From 73745c0889f313b32eac24e1ee674d463ca3ece8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 7 Sep 2023 05:38:24 +0200 Subject: [PATCH 001/142] created dynamic traits for vfs --- src/lib.rs | 1 + src/vfs/file.rs | 264 +++++++++++++++++++++++++++++++++ src/vfs/methods.rs | 358 +++++++++++++++++++++++++++++++++++++++++++++ src/vfs/mod.rs | 3 + src/vfs/traits.rs | 160 ++++++++++++++++++++ 5 files changed, 786 insertions(+) create mode 100644 src/vfs/file.rs create mode 100644 src/vfs/methods.rs create mode 100644 src/vfs/mod.rs create mode 100644 src/vfs/traits.rs diff --git a/src/lib.rs b/src/lib.rs index d1ce9ba..7bbf743 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -14,6 +14,7 @@ pub mod prelude; pub mod scalar; pub mod table; pub mod vtab_argparse; +pub mod vfs; #[doc(inline)] pub use errors::{Error, ErrorKind, Result}; diff --git a/src/vfs/file.rs b/src/vfs/file.rs new file mode 100644 index 0000000..c06a94f --- /dev/null +++ b/src/vfs/file.rs @@ -0,0 +1,264 @@ +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; +use std::os::raw::{c_int, c_char, c_void}; +use std::ptr; + +use super::traits::SqliteVfs; + + +pub fn define_vfs() where T: SqliteVfs { + pub unsafe extern "C" fn x_open( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + p_file: *mut sqlite3_file, + flags: c_int, + p_out_flags: *mut c_int, + ) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.open(z_name, p_file, flags, p_out_flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.delete(z_name, sync_dir) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.access(z_name, flags, p_res_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.full_pathname(z_name, n_out, z_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { + let mut b = Box::::from_raw(p_vfs.cast::()); + // TODO + // match b.dl_open(z_filename) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + ptr::null_mut() + } + + pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_error(n_byte, z_err_msg); + // match b.dl_error(n_byte, z_err_msg) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + } + + pub unsafe extern "C" fn x_dl_sym( + p_vfs: *mut sqlite3_vfs, + p_handle: *mut c_void, + z_symbol: *const c_char, + ) -> Option { + None + } + + pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { + let mut b = Box::::from_raw(p_vfs.cast::()); + // match b.dl_close(p_handle) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + } + + pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.randomness(n_byte, z_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.sleep(microseconds) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.current_time(p_time) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_get_last_error( + p_vfs: *mut sqlite3_vfs, + err_code: c_int, + z_err_msg: *mut c_char, + ) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.get_last_error(err_code, z_err_msg) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_current_time_int64( + p_vfs: *mut sqlite3_vfs, + p_time: *mut sqlite3_int64, + ) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.current_time_int64(p_time) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_set_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + p_call: sqlite3_syscall_ptr, + ) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.set_system_call(z_name, p_call) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_get_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + ) -> sqlite3_syscall_ptr { + let mut b = Box::::from_raw(p_vfs.cast::()); + // match b.get_system_call(z_name) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + None // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_next_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + ) -> *const c_char { + let mut b = Box::::from_raw(p_vfs.cast::()); + // match b.next_system_call(z_name) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + ptr::null() // TODO + } +} diff --git a/src/vfs/methods.rs b/src/vfs/methods.rs new file mode 100644 index 0000000..75d9da7 --- /dev/null +++ b/src/vfs/methods.rs @@ -0,0 +1,358 @@ +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; +use std::os::raw::{c_int, c_void}; + +use crate::vfs::traits::SqliteIoMethods; + +pub fn empty_sqlite3_io_methods() -> sqlite3_io_methods { + sqlite3_io_methods { + iVersion: 0, + xClose: None, + xRead: None, + xWrite: None, + xTruncate: None, + xSync: None, + xFileSize: None, + xLock: None, + xUnlock: None, + xCheckReservedLock: None, + xFileControl: None, + xSectorSize: None, + xDeviceCharacteristics: None, + xShmMap: None, + xShmLock: None, + xShmBarrier: None, + xShmUnmap: None, + xFetch: None, + xUnfetch: None, + } +} + + +pub fn define_io_methods() { + pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.close() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_read( + arg1: *mut sqlite3_file, + buf: *mut c_void, + iAmt: c_int, + iOfst: sqlite3_int64, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.read(buf, iAmt, iOfst) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_write( + arg1: *mut sqlite3_file, + buf: *const c_void, + iAmt: c_int, + iOfst: sqlite3_int64, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.write(buf, iAmt, iOfst) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_truncate( + arg1: *mut sqlite3_file, + size: sqlite3_int64, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.truncate(size) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_sync( + arg1: *mut sqlite3_file, // TODO convert + flags: c_int, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.sync(flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_file_size( + arg1: *mut sqlite3_file, + pSize: *mut sqlite3_int64, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.file_size(pSize) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + + pub unsafe extern "C" fn x_lock( + arg1: *mut sqlite3_file, + arg2: c_int, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.lock(arg2) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_unlock( + arg1: *mut sqlite3_file, + arg2: c_int, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.unlock(arg2) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_check_reserved_lock( + arg1: *mut sqlite3_file, + pResOut: *mut c_int, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.check_reserved_lock(pResOut) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_file_control( + arg1: *mut sqlite3_file, + op: c_int, + pArg: *mut c_void, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.file_control(op, pArg) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.sector_size() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.device_characteristics() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_shm_map( + arg1: *mut sqlite3_file, + iPg: c_int, + pgsz: c_int, + arg2: c_int, + arg3: *mut *mut c_void, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_map(iPg, pgsz, arg2, arg3) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_shm_lock( + arg1: *mut sqlite3_file, + offset: c_int, + n: c_int, + flags: c_int, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_lock(offset, n, flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_barrier() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + } + + pub unsafe extern "C" fn x_shm_unmap( + arg1: *mut sqlite3_file, + deleteFlag: c_int, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_unmap(deleteFlag) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_fetch( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + iAmt: c_int, + pp: *mut *mut c_void, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.fetch(iOfst, iAmt, pp) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } + + pub unsafe extern "C" fn x_unfetch( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + p: *mut c_void, + ) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.unfetch(iOfst, p) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here + } +} + + diff --git a/src/vfs/mod.rs b/src/vfs/mod.rs new file mode 100644 index 0000000..19b38e3 --- /dev/null +++ b/src/vfs/mod.rs @@ -0,0 +1,3 @@ +mod traits; +mod file; +mod methods; \ No newline at end of file diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs new file mode 100644 index 0000000..feac99b --- /dev/null +++ b/src/vfs/traits.rs @@ -0,0 +1,160 @@ +use std::os::raw::{c_int, c_void, c_char}; + +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; + +// TODO replace return types c_int with Result +pub trait SqliteIoMethods { + fn close(&mut self) -> Result<(), c_int>; + fn read( + &mut self, + buf: *mut c_void, + iAmt: c_int, + iOfst: sqlite3_int64, + ) -> Result<(), c_int>; + fn write( + &mut self, + buf: *const c_void, + iAmt: c_int, + iOfst: sqlite3_int64, + ) -> Result<(), c_int>; + fn truncate(&mut self, size: sqlite3_int64) -> Result<(), c_int>; + fn sync(&mut self, flags: c_int) -> Result<(), c_int>; + fn file_size(&mut self, pSize: *mut sqlite3_int64) -> Result<(), c_int>; + fn lock(&mut self, arg2: c_int) -> Result<(), c_int>; + fn unlock(&mut self, arg2: c_int) -> Result<(), c_int>; + fn check_reserved_lock( + &mut self, + pResOut: *mut c_int, + ) -> Result<(), c_int>; + fn file_control( + &mut self, + op: c_int, + pArg: *mut c_void, + ) -> Result<(), c_int>; + fn sector_size(&mut self) -> Result<(), c_int>; + fn device_characteristics(&mut self) -> Result<(), c_int>; + fn shm_map( + &mut self, + iPg: c_int, + pgsz: c_int, + arg2: c_int, + arg3: *mut *mut c_void, + ) -> Result<(), c_int>; + fn shm_lock( + &mut self, + offset: c_int, + n: c_int, + flags: c_int, + ) -> Result<(), c_int>; + fn shm_barrier(&mut self) -> Result<(), c_int>; + fn shm_unmap( + &mut self, + deleteFlag: c_int, + ) -> Result<(), c_int>; + fn fetch( + &mut self, + iOfst: sqlite3_int64, + iAmt: c_int, + pp: *mut *mut c_void, + ) -> Result<(), c_int>; + fn unfetch( + &mut self, + iOfst: sqlite3_int64, + p: *mut c_void, + ) -> Result<(), c_int>; +} + +pub trait SqliteVfs { + fn open( + &mut self, + z_name: *const c_char, + arg2: *mut sqlite3_file, + flags: c_int, + p_out_flags: *mut c_int, + ) -> Result<(), c_int>; + + fn delete( + &mut self, + z_name: *const c_char, + sync_dir: c_int, + ) -> Result<(), c_int>; + + fn access( + &mut self, + z_name: *const c_char, + flags: c_int, + p_res_out: *mut c_int, + ) -> Result<(), c_int>; + + fn full_pathname( + &mut self, + z_name: *const c_char, + n_out: c_int, + z_out: *mut c_char, + ) -> Result<(), c_int>; + + fn dl_open( + &mut self, + z_filename: *const c_char, + ) -> *mut c_void; + + fn dl_error( + &mut self, + n_byte: c_int, + z_err_msg: *mut c_char, + ); + + fn dl_sym( + &mut self, + arg2: *mut c_void, + z_symbol: *const c_char, + ) -> Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_vfs, + arg2: *mut c_void, + z_symbol: *const c_char, + ), + >; + + fn dl_close(&mut self, arg2: *mut c_void); + + fn randomness( + &mut self, + n_byte: c_int, + z_out: *mut c_char, + ) -> Result<(), c_int>; + + fn sleep( + &mut self, + microseconds: c_int, + ) -> Result<(), c_int>; + + fn current_time(&mut self, arg2: *mut f64) -> Result<(), c_int>; + + fn get_last_error( + &mut self, + arg2: c_int, + arg3: *mut c_char, + ) -> Result<(), c_int>; + + fn current_time_int64( + &mut self, + arg2: *mut sqlite3_int64, + ) -> Result<(), c_int>; + + fn set_system_call( + &mut self, + z_name: *const c_char, + arg2: sqlite3_syscall_ptr, + ) -> Result<(), c_int>; + + fn get_system_call( + &mut self, + z_name: *const c_char, + ) -> sqlite3_syscall_ptr; + + fn next_system_call( + &mut self, + z_name: *const c_char, + ) -> *const c_char; +} From 11abba7176a27e6748e24a696f2a46754e829d28 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 7 Sep 2023 16:08:19 +0200 Subject: [PATCH 002/142] fleshed out create_vfs --- src/vfs/file.rs | 523 +++++++++++++++++++++++++--------------------- src/vfs/traits.rs | 29 +-- 2 files changed, 303 insertions(+), 249 deletions(-) diff --git a/src/vfs/file.rs b/src/vfs/file.rs index c06a94f..a4b25a8 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,264 +1,315 @@ use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; +use std::ffi::CString; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; use super::traits::SqliteVfs; - -pub fn define_vfs() where T: SqliteVfs { - pub unsafe extern "C" fn x_open( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, - p_file: *mut sqlite3_file, - flags: c_int, - p_out_flags: *mut c_int, - ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.open(z_name, p_file, flags, p_out_flags) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } +pub unsafe extern "C" fn x_open( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + p_file: *mut sqlite3_file, + flags: c_int, + p_out_flags: *mut c_int, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.open(z_name, p_file, flags, p_out_flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.delete(z_name, sync_dir) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.delete(z_name, sync_dir) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.access(z_name, flags, p_res_out) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.access(z_name, flags, p_res_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.full_pathname(z_name, n_out, z_out) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.full_pathname(z_name, n_out, z_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here - } - - pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { - let mut b = Box::::from_raw(p_vfs.cast::()); - // TODO - // match b.dl_open(z_filename) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - ptr::null_mut() - } - - pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { - let mut b = Box::::from_raw(p_vfs.cast::()); - b.dl_error(n_byte, z_err_msg); - // match b.dl_error(n_byte, z_err_msg) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - } - - pub unsafe extern "C" fn x_dl_sym( - p_vfs: *mut sqlite3_vfs, - p_handle: *mut c_void, - z_symbol: *const c_char, - ) -> Option { - None - } - - pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { - let mut b = Box::::from_raw(p_vfs.cast::()); - // match b.dl_close(p_handle) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close } - - pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.randomness(n_byte, z_out) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { + let mut b = Box::::from_raw(p_vfs.cast::()); + let out = b.dl_open(z_filename); + // TODO + // match b.dl_open(z_filename) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + out +} + +pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_error(n_byte, z_err_msg); + // match b.dl_error(n_byte, z_err_msg) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close +} + +pub unsafe extern "C" fn x_dl_sym( + p_vfs: *mut sqlite3_vfs, + p_handle: *mut c_void, + z_symbol: *const c_char, +) -> Option { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_sym(p_handle, z_symbol); + // match b.dl_error(n_byte, z_err_msg) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + None +} + +pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_close(p_handle); + // match b.dl_close(p_handle) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close +} + +pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.randomness(n_byte, z_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.sleep(microseconds) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.sleep(microseconds) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.current_time(p_time) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.current_time(p_time) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_get_last_error( - p_vfs: *mut sqlite3_vfs, - err_code: c_int, - z_err_msg: *mut c_char, - ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.get_last_error(err_code, z_err_msg) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_get_last_error( + p_vfs: *mut sqlite3_vfs, + err_code: c_int, + z_err_msg: *mut c_char, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.get_last_error(err_code, z_err_msg) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_current_time_int64( - p_vfs: *mut sqlite3_vfs, - p_time: *mut sqlite3_int64, - ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.current_time_int64(p_time) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_current_time_int64( + p_vfs: *mut sqlite3_vfs, + p_time: *mut sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.current_time_int64(p_time) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_set_system_call( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, - p_call: sqlite3_syscall_ptr, - ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.set_system_call(z_name, p_call) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_set_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + p_call: sqlite3_syscall_ptr, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.set_system_call(z_name, p_call) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_get_system_call( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, - ) -> sqlite3_syscall_ptr { - let mut b = Box::::from_raw(p_vfs.cast::()); - // match b.get_system_call(z_name) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - None // TODO figure out what to do here - } - - pub unsafe extern "C" fn x_next_system_call( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, - ) -> *const c_char { - let mut b = Box::::from_raw(p_vfs.cast::()); - // match b.next_system_call(z_name) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - ptr::null() // TODO + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_get_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, +) -> sqlite3_syscall_ptr { + let mut b = Box::::from_raw(p_vfs.cast::()); + let out = b.get_system_call(z_name); + // match b.get_system_call(z_name) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + // None // TODO figure out what to do here + out +} + +pub unsafe extern "C" fn x_next_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, +) -> *const c_char { + let mut b = Box::::from_raw(p_vfs.cast::()); + // match b.next_system_call(z_name) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // TODO drop in close + ptr::null() // TODO +} + +/// Increment vfs_version for production purposes +unsafe fn create_vfs(vfs: T, name: &str, max_path_name_size: i32, vfs_version: c_int) -> sqlite3_vfs { + let vfs_ptr = Box::into_raw(Box::::new(vfs)); + let size_ptr = std::mem::size_of::<*mut T>(); + let vfs_name = CString::new(name) + .expect("should be a C string").as_ptr().to_owned(); + + sqlite3_vfs { + iVersion: vfs_version, + pAppData: vfs_ptr.cast(), + szOsFile: size_ptr as i32, + mxPathname: max_path_name_size, + pNext: ptr::null_mut(), // sqlite3 will change this + zName: vfs_name, + + // TODO some are optional, break down to multiple traits? + // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow + xOpen: Some(x_open::), + xDelete: Some(x_delete::), + xAccess: Some(x_access::), + xFullPathname: Some(x_full_pathname::), + xDlOpen: Some(x_dl_open::), + xDlError: Some(x_dl_error::), + xDlSym: Some(x_dl_sym::), + xDlClose: Some(x_dl_close::), + xRandomness: Some(x_randomness::), + xSleep: Some(x_sleep::), + xCurrentTime: Some(x_current_time::), + xGetLastError: Some(x_get_last_error::), + xCurrentTimeInt64: Some(x_current_time_int64::), + xSetSystemCall: Some(x_set_system_call::), + xGetSystemCall: Some(x_get_system_call::), + xNextSystemCall: Some(x_next_system_call::), } } + diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index feac99b..89e76e8 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -2,40 +2,42 @@ use std::os::raw::{c_int, c_void, c_char}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; -// TODO replace return types c_int with Result +// TODO pass i_version to actual C struct +// TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) +/// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement pub trait SqliteIoMethods { fn close(&mut self) -> Result<(), c_int>; fn read( &mut self, buf: *mut c_void, - iAmt: c_int, - iOfst: sqlite3_int64, + i_amt: c_int, + i_ofst: sqlite3_int64, ) -> Result<(), c_int>; fn write( &mut self, buf: *const c_void, - iAmt: c_int, - iOfst: sqlite3_int64, + i_amt: c_int, + i_ofst: sqlite3_int64, ) -> Result<(), c_int>; fn truncate(&mut self, size: sqlite3_int64) -> Result<(), c_int>; fn sync(&mut self, flags: c_int) -> Result<(), c_int>; - fn file_size(&mut self, pSize: *mut sqlite3_int64) -> Result<(), c_int>; + fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<(), c_int>; fn lock(&mut self, arg2: c_int) -> Result<(), c_int>; fn unlock(&mut self, arg2: c_int) -> Result<(), c_int>; fn check_reserved_lock( &mut self, - pResOut: *mut c_int, + p_res_out: *mut c_int, ) -> Result<(), c_int>; fn file_control( &mut self, op: c_int, - pArg: *mut c_void, + p_arg: *mut c_void, ) -> Result<(), c_int>; fn sector_size(&mut self) -> Result<(), c_int>; fn device_characteristics(&mut self) -> Result<(), c_int>; fn shm_map( &mut self, - iPg: c_int, + i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void, @@ -49,21 +51,22 @@ pub trait SqliteIoMethods { fn shm_barrier(&mut self) -> Result<(), c_int>; fn shm_unmap( &mut self, - deleteFlag: c_int, + delete_flag: c_int, ) -> Result<(), c_int>; fn fetch( &mut self, - iOfst: sqlite3_int64, - iAmt: c_int, + i_ofst: sqlite3_int64, + i_amt: c_int, pp: *mut *mut c_void, ) -> Result<(), c_int>; fn unfetch( &mut self, - iOfst: sqlite3_int64, + i_ofst: sqlite3_int64, p: *mut c_void, ) -> Result<(), c_int>; } +// TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) pub trait SqliteVfs { fn open( &mut self, From 103277dcf9d6419703dc7c59193765f5f630d450 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 7 Sep 2023 16:45:06 +0200 Subject: [PATCH 003/142] fleshed out create_io_methods --- src/vfs/file.rs | 9 +- src/vfs/methods.rs | 631 +++++++++++++++++++++++---------------------- 2 files changed, 325 insertions(+), 315 deletions(-) diff --git a/src/vfs/file.rs b/src/vfs/file.rs index a4b25a8..df53292 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,3 +1,6 @@ +#![ allow(non_snake_case)] +#![ allow(unused)] + use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; use std::ffi::CString; use std::os::raw::{c_int, c_char, c_void}; @@ -278,18 +281,18 @@ pub unsafe extern "C" fn x_next_system_call( } /// Increment vfs_version for production purposes -unsafe fn create_vfs(vfs: T, name: &str, max_path_name_size: i32, vfs_version: c_int) -> sqlite3_vfs { +unsafe fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { let vfs_ptr = Box::into_raw(Box::::new(vfs)); let size_ptr = std::mem::size_of::<*mut T>(); let vfs_name = CString::new(name) .expect("should be a C string").as_ptr().to_owned(); sqlite3_vfs { - iVersion: vfs_version, + iVersion: 3, // this library targets version 3? + pNext: ptr::null_mut(), // sqlite3 will change this pAppData: vfs_ptr.cast(), szOsFile: size_ptr as i32, mxPathname: max_path_name_size, - pNext: ptr::null_mut(), // sqlite3 will change this zName: vfs_name, // TODO some are optional, break down to multiple traits? diff --git a/src/vfs/methods.rs b/src/vfs/methods.rs index 75d9da7..4bdd8bc 100644 --- a/src/vfs/methods.rs +++ b/src/vfs/methods.rs @@ -1,358 +1,365 @@ +#![ allow(non_snake_case)] +#![ allow(unused)] + use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; use std::os::raw::{c_int, c_void}; use crate::vfs::traits::SqliteIoMethods; -pub fn empty_sqlite3_io_methods() -> sqlite3_io_methods { - sqlite3_io_methods { - iVersion: 0, - xClose: None, - xRead: None, - xWrite: None, - xTruncate: None, - xSync: None, - xFileSize: None, - xLock: None, - xUnlock: None, - xCheckReservedLock: None, - xFileControl: None, - xSectorSize: None, - xDeviceCharacteristics: None, - xShmMap: None, - xShmLock: None, - xShmBarrier: None, - xShmUnmap: None, - xFetch: None, - xUnfetch: None, +pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.close() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here } - -pub fn define_io_methods() { - pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.close() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } +pub unsafe extern "C" fn x_read( + arg1: *mut sqlite3_file, + buf: *mut c_void, + iAmt: c_int, + iOfst: sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.read(buf, iAmt, iOfst) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_read( - arg1: *mut sqlite3_file, - buf: *mut c_void, - iAmt: c_int, - iOfst: sqlite3_int64, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.read(buf, iAmt, iOfst) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_write( + arg1: *mut sqlite3_file, + buf: *const c_void, + iAmt: c_int, + iOfst: sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.write(buf, iAmt, iOfst) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_write( - arg1: *mut sqlite3_file, - buf: *const c_void, - iAmt: c_int, - iOfst: sqlite3_int64, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.write(buf, iAmt, iOfst) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_truncate( + arg1: *mut sqlite3_file, + size: sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.truncate(size) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_truncate( - arg1: *mut sqlite3_file, - size: sqlite3_int64, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.truncate(size) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_sync( + arg1: *mut sqlite3_file, // TODO convert + flags: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.sync(flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_sync( - arg1: *mut sqlite3_file, // TODO convert - flags: c_int, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.sync(flags) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_file_size( + arg1: *mut sqlite3_file, + pSize: *mut sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.file_size(pSize) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_file_size( - arg1: *mut sqlite3_file, - pSize: *mut sqlite3_int64, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.file_size(pSize) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + + +pub unsafe extern "C" fn x_lock( + arg1: *mut sqlite3_file, + arg2: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.lock(arg2) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - - pub unsafe extern "C" fn x_lock( - arg1: *mut sqlite3_file, - arg2: c_int, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.lock(arg2) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_unlock( + arg1: *mut sqlite3_file, + arg2: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.unlock(arg2) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_unlock( - arg1: *mut sqlite3_file, - arg2: c_int, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.unlock(arg2) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_check_reserved_lock( + arg1: *mut sqlite3_file, + pResOut: *mut c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.check_reserved_lock(pResOut) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_check_reserved_lock( - arg1: *mut sqlite3_file, - pResOut: *mut c_int, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.check_reserved_lock(pResOut) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_file_control( + arg1: *mut sqlite3_file, + op: c_int, + pArg: *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.file_control(op, pArg) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_file_control( - arg1: *mut sqlite3_file, - op: c_int, - pArg: *mut c_void, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.file_control(op, pArg) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.sector_size() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.sector_size() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.device_characteristics() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.device_characteristics() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_shm_map( + arg1: *mut sqlite3_file, + iPg: c_int, + pgsz: c_int, + arg2: c_int, + arg3: *mut *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_map(iPg, pgsz, arg2, arg3) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_shm_map( - arg1: *mut sqlite3_file, - iPg: c_int, - pgsz: c_int, - arg2: c_int, - arg3: *mut *mut c_void, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_map(iPg, pgsz, arg2, arg3) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_shm_lock( + arg1: *mut sqlite3_file, + offset: c_int, + n: c_int, + flags: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_lock(offset, n, flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_shm_lock( - arg1: *mut sqlite3_file, - offset: c_int, - n: c_int, - flags: c_int, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_lock(offset, n, flags) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_barrier() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_barrier() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close +} + +pub unsafe extern "C" fn x_shm_unmap( + arg1: *mut sqlite3_file, + deleteFlag: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_unmap(deleteFlag) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close } - - pub unsafe extern "C" fn x_shm_unmap( - arg1: *mut sqlite3_file, - deleteFlag: c_int, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_unmap(deleteFlag) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_fetch( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + iAmt: c_int, + pp: *mut *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.fetch(iOfst, iAmt, pp) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_fetch( - arg1: *mut sqlite3_file, - iOfst: sqlite3_int64, - iAmt: c_int, - pp: *mut *mut c_void, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.fetch(iOfst, iAmt, pp) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_unfetch( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + p: *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.unfetch(iOfst, p) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here } - - pub unsafe extern "C" fn x_unfetch( - arg1: *mut sqlite3_file, - iOfst: sqlite3_int64, - p: *mut c_void, - ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.unfetch(iOfst, p) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here + Box::into_raw(b); // TODO drop in close + 0 // TODO figure out what to do here +} + +pub unsafe fn create_io_methods() -> sqlite3_io_methods { + sqlite3_io_methods { + iVersion: 3, // this library targets version 3? + xClose: Some(x_close::), + xRead: Some(x_read::), + xWrite: Some(x_write::), + xTruncate: Some(x_truncate::), + xSync: Some(x_sync::), + xFileSize: Some(x_file_size::), + xLock: Some(x_lock::), + xUnlock: Some(x_unlock::), + xCheckReservedLock: Some(x_check_reserved_lock::), + xFileControl: Some(x_file_control::), + xSectorSize: Some(x_sector_size::), + xDeviceCharacteristics: Some(x_device_characteristics::), + xShmMap: Some(x_shm_map::), + xShmLock: Some(x_shm_lock::), + xShmBarrier: Some(x_shm_barrier::), + xShmUnmap: Some(x_shm_unmap::), + xFetch: Some(x_fetch::), + xUnfetch: Some(x_unfetch::), } } + + + + + + + From f4940de910b3eef4d8b2c520e3898e9d117f4df5 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 7 Sep 2023 19:49:02 +0200 Subject: [PATCH 004/142] start building Mem Vfs example --- Cargo.toml | 4 + examples/mem_vfs.rs | 174 ++++++++++++++++++ src/errors.rs | 3 + src/lib.rs | 6 + src/vfs/file.rs | 423 +++++++++++++++++++++++++------------------- src/vfs/methods.rs | 365 -------------------------------------- src/vfs/mod.rs | 6 +- src/vfs/traits.rs | 63 +++---- src/vfs/vfs.rs | 331 ++++++++++++++++++++++++++++++++++ 9 files changed, 793 insertions(+), 582 deletions(-) create mode 100644 examples/mem_vfs.rs delete mode 100644 src/vfs/methods.rs create mode 100644 src/vfs/vfs.rs diff --git a/Cargo.toml b/Cargo.toml index 5cc1cdf..0b47b2c 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -42,3 +42,7 @@ crate-type = ["cdylib"] [[example]] name = "load_permanent" crate-type = ["cdylib"] + +[[example]] +name = "mem_vfs" +crate-type = ["cdylib"] \ No newline at end of file diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs new file mode 100644 index 0000000..4a3ace2 --- /dev/null +++ b/examples/mem_vfs.rs @@ -0,0 +1,174 @@ +//! cargo build --example mem_vfs +//! sqlite3 :memory: '.read examples/test.sql' +#![allow(unused)] + +/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c + +use sqlite_loadable::{prelude::*, SqliteIoMethods, declare_file, declare_vfs}; +use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; + +use std::os::raw::{c_int, c_void, c_char}; +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods}; + +struct MemVfs; + +impl SqliteVfs for MemVfs { + fn open(&mut self, z_name: *const c_char, flags: c_int) -> Result<()> { + Ok(()) + } + + fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()> { + Ok(()) + } + + fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + Ok(()) + } + + fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { + Ok(()) + } + + fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { + std::ptr::null_mut() + } + + fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char) { + } + + fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) -> Option { + None + } + + fn dl_close(&mut self, arg2: *mut c_void) { + } + + fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> Result<()> { + Ok(()) + } + + fn sleep(&mut self, microseconds: c_int) -> Result<()> { + Ok(()) + } + + fn current_time(&mut self, arg2: *mut f64) -> Result<()> { + Ok(()) + } + + fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()> { + Ok(()) + } + + fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> Result<()> { + Ok(()) + } + + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> Result<()> { + Ok(()) + } + + fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { + unsafe extern "C" + fn meh() {} + + Some(meh) + } + + fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { + std::ptr::null() + } + + fn init (&self) -> (sqlite3_file, Option) { + (declare_file::(), None) + } +} + +struct MemIoMethods; + +impl SqliteIoMethods for MemIoMethods { + fn close(&mut self) -> Result<()> { + Ok(()) + } + + fn read(&mut self, buf: *mut c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { + Ok(()) + } + + fn write(&mut self, buf: *const c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { + Ok(()) + } + + fn truncate(&mut self, size: sqlite3_int64) -> Result<()> { + Ok(()) + } + + fn sync(&mut self, flags: c_int) -> Result<()> { + Ok(()) + } + + fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + Ok(()) + } + + fn lock(&mut self, arg2: c_int) -> Result<()> { + Ok(()) + } + + fn unlock(&mut self, arg2: c_int) -> Result<()> { + Ok(()) + } + + fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + Ok(()) + } + + fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { + Ok(()) + } + + fn sector_size(&mut self) -> Result<()> { + Ok(()) + } + + fn device_characteristics(&mut self) -> Result<()> { + Ok(()) + } + + fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + Ok(()) + } + + fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + Ok(()) + } + + fn shm_barrier(&mut self) -> Result<()> { + Ok(()) + } + + fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { + Ok(()) + } + + fn fetch(&mut self, i_ofst: sqlite3_int64, i_amt: c_int, pp: *mut *mut c_void) -> Result<()> { + Ok(()) + } + + fn unfetch(&mut self, i_ofst: sqlite3_int64, p: *mut c_void) -> Result<()> { + Ok(()) + } +} + + +#[sqlite_entrypoint_permanent] +pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { + // Why is this necessary in the original example? + // mem_vfs.pAppData = sqlite3_vfs_find(0); + + let vfs: sqlite3_vfs = declare_vfs::(MemVfs {}, "memvfs", 1024); + let vfs_ptr = Box::into_raw(Box::new(vfs)); + + unsafe { sqlite3_vfs_register(vfs_ptr, 1); } // TODO wrap, to use pretty syntax: api::register_vfs(vfs_ptr, true)?; + + Ok(()) +} \ No newline at end of file diff --git a/src/errors.rs b/src/errors.rs index 31135a3..108c81a 100644 --- a/src/errors.rs +++ b/src/errors.rs @@ -40,6 +40,7 @@ impl Error { } pub fn result_error_message(self) -> String { match *self.0 { + ErrorKind::DefineVfs(_) => "Error defining VFS".to_owned(), // TODO test ErrorKind::DefineScalarFunction(_) => "Error defining scalar function".to_owned(), ErrorKind::CStringError(e) => format!("String Nul error: {}", e), ErrorKind::CStringUtf8Error(_) => "utf8 err".to_owned(), @@ -52,6 +53,7 @@ impl Error { /// The specific type of an error. #[derive(Debug, PartialEq, Eq)] pub enum ErrorKind { + DefineVfs(c_int), DefineScalarFunction(c_int), CStringError(NulError), CStringUtf8Error(std::str::Utf8Error), @@ -88,6 +90,7 @@ impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match *self.0 { ErrorKind::DefineScalarFunction(ref err) => err.fmt(f), + ErrorKind::DefineVfs(i) => f.write_fmt(format_args!("Define vfs error: {}", i)), // TODO test _ => unreachable!(), } } diff --git a/src/lib.rs b/src/lib.rs index 7bbf743..17114a2 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -30,3 +30,9 @@ pub use table::{ define_table_function, define_virtual_table, define_virtual_table_writeable, define_virtual_table_writeablex, BestIndexError, }; + +#[doc(inline)] +pub use vfs::vfs::declare_vfs; +pub use vfs::file::declare_file; +pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; + diff --git a/src/vfs/file.rs b/src/vfs/file.rs index df53292..0b4db9e 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,22 +1,34 @@ #![ allow(non_snake_case)] #![ allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; -use std::ffi::CString; -use std::os::raw::{c_int, c_char, c_void}; -use std::ptr; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; +use std::os::raw::{c_int, c_void}; -use super::traits::SqliteVfs; +use crate::vfs::traits::SqliteIoMethods; -pub unsafe extern "C" fn x_open( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, - p_file: *mut sqlite3_file, - flags: c_int, - p_out_flags: *mut c_int, +/// Let Box go out of scope, thus drop // TODO valgrind +pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.close() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_read( + arg1: *mut sqlite3_file, + buf: *mut c_void, + iAmt: c_int, + iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.open(z_name, p_file, flags, p_out_flags) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.read(buf, iAmt, iOfst) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -25,13 +37,18 @@ pub unsafe extern "C" fn x_open( // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.delete(z_name, sync_dir) { +pub unsafe extern "C" fn x_write( + arg1: *mut sqlite3_file, + buf: *const c_void, + iAmt: c_int, + iOfst: sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.write(buf, iAmt, iOfst) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -40,13 +57,16 @@ pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.access(z_name, flags, p_res_out) { +pub unsafe extern "C" fn x_truncate( + arg1: *mut sqlite3_file, + size: sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.truncate(size) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -55,13 +75,16 @@ pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.full_pathname(z_name, n_out, z_out) { +pub unsafe extern "C" fn x_sync( + arg1: *mut sqlite3_file, // TODO convert + flags: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.sync(flags) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -70,80 +93,90 @@ pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { - let mut b = Box::::from_raw(p_vfs.cast::()); - let out = b.dl_open(z_filename); - // TODO - // match b.dl_open(z_filename) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - out +pub unsafe extern "C" fn x_file_size( + arg1: *mut sqlite3_file, + pSize: *mut sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.file_size(pSize) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { - let mut b = Box::::from_raw(p_vfs.cast::()); - b.dl_error(n_byte, z_err_msg); - // match b.dl_error(n_byte, z_err_msg) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close + +pub unsafe extern "C" fn x_lock( + arg1: *mut sqlite3_file, + arg2: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.lock(arg2) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_dl_sym( - p_vfs: *mut sqlite3_vfs, - p_handle: *mut c_void, - z_symbol: *const c_char, -) -> Option { - let mut b = Box::::from_raw(p_vfs.cast::()); - b.dl_sym(p_handle, z_symbol); - // match b.dl_error(n_byte, z_err_msg) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - None +pub unsafe extern "C" fn x_unlock( + arg1: *mut sqlite3_file, + arg2: c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.unlock(arg2) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { - let mut b = Box::::from_raw(p_vfs.cast::()); - b.dl_close(p_handle); - // match b.dl_close(p_handle) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close +pub unsafe extern "C" fn x_check_reserved_lock( + arg1: *mut sqlite3_file, + pResOut: *mut c_int, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.check_reserved_lock(pResOut) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.randomness(n_byte, z_out) { +pub unsafe extern "C" fn x_file_control( + arg1: *mut sqlite3_file, + op: c_int, + pArg: *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.file_control(op, pArg) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -152,13 +185,13 @@ pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_b // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.sleep(microseconds) { +pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.sector_size() { Ok(()) => (), Err(e) => { // TODO define error handling @@ -167,13 +200,13 @@ pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microsec // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.current_time(p_time) { +pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.device_characteristics() { Ok(()) => (), Err(e) => { // TODO define error handling @@ -182,17 +215,19 @@ pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_get_last_error( - p_vfs: *mut sqlite3_vfs, - err_code: c_int, - z_err_msg: *mut c_char, +pub unsafe extern "C" fn x_shm_map( + arg1: *mut sqlite3_file, + iPg: c_int, + pgsz: c_int, + arg2: c_int, + arg3: *mut *mut c_void, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.get_last_error(err_code, z_err_msg) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_map(iPg, pgsz, arg2, arg3) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -201,16 +236,18 @@ pub unsafe extern "C" fn x_get_last_error( // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_current_time_int64( - p_vfs: *mut sqlite3_vfs, - p_time: *mut sqlite3_int64, +pub unsafe extern "C" fn x_shm_lock( + arg1: *mut sqlite3_file, + offset: c_int, + n: c_int, + flags: c_int, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.current_time_int64(p_time) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_lock(offset, n, flags) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -219,17 +256,30 @@ pub unsafe extern "C" fn x_current_time_int64( // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_set_system_call( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, - p_call: sqlite3_syscall_ptr, +pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_barrier() { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close +} + +pub unsafe extern "C" fn x_shm_unmap( + arg1: *mut sqlite3_file, + deleteFlag: c_int, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.set_system_call(z_name, p_call) { + let mut b = Box::::from_raw(arg1.cast::()); + match b.shm_unmap(deleteFlag) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -238,81 +288,88 @@ pub unsafe extern "C" fn x_set_system_call( // } } } - Box::into_raw(b); // TODO drop in close + Box::into_raw(b); // Drop in close 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_get_system_call( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, -) -> sqlite3_syscall_ptr { - let mut b = Box::::from_raw(p_vfs.cast::()); - let out = b.get_system_call(z_name); - // match b.get_system_call(z_name) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - // None // TODO figure out what to do here - out +pub unsafe extern "C" fn x_fetch( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + iAmt: c_int, + pp: *mut *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.fetch(iOfst, iAmt, pp) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here } -pub unsafe extern "C" fn x_next_system_call( - p_vfs: *mut sqlite3_vfs, - z_name: *const c_char, -) -> *const c_char { - let mut b = Box::::from_raw(p_vfs.cast::()); - // match b.next_system_call(z_name) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } - Box::into_raw(b); // TODO drop in close - ptr::null() // TODO +pub unsafe extern "C" fn x_unfetch( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + p: *mut c_void, +) -> c_int { + let mut b = Box::::from_raw(arg1.cast::()); + match b.unfetch(iOfst, p) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here } -/// Increment vfs_version for production purposes -unsafe fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { - let vfs_ptr = Box::into_raw(Box::::new(vfs)); - let size_ptr = std::mem::size_of::<*mut T>(); - let vfs_name = CString::new(name) - .expect("should be a C string").as_ptr().to_owned(); - - sqlite3_vfs { +unsafe fn create_io_methods() -> sqlite3_io_methods { + sqlite3_io_methods { iVersion: 3, // this library targets version 3? - pNext: ptr::null_mut(), // sqlite3 will change this - pAppData: vfs_ptr.cast(), - szOsFile: size_ptr as i32, - mxPathname: max_path_name_size, - zName: vfs_name, - - // TODO some are optional, break down to multiple traits? - // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow - xOpen: Some(x_open::), - xDelete: Some(x_delete::), - xAccess: Some(x_access::), - xFullPathname: Some(x_full_pathname::), - xDlOpen: Some(x_dl_open::), - xDlError: Some(x_dl_error::), - xDlSym: Some(x_dl_sym::), - xDlClose: Some(x_dl_close::), - xRandomness: Some(x_randomness::), - xSleep: Some(x_sleep::), - xCurrentTime: Some(x_current_time::), - xGetLastError: Some(x_get_last_error::), - xCurrentTimeInt64: Some(x_current_time_int64::), - xSetSystemCall: Some(x_set_system_call::), - xGetSystemCall: Some(x_get_system_call::), - xNextSystemCall: Some(x_next_system_call::), + xClose: Some(x_close::), + xRead: Some(x_read::), + xWrite: Some(x_write::), + xTruncate: Some(x_truncate::), + xSync: Some(x_sync::), + xFileSize: Some(x_file_size::), + xLock: Some(x_lock::), + xUnlock: Some(x_unlock::), + xCheckReservedLock: Some(x_check_reserved_lock::), + xFileControl: Some(x_file_control::), + xSectorSize: Some(x_sector_size::), + xDeviceCharacteristics: Some(x_device_characteristics::), + xShmMap: Some(x_shm_map::), + xShmLock: Some(x_shm_lock::), + xShmBarrier: Some(x_shm_barrier::), + xShmUnmap: Some(x_shm_unmap::), + xFetch: Some(x_fetch::), + xUnfetch: Some(x_unfetch::), } } +pub fn declare_file() -> sqlite3_file { + unsafe { + let methods = create_io_methods::(); + let methods_ptr = Box::into_raw(Box::new(methods)); + sqlite3_file { + pMethods: methods_ptr, + } + } +} + + + + + + + + + diff --git a/src/vfs/methods.rs b/src/vfs/methods.rs deleted file mode 100644 index 4bdd8bc..0000000 --- a/src/vfs/methods.rs +++ /dev/null @@ -1,365 +0,0 @@ -#![ allow(non_snake_case)] -#![ allow(unused)] - -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; -use std::os::raw::{c_int, c_void}; - -use crate::vfs::traits::SqliteIoMethods; - -pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.close() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_read( - arg1: *mut sqlite3_file, - buf: *mut c_void, - iAmt: c_int, - iOfst: sqlite3_int64, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.read(buf, iAmt, iOfst) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_write( - arg1: *mut sqlite3_file, - buf: *const c_void, - iAmt: c_int, - iOfst: sqlite3_int64, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.write(buf, iAmt, iOfst) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_truncate( - arg1: *mut sqlite3_file, - size: sqlite3_int64, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.truncate(size) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_sync( - arg1: *mut sqlite3_file, // TODO convert - flags: c_int, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.sync(flags) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_file_size( - arg1: *mut sqlite3_file, - pSize: *mut sqlite3_int64, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.file_size(pSize) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - - -pub unsafe extern "C" fn x_lock( - arg1: *mut sqlite3_file, - arg2: c_int, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.lock(arg2) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_unlock( - arg1: *mut sqlite3_file, - arg2: c_int, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.unlock(arg2) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_check_reserved_lock( - arg1: *mut sqlite3_file, - pResOut: *mut c_int, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.check_reserved_lock(pResOut) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_file_control( - arg1: *mut sqlite3_file, - op: c_int, - pArg: *mut c_void, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.file_control(op, pArg) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.sector_size() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.device_characteristics() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_shm_map( - arg1: *mut sqlite3_file, - iPg: c_int, - pgsz: c_int, - arg2: c_int, - arg3: *mut *mut c_void, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_map(iPg, pgsz, arg2, arg3) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_shm_lock( - arg1: *mut sqlite3_file, - offset: c_int, - n: c_int, - flags: c_int, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_lock(offset, n, flags) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_barrier() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close -} - -pub unsafe extern "C" fn x_shm_unmap( - arg1: *mut sqlite3_file, - deleteFlag: c_int, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_unmap(deleteFlag) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_fetch( - arg1: *mut sqlite3_file, - iOfst: sqlite3_int64, - iAmt: c_int, - pp: *mut *mut c_void, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.fetch(iOfst, iAmt, pp) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe extern "C" fn x_unfetch( - arg1: *mut sqlite3_file, - iOfst: sqlite3_int64, - p: *mut c_void, -) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.unfetch(iOfst, p) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } - Box::into_raw(b); // TODO drop in close - 0 // TODO figure out what to do here -} - -pub unsafe fn create_io_methods() -> sqlite3_io_methods { - sqlite3_io_methods { - iVersion: 3, // this library targets version 3? - xClose: Some(x_close::), - xRead: Some(x_read::), - xWrite: Some(x_write::), - xTruncate: Some(x_truncate::), - xSync: Some(x_sync::), - xFileSize: Some(x_file_size::), - xLock: Some(x_lock::), - xUnlock: Some(x_unlock::), - xCheckReservedLock: Some(x_check_reserved_lock::), - xFileControl: Some(x_file_control::), - xSectorSize: Some(x_sector_size::), - xDeviceCharacteristics: Some(x_device_characteristics::), - xShmMap: Some(x_shm_map::), - xShmLock: Some(x_shm_lock::), - xShmBarrier: Some(x_shm_barrier::), - xShmUnmap: Some(x_shm_unmap::), - xFetch: Some(x_fetch::), - xUnfetch: Some(x_unfetch::), - } -} - - - - - - - - - diff --git a/src/vfs/mod.rs b/src/vfs/mod.rs index 19b38e3..b418ca3 100644 --- a/src/vfs/mod.rs +++ b/src/vfs/mod.rs @@ -1,3 +1,3 @@ -mod traits; -mod file; -mod methods; \ No newline at end of file +pub mod traits; +pub mod vfs; +pub mod file; \ No newline at end of file diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 89e76e8..8f2f809 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -1,100 +1,101 @@ +use crate::errors::Result; + use std::os::raw::{c_int, c_void, c_char}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; -// TODO pass i_version to actual C struct // TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement pub trait SqliteIoMethods { - fn close(&mut self) -> Result<(), c_int>; + fn close(&mut self) -> Result<()>; fn read( &mut self, buf: *mut c_void, i_amt: c_int, i_ofst: sqlite3_int64, - ) -> Result<(), c_int>; + ) -> Result<()>; fn write( &mut self, buf: *const c_void, i_amt: c_int, i_ofst: sqlite3_int64, - ) -> Result<(), c_int>; - fn truncate(&mut self, size: sqlite3_int64) -> Result<(), c_int>; - fn sync(&mut self, flags: c_int) -> Result<(), c_int>; - fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<(), c_int>; - fn lock(&mut self, arg2: c_int) -> Result<(), c_int>; - fn unlock(&mut self, arg2: c_int) -> Result<(), c_int>; + ) -> Result<()>; + fn truncate(&mut self, size: sqlite3_int64) -> Result<()>; + fn sync(&mut self, flags: c_int) -> Result<()>; + fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()>; + fn lock(&mut self, arg2: c_int) -> Result<()>; + fn unlock(&mut self, arg2: c_int) -> Result<()>; fn check_reserved_lock( &mut self, p_res_out: *mut c_int, - ) -> Result<(), c_int>; + ) -> Result<()>; fn file_control( &mut self, op: c_int, p_arg: *mut c_void, - ) -> Result<(), c_int>; - fn sector_size(&mut self) -> Result<(), c_int>; - fn device_characteristics(&mut self) -> Result<(), c_int>; + ) -> Result<()>; + fn sector_size(&mut self) -> Result<()>; + fn device_characteristics(&mut self) -> Result<()>; fn shm_map( &mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void, - ) -> Result<(), c_int>; + ) -> Result<()>; fn shm_lock( &mut self, offset: c_int, n: c_int, flags: c_int, - ) -> Result<(), c_int>; - fn shm_barrier(&mut self) -> Result<(), c_int>; + ) -> Result<()>; + fn shm_barrier(&mut self) -> Result<()>; fn shm_unmap( &mut self, delete_flag: c_int, - ) -> Result<(), c_int>; + ) -> Result<()>; fn fetch( &mut self, i_ofst: sqlite3_int64, i_amt: c_int, pp: *mut *mut c_void, - ) -> Result<(), c_int>; + ) -> Result<()>; fn unfetch( &mut self, i_ofst: sqlite3_int64, p: *mut c_void, - ) -> Result<(), c_int>; + ) -> Result<()>; } // TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) pub trait SqliteVfs { + fn init (&self) -> (sqlite3_file, Option); + fn open( &mut self, z_name: *const c_char, - arg2: *mut sqlite3_file, flags: c_int, - p_out_flags: *mut c_int, - ) -> Result<(), c_int>; + ) -> Result<()>; fn delete( &mut self, z_name: *const c_char, sync_dir: c_int, - ) -> Result<(), c_int>; + ) -> Result<()>; fn access( &mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int, - ) -> Result<(), c_int>; + ) -> Result<()>; fn full_pathname( &mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char, - ) -> Result<(), c_int>; + ) -> Result<()>; fn dl_open( &mut self, @@ -125,31 +126,31 @@ pub trait SqliteVfs { &mut self, n_byte: c_int, z_out: *mut c_char, - ) -> Result<(), c_int>; + ) -> Result<()>; fn sleep( &mut self, microseconds: c_int, - ) -> Result<(), c_int>; + ) -> Result<()>; - fn current_time(&mut self, arg2: *mut f64) -> Result<(), c_int>; + fn current_time(&mut self, arg2: *mut f64) -> Result<()>; fn get_last_error( &mut self, arg2: c_int, arg3: *mut c_char, - ) -> Result<(), c_int>; + ) -> Result<()>; fn current_time_int64( &mut self, arg2: *mut sqlite3_int64, - ) -> Result<(), c_int>; + ) -> Result<()>; fn set_system_call( &mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr, - ) -> Result<(), c_int>; + ) -> Result<()>; fn get_system_call( &mut self, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs new file mode 100644 index 0000000..c9e3b26 --- /dev/null +++ b/src/vfs/vfs.rs @@ -0,0 +1,331 @@ +#![ allow(non_snake_case)] +#![ allow(unused)] + +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; +use std::ffi::CString; +use std::os::raw::{c_int, c_char, c_void}; +use std::ptr; + +use super::traits::SqliteVfs; + +pub unsafe extern "C" fn x_open( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + p_file: *mut sqlite3_file, + flags: c_int, + p_out_flags: *mut c_int, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + + let (new_file, opt_flags) = b.init(); + *p_file = new_file; + + if let Some(out_flags) = opt_flags { + *p_out_flags = out_flags; + } + + match b.open(z_name, flags) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.delete(z_name, sync_dir) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.access(z_name, flags, p_res_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.full_pathname(z_name, n_out, z_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { + let mut b = Box::::from_raw(p_vfs.cast::()); + let out = b.dl_open(z_filename); + // TODO + // match b.dl_open(z_filename) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // Drop in close + out +} + +pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_error(n_byte, z_err_msg); + // match b.dl_error(n_byte, z_err_msg) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // Drop in close +} + +pub unsafe extern "C" fn x_dl_sym( + p_vfs: *mut sqlite3_vfs, + p_handle: *mut c_void, + z_symbol: *const c_char, +) -> Option { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_sym(p_handle, z_symbol); + // match b.dl_error(n_byte, z_err_msg) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // Drop in close + None +} + +/// Let Box go out of scope, thus drop // TODO valgrind +pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { + let mut b = Box::::from_raw(p_vfs.cast::()); + b.dl_close(p_handle); + // match b.dl_close(p_handle) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } +} + +pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.randomness(n_byte, z_out) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.sleep(microseconds) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.current_time(p_time) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_get_last_error( + p_vfs: *mut sqlite3_vfs, + err_code: c_int, + z_err_msg: *mut c_char, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.get_last_error(err_code, z_err_msg) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_current_time_int64( + p_vfs: *mut sqlite3_vfs, + p_time: *mut sqlite3_int64, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.current_time_int64(p_time) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_set_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + p_call: sqlite3_syscall_ptr, +) -> c_int { + let mut b = Box::::from_raw(p_vfs.cast::()); + match b.set_system_call(z_name, p_call) { + Ok(()) => (), + Err(e) => { + // TODO define error handling + // if api::result_error(context, &e.result_error_message()).is_err() { + // api::result_error_code(context, SQLITE_INTERNAL); + // } + } + } + Box::into_raw(b); // Drop in close + 0 // TODO figure out what to do here +} + +pub unsafe extern "C" fn x_get_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, +) -> sqlite3_syscall_ptr { + let mut b = Box::::from_raw(p_vfs.cast::()); + let out = b.get_system_call(z_name); + // match b.get_system_call(z_name) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // Drop in close + // None // TODO figure out what to do here + out +} + +pub unsafe extern "C" fn x_next_system_call( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, +) -> *const c_char { + let mut b = Box::::from_raw(p_vfs.cast::()); + // match b.next_system_call(z_name) { + // Ok(()) => (), + // Err(e) => { + // // TODO define error handling + // // if api::result_error(context, &e.result_error_message()).is_err() { + // // api::result_error_code(context, SQLITE_INTERNAL); + // // } + // } + // } + Box::into_raw(b); // Drop in close + ptr::null() // TODO +} + +unsafe fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { + let vfs_ptr = Box::into_raw(Box::::new(vfs)); + let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same + let vfs_name = CString::new(name) + .expect("should be a C string").as_ptr().to_owned(); + + sqlite3_vfs { + iVersion: 3, // this library targets version 3? + pNext: ptr::null_mut(), // sqlite3 will change this + pAppData: vfs_ptr.cast(), + szOsFile: size_ptr as i32, + mxPathname: max_path_name_size, + zName: vfs_name, + + // TODO some are optional, break down to multiple traits? + // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow + xOpen: Some(x_open::), + xDelete: Some(x_delete::), + xAccess: Some(x_access::), + xFullPathname: Some(x_full_pathname::), + xDlOpen: Some(x_dl_open::), + xDlError: Some(x_dl_error::), + xDlSym: Some(x_dl_sym::), + xDlClose: Some(x_dl_close::), + xRandomness: Some(x_randomness::), + xSleep: Some(x_sleep::), + xCurrentTime: Some(x_current_time::), + xGetLastError: Some(x_get_last_error::), + xCurrentTimeInt64: Some(x_current_time_int64::), + xSetSystemCall: Some(x_set_system_call::), + xGetSystemCall: Some(x_get_system_call::), + xNextSystemCall: Some(x_next_system_call::), + } +} + +pub fn declare_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { + unsafe { + create_vfs(vfs, name, max_path_name_size) + } +} + From 65119d5292cf73b514838a887994125ed3fd39aa Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 7 Sep 2023 19:51:49 +0200 Subject: [PATCH 005/142] add docs placeholder --- README.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 19ec091..65cfb65 100644 --- a/README.md +++ b/README.md @@ -132,6 +132,10 @@ select * from xxx; Some real-world non-Rust examples of traditional virtual tables in SQLite include the [CSV virtual table](https://www.sqlite.org/csv.html), the full-text search [fts5 extension](https://www.sqlite.org/fts5.html#fts5_table_creation_and_initialization), and the [R-Tree extension](https://www.sqlite.org/rtree.html#creating_an_r_tree_index). +### Virtual file system + +It's in the works, stay tuned. TODO documentation + ## Examples The [`examples/`](./examples/) directory has a few bare-bones examples of extensions, which you can build with: @@ -243,7 +247,7 @@ A hello world extension in C is `17KB`, while one in Rust is `469k`. It's still - [ ] Stabilize virtual table interface - [ ] Support [aggregate window functions](https://www.sqlite.org/windowfunctions.html#udfwinfunc) ([#1](https://github.com/asg017/sqlite-loadable-rs/issues/1)) - [ ] Support [collating sequences](https://www.sqlite.org/c3ref/create_collation.html) ([#2](https://github.com/asg017/sqlite-loadable-rs/issues/2)) -- [ ] Support [virtual file systems](sqlite.org/vfs.html) ([#3](https://github.com/asg017/sqlite-loadable-rs/issues/3)) +- [x] Support [virtual file systems](sqlite.org/vfs.html) ([#3](https://github.com/asg017/sqlite-loadable-rs/issues/3)) ## Supporting From 3875348bac0a8b0a076e49810462898f74dbc8b9 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 8 Sep 2023 15:25:49 +0200 Subject: [PATCH 006/142] see patterns of duplication in C code --- examples/mem_vfs.rs | 23 +++++++++++++---------- src/lib.rs | 2 +- src/vfs/vfs.rs | 14 +++++++++++++- 3 files changed, 27 insertions(+), 12 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 4a3ace2..e7646bd 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -2,9 +2,10 @@ //! sqlite3 :memory: '.read examples/test.sql' #![allow(unused)] +use sqlite_loadable::vfs::vfs::declare_vfs; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c -use sqlite_loadable::{prelude::*, SqliteIoMethods, declare_file, declare_vfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, declare_file, register_vfs}; use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use std::os::raw::{c_int, c_void, c_char}; @@ -79,13 +80,15 @@ impl SqliteVfs for MemVfs { } fn init (&self) -> (sqlite3_file, Option) { - (declare_file::(), None) + (declare_file::(), None) } } -struct MemIoMethods; +struct MemFile { + data: Vec +} -impl SqliteIoMethods for MemIoMethods { +impl SqliteIoMethods for MemFile { fn close(&mut self) -> Result<()> { Ok(()) } @@ -162,13 +165,13 @@ impl SqliteIoMethods for MemIoMethods { #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - // Why is this necessary in the original example? - // mem_vfs.pAppData = sqlite3_vfs_find(0); + // Why is `sqlite3_vfs_find(0)` necessary in the original example? + // Answer: to fetch the default sqlite3_vfs instance to copy behaviour from the default vfs + // TODO cksumvfs.c and memvfs.c hold a ptr to the default vfs, see the ORIGVFS macro, mind you, + // TODO it must not be double-freed, ownership should stay with sqlite3 + // code: mem_vfs.pAppData = sqlite3_vfs_find(0); let vfs: sqlite3_vfs = declare_vfs::(MemVfs {}, "memvfs", 1024); - let vfs_ptr = Box::into_raw(Box::new(vfs)); - - unsafe { sqlite3_vfs_register(vfs_ptr, 1); } // TODO wrap, to use pretty syntax: api::register_vfs(vfs_ptr, true)?; - + register_vfs(vfs, true)?; Ok(()) } \ No newline at end of file diff --git a/src/lib.rs b/src/lib.rs index 17114a2..f897b36 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -32,7 +32,7 @@ pub use table::{ }; #[doc(inline)] -pub use vfs::vfs::declare_vfs; +pub use vfs::vfs::register_vfs; pub use vfs::file::declare_file; pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index c9e3b26..9c09c47 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,7 +1,7 @@ #![ allow(non_snake_case)] #![ allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, sqlite3_vfs_register}; use std::ffi::CString; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; @@ -329,3 +329,15 @@ pub fn declare_vfs(vfs: T, name: &str, max_path_name_size: i32) -> } } +pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> Result<(), String> { + let translate_to_int = if make_default { 1 } else { 0 }; + + let result = unsafe { sqlite3_vfs_register(Box::into_raw(Box::new(vfs)), + translate_to_int) }; + + if result == 0 { + Ok(()) + } else { + Err(format!("sqlite3_vfs_register failed with error code: {}", result)) + } +} \ No newline at end of file From 0412d3de36ab49a40a7646968700d95977012af8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sun, 10 Sep 2023 02:52:59 +0200 Subject: [PATCH 007/142] add access to default vfs/file methods --- examples/mem_vfs.rs | 30 +-- src/errors.rs | 2 +- src/lib.rs | 2 +- src/vfs/default.rs | 632 ++++++++++++++++++++++++++++++++++++++++++++ src/vfs/file.rs | 2 +- src/vfs/mod.rs | 3 +- src/vfs/traits.rs | 4 +- src/vfs/vfs.rs | 85 +++--- 8 files changed, 690 insertions(+), 70 deletions(-) create mode 100644 src/vfs/default.rs diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index e7646bd..7041bee 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -2,19 +2,24 @@ //! sqlite3 :memory: '.read examples/test.sql' #![allow(unused)] -use sqlite_loadable::vfs::vfs::declare_vfs; -/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c +use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, declare_file, register_vfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_ptr, register_vfs}; use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use std::os::raw::{c_int, c_void, c_char}; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods}; +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find}; -struct MemVfs; +/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c +struct MemVfs { + default_vfs: DefaultVfs, +} impl SqliteVfs for MemVfs { - fn open(&mut self, z_name: *const c_char, flags: c_int) -> Result<()> { + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + unsafe { *p_file = create_file_ptr::(); } + Ok(()) } @@ -78,10 +83,6 @@ impl SqliteVfs for MemVfs { fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { std::ptr::null() } - - fn init (&self) -> (sqlite3_file, Option) { - (declare_file::(), None) - } } struct MemFile { @@ -165,13 +166,8 @@ impl SqliteIoMethods for MemFile { #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - // Why is `sqlite3_vfs_find(0)` necessary in the original example? - // Answer: to fetch the default sqlite3_vfs instance to copy behaviour from the default vfs - // TODO cksumvfs.c and memvfs.c hold a ptr to the default vfs, see the ORIGVFS macro, mind you, - // TODO it must not be double-freed, ownership should stay with sqlite3 - // code: mem_vfs.pAppData = sqlite3_vfs_find(0); - - let vfs: sqlite3_vfs = declare_vfs::(MemVfs {}, "memvfs", 1024); + let vfs: sqlite3_vfs = create_vfs::( + MemVfs { default_vfs: DefaultVfs::new() }, "memvfs", 1024); register_vfs(vfs, true)?; Ok(()) } \ No newline at end of file diff --git a/src/errors.rs b/src/errors.rs index 108c81a..8c5d553 100644 --- a/src/errors.rs +++ b/src/errors.rs @@ -40,7 +40,7 @@ impl Error { } pub fn result_error_message(self) -> String { match *self.0 { - ErrorKind::DefineVfs(_) => "Error defining VFS".to_owned(), // TODO test + ErrorKind::DefineVfs(i) => format!("Error resulted after calling function: {}", i), ErrorKind::DefineScalarFunction(_) => "Error defining scalar function".to_owned(), ErrorKind::CStringError(e) => format!("String Nul error: {}", e), ErrorKind::CStringUtf8Error(_) => "utf8 err".to_owned(), diff --git a/src/lib.rs b/src/lib.rs index f897b36..5a33063 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -33,6 +33,6 @@ pub use table::{ #[doc(inline)] pub use vfs::vfs::register_vfs; -pub use vfs::file::declare_file; +pub use vfs::file::create_file_ptr; pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; diff --git a/src/vfs/default.rs b/src/vfs/default.rs new file mode 100644 index 0000000..da8f56e --- /dev/null +++ b/src/vfs/default.rs @@ -0,0 +1,632 @@ +#![ allow(unused)] +#![ allow(non_snake_case)] + +use crate::{Error, SqliteIoMethods}; + +use super::super::{Result, vfs::traits::SqliteVfs}; + +use std::{os::raw::{c_int, c_void, c_char}, ptr}; + +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, SQLITE_OK, sqlite3_vfs, sqlite3_vfs_find}; + + +pub struct DefaultVfs { + default_vfs_ptr: *mut sqlite3_vfs, +} + +impl DefaultVfs { + pub fn new() -> Self { + let vfs = unsafe { sqlite3_vfs_find(ptr::null::()) }; + Self { + default_vfs_ptr: vfs, + } + } +} + + +impl SqliteVfs for DefaultVfs { + fn open( + &mut self, + z_name: *const c_char, + p_file: *mut sqlite3_file, + flags: c_int, + p_out_flags: *mut c_int, + ) -> Result<()> { + unsafe { + if let Some(xOpen) = ((*self.default_vfs_ptr).xOpen) { + let result = xOpen( + self.default_vfs_ptr, + z_name, + p_file, + flags, + p_out_flags, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn delete( + &mut self, + z_name: *const c_char, + sync_dir: c_int, + ) -> Result<()> { + unsafe { + if let Some(xDelete) = ((*self.default_vfs_ptr).xDelete) { + let result = xDelete( + self.default_vfs_ptr, + z_name, + sync_dir, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn access( + &mut self, + z_name: *const c_char, + flags: c_int, + p_res_out: *mut c_int, + ) -> Result<()> { + unsafe { + if let Some(xAccess) = ((*self.default_vfs_ptr).xAccess) { + let result = xAccess( + self.default_vfs_ptr, + z_name, + flags, + p_res_out, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn full_pathname( + &mut self, + z_name: *const c_char, + n_out: c_int, + z_out: *mut c_char, + ) -> Result<()> { + unsafe { + if let Some(xFullPathname) = ((*self.default_vfs_ptr).xFullPathname) { + let result = xFullPathname( + self.default_vfs_ptr, + z_name, + n_out, + z_out, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn dl_open( + &mut self, + z_filename: *const c_char, + ) -> *mut c_void { + unsafe { + if let Some(xDlOpen) = ((*self.default_vfs_ptr).xDlOpen) { + xDlOpen(self.default_vfs_ptr, z_filename) + } else { + std::ptr::null_mut() // Return null pointer or handle missing function appropriately + } + } + } + + fn dl_error( + &mut self, + n_byte: c_int, + z_err_msg: *mut c_char, + ) { + unsafe { + if let Some(xDlError) = ((*self.default_vfs_ptr).xDlError) { + xDlError(self.default_vfs_ptr, n_byte, z_err_msg); + } + } + } + + fn dl_sym( + &mut self, + arg2: *mut c_void, + z_symbol: *const c_char, + ) -> Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_vfs, + arg2: *mut c_void, + z_symbol: *const c_char, + ), + > { + unsafe { + if let Some(xDlSym) = ((*self.default_vfs_ptr).xDlSym) { + xDlSym(self.default_vfs_ptr, arg2, z_symbol) + } else { + None // TODO Handle missing function appropriately + } + } + } + + fn dl_close(&mut self, arg2: *mut c_void) { + unsafe { + if let Some(xDlClose) = ((*self.default_vfs_ptr).xDlClose) { + xDlClose(self.default_vfs_ptr, arg2); + } else { + // TODO Handle missing function appropriately (e.g., log an error) + } + } + } + + fn randomness( + &mut self, + n_byte: c_int, + z_out: *mut c_char, + ) -> Result<()> { + unsafe { + if let Some(xRandomness) = ((*self.default_vfs_ptr).xRandomness) { + let result = xRandomness( + self.default_vfs_ptr, + n_byte, + z_out, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn sleep( + &mut self, + microseconds: c_int, + ) -> Result<()> { + unsafe { + if let Some(xSleep) = ((*self.default_vfs_ptr).xSleep) { + let result = xSleep( + self.default_vfs_ptr, + microseconds, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn current_time(&mut self, arg2: *mut f64) -> Result<()> { + unsafe { + if let Some(xCurrentTime) = ((*self.default_vfs_ptr).xCurrentTime) { + let result = xCurrentTime(self.default_vfs_ptr, arg2); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn get_last_error( + &mut self, + arg2: c_int, + arg3: *mut c_char, + ) -> Result<()> { + unsafe { + if let Some(xGetLastError) = ((*self.default_vfs_ptr).xGetLastError) { + let result = xGetLastError( + self.default_vfs_ptr, + arg2, + arg3, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn current_time_int64( + &mut self, + arg2: *mut sqlite3_int64, + ) -> Result<()> { + unsafe { + if let Some(xCurrentTimeInt64) = ((*self.default_vfs_ptr).xCurrentTimeInt64) { + let result = xCurrentTimeInt64(self.default_vfs_ptr, arg2); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn set_system_call( + &mut self, + z_name: *const c_char, + arg2: sqlite3_syscall_ptr, + ) -> Result<()> { + unsafe { + if let Some(xSetSystemCall) = ((*self.default_vfs_ptr).xSetSystemCall) { + let result = xSetSystemCall( + self.default_vfs_ptr, + z_name, + arg2, + ); + + if result == 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn get_system_call( + &mut self, + z_name: *const c_char, + ) -> sqlite3_syscall_ptr { + unsafe { + if let Some(xGetSystemCall) = ((*self.default_vfs_ptr).xGetSystemCall) { + xGetSystemCall(self.default_vfs_ptr, z_name) + } else { + None + } + } + } + + fn next_system_call( + &mut self, + z_name: *const c_char, + ) -> *const c_char { + unsafe { + if let Some(xNextSystemCall) = ((*self.default_vfs_ptr).xNextSystemCall) { + xNextSystemCall(self.default_vfs_ptr, z_name) + } else { + std::ptr::null() + } + } + } +} + + +/// See ORIGFILE https://www.sqlite.org/src/file?name=ext/misc/cksumvfs.c +struct DefaultFile { + default_methods_ptr: *mut sqlite3_io_methods, + default_file_ptr: *mut sqlite3_file, +} + +impl DefaultFile { + /// See sqlite3_vfs::x_open sqlite3_file parameter + fn from_file_ptr(file_ptr: *mut sqlite3_file) -> Self { + Self { + default_file_ptr: file_ptr, + default_methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut() + } + } +} + +impl SqliteIoMethods for DefaultFile { + fn close(&mut self) -> Result<()> { + unsafe { + if let Some(xClose) = ((*self.default_methods_ptr).xClose) { + let result = xClose(self.default_file_ptr); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn read(&mut self, buf: *mut c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { + unsafe { + if let Some(xRead) = ((*self.default_methods_ptr).xRead) { + let result = xRead(self.default_file_ptr, buf, i_amt, i_ofst); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn write( + &mut self, + buf: *const c_void, + i_amt: c_int, + i_ofst: sqlite3_int64, + ) -> Result<()> { + unsafe { + if let Some(xWrite) = ((*self.default_methods_ptr).xWrite) { + let result = xWrite(self.default_file_ptr,buf, i_amt, i_ofst); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn truncate(&mut self, size: sqlite3_int64) -> Result<()> { + unsafe { + if let Some(xTruncate) = ((*self.default_methods_ptr).xTruncate) { + let result = xTruncate(self.default_file_ptr,size); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn sync(&mut self, flags: c_int) -> Result<()> { + unsafe { + if let Some(xSync) = ((*self.default_methods_ptr).xSync) { + let result = xSync(self.default_file_ptr,flags); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + unsafe { + if let Some(xFileSize) = ((*self.default_methods_ptr).xFileSize) { + let result = xFileSize(self.default_file_ptr,p_size); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn lock(&mut self, arg2: c_int) -> Result<()> { + unsafe { + if let Some(xLock) = ((*self.default_methods_ptr).xLock) { + let result = xLock(self.default_file_ptr,arg2); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn unlock(&mut self, arg2: c_int) -> Result<()> { + unsafe { + if let Some(xUnlock) = ((*self.default_methods_ptr).xUnlock) { + let result = xUnlock(self.default_file_ptr,arg2); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + unsafe { + if let Some(xCheckReservedLock) = ((*self.default_methods_ptr).xCheckReservedLock) { + let result = xCheckReservedLock(self.default_file_ptr, p_res_out); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { + unsafe { + if let Some(xFileControl) = ((*self.default_methods_ptr).xFileControl) { + let result = xFileControl(self.default_file_ptr, op, p_arg); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn sector_size(&mut self) -> Result<()> { + unsafe { + if let Some(xSectorSize) = ((*self.default_methods_ptr).xSectorSize) { + let result = xSectorSize(self.default_file_ptr); + if result >= 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn device_characteristics(&mut self) -> Result<()> { + unsafe { + if let Some(xDeviceCharacteristics) = ((*self.default_methods_ptr).xDeviceCharacteristics) { + let result = xDeviceCharacteristics(self.default_file_ptr); + if result >= 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + unsafe { + if let Some(xShmMap) = ((*self.default_methods_ptr).xShmMap) { + let result = xShmMap(self.default_file_ptr,i_pg, pgsz, arg2, arg3); + if result >= 0 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + unsafe { + if let Some(xShmLock) = ((*self.default_methods_ptr).xShmLock) { + let result = xShmLock(self.default_file_ptr,offset, n, flags); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn shm_barrier(&mut self) -> Result<()> { + unsafe { + if let Some(xShmBarrier) = ((*self.default_methods_ptr).xShmBarrier) { + xShmBarrier(self.default_file_ptr); + Ok(()) + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { + unsafe { + if let Some(xShmUnmap) = ((*self.default_methods_ptr).xShmUnmap) { + let result = xShmUnmap(self.default_file_ptr, delete_flag); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn fetch(&mut self, i_ofst: sqlite3_int64, i_amt: c_int, pp: *mut *mut c_void) -> Result<()> { + unsafe { + if let Some(xFetch) = ((*self.default_methods_ptr).xFetch) { + let result = xFetch(self.default_file_ptr,i_ofst, i_amt, pp); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } + + fn unfetch(&mut self, i_ofst: sqlite3_int64, p: *mut c_void) -> Result<()> { + unsafe { + if let Some(xUnfetch) = ((*self.default_methods_ptr).xUnfetch) { + let result = xUnfetch(self.default_file_ptr,i_ofst, p); + if result == 1 { + Ok(()) + } else { + Err(Error::new(crate::ErrorKind::DefineVfs(result))) + } + } else { + Err(Error::new_message("Missing function")) + } + } + } +} + \ No newline at end of file diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 0b4db9e..9331311 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -355,7 +355,7 @@ unsafe fn create_io_methods() -> sqlite3_io_methods { } } -pub fn declare_file() -> sqlite3_file { +pub fn create_file_ptr() -> sqlite3_file { unsafe { let methods = create_io_methods::(); let methods_ptr = Box::into_raw(Box::new(methods)); diff --git a/src/vfs/mod.rs b/src/vfs/mod.rs index b418ca3..43d59a9 100644 --- a/src/vfs/mod.rs +++ b/src/vfs/mod.rs @@ -1,3 +1,4 @@ pub mod traits; pub mod vfs; -pub mod file; \ No newline at end of file +pub mod file; +pub mod default; \ No newline at end of file diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 8f2f809..b2e8282 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -69,12 +69,12 @@ pub trait SqliteIoMethods { // TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) pub trait SqliteVfs { - fn init (&self) -> (sqlite3_file, Option); - fn open( &mut self, z_name: *const c_char, + p_file: *mut sqlite3_file, flags: c_int, + p_out_flags: *mut c_int, ) -> Result<()>; fn delete( diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 9c09c47..cca15b0 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,7 +1,7 @@ -#![ allow(non_snake_case)] +#![ allow(non_snake_case)] #![ allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, sqlite3_vfs_register}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, sqlite3_vfs_register, sqlite3_vfs_find}; use std::ffi::CString; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; @@ -16,15 +16,8 @@ pub unsafe extern "C" fn x_open( p_out_flags: *mut c_int, ) -> c_int { let mut b = Box::::from_raw(p_vfs.cast::()); - - let (new_file, opt_flags) = b.init(); - *p_file = new_file; - - if let Some(out_flags) = opt_flags { - *p_out_flags = out_flags; - } - match b.open(z_name, flags) { + match b.open(z_name, p_file, flags, p_out_flags) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -288,44 +281,42 @@ pub unsafe extern "C" fn x_next_system_call( ptr::null() // TODO } -unsafe fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { - let vfs_ptr = Box::into_raw(Box::::new(vfs)); - let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same - let vfs_name = CString::new(name) - .expect("should be a C string").as_ptr().to_owned(); - - sqlite3_vfs { - iVersion: 3, // this library targets version 3? - pNext: ptr::null_mut(), // sqlite3 will change this - pAppData: vfs_ptr.cast(), - szOsFile: size_ptr as i32, - mxPathname: max_path_name_size, - zName: vfs_name, - - // TODO some are optional, break down to multiple traits? - // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow - xOpen: Some(x_open::), - xDelete: Some(x_delete::), - xAccess: Some(x_access::), - xFullPathname: Some(x_full_pathname::), - xDlOpen: Some(x_dl_open::), - xDlError: Some(x_dl_error::), - xDlSym: Some(x_dl_sym::), - xDlClose: Some(x_dl_close::), - xRandomness: Some(x_randomness::), - xSleep: Some(x_sleep::), - xCurrentTime: Some(x_current_time::), - xGetLastError: Some(x_get_last_error::), - xCurrentTimeInt64: Some(x_current_time_int64::), - xSetSystemCall: Some(x_set_system_call::), - xGetSystemCall: Some(x_get_system_call::), - xNextSystemCall: Some(x_next_system_call::), - } -} - -pub fn declare_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { +pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { unsafe { - create_vfs(vfs, name, max_path_name_size) + let default_vfs_ptr = sqlite3_vfs_find(ptr::null()); + let vfs_ptr = Box::into_raw(Box::::new(vfs)); + let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same + let vfs_name = CString::new(name) + .expect("should be a C string").as_ptr().to_owned(); + + sqlite3_vfs { + iVersion: 3, // this library targets version 3? + pNext: ptr::null_mut(), // sqlite3 will change this + pAppData: vfs_ptr.cast(), + szOsFile: size_ptr as i32, + mxPathname: max_path_name_size, + zName: vfs_name, + + // TODO some are optional, break down to multiple traits? + // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow + xOpen: Some(x_open::), + xDelete: Some(x_delete::), + xAccess: Some(x_access::), + xFullPathname: Some(x_full_pathname::), + xDlOpen: Some(x_dl_open::), + xDlError: Some(x_dl_error::), + xDlSym: Some(x_dl_sym::), + xDlClose: Some(x_dl_close::), + xRandomness: Some(x_randomness::), + xSleep: Some(x_sleep::), + xCurrentTime: Some(x_current_time::), + xGetLastError: Some(x_get_last_error::), + xCurrentTimeInt64: Some(x_current_time_int64::), + xSetSystemCall: Some(x_set_system_call::), + xGetSystemCall: Some(x_get_system_call::), + xNextSystemCall: Some(x_next_system_call::), + } + } } From b7e96c518da080c7436d3a20930654221fa2dc6f Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 12 Sep 2023 20:39:29 +0200 Subject: [PATCH 008/142] wrote completely untested code to check if C struct polymorphism works in rust, assuming repr(C) will maintain alignment etc. --- examples/mem_vfs.rs | 107 +++++++++++++++++++++++++++++++++++++++++--- src/vfs/file.rs | 98 +++++++++++++++++++++++----------------- src/vfs/vfs.rs | 5 +++ 3 files changed, 164 insertions(+), 46 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 7041bee..1e4efb3 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -2,10 +2,11 @@ //! sqlite3 :memory: '.read examples/test.sql' #![allow(unused)] +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_ptr, register_vfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_ptr, register_vfs, Error, ErrorKind}; use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use std::os::raw::{c_int, c_void, c_char}; @@ -18,7 +19,39 @@ struct MemVfs { impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { - unsafe { *p_file = create_file_ptr::(); } + let rust_file = MemFile { + size: 0, + max_size: 0, + file_content: Vec::new(), + }; + + // TODO finish implementation + + /* + memset(p, 0, sizeof(*p)); + + if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; + + p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + + if( p->aData == 0 ) return SQLITE_CANTOPEN; + + p->sz = sqlite3_uri_int64(zName,"sz",0); + + if( p->sz < 0 ) return SQLITE_CANTOPEN; + + // Set MemFile parameter + p->szMax = sqlite3_uri_int64(zName,"max",p->sz); + + if( p->szMaxsz ) return SQLITE_CANTOPEN; + + // This is implemented and active by default + p->bFreeOnClose = sqlite3_uri_boolean(zName,"freeonclose",0); + + // This is implemented with traits + pFile->pMethods = &mem_io_methods; + */ + unsafe { *p_file = *create_file_ptr( rust_file ); } Ok(()) } @@ -86,23 +119,61 @@ impl SqliteVfs for MemVfs { } struct MemFile { - data: Vec + size: sqlite3_int64, // equal to self.data.len() + max_size: sqlite3_int64, + file_content: Vec, } impl SqliteIoMethods for MemFile { fn close(&mut self) -> Result<()> { + // The example contains an explicit deallocation, + // but the base implementation takes care of that already + // with a Box::from_raw, that forces the datastructure + // to drop at the end of the scope Ok(()) } fn read(&mut self, buf: *mut c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { Ok(()) + /* + // TODO write requested data to buf + memcpy(buf, p->aData+iOfst, iAmt); + */ } fn write(&mut self, buf: *const c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { Ok(()) + /* + if( (iOfst + iAmt) > p->sz ) { + // Error if exceeds allocation + if( (iOfst+iAmt) > p->szMax ) { + return SQLITE_FULL; + } + // Pre-allocate space with memset + if( iOfst > p->sz ) { + memset(p->aData + p->sz, 0, iOfst - p->sz); + } + p->sz = iOfst + iAmt; + } + // append buf to memory + memcpy(p->aData + iOfst, buf, iAmt); + return SQLITE_OK; + */ } fn truncate(&mut self, size: sqlite3_int64) -> Result<()> { + // TODO error if allocation is full + // original: + /* + if( size > p->sz ) { + if( size > p->szMax ) { + return SQLITE_FULL; + } + memset(p->aData + p->sz, 0, size-p->sz); // double the size + } + p->sz = size; + return SQLITE_OK; + */ Ok(()) } @@ -111,6 +182,7 @@ impl SqliteIoMethods for MemFile { } fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + // TODO *p_size = self.file_content.len() Ok(()) } @@ -123,27 +195,50 @@ impl SqliteIoMethods for MemFile { } fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + // TODO OK(()) -> *pResOut = 0 + // TODO consider putting this in a struct Ok(()) } fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { Ok(()) + // TODO change type to support this: + /* + int rc = SQLITE_NOTFOUND; + if( op==SQLITE_FCNTL_VFSNAME ){ + *(char**)pArg = sqlite3_mprintf("mem(%p,%lld)", p->aData, p->sz); + rc = SQLITE_OK; + } + // TODO use rust formatting and then create pointers + return rc; + */ } fn sector_size(&mut self) -> Result<()> { Ok(()) + // TODO change type to support this: 1024 + // TODO consider putting this in a struct } fn device_characteristics(&mut self) -> Result<()> { Ok(()) + // TODO change type to support this + // TODO consider putting this in a struct + /* + SQLITE_IOCAP_ATOMIC | + SQLITE_IOCAP_POWERSAFE_OVERWRITE | + SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_SEQUENTIAL + */ } fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { - Ok(()) + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) } fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { - Ok(()) + // SQLITE_IOERR_SHMLOCK is deprecated + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) } fn shm_barrier(&mut self) -> Result<()> { @@ -155,6 +250,8 @@ impl SqliteIoMethods for MemFile { } fn fetch(&mut self, i_ofst: sqlite3_int64, i_amt: c_int, pp: *mut *mut c_void) -> Result<()> { + // unsafe { *pp = self.file_content + } + // TODO provide memory location Ok(()) } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 9331311..0e1d6f6 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,5 +1,5 @@ -#![ allow(non_snake_case)] -#![ allow(unused)] +#![allow(non_snake_case)] +#![allow(unused)] use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; use std::os::raw::{c_int, c_void}; @@ -8,8 +8,8 @@ use crate::vfs::traits::SqliteIoMethods; /// Let Box go out of scope, thus drop // TODO valgrind pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.close() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).close() { Ok(()) => (), Err(e) => { // TODO define error handling @@ -18,6 +18,9 @@ pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> // } } } + // gc + let rusty_methods = Box::from_raw(b.oxidizedMethods); + let p_methods = Box::from_raw(b.pMethods.cast_mut()); 0 // TODO figure out what to do here } @@ -27,8 +30,8 @@ pub unsafe extern "C" fn x_read( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.read(buf, iAmt, iOfst) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).read(buf, iAmt, iOfst) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -47,8 +50,8 @@ pub unsafe extern "C" fn x_write( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.write(buf, iAmt, iOfst) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).write(buf, iAmt, iOfst) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -65,8 +68,8 @@ pub unsafe extern "C" fn x_truncate( arg1: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.truncate(size) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).truncate(size) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -83,8 +86,8 @@ pub unsafe extern "C" fn x_sync( arg1: *mut sqlite3_file, // TODO convert flags: c_int, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.sync(flags) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).sync(flags) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -101,8 +104,8 @@ pub unsafe extern "C" fn x_file_size( arg1: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.file_size(pSize) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).file_size(pSize) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -120,8 +123,8 @@ pub unsafe extern "C" fn x_lock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.lock(arg2) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).lock(arg2) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -138,8 +141,8 @@ pub unsafe extern "C" fn x_unlock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.unlock(arg2) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).unlock(arg2) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -156,8 +159,8 @@ pub unsafe extern "C" fn x_check_reserved_lock( arg1: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.check_reserved_lock(pResOut) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).check_reserved_lock(pResOut) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -175,8 +178,8 @@ pub unsafe extern "C" fn x_file_control( op: c_int, pArg: *mut c_void, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.file_control(op, pArg) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).file_control(op, pArg) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -190,8 +193,8 @@ pub unsafe extern "C" fn x_file_control( } pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.sector_size() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).sector_size() { Ok(()) => (), Err(e) => { // TODO define error handling @@ -205,8 +208,8 @@ pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_fi } pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.device_characteristics() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).device_characteristics() { Ok(()) => (), Err(e) => { // TODO define error handling @@ -226,8 +229,8 @@ pub unsafe extern "C" fn x_shm_map( arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_map(iPg, pgsz, arg2, arg3) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).shm_map(iPg, pgsz, arg2, arg3) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -246,8 +249,8 @@ pub unsafe extern "C" fn x_shm_lock( n: c_int, flags: c_int, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_lock(offset, n, flags) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).shm_lock(offset, n, flags) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -261,8 +264,8 @@ pub unsafe extern "C" fn x_shm_lock( } pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_barrier() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).shm_barrier() { Ok(()) => (), Err(e) => { // TODO define error handling @@ -278,8 +281,8 @@ pub unsafe extern "C" fn x_shm_unmap( arg1: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.shm_unmap(deleteFlag) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).shm_unmap(deleteFlag) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -298,8 +301,8 @@ pub unsafe extern "C" fn x_fetch( iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.fetch(iOfst, iAmt, pp) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).fetch(iOfst, iAmt, pp) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -317,8 +320,8 @@ pub unsafe extern "C" fn x_unfetch( iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut b = Box::::from_raw(arg1.cast::()); - match b.unfetch(iOfst, p) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.oxidizedMethods).unfetch(iOfst, p) { Ok(()) => (), Err(e) => { // TODO define error handling @@ -331,6 +334,15 @@ pub unsafe extern "C" fn x_unfetch( 0 // TODO figure out what to do here } +// C struct polymorphism, given the alignment and field sequence +// remain the same, then again, T might ruin the party +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct sqlite3_file_polymorph { + pub pMethods: *const sqlite3_io_methods, + pub oxidizedMethods: *mut T, +} + unsafe fn create_io_methods() -> sqlite3_io_methods { sqlite3_io_methods { iVersion: 3, // this library targets version 3? @@ -355,13 +367,17 @@ unsafe fn create_io_methods() -> sqlite3_io_methods { } } -pub fn create_file_ptr() -> sqlite3_file { +pub fn create_file_ptr(o2_methods: T) -> *mut sqlite3_file { unsafe { let methods = create_io_methods::(); let methods_ptr = Box::into_raw(Box::new(methods)); - sqlite3_file { + let methods_boxed_ptr = Box::into_raw(Box::new(o2_methods)); + let p = sqlite3_file_polymorph:: { pMethods: methods_ptr, - } + oxidizedMethods: methods_boxed_ptr, + }; + let p = Box::into_raw(Box::new(p)); + p.cast() } } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index cca15b0..051d05a 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -281,10 +281,13 @@ pub unsafe extern "C" fn x_next_system_call( ptr::null() // TODO } + + pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { unsafe { let default_vfs_ptr = sqlite3_vfs_find(ptr::null()); let vfs_ptr = Box::into_raw(Box::::new(vfs)); + // TODO also put sqlite3_file with vfs let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same let vfs_name = CString::new(name) .expect("should be a C string").as_ptr().to_owned(); @@ -320,6 +323,8 @@ pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> } } + + pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> Result<(), String> { let translate_to_int = if make_default { 1 } else { 0 }; From 02c86e34910f63d450fd5e593780b2bec812a435 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 13 Sep 2023 04:30:01 +0200 Subject: [PATCH 009/142] fleshed out the plumbing --- examples/mem_vfs.rs | 37 +++---- src/lib.rs | 2 +- src/vfs/default.rs | 27 ++--- src/vfs/file.rs | 247 +++++++++++++++++++++++--------------------- src/vfs/traits.rs | 4 +- src/vfs/vfs.rs | 217 ++++++++++++++------------------------ 6 files changed, 236 insertions(+), 298 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 1e4efb3..ecfa9e8 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -6,7 +6,7 @@ use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_ptr, register_vfs, Error, ErrorKind}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind}; use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use std::os::raw::{c_int, c_void, c_char}; @@ -51,7 +51,8 @@ impl SqliteVfs for MemVfs { // This is implemented with traits pFile->pMethods = &mem_io_methods; */ - unsafe { *p_file = *create_file_ptr( rust_file ); } + // TODO figure out how to drop this, store a pointer to the vfs? + unsafe { *p_file = *create_file_pointer( rust_file ); } Ok(()) } @@ -68,53 +69,53 @@ impl SqliteVfs for MemVfs { Ok(()) } + // From here onwards, only calls to the default vfs fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { - std::ptr::null_mut() + self.default_vfs.dl_open(z_filename) } fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char) { + self.default_vfs.dl_error(n_byte, z_err_msg) } fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) -> Option { - None + self.default_vfs.dl_sym(arg2, z_symbol) } fn dl_close(&mut self, arg2: *mut c_void) { + self.default_vfs.dl_close(arg2) } fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> Result<()> { - Ok(()) + self.default_vfs.randomness(n_byte, z_out) } fn sleep(&mut self, microseconds: c_int) -> Result<()> { - Ok(()) + self.default_vfs.sleep(microseconds) } fn current_time(&mut self, arg2: *mut f64) -> Result<()> { - Ok(()) + self.default_vfs.current_time(arg2) } fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()> { - Ok(()) + self.default_vfs.get_last_error(arg2, arg3) } - fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> Result<()> { - Ok(()) + fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> i32 { + self.default_vfs.current_time_int64(arg2) } - fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> Result<()> { - Ok(()) + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { + self.default_vfs.set_system_call(z_name, arg2) } fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { - unsafe extern "C" - fn meh() {} - - Some(meh) + self.default_vfs.get_system_call(z_name) } fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { - std::ptr::null() + self.default_vfs.next_system_call(z_name) } } @@ -263,7 +264,7 @@ impl SqliteIoMethods for MemFile { #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let vfs: sqlite3_vfs = create_vfs::( + let vfs: sqlite3_vfs = create_vfs( MemVfs { default_vfs: DefaultVfs::new() }, "memvfs", 1024); register_vfs(vfs, true)?; Ok(()) diff --git a/src/lib.rs b/src/lib.rs index 5a33063..6c686e7 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -33,6 +33,6 @@ pub use table::{ #[doc(inline)] pub use vfs::vfs::register_vfs; -pub use vfs::file::create_file_ptr; +pub use vfs::file::create_file_pointer; pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; diff --git a/src/vfs/default.rs b/src/vfs/default.rs index da8f56e..27941a5 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -273,18 +273,13 @@ impl SqliteVfs for DefaultVfs { fn current_time_int64( &mut self, arg2: *mut sqlite3_int64, - ) -> Result<()> { + ) -> c_int { unsafe { if let Some(xCurrentTimeInt64) = ((*self.default_vfs_ptr).xCurrentTimeInt64) { - let result = xCurrentTimeInt64(self.default_vfs_ptr, arg2); - - if result == 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + xCurrentTimeInt64(self.default_vfs_ptr, arg2) } else { - Err(Error::new_message("Missing function")) + // Err(Error::new_message("Missing function")) + -1 } } } @@ -293,22 +288,18 @@ impl SqliteVfs for DefaultVfs { &mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr, - ) -> Result<()> { + ) -> c_int { unsafe { if let Some(xSetSystemCall) = ((*self.default_vfs_ptr).xSetSystemCall) { - let result = xSetSystemCall( + xSetSystemCall( self.default_vfs_ptr, z_name, arg2, - ); + ) - if result == 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } } else { - Err(Error::new_message("Missing function")) + // Err(Error::new_message("Missing function")) + -1 } } } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 0e1d6f6..5e1abce 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -4,22 +4,23 @@ use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; use std::os::raw::{c_int, c_void}; -use crate::vfs::traits::SqliteIoMethods; +use crate::{vfs::traits::SqliteIoMethods, ErrorKind}; /// Let Box go out of scope, thus drop // TODO valgrind pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).close() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).close() { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } // gc - let rusty_methods = Box::from_raw(b.oxidizedMethods); + let rusty_methods = Box::from_raw(b.o_methods); let p_methods = Box::from_raw(b.pMethods.cast_mut()); 0 // TODO figure out what to do here } @@ -30,14 +31,15 @@ pub unsafe extern "C" fn x_read( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).read(buf, iAmt, iOfst) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).read(buf, iAmt, iOfst) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -50,14 +52,15 @@ pub unsafe extern "C" fn x_write( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).write(buf, iAmt, iOfst) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).write(buf, iAmt, iOfst) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -68,14 +71,15 @@ pub unsafe extern "C" fn x_truncate( arg1: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).truncate(size) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).truncate(size) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -86,14 +90,15 @@ pub unsafe extern "C" fn x_sync( arg1: *mut sqlite3_file, // TODO convert flags: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).sync(flags) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).sync(flags) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -104,14 +109,15 @@ pub unsafe extern "C" fn x_file_size( arg1: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).file_size(pSize) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).file_size(pSize) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -123,14 +129,15 @@ pub unsafe extern "C" fn x_lock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).lock(arg2) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).lock(arg2) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -141,14 +148,15 @@ pub unsafe extern "C" fn x_unlock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).unlock(arg2) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).unlock(arg2) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -159,14 +167,15 @@ pub unsafe extern "C" fn x_check_reserved_lock( arg1: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).check_reserved_lock(pResOut) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).check_reserved_lock(pResOut) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -178,14 +187,15 @@ pub unsafe extern "C" fn x_file_control( op: c_int, pArg: *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).file_control(op, pArg) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).file_control(op, pArg) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -193,14 +203,15 @@ pub unsafe extern "C" fn x_file_control( } pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).sector_size() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).sector_size() { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -208,14 +219,15 @@ pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_fi } pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).device_characteristics() { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).device_characteristics() { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -229,14 +241,15 @@ pub unsafe extern "C" fn x_shm_map( arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).shm_map(iPg, pgsz, arg2, arg3) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).shm_map(iPg, pgsz, arg2, arg3) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -249,14 +262,15 @@ pub unsafe extern "C" fn x_shm_lock( n: c_int, flags: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).shm_lock(offset, n, flags) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).shm_lock(offset, n, flags) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -264,16 +278,8 @@ pub unsafe extern "C" fn x_shm_lock( } pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).shm_barrier() { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } + let mut b = Box::>::from_raw(arg1.cast::>()); + (*b.o_methods).shm_barrier(); Box::into_raw(b); // Drop in close } @@ -281,14 +287,15 @@ pub unsafe extern "C" fn x_shm_unmap( arg1: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).shm_unmap(deleteFlag) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).shm_unmap(deleteFlag) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -301,14 +308,15 @@ pub unsafe extern "C" fn x_fetch( iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).fetch(iOfst, iAmt, pp) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).fetch(iOfst, iAmt, pp) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -320,14 +328,15 @@ pub unsafe extern "C" fn x_unfetch( iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.oxidizedMethods).unfetch(iOfst, p) { + let mut b = Box::>::from_raw(arg1.cast::>()); + match (*b.o_methods).unfetch(iOfst, p) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close @@ -338,9 +347,9 @@ pub unsafe extern "C" fn x_unfetch( // remain the same, then again, T might ruin the party #[repr(C)] #[derive(Debug, Copy, Clone)] -pub struct sqlite3_file_polymorph { +pub struct FilePolymorph { pub pMethods: *const sqlite3_io_methods, - pub oxidizedMethods: *mut T, + pub o_methods: *mut T, } unsafe fn create_io_methods() -> sqlite3_io_methods { @@ -367,14 +376,14 @@ unsafe fn create_io_methods() -> sqlite3_io_methods { } } -pub fn create_file_ptr(o2_methods: T) -> *mut sqlite3_file { +pub fn create_file_pointer(o2_methods: T) -> *mut sqlite3_file { unsafe { let methods = create_io_methods::(); let methods_ptr = Box::into_raw(Box::new(methods)); let methods_boxed_ptr = Box::into_raw(Box::new(o2_methods)); - let p = sqlite3_file_polymorph:: { + let p = FilePolymorph:: { pMethods: methods_ptr, - oxidizedMethods: methods_boxed_ptr, + o_methods: methods_boxed_ptr, }; let p = Box::into_raw(Box::new(p)); p.cast() diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index b2e8282..06de387 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -144,13 +144,13 @@ pub trait SqliteVfs { fn current_time_int64( &mut self, arg2: *mut sqlite3_int64, - ) -> Result<()>; + ) -> c_int; fn set_system_call( &mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr, - ) -> Result<()>; + ) -> c_int; fn get_system_call( &mut self, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 051d05a..d00b14e 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -6,6 +6,8 @@ use std::ffi::CString; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; +use crate::ErrorKind; + use super::traits::SqliteVfs; pub unsafe extern "C" fn x_open( @@ -15,95 +17,80 @@ pub unsafe extern "C" fn x_open( flags: c_int, p_out_flags: *mut c_int, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.open(z_name, p_file, flags, p_out_flags) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.delete(z_name, sync_dir) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.access(z_name, flags, p_res_out) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.full_pathname(z_name, n_out, z_out) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); let out = b.dl_open(z_filename); - // TODO - // match b.dl_open(z_filename) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } Box::into_raw(b); // Drop in close out } pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); b.dl_error(n_byte, z_err_msg); - // match b.dl_error(n_byte, z_err_msg) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } Box::into_raw(b); // Drop in close } @@ -112,79 +99,64 @@ pub unsafe extern "C" fn x_dl_sym( p_handle: *mut c_void, z_symbol: *const c_char, ) -> Option { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); b.dl_sym(p_handle, z_symbol); - // match b.dl_error(n_byte, z_err_msg) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } Box::into_raw(b); // Drop in close None } /// Let Box go out of scope, thus drop // TODO valgrind pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); b.dl_close(p_handle); - // match b.dl_close(p_handle) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } } pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.randomness(n_byte, z_out) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.sleep(microseconds) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.current_time(p_time) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_get_last_error( @@ -192,36 +164,29 @@ pub unsafe extern "C" fn x_get_last_error( err_code: c_int, z_err_msg: *mut c_char, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut b = Box::::from_raw(p_vfs.cast::()); match b.get_last_error(err_code, z_err_msg) { Ok(()) => (), Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } + if let ErrorKind::DefineVfs(i) = *e.kind() { + return i; + }else { + return -1; + } } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_current_time_int64( p_vfs: *mut sqlite3_vfs, p_time: *mut sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.current_time_int64(p_time) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } + let mut b = Box::::from_raw(p_vfs.cast::()); + let result = b.current_time_int64(p_time); Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + result } pub unsafe extern "C" fn x_set_system_call( @@ -229,56 +194,30 @@ pub unsafe extern "C" fn x_set_system_call( z_name: *const c_char, p_call: sqlite3_syscall_ptr, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); - match b.set_system_call(z_name, p_call) { - Ok(()) => (), - Err(e) => { - // TODO define error handling - // if api::result_error(context, &e.result_error_message()).is_err() { - // api::result_error_code(context, SQLITE_INTERNAL); - // } - } - } + let mut b = Box::::from_raw(p_vfs.cast::()); + let result = b.set_system_call(z_name, p_call); Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + result } pub unsafe extern "C" fn x_get_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, ) -> sqlite3_syscall_ptr { - let mut b = Box::::from_raw(p_vfs.cast::()); - let out = b.get_system_call(z_name); - // match b.get_system_call(z_name) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } + let mut b = Box::::from_raw(p_vfs.cast::()); + let result = b.get_system_call(z_name); Box::into_raw(b); // Drop in close - // None // TODO figure out what to do here - out + result } pub unsafe extern "C" fn x_next_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, ) -> *const c_char { - let mut b = Box::::from_raw(p_vfs.cast::()); - // match b.next_system_call(z_name) { - // Ok(()) => (), - // Err(e) => { - // // TODO define error handling - // // if api::result_error(context, &e.result_error_message()).is_err() { - // // api::result_error_code(context, SQLITE_INTERNAL); - // // } - // } - // } + let mut b = Box::::from_raw(p_vfs.cast::()); + let result = b.next_system_call(z_name); Box::into_raw(b); // Drop in close - ptr::null() // TODO + result } @@ -287,18 +226,16 @@ pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> unsafe { let default_vfs_ptr = sqlite3_vfs_find(ptr::null()); let vfs_ptr = Box::into_raw(Box::::new(vfs)); - // TODO also put sqlite3_file with vfs let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same - let vfs_name = CString::new(name) - .expect("should be a C string").as_ptr().to_owned(); + let vfs_name = CString::new(name).expect("valid string"); sqlite3_vfs { iVersion: 3, // this library targets version 3? pNext: ptr::null_mut(), // sqlite3 will change this pAppData: vfs_ptr.cast(), - szOsFile: size_ptr as i32, + szOsFile: size_ptr as i32, // raw box pointers sizes are all the same mxPathname: max_path_name_size, - zName: vfs_name, + zName: vfs_name.into_raw(), // TODO some are optional, break down to multiple traits? // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow From f1d2e38b89fcbaca34718769ecaf94217125ae01 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 13 Sep 2023 20:23:38 +0200 Subject: [PATCH 010/142] totally untested, things will explode but most of the coding is done --- Cargo.lock | 67 +++++++++++++++ Cargo.toml | 3 +- examples/mem_vfs.rs | 195 +++++++++++++++++++++++++++++++++----------- src/vfs/default.rs | 61 ++++++++------ src/vfs/file.rs | 36 ++------ src/vfs/traits.rs | 20 ++--- 6 files changed, 272 insertions(+), 110 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 44b0dea..d50fb10 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -167,6 +167,15 @@ version = "0.1.9" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a" +[[package]] +name = "form_urlencoded" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a62bc1cf6f830c2ec14a513a9fb124d0a213a629668a4186f329db21fe045652" +dependencies = [ + "percent-encoding", +] + [[package]] name = "glob" version = "0.3.0" @@ -213,6 +222,16 @@ version = "2.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4" +[[package]] +name = "idna" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c" +dependencies = [ + "unicode-bidi", + "unicode-normalization", +] + [[package]] name = "indexmap" version = "1.9.1" @@ -316,6 +335,12 @@ version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099" +[[package]] +name = "percent-encoding" +version = "2.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94" + [[package]] name = "pkg-config" version = "0.3.27" @@ -437,6 +462,7 @@ dependencies = [ "serde_json", "sqlite-loadable-macros", "sqlite3ext-sys", + "url", ] [[package]] @@ -488,12 +514,53 @@ version = "0.15.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "949517c0cf1bf4ee812e2e07e08ab448e3ae0d23472aee8a06c985f0c8815b16" +[[package]] +name = "tinyvec" +version = "1.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50" +dependencies = [ + "tinyvec_macros", +] + +[[package]] +name = "tinyvec_macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20" + +[[package]] +name = "unicode-bidi" +version = "0.3.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460" + [[package]] name = "unicode-ident" version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd" +[[package]] +name = "unicode-normalization" +version = "0.1.22" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921" +dependencies = [ + "tinyvec", +] + +[[package]] +name = "url" +version = "2.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "143b538f18257fac9cad154828a57c6bf5157e1aa604d4816b5995bf6de87ae5" +dependencies = [ + "form_urlencoded", + "idna", + "percent-encoding", +] + [[package]] name = "vcpkg" version = "0.2.15" diff --git a/Cargo.toml b/Cargo.toml index 0b47b2c..27442da 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -19,6 +19,7 @@ bitflags = "1.3.2" [dev-dependencies] rusqlite = "0.29.0" libsqlite3-sys = {version="0.26.0", default-features = false} +url = "2.4.1" [features] exec = [] @@ -45,4 +46,4 @@ crate-type = ["cdylib"] [[example]] name = "mem_vfs" -crate-type = ["cdylib"] \ No newline at end of file +crate-type = ["cdylib"] diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index ecfa9e8..7488bd5 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -8,21 +8,33 @@ use sqlite_loadable::vfs::vfs::create_vfs; use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind}; use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; +use url::Url; +use std::collections::HashMap; +use std::ffi::CString; use std::os::raw::{c_int, c_void, c_char}; +use std::ptr; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find}; +use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; +use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { default_vfs: DefaultVfs, } +// const MAX_LABEL: &str = "max"; +const SIZE_LABEL: &str = "size"; +const POINTER_LABEL: &str = "pointer"; + impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { let rust_file = MemFile { size: 0, max_size: 0, - file_content: Vec::new(), + file_contents: Vec::new(), }; // TODO finish implementation @@ -31,26 +43,78 @@ impl SqliteVfs for MemVfs { memset(p, 0, sizeof(*p)); if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; + */ - p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + let cant_open = return Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - if( p->aData == 0 ) return SQLITE_CANTOPEN; + unsafe { + let uri_ptr = z_name.cast_mut(); + let uri_cstr = CString::from_raw(uri_ptr); + let uri_str = uri_cstr.to_str(); + let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); + + if (flags & SQLITE_OPEN_MAIN_DB) == 0 { + cant_open + } - p->sz = sqlite3_uri_int64(zName,"sz",0); - - if( p->sz < 0 ) return SQLITE_CANTOPEN; - - // Set MemFile parameter - p->szMax = sqlite3_uri_int64(zName,"max",p->sz); - - if( p->szMaxsz ) return SQLITE_CANTOPEN; + /* + p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + + if( p->aData == 0 ) return SQLITE_CANTOPEN; + + p->sz = sqlite3_uri_int64(zName,"sz",0); + + if( p->sz < 0 ) return SQLITE_CANTOPEN; + + // Set MemFile parameter + p->szMax = sqlite3_uri_int64(zName,"max",p->sz); + + if( p->szMaxsz ) return SQLITE_CANTOPEN; + */ + + if let Ok(url) = parsed_uri { + let mut query_map: HashMap = HashMap::new(); + for (key, value) in url.query_pairs() { + query_map.insert(key.to_string(), value.to_string()); + // if key == MAX_LABEL { + // rust_file.max_size = value.parse().expect("should be an int"); + // } + if key == SIZE_LABEL { + rust_file.size = value.parse().expect("should be an int"); + } + if key == POINTER_LABEL { + // Parse the ptr value as a u64 hexadecimal address + if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { + // Assuming ptr_address is a valid memory address, you can read its contents here. + let buffer = + std::slice::from_raw_parts(ptr_address as *const u8, rust_file.size); + + rust_file.file_contents = buffer.to_vec(); + } + } + } - // This is implemented and active by default + // !query_map.contains_key(MAX_LABEL) && + if + !query_map.contains_key(SIZE_LABEL) && + !query_map.contains_key(POINTER_LABEL) { + cant_open + } + + } else { + cant_open + } + } + + // Skipped 'freeonclose' parameter', dropping is more idiomatic + /* + // This is implemented and active buy default p->bFreeOnClose = sqlite3_uri_boolean(zName,"freeonclose",0); // This is implemented with traits pFile->pMethods = &mem_io_methods; */ + // TODO figure out how to drop this, store a pointer to the vfs? unsafe { *p_file = *create_file_pointer( rust_file ); } @@ -58,18 +122,24 @@ impl SqliteVfs for MemVfs { } fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()> { - Ok(()) + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) } fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + unsafe { + *p_res_out = 0; + } Ok(()) } fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { + // TODO see if format! is actually easier and less unsafe: + // ...format!("{}", CString::new())... + unsafe { sqlite3_snprintf(n_out, z_out, CString::new("%s").expect("should be fine").clone().as_ptr(), z_name); } Ok(()) } - // From here onwards, only calls to the default vfs + /// From here onwards, all calls are redirected to the default vfs fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { self.default_vfs.dl_open(z_filename) } @@ -120,30 +190,42 @@ impl SqliteVfs for MemVfs { } struct MemFile { - size: sqlite3_int64, // equal to self.data.len() - max_size: sqlite3_int64, - file_content: Vec, + size: usize, // TODO consider losing this + max_size: usize, // TODO consider losing this + file_contents: Vec, } impl SqliteIoMethods for MemFile { + /// The original example contains an explicit deallocation, + /// but the base implementation takes care of that already + /// with a Box::from_raw, that forces the datastructure + /// to drop at the end of the scope fn close(&mut self) -> Result<()> { - // The example contains an explicit deallocation, - // but the base implementation takes care of that already - // with a Box::from_raw, that forces the datastructure - // to drop at the end of the scope Ok(()) } - fn read(&mut self, buf: *mut c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { - Ok(()) + fn read(&mut self, buf: *mut c_void, i_amt: usize, i_ofst: usize) -> Result<()> { /* // TODO write requested data to buf memcpy(buf, p->aData+iOfst, iAmt); */ - } - fn write(&mut self, buf: *const c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { + let source = &mut self.file_contents; + + let offset = i_ofst; + let size = i_amt; + + // TODO do not assume alignment is correct, check + unsafe { + let src_ptr = source.as_ptr().offset(offset as isize); + let dst_ptr = buf; + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), size.try_into().unwrap()); + } + Ok(()) + } + + fn write(&mut self, buf: *const c_void, size: usize, offset: usize) -> Result<()> { /* if( (iOfst + iAmt) > p->sz ) { // Error if exceeds allocation @@ -160,10 +242,25 @@ impl SqliteIoMethods for MemFile { memcpy(p->aData + iOfst, buf, iAmt); return SQLITE_OK; */ + let new_length = size + offset; + if new_length > self.file_contents.len() { + self.file_contents.resize(new_length, 0); + } + + // Get a mutable pointer to the destination data + let dest_ptr = self.file_contents.as_mut_ptr(); + + // Use copy_from_nonoverlapping to copy data from source to dest + unsafe { + ptr::copy_nonoverlapping(buf.offset(offset as isize), dest_ptr.cast(), size); + self.file_contents.set_len(new_length) + }; + + Ok(()) } - fn truncate(&mut self, size: sqlite3_int64) -> Result<()> { - // TODO error if allocation is full + /// This is unnecessary, since we allocate precisely what we need + fn truncate(&mut self, size: usize) -> Result<()> { // original: /* if( size > p->sz ) { @@ -183,7 +280,7 @@ impl SqliteIoMethods for MemFile { } fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { - // TODO *p_size = self.file_content.len() + unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } Ok(()) } @@ -196,14 +293,13 @@ impl SqliteIoMethods for MemFile { } fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { - // TODO OK(()) -> *pResOut = 0 + // *pResOut = 0 + unsafe{ *p_res_out = 0; } // TODO consider putting this in a struct Ok(()) } fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - Ok(()) - // TODO change type to support this: /* int rc = SQLITE_NOTFOUND; if( op==SQLITE_FCNTL_VFSNAME ){ @@ -213,24 +309,28 @@ impl SqliteIoMethods for MemFile { // TODO use rust formatting and then create pointers return rc; */ - } + // TODO see if format! is actually easier and less unsafe: + // ...format!("{}", CString::new())... + unsafe { + let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + let out: *mut *mut char = p_arg.cast(); + *out = new_args.cast(); // TODO test with scalar functions + } - fn sector_size(&mut self) -> Result<()> { Ok(()) - // TODO change type to support this: 1024 + } + + fn sector_size(&mut self) -> c_int { + 1024 // TODO consider putting this in a struct } - fn device_characteristics(&mut self) -> Result<()> { - Ok(()) - // TODO change type to support this + fn device_characteristics(&mut self) -> c_int { // TODO consider putting this in a struct - /* SQLITE_IOCAP_ATOMIC | - SQLITE_IOCAP_POWERSAFE_OVERWRITE | - SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL - */ + SQLITE_IOCAP_POWERSAFE_OVERWRITE | + SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_SEQUENTIAL } fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { @@ -238,7 +338,7 @@ impl SqliteIoMethods for MemFile { } fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { - // SQLITE_IOERR_SHMLOCK is deprecated + // SQLITE_IOERR_SHMLOCK is deprecated? Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) } @@ -250,13 +350,14 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn fetch(&mut self, i_ofst: sqlite3_int64, i_amt: c_int, pp: *mut *mut c_void) -> Result<()> { - // unsafe { *pp = self.file_content + } - // TODO provide memory location + fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { + // orig: *pp = (void*)(p->aData + iOfst); + let memory_location = self.file_contents.as_mut_ptr(); + unsafe { *pp = memory_location.add(offset).cast(); } Ok(()) } - fn unfetch(&mut self, i_ofst: sqlite3_int64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { Ok(()) } } diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 27941a5..e091e83 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -32,6 +32,8 @@ impl SqliteVfs for DefaultVfs { flags: c_int, p_out_flags: *mut c_int, ) -> Result<()> { + // This won't be used probably + /* unsafe { if let Some(xOpen) = ((*self.default_vfs_ptr).xOpen) { let result = xOpen( @@ -51,6 +53,8 @@ impl SqliteVfs for DefaultVfs { Err(Error::new_message("Missing function")) } } + */ + Ok(()) } fn delete( @@ -350,6 +354,8 @@ impl DefaultFile { impl SqliteIoMethods for DefaultFile { fn close(&mut self) -> Result<()> { + // This won't be used probably + /* unsafe { if let Some(xClose) = ((*self.default_methods_ptr).xClose) { let result = xClose(self.default_file_ptr); @@ -362,12 +368,16 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } + */ + Ok(()) } - fn read(&mut self, buf: *mut c_void, i_amt: c_int, i_ofst: sqlite3_int64) -> Result<()> { + fn read(&mut self, buf: *mut c_void, i_amt: usize, i_ofst: usize) -> Result<()> { + // This won't be used probably + /* unsafe { if let Some(xRead) = ((*self.default_methods_ptr).xRead) { - let result = xRead(self.default_file_ptr, buf, i_amt, i_ofst); + let result = xRead(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); if result == 1 { Ok(()) } else { @@ -377,17 +387,20 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } + */ + Ok(()) } fn write( &mut self, buf: *const c_void, - i_amt: c_int, - i_ofst: sqlite3_int64, + i_amt: usize, + i_ofst: usize, ) -> Result<()> { + /* unsafe { if let Some(xWrite) = ((*self.default_methods_ptr).xWrite) { - let result = xWrite(self.default_file_ptr,buf, i_amt, i_ofst); + let result = xWrite(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); if result == 1 { Ok(()) } else { @@ -397,12 +410,14 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } + */ + Ok(()) } - fn truncate(&mut self, size: sqlite3_int64) -> Result<()> { + fn truncate(&mut self, size: usize) -> Result<()> { unsafe { if let Some(xTruncate) = ((*self.default_methods_ptr).xTruncate) { - let result = xTruncate(self.default_file_ptr,size); + let result = xTruncate(self.default_file_ptr, size.try_into().unwrap()); if result == 1 { Ok(()) } else { @@ -504,32 +519,22 @@ impl SqliteIoMethods for DefaultFile { } } - fn sector_size(&mut self) -> Result<()> { + fn sector_size(&mut self) -> c_int { unsafe { if let Some(xSectorSize) = ((*self.default_methods_ptr).xSectorSize) { - let result = xSectorSize(self.default_file_ptr); - if result >= 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + xSectorSize(self.default_file_ptr) } else { - Err(Error::new_message("Missing function")) + -1 } } } - fn device_characteristics(&mut self) -> Result<()> { + fn device_characteristics(&mut self) -> c_int { unsafe { if let Some(xDeviceCharacteristics) = ((*self.default_methods_ptr).xDeviceCharacteristics) { - let result = xDeviceCharacteristics(self.default_file_ptr); - if result >= 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + xDeviceCharacteristics(self.default_file_ptr) } else { - Err(Error::new_message("Missing function")) + -1 } } } @@ -590,7 +595,8 @@ impl SqliteIoMethods for DefaultFile { } } - fn fetch(&mut self, i_ofst: sqlite3_int64, i_amt: c_int, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, i_ofst: usize, i_amt: usize, pp: *mut *mut c_void) -> Result<()> { + /* unsafe { if let Some(xFetch) = ((*self.default_methods_ptr).xFetch) { let result = xFetch(self.default_file_ptr,i_ofst, i_amt, pp); @@ -603,9 +609,12 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } + */ + Ok(()) } - fn unfetch(&mut self, i_ofst: sqlite3_int64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { + /* unsafe { if let Some(xUnfetch) = ((*self.default_methods_ptr).xUnfetch) { let result = xUnfetch(self.default_file_ptr,i_ofst, p); @@ -618,6 +627,8 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } + */ + Ok(()) } } \ No newline at end of file diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 5e1abce..5d58a4a 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -32,7 +32,7 @@ pub unsafe extern "C" fn x_read( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).read(buf, iAmt, iOfst) { + match (*b.o_methods).read(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -53,7 +53,7 @@ pub unsafe extern "C" fn x_write( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).write(buf, iAmt, iOfst) { + match (*b.o_methods).write(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -72,7 +72,7 @@ pub unsafe extern "C" fn x_truncate( size: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).truncate(size) { + match (*b.o_methods).truncate(size.try_into().unwrap()) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -204,34 +204,16 @@ pub unsafe extern "C" fn x_file_control( pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).sector_size() { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (*b.o_methods).sector_size(); Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + result } pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).device_characteristics() { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (*b.o_methods).device_characteristics(); Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + result } pub unsafe extern "C" fn x_shm_map( @@ -309,7 +291,7 @@ pub unsafe extern "C" fn x_fetch( pp: *mut *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).fetch(iOfst, iAmt, pp) { + match (*b.o_methods).fetch(iOfst.try_into().unwrap(), iAmt.try_into().unwrap(), pp) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -329,7 +311,7 @@ pub unsafe extern "C" fn x_unfetch( p: *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).unfetch(iOfst, p) { + match (*b.o_methods).unfetch(iOfst.try_into().unwrap(), p) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 06de387..2241efe 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -11,16 +11,16 @@ pub trait SqliteIoMethods { fn read( &mut self, buf: *mut c_void, - i_amt: c_int, - i_ofst: sqlite3_int64, + i_amt: usize, + i_ofst: usize, ) -> Result<()>; fn write( &mut self, buf: *const c_void, - i_amt: c_int, - i_ofst: sqlite3_int64, + i_amt: usize, + i_ofst: usize, ) -> Result<()>; - fn truncate(&mut self, size: sqlite3_int64) -> Result<()>; + fn truncate(&mut self, size: usize) -> Result<()>; fn sync(&mut self, flags: c_int) -> Result<()>; fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()>; fn lock(&mut self, arg2: c_int) -> Result<()>; @@ -34,8 +34,8 @@ pub trait SqliteIoMethods { op: c_int, p_arg: *mut c_void, ) -> Result<()>; - fn sector_size(&mut self) -> Result<()>; - fn device_characteristics(&mut self) -> Result<()>; + fn sector_size(&mut self) -> c_int; + fn device_characteristics(&mut self) -> c_int; fn shm_map( &mut self, i_pg: c_int, @@ -56,13 +56,13 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn fetch( &mut self, - i_ofst: sqlite3_int64, - i_amt: c_int, + i_ofst: usize, + i_amt: usize, pp: *mut *mut c_void, ) -> Result<()>; fn unfetch( &mut self, - i_ofst: sqlite3_int64, + i_ofst: usize, p: *mut c_void, ) -> Result<()>; } From c1b36472796bcfddd4797206d21d3803338e419b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 00:55:54 +0200 Subject: [PATCH 011/142] add functions to load from file, or write to file --- examples/mem_vfs.rs | 100 +++++++++++++++++++++++++++++++++----------- src/vfs/default.rs | 2 +- 2 files changed, 76 insertions(+), 26 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 7488bd5..fbb28cd 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,20 +1,21 @@ //! cargo build --example mem_vfs -//! sqlite3 :memory: '.read examples/test.sql' #![allow(unused)] use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api}; use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use url::Url; use std::collections::HashMap; use std::ffi::CString; +use std::fs::{File, self}; +use std::io::{Write, Read}; use std::os::raw::{c_int, c_void, c_char}; use std::ptr; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find}; +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; @@ -25,20 +26,15 @@ struct MemVfs { default_vfs: DefaultVfs, } -// const MAX_LABEL: &str = "max"; const SIZE_LABEL: &str = "size"; const POINTER_LABEL: &str = "pointer"; impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { let rust_file = MemFile { - size: 0, - max_size: 0, - file_contents: Vec::new(), + file_contents: Vec::new() }; - // TODO finish implementation - /* memset(p, 0, sizeof(*p)); @@ -73,28 +69,27 @@ impl SqliteVfs for MemVfs { */ if let Ok(url) = parsed_uri { + let mut size: usize = 0; + let mut query_map: HashMap = HashMap::new(); for (key, value) in url.query_pairs() { query_map.insert(key.to_string(), value.to_string()); - // if key == MAX_LABEL { - // rust_file.max_size = value.parse().expect("should be an int"); - // } + if key == SIZE_LABEL { - rust_file.size = value.parse().expect("should be an int"); + size = value.parse().expect("should be an int"); } if key == POINTER_LABEL { // Parse the ptr value as a u64 hexadecimal address if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { // Assuming ptr_address is a valid memory address, you can read its contents here. let buffer = - std::slice::from_raw_parts(ptr_address as *const u8, rust_file.size); + std::slice::from_raw_parts(ptr_address as *const u8, size); rust_file.file_contents = buffer.to_vec(); } } } - // !query_map.contains_key(MAX_LABEL) && if !query_map.contains_key(SIZE_LABEL) && !query_map.contains_key(POINTER_LABEL) { @@ -190,8 +185,6 @@ impl SqliteVfs for MemVfs { } struct MemFile { - size: usize, // TODO consider losing this - max_size: usize, // TODO consider losing this file_contents: Vec, } @@ -204,22 +197,18 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn read(&mut self, buf: *mut c_void, i_amt: usize, i_ofst: usize) -> Result<()> { + fn read(&mut self, buf: *mut c_void, size: usize, offset: usize) -> Result<()> { /* - // TODO write requested data to buf memcpy(buf, p->aData+iOfst, iAmt); */ let source = &mut self.file_contents; - let offset = i_ofst; - let size = i_amt; - // TODO do not assume alignment is correct, check unsafe { let src_ptr = source.as_ptr().offset(offset as isize); let dst_ptr = buf; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), size.try_into().unwrap()); + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), size); } Ok(()) @@ -259,7 +248,6 @@ impl SqliteIoMethods for MemFile { Ok(()) } - /// This is unnecessary, since we allocate precisely what we need fn truncate(&mut self, size: usize) -> Result<()> { // original: /* @@ -267,11 +255,14 @@ impl SqliteIoMethods for MemFile { if( size > p->szMax ) { return SQLITE_FULL; } - memset(p->aData + p->sz, 0, size-p->sz); // double the size + memset(p->aData + p->sz, 0, size-p->sz); // extend to what is required } p->sz = size; return SQLITE_OK; */ + + self.file_contents.resize(size, 0); + Ok(()) } @@ -362,11 +353,70 @@ impl SqliteIoMethods for MemFile { } } +/// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" +fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { + let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; + + let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; + let file_size = metadata.len() as usize; + + let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; + let mut file_contents: Vec = Vec::with_capacity(file_size); + file.read_to_end(&mut file_contents).map_err(|_| Error::new_message("can't read to the end"))?; + + let mut heap_buffer: Box<[u8]> = vec![0; file_size].into_boxed_slice(); + unsafe { + ptr::copy_nonoverlapping(file_contents.as_ptr(), heap_buffer.as_mut_ptr(), file_size); + } + + let address_str = format!("0x{:p}", &*heap_buffer as *const [u8]); + + // TODO memory passed here might leak + Box::into_raw(heap_buffer); + + let text_output = format!("file:/mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); + + api::result_text(context, text_output); + + Ok(()) +} + +fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { + let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; + + let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; + let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); + + unsafe { + let db = sqlite3_context_db_handle(context); + + // ? is more idiomatic, but this shouldn't fail + let schema = CString::new("memvfs").expect("should be a valid name"); + let schema_ptr = schema.as_ptr(); + + // workaround for bindings.rs generated with the wrong type + const SQLITE_FCNTL_FILE_POINTER: i32 = 7; + + sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()); + + file.write_all(&(*vfs_file_ptr).file_contents).map_err(|_| Error::new_message("can't write to file"))?; + } + + file.flush().map_err(|_| Error::new_message("can't flush file"))?; + + // TODO really check for memory leaks + Ok(()) +} #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let vfs: sqlite3_vfs = create_vfs( MemVfs { default_vfs: DefaultVfs::new() }, "memvfs", 1024); register_vfs(vfs, true)?; + + let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; + define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; + define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; + Ok(()) } \ No newline at end of file diff --git a/src/vfs/default.rs b/src/vfs/default.rs index e091e83..c31f04f 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -16,7 +16,7 @@ pub struct DefaultVfs { impl DefaultVfs { pub fn new() -> Self { - let vfs = unsafe { sqlite3_vfs_find(ptr::null::()) }; + let vfs = unsafe { sqlite3_vfs_find(ptr::null()) }; Self { default_vfs_ptr: vfs, } From a4f6acd23b388f736dfbdf9be03f5aaf174058b6 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 01:29:56 +0200 Subject: [PATCH 012/142] add test --- examples/mem_vfs.rs | 30 ++- test.sql | 8 +- tests/test_mem_vfs.rs | 421 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 454 insertions(+), 5 deletions(-) create mode 100644 tests/test_mem_vfs.rs diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index fbb28cd..6ee9d0c 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,4 +1,3 @@ -//! cargo build --example mem_vfs #![allow(unused)] use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; @@ -419,4 +418,33 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; Ok(()) +} + +#[cfg(test)] +mod tests { + use super::*; + + use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + + #[test] + fn test_rusqlite_auto_extension() { + unsafe { + sqlite3_auto_extension(Some(std::mem::transmute( + sqlite3_memvfs_init as *const (), + ))); + } + + let conn = Connection::open_in_memory().unwrap(); + + conn.prepare("ATTACH memvfs_from_file('from.db') AS inmem;"); + + // let result: Vec = conn + // .prepare("select value from generate_series_rs(?, ?)") + // .unwrap() + // .query_map([1, 10], |r| r.get(0)) + // .unwrap() + // .collect::, _>>() + // .unwrap(); + // assert_eq!(result, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); + } } \ No newline at end of file diff --git a/test.sql b/test.sql index 0ceaba3..035b298 100644 --- a/test.sql +++ b/test.sql @@ -1,8 +1,8 @@ .mode box .header on -.load target/debug/examples/libin +.load target/debug/examples/libmem_vfs -select * -from vtab_in('xxx') -where y in (select value from json_each('[1,2,"alex", "puppy"]')); +ATTACH memvfs_from_file('from.db') AS inmem; + +memvfs_to_file("to.db") diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs new file mode 100644 index 0000000..169b3fc --- /dev/null +++ b/tests/test_mem_vfs.rs @@ -0,0 +1,421 @@ +#![allow(unused)] + +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::vfs::create_vfs; + +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api}; +use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; +use url::Url; + +use std::collections::HashMap; +use std::ffi::CString; +use std::fs::{File, self}; +use std::io::{Write, Read}; +use std::os::raw::{c_int, c_void, c_char}; +use std::ptr; +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; +use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; +use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; + +/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c +struct MemVfs { + default_vfs: DefaultVfs, +} + +const SIZE_LABEL: &str = "size"; +const POINTER_LABEL: &str = "pointer"; + +impl SqliteVfs for MemVfs { + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + let rust_file = MemFile { + file_contents: Vec::new() + }; + + /* + memset(p, 0, sizeof(*p)); + + if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; + */ + + let cant_open = return Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); + + unsafe { + let uri_ptr = z_name.cast_mut(); + let uri_cstr = CString::from_raw(uri_ptr); + let uri_str = uri_cstr.to_str(); + let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); + + if (flags & SQLITE_OPEN_MAIN_DB) == 0 { + cant_open + } + + /* + p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + + if( p->aData == 0 ) return SQLITE_CANTOPEN; + + p->sz = sqlite3_uri_int64(zName,"sz",0); + + if( p->sz < 0 ) return SQLITE_CANTOPEN; + + // Set MemFile parameter + p->szMax = sqlite3_uri_int64(zName,"max",p->sz); + + if( p->szMaxsz ) return SQLITE_CANTOPEN; + */ + + if let Ok(url) = parsed_uri { + let mut size: usize = 0; + + let mut query_map: HashMap = HashMap::new(); + for (key, value) in url.query_pairs() { + query_map.insert(key.to_string(), value.to_string()); + + if key == SIZE_LABEL { + size = value.parse().expect("should be an int"); + } + if key == POINTER_LABEL { + // Parse the ptr value as a u64 hexadecimal address + if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { + // Assuming ptr_address is a valid memory address, you can read its contents here. + let buffer = + std::slice::from_raw_parts(ptr_address as *const u8, size); + + rust_file.file_contents = buffer.to_vec(); + } + } + } + + if + !query_map.contains_key(SIZE_LABEL) && + !query_map.contains_key(POINTER_LABEL) { + cant_open + } + + } else { + cant_open + } + } + + // Skipped 'freeonclose' parameter', dropping is more idiomatic + /* + // This is implemented and active buy default + p->bFreeOnClose = sqlite3_uri_boolean(zName,"freeonclose",0); + + // This is implemented with traits + pFile->pMethods = &mem_io_methods; + */ + + // TODO figure out how to drop this, store a pointer to the vfs? + unsafe { *p_file = *create_file_pointer( rust_file ); } + + Ok(()) + } + + fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) + } + + fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + unsafe { + *p_res_out = 0; + } + Ok(()) + } + + fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { + // TODO see if format! is actually easier and less unsafe: + // ...format!("{}", CString::new())... + unsafe { sqlite3_snprintf(n_out, z_out, CString::new("%s").expect("should be fine").clone().as_ptr(), z_name); } + Ok(()) + } + + /// From here onwards, all calls are redirected to the default vfs + fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { + self.default_vfs.dl_open(z_filename) + } + + fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char) { + self.default_vfs.dl_error(n_byte, z_err_msg) + } + + fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) -> Option { + self.default_vfs.dl_sym(arg2, z_symbol) + } + + fn dl_close(&mut self, arg2: *mut c_void) { + self.default_vfs.dl_close(arg2) + } + + fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> Result<()> { + self.default_vfs.randomness(n_byte, z_out) + } + + fn sleep(&mut self, microseconds: c_int) -> Result<()> { + self.default_vfs.sleep(microseconds) + } + + fn current_time(&mut self, arg2: *mut f64) -> Result<()> { + self.default_vfs.current_time(arg2) + } + + fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()> { + self.default_vfs.get_last_error(arg2, arg3) + } + + fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> i32 { + self.default_vfs.current_time_int64(arg2) + } + + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { + self.default_vfs.set_system_call(z_name, arg2) + } + + fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { + self.default_vfs.get_system_call(z_name) + } + + fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { + self.default_vfs.next_system_call(z_name) + } +} + +struct MemFile { + file_contents: Vec, +} + +impl SqliteIoMethods for MemFile { + /// The original example contains an explicit deallocation, + /// but the base implementation takes care of that already + /// with a Box::from_raw, that forces the datastructure + /// to drop at the end of the scope + fn close(&mut self) -> Result<()> { + Ok(()) + } + + fn read(&mut self, buf: *mut c_void, size: usize, offset: usize) -> Result<()> { + /* + memcpy(buf, p->aData+iOfst, iAmt); + */ + + let source = &mut self.file_contents; + + // TODO do not assume alignment is correct, check + unsafe { + let src_ptr = source.as_ptr().offset(offset as isize); + let dst_ptr = buf; + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), size); + } + + Ok(()) + } + + fn write(&mut self, buf: *const c_void, size: usize, offset: usize) -> Result<()> { + /* + if( (iOfst + iAmt) > p->sz ) { + // Error if exceeds allocation + if( (iOfst+iAmt) > p->szMax ) { + return SQLITE_FULL; + } + // Pre-allocate space with memset + if( iOfst > p->sz ) { + memset(p->aData + p->sz, 0, iOfst - p->sz); + } + p->sz = iOfst + iAmt; + } + // append buf to memory + memcpy(p->aData + iOfst, buf, iAmt); + return SQLITE_OK; + */ + let new_length = size + offset; + if new_length > self.file_contents.len() { + self.file_contents.resize(new_length, 0); + } + + // Get a mutable pointer to the destination data + let dest_ptr = self.file_contents.as_mut_ptr(); + + // Use copy_from_nonoverlapping to copy data from source to dest + unsafe { + ptr::copy_nonoverlapping(buf.offset(offset as isize), dest_ptr.cast(), size); + self.file_contents.set_len(new_length) + }; + + Ok(()) + } + + fn truncate(&mut self, size: usize) -> Result<()> { + // original: + /* + if( size > p->sz ) { + if( size > p->szMax ) { + return SQLITE_FULL; + } + memset(p->aData + p->sz, 0, size-p->sz); // extend to what is required + } + p->sz = size; + return SQLITE_OK; + */ + + self.file_contents.resize(size, 0); + + Ok(()) + } + + fn sync(&mut self, flags: c_int) -> Result<()> { + Ok(()) + } + + fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } + Ok(()) + } + + fn lock(&mut self, arg2: c_int) -> Result<()> { + Ok(()) + } + + fn unlock(&mut self, arg2: c_int) -> Result<()> { + Ok(()) + } + + fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + // *pResOut = 0 + unsafe{ *p_res_out = 0; } + // TODO consider putting this in a struct + Ok(()) + } + + fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { + /* + int rc = SQLITE_NOTFOUND; + if( op==SQLITE_FCNTL_VFSNAME ){ + *(char**)pArg = sqlite3_mprintf("mem(%p,%lld)", p->aData, p->sz); + rc = SQLITE_OK; + } + // TODO use rust formatting and then create pointers + return rc; + */ + // TODO see if format! is actually easier and less unsafe: + // ...format!("{}", CString::new())... + unsafe { + let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + let out: *mut *mut char = p_arg.cast(); + *out = new_args.cast(); // TODO test with scalar functions + } + + Ok(()) + } + + fn sector_size(&mut self) -> c_int { + 1024 + // TODO consider putting this in a struct + } + + fn device_characteristics(&mut self) -> c_int { + // TODO consider putting this in a struct + SQLITE_IOCAP_ATOMIC | + SQLITE_IOCAP_POWERSAFE_OVERWRITE | + SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_SEQUENTIAL + } + + fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) + } + + fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + // SQLITE_IOERR_SHMLOCK is deprecated? + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) + } + + fn shm_barrier(&mut self) -> Result<()> { + Ok(()) + } + + fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { + Ok(()) + } + + fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { + // orig: *pp = (void*)(p->aData + iOfst); + let memory_location = self.file_contents.as_mut_ptr(); + unsafe { *pp = memory_location.add(offset).cast(); } + Ok(()) + } + + fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { + Ok(()) + } +} + +/// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" +fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { + let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; + + let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; + let file_size = metadata.len() as usize; + + let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; + let mut file_contents: Vec = Vec::with_capacity(file_size); + file.read_to_end(&mut file_contents).map_err(|_| Error::new_message("can't read to the end"))?; + + let mut heap_buffer: Box<[u8]> = vec![0; file_size].into_boxed_slice(); + unsafe { + ptr::copy_nonoverlapping(file_contents.as_ptr(), heap_buffer.as_mut_ptr(), file_size); + } + + let address_str = format!("0x{:p}", &*heap_buffer as *const [u8]); + + // TODO memory passed here might leak + Box::into_raw(heap_buffer); + + let text_output = format!("file:/mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); + + api::result_text(context, text_output); + + Ok(()) +} + +fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { + let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; + + let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; + let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); + + unsafe { + let db = sqlite3_context_db_handle(context); + + // ? is more idiomatic, but this shouldn't fail + let schema = CString::new("memvfs").expect("should be a valid name"); + let schema_ptr = schema.as_ptr(); + + // workaround for bindings.rs generated with the wrong type + const SQLITE_FCNTL_FILE_POINTER: i32 = 7; + + sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()); + + file.write_all(&(*vfs_file_ptr).file_contents).map_err(|_| Error::new_message("can't write to file"))?; + } + + file.flush().map_err(|_| Error::new_message("can't flush file"))?; + + // TODO really check for memory leaks + Ok(()) +} + +#[sqlite_entrypoint_permanent] +pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { + let vfs: sqlite3_vfs = create_vfs( + MemVfs { default_vfs: DefaultVfs::new() }, "memvfs", 1024); + register_vfs(vfs, true)?; + + let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; + define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; + define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; + + Ok(()) +} \ No newline at end of file From 62797e96fa2f2bb4db230f3d5d8daf3f1d743bdc Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 31 Aug 2023 19:58:34 +0200 Subject: [PATCH 013/142] run valgrind on mac M1 etc. --- Dockerfile | 8 ++++++++ run-docker.sh | 8 ++++++++ 2 files changed, 16 insertions(+) create mode 100644 Dockerfile create mode 100644 run-docker.sh diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..b03a82e --- /dev/null +++ b/Dockerfile @@ -0,0 +1,8 @@ +FROM debian:bullseye-slim + +RUN apt-get update && apt-get install -y curl valgrind build-essential clang +# Install Rust +ENV RUST_VERSION=stable +RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=$RUST_VERSION +# Install cargo-valgrind +RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind" diff --git a/run-docker.sh b/run-docker.sh new file mode 100644 index 0000000..0591db1 --- /dev/null +++ b/run-docker.sh @@ -0,0 +1,8 @@ +#!/bin/sh +NAME="valgrind:1.0" +docker image inspect "$NAME" || docker build -t "$NAME" . +docker run -it -v $PWD:/tmp -w /tmp valgrind:1.0 + +# see https://github.com/jfrimmel/cargo-valgrind/pull/58/commits/1c168f296e0b3daa50279c642dd37aecbd85c5ff#L59 +# scan for double frees and leaks +# VALGRINDFLAGS="--leak-check=yes --trace-children=yes" cargo valgrind test From 96300fb624e30734cd49d3241401bcb30b00ba0e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Sep 2023 16:09:54 +0200 Subject: [PATCH 014/142] update docker shell script --- run-docker.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/run-docker.sh b/run-docker.sh index 0591db1..9b80c37 100644 --- a/run-docker.sh +++ b/run-docker.sh @@ -1,7 +1,7 @@ #!/bin/sh -NAME="valgrind:1.0" +NAME="io_uring:1.0" docker image inspect "$NAME" || docker build -t "$NAME" . -docker run -it -v $PWD:/tmp -w /tmp valgrind:1.0 +docker run -it -v $PWD:/tmp -w /tmp $NAME # see https://github.com/jfrimmel/cargo-valgrind/pull/58/commits/1c168f296e0b3daa50279c642dd37aecbd85c5ff#L59 # scan for double frees and leaks From 3070d572bb04f6dd401526d85e7e4c1e929d958b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 01:47:45 +0200 Subject: [PATCH 015/142] move test to tests --- examples/mem_vfs.rs | 29 ----------------------------- tests/test_mem_vfs.rs | 29 +++++++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 29 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 6ee9d0c..9f9fffa 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -419,32 +419,3 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { Ok(()) } - -#[cfg(test)] -mod tests { - use super::*; - - use rusqlite::{ffi::sqlite3_auto_extension, Connection}; - - #[test] - fn test_rusqlite_auto_extension() { - unsafe { - sqlite3_auto_extension(Some(std::mem::transmute( - sqlite3_memvfs_init as *const (), - ))); - } - - let conn = Connection::open_in_memory().unwrap(); - - conn.prepare("ATTACH memvfs_from_file('from.db') AS inmem;"); - - // let result: Vec = conn - // .prepare("select value from generate_series_rs(?, ?)") - // .unwrap() - // .query_map([1, 10], |r| r.get(0)) - // .unwrap() - // .collect::, _>>() - // .unwrap(); - // assert_eq!(result, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); - } -} \ No newline at end of file diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 169b3fc..6ee9d0c 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -418,4 +418,33 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; Ok(()) +} + +#[cfg(test)] +mod tests { + use super::*; + + use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + + #[test] + fn test_rusqlite_auto_extension() { + unsafe { + sqlite3_auto_extension(Some(std::mem::transmute( + sqlite3_memvfs_init as *const (), + ))); + } + + let conn = Connection::open_in_memory().unwrap(); + + conn.prepare("ATTACH memvfs_from_file('from.db') AS inmem;"); + + // let result: Vec = conn + // .prepare("select value from generate_series_rs(?, ?)") + // .unwrap() + // .query_map([1, 10], |r| r.get(0)) + // .unwrap() + // .collect::, _>>() + // .unwrap(); + // assert_eq!(result, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); + } } \ No newline at end of file From 4c7b54563aaa72fbabf648dcad1970172152aac9 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 02:06:19 +0200 Subject: [PATCH 016/142] fix address --- examples/mem_vfs.rs | 5 +++-- tests/test_mem_vfs.rs | 16 ++++------------ 2 files changed, 7 insertions(+), 14 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 9f9fffa..9b49bf8 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -368,10 +368,11 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - ptr::copy_nonoverlapping(file_contents.as_ptr(), heap_buffer.as_mut_ptr(), file_size); } - let address_str = format!("0x{:p}", &*heap_buffer as *const [u8]); + let box_ptr = Box::into_raw(heap_buffer); + + let address_str = format!("{:p}", ptr::addr_of!(box_ptr)); // TODO memory passed here might leak - Box::into_raw(heap_buffer); let text_output = format!("file:/mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 6ee9d0c..4d064da 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -368,10 +368,11 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - ptr::copy_nonoverlapping(file_contents.as_ptr(), heap_buffer.as_mut_ptr(), file_size); } - let address_str = format!("0x{:p}", &*heap_buffer as *const [u8]); + let box_ptr = Box::into_raw(heap_buffer); + + let address_str = format!("{:p}", ptr::addr_of!(box_ptr)); // TODO memory passed here might leak - Box::into_raw(heap_buffer); let text_output = format!("file:/mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); @@ -436,15 +437,6 @@ mod tests { let conn = Connection::open_in_memory().unwrap(); - conn.prepare("ATTACH memvfs_from_file('from.db') AS inmem;"); - - // let result: Vec = conn - // .prepare("select value from generate_series_rs(?, ?)") - // .unwrap() - // .query_map([1, 10], |r| r.get(0)) - // .unwrap() - // .collect::, _>>() - // .unwrap(); - // assert_eq!(result, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); + conn.execute("ATTACH memvfs_from_file('from.db') AS inmem;", ()); } } \ No newline at end of file From 6a6f4a24c006d19dcb05c580af56ad9433efb5d1 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 02:41:23 +0200 Subject: [PATCH 017/142] test result: no such vfs: memvfs -- wtf So the vfs is not loading on sqlite3 it seems to run open and break down on the rusql --- src/vfs/vfs.rs | 8 +++----- test.sql | 2 +- tests/test_mem_vfs.rs | 5 +++++ 3 files changed, 9 insertions(+), 6 deletions(-) diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index d00b14e..e83526a 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -6,7 +6,7 @@ use std::ffi::CString; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; -use crate::ErrorKind; +use crate::{ErrorKind, Error}; use super::traits::SqliteVfs; @@ -260,9 +260,7 @@ pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> } } - - -pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> Result<(), String> { +pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result<()> { let translate_to_int = if make_default { 1 } else { 0 }; let result = unsafe { sqlite3_vfs_register(Box::into_raw(Box::new(vfs)), @@ -271,6 +269,6 @@ pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> Result<(), String> if result == 0 { Ok(()) } else { - Err(format!("sqlite3_vfs_register failed with error code: {}", result)) + Err(Error::new_message(format!("sqlite3_vfs_register failed with error code: {}", result))) } } \ No newline at end of file diff --git a/test.sql b/test.sql index 035b298..df58789 100644 --- a/test.sql +++ b/test.sql @@ -5,4 +5,4 @@ ATTACH memvfs_from_file('from.db') AS inmem; -memvfs_to_file("to.db") +#memvfs_to_file("to.db") diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 4d064da..98f4ec3 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -438,5 +438,10 @@ mod tests { let conn = Connection::open_in_memory().unwrap(); conn.execute("ATTACH memvfs_from_file('from.db') AS inmem;", ()); + + conn.execute("CREATE TABLE t3(x, y)", ()); + conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); + + conn.execute("memvfs_to_file('to.db')", ()); } } \ No newline at end of file From 909f2144895c66cae7edb26f0906c5309fae6a18 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 03:50:15 +0200 Subject: [PATCH 018/142] fixed careless copy/paste stuff unindented unsafe blocks now we have panics due to misalignment when calling Default --- examples/mem_vfs.rs | 125 ++++++++++++++++++++--------------------- src/vfs/default.rs | 40 ++++--------- src/vfs/traits.rs | 6 +- src/vfs/vfs.rs | 39 ++----------- test.sql | 3 +- tests/test_mem_vfs.rs | 127 +++++++++++++++++++++--------------------- 6 files changed, 145 insertions(+), 195 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 9b49bf8..b36a810 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -9,7 +9,7 @@ use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use url::Url; use std::collections::HashMap; -use std::ffi::CString; +use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read}; use std::os::raw::{c_int, c_void, c_char}; @@ -30,7 +30,7 @@ const POINTER_LABEL: &str = "pointer"; impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { - let rust_file = MemFile { + let mut rust_file = MemFile { file_contents: Vec::new() }; @@ -40,64 +40,61 @@ impl SqliteVfs for MemVfs { if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; */ - let cant_open = return Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); + let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - unsafe { - let uri_ptr = z_name.cast_mut(); - let uri_cstr = CString::from_raw(uri_ptr); - let uri_str = uri_cstr.to_str(); - let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); - - if (flags & SQLITE_OPEN_MAIN_DB) == 0 { - cant_open - } - - /* - p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + let uri_cstr = unsafe { CStr::from_ptr(z_name) }; + let uri_str = uri_cstr.to_str(); + let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); - if( p->aData == 0 ) return SQLITE_CANTOPEN; + if (flags & SQLITE_OPEN_MAIN_DB) == 0 { + return cant_open; + } - p->sz = sqlite3_uri_int64(zName,"sz",0); - - if( p->sz < 0 ) return SQLITE_CANTOPEN; - - // Set MemFile parameter - p->szMax = sqlite3_uri_int64(zName,"max",p->sz); - - if( p->szMaxsz ) return SQLITE_CANTOPEN; - */ + /* + p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + + if( p->aData == 0 ) return SQLITE_CANTOPEN; + + p->sz = sqlite3_uri_int64(zName,"sz",0); + + if( p->sz < 0 ) return SQLITE_CANTOPEN; + + // Set MemFile parameter + p->szMax = sqlite3_uri_int64(zName,"max",p->sz); + + if( p->szMaxsz ) return SQLITE_CANTOPEN; + */ - if let Ok(url) = parsed_uri { - let mut size: usize = 0; + if let Ok(url) = parsed_uri { + let mut size: usize = 0; - let mut query_map: HashMap = HashMap::new(); - for (key, value) in url.query_pairs() { - query_map.insert(key.to_string(), value.to_string()); + let mut query_map: HashMap = HashMap::new(); + for (key, value) in url.query_pairs() { + query_map.insert(key.to_string(), value.to_string()); - if key == SIZE_LABEL { - size = value.parse().expect("should be an int"); - } - if key == POINTER_LABEL { - // Parse the ptr value as a u64 hexadecimal address - if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { - // Assuming ptr_address is a valid memory address, you can read its contents here. - let buffer = - std::slice::from_raw_parts(ptr_address as *const u8, size); - - rust_file.file_contents = buffer.to_vec(); - } - } + if key == SIZE_LABEL { + size = value.parse().expect("should be an int"); } - - if - !query_map.contains_key(SIZE_LABEL) && - !query_map.contains_key(POINTER_LABEL) { - cant_open + if key == POINTER_LABEL { + // Parse the ptr value as a u64 hexadecimal address + if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { + // Assuming ptr_address is a valid memory address, you can read its contents here. + let buffer = + unsafe { std::slice::from_raw_parts(ptr_address as *const u8, size) }; + + rust_file.file_contents = buffer.to_vec(); + } } + } - } else { - cant_open + if + !query_map.contains_key(SIZE_LABEL) && + !query_map.contains_key(POINTER_LABEL) { + return cant_open; } + + } else { + return cant_open; } // Skipped 'freeonclose' parameter', dropping is more idiomatic @@ -150,15 +147,15 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_close(arg2) } - fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> Result<()> { + fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int { self.default_vfs.randomness(n_byte, z_out) } - fn sleep(&mut self, microseconds: c_int) -> Result<()> { + fn sleep(&mut self, microseconds: c_int) -> c_int { self.default_vfs.sleep(microseconds) } - fn current_time(&mut self, arg2: *mut f64) -> Result<()> { + fn current_time(&mut self, arg2: *mut f64) -> c_int { self.default_vfs.current_time(arg2) } @@ -374,7 +371,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // TODO memory passed here might leak - let text_output = format!("file:/mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file://mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); api::result_text(context, text_output); @@ -387,20 +384,20 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); - unsafe { - let db = sqlite3_context_db_handle(context); + let db = unsafe { sqlite3_context_db_handle(context) }; - // ? is more idiomatic, but this shouldn't fail - let schema = CString::new("memvfs").expect("should be a valid name"); - let schema_ptr = schema.as_ptr(); + // ? is more idiomatic, but this shouldn't fail + let schema = CString::new("memvfs").expect("should be a valid name"); + let schema_ptr = schema.as_ptr(); - // workaround for bindings.rs generated with the wrong type - const SQLITE_FCNTL_FILE_POINTER: i32 = 7; + // workaround for bindings.rs generated with the wrong type + const SQLITE_FCNTL_FILE_POINTER: i32 = 7; - sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()); + unsafe { sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; - file.write_all(&(*vfs_file_ptr).file_contents).map_err(|_| Error::new_message("can't write to file"))?; - } + let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; + + file.write_all(&file_contents).map_err(|_| Error::new_message("can't write to file"))?; file.flush().map_err(|_| Error::new_message("can't flush file"))?; diff --git a/src/vfs/default.rs b/src/vfs/default.rs index c31f04f..f04a7f4 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -192,22 +192,16 @@ impl SqliteVfs for DefaultVfs { &mut self, n_byte: c_int, z_out: *mut c_char, - ) -> Result<()> { + ) -> c_int { unsafe { if let Some(xRandomness) = ((*self.default_vfs_ptr).xRandomness) { - let result = xRandomness( + xRandomness( self.default_vfs_ptr, n_byte, z_out, - ); - - if result == 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + ) } else { - Err(Error::new_message("Missing function")) + -1 } } } @@ -215,37 +209,25 @@ impl SqliteVfs for DefaultVfs { fn sleep( &mut self, microseconds: c_int, - ) -> Result<()> { + ) -> c_int { unsafe { if let Some(xSleep) = ((*self.default_vfs_ptr).xSleep) { - let result = xSleep( + xSleep( self.default_vfs_ptr, microseconds, - ); - - if result == 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + ) } else { - Err(Error::new_message("Missing function")) + -1 } } } - fn current_time(&mut self, arg2: *mut f64) -> Result<()> { + fn current_time(&mut self, arg2: *mut f64) -> c_int { unsafe { if let Some(xCurrentTime) = ((*self.default_vfs_ptr).xCurrentTime) { - let result = xCurrentTime(self.default_vfs_ptr, arg2); - - if result == 0 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + xCurrentTime(self.default_vfs_ptr, arg2) } else { - Err(Error::new_message("Missing function")) + -1 } } } diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 2241efe..8a8f8ef 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -126,14 +126,14 @@ pub trait SqliteVfs { &mut self, n_byte: c_int, z_out: *mut c_char, - ) -> Result<()>; + ) -> c_int; fn sleep( &mut self, microseconds: c_int, - ) -> Result<()>; + ) -> c_int; - fn current_time(&mut self, arg2: *mut f64) -> Result<()>; + fn current_time(&mut self, arg2: *mut f64) -> c_int; fn get_last_error( &mut self, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index e83526a..7f01d3c 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -113,50 +113,23 @@ pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_han pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { let mut b = Box::::from_raw(p_vfs.cast::()); - match b.randomness(n_byte, z_out) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = b.randomness(n_byte, z_out); Box::into_raw(b); // Drop in close - 0 + result } pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { let mut b = Box::::from_raw(p_vfs.cast::()); - match b.sleep(microseconds) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = b.sleep(microseconds); Box::into_raw(b); // Drop in close - 0 + result } pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { let mut b = Box::::from_raw(p_vfs.cast::()); - match b.current_time(p_time) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = b.current_time(p_time); Box::into_raw(b); // Drop in close - 0 + result } pub unsafe extern "C" fn x_get_last_error( diff --git a/test.sql b/test.sql index df58789..bafe6f9 100644 --- a/test.sql +++ b/test.sql @@ -3,6 +3,7 @@ .load target/debug/examples/libmem_vfs -ATTACH memvfs_from_file('from.db') AS inmem; +select memvfs_from_file('from.db'); +#ATTACH memvfs_from_file('from.db') AS inmem; #memvfs_to_file("to.db") diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 98f4ec3..294b2e6 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -9,7 +9,7 @@ use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use url::Url; use std::collections::HashMap; -use std::ffi::CString; +use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read}; use std::os::raw::{c_int, c_void, c_char}; @@ -30,7 +30,7 @@ const POINTER_LABEL: &str = "pointer"; impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { - let rust_file = MemFile { + let mut rust_file = MemFile { file_contents: Vec::new() }; @@ -40,64 +40,61 @@ impl SqliteVfs for MemVfs { if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; */ - let cant_open = return Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); + let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - unsafe { - let uri_ptr = z_name.cast_mut(); - let uri_cstr = CString::from_raw(uri_ptr); - let uri_str = uri_cstr.to_str(); - let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); - - if (flags & SQLITE_OPEN_MAIN_DB) == 0 { - cant_open - } - - /* - p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + let uri_cstr = unsafe { CStr::from_ptr(z_name) }; + let uri_str = uri_cstr.to_str(); + let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); - if( p->aData == 0 ) return SQLITE_CANTOPEN; + if (flags & SQLITE_OPEN_MAIN_DB) == 0 { + return cant_open; + } - p->sz = sqlite3_uri_int64(zName,"sz",0); - - if( p->sz < 0 ) return SQLITE_CANTOPEN; - - // Set MemFile parameter - p->szMax = sqlite3_uri_int64(zName,"max",p->sz); - - if( p->szMaxsz ) return SQLITE_CANTOPEN; - */ + /* + p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); + + if( p->aData == 0 ) return SQLITE_CANTOPEN; + + p->sz = sqlite3_uri_int64(zName,"sz",0); + + if( p->sz < 0 ) return SQLITE_CANTOPEN; + + // Set MemFile parameter + p->szMax = sqlite3_uri_int64(zName,"max",p->sz); + + if( p->szMaxsz ) return SQLITE_CANTOPEN; + */ - if let Ok(url) = parsed_uri { - let mut size: usize = 0; + if let Ok(url) = parsed_uri { + let mut size: usize = 0; - let mut query_map: HashMap = HashMap::new(); - for (key, value) in url.query_pairs() { - query_map.insert(key.to_string(), value.to_string()); + let mut query_map: HashMap = HashMap::new(); + for (key, value) in url.query_pairs() { + query_map.insert(key.to_string(), value.to_string()); - if key == SIZE_LABEL { - size = value.parse().expect("should be an int"); - } - if key == POINTER_LABEL { - // Parse the ptr value as a u64 hexadecimal address - if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { - // Assuming ptr_address is a valid memory address, you can read its contents here. - let buffer = - std::slice::from_raw_parts(ptr_address as *const u8, size); - - rust_file.file_contents = buffer.to_vec(); - } - } + if key == SIZE_LABEL { + size = value.parse().expect("should be an int"); } - - if - !query_map.contains_key(SIZE_LABEL) && - !query_map.contains_key(POINTER_LABEL) { - cant_open + if key == POINTER_LABEL { + // Parse the ptr value as a u64 hexadecimal address + if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { + // Assuming ptr_address is a valid memory address, you can read its contents here. + let buffer = + unsafe { std::slice::from_raw_parts(ptr_address as *const u8, size) }; + + rust_file.file_contents = buffer.to_vec(); + } } + } - } else { - cant_open + if + !query_map.contains_key(SIZE_LABEL) && + !query_map.contains_key(POINTER_LABEL) { + return cant_open; } + + } else { + return cant_open; } // Skipped 'freeonclose' parameter', dropping is more idiomatic @@ -150,15 +147,15 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_close(arg2) } - fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> Result<()> { - self.default_vfs.randomness(n_byte, z_out) + fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int { + self.default_vfs.randomness(n_byte, z_out) } - fn sleep(&mut self, microseconds: c_int) -> Result<()> { + fn sleep(&mut self, microseconds: c_int) -> c_int { self.default_vfs.sleep(microseconds) } - fn current_time(&mut self, arg2: *mut f64) -> Result<()> { + fn current_time(&mut self, arg2: *mut f64) -> c_int { self.default_vfs.current_time(arg2) } @@ -374,7 +371,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // TODO memory passed here might leak - let text_output = format!("file:/mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file://mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); api::result_text(context, text_output); @@ -387,20 +384,20 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); - unsafe { - let db = sqlite3_context_db_handle(context); + let db = unsafe { sqlite3_context_db_handle(context) }; - // ? is more idiomatic, but this shouldn't fail - let schema = CString::new("memvfs").expect("should be a valid name"); - let schema_ptr = schema.as_ptr(); + // ? is more idiomatic, but this shouldn't fail + let schema = CString::new("memvfs").expect("should be a valid name"); + let schema_ptr = schema.as_ptr(); - // workaround for bindings.rs generated with the wrong type - const SQLITE_FCNTL_FILE_POINTER: i32 = 7; + // workaround for bindings.rs generated with the wrong type + const SQLITE_FCNTL_FILE_POINTER: i32 = 7; - sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()); + unsafe { sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; - file.write_all(&(*vfs_file_ptr).file_contents).map_err(|_| Error::new_message("can't write to file"))?; - } + let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; + + file.write_all(&file_contents).map_err(|_| Error::new_message("can't write to file"))?; file.flush().map_err(|_| Error::new_message("can't flush file"))?; From 83f4509f1d5d0db07ab7ea1b5b72a674b58f7936 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 04:11:13 +0200 Subject: [PATCH 019/142] removed unnecessary call to default vfs --- src/vfs/vfs.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 7f01d3c..445efae 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -197,7 +197,6 @@ pub unsafe extern "C" fn x_next_system_call( pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { unsafe { - let default_vfs_ptr = sqlite3_vfs_find(ptr::null()); let vfs_ptr = Box::into_raw(Box::::new(vfs)); let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same let vfs_name = CString::new(name).expect("valid string"); From 38ee9d5bbe3a6fb1fbc1fc696858809b9314ebe6 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 06:17:12 +0200 Subject: [PATCH 020/142] update dep --- Cargo.lock | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index d50fb10..754ad49 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -262,9 +262,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55" [[package]] name = "libc" -version = "0.2.133" +version = "0.2.148" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c0f80d65747a3e43d1596c7c5492d95d5edddaabd45a7fcdb02b95f644164966" +checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b" [[package]] name = "libloading" From 7d6c8e44545b8557827208a2f9f68943cd62a8da Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 15:00:20 +0200 Subject: [PATCH 021/142] add pahole to diagnose alignment issues --- Dockerfile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Dockerfile b/Dockerfile index b03a82e..0daf5eb 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,6 +1,6 @@ FROM debian:bullseye-slim -RUN apt-get update && apt-get install -y curl valgrind build-essential clang +RUN apt-get update && apt-get install -y curl valgrind build-essential clang pahole # Install Rust ENV RUST_VERSION=stable RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=$RUST_VERSION From ac3db3efde57b28e5b7a7ae24e3e83c062029e70 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 18:06:30 +0200 Subject: [PATCH 022/142] fixed maligned issue --- examples/mem_vfs.rs | 29 +++++-- src/lib.rs | 2 +- src/vfs/default.rs | 188 +++++++++++++++--------------------------- test.sql | 13 ++- tests/test_mem_vfs.rs | 27 ++++-- 5 files changed, 120 insertions(+), 139 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index b36a810..3288468 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -27,6 +27,7 @@ struct MemVfs { const SIZE_LABEL: &str = "size"; const POINTER_LABEL: &str = "pointer"; +const EXTENSION_NAME: &str = "memvfs"; impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { @@ -124,9 +125,21 @@ impl SqliteVfs for MemVfs { } fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { - // TODO see if format! is actually easier and less unsafe: - // ...format!("{}", CString::new())... - unsafe { sqlite3_snprintf(n_out, z_out, CString::new("%s").expect("should be fine").clone().as_ptr(), z_name); } + let z_path_str = unsafe { CStr::from_ptr(z_name) }; + let z_path_rust = z_path_str.to_str().expect("Invalid UTF-8 in zPath"); + + let formatted = format!("{}", z_path_rust); + let formatted_c = CString::new(formatted).expect("Failed to create CString"); + + // Copy the formatted string to zOut, also endl? + unsafe { + std::ptr::copy_nonoverlapping( + formatted_c.as_ptr(), + z_out, + std::cmp::min(n_out as usize, formatted_c.as_bytes().len()) + ); + } + Ok(()) } @@ -148,7 +161,7 @@ impl SqliteVfs for MemVfs { } fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int { - self.default_vfs.randomness(n_byte, z_out) + self.default_vfs.randomness(n_byte, z_out) } fn sleep(&mut self, microseconds: c_int) -> c_int { @@ -299,7 +312,7 @@ impl SqliteIoMethods for MemFile { // TODO see if format! is actually easier and less unsafe: // ...format!("{}", CString::new())... unsafe { - let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); let out: *mut *mut char = p_arg.cast(); *out = new_args.cast(); // TODO test with scalar functions } @@ -371,7 +384,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // TODO memory passed here might leak - let text_output = format!("file://mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file:/mem?vfs={}&{}={}&{}={}", EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); api::result_text(context, text_output); @@ -387,7 +400,7 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let db = unsafe { sqlite3_context_db_handle(context) }; // ? is more idiomatic, but this shouldn't fail - let schema = CString::new("memvfs").expect("should be a valid name"); + let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); let schema_ptr = schema.as_ptr(); // workaround for bindings.rs generated with the wrong type @@ -408,7 +421,7 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let vfs: sqlite3_vfs = create_vfs( - MemVfs { default_vfs: DefaultVfs::new() }, "memvfs", 1024); + MemVfs { default_vfs: DefaultVfs {} }, EXTENSION_NAME, 1024); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; diff --git a/src/lib.rs b/src/lib.rs index 6c686e7..c9044de 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -3,7 +3,7 @@ pub mod api; pub mod collation; -mod constants; +pub mod constants; pub mod entrypoints; pub mod errors; diff --git a/src/vfs/default.rs b/src/vfs/default.rs index f04a7f4..86697a7 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -1,28 +1,21 @@ #![ allow(unused)] #![ allow(non_snake_case)] +use crate::constants::{SQLITE_OKAY, SQLITE_ERROR}; + use crate::{Error, SqliteIoMethods}; use super::super::{Result, vfs::traits::SqliteVfs}; use std::{os::raw::{c_int, c_void, c_char}, ptr}; -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, SQLITE_OK, sqlite3_vfs, sqlite3_vfs_find}; - +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find}; -pub struct DefaultVfs { - default_vfs_ptr: *mut sqlite3_vfs, -} - -impl DefaultVfs { - pub fn new() -> Self { - let vfs = unsafe { sqlite3_vfs_find(ptr::null()) }; - Self { - default_vfs_ptr: vfs, - } - } +unsafe fn default_vfs() -> *mut sqlite3_vfs { + sqlite3_vfs_find(ptr::null()) } +pub struct DefaultVfs {} impl SqliteVfs for DefaultVfs { fn open( @@ -32,29 +25,18 @@ impl SqliteVfs for DefaultVfs { flags: c_int, p_out_flags: *mut c_int, ) -> Result<()> { - // This won't be used probably - /* unsafe { - if let Some(xOpen) = ((*self.default_vfs_ptr).xOpen) { - let result = xOpen( - self.default_vfs_ptr, - z_name, - p_file, - flags, - p_out_flags, - ); - - if result == 0 { + if let Some(xOpen) = (*default_vfs()).xOpen { + let result = xOpen(default_vfs(), z_name, p_file, flags, p_out_flags); + if result == SQLITE_OKAY { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) } } else { - Err(Error::new_message("Missing function")) + Ok(()) } } - */ - Ok(()) } fn delete( @@ -63,20 +45,15 @@ impl SqliteVfs for DefaultVfs { sync_dir: c_int, ) -> Result<()> { unsafe { - if let Some(xDelete) = ((*self.default_vfs_ptr).xDelete) { - let result = xDelete( - self.default_vfs_ptr, - z_name, - sync_dir, - ); - - if result == 0 { + if let Some(xDelete) = (*default_vfs()).xDelete { + let result = xDelete(default_vfs(), z_name, sync_dir); + if result == SQLITE_OKAY { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) } } else { - Err(Error::new_message("Missing function")) + Ok(()) } } } @@ -88,21 +65,15 @@ impl SqliteVfs for DefaultVfs { p_res_out: *mut c_int, ) -> Result<()> { unsafe { - if let Some(xAccess) = ((*self.default_vfs_ptr).xAccess) { - let result = xAccess( - self.default_vfs_ptr, - z_name, - flags, - p_res_out, - ); - - if result == 0 { + if let Some(xAccess) = (*default_vfs()).xAccess { + let result = xAccess(default_vfs(), z_name, flags, p_res_out); + if result == SQLITE_OKAY { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) } } else { - Err(Error::new_message("Missing function")) + Ok(()) } } } @@ -114,21 +85,15 @@ impl SqliteVfs for DefaultVfs { z_out: *mut c_char, ) -> Result<()> { unsafe { - if let Some(xFullPathname) = ((*self.default_vfs_ptr).xFullPathname) { - let result = xFullPathname( - self.default_vfs_ptr, - z_name, - n_out, - z_out, - ); - - if result == 0 { + if let Some(xFullPathname) = (*default_vfs()).xFullPathname { + let result = xFullPathname(default_vfs(), z_name, n_out, z_out); + if result == SQLITE_OKAY { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) } } else { - Err(Error::new_message("Missing function")) + Ok(()) } } } @@ -138,10 +103,10 @@ impl SqliteVfs for DefaultVfs { z_filename: *const c_char, ) -> *mut c_void { unsafe { - if let Some(xDlOpen) = ((*self.default_vfs_ptr).xDlOpen) { - xDlOpen(self.default_vfs_ptr, z_filename) + if let Some(xDlOpen) = (*default_vfs()).xDlOpen { + xDlOpen(default_vfs(), z_filename) } else { - std::ptr::null_mut() // Return null pointer or handle missing function appropriately + ptr::null_mut() } } } @@ -152,8 +117,8 @@ impl SqliteVfs for DefaultVfs { z_err_msg: *mut c_char, ) { unsafe { - if let Some(xDlError) = ((*self.default_vfs_ptr).xDlError) { - xDlError(self.default_vfs_ptr, n_byte, z_err_msg); + if let Some(xDlError) = (*default_vfs()).xDlError { + xDlError(default_vfs(), n_byte, z_err_msg); } } } @@ -162,28 +127,24 @@ impl SqliteVfs for DefaultVfs { &mut self, arg2: *mut c_void, z_symbol: *const c_char, - ) -> Option< - unsafe extern "C" fn( - arg1: *mut sqlite3_vfs, - arg2: *mut c_void, - z_symbol: *const c_char, - ), - > { + ) -> Option { unsafe { - if let Some(xDlSym) = ((*self.default_vfs_ptr).xDlSym) { - xDlSym(self.default_vfs_ptr, arg2, z_symbol) + if let Some(xDlSym) = (*default_vfs()).xDlSym { + // Some(xDlSym(default_vfs(), arg2, z_symbol)) // TODO + None } else { - None // TODO Handle missing function appropriately + None } } } - fn dl_close(&mut self, arg2: *mut c_void) { + fn dl_close( + &mut self, + arg2: *mut c_void, + ) { unsafe { - if let Some(xDlClose) = ((*self.default_vfs_ptr).xDlClose) { - xDlClose(self.default_vfs_ptr, arg2); - } else { - // TODO Handle missing function appropriately (e.g., log an error) + if let Some(xDlClose) = (*default_vfs()).xDlClose { + xDlClose(default_vfs(), arg2); } } } @@ -194,14 +155,10 @@ impl SqliteVfs for DefaultVfs { z_out: *mut c_char, ) -> c_int { unsafe { - if let Some(xRandomness) = ((*self.default_vfs_ptr).xRandomness) { - xRandomness( - self.default_vfs_ptr, - n_byte, - z_out, - ) + if let Some(xRandomness) = (*default_vfs()).xRandomness { + xRandomness(default_vfs(), n_byte, z_out) } else { - -1 + SQLITE_ERROR } } } @@ -211,23 +168,23 @@ impl SqliteVfs for DefaultVfs { microseconds: c_int, ) -> c_int { unsafe { - if let Some(xSleep) = ((*self.default_vfs_ptr).xSleep) { - xSleep( - self.default_vfs_ptr, - microseconds, - ) + if let Some(xSleep) = (*default_vfs()).xSleep { + xSleep(default_vfs(), microseconds) } else { - -1 + SQLITE_ERROR } } } - fn current_time(&mut self, arg2: *mut f64) -> c_int { + fn current_time( + &mut self, + arg2: *mut f64, + ) -> c_int { unsafe { - if let Some(xCurrentTime) = ((*self.default_vfs_ptr).xCurrentTime) { - xCurrentTime(self.default_vfs_ptr, arg2) + if let Some(xCurrentTime) = (*default_vfs()).xCurrentTime { + xCurrentTime(default_vfs(), arg2) } else { - -1 + SQLITE_ERROR } } } @@ -238,20 +195,15 @@ impl SqliteVfs for DefaultVfs { arg3: *mut c_char, ) -> Result<()> { unsafe { - if let Some(xGetLastError) = ((*self.default_vfs_ptr).xGetLastError) { - let result = xGetLastError( - self.default_vfs_ptr, - arg2, - arg3, - ); - - if result == 0 { + if let Some(xGetLastError) = (*default_vfs()).xGetLastError { + let result = xGetLastError(default_vfs(), arg2, arg3); + if result == SQLITE_OKAY { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) } } else { - Err(Error::new_message("Missing function")) + Ok(()) } } } @@ -261,11 +213,10 @@ impl SqliteVfs for DefaultVfs { arg2: *mut sqlite3_int64, ) -> c_int { unsafe { - if let Some(xCurrentTimeInt64) = ((*self.default_vfs_ptr).xCurrentTimeInt64) { - xCurrentTimeInt64(self.default_vfs_ptr, arg2) + if let Some(xCurrentTimeInt64) = (*default_vfs()).xCurrentTimeInt64 { + xCurrentTimeInt64(default_vfs(), arg2) } else { - // Err(Error::new_message("Missing function")) - -1 + SQLITE_ERROR } } } @@ -276,16 +227,10 @@ impl SqliteVfs for DefaultVfs { arg2: sqlite3_syscall_ptr, ) -> c_int { unsafe { - if let Some(xSetSystemCall) = ((*self.default_vfs_ptr).xSetSystemCall) { - xSetSystemCall( - self.default_vfs_ptr, - z_name, - arg2, - ) - + if let Some(xSetSystemCall) = (*default_vfs()).xSetSystemCall { + xSetSystemCall(default_vfs(), z_name, arg2) } else { - // Err(Error::new_message("Missing function")) - -1 + SQLITE_ERROR } } } @@ -295,8 +240,8 @@ impl SqliteVfs for DefaultVfs { z_name: *const c_char, ) -> sqlite3_syscall_ptr { unsafe { - if let Some(xGetSystemCall) = ((*self.default_vfs_ptr).xGetSystemCall) { - xGetSystemCall(self.default_vfs_ptr, z_name) + if let Some(xGetSystemCall) = (*default_vfs()).xGetSystemCall { + xGetSystemCall(default_vfs(), z_name) } else { None } @@ -308,10 +253,10 @@ impl SqliteVfs for DefaultVfs { z_name: *const c_char, ) -> *const c_char { unsafe { - if let Some(xNextSystemCall) = ((*self.default_vfs_ptr).xNextSystemCall) { - xNextSystemCall(self.default_vfs_ptr, z_name) + if let Some(xNextSystemCall) = (*default_vfs()).xNextSystemCall { + xNextSystemCall(default_vfs(), z_name) } else { - std::ptr::null() + ptr::null() } } } @@ -319,6 +264,7 @@ impl SqliteVfs for DefaultVfs { /// See ORIGFILE https://www.sqlite.org/src/file?name=ext/misc/cksumvfs.c +/// TODO Do the same less dynamic implementation of DefaultVfs to DefaultFile struct DefaultFile { default_methods_ptr: *mut sqlite3_io_methods, default_file_ptr: *mut sqlite3_file, diff --git a/test.sql b/test.sql index bafe6f9..de71cb4 100644 --- a/test.sql +++ b/test.sql @@ -5,5 +5,14 @@ select memvfs_from_file('from.db'); -#ATTACH memvfs_from_file('from.db') AS inmem; -#memvfs_to_file("to.db") +ATTACH memvfs_from_file('from.db') AS inmem; + +CREATE TABLE t3(x, y); + +INSERT INTO t3 VALUES('a', 4), + ('b', 5), + ('c', 3), + ('d', 8), + ('e', 1); + +select memvfs_to_file("to.db"); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 294b2e6..a92d0b6 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -27,6 +27,7 @@ struct MemVfs { const SIZE_LABEL: &str = "size"; const POINTER_LABEL: &str = "pointer"; +const EXTENSION_NAME: &str = "memvfs"; impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { @@ -124,9 +125,21 @@ impl SqliteVfs for MemVfs { } fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { - // TODO see if format! is actually easier and less unsafe: - // ...format!("{}", CString::new())... - unsafe { sqlite3_snprintf(n_out, z_out, CString::new("%s").expect("should be fine").clone().as_ptr(), z_name); } + let z_path_str = unsafe { CStr::from_ptr(z_name) }; + let z_path_rust = z_path_str.to_str().expect("Invalid UTF-8 in zPath"); + + let formatted = format!("{}", z_path_rust); + let formatted_c = CString::new(formatted).expect("Failed to create CString"); + + // Copy the formatted string to zOut, also endl? + unsafe { + std::ptr::copy_nonoverlapping( + formatted_c.as_ptr(), + z_out, + std::cmp::min(n_out as usize, formatted_c.as_bytes().len()) + ); + } + Ok(()) } @@ -299,7 +312,7 @@ impl SqliteIoMethods for MemFile { // TODO see if format! is actually easier and less unsafe: // ...format!("{}", CString::new())... unsafe { - let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); let out: *mut *mut char = p_arg.cast(); *out = new_args.cast(); // TODO test with scalar functions } @@ -371,7 +384,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // TODO memory passed here might leak - let text_output = format!("file://mem?vfs=memvfs&{}={}&{}={}", POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file:/mem?vfs={}&{}={}&{}={}", EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); api::result_text(context, text_output); @@ -387,7 +400,7 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let db = unsafe { sqlite3_context_db_handle(context) }; // ? is more idiomatic, but this shouldn't fail - let schema = CString::new("memvfs").expect("should be a valid name"); + let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); let schema_ptr = schema.as_ptr(); // workaround for bindings.rs generated with the wrong type @@ -408,7 +421,7 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let vfs: sqlite3_vfs = create_vfs( - MemVfs { default_vfs: DefaultVfs::new() }, "memvfs", 1024); + MemVfs { default_vfs: DefaultVfs {} }, EXTENSION_NAME, 1024); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From 2435349921131036ab0e74f55ef7eacca7740c58 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 14 Sep 2023 19:27:10 +0200 Subject: [PATCH 023/142] no such vfs: memvfs wth docker: cargo build --example mem_vfs ; sqlite3 --init test.sql --- examples/mem_vfs.rs | 2 +- tests/test_mem_vfs.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 3288468..84cc185 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -384,7 +384,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // TODO memory passed here might leak - let text_output = format!("file:/mem?vfs={}&{}={}&{}={}", EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file:{}?vfs={}&{}={}&{}={}", path, EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); api::result_text(context, text_output); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index a92d0b6..266c182 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -384,7 +384,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // TODO memory passed here might leak - let text_output = format!("file:/mem?vfs={}&{}={}&{}={}", EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file:{}?vfs={}&{}={}&{}={}", path, EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); api::result_text(context, text_output); From 35d60d58c373f0e8f065f8a9759ca085c382c662 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 15 Sep 2023 05:07:36 +0200 Subject: [PATCH 024/142] fix various issues --- examples/mem_vfs.rs | 100 +++++++++++++----------------------------- src/vfs/default.rs | 1 + src/vfs/vfs.rs | 65 +++++++++++++++++++-------- tests/test_mem_vfs.rs | 100 +++++++++++++----------------------------- 4 files changed, 110 insertions(+), 156 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 84cc185..3dc97a0 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -8,7 +8,6 @@ use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use url::Url; -use std::collections::HashMap; use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read}; @@ -25,11 +24,24 @@ struct MemVfs { default_vfs: DefaultVfs, } -const SIZE_LABEL: &str = "size"; -const POINTER_LABEL: &str = "pointer"; const EXTENSION_NAME: &str = "memvfs"; +fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { + let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; + let file_size = metadata.len() as usize; + + let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; + + unsafe { dest.set_len(file_size) }; + + file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; + + Ok(()) +} + impl SqliteVfs for MemVfs { + // TODO re-evaluate this, don't pass pointers around + // TODO just open and read the from.db into MemFile's memory field fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { let mut rust_file = MemFile { file_contents: Vec::new() @@ -41,15 +53,14 @@ impl SqliteVfs for MemVfs { if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; */ - let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); + // let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); let uri_cstr = unsafe { CStr::from_ptr(z_name) }; - let uri_str = uri_cstr.to_str(); - let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); + let uri_str = uri_cstr.to_str().expect("should be fine"); - if (flags & SQLITE_OPEN_MAIN_DB) == 0 { - return cant_open; - } + // if (flags & SQLITE_OPEN_MAIN_DB) == 0 { + // return cant_open; + // } /* p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); @@ -66,36 +77,8 @@ impl SqliteVfs for MemVfs { if( p->szMaxsz ) return SQLITE_CANTOPEN; */ - if let Ok(url) = parsed_uri { - let mut size: usize = 0; - - let mut query_map: HashMap = HashMap::new(); - for (key, value) in url.query_pairs() { - query_map.insert(key.to_string(), value.to_string()); - - if key == SIZE_LABEL { - size = value.parse().expect("should be an int"); - } - if key == POINTER_LABEL { - // Parse the ptr value as a u64 hexadecimal address - if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { - // Assuming ptr_address is a valid memory address, you can read its contents here. - let buffer = - unsafe { std::slice::from_raw_parts(ptr_address as *const u8, size) }; - - rust_file.file_contents = buffer.to_vec(); - } - } - } - - if - !query_map.contains_key(SIZE_LABEL) && - !query_map.contains_key(POINTER_LABEL) { - return cant_open; - } - - } else { - return cant_open; + if !z_name.is_null() { + write_file_to_vec_u8(uri_str, &mut rust_file.file_contents)?; } // Skipped 'freeonclose' parameter', dropping is more idiomatic @@ -124,20 +107,17 @@ impl SqliteVfs for MemVfs { Ok(()) } + /// n_out provides crazy big numbers fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { - let z_path_str = unsafe { CStr::from_ptr(z_name) }; - let z_path_rust = z_path_str.to_str().expect("Invalid UTF-8 in zPath"); + // Can't assume that the default does the same + // self.default_vfs.full_pathname(z_name, n_out, z_out) - let formatted = format!("{}", z_path_rust); - let formatted_c = CString::new(formatted).expect("Failed to create CString"); - - // Copy the formatted string to zOut, also endl? unsafe { - std::ptr::copy_nonoverlapping( - formatted_c.as_ptr(), - z_out, - std::cmp::min(n_out as usize, formatted_c.as_bytes().len()) - ); + let name = CString::from_raw(z_name.cast_mut()); + let src_ptr = name.as_ptr(); + let dst_ptr = z_out; + // TODO review if we need the nul + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); } Ok(()) @@ -365,26 +345,8 @@ impl SqliteIoMethods for MemFile { /// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; - let file_size = metadata.len() as usize; - - let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; - let mut file_contents: Vec = Vec::with_capacity(file_size); - file.read_to_end(&mut file_contents).map_err(|_| Error::new_message("can't read to the end"))?; - - let mut heap_buffer: Box<[u8]> = vec![0; file_size].into_boxed_slice(); - unsafe { - ptr::copy_nonoverlapping(file_contents.as_ptr(), heap_buffer.as_mut_ptr(), file_size); - } - - let box_ptr = Box::into_raw(heap_buffer); - - let address_str = format!("{:p}", ptr::addr_of!(box_ptr)); - - // TODO memory passed here might leak - let text_output = format!("file:{}?vfs={}&{}={}&{}={}", path, EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); api::result_text(context, text_output); diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 86697a7..df87f88 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -12,6 +12,7 @@ use std::{os::raw::{c_int, c_void, c_char}, ptr}; use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find}; unsafe fn default_vfs() -> *mut sqlite3_vfs { + // sqlite3_vfs_find(ptr::null()) sqlite3_vfs_find(ptr::null()) } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 445efae..da172e5 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -17,7 +17,8 @@ pub unsafe extern "C" fn x_open( flags: c_int, p_out_flags: *mut c_int, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); match b.open(z_name, p_file, flags, p_out_flags) { Ok(()) => (), @@ -30,11 +31,13 @@ pub unsafe extern "C" fn x_open( } } Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close 0 } pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); match b.delete(z_name, sync_dir) { Ok(()) => (), Err(e) => { @@ -46,11 +49,13 @@ pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: } } Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close 0 } pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); match b.access(z_name, flags, p_res_out) { Ok(()) => (), Err(e) => { @@ -62,11 +67,13 @@ pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: } } Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close 0 } pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); match b.full_pathname(z_name, n_out, z_out) { Ok(()) => (), Err(e) => { @@ -78,20 +85,25 @@ pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, } } Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close 0 } pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let out = b.dl_open(z_filename); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close out } pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_error(n_byte, z_err_msg); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close } pub unsafe extern "C" fn x_dl_sym( @@ -99,36 +111,45 @@ pub unsafe extern "C" fn x_dl_sym( p_handle: *mut c_void, z_symbol: *const c_char, ) -> Option { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_sym(p_handle, z_symbol); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close None } /// Let Box go out of scope, thus drop // TODO valgrind pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_close(p_handle); } pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.randomness(n_byte, z_out); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.sleep(microseconds); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.current_time(p_time); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } @@ -137,7 +158,8 @@ pub unsafe extern "C" fn x_get_last_error( err_code: c_int, z_err_msg: *mut c_char, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); match b.get_last_error(err_code, z_err_msg) { Ok(()) => (), Err(e) => { @@ -149,6 +171,7 @@ pub unsafe extern "C" fn x_get_last_error( } } Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close 0 } @@ -156,9 +179,11 @@ pub unsafe extern "C" fn x_current_time_int64( p_vfs: *mut sqlite3_vfs, p_time: *mut sqlite3_int64, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.current_time_int64(p_time); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } @@ -167,9 +192,11 @@ pub unsafe extern "C" fn x_set_system_call( z_name: *const c_char, p_call: sqlite3_syscall_ptr, ) -> c_int { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.set_system_call(z_name, p_call); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } @@ -177,9 +204,11 @@ pub unsafe extern "C" fn x_get_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, ) -> sqlite3_syscall_ptr { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.get_system_call(z_name); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } @@ -187,14 +216,14 @@ pub unsafe extern "C" fn x_next_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, ) -> *const c_char { - let mut b = Box::::from_raw(p_vfs.cast::()); + let mut vfs = Box::::from_raw(p_vfs); + let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.next_system_call(z_name); Box::into_raw(b); // Drop in close + Box::into_raw(vfs); // Drop in close result } - - pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { unsafe { let vfs_ptr = Box::into_raw(Box::::new(vfs)); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 266c182..0e69455 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -8,7 +8,6 @@ use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; use url::Url; -use std::collections::HashMap; use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read}; @@ -25,11 +24,24 @@ struct MemVfs { default_vfs: DefaultVfs, } -const SIZE_LABEL: &str = "size"; -const POINTER_LABEL: &str = "pointer"; const EXTENSION_NAME: &str = "memvfs"; +fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { + let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; + let file_size = metadata.len() as usize; + + let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; + + unsafe { dest.set_len(file_size) }; + + file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; + + Ok(()) +} + impl SqliteVfs for MemVfs { + // TODO re-evaluate this, don't pass pointers around + // TODO just open and read the from.db into MemFile's memory field fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { let mut rust_file = MemFile { file_contents: Vec::new() @@ -41,15 +53,14 @@ impl SqliteVfs for MemVfs { if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; */ - let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); + // let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); let uri_cstr = unsafe { CStr::from_ptr(z_name) }; - let uri_str = uri_cstr.to_str(); - let parsed_uri = Url::parse(uri_str.expect("should be a valid uri")); + let uri_str = uri_cstr.to_str().expect("should be fine"); - if (flags & SQLITE_OPEN_MAIN_DB) == 0 { - return cant_open; - } + // if (flags & SQLITE_OPEN_MAIN_DB) == 0 { + // return cant_open; + // } /* p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); @@ -66,36 +77,8 @@ impl SqliteVfs for MemVfs { if( p->szMaxsz ) return SQLITE_CANTOPEN; */ - if let Ok(url) = parsed_uri { - let mut size: usize = 0; - - let mut query_map: HashMap = HashMap::new(); - for (key, value) in url.query_pairs() { - query_map.insert(key.to_string(), value.to_string()); - - if key == SIZE_LABEL { - size = value.parse().expect("should be an int"); - } - if key == POINTER_LABEL { - // Parse the ptr value as a u64 hexadecimal address - if let Ok(ptr_address) = u64::from_str_radix(&value, 16) { - // Assuming ptr_address is a valid memory address, you can read its contents here. - let buffer = - unsafe { std::slice::from_raw_parts(ptr_address as *const u8, size) }; - - rust_file.file_contents = buffer.to_vec(); - } - } - } - - if - !query_map.contains_key(SIZE_LABEL) && - !query_map.contains_key(POINTER_LABEL) { - return cant_open; - } - - } else { - return cant_open; + if !z_name.is_null() { + write_file_to_vec_u8(uri_str, &mut rust_file.file_contents)?; } // Skipped 'freeonclose' parameter', dropping is more idiomatic @@ -124,20 +107,17 @@ impl SqliteVfs for MemVfs { Ok(()) } + /// n_out provides crazy big numbers fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { - let z_path_str = unsafe { CStr::from_ptr(z_name) }; - let z_path_rust = z_path_str.to_str().expect("Invalid UTF-8 in zPath"); + // Can't assume that the default does the same + // self.default_vfs.full_pathname(z_name, n_out, z_out) - let formatted = format!("{}", z_path_rust); - let formatted_c = CString::new(formatted).expect("Failed to create CString"); - - // Copy the formatted string to zOut, also endl? unsafe { - std::ptr::copy_nonoverlapping( - formatted_c.as_ptr(), - z_out, - std::cmp::min(n_out as usize, formatted_c.as_bytes().len()) - ); + let name = CString::from_raw(z_name.cast_mut()); + let src_ptr = name.as_ptr(); + let dst_ptr = z_out; + // TODO review if we need the nul + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); } Ok(()) @@ -365,26 +345,8 @@ impl SqliteIoMethods for MemFile { /// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; - let file_size = metadata.len() as usize; - - let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; - let mut file_contents: Vec = Vec::with_capacity(file_size); - file.read_to_end(&mut file_contents).map_err(|_| Error::new_message("can't read to the end"))?; - - let mut heap_buffer: Box<[u8]> = vec![0; file_size].into_boxed_slice(); - unsafe { - ptr::copy_nonoverlapping(file_contents.as_ptr(), heap_buffer.as_mut_ptr(), file_size); - } - - let box_ptr = Box::into_raw(heap_buffer); - - let address_str = format!("{:p}", ptr::addr_of!(box_ptr)); - - // TODO memory passed here might leak - let text_output = format!("file:{}?vfs={}&{}={}&{}={}", path, EXTENSION_NAME, POINTER_LABEL, address_str, SIZE_LABEL, file_size); + let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); api::result_text(context, text_output); From 3e6f58750c44d72e8352386e2655bf199e57b271 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 15 Sep 2023 18:49:28 +0200 Subject: [PATCH 025/142] now figuring out how to safely write and read in MemFile, WiP --- examples/mem_vfs.rs | 53 ++++++++++++++++++------------ src/vfs/default.rs | 75 ++++++++++++++++++++++--------------------- tests/test_mem_vfs.rs | 55 ++++++++++++++++++++----------- 3 files changed, 108 insertions(+), 75 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 3dc97a0..88354d9 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -118,6 +118,7 @@ impl SqliteVfs for MemVfs { let dst_ptr = z_out; // TODO review if we need the nul ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); + name.into_raw(); } Ok(()) @@ -191,15 +192,23 @@ impl SqliteIoMethods for MemFile { memcpy(buf, p->aData+iOfst, iAmt); */ - let source = &mut self.file_contents; + + let dst_ptr: *mut u8 = buf.cast(); - // TODO do not assume alignment is correct, check + // TODO replace with something more efficient + // the issue with copy_nonoverlapping or copy is alignment + + let source = &mut self.file_contents.bytes(); unsafe { - let src_ptr = source.as_ptr().offset(offset as isize); - let dst_ptr = buf; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), size); - } - + let mut idx: isize = 0; + for byte in source { + let value = byte.expect("should be a byte"); + let new_dst_ptr = dst_ptr.offset(idx); + *new_dst_ptr = value; // EXC_BAD_ACCESS + idx += 1; + } + } + Ok(()) } @@ -225,14 +234,11 @@ impl SqliteIoMethods for MemFile { self.file_contents.resize(new_length, 0); } - // Get a mutable pointer to the destination data - let dest_ptr = self.file_contents.as_mut_ptr(); + let dest = &mut self.file_contents; - // Use copy_from_nonoverlapping to copy data from source to dest - unsafe { - ptr::copy_nonoverlapping(buf.offset(offset as isize), dest_ptr.cast(), size); - self.file_contents.set_len(new_length) - }; + let src_slice = unsafe { std::slice::from_raw_parts(buf as *const u8, size) }; + + dest[offset..offset + src_slice.len()].copy_from_slice(src_slice); Ok(()) } @@ -291,11 +297,13 @@ impl SqliteIoMethods for MemFile { */ // TODO see if format! is actually easier and less unsafe: // ...format!("{}", CString::new())... - unsafe { - let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); - let out: *mut *mut char = p_arg.cast(); - *out = new_args.cast(); // TODO test with scalar functions - } + + // Skip this, the following code is broken + // unsafe { + // let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + // let out: *mut *mut char = p_arg.cast(); + // *out = new_args.cast(); // TODO test with scalar functions + // } Ok(()) } @@ -383,7 +391,12 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let vfs: sqlite3_vfs = create_vfs( - MemVfs { default_vfs: DefaultVfs {} }, EXTENSION_NAME, 1024); + MemVfs { + default_vfs: unsafe { + // pass thru + DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) + } + }, EXTENSION_NAME, 1024); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; diff --git a/src/vfs/default.rs b/src/vfs/default.rs index df87f88..044ad3b 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -11,12 +11,15 @@ use std::{os::raw::{c_int, c_void, c_char}, ptr}; use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find}; -unsafe fn default_vfs() -> *mut sqlite3_vfs { - // sqlite3_vfs_find(ptr::null()) - sqlite3_vfs_find(ptr::null()) +pub struct DefaultVfs { + default_vfs: *mut sqlite3_vfs, } -pub struct DefaultVfs {} +impl DefaultVfs { + pub fn from_ptr(vfs: *mut sqlite3_vfs) -> Self { + DefaultVfs { default_vfs: vfs } + } +} impl SqliteVfs for DefaultVfs { fn open( @@ -27,8 +30,8 @@ impl SqliteVfs for DefaultVfs { p_out_flags: *mut c_int, ) -> Result<()> { unsafe { - if let Some(xOpen) = (*default_vfs()).xOpen { - let result = xOpen(default_vfs(), z_name, p_file, flags, p_out_flags); + if let Some(xOpen) = (*self.default_vfs).xOpen { + let result = xOpen(self.default_vfs, z_name, p_file, flags, p_out_flags); if result == SQLITE_OKAY { Ok(()) } else { @@ -46,8 +49,8 @@ impl SqliteVfs for DefaultVfs { sync_dir: c_int, ) -> Result<()> { unsafe { - if let Some(xDelete) = (*default_vfs()).xDelete { - let result = xDelete(default_vfs(), z_name, sync_dir); + if let Some(xDelete) = (*self.default_vfs).xDelete { + let result = xDelete(self.default_vfs, z_name, sync_dir); if result == SQLITE_OKAY { Ok(()) } else { @@ -66,8 +69,8 @@ impl SqliteVfs for DefaultVfs { p_res_out: *mut c_int, ) -> Result<()> { unsafe { - if let Some(xAccess) = (*default_vfs()).xAccess { - let result = xAccess(default_vfs(), z_name, flags, p_res_out); + if let Some(xAccess) = (*self.default_vfs).xAccess { + let result = xAccess(self.default_vfs, z_name, flags, p_res_out); if result == SQLITE_OKAY { Ok(()) } else { @@ -86,8 +89,8 @@ impl SqliteVfs for DefaultVfs { z_out: *mut c_char, ) -> Result<()> { unsafe { - if let Some(xFullPathname) = (*default_vfs()).xFullPathname { - let result = xFullPathname(default_vfs(), z_name, n_out, z_out); + if let Some(xFullPathname) = (*self.default_vfs).xFullPathname { + let result = xFullPathname(self.default_vfs, z_name, n_out, z_out); if result == SQLITE_OKAY { Ok(()) } else { @@ -104,8 +107,8 @@ impl SqliteVfs for DefaultVfs { z_filename: *const c_char, ) -> *mut c_void { unsafe { - if let Some(xDlOpen) = (*default_vfs()).xDlOpen { - xDlOpen(default_vfs(), z_filename) + if let Some(xDlOpen) = (*self.default_vfs).xDlOpen { + xDlOpen(self.default_vfs, z_filename) } else { ptr::null_mut() } @@ -118,8 +121,8 @@ impl SqliteVfs for DefaultVfs { z_err_msg: *mut c_char, ) { unsafe { - if let Some(xDlError) = (*default_vfs()).xDlError { - xDlError(default_vfs(), n_byte, z_err_msg); + if let Some(xDlError) = (*self.default_vfs).xDlError { + xDlError(self.default_vfs, n_byte, z_err_msg); } } } @@ -130,8 +133,8 @@ impl SqliteVfs for DefaultVfs { z_symbol: *const c_char, ) -> Option { unsafe { - if let Some(xDlSym) = (*default_vfs()).xDlSym { - // Some(xDlSym(default_vfs(), arg2, z_symbol)) // TODO + if let Some(xDlSym) = (*self.default_vfs).xDlSym { + // Some(xDlSym(self.default_vfs, arg2, z_symbol)) // TODO None } else { None @@ -144,8 +147,8 @@ impl SqliteVfs for DefaultVfs { arg2: *mut c_void, ) { unsafe { - if let Some(xDlClose) = (*default_vfs()).xDlClose { - xDlClose(default_vfs(), arg2); + if let Some(xDlClose) = (*self.default_vfs).xDlClose { + xDlClose(self.default_vfs, arg2); } } } @@ -156,8 +159,8 @@ impl SqliteVfs for DefaultVfs { z_out: *mut c_char, ) -> c_int { unsafe { - if let Some(xRandomness) = (*default_vfs()).xRandomness { - xRandomness(default_vfs(), n_byte, z_out) + if let Some(xRandomness) = (*self.default_vfs).xRandomness { + xRandomness(self.default_vfs, n_byte, z_out) } else { SQLITE_ERROR } @@ -169,8 +172,8 @@ impl SqliteVfs for DefaultVfs { microseconds: c_int, ) -> c_int { unsafe { - if let Some(xSleep) = (*default_vfs()).xSleep { - xSleep(default_vfs(), microseconds) + if let Some(xSleep) = (*self.default_vfs).xSleep { + xSleep(self.default_vfs, microseconds) } else { SQLITE_ERROR } @@ -182,8 +185,8 @@ impl SqliteVfs for DefaultVfs { arg2: *mut f64, ) -> c_int { unsafe { - if let Some(xCurrentTime) = (*default_vfs()).xCurrentTime { - xCurrentTime(default_vfs(), arg2) + if let Some(xCurrentTime) = (*self.default_vfs).xCurrentTime { + xCurrentTime(self.default_vfs, arg2) } else { SQLITE_ERROR } @@ -196,8 +199,8 @@ impl SqliteVfs for DefaultVfs { arg3: *mut c_char, ) -> Result<()> { unsafe { - if let Some(xGetLastError) = (*default_vfs()).xGetLastError { - let result = xGetLastError(default_vfs(), arg2, arg3); + if let Some(xGetLastError) = (*self.default_vfs).xGetLastError { + let result = xGetLastError(self.default_vfs, arg2, arg3); if result == SQLITE_OKAY { Ok(()) } else { @@ -214,8 +217,8 @@ impl SqliteVfs for DefaultVfs { arg2: *mut sqlite3_int64, ) -> c_int { unsafe { - if let Some(xCurrentTimeInt64) = (*default_vfs()).xCurrentTimeInt64 { - xCurrentTimeInt64(default_vfs(), arg2) + if let Some(xCurrentTimeInt64) = (*self.default_vfs).xCurrentTimeInt64 { + xCurrentTimeInt64(self.default_vfs, arg2) } else { SQLITE_ERROR } @@ -228,8 +231,8 @@ impl SqliteVfs for DefaultVfs { arg2: sqlite3_syscall_ptr, ) -> c_int { unsafe { - if let Some(xSetSystemCall) = (*default_vfs()).xSetSystemCall { - xSetSystemCall(default_vfs(), z_name, arg2) + if let Some(xSetSystemCall) = (*self.default_vfs).xSetSystemCall { + xSetSystemCall(self.default_vfs, z_name, arg2) } else { SQLITE_ERROR } @@ -241,8 +244,8 @@ impl SqliteVfs for DefaultVfs { z_name: *const c_char, ) -> sqlite3_syscall_ptr { unsafe { - if let Some(xGetSystemCall) = (*default_vfs()).xGetSystemCall { - xGetSystemCall(default_vfs(), z_name) + if let Some(xGetSystemCall) = (*self.default_vfs).xGetSystemCall { + xGetSystemCall(self.default_vfs, z_name) } else { None } @@ -254,8 +257,8 @@ impl SqliteVfs for DefaultVfs { z_name: *const c_char, ) -> *const c_char { unsafe { - if let Some(xNextSystemCall) = (*default_vfs()).xNextSystemCall { - xNextSystemCall(default_vfs(), z_name) + if let Some(xNextSystemCall) = (*self.default_vfs).xNextSystemCall { + xNextSystemCall(self.default_vfs, z_name) } else { ptr::null() } diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 0e69455..3894dab 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -118,6 +118,7 @@ impl SqliteVfs for MemVfs { let dst_ptr = z_out; // TODO review if we need the nul ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); + name.into_raw(); } Ok(()) @@ -191,15 +192,27 @@ impl SqliteIoMethods for MemFile { memcpy(buf, p->aData+iOfst, iAmt); */ - let source = &mut self.file_contents; - - // TODO do not assume alignment is correct, check + // TODO replace with something more efficient + // the issue with copy_nonoverlapping or copy is alignment + /* + let source = &mut self.file_contents.bytes(); unsafe { - let src_ptr = source.as_ptr().offset(offset as isize); - let dst_ptr = buf; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), size); + let mut idx: isize = 0; + for byte in source { + let value = byte.expect("should be a byte"); // // EXC_BAD_ACCESS + let new_dst_ptr = dst_ptr.offset(idx); + *new_dst_ptr = value; + // new_dst_ptr.copy_from(&value, 1); + idx += 1; + } } + */ + let source = &mut self.file_contents; + if !source.is_empty() { + unsafe { ptr::copy_nonoverlapping(source[offset..size].as_ptr(), buf.cast(), size) } + } + Ok(()) } @@ -225,14 +238,11 @@ impl SqliteIoMethods for MemFile { self.file_contents.resize(new_length, 0); } - // Get a mutable pointer to the destination data - let dest_ptr = self.file_contents.as_mut_ptr(); + let dest = &mut self.file_contents; - // Use copy_from_nonoverlapping to copy data from source to dest - unsafe { - ptr::copy_nonoverlapping(buf.offset(offset as isize), dest_ptr.cast(), size); - self.file_contents.set_len(new_length) - }; + let src_slice = unsafe { std::slice::from_raw_parts(buf as *const u8, size) }; + + dest[offset..offset + src_slice.len()].copy_from_slice(src_slice); Ok(()) } @@ -291,11 +301,13 @@ impl SqliteIoMethods for MemFile { */ // TODO see if format! is actually easier and less unsafe: // ...format!("{}", CString::new())... - unsafe { - let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); - let out: *mut *mut char = p_arg.cast(); - *out = new_args.cast(); // TODO test with scalar functions - } + + // Skip this, the following code is broken + // unsafe { + // let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + // let out: *mut *mut char = p_arg.cast(); + // *out = new_args.cast(); // TODO test with scalar functions + // } Ok(()) } @@ -383,7 +395,12 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let vfs: sqlite3_vfs = create_vfs( - MemVfs { default_vfs: DefaultVfs {} }, EXTENSION_NAME, 1024); + MemVfs { + default_vfs: unsafe { + // pass thru + DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) + } + }, EXTENSION_NAME, 1024); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From c9b77bf7785459870e52cd186e474c859c0a07c3 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 15 Sep 2023 18:54:42 +0200 Subject: [PATCH 026/142] more tweaking --- tests/test_mem_vfs.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 3894dab..93ceea7 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -210,8 +210,9 @@ impl SqliteIoMethods for MemFile { let source = &mut self.file_contents; if !source.is_empty() { - unsafe { ptr::copy_nonoverlapping(source[offset..size].as_ptr(), buf.cast(), size) } + source.resize(offset + size, 0); } + unsafe { ptr::copy_nonoverlapping(source[offset..size].as_ptr(), buf.cast(), size) } Ok(()) } From 69c42ee96073647b689906dc3c005d95b60b6db8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 15 Sep 2023 22:45:52 +0200 Subject: [PATCH 027/142] so, evidently changed state within a Box, will cause panic and evidently pointer / struct polymorphism is more lenient than I thought --- src/vfs/file.rs | 96 +++++++++++++++++++------------------------ tests/test_mem_vfs.rs | 77 +++++++++++++++++++--------------- 2 files changed, 87 insertions(+), 86 deletions(-) diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 5d58a4a..bb3f1c7 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -2,14 +2,14 @@ #![allow(unused)] use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; -use std::os::raw::{c_int, c_void}; +use std::{os::raw::{c_int, c_void}}; use crate::{vfs::traits::SqliteIoMethods, ErrorKind}; /// Let Box go out of scope, thus drop // TODO valgrind pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).close() { + match (b.rust_methods_ptr).close() { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -19,10 +19,8 @@ pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> } } } - // gc - let rusty_methods = Box::from_raw(b.o_methods); - let p_methods = Box::from_raw(b.pMethods.cast_mut()); - 0 // TODO figure out what to do here + Box::from_raw(b.methods_ptr.cast_mut()); + 0 } pub unsafe extern "C" fn x_read( @@ -32,7 +30,7 @@ pub unsafe extern "C" fn x_read( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).read(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { + match (b.rust_methods_ptr).read(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -43,7 +41,7 @@ pub unsafe extern "C" fn x_read( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_write( @@ -53,7 +51,7 @@ pub unsafe extern "C" fn x_write( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).write(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { + match (b.rust_methods_ptr).write(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -64,7 +62,7 @@ pub unsafe extern "C" fn x_write( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_truncate( @@ -72,7 +70,7 @@ pub unsafe extern "C" fn x_truncate( size: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).truncate(size.try_into().unwrap()) { + match (b.rust_methods_ptr).truncate(size.try_into().unwrap()) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -83,7 +81,7 @@ pub unsafe extern "C" fn x_truncate( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_sync( @@ -91,7 +89,7 @@ pub unsafe extern "C" fn x_sync( flags: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).sync(flags) { + match (b.rust_methods_ptr).sync(flags) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -102,7 +100,7 @@ pub unsafe extern "C" fn x_sync( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_file_size( @@ -110,7 +108,7 @@ pub unsafe extern "C" fn x_file_size( pSize: *mut sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).file_size(pSize) { + match (b.rust_methods_ptr).file_size(pSize) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -121,7 +119,7 @@ pub unsafe extern "C" fn x_file_size( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } @@ -130,7 +128,7 @@ pub unsafe extern "C" fn x_lock( arg2: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).lock(arg2) { + match (b.rust_methods_ptr).lock(arg2) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -141,7 +139,7 @@ pub unsafe extern "C" fn x_lock( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_unlock( @@ -149,7 +147,7 @@ pub unsafe extern "C" fn x_unlock( arg2: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).unlock(arg2) { + match (b.rust_methods_ptr).unlock(arg2) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -160,7 +158,7 @@ pub unsafe extern "C" fn x_unlock( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_check_reserved_lock( @@ -168,7 +166,7 @@ pub unsafe extern "C" fn x_check_reserved_lock( pResOut: *mut c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).check_reserved_lock(pResOut) { + match (b.rust_methods_ptr).check_reserved_lock(pResOut) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -179,7 +177,7 @@ pub unsafe extern "C" fn x_check_reserved_lock( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_file_control( @@ -188,7 +186,7 @@ pub unsafe extern "C" fn x_file_control( pArg: *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).file_control(op, pArg) { + match (b.rust_methods_ptr).file_control(op, pArg) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -199,19 +197,19 @@ pub unsafe extern "C" fn x_file_control( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (*b.o_methods).sector_size(); + let result = (b.rust_methods_ptr).sector_size(); Box::into_raw(b); // Drop in close result } pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (*b.o_methods).device_characteristics(); + let result = (b.rust_methods_ptr).device_characteristics(); Box::into_raw(b); // Drop in close result } @@ -224,7 +222,7 @@ pub unsafe extern "C" fn x_shm_map( arg3: *mut *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).shm_map(iPg, pgsz, arg2, arg3) { + match (b.rust_methods_ptr).shm_map(iPg, pgsz, arg2, arg3) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -235,7 +233,7 @@ pub unsafe extern "C" fn x_shm_map( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_shm_lock( @@ -245,7 +243,7 @@ pub unsafe extern "C" fn x_shm_lock( flags: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).shm_lock(offset, n, flags) { + match (b.rust_methods_ptr).shm_lock(offset, n, flags) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -256,12 +254,12 @@ pub unsafe extern "C" fn x_shm_lock( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { let mut b = Box::>::from_raw(arg1.cast::>()); - (*b.o_methods).shm_barrier(); + (b.rust_methods_ptr).shm_barrier(); Box::into_raw(b); // Drop in close } @@ -270,7 +268,7 @@ pub unsafe extern "C" fn x_shm_unmap( deleteFlag: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).shm_unmap(deleteFlag) { + match (b.rust_methods_ptr).shm_unmap(deleteFlag) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -281,7 +279,7 @@ pub unsafe extern "C" fn x_shm_unmap( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_fetch( @@ -291,7 +289,7 @@ pub unsafe extern "C" fn x_fetch( pp: *mut *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).fetch(iOfst.try_into().unwrap(), iAmt.try_into().unwrap(), pp) { + match (b.rust_methods_ptr).fetch(iOfst.try_into().unwrap(), iAmt.try_into().unwrap(), pp) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -302,7 +300,7 @@ pub unsafe extern "C" fn x_fetch( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } pub unsafe extern "C" fn x_unfetch( @@ -311,7 +309,7 @@ pub unsafe extern "C" fn x_unfetch( p: *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (*b.o_methods).unfetch(iOfst.try_into().unwrap(), p) { + match (b.rust_methods_ptr).unfetch(iOfst.try_into().unwrap(), p) { Ok(()) => (), Err(e) => { if let ErrorKind::DefineVfs(i) = *e.kind() { @@ -322,16 +320,15 @@ pub unsafe extern "C" fn x_unfetch( } } Box::into_raw(b); // Drop in close - 0 // TODO figure out what to do here + 0 } // C struct polymorphism, given the alignment and field sequence // remain the same, then again, T might ruin the party #[repr(C)] -#[derive(Debug, Copy, Clone)] pub struct FilePolymorph { - pub pMethods: *const sqlite3_io_methods, - pub o_methods: *mut T, + pub methods_ptr: *const sqlite3_io_methods, + pub rust_methods_ptr: T, } unsafe fn create_io_methods() -> sqlite3_io_methods { @@ -358,25 +355,18 @@ unsafe fn create_io_methods() -> sqlite3_io_methods { } } -pub fn create_file_pointer(o2_methods: T) -> *mut sqlite3_file { +pub fn create_file_pointer(actual_methods: T) -> *mut sqlite3_file { unsafe { let methods = create_io_methods::(); let methods_ptr = Box::into_raw(Box::new(methods)); - let methods_boxed_ptr = Box::into_raw(Box::new(o2_methods)); + let p = FilePolymorph:: { - pMethods: methods_ptr, - o_methods: methods_boxed_ptr, + methods_ptr, + rust_methods_ptr: actual_methods, }; + let p = Box::into_raw(Box::new(p)); + p.cast() } } - - - - - - - - - diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 93ceea7..55ae0a6 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -10,7 +10,7 @@ use url::Url; use std::ffi::{CString, CStr}; use std::fs::{File, self}; -use std::io::{Write, Read}; +use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; use std::ptr; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; @@ -43,8 +43,9 @@ impl SqliteVfs for MemVfs { // TODO re-evaluate this, don't pass pointers around // TODO just open and read the from.db into MemFile's memory field fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { - let mut rust_file = MemFile { - file_contents: Vec::new() + let mut mem_file = MemFile { + file_contents: Vec::new(), + path: String::new() }; /* @@ -55,8 +56,9 @@ impl SqliteVfs for MemVfs { // let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - let uri_cstr = unsafe { CStr::from_ptr(z_name) }; - let uri_str = uri_cstr.to_str().expect("should be fine"); + let path_cstr = unsafe { CStr::from_ptr(z_name) }; + let path_str = path_cstr.to_str().expect("should be fine"); + mem_file.path = path_str.to_string(); // if (flags & SQLITE_OPEN_MAIN_DB) == 0 { // return cant_open; @@ -78,7 +80,7 @@ impl SqliteVfs for MemVfs { */ if !z_name.is_null() { - write_file_to_vec_u8(uri_str, &mut rust_file.file_contents)?; + write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } // Skipped 'freeonclose' parameter', dropping is more idiomatic @@ -91,7 +93,8 @@ impl SqliteVfs for MemVfs { */ // TODO figure out how to drop this, store a pointer to the vfs? - unsafe { *p_file = *create_file_pointer( rust_file ); } + // TODO also implement writing output to file an close + unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) } @@ -107,7 +110,7 @@ impl SqliteVfs for MemVfs { Ok(()) } - /// n_out provides crazy big numbers + /// n_out provides crazy big numbers, so we rely on CString to detect the end of line char fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { // Can't assume that the default does the same // self.default_vfs.full_pathname(z_name, n_out, z_out) @@ -176,6 +179,25 @@ impl SqliteVfs for MemVfs { struct MemFile { file_contents: Vec, + path: String, +} + +impl Drop for MemFile { + fn drop(&mut self) { + if !self.file_contents.is_empty() { + if let Err(err) = self.write_to_file() { + eprintln!("Error writing to file {}: {}", self.path, err); + } + } + } +} + +impl MemFile { + fn write_to_file(&self) -> io::Result<()> { + let mut file = File::create(&self.path)?; + file.write_all(&self.file_contents)?; + Ok(()) + } } impl SqliteIoMethods for MemFile { @@ -192,27 +214,16 @@ impl SqliteIoMethods for MemFile { memcpy(buf, p->aData+iOfst, iAmt); */ - // TODO replace with something more efficient - // the issue with copy_nonoverlapping or copy is alignment - /* - let source = &mut self.file_contents.bytes(); - unsafe { - let mut idx: isize = 0; - for byte in source { - let value = byte.expect("should be a byte"); // // EXC_BAD_ACCESS - let new_dst_ptr = dst_ptr.offset(idx); - *new_dst_ptr = value; - // new_dst_ptr.copy_from(&value, 1); - idx += 1; - } - } - */ - let source = &mut self.file_contents; - if !source.is_empty() { - source.resize(offset + size, 0); + if source.len() < size { + let new_len = offset + size; + let prev_len = source.len(); + source.resize(new_len, 0); + source.extend(vec![0; new_len - prev_len]); } - unsafe { ptr::copy_nonoverlapping(source[offset..size].as_ptr(), buf.cast(), size) } + + let src_ptr = source[offset..(size-1)].as_ptr(); + unsafe { ptr::copy_nonoverlapping(src_ptr, buf.cast(), size) } Ok(()) } @@ -290,6 +301,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } + // TODO implement later, what does it do anyway? fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { /* int rc = SQLITE_NOTFOUND; @@ -303,12 +315,11 @@ impl SqliteIoMethods for MemFile { // TODO see if format! is actually easier and less unsafe: // ...format!("{}", CString::new())... - // Skip this, the following code is broken - // unsafe { - // let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); - // let out: *mut *mut char = p_arg.cast(); - // *out = new_args.cast(); // TODO test with scalar functions - // } + unsafe { + let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + let out: *mut *mut char = p_arg.cast(); + *out = new_args.cast(); // TODO test with scalar functions + } Ok(()) } From 703a44a4e0eb9a8b52bf26c15bcd6a74bd422561 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 00:11:30 +0200 Subject: [PATCH 028/142] sync changes --- examples/mem_vfs.rs | 76 +++++++++++++++++++++++++++------------------ 1 file changed, 46 insertions(+), 30 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 88354d9..2a911a9 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -10,7 +10,7 @@ use url::Url; use std::ffi::{CString, CStr}; use std::fs::{File, self}; -use std::io::{Write, Read}; +use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; use std::ptr; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; @@ -43,8 +43,9 @@ impl SqliteVfs for MemVfs { // TODO re-evaluate this, don't pass pointers around // TODO just open and read the from.db into MemFile's memory field fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { - let mut rust_file = MemFile { - file_contents: Vec::new() + let mut mem_file = MemFile { + file_contents: Vec::new(), + path: String::new() }; /* @@ -55,8 +56,9 @@ impl SqliteVfs for MemVfs { // let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - let uri_cstr = unsafe { CStr::from_ptr(z_name) }; - let uri_str = uri_cstr.to_str().expect("should be fine"); + let path_cstr = unsafe { CStr::from_ptr(z_name) }; + let path_str = path_cstr.to_str().expect("should be fine"); + mem_file.path = path_str.to_string(); // if (flags & SQLITE_OPEN_MAIN_DB) == 0 { // return cant_open; @@ -78,7 +80,7 @@ impl SqliteVfs for MemVfs { */ if !z_name.is_null() { - write_file_to_vec_u8(uri_str, &mut rust_file.file_contents)?; + write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } // Skipped 'freeonclose' parameter', dropping is more idiomatic @@ -91,7 +93,8 @@ impl SqliteVfs for MemVfs { */ // TODO figure out how to drop this, store a pointer to the vfs? - unsafe { *p_file = *create_file_pointer( rust_file ); } + // TODO also implement writing output to file an close + unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) } @@ -107,7 +110,7 @@ impl SqliteVfs for MemVfs { Ok(()) } - /// n_out provides crazy big numbers + /// n_out provides crazy big numbers, so we rely on CString to detect the end of line char fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { // Can't assume that the default does the same // self.default_vfs.full_pathname(z_name, n_out, z_out) @@ -176,6 +179,25 @@ impl SqliteVfs for MemVfs { struct MemFile { file_contents: Vec, + path: String, +} + +impl Drop for MemFile { + fn drop(&mut self) { + if !self.file_contents.is_empty() { + if let Err(err) = self.write_to_file() { + eprintln!("Error writing to file {}: {}", self.path, err); + } + } + } +} + +impl MemFile { + fn write_to_file(&self) -> io::Result<()> { + let mut file = File::create(&self.path)?; + file.write_all(&self.file_contents)?; + Ok(()) + } } impl SqliteIoMethods for MemFile { @@ -192,23 +214,17 @@ impl SqliteIoMethods for MemFile { memcpy(buf, p->aData+iOfst, iAmt); */ - - let dst_ptr: *mut u8 = buf.cast(); + let source = &mut self.file_contents; + if source.len() < size { + let new_len = offset + size; + let prev_len = source.len(); + source.resize(new_len, 0); + source.extend(vec![0; new_len - prev_len]); + } - // TODO replace with something more efficient - // the issue with copy_nonoverlapping or copy is alignment - - let source = &mut self.file_contents.bytes(); - unsafe { - let mut idx: isize = 0; - for byte in source { - let value = byte.expect("should be a byte"); - let new_dst_ptr = dst_ptr.offset(idx); - *new_dst_ptr = value; // EXC_BAD_ACCESS - idx += 1; - } - } - + let src_ptr = source[offset..(size-1)].as_ptr(); + unsafe { ptr::copy_nonoverlapping(src_ptr, buf.cast(), size) } + Ok(()) } @@ -285,6 +301,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } + // TODO implement later, what does it do anyway? fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { /* int rc = SQLITE_NOTFOUND; @@ -298,12 +315,11 @@ impl SqliteIoMethods for MemFile { // TODO see if format! is actually easier and less unsafe: // ...format!("{}", CString::new())... - // Skip this, the following code is broken - // unsafe { - // let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); - // let out: *mut *mut char = p_arg.cast(); - // *out = new_args.cast(); // TODO test with scalar functions - // } + unsafe { + let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); + let out: *mut *mut char = p_arg.cast(); + *out = new_args.cast(); // TODO test with scalar functions + } Ok(()) } From 52e4f6c9cdba1251d928d7368ea55465d856e91c Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 00:32:30 +0200 Subject: [PATCH 029/142] clean up --- examples/mem_vfs.rs | 89 +------------------------------------------ src/vfs/default.rs | 25 ++---------- src/vfs/file.rs | 34 ++++++++--------- src/vfs/vfs.rs | 69 +++++++++++++++++---------------- tests/test_mem_vfs.rs | 89 +------------------------------------------ 5 files changed, 56 insertions(+), 250 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 2a911a9..0381f6c 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -40,60 +40,21 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { } impl SqliteVfs for MemVfs { - // TODO re-evaluate this, don't pass pointers around - // TODO just open and read the from.db into MemFile's memory field fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { let mut mem_file = MemFile { file_contents: Vec::new(), path: String::new() }; - /* - memset(p, 0, sizeof(*p)); - - if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; - */ - - // let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - let path_cstr = unsafe { CStr::from_ptr(z_name) }; let path_str = path_cstr.to_str().expect("should be fine"); mem_file.path = path_str.to_string(); - // if (flags & SQLITE_OPEN_MAIN_DB) == 0 { - // return cant_open; - // } - - /* - p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); - - if( p->aData == 0 ) return SQLITE_CANTOPEN; - - p->sz = sqlite3_uri_int64(zName,"sz",0); - - if( p->sz < 0 ) return SQLITE_CANTOPEN; - - // Set MemFile parameter - p->szMax = sqlite3_uri_int64(zName,"max",p->sz); - - if( p->szMaxsz ) return SQLITE_CANTOPEN; - */ - if !z_name.is_null() { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - // Skipped 'freeonclose' parameter', dropping is more idiomatic - /* - // This is implemented and active buy default - p->bFreeOnClose = sqlite3_uri_boolean(zName,"freeonclose",0); - - // This is implemented with traits - pFile->pMethods = &mem_io_methods; - */ - // TODO figure out how to drop this, store a pointer to the vfs? - // TODO also implement writing output to file an close unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) @@ -112,9 +73,6 @@ impl SqliteVfs for MemVfs { /// n_out provides crazy big numbers, so we rely on CString to detect the end of line char fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { - // Can't assume that the default does the same - // self.default_vfs.full_pathname(z_name, n_out, z_out) - unsafe { let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); @@ -229,22 +187,6 @@ impl SqliteIoMethods for MemFile { } fn write(&mut self, buf: *const c_void, size: usize, offset: usize) -> Result<()> { - /* - if( (iOfst + iAmt) > p->sz ) { - // Error if exceeds allocation - if( (iOfst+iAmt) > p->szMax ) { - return SQLITE_FULL; - } - // Pre-allocate space with memset - if( iOfst > p->sz ) { - memset(p->aData + p->sz, 0, iOfst - p->sz); - } - p->sz = iOfst + iAmt; - } - // append buf to memory - memcpy(p->aData + iOfst, buf, iAmt); - return SQLITE_OK; - */ let new_length = size + offset; if new_length > self.file_contents.len() { self.file_contents.resize(new_length, 0); @@ -260,18 +202,6 @@ impl SqliteIoMethods for MemFile { } fn truncate(&mut self, size: usize) -> Result<()> { - // original: - /* - if( size > p->sz ) { - if( size > p->szMax ) { - return SQLITE_FULL; - } - memset(p->aData + p->sz, 0, size-p->sz); // extend to what is required - } - p->sz = size; - return SQLITE_OK; - */ - self.file_contents.resize(size, 0); Ok(()) @@ -295,26 +225,11 @@ impl SqliteIoMethods for MemFile { } fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { - // *pResOut = 0 unsafe{ *p_res_out = 0; } - // TODO consider putting this in a struct Ok(()) } - // TODO implement later, what does it do anyway? fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - /* - int rc = SQLITE_NOTFOUND; - if( op==SQLITE_FCNTL_VFSNAME ){ - *(char**)pArg = sqlite3_mprintf("mem(%p,%lld)", p->aData, p->sz); - rc = SQLITE_OK; - } - // TODO use rust formatting and then create pointers - return rc; - */ - // TODO see if format! is actually easier and less unsafe: - // ...format!("{}", CString::new())... - unsafe { let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); let out: *mut *mut char = p_arg.cast(); @@ -326,11 +241,9 @@ impl SqliteIoMethods for MemFile { fn sector_size(&mut self) -> c_int { 1024 - // TODO consider putting this in a struct } fn device_characteristics(&mut self) -> c_int { - // TODO consider putting this in a struct SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | @@ -355,8 +268,8 @@ impl SqliteIoMethods for MemFile { } fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { - // orig: *pp = (void*)(p->aData + iOfst); let memory_location = self.file_contents.as_mut_ptr(); + // TODO alignment might be messed up unsafe { *pp = memory_location.add(offset).cast(); } Ok(()) } diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 044ad3b..87bba3b 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -268,15 +268,13 @@ impl SqliteVfs for DefaultVfs { /// See ORIGFILE https://www.sqlite.org/src/file?name=ext/misc/cksumvfs.c -/// TODO Do the same less dynamic implementation of DefaultVfs to DefaultFile struct DefaultFile { default_methods_ptr: *mut sqlite3_io_methods, default_file_ptr: *mut sqlite3_file, } impl DefaultFile { - /// See sqlite3_vfs::x_open sqlite3_file parameter - fn from_file_ptr(file_ptr: *mut sqlite3_file) -> Self { + fn from_ptr(file_ptr: *mut sqlite3_file) -> Self { Self { default_file_ptr: file_ptr, default_methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut() @@ -286,8 +284,6 @@ impl DefaultFile { impl SqliteIoMethods for DefaultFile { fn close(&mut self) -> Result<()> { - // This won't be used probably - /* unsafe { if let Some(xClose) = ((*self.default_methods_ptr).xClose) { let result = xClose(self.default_file_ptr); @@ -300,13 +296,9 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } - */ - Ok(()) } fn read(&mut self, buf: *mut c_void, i_amt: usize, i_ofst: usize) -> Result<()> { - // This won't be used probably - /* unsafe { if let Some(xRead) = ((*self.default_methods_ptr).xRead) { let result = xRead(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); @@ -319,8 +311,6 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } - */ - Ok(()) } fn write( @@ -329,7 +319,6 @@ impl SqliteIoMethods for DefaultFile { i_amt: usize, i_ofst: usize, ) -> Result<()> { - /* unsafe { if let Some(xWrite) = ((*self.default_methods_ptr).xWrite) { let result = xWrite(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); @@ -342,8 +331,6 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } - */ - Ok(()) } fn truncate(&mut self, size: usize) -> Result<()> { @@ -528,10 +515,9 @@ impl SqliteIoMethods for DefaultFile { } fn fetch(&mut self, i_ofst: usize, i_amt: usize, pp: *mut *mut c_void) -> Result<()> { - /* unsafe { if let Some(xFetch) = ((*self.default_methods_ptr).xFetch) { - let result = xFetch(self.default_file_ptr,i_ofst, i_amt, pp); + let result = xFetch(self.default_file_ptr, i_ofst.try_into().unwrap(), i_amt.try_into().unwrap(), pp); if result == 1 { Ok(()) } else { @@ -541,15 +527,12 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } - */ - Ok(()) } fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { - /* unsafe { if let Some(xUnfetch) = ((*self.default_methods_ptr).xUnfetch) { - let result = xUnfetch(self.default_file_ptr,i_ofst, p); + let result = xUnfetch(self.default_file_ptr,i_ofst.try_into().unwrap(), p); if result == 1 { Ok(()) } else { @@ -559,8 +542,6 @@ impl SqliteIoMethods for DefaultFile { Err(Error::new_message("Missing function")) } } - */ - Ok(()) } } \ No newline at end of file diff --git a/src/vfs/file.rs b/src/vfs/file.rs index bb3f1c7..bd056fc 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -40,7 +40,7 @@ pub unsafe extern "C" fn x_read( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -61,7 +61,7 @@ pub unsafe extern "C" fn x_write( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -80,7 +80,7 @@ pub unsafe extern "C" fn x_truncate( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -99,7 +99,7 @@ pub unsafe extern "C" fn x_sync( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -118,7 +118,7 @@ pub unsafe extern "C" fn x_file_size( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -138,7 +138,7 @@ pub unsafe extern "C" fn x_lock( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -157,7 +157,7 @@ pub unsafe extern "C" fn x_unlock( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -176,7 +176,7 @@ pub unsafe extern "C" fn x_check_reserved_lock( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -196,21 +196,21 @@ pub unsafe extern "C" fn x_file_control( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).sector_size(); - Box::into_raw(b); // Drop in close + Box::into_raw(b); result } pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).device_characteristics(); - Box::into_raw(b); // Drop in close + Box::into_raw(b); result } @@ -232,7 +232,7 @@ pub unsafe extern "C" fn x_shm_map( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -253,14 +253,14 @@ pub unsafe extern "C" fn x_shm_lock( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { let mut b = Box::>::from_raw(arg1.cast::>()); (b.rust_methods_ptr).shm_barrier(); - Box::into_raw(b); // Drop in close + Box::into_raw(b); } pub unsafe extern "C" fn x_shm_unmap( @@ -278,7 +278,7 @@ pub unsafe extern "C" fn x_shm_unmap( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -299,7 +299,7 @@ pub unsafe extern "C" fn x_fetch( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } @@ -319,7 +319,7 @@ pub unsafe extern "C" fn x_unfetch( } } } - Box::into_raw(b); // Drop in close + Box::into_raw(b); 0 } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index da172e5..f1bfb4c 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -30,8 +30,8 @@ pub unsafe extern "C" fn x_open( } } } - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); 0 } @@ -48,8 +48,8 @@ pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: } } } - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); 0 } @@ -66,8 +66,8 @@ pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: } } } - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); 0 } @@ -84,8 +84,8 @@ pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, } } } - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); 0 } @@ -93,8 +93,8 @@ pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_file let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let out = b.dl_open(z_filename); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); out } @@ -102,8 +102,8 @@ pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byt let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_error(n_byte, z_err_msg); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); } pub unsafe extern "C" fn x_dl_sym( @@ -114,8 +114,8 @@ pub unsafe extern "C" fn x_dl_sym( let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_sym(p_handle, z_symbol); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); None } @@ -130,8 +130,8 @@ pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_b let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.randomness(n_byte, z_out); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -139,8 +139,8 @@ pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microsec let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.sleep(microseconds); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -148,8 +148,8 @@ pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.current_time(p_time); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -170,8 +170,8 @@ pub unsafe extern "C" fn x_get_last_error( } } } - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); 0 } @@ -182,8 +182,8 @@ pub unsafe extern "C" fn x_current_time_int64( let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.current_time_int64(p_time); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -195,8 +195,8 @@ pub unsafe extern "C" fn x_set_system_call( let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.set_system_call(z_name, p_call); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -207,8 +207,8 @@ pub unsafe extern "C" fn x_get_system_call( let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.get_system_call(z_name); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -219,8 +219,8 @@ pub unsafe extern "C" fn x_next_system_call( let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); let result = b.next_system_call(z_name); - Box::into_raw(b); // Drop in close - Box::into_raw(vfs); // Drop in close + Box::into_raw(b); + Box::into_raw(vfs); result } @@ -231,15 +231,14 @@ pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> let vfs_name = CString::new(name).expect("valid string"); sqlite3_vfs { - iVersion: 3, // this library targets version 3? - pNext: ptr::null_mut(), // sqlite3 will change this + iVersion: 3, + pNext: ptr::null_mut(), pAppData: vfs_ptr.cast(), - szOsFile: size_ptr as i32, // raw box pointers sizes are all the same + // raw box pointers sizes are all the same + szOsFile: size_ptr as i32, mxPathname: max_path_name_size, zName: vfs_name.into_raw(), - // TODO some are optional, break down to multiple traits? - // TODO investigate: maybe use attribute to generate a static dispatch type, if it's too slow xOpen: Some(x_open::), xDelete: Some(x_delete::), xAccess: Some(x_access::), diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 55ae0a6..d3fd009 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -40,60 +40,21 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { } impl SqliteVfs for MemVfs { - // TODO re-evaluate this, don't pass pointers around - // TODO just open and read the from.db into MemFile's memory field fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { let mut mem_file = MemFile { file_contents: Vec::new(), path: String::new() }; - /* - memset(p, 0, sizeof(*p)); - - if( (flags & SQLITE_OPEN_MAIN_DB) == 0 ) return SQLITE_CANTOPEN; - */ - - // let cant_open = Err(Error::new(ErrorKind::DefineVfs(SQLITE_CANTOPEN))); - let path_cstr = unsafe { CStr::from_ptr(z_name) }; let path_str = path_cstr.to_str().expect("should be fine"); mem_file.path = path_str.to_string(); - // if (flags & SQLITE_OPEN_MAIN_DB) == 0 { - // return cant_open; - // } - - /* - p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0); - - if( p->aData == 0 ) return SQLITE_CANTOPEN; - - p->sz = sqlite3_uri_int64(zName,"sz",0); - - if( p->sz < 0 ) return SQLITE_CANTOPEN; - - // Set MemFile parameter - p->szMax = sqlite3_uri_int64(zName,"max",p->sz); - - if( p->szMaxsz ) return SQLITE_CANTOPEN; - */ - if !z_name.is_null() { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - // Skipped 'freeonclose' parameter', dropping is more idiomatic - /* - // This is implemented and active buy default - p->bFreeOnClose = sqlite3_uri_boolean(zName,"freeonclose",0); - - // This is implemented with traits - pFile->pMethods = &mem_io_methods; - */ - // TODO figure out how to drop this, store a pointer to the vfs? - // TODO also implement writing output to file an close unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) @@ -112,9 +73,6 @@ impl SqliteVfs for MemVfs { /// n_out provides crazy big numbers, so we rely on CString to detect the end of line char fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { - // Can't assume that the default does the same - // self.default_vfs.full_pathname(z_name, n_out, z_out) - unsafe { let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); @@ -229,22 +187,6 @@ impl SqliteIoMethods for MemFile { } fn write(&mut self, buf: *const c_void, size: usize, offset: usize) -> Result<()> { - /* - if( (iOfst + iAmt) > p->sz ) { - // Error if exceeds allocation - if( (iOfst+iAmt) > p->szMax ) { - return SQLITE_FULL; - } - // Pre-allocate space with memset - if( iOfst > p->sz ) { - memset(p->aData + p->sz, 0, iOfst - p->sz); - } - p->sz = iOfst + iAmt; - } - // append buf to memory - memcpy(p->aData + iOfst, buf, iAmt); - return SQLITE_OK; - */ let new_length = size + offset; if new_length > self.file_contents.len() { self.file_contents.resize(new_length, 0); @@ -260,18 +202,6 @@ impl SqliteIoMethods for MemFile { } fn truncate(&mut self, size: usize) -> Result<()> { - // original: - /* - if( size > p->sz ) { - if( size > p->szMax ) { - return SQLITE_FULL; - } - memset(p->aData + p->sz, 0, size-p->sz); // extend to what is required - } - p->sz = size; - return SQLITE_OK; - */ - self.file_contents.resize(size, 0); Ok(()) @@ -295,26 +225,11 @@ impl SqliteIoMethods for MemFile { } fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { - // *pResOut = 0 unsafe{ *p_res_out = 0; } - // TODO consider putting this in a struct Ok(()) } - // TODO implement later, what does it do anyway? fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - /* - int rc = SQLITE_NOTFOUND; - if( op==SQLITE_FCNTL_VFSNAME ){ - *(char**)pArg = sqlite3_mprintf("mem(%p,%lld)", p->aData, p->sz); - rc = SQLITE_OK; - } - // TODO use rust formatting and then create pointers - return rc; - */ - // TODO see if format! is actually easier and less unsafe: - // ...format!("{}", CString::new())... - unsafe { let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); let out: *mut *mut char = p_arg.cast(); @@ -326,11 +241,9 @@ impl SqliteIoMethods for MemFile { fn sector_size(&mut self) -> c_int { 1024 - // TODO consider putting this in a struct } fn device_characteristics(&mut self) -> c_int { - // TODO consider putting this in a struct SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | @@ -355,8 +268,8 @@ impl SqliteIoMethods for MemFile { } fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { - // orig: *pp = (void*)(p->aData + iOfst); let memory_location = self.file_contents.as_mut_ptr(); + // TODO alignment might be messed up unsafe { *pp = memory_location.add(offset).cast(); } Ok(()) } From 28eb73ad84c6394381e27ae2e2a002e51f11d318 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 03:08:18 +0200 Subject: [PATCH 030/142] ignore valgrind artefacts --- .gitignore | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/.gitignore b/.gitignore index 6c11d4f..e189c02 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,6 @@ target/ -*.db \ No newline at end of file +*.db +*.cdtor.c +*.res +*.cdtor.o +rustc*/ From 0be7839320a6c0464906e7b845f299873721ce14 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 03:16:09 +0200 Subject: [PATCH 031/142] solved CString mem leak --- examples/mem_vfs.rs | 21 ++++++++++++--------- src/vfs/file.rs | 6 ++++-- src/vfs/vfs.rs | 31 +++++++++++++++++++++++-------- tests/test_mem_vfs.rs | 21 ++++++++++++--------- 4 files changed, 51 insertions(+), 28 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 0381f6c..2933a5e 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -12,7 +12,8 @@ use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; -use std::ptr; +use std::rc::Rc; +use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, @@ -21,6 +22,7 @@ use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { + name: Rc, default_vfs: DefaultVfs, } @@ -54,7 +56,6 @@ impl SqliteVfs for MemVfs { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - // TODO figure out how to drop this, store a pointer to the vfs? unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) @@ -319,13 +320,15 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let vfs: sqlite3_vfs = create_vfs( - MemVfs { - default_vfs: unsafe { - // pass thru - DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) - } - }, EXTENSION_NAME, 1024); + let name = Rc::new(CString::new(EXTENSION_NAME).expect("should be fine")); + let mem_vfs = MemVfs { + name: name.clone(), + default_vfs: unsafe { + // pass thru + DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) + } + }; + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name.clone(), 1024, mem::size_of::().try_into().unwrap()); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; diff --git a/src/vfs/file.rs b/src/vfs/file.rs index bd056fc..d695327 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -6,9 +6,11 @@ use std::{os::raw::{c_int, c_void}}; use crate::{vfs::traits::SqliteIoMethods, ErrorKind}; -/// Let Box go out of scope, thus drop // TODO valgrind +/// Let Box go out of scope, thus drop whatever it's carrying pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); + Box::from_raw(b.methods_ptr.cast_mut()); + match (b.rust_methods_ptr).close() { Ok(()) => (), Err(e) => { @@ -19,7 +21,7 @@ pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> } } } - Box::from_raw(b.methods_ptr.cast_mut()); + 0 } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index f1bfb4c..7f3ce4f 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -2,9 +2,10 @@ #![ allow(unused)] use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, sqlite3_vfs_register, sqlite3_vfs_find}; -use std::ffi::CString; +use std::ffi::{CString, CStr}; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; +use std::rc::Rc; use crate::{ErrorKind, Error}; @@ -102,6 +103,7 @@ pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byt let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_error(n_byte, z_err_msg); + Box::into_raw(b); Box::into_raw(vfs); } @@ -123,6 +125,7 @@ pub unsafe extern "C" fn x_dl_sym( pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + b.dl_close(p_handle); } @@ -224,29 +227,42 @@ pub unsafe extern "C" fn x_next_system_call( result } -pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> sqlite3_vfs { +pub fn create_vfs(vfs: T, name: Rc, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { unsafe { let vfs_ptr = Box::into_raw(Box::::new(vfs)); - let size_ptr = std::mem::size_of::<*mut T>(); // this should remain the same - let vfs_name = CString::new(name).expect("valid string"); + + /// At least vfs_file_size bytes of memory are allocated by SQLite to hold the sqlite3_file + /// structure passed as the third argument to xOpen. The xOpen method does not have to + /// allocate the structure; it should just fill it in. sqlite3_vfs { iVersion: 3, pNext: ptr::null_mut(), pAppData: vfs_ptr.cast(), // raw box pointers sizes are all the same - szOsFile: size_ptr as i32, + szOsFile: vfs_file_size, mxPathname: max_path_name_size, - zName: vfs_name.into_raw(), - + zName: name.clone().as_ptr(), + xOpen: Some(x_open::), xDelete: Some(x_delete::), xAccess: Some(x_access::), xFullPathname: Some(x_full_pathname::), + + /// The following four VFS methods: + /// + /// xDlOpen + /// xDlError + /// xDlSym + /// xDlClose + /// + /// are supposed to implement the functionality needed by SQLite to load + /// extensions compiled as shared objects. xDlOpen: Some(x_dl_open::), xDlError: Some(x_dl_error::), xDlSym: Some(x_dl_sym::), xDlClose: Some(x_dl_close::), + xRandomness: Some(x_randomness::), xSleep: Some(x_sleep::), xCurrentTime: Some(x_current_time::), @@ -256,7 +272,6 @@ pub fn create_vfs(vfs: T, name: &str, max_path_name_size: i32) -> xGetSystemCall: Some(x_get_system_call::), xNextSystemCall: Some(x_next_system_call::), } - } } diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index d3fd009..172366b 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -12,7 +12,8 @@ use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; -use std::ptr; +use std::rc::Rc; +use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, @@ -21,6 +22,7 @@ use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { + name: Rc, default_vfs: DefaultVfs, } @@ -54,7 +56,6 @@ impl SqliteVfs for MemVfs { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - // TODO figure out how to drop this, store a pointer to the vfs? unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) @@ -319,13 +320,15 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let vfs: sqlite3_vfs = create_vfs( - MemVfs { - default_vfs: unsafe { - // pass thru - DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) - } - }, EXTENSION_NAME, 1024); + let name = Rc::new(CString::new(EXTENSION_NAME).expect("should be fine")); + let mem_vfs = MemVfs { + name: name.clone(), + default_vfs: unsafe { + // pass thru + DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) + } + }; + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name.clone(), 1024, mem::size_of::().try_into().unwrap()); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From 4a72c9e4b376958f26a96705df0e405c3d7799f3 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 04:07:04 +0200 Subject: [PATCH 032/142] no errors --- examples/mem_vfs.rs | 7 ++----- src/vfs/vfs.rs | 2 +- tests/test_mem_vfs.rs | 5 +---- 3 files changed, 4 insertions(+), 10 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 2933a5e..c8e661d 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -12,7 +12,6 @@ use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; -use std::rc::Rc; use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; @@ -22,7 +21,6 @@ use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { - name: Rc, default_vfs: DefaultVfs, } @@ -320,9 +318,8 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let name = Rc::new(CString::new(EXTENSION_NAME).expect("should be fine")); + let name = CString::new(EXTENSION_NAME).expect("should be fine"); let mem_vfs = MemVfs { - name: name.clone(), default_vfs: unsafe { // pass thru DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) @@ -336,4 +333,4 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; Ok(()) -} +} \ No newline at end of file diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 7f3ce4f..ad232b0 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -227,7 +227,7 @@ pub unsafe extern "C" fn x_next_system_call( result } -pub fn create_vfs(vfs: T, name: Rc, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { +pub fn create_vfs(vfs: T, name: CString, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { unsafe { let vfs_ptr = Box::into_raw(Box::::new(vfs)); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 172366b..bc54b0f 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -12,7 +12,6 @@ use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; -use std::rc::Rc; use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; @@ -22,7 +21,6 @@ use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { - name: Rc, default_vfs: DefaultVfs, } @@ -320,9 +318,8 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let name = Rc::new(CString::new(EXTENSION_NAME).expect("should be fine")); + let name = CString::new(EXTENSION_NAME).expect("should be fine"); let mem_vfs = MemVfs { - name: name.clone(), default_vfs: unsafe { // pass thru DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) From d5f7a8e72a91597377158dfad7bd783c1d13b092 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 04:24:20 +0200 Subject: [PATCH 033/142] unit tests work, but this error shows up when loading on test.sql Runtime error near line 8: no such vfs: memvfs Followed by a segfault --- tests/test_mem_vfs.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index bc54b0f..1863ef5 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -356,6 +356,13 @@ mod tests { conn.execute("CREATE TABLE t3(x, y)", ()); conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); + let result: String = conn + .query_row("select x from t3 where y = 4", (), |x| x.get(0)) + .unwrap(); + + assert_eq!(result, "a"); + + // TODO there's no evidence this is working at all conn.execute("memvfs_to_file('to.db')", ()); } } \ No newline at end of file From 9b25d723f6df95c6b5f3275753ca0ac8b17f970a Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 04:49:37 +0200 Subject: [PATCH 034/142] solved CString leak issue, uncovered other issues --- examples/mem_vfs.rs | 9 ++++++--- src/vfs/vfs.rs | 4 ++-- tests/test_mem_vfs.rs | 7 +++++-- 3 files changed, 13 insertions(+), 7 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index c8e661d..32e72fc 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -22,6 +22,7 @@ use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { default_vfs: DefaultVfs, + name: CString, } const EXTENSION_NAME: &str = "memvfs"; @@ -323,9 +324,11 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { default_vfs: unsafe { // pass thru DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) - } + }, + name: name }; - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name.clone(), 1024, mem::size_of::().try_into().unwrap()); + let name_ptr = mem_vfs.name.as_ptr(); + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem::size_of::().try_into().unwrap()); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; @@ -333,4 +336,4 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; Ok(()) -} \ No newline at end of file +} diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index ad232b0..9081428 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -227,7 +227,7 @@ pub unsafe extern "C" fn x_next_system_call( result } -pub fn create_vfs(vfs: T, name: CString, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { +pub fn create_vfs(vfs: T, name_ptr: *const c_char, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { unsafe { let vfs_ptr = Box::into_raw(Box::::new(vfs)); @@ -242,7 +242,7 @@ pub fn create_vfs(vfs: T, name: CString, max_path_name_size: i32, // raw box pointers sizes are all the same szOsFile: vfs_file_size, mxPathname: max_path_name_size, - zName: name.clone().as_ptr(), + zName: name_ptr, xOpen: Some(x_open::), xDelete: Some(x_delete::), diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 1863ef5..a9a0fab 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -22,6 +22,7 @@ use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { default_vfs: DefaultVfs, + name: CString, } const EXTENSION_NAME: &str = "memvfs"; @@ -323,9 +324,11 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { default_vfs: unsafe { // pass thru DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) - } + }, + name: name }; - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name.clone(), 1024, mem::size_of::().try_into().unwrap()); + let name_ptr = mem_vfs.name.as_ptr(); + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem::size_of::().try_into().unwrap()); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From 5dae5b4c5adf93976643d389e83c6acbedf6138d Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 05:37:48 +0200 Subject: [PATCH 035/142] when we Err, we leak, also refactored out error handling the unit test is happy One last error: Error writing to file : No such file or directory (os error 2) --- examples/mem_vfs.rs | 14 +-- src/vfs/file.rs | 211 ++++++++---------------------------------- src/vfs/vfs.rs | 172 ++++++++++++++++++++-------------- tests/test_mem_vfs.rs | 14 +-- 4 files changed, 155 insertions(+), 256 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 32e72fc..680c27c 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,6 +1,6 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; @@ -230,12 +230,12 @@ impl SqliteIoMethods for MemFile { } fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - unsafe { - let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); - let out: *mut *mut char = p_arg.cast(); - *out = new_args.cast(); // TODO test with scalar functions - } - + // Don't use this + // if op == SQLITE_FCNTL_VFSNAME { + // Ok(()) + // }else { + // Err(Error::new_message("Can't find vfs")) + // } Ok(()) } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index d695327..fe6a687 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -4,25 +4,15 @@ use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; use std::{os::raw::{c_int, c_void}}; -use crate::{vfs::traits::SqliteIoMethods, ErrorKind}; +use crate::{vfs::traits::SqliteIoMethods}; +use crate::{Error, Result, ErrorKind}; +use crate::vfs::vfs::handle_error; /// Let Box go out of scope, thus drop whatever it's carrying pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - Box::from_raw(b.methods_ptr.cast_mut()); - - match (b.rust_methods_ptr).close() { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } - - 0 + let result = (b.rust_methods_ptr).close(); + handle_error(result) } pub unsafe extern "C" fn x_read( @@ -32,20 +22,12 @@ pub unsafe extern "C" fn x_read( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).read(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).read(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()); Box::into_raw(b); - 0 + handle_error(result) } + pub unsafe extern "C" fn x_write( arg1: *mut sqlite3_file, buf: *const c_void, @@ -53,95 +35,52 @@ pub unsafe extern "C" fn x_write( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).write(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).write(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()); Box::into_raw(b); - 0 + handle_error(result) } + pub unsafe extern "C" fn x_truncate( arg1: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).truncate(size.try_into().unwrap()) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).truncate(size.try_into().unwrap()); Box::into_raw(b); - 0 + handle_error(result) } + pub unsafe extern "C" fn x_sync( - arg1: *mut sqlite3_file, // TODO convert + arg1: *mut sqlite3_file, flags: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).sync(flags) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).sync(flags); Box::into_raw(b); - 0 + handle_error(result) } + pub unsafe extern "C" fn x_file_size( arg1: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).file_size(pSize) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).file_size(pSize); Box::into_raw(b); - 0 + handle_error(result) } - pub unsafe extern "C" fn x_lock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).lock(arg2) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).lock(arg2); Box::into_raw(b); - 0 + handle_error(result) } pub unsafe extern "C" fn x_unlock( @@ -149,18 +88,9 @@ pub unsafe extern "C" fn x_unlock( arg2: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).unlock(arg2) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).unlock(arg2); Box::into_raw(b); - 0 + handle_error(result) } pub unsafe extern "C" fn x_check_reserved_lock( @@ -168,18 +98,9 @@ pub unsafe extern "C" fn x_check_reserved_lock( pResOut: *mut c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).check_reserved_lock(pResOut) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).check_reserved_lock(pResOut); Box::into_raw(b); - 0 + handle_error(result) } pub unsafe extern "C" fn x_file_control( @@ -188,20 +109,12 @@ pub unsafe extern "C" fn x_file_control( pArg: *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).file_control(op, pArg) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).file_control(op, pArg); Box::into_raw(b); - 0 + handle_error(result) } + pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).sector_size(); @@ -224,18 +137,9 @@ pub unsafe extern "C" fn x_shm_map( arg3: *mut *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).shm_map(iPg, pgsz, arg2, arg3) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).shm_map(iPg, pgsz, arg2, arg3); Box::into_raw(b); - 0 + handle_error(result) } pub unsafe extern "C" fn x_shm_lock( @@ -245,20 +149,12 @@ pub unsafe extern "C" fn x_shm_lock( flags: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).shm_lock(offset, n, flags) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).shm_lock(offset, n, flags); Box::into_raw(b); - 0 + handle_error(result) } + pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { let mut b = Box::>::from_raw(arg1.cast::>()); (b.rust_methods_ptr).shm_barrier(); @@ -270,18 +166,9 @@ pub unsafe extern "C" fn x_shm_unmap( deleteFlag: c_int, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).shm_unmap(deleteFlag) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).shm_unmap(deleteFlag); Box::into_raw(b); - 0 + handle_error(result) } pub unsafe extern "C" fn x_fetch( @@ -291,18 +178,9 @@ pub unsafe extern "C" fn x_fetch( pp: *mut *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).fetch(iOfst.try_into().unwrap(), iAmt.try_into().unwrap(), pp) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).fetch(iOfst.try_into().unwrap(), iAmt.try_into().unwrap(), pp); Box::into_raw(b); - 0 + handle_error(result) } pub unsafe extern "C" fn x_unfetch( @@ -311,18 +189,9 @@ pub unsafe extern "C" fn x_unfetch( p: *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - match (b.rust_methods_ptr).unfetch(iOfst.try_into().unwrap(), p) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + let result = (b.rust_methods_ptr).unfetch(iOfst.try_into().unwrap(), p); Box::into_raw(b); - 0 + handle_error(result) } // C struct polymorphism, given the alignment and field sequence diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 9081428..9cdbd14 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,5 +1,5 @@ -#![ allow(non_snake_case)] -#![ allow(unused)] +#![allow(non_snake_case)] +#![allow(unused)] use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, sqlite3_vfs_register, sqlite3_vfs_find}; use std::ffi::{CString, CStr}; @@ -11,6 +11,19 @@ use crate::{ErrorKind, Error}; use super::traits::SqliteVfs; +pub(crate) fn handle_error(result: Result<(), Error>) -> c_int { + match result { + Ok(()) => 0, + Err(e) => { + if let ErrorKind::DefineVfs(i) = *e.kind() { + i + } else { + -1 + } + } + } +} + pub unsafe extern "C" fn x_open( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, @@ -20,90 +33,84 @@ pub unsafe extern "C" fn x_open( ) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - - match b.open(z_name, p_file, flags, p_out_flags) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + + let result = b.open(z_name, p_file, flags, p_out_flags); Box::into_raw(b); Box::into_raw(vfs); - 0 + + handle_error(result) } -pub unsafe extern "C" fn x_delete(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int) -> c_int { +pub unsafe extern "C" fn x_delete( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + sync_dir: c_int, +) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - match b.delete(z_name, sync_dir) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + + let result = b.delete(z_name, sync_dir); Box::into_raw(b); Box::into_raw(vfs); - 0 + + handle_error(result) } -pub unsafe extern "C" fn x_access(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> c_int { +pub unsafe extern "C" fn x_access( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + flags: c_int, + p_res_out: *mut c_int, +) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - match b.access(z_name, flags, p_res_out) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + + let result = b.access(z_name, flags, p_res_out); Box::into_raw(b); Box::into_raw(vfs); - 0 + + handle_error(result) } -pub unsafe extern "C" fn x_full_pathname(p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> c_int { +pub unsafe extern "C" fn x_full_pathname( + p_vfs: *mut sqlite3_vfs, + z_name: *const c_char, + n_out: c_int, + z_out: *mut c_char, +) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - match b.full_pathname(z_name, n_out, z_out) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + + let result = b.full_pathname(z_name, n_out, z_out); Box::into_raw(b); Box::into_raw(vfs); - 0 + + handle_error(result) } -pub unsafe extern "C" fn x_dl_open(p_vfs: *mut sqlite3_vfs, z_filename: *const c_char) -> *mut c_void { +pub unsafe extern "C" fn x_dl_open( + p_vfs: *mut sqlite3_vfs, + z_filename: *const c_char, +) -> *mut c_void { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let out = b.dl_open(z_filename); Box::into_raw(b); Box::into_raw(vfs); + out } -pub unsafe extern "C" fn x_dl_error(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char) { +pub unsafe extern "C" fn x_dl_error( + p_vfs: *mut sqlite3_vfs, + n_byte: c_int, + z_err_msg: *mut c_char, +) { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - b.dl_error(n_byte, z_err_msg); + b.dl_error(n_byte, z_err_msg); Box::into_raw(b); Box::into_raw(vfs); } @@ -115,44 +122,67 @@ pub unsafe extern "C" fn x_dl_sym( ) -> Option { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + b.dl_sym(p_handle, z_symbol); Box::into_raw(b); Box::into_raw(vfs); + None } /// Let Box go out of scope, thus drop // TODO valgrind -pub unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { +pub unsafe extern "C" fn x_dl_close( + p_vfs: *mut sqlite3_vfs, + p_handle: *mut c_void, +) { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_close(p_handle); + Box::into_raw(b); + Box::into_raw(vfs); } -pub unsafe extern "C" fn x_randomness(p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char) -> c_int { +pub unsafe extern "C" fn x_randomness( + p_vfs: *mut sqlite3_vfs, + n_byte: c_int, + z_out: *mut c_char, +) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.randomness(n_byte, z_out); Box::into_raw(b); Box::into_raw(vfs); + result } -pub unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { +pub unsafe extern "C" fn x_sleep( + p_vfs: *mut sqlite3_vfs, + microseconds: c_int, +) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.sleep(microseconds); Box::into_raw(b); Box::into_raw(vfs); + result } -pub unsafe extern "C" fn x_current_time(p_vfs: *mut sqlite3_vfs, p_time: *mut f64) -> c_int { +pub unsafe extern "C" fn x_current_time( + p_vfs: *mut sqlite3_vfs, + p_time: *mut f64, +) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.current_time(p_time); Box::into_raw(b); Box::into_raw(vfs); + result } @@ -163,19 +193,12 @@ pub unsafe extern "C" fn x_get_last_error( ) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - match b.get_last_error(err_code, z_err_msg) { - Ok(()) => (), - Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - return i; - }else { - return -1; - } - } - } + + let result = b.get_last_error(err_code, z_err_msg); Box::into_raw(b); Box::into_raw(vfs); - 0 + + handle_error(result) } pub unsafe extern "C" fn x_current_time_int64( @@ -184,9 +207,11 @@ pub unsafe extern "C" fn x_current_time_int64( ) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.current_time_int64(p_time); Box::into_raw(b); Box::into_raw(vfs); + result } @@ -197,9 +222,11 @@ pub unsafe extern "C" fn x_set_system_call( ) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.set_system_call(z_name, p_call); Box::into_raw(b); Box::into_raw(vfs); + result } @@ -209,9 +236,11 @@ pub unsafe extern "C" fn x_get_system_call( ) -> sqlite3_syscall_ptr { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.get_system_call(z_name); Box::into_raw(b); Box::into_raw(vfs); + result } @@ -221,9 +250,11 @@ pub unsafe extern "C" fn x_next_system_call( ) -> *const c_char { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); + let result = b.next_system_call(z_name); Box::into_raw(b); Box::into_raw(vfs); + result } @@ -278,12 +309,11 @@ pub fn create_vfs(vfs: T, name_ptr: *const c_char, max_path_name_s pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result<()> { let translate_to_int = if make_default { 1 } else { 0 }; - let result = unsafe { sqlite3_vfs_register(Box::into_raw(Box::new(vfs)), - translate_to_int) }; + let result = unsafe { sqlite3_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; if result == 0 { Ok(()) } else { Err(Error::new_message(format!("sqlite3_vfs_register failed with error code: {}", result))) } -} \ No newline at end of file +} diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index a9a0fab..5e86632 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,6 +1,6 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; @@ -230,12 +230,12 @@ impl SqliteIoMethods for MemFile { } fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - unsafe { - let new_args: *mut c_char = sqlite3_mprintf(CString::new("%p,%lld").expect("should be fine").clone().as_ptr(), self.file_contents.as_ptr(), self.file_contents.len()); - let out: *mut *mut char = p_arg.cast(); - *out = new_args.cast(); // TODO test with scalar functions - } - + // Don't use this + // if op == SQLITE_FCNTL_VFSNAME { + // Ok(()) + // }else { + // Err(Error::new_message("Can't find vfs")) + // } Ok(()) } From 374d432014ccc04ee3576adda083d30aaabb5ffe Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 06:45:29 +0200 Subject: [PATCH 036/142] some minor clean up apparently szOsFile will leak the same amount regardless of the value there dropping in close just breaks the whole extension --- src/vfs/file.rs | 7 +++++-- tests/test_mem_vfs.rs | 22 +++++++--------------- 2 files changed, 12 insertions(+), 17 deletions(-) diff --git a/src/vfs/file.rs b/src/vfs/file.rs index fe6a687..26e4eea 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -8,10 +8,13 @@ use crate::{vfs::traits::SqliteIoMethods}; use crate::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; -/// Let Box go out of scope, thus drop whatever it's carrying pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).close(); + // We let sqlite3 free the File, but it will leak if the Box + // is bigger than we suggested when registering the vfs + // TODO Set the value required, as reported by valgrind, do this dynamically later + Box::into_raw(b); handle_error(result) } @@ -240,4 +243,4 @@ pub fn create_file_pointer(actual_methods: T) -> *mut sqlite p.cast() } -} +} \ No newline at end of file diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 5e86632..f8db91e 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,6 +1,6 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME, SQLITE_FCNTL_FILE_POINTER}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; @@ -55,7 +55,7 @@ impl SqliteVfs for MemVfs { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - unsafe { *p_file = *create_file_pointer( mem_file ); } + unsafe { *p_file = *create_file_pointer( mem_file ); } // TODO valgrind: this leaks Ok(()) } @@ -77,7 +77,6 @@ impl SqliteVfs for MemVfs { let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); let dst_ptr = z_out; - // TODO review if we need the nul ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); name.into_raw(); } @@ -168,16 +167,12 @@ impl SqliteIoMethods for MemFile { } fn read(&mut self, buf: *mut c_void, size: usize, offset: usize) -> Result<()> { - /* - memcpy(buf, p->aData+iOfst, iAmt); - */ - let source = &mut self.file_contents; if source.len() < size { let new_len = offset + size; let prev_len = source.len(); source.resize(new_len, 0); - source.extend(vec![0; new_len - prev_len]); + source.extend(vec![0; new_len - prev_len]); // TODO valgrind: this leaks } let src_ptr = source[offset..(size-1)].as_ptr(); @@ -269,7 +264,7 @@ impl SqliteIoMethods for MemFile { fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { let memory_location = self.file_contents.as_mut_ptr(); - // TODO alignment might be messed up + // TODO determine alignment might be messed up unsafe { *pp = memory_location.add(offset).cast(); } Ok(()) } @@ -298,13 +293,9 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let db = unsafe { sqlite3_context_db_handle(context) }; - // ? is more idiomatic, but this shouldn't fail let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); let schema_ptr = schema.as_ptr(); - // workaround for bindings.rs generated with the wrong type - const SQLITE_FCNTL_FILE_POINTER: i32 = 7; - unsafe { sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; @@ -313,7 +304,6 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> file.flush().map_err(|_| Error::new_message("can't flush file"))?; - // TODO really check for memory leaks Ok(()) } @@ -328,7 +318,9 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { name: name }; let name_ptr = mem_vfs.name.as_ptr(); - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem::size_of::().try_into().unwrap()); + // let mem_file_size = mem::size_of::().try_into().unwrap(); + let mem_file_size = 0; + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem_file_size); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From 9ad9016e1795ffc3cb9f2f192009668384b7e915 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 06:58:44 +0200 Subject: [PATCH 037/142] minor clean up; the same error is back on the loadable extension Runtime error near line 8: no such vfs: memvfs --- examples/mem_vfs.rs | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 680c27c..eaeef4c 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,6 +1,6 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME, SQLITE_FCNTL_FILE_POINTER}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; @@ -55,7 +55,7 @@ impl SqliteVfs for MemVfs { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - unsafe { *p_file = *create_file_pointer( mem_file ); } + unsafe { *p_file = *create_file_pointer( mem_file ); } // TODO valgrind: this leaks Ok(()) } @@ -77,7 +77,6 @@ impl SqliteVfs for MemVfs { let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); let dst_ptr = z_out; - // TODO review if we need the nul ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); name.into_raw(); } @@ -168,16 +167,12 @@ impl SqliteIoMethods for MemFile { } fn read(&mut self, buf: *mut c_void, size: usize, offset: usize) -> Result<()> { - /* - memcpy(buf, p->aData+iOfst, iAmt); - */ - let source = &mut self.file_contents; if source.len() < size { let new_len = offset + size; let prev_len = source.len(); source.resize(new_len, 0); - source.extend(vec![0; new_len - prev_len]); + source.extend(vec![0; new_len - prev_len]); // TODO valgrind: this leaks } let src_ptr = source[offset..(size-1)].as_ptr(); @@ -269,7 +264,7 @@ impl SqliteIoMethods for MemFile { fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { let memory_location = self.file_contents.as_mut_ptr(); - // TODO alignment might be messed up + // TODO determine alignment might be messed up unsafe { *pp = memory_location.add(offset).cast(); } Ok(()) } @@ -298,13 +293,9 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let db = unsafe { sqlite3_context_db_handle(context) }; - // ? is more idiomatic, but this shouldn't fail let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); let schema_ptr = schema.as_ptr(); - // workaround for bindings.rs generated with the wrong type - const SQLITE_FCNTL_FILE_POINTER: i32 = 7; - unsafe { sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; @@ -313,7 +304,6 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> file.flush().map_err(|_| Error::new_message("can't flush file"))?; - // TODO really check for memory leaks Ok(()) } @@ -328,7 +318,9 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { name: name }; let name_ptr = mem_vfs.name.as_ptr(); - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem::size_of::().try_into().unwrap()); + // let mem_file_size = mem::size_of::().try_into().unwrap(); + let mem_file_size = 0; + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem_file_size); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From 074a53b5b1e7d9180d9eed38f5d138aad99f157e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 16:21:12 +0200 Subject: [PATCH 038/142] it turns out when something is unsafe, sometimes people really mean it an unsafe set_len was causing a leak --- examples/mem_vfs.rs | 2 -- tests/test_mem_vfs.rs | 2 -- 2 files changed, 4 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index eaeef4c..67d7cf1 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -33,8 +33,6 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; - unsafe { dest.set_len(file_size) }; - file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; Ok(()) diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index f8db91e..5a615a9 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -33,8 +33,6 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; - unsafe { dest.set_len(file_size) }; - file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; Ok(()) From 65e03eb3a09c5ecd109e010802818fe49e851992 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 17:13:10 +0200 Subject: [PATCH 039/142] clean up, no leaks detected, we still have a segfault when actually loading the extension --- examples/mem_vfs.rs | 73 +++++++++++++++++++++++++++++-------------- src/vfs/default.rs | 12 +++---- src/vfs/file.rs | 18 +++++------ src/vfs/traits.rs | 18 +++++------ src/vfs/vfs.rs | 13 +++++--- tests/test_mem_vfs.rs | 41 ++++++++++-------------- 6 files changed, 96 insertions(+), 79 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 67d7cf1..8783240 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -53,7 +53,7 @@ impl SqliteVfs for MemVfs { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - unsafe { *p_file = *create_file_pointer( mem_file ); } // TODO valgrind: this leaks + unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) } @@ -69,9 +69,9 @@ impl SqliteVfs for MemVfs { Ok(()) } - /// n_out provides crazy big numbers, so we rely on CString to detect the end of line char fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { unsafe { + // don't rely on type conversion of n_out to determine the end line char let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); let dst_ptr = z_out; @@ -156,21 +156,19 @@ impl MemFile { } impl SqliteIoMethods for MemFile { - /// The original example contains an explicit deallocation, - /// but the base implementation takes care of that already - /// with a Box::from_raw, that forces the datastructure - /// to drop at the end of the scope fn close(&mut self) -> Result<()> { Ok(()) } - fn read(&mut self, buf: *mut c_void, size: usize, offset: usize) -> Result<()> { + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + let size: usize = s.try_into().unwrap(); + let offset = ofst.try_into().unwrap(); let source = &mut self.file_contents; if source.len() < size { let new_len = offset + size; let prev_len = source.len(); source.resize(new_len, 0); - source.extend(vec![0; new_len - prev_len]); // TODO valgrind: this leaks + source.extend(vec![0; new_len - prev_len]); } let src_ptr = source[offset..(size-1)].as_ptr(); @@ -179,7 +177,9 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn write(&mut self, buf: *const c_void, size: usize, offset: usize) -> Result<()> { + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + let size = s.try_into().unwrap(); + let offset = ofst.try_into().unwrap(); let new_length = size + offset; if new_length > self.file_contents.len() { self.file_contents.resize(new_length, 0); @@ -194,8 +194,8 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn truncate(&mut self, size: usize) -> Result<()> { - self.file_contents.resize(size, 0); + fn truncate(&mut self, size: i64) -> Result<()> { + self.file_contents.resize(size.try_into().unwrap(), 0); Ok(()) } @@ -222,13 +222,8 @@ impl SqliteIoMethods for MemFile { Ok(()) } + // it's probably easier to pass parameters via the uri in the custom function fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - // Don't use this - // if op == SQLITE_FCNTL_VFSNAME { - // Ok(()) - // }else { - // Err(Error::new_message("Can't find vfs")) - // } Ok(()) } @@ -260,14 +255,13 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { let memory_location = self.file_contents.as_mut_ptr(); - // TODO determine alignment might be messed up - unsafe { *pp = memory_location.add(offset).cast(); } + unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } Ok(()) } - fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { Ok(()) } } @@ -316,9 +310,8 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { name: name }; let name_ptr = mem_vfs.name.as_ptr(); - // let mem_file_size = mem::size_of::().try_into().unwrap(); - let mem_file_size = 0; - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem_file_size); + + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; @@ -327,3 +320,35 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { Ok(()) } + +#[cfg(test)] +mod tests { + use super::*; + + use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + + #[test] + fn test_rusqlite_auto_extension() { + unsafe { + sqlite3_auto_extension(Some(std::mem::transmute( + sqlite3_memvfs_init as *const (), + ))); + } + + let conn = Connection::open_in_memory().unwrap(); + + conn.execute("ATTACH memvfs_from_file('from.db') AS inmem;", ()); + + conn.execute("CREATE TABLE t3(x, y)", ()); + conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); + + let result: String = conn + .query_row("select x from t3 where y = 4", (), |x| x.get(0)) + .unwrap(); + + assert_eq!(result, "a"); + + // TODO there's no evidence this is working at all + conn.execute("memvfs_to_file('to.db')", ()); + } +} \ No newline at end of file diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 87bba3b..ea72e4b 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -298,7 +298,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn read(&mut self, buf: *mut c_void, i_amt: usize, i_ofst: usize) -> Result<()> { + fn read(&mut self, buf: *mut c_void, i_amt: i32, i_ofst: i64) -> Result<()> { unsafe { if let Some(xRead) = ((*self.default_methods_ptr).xRead) { let result = xRead(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); @@ -316,8 +316,8 @@ impl SqliteIoMethods for DefaultFile { fn write( &mut self, buf: *const c_void, - i_amt: usize, - i_ofst: usize, + i_amt: i32, + i_ofst: i64, ) -> Result<()> { unsafe { if let Some(xWrite) = ((*self.default_methods_ptr).xWrite) { @@ -333,7 +333,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn truncate(&mut self, size: usize) -> Result<()> { + fn truncate(&mut self, size: i64) -> Result<()> { unsafe { if let Some(xTruncate) = ((*self.default_methods_ptr).xTruncate) { let result = xTruncate(self.default_file_ptr, size.try_into().unwrap()); @@ -514,7 +514,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn fetch(&mut self, i_ofst: usize, i_amt: usize, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, i_ofst: i64, i_amt: i32, pp: *mut *mut c_void) -> Result<()> { unsafe { if let Some(xFetch) = ((*self.default_methods_ptr).xFetch) { let result = xFetch(self.default_file_ptr, i_ofst.try_into().unwrap(), i_amt.try_into().unwrap(), pp); @@ -529,7 +529,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { unsafe { if let Some(xUnfetch) = ((*self.default_methods_ptr).xUnfetch) { let result = xUnfetch(self.default_file_ptr,i_ofst.try_into().unwrap(), p); diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 26e4eea..3da4e2f 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -8,13 +8,10 @@ use crate::{vfs::traits::SqliteIoMethods}; use crate::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; +/// Let Boxes go out of scope, thus drop pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).close(); - // We let sqlite3 free the File, but it will leak if the Box - // is bigger than we suggested when registering the vfs - // TODO Set the value required, as reported by valgrind, do this dynamically later - Box::into_raw(b); handle_error(result) } @@ -25,7 +22,7 @@ pub unsafe extern "C" fn x_read( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).read(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()); + let result = (b.rust_methods_ptr).read(buf, iAmt, iOfst); Box::into_raw(b); handle_error(result) } @@ -38,7 +35,7 @@ pub unsafe extern "C" fn x_write( iOfst: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).write(buf, iAmt.try_into().unwrap(), iOfst.try_into().unwrap()); + let result = (b.rust_methods_ptr).write(buf, iAmt, iOfst); Box::into_raw(b); handle_error(result) } @@ -49,7 +46,7 @@ pub unsafe extern "C" fn x_truncate( size: sqlite3_int64, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).truncate(size.try_into().unwrap()); + let result = (b.rust_methods_ptr).truncate(size); Box::into_raw(b); handle_error(result) } @@ -181,7 +178,7 @@ pub unsafe extern "C" fn x_fetch( pp: *mut *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).fetch(iOfst.try_into().unwrap(), iAmt.try_into().unwrap(), pp); + let result = (b.rust_methods_ptr).fetch(iOfst, iAmt, pp); Box::into_raw(b); handle_error(result) } @@ -192,13 +189,12 @@ pub unsafe extern "C" fn x_unfetch( p: *mut c_void, ) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).unfetch(iOfst.try_into().unwrap(), p); + let result = (b.rust_methods_ptr).unfetch(iOfst, p); Box::into_raw(b); handle_error(result) } -// C struct polymorphism, given the alignment and field sequence -// remain the same, then again, T might ruin the party +// C struct polymorphism, given the alignment and field sequence are the same #[repr(C)] pub struct FilePolymorph { pub methods_ptr: *const sqlite3_io_methods, diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 8a8f8ef..60e8585 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -4,23 +4,23 @@ use std::os::raw::{c_int, c_void, c_char}; use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; -// TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) +// TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement pub trait SqliteIoMethods { fn close(&mut self) -> Result<()>; fn read( &mut self, buf: *mut c_void, - i_amt: usize, - i_ofst: usize, + i_amt: i32, + i_ofst: i64, ) -> Result<()>; fn write( &mut self, buf: *const c_void, - i_amt: usize, - i_ofst: usize, + i_amt: i32, + i_ofst: i64, ) -> Result<()>; - fn truncate(&mut self, size: usize) -> Result<()>; + fn truncate(&mut self, size: i64) -> Result<()>; fn sync(&mut self, flags: c_int) -> Result<()>; fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()>; fn lock(&mut self, arg2: c_int) -> Result<()>; @@ -56,13 +56,13 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn fetch( &mut self, - i_ofst: usize, - i_amt: usize, + i_ofst: sqlite3_int64, + i_amt: c_int, pp: *mut *mut c_void, ) -> Result<()>; fn unfetch( &mut self, - i_ofst: usize, + i_ofst: sqlite3_int64, p: *mut c_void, ) -> Result<()>; } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 9cdbd14..d8ce3b5 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -130,7 +130,7 @@ pub unsafe extern "C" fn x_dl_sym( None } -/// Let Box go out of scope, thus drop // TODO valgrind +/// Let Boxes go out of scope, thus drop pub unsafe extern "C" fn x_dl_close( p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void, @@ -139,8 +139,6 @@ pub unsafe extern "C" fn x_dl_close( let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_close(p_handle); - Box::into_raw(b); - Box::into_raw(vfs); } pub unsafe extern "C" fn x_randomness( @@ -258,20 +256,25 @@ pub unsafe extern "C" fn x_next_system_call( result } -pub fn create_vfs(vfs: T, name_ptr: *const c_char, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { +pub fn create_vfs(vfs: T, name_ptr: *const c_char, max_path_name_size: i32, vfs_file_size: Option) -> sqlite3_vfs { unsafe { let vfs_ptr = Box::into_raw(Box::::new(vfs)); + /// According to the documentation: /// At least vfs_file_size bytes of memory are allocated by SQLite to hold the sqlite3_file /// structure passed as the third argument to xOpen. The xOpen method does not have to /// allocate the structure; it should just fill it in. + /// + /// But dropping seems to work without any leaks, double frees etc. + let min_vfs_file_size = vfs_file_size.unwrap_or(0); + sqlite3_vfs { iVersion: 3, pNext: ptr::null_mut(), pAppData: vfs_ptr.cast(), // raw box pointers sizes are all the same - szOsFile: vfs_file_size, + szOsFile: min_vfs_file_size, mxPathname: max_path_name_size, zName: name_ptr, diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 5a615a9..8783240 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -53,7 +53,7 @@ impl SqliteVfs for MemVfs { write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; } - unsafe { *p_file = *create_file_pointer( mem_file ); } // TODO valgrind: this leaks + unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) } @@ -69,9 +69,9 @@ impl SqliteVfs for MemVfs { Ok(()) } - /// n_out provides crazy big numbers, so we rely on CString to detect the end of line char fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { unsafe { + // don't rely on type conversion of n_out to determine the end line char let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); let dst_ptr = z_out; @@ -156,21 +156,19 @@ impl MemFile { } impl SqliteIoMethods for MemFile { - /// The original example contains an explicit deallocation, - /// but the base implementation takes care of that already - /// with a Box::from_raw, that forces the datastructure - /// to drop at the end of the scope fn close(&mut self) -> Result<()> { Ok(()) } - fn read(&mut self, buf: *mut c_void, size: usize, offset: usize) -> Result<()> { + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + let size: usize = s.try_into().unwrap(); + let offset = ofst.try_into().unwrap(); let source = &mut self.file_contents; if source.len() < size { let new_len = offset + size; let prev_len = source.len(); source.resize(new_len, 0); - source.extend(vec![0; new_len - prev_len]); // TODO valgrind: this leaks + source.extend(vec![0; new_len - prev_len]); } let src_ptr = source[offset..(size-1)].as_ptr(); @@ -179,7 +177,9 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn write(&mut self, buf: *const c_void, size: usize, offset: usize) -> Result<()> { + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + let size = s.try_into().unwrap(); + let offset = ofst.try_into().unwrap(); let new_length = size + offset; if new_length > self.file_contents.len() { self.file_contents.resize(new_length, 0); @@ -194,8 +194,8 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn truncate(&mut self, size: usize) -> Result<()> { - self.file_contents.resize(size, 0); + fn truncate(&mut self, size: i64) -> Result<()> { + self.file_contents.resize(size.try_into().unwrap(), 0); Ok(()) } @@ -222,13 +222,8 @@ impl SqliteIoMethods for MemFile { Ok(()) } + // it's probably easier to pass parameters via the uri in the custom function fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { - // Don't use this - // if op == SQLITE_FCNTL_VFSNAME { - // Ok(()) - // }else { - // Err(Error::new_message("Can't find vfs")) - // } Ok(()) } @@ -260,14 +255,13 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn fetch(&mut self, offset: usize, size: usize, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { let memory_location = self.file_contents.as_mut_ptr(); - // TODO determine alignment might be messed up - unsafe { *pp = memory_location.add(offset).cast(); } + unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } Ok(()) } - fn unfetch(&mut self, i_ofst: usize, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { Ok(()) } } @@ -316,9 +310,8 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { name: name }; let name_ptr = mem_vfs.name.as_ptr(); - // let mem_file_size = mem::size_of::().try_into().unwrap(); - let mem_file_size = 0; - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, mem_file_size); + + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; From 588896656ec97cbb7d8f79387c4675e87fb23906 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 17:38:14 +0200 Subject: [PATCH 040/142] add command to check build options of sqilte --- Dockerfile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Dockerfile b/Dockerfile index 0daf5eb..59a53fe 100644 --- a/Dockerfile +++ b/Dockerfile @@ -6,3 +6,5 @@ ENV RUST_VERSION=stable RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=$RUST_VERSION # Install cargo-valgrind RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind" +# Check sqlite compile options: +RUN echo "PRAGMA compile_options;" | sqlite3 From bbd0d00e030b28f9d6c4153b7816a43fe0fc6196 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 18:58:37 +0200 Subject: [PATCH 041/142] actually, the extension is loading, only the vfs_to_file memfaults --- examples/mem_vfs.rs | 42 +++++------------------------------------- src/ext.rs | 43 ++++++++++++++++++++++++++++++++++++++++--- src/table.rs | 6 +++--- src/vfs/file.rs | 1 + src/vfs/vfs.rs | 8 +++++--- tests/test_mem_vfs.rs | 10 +++++----- 6 files changed, 59 insertions(+), 51 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 8783240..23aad91 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,6 +1,7 @@ #![allow(unused)] use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME, SQLITE_FCNTL_FILE_POINTER}; +use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; @@ -13,11 +14,10 @@ use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; use std::{ptr, mem}; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; -use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { @@ -283,12 +283,12 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); - let db = unsafe { sqlite3_context_db_handle(context) }; + let db = unsafe { sqlite3ext_context_db_handle(context) }; let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); let schema_ptr = schema.as_ptr(); - unsafe { sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; + unsafe { sqlite3ext_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; @@ -305,7 +305,7 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let mem_vfs = MemVfs { default_vfs: unsafe { // pass thru - DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) + DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) }, name: name }; @@ -320,35 +320,3 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { Ok(()) } - -#[cfg(test)] -mod tests { - use super::*; - - use rusqlite::{ffi::sqlite3_auto_extension, Connection}; - - #[test] - fn test_rusqlite_auto_extension() { - unsafe { - sqlite3_auto_extension(Some(std::mem::transmute( - sqlite3_memvfs_init as *const (), - ))); - } - - let conn = Connection::open_in_memory().unwrap(); - - conn.execute("ATTACH memvfs_from_file('from.db') AS inmem;", ()); - - conn.execute("CREATE TABLE t3(x, y)", ()); - conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); - - let result: String = conn - .query_row("select x from t3 where y = 4", (), |x| x.get(0)) - .unwrap(); - - assert_eq!(result, "a"); - - // TODO there's no evidence this is working at all - conn.execute("memvfs_to_file('to.db')", ()); - } -} \ No newline at end of file diff --git a/src/ext.rs b/src/ext.rs index 86458ed..681d73b 100644 --- a/src/ext.rs +++ b/src/ext.rs @@ -26,11 +26,11 @@ use sqlite3ext_sys::{ sqlite3_result_pointer, sqlite3_result_text, sqlite3_set_auxdata, sqlite3_step, sqlite3_stmt, sqlite3_value, sqlite3_value_blob, sqlite3_value_bytes, sqlite3_value_double, sqlite3_value_int, sqlite3_value_int64, sqlite3_value_pointer, sqlite3_value_subtype, - sqlite3_value_text, sqlite3_value_type, + sqlite3_value_text, sqlite3_value_type, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, sqlite3_vfs, sqlite3_file_control, }; /// If creating a dynmically loadable extension, this MUST be redefined to point -/// to a proper sqlite3_api_rountines module (from a entrypoint function). +/// to a proper sqlite3_api_routines module (from a entrypoint function). /// The "sqlite_entrypoint" macro will do this for you usually. static mut SQLITE3_API: *mut sqlite3_api_routines = std::ptr::null_mut(); @@ -400,7 +400,7 @@ pub unsafe fn sqlite3ext_vtab_in_next( ((*SQLITE3_API).vtab_in_next.expect(EXPECT_MESSAGE))(value_list, value_out) } -pub unsafe fn sqlitex_declare_vtab(db: *mut sqlite3, s: *const c_char) -> i32 { +pub unsafe fn sqlite3ext_declare_vtab(db: *mut sqlite3, s: *const c_char) -> i32 { if SQLITE3_API.is_null() { return sqlite3_declare_vtab(db, s); } @@ -418,3 +418,40 @@ pub unsafe fn sqlite3ext_context_db_handle(context: *mut sqlite3_context) -> *mu } ((*SQLITE3_API).context_db_handle.expect(EXPECT_MESSAGE))(context) } + +pub unsafe fn sqlite3ext_vfs_unregister(vfs_ptr: *mut sqlite3_vfs) -> i32 { + if SQLITE3_API.is_null() { + return sqlite3_vfs_unregister(vfs_ptr); + } + ((*SQLITE3_API).vfs_unregister.expect(EXPECT_MESSAGE))(vfs_ptr) +} + +pub unsafe fn sqlite3ext_vfs_register( + vfs_ptr: *mut sqlite3_vfs, + make_default: i32, +) -> i32 { + if SQLITE3_API.is_null() { + return sqlite3_vfs_register(vfs_ptr, make_default); + } + ((*SQLITE3_API).vfs_register.expect(EXPECT_MESSAGE))(vfs_ptr, make_default) +} + +pub unsafe fn sqlite3ext_vfs_find(name: *const c_char) -> *mut sqlite3_vfs { + if SQLITE3_API.is_null() { + return sqlite3_vfs_find(name); + } + ((*SQLITE3_API).vfs_find.expect(EXPECT_MESSAGE))(name) +} + +pub unsafe fn sqlite3ext_file_control ( + db: *mut sqlite3, + name: *const c_char, + option: c_int, + data: *mut c_void, +) -> c_int { + if SQLITE3_API.is_null() { + return sqlite3_file_control(db, name, option, data); + } + ((*SQLITE3_API).file_control.expect(EXPECT_MESSAGE))(db, name, option, data) +} + diff --git a/src/table.rs b/src/table.rs index 7e4a4b8..16fef34 100644 --- a/src/table.rs +++ b/src/table.rs @@ -24,7 +24,7 @@ use crate::ext::{ sqlite3ext_create_module_v2, sqlite3ext_vtab_distinct, sqlite3ext_vtab_in_first, sqlite3ext_vtab_in_next, }; -use crate::ext::{sqlite3ext_vtab_in, sqlitex_declare_vtab}; +use crate::ext::{sqlite3ext_vtab_in, sqlite3ext_declare_vtab}; use serde::{Deserialize, Serialize}; /// Possible operators for a given constraint, found and used in xBestIndex and xFilter. @@ -826,7 +826,7 @@ where match T::create(db, aux.as_ref(), args) { Ok((sql, vtab)) => match CString::new(sql) { Ok(c_sql) => { - let rc = sqlitex_declare_vtab(db, c_sql.as_ptr()); + let rc = sqlite3ext_declare_vtab(db, c_sql.as_ptr()); if rc == SQLITE_OKAY { let boxed_vtab: *mut T = Box::into_raw(Box::new(vtab)); *pp_vtab = boxed_vtab.cast::(); @@ -869,7 +869,7 @@ where match T::connect(db, aux.as_ref(), args) { Ok((sql, vtab)) => match CString::new(sql) { Ok(c_sql) => { - let rc = sqlitex_declare_vtab(db, c_sql.as_ptr()); + let rc = sqlite3ext_declare_vtab(db, c_sql.as_ptr()); if rc == SQLITE_OKAY { let boxed_vtab: *mut T = Box::into_raw(Box::new(vtab)); *pp_vtab = boxed_vtab.cast::(); diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 3da4e2f..d92865b 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -12,6 +12,7 @@ use crate::vfs::vfs::handle_error; pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).close(); + // Box::into_raw(b); // TODO check segfault when loading extension handle_error(result) } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index d8ce3b5..0906a3b 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,12 +1,13 @@ #![allow(non_snake_case)] #![allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, sqlite3_vfs_register, sqlite3_vfs_find}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; use std::ffi::{CString, CStr}; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; use std::rc::Rc; +use crate::ext::sqlite3ext_vfs_register; use crate::{ErrorKind, Error}; use super::traits::SqliteVfs; @@ -137,8 +138,9 @@ pub unsafe extern "C" fn x_dl_close( ) { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); - b.dl_close(p_handle); + // Box::into_raw(vfs); // TODO check segfault when loading extension + // Box::into_raw(b); // TODO check segfault when loading extension } pub unsafe extern "C" fn x_randomness( @@ -312,7 +314,7 @@ pub fn create_vfs(vfs: T, name_ptr: *const c_char, max_path_name_s pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result<()> { let translate_to_int = if make_default { 1 } else { 0 }; - let result = unsafe { sqlite3_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; + let result = unsafe { sqlite3ext_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; if result == 0 { Ok(()) diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 8783240..6586774 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,6 +1,7 @@ #![allow(unused)] use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME, SQLITE_FCNTL_FILE_POINTER}; +use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; @@ -13,11 +14,10 @@ use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_int, c_void, c_char}; use std::{ptr, mem}; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_vfs_register, sqlite3_io_methods, sqlite3_vfs_find, sqlite3_context_db_handle, sqlite3_file_control}; +use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; -use libsqlite3_sys::{sqlite3_snprintf, sqlite3_mprintf}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { @@ -283,12 +283,12 @@ fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); - let db = unsafe { sqlite3_context_db_handle(context) }; + let db = unsafe { sqlite3ext_context_db_handle(context) }; let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); let schema_ptr = schema.as_ptr(); - unsafe { sqlite3_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; + unsafe { sqlite3ext_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; @@ -305,7 +305,7 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let mem_vfs = MemVfs { default_vfs: unsafe { // pass thru - DefaultVfs::from_ptr(sqlite3_vfs_find(ptr::null())) + DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) }, name: name }; From 247895fb33c019c665c8a883d7e2b46f0d7ad4ab Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 16 Sep 2023 21:38:35 +0200 Subject: [PATCH 042/142] removed function preventing the bigger feature TODO storing on drop is not working TODO file control mechanism is not working Things that are correct / working: - no memory leaks - extension is loading --- examples/mem_vfs.rs | 33 +++++---------------------------- src/vfs/default.rs | 8 +++----- src/vfs/file.rs | 1 - src/vfs/vfs.rs | 2 -- test.sql | 2 -- tests/test_mem_vfs.rs | 33 +++------------------------------ 6 files changed, 11 insertions(+), 68 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 23aad91..e1973f6 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,12 +1,12 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME, SQLITE_FCNTL_FILE_POINTER}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::file::FilePolymorph; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api}; -use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; use url::Url; use std::ffi::{CString, CStr}; @@ -91,7 +91,8 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_error(n_byte, z_err_msg) } - fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) -> Option { + fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) + -> Option { self.default_vfs.dl_sym(arg2, z_symbol) } @@ -222,7 +223,6 @@ impl SqliteIoMethods for MemFile { Ok(()) } - // it's probably easier to pass parameters via the uri in the custom function fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { Ok(()) } @@ -277,28 +277,6 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - Ok(()) } -fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { - let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; - let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); - - let db = unsafe { sqlite3ext_context_db_handle(context) }; - - let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); - let schema_ptr = schema.as_ptr(); - - unsafe { sqlite3ext_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; - - let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; - - file.write_all(&file_contents).map_err(|_| Error::new_message("can't write to file"))?; - - file.flush().map_err(|_| Error::new_message("can't flush file"))?; - - Ok(()) -} - #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let name = CString::new(EXTENSION_NAME).expect("should be fine"); @@ -316,7 +294,6 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; - define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; Ok(()) } diff --git a/src/vfs/default.rs b/src/vfs/default.rs index ea72e4b..d1d0a01 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -133,12 +133,10 @@ impl SqliteVfs for DefaultVfs { z_symbol: *const c_char, ) -> Option { unsafe { - if let Some(xDlSym) = (*self.default_vfs).xDlSym { - // Some(xDlSym(self.default_vfs, arg2, z_symbol)) // TODO - None - } else { - None + if let Some(func) = (*self.default_vfs).xDlSym { + func(self.default_vfs, arg2, z_symbol); } + None } } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index d92865b..3da4e2f 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -12,7 +12,6 @@ use crate::vfs::vfs::handle_error; pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).close(); - // Box::into_raw(b); // TODO check segfault when loading extension handle_error(result) } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 0906a3b..62c3f40 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -139,8 +139,6 @@ pub unsafe extern "C" fn x_dl_close( let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_close(p_handle); - // Box::into_raw(vfs); // TODO check segfault when loading extension - // Box::into_raw(b); // TODO check segfault when loading extension } pub unsafe extern "C" fn x_randomness( diff --git a/test.sql b/test.sql index de71cb4..5bb7ebc 100644 --- a/test.sql +++ b/test.sql @@ -14,5 +14,3 @@ INSERT INTO t3 VALUES('a', 4), ('c', 3), ('d', 8), ('e', 1); - -select memvfs_to_file("to.db"); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 6586774..eb85875 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,12 +1,12 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, SQLITE_FCNTL_VFSNAME, SQLITE_FCNTL_FILE_POINTER}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::file::FilePolymorph; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api}; -use sqlite_loadable::{Result, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; use url::Url; use std::ffi::{CString, CStr}; @@ -222,7 +222,6 @@ impl SqliteIoMethods for MemFile { Ok(()) } - // it's probably easier to pass parameters via the uri in the custom function fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { Ok(()) } @@ -277,28 +276,6 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - Ok(()) } -fn vfs_to_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { - let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let mut file = File::create(path).map_err(|_| Error::new_message("can't create file"))?; - let mut vfs_file_ptr: *mut MemFile = ptr::null_mut(); - - let db = unsafe { sqlite3ext_context_db_handle(context) }; - - let schema = CString::new(EXTENSION_NAME).expect("should be a valid name"); - let schema_ptr = schema.as_ptr(); - - unsafe { sqlite3ext_file_control(db, schema_ptr, SQLITE_FCNTL_FILE_POINTER, vfs_file_ptr.cast()) }; - - let file_contents = &(unsafe { &*vfs_file_ptr }).file_contents; - - file.write_all(&file_contents).map_err(|_| Error::new_message("can't write to file"))?; - - file.flush().map_err(|_| Error::new_message("can't flush file"))?; - - Ok(()) -} - #[sqlite_entrypoint_permanent] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let name = CString::new(EXTENSION_NAME).expect("should be fine"); @@ -316,7 +293,6 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; - define_scalar_function(db, "memvfs_to_file", 1, vfs_to_file, flags)?; Ok(()) } @@ -347,8 +323,5 @@ mod tests { .unwrap(); assert_eq!(result, "a"); - - // TODO there's no evidence this is working at all - conn.execute("memvfs_to_file('to.db')", ()); } } \ No newline at end of file From 5fa35c168e37ec03a63e182f3f047b747f7209c8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sun, 17 Sep 2023 05:23:41 +0200 Subject: [PATCH 043/142] reined in visibility of certain callback functions --- src/vfs/file.rs | 36 ++++++++++++++++++------------------ src/vfs/vfs.rs | 32 ++++++++++++++++---------------- 2 files changed, 34 insertions(+), 34 deletions(-) diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 3da4e2f..4cf6eb3 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -9,13 +9,13 @@ use crate::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; /// Let Boxes go out of scope, thus drop -pub unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { +unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).close(); handle_error(result) } -pub unsafe extern "C" fn x_read( +unsafe extern "C" fn x_read( arg1: *mut sqlite3_file, buf: *mut c_void, iAmt: c_int, @@ -28,7 +28,7 @@ pub unsafe extern "C" fn x_read( } -pub unsafe extern "C" fn x_write( +unsafe extern "C" fn x_write( arg1: *mut sqlite3_file, buf: *const c_void, iAmt: c_int, @@ -41,7 +41,7 @@ pub unsafe extern "C" fn x_write( } -pub unsafe extern "C" fn x_truncate( +unsafe extern "C" fn x_truncate( arg1: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { @@ -52,7 +52,7 @@ pub unsafe extern "C" fn x_truncate( } -pub unsafe extern "C" fn x_sync( +unsafe extern "C" fn x_sync( arg1: *mut sqlite3_file, flags: c_int, ) -> c_int { @@ -63,7 +63,7 @@ pub unsafe extern "C" fn x_sync( } -pub unsafe extern "C" fn x_file_size( +unsafe extern "C" fn x_file_size( arg1: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { @@ -73,7 +73,7 @@ pub unsafe extern "C" fn x_file_size( handle_error(result) } -pub unsafe extern "C" fn x_lock( +unsafe extern "C" fn x_lock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { @@ -83,7 +83,7 @@ pub unsafe extern "C" fn x_lock( handle_error(result) } -pub unsafe extern "C" fn x_unlock( +unsafe extern "C" fn x_unlock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { @@ -93,7 +93,7 @@ pub unsafe extern "C" fn x_unlock( handle_error(result) } -pub unsafe extern "C" fn x_check_reserved_lock( +unsafe extern "C" fn x_check_reserved_lock( arg1: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { @@ -103,7 +103,7 @@ pub unsafe extern "C" fn x_check_reserved_lock( handle_error(result) } -pub unsafe extern "C" fn x_file_control( +unsafe extern "C" fn x_file_control( arg1: *mut sqlite3_file, op: c_int, pArg: *mut c_void, @@ -115,21 +115,21 @@ pub unsafe extern "C" fn x_file_control( } -pub unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { +unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).sector_size(); Box::into_raw(b); result } -pub unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { +unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { let mut b = Box::>::from_raw(arg1.cast::>()); let result = (b.rust_methods_ptr).device_characteristics(); Box::into_raw(b); result } -pub unsafe extern "C" fn x_shm_map( +unsafe extern "C" fn x_shm_map( arg1: *mut sqlite3_file, iPg: c_int, pgsz: c_int, @@ -142,7 +142,7 @@ pub unsafe extern "C" fn x_shm_map( handle_error(result) } -pub unsafe extern "C" fn x_shm_lock( +unsafe extern "C" fn x_shm_lock( arg1: *mut sqlite3_file, offset: c_int, n: c_int, @@ -155,13 +155,13 @@ pub unsafe extern "C" fn x_shm_lock( } -pub unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { +unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { let mut b = Box::>::from_raw(arg1.cast::>()); (b.rust_methods_ptr).shm_barrier(); Box::into_raw(b); } -pub unsafe extern "C" fn x_shm_unmap( +unsafe extern "C" fn x_shm_unmap( arg1: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { @@ -171,7 +171,7 @@ pub unsafe extern "C" fn x_shm_unmap( handle_error(result) } -pub unsafe extern "C" fn x_fetch( +unsafe extern "C" fn x_fetch( arg1: *mut sqlite3_file, iOfst: sqlite3_int64, iAmt: c_int, @@ -183,7 +183,7 @@ pub unsafe extern "C" fn x_fetch( handle_error(result) } -pub unsafe extern "C" fn x_unfetch( +unsafe extern "C" fn x_unfetch( arg1: *mut sqlite3_file, iOfst: sqlite3_int64, p: *mut c_void, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 62c3f40..d156d63 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -25,7 +25,7 @@ pub(crate) fn handle_error(result: Result<(), Error>) -> c_int { } } -pub unsafe extern "C" fn x_open( +unsafe extern "C" fn x_open( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, p_file: *mut sqlite3_file, @@ -42,7 +42,7 @@ pub unsafe extern "C" fn x_open( handle_error(result) } -pub unsafe extern "C" fn x_delete( +unsafe extern "C" fn x_delete( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, sync_dir: c_int, @@ -57,7 +57,7 @@ pub unsafe extern "C" fn x_delete( handle_error(result) } -pub unsafe extern "C" fn x_access( +unsafe extern "C" fn x_access( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, flags: c_int, @@ -73,7 +73,7 @@ pub unsafe extern "C" fn x_access( handle_error(result) } -pub unsafe extern "C" fn x_full_pathname( +unsafe extern "C" fn x_full_pathname( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, n_out: c_int, @@ -89,7 +89,7 @@ pub unsafe extern "C" fn x_full_pathname( handle_error(result) } -pub unsafe extern "C" fn x_dl_open( +unsafe extern "C" fn x_dl_open( p_vfs: *mut sqlite3_vfs, z_filename: *const c_char, ) -> *mut c_void { @@ -103,7 +103,7 @@ pub unsafe extern "C" fn x_dl_open( out } -pub unsafe extern "C" fn x_dl_error( +unsafe extern "C" fn x_dl_error( p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_err_msg: *mut c_char, @@ -116,7 +116,7 @@ pub unsafe extern "C" fn x_dl_error( Box::into_raw(vfs); } -pub unsafe extern "C" fn x_dl_sym( +unsafe extern "C" fn x_dl_sym( p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void, z_symbol: *const c_char, @@ -132,7 +132,7 @@ pub unsafe extern "C" fn x_dl_sym( } /// Let Boxes go out of scope, thus drop -pub unsafe extern "C" fn x_dl_close( +unsafe extern "C" fn x_dl_close( p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void, ) { @@ -141,7 +141,7 @@ pub unsafe extern "C" fn x_dl_close( b.dl_close(p_handle); } -pub unsafe extern "C" fn x_randomness( +unsafe extern "C" fn x_randomness( p_vfs: *mut sqlite3_vfs, n_byte: c_int, z_out: *mut c_char, @@ -156,7 +156,7 @@ pub unsafe extern "C" fn x_randomness( result } -pub unsafe extern "C" fn x_sleep( +unsafe extern "C" fn x_sleep( p_vfs: *mut sqlite3_vfs, microseconds: c_int, ) -> c_int { @@ -170,7 +170,7 @@ pub unsafe extern "C" fn x_sleep( result } -pub unsafe extern "C" fn x_current_time( +unsafe extern "C" fn x_current_time( p_vfs: *mut sqlite3_vfs, p_time: *mut f64, ) -> c_int { @@ -184,7 +184,7 @@ pub unsafe extern "C" fn x_current_time( result } -pub unsafe extern "C" fn x_get_last_error( +unsafe extern "C" fn x_get_last_error( p_vfs: *mut sqlite3_vfs, err_code: c_int, z_err_msg: *mut c_char, @@ -199,7 +199,7 @@ pub unsafe extern "C" fn x_get_last_error( handle_error(result) } -pub unsafe extern "C" fn x_current_time_int64( +unsafe extern "C" fn x_current_time_int64( p_vfs: *mut sqlite3_vfs, p_time: *mut sqlite3_int64, ) -> c_int { @@ -213,7 +213,7 @@ pub unsafe extern "C" fn x_current_time_int64( result } -pub unsafe extern "C" fn x_set_system_call( +unsafe extern "C" fn x_set_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, p_call: sqlite3_syscall_ptr, @@ -228,7 +228,7 @@ pub unsafe extern "C" fn x_set_system_call( result } -pub unsafe extern "C" fn x_get_system_call( +unsafe extern "C" fn x_get_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, ) -> sqlite3_syscall_ptr { @@ -242,7 +242,7 @@ pub unsafe extern "C" fn x_get_system_call( result } -pub unsafe extern "C" fn x_next_system_call( +unsafe extern "C" fn x_next_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, ) -> *const c_char { From df5c13910515187a55e47a07afec01fb33cf79b8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 19 Sep 2023 05:06:41 +0200 Subject: [PATCH 044/142] fix incorrectly generated c_uint issue make vfs code less reliant on ffi or sqlite primitive types --- examples/characters.rs | 1 + examples/hello.rs | 1 + examples/load_permanent.rs | 1 + examples/mem_vfs.rs | 58 ++++++++++++++++++------------- examples/scalar.rs | 1 + sqlite-loadable-macros/src/lib.rs | 4 +-- sqlite3ext-sys/build.rs | 1 + src/api.rs | 4 +-- src/entrypoints.rs | 6 ++-- src/errors.rs | 11 +++--- src/vfs/traits.rs | 10 +++--- tests/test_collation.rs | 1 + tests/test_mem_vfs.rs | 58 ++++++++++++++++++------------- 13 files changed, 91 insertions(+), 66 deletions(-) diff --git a/examples/characters.rs b/examples/characters.rs index 3ae9d43..bb49651 100644 --- a/examples/characters.rs +++ b/examples/characters.rs @@ -2,6 +2,7 @@ //! sqlite3 :memory: '.read examples/test.sql' use sqlite_loadable::prelude::*; + use sqlite_loadable::{ api, define_table_function, table::{BestIndexError, ConstraintOperator, IndexInfo, VTab, VTabArguments, VTabCursor}, diff --git a/examples/hello.rs b/examples/hello.rs index 2ac8b0f..20a98a8 100644 --- a/examples/hello.rs +++ b/examples/hello.rs @@ -3,6 +3,7 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{api, define_scalar_function, Result}; +use std::os::raw::c_int; // This function will be registered as a scalar function named "hello", and will be called on // every invocation. It's goal is to return a string of "hello, NAME!" where NAME is the diff --git a/examples/load_permanent.rs b/examples/load_permanent.rs index 59dc6c3..3406cd5 100644 --- a/examples/load_permanent.rs +++ b/examples/load_permanent.rs @@ -3,6 +3,7 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{api, define_scalar_function, Result}; +use std::os::raw::c_int; // This function will be registered as a scalar function named "hello", and will be called on // every invocation. It's goal is to return a string of "hello, NAME!" where NAME is the diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index e1973f6..fd74b2c 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,6 +1,5 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::file::FilePolymorph; @@ -12,13 +11,24 @@ use url::Url; use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read, self}; -use std::os::raw::{c_int, c_void, c_char}; +use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; + +use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; +/// There is some duplication between rusqlite / sqlite3ext / libsqlite3 +/// sqlite3ext has wrong constants, e.g. uint values that should be int values +/// +/// The following dependency has to be copied by users to use this vfs implementation: +/// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} +// TODO This lib should be released 0.0.2 version, with the previously missing +// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) +// parameter + /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { default_vfs: DefaultVfs, @@ -39,7 +49,7 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { } impl SqliteVfs for MemVfs { - fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { let mut mem_file = MemFile { file_contents: Vec::new(), path: String::new() @@ -58,18 +68,18 @@ impl SqliteVfs for MemVfs { Ok(()) } - fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()> { + fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) } - fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { unsafe { *p_res_out = 0; } Ok(()) } - fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { + fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { unsafe { // don't rely on type conversion of n_out to determine the end line char let name = CString::from_raw(z_name.cast_mut()); @@ -87,7 +97,7 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_open(z_filename) } - fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char) { + fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { self.default_vfs.dl_error(n_byte, z_err_msg) } @@ -100,23 +110,23 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_close(arg2) } - fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int { + fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { self.default_vfs.randomness(n_byte, z_out) } - fn sleep(&mut self, microseconds: c_int) -> c_int { + fn sleep(&mut self, microseconds: i32) -> i32 { self.default_vfs.sleep(microseconds) } - fn current_time(&mut self, arg2: *mut f64) -> c_int { + fn current_time(&mut self, arg2: *mut f64) -> i32 { self.default_vfs.current_time(arg2) } - fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()> { + fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { self.default_vfs.get_last_error(arg2, arg3) } - fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> i32 { + fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { self.default_vfs.current_time_int64(arg2) } @@ -201,48 +211,48 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn sync(&mut self, flags: c_int) -> Result<()> { + fn sync(&mut self, flags: i32) -> Result<()> { Ok(()) } - fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } Ok(()) } - fn lock(&mut self, arg2: c_int) -> Result<()> { + fn lock(&mut self, arg2: i32) -> Result<()> { Ok(()) } - fn unlock(&mut self, arg2: c_int) -> Result<()> { + fn unlock(&mut self, arg2: i32) -> Result<()> { Ok(()) } - fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { unsafe{ *p_res_out = 0; } Ok(()) } - fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { Ok(()) } - fn sector_size(&mut self) -> c_int { + fn sector_size(&mut self) -> i32 { 1024 } - fn device_characteristics(&mut self) -> c_int { + fn device_characteristics(&mut self) -> i32 { SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | SQLITE_IOCAP_SEQUENTIAL } - fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) } - fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { // SQLITE_IOERR_SHMLOCK is deprecated? Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) } @@ -251,7 +261,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { Ok(()) } diff --git a/examples/scalar.rs b/examples/scalar.rs index f36545e..0bf8d41 100644 --- a/examples/scalar.rs +++ b/examples/scalar.rs @@ -3,6 +3,7 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{api, define_scalar_function, Result}; +use std::os::raw::c_int; // yo() fn yo(context: *mut sqlite3_context, _values: &[*mut sqlite3_value]) -> Result<()> { diff --git a/sqlite-loadable-macros/src/lib.rs b/sqlite-loadable-macros/src/lib.rs index b2c02a4..bb12f99 100644 --- a/sqlite-loadable-macros/src/lib.rs +++ b/sqlite-loadable-macros/src/lib.rs @@ -33,7 +33,7 @@ pub fn sqlite_entrypoint(_attr: TokenStream, item: TokenStream) -> TokenStream { db: *mut sqlite3, pz_err_msg: *mut *mut c_char, p_api: *mut sqlite3_api_routines, - ) -> c_uint { + ) -> i32 { register_entrypoint(db, pz_err_msg, p_api, #prefixed_original_function) } @@ -73,7 +73,7 @@ pub fn sqlite_entrypoint_permanent(_attr: TokenStream, item: TokenStream) -> Tok db: *mut sqlite3, pz_err_msg: *mut *mut c_char, p_api: *mut sqlite3_api_routines, - ) -> c_uint { + ) -> i32 { register_entrypoint_load_permanently(db, pz_err_msg, p_api, #prefixed_original_function) } diff --git a/sqlite3ext-sys/build.rs b/sqlite3ext-sys/build.rs index e8147eb..2d6721e 100644 --- a/sqlite3ext-sys/build.rs +++ b/sqlite3ext-sys/build.rs @@ -16,6 +16,7 @@ fn main() { println!("cargo:rerun-if-changed=wrapper.h"); let bindings = bindgen::Builder::default() + .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) .header("sqlite3/sqlite3ext.h") .parse_callbacks(Box::new(bindgen::CargoCallbacks)) .generate() diff --git a/src/api.rs b/src/api.rs index 64a2e87..e907da2 100644 --- a/src/api.rs +++ b/src/api.rs @@ -214,7 +214,7 @@ pub enum ValueType { pub fn value_type(value: &*mut sqlite3_value) -> ValueType { let raw_type = unsafe { sqlite3ext_value_type(value.to_owned()) }; // "as u32" because bindings for constants are u32 for some reason??? - match raw_type as u32 { + match raw_type { SQLITE_TEXT => ValueType::Text, SQLITE_INTEGER => ValueType::Integer, SQLITE_FLOAT => ValueType::Float, @@ -228,7 +228,7 @@ pub fn value_type(value: &*mut sqlite3_value) -> ValueType { } pub fn value_is_null(value: &*mut sqlite3_value) -> bool { let raw_type = unsafe { sqlite3ext_value_type(value.to_owned()) }; - (raw_type as u32) == SQLITE_NULL + raw_type == SQLITE_NULL } pub fn value_subtype(value: &*mut sqlite3_value) -> u32 { diff --git a/src/entrypoints.rs b/src/entrypoints.rs index d34c22c..d1a210e 100644 --- a/src/entrypoints.rs +++ b/src/entrypoints.rs @@ -4,7 +4,7 @@ use crate::{errors::Result, ext::faux_sqlite_extension_init2}; use sqlite3ext_sys::{sqlite3, sqlite3_api_routines, SQLITE_OK}; -use std::os::raw::{c_char, c_uint}; +use std::os::raw::c_char; /// Low-level wrapper around a typical entrypoint to a SQLite extension. /// You shouldn't have to use this directly - the sqlite_entrypoint @@ -14,7 +14,7 @@ pub fn register_entrypoint( _pz_err_msg: *mut *mut c_char, p_api: *mut sqlite3_api_routines, callback: F, -) -> c_uint +) -> i32 where F: Fn(*mut sqlite3) -> Result<()>, { @@ -35,7 +35,7 @@ pub fn register_entrypoint_load_permanently( _pz_err_msg: *mut *mut c_char, p_api: *mut sqlite3_api_routines, callback: F, -) -> c_uint +) -> i32 where F: Fn(*mut sqlite3) -> Result<()>, { diff --git a/src/errors.rs b/src/errors.rs index 8c5d553..8554609 100644 --- a/src/errors.rs +++ b/src/errors.rs @@ -2,7 +2,6 @@ use std::{ ffi::NulError, fmt, - os::raw::{c_int, c_uint}, result, }; @@ -32,10 +31,10 @@ impl Error { *self.0 } - pub fn code(self) -> c_int { + pub fn code(self) -> i32 { 1 } - pub fn code_extended(self) -> c_uint { + pub fn code_extended(self) -> i32 { 1 } pub fn result_error_message(self) -> String { @@ -53,11 +52,11 @@ impl Error { /// The specific type of an error. #[derive(Debug, PartialEq, Eq)] pub enum ErrorKind { - DefineVfs(c_int), - DefineScalarFunction(c_int), + DefineVfs(i32), + DefineScalarFunction(i32), CStringError(NulError), CStringUtf8Error(std::str::Utf8Error), - TableFunction(c_int), + TableFunction(i32), Message(String), } diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 60e8585..32d2bc1 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -2,7 +2,7 @@ use crate::errors::Result; use std::os::raw::{c_int, c_void, c_char}; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; +use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; // TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement @@ -22,7 +22,7 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn truncate(&mut self, size: i64) -> Result<()>; fn sync(&mut self, flags: c_int) -> Result<()>; - fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()>; + fn file_size(&mut self, p_size: *mut i64) -> Result<()>; fn lock(&mut self, arg2: c_int) -> Result<()>; fn unlock(&mut self, arg2: c_int) -> Result<()>; fn check_reserved_lock( @@ -56,13 +56,13 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn fetch( &mut self, - i_ofst: sqlite3_int64, + i_ofst: i64, i_amt: c_int, pp: *mut *mut c_void, ) -> Result<()>; fn unfetch( &mut self, - i_ofst: sqlite3_int64, + i_ofst: i64, p: *mut c_void, ) -> Result<()>; } @@ -143,7 +143,7 @@ pub trait SqliteVfs { fn current_time_int64( &mut self, - arg2: *mut sqlite3_int64, + arg2: *mut i64, ) -> c_int; fn set_system_call( diff --git a/tests/test_collation.rs b/tests/test_collation.rs index b53d580..97710da 100644 --- a/tests/test_collation.rs +++ b/tests/test_collation.rs @@ -1,6 +1,7 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{define_collation, Result}; use std::cmp::Ordering; +use std::os::raw::c_int; fn compare(a: &[u8], b: &[u8]) -> i32 { let a: Vec = a.iter().rev().cloned().collect(); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index eb85875..bb61853 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,6 +1,5 @@ #![allow(unused)] -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::file::FilePolymorph; @@ -12,13 +11,24 @@ use url::Url; use std::ffi::{CString, CStr}; use std::fs::{File, self}; use std::io::{Write, Read, self}; -use std::os::raw::{c_int, c_void, c_char}; +use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; -use sqlite3ext_sys::{sqlite3_int64, sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; + +use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; +use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; +/// There is some duplication between rusqlite / sqlite3ext / libsqlite3 +/// sqlite3ext has wrong constants, e.g. uint values that should be int values +/// +/// The following dependency has to be copied by users to use this vfs implementation: +/// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} +// TODO This lib should be released 0.0.2 version, with the previously missing +// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) +// parameter + /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c struct MemVfs { default_vfs: DefaultVfs, @@ -39,7 +49,7 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { } impl SqliteVfs for MemVfs { - fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { let mut mem_file = MemFile { file_contents: Vec::new(), path: String::new() @@ -58,18 +68,18 @@ impl SqliteVfs for MemVfs { Ok(()) } - fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()> { + fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) } - fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()> { + fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { unsafe { *p_res_out = 0; } Ok(()) } - fn full_pathname(&mut self, z_name: *const c_char, n_out: c_int, z_out: *mut c_char) -> Result<()> { + fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { unsafe { // don't rely on type conversion of n_out to determine the end line char let name = CString::from_raw(z_name.cast_mut()); @@ -87,7 +97,7 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_open(z_filename) } - fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char) { + fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { self.default_vfs.dl_error(n_byte, z_err_msg) } @@ -99,23 +109,23 @@ impl SqliteVfs for MemVfs { self.default_vfs.dl_close(arg2) } - fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int { + fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { self.default_vfs.randomness(n_byte, z_out) } - fn sleep(&mut self, microseconds: c_int) -> c_int { + fn sleep(&mut self, microseconds: i32) -> i32 { self.default_vfs.sleep(microseconds) } - fn current_time(&mut self, arg2: *mut f64) -> c_int { + fn current_time(&mut self, arg2: *mut f64) -> i32 { self.default_vfs.current_time(arg2) } - fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()> { + fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { self.default_vfs.get_last_error(arg2, arg3) } - fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> i32 { + fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { self.default_vfs.current_time_int64(arg2) } @@ -200,48 +210,48 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn sync(&mut self, flags: c_int) -> Result<()> { + fn sync(&mut self, flags: i32) -> Result<()> { Ok(()) } - fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } Ok(()) } - fn lock(&mut self, arg2: c_int) -> Result<()> { + fn lock(&mut self, arg2: i32) -> Result<()> { Ok(()) } - fn unlock(&mut self, arg2: c_int) -> Result<()> { + fn unlock(&mut self, arg2: i32) -> Result<()> { Ok(()) } - fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { unsafe{ *p_res_out = 0; } Ok(()) } - fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { Ok(()) } - fn sector_size(&mut self) -> c_int { + fn sector_size(&mut self) -> i32 { 1024 } - fn device_characteristics(&mut self) -> c_int { + fn device_characteristics(&mut self) -> i32 { SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | SQLITE_IOCAP_SEQUENTIAL } - fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) } - fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { // SQLITE_IOERR_SHMLOCK is deprecated? Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) } @@ -250,7 +260,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { Ok(()) } From c16e04c7c78d2a3e8776f2d895ba8baba4165b1f Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 19 Sep 2023 05:13:58 +0200 Subject: [PATCH 045/142] remove unnecessary constants because bindgen generates the correctly signed values --- src/api.rs | 5 ++-- src/collation.rs | 5 ++-- src/constants.rs | 21 ----------------- src/lib.rs | 1 - src/scalar.rs | 5 ++-- src/table.rs | 57 +++++++++++++++++++++++----------------------- src/vfs/default.rs | 14 +++++------- 7 files changed, 40 insertions(+), 68 deletions(-) delete mode 100644 src/constants.rs diff --git a/src/api.rs b/src/api.rs index e907da2..0e3aaec 100644 --- a/src/api.rs +++ b/src/api.rs @@ -5,7 +5,6 @@ //! Useful when working with sqlite3_value or sqlite3_context. #![allow(clippy::not_unsafe_ptr_arg_deref)] -use crate::constants::SQLITE_OKAY; use crate::ext::{ sqlite3ext_context_db_handle, sqlite3ext_get_auxdata, sqlite3ext_overload_function, sqlite3ext_result_blob, sqlite3ext_result_double, sqlite3ext_result_error, @@ -19,7 +18,7 @@ use crate::ext::{ use crate::Error; use sqlite3ext_sys::{ sqlite3, sqlite3_context, sqlite3_mprintf, sqlite3_value, SQLITE_BLOB, SQLITE_FLOAT, - SQLITE_INTEGER, SQLITE_NULL, SQLITE_TEXT, + SQLITE_INTEGER, SQLITE_NULL, SQLITE_TEXT, SQLITE_OK, }; use std::os::raw::c_int; use std::slice::from_raw_parts; @@ -400,7 +399,7 @@ pub fn context_db_handle(context: *mut sqlite3_context) -> *mut sqlite3 { pub fn overload_function(db: *mut sqlite3, func_name: &str, n_args: i32) -> crate::Result<()> { let cname = CString::new(func_name)?; let result = unsafe { sqlite3ext_overload_function(db, cname.as_ptr(), n_args) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new_message("TODO")); } Ok(()) diff --git a/src/collation.rs b/src/collation.rs index 56ac460..6cf41cc 100644 --- a/src/collation.rs +++ b/src/collation.rs @@ -2,11 +2,10 @@ #![allow(clippy::not_unsafe_ptr_arg_deref)] use crate::{ - constants::SQLITE_OKAY, errors::{Error, ErrorKind, Result}, ext::sqlite3ext_collation_v2, }; -use sqlite3ext_sys::sqlite3; +use sqlite3ext_sys::{sqlite3, SQLITE_OK}; use std::{ffi::CString, os::raw::c_void}; use sqlite3ext_sys::SQLITE_UTF8; @@ -45,7 +44,7 @@ where ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { Err(Error::new(ErrorKind::DefineScalarFunction(result))) } else { Ok(()) diff --git a/src/constants.rs b/src/constants.rs deleted file mode 100644 index 338f700..0000000 --- a/src/constants.rs +++ /dev/null @@ -1,21 +0,0 @@ -/// rust bindgen for some reason is defining many SQLite constants -/// as u32, which can't safely be casted into i32. So, here we -/// hardcode some of those codes to avoid unwrapping - -/// https://www.sqlite.org/rescode.html#ok -pub const SQLITE_OKAY: i32 = 0; - -/// https://www.sqlite.org/rescode.html#internal -pub const SQLITE_INTERNAL: i32 = 2; - -/// https://www.sqlite.org/rescode.html#row -pub const SQLITE_ROW: i32 = 100; - -/// https://www.sqlite.org/rescode.html#done -pub const SQLITE_DONE: i32 = 101; - -/// https://www.sqlite.org/rescode.html#error -pub const SQLITE_ERROR: i32 = 1; - -/// https://www.sqlite.org/rescode.html#constraint -pub const SQLITE_CONSTRAINT: i32 = 19; diff --git a/src/lib.rs b/src/lib.rs index c9044de..418ed65 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -3,7 +3,6 @@ pub mod api; pub mod collation; -pub mod constants; pub mod entrypoints; pub mod errors; diff --git a/src/scalar.rs b/src/scalar.rs index 9d3281d..181d3da 100644 --- a/src/scalar.rs +++ b/src/scalar.rs @@ -9,11 +9,10 @@ use std::{ use crate::{ api, - constants::{SQLITE_INTERNAL, SQLITE_OKAY}, errors::{Error, ErrorKind, Result}, ext::sqlite3ext_create_function_v2, }; -use sqlite3ext_sys::{sqlite3, sqlite3_context, sqlite3_user_data, sqlite3_value}; +use sqlite3ext_sys::{sqlite3, sqlite3_context, sqlite3_user_data, sqlite3_value, SQLITE_OK, SQLITE_INTERNAL}; use bitflags::bitflags; @@ -69,7 +68,7 @@ fn create_function_v2( ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { Err(Error::new(ErrorKind::DefineScalarFunction(result))) } else { Ok(()) diff --git a/src/table.rs b/src/table.rs index 16fef34..8a8ca06 100644 --- a/src/table.rs +++ b/src/table.rs @@ -2,14 +2,13 @@ // ![allow(clippy::not_unsafe_ptr_arg_deref)] -use sqlite3ext_sys::sqlite3_index_info_sqlite3_index_constraint_usage; +use sqlite3ext_sys::{sqlite3_index_info_sqlite3_index_constraint_usage, SQLITE_DONE, SQLITE_ERROR, SQLITE_OK, SQLITE_CONSTRAINT}; use sqlite3ext_sys::{ sqlite3, sqlite3_context, sqlite3_index_info, sqlite3_index_info_sqlite3_index_constraint, sqlite3_index_info_sqlite3_index_orderby, sqlite3_module, sqlite3_value, sqlite3_vtab, sqlite3_vtab_cursor, }; -use crate::constants::*; use std::ffi::CString; use std::marker::PhantomData; use std::marker::Sync; @@ -373,7 +372,7 @@ pub fn define_table_function<'vtab, T: VTab<'vtab> + 'vtab>( Some(destroy_aux::), ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new(ErrorKind::TableFunction(result))); } Ok(()) @@ -429,7 +428,7 @@ pub fn define_table_function_with_find<'vtab, T: VTabFind<'vtab> + 'vtab>( Some(destroy_aux::), ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new(ErrorKind::TableFunction(result))); } Ok(()) @@ -492,7 +491,7 @@ pub fn define_virtual_table<'vtab, T: VTab<'vtab> + 'vtab>( Some(destroy_aux::), ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new(ErrorKind::TableFunction(result))); } Ok(()) @@ -549,7 +548,7 @@ pub fn define_virtual_table_writeable<'vtab, T: VTabWriteable<'vtab> + 'vtab>( Some(destroy_aux::), ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new(ErrorKind::TableFunction(result))); } Ok(()) @@ -609,7 +608,7 @@ pub fn define_virtual_table_writeable_with_transactions< Some(destroy_aux::), ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new(ErrorKind::TableFunction(result))); } Ok(()) @@ -666,7 +665,7 @@ pub fn define_virtual_table_writeablex<'vtab, T: VTabWriteable<'vtab> + 'vtab>( Some(destroy_aux::), ) }; - if result != SQLITE_OKAY { + if result != SQLITE_OK { return Err(Error::new(ErrorKind::TableFunction(result))); } Ok(()) @@ -827,10 +826,10 @@ where Ok((sql, vtab)) => match CString::new(sql) { Ok(c_sql) => { let rc = sqlite3ext_declare_vtab(db, c_sql.as_ptr()); - if rc == SQLITE_OKAY { + if rc == SQLITE_OK { let boxed_vtab: *mut T = Box::into_raw(Box::new(vtab)); *pp_vtab = boxed_vtab.cast::(); - SQLITE_OKAY + SQLITE_OK } else { rc } @@ -870,10 +869,10 @@ where Ok((sql, vtab)) => match CString::new(sql) { Ok(c_sql) => { let rc = sqlite3ext_declare_vtab(db, c_sql.as_ptr()); - if rc == SQLITE_OKAY { + if rc == SQLITE_OK { let boxed_vtab: *mut T = Box::into_raw(Box::new(vtab)); *pp_vtab = boxed_vtab.cast::(); - SQLITE_OKAY + SQLITE_OK } else { rc } @@ -902,7 +901,7 @@ where { let vt = vtab.cast::(); match (*vt).best_index(IndexInfo { index_info }) { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(e) => match e { BestIndexError::Constraint => SQLITE_CONSTRAINT, BestIndexError::Error => SQLITE_ERROR, @@ -917,11 +916,11 @@ where T: VTab<'vtab>, { if vtab.is_null() { - return SQLITE_OKAY; + return SQLITE_OK; } let vtab = vtab.cast::(); drop(Box::from_raw(vtab)); - SQLITE_OKAY + SQLITE_OK } /// @@ -931,11 +930,11 @@ where T: VTab<'vtab>, { if vtab.is_null() { - return SQLITE_OKAY; + return SQLITE_OK; } let vt = vtab.cast::(); match (*vt).destroy() { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(err) => err.code(), } } @@ -954,7 +953,7 @@ where Ok(cursor) => { let boxed_cursor: *mut T::Cursor = Box::into_raw(Box::new(cursor)); *pp_cursor = boxed_cursor.cast::(); - SQLITE_OKAY + SQLITE_OK } Err(err) => err.code(), } @@ -1042,7 +1041,7 @@ where let vt = vtab.cast::(); match (*vt).update(determine_update_operation(argc, argv), p_rowid) { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(err) => err.code(), } } @@ -1055,7 +1054,7 @@ where { let vt = vtab.cast::(); match (*vt).begin() { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(err) => err.code(), } } @@ -1068,7 +1067,7 @@ where { let vt = vtab.cast::(); match (*vt).sync() { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(err) => err.code(), } } @@ -1081,7 +1080,7 @@ where { let vt = vtab.cast::(); match (*vt).rollback() { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(err) => err.code(), } } @@ -1094,7 +1093,7 @@ where { let vt = vtab.cast::(); match (*vt).commit() { - Ok(_) => SQLITE_OKAY, + Ok(_) => SQLITE_OK, Err(err) => err.code(), } } @@ -1132,7 +1131,7 @@ where { let cr = cursor.cast::(); drop(Box::from_raw(cr)); - SQLITE_OKAY + SQLITE_OK } /// @@ -1158,7 +1157,7 @@ where //cursor_error(cursor, ) let args = slice::from_raw_parts_mut(argv, argc as usize); match (*cr).filter(idx_num, idx_name, args) { - Ok(()) => SQLITE_OKAY, + Ok(()) => SQLITE_OK, Err(err) => { if let ErrorKind::Message(msg) = err.kind() { if let Ok(err) = mprintf(msg) { @@ -1179,7 +1178,7 @@ where let cr = cursor.cast::(); //cursor_error(cursor, (*cr).next()) match (*cr).next() { - Ok(()) => SQLITE_OKAY, + Ok(()) => SQLITE_OK, Err(err) => { if let ErrorKind::Message(msg) = err.kind() { if let Ok(err) = mprintf(msg) { @@ -1214,7 +1213,7 @@ where let cr = cursor.cast::(); //result_error(ctx, (*cr).column(&mut ctxt, i)) match (*cr).column(ctx, i) { - Ok(()) => SQLITE_OKAY, + Ok(()) => SQLITE_OK, Err(err) => { if let ErrorKind::Message(msg) = err.kind() { if let Ok(err) = mprintf(msg) { @@ -1228,7 +1227,7 @@ where /// "A successful invocation of this method will cause *pRowid to be filled with the rowid of row /// that the virtual table cursor pCur is currently pointing at. -/// This method returns SQLITE_OKAY on success. It returns an appropriate error code on failure." +/// This method returns SQLITE_OK on success. It returns an appropriate error code on failure." /// // TODO set error message properly unsafe extern "C" fn rust_rowid(cursor: *mut sqlite3_vtab_cursor, p_rowid: *mut i64) -> c_int @@ -1239,7 +1238,7 @@ where match (*cr).rowid() { Ok(rowid) => { *p_rowid = rowid; - SQLITE_OKAY + SQLITE_OK } Err(err) => err.code(), } diff --git a/src/vfs/default.rs b/src/vfs/default.rs index d1d0a01..3eb1ad7 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -1,15 +1,13 @@ #![ allow(unused)] #![ allow(non_snake_case)] -use crate::constants::{SQLITE_OKAY, SQLITE_ERROR}; - use crate::{Error, SqliteIoMethods}; use super::super::{Result, vfs::traits::SqliteVfs}; use std::{os::raw::{c_int, c_void, c_char}, ptr}; -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find, SQLITE_OK, SQLITE_ERROR}; pub struct DefaultVfs { default_vfs: *mut sqlite3_vfs, @@ -32,7 +30,7 @@ impl SqliteVfs for DefaultVfs { unsafe { if let Some(xOpen) = (*self.default_vfs).xOpen { let result = xOpen(self.default_vfs, z_name, p_file, flags, p_out_flags); - if result == SQLITE_OKAY { + if result == SQLITE_OK { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) @@ -51,7 +49,7 @@ impl SqliteVfs for DefaultVfs { unsafe { if let Some(xDelete) = (*self.default_vfs).xDelete { let result = xDelete(self.default_vfs, z_name, sync_dir); - if result == SQLITE_OKAY { + if result == SQLITE_OK { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) @@ -71,7 +69,7 @@ impl SqliteVfs for DefaultVfs { unsafe { if let Some(xAccess) = (*self.default_vfs).xAccess { let result = xAccess(self.default_vfs, z_name, flags, p_res_out); - if result == SQLITE_OKAY { + if result == SQLITE_OK { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) @@ -91,7 +89,7 @@ impl SqliteVfs for DefaultVfs { unsafe { if let Some(xFullPathname) = (*self.default_vfs).xFullPathname { let result = xFullPathname(self.default_vfs, z_name, n_out, z_out); - if result == SQLITE_OKAY { + if result == SQLITE_OK { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) @@ -199,7 +197,7 @@ impl SqliteVfs for DefaultVfs { unsafe { if let Some(xGetLastError) = (*self.default_vfs).xGetLastError { let result = xGetLastError(self.default_vfs, arg2, arg3); - if result == SQLITE_OKAY { + if result == SQLITE_OK { Ok(()) } else { Err(Error::new(crate::ErrorKind::DefineVfs(result))) From 0f7ca3f90eab322435d3c578d858e71e4acd169d Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 19 Sep 2023 05:16:02 +0200 Subject: [PATCH 046/142] removed comment about bindgen not generating the correctly signed values --- examples/mem_vfs.rs | 1 - tests/test_mem_vfs.rs | 1 - 2 files changed, 2 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index fd74b2c..72717ac 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -21,7 +21,6 @@ use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; /// There is some duplication between rusqlite / sqlite3ext / libsqlite3 -/// sqlite3ext has wrong constants, e.g. uint values that should be int values /// /// The following dependency has to be copied by users to use this vfs implementation: /// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index bb61853..16fa5df 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -21,7 +21,6 @@ use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; /// There is some duplication between rusqlite / sqlite3ext / libsqlite3 -/// sqlite3ext has wrong constants, e.g. uint values that should be int values /// /// The following dependency has to be copied by users to use this vfs implementation: /// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} From cf1c8c8b907373425bb60a63f0f1760f02c1f698 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 19 Sep 2023 05:19:47 +0200 Subject: [PATCH 047/142] remove unused imports --- examples/hello.rs | 1 - examples/load_permanent.rs | 1 - examples/scalar.rs | 1 - src/scalar.rs | 2 +- tests/test_exec.rs | 3 --- tests/test_find_function.rs | 4 ++-- 6 files changed, 3 insertions(+), 9 deletions(-) diff --git a/examples/hello.rs b/examples/hello.rs index 20a98a8..2ac8b0f 100644 --- a/examples/hello.rs +++ b/examples/hello.rs @@ -3,7 +3,6 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{api, define_scalar_function, Result}; -use std::os::raw::c_int; // This function will be registered as a scalar function named "hello", and will be called on // every invocation. It's goal is to return a string of "hello, NAME!" where NAME is the diff --git a/examples/load_permanent.rs b/examples/load_permanent.rs index 3406cd5..59dc6c3 100644 --- a/examples/load_permanent.rs +++ b/examples/load_permanent.rs @@ -3,7 +3,6 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{api, define_scalar_function, Result}; -use std::os::raw::c_int; // This function will be registered as a scalar function named "hello", and will be called on // every invocation. It's goal is to return a string of "hello, NAME!" where NAME is the diff --git a/examples/scalar.rs b/examples/scalar.rs index 0bf8d41..f36545e 100644 --- a/examples/scalar.rs +++ b/examples/scalar.rs @@ -3,7 +3,6 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{api, define_scalar_function, Result}; -use std::os::raw::c_int; // yo() fn yo(context: *mut sqlite3_context, _values: &[*mut sqlite3_value]) -> Result<()> { diff --git a/src/scalar.rs b/src/scalar.rs index 181d3da..613405f 100644 --- a/src/scalar.rs +++ b/src/scalar.rs @@ -216,7 +216,7 @@ where F: Fn(*mut sqlite3_context, &[*mut sqlite3_value]) -> Result<()>, { // TODO: how does x_func even get called here??? - let function_pointer: *mut F = Box::into_raw(Box::new(x_func)); + // let function_pointer: *mut F = Box::into_raw(Box::new(x_func)); unsafe extern "C" fn x_func_wrapper( context: *mut sqlite3_context, diff --git a/tests/test_exec.rs b/tests/test_exec.rs index f6eaa0a..498315f 100644 --- a/tests/test_exec.rs +++ b/tests/test_exec.rs @@ -1,6 +1,3 @@ -use sqlite_loadable::prelude::*; -use sqlite_loadable::{api, define_scalar_function, Result}; - #[cfg(feature = "exec")] use sqlite_loadable::ext; diff --git a/tests/test_find_function.rs b/tests/test_find_function.rs index b8c74f8..be10bba 100644 --- a/tests/test_find_function.rs +++ b/tests/test_find_function.rs @@ -2,7 +2,7 @@ //! sqlite3 :memory: '.read examples/test.sql' use sqlite_loadable::{ - api, define_table_function, + api, scalar::scalar_function_raw, table::{ define_table_function_with_find, BestIndexError, IndexInfo, VTab, VTabArguments, @@ -10,7 +10,7 @@ use sqlite_loadable::{ }, Result, }; -use sqlite_loadable::{prelude::*, Error}; +use sqlite_loadable::prelude::*; use std::{mem, os::raw::c_int}; From d66c4f21a835ae38f7485e6674c7ec384b68c5a1 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 19 Sep 2023 05:20:32 +0200 Subject: [PATCH 048/142] missed one import --- tests/test_collation.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/test_collation.rs b/tests/test_collation.rs index 97710da..b53d580 100644 --- a/tests/test_collation.rs +++ b/tests/test_collation.rs @@ -1,7 +1,6 @@ use sqlite_loadable::prelude::*; use sqlite_loadable::{define_collation, Result}; use std::cmp::Ordering; -use std::os::raw::c_int; fn compare(a: &[u8], b: &[u8]) -> i32 { let a: Vec = a.iter().rev().cloned().collect(); From 342fd995fd1e3c430282a9b77197acf0a5ede20e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 19 Sep 2023 17:08:41 +0200 Subject: [PATCH 049/142] change depndency to sqlite3ext --- examples/mem_vfs.rs | 6 +++--- tests/test_mem_vfs.rs | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 72717ac..de612f0 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -15,9 +15,9 @@ use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; -use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; -use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; /// There is some duplication between rusqlite / sqlite3ext / libsqlite3 diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 16fa5df..b0821fa 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -15,9 +15,9 @@ use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use libsqlite3_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; -use libsqlite3_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; -use libsqlite3_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; /// There is some duplication between rusqlite / sqlite3ext / libsqlite3 From 41628fa03859d99c7a5ea8aa0c307cc7dcdfa057 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 26 Sep 2023 03:18:09 +0200 Subject: [PATCH 050/142] the io_uring example compiles --- Dockerfile | 19 +- benchmarks/vfs/io_uring/Cargo.lock | 937 +++++++++++++++++++++++++++ benchmarks/vfs/io_uring/Cargo.toml | 20 + benchmarks/vfs/io_uring/Dockerfile | 23 + benchmarks/vfs/io_uring/LICENSE | 21 + benchmarks/vfs/io_uring/README.md | 31 + benchmarks/vfs/io_uring/Taskfile.yml | 17 + benchmarks/vfs/io_uring/build.rs | 11 + benchmarks/vfs/io_uring/src/lib.rs | 260 ++++++++ benchmarks/vfs/io_uring/src/ops.rs | 130 ++++ 10 files changed, 1466 insertions(+), 3 deletions(-) create mode 100644 benchmarks/vfs/io_uring/Cargo.lock create mode 100644 benchmarks/vfs/io_uring/Cargo.toml create mode 100644 benchmarks/vfs/io_uring/Dockerfile create mode 100644 benchmarks/vfs/io_uring/LICENSE create mode 100644 benchmarks/vfs/io_uring/README.md create mode 100644 benchmarks/vfs/io_uring/Taskfile.yml create mode 100644 benchmarks/vfs/io_uring/build.rs create mode 100644 benchmarks/vfs/io_uring/src/lib.rs create mode 100644 benchmarks/vfs/io_uring/src/ops.rs diff --git a/Dockerfile b/Dockerfile index 59a53fe..1bf8b22 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,10 +1,23 @@ -FROM debian:bullseye-slim +# kernel 6.1 +FROM debian:bookworm-slim -RUN apt-get update && apt-get install -y curl valgrind build-essential clang pahole -# Install Rust +RUN apt-get update + +# development +RUN apt-get install -y curl valgrind 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b/benchmarks/vfs/io_uring/Dockerfile new file mode 100644 index 0000000..1bf8b22 --- /dev/null +++ b/benchmarks/vfs/io_uring/Dockerfile @@ -0,0 +1,23 @@ +# kernel 6.1 +FROM debian:bookworm-slim + +RUN apt-get update + +# development +RUN apt-get install -y curl valgrind build-essential clang pahole + +# project +RUN apt-get install -y sqlite3 liburing-dev + +# upgrade kernel to 6.1 +RUN apt upgrade -y linux-image-arm64 + +# rust +ENV RUST_VERSION=stable +RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=$RUST_VERSION + +# Install cargo-valgrind +RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind" + +# Check sqlite compile options: +RUN echo "PRAGMA compile_options;" | sqlite3 diff --git a/benchmarks/vfs/io_uring/LICENSE b/benchmarks/vfs/io_uring/LICENSE new file mode 100644 index 0000000..4934435 --- /dev/null +++ b/benchmarks/vfs/io_uring/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2023 Jasm Sison + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md new file mode 100644 index 0000000..2b4e884 --- /dev/null +++ b/benchmarks/vfs/io_uring/README.md @@ -0,0 +1,31 @@ +# sqlite3_vfs_io_uring_rs +PoC: sqlite3 vfs extension support for io_uring + +## Determine your kernel supports io_uring + +Linux command-line: +1. uname -r # expect 5 and above +2. grep io_uring_setup /proc/kallsyms # expect 2 lines +3. gcc test_io_uring.c -o test_io_uring && ./test_io_uring + +```C +// test_io_uring.c + +#include +#include +#include +#include +#include +#include + +int main(int argc, char **argv) { + if (syscall(__NR_io_uring_register, 0, IORING_UNREGISTER_BUFFERS, NULL, 0) && errno == ENOSYS) { + printf("%s", "nope\n"); + return -1; + } else { + printf("%s", "yep\n"); + return 0; + } +} + +``` diff --git a/benchmarks/vfs/io_uring/Taskfile.yml b/benchmarks/vfs/io_uring/Taskfile.yml new file mode 100644 index 0000000..9371940 --- /dev/null +++ b/benchmarks/vfs/io_uring/Taskfile.yml @@ -0,0 +1,17 @@ +# https://taskfile.dev + +version: '3' + +# vars: +# GREETING: Hello, World! + +tasks: + load_test: + cmds: + - sqlite3 -init test.sql + silent: false + valgrind: + cmds: + - VALGRINDFLAGS="--leak-check=yes --trace-children=yes" cargo valgrind test + silent: false + diff --git a/benchmarks/vfs/io_uring/build.rs b/benchmarks/vfs/io_uring/build.rs new file mode 100644 index 0000000..0c46a0e --- /dev/null +++ b/benchmarks/vfs/io_uring/build.rs @@ -0,0 +1,11 @@ +fn main() { + if cfg!(target_os = "linux") { + // Linux-specific build logic goes here + println!("Building for Linux"); + // Continue with your build logic for Linux + } else { + // Print a message and abort the build for other operating systems + eprintln!("This project only supports Linux."); + std::process::exit(1); + } +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs new file mode 100644 index 0000000..8b07213 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -0,0 +1,260 @@ +#![allow(unused)] + +mod ops; + +use ops::Ops; + +use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; +use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::file::FilePolymorph; +use sqlite_loadable::vfs::vfs::create_vfs; + +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; +use url::Url; + +use std::ffi::{CString, CStr}; +use std::fs::{File, self}; +use std::io::{Write, Read, self}; +use std::os::raw::{c_void, c_char}; +use std::{ptr, mem}; + +use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; + +/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c + +const EXTENSION_NAME: &str = "iouring"; + +struct IoUringVfs { + default_vfs: DefaultVfs, + vfs_name: CString, +} + +impl SqliteVfs for IoUringVfs { + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { + + let file_path = unsafe { CString::from_raw(z_name.cast_mut()) }; + + let mut file = Ops::new(file_path.clone(), 32); + + file.open_file().map_err(|_| Error::new_message("can't open file"))?; + + unsafe { *p_file = *create_file_pointer( file ); } + + Ok(()) + } + + fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) + } + + fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { + unsafe { + *p_res_out = 0; + } + Ok(()) + } + + fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { + unsafe { + // don't rely on type conversion of n_out to determine the end line char + let name = CString::from_raw(z_name.cast_mut()); + let src_ptr = name.as_ptr(); + let dst_ptr = z_out; + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); + name.into_raw(); + } + + Ok(()) + } + + /// From here onwards, all calls are redirected to the default vfs + fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { + self.default_vfs.dl_open(z_filename) + } + + fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { + self.default_vfs.dl_error(n_byte, z_err_msg) + } + + fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) + -> Option { + self.default_vfs.dl_sym(arg2, z_symbol) + } + + fn dl_close(&mut self, arg2: *mut c_void) { + self.default_vfs.dl_close(arg2) + } + + fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { + self.default_vfs.randomness(n_byte, z_out) + } + + fn sleep(&mut self, microseconds: i32) -> i32 { + self.default_vfs.sleep(microseconds) + } + + fn current_time(&mut self, arg2: *mut f64) -> i32 { + self.default_vfs.current_time(arg2) + } + + fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { + self.default_vfs.get_last_error(arg2, arg3) + } + + fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { + self.default_vfs.current_time_int64(arg2) + } + + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { + self.default_vfs.set_system_call(z_name, arg2) + } + + fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { + self.default_vfs.get_system_call(z_name) + } + + fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { + self.default_vfs.next_system_call(z_name) + } +} + +impl SqliteIoMethods for Ops { + fn close(&mut self) -> Result<()> { + Ok(()) + } + + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + unsafe { self.o_read(ofst as u64, s as u32, buf) } + } + + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + unsafe { self.o_write(buf, ofst as u64, s as u32) } + } + + fn truncate(&mut self, size: i64) -> Result<()> { + self.o_truncate(size) + } + + fn sync(&mut self, flags: i32) -> Result<()> { + Ok(()) + } + + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { + unsafe { self.o_file_size(p_size as *mut u64) } + } + + fn lock(&mut self, arg2: i32) -> Result<()> { + Ok(()) + } + + fn unlock(&mut self, arg2: i32) -> Result<()> { + Ok(()) + } + + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { + unsafe{ *p_res_out = 0; } + Ok(()) + } + + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { + Ok(()) + } + + fn sector_size(&mut self) -> i32 { + 1024 + } + + fn device_characteristics(&mut self) -> i32 { + SQLITE_IOCAP_ATOMIC | + SQLITE_IOCAP_POWERSAFE_OVERWRITE | + SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_SEQUENTIAL + } + + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) + } + + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { + // SQLITE_IOERR_SHMLOCK is deprecated? + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) + } + + fn shm_barrier(&mut self) -> Result<()> { + Ok(()) + } + + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { + Ok(()) + } + + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + unsafe { self.o_fetch(ofst as u64, size as u32, pp) } + } + + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + Ok(()) + } +} + +/// Usage: "ATTACH iouring_vfs_from_file('test.db') AS inmem;" +fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { + let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; + + let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); + + api::result_text(context, text_output); + + Ok(()) +} + +#[sqlite_entrypoint_permanent] +pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { + let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); + let mem_vfs = IoUringVfs { + default_vfs: unsafe { + // pass thru + DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) + }, + vfs_name + }; + + let name_ptr = mem_vfs.vfs_name.as_ptr(); // allocation is bound to lifetime of struct + + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); + + register_vfs(vfs, true)?; + + let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; + define_scalar_function(db, "iouring_vfs_from_file", 1, vfs_from_file, flags)?; + + Ok(()) +} + +// TODO single parameter: n for workers = files, CPU-bounded? +// TODO parameter: one worker per db = vfs + +// TODO Mutex lock on path + +// TODO write a unit test for each operation that either vfs or file has to support +// put them in tests/, each op must be non-copy + +// TODO write unit test that also benchmarks, use rusql and +// pre-generate random values, from non-io_uring to io_uring, and vice versa + +// single process vs concurrent interleaving +// CRUD +// aggregates functions etc. + +// table to table, 0 = no io uring, 1 = io uring supported +// 0 on 0 +// 1 on 0 +// 0 on 1 +// 1 on 1 + +// TODO compare standard file vfs, mem vfs, io_uring+mmap vfs, mmap vfs + diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs new file mode 100644 index 0000000..d557ec2 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -0,0 +1,130 @@ +use std::os::unix::ffi::OsStrExt; +use std::ffi::{CString, CStr}; +use std::os::raw::c_void; +use std::fs::File; +use std::os::unix::io::{FromRawFd,AsRawFd}; + +use sqlite_loadable::{Result, Error, ErrorKind}; + +use std::{ptr, mem}; +use sqlite_loadable::ext::sqlite3ext_vfs_find; +use sqlite_loadable::vfs::default::DefaultVfs; + +use io_uring::{opcode, types, IoUring}; +use std::io; + +pub(crate) struct Ops { + ring: IoUring, + file_path: CString, +} + +impl Ops { + pub(crate) fn new(file_path: CString, ring_size: u32) -> Self { + let mut ring = IoUring::new(ring_size).unwrap(); + + Ops { + ring, // Adjust the number of entries as needed + file_path, + } + } + + pub(crate) fn open_file(&mut self) -> Result<()> { + let dirfd = types::Fd(libc::AT_FDCWD); + + // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike + let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64; + + let openhow = types::OpenHow::new().flags(flags); + + let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow) + .build() + .user_data(0xB33F); + + unsafe { + self.ring.submission() + .push(&open_e) + .map_err(|_| Error::new_message("submission queue is full"))?; + } + + self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; + + let cqe = self.ring.completion().next().unwrap(); + if cqe.result() < 0 { + return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + } + + Ok(()) + } + + pub(crate) unsafe fn o_read( + &mut self, + offset: u64, + size: u32, + buf_out: *mut c_void, + ) -> Result<()> { + let mut op = opcode::Read::new(types::Fd(self.ring.as_raw_fd()), buf_out as *mut _, size) + .offset(offset); + self.ring + .submission() + .push(&op.build().user_data(1)); + self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; + let cqe = self.ring.completion().next().unwrap(); + if cqe.result() < 0 { + return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + } + Ok(()) + } + + pub(crate) unsafe fn o_write( + &mut self, + buf_in: *const c_void, + offset: u64, + size: u32, + ) -> Result<()> { + let mut op = opcode::Write::new(types::Fd(self.ring.as_raw_fd()), buf_in as *const _, size) + .offset(offset); + self.ring + .submission() + .push(&op.build().user_data(2)); + self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; + let cqe = self.ring.completion().next().unwrap(); + if cqe.result() < 0 { + return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + } + Ok(()) + } + + // TODO is there also a ftruncate for io_uring? fallocate? + pub(crate) fn o_truncate(&mut self, size: i64) -> Result<()> { + let result = unsafe { libc::ftruncate(self.ring.as_raw_fd(), size) }; + if result == -1 { + Err(Error::new_message(format!("raw os error result: {}", result)))?; + } + Ok(()) + } + + // Documentation: + // Implement this function to read data from the file at the specified offset and store it in `buf_out`. + // You can use the same pattern as in `read_file`. + pub(crate) unsafe fn o_fetch( + &mut self, + offset: u64, + size: u32, + buf_out: *mut *mut c_void, + ) -> Result<()> { + self.o_read(offset, size, *buf_out as *mut _) + } + + pub(crate) unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { + + let file = File::from_raw_fd(self.ring.as_raw_fd()); + let size = file.metadata().unwrap().len(); + + unsafe { + *out = size; + } + + Ok(()) + } +} + From 4603056a001d1d6ba51b016bcc7fc04080ae8169 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 26 Sep 2023 03:51:57 +0200 Subject: [PATCH 051/142] added failing test --- benchmarks/vfs/io_uring/Cargo.lock | 29 ++++++ benchmarks/vfs/io_uring/Cargo.toml | 1 + benchmarks/vfs/io_uring/src/lib.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 32 ++++--- benchmarks/vfs/io_uring/tests/test_ops.rs | 110 ++++++++++++++++++++++ 5 files changed, 159 insertions(+), 15 deletions(-) create mode 100644 benchmarks/vfs/io_uring/tests/test_ops.rs diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index 838113e..a20bf93 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -225,6 +225,12 @@ version = "0.1.9" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a" +[[package]] +name = "fastrand" +version = "2.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5" + [[package]] name = "form_urlencoded" version = "1.2.0" @@ -505,6 +511,15 @@ dependencies = [ "proc-macro2", ] +[[package]] +name = "redox_syscall" +version = "0.3.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29" +dependencies = [ + "bitflags 1.3.2", +] + [[package]] name = "regex" version = "1.9.5" @@ -655,6 +670,7 @@ dependencies = [ "rusqlite", "sqlite-loadable", "sqlite3ext-sys", + "tempfile", "url", ] @@ -708,6 +724,19 @@ dependencies = [ "walkdir", ] +[[package]] +name = "tempfile" +version = "3.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cb94d2f3cc536af71caac6b6fcebf65860b347e7ce0cc9ebe8f70d3e521054ef" +dependencies = [ + "cfg-if", + "fastrand", + "redox_syscall", + "rustix", + "windows-sys", +] + [[package]] name = "termcolor" version = "1.2.0" diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index e01a19d..cad2a20 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -13,6 +13,7 @@ libc = "0.2.148" [dev-dependencies] rusqlite = "0.29.0" +tempfile = "3.8.0" [lib] crate-type=["lib", "staticlib", "cdylib"] diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 8b07213..3fb4ac8 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,6 +1,6 @@ #![allow(unused)] -mod ops; +pub mod ops; use ops::Ops; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index d557ec2..0bcc196 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -13,22 +13,24 @@ use sqlite_loadable::vfs::default::DefaultVfs; use io_uring::{opcode, types, IoUring}; use std::io; -pub(crate) struct Ops { +pub struct Ops { ring: IoUring, file_path: CString, + file_fd: Option } impl Ops { - pub(crate) fn new(file_path: CString, ring_size: u32) -> Self { + pub fn new(file_path: CString, ring_size: u32) -> Self { let mut ring = IoUring::new(ring_size).unwrap(); Ops { - ring, // Adjust the number of entries as needed + ring, file_path, + file_fd: None, } } - pub(crate) fn open_file(&mut self) -> Result<()> { + pub fn open_file(&mut self) -> Result<()> { let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike @@ -49,20 +51,23 @@ impl Ops { self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); + if cqe.result() < 0 { return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } + + self.file_fd = Some(cqe.result()); Ok(()) } - pub(crate) unsafe fn o_read( + pub unsafe fn o_read( &mut self, offset: u64, size: u32, buf_out: *mut c_void, ) -> Result<()> { - let mut op = opcode::Read::new(types::Fd(self.ring.as_raw_fd()), buf_out as *mut _, size) + let mut op = opcode::Read::new(types::Fd(self.file_fd.unwrap()), buf_out as *mut _, size) .offset(offset); self.ring .submission() @@ -75,13 +80,13 @@ impl Ops { Ok(()) } - pub(crate) unsafe fn o_write( + pub unsafe fn o_write( &mut self, buf_in: *const c_void, offset: u64, size: u32, ) -> Result<()> { - let mut op = opcode::Write::new(types::Fd(self.ring.as_raw_fd()), buf_in as *const _, size) + let mut op = opcode::Write::new(types::Fd(self.file_fd.unwrap()), buf_in as *const _, size) .offset(offset); self.ring .submission() @@ -95,8 +100,8 @@ impl Ops { } // TODO is there also a ftruncate for io_uring? fallocate? - pub(crate) fn o_truncate(&mut self, size: i64) -> Result<()> { - let result = unsafe { libc::ftruncate(self.ring.as_raw_fd(), size) }; + pub fn o_truncate(&mut self, size: i64) -> Result<()> { + let result = unsafe { libc::ftruncate(self.file_fd.unwrap(), size) }; if result == -1 { Err(Error::new_message(format!("raw os error result: {}", result)))?; } @@ -106,7 +111,7 @@ impl Ops { // Documentation: // Implement this function to read data from the file at the specified offset and store it in `buf_out`. // You can use the same pattern as in `read_file`. - pub(crate) unsafe fn o_fetch( + pub unsafe fn o_fetch( &mut self, offset: u64, size: u32, @@ -115,9 +120,9 @@ impl Ops { self.o_read(offset, size, *buf_out as *mut _) } - pub(crate) unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { + pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { - let file = File::from_raw_fd(self.ring.as_raw_fd()); + let file = File::from_raw_fd(self.file_fd.unwrap()); let size = file.metadata().unwrap().len(); unsafe { @@ -127,4 +132,3 @@ impl Ops { Ok(()) } } - diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs new file mode 100644 index 0000000..d61a510 --- /dev/null +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -0,0 +1,110 @@ +use sqlite3_vfs_io_uring_rs::ops::Ops; +use std::ffi::CString; +use std::os::raw::c_void; + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_open_file() { + // Create a temporary file for testing + let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let mut ops = Ops::new(file_path.clone(), 16); + + // Perform the open operation + let result = ops.open_file(); + + // Check if the operation was successful + assert!(result.is_ok()); + + // Cleanup + tmpfile.close().unwrap(); + } + + #[test] + fn test_read_and_write() { + // Create a temporary file for testing + let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let mut ops = Ops::new(file_path.clone(), 16); + + // Perform the open operation + ops.open_file().unwrap(); + + // Write data to the file + let data_to_write = b"Hello, World!"; + let mut buf: [u8;13] = [0; 13]; + let buf_ptr = buf.as_mut_ptr() as *mut c_void; + unsafe { + ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13).unwrap(); + ops.o_read(0, 13, buf_ptr).unwrap(); + } + + // // Check if the data read matches what was written + for i in 0..13 { + assert_eq!(buf[i], data_to_write[i]); + } + + // Cleanup + tmpfile.close().unwrap(); + } + + #[test] + fn test_file_size() { + // Create a temporary file for testing + let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let mut ops = Ops::new(file_path.clone(), 16); + + // Perform the open operation + ops.open_file().unwrap(); + + // Get the current file size + let mut file_size: u64 = 0; + unsafe { + ops.o_file_size(&mut file_size).unwrap(); + } + + // Expected file size is 0 since the file is empty + assert_eq!(file_size, 0); + + // Cleanup + tmpfile.close().unwrap(); + } + + #[test] + fn test_truncate() { + // Create a temporary file for testing + let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let mut ops = Ops::new(file_path.clone(), 16); + + // Perform the open operation + ops.open_file().unwrap(); + + // Write some data to the file + let data_to_write = b"Hello, World!"; + let data_len = data_to_write.len() as i64; + unsafe { + ops.o_write(data_to_write.as_ptr() as *const c_void, 0, data_len as u32).unwrap(); + } + + // Truncate the file to a smaller size + let new_size = 5; // Set the new size to 5 bytes + ops.o_truncate(new_size).unwrap(); + + // Get the current file size + let mut file_size: u64 = 0; + unsafe { + ops.o_file_size(&mut file_size).unwrap(); + } + + // Check if the file size matches the expected size + assert_eq!(file_size, new_size as u64); + + // Cleanup + tmpfile.close().unwrap(); + } +} From 53960cce48ba5247ff09beeb69588ba30dc7fcb7 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 27 Sep 2023 22:43:11 +0200 Subject: [PATCH 052/142] at least read works, 2/5 fail --- benchmarks/vfs/io_uring/src/lib.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 67 ++++++++++++++++++----- benchmarks/vfs/io_uring/tests/test_ops.rs | 47 +++++++++++++--- 3 files changed, 94 insertions(+), 22 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 3fb4ac8..ce0b541 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -136,7 +136,7 @@ impl SqliteIoMethods for Ops { } fn truncate(&mut self, size: i64) -> Result<()> { - self.o_truncate(size) + unsafe { self.o_truncate(size) } } fn sync(&mut self, flags: i32) -> Result<()> { diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 0bcc196..92cecc9 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -6,6 +6,8 @@ use std::os::unix::io::{FromRawFd,AsRawFd}; use sqlite_loadable::{Result, Error, ErrorKind}; +// IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html + use std::{ptr, mem}; use sqlite_loadable::ext::sqlite3ext_vfs_find; use sqlite_loadable::vfs::default::DefaultVfs; @@ -13,6 +15,9 @@ use sqlite_loadable::vfs::default::DefaultVfs; use io_uring::{opcode, types, IoUring}; use std::io; +// https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 +const FALLOC_FL_KEEP_SIZE: u32 = 1; + pub struct Ops { ring: IoUring, file_path: CString, @@ -21,7 +26,9 @@ pub struct Ops { impl Ops { pub fn new(file_path: CString, ring_size: u32) -> Self { - let mut ring = IoUring::new(ring_size).unwrap(); + // Tested on kernels 5.15.49, 6.3.13 + // let mut ring = IoUring::new(ring_size).unwrap(); // 3/5 + let mut ring = IoUring::builder().setup_sqpoll(500).build(ring_size).unwrap(); // 3/5 Ops { ring, @@ -34,7 +41,7 @@ impl Ops { let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike - let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64; + let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64; let openhow = types::OpenHow::new().flags(flags); @@ -47,16 +54,23 @@ impl Ops { .push(&open_e) .map_err(|_| Error::new_message("submission queue is full"))?; } - - self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; + + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); - if cqe.result() < 0 { - return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + let result = cqe.result(); + + if result < 0 { + Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } - self.file_fd = Some(cqe.result()); + self.file_fd = Some(result.try_into().unwrap()); + + // Doesn't make a difference + // self.ring.submitter().register_files(&[result]) + // .map_err(|_| Error::new_message("failed to register file"))?; Ok(()) } @@ -72,10 +86,11 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(1)); - self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) } @@ -91,24 +106,48 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(2)); - self.ring.submit_and_wait(1).map_err(|_| Error::new_message("submit failed or timed out"))?; + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - return Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) } + /* // TODO is there also a ftruncate for io_uring? fallocate? - pub fn o_truncate(&mut self, size: i64) -> Result<()> { - let result = unsafe { libc::ftruncate(self.file_fd.unwrap(), size) }; + pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + let result = libc::ftruncate(self.file_fd.unwrap(), size); if result == -1 { Err(Error::new_message(format!("raw os error result: {}", result)))?; } Ok(()) } + */ + + pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + let mut op = opcode::Fallocate::new(types::Fd(self.file_fd.unwrap()), size.try_into().unwrap()) + .mode(FALLOC_FL_KEEP_SIZE); + + self.ring + .submission() + .push(&op.build().user_data(3)); + + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; + + let cqe = self.ring + .completion() + .next() + .unwrap(); + if cqe.result() < 0 { + Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + } + Ok(()) + } - // Documentation: + // SQLite Documentation: // Implement this function to read data from the file at the specified offset and store it in `buf_out`. // You can use the same pattern as in `read_file`. pub unsafe fn o_fetch( diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index d61a510..ed2711a 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -5,6 +5,7 @@ use std::os::raw::c_void; #[cfg(test)] mod tests { use super::*; + use std::io::Write; #[test] fn test_open_file() { @@ -24,7 +25,37 @@ mod tests { } #[test] - fn test_read_and_write() { + fn test_read() { + // Create a temporary file for testing + let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); + + let data_to_write = b"Hello, World!"; + let _ = tmpfile.write(data_to_write); + + let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let mut ops = Ops::new(file_path.clone(), 16); + + // Perform the open operation + ops.open_file().unwrap(); + + // Read the file + let mut buf: [u8;13] = [0; 13]; + let buf_ptr = buf.as_mut_ptr() as *mut c_void; + unsafe { + ops.o_read(0, 13, buf_ptr).unwrap(); + } + + // // Check if the data read matches what was written + for i in 0..13 { + assert_eq!(buf[i], data_to_write[i]); + } + + // Cleanup + tmpfile.close().unwrap(); + } + + #[test] + fn test_write_then_read() { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new().unwrap(); let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); @@ -77,7 +108,7 @@ mod tests { #[test] fn test_truncate() { // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); let mut ops = Ops::new(file_path.clone(), 16); @@ -86,14 +117,16 @@ mod tests { // Write some data to the file let data_to_write = b"Hello, World!"; - let data_len = data_to_write.len() as i64; - unsafe { - ops.o_write(data_to_write.as_ptr() as *const c_void, 0, data_len as u32).unwrap(); - } + let _ = tmpfile.write(data_to_write); + + // let data_len = data_to_write.len() as i64; + // unsafe { + // ops.o_write(data_to_write.as_ptr() as *const c_void, 0, data_len as u32).unwrap(); + // } // Truncate the file to a smaller size let new_size = 5; // Set the new size to 5 bytes - ops.o_truncate(new_size).unwrap(); + unsafe { ops.o_truncate(new_size).unwrap(); } // Get the current file size let mut file_size: u64 = 0; From 37bf51b3c6eb0c1b43e208173ce68903e093d006 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 27 Sep 2023 23:45:08 +0200 Subject: [PATCH 053/142] add close op --- benchmarks/vfs/io_uring/src/ops.rs | 42 ++++++++++++++--------- benchmarks/vfs/io_uring/tests/test_ops.rs | 9 +++++ 2 files changed, 34 insertions(+), 17 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 92cecc9..b729578 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -16,7 +16,7 @@ use io_uring::{opcode, types, IoUring}; use std::io; // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 -const FALLOC_FL_KEEP_SIZE: u32 = 1; +const FALLOC_FL_KEEP_SIZE: i32 = 1; pub struct Ops { ring: IoUring, @@ -68,9 +68,8 @@ impl Ops { self.file_fd = Some(result.try_into().unwrap()); - // Doesn't make a difference - // self.ring.submitter().register_files(&[result]) - // .map_err(|_| Error::new_message("failed to register file"))?; + self.ring.submitter().register_files(&[result]) + .map_err(|_| Error::new_message("failed to register file"))?; Ok(()) } @@ -101,7 +100,7 @@ impl Ops { offset: u64, size: u32, ) -> Result<()> { - let mut op = opcode::Write::new(types::Fd(self.file_fd.unwrap()), buf_in as *const _, size) + let mut op = opcode::Write::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), buf_in as *const _, size) .offset(offset); self.ring .submission() @@ -115,19 +114,8 @@ impl Ops { Ok(()) } - /* - // TODO is there also a ftruncate for io_uring? fallocate? pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { - let result = libc::ftruncate(self.file_fd.unwrap(), size); - if result == -1 { - Err(Error::new_message(format!("raw os error result: {}", result)))?; - } - Ok(()) - } - */ - - pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { - let mut op = opcode::Fallocate::new(types::Fd(self.file_fd.unwrap()), size.try_into().unwrap()) + let mut op = opcode::Fallocate::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), size.try_into().unwrap()) .mode(FALLOC_FL_KEEP_SIZE); self.ring @@ -170,4 +158,24 @@ impl Ops { Ok(()) } + + pub unsafe fn o_close(&mut self) -> Result<()> { + let mut op = opcode::Close::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap())); + + self.ring + .submission() + .push(&op.build().user_data(4)); + + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; + + let cqe = self.ring + .completion() + .next() + .unwrap(); + if cqe.result() < 0 { + Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + } + Ok(()) + } } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index ed2711a..c32412d 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -2,6 +2,11 @@ use sqlite3_vfs_io_uring_rs::ops::Ops; use std::ffi::CString; use std::os::raw::c_void; +/// EBADF +/// The fd field in the submission queue entry is invalid, +/// or the IOSQE_FIXED_FILE flag was set in the submission queue entry, +/// but no files were registered with the io_uring instance. + #[cfg(test)] mod tests { use super::*; @@ -20,6 +25,10 @@ mod tests { // Check if the operation was successful assert!(result.is_ok()); + unsafe { + ops.o_close(); + } + // Cleanup tmpfile.close().unwrap(); } From f3170dbbd45e2f8f05e456ba0b744d46fd8c753b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 02:14:44 +0200 Subject: [PATCH 054/142] rewrote file size --- benchmarks/vfs/io_uring/src/lib.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 49 +++++++++++++++-------- benchmarks/vfs/io_uring/tests/test_ops.rs | 10 +++-- 3 files changed, 41 insertions(+), 20 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index ce0b541..83e230f 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -124,7 +124,7 @@ impl SqliteVfs for IoUringVfs { impl SqliteIoMethods for Ops { fn close(&mut self) -> Result<()> { - Ok(()) + unsafe { self.o_close() } } fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index b729578..299d585 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -84,7 +84,8 @@ impl Ops { .offset(offset); self.ring .submission() - .push(&op.build().user_data(1)); + .push(&op.build().user_data(1)) + .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) .map_err(|_| Error::new_message("submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); @@ -104,7 +105,8 @@ impl Ops { .offset(offset); self.ring .submission() - .push(&op.build().user_data(2)); + .push(&op.build().user_data(2)) + .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) .map_err(|_| Error::new_message("submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); @@ -120,7 +122,8 @@ impl Ops { self.ring .submission() - .push(&op.build().user_data(3)); + .push(&op.build().user_data(3)) + .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) .map_err(|_| Error::new_message("submit failed or timed out"))?; @@ -147,24 +150,13 @@ impl Ops { self.o_read(offset, size, *buf_out as *mut _) } - pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { - - let file = File::from_raw_fd(self.file_fd.unwrap()); - let size = file.metadata().unwrap().len(); - - unsafe { - *out = size; - } - - Ok(()) - } - pub unsafe fn o_close(&mut self) -> Result<()> { let mut op = opcode::Close::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap())); self.ring .submission() - .push(&op.build().user_data(4)); + .push(&op.build().user_data(4)) + .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) .map_err(|_| Error::new_message("submit failed or timed out"))?; @@ -178,4 +170,29 @@ impl Ops { } Ok(()) } + + pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { + let mut statx_buf: libc::statx = unsafe { std::mem::zeroed() }; + let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; + + let dirfd = types::Fd(libc::AT_FDCWD); + let statx_op = opcode::Statx::new(dirfd, self.file_path.as_ptr(), statx_buf_ptr as *mut _) + .flags(libc::AT_EMPTY_PATH) + .mask(libc::STATX_ALL); + + self.ring + .submission() + .push(&statx_op.build().user_data(5)) + .map_err(|_| Error::new_message("submission queue is full"))?; + + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; + + unsafe { + *out = statx_buf.stx_size as u64; + } + + Ok(()) + } + } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index c32412d..85e42ca 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -26,7 +26,7 @@ mod tests { assert!(result.is_ok()); unsafe { - ops.o_close(); + let _ = ops.o_close(); } // Cleanup @@ -94,8 +94,12 @@ mod tests { #[test] fn test_file_size() { // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + + let data_to_write = b"Hello, World!"; + let _ = tmpfile.write(data_to_write); + let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation @@ -108,7 +112,7 @@ mod tests { } // Expected file size is 0 since the file is empty - assert_eq!(file_size, 0); + assert_eq!(file_size, 13); // Cleanup tmpfile.close().unwrap(); From 272fba68f30474cecad32fb6a01d730857384472 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 04:11:06 +0200 Subject: [PATCH 055/142] minor variable name adjustments --- benchmarks/vfs/io_uring/src/lib.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 83e230f..1d6dcee 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -201,7 +201,7 @@ impl SqliteIoMethods for Ops { } } -/// Usage: "ATTACH iouring_vfs_from_file('test.db') AS inmem;" +/// Usage: "ATTACH iouring_vfs_from_file('test.db') AS inring;" fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; @@ -215,7 +215,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - #[sqlite_entrypoint_permanent] pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); - let mem_vfs = IoUringVfs { + let ring_vfs = IoUringVfs { default_vfs: unsafe { // pass thru DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) @@ -223,9 +223,9 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { vfs_name }; - let name_ptr = mem_vfs.vfs_name.as_ptr(); // allocation is bound to lifetime of struct + let name_ptr = ring_vfs.vfs_name.as_ptr(); // allocation is bound to lifetime of struct - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); + let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, None); register_vfs(vfs, true)?; From 045a8059f4aa04d8176044aacd1aa42ad9c263c2 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 13:38:15 +0200 Subject: [PATCH 056/142] replace magic numbers --- benchmarks/vfs/io_uring/src/ops.rs | 25 +++++++++++++++++------ benchmarks/vfs/io_uring/tests/test_ops.rs | 5 ++--- 2 files changed, 21 insertions(+), 9 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 299d585..93c4d4e 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -18,6 +18,13 @@ use std::io; // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 const FALLOC_FL_KEEP_SIZE: i32 = 1; +const USER_DATA_OPEN: u64 = 0x1; +const USER_DATA_READ: u64 = 0x2; +const USER_DATA_STATX: u64 = 0x3; +const USER_DATA_WRITE: u64 = 0x4; +const USER_DATA_FALLOCATE: u64 = 0x5; +const USER_DATA_CLOSE: u64 = 0x6; + pub struct Ops { ring: IoUring, file_path: CString, @@ -47,7 +54,7 @@ impl Ops { let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow) .build() - .user_data(0xB33F); + .user_data(USER_DATA_OPEN); unsafe { self.ring.submission() @@ -84,7 +91,7 @@ impl Ops { .offset(offset); self.ring .submission() - .push(&op.build().user_data(1)) + .push(&op.build().user_data(USER_DATA_READ)) .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) .map_err(|_| Error::new_message("submit failed or timed out"))?; @@ -105,7 +112,7 @@ impl Ops { .offset(offset); self.ring .submission() - .push(&op.build().user_data(2)) + .push(&op.build().user_data(USER_DATA_WRITE)) .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) .map_err(|_| Error::new_message("submit failed or timed out"))?; @@ -120,9 +127,12 @@ impl Ops { let mut op = opcode::Fallocate::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), size.try_into().unwrap()) .mode(FALLOC_FL_KEEP_SIZE); + // let mut op = opcode::Fallocate::new(types::Fd(self.file_fd.unwrap()), size.try_into().unwrap()) + // .mode(FALLOC_FL_KEEP_SIZE); + self.ring .submission() - .push(&op.build().user_data(3)) + .push(&op.build().user_data(USER_DATA_FALLOCATE)) .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) @@ -155,7 +165,7 @@ impl Ops { self.ring .submission() - .push(&op.build().user_data(4)) + .push(&op.build().user_data(USER_DATA_CLOSE)) .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) @@ -168,6 +178,9 @@ impl Ops { if cqe.result() < 0 { Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } + + let _ = self.ring.submitter().unregister_files(); + Ok(()) } @@ -182,7 +195,7 @@ impl Ops { self.ring .submission() - .push(&statx_op.build().user_data(5)) + .push(&statx_op.build().user_data(USER_DATA_STATX)) .map_err(|_| Error::new_message("submission queue is full"))?; self.ring.submit_and_wait(1) diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 85e42ca..a3ad130 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -54,7 +54,7 @@ mod tests { ops.o_read(0, 13, buf_ptr).unwrap(); } - // // Check if the data read matches what was written + // Check if the data read matches what was written for i in 0..13 { assert_eq!(buf[i], data_to_write[i]); } @@ -82,7 +82,7 @@ mod tests { ops.o_read(0, 13, buf_ptr).unwrap(); } - // // Check if the data read matches what was written + // Check if the data read matches what was written for i in 0..13 { assert_eq!(buf[i], data_to_write[i]); } @@ -111,7 +111,6 @@ mod tests { ops.o_file_size(&mut file_size).unwrap(); } - // Expected file size is 0 since the file is empty assert_eq!(file_size, 13); // Cleanup From e5d51f2ff23b654e3c2c9c6a08195e889f181943 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 14:21:35 +0200 Subject: [PATCH 057/142] add read and write flag when opening a file 2/5 tests are still broken --- benchmarks/vfs/io_uring/src/ops.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 93c4d4e..69876c1 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -12,7 +12,7 @@ use std::{ptr, mem}; use sqlite_loadable::ext::sqlite3ext_vfs_find; use sqlite_loadable::vfs::default::DefaultVfs; -use io_uring::{opcode, types, IoUring}; +use io_uring::{register, opcode, types, IoUring}; use std::io; // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 @@ -48,7 +48,7 @@ impl Ops { let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike - let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64; + let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; let openhow = types::OpenHow::new().flags(flags); From 9eef967f41f1b484fd38d5d4fca2cf1453ea309b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 14:22:41 +0200 Subject: [PATCH 058/142] add test that gives false negatives --- benchmarks/vfs/io_uring/src/ops.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 69876c1..0d9ed30 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -209,3 +209,22 @@ impl Ops { } } + +/* +// All fail for some reason +#[cfg(test)] +mod tests { + use io_uring::{register, opcode}; + + #[test] + fn test_supported_ops() { + let mut probe = register::Probe::new(); + assert!(probe.is_supported(opcode::OpenAt2::CODE)); + assert!(probe.is_supported(opcode::Read::CODE)); + assert!(probe.is_supported(opcode::Write::CODE)); + assert!(probe.is_supported(opcode::Fallocate::CODE)); + assert!(probe.is_supported(opcode::Close::CODE)); + assert!(probe.is_supported(opcode::Statx::CODE)); + } +} +*/ \ No newline at end of file From 897ecc1e1c10391130f590fd485891c1af36d28b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 14:23:54 +0200 Subject: [PATCH 059/142] clean up --- benchmarks/vfs/io_uring/tests/test_ops.rs | 5 ----- 1 file changed, 5 deletions(-) diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index a3ad130..55ec7a4 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -131,11 +131,6 @@ mod tests { let data_to_write = b"Hello, World!"; let _ = tmpfile.write(data_to_write); - // let data_len = data_to_write.len() as i64; - // unsafe { - // ops.o_write(data_to_write.as_ptr() as *const c_void, 0, data_len as u32).unwrap(); - // } - // Truncate the file to a smaller size let new_size = 5; // Set the new size to 5 bytes unsafe { ops.o_truncate(new_size).unwrap(); } From 4a0bd29a14ab50123bed5d4d1ff6bf056cb461ab Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 28 Sep 2023 14:54:03 +0200 Subject: [PATCH 060/142] the extension loads but this happens, and in docker it left a permissionless test.db file ''' sqlite> ATTACH iouring_vfs_from_file('test.db') AS inring; munmap_chunk(): invalid pointer ''' --- benchmarks/vfs/io_uring/Cargo.toml | 3 ++- benchmarks/vfs/io_uring/src/lib.rs | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index cad2a20..2a0b14c 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -16,6 +16,7 @@ rusqlite = "0.29.0" tempfile = "3.8.0" [lib] -crate-type=["lib", "staticlib", "cdylib"] +name = "_iouringvfs" +crate-type = ["lib", "staticlib", "cdylib"] build = "build.rs" diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 1d6dcee..1f5fbd3 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -212,6 +212,7 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - Ok(()) } +// See Cargo.toml "[[lib]] name = ..." matches this function name #[sqlite_entrypoint_permanent] pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); From ca0b42fbcfe434a30876728b358fe7dad5950aee Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 29 Sep 2023 15:12:12 +0200 Subject: [PATCH 061/142] minor improvements, everything is still broken --- benchmarks/vfs/io_uring/src/ops.rs | 13 +++++++------ benchmarks/vfs/io_uring/tests/test_ops.rs | 10 +++------- 2 files changed, 10 insertions(+), 13 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 0d9ed30..9f02366 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -52,13 +52,14 @@ impl Ops { let openhow = types::OpenHow::new().flags(flags); - let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow) - .build() - .user_data(USER_DATA_OPEN); - + let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow); + unsafe { self.ring.submission() - .push(&open_e) + .push( + &open_e.build() + .user_data(USER_DATA_OPEN) + ) .map_err(|_| Error::new_message("submission queue is full"))?; } @@ -87,7 +88,7 @@ impl Ops { size: u32, buf_out: *mut c_void, ) -> Result<()> { - let mut op = opcode::Read::new(types::Fd(self.file_fd.unwrap()), buf_out as *mut _, size) + let mut op = opcode::Read::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), buf_out as *mut _, size) .offset(offset); self.ring .submission() diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 55ec7a4..9b40e56 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -1,4 +1,3 @@ -use sqlite3_vfs_io_uring_rs::ops::Ops; use std::ffi::CString; use std::os::raw::c_void; @@ -10,6 +9,7 @@ use std::os::raw::c_void; #[cfg(test)] mod tests { use super::*; + use _iouringvfs::ops::Ops; use std::io::Write; #[test] @@ -55,9 +55,7 @@ mod tests { } // Check if the data read matches what was written - for i in 0..13 { - assert_eq!(buf[i], data_to_write[i]); - } + assert_eq!(buf[..], data_to_write[..]); // Cleanup tmpfile.close().unwrap(); @@ -83,9 +81,7 @@ mod tests { } // Check if the data read matches what was written - for i in 0..13 { - assert_eq!(buf[i], data_to_write[i]); - } + assert_eq!(buf[..], data_to_write[..]); // Cleanup tmpfile.close().unwrap(); From 8d08224118556c11c5cda2d09046b2478912f082 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 29 Sep 2023 16:13:09 +0200 Subject: [PATCH 062/142] add compulsory mode in case of O_CREAT --- benchmarks/vfs/io_uring/src/ops.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 9f02366..9427927 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -50,7 +50,7 @@ impl Ops { // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; - let openhow = types::OpenHow::new().flags(flags); + let openhow = types::OpenHow::new().flags(flags).mode(600); let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow); From 3d90dcc4f5817be203f88651e4b66a720225aaea Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 29 Sep 2023 16:23:51 +0200 Subject: [PATCH 063/142] renamed function; extracted fd --- benchmarks/vfs/io_uring/src/ops.rs | 15 ++++++++++----- benchmarks/vfs/io_uring/tests/test_ops.rs | 2 +- 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 9427927..7737672 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -34,8 +34,8 @@ pub struct Ops { impl Ops { pub fn new(file_path: CString, ring_size: u32) -> Self { // Tested on kernels 5.15.49, 6.3.13 - // let mut ring = IoUring::new(ring_size).unwrap(); // 3/5 - let mut ring = IoUring::builder().setup_sqpoll(500).build(ring_size).unwrap(); // 3/5 + // let mut ring = IoUring::new(ring_size).unwrap(); + let mut ring = IoUring::builder().setup_sqpoll(500).build(ring_size).unwrap(); Ops { ring, @@ -88,7 +88,9 @@ impl Ops { size: u32, buf_out: *mut c_void, ) -> Result<()> { - let mut op = opcode::Read::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), buf_out as *mut _, size) + let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + // let fd = types::Fd(self.file_fd.unwrap()); + let mut op = opcode::Read::new(fd, buf_out as *mut _, size) .offset(offset); self.ring .submission() @@ -109,7 +111,9 @@ impl Ops { offset: u64, size: u32, ) -> Result<()> { - let mut op = opcode::Write::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), buf_in as *const _, size) + let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + // let fd = types::Fd(self.file_fd.unwrap()); + let mut op = opcode::Write::new(fd, buf_in as *const _, size) .offset(offset); self.ring .submission() @@ -125,7 +129,8 @@ impl Ops { } pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { - let mut op = opcode::Fallocate::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap()), size.try_into().unwrap()) + let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) .mode(FALLOC_FL_KEEP_SIZE); // let mut op = opcode::Fallocate::new(types::Fd(self.file_fd.unwrap()), size.try_into().unwrap()) diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 9b40e56..6fba595 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -13,7 +13,7 @@ mod tests { use std::io::Write; #[test] - fn test_open_file() { + fn test_open_and_close_file() { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new().unwrap(); let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); From 0ddfd665f726ded3b603a94e0a18c3b4b0f98eec Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 29 Sep 2023 18:03:21 +0200 Subject: [PATCH 064/142] fix: sqlite3 --init test.sql --- benchmarks/vfs/io_uring/src/lib.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 2 +- benchmarks/vfs/io_uring/test.sql | 16 ++++++++++++++++ 3 files changed, 18 insertions(+), 2 deletions(-) create mode 100644 benchmarks/vfs/io_uring/test.sql diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 1f5fbd3..bb9d4dd 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -231,7 +231,7 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; - define_scalar_function(db, "iouring_vfs_from_file", 1, vfs_from_file, flags)?; + define_scalar_function(db, "io_uring_vfs_from_file", 1, vfs_from_file, flags)?; Ok(()) } diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 7737672..59aa109 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -50,7 +50,7 @@ impl Ops { // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; - let openhow = types::OpenHow::new().flags(flags).mode(600); + let openhow = types::OpenHow::new().flags(flags).mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow); diff --git a/benchmarks/vfs/io_uring/test.sql b/benchmarks/vfs/io_uring/test.sql new file mode 100644 index 0000000..3507b1b --- /dev/null +++ b/benchmarks/vfs/io_uring/test.sql @@ -0,0 +1,16 @@ +.mode box +.header on + +.load target/debug/lib_iouringvfs + +SELECT io_uring_vfs_from_file('from.db'); + +ATTACH io_uring_vfs_from_file('from.db') AS inring; + +CREATE TABLE t3(x, y); + +INSERT INTO t3 VALUES('a', 4), + ('b', 5), + ('c', 3), + ('d', 8), + ('e', 1); From 7151ef794144f5e2a19af65c476dca4ebf78bd0b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 3 Oct 2023 16:30:48 +0200 Subject: [PATCH 065/142] fixed 4/5 tests --- benchmarks/vfs/io_uring/src/ops.rs | 46 ++++++++++++++--------- benchmarks/vfs/io_uring/tests/test_ops.rs | 2 +- 2 files changed, 29 insertions(+), 19 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 59aa109..c6a9eef 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -15,9 +15,6 @@ use sqlite_loadable::vfs::default::DefaultVfs; use io_uring::{register, opcode, types, IoUring}; use std::io; -// https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 -const FALLOC_FL_KEEP_SIZE: i32 = 1; - const USER_DATA_OPEN: u64 = 0x1; const USER_DATA_READ: u64 = 0x2; const USER_DATA_STATX: u64 = 0x3; @@ -28,7 +25,8 @@ const USER_DATA_CLOSE: u64 = 0x6; pub struct Ops { ring: IoUring, file_path: CString, - file_fd: Option + file_fd: Option, + file: Option, } impl Ops { @@ -41,14 +39,26 @@ impl Ops { ring, file_path, file_fd: None, + file: None, } } + pub fn open_file2(&mut self) -> Result<()> { + let path = self.file_path.to_str(); + let mut file = File::open(path.unwrap()) + .map_err(|_| Error::new_message("Can't open file"))?; + self.file_fd = Some(file.as_raw_fd()); + self.file = Some(file); + Ok(()) + } + + // TODO figure out why Read fails with OpenAt2, answer: the flags pub fn open_file(&mut self) -> Result<()> { let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike - let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; + // let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; + let flags = libc::O_CREAT as u64 | libc::O_RDWR as u64; let openhow = types::OpenHow::new().flags(flags).mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); @@ -76,8 +86,8 @@ impl Ops { self.file_fd = Some(result.try_into().unwrap()); - self.ring.submitter().register_files(&[result]) - .map_err(|_| Error::new_message("failed to register file"))?; + // self.ring.submitter().register_files(&[result]) + // .map_err(|_| Error::new_message("failed to register file"))?; Ok(()) } @@ -88,8 +98,8 @@ impl Ops { size: u32, buf_out: *mut c_void, ) -> Result<()> { - let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); - // let fd = types::Fd(self.file_fd.unwrap()); + // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Read::new(fd, buf_out as *mut _, size) .offset(offset); self.ring @@ -111,8 +121,8 @@ impl Ops { offset: u64, size: u32, ) -> Result<()> { - let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); - // let fd = types::Fd(self.file_fd.unwrap()); + // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Write::new(fd, buf_in as *const _, size) .offset(offset); self.ring @@ -129,12 +139,11 @@ impl Ops { } pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { - let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) - .mode(FALLOC_FL_KEEP_SIZE); - - // let mut op = opcode::Fallocate::new(types::Fd(self.file_fd.unwrap()), size.try_into().unwrap()) - // .mode(FALLOC_FL_KEEP_SIZE); + // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 + .mode(libc::FALLOC_FL_KEEP_SIZE); self.ring .submission() @@ -167,7 +176,8 @@ impl Ops { } pub unsafe fn o_close(&mut self) -> Result<()> { - let mut op = opcode::Close::new(types::Fixed(self.file_fd.unwrap().try_into().unwrap())); + let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let mut op = opcode::Close::new(fd); self.ring .submission() @@ -185,7 +195,7 @@ impl Ops { Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } - let _ = self.ring.submitter().unregister_files(); + // let _ = self.ring.submitter().unregister_files(); Ok(()) } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 6fba595..9f5cf21 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -114,7 +114,7 @@ mod tests { } #[test] - fn test_truncate() { + fn test_truncate_then_compare_file_size() { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); From 6dc11547820236bbe9755db1072a58512f12ef8b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 3 Oct 2023 17:01:20 +0200 Subject: [PATCH 066/142] reverted o_trunc to initial implementation with ftruncate with some clean up --- benchmarks/vfs/io_uring/src/ops.rs | 54 ++++++++++-------------------- 1 file changed, 18 insertions(+), 36 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index c6a9eef..80c5ae7 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -26,32 +26,21 @@ pub struct Ops { ring: IoUring, file_path: CString, file_fd: Option, - file: Option, } impl Ops { pub fn new(file_path: CString, ring_size: u32) -> Self { // Tested on kernels 5.15.49, 6.3.13 - // let mut ring = IoUring::new(ring_size).unwrap(); - let mut ring = IoUring::builder().setup_sqpoll(500).build(ring_size).unwrap(); + let mut ring = IoUring::new(ring_size).unwrap(); + // let mut ring = IoUring::builder().setup_sqpoll(500).build(ring_size).unwrap(); Ops { ring, file_path, file_fd: None, - file: None, } } - pub fn open_file2(&mut self) -> Result<()> { - let path = self.file_path.to_str(); - let mut file = File::open(path.unwrap()) - .map_err(|_| Error::new_message("Can't open file"))?; - self.file_fd = Some(file.as_raw_fd()); - self.file = Some(file); - Ok(()) - } - // TODO figure out why Read fails with OpenAt2, answer: the flags pub fn open_file(&mut self) -> Result<()> { let dirfd = types::Fd(libc::AT_FDCWD); @@ -86,8 +75,9 @@ impl Ops { self.file_fd = Some(result.try_into().unwrap()); - // self.ring.submitter().register_files(&[result]) - // .map_err(|_| Error::new_message("failed to register file"))?; + // TODO determine necessity + self.ring.submitter().register_files(&[result]) + .map_err(|_| Error::new_message("failed to register file"))?; Ok(()) } @@ -138,10 +128,12 @@ impl Ops { Ok(()) } - pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + // TODO find io_uring op, this doesn't work + pub unsafe fn o_truncate2(&mut self, size: i64) -> Result<()> { // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) + .offset(0) // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 .mode(libc::FALLOC_FL_KEEP_SIZE); @@ -163,6 +155,14 @@ impl Ops { Ok(()) } + pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + let result = libc::ftruncate(self.file_fd.unwrap(), size); + if result == -1 { + Err(Error::new_message(format!("raw os error result: {}", result)))?; + } + Ok(()) + } + // SQLite Documentation: // Implement this function to read data from the file at the specified offset and store it in `buf_out`. // You can use the same pattern as in `read_file`. @@ -195,7 +195,8 @@ impl Ops { Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } - // let _ = self.ring.submitter().unregister_files(); + // TODO determine necessity + let _ = self.ring.submitter().unregister_files(); Ok(()) } @@ -225,22 +226,3 @@ impl Ops { } } - -/* -// All fail for some reason -#[cfg(test)] -mod tests { - use io_uring::{register, opcode}; - - #[test] - fn test_supported_ops() { - let mut probe = register::Probe::new(); - assert!(probe.is_supported(opcode::OpenAt2::CODE)); - assert!(probe.is_supported(opcode::Read::CODE)); - assert!(probe.is_supported(opcode::Write::CODE)); - assert!(probe.is_supported(opcode::Fallocate::CODE)); - assert!(probe.is_supported(opcode::Close::CODE)); - assert!(probe.is_supported(opcode::Statx::CODE)); - } -} -*/ \ No newline at end of file From e140b5a9ecc7a3932690c0e82b53e16c61476be0 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 3 Oct 2023 18:05:29 +0200 Subject: [PATCH 067/142] setup test to debug munmap_chunk, illegal free issue --- benchmarks/vfs/io_uring/Cargo.lock | 1 + benchmarks/vfs/io_uring/Cargo.toml | 1 + benchmarks/vfs/io_uring/src/lib.rs | 5 ++++- benchmarks/vfs/io_uring/tests/test_vfs.rs | 27 +++++++++++++++++++++++ 4 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 benchmarks/vfs/io_uring/tests/test_vfs.rs diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index a20bf93..d4e6cf4 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -666,6 +666,7 @@ version = "0.1.0" dependencies = [ "io-uring", "libc", + "libsqlite3-sys", "mmap-rs", "rusqlite", "sqlite-loadable", diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index 2a0b14c..05725ac 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -13,6 +13,7 @@ libc = "0.2.148" [dev-dependencies] rusqlite = "0.29.0" +libsqlite3-sys = {version="0.26.0", default-features = false} tempfile = "3.8.0" [lib] diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index bb9d4dd..d54af15 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -26,6 +26,9 @@ use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c +// TODO generate tests based on the following article for default vfs, mem vfs and io uring vfs +// TODO this article https://voidstar.tech/sqlite_insert_speed + const EXTENSION_NAME: &str = "iouring"; struct IoUringVfs { @@ -201,7 +204,7 @@ impl SqliteIoMethods for Ops { } } -/// Usage: "ATTACH iouring_vfs_from_file('test.db') AS inring;" +/// Usage: "ATTACH io_uring_vfs_from_file('test.db') AS inring;" fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs new file mode 100644 index 0000000..1b05fbd --- /dev/null +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -0,0 +1,27 @@ +#[cfg(test)] +mod tests { + use _iouringvfs::sqlite3_iouringvfs_init; + use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + + #[test] + fn test_rusqlite_auto_extension() { + unsafe { + sqlite3_auto_extension(Some(std::mem::transmute( + sqlite3_iouringvfs_init as *const (), + ))); + } + + let conn = Connection::open_in_memory().unwrap(); + + let _ = conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ()); + + let _ = conn.execute("CREATE TABLE t3(x, y)", ()); + let _ = conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); + + let result: String = conn + .query_row("select x from t3 where y = 4", (), |x| x.get(0)) + .unwrap(); + + assert_eq!(result, "a"); + } +} \ No newline at end of file From 4679462fb5de00da5fbedd4ffa28a57ac5fc3e20 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 4 Oct 2023 22:27:04 +0200 Subject: [PATCH 068/142] implemented io_uring, all memory issues resolved --- benchmarks/vfs/io_uring/src/lib.rs | 91 +-------- benchmarks/vfs/io_uring/src/ops.rs | 91 ++++++++- examples/mem_vfs.rs | 1 - src/vfs/file.rs | 315 +++++++++++++++++++++++------ tests/test_mem_vfs.rs | 1 - 5 files changed, 341 insertions(+), 158 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index d54af15..df0146a 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,12 +1,10 @@ #![allow(unused)] pub mod ops; - use ops::Ops; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; -use sqlite_loadable::vfs::file::FilePolymorph; use sqlite_loadable::vfs::vfs::create_vfs; use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; @@ -19,10 +17,7 @@ use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; -use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, - SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c @@ -37,11 +32,12 @@ struct IoUringVfs { } impl SqliteVfs for IoUringVfs { - fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { - let file_path = unsafe { CString::from_raw(z_name.cast_mut()) }; + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { + + let file_path = unsafe { CStr::from_ptr(z_name) }; - let mut file = Ops::new(file_path.clone(), 32); + let mut file = Ops::new(file_path.to_owned(), 32); file.open_file().map_err(|_| Error::new_message("can't open file"))?; @@ -125,85 +121,6 @@ impl SqliteVfs for IoUringVfs { } } -impl SqliteIoMethods for Ops { - fn close(&mut self) -> Result<()> { - unsafe { self.o_close() } - } - - fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { - unsafe { self.o_read(ofst as u64, s as u32, buf) } - } - - fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { - unsafe { self.o_write(buf, ofst as u64, s as u32) } - } - - fn truncate(&mut self, size: i64) -> Result<()> { - unsafe { self.o_truncate(size) } - } - - fn sync(&mut self, flags: i32) -> Result<()> { - Ok(()) - } - - fn file_size(&mut self, p_size: *mut i64) -> Result<()> { - unsafe { self.o_file_size(p_size as *mut u64) } - } - - fn lock(&mut self, arg2: i32) -> Result<()> { - Ok(()) - } - - fn unlock(&mut self, arg2: i32) -> Result<()> { - Ok(()) - } - - fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { - unsafe{ *p_res_out = 0; } - Ok(()) - } - - fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { - Ok(()) - } - - fn sector_size(&mut self) -> i32 { - 1024 - } - - fn device_characteristics(&mut self) -> i32 { - SQLITE_IOCAP_ATOMIC | - SQLITE_IOCAP_POWERSAFE_OVERWRITE | - SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL - } - - fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) - } - - fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { - // SQLITE_IOERR_SHMLOCK is deprecated? - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) - } - - fn shm_barrier(&mut self) -> Result<()> { - Ok(()) - } - - fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { - Ok(()) - } - - fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { - unsafe { self.o_fetch(ofst as u64, size as u32, pp) } - } - - fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { - Ok(()) - } -} - /// Usage: "ATTACH io_uring_vfs_from_file('test.db') AS inring;" fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 80c5ae7..4e82313 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -4,7 +4,11 @@ use std::os::raw::c_void; use std::fs::File; use std::os::unix::io::{FromRawFd,AsRawFd}; -use sqlite_loadable::{Result, Error, ErrorKind}; +use sqlite_loadable::{Result, Error, ErrorKind, SqliteIoMethods}; +use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; + // IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html @@ -76,8 +80,8 @@ impl Ops { self.file_fd = Some(result.try_into().unwrap()); // TODO determine necessity - self.ring.submitter().register_files(&[result]) - .map_err(|_| Error::new_message("failed to register file"))?; + // self.ring.submitter().register_files(&[result]) + // .map_err(|_| Error::new_message("failed to register file"))?; Ok(()) } @@ -196,7 +200,7 @@ impl Ops { } // TODO determine necessity - let _ = self.ring.submitter().unregister_files(); + // let _ = self.ring.submitter().unregister_files(); Ok(()) } @@ -226,3 +230,82 @@ impl Ops { } } + +impl SqliteIoMethods for Ops { + fn close(&mut self) -> Result<()> { + unsafe { self.o_close() } + } + + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + unsafe { self.o_read(ofst as u64, s as u32, buf) } + } + + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + unsafe { self.o_write(buf, ofst as u64, s as u32) } + } + + fn truncate(&mut self, size: i64) -> Result<()> { + unsafe { self.o_truncate(size) } + } + + fn sync(&mut self, flags: i32) -> Result<()> { + Ok(()) + } + + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { + unsafe { self.o_file_size(p_size as *mut u64) } + } + + fn lock(&mut self, arg2: i32) -> Result<()> { + Ok(()) + } + + fn unlock(&mut self, arg2: i32) -> Result<()> { + Ok(()) + } + + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { + unsafe{ *p_res_out = 0; } + Ok(()) + } + + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { + Ok(()) + } + + fn sector_size(&mut self) -> i32 { + 1024 + } + + fn device_characteristics(&mut self) -> i32 { + SQLITE_IOCAP_ATOMIC | + SQLITE_IOCAP_POWERSAFE_OVERWRITE | + SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_SEQUENTIAL + } + + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) + } + + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { + // SQLITE_IOERR_SHMLOCK is deprecated? + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) + } + + fn shm_barrier(&mut self) -> Result<()> { + Ok(()) + } + + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { + Ok(()) + } + + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + unsafe { self.o_fetch(ofst as u64, size as u32, pp) } + } + + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + Ok(()) + } +} \ No newline at end of file diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index de612f0..dbe54f9 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -2,7 +2,6 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; -use sqlite_loadable::vfs::file::FilePolymorph; use sqlite_loadable::vfs::vfs::create_vfs; use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 4cf6eb3..a7cda37 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -8,10 +8,15 @@ use crate::{vfs::traits::SqliteIoMethods}; use crate::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; -/// Let Boxes go out of scope, thus drop +/// Let aux and methods Boxes go out of scope, thus drop, +/// valgrind flags a false positive(?) on x_open +/// sqlite3 clean up the file itself unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).close(); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.close(); + Box::into_raw(f); handle_error(result) } @@ -21,9 +26,13 @@ unsafe extern "C" fn x_read( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).read(buf, iAmt, iOfst); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.read(buf, iAmt, iOfst); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -34,9 +43,13 @@ unsafe extern "C" fn x_write( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).write(buf, iAmt, iOfst); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.write(buf, iAmt, iOfst); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -45,9 +58,13 @@ unsafe extern "C" fn x_truncate( arg1: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).truncate(size); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.truncate(size); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -56,9 +73,13 @@ unsafe extern "C" fn x_sync( arg1: *mut sqlite3_file, flags: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).sync(flags); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.sync(flags); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -67,9 +88,13 @@ unsafe extern "C" fn x_file_size( arg1: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).file_size(pSize); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.file_size(pSize); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -77,9 +102,13 @@ unsafe extern "C" fn x_lock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).lock(arg2); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.lock(arg2); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -87,9 +116,13 @@ unsafe extern "C" fn x_unlock( arg1: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).unlock(arg2); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.unlock(arg2); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -97,9 +130,13 @@ unsafe extern "C" fn x_check_reserved_lock( arg1: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).check_reserved_lock(pResOut); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.check_reserved_lock(pResOut); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -108,24 +145,36 @@ unsafe extern "C" fn x_file_control( op: c_int, pArg: *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).file_control(op, pArg); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.file_control(op, pArg); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).sector_size(); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.sector_size(); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); result } unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).device_characteristics(); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.device_characteristics(); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); result } @@ -136,9 +185,13 @@ unsafe extern "C" fn x_shm_map( arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).shm_map(iPg, pgsz, arg2, arg3); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.shm_map(iPg, pgsz, arg2, arg3); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -148,26 +201,41 @@ unsafe extern "C" fn x_shm_lock( n: c_int, flags: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).shm_lock(offset, n, flags); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + let result = aux.shm_lock(offset, n, flags); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { - let mut b = Box::>::from_raw(arg1.cast::>()); - (b.rust_methods_ptr).shm_barrier(); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + + aux.shm_barrier(); + + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); } unsafe extern "C" fn x_shm_unmap( arg1: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).shm_unmap(deleteFlag); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + + let result = aux.shm_unmap(deleteFlag); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -177,9 +245,14 @@ unsafe extern "C" fn x_fetch( iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).fetch(iOfst, iAmt, pp); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + + let result = aux.fetch(iOfst, iAmt, pp); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } @@ -188,21 +261,24 @@ unsafe extern "C" fn x_unfetch( iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut b = Box::>::from_raw(arg1.cast::>()); - let result = (b.rust_methods_ptr).unfetch(iOfst, p); - Box::into_raw(b); + let mut f = Box::>::from_raw(arg1.cast::>()); + let mut m = Box::>::from_raw(f.0.cast_mut()); + let mut aux = Box::::from_raw(m.aux.cast()); + + let result = aux.unfetch(iOfst, p); + Box::into_raw(f); + Box::into_raw(m); + Box::into_raw(aux); handle_error(result) } // C struct polymorphism, given the alignment and field sequence are the same #[repr(C)] -pub struct FilePolymorph { - pub methods_ptr: *const sqlite3_io_methods, - pub rust_methods_ptr: T, -} +pub(crate) struct FileWithAux (*const MethodsWithAux); + -unsafe fn create_io_methods() -> sqlite3_io_methods { - sqlite3_io_methods { +unsafe fn create_io_methods(aux: T) -> MethodsWithAux { + MethodsWithAux { iVersion: 3, // this library targets version 3? xClose: Some(x_close::), xRead: Some(x_read::), @@ -222,21 +298,130 @@ unsafe fn create_io_methods() -> sqlite3_io_methods { xShmUnmap: Some(x_shm_unmap::), xFetch: Some(x_fetch::), xUnfetch: Some(x_unfetch::), + aux: Box::into_raw(Box::new(aux)) } } pub fn create_file_pointer(actual_methods: T) -> *mut sqlite3_file { unsafe { - let methods = create_io_methods::(); + let methods = create_io_methods::(actual_methods); let methods_ptr = Box::into_raw(Box::new(methods)); - let p = FilePolymorph:: { - methods_ptr, - rust_methods_ptr: actual_methods, - }; + let p = FileWithAux::(methods_ptr); let p = Box::into_raw(Box::new(p)); p.cast() } +} + +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub(crate) struct MethodsWithAux { + pub iVersion: ::std::os::raw::c_int, + pub xClose: ::std::option::Option< + unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, + >, + pub xRead: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + arg2: *mut ::std::os::raw::c_void, + iAmt: ::std::os::raw::c_int, + iOfst: sqlite3_int64, + ) -> ::std::os::raw::c_int, + >, + pub xWrite: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + arg2: *const ::std::os::raw::c_void, + iAmt: ::std::os::raw::c_int, + iOfst: sqlite3_int64, + ) -> ::std::os::raw::c_int, + >, + pub xTruncate: ::std::option::Option< + unsafe extern "C" fn(arg1: *mut sqlite3_file, size: sqlite3_int64) -> ::std::os::raw::c_int, + >, + pub xSync: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + flags: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int, + >, + pub xFileSize: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + pSize: *mut sqlite3_int64, + ) -> ::std::os::raw::c_int, + >, + pub xLock: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + arg2: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int, + >, + pub xUnlock: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + arg2: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int, + >, + pub xCheckReservedLock: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + pResOut: *mut ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int, + >, + pub xFileControl: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + op: ::std::os::raw::c_int, + pArg: *mut ::std::os::raw::c_void, + ) -> ::std::os::raw::c_int, + >, + pub xSectorSize: ::std::option::Option< + unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, + >, + pub xDeviceCharacteristics: ::std::option::Option< + unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, + >, + pub xShmMap: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + iPg: ::std::os::raw::c_int, + pgsz: ::std::os::raw::c_int, + arg2: ::std::os::raw::c_int, + arg3: *mut *mut ::std::os::raw::c_void, + ) -> ::std::os::raw::c_int, + >, + pub xShmLock: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + offset: ::std::os::raw::c_int, + n: ::std::os::raw::c_int, + flags: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int, + >, + pub xShmBarrier: ::std::option::Option, + pub xShmUnmap: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + deleteFlag: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int, + >, + pub xFetch: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + iAmt: ::std::os::raw::c_int, + pp: *mut *mut ::std::os::raw::c_void, + ) -> ::std::os::raw::c_int, + >, + pub xUnfetch: ::std::option::Option< + unsafe extern "C" fn( + arg1: *mut sqlite3_file, + iOfst: sqlite3_int64, + p: *mut ::std::os::raw::c_void, + ) -> ::std::os::raw::c_int, + >, + pub aux: *mut T, } \ No newline at end of file diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index b0821fa..2443614 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -2,7 +2,6 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::default::DefaultVfs; -use sqlite_loadable::vfs::file::FilePolymorph; use sqlite_loadable::vfs::vfs::create_vfs; use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; From c0d436c154dd39251d3197f80f455bb1d613b17e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 03:08:41 +0200 Subject: [PATCH 069/142] add tests in examples for hyperfine --- benchmarks/vfs/io_uring/Cargo.lock | 54 +++++++++++++++++++++ benchmarks/vfs/io_uring/Cargo.toml | 1 + benchmarks/vfs/io_uring/examples/conn.in | 42 ++++++++++++++++ benchmarks/vfs/io_uring/examples/test_1.rs | 22 +++++++++ benchmarks/vfs/io_uring/examples/test_10.rs | 29 +++++++++++ benchmarks/vfs/io_uring/examples/test_11.rs | 29 +++++++++++ benchmarks/vfs/io_uring/examples/test_12.rs | 30 ++++++++++++ benchmarks/vfs/io_uring/examples/test_13.rs | 30 ++++++++++++ benchmarks/vfs/io_uring/examples/test_14.rs | 27 +++++++++++ benchmarks/vfs/io_uring/examples/test_15.rs | 33 +++++++++++++ benchmarks/vfs/io_uring/examples/test_16.rs | 26 ++++++++++ benchmarks/vfs/io_uring/examples/test_2.rs | 27 +++++++++++ benchmarks/vfs/io_uring/examples/test_3.rs | 27 +++++++++++ benchmarks/vfs/io_uring/examples/test_4.rs | 33 +++++++++++++ benchmarks/vfs/io_uring/examples/test_5.rs | 31 ++++++++++++ benchmarks/vfs/io_uring/examples/test_6.rs | 26 ++++++++++ benchmarks/vfs/io_uring/examples/test_7.rs | 29 +++++++++++ benchmarks/vfs/io_uring/examples/test_8.rs | 32 ++++++++++++ benchmarks/vfs/io_uring/examples/test_9.rs | 31 ++++++++++++ 19 files changed, 559 insertions(+) create mode 100644 benchmarks/vfs/io_uring/examples/conn.in create mode 100644 benchmarks/vfs/io_uring/examples/test_1.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_10.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_11.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_12.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_13.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_14.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_15.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_16.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_2.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_3.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_4.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_5.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_6.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_7.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_8.rs create mode 100644 benchmarks/vfs/io_uring/examples/test_9.rs diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index d4e6cf4..2ef5094 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -240,6 +240,17 @@ dependencies = [ "percent-encoding", ] +[[package]] +name = "getrandom" +version = "0.2.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427" +dependencies = [ + "cfg-if", + "libc", + "wasi", +] + [[package]] name = "glob" version = "0.3.1" @@ -493,6 +504,12 @@ version = "0.3.27" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964" +[[package]] +name = "ppv-lite86" +version = "0.2.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de" + [[package]] name = "proc-macro2" version = "1.0.66" @@ -511,6 +528,36 @@ dependencies = [ "proc-macro2", ] +[[package]] +name = "rand" +version = "0.8.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404" +dependencies = [ + "libc", + "rand_chacha", + "rand_core", +] + +[[package]] +name = "rand_chacha" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.6.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c" +dependencies = [ + "getrandom", +] + [[package]] name = "redox_syscall" version = "0.3.5" @@ -668,6 +715,7 @@ dependencies = [ "libc", "libsqlite3-sys", "mmap-rs", + "rand", "rusqlite", "sqlite-loadable", "sqlite3ext-sys", @@ -842,6 +890,12 @@ dependencies = [ "winapi-util", ] +[[package]] +name = "wasi" +version = "0.11.0+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423" + [[package]] name = "which" version = "4.4.2" diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index 05725ac..4df4e51 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -15,6 +15,7 @@ libc = "0.2.148" rusqlite = "0.29.0" libsqlite3-sys = {version="0.26.0", default-features = false} tempfile = "3.8.0" +rand = "0.8.5" [lib] name = "_iouringvfs" diff --git a/benchmarks/vfs/io_uring/examples/conn.in b/benchmarks/vfs/io_uring/examples/conn.in new file mode 100644 index 0000000..41bc27f --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/conn.in @@ -0,0 +1,42 @@ +use _iouringvfs::sqlite3_iouringvfs_init; +use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + +/// Tests were derived from: https://www.sqlite.org/speed.html +fn create_test_database(b: bool) -> Connection { + unsafe { + sqlite3_auto_extension(Some(std::mem::transmute( + sqlite3_iouringvfs_init as *const (), + ))); + } + + let conn = Connection::open_in_memory().expect("Failed to create in-memory database"); + + if b { + let _ = conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ()); + } + + let _ = conn.execute("CREATE TABLE t1(a integer, b varchar(10))", ()); + + let _ = conn.execute("CREATE TABLE t2(a integer, b integer, c varchar(10))", ()); + + let _ = conn.execute("CREATE TABLE t3(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE INDEX i3 ON t3(c)", ()); + + let _ = conn.execute("CREATE TABLE t4(a integer, b integer, c varchar(10))", ()); + + let _ = conn.execute("CREATE TABLE t5(a integer, b integer, c varchar(10))", ()); + + let _ = conn.execute("CREATE TABLE t6(a integer, b integer)", ()); + + let _ = conn.execute("CREATE TABLE t7(a integer, b integer)", ()); + let _ = conn.execute("CREATE INDEX i7 ON t7(b)", ()); + + let _ = conn.execute("CREATE TABLE t8(a integer, b integer)", ()); + + let _ = conn.execute("CREATE TABLE t9(a integer, b integer)", ()); + + let _ = conn.execute("CREATE TABLE t10(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE INDEX i10 ON t10(a)", ()); + + conn +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/examples/test_1.rs b/benchmarks/vfs/io_uring/examples/test_1.rs new file mode 100644 index 0000000..39374ee --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_1.rs @@ -0,0 +1,22 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let conn = create_test_database(args.len() > 0); + let rng = rand::thread_rng(); + + for _ in 0..1000 { + let value1: i32 = thread_rng().gen_range(0..1000); + let value2: String = format!("Value{}", thread_rng().gen_range(0..1000)); + + conn.execute("INSERT INTO t1 (a, b) VALUES (?, ?)", + (value1, value2)) + .expect("Failed to insert data"); + } + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs new file mode 100644 index 0000000..3f18f52 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -0,0 +1,29 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + for i in 0..25000 { + let r: i32 = rng.gen(); + let _ = tx2.execute("UPDATE t10 SET c=?1 WHERE a = ?2", (r, i + 1)); + } + tx2.commit()?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_11.rs b/benchmarks/vfs/io_uring/examples/test_11.rs new file mode 100644 index 0000000..b646b28 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_11.rs @@ -0,0 +1,29 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + tx2.execute("INSERT INTO t4 SELECT b,a,c FROM t5",())?; + tx2.execute("INSERT INTO t5 SELECT b,a,c FROM t4",())?; + tx2.commit()?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_12.rs b/benchmarks/vfs/io_uring/examples/test_12.rs new file mode 100644 index 0000000..7d5340a --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_12.rs @@ -0,0 +1,30 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction().expect("Failed to start tx"); + + for _ in 0..25000 { + let value1: i32 = rng.gen(); // Generate a random i32 value + let value2: i32 = rng.gen(); // Generate a random i32 value + let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); + + tx.execute("INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3)) + .expect("Failed to insert data"); + } + + tx.commit().expect("Failed to commit transaction"); + + conn.execute("DELETE FROM t2 WHERE c LIKE '%50%'", ())?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs new file mode 100644 index 0000000..4c2bd58 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -0,0 +1,30 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction().expect("Failed to start tx"); + + for _ in 0..25000 { + let value1: i32 = rng.gen(); // Generate a random i32 value + let value2: i32 = rng.gen(); // Generate a random i32 value + let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); + + tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3)) + .expect("Failed to insert data"); + } + + tx.commit().expect("Failed to commit transaction"); + + conn.execute("DELETE FROM t10 WHERE a>10 AND a <20000", ())?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_14.rs b/benchmarks/vfs/io_uring/examples/test_14.rs new file mode 100644 index 0000000..b9fd77c --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_14.rs @@ -0,0 +1,27 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + } + tx.commit()?; + + conn.execute("DELETE FROM t4 WHERE a % 2 = 0",())?; + conn.execute("INSERT INTO t4 SELECT * FROM t5;",())?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_15.rs b/benchmarks/vfs/io_uring/examples/test_15.rs new file mode 100644 index 0000000..4751b91 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_15.rs @@ -0,0 +1,33 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + tx2.execute("DELETE FROM t4",())?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx2.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + } + + tx2.commit()?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_16.rs b/benchmarks/vfs/io_uring/examples/test_16.rs new file mode 100644 index 0000000..49bdfa9 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_16.rs @@ -0,0 +1,26 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()))?; + } + tx.commit()?; + + conn.execute("DELETE FROM t4",())?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs new file mode 100644 index 0000000..6106237 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -0,0 +1,27 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction().expect("Failed to start tx"); + + for _ in 0..25000 { + let value1: i32 = rng.gen(); // Generate a random i32 value + let value2: i32 = rng.gen(); // Generate a random i32 value + let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + + tx.execute("INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3)) + .expect("Failed to insert data"); + } + + tx.commit().expect("Failed to commit transaction"); + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_3.rs b/benchmarks/vfs/io_uring/examples/test_3.rs new file mode 100644 index 0000000..460a3b1 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_3.rs @@ -0,0 +1,27 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction().expect("Failed to start tx"); + + for _ in 0..25000 { + let value1: i32 = rng.gen(); // Generate a random i32 value + let value2: i32 = rng.gen(); // Generate a random i32 value + let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + + tx.execute("INSERT INTO t3 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3)) + .expect("Failed to insert data"); + } + + tx.commit().expect("Failed to commit transaction"); + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs new file mode 100644 index 0000000..59d019d --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -0,0 +1,33 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); + let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + + tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + for i in 0..100 { + let lower_bound = i * 100; + let upper_bound = (i + 1) * 1000; + + let _ = tx2.execute("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2", (lower_bound, upper_bound)); + } + tx2.commit()?; + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs new file mode 100644 index 0000000..99334fa --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -0,0 +1,31 @@ +use std::env; +use rand::Rng; +use rand::thread_rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); + let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + + tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + for i in 0..9 { + let stmt = format!("SELECT count(*), avg(b) FROM t5 WHERE c LIKE '%{}%'", i).to_string(); + let _ = tx2.execute(&stmt, ()); + } + tx2.commit()?; + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs new file mode 100644 index 0000000..c145b3a --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -0,0 +1,26 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..500000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); + + tx.execute("INSERT INTO t6 (a, b) VALUES (?, ?)", + (value1, value2))?; + } + tx.commit()?; + + conn.execute("CREATE INDEX i6a ON t6(a)", ())?; + conn.execute("CREATE INDEX i6b ON t6(b)", ())?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs new file mode 100644 index 0000000..925e4db --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -0,0 +1,29 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..500000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); + + tx.execute("INSERT INTO t7 (a, b) VALUES (?, ?)", + (value1, value2))?; + } + tx.commit()?; + + for i in 0..5000 { + let lower_bound = i * 100; + let upper_bound = (i + 1) + 100; + + conn.execute("SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2", (lower_bound, upper_bound))?; + } + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_8.rs b/benchmarks/vfs/io_uring/examples/test_8.rs new file mode 100644 index 0000000..997edd6 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_8.rs @@ -0,0 +1,32 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..10000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); + + tx.execute("INSERT INTO t8 (a, b) VALUES (?, ?)", + (value1, value2))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + for i in 0..1000 { + let lower_bound = i * 10; + let upper_bound = (i + 1) + 10; + + let _ = tx2.execute("UPDATE t8 SET b=b*2 WHERE a >= ?1 AND a < ?2", (lower_bound, upper_bound)); + } + tx2.commit()?; + + Ok(()) +} diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs new file mode 100644 index 0000000..c95a128 --- /dev/null +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -0,0 +1,31 @@ +use std::env; +use rand::Rng; + +include!("conn.in"); + +fn main() -> rusqlite::Result<()> { + let args: Vec = env::args().collect(); + + let mut conn = create_test_database(args.len() > 0); + let mut rng = rand::thread_rng(); + + let tx = conn.transaction()?; + for _ in 0..25000 { + let value: i32 = rng.gen(); + + tx.execute("INSERT INTO t9 (a, b) VALUES (?, ?)", + (value, value))?; + } + tx.commit()?; + + let tx2 = conn.transaction()?; + for i in 0..25000 { + let r: i32 = rng.gen(); + let upper_bound = i + 1; + + let _ = tx2.execute("UPDATE t9 SET b=?1 WHERE a = ?2", (r, upper_bound)); + } + tx2.commit()?; + + Ok(()) +} From 66e1e3cdf4f1306c4ffea929f3a8be7d2cbb9771 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 03:53:23 +0200 Subject: [PATCH 070/142] add script for hyperfine --- benchmarks/vfs/io_uring/examples/conn.in | 20 ++++++++++++++----- benchmarks/vfs/io_uring/examples/test_1.rs | 3 +-- benchmarks/vfs/io_uring/examples/test_10.rs | 2 +- benchmarks/vfs/io_uring/examples/test_11.rs | 2 +- benchmarks/vfs/io_uring/examples/test_12.rs | 2 +- benchmarks/vfs/io_uring/examples/test_13.rs | 2 +- benchmarks/vfs/io_uring/examples/test_14.rs | 2 +- benchmarks/vfs/io_uring/examples/test_15.rs | 2 +- benchmarks/vfs/io_uring/examples/test_16.rs | 2 +- benchmarks/vfs/io_uring/examples/test_2.rs | 2 +- benchmarks/vfs/io_uring/examples/test_3.rs | 2 +- benchmarks/vfs/io_uring/examples/test_4.rs | 2 +- benchmarks/vfs/io_uring/examples/test_5.rs | 2 +- benchmarks/vfs/io_uring/examples/test_6.rs | 2 +- benchmarks/vfs/io_uring/examples/test_7.rs | 2 +- benchmarks/vfs/io_uring/examples/test_8.rs | 4 ++-- benchmarks/vfs/io_uring/examples/test_9.rs | 2 +- benchmarks/vfs/io_uring/run-hyperfine.sh | 22 +++++++++++++++++++++ 18 files changed, 54 insertions(+), 23 deletions(-) create mode 100644 benchmarks/vfs/io_uring/run-hyperfine.sh diff --git a/benchmarks/vfs/io_uring/examples/conn.in b/benchmarks/vfs/io_uring/examples/conn.in index 41bc27f..25fc540 100644 --- a/benchmarks/vfs/io_uring/examples/conn.in +++ b/benchmarks/vfs/io_uring/examples/conn.in @@ -2,18 +2,28 @@ use _iouringvfs::sqlite3_iouringvfs_init; use rusqlite::{ffi::sqlite3_auto_extension, Connection}; /// Tests were derived from: https://www.sqlite.org/speed.html -fn create_test_database(b: bool) -> Connection { +fn create_test_database(args: Vec) -> Connection { + assert!(args.len() <= 2); + unsafe { sqlite3_auto_extension(Some(std::mem::transmute( sqlite3_iouringvfs_init as *const (), ))); } - let conn = Connection::open_in_memory().expect("Failed to create in-memory database"); + let conn = if args.len() == 2 { + let file_path = args[1].as_str(); + let conn = Connection::open(file_path).expect("Failed to create in-file database"); + if args[0].contains("ring") { + let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); + let stmt_str = stmt.as_str(); + let _ = conn.execute(stmt_str, ()); + } + conn + }else { + Connection::open_in_memory().expect("Failed to create in-memory database") + }; - if b { - let _ = conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ()); - } let _ = conn.execute("CREATE TABLE t1(a integer, b varchar(10))", ()); diff --git a/benchmarks/vfs/io_uring/examples/test_1.rs b/benchmarks/vfs/io_uring/examples/test_1.rs index 39374ee..b2f3b8c 100644 --- a/benchmarks/vfs/io_uring/examples/test_1.rs +++ b/benchmarks/vfs/io_uring/examples/test_1.rs @@ -7,8 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let conn = create_test_database(args.len() > 0); - let rng = rand::thread_rng(); + let conn = create_test_database(args); for _ in 0..1000 { let value1: i32 = thread_rng().gen_range(0..1000); diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs index 3f18f52..fce7102 100644 --- a/benchmarks/vfs/io_uring/examples/test_10.rs +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_11.rs b/benchmarks/vfs/io_uring/examples/test_11.rs index b646b28..fce7e3b 100644 --- a/benchmarks/vfs/io_uring/examples/test_11.rs +++ b/benchmarks/vfs/io_uring/examples/test_11.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_12.rs b/benchmarks/vfs/io_uring/examples/test_12.rs index 7d5340a..7d4fc8a 100644 --- a/benchmarks/vfs/io_uring/examples/test_12.rs +++ b/benchmarks/vfs/io_uring/examples/test_12.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction().expect("Failed to start tx"); diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs index 4c2bd58..35f7567 100644 --- a/benchmarks/vfs/io_uring/examples/test_13.rs +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction().expect("Failed to start tx"); diff --git a/benchmarks/vfs/io_uring/examples/test_14.rs b/benchmarks/vfs/io_uring/examples/test_14.rs index b9fd77c..2ceb644 100644 --- a/benchmarks/vfs/io_uring/examples/test_14.rs +++ b/benchmarks/vfs/io_uring/examples/test_14.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_15.rs b/benchmarks/vfs/io_uring/examples/test_15.rs index 4751b91..51372e5 100644 --- a/benchmarks/vfs/io_uring/examples/test_15.rs +++ b/benchmarks/vfs/io_uring/examples/test_15.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_16.rs b/benchmarks/vfs/io_uring/examples/test_16.rs index 49bdfa9..78b4486 100644 --- a/benchmarks/vfs/io_uring/examples/test_16.rs +++ b/benchmarks/vfs/io_uring/examples/test_16.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs index 6106237..f673a42 100644 --- a/benchmarks/vfs/io_uring/examples/test_2.rs +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction().expect("Failed to start tx"); diff --git a/benchmarks/vfs/io_uring/examples/test_3.rs b/benchmarks/vfs/io_uring/examples/test_3.rs index 460a3b1..2593dd4 100644 --- a/benchmarks/vfs/io_uring/examples/test_3.rs +++ b/benchmarks/vfs/io_uring/examples/test_3.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction().expect("Failed to start tx"); diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 59d019d..2a9f3ff 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index 99334fa..56e726c 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs index c145b3a..85c8758 100644 --- a/benchmarks/vfs/io_uring/examples/test_6.rs +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs index 925e4db..49dd370 100644 --- a/benchmarks/vfs/io_uring/examples/test_7.rs +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_8.rs b/benchmarks/vfs/io_uring/examples/test_8.rs index 997edd6..78c1ac9 100644 --- a/benchmarks/vfs/io_uring/examples/test_8.rs +++ b/benchmarks/vfs/io_uring/examples/test_8.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; @@ -27,6 +27,6 @@ fn main() -> rusqlite::Result<()> { let _ = tx2.execute("UPDATE t8 SET b=b*2 WHERE a >= ?1 AND a < ?2", (lower_bound, upper_bound)); } tx2.commit()?; - + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs index c95a128..1757cfb 100644 --- a/benchmarks/vfs/io_uring/examples/test_9.rs +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args.len() > 0); + let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh new file mode 100644 index 0000000..9ef5f7a --- /dev/null +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -0,0 +1,22 @@ +#!/bin/sh + +which hyperfine || cargo install --locked hyperfine +cargo build --examples + +# mem_vfs io_uring_vfs file_db_vfs +hyperfine --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15.ring.db" +hyperfine --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16.ring.db" \ No newline at end of file From 81f2ebd7d8167839095fdef5f4fc3028d010636f Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 03:55:05 +0200 Subject: [PATCH 071/142] ignore hyperfine generated files --- benchmarks/vfs/io_uring/.gitignore | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 benchmarks/vfs/io_uring/.gitignore diff --git a/benchmarks/vfs/io_uring/.gitignore b/benchmarks/vfs/io_uring/.gitignore new file mode 100644 index 0000000..12497cd --- /dev/null +++ b/benchmarks/vfs/io_uring/.gitignore @@ -0,0 +1,2 @@ +*.db +*-journal From e98e5bdd267c1543d7e5b4a2d8d153647e6f6e8e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 04:10:59 +0200 Subject: [PATCH 072/142] increase varchar range --- benchmarks/vfs/io_uring/examples/conn.in | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/benchmarks/vfs/io_uring/examples/conn.in b/benchmarks/vfs/io_uring/examples/conn.in index 25fc540..98a467b 100644 --- a/benchmarks/vfs/io_uring/examples/conn.in +++ b/benchmarks/vfs/io_uring/examples/conn.in @@ -25,16 +25,16 @@ fn create_test_database(args: Vec) -> Connection { }; - let _ = conn.execute("CREATE TABLE t1(a integer, b varchar(10))", ()); + let _ = conn.execute("CREATE TABLE t1(a integer, b varchar(100))", ()); - let _ = conn.execute("CREATE TABLE t2(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE TABLE t2(a integer, b integer, c varchar(100))", ()); - let _ = conn.execute("CREATE TABLE t3(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE TABLE t3(a integer, b integer, c varchar(100))", ()); let _ = conn.execute("CREATE INDEX i3 ON t3(c)", ()); - let _ = conn.execute("CREATE TABLE t4(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE TABLE t4(a integer, b integer, c varchar(100))", ()); - let _ = conn.execute("CREATE TABLE t5(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE TABLE t5(a integer, b integer, c varchar(100))", ()); let _ = conn.execute("CREATE TABLE t6(a integer, b integer)", ()); @@ -45,7 +45,7 @@ fn create_test_database(args: Vec) -> Connection { let _ = conn.execute("CREATE TABLE t9(a integer, b integer)", ()); - let _ = conn.execute("CREATE TABLE t10(a integer, b integer, c varchar(10))", ()); + let _ = conn.execute("CREATE TABLE t10(a integer, b integer, c varchar(100))", ()); let _ = conn.execute("CREATE INDEX i10 ON t10(a)", ()); conn From fa809224547bc3de3d00eb9b058513a870c30237 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 04:51:14 +0200 Subject: [PATCH 073/142] clean up and documentation --- README.md | 4 +++- benchmarks/vfs/io_uring/Dockerfile | 2 +- benchmarks/vfs/io_uring/LICENSE | 21 --------------------- benchmarks/vfs/io_uring/README.md | 24 +++++++++++++++++++++--- benchmarks/vfs/io_uring/run-docker.sh | 8 ++++++++ benchmarks/vfs/io_uring/src/lib.rs | 23 +++-------------------- benchmarks/vfs/io_uring/src/ops.rs | 10 +--------- run-docker.sh | 2 +- test.sql | 16 ---------------- 9 files changed, 38 insertions(+), 72 deletions(-) delete mode 100644 benchmarks/vfs/io_uring/LICENSE create mode 100644 benchmarks/vfs/io_uring/run-docker.sh delete mode 100644 test.sql diff --git a/README.md b/README.md index 65cfb65..96ffa2c 100644 --- a/README.md +++ b/README.md @@ -134,7 +134,9 @@ Some real-world non-Rust examples of traditional virtual tables in SQLite includ ### Virtual file system -It's in the works, stay tuned. TODO documentation +There are two examples of how to apply this library to create your own vfs. +1. [io_uring_vfs](./benchmarks/vfs/io_uring/) +2. [mem_vfs](./examples/mem_vfs.rs) ## Examples diff --git a/benchmarks/vfs/io_uring/Dockerfile b/benchmarks/vfs/io_uring/Dockerfile index 1bf8b22..d1b9405 100644 --- a/benchmarks/vfs/io_uring/Dockerfile +++ b/benchmarks/vfs/io_uring/Dockerfile @@ -17,7 +17,7 @@ ENV RUST_VERSION=stable RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=$RUST_VERSION # Install cargo-valgrind -RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind" +RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind && cargo install --locked hyperfine" # Check sqlite compile options: RUN echo "PRAGMA compile_options;" | sqlite3 diff --git a/benchmarks/vfs/io_uring/LICENSE b/benchmarks/vfs/io_uring/LICENSE deleted file mode 100644 index 4934435..0000000 --- a/benchmarks/vfs/io_uring/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2023 Jasm Sison - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 2b4e884..f19f5d6 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -1,10 +1,28 @@ # sqlite3_vfs_io_uring_rs -PoC: sqlite3 vfs extension support for io_uring +PoC: sqlite3 vfs extension support for IO Uring -## Determine your kernel supports io_uring +Warning: IO Uring is only supported on linux, where this is turned on. +IO Uring has been turned off on many distros due to certain security issues. + +This project was tested on Docker and VirtualBox. + +## Benchmark speeds with hyperfine + +### How +Run this script in a shell +```bash +sh run-hyperfine.sh +``` + +### Conclusion +Running on memory runs the fastest in all tests. +As expected running on IO Uring holds the 2nd place, +file ops via system calls comes in last, in most tests. + +## Determine whether your kernel supports IO Uring Linux command-line: -1. uname -r # expect 5 and above +1. uname -a # expect 5 and above 2. grep io_uring_setup /proc/kallsyms # expect 2 lines 3. gcc test_io_uring.c -o test_io_uring && ./test_io_uring diff --git a/benchmarks/vfs/io_uring/run-docker.sh b/benchmarks/vfs/io_uring/run-docker.sh new file mode 100644 index 0000000..9b80c37 --- /dev/null +++ b/benchmarks/vfs/io_uring/run-docker.sh @@ -0,0 +1,8 @@ +#!/bin/sh +NAME="io_uring:1.0" +docker image inspect "$NAME" || docker build -t "$NAME" . +docker run -it -v $PWD:/tmp -w /tmp $NAME + +# see https://github.com/jfrimmel/cargo-valgrind/pull/58/commits/1c168f296e0b3daa50279c642dd37aecbd85c5ff#L59 +# scan for double frees and leaks +# VALGRINDFLAGS="--leak-check=yes --trace-children=yes" cargo valgrind test diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index df0146a..92c23c3 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -21,8 +21,9 @@ use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c -// TODO generate tests based on the following article for default vfs, mem vfs and io uring vfs -// TODO this article https://voidstar.tech/sqlite_insert_speed +// Based on the following article for default vfs, mem vfs and io uring vfs +// source: https://voidstar.tech/sqlite_insert_speed +// source: https://www.sqlite.org/speed.html const EXTENSION_NAME: &str = "iouring"; @@ -156,26 +157,8 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { Ok(()) } -// TODO single parameter: n for workers = files, CPU-bounded? -// TODO parameter: one worker per db = vfs -// TODO Mutex lock on path -// TODO write a unit test for each operation that either vfs or file has to support -// put them in tests/, each op must be non-copy -// TODO write unit test that also benchmarks, use rusql and -// pre-generate random values, from non-io_uring to io_uring, and vice versa -// single process vs concurrent interleaving -// CRUD -// aggregates functions etc. - -// table to table, 0 = no io uring, 1 = io uring supported -// 0 on 0 -// 1 on 0 -// 0 on 1 -// 1 on 1 - -// TODO compare standard file vfs, mem vfs, io_uring+mmap vfs, mmap vfs diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 4e82313..b748e6a 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -36,7 +36,6 @@ impl Ops { pub fn new(file_path: CString, ring_size: u32) -> Self { // Tested on kernels 5.15.49, 6.3.13 let mut ring = IoUring::new(ring_size).unwrap(); - // let mut ring = IoUring::builder().setup_sqpoll(500).build(ring_size).unwrap(); Ops { ring, @@ -45,7 +44,7 @@ impl Ops { } } - // TODO figure out why Read fails with OpenAt2, answer: the flags + // TODO add O_DIRECT and O_SYNC parameters for systems that actually support it pub fn open_file(&mut self) -> Result<()> { let dirfd = types::Fd(libc::AT_FDCWD); @@ -79,10 +78,6 @@ impl Ops { self.file_fd = Some(result.try_into().unwrap()); - // TODO determine necessity - // self.ring.submitter().register_files(&[result]) - // .map_err(|_| Error::new_message("failed to register file"))?; - Ok(()) } @@ -199,9 +194,6 @@ impl Ops { Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; } - // TODO determine necessity - // let _ = self.ring.submitter().unregister_files(); - Ok(()) } diff --git a/run-docker.sh b/run-docker.sh index 9b80c37..f377ceb 100644 --- a/run-docker.sh +++ b/run-docker.sh @@ -1,5 +1,5 @@ #!/bin/sh -NAME="io_uring:1.0" +NAME="sqlite-loadable-rs:1.0" docker image inspect "$NAME" || docker build -t "$NAME" . docker run -it -v $PWD:/tmp -w /tmp $NAME diff --git a/test.sql b/test.sql deleted file mode 100644 index 5bb7ebc..0000000 --- a/test.sql +++ /dev/null @@ -1,16 +0,0 @@ -.mode box -.header on - -.load target/debug/examples/libmem_vfs - -select memvfs_from_file('from.db'); - -ATTACH memvfs_from_file('from.db') AS inmem; - -CREATE TABLE t3(x, y); - -INSERT INTO t3 VALUES('a', 4), - ('b', 5), - ('c', 3), - ('d', 8), - ('e', 1); From 53cc6f77a714ced45506c41767d83f73a77cc67d Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 14:12:20 +0200 Subject: [PATCH 074/142] found error in template, must redo tests --- benchmarks/vfs/io_uring/examples/conn.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/benchmarks/vfs/io_uring/examples/conn.in b/benchmarks/vfs/io_uring/examples/conn.in index 98a467b..9fbd856 100644 --- a/benchmarks/vfs/io_uring/examples/conn.in +++ b/benchmarks/vfs/io_uring/examples/conn.in @@ -14,7 +14,7 @@ fn create_test_database(args: Vec) -> Connection { let conn = if args.len() == 2 { let file_path = args[1].as_str(); let conn = Connection::open(file_path).expect("Failed to create in-file database"); - if args[0].contains("ring") { + if file_path.contains("ring") { let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); let stmt_str = stmt.as_str(); let _ = conn.execute(stmt_str, ()); From 2d5f93b64bf0e3e62f6ad9aab2929a232e90ceac Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 16:55:19 +0200 Subject: [PATCH 075/142] shorten run-time of tests --- benchmarks/vfs/io_uring/examples/test_1.rs | 8 ++++---- benchmarks/vfs/io_uring/examples/test_10.rs | 4 ++-- benchmarks/vfs/io_uring/examples/test_11.rs | 12 +++++++++--- benchmarks/vfs/io_uring/examples/test_12.rs | 13 ++++++------- benchmarks/vfs/io_uring/examples/test_13.rs | 6 +++--- benchmarks/vfs/io_uring/examples/test_14.rs | 2 +- benchmarks/vfs/io_uring/examples/test_15.rs | 4 ++-- benchmarks/vfs/io_uring/examples/test_16.rs | 2 +- benchmarks/vfs/io_uring/examples/test_2.rs | 11 +++++------ benchmarks/vfs/io_uring/examples/test_3.rs | 11 +++++------ benchmarks/vfs/io_uring/examples/test_4.rs | 3 ++- benchmarks/vfs/io_uring/examples/test_6.rs | 1 + benchmarks/vfs/io_uring/examples/test_9.rs | 4 ++-- 13 files changed, 43 insertions(+), 38 deletions(-) diff --git a/benchmarks/vfs/io_uring/examples/test_1.rs b/benchmarks/vfs/io_uring/examples/test_1.rs index b2f3b8c..e20f4c0 100644 --- a/benchmarks/vfs/io_uring/examples/test_1.rs +++ b/benchmarks/vfs/io_uring/examples/test_1.rs @@ -9,13 +9,13 @@ fn main() -> rusqlite::Result<()> { let conn = create_test_database(args); + let mut stmt = conn.prepare_cached("INSERT INTO t1 (a, b) VALUES (?, ?)")?; + for _ in 0..1000 { let value1: i32 = thread_rng().gen_range(0..1000); - let value2: String = format!("Value{}", thread_rng().gen_range(0..1000)); + let value2: String = format!("Value {}", thread_rng().gen_range(0..1000)); - conn.execute("INSERT INTO t1 (a, b) VALUES (?, ?)", - (value1, value2)) - .expect("Failed to insert data"); + stmt.execute((value1, value2))?; } Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs index fce7102..a3795e1 100644 --- a/benchmarks/vfs/io_uring/examples/test_10.rs +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..25000 { + for _ in 0..5000 { let value: i32 = rng.gen(); tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", @@ -19,7 +19,7 @@ fn main() -> rusqlite::Result<()> { tx.commit()?; let tx2 = conn.transaction()?; - for i in 0..25000 { + for i in 0..5000 { let r: i32 = rng.gen(); let _ = tx2.execute("UPDATE t10 SET c=?1 WHERE a = ?2", (r, i + 1)); } diff --git a/benchmarks/vfs/io_uring/examples/test_11.rs b/benchmarks/vfs/io_uring/examples/test_11.rs index fce7e3b..ddb8341 100644 --- a/benchmarks/vfs/io_uring/examples/test_11.rs +++ b/benchmarks/vfs/io_uring/examples/test_11.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..25000 { + for _ in 0..1000 { let value: i32 = rng.gen(); tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", @@ -21,9 +21,15 @@ fn main() -> rusqlite::Result<()> { tx.commit()?; let tx2 = conn.transaction()?; - tx2.execute("INSERT INTO t4 SELECT b,a,c FROM t5",())?; - tx2.execute("INSERT INTO t5 SELECT b,a,c FROM t4",())?; + tx2.execute("INSERT INTO t4 SELECT b,a,c FROM t5", ())?; + tx2.execute("INSERT INTO t5 SELECT b,a,c FROM t4", ())?; tx2.commit()?; + // prevent doubling insertions every run, >50gb file is no joke + let tx3 = conn.transaction()?; + tx3.execute("DELETE FROM t4", ())?; + tx3.execute("DELETE FROM t5", ())?; + tx3.commit()?; + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_12.rs b/benchmarks/vfs/io_uring/examples/test_12.rs index 7d4fc8a..80ac496 100644 --- a/benchmarks/vfs/io_uring/examples/test_12.rs +++ b/benchmarks/vfs/io_uring/examples/test_12.rs @@ -10,19 +10,18 @@ fn main() -> rusqlite::Result<()> { let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); - let tx = conn.transaction().expect("Failed to start tx"); + let tx = conn.transaction()?; - for _ in 0..25000 { - let value1: i32 = rng.gen(); // Generate a random i32 value - let value2: i32 = rng.gen(); // Generate a random i32 value + for _ in 0..5000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute("INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3)) - .expect("Failed to insert data"); + (value1, value2, value3))?; } - tx.commit().expect("Failed to commit transaction"); + tx.commit()?; conn.execute("DELETE FROM t2 WHERE c LIKE '%50%'", ())?; diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs index 35f7567..ff7e6c4 100644 --- a/benchmarks/vfs/io_uring/examples/test_13.rs +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -12,9 +12,9 @@ fn main() -> rusqlite::Result<()> { let tx = conn.transaction().expect("Failed to start tx"); - for _ in 0..25000 { - let value1: i32 = rng.gen(); // Generate a random i32 value - let value2: i32 = rng.gen(); // Generate a random i32 value + for _ in 0..5000 { + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", diff --git a/benchmarks/vfs/io_uring/examples/test_14.rs b/benchmarks/vfs/io_uring/examples/test_14.rs index 2ceb644..f61bb18 100644 --- a/benchmarks/vfs/io_uring/examples/test_14.rs +++ b/benchmarks/vfs/io_uring/examples/test_14.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..25000 { + for _ in 0..5000 { let value: i32 = rng.gen(); tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", diff --git a/benchmarks/vfs/io_uring/examples/test_15.rs b/benchmarks/vfs/io_uring/examples/test_15.rs index 51372e5..6f1df92 100644 --- a/benchmarks/vfs/io_uring/examples/test_15.rs +++ b/benchmarks/vfs/io_uring/examples/test_15.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..25000 { + for _ in 0..5000 { let value: i32 = rng.gen(); tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", @@ -20,7 +20,7 @@ fn main() -> rusqlite::Result<()> { let tx2 = conn.transaction()?; tx2.execute("DELETE FROM t4",())?; - for _ in 0..25000 { + for _ in 0..5000 { let value: i32 = rng.gen(); tx2.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", diff --git a/benchmarks/vfs/io_uring/examples/test_16.rs b/benchmarks/vfs/io_uring/examples/test_16.rs index 78b4486..8f53fc1 100644 --- a/benchmarks/vfs/io_uring/examples/test_16.rs +++ b/benchmarks/vfs/io_uring/examples/test_16.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..25000 { + for _ in 0..5000 { let value: i32 = rng.gen(); tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs index f673a42..990c7be 100644 --- a/benchmarks/vfs/io_uring/examples/test_2.rs +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -10,18 +10,17 @@ fn main() -> rusqlite::Result<()> { let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); - let tx = conn.transaction().expect("Failed to start tx"); + let tx = conn.transaction()?; for _ in 0..25000 { - let value1: i32 = rng.gen(); // Generate a random i32 value - let value2: i32 = rng.gen(); // Generate a random i32 value + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); tx.execute("INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3)) - .expect("Failed to insert data"); + (value1, value2, value3))?; } - tx.commit().expect("Failed to commit transaction"); + tx.commit()?; Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_3.rs b/benchmarks/vfs/io_uring/examples/test_3.rs index 2593dd4..86af7be 100644 --- a/benchmarks/vfs/io_uring/examples/test_3.rs +++ b/benchmarks/vfs/io_uring/examples/test_3.rs @@ -13,15 +13,14 @@ fn main() -> rusqlite::Result<()> { let tx = conn.transaction().expect("Failed to start tx"); for _ in 0..25000 { - let value1: i32 = rng.gen(); // Generate a random i32 value - let value2: i32 = rng.gen(); // Generate a random i32 value - let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + let value1: i32 = rng.gen(); + let value2: i32 = rng.gen(); + let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute("INSERT INTO t3 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3)) - .expect("Failed to insert data"); + (value1, value2, value3))?; } - tx.commit().expect("Failed to commit transaction"); + tx.commit()?; Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 2a9f3ff..5dd36b9 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -11,10 +11,11 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; + for _ in 0..25000 { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); - let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", (value1, value2, value3))?; diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs index 85c8758..c4cee89 100644 --- a/benchmarks/vfs/io_uring/examples/test_6.rs +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -19,6 +19,7 @@ fn main() -> rusqlite::Result<()> { } tx.commit()?; + // fails if file is already indexed, TODO fix conn.execute("CREATE INDEX i6a ON t6(a)", ())?; conn.execute("CREATE INDEX i6b ON t6(b)", ())?; diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs index 1757cfb..f73f6a3 100644 --- a/benchmarks/vfs/io_uring/examples/test_9.rs +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..25000 { + for _ in 0..5000 { let value: i32 = rng.gen(); tx.execute("INSERT INTO t9 (a, b) VALUES (?, ?)", @@ -19,7 +19,7 @@ fn main() -> rusqlite::Result<()> { tx.commit()?; let tx2 = conn.transaction()?; - for i in 0..25000 { + for i in 0..5000 { let r: i32 = rng.gen(); let upper_bound = i + 1; From 59c0313301e7f319146bc7a829b0fd6f2abd1225 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 16:59:41 +0200 Subject: [PATCH 076/142] more fixes to examples --- benchmarks/vfs/io_uring/examples/test_10.rs | 2 +- benchmarks/vfs/io_uring/examples/test_13.rs | 7 +++---- benchmarks/vfs/io_uring/examples/test_4.rs | 4 ++-- benchmarks/vfs/io_uring/examples/test_5.rs | 2 +- benchmarks/vfs/io_uring/examples/test_8.rs | 2 +- benchmarks/vfs/io_uring/examples/test_9.rs | 2 +- 6 files changed, 9 insertions(+), 10 deletions(-) diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs index a3795e1..f515382 100644 --- a/benchmarks/vfs/io_uring/examples/test_10.rs +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -21,7 +21,7 @@ fn main() -> rusqlite::Result<()> { let tx2 = conn.transaction()?; for i in 0..5000 { let r: i32 = rng.gen(); - let _ = tx2.execute("UPDATE t10 SET c=?1 WHERE a = ?2", (r, i + 1)); + tx2.execute("UPDATE t10 SET c=?1 WHERE a = ?2", (r, i + 1))?; } tx2.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs index ff7e6c4..01880d2 100644 --- a/benchmarks/vfs/io_uring/examples/test_13.rs +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut conn = create_test_database(args); let mut rng = rand::thread_rng(); - let tx = conn.transaction().expect("Failed to start tx"); + let tx = conn.transaction()?; for _ in 0..5000 { let value1: i32 = rng.gen(); @@ -18,11 +18,10 @@ fn main() -> rusqlite::Result<()> { let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3)) - .expect("Failed to insert data"); + (value1, value2, value3))?; } - tx.commit().expect("Failed to commit transaction"); + tx.commit()?; conn.execute("DELETE FROM t10 WHERE a>10 AND a <20000", ())?; diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 5dd36b9..82e404d 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -11,7 +11,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - + for _ in 0..25000 { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); @@ -27,7 +27,7 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 100; let upper_bound = (i + 1) * 1000; - let _ = tx2.execute("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2", (lower_bound, upper_bound)); + tx2.execute("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2", (lower_bound, upper_bound))?; } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index 56e726c..556d820 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -24,7 +24,7 @@ fn main() -> rusqlite::Result<()> { let tx2 = conn.transaction()?; for i in 0..9 { let stmt = format!("SELECT count(*), avg(b) FROM t5 WHERE c LIKE '%{}%'", i).to_string(); - let _ = tx2.execute(&stmt, ()); + tx2.execute(&stmt, ())?; } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_8.rs b/benchmarks/vfs/io_uring/examples/test_8.rs index 78c1ac9..dd75bdb 100644 --- a/benchmarks/vfs/io_uring/examples/test_8.rs +++ b/benchmarks/vfs/io_uring/examples/test_8.rs @@ -24,7 +24,7 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 10; let upper_bound = (i + 1) + 10; - let _ = tx2.execute("UPDATE t8 SET b=b*2 WHERE a >= ?1 AND a < ?2", (lower_bound, upper_bound)); + tx2.execute("UPDATE t8 SET b=b*2 WHERE a >= ?1 AND a < ?2", (lower_bound, upper_bound))?; } tx2.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs index f73f6a3..ea8f9d1 100644 --- a/benchmarks/vfs/io_uring/examples/test_9.rs +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -23,7 +23,7 @@ fn main() -> rusqlite::Result<()> { let r: i32 = rng.gen(); let upper_bound = i + 1; - let _ = tx2.execute("UPDATE t9 SET b=?1 WHERE a = ?2", (r, upper_bound)); + tx2.execute("UPDATE t9 SET b=?1 WHERE a = ?2", (r, upper_bound))?; } tx2.commit()?; From ff8769271bba6b3e20a813968f5192bd59f2a3ad Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 17:01:06 +0200 Subject: [PATCH 077/142] improve hyperfine script --- benchmarks/vfs/io_uring/run-hyperfine.sh | 36 +++++++++++++----------- 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh index 9ef5f7a..f398900 100644 --- a/benchmarks/vfs/io_uring/run-hyperfine.sh +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -4,19 +4,23 @@ which hyperfine || cargo install --locked hyperfine cargo build --examples # mem_vfs io_uring_vfs file_db_vfs -hyperfine --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15.ring.db" -hyperfine --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16.ring.db" \ No newline at end of file +hyperfine --show-output --warmup 1 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15.ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16.ring.db" + +# for i in {16,15,14,13,12,11,10,9}; do; \ +# echo "hyperfine --show-output --warmup 1 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i test_$i.db\" \"./target/debug/examples/test_$i test_$i.ring.db\""; \ +# done From e9988ddd7754f7de3df7b4feed9889ea07f20b07 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 17:06:02 +0200 Subject: [PATCH 078/142] remove databases before running tests --- benchmarks/vfs/io_uring/run-hyperfine.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh index f398900..24e1152 100644 --- a/benchmarks/vfs/io_uring/run-hyperfine.sh +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -1,5 +1,7 @@ #!/bin/sh +rm -f *db *journal + which hyperfine || cargo install --locked hyperfine cargo build --examples From dfc8bb5658a1ee250a0d51b4f5a6005595bf2d54 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 18:03:26 +0200 Subject: [PATCH 079/142] improve readme --- benchmarks/vfs/io_uring/README.md | 253 +++++++++++++++++++++++++++++- 1 file changed, 248 insertions(+), 5 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index f19f5d6..3af1914 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -4,20 +4,20 @@ PoC: sqlite3 vfs extension support for IO Uring Warning: IO Uring is only supported on linux, where this is turned on. IO Uring has been turned off on many distros due to certain security issues. -This project was tested on Docker and VirtualBox. +This project was tested on Docker and VirtualBox. Your mileage will vary. ## Benchmark speeds with hyperfine +### What +Tests were [derived from this archived sqlite document](https://www.sqlite.org/speed.html). + ### How Run this script in a shell ```bash sh run-hyperfine.sh ``` -### Conclusion -Running on memory runs the fastest in all tests. -As expected running on IO Uring holds the 2nd place, -file ops via system calls comes in last, in most tests. +16 tests are run, on in-mem, in-file and io-uring. ## Determine whether your kernel supports IO Uring @@ -47,3 +47,246 @@ int main(int argc, char **argv) { } ``` + +## Benchmark results (on Docker) + +Benchmark 1: ./target/debug/examples/test_1 + Time (mean ± σ): 4.5 ms ± 0.1 ms [User: 2.8 ms, System: 1.0 ms] + Range (min … max): 4.2 ms … 5.1 ms 580 runs + + Warning: Command took less than 5 ms to complete. Note that the results might be inaccurate because hyperfine can not calibrate the shell startup time much more precise than this limit. You can try to use the `-N`/`--shell=none` option to disable the shell completely. + Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. + +Benchmark 2: ./target/debug/examples/test_1 test_1.db + Time (mean ± σ): 1.350 s ± 0.036 s [User: 0.036 s, System: 0.291 s] + Range (min … max): 1.293 s … 1.417 s 10 runs + +Benchmark 3: ./target/debug/examples/test_1 test_1.ring.db + Time (mean ± σ): 1.391 s ± 0.050 s [User: 0.040 s, System: 0.297 s] + Range (min … max): 1.317 s … 1.450 s 10 runs + +Summary + ./target/debug/examples/test_1 ran + 303.22 ± 10.93 times faster than ./target/debug/examples/test_1 test_1.db + 312.34 ± 13.46 times faster than ./target/debug/examples/test_1 test_1.ring.db +Benchmark 1: ./target/debug/examples/test_2 + Time (mean ± σ): 97.9 ms ± 1.2 ms [User: 95.5 ms, System: 1.6 ms] + Range (min … max): 96.4 ms … 101.7 ms 30 runs + +Benchmark 2: ./target/debug/examples/test_2 test_2.db + Time (mean ± σ): 117.7 ms ± 2.4 ms [User: 98.9 ms, System: 5.0 ms] + Range (min … max): 114.0 ms … 122.7 ms 25 runs + +Benchmark 3: ./target/debug/examples/test_2 test_2.ring.db + Time (mean ± σ): 117.9 ms ± 1.9 ms [User: 99.0 ms, System: 4.7 ms] + Range (min … max): 114.5 ms … 123.0 ms 26 runs + +Summary + ./target/debug/examples/test_2 ran + 1.20 ± 0.03 times faster than ./target/debug/examples/test_2 test_2.db + 1.20 ± 0.02 times faster than ./target/debug/examples/test_2 test_2.ring.db +Benchmark 1: ./target/debug/examples/test_3 + Time (mean ± σ): 124.1 ms ± 1.1 ms [User: 121.7 ms, System: 1.7 ms] + Range (min … max): 122.5 ms … 126.5 ms 23 runs + +Benchmark 2: ./target/debug/examples/test_3 test_3.db + Time (mean ± σ): 1.625 s ± 0.931 s [User: 0.228 s, System: 0.271 s] + Range (min … max): 0.217 s … 2.762 s 13 runs + +Benchmark 3: ./target/debug/examples/test_3 test_3.ring.db + Time (mean ± σ): 1.708 s ± 0.940 s [User: 0.239 s, System: 0.281 s] + Range (min … max): 0.212 s … 2.825 s 14 runs + +Summary + ./target/debug/examples/test_3 ran + 13.10 ± 7.50 times faster than ./target/debug/examples/test_3 test_3.db + 13.77 ± 7.58 times faster than ./target/debug/examples/test_3 test_3.ring.db + +Benchmark 1: ./target/debug/examples/test_4 +Error: ExecuteReturnedResults +Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. +Benchmark 1: ./target/debug/examples/test_5 +Error: ExecuteReturnedResults +Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. +Benchmark 1: ./target/debug/examples/test_6 + Time (mean ± σ): 2.051 s ± 0.064 s [User: 2.017 s, System: 0.032 s] + Range (min … max): 2.024 s … 2.232 s 10 runs + + Warning: The first benchmarking run for this command was significantly slower than the rest (2.232 s). This could be caused by (filesystem) caches that were not filled until after the first run. You are already using the '--warmup' option which helps to fill these caches before the actual benchmark. You can either try to increase the warmup count further or re-run this benchmark on a quiet system in case it was a random outlier. Alternatively, consider using the '--prepare' option to clear the caches before each timing run. + +Benchmark 2: ./target/debug/examples/test_6 test_6.db +Error: SqliteFailure(Error { code: Unknown, extended_code: 1 }, Some("index i6a already exists")) +Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. +Benchmark 1: ./target/debug/examples/test_7 +Error: ExecuteReturnedResults +Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. +Benchmark 1: ./target/debug/examples/test_8 + Time (mean ± σ): 658.0 ms ± 9.7 ms [User: 655.9 ms, System: 1.2 ms] + Range (min … max): 640.1 ms … 668.8 ms 10 runs + +Benchmark 2: ./target/debug/examples/test_8 test_8.db + Time (mean ± σ): 4.276 s ± 2.014 s [User: 4.265 s, System: 0.004 s] + Range (min … max): 1.334 s … 7.348 s 10 runs + +Benchmark 3: ./target/debug/examples/test_8 test_8.ring.db + Time (mean ± σ): 4.226 s ± 1.972 s [User: 4.214 s, System: 0.004 s] + Range (min … max): 1.320 s … 7.283 s 10 runs + +Summary + ./target/debug/examples/test_8 ran + 6.42 ± 3.00 times faster than ./target/debug/examples/test_8 test_8.ring.db + 6.50 ± 3.06 times faster than ./target/debug/examples/test_8 test_8.db +Benchmark 1: ./target/debug/examples/test_9 + Time (mean ± σ): 1.391 s ± 0.020 s [User: 1.388 s, System: 0.002 s] + Range (min … max): 1.361 s … 1.425 s 10 runs + +Benchmark 2: ./target/debug/examples/test_9 test_9.db + Time (mean ± σ): 9.217 s ± 4.387 s [User: 9.207 s, System: 0.004 s] + Range (min … max): 2.814 s … 15.950 s 10 runs + +Benchmark 3: ./target/debug/examples/test_9 test_9.ring.db + Time (mean ± σ): 9.186 s ± 4.334 s [User: 9.176 s, System: 0.004 s] + Range (min … max): 2.781 s … 15.890 s 10 runs + +Summary + ./target/debug/examples/test_9 ran + 6.60 ± 3.12 times faster than ./target/debug/examples/test_9 test_9.ring.db + 6.62 ± 3.15 times faster than ./target/debug/examples/test_9 test_9.db +Benchmark 1: ./target/debug/examples/test_10 + Time (mean ± σ): 40.0 ms ± 0.3 ms [User: 38.4 ms, System: 1.1 ms] + Range (min … max): 39.6 ms … 41.2 ms 74 runs + +Benchmark 2: ./target/debug/examples/test_10 test_10.db + Time (mean ± σ): 297.4 ms ± 178.8 ms [User: 56.3 ms, System: 47.0 ms] + Range (min … max): 56.8 ms … 650.2 ms 52 runs + +Benchmark 3: ./target/debug/examples/test_10 test_10.ring.db + Time (mean ± σ): 314.6 ms ± 184.4 ms [User: 58.2 ms, System: 50.0 ms] + Range (min … max): 56.6 ms … 647.7 ms 52 runs + +Summary + ./target/debug/examples/test_10 ran + 7.43 ± 4.47 times faster than ./target/debug/examples/test_10 test_10.db + 7.86 ± 4.61 times faster than ./target/debug/examples/test_10 test_10.ring.db +Benchmark 1: ./target/debug/examples/test_11 + Time (mean ± σ): 9.2 ms ± 0.1 ms [User: 7.6 ms, System: 1.0 ms] + Range (min … max): 8.9 ms … 10.0 ms 312 runs + +Benchmark 2: ./target/debug/examples/test_11 test_11.db + Time (mean ± σ): 18.6 ms ± 1.5 ms [User: 8.5 ms, System: 2.7 ms] + Range (min … max): 15.3 ms … 22.4 ms 159 runs + + Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. + +Benchmark 3: ./target/debug/examples/test_11 test_11.ring.db + Time (mean ± σ): 20.0 ms ± 2.4 ms [User: 8.5 ms, System: 3.2 ms] + Range (min … max): 16.0 ms … 44.8 ms 133 runs + + Warning: The first benchmarking run for this command was significantly slower than the rest (22.2 ms). This could be caused by (filesystem) caches that were not filled until after the first run. You are already using the '--warmup' option which helps to fill these caches before the actual benchmark. You can either try to increase the warmup count further or re-run this benchmark on a quiet system in case it was a random outlier. Alternatively, consider using the '--prepare' option to clear the caches before each timing run. + +Summary + ./target/debug/examples/test_11 ran + 2.02 ± 0.16 times faster than ./target/debug/examples/test_11 test_11.db + 2.17 ± 0.26 times faster than ./target/debug/examples/test_11 test_11.ring.db +Benchmark 1: ./target/debug/examples/test_12 + Time (mean ± σ): 22.2 ms ± 0.9 ms [User: 20.5 ms, System: 1.1 ms] + Range (min … max): 21.8 ms … 29.9 ms 133 runs + + Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. + +Benchmark 2: ./target/debug/examples/test_12 test_12.db + Time (mean ± σ): 65.5 ms ± 14.7 ms [User: 42.8 ms, System: 7.5 ms] + Range (min … max): 35.2 ms … 90.1 ms 75 runs + +Benchmark 3: ./target/debug/examples/test_12 test_12.ring.db + Time (mean ± σ): 69.1 ms ± 16.8 ms [User: 45.9 ms, System: 7.3 ms] + Range (min … max): 35.1 ms … 96.4 ms 84 runs + +Summary + ./target/debug/examples/test_12 ran + 2.95 ± 0.67 times faster than ./target/debug/examples/test_12 test_12.db + 3.11 ± 0.77 times faster than ./target/debug/examples/test_12 test_12.ring.db +Benchmark 1: ./target/debug/examples/test_13 + Time (mean ± σ): 25.8 ms ± 0.2 ms [User: 24.1 ms, System: 1.1 ms] + Range (min … max): 25.5 ms … 26.5 ms 113 runs + +Benchmark 2: ./target/debug/examples/test_13 test_13.db + Time (mean ± σ): 408.7 ms ± 244.5 ms [User: 46.4 ms, System: 71.4 ms] + Range (min … max): 38.8 ms … 842.4 ms 76 runs + +Benchmark 3: ./target/debug/examples/test_13 test_13.ring.db + Time (mean ± σ): 428.4 ms ± 259.2 ms [User: 47.0 ms, System: 76.5 ms] + Range (min … max): 39.3 ms … 830.2 ms 75 runs + +Summary + ./target/debug/examples/test_13 ran + 15.83 ± 9.47 times faster than ./target/debug/examples/test_13 test_13.db + 16.60 ± 10.04 times faster than ./target/debug/examples/test_13 test_13.ring.db +Benchmark 1: ./target/debug/examples/test_14 + Time (mean ± σ): 34.1 ms ± 0.3 ms [User: 32.1 ms, System: 1.3 ms] + Range (min … max): 33.7 ms … 35.4 ms 87 runs + +Benchmark 2: ./target/debug/examples/test_14 test_14.db + Time (mean ± σ): 543.1 ms ± 301.7 ms [User: 130.4 ms, System: 92.1 ms] + Range (min … max): 81.9 ms … 1075.7 ms 36 runs + +Benchmark 3: ./target/debug/examples/test_14 test_14.ring.db + Time (mean ± σ): 536.7 ms ± 291.2 ms [User: 130.8 ms, System: 90.6 ms] + Range (min … max): 81.1 ms … 1056.0 ms 36 runs + +Summary + ./target/debug/examples/test_14 ran + 15.73 ± 8.53 times faster than ./target/debug/examples/test_14 test_14.ring.db + 15.91 ± 8.84 times faster than ./target/debug/examples/test_14 test_14.db + +Benchmark 1: ./target/debug/examples/test_15 + Time (mean ± σ): 34.1 ms ± 0.3 ms [User: 32.3 ms, System: 1.1 ms] + Range (min … max): 33.6 ms … 35.2 ms 86 runs + +Benchmark 2: ./target/debug/examples/test_15 test_15.db + Time (mean ± σ): 58.9 ms ± 3.1 ms [User: 35.1 ms, System: 5.3 ms] + Range (min … max): 56.7 ms … 79.9 ms 51 runs + + Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. + +Benchmark 3: ./target/debug/examples/test_15 test_15.ring.db + Time (mean ± σ): 59.1 ms ± 0.7 ms [User: 35.5 ms, System: 5.1 ms] + Range (min … max): 57.1 ms … 61.1 ms 48 runs + +Summary + ./target/debug/examples/test_15 ran + 1.73 ± 0.09 times faster than ./target/debug/examples/test_15 test_15.db + 1.73 ± 0.03 times faster than ./target/debug/examples/test_15 test_15.ring.db +Benchmark 1: ./target/debug/examples/test_16 + Time (mean ± σ): 32.9 ms ± 0.3 ms [User: 31.2 ms, System: 1.1 ms] + Range (min … max): 32.5 ms … 34.5 ms 89 runs + +Benchmark 2: ./target/debug/examples/test_16 test_16.db + Time (mean ± σ): 44.7 ms ± 3.1 ms [User: 33.5 ms, System: 3.0 ms] + Range (min … max): 40.1 ms … 53.8 ms 74 runs + +Benchmark 3: ./target/debug/examples/test_16 test_16.ring.db + Time (mean ± σ): 44.5 ms ± 2.0 ms [User: 33.0 ms, System: 3.1 ms] + Range (min … max): 39.6 ms … 47.2 ms 74 runs + +Summary + ./target/debug/examples/test_16 ran + 1.35 ± 0.06 times faster than ./target/debug/examples/test_16 test_16.ring.db + 1.36 ± 0.10 times faster than ./target/debug/examples/test_16 test_16.db + +## Conclusion + +It seems that with in-file coming in second on most of the tests, at least half, +it seems that adding io_uring, to rusqlite does not lead to major speed improvements. + +In-memory serves as the baseline. + +## TODO +- [] Use the vfs extension on a production sqlite3 binary + +## Research ideas +* IO Uring storage via paging on Vfs, or multiple file vs single file storage +* All insert optimization mentioned here: https://voidstar.tech/sqlite_insert_speed +* IO Uring and sqlite3 replication via sockets +* Vfs consensus via IO Uring managed sockets + Raft, e.g. rqlite +* Turn on libc::O_DIRECT as u64 | libc::O_SYNC as u64 on drives that support it \ No newline at end of file From 967f5c34819327551a7b4b09ae4d5e8a57352b80 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 18:37:59 +0200 Subject: [PATCH 080/142] improve README --- benchmarks/vfs/io_uring/README.md | 70 +++++++++++++++++++++---------- 1 file changed, 49 insertions(+), 21 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 3af1914..948b79d 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -11,13 +11,58 @@ This project was tested on Docker and VirtualBox. Your mileage will vary. ### What Tests were [derived from this archived sqlite document](https://www.sqlite.org/speed.html). +16 tests are run, on in-mem, in-file and io-uring, where in-memory serves as a baseline/control. + +Practially, what io-uring does is circumvent multiple os system-calls to CRUD a file, +whereas the traditional in-file way does it via system-calls. + ### How -Run this script in a shell +Run [this script](./run-hyperfine.sh) in a shell ```bash sh run-hyperfine.sh ``` -16 tests are run, on in-mem, in-file and io-uring. +If you don't have linux running on your machine (yet), use +[the docker script provided here](./run-docker.sh). + +### Results + +| Test | Desc | Winner | +| --- | --- | --- | +| 1 | 1000 INSERTs | in-file | +| 2 | 25000 INSERTs in a transaction | in-file | +| 3 | 25000 INSERTs into an indexed table | in-file | +| 4 | 100 SELECTs without an index | - | +| 5 | 100 SELECTs on a string comparison | - | +| 6 | Creating an index | - | +| 7 | 5000 SELECTs with an index | - | +| 8 | 1000 UPDATEs without an index | io-uring | +| 9 | 25000 UPDATEs with an index | io-uring | +| 10 | 25000 text UPDATEs with an index | in-file | +| 11 | INSERTs from a SELECT | in-file | +| 12 | DELETE without an index | in-file | +| 13 | DELETE with an index | in-file | +| 14 | A big INSERT after a big DELETE | io-uring | +| 15 | A big DELETE followed by many small INSERTs | in-file | +| 16 | DROP TABLE | io-uring | + +The number of executions were reduced due to life being too short. + +## Conclusion + +It seems that with in-file coming in second on most of the tests, +adding io_uring, to [rusqlite](https://github.com/rusqlite/rusqlite) does not lead to major speed improvements. + +## TODO +- [] Fix tests 4 through 7 +- [] Use the vfs extension on a production sqlite3 binary + +## Other research ideas +* IO Uring storage via paging on Vfs, or multiple file vs single file storage +* All insert optimization mentioned here: https://voidstar.tech/sqlite_insert_speed +* IO Uring and sqlite3 replication via sockets +* Vfs consensus via IO Uring managed sockets + Raft, e.g. rqlite +* Turn on libc::O_DIRECT as u64 | libc::O_SYNC as u64 on drives that support it ## Determine whether your kernel supports IO Uring @@ -48,7 +93,7 @@ int main(int argc, char **argv) { ``` -## Benchmark results (on Docker) +## Raw benchmark results (on Docker) Benchmark 1: ./target/debug/examples/test_1 Time (mean ± σ): 4.5 ms ± 0.1 ms [User: 2.8 ms, System: 1.0 ms] @@ -272,21 +317,4 @@ Benchmark 3: ./target/debug/examples/test_16 test_16.ring.db Summary ./target/debug/examples/test_16 ran 1.35 ± 0.06 times faster than ./target/debug/examples/test_16 test_16.ring.db - 1.36 ± 0.10 times faster than ./target/debug/examples/test_16 test_16.db - -## Conclusion - -It seems that with in-file coming in second on most of the tests, at least half, -it seems that adding io_uring, to rusqlite does not lead to major speed improvements. - -In-memory serves as the baseline. - -## TODO -- [] Use the vfs extension on a production sqlite3 binary - -## Research ideas -* IO Uring storage via paging on Vfs, or multiple file vs single file storage -* All insert optimization mentioned here: https://voidstar.tech/sqlite_insert_speed -* IO Uring and sqlite3 replication via sockets -* Vfs consensus via IO Uring managed sockets + Raft, e.g. rqlite -* Turn on libc::O_DIRECT as u64 | libc::O_SYNC as u64 on drives that support it \ No newline at end of file + 1.36 ± 0.10 times faster than ./target/debug/examples/test_16 test_16.db \ No newline at end of file From 1bbec48fcda492a744240e9861398ea23a4b8e54 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 5 Oct 2023 18:56:56 +0200 Subject: [PATCH 081/142] fix layout raw data --- benchmarks/vfs/io_uring/README.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 948b79d..ab8337d 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -94,7 +94,7 @@ int main(int argc, char **argv) { ``` ## Raw benchmark results (on Docker) - +``` Benchmark 1: ./target/debug/examples/test_1 Time (mean ± σ): 4.5 ms ± 0.1 ms [User: 2.8 ms, System: 1.0 ms] Range (min … max): 4.2 ms … 5.1 ms 580 runs @@ -317,4 +317,5 @@ Benchmark 3: ./target/debug/examples/test_16 test_16.ring.db Summary ./target/debug/examples/test_16 ran 1.35 ± 0.06 times faster than ./target/debug/examples/test_16 test_16.ring.db - 1.36 ± 0.10 times faster than ./target/debug/examples/test_16 test_16.db \ No newline at end of file + 1.36 ± 0.10 times faster than ./target/debug/examples/test_16 test_16.db +``` \ No newline at end of file From 6fde56dcb23975fb459d5c833a41d18e86b39a48 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 6 Oct 2023 02:24:51 +0200 Subject: [PATCH 082/142] prepare for WAL research, see if concurrent reads match with uring io --- benchmarks/vfs/io_uring/examples/conn.in | 47 +++++++++------------ benchmarks/vfs/io_uring/examples/test_1.rs | 2 +- benchmarks/vfs/io_uring/examples/test_10.rs | 2 +- benchmarks/vfs/io_uring/examples/test_11.rs | 2 +- benchmarks/vfs/io_uring/examples/test_12.rs | 2 +- benchmarks/vfs/io_uring/examples/test_13.rs | 2 +- benchmarks/vfs/io_uring/examples/test_14.rs | 2 +- benchmarks/vfs/io_uring/examples/test_15.rs | 2 +- benchmarks/vfs/io_uring/examples/test_16.rs | 2 +- benchmarks/vfs/io_uring/examples/test_2.rs | 2 +- benchmarks/vfs/io_uring/examples/test_3.rs | 2 +- benchmarks/vfs/io_uring/examples/test_4.rs | 2 +- benchmarks/vfs/io_uring/examples/test_5.rs | 2 +- benchmarks/vfs/io_uring/examples/test_6.rs | 2 +- benchmarks/vfs/io_uring/examples/test_7.rs | 2 +- benchmarks/vfs/io_uring/examples/test_8.rs | 2 +- benchmarks/vfs/io_uring/examples/test_9.rs | 2 +- 17 files changed, 37 insertions(+), 42 deletions(-) diff --git a/benchmarks/vfs/io_uring/examples/conn.in b/benchmarks/vfs/io_uring/examples/conn.in index 9fbd856..749ab81 100644 --- a/benchmarks/vfs/io_uring/examples/conn.in +++ b/benchmarks/vfs/io_uring/examples/conn.in @@ -2,7 +2,7 @@ use _iouringvfs::sqlite3_iouringvfs_init; use rusqlite::{ffi::sqlite3_auto_extension, Connection}; /// Tests were derived from: https://www.sqlite.org/speed.html -fn create_test_database(args: Vec) -> Connection { +fn create_test_database(args: Vec) -> rusqlite::Result { assert!(args.len() <= 2); unsafe { @@ -17,36 +17,31 @@ fn create_test_database(args: Vec) -> Connection { if file_path.contains("ring") { let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); let stmt_str = stmt.as_str(); - let _ = conn.execute(stmt_str, ()); + conn.execute(stmt_str, ()).expect("Failed to execute"); + } + if file_path.contains("wal") { + conn.pragma_update(None, "journal_mode", "wal")?; } conn }else { Connection::open_in_memory().expect("Failed to create in-memory database") }; - - let _ = conn.execute("CREATE TABLE t1(a integer, b varchar(100))", ()); - - let _ = conn.execute("CREATE TABLE t2(a integer, b integer, c varchar(100))", ()); - - let _ = conn.execute("CREATE TABLE t3(a integer, b integer, c varchar(100))", ()); - let _ = conn.execute("CREATE INDEX i3 ON t3(c)", ()); - - let _ = conn.execute("CREATE TABLE t4(a integer, b integer, c varchar(100))", ()); - - let _ = conn.execute("CREATE TABLE t5(a integer, b integer, c varchar(100))", ()); - - let _ = conn.execute("CREATE TABLE t6(a integer, b integer)", ()); - - let _ = conn.execute("CREATE TABLE t7(a integer, b integer)", ()); - let _ = conn.execute("CREATE INDEX i7 ON t7(b)", ()); - - let _ = conn.execute("CREATE TABLE t8(a integer, b integer)", ()); - - let _ = conn.execute("CREATE TABLE t9(a integer, b integer)", ()); - - let _ = conn.execute("CREATE TABLE t10(a integer, b integer, c varchar(100))", ()); - let _ = conn.execute("CREATE INDEX i10 ON t10(a)", ()); + conn.execute_batch( + "CREATE TABLE t1(a integer, b varchar(100)); + CREATE TABLE t2(a integer, b integer, c varchar(100)); + CREATE TABLE t3(a integer, b integer, c varchar(100)); + CREATE INDEX i3 ON t3(c); + CREATE TABLE t4(a integer, b integer, c varchar(100)); + CREATE TABLE t5(a integer, b integer, c varchar(100)); + CREATE TABLE t6(a integer, b integer); + CREATE TABLE t7(a integer, b integer); + CREATE INDEX i7 ON t7(b); + CREATE TABLE t8(a integer, b integer); + CREATE TABLE t9(a integer, b integer); + CREATE TABLE t10(a integer, b integer, c varchar(100)); + CREATE INDEX i10 ON t10(a);" + )?; - conn + Ok(conn) } \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/examples/test_1.rs b/benchmarks/vfs/io_uring/examples/test_1.rs index e20f4c0..30b171f 100644 --- a/benchmarks/vfs/io_uring/examples/test_1.rs +++ b/benchmarks/vfs/io_uring/examples/test_1.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let conn = create_test_database(args); + let conn = create_test_database(args)?; let mut stmt = conn.prepare_cached("INSERT INTO t1 (a, b) VALUES (?, ?)")?; diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs index f515382..0c3f004 100644 --- a/benchmarks/vfs/io_uring/examples/test_10.rs +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_11.rs b/benchmarks/vfs/io_uring/examples/test_11.rs index ddb8341..5eb12f7 100644 --- a/benchmarks/vfs/io_uring/examples/test_11.rs +++ b/benchmarks/vfs/io_uring/examples/test_11.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_12.rs b/benchmarks/vfs/io_uring/examples/test_12.rs index 80ac496..99241a7 100644 --- a/benchmarks/vfs/io_uring/examples/test_12.rs +++ b/benchmarks/vfs/io_uring/examples/test_12.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs index 01880d2..b94de9c 100644 --- a/benchmarks/vfs/io_uring/examples/test_13.rs +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_14.rs b/benchmarks/vfs/io_uring/examples/test_14.rs index f61bb18..3c4c066 100644 --- a/benchmarks/vfs/io_uring/examples/test_14.rs +++ b/benchmarks/vfs/io_uring/examples/test_14.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_15.rs b/benchmarks/vfs/io_uring/examples/test_15.rs index 6f1df92..d1578d2 100644 --- a/benchmarks/vfs/io_uring/examples/test_15.rs +++ b/benchmarks/vfs/io_uring/examples/test_15.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_16.rs b/benchmarks/vfs/io_uring/examples/test_16.rs index 8f53fc1..16dbea1 100644 --- a/benchmarks/vfs/io_uring/examples/test_16.rs +++ b/benchmarks/vfs/io_uring/examples/test_16.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs index 990c7be..5e0e72e 100644 --- a/benchmarks/vfs/io_uring/examples/test_2.rs +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_3.rs b/benchmarks/vfs/io_uring/examples/test_3.rs index 86af7be..14df090 100644 --- a/benchmarks/vfs/io_uring/examples/test_3.rs +++ b/benchmarks/vfs/io_uring/examples/test_3.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction().expect("Failed to start tx"); diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 82e404d..7dc7617 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index 556d820..fffd1fd 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -7,7 +7,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs index c4cee89..dd1102b 100644 --- a/benchmarks/vfs/io_uring/examples/test_6.rs +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs index 49dd370..3491146 100644 --- a/benchmarks/vfs/io_uring/examples/test_7.rs +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_8.rs b/benchmarks/vfs/io_uring/examples/test_8.rs index dd75bdb..dc5f37f 100644 --- a/benchmarks/vfs/io_uring/examples/test_8.rs +++ b/benchmarks/vfs/io_uring/examples/test_8.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs index ea8f9d1..ad64b76 100644 --- a/benchmarks/vfs/io_uring/examples/test_9.rs +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -6,7 +6,7 @@ include!("conn.in"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); - let mut conn = create_test_database(args); + let mut conn = create_test_database(args)?; let mut rng = rand::thread_rng(); let tx = conn.transaction()?; From b5fa749a1ea8c840d78a3ebb41c3558d542bf539 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Fri, 6 Oct 2023 02:33:45 +0200 Subject: [PATCH 083/142] prepare to debug errors --- benchmarks/vfs/io_uring/README.md | 5 +-- benchmarks/vfs/io_uring/run-hyperfine.sh | 39 ++++++++++---------- benchmarks/vfs/io_uring/tests/test_vfs.rs | 44 ++++++++++++++++++----- 3 files changed, 59 insertions(+), 29 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index ab8337d..526791d 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -54,8 +54,9 @@ It seems that with in-file coming in second on most of the tests, adding io_uring, to [rusqlite](https://github.com/rusqlite/rusqlite) does not lead to major speed improvements. ## TODO -- [] Fix tests 4 through 7 -- [] Use the vfs extension on a production sqlite3 binary +- [ ] Fix tests 4 through 7 +- [ ] Use the vfs extension on a production sqlite3 binary +- [x] [Use WAL](https://fly.io/blog/sqlite-internals-wal) (write ahead Log), e.g. PRAGMA journal_mode = wal ## Other research ideas * IO Uring storage via paging on Vfs, or multiple file vs single file storage diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh index 24e1152..35e0a30 100644 --- a/benchmarks/vfs/io_uring/run-hyperfine.sh +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -5,24 +5,25 @@ rm -f *db *journal which hyperfine || cargo install --locked hyperfine cargo build --examples -# mem_vfs io_uring_vfs file_db_vfs -hyperfine --show-output --warmup 1 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15.ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16.ring.db" +# mem_vfs io_uring_vfs file_db_vfs wal.ring wal +hyperfine --show-output --warmup 1 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1.ring.db" "./target/debug/examples/test_1 test_1.ring.wal.db" "./target/debug/examples/test_1 test_1.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2.ring.db" "./target/debug/examples/test_2 test_2.ring.wal.db" "./target/debug/examples/test_2 test_2.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3.ring.db" "./target/debug/examples/test_3 test_3.ring.wal.db" "./target/debug/examples/test_3 test_3.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4.ring.db" "./target/debug/examples/test_4 test_4.ring.wal.db" "./target/debug/examples/test_4 test_4.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5.ring.db" "./target/debug/examples/test_5 test_5.ring.wal.db" "./target/debug/examples/test_5 test_5.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6.ring.db" "./target/debug/examples/test_6 test_6.ring.wal.db" "./target/debug/examples/test_6 test_6.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7.ring.db" "./target/debug/examples/test_7 test_7.ring.wal.db" "./target/debug/examples/test_7 test_7.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8.ring.db" "./target/debug/examples/test_8 test_8.ring.wal.db" "./target/debug/examples/test_8 test_8.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9.ring.db" "./target/debug/examples/test_9 test_9.ring.wal.db" "./target/debug/examples/test_9 test_9.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10.ring.db" "./target/debug/examples/test_10 test_10.ring.wal.db" "./target/debug/examples/test_10 test_10.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11.ring.db" "./target/debug/examples/test_11 test_11.ring.wal.db" "./target/debug/examples/test_11 test_11.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12.ring.db" "./target/debug/examples/test_12 test_12.ring.wal.db" "./target/debug/examples/test_12 test_12.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13.ring.db" "./target/debug/examples/test_13 test_13.ring.wal.db" "./target/debug/examples/test_13 test_13.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14.ring.db" "./target/debug/examples/test_14 test_14.ring.wal.db" "./target/debug/examples/test_14 test_14.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15.ring.db" "./target/debug/examples/test_15 test_15.ring.wal.db" "./target/debug/examples/test_15 test_15.wal.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16.ring.db" "./target/debug/examples/test_16 test_16.ring.wal.db" "./target/debug/examples/test_16 test_16.wal.db" -# for i in {16,15,14,13,12,11,10,9}; do; \ -# echo "hyperfine --show-output --warmup 1 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i test_$i.db\" \"./target/debug/examples/test_$i test_$i.ring.db\""; \ +# for i in `seq 16`; do +# echo "hyperfine --show-output --warmup 1 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i test_$i.db\" \"./target/debug/examples/test_$i test_$i.ring.db\" \"./target/debug/examples/test_$i test_$i.ring.wal.db\" \"./target/debug/examples/test_$i test_$i.wal.db\""; \ # done + diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 1b05fbd..ecdced2 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -1,27 +1,55 @@ #[cfg(test)] mod tests { use _iouringvfs::sqlite3_iouringvfs_init; - use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + use rusqlite::{ffi::sqlite3_auto_extension, Connection, self}; #[test] - fn test_rusqlite_auto_extension() { + fn test_io_uring_ext() -> rusqlite::Result<()> { unsafe { sqlite3_auto_extension(Some(std::mem::transmute( sqlite3_iouringvfs_init as *const (), ))); } - let conn = Connection::open_in_memory().unwrap(); + let conn = Connection::open_in_memory()?; - let _ = conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ()); + conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ())?; - let _ = conn.execute("CREATE TABLE t3(x, y)", ()); - let _ = conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); + conn.execute("CREATE TABLE t3(x, y)", ())?; + conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ())?; let result: String = conn - .query_row("select x from t3 where y = 4", (), |x| x.get(0)) - .unwrap(); + .query_row("select x from t3 where y = 4", (), |x| x.get(0)) + .unwrap(); assert_eq!(result, "a"); + + Ok(()) + } + + #[test] + fn test_io_uring_ext_with_wal() -> rusqlite::Result<()> { + unsafe { + sqlite3_auto_extension(Some(std::mem::transmute( + sqlite3_iouringvfs_init as *const (), + ))); + } + + let conn = Connection::open_in_memory()?; + + conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ())?; + + conn.pragma_update(None, "journal_mode", "wal")?; + + conn.execute("CREATE TABLE t3(x, y)", ())?; + conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ())?; + + let result: String = conn + .query_row("select x from t3 where y = 1", (), |x| x.get(0)) + .unwrap(); + + assert_eq!(result, "e"); + + Ok(()) } } \ No newline at end of file From 9260b3e1ae80b951b12633575cb0c5483b0844a6 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 7 Oct 2023 03:06:55 +0200 Subject: [PATCH 084/142] * rearranged code with templates, .in = include, .rs for code hi-lite * fixed unit tests, rusql actually runs them --- benchmarks/vfs/io_uring/examples/test_1.rs | 2 +- benchmarks/vfs/io_uring/examples/test_10.rs | 2 +- benchmarks/vfs/io_uring/examples/test_11.rs | 2 +- benchmarks/vfs/io_uring/examples/test_12.rs | 2 +- benchmarks/vfs/io_uring/examples/test_13.rs | 2 +- benchmarks/vfs/io_uring/examples/test_14.rs | 2 +- benchmarks/vfs/io_uring/examples/test_15.rs | 2 +- benchmarks/vfs/io_uring/examples/test_16.rs | 2 +- benchmarks/vfs/io_uring/examples/test_2.rs | 2 +- benchmarks/vfs/io_uring/examples/test_3.rs | 2 +- benchmarks/vfs/io_uring/examples/test_4.rs | 2 +- benchmarks/vfs/io_uring/examples/test_5.rs | 2 +- benchmarks/vfs/io_uring/examples/test_6.rs | 2 +- benchmarks/vfs/io_uring/examples/test_7.rs | 2 +- benchmarks/vfs/io_uring/examples/test_8.rs | 2 +- benchmarks/vfs/io_uring/examples/test_9.rs | 2 +- .../{examples/conn.in => include/conn.in.rs} | 3 - benchmarks/vfs/io_uring/src/lib.rs | 22 +- benchmarks/vfs/io_uring/src/ops.rs | 38 ++- benchmarks/vfs/io_uring/test.sql | 16 - benchmarks/vfs/io_uring/tests/test_vfs.rs | 24 +- examples/mem_vfs.in.rs | 305 +++++++++++++++++ examples/mem_vfs.rs | 306 +---------------- src/vfs/default.rs | 86 ++--- src/vfs/file.rs | 2 +- src/vfs/traits.rs | 1 + tests/test_mem_vfs.rs | 313 +----------------- 27 files changed, 443 insertions(+), 705 deletions(-) rename benchmarks/vfs/io_uring/{examples/conn.in => include/conn.in.rs} (93%) delete mode 100644 benchmarks/vfs/io_uring/test.sql create mode 100644 examples/mem_vfs.in.rs diff --git a/benchmarks/vfs/io_uring/examples/test_1.rs b/benchmarks/vfs/io_uring/examples/test_1.rs index 30b171f..aaea3e7 100644 --- a/benchmarks/vfs/io_uring/examples/test_1.rs +++ b/benchmarks/vfs/io_uring/examples/test_1.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs index 0c3f004..3e352d7 100644 --- a/benchmarks/vfs/io_uring/examples/test_10.rs +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_11.rs b/benchmarks/vfs/io_uring/examples/test_11.rs index 5eb12f7..ebcaafd 100644 --- a/benchmarks/vfs/io_uring/examples/test_11.rs +++ b/benchmarks/vfs/io_uring/examples/test_11.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_12.rs b/benchmarks/vfs/io_uring/examples/test_12.rs index 99241a7..3d7e622 100644 --- a/benchmarks/vfs/io_uring/examples/test_12.rs +++ b/benchmarks/vfs/io_uring/examples/test_12.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs index b94de9c..4e0951c 100644 --- a/benchmarks/vfs/io_uring/examples/test_13.rs +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_14.rs b/benchmarks/vfs/io_uring/examples/test_14.rs index 3c4c066..1bca8c6 100644 --- a/benchmarks/vfs/io_uring/examples/test_14.rs +++ b/benchmarks/vfs/io_uring/examples/test_14.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_15.rs b/benchmarks/vfs/io_uring/examples/test_15.rs index d1578d2..e8db82b 100644 --- a/benchmarks/vfs/io_uring/examples/test_15.rs +++ b/benchmarks/vfs/io_uring/examples/test_15.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_16.rs b/benchmarks/vfs/io_uring/examples/test_16.rs index 16dbea1..5f7ae96 100644 --- a/benchmarks/vfs/io_uring/examples/test_16.rs +++ b/benchmarks/vfs/io_uring/examples/test_16.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs index 5e0e72e..8f0d13d 100644 --- a/benchmarks/vfs/io_uring/examples/test_2.rs +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_3.rs b/benchmarks/vfs/io_uring/examples/test_3.rs index 14df090..829ae45 100644 --- a/benchmarks/vfs/io_uring/examples/test_3.rs +++ b/benchmarks/vfs/io_uring/examples/test_3.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 7dc7617..335e490 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index fffd1fd..de2b58d 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -2,7 +2,7 @@ use std::env; use rand::Rng; use rand::thread_rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs index dd1102b..1a80248 100644 --- a/benchmarks/vfs/io_uring/examples/test_6.rs +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs index 3491146..406ad72 100644 --- a/benchmarks/vfs/io_uring/examples/test_7.rs +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_8.rs b/benchmarks/vfs/io_uring/examples/test_8.rs index dc5f37f..845aa09 100644 --- a/benchmarks/vfs/io_uring/examples/test_8.rs +++ b/benchmarks/vfs/io_uring/examples/test_8.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs index ad64b76..8389d32 100644 --- a/benchmarks/vfs/io_uring/examples/test_9.rs +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -1,7 +1,7 @@ use std::env; use rand::Rng; -include!("conn.in"); +include!("../include/conn.in.rs"); fn main() -> rusqlite::Result<()> { let args: Vec = env::args().collect(); diff --git a/benchmarks/vfs/io_uring/examples/conn.in b/benchmarks/vfs/io_uring/include/conn.in.rs similarity index 93% rename from benchmarks/vfs/io_uring/examples/conn.in rename to benchmarks/vfs/io_uring/include/conn.in.rs index 749ab81..b2fde0a 100644 --- a/benchmarks/vfs/io_uring/examples/conn.in +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -19,9 +19,6 @@ fn create_test_database(args: Vec) -> rusqlite::Result { let stmt_str = stmt.as_str(); conn.execute(stmt_str, ()).expect("Failed to execute"); } - if file_path.contains("wal") { - conn.pragma_update(None, "journal_mode", "wal")?; - } conn }else { Connection::open_in_memory().expect("Failed to create in-memory database") diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 92c23c3..63bb39c 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -17,7 +17,7 @@ use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE, SQLITE_OPEN_WAL}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c @@ -30,6 +30,7 @@ const EXTENSION_NAME: &str = "iouring"; struct IoUringVfs { default_vfs: DefaultVfs, vfs_name: CString, + wal: bool, } impl SqliteVfs for IoUringVfs { @@ -43,17 +44,29 @@ impl SqliteVfs for IoUringVfs { file.open_file().map_err(|_| Error::new_message("can't open file"))?; unsafe { *p_file = *create_file_pointer( file ); } + + if String::from_utf8_lossy(file_path.to_bytes()).to_string().contains("wal") { + unsafe { *p_res_out |= SQLITE_OPEN_WAL; } + self.wal = true; + } Ok(()) } fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) + let file_path_cstr = unsafe { CStr::from_ptr(z_name) }; + let file_path = file_path_cstr.to_str().unwrap(); + if let Ok(metadata) = fs::metadata(file_path) { + if metadata.is_file() { + self.default_vfs.delete(z_name, sync_dir); + } + } + Ok(()) } fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { unsafe { - *p_res_out = 0; + *p_res_out = if self.wal { 1 } else { 0 }; } Ok(()) } @@ -142,7 +155,8 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { // pass thru DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) }, - vfs_name + vfs_name, + wal: false, }; let name_ptr = ring_vfs.vfs_name.as_ptr(); // allocation is bound to lifetime of struct diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index b748e6a..42cd547 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -4,7 +4,9 @@ use std::os::raw::c_void; use std::fs::File; use std::os::unix::io::{FromRawFd,AsRawFd}; +use sqlite_loadable::vfs::default::DefaultFile; use sqlite_loadable::{Result, Error, ErrorKind, SqliteIoMethods}; +use sqlite3ext_sys::sqlite3_file; use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; @@ -25,11 +27,13 @@ const USER_DATA_STATX: u64 = 0x3; const USER_DATA_WRITE: u64 = 0x4; const USER_DATA_FALLOCATE: u64 = 0x5; const USER_DATA_CLOSE: u64 = 0x6; +const USER_DATA_FSYNC: u64 = 0x7; pub struct Ops { ring: IoUring, file_path: CString, file_fd: Option, + default_file: Option, } impl Ops { @@ -41,6 +45,7 @@ impl Ops { ring, file_path, file_fd: None, + default_file: None, } } @@ -221,6 +226,29 @@ impl Ops { Ok(()) } + // TODO write unit test + pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { + let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let op = opcode::Fsync::new(fd); + + self.ring + .submission() + .push(&op.build().user_data(USER_DATA_FSYNC)) + .map_err(|_| Error::new_message("submission queue is full"))?; + + self.ring.submit_and_wait(1) + .map_err(|_| Error::new_message("submit failed or timed out"))?; + + let cqe = self.ring + .completion() + .next() + .unwrap(); + + if cqe.result() < 0 { + Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + } + Ok(()) + } } impl SqliteIoMethods for Ops { @@ -241,7 +269,7 @@ impl SqliteIoMethods for Ops { } fn sync(&mut self, flags: i32) -> Result<()> { - Ok(()) + unsafe { self.o_fsync(flags) } } fn file_size(&mut self, p_size: *mut i64) -> Result<()> { @@ -261,7 +289,13 @@ impl SqliteIoMethods for Ops { Ok(()) } - fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { + /// See https://www.sqlite.org/c3ref/file_control.html + /// and also https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html + fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { + if let None = self.default_file { + let orig_file: *mut sqlite3_file = unsafe { file.offset(1) }; + self.default_file = Some(DefaultFile::from_ptr(orig_file)); + } Ok(()) } diff --git a/benchmarks/vfs/io_uring/test.sql b/benchmarks/vfs/io_uring/test.sql deleted file mode 100644 index 3507b1b..0000000 --- a/benchmarks/vfs/io_uring/test.sql +++ /dev/null @@ -1,16 +0,0 @@ -.mode box -.header on - -.load target/debug/lib_iouringvfs - -SELECT io_uring_vfs_from_file('from.db'); - -ATTACH io_uring_vfs_from_file('from.db') AS inring; - -CREATE TABLE t3(x, y); - -INSERT INTO t3 VALUES('a', 4), - ('b', 5), - ('c', 3), - ('d', 8), - ('e', 1); diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index ecdced2..c1763ec 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -1,7 +1,7 @@ #[cfg(test)] mod tests { use _iouringvfs::sqlite3_iouringvfs_init; - use rusqlite::{ffi::sqlite3_auto_extension, Connection, self}; + use rusqlite::{ffi::sqlite3_auto_extension, Connection, self, OpenFlags}; #[test] fn test_io_uring_ext() -> rusqlite::Result<()> { @@ -11,11 +11,16 @@ mod tests { ))); } - let conn = Connection::open_in_memory()?; + let file_path = "test_iouring.db"; - conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ())?; + let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; + let conn = Connection::open_in_memory_with_flags(flags).unwrap(); - conn.execute("CREATE TABLE t3(x, y)", ())?; + let stmt = format!("ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", file_path); + let stmt_str = stmt.as_str(); + conn.execute(stmt_str, ())?; + + conn.execute("CREATE TABLE t3(x varchar(10), y integer)", ())?; conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ())?; let result: String = conn @@ -35,11 +40,14 @@ mod tests { ))); } - let conn = Connection::open_in_memory()?; - - conn.execute("ATTACH io_uring_vfs_from_file('from.db') AS inring;", ())?; + let file_path = "test_iouring.wal.db"; - conn.pragma_update(None, "journal_mode", "wal")?; + let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; + let conn = Connection::open_in_memory_with_flags(flags).unwrap(); + + let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); + let stmt_str = stmt.as_str(); + conn.execute(stmt_str, ())?; conn.execute("CREATE TABLE t3(x, y)", ())?; conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ())?; diff --git a/examples/mem_vfs.in.rs b/examples/mem_vfs.in.rs new file mode 100644 index 0000000..20cb77c --- /dev/null +++ b/examples/mem_vfs.in.rs @@ -0,0 +1,305 @@ +use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; +use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::vfs::create_vfs; + +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; +use url::Url; + +use std::ffi::{CString, CStr}; +use std::fs::{File, self}; +use std::io::{Write, Read, self}; +use std::os::raw::{c_void, c_char}; +use std::{ptr, mem}; + +use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; +use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; + +/// There is some duplication between rusqlite / sqlite3ext / libsqlite3 +/// +/// The following dependency has to be copied by users to use this vfs implementation: +/// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} +// TODO This lib should be released 0.0.2 version, with the previously missing +// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) +// parameter + +/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c +struct MemVfs { + default_vfs: DefaultVfs, + name: CString, +} + +const EXTENSION_NAME: &str = "memvfs"; + +fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { + let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; + let file_size = metadata.len() as usize; + + let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; + + file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; + + Ok(()) +} + +impl SqliteVfs for MemVfs { + fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { + let mut mem_file = MemFile { + file_contents: Vec::new(), + path: String::new() + }; + + let path_cstr = unsafe { CStr::from_ptr(z_name) }; + let path_str = path_cstr.to_str().expect("should be fine"); + mem_file.path = path_str.to_string(); + + if !z_name.is_null() { + write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; + } + + unsafe { *p_file = *create_file_pointer( mem_file ); } + + Ok(()) + } + + fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) + } + + fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { + unsafe { + *p_res_out = 0; + } + Ok(()) + } + + fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { + unsafe { + // don't rely on type conversion of n_out to determine the end line char + let name = CString::from_raw(z_name.cast_mut()); + let src_ptr = name.as_ptr(); + let dst_ptr = z_out; + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); + name.into_raw(); + } + + Ok(()) + } + + /// From here onwards, all calls are redirected to the default vfs + fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { + self.default_vfs.dl_open(z_filename) + } + + fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { + self.default_vfs.dl_error(n_byte, z_err_msg) + } + + fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) + -> Option { + self.default_vfs.dl_sym(arg2, z_symbol) + } + + fn dl_close(&mut self, arg2: *mut c_void) { + self.default_vfs.dl_close(arg2) + } + + fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { + self.default_vfs.randomness(n_byte, z_out) + } + + fn sleep(&mut self, microseconds: i32) -> i32 { + self.default_vfs.sleep(microseconds) + } + + fn current_time(&mut self, arg2: *mut f64) -> i32 { + self.default_vfs.current_time(arg2) + } + + fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { + self.default_vfs.get_last_error(arg2, arg3) + } + + fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { + self.default_vfs.current_time_int64(arg2) + } + + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { + self.default_vfs.set_system_call(z_name, arg2) + } + + fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { + self.default_vfs.get_system_call(z_name) + } + + fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { + self.default_vfs.next_system_call(z_name) + } +} + +struct MemFile { + file_contents: Vec, + path: String, +} + +impl Drop for MemFile { + fn drop(&mut self) { + if !self.file_contents.is_empty() { + if let Err(err) = self.write_to_file() { + eprintln!("Error writing to file {}: {}", self.path, err); + } + } + } +} + +impl MemFile { + fn write_to_file(&self) -> io::Result<()> { + let mut file = File::create(&self.path)?; + file.write_all(&self.file_contents)?; + Ok(()) + } +} + +impl SqliteIoMethods for MemFile { + fn close(&mut self) -> Result<()> { + Ok(()) + } + + fn read(&mut self, orig_file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + let size: usize = s.try_into().unwrap(); + let offset = ofst.try_into().unwrap(); + let source = &mut self.file_contents; + if source.len() < size { + let new_len = offset + size; + let prev_len = source.len(); + source.resize(new_len, 0); + source.extend(vec![0; new_len - prev_len]); + } + + let src_ptr = source[offset..(size-1)].as_ptr(); + unsafe { ptr::copy_nonoverlapping(src_ptr, buf.cast(), size) } + + Ok(()) + } + + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + let size = s.try_into().unwrap(); + let offset = ofst.try_into().unwrap(); + let new_length = size + offset; + if new_length > self.file_contents.len() { + self.file_contents.resize(new_length, 0); + } + + let dest = &mut self.file_contents; + + let src_slice = unsafe { std::slice::from_raw_parts(buf as *const u8, size) }; + + dest[offset..offset + src_slice.len()].copy_from_slice(src_slice); + + Ok(()) + } + + fn truncate(&mut self, size: i64) -> Result<()> { + self.file_contents.resize(size.try_into().unwrap(), 0); + + Ok(()) + } + + fn sync(&mut self, flags: i32) -> Result<()> { + Ok(()) + } + + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { + unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } + Ok(()) + } + + fn lock(&mut self, arg2: i32) -> Result<()> { + Ok(()) + } + + fn unlock(&mut self, arg2: i32) -> Result<()> { + Ok(()) + } + + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { + unsafe{ *p_res_out = 0; } + Ok(()) + } + + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { + Ok(()) + } + + fn sector_size(&mut self) -> i32 { + 1024 + } + + fn device_characteristics(&mut self) -> i32 { + SQLITE_IOCAP_ATOMIC | + SQLITE_IOCAP_POWERSAFE_OVERWRITE | + SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_SEQUENTIAL + } + + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) + } + + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { + // SQLITE_IOERR_SHMLOCK is deprecated? + Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) + } + + fn shm_barrier(&mut self) -> Result<()> { + Ok(()) + } + + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { + Ok(()) + } + + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + let memory_location = self.file_contents.as_mut_ptr(); + unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } + Ok(()) + } + + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + Ok(()) + } +} + +/// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" +fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { + let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; + + let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); + + api::result_text(context, text_output); + + Ok(()) +} + +#[sqlite_entrypoint_permanent] +pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { + let name = CString::new(EXTENSION_NAME).expect("should be fine"); + let mem_vfs = MemVfs { + default_vfs: unsafe { + // pass thru + DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) + }, + name: name + }; + let name_ptr = mem_vfs.name.as_ptr(); + + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); + register_vfs(vfs, true)?; + + let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; + define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; + + Ok(()) +} diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index dbe54f9..a0d303f 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,307 +1,3 @@ #![allow(unused)] -use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; -use sqlite_loadable::vfs::default::DefaultVfs; -use sqlite_loadable::vfs::vfs::create_vfs; - -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; -use url::Url; - -use std::ffi::{CString, CStr}; -use std::fs::{File, self}; -use std::io::{Write, Read, self}; -use std::os::raw::{c_void, c_char}; -use std::{ptr, mem}; - -use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; -use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; -use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, - SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; - -/// There is some duplication between rusqlite / sqlite3ext / libsqlite3 -/// -/// The following dependency has to be copied by users to use this vfs implementation: -/// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} -// TODO This lib should be released 0.0.2 version, with the previously missing -// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) -// parameter - -/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c -struct MemVfs { - default_vfs: DefaultVfs, - name: CString, -} - -const EXTENSION_NAME: &str = "memvfs"; - -fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { - let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; - let file_size = metadata.len() as usize; - - let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; - - file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; - - Ok(()) -} - -impl SqliteVfs for MemVfs { - fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { - let mut mem_file = MemFile { - file_contents: Vec::new(), - path: String::new() - }; - - let path_cstr = unsafe { CStr::from_ptr(z_name) }; - let path_str = path_cstr.to_str().expect("should be fine"); - mem_file.path = path_str.to_string(); - - if !z_name.is_null() { - write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; - } - - unsafe { *p_file = *create_file_pointer( mem_file ); } - - Ok(()) - } - - fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) - } - - fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { - unsafe { - *p_res_out = 0; - } - Ok(()) - } - - fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { - unsafe { - // don't rely on type conversion of n_out to determine the end line char - let name = CString::from_raw(z_name.cast_mut()); - let src_ptr = name.as_ptr(); - let dst_ptr = z_out; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); - name.into_raw(); - } - - Ok(()) - } - - /// From here onwards, all calls are redirected to the default vfs - fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { - self.default_vfs.dl_open(z_filename) - } - - fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { - self.default_vfs.dl_error(n_byte, z_err_msg) - } - - fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) - -> Option { - self.default_vfs.dl_sym(arg2, z_symbol) - } - - fn dl_close(&mut self, arg2: *mut c_void) { - self.default_vfs.dl_close(arg2) - } - - fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { - self.default_vfs.randomness(n_byte, z_out) - } - - fn sleep(&mut self, microseconds: i32) -> i32 { - self.default_vfs.sleep(microseconds) - } - - fn current_time(&mut self, arg2: *mut f64) -> i32 { - self.default_vfs.current_time(arg2) - } - - fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { - self.default_vfs.get_last_error(arg2, arg3) - } - - fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { - self.default_vfs.current_time_int64(arg2) - } - - fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { - self.default_vfs.set_system_call(z_name, arg2) - } - - fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { - self.default_vfs.get_system_call(z_name) - } - - fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { - self.default_vfs.next_system_call(z_name) - } -} - -struct MemFile { - file_contents: Vec, - path: String, -} - -impl Drop for MemFile { - fn drop(&mut self) { - if !self.file_contents.is_empty() { - if let Err(err) = self.write_to_file() { - eprintln!("Error writing to file {}: {}", self.path, err); - } - } - } -} - -impl MemFile { - fn write_to_file(&self) -> io::Result<()> { - let mut file = File::create(&self.path)?; - file.write_all(&self.file_contents)?; - Ok(()) - } -} - -impl SqliteIoMethods for MemFile { - fn close(&mut self) -> Result<()> { - Ok(()) - } - - fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { - let size: usize = s.try_into().unwrap(); - let offset = ofst.try_into().unwrap(); - let source = &mut self.file_contents; - if source.len() < size { - let new_len = offset + size; - let prev_len = source.len(); - source.resize(new_len, 0); - source.extend(vec![0; new_len - prev_len]); - } - - let src_ptr = source[offset..(size-1)].as_ptr(); - unsafe { ptr::copy_nonoverlapping(src_ptr, buf.cast(), size) } - - Ok(()) - } - - fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { - let size = s.try_into().unwrap(); - let offset = ofst.try_into().unwrap(); - let new_length = size + offset; - if new_length > self.file_contents.len() { - self.file_contents.resize(new_length, 0); - } - - let dest = &mut self.file_contents; - - let src_slice = unsafe { std::slice::from_raw_parts(buf as *const u8, size) }; - - dest[offset..offset + src_slice.len()].copy_from_slice(src_slice); - - Ok(()) - } - - fn truncate(&mut self, size: i64) -> Result<()> { - self.file_contents.resize(size.try_into().unwrap(), 0); - - Ok(()) - } - - fn sync(&mut self, flags: i32) -> Result<()> { - Ok(()) - } - - fn file_size(&mut self, p_size: *mut i64) -> Result<()> { - unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } - Ok(()) - } - - fn lock(&mut self, arg2: i32) -> Result<()> { - Ok(()) - } - - fn unlock(&mut self, arg2: i32) -> Result<()> { - Ok(()) - } - - fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { - unsafe{ *p_res_out = 0; } - Ok(()) - } - - fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { - Ok(()) - } - - fn sector_size(&mut self) -> i32 { - 1024 - } - - fn device_characteristics(&mut self) -> i32 { - SQLITE_IOCAP_ATOMIC | - SQLITE_IOCAP_POWERSAFE_OVERWRITE | - SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL - } - - fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) - } - - fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { - // SQLITE_IOERR_SHMLOCK is deprecated? - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) - } - - fn shm_barrier(&mut self) -> Result<()> { - Ok(()) - } - - fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { - Ok(()) - } - - fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { - let memory_location = self.file_contents.as_mut_ptr(); - unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } - Ok(()) - } - - fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { - Ok(()) - } -} - -/// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" -fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { - let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); - - api::result_text(context, text_output); - - Ok(()) -} - -#[sqlite_entrypoint_permanent] -pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let name = CString::new(EXTENSION_NAME).expect("should be fine"); - let mem_vfs = MemVfs { - default_vfs: unsafe { - // pass thru - DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) - }, - name: name - }; - let name_ptr = mem_vfs.name.as_ptr(); - - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); - register_vfs(vfs, true)?; - - let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; - define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; - - Ok(()) -} +include!("mem_vfs.in.rs"); \ No newline at end of file diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 3eb1ad7..0e9d85b 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -264,16 +264,16 @@ impl SqliteVfs for DefaultVfs { /// See ORIGFILE https://www.sqlite.org/src/file?name=ext/misc/cksumvfs.c -struct DefaultFile { - default_methods_ptr: *mut sqlite3_io_methods, - default_file_ptr: *mut sqlite3_file, +pub struct DefaultFile { + methods_ptr: *mut sqlite3_io_methods, + file_ptr: *mut sqlite3_file, } impl DefaultFile { - fn from_ptr(file_ptr: *mut sqlite3_file) -> Self { + pub fn from_ptr(file_ptr: *mut sqlite3_file) -> Self { Self { - default_file_ptr: file_ptr, - default_methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut() + file_ptr, + methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut() } } } @@ -281,8 +281,8 @@ impl DefaultFile { impl SqliteIoMethods for DefaultFile { fn close(&mut self) -> Result<()> { unsafe { - if let Some(xClose) = ((*self.default_methods_ptr).xClose) { - let result = xClose(self.default_file_ptr); + if let Some(xClose) = ((*self.methods_ptr).xClose) { + let result = xClose(self.file_ptr); if result == 1 { Ok(()) } else { @@ -296,8 +296,8 @@ impl SqliteIoMethods for DefaultFile { fn read(&mut self, buf: *mut c_void, i_amt: i32, i_ofst: i64) -> Result<()> { unsafe { - if let Some(xRead) = ((*self.default_methods_ptr).xRead) { - let result = xRead(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); + if let Some(xRead) = ((*self.methods_ptr).xRead) { + let result = xRead(self.file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); if result == 1 { Ok(()) } else { @@ -316,8 +316,8 @@ impl SqliteIoMethods for DefaultFile { i_ofst: i64, ) -> Result<()> { unsafe { - if let Some(xWrite) = ((*self.default_methods_ptr).xWrite) { - let result = xWrite(self.default_file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); + if let Some(xWrite) = ((*self.methods_ptr).xWrite) { + let result = xWrite(self.file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); if result == 1 { Ok(()) } else { @@ -331,8 +331,8 @@ impl SqliteIoMethods for DefaultFile { fn truncate(&mut self, size: i64) -> Result<()> { unsafe { - if let Some(xTruncate) = ((*self.default_methods_ptr).xTruncate) { - let result = xTruncate(self.default_file_ptr, size.try_into().unwrap()); + if let Some(xTruncate) = ((*self.methods_ptr).xTruncate) { + let result = xTruncate(self.file_ptr, size.try_into().unwrap()); if result == 1 { Ok(()) } else { @@ -346,8 +346,8 @@ impl SqliteIoMethods for DefaultFile { fn sync(&mut self, flags: c_int) -> Result<()> { unsafe { - if let Some(xSync) = ((*self.default_methods_ptr).xSync) { - let result = xSync(self.default_file_ptr,flags); + if let Some(xSync) = ((*self.methods_ptr).xSync) { + let result = xSync(self.file_ptr,flags); if result == 1 { Ok(()) } else { @@ -361,8 +361,8 @@ impl SqliteIoMethods for DefaultFile { fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { unsafe { - if let Some(xFileSize) = ((*self.default_methods_ptr).xFileSize) { - let result = xFileSize(self.default_file_ptr,p_size); + if let Some(xFileSize) = ((*self.methods_ptr).xFileSize) { + let result = xFileSize(self.file_ptr,p_size); if result == 1 { Ok(()) } else { @@ -376,8 +376,8 @@ impl SqliteIoMethods for DefaultFile { fn lock(&mut self, arg2: c_int) -> Result<()> { unsafe { - if let Some(xLock) = ((*self.default_methods_ptr).xLock) { - let result = xLock(self.default_file_ptr,arg2); + if let Some(xLock) = ((*self.methods_ptr).xLock) { + let result = xLock(self.file_ptr,arg2); if result == 1 { Ok(()) } else { @@ -391,8 +391,8 @@ impl SqliteIoMethods for DefaultFile { fn unlock(&mut self, arg2: c_int) -> Result<()> { unsafe { - if let Some(xUnlock) = ((*self.default_methods_ptr).xUnlock) { - let result = xUnlock(self.default_file_ptr,arg2); + if let Some(xUnlock) = ((*self.methods_ptr).xUnlock) { + let result = xUnlock(self.file_ptr,arg2); if result == 1 { Ok(()) } else { @@ -406,8 +406,8 @@ impl SqliteIoMethods for DefaultFile { fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { unsafe { - if let Some(xCheckReservedLock) = ((*self.default_methods_ptr).xCheckReservedLock) { - let result = xCheckReservedLock(self.default_file_ptr, p_res_out); + if let Some(xCheckReservedLock) = ((*self.methods_ptr).xCheckReservedLock) { + let result = xCheckReservedLock(self.file_ptr, p_res_out); if result == 1 { Ok(()) } else { @@ -419,10 +419,10 @@ impl SqliteIoMethods for DefaultFile { } } - fn file_control(&mut self, op: c_int, p_arg: *mut c_void) -> Result<()> { + fn file_control(&mut self, file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void) -> Result<()> { unsafe { - if let Some(xFileControl) = ((*self.default_methods_ptr).xFileControl) { - let result = xFileControl(self.default_file_ptr, op, p_arg); + if let Some(xFileControl) = ((*self.methods_ptr).xFileControl) { + let result = xFileControl(self.file_ptr, op, p_arg); if result == 1 { Ok(()) } else { @@ -436,8 +436,8 @@ impl SqliteIoMethods for DefaultFile { fn sector_size(&mut self) -> c_int { unsafe { - if let Some(xSectorSize) = ((*self.default_methods_ptr).xSectorSize) { - xSectorSize(self.default_file_ptr) + if let Some(xSectorSize) = ((*self.methods_ptr).xSectorSize) { + xSectorSize(self.file_ptr) } else { -1 } @@ -446,8 +446,8 @@ impl SqliteIoMethods for DefaultFile { fn device_characteristics(&mut self) -> c_int { unsafe { - if let Some(xDeviceCharacteristics) = ((*self.default_methods_ptr).xDeviceCharacteristics) { - xDeviceCharacteristics(self.default_file_ptr) + if let Some(xDeviceCharacteristics) = ((*self.methods_ptr).xDeviceCharacteristics) { + xDeviceCharacteristics(self.file_ptr) } else { -1 } @@ -456,8 +456,8 @@ impl SqliteIoMethods for DefaultFile { fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { unsafe { - if let Some(xShmMap) = ((*self.default_methods_ptr).xShmMap) { - let result = xShmMap(self.default_file_ptr,i_pg, pgsz, arg2, arg3); + if let Some(xShmMap) = ((*self.methods_ptr).xShmMap) { + let result = xShmMap(self.file_ptr,i_pg, pgsz, arg2, arg3); if result >= 0 { Ok(()) } else { @@ -471,8 +471,8 @@ impl SqliteIoMethods for DefaultFile { fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { unsafe { - if let Some(xShmLock) = ((*self.default_methods_ptr).xShmLock) { - let result = xShmLock(self.default_file_ptr,offset, n, flags); + if let Some(xShmLock) = ((*self.methods_ptr).xShmLock) { + let result = xShmLock(self.file_ptr,offset, n, flags); if result == 1 { Ok(()) } else { @@ -486,8 +486,8 @@ impl SqliteIoMethods for DefaultFile { fn shm_barrier(&mut self) -> Result<()> { unsafe { - if let Some(xShmBarrier) = ((*self.default_methods_ptr).xShmBarrier) { - xShmBarrier(self.default_file_ptr); + if let Some(xShmBarrier) = ((*self.methods_ptr).xShmBarrier) { + xShmBarrier(self.file_ptr); Ok(()) } else { Err(Error::new_message("Missing function")) @@ -497,8 +497,8 @@ impl SqliteIoMethods for DefaultFile { fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { unsafe { - if let Some(xShmUnmap) = ((*self.default_methods_ptr).xShmUnmap) { - let result = xShmUnmap(self.default_file_ptr, delete_flag); + if let Some(xShmUnmap) = ((*self.methods_ptr).xShmUnmap) { + let result = xShmUnmap(self.file_ptr, delete_flag); if result == 1 { Ok(()) } else { @@ -512,8 +512,8 @@ impl SqliteIoMethods for DefaultFile { fn fetch(&mut self, i_ofst: i64, i_amt: i32, pp: *mut *mut c_void) -> Result<()> { unsafe { - if let Some(xFetch) = ((*self.default_methods_ptr).xFetch) { - let result = xFetch(self.default_file_ptr, i_ofst.try_into().unwrap(), i_amt.try_into().unwrap(), pp); + if let Some(xFetch) = ((*self.methods_ptr).xFetch) { + let result = xFetch(self.file_ptr, i_ofst.try_into().unwrap(), i_amt.try_into().unwrap(), pp); if result == 1 { Ok(()) } else { @@ -527,8 +527,8 @@ impl SqliteIoMethods for DefaultFile { fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { unsafe { - if let Some(xUnfetch) = ((*self.default_methods_ptr).xUnfetch) { - let result = xUnfetch(self.default_file_ptr,i_ofst.try_into().unwrap(), p); + if let Some(xUnfetch) = ((*self.methods_ptr).xUnfetch) { + let result = xUnfetch(self.file_ptr, i_ofst.try_into().unwrap(), p); if result == 1 { Ok(()) } else { diff --git a/src/vfs/file.rs b/src/vfs/file.rs index a7cda37..caa81ff 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -148,7 +148,7 @@ unsafe extern "C" fn x_file_control( let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.file_control(op, pArg); + let result = aux.file_control(arg1, op, pArg); Box::into_raw(f); Box::into_raw(m); Box::into_raw(aux); diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 32d2bc1..fe23ece 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -31,6 +31,7 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn file_control( &mut self, + file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void, ) -> Result<()>; diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 2443614..438745c 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,315 +1,12 @@ #![allow(unused)] -use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; -use sqlite_loadable::vfs::default::DefaultVfs; -use sqlite_loadable::vfs::vfs::create_vfs; - -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; -use url::Url; - -use std::ffi::{CString, CStr}; -use std::fs::{File, self}; -use std::io::{Write, Read, self}; -use std::os::raw::{c_void, c_char}; -use std::{ptr, mem}; - -use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; -use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; -use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, - SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; - -/// There is some duplication between rusqlite / sqlite3ext / libsqlite3 -/// -/// The following dependency has to be copied by users to use this vfs implementation: -/// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} -// TODO This lib should be released 0.0.2 version, with the previously missing -// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) -// parameter - -/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c -struct MemVfs { - default_vfs: DefaultVfs, - name: CString, -} - -const EXTENSION_NAME: &str = "memvfs"; - -fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { - let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; - let file_size = metadata.len() as usize; - - let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; - - file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; - - Ok(()) -} - -impl SqliteVfs for MemVfs { - fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { - let mut mem_file = MemFile { - file_contents: Vec::new(), - path: String::new() - }; - - let path_cstr = unsafe { CStr::from_ptr(z_name) }; - let path_str = path_cstr.to_str().expect("should be fine"); - mem_file.path = path_str.to_string(); - - if !z_name.is_null() { - write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; - } - - unsafe { *p_file = *create_file_pointer( mem_file ); } - - Ok(()) - } - - fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) - } - - fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { - unsafe { - *p_res_out = 0; - } - Ok(()) - } - - fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { - unsafe { - // don't rely on type conversion of n_out to determine the end line char - let name = CString::from_raw(z_name.cast_mut()); - let src_ptr = name.as_ptr(); - let dst_ptr = z_out; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); - name.into_raw(); - } - - Ok(()) - } - - /// From here onwards, all calls are redirected to the default vfs - fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { - self.default_vfs.dl_open(z_filename) - } - - fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { - self.default_vfs.dl_error(n_byte, z_err_msg) - } - - fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) -> Option { - self.default_vfs.dl_sym(arg2, z_symbol) - } - - fn dl_close(&mut self, arg2: *mut c_void) { - self.default_vfs.dl_close(arg2) - } - - fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { - self.default_vfs.randomness(n_byte, z_out) - } - - fn sleep(&mut self, microseconds: i32) -> i32 { - self.default_vfs.sleep(microseconds) - } - - fn current_time(&mut self, arg2: *mut f64) -> i32 { - self.default_vfs.current_time(arg2) - } - - fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { - self.default_vfs.get_last_error(arg2, arg3) - } - - fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { - self.default_vfs.current_time_int64(arg2) - } - - fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { - self.default_vfs.set_system_call(z_name, arg2) - } - - fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { - self.default_vfs.get_system_call(z_name) - } - - fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { - self.default_vfs.next_system_call(z_name) - } -} - -struct MemFile { - file_contents: Vec, - path: String, -} - -impl Drop for MemFile { - fn drop(&mut self) { - if !self.file_contents.is_empty() { - if let Err(err) = self.write_to_file() { - eprintln!("Error writing to file {}: {}", self.path, err); - } - } - } -} - -impl MemFile { - fn write_to_file(&self) -> io::Result<()> { - let mut file = File::create(&self.path)?; - file.write_all(&self.file_contents)?; - Ok(()) - } -} - -impl SqliteIoMethods for MemFile { - fn close(&mut self) -> Result<()> { - Ok(()) - } - - fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { - let size: usize = s.try_into().unwrap(); - let offset = ofst.try_into().unwrap(); - let source = &mut self.file_contents; - if source.len() < size { - let new_len = offset + size; - let prev_len = source.len(); - source.resize(new_len, 0); - source.extend(vec![0; new_len - prev_len]); - } - - let src_ptr = source[offset..(size-1)].as_ptr(); - unsafe { ptr::copy_nonoverlapping(src_ptr, buf.cast(), size) } - - Ok(()) - } - - fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { - let size = s.try_into().unwrap(); - let offset = ofst.try_into().unwrap(); - let new_length = size + offset; - if new_length > self.file_contents.len() { - self.file_contents.resize(new_length, 0); - } - - let dest = &mut self.file_contents; - - let src_slice = unsafe { std::slice::from_raw_parts(buf as *const u8, size) }; - - dest[offset..offset + src_slice.len()].copy_from_slice(src_slice); - - Ok(()) - } - - fn truncate(&mut self, size: i64) -> Result<()> { - self.file_contents.resize(size.try_into().unwrap(), 0); - - Ok(()) - } - - fn sync(&mut self, flags: i32) -> Result<()> { - Ok(()) - } - - fn file_size(&mut self, p_size: *mut i64) -> Result<()> { - unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } - Ok(()) - } - - fn lock(&mut self, arg2: i32) -> Result<()> { - Ok(()) - } - - fn unlock(&mut self, arg2: i32) -> Result<()> { - Ok(()) - } - - fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { - unsafe{ *p_res_out = 0; } - Ok(()) - } - - fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { - Ok(()) - } - - fn sector_size(&mut self) -> i32 { - 1024 - } - - fn device_characteristics(&mut self) -> i32 { - SQLITE_IOCAP_ATOMIC | - SQLITE_IOCAP_POWERSAFE_OVERWRITE | - SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL - } - - fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) - } - - fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { - // SQLITE_IOERR_SHMLOCK is deprecated? - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) - } - - fn shm_barrier(&mut self) -> Result<()> { - Ok(()) - } - - fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { - Ok(()) - } - - fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { - let memory_location = self.file_contents.as_mut_ptr(); - unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } - Ok(()) - } - - fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { - Ok(()) - } -} - -/// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" -fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { - let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); - - api::result_text(context, text_output); - - Ok(()) -} - -#[sqlite_entrypoint_permanent] -pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let name = CString::new(EXTENSION_NAME).expect("should be fine"); - let mem_vfs = MemVfs { - default_vfs: unsafe { - // pass thru - DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) - }, - name: name - }; - let name_ptr = mem_vfs.name.as_ptr(); - - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); - register_vfs(vfs, true)?; - - let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; - define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; - - Ok(()) -} +include!("../examples/mem_vfs.in.rs"); #[cfg(test)] mod tests { use super::*; - use rusqlite::{ffi::sqlite3_auto_extension, Connection}; + use rusqlite::{ffi::sqlite3_auto_extension, Connection, OpenFlags}; #[test] fn test_rusqlite_auto_extension() { @@ -319,9 +16,11 @@ mod tests { ))); } - let conn = Connection::open_in_memory().unwrap(); + let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; + + let conn = Connection::open_in_memory_with_flags(flags).unwrap(); - conn.execute("ATTACH memvfs_from_file('from.db') AS inmem;", ()); + conn.execute("ATTACH DATABASE memvfs_from_file('dummy.db') AS inmem;", ()); conn.execute("CREATE TABLE t3(x, y)", ()); conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); From 16b14e4a0312c9b479d80eb158b5903ae817a047 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 7 Oct 2023 03:35:40 +0200 Subject: [PATCH 085/142] update parameters; keep things DRY --- examples/mem_vfs.rs | 2 +- {examples => include}/mem_vfs.in.rs | 4 ++-- tests/test_mem_vfs.rs | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) rename {examples => include}/mem_vfs.in.rs (98%) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index a0d303f..15d4674 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,3 +1,3 @@ #![allow(unused)] -include!("mem_vfs.in.rs"); \ No newline at end of file +include!("../include/mem_vfs.in.rs"); \ No newline at end of file diff --git a/examples/mem_vfs.in.rs b/include/mem_vfs.in.rs similarity index 98% rename from examples/mem_vfs.in.rs rename to include/mem_vfs.in.rs index 20cb77c..0f6bef6 100644 --- a/examples/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -167,7 +167,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn read(&mut self, orig_file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { let size: usize = s.try_into().unwrap(); let offset = ofst.try_into().unwrap(); let source = &mut self.file_contents; @@ -229,7 +229,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { + fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { Ok(()) } diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 438745c..c65b3cf 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -1,6 +1,6 @@ #![allow(unused)] -include!("../examples/mem_vfs.in.rs"); +include!("../include/mem_vfs.in.rs"); #[cfg(test)] mod tests { From 66db18ed75bdf933c4aa4d13ec179b7e578c4361 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 7 Oct 2023 03:46:26 +0200 Subject: [PATCH 086/142] update comment --- include/mem_vfs.in.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index 0f6bef6..5b96960 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -21,11 +21,11 @@ use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, /// /// The following dependency has to be copied by users to use this vfs implementation: /// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} -// TODO This lib should be released 0.0.2 version, with the previously missing -// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) -// parameter +// TODO This lib should be released as the new 0.0.2 version, with the previously missing +// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) parameter /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c +/// See https://www.sqlite.org/debugging.html for debugging methods struct MemVfs { default_vfs: DefaultVfs, name: CString, From 2ae651a31e99f0fef6b14845b81ef54b3f03d4bf Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 7 Oct 2023 04:49:32 +0200 Subject: [PATCH 087/142] simplified code; but still segfaults on a production build, e.g. bullseye debian, sqlite3 from apt --- include/mem_vfs.in.rs | 39 ++++----------------------------------- memvfs.sql | 19 +++++++++++++++++++ tests/test_mem_vfs.rs | 2 +- 3 files changed, 24 insertions(+), 36 deletions(-) create mode 100644 memvfs.sql diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index 5b96960..49d09eb 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -48,17 +48,8 @@ impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { let mut mem_file = MemFile { file_contents: Vec::new(), - path: String::new() }; - let path_cstr = unsafe { CStr::from_ptr(z_name) }; - let path_str = path_cstr.to_str().expect("should be fine"); - mem_file.path = path_str.to_string(); - - if !z_name.is_null() { - write_file_to_vec_u8(path_str, &mut mem_file.file_contents)?; - } - unsafe { *p_file = *create_file_pointer( mem_file ); } Ok(()) @@ -141,25 +132,6 @@ impl SqliteVfs for MemVfs { struct MemFile { file_contents: Vec, - path: String, -} - -impl Drop for MemFile { - fn drop(&mut self) { - if !self.file_contents.is_empty() { - if let Err(err) = self.write_to_file() { - eprintln!("Error writing to file {}: {}", self.path, err); - } - } - } -} - -impl MemFile { - fn write_to_file(&self) -> io::Result<()> { - let mut file = File::create(&self.path)?; - file.write_all(&self.file_contents)?; - Ok(()) - } } impl SqliteIoMethods for MemFile { @@ -272,11 +244,8 @@ impl SqliteIoMethods for MemFile { } } -/// Usage: "ATTACH memvfs_from_file('test.db') AS inmem;" -fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { - let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; - - let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); +fn print_uri(context: *mut sqlite3_context, _: &[*mut sqlite3_value]) -> Result<()> { + let text_output = format!("file:___mem___?vfs={}", EXTENSION_NAME); api::result_text(context, text_output); @@ -291,7 +260,7 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { // pass thru DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) }, - name: name + name }; let name_ptr = mem_vfs.name.as_ptr(); @@ -299,7 +268,7 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { register_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; - define_scalar_function(db, "memvfs_from_file", 1, vfs_from_file, flags)?; + define_scalar_function(db, "mem_vfs_uri", 0, print_uri, flags)?; Ok(()) } diff --git a/memvfs.sql b/memvfs.sql new file mode 100644 index 0000000..5e2abcd --- /dev/null +++ b/memvfs.sql @@ -0,0 +1,19 @@ +.mode box +.header on + +.load target/debug/examples/libmem_vfs + +SELECT mem_vfs_uri(); + +ATTACH mem_vfs_uri() AS inmem; + +-- attach does not actually do anything +.open ___mem___ -- does + +CREATE TABLE t3(x, y); + +INSERT INTO t3 VALUES('a', 4), + ('b', 5), + ('c', 3), + ('d', 8), + ('e', 1); diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index c65b3cf..752bc67 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -20,7 +20,7 @@ mod tests { let conn = Connection::open_in_memory_with_flags(flags).unwrap(); - conn.execute("ATTACH DATABASE memvfs_from_file('dummy.db') AS inmem;", ()); + conn.execute("ATTACH DATABASE mem_vfs_uri() AS inmem;", ()); conn.execute("CREATE TABLE t3(x, y)", ()); conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); From 301300994d07b0106830832c762f865cbecb7493 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 11 Oct 2023 16:47:15 +0200 Subject: [PATCH 088/142] diagnose and comment on memory issues; deps updated --- benchmarks/vfs/io_uring/Cargo.lock | 113 +++++++++------------- benchmarks/vfs/io_uring/src/lib.rs | 16 +-- benchmarks/vfs/io_uring/tests/test_ops.rs | 5 - src/vfs/file.rs | 93 ++++++------------ src/vfs/vfs.rs | 11 +-- 5 files changed, 87 insertions(+), 151 deletions(-) diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index 2ef5094..9e4de8f 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -15,9 +15,9 @@ dependencies = [ [[package]] name = "aho-corasick" -version = "1.0.5" +version = "1.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0c378d78423fdad8089616f827526ee33c19f2fddbd5de1629152c9593ba4783" +checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0" dependencies = [ "memchr", ] @@ -82,9 +82,9 @@ checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635" [[package]] name = "byteorder" -version = "1.4.3" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610" +checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b" [[package]] name = "bytes" @@ -92,15 +92,6 @@ version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223" -[[package]] -name = "cc" -version = "1.0.83" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0" -dependencies = [ - "libc", -] - [[package]] name = "cexpr" version = "0.6.0" @@ -194,25 +185,14 @@ dependencies = [ [[package]] name = "errno" -version = "0.3.3" +version = "0.3.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "136526188508e25c6fef639d7927dfb3e0e3084488bf202267829cf7fc23dbdd" +checksum = "ac3e13f66a2f95e32a39eaa81f6b95d42878ca0e1db0c7543723dfe12557e860" dependencies = [ - "errno-dragonfly", "libc", "windows-sys", ] -[[package]] -name = "errno-dragonfly" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf" -dependencies = [ - "cc", - "libc", -] - [[package]] name = "fallible-iterator" version = "0.2.0" @@ -265,9 +245,9 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888" [[package]] name = "hashbrown" -version = "0.14.0" +version = "0.14.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a" +checksum = "7dfda62a12f55daeae5015f81b0baea145391cb4520f86c248fc615d72640d12" dependencies = [ "ahash", "allocator-api2", @@ -279,7 +259,7 @@ version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7" dependencies = [ - "hashbrown 0.14.0", + "hashbrown 0.14.1", ] [[package]] @@ -334,9 +314,9 @@ dependencies = [ [[package]] name = "io-uring" -version = "0.6.1" +version = "0.6.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "141a0f4546a50b2ed637c7a6df0d7dff45c9f41523254996764461c8ae0d9424" +checksum = "460648e47a07a43110fbfa2e0b14afb2be920093c31e5dccc50e49568e099762" dependencies = [ "bitflags 1.3.2", "libc", @@ -362,9 +342,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55" [[package]] name = "libc" -version = "0.2.148" +version = "0.2.149" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b" +checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b" [[package]] name = "libloading" @@ -388,9 +368,9 @@ dependencies = [ [[package]] name = "linux-raw-sys" -version = "0.4.5" +version = "0.4.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57bcfdad1b858c2db7c38303a6d2ad4dfaf5eb53dfeb0910128b2c26d6158503" +checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f" [[package]] name = "log" @@ -409,9 +389,9 @@ dependencies = [ [[package]] name = "memchr" -version = "2.6.3" +version = "2.6.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8f232d6ef707e1956a43342693d2a31e72989554d58299d7a88738cc95b0d35c" +checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167" [[package]] name = "memoffset" @@ -512,9 +492,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de" [[package]] name = "proc-macro2" -version = "1.0.66" +version = "1.0.69" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9" +checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da" dependencies = [ "unicode-ident", ] @@ -569,9 +549,9 @@ dependencies = [ [[package]] name = "regex" -version = "1.9.5" +version = "1.10.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "697061221ea1b4a94a624f67d0ae2bfe4e22b8a17b6a192afb11046542cc8c47" +checksum = "d119d7c7ca818f8a53c300863d4f87566aac09943aef5b355bb83969dae75d87" dependencies = [ "aho-corasick", "memchr", @@ -581,9 +561,9 @@ dependencies = [ [[package]] name = "regex-automata" -version = "0.3.8" +version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c2f401f4955220693b56f8ec66ee9c78abffd8d1c4f23dc41a23839eb88f0795" +checksum = "5d58da636bd923eae52b7e9120271cbefb16f399069ee566ca5ebf9c30e32238" dependencies = [ "aho-corasick", "memchr", @@ -592,9 +572,9 @@ dependencies = [ [[package]] name = "regex-syntax" -version = "0.7.5" +version = "0.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da" +checksum = "c3cbb081b9784b07cceb8824c8583f86db4814d172ab043f3c23f7dc600bf83d" [[package]] name = "rusqlite" @@ -618,9 +598,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2" [[package]] name = "rustix" -version = "0.38.11" +version = "0.38.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c0c3dde1fc030af041adc40e79c0e7fbcf431dd24870053d187d7c66e4b87453" +checksum = "5a74ee2d7c2581cd139b42447d7d9389b889bdaad3a73f1ebb16f2a3237bb19c" dependencies = [ "bitflags 2.4.0", "errno", @@ -661,14 +641,14 @@ checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2" dependencies = [ "proc-macro2", "quote", - "syn 2.0.31", + "syn 2.0.38", ] [[package]] name = "serde_json" -version = "1.0.105" +version = "1.0.107" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "693151e1ac27563d6dbcec9dee9fbd5da8539b20fa14ad3752b2e6d363ace360" +checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65" dependencies = [ "itoa", "ryu", @@ -683,13 +663,13 @@ checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380" [[package]] name = "smallvec" -version = "1.11.0" +version = "1.11.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9" +checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a" [[package]] name = "sqlite-loadable" -version = "0.0.6-alpha.2" +version = "0.0.6-alpha.6" dependencies = [ "bitflags 1.3.2", "serde", @@ -728,7 +708,6 @@ name = "sqlite3ext-sys" version = "0.0.1" dependencies = [ "bindgen", - "cc", ] [[package]] @@ -750,9 +729,9 @@ dependencies = [ [[package]] name = "syn" -version = "2.0.31" +version = "2.0.38" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "718fa2415bcb8d8bd775917a1bf12a7931b6dfa890753378538118181e0cb398" +checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b" dependencies = [ "proc-macro2", "quote", @@ -788,9 +767,9 @@ dependencies = [ [[package]] name = "termcolor" -version = "1.2.0" +version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6" +checksum = "6093bad37da69aab9d123a8091e4be0aa4a03e4d601ec641c327398315f62b64" dependencies = [ "winapi-util", ] @@ -803,22 +782,22 @@ checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d" [[package]] name = "thiserror" -version = "1.0.48" +version = "1.0.49" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9d6d7a740b8a666a7e828dd00da9c0dc290dff53154ea77ac109281de90589b7" +checksum = "1177e8c6d7ede7afde3585fd2513e611227efd6481bd78d2e82ba1ce16557ed4" dependencies = [ "thiserror-impl", ] [[package]] name = "thiserror-impl" -version = "1.0.48" +version = "1.0.49" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "49922ecae66cc8a249b77e68d1d0623c1b2c514f0060c27cdc68bd62a1219d35" +checksum = "10712f02019e9288794769fba95cd6847df9874d49d871d062172f9dd41bc4cc" dependencies = [ "proc-macro2", "quote", - "syn 2.0.31", + "syn 2.0.38", ] [[package]] @@ -844,9 +823,9 @@ checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460" [[package]] name = "unicode-ident" -version = "1.0.11" +version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c" +checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" [[package]] name = "unicode-normalization" @@ -932,9 +911,9 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" [[package]] name = "winapi-util" -version = "0.1.5" +version = "0.1.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178" +checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596" dependencies = [ "winapi", ] diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 63bb39c..d82051c 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -7,6 +7,7 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sq use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; +use sqlite_loadable::vfs::file::{MethodsWithAux, FileWithAux}; use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; use url::Url; @@ -159,9 +160,14 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { wal: false, }; - let name_ptr = ring_vfs.vfs_name.as_ptr(); // allocation is bound to lifetime of struct + // allocation is bound to lifetime of struct + let name_ptr = ring_vfs.vfs_name.as_ptr(); - let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, None); + // let file_size = std::mem::size_of::>(); + // let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, file_size.try_into().unwrap()); + + // vfs_file_size == 0, fixes the stack smash, when Box does the clean up + let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, 0); register_vfs(vfs, true)?; @@ -170,9 +176,3 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { Ok(()) } - - - - - - diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 9f5cf21..24d33e3 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -1,11 +1,6 @@ use std::ffi::CString; use std::os::raw::c_void; -/// EBADF -/// The fd field in the submission queue entry is invalid, -/// or the IOSQE_FIXED_FILE flag was set in the submission queue entry, -/// but no files were registered with the io_uring instance. - #[cfg(test)] mod tests { use super::*; diff --git a/src/vfs/file.rs b/src/vfs/file.rs index caa81ff..1f79052 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -9,13 +9,15 @@ use crate::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; /// Let aux and methods Boxes go out of scope, thus drop, -/// valgrind flags a false positive(?) on x_open -/// sqlite3 clean up the file itself unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.close(); + let result = m.aux.close(); + // disabling reduces leak to 16B, also fixes free-ing invalid pointer + // Box::into_raw(m); + + // disabling crashes valgrind, reason: stack smashing, and free invalid pointer + // setting szOsFile to 0, fixes the stack smashing, only free'ing invalid pointer remains Box::into_raw(f); handle_error(result) } @@ -28,11 +30,9 @@ unsafe extern "C" fn x_read( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.read(buf, iAmt, iOfst); + let result = m.aux.read(buf, iAmt, iOfst); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -45,11 +45,9 @@ unsafe extern "C" fn x_write( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.write(buf, iAmt, iOfst); + let result = m.aux.write(buf, iAmt, iOfst); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -60,11 +58,9 @@ unsafe extern "C" fn x_truncate( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.truncate(size); + let result = m.aux.truncate(size); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -75,11 +71,9 @@ unsafe extern "C" fn x_sync( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.sync(flags); + let result = m.aux.sync(flags); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -90,11 +84,9 @@ unsafe extern "C" fn x_file_size( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.file_size(pSize); + let result = m.aux.file_size(pSize); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -104,11 +96,9 @@ unsafe extern "C" fn x_lock( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.lock(arg2); + let result = m.aux.lock(arg2); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -118,11 +108,9 @@ unsafe extern "C" fn x_unlock( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.unlock(arg2); + let result = m.aux.unlock(arg2); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -132,11 +120,9 @@ unsafe extern "C" fn x_check_reserved_lock( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.check_reserved_lock(pResOut); + let result = m.aux.check_reserved_lock(pResOut); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -147,11 +133,9 @@ unsafe extern "C" fn x_file_control( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.file_control(arg1, op, pArg); + let result = m.aux.file_control(arg1, op, pArg); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -159,22 +143,18 @@ unsafe extern "C" fn x_file_control( unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.sector_size(); + let result = m.aux.sector_size(); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); result } unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.device_characteristics(); + let result = m.aux.device_characteristics(); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); result } @@ -187,11 +167,9 @@ unsafe extern "C" fn x_shm_map( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.shm_map(iPg, pgsz, arg2, arg3); + let result = m.aux.shm_map(iPg, pgsz, arg2, arg3); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -203,11 +181,9 @@ unsafe extern "C" fn x_shm_lock( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.shm_lock(offset, n, flags); + let result = m.aux.shm_lock(offset, n, flags); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -215,13 +191,11 @@ unsafe extern "C" fn x_shm_lock( unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - aux.shm_barrier(); + m.aux.shm_barrier(); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); } unsafe extern "C" fn x_shm_unmap( @@ -230,12 +204,10 @@ unsafe extern "C" fn x_shm_unmap( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.shm_unmap(deleteFlag); + let result = m.aux.shm_unmap(deleteFlag); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -247,12 +219,10 @@ unsafe extern "C" fn x_fetch( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.fetch(iOfst, iAmt, pp); + let result = m.aux.fetch(iOfst, iAmt, pp); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } @@ -263,19 +233,16 @@ unsafe extern "C" fn x_unfetch( ) -> c_int { let mut f = Box::>::from_raw(arg1.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let mut aux = Box::::from_raw(m.aux.cast()); - let result = aux.unfetch(iOfst, p); + let result = m.aux.unfetch(iOfst, p); Box::into_raw(f); Box::into_raw(m); - Box::into_raw(aux); handle_error(result) } // C struct polymorphism, given the alignment and field sequence are the same #[repr(C)] -pub(crate) struct FileWithAux (*const MethodsWithAux); - +pub struct FileWithAux (*const MethodsWithAux); unsafe fn create_io_methods(aux: T) -> MethodsWithAux { MethodsWithAux { @@ -298,7 +265,7 @@ unsafe fn create_io_methods(aux: T) -> MethodsWithAux { xShmUnmap: Some(x_shm_unmap::), xFetch: Some(x_fetch::), xUnfetch: Some(x_unfetch::), - aux: Box::into_raw(Box::new(aux)) + aux } } @@ -309,15 +276,15 @@ pub fn create_file_pointer(actual_methods: T) -> *mut sqlite let p = FileWithAux::(methods_ptr); - let p = Box::into_raw(Box::new(p)); - - p.cast() + // TODO determine false positive: Valgrind reports mismatch malloc/free? 16B + // VALGRINDFLAGS="--leak-check=full --trace-children=yes --verbose --log-file=leaky.txt" cargo valgrind test + Box::into_raw(Box::new(p)).cast() } } #[repr(C)] #[derive(Debug, Copy, Clone)] -pub(crate) struct MethodsWithAux { +pub struct MethodsWithAux { pub iVersion: ::std::os::raw::c_int, pub xClose: ::std::option::Option< unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, @@ -423,5 +390,5 @@ pub(crate) struct MethodsWithAux { p: *mut ::std::os::raw::c_void, ) -> ::std::os::raw::c_int, >, - pub aux: *mut T, + pub aux: T, } \ No newline at end of file diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index d156d63..5caac14 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -256,25 +256,20 @@ unsafe extern "C" fn x_next_system_call( result } -pub fn create_vfs(vfs: T, name_ptr: *const c_char, max_path_name_size: i32, vfs_file_size: Option) -> sqlite3_vfs { +pub fn create_vfs(aux: T, name_ptr: *const c_char, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { unsafe { - let vfs_ptr = Box::into_raw(Box::::new(vfs)); + let vfs_ptr = Box::into_raw(Box::::new(aux)); /// According to the documentation: /// At least vfs_file_size bytes of memory are allocated by SQLite to hold the sqlite3_file /// structure passed as the third argument to xOpen. The xOpen method does not have to /// allocate the structure; it should just fill it in. - /// - /// But dropping seems to work without any leaks, double frees etc. - - let min_vfs_file_size = vfs_file_size.unwrap_or(0); - sqlite3_vfs { iVersion: 3, pNext: ptr::null_mut(), pAppData: vfs_ptr.cast(), // raw box pointers sizes are all the same - szOsFile: min_vfs_file_size, + szOsFile: vfs_file_size, mxPathname: max_path_name_size, zName: name_ptr, From 238c41cc10ed6860a9975354b3d4fbf4e92353c7 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 16 Oct 2023 20:27:22 +0200 Subject: [PATCH 089/142] the sqlite3_file ptr offset by one trick to shim on does not work committing anyway --- benchmarks/vfs/io_uring/.gitignore | 2 + benchmarks/vfs/io_uring/iouring.sql | 22 +++ benchmarks/vfs/io_uring/iouring.wal.sql | 18 +++ benchmarks/vfs/io_uring/src/lib.rs | 24 +++- benchmarks/vfs/io_uring/src/ops.rs | 75 ++++++---- benchmarks/vfs/io_uring/tests/test_vfs.rs | 8 +- include/mem_vfs.in.rs | 47 +++--- src/ext.rs | 14 +- src/lib.rs | 2 +- src/vfs/file.rs | 168 ++++++++++++---------- src/vfs/traits.rs | 28 ++-- src/vfs/vfs.rs | 16 ++- 12 files changed, 267 insertions(+), 157 deletions(-) create mode 100644 benchmarks/vfs/io_uring/iouring.sql create mode 100644 benchmarks/vfs/io_uring/iouring.wal.sql diff --git a/benchmarks/vfs/io_uring/.gitignore b/benchmarks/vfs/io_uring/.gitignore index 12497cd..d5654db 100644 --- a/benchmarks/vfs/io_uring/.gitignore +++ b/benchmarks/vfs/io_uring/.gitignore @@ -1,2 +1,4 @@ *.db *-journal +sqlite3 +leaky.txt diff --git a/benchmarks/vfs/io_uring/iouring.sql b/benchmarks/vfs/io_uring/iouring.sql new file mode 100644 index 0000000..3e70f1e --- /dev/null +++ b/benchmarks/vfs/io_uring/iouring.sql @@ -0,0 +1,22 @@ +.mode box +.header on + +.load target/debug/lib_iouringvfs +.eqp full +-- trace not supported in version: 3.40.1 2022-12-28 14:03:47 df5c253c0b3dd24916e4ec7cf77d3db5294cc9fd45ae7b9c5e82ad8197f3alt1 + +SELECT io_uring_vfs_from_file('iouring-ext.db'); + +ATTACH io_uring_vfs_from_file('iouring-ext.db') AS "iouring-ext"; + +.open "iouring-ext.db" + +.vfslist + +CREATE TABLE t3(x varchar(10), y integer); + +INSERT INTO t3 VALUES('a', 4), + ('b', 5), + ('c', 3), + ('d', 8), + ('e', 1); diff --git a/benchmarks/vfs/io_uring/iouring.wal.sql b/benchmarks/vfs/io_uring/iouring.wal.sql new file mode 100644 index 0000000..429034d --- /dev/null +++ b/benchmarks/vfs/io_uring/iouring.wal.sql @@ -0,0 +1,18 @@ +.mode box +.header on + +.load target/debug/lib_iouringvfs + +SELECT io_uring_vfs_from_file('iouring.ext.wal.db'); + +ATTACH io_uring_vfs_from_file('iouring.ext.wal.db') AS "iouring.ext.wal"; + +-- PRAGMA locking_mode = NORMAL; + +CREATE TABLE t3(x varchar(10), y integer); + +INSERT INTO t3 VALUES('a', 4), + ('b', 5), + ('c', 3), + ('d', 8), + ('e', 1); diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index d82051c..dab5ddc 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -3,12 +3,12 @@ pub mod ops; use ops::Ops; -use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; +use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control, sqlite3ext_vfs_register, sqlite3ext_database_file_object}; use sqlite_loadable::vfs::default::DefaultVfs; -use sqlite_loadable::vfs::vfs::create_vfs; +use sqlite_loadable::vfs::vfs::{create_vfs, handle_vfs_result}; use sqlite_loadable::vfs::file::{MethodsWithAux, FileWithAux}; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; use url::Url; use std::ffi::{CString, CStr}; @@ -50,6 +50,8 @@ impl SqliteVfs for IoUringVfs { unsafe { *p_res_out |= SQLITE_OPEN_WAL; } self.wal = true; } + + let db_file_obj = unsafe { sqlite3ext_database_file_object(file_path.as_ptr()) }; Ok(()) } @@ -151,17 +153,27 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - #[sqlite_entrypoint_permanent] pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); + + let shimmed_name = CString::new("unix-dotfile").unwrap(); + let shimmed_vfs_char = shimmed_name.as_ptr() as *const c_char; + let shimmed_vfs = unsafe { sqlite3ext_vfs_find(shimmed_vfs_char) }; + + unsafe { + let result = sqlite3ext_vfs_register(shimmed_vfs, 1); + handle_vfs_result(result)?; + } + let ring_vfs = IoUringVfs { default_vfs: unsafe { // pass thru - DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) + DefaultVfs::from_ptr(shimmed_vfs) }, vfs_name, wal: false, }; // allocation is bound to lifetime of struct - let name_ptr = ring_vfs.vfs_name.as_ptr(); + let name_ptr = ring_vfs.vfs_name.as_ptr(); // let file_size = std::mem::size_of::>(); // let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, file_size.try_into().unwrap()); @@ -169,7 +181,7 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { // vfs_file_size == 0, fixes the stack smash, when Box does the clean up let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, 0); - register_vfs(vfs, true)?; + register_boxed_vfs(vfs, false)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; define_scalar_function(db, "io_uring_vfs_from_file", 1, vfs_from_file, flags)?; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 42cd547..a8b73ee 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -4,7 +4,6 @@ use std::os::raw::c_void; use std::fs::File; use std::os::unix::io::{FromRawFd,AsRawFd}; -use sqlite_loadable::vfs::default::DefaultFile; use sqlite_loadable::{Result, Error, ErrorKind, SqliteIoMethods}; use sqlite3ext_sys::sqlite3_file; use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, @@ -33,7 +32,6 @@ pub struct Ops { ring: IoUring, file_path: CString, file_fd: Option, - default_file: Option, } impl Ops { @@ -45,7 +43,6 @@ impl Ops { ring, file_path, file_fd: None, - default_file: None, } } @@ -252,86 +249,108 @@ impl Ops { } impl SqliteIoMethods for Ops { - fn close(&mut self) -> Result<()> { + fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { unsafe { self.o_close() } } - fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { unsafe { self.o_read(ofst as u64, s as u32, buf) } } - fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + fn write(&mut self, file: *mut sqlite3_file, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { unsafe { self.o_write(buf, ofst as u64, s as u32) } } - fn truncate(&mut self, size: i64) -> Result<()> { + fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { unsafe { self.o_truncate(size) } } - fn sync(&mut self, flags: i32) -> Result<()> { + fn sync(&mut self, file: *mut sqlite3_file, flags: i32) -> Result<()> { unsafe { self.o_fsync(flags) } } - fn file_size(&mut self, p_size: *mut i64) -> Result<()> { + fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()> { unsafe { self.o_file_size(p_size as *mut u64) } } - fn lock(&mut self, arg2: i32) -> Result<()> { - Ok(()) + fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { + unsafe { + let next_file: *mut sqlite3_file = file.offset(1); + if let Some(f) = (*(*next_file).pMethods).xLock { + f(file, arg2) + }else { + 0 + } + } } - fn unlock(&mut self, arg2: i32) -> Result<()> { - Ok(()) + fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { + unsafe { + let next_file: *mut sqlite3_file = file.offset(1); + if let Some(f) = (*(*next_file).pMethods).xUnlock { + f(file, arg2) + }else { + 0 + } + } } - fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { - unsafe{ *p_res_out = 0; } - Ok(()) + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> i32 { + unsafe { + let next_file: *mut sqlite3_file = file.offset(1); + if let Some(f) = (*(*next_file).pMethods).xCheckReservedLock { + f(file, p_res_out) + }else { + 0 + } + } } /// See https://www.sqlite.org/c3ref/file_control.html /// and also https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { - if let None = self.default_file { - let orig_file: *mut sqlite3_file = unsafe { file.offset(1) }; - self.default_file = Some(DefaultFile::from_ptr(orig_file)); - } + // unsafe { + // let next_file: *mut sqlite3_file = file.offset(1); + // if let Some(f) = (*(*next_file).pMethods).xFileControl { + // f(next_file, op, p_arg); + // } + // } Ok(()) } - fn sector_size(&mut self) -> i32 { + fn sector_size(&mut self, file: *mut sqlite3_file) -> i32 { 1024 } - fn device_characteristics(&mut self) -> i32 { + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> i32 { SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | SQLITE_IOCAP_SEQUENTIAL } - fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) } - fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { + fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { // SQLITE_IOERR_SHMLOCK is deprecated? Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) } - fn shm_barrier(&mut self) -> Result<()> { + fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { Ok(()) } - fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { + fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: i32) -> Result<()> { Ok(()) } - fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, file: *mut sqlite3_file, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { unsafe { self.o_fetch(ofst as u64, size as u32, pp) } } - fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { Ok(()) } } \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index c1763ec..0c30f88 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -13,8 +13,8 @@ mod tests { let file_path = "test_iouring.db"; - let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; - let conn = Connection::open_in_memory_with_flags(flags).unwrap(); + let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE; + let conn = Connection::open_with_flags_and_vfs(file_path, flags, "unix")?; let stmt = format!("ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", file_path); let stmt_str = stmt.as_str(); @@ -42,8 +42,8 @@ mod tests { let file_path = "test_iouring.wal.db"; - let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; - let conn = Connection::open_in_memory_with_flags(flags).unwrap(); + let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE; + let conn = Connection::open_with_flags_and_vfs(file_path, flags, "unix")?; let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); let stmt_str = stmt.as_str(); diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index 2ac673c..d6a8aec 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -2,7 +2,7 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sq use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; use std::ffi::{CString, CStr}; use std::fs::{File, self}; @@ -134,11 +134,11 @@ struct MemFile { } impl SqliteIoMethods for MemFile { - fn close(&mut self) -> Result<()> { + fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { Ok(()) } - fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { let size: usize = s.try_into().unwrap(); let offset = ofst.try_into().unwrap(); let source = &mut self.file_contents; @@ -155,7 +155,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + fn write(&mut self, file: *mut sqlite3_file, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { let size = s.try_into().unwrap(); let offset = ofst.try_into().unwrap(); let new_length = size + offset; @@ -172,73 +172,72 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn truncate(&mut self, size: i64) -> Result<()> { + fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { self.file_contents.resize(size.try_into().unwrap(), 0); Ok(()) } - fn sync(&mut self, flags: i32) -> Result<()> { + fn sync(&mut self, file: *mut sqlite3_file, flags: i32) -> Result<()> { Ok(()) } - fn file_size(&mut self, p_size: *mut i64) -> Result<()> { + fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()> { unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } Ok(()) } - fn lock(&mut self, arg2: i32) -> Result<()> { - Ok(()) + fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { + 0 } - fn unlock(&mut self, arg2: i32) -> Result<()> { - Ok(()) + fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { + 0 } - fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> i32 { unsafe{ *p_res_out = 0; } - Ok(()) + 0 } fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { Ok(()) } - fn sector_size(&mut self) -> i32 { + fn sector_size(&mut self, file: *mut sqlite3_file) -> i32 { 1024 } - fn device_characteristics(&mut self) -> i32 { + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> i32 { SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | SQLITE_IOCAP_SEQUENTIAL } - fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) } - fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { - // SQLITE_IOERR_SHMLOCK is deprecated? + fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) } - fn shm_barrier(&mut self) -> Result<()> { + fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { Ok(()) } - fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { + fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: i32) -> Result<()> { Ok(()) } - fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, file: *mut sqlite3_file, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { let memory_location = self.file_contents.as_mut_ptr(); unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } Ok(()) } - fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { Ok(()) } } @@ -263,8 +262,8 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { }; let name_ptr = mem_vfs.name.as_ptr(); - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, None); - register_vfs(vfs, true)?; + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, 0); + register_boxed_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; define_scalar_function(db, "mem_vfs_uri", 0, print_uri, flags)?; diff --git a/src/ext.rs b/src/ext.rs index 4928386..6e52874 100644 --- a/src/ext.rs +++ b/src/ext.rs @@ -17,16 +17,17 @@ use std::{ #[cfg(feature = "static")] pub use libsqlite3_sys::{ - sqlite3, sqlite3_api_routines, sqlite3_context, + sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_file, sqlite3_index_constraint as sqlite3_index_info_sqlite3_index_constraint, sqlite3_index_constraint_usage as sqlite3_index_info_sqlite3_index_constraint_usage, sqlite3_index_info, sqlite3_index_orderby as sqlite3_index_info_sqlite3_index_orderby, sqlite3_module, sqlite3_stmt, sqlite3_value, sqlite3_vtab, sqlite3_vtab_cursor, + sqlite3_database_file_object }; #[cfg(not(feature = "static"))] pub use sqlite3ext_sys::{ - sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_index_info, + sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_index_info, sqlite3_file, sqlite3_index_info_sqlite3_index_constraint, sqlite3_index_info_sqlite3_index_constraint_usage, sqlite3_index_info_sqlite3_index_orderby, sqlite3_module, sqlite3_stmt, sqlite3_value, sqlite3_vtab, sqlite3_vtab_cursor, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, sqlite3_vfs, sqlite3_file_control @@ -672,3 +673,12 @@ pub unsafe fn sqlite3ext_auto_extension(f: unsafe extern "C" fn()) -> i32 { pub unsafe fn sqlite3ext_auto_extension(f: unsafe extern "C" fn()) -> i32 { ((*SQLITE3_API).auto_extension.expect(EXPECT_MESSAGE))(Some(f)) } + +#[cfg(feature = "static")] +pub unsafe fn sqlite3ext_database_file_object(s: *const c_char) -> i32 { + libsqlite3_sys::sqlite3_database_file_object(s) +} +#[cfg(not(feature = "static"))] +pub unsafe fn sqlite3ext_database_file_object(s: *const c_char) -> *mut sqlite3_file { + ((*SQLITE3_API).database_file_object.expect(EXPECT_MESSAGE))(s) +} diff --git a/src/lib.rs b/src/lib.rs index a057c5d..e915a07 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -31,6 +31,6 @@ pub use table::{ }; #[doc(inline)] -pub use vfs::vfs::register_vfs; +pub use vfs::vfs::register_boxed_vfs; pub use vfs::file::create_file_pointer; pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 1f79052..a8ee0bb 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -8,29 +8,44 @@ use crate::{vfs::traits::SqliteIoMethods}; use crate::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; +// TODO use libsqlite3-dev, check installed: dpkg-query -l | grep sqlite + +// Before setting break, enter gdb, run with parameters, then just directly crash it, then run 'where' + +// Get only file numbers of matched pattern of crash revealed by valgrind, then sed to break on gdb: +// egrep -n "isOpen\(pPager->fd" ./sqlite3.c | grep assert | cut -f1 -d: | sed 's/^/break sqlite3.c:/' + +// Segfaults: +// valgrind --leak-check=full --track-origins=yes --trace-children=yes --show-leak-kinds=all --log-file=leaky.txt sqlite3 --init iouring.sql + +// Cause of crash, because io_method is dropped by the box when into_raw is enabled +// #define isOpen(pFd) ((pFd)->pMethods!=0) + /// Let aux and methods Boxes go out of scope, thus drop, -unsafe extern "C" fn x_close(arg1: *mut sqlite3_file) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); +unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_int { + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.close(); - // disabling reduces leak to 16B, also fixes free-ing invalid pointer + let result = m.aux.close(file); + // disabling reduces leak to 16B, also fixes free-ing invalid pointer, on rusql, sqlite3 just crashes // Box::into_raw(m); // disabling crashes valgrind, reason: stack smashing, and free invalid pointer // setting szOsFile to 0, fixes the stack smashing, only free'ing invalid pointer remains Box::into_raw(f); + + // Disabling both fails the unit tests, free(): invalid pointer handle_error(result) } unsafe extern "C" fn x_read( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, buf: *mut c_void, iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.read(buf, iAmt, iOfst); + let result = m.aux.read(file, buf, iAmt, iOfst); Box::into_raw(f); Box::into_raw(m); handle_error(result) @@ -38,14 +53,14 @@ unsafe extern "C" fn x_read( unsafe extern "C" fn x_write( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, buf: *const c_void, iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.write(buf, iAmt, iOfst); + let result = m.aux.write(file, buf, iAmt, iOfst); Box::into_raw(f); Box::into_raw(m); handle_error(result) @@ -53,12 +68,12 @@ unsafe extern "C" fn x_write( unsafe extern "C" fn x_truncate( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.truncate(size); + let result = m.aux.truncate(file, size); Box::into_raw(f); Box::into_raw(m); handle_error(result) @@ -66,12 +81,12 @@ unsafe extern "C" fn x_truncate( unsafe extern "C" fn x_sync( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, flags: c_int, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.sync(flags); + let result = m.aux.sync(file, flags); Box::into_raw(f); Box::into_raw(m); handle_error(result) @@ -79,162 +94,162 @@ unsafe extern "C" fn x_sync( unsafe extern "C" fn x_file_size( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.file_size(pSize); + let result = m.aux.file_size(file, pSize); Box::into_raw(f); Box::into_raw(m); handle_error(result) } unsafe extern "C" fn x_lock( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.lock(arg2); + let result = m.aux.lock(file, arg2); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + result } unsafe extern "C" fn x_unlock( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, arg2: c_int, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.unlock(arg2); + let result = m.aux.unlock(file, arg2); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + result } unsafe extern "C" fn x_check_reserved_lock( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.check_reserved_lock(pResOut); + let result = m.aux.check_reserved_lock(file, pResOut); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + result } unsafe extern "C" fn x_file_control( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, op: c_int, pArg: *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.file_control(arg1, op, pArg); + let result = m.aux.file_control(file, op, pArg); Box::into_raw(f); Box::into_raw(m); handle_error(result) } -unsafe extern "C" fn x_sector_size(arg1: *mut sqlite3_file) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); +unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) -> c_int { + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.sector_size(); + let result = m.aux.sector_size(file); Box::into_raw(f); Box::into_raw(m); result } -unsafe extern "C" fn x_device_characteristics(arg1: *mut sqlite3_file) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); +unsafe extern "C" fn x_device_characteristics(file: *mut sqlite3_file) -> c_int { + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.device_characteristics(); + let result = m.aux.device_characteristics(file); Box::into_raw(f); Box::into_raw(m); result } unsafe extern "C" fn x_shm_map( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, iPg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.shm_map(iPg, pgsz, arg2, arg3); + let result = m.aux.shm_map(file, iPg, pgsz, arg2, arg3); Box::into_raw(f); Box::into_raw(m); handle_error(result) } unsafe extern "C" fn x_shm_lock( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, offset: c_int, n: c_int, flags: c_int, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.shm_lock(offset, n, flags); + let result = m.aux.shm_lock(file, offset, n, flags); Box::into_raw(f); Box::into_raw(m); handle_error(result) } -unsafe extern "C" fn x_shm_barrier(arg1: *mut sqlite3_file) { - let mut f = Box::>::from_raw(arg1.cast::>()); +unsafe extern "C" fn x_shm_barrier(file: *mut sqlite3_file) { + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - m.aux.shm_barrier(); + m.aux.shm_barrier(file); Box::into_raw(f); Box::into_raw(m); } unsafe extern "C" fn x_shm_unmap( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.shm_unmap(deleteFlag); + let result = m.aux.shm_unmap(file, deleteFlag); Box::into_raw(f); Box::into_raw(m); handle_error(result) } unsafe extern "C" fn x_fetch( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, iOfst: sqlite3_int64, iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.fetch(iOfst, iAmt, pp); + let result = m.aux.fetch(file, iOfst, iAmt, pp); Box::into_raw(f); Box::into_raw(m); handle_error(result) } unsafe extern "C" fn x_unfetch( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(arg1.cast::>()); + let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.unfetch(iOfst, p); + let result = m.aux.unfetch(file, iOfst, p); Box::into_raw(f); Box::into_raw(m); handle_error(result) @@ -287,11 +302,11 @@ pub fn create_file_pointer(actual_methods: T) -> *mut sqlite pub struct MethodsWithAux { pub iVersion: ::std::os::raw::c_int, pub xClose: ::std::option::Option< - unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, + unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, >, pub xRead: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, arg2: *mut ::std::os::raw::c_void, iAmt: ::std::os::raw::c_int, iOfst: sqlite3_int64, @@ -299,61 +314,62 @@ pub struct MethodsWithAux { >, pub xWrite: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, arg2: *const ::std::os::raw::c_void, iAmt: ::std::os::raw::c_int, iOfst: sqlite3_int64, ) -> ::std::os::raw::c_int, >, pub xTruncate: ::std::option::Option< - unsafe extern "C" fn(arg1: *mut sqlite3_file, size: sqlite3_int64) -> ::std::os::raw::c_int, + unsafe extern "C" fn(file: *mut sqlite3_file, size: sqlite3_int64) -> ::std::os::raw::c_int, >, pub xSync: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, flags: ::std::os::raw::c_int, ) -> ::std::os::raw::c_int, >, pub xFileSize: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> ::std::os::raw::c_int, >, pub xLock: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, arg2: ::std::os::raw::c_int, ) -> ::std::os::raw::c_int, >, pub xUnlock: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, arg2: ::std::os::raw::c_int, ) -> ::std::os::raw::c_int, >, pub xCheckReservedLock: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, pResOut: *mut ::std::os::raw::c_int, ) -> ::std::os::raw::c_int, >, pub xFileControl: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, op: ::std::os::raw::c_int, pArg: *mut ::std::os::raw::c_void, ) -> ::std::os::raw::c_int, >, pub xSectorSize: ::std::option::Option< - unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, + unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, >, pub xDeviceCharacteristics: ::std::option::Option< - unsafe extern "C" fn(arg1: *mut sqlite3_file) -> ::std::os::raw::c_int, + unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, >, + // shm = shared memory pub xShmMap: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, iPg: ::std::os::raw::c_int, pgsz: ::std::os::raw::c_int, arg2: ::std::os::raw::c_int, @@ -362,22 +378,22 @@ pub struct MethodsWithAux { >, pub xShmLock: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, offset: ::std::os::raw::c_int, n: ::std::os::raw::c_int, flags: ::std::os::raw::c_int, ) -> ::std::os::raw::c_int, >, - pub xShmBarrier: ::std::option::Option, + pub xShmBarrier: ::std::option::Option, pub xShmUnmap: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, deleteFlag: ::std::os::raw::c_int, ) -> ::std::os::raw::c_int, >, pub xFetch: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, iOfst: sqlite3_int64, iAmt: ::std::os::raw::c_int, pp: *mut *mut ::std::os::raw::c_void, @@ -385,7 +401,7 @@ pub struct MethodsWithAux { >, pub xUnfetch: ::std::option::Option< unsafe extern "C" fn( - arg1: *mut sqlite3_file, + file: *mut sqlite3_file, iOfst: sqlite3_int64, p: *mut ::std::os::raw::c_void, ) -> ::std::os::raw::c_int, diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index fe23ece..0c85388 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -7,38 +7,42 @@ use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; // TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement pub trait SqliteIoMethods { - fn close(&mut self) -> Result<()>; + fn close(&mut self, file: *mut sqlite3_file) -> Result<()>; fn read( &mut self, + file: *mut sqlite3_file, buf: *mut c_void, i_amt: i32, i_ofst: i64, ) -> Result<()>; fn write( &mut self, + file: *mut sqlite3_file, buf: *const c_void, i_amt: i32, i_ofst: i64, ) -> Result<()>; - fn truncate(&mut self, size: i64) -> Result<()>; - fn sync(&mut self, flags: c_int) -> Result<()>; - fn file_size(&mut self, p_size: *mut i64) -> Result<()>; - fn lock(&mut self, arg2: c_int) -> Result<()>; - fn unlock(&mut self, arg2: c_int) -> Result<()>; + fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()>; + fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()>; + fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()>; + fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> c_int; + fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> c_int; fn check_reserved_lock( &mut self, + file: *mut sqlite3_file, p_res_out: *mut c_int, - ) -> Result<()>; + ) -> c_int; fn file_control( &mut self, file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void, ) -> Result<()>; - fn sector_size(&mut self) -> c_int; - fn device_characteristics(&mut self) -> c_int; + fn sector_size(&mut self, file: *mut sqlite3_file) -> c_int; + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> c_int; fn shm_map( &mut self, + file: *mut sqlite3_file, i_pg: c_int, pgsz: c_int, arg2: c_int, @@ -46,23 +50,27 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn shm_lock( &mut self, + file: *mut sqlite3_file, offset: c_int, n: c_int, flags: c_int, ) -> Result<()>; - fn shm_barrier(&mut self) -> Result<()>; + fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()>; fn shm_unmap( &mut self, + file: *mut sqlite3_file, delete_flag: c_int, ) -> Result<()>; fn fetch( &mut self, + file: *mut sqlite3_file, i_ofst: i64, i_amt: c_int, pp: *mut *mut c_void, ) -> Result<()>; fn unfetch( &mut self, + file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void, ) -> Result<()>; diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 5caac14..924c17e 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -7,7 +7,7 @@ use std::os::raw::{c_int, c_char, c_void}; use std::ptr; use std::rc::Rc; -use crate::ext::sqlite3ext_vfs_register; +use crate::ext::{sqlite3ext_vfs_register, sqlite3ext_vfs_find}; use crate::{ErrorKind, Error}; use super::traits::SqliteVfs; @@ -304,14 +304,18 @@ pub fn create_vfs(aux: T, name_ptr: *const c_char, max_path_name_s } } -pub fn register_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result<()> { - let translate_to_int = if make_default { 1 } else { 0 }; - - let result = unsafe { sqlite3ext_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; - +pub fn handle_vfs_result(result: i32) -> crate::Result<()> { if result == 0 { Ok(()) } else { Err(Error::new_message(format!("sqlite3_vfs_register failed with error code: {}", result))) } } + +pub fn register_boxed_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result<()> { + let translate_to_int = if make_default { 1 } else { 0 }; + + let result = unsafe { sqlite3ext_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; + + handle_vfs_result(result) +} From 799eeba59380b163eae2142dea385e32359faff4 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 19 Oct 2023 02:22:29 +0200 Subject: [PATCH 090/142] reduce required callbacks to implement; reduce implementation details until locking works --- Cargo.toml | 2 + include/mem_vfs.in.rs | 44 +++++++++++----------- src/vfs/default.rs | 85 +++++++++++++++++++++---------------------- src/vfs/traits.rs | 15 +++++++- src/vfs/vfs.rs | 31 ++++++++++++++++ 5 files changed, 111 insertions(+), 66 deletions(-) diff --git a/Cargo.toml b/Cargo.toml index e5af7f6..bd2899f 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -24,6 +24,8 @@ libsqlite3-sys = {version="0.26.0", default-features = false, features=["bundled [features] static = ["libsqlite3-sys"] exec = [] +vfs_syscall = [] +vfs_loadext = [] [lib] doctest = false diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index d6a8aec..a3ae35b 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -79,22 +79,22 @@ impl SqliteVfs for MemVfs { } /// From here onwards, all calls are redirected to the default vfs - fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { - self.default_vfs.dl_open(z_filename) - } + // fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { + // self.default_vfs.dl_open(z_filename) + // } - fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { - self.default_vfs.dl_error(n_byte, z_err_msg) - } + // fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { + // self.default_vfs.dl_error(n_byte, z_err_msg) + // } - fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) - -> Option { - self.default_vfs.dl_sym(arg2, z_symbol) - } + // fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) + // -> Option { + // self.default_vfs.dl_sym(arg2, z_symbol) + // } - fn dl_close(&mut self, arg2: *mut c_void) { - self.default_vfs.dl_close(arg2) - } + // fn dl_close(&mut self, arg2: *mut c_void) { + // self.default_vfs.dl_close(arg2) + // } fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { self.default_vfs.randomness(n_byte, z_out) @@ -116,17 +116,17 @@ impl SqliteVfs for MemVfs { self.default_vfs.current_time_int64(arg2) } - fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { - self.default_vfs.set_system_call(z_name, arg2) - } + // fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { + // self.default_vfs.set_system_call(z_name, arg2) + // } - fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { - self.default_vfs.get_system_call(z_name) - } + // fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { + // self.default_vfs.get_system_call(z_name) + // } - fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { - self.default_vfs.next_system_call(z_name) - } + // fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { + // self.default_vfs.next_system_call(z_name) + // } } struct MemFile { diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 0e9d85b..08d4b83 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -100,6 +100,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_loadext")] fn dl_open( &mut self, z_filename: *const c_char, @@ -113,6 +114,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_loadext")] fn dl_error( &mut self, n_byte: c_int, @@ -125,6 +127,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_loadext")] fn dl_sym( &mut self, arg2: *mut c_void, @@ -138,6 +141,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_loadext")] fn dl_close( &mut self, arg2: *mut c_void, @@ -221,6 +225,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_syscall")] fn set_system_call( &mut self, z_name: *const c_char, @@ -235,6 +240,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_syscall")] fn get_system_call( &mut self, z_name: *const c_char, @@ -248,6 +254,7 @@ impl SqliteVfs for DefaultVfs { } } + #[cfg(feature = "vfs_syscall")] fn next_system_call( &mut self, z_name: *const c_char, @@ -271,6 +278,12 @@ pub struct DefaultFile { impl DefaultFile { pub fn from_ptr(file_ptr: *mut sqlite3_file) -> Self { + if file_ptr.is_null() { + return Self { + file_ptr, + methods_ptr: ptr::null_mut(), + }; + } Self { file_ptr, methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut() @@ -279,7 +292,7 @@ impl DefaultFile { } impl SqliteIoMethods for DefaultFile { - fn close(&mut self) -> Result<()> { + fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { unsafe { if let Some(xClose) = ((*self.methods_ptr).xClose) { let result = xClose(self.file_ptr); @@ -294,10 +307,10 @@ impl SqliteIoMethods for DefaultFile { } } - fn read(&mut self, buf: *mut c_void, i_amt: i32, i_ofst: i64) -> Result<()> { + fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { unsafe { if let Some(xRead) = ((*self.methods_ptr).xRead) { - let result = xRead(self.file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); + let result = xRead(self.file_ptr, buf, s, ofst); if result == 1 { Ok(()) } else { @@ -311,13 +324,14 @@ impl SqliteIoMethods for DefaultFile { fn write( &mut self, + file: *mut sqlite3_file, buf: *const c_void, i_amt: i32, i_ofst: i64, ) -> Result<()> { unsafe { if let Some(xWrite) = ((*self.methods_ptr).xWrite) { - let result = xWrite(self.file_ptr, buf, i_amt.try_into().unwrap(), i_ofst.try_into().unwrap()); + let result = xWrite(self.file_ptr, buf, i_amt, i_ofst); if result == 1 { Ok(()) } else { @@ -329,10 +343,10 @@ impl SqliteIoMethods for DefaultFile { } } - fn truncate(&mut self, size: i64) -> Result<()> { + fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { unsafe { if let Some(xTruncate) = ((*self.methods_ptr).xTruncate) { - let result = xTruncate(self.file_ptr, size.try_into().unwrap()); + let result = xTruncate(self.file_ptr, size); if result == 1 { Ok(()) } else { @@ -344,7 +358,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn sync(&mut self, flags: c_int) -> Result<()> { + fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()> { unsafe { if let Some(xSync) = ((*self.methods_ptr).xSync) { let result = xSync(self.file_ptr,flags); @@ -359,7 +373,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { + fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut sqlite3_int64) -> Result<()> { unsafe { if let Some(xFileSize) = ((*self.methods_ptr).xFileSize) { let result = xFileSize(self.file_ptr,p_size); @@ -374,47 +388,32 @@ impl SqliteIoMethods for DefaultFile { } } - fn lock(&mut self, arg2: c_int) -> Result<()> { + fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> i32 { unsafe { if let Some(xLock) = ((*self.methods_ptr).xLock) { - let result = xLock(self.file_ptr,arg2); - if result == 1 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } - } else { - Err(Error::new_message("Missing function")) + xLock(self.file_ptr, arg2) + }else { + 0 } } } - fn unlock(&mut self, arg2: c_int) -> Result<()> { + fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> i32 { unsafe { if let Some(xUnlock) = ((*self.methods_ptr).xUnlock) { - let result = xUnlock(self.file_ptr,arg2); - if result == 1 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + xUnlock(self.file_ptr,arg2) } else { - Err(Error::new_message("Missing function")) + 0 } } } - fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()> { + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut c_int) -> i32 { unsafe { if let Some(xCheckReservedLock) = ((*self.methods_ptr).xCheckReservedLock) { - let result = xCheckReservedLock(self.file_ptr, p_res_out); - if result == 1 { - Ok(()) - } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) - } + xCheckReservedLock(self.file_ptr, p_res_out) } else { - Err(Error::new_message("Missing function")) + 0 } } } @@ -434,7 +433,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn sector_size(&mut self) -> c_int { + fn sector_size(&mut self, file: *mut sqlite3_file) -> c_int { unsafe { if let Some(xSectorSize) = ((*self.methods_ptr).xSectorSize) { xSectorSize(self.file_ptr) @@ -444,7 +443,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn device_characteristics(&mut self) -> c_int { + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> c_int { unsafe { if let Some(xDeviceCharacteristics) = ((*self.methods_ptr).xDeviceCharacteristics) { xDeviceCharacteristics(self.file_ptr) @@ -454,7 +453,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn shm_map(&mut self, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { unsafe { if let Some(xShmMap) = ((*self.methods_ptr).xShmMap) { let result = xShmMap(self.file_ptr,i_pg, pgsz, arg2, arg3); @@ -469,7 +468,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + fn shm_lock(&mut self, file: *mut sqlite3_file, offset: c_int, n: c_int, flags: c_int) -> Result<()> { unsafe { if let Some(xShmLock) = ((*self.methods_ptr).xShmLock) { let result = xShmLock(self.file_ptr,offset, n, flags); @@ -484,7 +483,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn shm_barrier(&mut self) -> Result<()> { + fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { unsafe { if let Some(xShmBarrier) = ((*self.methods_ptr).xShmBarrier) { xShmBarrier(self.file_ptr); @@ -495,7 +494,7 @@ impl SqliteIoMethods for DefaultFile { } } - fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { + fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: c_int) -> Result<()> { unsafe { if let Some(xShmUnmap) = ((*self.methods_ptr).xShmUnmap) { let result = xShmUnmap(self.file_ptr, delete_flag); @@ -510,10 +509,10 @@ impl SqliteIoMethods for DefaultFile { } } - fn fetch(&mut self, i_ofst: i64, i_amt: i32, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, i_amt: i32, pp: *mut *mut c_void) -> Result<()> { unsafe { if let Some(xFetch) = ((*self.methods_ptr).xFetch) { - let result = xFetch(self.file_ptr, i_ofst.try_into().unwrap(), i_amt.try_into().unwrap(), pp); + let result = xFetch(self.file_ptr, i_ofst, i_amt, pp); if result == 1 { Ok(()) } else { @@ -525,10 +524,10 @@ impl SqliteIoMethods for DefaultFile { } } - fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { unsafe { if let Some(xUnfetch) = ((*self.methods_ptr).xUnfetch) { - let result = xUnfetch(self.file_ptr, i_ofst.try_into().unwrap(), p); + let result = xUnfetch(self.file_ptr, i_ofst, p); if result == 1 { Ok(()) } else { diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 0c85388..71e475c 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -2,7 +2,13 @@ use crate::errors::Result; use std::os::raw::{c_int, c_void, c_char}; -use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs}; +use sqlite3ext_sys::sqlite3_file; + +#[cfg(feature = "vfs_loadext")] +use sqlite3ext_sys::sqlite3_vfs; + +#[cfg(feature = "vfs_syscall")] +use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_vfs}; // TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement @@ -106,17 +112,20 @@ pub trait SqliteVfs { z_out: *mut c_char, ) -> Result<()>; + #[cfg(feature = "vfs_loadext")] fn dl_open( &mut self, z_filename: *const c_char, ) -> *mut c_void; + #[cfg(feature = "vfs_loadext")] fn dl_error( &mut self, n_byte: c_int, z_err_msg: *mut c_char, ); + #[cfg(feature = "vfs_loadext")] fn dl_sym( &mut self, arg2: *mut c_void, @@ -129,6 +138,7 @@ pub trait SqliteVfs { ), >; + #[cfg(feature = "vfs_loadext")] fn dl_close(&mut self, arg2: *mut c_void); fn randomness( @@ -155,17 +165,20 @@ pub trait SqliteVfs { arg2: *mut i64, ) -> c_int; + #[cfg(feature = "vfs_syscall")] fn set_system_call( &mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr, ) -> c_int; + #[cfg(feature = "vfs_syscall")] fn get_system_call( &mut self, z_name: *const c_char, ) -> sqlite3_syscall_ptr; + #[cfg(feature = "vfs_syscall")] fn next_system_call( &mut self, z_name: *const c_char, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 924c17e..b3cb0a7 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -89,6 +89,7 @@ unsafe extern "C" fn x_full_pathname( handle_error(result) } +#[cfg(feature = "vfs_loadext")] unsafe extern "C" fn x_dl_open( p_vfs: *mut sqlite3_vfs, z_filename: *const c_char, @@ -103,6 +104,7 @@ unsafe extern "C" fn x_dl_open( out } +#[cfg(feature = "vfs_loadext")] unsafe extern "C" fn x_dl_error( p_vfs: *mut sqlite3_vfs, n_byte: c_int, @@ -116,6 +118,7 @@ unsafe extern "C" fn x_dl_error( Box::into_raw(vfs); } +#[cfg(feature = "vfs_loadext")] unsafe extern "C" fn x_dl_sym( p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void, @@ -131,6 +134,7 @@ unsafe extern "C" fn x_dl_sym( None } +#[cfg(feature = "vfs_loadext")] /// Let Boxes go out of scope, thus drop unsafe extern "C" fn x_dl_close( p_vfs: *mut sqlite3_vfs, @@ -213,6 +217,7 @@ unsafe extern "C" fn x_current_time_int64( result } +#[cfg(feature = "vfs_syscall")] unsafe extern "C" fn x_set_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, @@ -228,6 +233,7 @@ unsafe extern "C" fn x_set_system_call( result } +#[cfg(feature = "vfs_syscall")] unsafe extern "C" fn x_get_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, @@ -242,6 +248,7 @@ unsafe extern "C" fn x_get_system_call( result } +#[cfg(feature = "vfs_syscall")] unsafe extern "C" fn x_next_system_call( p_vfs: *mut sqlite3_vfs, z_name: *const c_char, @@ -287,19 +294,43 @@ pub fn create_vfs(aux: T, name_ptr: *const c_char, max_path_name_s /// /// are supposed to implement the functionality needed by SQLite to load /// extensions compiled as shared objects. + #[cfg(feature = "vfs_loadext")] xDlOpen: Some(x_dl_open::), + #[cfg(feature = "vfs_loadext")] xDlError: Some(x_dl_error::), + #[cfg(feature = "vfs_loadext")] xDlSym: Some(x_dl_sym::), + #[cfg(feature = "vfs_loadext")] xDlClose: Some(x_dl_close::), + #[cfg(not(feature = "vfs_loadext"))] + xDlOpen: None, + #[cfg(not(feature = "vfs_loadext"))] + xDlError: None, + #[cfg(not(feature = "vfs_loadext"))] + xDlSym: None, + #[cfg(not(feature = "vfs_loadext"))] + xDlClose: None, + xRandomness: Some(x_randomness::), xSleep: Some(x_sleep::), xCurrentTime: Some(x_current_time::), xGetLastError: Some(x_get_last_error::), xCurrentTimeInt64: Some(x_current_time_int64::), + + #[cfg(feature = "vfs_syscall")] xSetSystemCall: Some(x_set_system_call::), + #[cfg(feature = "vfs_syscall")] xGetSystemCall: Some(x_get_system_call::), + #[cfg(feature = "vfs_syscall")] xNextSystemCall: Some(x_next_system_call::), + + #[cfg(not(feature = "vfs_syscall"))] + xSetSystemCall: None, + #[cfg(not(feature = "vfs_syscall"))] + xGetSystemCall: None, + #[cfg(not(feature = "vfs_syscall"))] + xNextSystemCall: None, } } } From ea74fdddda64dcc18950a56d52d421c0c4841dd9 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 23 Oct 2023 23:19:10 +0200 Subject: [PATCH 091/142] borrowed from https://github.com/rkusa/sqlite-vfs.git --- benchmarks/vfs/io_uring/Cargo.lock | 32 +- benchmarks/vfs/io_uring/Cargo.toml | 4 +- benchmarks/vfs/io_uring/src/connection.rs | 384 ++++++++++++++++++++ benchmarks/vfs/io_uring/src/lib.rs | 64 ++-- benchmarks/vfs/io_uring/src/lock/file.rs | 78 ++++ benchmarks/vfs/io_uring/src/lock/kind.rs | 54 +++ benchmarks/vfs/io_uring/src/lock/mod.rs | 247 +++++++++++++ benchmarks/vfs/io_uring/src/lock/range.rs | 133 +++++++ benchmarks/vfs/io_uring/src/lock/traits.rs | 138 +++++++ benchmarks/vfs/io_uring/src/lock/wal.rs | 44 +++ benchmarks/vfs/io_uring/src/lock/wrapper.rs | 240 ++++++++++++ benchmarks/vfs/io_uring/src/ops.rs | 40 +- benchmarks/vfs/io_uring/tests/test_vfs.rs | 14 +- 13 files changed, 1396 insertions(+), 76 deletions(-) create mode 100644 benchmarks/vfs/io_uring/src/connection.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/file.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/kind.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/mod.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/range.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/traits.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/wal.rs create mode 100644 benchmarks/vfs/io_uring/src/lock/wrapper.rs diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index 9e4de8f..9f9e1ac 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -609,6 +609,12 @@ dependencies = [ "windows-sys", ] +[[package]] +name = "rustversion" +version = "1.0.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4" + [[package]] name = "ryu" version = "1.0.15" @@ -688,17 +694,19 @@ dependencies = [ ] [[package]] -name = "sqlite3_vfs_io_uring_rs" +name = "sqlite3_vfs_io_uring" version = "0.1.0" dependencies = [ "io-uring", "libc", "libsqlite3-sys", + "log", "mmap-rs", "rand", "rusqlite", "sqlite-loadable", "sqlite3ext-sys", + "strum", "tempfile", "url", ] @@ -716,6 +724,28 @@ version = "0.10.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623" +[[package]] +name = "strum" +version = "0.25.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "290d54ea6f91c969195bdbcd7442c8c2a2ba87da8bf60a7ee86a235d4bc1e125" +dependencies = [ + "strum_macros", +] + +[[package]] +name = "strum_macros" +version = "0.25.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "23dc1fa9ac9c169a78ba62f0b841814b7abae11bdd047b9c58f893439e309ea0" +dependencies = [ + "heck", + "proc-macro2", + "quote", + "rustversion", + "syn 2.0.38", +] + [[package]] name = "syn" version = "1.0.109" diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index 4df4e51..4c54883 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -1,5 +1,5 @@ [package] -name = "sqlite3_vfs_io_uring_rs" +name = "sqlite3_vfs_io_uring" version = "0.1.0" edition = "2021" @@ -10,6 +10,8 @@ sqlite-loadable = {path="../../../"} url = "2.4.1" mmap-rs = "0.6.0" libc = "0.2.148" +log = "0.4" +strum = { version = "0.25", features = ["derive"] } [dev-dependencies] rusqlite = "0.29.0" diff --git a/benchmarks/vfs/io_uring/src/connection.rs b/benchmarks/vfs/io_uring/src/connection.rs new file mode 100644 index 0000000..58cc19d --- /dev/null +++ b/benchmarks/vfs/io_uring/src/connection.rs @@ -0,0 +1,384 @@ +use std::borrow::Cow; +use std::fs::{self, File, Permissions, OpenOptions as FsOpenOptions}; +use std::io::{self, ErrorKind, Read, Seek, SeekFrom, Write}; +use std::os::unix::fs::{MetadataExt, PermissionsExt}; +use std::path::{Path, PathBuf}; +use std::sync::atomic::{AtomicUsize, Ordering}; + +use crate::lock::file::FileLock; +use crate::lock::kind::LockKind; +use crate::lock::range::RangeLock; +use crate::lock::traits::{DatabaseHandle, OpenAccess, OpenKind, OpenOptions, Open}; +use crate::lock::wal::WalIndex; +use crate::lock::wrapper::Lock; + +/// [Vfs] test implementation based on Rust's [std::fs:File]. This implementation is not meant for +/// any use-cases except running SQLite unit tests, as the locking is only managed in process +/// memory. +#[derive(Default)] +pub struct TestVfs { + temp_counter: AtomicUsize, +} + +pub struct Connection { + path: PathBuf, + file: File, + file_ino: u64, + lock: Option, +} + +pub struct WalConnection { + path: PathBuf, + file_lock: FileLock, + wal_lock: RangeLock, + readonly: bool, +} + +impl Open for TestVfs { + type Handle = Connection; + + fn open(&self, db: &str, opts: OpenOptions) -> Result { + let path = normalize_path(Path::new(&db)); + if path.is_dir() { + return Err(io::Error::new(ErrorKind::Other, "cannot open directory")); + } + + let mut o = fs::OpenOptions::new(); + o.read(true).write(opts.access != OpenAccess::Read); + let is_create = match opts.access { + OpenAccess::Create => { + o.create(true); + true + } + OpenAccess::CreateNew => { + o.create_new(true); + true + } + _ => false, + }; + let file = o.open(&path)?; + let metadata = file.metadata()?; + let file_ino = metadata.ino(); + + if is_create && matches!(opts.kind, OpenKind::Wal | OpenKind::MainJournal) { + if let Ok(mode) = permissions(&path) { + fs::set_permissions(&path, Permissions::from_mode(mode)).ok(); + } + } + + if opts.kind == OpenKind::Wal { + // ensure wal index access + let path = path.with_extension(format!( + "{}-shm", + path.extension() + .and_then(|ext| ext.to_str()) + .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) + .unwrap_or("db") + )); + if path.exists() + && fs::metadata(&path) + .map(|m| m.permissions().mode()) + .unwrap_or(0o100000) + <= 0o100000 + { + return Err(std::io::Error::new( + ErrorKind::Other, + "cannot read .db-shm file", + )); + } + } + + Ok(Connection { + path, + // Lock needs to be created right away to ensure there is a free file descriptor for the + // additional lock file. + lock: if opts.kind == OpenKind::MainDb { + Some(Lock::from_file(&file)?) + } else { + None + }, + file, + file_ino, + }) + } + + /* + fn delete(&self, db: &str) -> Result<(), std::io::Error> { + let path = normalize_path(Path::new(&db)); + fs::remove_file(path) + } + + fn exists(&self, db: &str) -> Result { + Ok(Path::new(db).is_file()) + } + + fn access(&self, db: &str, write: bool) -> Result { + let metadata = fs::metadata(db)?; + let readonly = metadata.permissions().readonly(); + Ok(!write || (write && !readonly)) + } + */ + + /// Required by vfs open + file_control + fn temporary_name(&self) -> String { + std::env::temp_dir() + .join(format!( + "etilqs_{:x}_{:x}.db", + std::process::id(), + self.temp_counter.fetch_add(1, Ordering::AcqRel), + )) + .to_string_lossy() + .to_string() + } +/* + fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { + let path = Path::new(&db); + let path = if path.is_absolute() { + path.to_path_buf() + } else { + std::env::current_dir()?.join(path) + }; + let path = normalize_path(&path); + Ok(path + .to_str() + .ok_or_else(|| { + std::io::Error::new( + ErrorKind::Other, + "cannot convert canonicalized path to string", + ) + })? + .to_string() + .into()) + } + + fn random(&self, buffer: &mut [i8]) { + rand::Rng::fill(&mut rand::thread_rng(), buffer); + } + + fn sleep(&self, duration: std::time::Duration) -> std::time::Duration { + std::thread::sleep(duration); + + // Well, this function is only supposed to sleep at least `n_micro`μs, but there are + // tests that expect the return to match exactly `n_micro`. As those tests are flaky as + // a result, we are cheating here. + duration + } +*/ +} + +impl DatabaseHandle for Connection { + type WalIndex = WalConnection; + + /* + fn size(&self) -> Result { + self.file.metadata().map(|m| m.len()) + } + + fn read_exact_at(&mut self, buf: &mut [u8], offset: u64) -> Result<(), std::io::Error> { + self.file.seek(SeekFrom::Start(offset))?; + self.file.read_exact(buf) + } + + fn write_all_at(&mut self, buf: &[u8], offset: u64) -> Result<(), std::io::Error> { + self.file.seek(SeekFrom::Start(offset))?; + self.file.write_all(buf)?; + Ok(()) + } + + fn sync(&mut self, data_only: bool) -> Result<(), std::io::Error> { + if data_only { + self.file.sync_data() + } else { + self.file.sync_all() + } + } + + fn set_len(&mut self, len: u64) -> Result<(), std::io::Error> { + self.file.set_len(len) + } + */ + + fn lock(&mut self, to: LockKind) -> Result { + let lock = match &mut self.lock { + Some(lock) => lock, + None => self.lock.get_or_insert(Lock::from_file(&self.file)?), + }; + + // Return false if exclusive was requested and only pending was acquired. + Ok(lock.lock(to) && lock.current() == to) + } + + fn reserved(&mut self) -> Result { + let lock = match &mut self.lock { + Some(lock) => lock, + None => self.lock.get_or_insert(Lock::from_file(&self.file)?), + }; + + Ok(lock.reserved()) + } + + fn current_lock(&self) -> Result { + Ok(self + .lock + .as_ref() + .map(|l| l.current()) + .unwrap_or(LockKind::None)) + } + + fn moved(&self) -> Result { + let ino = fs::metadata(&self.path).map(|m| m.ino()).unwrap_or(0); + Ok(ino == 0 || ino != self.file_ino) + } + + fn wal_index(&self, readonly: bool) -> Result { + let path = self.path.with_extension(format!( + "{}-shm", + self.path + .extension() + .and_then(|ext| ext.to_str()) + .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) + .unwrap_or("db") + )); + let is_new = !path.exists(); + + let mut opts = fs::OpenOptions::new(); + opts.read(true); + if !readonly { + opts.write(true).create(true).truncate(false); + } + + let file = opts.open(&path)?; + let mut file_lock = FileLock::new(file); + if !readonly && file_lock.exclusive() { + // If it is the first connection to open the database, truncate the index. + let new_file = fs::OpenOptions::new() + .read(true) + .write(true) + .create(true) + .truncate(true) + .open(&path) + .map_err(|err| err)?; + + let new_lock = FileLock::new(new_file); + + if is_new { + let mode = permissions(&self.path)?; + let perm = Permissions::from_mode(mode); + // Match permissions of main db file, but don't downgrade to readonly. + if !perm.readonly() { + fs::set_permissions(&path, perm)?; + } + } + + // Transition previous lock to shared before getting a shared on the new file + // descriptor to make sure that there isn't any other concurrent process/thread getting + // an exclusive lock during the transition. + assert!(file_lock.shared()); + assert!(new_lock.shared()); + + file_lock = new_lock; + } else { + file_lock.wait_shared(); + } + + Ok(WalConnection { + path, + file_lock, + wal_lock: RangeLock::new(self.file_ino), + readonly, + }) + } +} + +impl WalIndex for WalConnection { + fn map(&mut self, region: u32) -> Result<[u8; 32768], std::io::Error> { + let mut data = [0u8; 32768]; + self.pull(region, &mut data)?; + Ok(data) + } + + fn lock( + &mut self, + locks: std::ops::Range, + lock: LockKind, + ) -> Result { + self.wal_lock.lock(locks, lock) + } + + fn delete(self) -> Result<(), std::io::Error> { + fs::remove_file(&self.path) + } + + fn pull(&mut self, region: u32, data: &mut [u8; 32768]) -> Result<(), std::io::Error> { + let current_size = self.file_lock.file().metadata()?.size(); + let min_size = (region as u64 + 1) * 32768; + if !self.readonly && current_size < min_size { + self.file_lock.file().set_len(min_size)?; + } + + self.file_lock + .file() + .seek(SeekFrom::Start(region as u64 * 32768))?; + match self.file_lock.file().read_exact(data) { + Ok(()) => Ok(()), + Err(err) if self.readonly && err.kind() == ErrorKind::UnexpectedEof => Ok(()), + Err(err) => Err(err), + } + } + + fn push(&mut self, region: u32, data: &[u8; 32768]) -> Result<(), std::io::Error> { + let current_size = self.file_lock.file().metadata()?.size(); + let min_size = (region as u64 + 1) * 32768; + if current_size < min_size { + self.file_lock.file().set_len(min_size)?; + } + + self.file_lock + .file() + .seek(SeekFrom::Start(region as u64 * 32768))?; + self.file_lock.file().write_all(data)?; + self.file_lock.file().sync_all()?; + + Ok(()) + } +} + +// Source: https://github.com/rust-lang/cargo/blob/7a3b56b4860c0e58dab815549a93198a1c335b64/crates/cargo-util/src/paths.rs#L81 +fn normalize_path(path: &Path) -> PathBuf { + use std::path::Component; + + let mut components = path.components().peekable(); + let mut ret = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() { + components.next(); + PathBuf::from(c.as_os_str()) + } else { + PathBuf::new() + }; + + for component in components { + match component { + Component::Prefix(..) => unreachable!(), + Component::RootDir => { + ret.push(component.as_os_str()); + } + Component::CurDir => {} + Component::ParentDir => { + ret.pop(); + } + Component::Normal(c) => { + ret.push(c); + } + } + } + ret +} + +fn permissions(path: &Path) -> io::Result { + let path = path.with_extension( + path.extension() + .and_then(|ext| ext.to_str()) + .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) + .unwrap_or("db"), + ); + Ok(fs::metadata(&path)?.permissions().mode()) +} diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index dab5ddc..eaab3f9 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,10 +1,13 @@ #![allow(unused)] - pub mod ops; + +pub(crate) mod lock; +pub(crate) mod connection; + use ops::Ops; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control, sqlite3ext_vfs_register, sqlite3ext_database_file_object}; -use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::default::{DefaultVfs, DefaultFile}; use sqlite_loadable::vfs::vfs::{create_vfs, handle_vfs_result}; use sqlite_loadable::vfs::file::{MethodsWithAux, FileWithAux}; @@ -31,7 +34,6 @@ const EXTENSION_NAME: &str = "iouring"; struct IoUringVfs { default_vfs: DefaultVfs, vfs_name: CString, - wal: bool, } impl SqliteVfs for IoUringVfs { @@ -40,19 +42,13 @@ impl SqliteVfs for IoUringVfs { let file_path = unsafe { CStr::from_ptr(z_name) }; + let db_file_obj = unsafe { sqlite3ext_database_file_object(file_path.as_ptr()) }; let mut file = Ops::new(file_path.to_owned(), 32); file.open_file().map_err(|_| Error::new_message("can't open file"))?; unsafe { *p_file = *create_file_pointer( file ); } - if String::from_utf8_lossy(file_path.to_bytes()).to_string().contains("wal") { - unsafe { *p_res_out |= SQLITE_OPEN_WAL; } - self.wal = true; - } - - let db_file_obj = unsafe { sqlite3ext_database_file_object(file_path.as_ptr()) }; - Ok(()) } @@ -69,7 +65,8 @@ impl SqliteVfs for IoUringVfs { fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { unsafe { - *p_res_out = if self.wal { 1 } else { 0 }; + // *p_res_out = if self.wal { 1 } else { 0 }; + *p_res_out = 0; } Ok(()) } @@ -88,22 +85,22 @@ impl SqliteVfs for IoUringVfs { } /// From here onwards, all calls are redirected to the default vfs - fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { - self.default_vfs.dl_open(z_filename) - } + // fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { + // self.default_vfs.dl_open(z_filename) + // } - fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { - self.default_vfs.dl_error(n_byte, z_err_msg) - } + // fn dl_error(&mut self, n_byte: i32, z_err_msg: *mut c_char) { + // self.default_vfs.dl_error(n_byte, z_err_msg) + // } - fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) - -> Option { - self.default_vfs.dl_sym(arg2, z_symbol) - } + // fn dl_sym(&mut self, arg2: *mut c_void, z_symbol: *const c_char) + // -> Option { + // self.default_vfs.dl_sym(arg2, z_symbol) + // } - fn dl_close(&mut self, arg2: *mut c_void) { - self.default_vfs.dl_close(arg2) - } + // fn dl_close(&mut self, arg2: *mut c_void) { + // self.default_vfs.dl_close(arg2) + // } fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { self.default_vfs.randomness(n_byte, z_out) @@ -125,17 +122,17 @@ impl SqliteVfs for IoUringVfs { self.default_vfs.current_time_int64(arg2) } - fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { - self.default_vfs.set_system_call(z_name, arg2) - } + // fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { + // self.default_vfs.set_system_call(z_name, arg2) + // } - fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { - self.default_vfs.get_system_call(z_name) - } + // fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { + // self.default_vfs.get_system_call(z_name) + // } - fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { - self.default_vfs.next_system_call(z_name) - } + // fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { + // self.default_vfs.next_system_call(z_name) + // } } /// Usage: "ATTACH io_uring_vfs_from_file('test.db') AS inring;" @@ -169,7 +166,6 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { DefaultVfs::from_ptr(shimmed_vfs) }, vfs_name, - wal: false, }; // allocation is bound to lifetime of struct diff --git a/benchmarks/vfs/io_uring/src/lock/file.rs b/benchmarks/vfs/io_uring/src/lock/file.rs new file mode 100644 index 0000000..041da68 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/file.rs @@ -0,0 +1,78 @@ +use std::collections::HashMap; +use std::fs::{File, OpenOptions}; +use std::ops::Range; +use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; +use std::{env, io}; + +use super::kind::LockKind; +use super::wrapper::{flock_unlock, flock_shared, flock_exclusive}; + +// use crate::lock::{flock_exclusive, flock_shared, flock_unlock}; + +pub struct FileLock { + file: Option, + fd: RawFd, +} + +impl FileLock { + pub fn new(file: File) -> Self { + Self { + fd: file.as_raw_fd(), + file: Some(file), + } + } + + pub fn file(&mut self) -> &mut File { + self.file + .get_or_insert_with(|| unsafe { File::from_raw_fd(self.fd) }) + } + + pub fn unlock(&self) { + flock_unlock(self.fd); + } + + pub fn shared(&self) -> bool { + flock_shared(self.fd) + } + + pub fn wait_shared(&self) { + flock_wait_shared(self.fd) + } + + pub fn exclusive(&self) -> bool { + flock_exclusive(self.fd) + } + + pub fn wait_exclusive(&self) { + flock_wait_exclusive(self.fd) + } +} + +pub(crate) fn flock_wait_shared(fd: RawFd) { + unsafe { + if libc::flock(fd, libc::LOCK_SH) == 0 { + return; + } + } + + let err = std::io::Error::last_os_error(); + panic!("lock shared failed: {}", err); +} + +pub(crate) fn flock_wait_exclusive(fd: RawFd) { + unsafe { + if libc::flock(fd, libc::LOCK_EX) == 0 { + return; + } + } + + let err = std::io::Error::last_os_error(); + panic!("lock exclusive failed: {}", err); +} + +impl Drop for FileLock { + fn drop(&mut self) { + self.unlock(); + self.file.take(); + } +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/kind.rs b/benchmarks/vfs/io_uring/src/lock/kind.rs new file mode 100644 index 0000000..cc325de --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/kind.rs @@ -0,0 +1,54 @@ +use sqlite3ext_sys::{SQLITE_LOCK_EXCLUSIVE, SQLITE_LOCK_PENDING, SQLITE_LOCK_RESERVED, SQLITE_LOCK_SHARED, SQLITE_LOCK_NONE}; +use strum::FromRepr; + +/// The access an object is opened with. +#[derive(FromRepr, Debug, Clone, Copy, PartialEq, Eq)] +#[repr(i32)] +pub enum LockKind { + /// No locks are held. The database may be neither read nor written. Any internally cached data + /// is considered suspect and subject to verification against the database file before being + /// used. Other processes can read or write the database as their own locking states permit. + /// This is the default state. + None = 0, + + /// The database may be read but not written. Any number of processes can hold + /// [LockKind::Shared] locks at the same time, hence there can be many simultaneous readers. But + /// no other thread or process is allowed to write to the database file while one or more + /// [LockKind::Shared] locks are active. + Shared = 1, + + /// A [LockKind::Reserved] lock means that the process is planning on writing to the database + /// file at some point in the future but that it is currently just reading from the file. Only a + /// single [LockKind::Reserved] lock may be active at one time, though multiple + /// [LockKind::Shared] locks can coexist with a single [LockKind::Reserved] lock. + /// [LockKind::Reserved] differs from [LockKind::Pending] in that new [LockKind::Shared] locks + /// can be acquired while there is a [LockKind::Reserved] lock. + Reserved = 2, + + /// A [LockKind::Pending] lock means that the process holding the lock wants to write to the + /// database as soon as possible and is just waiting on all current [LockKind::Shared] locks to + /// clear so that it can get an [LockKind::Exclusive] lock. No new [LockKind::Shared] locks are + /// permitted against the database if a [LockKind::Pending] lock is active, though existing + /// [LockKind::Shared] locks are allowed to continue. + Pending = 3, + + /// An [LockKind::Exclusive] lock is needed in order to write to the database file. Only one + /// [LockKind::Exclusive] lock is allowed on the file and no other locks of any kind are allowed + /// to coexist with an [LockKind::Exclusive] lock. In order to maximize concurrency, SQLite + /// works to minimize the amount of time that [LockKind::Exclusive] locks are held. + Exclusive = 4, +} + +impl PartialOrd for LockKind { + fn partial_cmp(&self, other: &Self) -> Option { + let i: i32 = *self as i32; + let o: i32 = *other as i32; + i.partial_cmp(&o) + } +} + +impl Default for LockKind { + fn default() -> Self { + Self::None + } +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/mod.rs b/benchmarks/vfs/io_uring/src/lock/mod.rs new file mode 100644 index 0000000..e665530 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/mod.rs @@ -0,0 +1,247 @@ +pub(crate) mod kind; +pub(crate) mod file; +pub(crate) mod range; +pub(crate) mod wal; +pub(crate) mod wrapper; +pub(crate) mod traits; + +/* +use std::{fs::{self, Permissions}, ffi::CString, sync::{Mutex, Arc}, mem::MaybeUninit, collections::HashMap, pin::Pin, io::ErrorKind}; +use sqlite3ext_sys::{self, sqlite3_file, SQLITE_IOERR_LOCK, SQLITE_OK, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_CHECKRESERVEDLOCK, SQLITE_BUSY}; + +use self::{kind::LockKind, range::RangeLock, wal::{WalConnection, WalIndexLock, WalIndex}, file::FileLock}; + +// TODO: add to [Vfs]? +const MAX_PATH_LENGTH: usize = 512; + + +#[repr(C)] +struct FileState { + last_error: Arc>>, + next_id: usize, + ext: MaybeUninit, // TODO drop manually +} + +#[repr(C)] +struct FileExt { + // vfs: Arc, + // vfs_name: CString, + // db_name: String, + // file: F, + delete_on_close: bool, + /// The last error; shared with the VFS. + last_error: Arc>>, + /// The last error number of this file/connection (not shared with the VFS). + last_errno: i32, + wal_index: Option<(F::WalIndex, bool)>, + wal_index_regions: HashMap>>, + wal_index_locks: HashMap, + has_exclusive_lock: bool, + id: usize, + chunk_size: Option, + persist_wal: bool, + powersafe_overwrite: bool, +} + +impl State { + fn set_last_error(&mut self, no: i32, err: std::io::Error) -> i32 { + // log::error!("{} ({})", err, no); + *(self.last_error.lock().unwrap()) = Some((no, err)); + no + } +} + +impl FileExt { + fn set_last_error(&mut self, no: i32, err: std::io::Error) -> i32 { + // log::error!("{} ({})", err, no); + *(self.last_error.lock().unwrap()) = Some((no, err)); + self.last_errno = no; + no + } +} + + +fn null_ptr_error() -> std::io::Error { + std::io::Error::new(ErrorKind::Other, "received null pointer") +} + +impl FileExt { + /// Lock a file. + pub(crate) fn lock( + // p_file: *mut sqlite3_file, + &mut self, + e_lock: i32, + ) -> i32 { + // let state = match file_state(p_file) { + // Ok(f) => f, + // Err(_) => return SQLITE_IOERR_LOCK, + // }; + // log::trace!("[{}] lock ({})", state.id, state.db_name); + + let lock = match LockKind::from_i32(e_lock) { + Some(lock) => lock, + None => return SQLITE_IOERR_LOCK, + }; + match self.file.lock(lock) { + Ok(true) => { + self.has_exclusive_lock = lock == LockKind::Exclusive; + // log::trace!("[{}] lock={:?} ({})", state.id, lock, state.db_name); + + // If just acquired a exclusive database lock while not having any exclusive lock + // on the wal index, make sure the wal index is up to date. + if self.has_exclusive_lock { + let has_exclusive_wal_index = self + .wal_index_locks + .iter() + .any(|(_, lock)| *lock == WalIndexLock::Exclusive); + + if !has_exclusive_wal_index { + // log::trace!( + // "[{}] acquired exclusive db lock, pulling wal index changes", + // state.id, + // ); + + if let Some((wal_index, _)) = self.wal_index.as_mut() { + for (region, data) in &mut self.wal_index_regions { + if let Err(err) = wal_index.pull(*region as u32, data) { + // log::error!( + // "[{}] pulling wal index changes failed: {}", + // state.id, + // err + // ) + } + } + } + } + } + + SQLITE_OK + } + Ok(false) => { + // log::trace!( + // "[{}] busy (denied {:?}) ({})", + // state.id, + // lock, + // state.db_name + // ); + SQLITE_BUSY + } + Err(err) => self.set_last_error(SQLITE_IOERR_LOCK, err), + } + } + + /// Unlock a file. + pub(crate) fn unlock( + // p_file: *mut sqlite3_file, + &mut self, + e_lock: i32, + ) -> i32 { + // let state = match file_state(p_file) { + // Ok(f) => f, + // Err(_) => return SQLITE_IOERR_UNLOCK, + // }; + // log::trace!("[{}] unlock ({})", state.id, state.db_name); + + let lock = match LockKind::from_i32(e_lock) { + Some(lock) => lock, + None => return SQLITE_IOERR_UNLOCK, + }; + match self.file.unlock(lock) { + Ok(true) => { + self.has_exclusive_lock = lock == LockKind::Exclusive; + // log::trace!("[{}] unlock={:?} ({})", state.id, lock, state.db_name); + SQLITE_OK + } + Ok(false) => SQLITE_BUSY, + Err(err) => self.set_last_error(SQLITE_IOERR_UNLOCK, err), + } + } + + /// Check if another file-handle holds a [LockKind::Reserved] lock on a file. + pub(crate) fn check_reserved_lock( + // p_file: *mut sqlite3_file, + &mut self, + p_res_out: *mut i32, + ) -> i32 { + // let state = match file_state(p_file) { + // Ok(f) => f, + // Err(_) => return SQLITE_IOERR_CHECKRESERVEDLOCK, + // }; + // log::trace!("[{}] check_reserved_lock ({})", state.id, state.db_name); + + // #[cfg(feature = "sqlite_test")] + // if simulate_io_error() { + // return SQLITE_IOERR_CHECKRESERVEDLOCK; + // } + + if let Err(err) = self.file.reserved().and_then(|is_reserved| { + let p_res_out: &mut i32 = unsafe { p_res_out.as_mut().ok_or_else(null_ptr_error) }?; + *p_res_out = is_reserved as i32; + Ok(()) + }) { + return self.set_last_error(SQLITE_IOERR_UNLOCK, err); + } + + SQLITE_OK + } + + fn wal_index(&self, readonly: bool) -> Result { + let path = self.path.with_extension(format!( + "{}-shm", + self.path + .extension() + .and_then(|ext| ext.to_str()) + .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) + .unwrap_or("db") + )); + let is_new = !path.exists(); + + let mut opts = fs::OpenOptions::new(); + opts.read(true); + if !readonly { + opts.write(true).create(true).truncate(false); + } + + let file = opts.open(&path)?; + let mut file_lock = FileLock::new(file); + if !readonly && file_lock.exclusive() { + // If it is the first connection to open the database, truncate the index. + let new_file = fs::OpenOptions::new() + .read(true) + .write(true) + .create(true) + .truncate(true) + .open(&path) + .map_err(|err| err)?; + + let new_lock = FileLock::new(new_file); + + if is_new { + let mode = permissions(&self.path)?; + let perm = Permissions::from_mode(mode); + // Match permissions of main db file, but don't downgrade to readonly. + if !perm.readonly() { + fs::set_permissions(&path, perm)?; + } + } + + // Transition previous lock to shared before getting a shared on the new file + // descriptor to make sure that there isn't any other concurrent process/thread getting + // an exclusive lock during the transition. + assert!(file_lock.shared()); + assert!(new_lock.shared()); + + file_lock = new_lock; + } else { + file_lock.wait_shared(); + } + + Ok(WalConnection { + path, + file_lock, + wal_lock: RangeLock::new(self.file_ino), + readonly, + }) + } +} +*/ \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/range.rs b/benchmarks/vfs/io_uring/src/lock/range.rs new file mode 100644 index 0000000..18a13a8 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/range.rs @@ -0,0 +1,133 @@ +use std::collections::HashMap; +use std::fs::{File, OpenOptions}; +use std::ops::Range; +use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; +use std::{env, io}; + +use super::file::FileLock; +use super::kind::LockKind; +use super::wrapper::{flock_unlock, flock_shared, flock_exclusive}; + +// use crate::lock::{flock_exclusive, flock_shared, flock_unlock}; + +// use sqlite_vfs::wip::WalIndexLock as LockKind; + +// use crate::file_lock::FileLock; +// use crate::lock::{flock_exclusive, flock_shared, flock_unlock}; + +/// SQLite's default locking on UNIX systems is quite involved to work around certain limitations +/// of POSIX locks. See https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L1026-L1114 for +/// details. +/// +/// Since I don't want to re-implement that, I am going with something simpler which should suffice +/// the use-case of a VFS only used for tests. The locking uses BSD locks instead of POSIX locks. +/// +/// BSD locks unfortunately don't support locks on by ranges, which is why the following creates +/// a file per assumed byte. This is quite heavy on file access and usage of file descriptors, but +/// should suffice for the purpose of a test vfs. +pub struct RangeLock { + ino: u64, + locks: HashMap, +} + +impl RangeLock { + pub fn new(ino: u64) -> Self { + Self { + ino, + locks: Default::default(), + } + } + + pub fn lock(&mut self, range: Range, to: LockKind) -> io::Result { + // get exclusive lock on file descriptor that acts as a mutex + let mutex = FileLock::new( + OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(env::temp_dir().join(format!("{}_m.lck", self.ino)))?, + ); + mutex.wait_exclusive(); // is unlocked as soon as mutex is dropped + + for i in range.clone() { + let (fd, current) = match self.locks.get(&i) { + Some(fd) => fd, + None => { + let f = OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(env::temp_dir().join(format!("{}_{}.lck", self.ino, i)))?; + self.locks + .entry(i) + .or_insert((f.into_raw_fd(), LockKind::None)) + } + }; + + if *current == to { + continue; + } + + let ok = match to { + LockKind::None => { + flock_unlock(*fd); + true + } + LockKind::Shared => flock_shared(*fd), + LockKind::Exclusive => flock_exclusive(*fd), + _ => todo!(), + }; + if !ok { + // revert locks + for i in range.start..=i { + if let Some((fd, current)) = self.locks.get_mut(&i) { + match current { + LockKind::None => flock_unlock(*fd), + LockKind::Shared => { + flock_shared(*fd); + } + LockKind::Exclusive => { + flock_exclusive(*fd); + } + _ => todo!(), + } + } + } + + return Ok(false); + } + } + + if to == LockKind::None { + // Remove to free up file descriptors + for i in range { + if let Some((fd, _)) = self.locks.remove(&i) { + unsafe { File::from_raw_fd(fd) }; + } + } + } else { + // update current locks once all where successful + for i in range { + if let Some((_, current)) = self.locks.get_mut(&i) { + *current = to; + } + } + } + + Ok(true) + } +} + +impl Drop for RangeLock { + fn drop(&mut self) { + // unlock all + for (_, (fd, lock)) in std::mem::take(&mut self.locks) { + if lock == LockKind::None { + continue; + } + + flock_unlock(fd); + unsafe { File::from_raw_fd(fd) }; + } + } +} diff --git a/benchmarks/vfs/io_uring/src/lock/traits.rs b/benchmarks/vfs/io_uring/src/lock/traits.rs new file mode 100644 index 0000000..3fdfebe --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/traits.rs @@ -0,0 +1,138 @@ +#![allow(clippy::question_mark)] +//! Create a custom SQLite virtual file system by implementing the [Vfs] trait and registering it +//! using [register]. + +use std::borrow::Cow; +use std::collections::HashMap; +use std::ffi::{c_void, CStr, CString}; +use std::io::ErrorKind; +use std::mem::{size_of, ManuallyDrop, MaybeUninit}; +use std::ops::Range; +use std::os::raw::{c_char, c_int}; +use std::pin::Pin; +use std::ptr::null_mut; +use std::slice; +use std::sync::{Arc, Mutex}; +use std::time::Duration; + +use strum::FromRepr; + +use super::kind::LockKind; +use super::wal::{WalIndex, WalConnection}; + + +#[derive(Debug, Clone, PartialEq)] +pub struct OpenOptions { + /// The object type that is being opened. + pub kind: OpenKind, + + /// The access an object is opened with. + pub access: OpenAccess, + + /// The file should be deleted when it is closed. + delete_on_close: bool, +} + +/// The object type that is being opened. +#[derive(Debug, Clone, Copy, PartialEq)] +pub enum OpenKind { + MainDb, + MainJournal, + TempDb, + TempJournal, + TransientDb, + SubJournal, + SuperJournal, + Wal, +} + +/// The access an object is opened with. +#[derive(FromRepr, Debug, Clone, Copy, PartialEq)] +pub enum OpenAccess { + /// Read access. + Read, + + /// Write access (includes read access). + Write, + + /// Create the file if it does not exist (includes write and read access). + Create, + + /// Create the file, but throw if it it already exist (includes write and read access). + CreateNew, +} + + +/// A file opened by [Vfs]. +pub trait DatabaseHandle: Sync { + /// An optional trait used to store a WAL (write-ahead log). + type WalIndex: WalIndex; + + /// Lock the database. Returns whether the requested lock could be acquired. + /// Locking sequence: + /// - The lock is never moved from [LockKind::None] to anything higher than [LockKind::Shared]. + /// - A [LockKind::Pending] is never requested explicitly. + /// - A [LockKind::Shared] is always held when a [LockKind::Reserved] lock is requested + fn lock(&mut self, lock: LockKind) -> Result; + + /// Unlock the database. + fn unlock(&mut self, lock: LockKind) -> Result { + self.lock(lock) + } + + /// Check if the database this handle points to holds a [LockKind::Reserved], + /// [LockKind::Pending] or [LockKind::Exclusive] lock. + fn reserved(&mut self) -> Result; + + /// Return the current [LockKind] of the this handle. + fn current_lock(&self) -> Result; + + fn set_chunk_size(&self, _chunk_size: usize) -> Result<(), std::io::Error> { + Ok(()) + } + + /// Check if the underlying data of the handle got moved or deleted. When moved, the handle can + /// still be read from, but not written to anymore. + fn moved(&self) -> Result { + Ok(false) + } + + fn wal_index(&self, readonly: bool) -> Result; +} + +pub trait Open: Sync { + /// The file returned by [Vfs::open]. + type Handle: DatabaseHandle; + + /// Open the database `db` (of type `opts.kind`). + fn open(&self, db: &str, opts: OpenOptions) -> Result; + + /* + /// Delete the database `db`. + fn delete(&self, db: &str) -> Result<(), std::io::Error>; + + /// Check if a database `db` already exists. + fn exists(&self, db: &str) -> Result; + */ + + /// Generate and return a path for a temporary database. + fn temporary_name(&self) -> String; + + /* + /// Populate the `buffer` with random data. + fn random(&self, buffer: &mut [i8]); + + /// Sleep for `duration`. Return the duration actually slept. + fn sleep(&self, duration: Duration) -> Duration; + + /// Check access to `db`. The default implementation always returns `true`. + fn access(&self, _db: &str, _write: bool) -> Result { + Ok(true) + } + */ + + /// Retrieve the full pathname of a database `db`. + fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { + Ok(db.into()) + } +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/wal.rs b/benchmarks/vfs/io_uring/src/lock/wal.rs new file mode 100644 index 0000000..018eb76 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/wal.rs @@ -0,0 +1,44 @@ +use std::{ops::Range, path::PathBuf, fs::File}; +use super::{*, range::RangeLock, wrapper::Lock, file::FileLock, kind::LockKind}; + +// #[derive(Debug, Clone, Copy, PartialEq, Eq)] +// #[repr(u16)] +// pub enum WalIndexLock { +// None = 1, +// Shared, +// Exclusive, +// } + +pub struct Connection { + path: PathBuf, + file: File, + file_ino: u64, + lock: Option, +} + +pub struct WalConnection { + pub(crate) path: PathBuf, + pub(crate) file_lock: FileLock, + pub(crate) wal_lock: RangeLock, + pub(crate) readonly: bool, +} + +pub trait WalIndex: Sync { + // fn enabled() -> bool { + // true + // } + + fn map(&mut self, region: u32) -> Result<[u8; 32768], std::io::Error>; + + fn lock(&mut self, locks: Range, lock: LockKind) -> Result; + + fn delete(self) -> Result<(), std::io::Error>; + + fn pull(&mut self, _region: u32, _data: &mut [u8; 32768]) -> Result<(), std::io::Error> { + Ok(()) + } + + fn push(&mut self, _region: u32, _data: &[u8; 32768]) -> Result<(), std::io::Error> { + Ok(()) + } +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/wrapper.rs b/benchmarks/vfs/io_uring/src/lock/wrapper.rs new file mode 100644 index 0000000..2eeb758 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/wrapper.rs @@ -0,0 +1,240 @@ +use std::fs::{File, OpenOptions}; +use std::os::unix::fs::MetadataExt; +use std::os::unix::io::{AsRawFd, IntoRawFd, RawFd}; +use std::os::unix::prelude::FromRawFd; +use std::path::Path; +use std::{env, io}; + +use super::kind::LockKind; + +/// SQLite's default locking on UNIX systems is quite involved to work around certain limitations +/// of POSIX locks. See https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L1026-L1114 for +/// details. +/// +/// Since I don't want to re-implement that, I am going with something simpler which should suffice +/// the use-case of a VFS only used for tests. The locking uses BSD locks instead of POSIX locks. +/// Since SQLite has five different lock states, one single BSD lock is not enough (one BSD lock is +/// either unlocked, shared or exclusive). This is why each database lock consists out of two BSD +/// locks. They work as follows to achieve the SQLite lock states: +/// +/// | {name}.db /tmp/{ino}.lck +/// +/// unlocked unlocked unlocked +/// +/// shared shared shared -> unlocked ¹ +/// +/// reserved shared exclusive -> shared ² +/// +/// pending shared exclusive +/// +/// exclusive exclusive exclusive +/// +/// +/// ¹ The shared lock is first acquired, but then unlocked again. The shared lock is not kept to +/// allow the creation of an exclusive lock for a reserved lock. +/// +/// ² The reserved lock must still allow new shared locks, which is why it is only tested for +/// exclusivity first (to make sure that there is neither a pending nor exclusive lock) and then +/// downgraded to a shared lock. Keeping the shared lock prevents any other reserved lock as there +/// can only be one. + +pub struct Lock { + fd1: RawFd, + fd1_owned: bool, + fd2: RawFd, + current: LockKind, +} + +impl Lock { + pub fn new(path: impl AsRef) -> io::Result { + let path = path.as_ref(); + let f1 = File::open(path)?; + + let f2 = OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(env::temp_dir().join(format!("{}.lck", f1.metadata()?.ino())))?; + + Ok(Lock { + fd1: f1.into_raw_fd(), + fd1_owned: true, + fd2: f2.into_raw_fd(), + current: LockKind::None, + }) + } + + pub fn from_file(f1: &File) -> io::Result { + let f2 = OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(env::temp_dir().join(format!("{}.lck", f1.metadata()?.ino())))?; + + Ok(Lock { + fd1: f1.as_raw_fd(), + fd1_owned: false, + fd2: f2.into_raw_fd(), + current: LockKind::None, + }) + } + + pub fn current(&self) -> LockKind { + self.current + } + + pub fn reserved(&self) -> bool { + if self.current > LockKind::Shared { + return true; + } + + if flock_exclusive(self.fd2) { + flock_unlock(self.fd2); + false + } else { + true + } + } + + /// Transition the lock to the given [LockKind]. + /// + /// # Panics + /// + /// Panics for invalid lock transitions or failed unlocks (which are not expected to happen). + pub fn lock(&mut self, to: LockKind) -> bool { + if self.current == to { + return true; + } + + // Never move from unlocked to anything higher than shared + if self.current == LockKind::None && to != LockKind::Shared { + panic!( + "cannot transition from unlocked to anything higher than shared (tried: {:?})", + to + ) + } + + match to { + LockKind::None => { + flock_unlock(self.fd1); + + if matches!(self.current, LockKind::Pending | LockKind::Exclusive) { + flock_unlock(self.fd2); + } + + self.current = LockKind::None; + + return true; + } + + LockKind::Shared => { + if self.current != LockKind::Reserved { + if !flock_shared(self.fd1) { + return false; + } + } + + if flock_shared(self.fd2) { + flock_unlock(self.fd2); + self.current = LockKind::Shared; + true + } else if matches!(self.current, LockKind::Pending | LockKind::Exclusive) { + panic!("failed to transition to shared from {:?}", self.current); + } else if self.current == LockKind::None { + flock_unlock(self.fd1); + false + } else { + false + } + } + + LockKind::Reserved => { + // A shared lock is always held when a reserved lock is requested + if self.current != LockKind::Shared { + panic!( + "must hold a shared lock when requesting a reserved lock (current: {:?})", + self.current + ) + } + + if flock_exclusive(self.fd2) { + flock_shared(self.fd2); + self.current = LockKind::Reserved; + true + } else { + false + } + } + + LockKind::Pending => { + panic!("cannot explicitly request pending lock (request explicit lock instead)") + } + + LockKind::Exclusive => { + if self.current != LockKind::Pending && !flock_exclusive(self.fd2) { + return false; + } + + if !flock_exclusive(self.fd1) { + self.current = LockKind::Pending; + return true; + } + + self.current = LockKind::Exclusive; + true + } + } + } +} + +pub(crate) fn flock_unlock(fd: RawFd) { + unsafe { + if libc::flock(fd, libc::LOCK_UN | libc::LOCK_NB) != 0 { + panic!("unlock failed: {}", std::io::Error::last_os_error()); + } + } +} + +pub(crate) fn flock_shared(fd: RawFd) -> bool { + unsafe { + if libc::flock(fd, libc::LOCK_SH | libc::LOCK_NB) == 0 { + return true; + } + } + + let err = std::io::Error::last_os_error(); + if err.raw_os_error().unwrap() == libc::EWOULDBLOCK { + return false; + } + + panic!("lock shared failed: {}", err); +} + +pub(crate) fn flock_exclusive(fd: RawFd) -> bool { + unsafe { + if libc::flock(fd, libc::LOCK_EX | libc::LOCK_NB) == 0 { + return true; + } + } + + let err = std::io::Error::last_os_error(); + if err.raw_os_error().unwrap() == libc::EWOULDBLOCK { + return false; + } + + panic!("lock exclusive failed: {}", err); +} + +impl Drop for Lock { + fn drop(&mut self) { + self.lock(LockKind::None); + + // Close file descriptors. + unsafe { + if self.fd1_owned { + File::from_raw_fd(self.fd1); + } + File::from_raw_fd(self.fd2); + } + } +} diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index a8b73ee..bb88bf5 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -15,7 +15,7 @@ use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use std::{ptr, mem}; use sqlite_loadable::ext::sqlite3ext_vfs_find; -use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::default::{DefaultVfs, DefaultFile}; use io_uring::{register, opcode, types, IoUring}; use std::io; @@ -274,47 +274,20 @@ impl SqliteIoMethods for Ops { } fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { - unsafe { - let next_file: *mut sqlite3_file = file.offset(1); - if let Some(f) = (*(*next_file).pMethods).xLock { - f(file, arg2) - }else { - 0 - } - } + 0 } fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { - unsafe { - let next_file: *mut sqlite3_file = file.offset(1); - if let Some(f) = (*(*next_file).pMethods).xUnlock { - f(file, arg2) - }else { - 0 - } - } + 0 } fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> i32 { - unsafe { - let next_file: *mut sqlite3_file = file.offset(1); - if let Some(f) = (*(*next_file).pMethods).xCheckReservedLock { - f(file, p_res_out) - }else { - 0 - } - } + 0 } /// See https://www.sqlite.org/c3ref/file_control.html /// and also https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { - // unsafe { - // let next_file: *mut sqlite3_file = file.offset(1); - // if let Some(f) = (*(*next_file).pMethods).xFileControl { - // f(next_file, op, p_arg); - // } - // } Ok(()) } @@ -330,12 +303,11 @@ impl SqliteIoMethods for Ops { } fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) + Ok(()) } fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { - // SQLITE_IOERR_SHMLOCK is deprecated? - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) + Ok(()) } fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 0c30f88..35be4fb 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -11,12 +11,13 @@ mod tests { ))); } - let file_path = "test_iouring.db"; + let tmp_file = tempfile::NamedTempFile::new().unwrap(); + let out_path = tmp_file.path().to_str().unwrap(); let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE; - let conn = Connection::open_with_flags_and_vfs(file_path, flags, "unix")?; + let conn = Connection::open_with_flags_and_vfs(out_path, flags, "unix")?; - let stmt = format!("ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", file_path); + let stmt = format!("ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", out_path); let stmt_str = stmt.as_str(); conn.execute(stmt_str, ())?; @@ -40,12 +41,13 @@ mod tests { ))); } - let file_path = "test_iouring.wal.db"; + let tmp_file = tempfile::NamedTempFile::new().unwrap(); + let out_path = tmp_file.path().to_str().unwrap(); let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE; - let conn = Connection::open_with_flags_and_vfs(file_path, flags, "unix")?; + let conn = Connection::open_with_flags_and_vfs(out_path, flags, "unix")?; - let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); + let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", out_path); let stmt_str = stmt.as_str(); conn.execute(stmt_str, ())?; From bb33b8395802466afa704a56c9949f3a858c23ee Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 24 Oct 2023 17:28:13 +0200 Subject: [PATCH 092/142] improve error messages, convert vfs errors to std::io --- include/mem_vfs.in.rs | 49 +++++++++-------- src/errors.rs | 3 -- src/vfs/default.rs | 123 +++++++++++++++++++++--------------------- src/vfs/file.rs | 41 +++++++------- src/vfs/traits.rs | 12 ++--- src/vfs/vfs.rs | 67 +++++++++++++++++------ 6 files changed, 169 insertions(+), 126 deletions(-) diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index a3ae35b..b88fbd2 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -2,7 +2,7 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sq use sqlite_loadable::vfs::default::DefaultVfs; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, define_scalar_function, api, vfs::traits::SqliteVfs}; use std::ffi::{CString, CStr}; use std::fs::{File, self}; @@ -14,7 +14,9 @@ use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_ use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, - SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, SQLITE_LOCK_SHARED}; + +use std::io::{Error, Result, ErrorKind}; /// There is some duplication between rusqlite / sqlite3ext / libsqlite3 /// @@ -33,12 +35,12 @@ struct MemVfs { const EXTENSION_NAME: &str = "memvfs"; fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { - let metadata = fs::metadata(path).map_err(|_| Error::new_message("can't determine file size"))?; + let metadata = fs::metadata(path)?; let file_size = metadata.len() as usize; - let mut file = File::open(path).map_err(|_| Error::new_message("can't open file"))?; + let mut file = File::open(path)?; - file.read_to_end(dest).map_err(|_| Error::new_message("can't read to the end"))?; + file.read_to_end(dest)?; Ok(()) } @@ -55,7 +57,7 @@ impl SqliteVfs for MemVfs { } fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_DELETE))) + Err(Error::new(ErrorKind::Other, "Unable to delete in memory mode")) } fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { @@ -187,40 +189,43 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { - 0 + fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + Ok(SQLITE_LOCK_SHARED) } - fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { - 0 + fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + Ok(SQLITE_LOCK_SHARED) } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> i32 { + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result { unsafe{ *p_res_out = 0; } - 0 + Ok(true) } fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { Ok(()) } - fn sector_size(&mut self, file: *mut sqlite3_file) -> i32 { - 1024 + fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { + Ok(1024) } - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> i32 { - SQLITE_IOCAP_ATOMIC | + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { + let settings = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL + SQLITE_IOCAP_SEQUENTIAL; + Ok(settings) } fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMMAP))) + // SQLITE_IOERR_SHMMAP + Err(Error::new(ErrorKind::Other, "Unsupported")) } fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { - Err(Error::new(ErrorKind::DefineVfs(SQLITE_IOERR_SHMLOCK))) + // SQLITE_IOERR_SHMLOCK + Err(Error::new(ErrorKind::Other, "Unsupported")) } fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { @@ -242,7 +247,7 @@ impl SqliteIoMethods for MemFile { } } -fn print_uri(context: *mut sqlite3_context, _: &[*mut sqlite3_value]) -> Result<()> { +fn print_uri(context: *mut sqlite3_context, _: &[*mut sqlite3_value]) -> sqlite_loadable::Result<()> { let text_output = format!("file:___mem___?vfs={}", EXTENSION_NAME); api::result_text(context, text_output); @@ -251,8 +256,8 @@ fn print_uri(context: *mut sqlite3_context, _: &[*mut sqlite3_value]) -> Result< } #[sqlite_entrypoint_permanent] -pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> Result<()> { - let name = CString::new(EXTENSION_NAME).expect("should be fine"); +pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { + let name = CString::new(EXTENSION_NAME).expect("should be a valid utf-8 string"); let mem_vfs = MemVfs { default_vfs: unsafe { // pass thru diff --git a/src/errors.rs b/src/errors.rs index 8554609..a95715a 100644 --- a/src/errors.rs +++ b/src/errors.rs @@ -39,7 +39,6 @@ impl Error { } pub fn result_error_message(self) -> String { match *self.0 { - ErrorKind::DefineVfs(i) => format!("Error resulted after calling function: {}", i), ErrorKind::DefineScalarFunction(_) => "Error defining scalar function".to_owned(), ErrorKind::CStringError(e) => format!("String Nul error: {}", e), ErrorKind::CStringUtf8Error(_) => "utf8 err".to_owned(), @@ -52,7 +51,6 @@ impl Error { /// The specific type of an error. #[derive(Debug, PartialEq, Eq)] pub enum ErrorKind { - DefineVfs(i32), DefineScalarFunction(i32), CStringError(NulError), CStringUtf8Error(std::str::Utf8Error), @@ -89,7 +87,6 @@ impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match *self.0 { ErrorKind::DefineScalarFunction(ref err) => err.fmt(f), - ErrorKind::DefineVfs(i) => f.write_fmt(format_args!("Define vfs error: {}", i)), // TODO test _ => unreachable!(), } } diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 08d4b83..2d2a3bb 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -1,13 +1,15 @@ #![ allow(unused)] #![ allow(non_snake_case)] -use crate::{Error, SqliteIoMethods}; +use crate::SqliteIoMethods; -use super::super::{Result, vfs::traits::SqliteVfs}; +use std::io::{Result, Error, ErrorKind}; + +use super::super::vfs::traits::SqliteVfs; use std::{os::raw::{c_int, c_void, c_char}, ptr}; -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find, SQLITE_OK, SQLITE_ERROR}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find, SQLITE_OK, SQLITE_ERROR, SQLITE_LOCK_NONE}; pub struct DefaultVfs { default_vfs: *mut sqlite3_vfs, @@ -33,7 +35,7 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while opening a file")) } } else { Ok(()) @@ -52,7 +54,7 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while removing a file")) } } else { Ok(()) @@ -72,7 +74,7 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while determining the permissions of a file")) } } else { Ok(()) @@ -92,7 +94,7 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while determining the full pathname of a file")) } } else { Ok(()) @@ -204,7 +206,7 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while determining the last internal error")) } } else { Ok(()) @@ -296,13 +298,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xClose) = ((*self.methods_ptr).xClose) { let result = xClose(self.file_ptr); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while attempting to close a file")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -311,13 +313,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xRead) = ((*self.methods_ptr).xRead) { let result = xRead(self.file_ptr, buf, s, ofst); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while reading from a file")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -332,13 +334,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xWrite) = ((*self.methods_ptr).xWrite) { let result = xWrite(self.file_ptr, buf, i_amt, i_ofst); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while writing to a file")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -347,13 +349,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xTruncate) = ((*self.methods_ptr).xTruncate) { let result = xTruncate(self.file_ptr, size); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while truncating a file")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -362,13 +364,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xSync) = ((*self.methods_ptr).xSync) { let result = xSync(self.file_ptr,flags); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while updating the metadata of a file")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -377,43 +379,44 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xFileSize) = ((*self.methods_ptr).xFileSize) { let result = xFileSize(self.file_ptr,p_size); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while determining the size a file")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } - fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> i32 { + fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result { unsafe { if let Some(xLock) = ((*self.methods_ptr).xLock) { - xLock(self.file_ptr, arg2) + Ok(xLock(self.file_ptr, arg2)) }else { - 0 + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } - fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> i32 { + fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result { unsafe { if let Some(xUnlock) = ((*self.methods_ptr).xUnlock) { - xUnlock(self.file_ptr,arg2) + Ok(xUnlock(self.file_ptr,arg2)) } else { - 0 + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut c_int) -> i32 { + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut c_int) -> Result { unsafe { if let Some(xCheckReservedLock) = ((*self.methods_ptr).xCheckReservedLock) { - xCheckReservedLock(self.file_ptr, p_res_out) + let result = xCheckReservedLock(self.file_ptr, p_res_out); + Ok(result > 0) } else { - 0 + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -422,33 +425,33 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xFileControl) = ((*self.methods_ptr).xFileControl) { let result = xFileControl(self.file_ptr, op, p_arg); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while setting file parameters")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } - fn sector_size(&mut self, file: *mut sqlite3_file) -> c_int { + fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { unsafe { if let Some(xSectorSize) = ((*self.methods_ptr).xSectorSize) { - xSectorSize(self.file_ptr) + Ok(xSectorSize(self.file_ptr)) } else { - -1 + Err(Error::new(ErrorKind::Other, "Missing sector size")) } } } - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> c_int { + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { unsafe { if let Some(xDeviceCharacteristics) = ((*self.methods_ptr).xDeviceCharacteristics) { - xDeviceCharacteristics(self.file_ptr) + Ok(xDeviceCharacteristics(self.file_ptr)) } else { - -1 + Err(Error::new(ErrorKind::Other, "Missing device characteristics")) } } } @@ -457,13 +460,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xShmMap) = ((*self.methods_ptr).xShmMap) { let result = xShmMap(self.file_ptr,i_pg, pgsz, arg2, arg3); - if result >= 0 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while using mmap")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -472,13 +475,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xShmLock) = ((*self.methods_ptr).xShmLock) { let result = xShmLock(self.file_ptr,offset, n, flags); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while applying a lock to mmap")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -489,7 +492,7 @@ impl SqliteIoMethods for DefaultFile { xShmBarrier(self.file_ptr); Ok(()) } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -498,13 +501,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xShmUnmap) = ((*self.methods_ptr).xShmUnmap) { let result = xShmUnmap(self.file_ptr, delete_flag); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while unmapping")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -513,13 +516,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xFetch) = ((*self.methods_ptr).xFetch) { let result = xFetch(self.file_ptr, i_ofst, i_amt, pp); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while fetching")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } @@ -528,13 +531,13 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xUnfetch) = ((*self.methods_ptr).xUnfetch) { let result = xUnfetch(self.file_ptr, i_ofst, p); - if result == 1 { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(crate::ErrorKind::DefineVfs(result))) + Err(Error::new(ErrorKind::Other, "An error occurred while unfetching")) } } else { - Err(Error::new_message("Missing function")) + Err(Error::new(ErrorKind::Other, "An undefined function was called")) } } } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index a8ee0bb..e814bf3 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,13 +1,16 @@ #![allow(non_snake_case)] #![allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods, + SQLITE_IOERR_CLOSE, SQLITE_IOERR_READ, SQLITE_IOERR_WRITE, SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_FSYNC, SQLITE_IOERR_FSTAT, SQLITE_IOERR_LOCK, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_MMAP, SQLITE_IOERR_SHMMAP}; use std::{os::raw::{c_int, c_void}}; use crate::{vfs::traits::SqliteIoMethods}; -use crate::{Error, Result, ErrorKind}; +use std::io::{Error, Result, ErrorKind}; use crate::vfs::vfs::handle_error; +use super::vfs::{handle_int, handle_bool}; + // TODO use libsqlite3-dev, check installed: dpkg-query -l | grep sqlite // Before setting break, enter gdb, run with parameters, then just directly crash it, then run 'where' @@ -34,7 +37,7 @@ unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_i Box::into_raw(f); // Disabling both fails the unit tests, free(): invalid pointer - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_CLOSE)) } unsafe extern "C" fn x_read( @@ -48,7 +51,7 @@ unsafe extern "C" fn x_read( let result = m.aux.read(file, buf, iAmt, iOfst); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_READ)) } @@ -63,7 +66,7 @@ unsafe extern "C" fn x_write( let result = m.aux.write(file, buf, iAmt, iOfst); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_WRITE)) } @@ -76,7 +79,7 @@ unsafe extern "C" fn x_truncate( let result = m.aux.truncate(file, size); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_TRUNCATE)) } @@ -89,7 +92,7 @@ unsafe extern "C" fn x_sync( let result = m.aux.sync(file, flags); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_FSYNC)) } @@ -102,7 +105,7 @@ unsafe extern "C" fn x_file_size( let result = m.aux.file_size(file, pSize); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_FSTAT)) } unsafe extern "C" fn x_lock( @@ -114,7 +117,7 @@ unsafe extern "C" fn x_lock( let result = m.aux.lock(file, arg2); Box::into_raw(f); Box::into_raw(m); - result + handle_int(result, Some(SQLITE_IOERR_LOCK)) } unsafe extern "C" fn x_unlock( @@ -126,7 +129,7 @@ unsafe extern "C" fn x_unlock( let result = m.aux.unlock(file, arg2); Box::into_raw(f); Box::into_raw(m); - result + handle_int(result, Some(SQLITE_IOERR_UNLOCK)) } unsafe extern "C" fn x_check_reserved_lock( @@ -138,7 +141,7 @@ unsafe extern "C" fn x_check_reserved_lock( let result = m.aux.check_reserved_lock(file, pResOut); Box::into_raw(f); Box::into_raw(m); - result + handle_bool(result, None) } unsafe extern "C" fn x_file_control( @@ -151,7 +154,7 @@ unsafe extern "C" fn x_file_control( let result = m.aux.file_control(file, op, pArg); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, None) } @@ -161,7 +164,7 @@ unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) let result = m.aux.sector_size(file); Box::into_raw(f); Box::into_raw(m); - result + handle_int(result, None) } unsafe extern "C" fn x_device_characteristics(file: *mut sqlite3_file) -> c_int { @@ -170,7 +173,7 @@ unsafe extern "C" fn x_device_characteristics(file: *mut sql let result = m.aux.device_characteristics(file); Box::into_raw(f); Box::into_raw(m); - result + handle_int(result, None) } unsafe extern "C" fn x_shm_map( @@ -185,7 +188,7 @@ unsafe extern "C" fn x_shm_map( let result = m.aux.shm_map(file, iPg, pgsz, arg2, arg3); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } unsafe extern "C" fn x_shm_lock( @@ -199,7 +202,7 @@ unsafe extern "C" fn x_shm_lock( let result = m.aux.shm_lock(file, offset, n, flags); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_SHMLOCK)) } @@ -223,7 +226,7 @@ unsafe extern "C" fn x_shm_unmap( let result = m.aux.shm_unmap(file, deleteFlag); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, None) } unsafe extern "C" fn x_fetch( @@ -238,7 +241,7 @@ unsafe extern "C" fn x_fetch( let result = m.aux.fetch(file, iOfst, iAmt, pp); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_MMAP)) } unsafe extern "C" fn x_unfetch( @@ -252,7 +255,7 @@ unsafe extern "C" fn x_unfetch( let result = m.aux.unfetch(file, iOfst, p); Box::into_raw(f); Box::into_raw(m); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_MMAP)) } // C struct polymorphism, given the alignment and field sequence are the same diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 71e475c..9957ec2 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -1,4 +1,4 @@ -use crate::errors::Result; +use std::io::Result; use std::os::raw::{c_int, c_void, c_char}; @@ -31,21 +31,21 @@ pub trait SqliteIoMethods { fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()>; fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()>; fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()>; - fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> c_int; - fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> c_int; + fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result; + fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result; fn check_reserved_lock( &mut self, file: *mut sqlite3_file, p_res_out: *mut c_int, - ) -> c_int; + ) -> Result; fn file_control( &mut self, file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void, ) -> Result<()>; - fn sector_size(&mut self, file: *mut sqlite3_file) -> c_int; - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> c_int; + fn sector_size(&mut self, file: *mut sqlite3_file) -> Result; + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result; fn shm_map( &mut self, file: *mut sqlite3_file, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index b3cb0a7..5841a73 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,25 +1,60 @@ #![allow(non_snake_case)] #![allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, SQLITE_OK, SQLITE_IOERR_ACCESS, SQLITE_IOERR_DELETE, SQLITE_ERROR, SQLITE_CANTOPEN_FULLPATH}; use std::ffi::{CString, CStr}; use std::os::raw::{c_int, c_char, c_void}; use std::ptr; use std::rc::Rc; use crate::ext::{sqlite3ext_vfs_register, sqlite3ext_vfs_find}; -use crate::{ErrorKind, Error}; +use std::io::{Result, Error, ErrorKind}; use super::traits::SqliteVfs; -pub(crate) fn handle_error(result: Result<(), Error>) -> c_int { +pub(crate) fn handle_bool(result: Result, ext_io_err: Option) -> c_int { match result { - Ok(()) => 0, + Ok(i) => if i { 1 } else { 0 }, Err(e) => { - if let ErrorKind::DefineVfs(i) = *e.kind() { - i - } else { - -1 + if let Some(inner_err) = e.into_inner() { + println!("error: {inner_err}"); + } + if let Some(extended) = ext_io_err { + extended + }else { + SQLITE_ERROR + } + } + } +} + +pub(crate) fn handle_int(result: Result, ext_io_err: Option) -> c_int { + match result { + Ok(i) => i, + Err(e) => { + if let Some(inner_err) = e.into_inner() { + println!("error: {inner_err}"); + } + if let Some(extended) = ext_io_err { + extended + }else { + SQLITE_ERROR + } + } + } +} + +pub(crate) fn handle_error(result: Result<()>, ext_io_err: Option) -> c_int { + match result { + Ok(()) => SQLITE_OK, + Err(e) => { + if let Some(inner_err) = e.into_inner() { + println!("error: {inner_err}"); + } + if let Some(extended) = ext_io_err { + extended + }else { + SQLITE_ERROR } } } @@ -39,7 +74,7 @@ unsafe extern "C" fn x_open( Box::into_raw(b); Box::into_raw(vfs); - handle_error(result) + handle_error(result, None /* SQLITE_IOERR_OPEN */) } unsafe extern "C" fn x_delete( @@ -54,7 +89,7 @@ unsafe extern "C" fn x_delete( Box::into_raw(b); Box::into_raw(vfs); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_DELETE)) } unsafe extern "C" fn x_access( @@ -70,7 +105,7 @@ unsafe extern "C" fn x_access( Box::into_raw(b); Box::into_raw(vfs); - handle_error(result) + handle_error(result, Some(SQLITE_IOERR_ACCESS)) } unsafe extern "C" fn x_full_pathname( @@ -86,7 +121,7 @@ unsafe extern "C" fn x_full_pathname( Box::into_raw(b); Box::into_raw(vfs); - handle_error(result) + handle_error(result, Some(SQLITE_CANTOPEN_FULLPATH)) } #[cfg(feature = "vfs_loadext")] @@ -200,7 +235,7 @@ unsafe extern "C" fn x_get_last_error( Box::into_raw(b); Box::into_raw(vfs); - handle_error(result) + handle_error(result, None) } unsafe extern "C" fn x_current_time_int64( @@ -335,11 +370,11 @@ pub fn create_vfs(aux: T, name_ptr: *const c_char, max_path_name_s } } -pub fn handle_vfs_result(result: i32) -> crate::Result<()> { - if result == 0 { +fn handle_vfs_result(result: i32) -> crate::Result<()> { + if result == SQLITE_OK { Ok(()) } else { - Err(Error::new_message(format!("sqlite3_vfs_register failed with error code: {}", result))) + Err(crate::errors::Error::new_message(format!("sqlite3_vfs_register failed with error code: {}", result))) } } From becac894dbe6dad58bd4e330bc4db2cd8e8d0a01 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 24 Oct 2023 17:33:32 +0200 Subject: [PATCH 093/142] cargo fmt -- --emit files --- examples/mem_vfs.rs | 2 +- src/vfs/default.rs | 320 +++++++++++++++++++++++++++--------------- src/vfs/file.rs | 55 +++----- src/vfs/mod.rs | 4 +- src/vfs/traits.rs | 83 ++--------- src/vfs/vfs.rs | 53 ++++--- tests/test_mem_vfs.rs | 15 +- 7 files changed, 285 insertions(+), 247 deletions(-) diff --git a/examples/mem_vfs.rs b/examples/mem_vfs.rs index 15d4674..bde5589 100644 --- a/examples/mem_vfs.rs +++ b/examples/mem_vfs.rs @@ -1,3 +1,3 @@ #![allow(unused)] -include!("../include/mem_vfs.in.rs"); \ No newline at end of file +include!("../include/mem_vfs.in.rs"); diff --git a/src/vfs/default.rs b/src/vfs/default.rs index 2d2a3bb..e42c55d 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -1,15 +1,21 @@ -#![ allow(unused)] -#![ allow(non_snake_case)] +#![allow(unused)] +#![allow(non_snake_case)] use crate::SqliteIoMethods; -use std::io::{Result, Error, ErrorKind}; +use std::io::{Error, ErrorKind, Result}; use super::super::vfs::traits::SqliteVfs; -use std::{os::raw::{c_int, c_void, c_char}, ptr}; +use std::{ + os::raw::{c_char, c_int, c_void}, + ptr, +}; -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, sqlite3_vfs, sqlite3_vfs_find, SQLITE_OK, SQLITE_ERROR, SQLITE_LOCK_NONE}; +use sqlite3ext_sys::{ + sqlite3_file, sqlite3_int64, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, + sqlite3_vfs_find, SQLITE_ERROR, SQLITE_LOCK_NONE, SQLITE_OK, +}; pub struct DefaultVfs { default_vfs: *mut sqlite3_vfs, @@ -35,7 +41,10 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while opening a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while opening a file", + )) } } else { Ok(()) @@ -43,18 +52,17 @@ impl SqliteVfs for DefaultVfs { } } - fn delete( - &mut self, - z_name: *const c_char, - sync_dir: c_int, - ) -> Result<()> { + fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()> { unsafe { if let Some(xDelete) = (*self.default_vfs).xDelete { let result = xDelete(self.default_vfs, z_name, sync_dir); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while removing a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while removing a file", + )) } } else { Ok(()) @@ -62,19 +70,17 @@ impl SqliteVfs for DefaultVfs { } } - fn access( - &mut self, - z_name: *const c_char, - flags: c_int, - p_res_out: *mut c_int, - ) -> Result<()> { + fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()> { unsafe { if let Some(xAccess) = (*self.default_vfs).xAccess { let result = xAccess(self.default_vfs, z_name, flags, p_res_out); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while determining the permissions of a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while determining the permissions of a file", + )) } } else { Ok(()) @@ -94,7 +100,10 @@ impl SqliteVfs for DefaultVfs { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while determining the full pathname of a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while determining the full pathname of a file", + )) } } else { Ok(()) @@ -103,10 +112,7 @@ impl SqliteVfs for DefaultVfs { } #[cfg(feature = "vfs_loadext")] - fn dl_open( - &mut self, - z_filename: *const c_char, - ) -> *mut c_void { + fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { unsafe { if let Some(xDlOpen) = (*self.default_vfs).xDlOpen { xDlOpen(self.default_vfs, z_filename) @@ -117,11 +123,7 @@ impl SqliteVfs for DefaultVfs { } #[cfg(feature = "vfs_loadext")] - fn dl_error( - &mut self, - n_byte: c_int, - z_err_msg: *mut c_char, - ) { + fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char) { unsafe { if let Some(xDlError) = (*self.default_vfs).xDlError { xDlError(self.default_vfs, n_byte, z_err_msg); @@ -144,10 +146,7 @@ impl SqliteVfs for DefaultVfs { } #[cfg(feature = "vfs_loadext")] - fn dl_close( - &mut self, - arg2: *mut c_void, - ) { + fn dl_close(&mut self, arg2: *mut c_void) { unsafe { if let Some(xDlClose) = (*self.default_vfs).xDlClose { xDlClose(self.default_vfs, arg2); @@ -155,11 +154,7 @@ impl SqliteVfs for DefaultVfs { } } - fn randomness( - &mut self, - n_byte: c_int, - z_out: *mut c_char, - ) -> c_int { + fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int { unsafe { if let Some(xRandomness) = (*self.default_vfs).xRandomness { xRandomness(self.default_vfs, n_byte, z_out) @@ -169,10 +164,7 @@ impl SqliteVfs for DefaultVfs { } } - fn sleep( - &mut self, - microseconds: c_int, - ) -> c_int { + fn sleep(&mut self, microseconds: c_int) -> c_int { unsafe { if let Some(xSleep) = (*self.default_vfs).xSleep { xSleep(self.default_vfs, microseconds) @@ -182,10 +174,7 @@ impl SqliteVfs for DefaultVfs { } } - fn current_time( - &mut self, - arg2: *mut f64, - ) -> c_int { + fn current_time(&mut self, arg2: *mut f64) -> c_int { unsafe { if let Some(xCurrentTime) = (*self.default_vfs).xCurrentTime { xCurrentTime(self.default_vfs, arg2) @@ -195,18 +184,17 @@ impl SqliteVfs for DefaultVfs { } } - fn get_last_error( - &mut self, - arg2: c_int, - arg3: *mut c_char, - ) -> Result<()> { + fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()> { unsafe { if let Some(xGetLastError) = (*self.default_vfs).xGetLastError { let result = xGetLastError(self.default_vfs, arg2, arg3); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while determining the last internal error")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while determining the last internal error", + )) } } else { Ok(()) @@ -214,10 +202,7 @@ impl SqliteVfs for DefaultVfs { } } - fn current_time_int64( - &mut self, - arg2: *mut sqlite3_int64, - ) -> c_int { + fn current_time_int64(&mut self, arg2: *mut sqlite3_int64) -> c_int { unsafe { if let Some(xCurrentTimeInt64) = (*self.default_vfs).xCurrentTimeInt64 { xCurrentTimeInt64(self.default_vfs, arg2) @@ -228,11 +213,7 @@ impl SqliteVfs for DefaultVfs { } #[cfg(feature = "vfs_syscall")] - fn set_system_call( - &mut self, - z_name: *const c_char, - arg2: sqlite3_syscall_ptr, - ) -> c_int { + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> c_int { unsafe { if let Some(xSetSystemCall) = (*self.default_vfs).xSetSystemCall { xSetSystemCall(self.default_vfs, z_name, arg2) @@ -243,10 +224,7 @@ impl SqliteVfs for DefaultVfs { } #[cfg(feature = "vfs_syscall")] - fn get_system_call( - &mut self, - z_name: *const c_char, - ) -> sqlite3_syscall_ptr { + fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr { unsafe { if let Some(xGetSystemCall) = (*self.default_vfs).xGetSystemCall { xGetSystemCall(self.default_vfs, z_name) @@ -257,10 +235,7 @@ impl SqliteVfs for DefaultVfs { } #[cfg(feature = "vfs_syscall")] - fn next_system_call( - &mut self, - z_name: *const c_char, - ) -> *const c_char { + fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char { unsafe { if let Some(xNextSystemCall) = (*self.default_vfs).xNextSystemCall { xNextSystemCall(self.default_vfs, z_name) @@ -271,7 +246,6 @@ impl SqliteVfs for DefaultVfs { } } - /// See ORIGFILE https://www.sqlite.org/src/file?name=ext/misc/cksumvfs.c pub struct DefaultFile { methods_ptr: *mut sqlite3_io_methods, @@ -288,7 +262,7 @@ impl DefaultFile { } Self { file_ptr, - methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut() + methods_ptr: (unsafe { *file_ptr }).pMethods.cast_mut(), } } } @@ -301,10 +275,16 @@ impl SqliteIoMethods for DefaultFile { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while attempting to close a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while attempting to close a file", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -316,10 +296,16 @@ impl SqliteIoMethods for DefaultFile { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while reading from a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while reading from a file", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -337,14 +323,20 @@ impl SqliteIoMethods for DefaultFile { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while writing to a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while writing to a file", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - + fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { unsafe { if let Some(xTruncate) = ((*self.methods_ptr).xTruncate) { @@ -352,10 +344,16 @@ impl SqliteIoMethods for DefaultFile { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while truncating a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while truncating a file", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -363,29 +361,41 @@ impl SqliteIoMethods for DefaultFile { fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()> { unsafe { if let Some(xSync) = ((*self.methods_ptr).xSync) { - let result = xSync(self.file_ptr,flags); + let result = xSync(self.file_ptr, flags); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while updating the metadata of a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while updating the metadata of a file", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - + fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut sqlite3_int64) -> Result<()> { unsafe { if let Some(xFileSize) = ((*self.methods_ptr).xFileSize) { - let result = xFileSize(self.file_ptr,p_size); + let result = xFileSize(self.file_ptr, p_size); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while determining the size a file")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while determining the size a file", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -394,8 +404,11 @@ impl SqliteIoMethods for DefaultFile { unsafe { if let Some(xLock) = ((*self.methods_ptr).xLock) { Ok(xLock(self.file_ptr, arg2)) - }else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + } else { + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -403,39 +416,60 @@ impl SqliteIoMethods for DefaultFile { fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result { unsafe { if let Some(xUnlock) = ((*self.methods_ptr).xUnlock) { - Ok(xUnlock(self.file_ptr,arg2)) + Ok(xUnlock(self.file_ptr, arg2)) } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut c_int) -> Result { + + fn check_reserved_lock( + &mut self, + file: *mut sqlite3_file, + p_res_out: *mut c_int, + ) -> Result { unsafe { if let Some(xCheckReservedLock) = ((*self.methods_ptr).xCheckReservedLock) { let result = xCheckReservedLock(self.file_ptr, p_res_out); Ok(result > 0) } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - fn file_control(&mut self, file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void) -> Result<()> { + fn file_control( + &mut self, + file: *mut sqlite3_file, + op: c_int, + p_arg: *mut c_void, + ) -> Result<()> { unsafe { if let Some(xFileControl) = ((*self.methods_ptr).xFileControl) { let result = xFileControl(self.file_ptr, op, p_arg); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while setting file parameters")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while setting file parameters", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - + fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { unsafe { if let Some(xSectorSize) = ((*self.methods_ptr).xSectorSize) { @@ -451,37 +485,65 @@ impl SqliteIoMethods for DefaultFile { if let Some(xDeviceCharacteristics) = ((*self.methods_ptr).xDeviceCharacteristics) { Ok(xDeviceCharacteristics(self.file_ptr)) } else { - Err(Error::new(ErrorKind::Other, "Missing device characteristics")) + Err(Error::new( + ErrorKind::Other, + "Missing device characteristics", + )) } } } - fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: c_int, pgsz: c_int, arg2: c_int, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map( + &mut self, + file: *mut sqlite3_file, + i_pg: c_int, + pgsz: c_int, + arg2: c_int, + arg3: *mut *mut c_void, + ) -> Result<()> { unsafe { if let Some(xShmMap) = ((*self.methods_ptr).xShmMap) { - let result = xShmMap(self.file_ptr,i_pg, pgsz, arg2, arg3); + let result = xShmMap(self.file_ptr, i_pg, pgsz, arg2, arg3); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while using mmap")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while using mmap", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - fn shm_lock(&mut self, file: *mut sqlite3_file, offset: c_int, n: c_int, flags: c_int) -> Result<()> { + fn shm_lock( + &mut self, + file: *mut sqlite3_file, + offset: c_int, + n: c_int, + flags: c_int, + ) -> Result<()> { unsafe { if let Some(xShmLock) = ((*self.methods_ptr).xShmLock) { - let result = xShmLock(self.file_ptr,offset, n, flags); + let result = xShmLock(self.file_ptr, offset, n, flags); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while applying a lock to mmap")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while applying a lock to mmap", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -492,7 +554,10 @@ impl SqliteIoMethods for DefaultFile { xShmBarrier(self.file_ptr); Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -504,25 +569,43 @@ impl SqliteIoMethods for DefaultFile { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while unmapping")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while unmapping", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } - fn fetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, i_amt: i32, pp: *mut *mut c_void) -> Result<()> { + fn fetch( + &mut self, + file: *mut sqlite3_file, + i_ofst: i64, + i_amt: i32, + pp: *mut *mut c_void, + ) -> Result<()> { unsafe { if let Some(xFetch) = ((*self.methods_ptr).xFetch) { let result = xFetch(self.file_ptr, i_ofst, i_amt, pp); if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while fetching")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while fetching", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } @@ -534,12 +617,17 @@ impl SqliteIoMethods for DefaultFile { if result == SQLITE_OK { Ok(()) } else { - Err(Error::new(ErrorKind::Other, "An error occurred while unfetching")) + Err(Error::new( + ErrorKind::Other, + "An error occurred while unfetching", + )) } } else { - Err(Error::new(ErrorKind::Other, "An undefined function was called")) + Err(Error::new( + ErrorKind::Other, + "An undefined function was called", + )) } } } } - \ No newline at end of file diff --git a/src/vfs/file.rs b/src/vfs/file.rs index e814bf3..2a2367a 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,15 +1,19 @@ -#![allow(non_snake_case)] -#![allow(unused)] - -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_io_methods, - SQLITE_IOERR_CLOSE, SQLITE_IOERR_READ, SQLITE_IOERR_WRITE, SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_FSYNC, SQLITE_IOERR_FSTAT, SQLITE_IOERR_LOCK, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_MMAP, SQLITE_IOERR_SHMMAP}; -use std::{os::raw::{c_int, c_void}}; - -use crate::{vfs::traits::SqliteIoMethods}; -use std::io::{Error, Result, ErrorKind}; +#![allow(non_snake_case)] +#![allow(unused)] + +use sqlite3ext_sys::{ + sqlite3_file, sqlite3_int64, sqlite3_io_methods, SQLITE_IOERR_CLOSE, SQLITE_IOERR_FSTAT, + SQLITE_IOERR_FSYNC, SQLITE_IOERR_LOCK, SQLITE_IOERR_MMAP, SQLITE_IOERR_READ, + SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP, SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, + SQLITE_IOERR_WRITE, +}; +use std::os::raw::{c_int, c_void}; + +use crate::vfs::traits::SqliteIoMethods; use crate::vfs::vfs::handle_error; +use std::io::{Error, ErrorKind, Result}; -use super::vfs::{handle_int, handle_bool}; +use super::vfs::{handle_bool, handle_int}; // TODO use libsqlite3-dev, check installed: dpkg-query -l | grep sqlite @@ -54,7 +58,6 @@ unsafe extern "C" fn x_read( handle_error(result, Some(SQLITE_IOERR_READ)) } - unsafe extern "C" fn x_write( file: *mut sqlite3_file, buf: *const c_void, @@ -69,7 +72,6 @@ unsafe extern "C" fn x_write( handle_error(result, Some(SQLITE_IOERR_WRITE)) } - unsafe extern "C" fn x_truncate( file: *mut sqlite3_file, size: sqlite3_int64, @@ -82,11 +84,7 @@ unsafe extern "C" fn x_truncate( handle_error(result, Some(SQLITE_IOERR_TRUNCATE)) } - -unsafe extern "C" fn x_sync( - file: *mut sqlite3_file, - flags: c_int, -) -> c_int { +unsafe extern "C" fn x_sync(file: *mut sqlite3_file, flags: c_int) -> c_int { let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); let result = m.aux.sync(file, flags); @@ -95,7 +93,6 @@ unsafe extern "C" fn x_sync( handle_error(result, Some(SQLITE_IOERR_FSYNC)) } - unsafe extern "C" fn x_file_size( file: *mut sqlite3_file, pSize: *mut sqlite3_int64, @@ -108,10 +105,7 @@ unsafe extern "C" fn x_file_size( handle_error(result, Some(SQLITE_IOERR_FSTAT)) } -unsafe extern "C" fn x_lock( - file: *mut sqlite3_file, - arg2: c_int, -) -> c_int { +unsafe extern "C" fn x_lock(file: *mut sqlite3_file, arg2: c_int) -> c_int { let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); let result = m.aux.lock(file, arg2); @@ -120,10 +114,7 @@ unsafe extern "C" fn x_lock( handle_int(result, Some(SQLITE_IOERR_LOCK)) } -unsafe extern "C" fn x_unlock( - file: *mut sqlite3_file, - arg2: c_int, -) -> c_int { +unsafe extern "C" fn x_unlock(file: *mut sqlite3_file, arg2: c_int) -> c_int { let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); let result = m.aux.unlock(file, arg2); @@ -157,7 +148,6 @@ unsafe extern "C" fn x_file_control( handle_error(result, None) } - unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) -> c_int { let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); @@ -167,7 +157,9 @@ unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) handle_int(result, None) } -unsafe extern "C" fn x_device_characteristics(file: *mut sqlite3_file) -> c_int { +unsafe extern "C" fn x_device_characteristics( + file: *mut sqlite3_file, +) -> c_int { let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); let result = m.aux.device_characteristics(file); @@ -205,7 +197,6 @@ unsafe extern "C" fn x_shm_lock( handle_error(result, Some(SQLITE_IOERR_SHMLOCK)) } - unsafe extern "C" fn x_shm_barrier(file: *mut sqlite3_file) { let mut f = Box::>::from_raw(file.cast::>()); let mut m = Box::>::from_raw(f.0.cast_mut()); @@ -260,7 +251,7 @@ unsafe extern "C" fn x_unfetch( // C struct polymorphism, given the alignment and field sequence are the same #[repr(C)] -pub struct FileWithAux (*const MethodsWithAux); +pub struct FileWithAux(*const MethodsWithAux); unsafe fn create_io_methods(aux: T) -> MethodsWithAux { MethodsWithAux { @@ -283,7 +274,7 @@ unsafe fn create_io_methods(aux: T) -> MethodsWithAux { xShmUnmap: Some(x_shm_unmap::), xFetch: Some(x_fetch::), xUnfetch: Some(x_unfetch::), - aux + aux, } } @@ -410,4 +401,4 @@ pub struct MethodsWithAux { ) -> ::std::os::raw::c_int, >, pub aux: T, -} \ No newline at end of file +} diff --git a/src/vfs/mod.rs b/src/vfs/mod.rs index 43d59a9..42b854c 100644 --- a/src/vfs/mod.rs +++ b/src/vfs/mod.rs @@ -1,4 +1,4 @@ +pub mod default; +pub mod file; pub mod traits; pub mod vfs; -pub mod file; -pub mod default; \ No newline at end of file diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 9957ec2..433ce4f 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -1,6 +1,6 @@ use std::io::Result; -use std::os::raw::{c_int, c_void, c_char}; +use std::os::raw::{c_char, c_int, c_void}; use sqlite3ext_sys::sqlite3_file; @@ -62,11 +62,7 @@ pub trait SqliteIoMethods { flags: c_int, ) -> Result<()>; fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()>; - fn shm_unmap( - &mut self, - file: *mut sqlite3_file, - delete_flag: c_int, - ) -> Result<()>; + fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: c_int) -> Result<()>; fn fetch( &mut self, file: *mut sqlite3_file, @@ -74,12 +70,7 @@ pub trait SqliteIoMethods { i_amt: c_int, pp: *mut *mut c_void, ) -> Result<()>; - fn unfetch( - &mut self, - file: *mut sqlite3_file, - i_ofst: i64, - p: *mut c_void, - ) -> Result<()>; + fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()>; } // TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) @@ -92,18 +83,9 @@ pub trait SqliteVfs { p_out_flags: *mut c_int, ) -> Result<()>; - fn delete( - &mut self, - z_name: *const c_char, - sync_dir: c_int, - ) -> Result<()>; + fn delete(&mut self, z_name: *const c_char, sync_dir: c_int) -> Result<()>; - fn access( - &mut self, - z_name: *const c_char, - flags: c_int, - p_res_out: *mut c_int, - ) -> Result<()>; + fn access(&mut self, z_name: *const c_char, flags: c_int, p_res_out: *mut c_int) -> Result<()>; fn full_pathname( &mut self, @@ -113,17 +95,10 @@ pub trait SqliteVfs { ) -> Result<()>; #[cfg(feature = "vfs_loadext")] - fn dl_open( - &mut self, - z_filename: *const c_char, - ) -> *mut c_void; + fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void; #[cfg(feature = "vfs_loadext")] - fn dl_error( - &mut self, - n_byte: c_int, - z_err_msg: *mut c_char, - ); + fn dl_error(&mut self, n_byte: c_int, z_err_msg: *mut c_char); #[cfg(feature = "vfs_loadext")] fn dl_sym( @@ -131,56 +106,28 @@ pub trait SqliteVfs { arg2: *mut c_void, z_symbol: *const c_char, ) -> Option< - unsafe extern "C" fn( - arg1: *mut sqlite3_vfs, - arg2: *mut c_void, - z_symbol: *const c_char, - ), + unsafe extern "C" fn(arg1: *mut sqlite3_vfs, arg2: *mut c_void, z_symbol: *const c_char), >; #[cfg(feature = "vfs_loadext")] fn dl_close(&mut self, arg2: *mut c_void); - fn randomness( - &mut self, - n_byte: c_int, - z_out: *mut c_char, - ) -> c_int; + fn randomness(&mut self, n_byte: c_int, z_out: *mut c_char) -> c_int; - fn sleep( - &mut self, - microseconds: c_int, - ) -> c_int; + fn sleep(&mut self, microseconds: c_int) -> c_int; fn current_time(&mut self, arg2: *mut f64) -> c_int; - fn get_last_error( - &mut self, - arg2: c_int, - arg3: *mut c_char, - ) -> Result<()>; + fn get_last_error(&mut self, arg2: c_int, arg3: *mut c_char) -> Result<()>; - fn current_time_int64( - &mut self, - arg2: *mut i64, - ) -> c_int; + fn current_time_int64(&mut self, arg2: *mut i64) -> c_int; #[cfg(feature = "vfs_syscall")] - fn set_system_call( - &mut self, - z_name: *const c_char, - arg2: sqlite3_syscall_ptr, - ) -> c_int; + fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> c_int; #[cfg(feature = "vfs_syscall")] - fn get_system_call( - &mut self, - z_name: *const c_char, - ) -> sqlite3_syscall_ptr; + fn get_system_call(&mut self, z_name: *const c_char) -> sqlite3_syscall_ptr; #[cfg(feature = "vfs_syscall")] - fn next_system_call( - &mut self, - z_name: *const c_char, - ) -> *const c_char; + fn next_system_call(&mut self, z_name: *const c_char) -> *const c_char; } diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 5841a73..6fcfc1e 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,27 +1,36 @@ #![allow(non_snake_case)] #![allow(unused)] -use sqlite3ext_sys::{sqlite3_file, sqlite3_int64, sqlite3_vfs, sqlite3_syscall_ptr, SQLITE_OK, SQLITE_IOERR_ACCESS, SQLITE_IOERR_DELETE, SQLITE_ERROR, SQLITE_CANTOPEN_FULLPATH}; -use std::ffi::{CString, CStr}; -use std::os::raw::{c_int, c_char, c_void}; +use sqlite3ext_sys::{ + sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs, SQLITE_CANTOPEN_FULLPATH, + SQLITE_ERROR, SQLITE_IOERR_ACCESS, SQLITE_IOERR_DELETE, SQLITE_OK, +}; +use std::ffi::{CStr, CString}; +use std::os::raw::{c_char, c_int, c_void}; use std::ptr; use std::rc::Rc; -use crate::ext::{sqlite3ext_vfs_register, sqlite3ext_vfs_find}; -use std::io::{Result, Error, ErrorKind}; +use crate::ext::{sqlite3ext_vfs_find, sqlite3ext_vfs_register}; +use std::io::{Error, ErrorKind, Result}; use super::traits::SqliteVfs; pub(crate) fn handle_bool(result: Result, ext_io_err: Option) -> c_int { match result { - Ok(i) => if i { 1 } else { 0 }, + Ok(i) => { + if i { + 1 + } else { + 0 + } + } Err(e) => { if let Some(inner_err) = e.into_inner() { println!("error: {inner_err}"); } if let Some(extended) = ext_io_err { extended - }else { + } else { SQLITE_ERROR } } @@ -37,7 +46,7 @@ pub(crate) fn handle_int(result: Result, ext_io_err: Option) -> c_ } if let Some(extended) = ext_io_err { extended - }else { + } else { SQLITE_ERROR } } @@ -53,7 +62,7 @@ pub(crate) fn handle_error(result: Result<()>, ext_io_err: Option) -> c_i } if let Some(extended) = ext_io_err { extended - }else { + } else { SQLITE_ERROR } } @@ -171,10 +180,7 @@ unsafe extern "C" fn x_dl_sym( #[cfg(feature = "vfs_loadext")] /// Let Boxes go out of scope, thus drop -unsafe extern "C" fn x_dl_close( - p_vfs: *mut sqlite3_vfs, - p_handle: *mut c_void, -) { +unsafe extern "C" fn x_dl_close(p_vfs: *mut sqlite3_vfs, p_handle: *mut c_void) { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); b.dl_close(p_handle); @@ -195,10 +201,7 @@ unsafe extern "C" fn x_randomness( result } -unsafe extern "C" fn x_sleep( - p_vfs: *mut sqlite3_vfs, - microseconds: c_int, -) -> c_int { +unsafe extern "C" fn x_sleep(p_vfs: *mut sqlite3_vfs, microseconds: c_int) -> c_int { let mut vfs = Box::::from_raw(p_vfs); let mut b = Box::::from_raw(vfs.pAppData.cast::()); @@ -298,7 +301,12 @@ unsafe extern "C" fn x_next_system_call( result } -pub fn create_vfs(aux: T, name_ptr: *const c_char, max_path_name_size: i32, vfs_file_size: i32) -> sqlite3_vfs { +pub fn create_vfs( + aux: T, + name_ptr: *const c_char, + max_path_name_size: i32, + vfs_file_size: i32, +) -> sqlite3_vfs { unsafe { let vfs_ptr = Box::into_raw(Box::::new(aux)); @@ -319,7 +327,7 @@ pub fn create_vfs(aux: T, name_ptr: *const c_char, max_path_name_s xDelete: Some(x_delete::), xAccess: Some(x_access::), xFullPathname: Some(x_full_pathname::), - + /// The following four VFS methods: /// /// xDlOpen @@ -374,7 +382,10 @@ fn handle_vfs_result(result: i32) -> crate::Result<()> { if result == SQLITE_OK { Ok(()) } else { - Err(crate::errors::Error::new_message(format!("sqlite3_vfs_register failed with error code: {}", result))) + Err(crate::errors::Error::new_message(format!( + "sqlite3_vfs_register failed with error code: {}", + result + ))) } } @@ -382,6 +393,6 @@ pub fn register_boxed_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result let translate_to_int = if make_default { 1 } else { 0 }; let result = unsafe { sqlite3ext_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; - + handle_vfs_result(result) } diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 752bc67..3508867 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -11,9 +11,7 @@ mod tests { #[test] fn test_rusqlite_auto_extension() { unsafe { - sqlite3_auto_extension(Some(std::mem::transmute( - sqlite3_memvfs_init as *const (), - ))); + sqlite3_auto_extension(Some(std::mem::transmute(sqlite3_memvfs_init as *const ()))); } let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; @@ -23,12 +21,15 @@ mod tests { conn.execute("ATTACH DATABASE mem_vfs_uri() AS inmem;", ()); conn.execute("CREATE TABLE t3(x, y)", ()); - conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ()); + conn.execute( + "INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", + (), + ); let result: String = conn - .query_row("select x from t3 where y = 4", (), |x| x.get(0)) - .unwrap(); + .query_row("select x from t3 where y = 4", (), |x| x.get(0)) + .unwrap(); assert_eq!(result, "a"); } -} \ No newline at end of file +} From 42e3e9e5ebb69326b5767671a845186d042ae473 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 24 Oct 2023 17:57:09 +0200 Subject: [PATCH 094/142] the benchmark vfs project can compile ready to merge the locking logic --- benchmarks/vfs/io_uring/src/connection.rs | 10 ++- benchmarks/vfs/io_uring/src/lib.rs | 19 ++--- benchmarks/vfs/io_uring/src/lock/file.rs | 2 - benchmarks/vfs/io_uring/src/lock/kind.rs | 1 - benchmarks/vfs/io_uring/src/lock/mod.rs | 95 ++++------------------ benchmarks/vfs/io_uring/src/lock/range.rs | 7 -- benchmarks/vfs/io_uring/src/lock/traits.rs | 51 +++++++++--- benchmarks/vfs/io_uring/src/lock/wal.rs | 1 + benchmarks/vfs/io_uring/src/ops.rs | 72 ++++++++-------- 9 files changed, 108 insertions(+), 150 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/connection.rs b/benchmarks/vfs/io_uring/src/connection.rs index 58cc19d..6572403 100644 --- a/benchmarks/vfs/io_uring/src/connection.rs +++ b/benchmarks/vfs/io_uring/src/connection.rs @@ -12,11 +12,13 @@ use crate::lock::traits::{DatabaseHandle, OpenAccess, OpenKind, OpenOptions, Ope use crate::lock::wal::WalIndex; use crate::lock::wrapper::Lock; + + /// [Vfs] test implementation based on Rust's [std::fs:File]. This implementation is not meant for /// any use-cases except running SQLite unit tests, as the locking is only managed in process /// memory. #[derive(Default)] -pub struct TestVfs { +pub struct TestLockedVfs { temp_counter: AtomicUsize, } @@ -34,7 +36,7 @@ pub struct WalConnection { readonly: bool, } -impl Open for TestVfs { +impl Open for TestLockedVfs { type Handle = Connection; fn open(&self, db: &str, opts: OpenOptions) -> Result { @@ -50,7 +52,7 @@ impl Open for TestVfs { o.create(true); true } - OpenAccess::CreateNew => { + OpenAccess::CreateNewThrowIfExists => { o.create_new(true); true } @@ -373,7 +375,7 @@ fn normalize_path(path: &Path) -> PathBuf { ret } -fn permissions(path: &Path) -> io::Result { +pub(crate) fn permissions(path: &Path) -> io::Result { let path = path.with_extension( path.extension() .and_then(|ext| ext.to_str()) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index eaab3f9..cf40d53 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -8,10 +8,10 @@ use ops::Ops; use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control, sqlite3ext_vfs_register, sqlite3ext_database_file_object}; use sqlite_loadable::vfs::default::{DefaultVfs, DefaultFile}; -use sqlite_loadable::vfs::vfs::{create_vfs, handle_vfs_result}; +use sqlite_loadable::vfs::vfs::{create_vfs}; use sqlite_loadable::vfs::file::{MethodsWithAux, FileWithAux}; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, Error, ErrorKind, define_scalar_function, api, Result, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, define_scalar_function, api, vfs::traits::SqliteVfs}; use url::Url; use std::ffi::{CString, CStr}; @@ -23,6 +23,8 @@ use std::{ptr, mem}; use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE, SQLITE_OPEN_WAL}; +use std::io::{Error, Result, ErrorKind}; + /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c // Based on the following article for default vfs, mem vfs and io uring vfs @@ -45,7 +47,7 @@ impl SqliteVfs for IoUringVfs { let db_file_obj = unsafe { sqlite3ext_database_file_object(file_path.as_ptr()) }; let mut file = Ops::new(file_path.to_owned(), 32); - file.open_file().map_err(|_| Error::new_message("can't open file"))?; + file.open_file().map_err(|_| Error::new(ErrorKind::Other, "can't open file"))?; unsafe { *p_file = *create_file_pointer( file ); } @@ -136,8 +138,8 @@ impl SqliteVfs for IoUringVfs { } /// Usage: "ATTACH io_uring_vfs_from_file('test.db') AS inring;" -fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> Result<()> { - let path = api::value_text(&values[0]).map_err(|_| Error::new_message("can't determine path arg"))?; +fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> sqlite_loadable::Result<()> { + let path = api::value_text(&values[0])?; let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); @@ -148,18 +150,13 @@ fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) - // See Cargo.toml "[[lib]] name = ..." matches this function name #[sqlite_entrypoint_permanent] -pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> Result<()> { +pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); let shimmed_name = CString::new("unix-dotfile").unwrap(); let shimmed_vfs_char = shimmed_name.as_ptr() as *const c_char; let shimmed_vfs = unsafe { sqlite3ext_vfs_find(shimmed_vfs_char) }; - unsafe { - let result = sqlite3ext_vfs_register(shimmed_vfs, 1); - handle_vfs_result(result)?; - } - let ring_vfs = IoUringVfs { default_vfs: unsafe { // pass thru diff --git a/benchmarks/vfs/io_uring/src/lock/file.rs b/benchmarks/vfs/io_uring/src/lock/file.rs index 041da68..a5306ff 100644 --- a/benchmarks/vfs/io_uring/src/lock/file.rs +++ b/benchmarks/vfs/io_uring/src/lock/file.rs @@ -7,8 +7,6 @@ use std::{env, io}; use super::kind::LockKind; use super::wrapper::{flock_unlock, flock_shared, flock_exclusive}; -// use crate::lock::{flock_exclusive, flock_shared, flock_unlock}; - pub struct FileLock { file: Option, fd: RawFd, diff --git a/benchmarks/vfs/io_uring/src/lock/kind.rs b/benchmarks/vfs/io_uring/src/lock/kind.rs index cc325de..0b3f04d 100644 --- a/benchmarks/vfs/io_uring/src/lock/kind.rs +++ b/benchmarks/vfs/io_uring/src/lock/kind.rs @@ -1,4 +1,3 @@ -use sqlite3ext_sys::{SQLITE_LOCK_EXCLUSIVE, SQLITE_LOCK_PENDING, SQLITE_LOCK_RESERVED, SQLITE_LOCK_SHARED, SQLITE_LOCK_NONE}; use strum::FromRepr; /// The access an object is opened with. diff --git a/benchmarks/vfs/io_uring/src/lock/mod.rs b/benchmarks/vfs/io_uring/src/lock/mod.rs index e665530..4ec32b1 100644 --- a/benchmarks/vfs/io_uring/src/lock/mod.rs +++ b/benchmarks/vfs/io_uring/src/lock/mod.rs @@ -5,29 +5,29 @@ pub(crate) mod wal; pub(crate) mod wrapper; pub(crate) mod traits; -/* -use std::{fs::{self, Permissions}, ffi::CString, sync::{Mutex, Arc}, mem::MaybeUninit, collections::HashMap, pin::Pin, io::ErrorKind}; +use std::{fs::{self, Permissions}, ffi::CString, sync::{Mutex, Arc}, mem::MaybeUninit, collections::HashMap, pin::Pin, io::ErrorKind, os::unix::prelude::PermissionsExt}; use sqlite3ext_sys::{self, sqlite3_file, SQLITE_IOERR_LOCK, SQLITE_OK, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_CHECKRESERVEDLOCK, SQLITE_BUSY}; -use self::{kind::LockKind, range::RangeLock, wal::{WalConnection, WalIndexLock, WalIndex}, file::FileLock}; +use crate::connection::permissions; + +use self::{kind::LockKind, range::RangeLock, wal::{WalConnection, WalIndex}, file::FileLock, traits::DatabaseHandle}; // TODO: add to [Vfs]? const MAX_PATH_LENGTH: usize = 512; - -#[repr(C)] -struct FileState { +struct State { + name: CString, + vfs: Arc, last_error: Arc>>, next_id: usize, - ext: MaybeUninit, // TODO drop manually } #[repr(C)] -struct FileExt { - // vfs: Arc, - // vfs_name: CString, - // db_name: String, - // file: F, +struct FileExt { + vfs: Arc, + vfs_name: CString, + db_name: String, + file: F, delete_on_close: bool, /// The last error; shared with the VFS. last_error: Arc>>, @@ -35,7 +35,7 @@ struct FileExt { last_errno: i32, wal_index: Option<(F::WalIndex, bool)>, wal_index_regions: HashMap>>, - wal_index_locks: HashMap, + wal_index_locks: HashMap, has_exclusive_lock: bool, id: usize, chunk_size: Option, @@ -60,12 +60,11 @@ impl FileExt { } } - fn null_ptr_error() -> std::io::Error { std::io::Error::new(ErrorKind::Other, "received null pointer") } -impl FileExt { +impl FileExt { /// Lock a file. pub(crate) fn lock( // p_file: *mut sqlite3_file, @@ -78,7 +77,7 @@ impl FileExt { // }; // log::trace!("[{}] lock ({})", state.id, state.db_name); - let lock = match LockKind::from_i32(e_lock) { + let lock = match LockKind::from_repr(e_lock) { Some(lock) => lock, None => return SQLITE_IOERR_LOCK, }; @@ -93,7 +92,7 @@ impl FileExt { let has_exclusive_wal_index = self .wal_index_locks .iter() - .any(|(_, lock)| *lock == WalIndexLock::Exclusive); + .any(|(_, lock)| *lock == LockKind::Exclusive); if !has_exclusive_wal_index { // log::trace!( @@ -142,7 +141,7 @@ impl FileExt { // }; // log::trace!("[{}] unlock ({})", state.id, state.db_name); - let lock = match LockKind::from_i32(e_lock) { + let lock = match LockKind::from_repr(e_lock) { Some(lock) => lock, None => return SQLITE_IOERR_UNLOCK, }; @@ -184,64 +183,4 @@ impl FileExt { SQLITE_OK } - - fn wal_index(&self, readonly: bool) -> Result { - let path = self.path.with_extension(format!( - "{}-shm", - self.path - .extension() - .and_then(|ext| ext.to_str()) - .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) - .unwrap_or("db") - )); - let is_new = !path.exists(); - - let mut opts = fs::OpenOptions::new(); - opts.read(true); - if !readonly { - opts.write(true).create(true).truncate(false); - } - - let file = opts.open(&path)?; - let mut file_lock = FileLock::new(file); - if !readonly && file_lock.exclusive() { - // If it is the first connection to open the database, truncate the index. - let new_file = fs::OpenOptions::new() - .read(true) - .write(true) - .create(true) - .truncate(true) - .open(&path) - .map_err(|err| err)?; - - let new_lock = FileLock::new(new_file); - - if is_new { - let mode = permissions(&self.path)?; - let perm = Permissions::from_mode(mode); - // Match permissions of main db file, but don't downgrade to readonly. - if !perm.readonly() { - fs::set_permissions(&path, perm)?; - } - } - - // Transition previous lock to shared before getting a shared on the new file - // descriptor to make sure that there isn't any other concurrent process/thread getting - // an exclusive lock during the transition. - assert!(file_lock.shared()); - assert!(new_lock.shared()); - - file_lock = new_lock; - } else { - file_lock.wait_shared(); - } - - Ok(WalConnection { - path, - file_lock, - wal_lock: RangeLock::new(self.file_ino), - readonly, - }) - } } -*/ \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/range.rs b/benchmarks/vfs/io_uring/src/lock/range.rs index 18a13a8..97a978b 100644 --- a/benchmarks/vfs/io_uring/src/lock/range.rs +++ b/benchmarks/vfs/io_uring/src/lock/range.rs @@ -8,13 +8,6 @@ use super::file::FileLock; use super::kind::LockKind; use super::wrapper::{flock_unlock, flock_shared, flock_exclusive}; -// use crate::lock::{flock_exclusive, flock_shared, flock_unlock}; - -// use sqlite_vfs::wip::WalIndexLock as LockKind; - -// use crate::file_lock::FileLock; -// use crate::lock::{flock_exclusive, flock_shared, flock_unlock}; - /// SQLite's default locking on UNIX systems is quite involved to work around certain limitations /// of POSIX locks. See https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L1026-L1114 for /// details. diff --git a/benchmarks/vfs/io_uring/src/lock/traits.rs b/benchmarks/vfs/io_uring/src/lock/traits.rs index 3fdfebe..42e8391 100644 --- a/benchmarks/vfs/io_uring/src/lock/traits.rs +++ b/benchmarks/vfs/io_uring/src/lock/traits.rs @@ -33,33 +33,58 @@ pub struct OpenOptions { delete_on_close: bool, } +/* +SQLITE_OPEN_MEMORY: i32 = 128; +SQLITE_OPEN_MAIN_DB: i32 = 256; +SQLITE_OPEN_TEMP_DB: i32 = 512; +SQLITE_OPEN_TRANSIENT_DB: i32 = 1024; +SQLITE_OPEN_MAIN_JOURNAL: i32 = 2048; +SQLITE_OPEN_TEMP_JOURNAL: i32 = 4096; +SQLITE_OPEN_SUBJOURNAL: i32 = 8192; +SQLITE_OPEN_SUPER_JOURNAL: i32 = 16384; +SQLITE_OPEN_NOMUTEX: i32 = 32768; +SQLITE_OPEN_FULLMUTEX: i32 = 65536; +SQLITE_OPEN_SHAREDCACHE: i32 = 131072; +SQLITE_OPEN_PRIVATECACHE: i32 = 262144; +SQLITE_OPEN_WAL: i32 = 524288; +SQLITE_OPEN_NOFOLLOW: i32 = 16777216; +SQLITE_OPEN_MASTER_JOURNAL: i32 = 16384; +*/ + /// The object type that is being opened. -#[derive(Debug, Clone, Copy, PartialEq)] +#[derive(FromRepr, Debug, Clone, Copy, PartialEq)] +#[repr(i32)] pub enum OpenKind { - MainDb, - MainJournal, - TempDb, - TempJournal, - TransientDb, - SubJournal, - SuperJournal, - Wal, + MainDb = 256, // SQLITE_OPEN_MAIN_DB, + MainJournal = 2048, // SQLITE_OPEN_MAIN_JOURNAL + TempDb = 512, // SQLITE_OPEN_TEMP_DB + TempJournal = 4096, // SQLITE_OPEN_TEMP_JOURNAL + TransientDb = 1024, // SQLITE_OPEN_TRANSIENT_DB + SubJournal = 8192, // SQLITE_OPEN_SUBJOURNAL + SuperJournal = 16384, // SQLITE_OPEN_SUPER_JOURNAL / SQLITE_OPEN_MASTER_JOURNAL + Wal = 524288, // SQLITE_OPEN_WAL } +/* +pub const SQLITE_OPEN_READONLY: i32 = 1; +pub const SQLITE_OPEN_READWRITE: i32 = 2; +pub const SQLITE_OPEN_CREATE: i32 = 4; +*/ /// The access an object is opened with. #[derive(FromRepr, Debug, Clone, Copy, PartialEq)] +#[repr(i32)] pub enum OpenAccess { /// Read access. - Read, + Read = 1, /// Write access (includes read access). - Write, + Write = 2, /// Create the file if it does not exist (includes write and read access). - Create, + Create = 4, /// Create the file, but throw if it it already exist (includes write and read access). - CreateNew, + CreateNewThrowIfExists = 8, // TODO figure out how to support on io_uring } diff --git a/benchmarks/vfs/io_uring/src/lock/wal.rs b/benchmarks/vfs/io_uring/src/lock/wal.rs index 018eb76..51886ad 100644 --- a/benchmarks/vfs/io_uring/src/lock/wal.rs +++ b/benchmarks/vfs/io_uring/src/lock/wal.rs @@ -1,6 +1,7 @@ use std::{ops::Range, path::PathBuf, fs::File}; use super::{*, range::RangeLock, wrapper::Lock, file::FileLock, kind::LockKind}; +// NOTE: subsumed by LockKind // #[derive(Debug, Clone, Copy, PartialEq, Eq)] // #[repr(u16)] // pub enum WalIndexLock { diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index bb88bf5..cd9b62a 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -4,11 +4,14 @@ use std::os::raw::c_void; use std::fs::File; use std::os::unix::io::{FromRawFd,AsRawFd}; -use sqlite_loadable::{Result, Error, ErrorKind, SqliteIoMethods}; +use sqlite_loadable::SqliteIoMethods; +use std::io::{Result, Error, ErrorKind}; use sqlite3ext_sys::sqlite3_file; use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; + +use sqlite3ext_sys::SQLITE_LOCK_SHARED; // IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html @@ -64,18 +67,18 @@ impl Ops { &open_e.build() .user_data(USER_DATA_OPEN) ) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; } self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); let result = cqe.result(); if result < 0 { - Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; } self.file_fd = Some(result.try_into().unwrap()); @@ -96,12 +99,12 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(USER_DATA_READ)) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) } @@ -119,12 +122,12 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(USER_DATA_WRITE)) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) } @@ -141,17 +144,17 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(USER_DATA_FALLOCATE)) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring .completion() .next() .unwrap(); if cqe.result() < 0 { - Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) } @@ -159,7 +162,7 @@ impl Ops { pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { let result = libc::ftruncate(self.file_fd.unwrap(), size); if result == -1 { - Err(Error::new_message(format!("raw os error result: {}", result)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", result)))?; } Ok(()) } @@ -183,17 +186,17 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(USER_DATA_CLOSE)) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring .completion() .next() .unwrap(); if cqe.result() < 0 { - Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) @@ -211,10 +214,10 @@ impl Ops { self.ring .submission() .push(&statx_op.build().user_data(USER_DATA_STATX)) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; unsafe { *out = statx_buf.stx_size as u64; @@ -231,10 +234,10 @@ impl Ops { self.ring .submission() .push(&op.build().user_data(USER_DATA_FSYNC)) - .map_err(|_| Error::new_message("submission queue is full"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; self.ring.submit_and_wait(1) - .map_err(|_| Error::new_message("submit failed or timed out"))?; + .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring .completion() @@ -242,7 +245,7 @@ impl Ops { .unwrap(); if cqe.result() < 0 { - Err(Error::new_message(format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; } Ok(()) } @@ -273,16 +276,16 @@ impl SqliteIoMethods for Ops { unsafe { self.o_file_size(p_size as *mut u64) } } - fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { - 0 + fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + Ok(SQLITE_LOCK_SHARED) } - fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> i32 { - 0 + fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + Ok(SQLITE_LOCK_SHARED) } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> i32 { - 0 + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result { + Ok(true) } /// See https://www.sqlite.org/c3ref/file_control.html @@ -291,15 +294,16 @@ impl SqliteIoMethods for Ops { Ok(()) } - fn sector_size(&mut self, file: *mut sqlite3_file) -> i32 { - 1024 + fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { + Ok(1024) } - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> i32 { - SQLITE_IOCAP_ATOMIC | + fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { + let x = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL + SQLITE_IOCAP_SEQUENTIAL; + Ok(x) } fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { From 2b51eb9365a175ad85a479d2b72b0a975d6f4891 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 24 Oct 2023 17:59:59 +0200 Subject: [PATCH 095/142] cargo fmt -- --emit files --- benchmarks/vfs/io_uring/build.rs | 2 +- benchmarks/vfs/io_uring/examples/test_1.rs | 4 +- benchmarks/vfs/io_uring/examples/test_10.rs | 10 +- benchmarks/vfs/io_uring/examples/test_11.rs | 18 +- benchmarks/vfs/io_uring/examples/test_12.rs | 10 +- benchmarks/vfs/io_uring/examples/test_13.rs | 10 +- benchmarks/vfs/io_uring/examples/test_14.rs | 20 ++- benchmarks/vfs/io_uring/examples/test_15.rs | 18 +- benchmarks/vfs/io_uring/examples/test_16.rs | 18 +- benchmarks/vfs/io_uring/examples/test_2.rs | 10 +- benchmarks/vfs/io_uring/examples/test_3.rs | 10 +- benchmarks/vfs/io_uring/examples/test_4.rs | 17 +- benchmarks/vfs/io_uring/examples/test_5.rs | 12 +- benchmarks/vfs/io_uring/examples/test_6.rs | 7 +- benchmarks/vfs/io_uring/examples/test_7.rs | 10 +- benchmarks/vfs/io_uring/examples/test_8.rs | 10 +- benchmarks/vfs/io_uring/examples/test_9.rs | 7 +- benchmarks/vfs/io_uring/src/connection.rs | 78 ++++---- benchmarks/vfs/io_uring/src/lib.rs | 69 +++++--- benchmarks/vfs/io_uring/src/lock/file.rs | 4 +- benchmarks/vfs/io_uring/src/lock/kind.rs | 2 +- benchmarks/vfs/io_uring/src/lock/mod.rs | 28 ++- benchmarks/vfs/io_uring/src/lock/range.rs | 2 +- benchmarks/vfs/io_uring/src/lock/traits.rs | 20 +-- benchmarks/vfs/io_uring/src/lock/wal.rs | 8 +- benchmarks/vfs/io_uring/src/ops.rs | 187 ++++++++++++-------- benchmarks/vfs/io_uring/tests/test_ops.rs | 21 ++- benchmarks/vfs/io_uring/tests/test_vfs.rs | 29 ++- 28 files changed, 377 insertions(+), 264 deletions(-) diff --git a/benchmarks/vfs/io_uring/build.rs b/benchmarks/vfs/io_uring/build.rs index 0c46a0e..8614cb4 100644 --- a/benchmarks/vfs/io_uring/build.rs +++ b/benchmarks/vfs/io_uring/build.rs @@ -8,4 +8,4 @@ fn main() { eprintln!("This project only supports Linux."); std::process::exit(1); } -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/examples/test_1.rs b/benchmarks/vfs/io_uring/examples/test_1.rs index aaea3e7..19a4131 100644 --- a/benchmarks/vfs/io_uring/examples/test_1.rs +++ b/benchmarks/vfs/io_uring/examples/test_1.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); diff --git a/benchmarks/vfs/io_uring/examples/test_10.rs b/benchmarks/vfs/io_uring/examples/test_10.rs index 3e352d7..56118ef 100644 --- a/benchmarks/vfs/io_uring/examples/test_10.rs +++ b/benchmarks/vfs/io_uring/examples/test_10.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -13,8 +13,10 @@ fn main() -> rusqlite::Result<()> { for _ in 0..5000 { let value: i32 = rng.gen(); - tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; + tx.execute( + "INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; } tx.commit()?; @@ -24,6 +26,6 @@ fn main() -> rusqlite::Result<()> { tx2.execute("UPDATE t10 SET c=?1 WHERE a = ?2", (r, i + 1))?; } tx2.commit()?; - + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_11.rs b/benchmarks/vfs/io_uring/examples/test_11.rs index ebcaafd..ae11c2c 100644 --- a/benchmarks/vfs/io_uring/examples/test_11.rs +++ b/benchmarks/vfs/io_uring/examples/test_11.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -13,10 +13,14 @@ fn main() -> rusqlite::Result<()> { for _ in 0..1000 { let value: i32 = rng.gen(); - tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; - tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; + tx.execute( + "INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; + tx.execute( + "INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; } tx.commit()?; @@ -24,12 +28,12 @@ fn main() -> rusqlite::Result<()> { tx2.execute("INSERT INTO t4 SELECT b,a,c FROM t5", ())?; tx2.execute("INSERT INTO t5 SELECT b,a,c FROM t4", ())?; tx2.commit()?; - + // prevent doubling insertions every run, >50gb file is no joke let tx3 = conn.transaction()?; tx3.execute("DELETE FROM t4", ())?; tx3.execute("DELETE FROM t5", ())?; tx3.commit()?; - + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_12.rs b/benchmarks/vfs/io_uring/examples/test_12.rs index 3d7e622..f921af3 100644 --- a/benchmarks/vfs/io_uring/examples/test_12.rs +++ b/benchmarks/vfs/io_uring/examples/test_12.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -17,8 +17,10 @@ fn main() -> rusqlite::Result<()> { let value2: i32 = rng.gen(); let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); - tx.execute("INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3))?; + tx.execute( + "INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3), + )?; } tx.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_13.rs b/benchmarks/vfs/io_uring/examples/test_13.rs index 4e0951c..6ddfd57 100644 --- a/benchmarks/vfs/io_uring/examples/test_13.rs +++ b/benchmarks/vfs/io_uring/examples/test_13.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -17,8 +17,10 @@ fn main() -> rusqlite::Result<()> { let value2: i32 = rng.gen(); let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); - tx.execute("INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3))?; + tx.execute( + "INSERT INTO t10 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3), + )?; } tx.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_14.rs b/benchmarks/vfs/io_uring/examples/test_14.rs index 1bca8c6..c3b3f37 100644 --- a/benchmarks/vfs/io_uring/examples/test_14.rs +++ b/benchmarks/vfs/io_uring/examples/test_14.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -13,15 +13,19 @@ fn main() -> rusqlite::Result<()> { for _ in 0..5000 { let value: i32 = rng.gen(); - tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; - tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; + tx.execute( + "INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; + tx.execute( + "INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; } tx.commit()?; - conn.execute("DELETE FROM t4 WHERE a % 2 = 0",())?; - conn.execute("INSERT INTO t4 SELECT * FROM t5;",())?; - + conn.execute("DELETE FROM t4 WHERE a % 2 = 0", ())?; + conn.execute("INSERT INTO t4 SELECT * FROM t5;", ())?; + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_15.rs b/benchmarks/vfs/io_uring/examples/test_15.rs index e8db82b..400b541 100644 --- a/benchmarks/vfs/io_uring/examples/test_15.rs +++ b/benchmarks/vfs/io_uring/examples/test_15.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -13,21 +13,25 @@ fn main() -> rusqlite::Result<()> { for _ in 0..5000 { let value: i32 = rng.gen(); - tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; + tx.execute( + "INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; } tx.commit()?; let tx2 = conn.transaction()?; - tx2.execute("DELETE FROM t4",())?; + tx2.execute("DELETE FROM t4", ())?; for _ in 0..5000 { let value: i32 = rng.gen(); - tx2.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; + tx2.execute( + "INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; } tx2.commit()?; - + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_16.rs b/benchmarks/vfs/io_uring/examples/test_16.rs index 5f7ae96..2fd7ef1 100644 --- a/benchmarks/vfs/io_uring/examples/test_16.rs +++ b/benchmarks/vfs/io_uring/examples/test_16.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -13,14 +13,18 @@ fn main() -> rusqlite::Result<()> { for _ in 0..5000 { let value: i32 = rng.gen(); - tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; - tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", - (value, value, format!("Value {}", value).as_str()))?; + tx.execute( + "INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; + tx.execute( + "INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value, value, format!("Value {}", value).as_str()), + )?; } tx.commit()?; - conn.execute("DELETE FROM t4",())?; - + conn.execute("DELETE FROM t4", ())?; + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs index 8f0d13d..99cf093 100644 --- a/benchmarks/vfs/io_uring/examples/test_2.rs +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -17,8 +17,10 @@ fn main() -> rusqlite::Result<()> { let value2: i32 = rng.gen(); let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); - tx.execute("INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3))?; + tx.execute( + "INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3), + )?; } tx.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_3.rs b/benchmarks/vfs/io_uring/examples/test_3.rs index 829ae45..ad160a3 100644 --- a/benchmarks/vfs/io_uring/examples/test_3.rs +++ b/benchmarks/vfs/io_uring/examples/test_3.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -17,8 +17,10 @@ fn main() -> rusqlite::Result<()> { let value2: i32 = rng.gen(); let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); - tx.execute("INSERT INTO t3 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3))?; + tx.execute( + "INSERT INTO t3 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3), + )?; } tx.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 335e490..6f5f1b6 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -17,17 +17,22 @@ fn main() -> rusqlite::Result<()> { let value2: i32 = rng.gen(); let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); - tx.execute("INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3))?; + tx.execute( + "INSERT INTO t4 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3), + )?; } tx.commit()?; - + let tx2 = conn.transaction()?; for i in 0..100 { let lower_bound = i * 100; let upper_bound = (i + 1) * 1000; - tx2.execute("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2", (lower_bound, upper_bound))?; + tx2.execute( + "SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2", + (lower_bound, upper_bound), + )?; } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index de2b58d..f2d8a6e 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -1,6 +1,6 @@ -use std::env; -use rand::Rng; use rand::thread_rng; +use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -16,11 +16,13 @@ fn main() -> rusqlite::Result<()> { let value2: i32 = rng.gen(); let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); - tx.execute("INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", - (value1, value2, value3))?; + tx.execute( + "INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", + (value1, value2, value3), + )?; } tx.commit()?; - + let tx2 = conn.transaction()?; for i in 0..9 { let stmt = format!("SELECT count(*), avg(b) FROM t5 WHERE c LIKE '%{}%'", i).to_string(); diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs index 1a80248..d87a759 100644 --- a/benchmarks/vfs/io_uring/examples/test_6.rs +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -14,14 +14,13 @@ fn main() -> rusqlite::Result<()> { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); - tx.execute("INSERT INTO t6 (a, b) VALUES (?, ?)", - (value1, value2))?; + tx.execute("INSERT INTO t6 (a, b) VALUES (?, ?)", (value1, value2))?; } tx.commit()?; // fails if file is already indexed, TODO fix conn.execute("CREATE INDEX i6a ON t6(a)", ())?; conn.execute("CREATE INDEX i6b ON t6(b)", ())?; - + Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs index 406ad72..a109e1c 100644 --- a/benchmarks/vfs/io_uring/examples/test_7.rs +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -14,8 +14,7 @@ fn main() -> rusqlite::Result<()> { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); - tx.execute("INSERT INTO t7 (a, b) VALUES (?, ?)", - (value1, value2))?; + tx.execute("INSERT INTO t7 (a, b) VALUES (?, ?)", (value1, value2))?; } tx.commit()?; @@ -23,7 +22,10 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 100; let upper_bound = (i + 1) + 100; - conn.execute("SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2", (lower_bound, upper_bound))?; + conn.execute( + "SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2", + (lower_bound, upper_bound), + )?; } Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_8.rs b/benchmarks/vfs/io_uring/examples/test_8.rs index 845aa09..643a315 100644 --- a/benchmarks/vfs/io_uring/examples/test_8.rs +++ b/benchmarks/vfs/io_uring/examples/test_8.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -14,8 +14,7 @@ fn main() -> rusqlite::Result<()> { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); - tx.execute("INSERT INTO t8 (a, b) VALUES (?, ?)", - (value1, value2))?; + tx.execute("INSERT INTO t8 (a, b) VALUES (?, ?)", (value1, value2))?; } tx.commit()?; @@ -24,7 +23,10 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 10; let upper_bound = (i + 1) + 10; - tx2.execute("UPDATE t8 SET b=b*2 WHERE a >= ?1 AND a < ?2", (lower_bound, upper_bound))?; + tx2.execute( + "UPDATE t8 SET b=b*2 WHERE a >= ?1 AND a < ?2", + (lower_bound, upper_bound), + )?; } tx2.commit()?; diff --git a/benchmarks/vfs/io_uring/examples/test_9.rs b/benchmarks/vfs/io_uring/examples/test_9.rs index 8389d32..f9b541a 100644 --- a/benchmarks/vfs/io_uring/examples/test_9.rs +++ b/benchmarks/vfs/io_uring/examples/test_9.rs @@ -1,5 +1,5 @@ -use std::env; use rand::Rng; +use std::env; include!("../include/conn.in.rs"); @@ -13,8 +13,7 @@ fn main() -> rusqlite::Result<()> { for _ in 0..5000 { let value: i32 = rng.gen(); - tx.execute("INSERT INTO t9 (a, b) VALUES (?, ?)", - (value, value))?; + tx.execute("INSERT INTO t9 (a, b) VALUES (?, ?)", (value, value))?; } tx.commit()?; @@ -26,6 +25,6 @@ fn main() -> rusqlite::Result<()> { tx2.execute("UPDATE t9 SET b=?1 WHERE a = ?2", (r, upper_bound))?; } tx2.commit()?; - + Ok(()) } diff --git a/benchmarks/vfs/io_uring/src/connection.rs b/benchmarks/vfs/io_uring/src/connection.rs index 6572403..9bae62a 100644 --- a/benchmarks/vfs/io_uring/src/connection.rs +++ b/benchmarks/vfs/io_uring/src/connection.rs @@ -1,5 +1,5 @@ use std::borrow::Cow; -use std::fs::{self, File, Permissions, OpenOptions as FsOpenOptions}; +use std::fs::{self, File, OpenOptions as FsOpenOptions, Permissions}; use std::io::{self, ErrorKind, Read, Seek, SeekFrom, Write}; use std::os::unix::fs::{MetadataExt, PermissionsExt}; use std::path::{Path, PathBuf}; @@ -8,12 +8,10 @@ use std::sync::atomic::{AtomicUsize, Ordering}; use crate::lock::file::FileLock; use crate::lock::kind::LockKind; use crate::lock::range::RangeLock; -use crate::lock::traits::{DatabaseHandle, OpenAccess, OpenKind, OpenOptions, Open}; +use crate::lock::traits::{DatabaseHandle, Open, OpenAccess, OpenKind, OpenOptions}; use crate::lock::wal::WalIndex; use crate::lock::wrapper::Lock; - - /// [Vfs] test implementation based on Rust's [std::fs:File]. This implementation is not meant for /// any use-cases except running SQLite unit tests, as the locking is only managed in process /// memory. @@ -103,8 +101,8 @@ impl Open for TestLockedVfs { file_ino, }) } - - /* + + /* fn delete(&self, db: &str) -> Result<(), std::io::Error> { let path = normalize_path(Path::new(&db)); fs::remove_file(path) @@ -132,40 +130,40 @@ impl Open for TestLockedVfs { .to_string_lossy() .to_string() } -/* - fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { - let path = Path::new(&db); - let path = if path.is_absolute() { - path.to_path_buf() - } else { - std::env::current_dir()?.join(path) - }; - let path = normalize_path(&path); - Ok(path - .to_str() - .ok_or_else(|| { - std::io::Error::new( - ErrorKind::Other, - "cannot convert canonicalized path to string", - ) - })? - .to_string() - .into()) - } + /* + fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { + let path = Path::new(&db); + let path = if path.is_absolute() { + path.to_path_buf() + } else { + std::env::current_dir()?.join(path) + }; + let path = normalize_path(&path); + Ok(path + .to_str() + .ok_or_else(|| { + std::io::Error::new( + ErrorKind::Other, + "cannot convert canonicalized path to string", + ) + })? + .to_string() + .into()) + } - fn random(&self, buffer: &mut [i8]) { - rand::Rng::fill(&mut rand::thread_rng(), buffer); - } + fn random(&self, buffer: &mut [i8]) { + rand::Rng::fill(&mut rand::thread_rng(), buffer); + } - fn sleep(&self, duration: std::time::Duration) -> std::time::Duration { - std::thread::sleep(duration); + fn sleep(&self, duration: std::time::Duration) -> std::time::Duration { + std::thread::sleep(duration); - // Well, this function is only supposed to sleep at least `n_micro`μs, but there are - // tests that expect the return to match exactly `n_micro`. As those tests are flaky as - // a result, we are cheating here. - duration - } -*/ + // Well, this function is only supposed to sleep at least `n_micro`μs, but there are + // tests that expect the return to match exactly `n_micro`. As those tests are flaky as + // a result, we are cheating here. + duration + } + */ } impl DatabaseHandle for Connection { @@ -299,11 +297,7 @@ impl WalIndex for WalConnection { Ok(data) } - fn lock( - &mut self, - locks: std::ops::Range, - lock: LockKind, - ) -> Result { + fn lock(&mut self, locks: std::ops::Range, lock: LockKind) -> Result { self.wal_lock.lock(locks, lock) } diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index cf40d53..3699d20 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,29 +1,35 @@ #![allow(unused)] pub mod ops; -pub(crate) mod lock; pub(crate) mod connection; +pub(crate) mod lock; use ops::Ops; -use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control, sqlite3ext_vfs_register, sqlite3ext_database_file_object}; -use sqlite_loadable::vfs::default::{DefaultVfs, DefaultFile}; -use sqlite_loadable::vfs::vfs::{create_vfs}; - -use sqlite_loadable::vfs::file::{MethodsWithAux, FileWithAux}; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, define_scalar_function, api, vfs::traits::SqliteVfs}; +use sqlite_loadable::ext::{ + sqlite3ext_context_db_handle, sqlite3ext_database_file_object, sqlite3ext_file_control, + sqlite3ext_vfs_find, sqlite3ext_vfs_register, +}; +use sqlite_loadable::vfs::default::{DefaultFile, DefaultVfs}; +use sqlite_loadable::vfs::vfs::create_vfs; + +use sqlite_loadable::vfs::file::{FileWithAux, MethodsWithAux}; +use sqlite_loadable::{ + api, create_file_pointer, define_scalar_function, prelude::*, register_boxed_vfs, + vfs::traits::SqliteVfs, SqliteIoMethods, +}; use url::Url; -use std::ffi::{CString, CStr}; -use std::fs::{File, self}; -use std::io::{Write, Read, self}; -use std::os::raw::{c_void, c_char}; -use std::{ptr, mem}; +use std::ffi::{CStr, CString}; +use std::fs::{self, File}; +use std::io::{self, Read, Write}; +use std::os::raw::{c_char, c_void}; +use std::{mem, ptr}; -use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE, SQLITE_OPEN_WAL}; +use sqlite3ext_sys::{sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs}; +use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_IOERR_DELETE, SQLITE_OPEN_MAIN_DB, SQLITE_OPEN_WAL}; -use std::io::{Error, Result, ErrorKind}; +use std::io::{Error, ErrorKind, Result}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c @@ -39,17 +45,24 @@ struct IoUringVfs { } impl SqliteVfs for IoUringVfs { - - fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { - + fn open( + &mut self, + z_name: *const c_char, + p_file: *mut sqlite3_file, + flags: i32, + p_res_out: *mut i32, + ) -> Result<()> { let file_path = unsafe { CStr::from_ptr(z_name) }; let db_file_obj = unsafe { sqlite3ext_database_file_object(file_path.as_ptr()) }; let mut file = Ops::new(file_path.to_owned(), 32); - file.open_file().map_err(|_| Error::new(ErrorKind::Other, "can't open file"))?; + file.open_file() + .map_err(|_| Error::new(ErrorKind::Other, "can't open file"))?; - unsafe { *p_file = *create_file_pointer( file ); } + unsafe { + *p_file = *create_file_pointer(file); + } Ok(()) } @@ -73,7 +86,12 @@ impl SqliteVfs for IoUringVfs { Ok(()) } - fn full_pathname(&mut self, z_name: *const c_char, n_out: i32, z_out: *mut c_char) -> Result<()> { + fn full_pathname( + &mut self, + z_name: *const c_char, + n_out: i32, + z_out: *mut c_char, + ) -> Result<()> { unsafe { // don't rely on type conversion of n_out to determine the end line char let name = CString::from_raw(z_name.cast_mut()); @@ -105,7 +123,7 @@ impl SqliteVfs for IoUringVfs { // } fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { - self.default_vfs.randomness(n_byte, z_out) + self.default_vfs.randomness(n_byte, z_out) } fn sleep(&mut self, microseconds: i32) -> i32 { @@ -138,7 +156,10 @@ impl SqliteVfs for IoUringVfs { } /// Usage: "ATTACH io_uring_vfs_from_file('test.db') AS inring;" -fn vfs_from_file(context: *mut sqlite3_context, values: &[*mut sqlite3_value]) -> sqlite_loadable::Result<()> { +fn vfs_from_file( + context: *mut sqlite3_context, + values: &[*mut sqlite3_value], +) -> sqlite_loadable::Result<()> { let path = api::value_text(&values[0])?; let text_output = format!("file:{}?vfs={}", path, EXTENSION_NAME); @@ -170,7 +191,7 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> // let file_size = std::mem::size_of::>(); // let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, file_size.try_into().unwrap()); - + // vfs_file_size == 0, fixes the stack smash, when Box does the clean up let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, 0); diff --git a/benchmarks/vfs/io_uring/src/lock/file.rs b/benchmarks/vfs/io_uring/src/lock/file.rs index a5306ff..d91fd75 100644 --- a/benchmarks/vfs/io_uring/src/lock/file.rs +++ b/benchmarks/vfs/io_uring/src/lock/file.rs @@ -5,7 +5,7 @@ use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; use std::{env, io}; use super::kind::LockKind; -use super::wrapper::{flock_unlock, flock_shared, flock_exclusive}; +use super::wrapper::{flock_exclusive, flock_shared, flock_unlock}; pub struct FileLock { file: Option, @@ -73,4 +73,4 @@ impl Drop for FileLock { self.unlock(); self.file.take(); } -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/src/lock/kind.rs b/benchmarks/vfs/io_uring/src/lock/kind.rs index 0b3f04d..9c2a668 100644 --- a/benchmarks/vfs/io_uring/src/lock/kind.rs +++ b/benchmarks/vfs/io_uring/src/lock/kind.rs @@ -50,4 +50,4 @@ impl Default for LockKind { fn default() -> Self { Self::None } -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/src/lock/mod.rs b/benchmarks/vfs/io_uring/src/lock/mod.rs index 4ec32b1..2de05ef 100644 --- a/benchmarks/vfs/io_uring/src/lock/mod.rs +++ b/benchmarks/vfs/io_uring/src/lock/mod.rs @@ -1,16 +1,34 @@ -pub(crate) mod kind; pub(crate) mod file; +pub(crate) mod kind; pub(crate) mod range; +pub(crate) mod traits; pub(crate) mod wal; pub(crate) mod wrapper; -pub(crate) mod traits; -use std::{fs::{self, Permissions}, ffi::CString, sync::{Mutex, Arc}, mem::MaybeUninit, collections::HashMap, pin::Pin, io::ErrorKind, os::unix::prelude::PermissionsExt}; -use sqlite3ext_sys::{self, sqlite3_file, SQLITE_IOERR_LOCK, SQLITE_OK, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_CHECKRESERVEDLOCK, SQLITE_BUSY}; +use sqlite3ext_sys::{ + self, sqlite3_file, SQLITE_BUSY, SQLITE_IOERR_CHECKRESERVEDLOCK, SQLITE_IOERR_LOCK, + SQLITE_IOERR_UNLOCK, SQLITE_OK, +}; +use std::{ + collections::HashMap, + ffi::CString, + fs::{self, Permissions}, + io::ErrorKind, + mem::MaybeUninit, + os::unix::prelude::PermissionsExt, + pin::Pin, + sync::{Arc, Mutex}, +}; use crate::connection::permissions; -use self::{kind::LockKind, range::RangeLock, wal::{WalConnection, WalIndex}, file::FileLock, traits::DatabaseHandle}; +use self::{ + file::FileLock, + kind::LockKind, + range::RangeLock, + traits::DatabaseHandle, + wal::{WalConnection, WalIndex}, +}; // TODO: add to [Vfs]? const MAX_PATH_LENGTH: usize = 512; diff --git a/benchmarks/vfs/io_uring/src/lock/range.rs b/benchmarks/vfs/io_uring/src/lock/range.rs index 97a978b..bb16fc4 100644 --- a/benchmarks/vfs/io_uring/src/lock/range.rs +++ b/benchmarks/vfs/io_uring/src/lock/range.rs @@ -6,7 +6,7 @@ use std::{env, io}; use super::file::FileLock; use super::kind::LockKind; -use super::wrapper::{flock_unlock, flock_shared, flock_exclusive}; +use super::wrapper::{flock_exclusive, flock_shared, flock_unlock}; /// SQLite's default locking on UNIX systems is quite involved to work around certain limitations /// of POSIX locks. See https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L1026-L1114 for diff --git a/benchmarks/vfs/io_uring/src/lock/traits.rs b/benchmarks/vfs/io_uring/src/lock/traits.rs index 42e8391..9ab4fd2 100644 --- a/benchmarks/vfs/io_uring/src/lock/traits.rs +++ b/benchmarks/vfs/io_uring/src/lock/traits.rs @@ -18,8 +18,7 @@ use std::time::Duration; use strum::FromRepr; use super::kind::LockKind; -use super::wal::{WalIndex, WalConnection}; - +use super::wal::{WalConnection, WalIndex}; #[derive(Debug, Clone, PartialEq)] pub struct OpenOptions { @@ -55,14 +54,14 @@ SQLITE_OPEN_MASTER_JOURNAL: i32 = 16384; #[derive(FromRepr, Debug, Clone, Copy, PartialEq)] #[repr(i32)] pub enum OpenKind { - MainDb = 256, // SQLITE_OPEN_MAIN_DB, - MainJournal = 2048, // SQLITE_OPEN_MAIN_JOURNAL - TempDb = 512, // SQLITE_OPEN_TEMP_DB - TempJournal = 4096, // SQLITE_OPEN_TEMP_JOURNAL - TransientDb = 1024, // SQLITE_OPEN_TRANSIENT_DB - SubJournal = 8192, // SQLITE_OPEN_SUBJOURNAL + MainDb = 256, // SQLITE_OPEN_MAIN_DB, + MainJournal = 2048, // SQLITE_OPEN_MAIN_JOURNAL + TempDb = 512, // SQLITE_OPEN_TEMP_DB + TempJournal = 4096, // SQLITE_OPEN_TEMP_JOURNAL + TransientDb = 1024, // SQLITE_OPEN_TRANSIENT_DB + SubJournal = 8192, // SQLITE_OPEN_SUBJOURNAL SuperJournal = 16384, // SQLITE_OPEN_SUPER_JOURNAL / SQLITE_OPEN_MASTER_JOURNAL - Wal = 524288, // SQLITE_OPEN_WAL + Wal = 524288, // SQLITE_OPEN_WAL } /* @@ -87,7 +86,6 @@ pub enum OpenAccess { CreateNewThrowIfExists = 8, // TODO figure out how to support on io_uring } - /// A file opened by [Vfs]. pub trait DatabaseHandle: Sync { /// An optional trait used to store a WAL (write-ahead log). @@ -160,4 +158,4 @@ pub trait Open: Sync { fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { Ok(db.into()) } -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/src/lock/wal.rs b/benchmarks/vfs/io_uring/src/lock/wal.rs index 51886ad..0911856 100644 --- a/benchmarks/vfs/io_uring/src/lock/wal.rs +++ b/benchmarks/vfs/io_uring/src/lock/wal.rs @@ -1,5 +1,5 @@ -use std::{ops::Range, path::PathBuf, fs::File}; -use super::{*, range::RangeLock, wrapper::Lock, file::FileLock, kind::LockKind}; +use super::{file::FileLock, kind::LockKind, range::RangeLock, wrapper::Lock, *}; +use std::{fs::File, ops::Range, path::PathBuf}; // NOTE: subsumed by LockKind // #[derive(Debug, Clone, Copy, PartialEq, Eq)] @@ -32,7 +32,7 @@ pub trait WalIndex: Sync { fn map(&mut self, region: u32) -> Result<[u8; 32768], std::io::Error>; fn lock(&mut self, locks: Range, lock: LockKind) -> Result; - + fn delete(self) -> Result<(), std::io::Error>; fn pull(&mut self, _region: u32, _data: &mut [u8; 32768]) -> Result<(), std::io::Error> { @@ -42,4 +42,4 @@ pub trait WalIndex: Sync { fn push(&mut self, _region: u32, _data: &[u8; 32768]) -> Result<(), std::io::Error> { Ok(()) } -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index cd9b62a..412a559 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -1,26 +1,27 @@ -use std::os::unix::ffi::OsStrExt; -use std::ffi::{CString, CStr}; -use std::os::raw::c_void; +use std::ffi::{CStr, CString}; use std::fs::File; -use std::os::unix::io::{FromRawFd,AsRawFd}; +use std::os::raw::c_void; +use std::os::unix::ffi::OsStrExt; +use std::os::unix::io::{AsRawFd, FromRawFd}; -use sqlite_loadable::SqliteIoMethods; -use std::io::{Result, Error, ErrorKind}; use sqlite3ext_sys::sqlite3_file; -use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, - SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; +use sqlite3ext_sys::{ + SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, + SQLITE_IOCAP_SEQUENTIAL, +}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP}; +use sqlite_loadable::SqliteIoMethods; +use std::io::{Error, ErrorKind, Result}; use sqlite3ext_sys::SQLITE_LOCK_SHARED; - // IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html -use std::{ptr, mem}; use sqlite_loadable::ext::sqlite3ext_vfs_find; -use sqlite_loadable::vfs::default::{DefaultVfs, DefaultFile}; +use sqlite_loadable::vfs::default::{DefaultFile, DefaultVfs}; +use std::{mem, ptr}; -use io_uring::{register, opcode, types, IoUring}; +use io_uring::{opcode, register, types, IoUring}; use std::io; const USER_DATA_OPEN: u64 = 0x1; @@ -57,28 +58,32 @@ impl Ops { // let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; let flags = libc::O_CREAT as u64 | libc::O_RDWR as u64; - let openhow = types::OpenHow::new().flags(flags).mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); - + let openhow = types::OpenHow::new() + .flags(flags) + .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); + let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow); unsafe { - self.ring.submission() - .push( - &open_e.build() - .user_data(USER_DATA_OPEN) - ) + self.ring + .submission() + .push(&open_e.build().user_data(USER_DATA_OPEN)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; } - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - + let cqe = self.ring.completion().next().unwrap(); let result = cqe.result(); if result < 0 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", -cqe.result() as i32), + ))?; } self.file_fd = Some(result.try_into().unwrap()); @@ -86,48 +91,44 @@ impl Ops { Ok(()) } - pub unsafe fn o_read( - &mut self, - offset: u64, - size: u32, - buf_out: *mut c_void, - ) -> Result<()> { + pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let fd = types::Fd(self.file_fd.unwrap()); - let mut op = opcode::Read::new(fd, buf_out as *mut _, size) - .offset(offset); + let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); self.ring .submission() .push(&op.build().user_data(USER_DATA_READ)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", -cqe.result() as i32), + ))?; } Ok(()) } - pub unsafe fn o_write( - &mut self, - buf_in: *const c_void, - offset: u64, - size: u32, - ) -> Result<()> { + pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let fd = types::Fd(self.file_fd.unwrap()); - let mut op = opcode::Write::new(fd, buf_in as *const _, size) - .offset(offset); + let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); self.ring .submission() .push(&op.build().user_data(USER_DATA_WRITE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", -cqe.result() as i32), + ))?; } Ok(()) } @@ -140,21 +141,22 @@ impl Ops { .offset(0) // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 .mode(libc::FALLOC_FL_KEEP_SIZE); - + self.ring .submission() .push(&op.build().user_data(USER_DATA_FALLOCATE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring - .completion() - .next() - .unwrap(); + let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", -cqe.result() as i32), + ))?; } Ok(()) } @@ -162,7 +164,10 @@ impl Ops { pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { let result = libc::ftruncate(self.file_fd.unwrap(), size); if result == -1 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", result)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", result), + ))?; } Ok(()) } @@ -182,30 +187,31 @@ impl Ops { pub unsafe fn o_close(&mut self) -> Result<()> { let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let mut op = opcode::Close::new(fd); - + self.ring .submission() .push(&op.build().user_data(USER_DATA_CLOSE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring - .completion() - .next() - .unwrap(); + let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", -cqe.result() as i32), + ))?; } Ok(()) } - + pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { let mut statx_buf: libc::statx = unsafe { std::mem::zeroed() }; let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; - + let dirfd = types::Fd(libc::AT_FDCWD); let statx_op = opcode::Statx::new(dirfd, self.file_path.as_ptr(), statx_buf_ptr as *mut _) .flags(libc::AT_EMPTY_PATH) @@ -216,16 +222,17 @@ impl Ops { .push(&statx_op.build().user_data(USER_DATA_STATX)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; unsafe { *out = statx_buf.stx_size as u64; } - + Ok(()) } - + // TODO write unit test pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); @@ -236,16 +243,17 @@ impl Ops { .push(&op.build().user_data(USER_DATA_FSYNC)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring.submit_and_wait(1) + self.ring + .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring - .completion() - .next() - .unwrap(); + let cqe = self.ring.completion().next().unwrap(); if cqe.result() < 0 { - Err(Error::new(ErrorKind::Other, format!("raw os error result: {}", -cqe.result() as i32)))?; + Err(Error::new( + ErrorKind::Other, + format!("raw os error result: {}", -cqe.result() as i32), + ))?; } Ok(()) } @@ -260,7 +268,13 @@ impl SqliteIoMethods for Ops { unsafe { self.o_read(ofst as u64, s as u32, buf) } } - fn write(&mut self, file: *mut sqlite3_file, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + fn write( + &mut self, + file: *mut sqlite3_file, + buf: *const c_void, + s: i32, + ofst: i64, + ) -> Result<()> { unsafe { self.o_write(buf, ofst as u64, s as u32) } } @@ -284,7 +298,11 @@ impl SqliteIoMethods for Ops { Ok(SQLITE_LOCK_SHARED) } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result { + fn check_reserved_lock( + &mut self, + file: *mut sqlite3_file, + p_res_out: *mut i32, + ) -> Result { Ok(true) } @@ -299,14 +317,21 @@ impl SqliteIoMethods for Ops { } fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { - let x = SQLITE_IOCAP_ATOMIC | - SQLITE_IOCAP_POWERSAFE_OVERWRITE | - SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_SEQUENTIAL; + let x = SQLITE_IOCAP_ATOMIC + | SQLITE_IOCAP_POWERSAFE_OVERWRITE + | SQLITE_IOCAP_SAFE_APPEND + | SQLITE_IOCAP_SEQUENTIAL; Ok(x) } - fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map( + &mut self, + file: *mut sqlite3_file, + i_pg: i32, + pgsz: i32, + arg2: i32, + arg3: *mut *mut c_void, + ) -> Result<()> { Ok(()) } @@ -322,11 +347,17 @@ impl SqliteIoMethods for Ops { Ok(()) } - fn fetch(&mut self, file: *mut sqlite3_file, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + fn fetch( + &mut self, + file: *mut sqlite3_file, + ofst: i64, + size: i32, + pp: *mut *mut c_void, + ) -> Result<()> { unsafe { self.o_fetch(ofst as u64, size as u32, pp) } } fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { Ok(()) } -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 24d33e3..00788ad 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -35,7 +35,7 @@ mod tests { let data_to_write = b"Hello, World!"; let _ = tmpfile.write(data_to_write); - + let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); let mut ops = Ops::new(file_path.clone(), 16); @@ -43,7 +43,7 @@ mod tests { ops.open_file().unwrap(); // Read the file - let mut buf: [u8;13] = [0; 13]; + let mut buf: [u8; 13] = [0; 13]; let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { ops.o_read(0, 13, buf_ptr).unwrap(); @@ -68,10 +68,11 @@ mod tests { // Write data to the file let data_to_write = b"Hello, World!"; - let mut buf: [u8;13] = [0; 13]; + let mut buf: [u8; 13] = [0; 13]; let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { - ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13).unwrap(); + ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13) + .unwrap(); ops.o_read(0, 13, buf_ptr).unwrap(); } @@ -92,18 +93,18 @@ mod tests { let _ = tmpfile.write(data_to_write); let mut ops = Ops::new(file_path.clone(), 16); - + // Perform the open operation ops.open_file().unwrap(); - + // Get the current file size let mut file_size: u64 = 0; unsafe { ops.o_file_size(&mut file_size).unwrap(); } - + assert_eq!(file_size, 13); - + // Cleanup tmpfile.close().unwrap(); } @@ -124,7 +125,9 @@ mod tests { // Truncate the file to a smaller size let new_size = 5; // Set the new size to 5 bytes - unsafe { ops.o_truncate(new_size).unwrap(); } + unsafe { + ops.o_truncate(new_size).unwrap(); + } // Get the current file size let mut file_size: u64 = 0; diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 35be4fb..0d7973c 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -1,7 +1,7 @@ #[cfg(test)] mod tests { use _iouringvfs::sqlite3_iouringvfs_init; - use rusqlite::{ffi::sqlite3_auto_extension, Connection, self, OpenFlags}; + use rusqlite::{self, ffi::sqlite3_auto_extension, Connection, OpenFlags}; #[test] fn test_io_uring_ext() -> rusqlite::Result<()> { @@ -14,15 +14,23 @@ mod tests { let tmp_file = tempfile::NamedTempFile::new().unwrap(); let out_path = tmp_file.path().to_str().unwrap(); - let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE; + let flags = OpenFlags::SQLITE_OPEN_URI + | OpenFlags::SQLITE_OPEN_READ_WRITE + | OpenFlags::SQLITE_OPEN_CREATE; let conn = Connection::open_with_flags_and_vfs(out_path, flags, "unix")?; - let stmt = format!("ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", out_path); + let stmt = format!( + "ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", + out_path + ); let stmt_str = stmt.as_str(); conn.execute(stmt_str, ())?; conn.execute("CREATE TABLE t3(x varchar(10), y integer)", ())?; - conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ())?; + conn.execute( + "INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", + (), + )?; let result: String = conn .query_row("select x from t3 where y = 4", (), |x| x.get(0)) @@ -44,15 +52,20 @@ mod tests { let tmp_file = tempfile::NamedTempFile::new().unwrap(); let out_path = tmp_file.path().to_str().unwrap(); - let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE; + let flags = OpenFlags::SQLITE_OPEN_URI + | OpenFlags::SQLITE_OPEN_READ_WRITE + | OpenFlags::SQLITE_OPEN_CREATE; let conn = Connection::open_with_flags_and_vfs(out_path, flags, "unix")?; - + let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", out_path); let stmt_str = stmt.as_str(); conn.execute(stmt_str, ())?; conn.execute("CREATE TABLE t3(x, y)", ())?; - conn.execute("INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", ())?; + conn.execute( + "INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", + (), + )?; let result: String = conn .query_row("select x from t3 where y = 1", (), |x| x.get(0)) @@ -62,4 +75,4 @@ mod tests { Ok(()) } -} \ No newline at end of file +} From 38fb48c7a0123bc091c108344f50505caceaccaa Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 25 Oct 2023 20:14:41 +0200 Subject: [PATCH 096/142] managed to strip out only lock related code and incorporate it --- benchmarks/vfs/io_uring/src/connection.rs | 380 ------------------ benchmarks/vfs/io_uring/src/lib.rs | 5 +- benchmarks/vfs/io_uring/src/lock/file.rs | 2 +- .../io_uring/src/lock/{wrapper.rs => lock.rs} | 5 + benchmarks/vfs/io_uring/src/lock/mod.rs | 214 +--------- benchmarks/vfs/io_uring/src/lock/open.rs | 86 ++++ benchmarks/vfs/io_uring/src/lock/range.rs | 4 +- benchmarks/vfs/io_uring/src/lock/traits.rs | 161 -------- benchmarks/vfs/io_uring/src/lock/wal.rs | 45 --- benchmarks/vfs/io_uring/src/ops.rs | 49 ++- benchmarks/vfs/io_uring/tests/test_locks.rs | 169 ++++++++ include/mem_vfs.in.rs | 9 +- src/vfs/default.rs | 6 +- src/vfs/file.rs | 4 +- src/vfs/traits.rs | 14 +- src/vfs/vfs.rs | 22 - 16 files changed, 340 insertions(+), 835 deletions(-) delete mode 100644 benchmarks/vfs/io_uring/src/connection.rs rename benchmarks/vfs/io_uring/src/lock/{wrapper.rs => lock.rs} (97%) create mode 100644 benchmarks/vfs/io_uring/src/lock/open.rs delete mode 100644 benchmarks/vfs/io_uring/src/lock/traits.rs delete mode 100644 benchmarks/vfs/io_uring/src/lock/wal.rs create mode 100644 benchmarks/vfs/io_uring/tests/test_locks.rs diff --git a/benchmarks/vfs/io_uring/src/connection.rs b/benchmarks/vfs/io_uring/src/connection.rs deleted file mode 100644 index 9bae62a..0000000 --- a/benchmarks/vfs/io_uring/src/connection.rs +++ /dev/null @@ -1,380 +0,0 @@ -use std::borrow::Cow; -use std::fs::{self, File, OpenOptions as FsOpenOptions, Permissions}; -use std::io::{self, ErrorKind, Read, Seek, SeekFrom, Write}; -use std::os::unix::fs::{MetadataExt, PermissionsExt}; -use std::path::{Path, PathBuf}; -use std::sync::atomic::{AtomicUsize, Ordering}; - -use crate::lock::file::FileLock; -use crate::lock::kind::LockKind; -use crate::lock::range::RangeLock; -use crate::lock::traits::{DatabaseHandle, Open, OpenAccess, OpenKind, OpenOptions}; -use crate::lock::wal::WalIndex; -use crate::lock::wrapper::Lock; - -/// [Vfs] test implementation based on Rust's [std::fs:File]. This implementation is not meant for -/// any use-cases except running SQLite unit tests, as the locking is only managed in process -/// memory. -#[derive(Default)] -pub struct TestLockedVfs { - temp_counter: AtomicUsize, -} - -pub struct Connection { - path: PathBuf, - file: File, - file_ino: u64, - lock: Option, -} - -pub struct WalConnection { - path: PathBuf, - file_lock: FileLock, - wal_lock: RangeLock, - readonly: bool, -} - -impl Open for TestLockedVfs { - type Handle = Connection; - - fn open(&self, db: &str, opts: OpenOptions) -> Result { - let path = normalize_path(Path::new(&db)); - if path.is_dir() { - return Err(io::Error::new(ErrorKind::Other, "cannot open directory")); - } - - let mut o = fs::OpenOptions::new(); - o.read(true).write(opts.access != OpenAccess::Read); - let is_create = match opts.access { - OpenAccess::Create => { - o.create(true); - true - } - OpenAccess::CreateNewThrowIfExists => { - o.create_new(true); - true - } - _ => false, - }; - let file = o.open(&path)?; - let metadata = file.metadata()?; - let file_ino = metadata.ino(); - - if is_create && matches!(opts.kind, OpenKind::Wal | OpenKind::MainJournal) { - if let Ok(mode) = permissions(&path) { - fs::set_permissions(&path, Permissions::from_mode(mode)).ok(); - } - } - - if opts.kind == OpenKind::Wal { - // ensure wal index access - let path = path.with_extension(format!( - "{}-shm", - path.extension() - .and_then(|ext| ext.to_str()) - .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) - .unwrap_or("db") - )); - if path.exists() - && fs::metadata(&path) - .map(|m| m.permissions().mode()) - .unwrap_or(0o100000) - <= 0o100000 - { - return Err(std::io::Error::new( - ErrorKind::Other, - "cannot read .db-shm file", - )); - } - } - - Ok(Connection { - path, - // Lock needs to be created right away to ensure there is a free file descriptor for the - // additional lock file. - lock: if opts.kind == OpenKind::MainDb { - Some(Lock::from_file(&file)?) - } else { - None - }, - file, - file_ino, - }) - } - - /* - fn delete(&self, db: &str) -> Result<(), std::io::Error> { - let path = normalize_path(Path::new(&db)); - fs::remove_file(path) - } - - fn exists(&self, db: &str) -> Result { - Ok(Path::new(db).is_file()) - } - - fn access(&self, db: &str, write: bool) -> Result { - let metadata = fs::metadata(db)?; - let readonly = metadata.permissions().readonly(); - Ok(!write || (write && !readonly)) - } - */ - - /// Required by vfs open + file_control - fn temporary_name(&self) -> String { - std::env::temp_dir() - .join(format!( - "etilqs_{:x}_{:x}.db", - std::process::id(), - self.temp_counter.fetch_add(1, Ordering::AcqRel), - )) - .to_string_lossy() - .to_string() - } - /* - fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { - let path = Path::new(&db); - let path = if path.is_absolute() { - path.to_path_buf() - } else { - std::env::current_dir()?.join(path) - }; - let path = normalize_path(&path); - Ok(path - .to_str() - .ok_or_else(|| { - std::io::Error::new( - ErrorKind::Other, - "cannot convert canonicalized path to string", - ) - })? - .to_string() - .into()) - } - - fn random(&self, buffer: &mut [i8]) { - rand::Rng::fill(&mut rand::thread_rng(), buffer); - } - - fn sleep(&self, duration: std::time::Duration) -> std::time::Duration { - std::thread::sleep(duration); - - // Well, this function is only supposed to sleep at least `n_micro`μs, but there are - // tests that expect the return to match exactly `n_micro`. As those tests are flaky as - // a result, we are cheating here. - duration - } - */ -} - -impl DatabaseHandle for Connection { - type WalIndex = WalConnection; - - /* - fn size(&self) -> Result { - self.file.metadata().map(|m| m.len()) - } - - fn read_exact_at(&mut self, buf: &mut [u8], offset: u64) -> Result<(), std::io::Error> { - self.file.seek(SeekFrom::Start(offset))?; - self.file.read_exact(buf) - } - - fn write_all_at(&mut self, buf: &[u8], offset: u64) -> Result<(), std::io::Error> { - self.file.seek(SeekFrom::Start(offset))?; - self.file.write_all(buf)?; - Ok(()) - } - - fn sync(&mut self, data_only: bool) -> Result<(), std::io::Error> { - if data_only { - self.file.sync_data() - } else { - self.file.sync_all() - } - } - - fn set_len(&mut self, len: u64) -> Result<(), std::io::Error> { - self.file.set_len(len) - } - */ - - fn lock(&mut self, to: LockKind) -> Result { - let lock = match &mut self.lock { - Some(lock) => lock, - None => self.lock.get_or_insert(Lock::from_file(&self.file)?), - }; - - // Return false if exclusive was requested and only pending was acquired. - Ok(lock.lock(to) && lock.current() == to) - } - - fn reserved(&mut self) -> Result { - let lock = match &mut self.lock { - Some(lock) => lock, - None => self.lock.get_or_insert(Lock::from_file(&self.file)?), - }; - - Ok(lock.reserved()) - } - - fn current_lock(&self) -> Result { - Ok(self - .lock - .as_ref() - .map(|l| l.current()) - .unwrap_or(LockKind::None)) - } - - fn moved(&self) -> Result { - let ino = fs::metadata(&self.path).map(|m| m.ino()).unwrap_or(0); - Ok(ino == 0 || ino != self.file_ino) - } - - fn wal_index(&self, readonly: bool) -> Result { - let path = self.path.with_extension(format!( - "{}-shm", - self.path - .extension() - .and_then(|ext| ext.to_str()) - .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) - .unwrap_or("db") - )); - let is_new = !path.exists(); - - let mut opts = fs::OpenOptions::new(); - opts.read(true); - if !readonly { - opts.write(true).create(true).truncate(false); - } - - let file = opts.open(&path)?; - let mut file_lock = FileLock::new(file); - if !readonly && file_lock.exclusive() { - // If it is the first connection to open the database, truncate the index. - let new_file = fs::OpenOptions::new() - .read(true) - .write(true) - .create(true) - .truncate(true) - .open(&path) - .map_err(|err| err)?; - - let new_lock = FileLock::new(new_file); - - if is_new { - let mode = permissions(&self.path)?; - let perm = Permissions::from_mode(mode); - // Match permissions of main db file, but don't downgrade to readonly. - if !perm.readonly() { - fs::set_permissions(&path, perm)?; - } - } - - // Transition previous lock to shared before getting a shared on the new file - // descriptor to make sure that there isn't any other concurrent process/thread getting - // an exclusive lock during the transition. - assert!(file_lock.shared()); - assert!(new_lock.shared()); - - file_lock = new_lock; - } else { - file_lock.wait_shared(); - } - - Ok(WalConnection { - path, - file_lock, - wal_lock: RangeLock::new(self.file_ino), - readonly, - }) - } -} - -impl WalIndex for WalConnection { - fn map(&mut self, region: u32) -> Result<[u8; 32768], std::io::Error> { - let mut data = [0u8; 32768]; - self.pull(region, &mut data)?; - Ok(data) - } - - fn lock(&mut self, locks: std::ops::Range, lock: LockKind) -> Result { - self.wal_lock.lock(locks, lock) - } - - fn delete(self) -> Result<(), std::io::Error> { - fs::remove_file(&self.path) - } - - fn pull(&mut self, region: u32, data: &mut [u8; 32768]) -> Result<(), std::io::Error> { - let current_size = self.file_lock.file().metadata()?.size(); - let min_size = (region as u64 + 1) * 32768; - if !self.readonly && current_size < min_size { - self.file_lock.file().set_len(min_size)?; - } - - self.file_lock - .file() - .seek(SeekFrom::Start(region as u64 * 32768))?; - match self.file_lock.file().read_exact(data) { - Ok(()) => Ok(()), - Err(err) if self.readonly && err.kind() == ErrorKind::UnexpectedEof => Ok(()), - Err(err) => Err(err), - } - } - - fn push(&mut self, region: u32, data: &[u8; 32768]) -> Result<(), std::io::Error> { - let current_size = self.file_lock.file().metadata()?.size(); - let min_size = (region as u64 + 1) * 32768; - if current_size < min_size { - self.file_lock.file().set_len(min_size)?; - } - - self.file_lock - .file() - .seek(SeekFrom::Start(region as u64 * 32768))?; - self.file_lock.file().write_all(data)?; - self.file_lock.file().sync_all()?; - - Ok(()) - } -} - -// Source: https://github.com/rust-lang/cargo/blob/7a3b56b4860c0e58dab815549a93198a1c335b64/crates/cargo-util/src/paths.rs#L81 -fn normalize_path(path: &Path) -> PathBuf { - use std::path::Component; - - let mut components = path.components().peekable(); - let mut ret = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() { - components.next(); - PathBuf::from(c.as_os_str()) - } else { - PathBuf::new() - }; - - for component in components { - match component { - Component::Prefix(..) => unreachable!(), - Component::RootDir => { - ret.push(component.as_os_str()); - } - Component::CurDir => {} - Component::ParentDir => { - ret.pop(); - } - Component::Normal(c) => { - ret.push(c); - } - } - } - ret -} - -pub(crate) fn permissions(path: &Path) -> io::Result { - let path = path.with_extension( - path.extension() - .and_then(|ext| ext.to_str()) - .map(|ext| ext.split_once('-').map(|(f, _)| f).unwrap_or(ext)) - .unwrap_or("db"), - ); - Ok(fs::metadata(&path)?.permissions().mode()) -} diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 3699d20..b605a4d 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,9 +1,6 @@ #![allow(unused)] pub mod ops; - -pub(crate) mod connection; -pub(crate) mod lock; - +pub mod lock; use ops::Ops; use sqlite_loadable::ext::{ diff --git a/benchmarks/vfs/io_uring/src/lock/file.rs b/benchmarks/vfs/io_uring/src/lock/file.rs index d91fd75..5ee8fa5 100644 --- a/benchmarks/vfs/io_uring/src/lock/file.rs +++ b/benchmarks/vfs/io_uring/src/lock/file.rs @@ -5,7 +5,7 @@ use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; use std::{env, io}; use super::kind::LockKind; -use super::wrapper::{flock_exclusive, flock_shared, flock_unlock}; +use super::lock::{flock_exclusive, flock_shared, flock_unlock}; pub struct FileLock { file: Option, diff --git a/benchmarks/vfs/io_uring/src/lock/wrapper.rs b/benchmarks/vfs/io_uring/src/lock/lock.rs similarity index 97% rename from benchmarks/vfs/io_uring/src/lock/wrapper.rs rename to benchmarks/vfs/io_uring/src/lock/lock.rs index 2eeb758..59db9be 100644 --- a/benchmarks/vfs/io_uring/src/lock/wrapper.rs +++ b/benchmarks/vfs/io_uring/src/lock/lock.rs @@ -79,6 +79,11 @@ impl Lock { }) } + pub fn from_raw_fd(f1_fd: &RawFd) -> io::Result { + let f1 = unsafe { File::from_raw_fd(*f1_fd) }; + Self::from_file(&f1) + } + pub fn current(&self) -> LockKind { self.current } diff --git a/benchmarks/vfs/io_uring/src/lock/mod.rs b/benchmarks/vfs/io_uring/src/lock/mod.rs index 2de05ef..e3c6313 100644 --- a/benchmarks/vfs/io_uring/src/lock/mod.rs +++ b/benchmarks/vfs/io_uring/src/lock/mod.rs @@ -1,204 +1,10 @@ -pub(crate) mod file; -pub(crate) mod kind; -pub(crate) mod range; -pub(crate) mod traits; -pub(crate) mod wal; -pub(crate) mod wrapper; - -use sqlite3ext_sys::{ - self, sqlite3_file, SQLITE_BUSY, SQLITE_IOERR_CHECKRESERVEDLOCK, SQLITE_IOERR_LOCK, - SQLITE_IOERR_UNLOCK, SQLITE_OK, -}; -use std::{ - collections::HashMap, - ffi::CString, - fs::{self, Permissions}, - io::ErrorKind, - mem::MaybeUninit, - os::unix::prelude::PermissionsExt, - pin::Pin, - sync::{Arc, Mutex}, -}; - -use crate::connection::permissions; - -use self::{ - file::FileLock, - kind::LockKind, - range::RangeLock, - traits::DatabaseHandle, - wal::{WalConnection, WalIndex}, -}; - -// TODO: add to [Vfs]? -const MAX_PATH_LENGTH: usize = 512; - -struct State { - name: CString, - vfs: Arc, - last_error: Arc>>, - next_id: usize, -} - -#[repr(C)] -struct FileExt { - vfs: Arc, - vfs_name: CString, - db_name: String, - file: F, - delete_on_close: bool, - /// The last error; shared with the VFS. - last_error: Arc>>, - /// The last error number of this file/connection (not shared with the VFS). - last_errno: i32, - wal_index: Option<(F::WalIndex, bool)>, - wal_index_regions: HashMap>>, - wal_index_locks: HashMap, - has_exclusive_lock: bool, - id: usize, - chunk_size: Option, - persist_wal: bool, - powersafe_overwrite: bool, -} - -impl State { - fn set_last_error(&mut self, no: i32, err: std::io::Error) -> i32 { - // log::error!("{} ({})", err, no); - *(self.last_error.lock().unwrap()) = Some((no, err)); - no - } -} - -impl FileExt { - fn set_last_error(&mut self, no: i32, err: std::io::Error) -> i32 { - // log::error!("{} ({})", err, no); - *(self.last_error.lock().unwrap()) = Some((no, err)); - self.last_errno = no; - no - } -} - -fn null_ptr_error() -> std::io::Error { - std::io::Error::new(ErrorKind::Other, "received null pointer") -} - -impl FileExt { - /// Lock a file. - pub(crate) fn lock( - // p_file: *mut sqlite3_file, - &mut self, - e_lock: i32, - ) -> i32 { - // let state = match file_state(p_file) { - // Ok(f) => f, - // Err(_) => return SQLITE_IOERR_LOCK, - // }; - // log::trace!("[{}] lock ({})", state.id, state.db_name); - - let lock = match LockKind::from_repr(e_lock) { - Some(lock) => lock, - None => return SQLITE_IOERR_LOCK, - }; - match self.file.lock(lock) { - Ok(true) => { - self.has_exclusive_lock = lock == LockKind::Exclusive; - // log::trace!("[{}] lock={:?} ({})", state.id, lock, state.db_name); - - // If just acquired a exclusive database lock while not having any exclusive lock - // on the wal index, make sure the wal index is up to date. - if self.has_exclusive_lock { - let has_exclusive_wal_index = self - .wal_index_locks - .iter() - .any(|(_, lock)| *lock == LockKind::Exclusive); - - if !has_exclusive_wal_index { - // log::trace!( - // "[{}] acquired exclusive db lock, pulling wal index changes", - // state.id, - // ); - - if let Some((wal_index, _)) = self.wal_index.as_mut() { - for (region, data) in &mut self.wal_index_regions { - if let Err(err) = wal_index.pull(*region as u32, data) { - // log::error!( - // "[{}] pulling wal index changes failed: {}", - // state.id, - // err - // ) - } - } - } - } - } - - SQLITE_OK - } - Ok(false) => { - // log::trace!( - // "[{}] busy (denied {:?}) ({})", - // state.id, - // lock, - // state.db_name - // ); - SQLITE_BUSY - } - Err(err) => self.set_last_error(SQLITE_IOERR_LOCK, err), - } - } - - /// Unlock a file. - pub(crate) fn unlock( - // p_file: *mut sqlite3_file, - &mut self, - e_lock: i32, - ) -> i32 { - // let state = match file_state(p_file) { - // Ok(f) => f, - // Err(_) => return SQLITE_IOERR_UNLOCK, - // }; - // log::trace!("[{}] unlock ({})", state.id, state.db_name); - - let lock = match LockKind::from_repr(e_lock) { - Some(lock) => lock, - None => return SQLITE_IOERR_UNLOCK, - }; - match self.file.unlock(lock) { - Ok(true) => { - self.has_exclusive_lock = lock == LockKind::Exclusive; - // log::trace!("[{}] unlock={:?} ({})", state.id, lock, state.db_name); - SQLITE_OK - } - Ok(false) => SQLITE_BUSY, - Err(err) => self.set_last_error(SQLITE_IOERR_UNLOCK, err), - } - } - - /// Check if another file-handle holds a [LockKind::Reserved] lock on a file. - pub(crate) fn check_reserved_lock( - // p_file: *mut sqlite3_file, - &mut self, - p_res_out: *mut i32, - ) -> i32 { - // let state = match file_state(p_file) { - // Ok(f) => f, - // Err(_) => return SQLITE_IOERR_CHECKRESERVEDLOCK, - // }; - // log::trace!("[{}] check_reserved_lock ({})", state.id, state.db_name); - - // #[cfg(feature = "sqlite_test")] - // if simulate_io_error() { - // return SQLITE_IOERR_CHECKRESERVEDLOCK; - // } - - if let Err(err) = self.file.reserved().and_then(|is_reserved| { - let p_res_out: &mut i32 = unsafe { p_res_out.as_mut().ok_or_else(null_ptr_error) }?; - *p_res_out = is_reserved as i32; - Ok(()) - }) { - return self.set_last_error(SQLITE_IOERR_UNLOCK, err); - } - - SQLITE_OK - } -} +mod file; +mod kind; +mod range; +mod lock; +pub mod open; + +pub use self::lock::Lock; +pub use self::kind::LockKind; +pub(crate) use self::file::FileLock; +pub(crate) use self::range::RangeLock; \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/open.rs b/benchmarks/vfs/io_uring/src/lock/open.rs new file mode 100644 index 0000000..f290a7e --- /dev/null +++ b/benchmarks/vfs/io_uring/src/lock/open.rs @@ -0,0 +1,86 @@ +#![allow(clippy::question_mark)] +//! Create a custom SQLite virtual file system by implementing the [Vfs] trait and registering it +//! using [register]. + +use std::borrow::Cow; +use std::collections::HashMap; +use std::ffi::{c_void, CStr, CString}; +use std::io::ErrorKind; +use std::mem::{size_of, ManuallyDrop, MaybeUninit}; +use std::ops::Range; +use std::os::raw::{c_char, c_int}; +use std::pin::Pin; +use std::ptr::null_mut; +use std::slice; +use std::sync::{Arc, Mutex}; +use std::time::Duration; + +use strum::FromRepr; + +use super::kind::LockKind; + +#[derive(Debug, Clone, PartialEq)] +pub struct OpenOptions { + /// The object type that is being opened. + pub kind: OpenKind, + + /// The access an object is opened with. + pub access: OpenAccess, + + /// The file should be deleted when it is closed. + delete_on_close: bool, +} + +/* +SQLITE_OPEN_MEMORY: i32 = 128; +SQLITE_OPEN_MAIN_DB: i32 = 256; +SQLITE_OPEN_TEMP_DB: i32 = 512; +SQLITE_OPEN_TRANSIENT_DB: i32 = 1024; +SQLITE_OPEN_MAIN_JOURNAL: i32 = 2048; +SQLITE_OPEN_TEMP_JOURNAL: i32 = 4096; +SQLITE_OPEN_SUBJOURNAL: i32 = 8192; +SQLITE_OPEN_SUPER_JOURNAL: i32 = 16384; +SQLITE_OPEN_NOMUTEX: i32 = 32768; +SQLITE_OPEN_FULLMUTEX: i32 = 65536; +SQLITE_OPEN_SHAREDCACHE: i32 = 131072; +SQLITE_OPEN_PRIVATECACHE: i32 = 262144; +SQLITE_OPEN_WAL: i32 = 524288; +SQLITE_OPEN_NOFOLLOW: i32 = 16777216; +SQLITE_OPEN_MASTER_JOURNAL: i32 = 16384; +*/ + +/// The object type that is being opened. +#[derive(FromRepr, Debug, Clone, Copy, PartialEq)] +#[repr(i32)] +pub enum OpenKind { + MainDb = 256, // SQLITE_OPEN_MAIN_DB, + MainJournal = 2048, // SQLITE_OPEN_MAIN_JOURNAL + TempDb = 512, // SQLITE_OPEN_TEMP_DB + TempJournal = 4096, // SQLITE_OPEN_TEMP_JOURNAL + TransientDb = 1024, // SQLITE_OPEN_TRANSIENT_DB + SubJournal = 8192, // SQLITE_OPEN_SUBJOURNAL + SuperJournal = 16384, // SQLITE_OPEN_SUPER_JOURNAL / SQLITE_OPEN_MASTER_JOURNAL + Wal = 524288, // SQLITE_OPEN_WAL +} + +/* +pub const SQLITE_OPEN_READONLY: i32 = 1; +pub const SQLITE_OPEN_READWRITE: i32 = 2; +pub const SQLITE_OPEN_CREATE: i32 = 4; +*/ +/// The access an object is opened with. +#[derive(FromRepr, Debug, Clone, Copy, PartialEq)] +#[repr(i32)] +pub enum OpenAccess { + /// Read access. + Read = 1, + + /// Write access (includes read access). + Write = 2, + + /// Create the file if it does not exist (includes write and read access). + Create = 4, + + /// Create the file, but throw if it it already exist (includes write and read access). + CreateNewThrowIfExists = 8, // TODO figure out how to support on io_uring +} diff --git a/benchmarks/vfs/io_uring/src/lock/range.rs b/benchmarks/vfs/io_uring/src/lock/range.rs index bb16fc4..ca3e985 100644 --- a/benchmarks/vfs/io_uring/src/lock/range.rs +++ b/benchmarks/vfs/io_uring/src/lock/range.rs @@ -5,8 +5,8 @@ use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; use std::{env, io}; use super::file::FileLock; -use super::kind::LockKind; -use super::wrapper::{flock_exclusive, flock_shared, flock_unlock}; +use super::LockKind; +use super::lock::{flock_exclusive, flock_shared, flock_unlock}; /// SQLite's default locking on UNIX systems is quite involved to work around certain limitations /// of POSIX locks. See https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L1026-L1114 for diff --git a/benchmarks/vfs/io_uring/src/lock/traits.rs b/benchmarks/vfs/io_uring/src/lock/traits.rs deleted file mode 100644 index 9ab4fd2..0000000 --- a/benchmarks/vfs/io_uring/src/lock/traits.rs +++ /dev/null @@ -1,161 +0,0 @@ -#![allow(clippy::question_mark)] -//! Create a custom SQLite virtual file system by implementing the [Vfs] trait and registering it -//! using [register]. - -use std::borrow::Cow; -use std::collections::HashMap; -use std::ffi::{c_void, CStr, CString}; -use std::io::ErrorKind; -use std::mem::{size_of, ManuallyDrop, MaybeUninit}; -use std::ops::Range; -use std::os::raw::{c_char, c_int}; -use std::pin::Pin; -use std::ptr::null_mut; -use std::slice; -use std::sync::{Arc, Mutex}; -use std::time::Duration; - -use strum::FromRepr; - -use super::kind::LockKind; -use super::wal::{WalConnection, WalIndex}; - -#[derive(Debug, Clone, PartialEq)] -pub struct OpenOptions { - /// The object type that is being opened. - pub kind: OpenKind, - - /// The access an object is opened with. - pub access: OpenAccess, - - /// The file should be deleted when it is closed. - delete_on_close: bool, -} - -/* -SQLITE_OPEN_MEMORY: i32 = 128; -SQLITE_OPEN_MAIN_DB: i32 = 256; -SQLITE_OPEN_TEMP_DB: i32 = 512; -SQLITE_OPEN_TRANSIENT_DB: i32 = 1024; -SQLITE_OPEN_MAIN_JOURNAL: i32 = 2048; -SQLITE_OPEN_TEMP_JOURNAL: i32 = 4096; -SQLITE_OPEN_SUBJOURNAL: i32 = 8192; -SQLITE_OPEN_SUPER_JOURNAL: i32 = 16384; -SQLITE_OPEN_NOMUTEX: i32 = 32768; -SQLITE_OPEN_FULLMUTEX: i32 = 65536; -SQLITE_OPEN_SHAREDCACHE: i32 = 131072; -SQLITE_OPEN_PRIVATECACHE: i32 = 262144; -SQLITE_OPEN_WAL: i32 = 524288; -SQLITE_OPEN_NOFOLLOW: i32 = 16777216; -SQLITE_OPEN_MASTER_JOURNAL: i32 = 16384; -*/ - -/// The object type that is being opened. -#[derive(FromRepr, Debug, Clone, Copy, PartialEq)] -#[repr(i32)] -pub enum OpenKind { - MainDb = 256, // SQLITE_OPEN_MAIN_DB, - MainJournal = 2048, // SQLITE_OPEN_MAIN_JOURNAL - TempDb = 512, // SQLITE_OPEN_TEMP_DB - TempJournal = 4096, // SQLITE_OPEN_TEMP_JOURNAL - TransientDb = 1024, // SQLITE_OPEN_TRANSIENT_DB - SubJournal = 8192, // SQLITE_OPEN_SUBJOURNAL - SuperJournal = 16384, // SQLITE_OPEN_SUPER_JOURNAL / SQLITE_OPEN_MASTER_JOURNAL - Wal = 524288, // SQLITE_OPEN_WAL -} - -/* -pub const SQLITE_OPEN_READONLY: i32 = 1; -pub const SQLITE_OPEN_READWRITE: i32 = 2; -pub const SQLITE_OPEN_CREATE: i32 = 4; -*/ -/// The access an object is opened with. -#[derive(FromRepr, Debug, Clone, Copy, PartialEq)] -#[repr(i32)] -pub enum OpenAccess { - /// Read access. - Read = 1, - - /// Write access (includes read access). - Write = 2, - - /// Create the file if it does not exist (includes write and read access). - Create = 4, - - /// Create the file, but throw if it it already exist (includes write and read access). - CreateNewThrowIfExists = 8, // TODO figure out how to support on io_uring -} - -/// A file opened by [Vfs]. -pub trait DatabaseHandle: Sync { - /// An optional trait used to store a WAL (write-ahead log). - type WalIndex: WalIndex; - - /// Lock the database. Returns whether the requested lock could be acquired. - /// Locking sequence: - /// - The lock is never moved from [LockKind::None] to anything higher than [LockKind::Shared]. - /// - A [LockKind::Pending] is never requested explicitly. - /// - A [LockKind::Shared] is always held when a [LockKind::Reserved] lock is requested - fn lock(&mut self, lock: LockKind) -> Result; - - /// Unlock the database. - fn unlock(&mut self, lock: LockKind) -> Result { - self.lock(lock) - } - - /// Check if the database this handle points to holds a [LockKind::Reserved], - /// [LockKind::Pending] or [LockKind::Exclusive] lock. - fn reserved(&mut self) -> Result; - - /// Return the current [LockKind] of the this handle. - fn current_lock(&self) -> Result; - - fn set_chunk_size(&self, _chunk_size: usize) -> Result<(), std::io::Error> { - Ok(()) - } - - /// Check if the underlying data of the handle got moved or deleted. When moved, the handle can - /// still be read from, but not written to anymore. - fn moved(&self) -> Result { - Ok(false) - } - - fn wal_index(&self, readonly: bool) -> Result; -} - -pub trait Open: Sync { - /// The file returned by [Vfs::open]. - type Handle: DatabaseHandle; - - /// Open the database `db` (of type `opts.kind`). - fn open(&self, db: &str, opts: OpenOptions) -> Result; - - /* - /// Delete the database `db`. - fn delete(&self, db: &str) -> Result<(), std::io::Error>; - - /// Check if a database `db` already exists. - fn exists(&self, db: &str) -> Result; - */ - - /// Generate and return a path for a temporary database. - fn temporary_name(&self) -> String; - - /* - /// Populate the `buffer` with random data. - fn random(&self, buffer: &mut [i8]); - - /// Sleep for `duration`. Return the duration actually slept. - fn sleep(&self, duration: Duration) -> Duration; - - /// Check access to `db`. The default implementation always returns `true`. - fn access(&self, _db: &str, _write: bool) -> Result { - Ok(true) - } - */ - - /// Retrieve the full pathname of a database `db`. - fn full_pathname<'a>(&self, db: &'a str) -> Result, std::io::Error> { - Ok(db.into()) - } -} diff --git a/benchmarks/vfs/io_uring/src/lock/wal.rs b/benchmarks/vfs/io_uring/src/lock/wal.rs deleted file mode 100644 index 0911856..0000000 --- a/benchmarks/vfs/io_uring/src/lock/wal.rs +++ /dev/null @@ -1,45 +0,0 @@ -use super::{file::FileLock, kind::LockKind, range::RangeLock, wrapper::Lock, *}; -use std::{fs::File, ops::Range, path::PathBuf}; - -// NOTE: subsumed by LockKind -// #[derive(Debug, Clone, Copy, PartialEq, Eq)] -// #[repr(u16)] -// pub enum WalIndexLock { -// None = 1, -// Shared, -// Exclusive, -// } - -pub struct Connection { - path: PathBuf, - file: File, - file_ino: u64, - lock: Option, -} - -pub struct WalConnection { - pub(crate) path: PathBuf, - pub(crate) file_lock: FileLock, - pub(crate) wal_lock: RangeLock, - pub(crate) readonly: bool, -} - -pub trait WalIndex: Sync { - // fn enabled() -> bool { - // true - // } - - fn map(&mut self, region: u32) -> Result<[u8; 32768], std::io::Error>; - - fn lock(&mut self, locks: Range, lock: LockKind) -> Result; - - fn delete(self) -> Result<(), std::io::Error>; - - fn pull(&mut self, _region: u32, _data: &mut [u8; 32768]) -> Result<(), std::io::Error> { - Ok(()) - } - - fn push(&mut self, _region: u32, _data: &[u8; 32768]) -> Result<(), std::io::Error> { - Ok(()) - } -} diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 412a559..7a77d76 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -1,9 +1,11 @@ use std::ffi::{CStr, CString}; use std::fs::File; +use std::os::fd::RawFd; use std::os::raw::c_void; use std::os::unix::ffi::OsStrExt; use std::os::unix::io::{AsRawFd, FromRawFd}; +use io_uring::types::Fd; use sqlite3ext_sys::sqlite3_file; use sqlite3ext_sys::{ SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, @@ -13,7 +15,7 @@ use sqlite3ext_sys::{SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP}; use sqlite_loadable::SqliteIoMethods; use std::io::{Error, ErrorKind, Result}; -use sqlite3ext_sys::SQLITE_LOCK_SHARED; +use sqlite3ext_sys::{SQLITE_LOCK_SHARED, SQLITE_BUSY, SQLITE_OK}; // IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html @@ -24,6 +26,9 @@ use std::{mem, ptr}; use io_uring::{opcode, register, types, IoUring}; use std::io; +use crate::lock::Lock; +use crate::lock::LockKind; + const USER_DATA_OPEN: u64 = 0x1; const USER_DATA_READ: u64 = 0x2; const USER_DATA_STATX: u64 = 0x3; @@ -36,6 +41,7 @@ pub struct Ops { ring: IoUring, file_path: CString, file_fd: Option, + lock: Option, } impl Ops { @@ -47,6 +53,7 @@ impl Ops { ring, file_path, file_fd: None, + lock: None, } } @@ -86,7 +93,13 @@ impl Ops { ))?; } - self.file_fd = Some(result.try_into().unwrap()); + let raw_fd: RawFd = result.try_into().unwrap(); + + self.file_fd = Some(raw_fd); + + let lock = Lock::from_raw_fd(&raw_fd)?; + + self.lock = Some(lock); Ok(()) } @@ -257,6 +270,29 @@ impl Ops { } Ok(()) } + + fn exclusive_requested_pending_acquired(&mut self, to: LockKind) -> bool { + if let Some(lock) = &mut self.lock { + lock.lock(to) && lock.current() == to + }else { + false + } + } + + pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { + LockKind::from_repr(lock_request) + .map(|kind| self.exclusive_requested_pending_acquired(kind)) + .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY } ) + .ok_or_else(|| Error::new(ErrorKind::Other, "Missing")) + } + + pub fn lock_reserved(&mut self) -> bool { + if let Some(lock) = &mut self.lock { + lock.reserved() + }else { + false + } + } } impl SqliteIoMethods for Ops { @@ -291,19 +327,20 @@ impl SqliteIoMethods for Ops { } fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_LOCK_SHARED) + self.lock_or_unlock(arg2) } fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_LOCK_SHARED) + self.lock_or_unlock(arg2) } fn check_reserved_lock( &mut self, file: *mut sqlite3_file, p_res_out: *mut i32, - ) -> Result { - Ok(true) + ) -> Result<()> { + unsafe { *p_res_out = if self.lock_reserved() { 1 } else { 0 }; } + Ok(()) } /// See https://www.sqlite.org/c3ref/file_control.html diff --git a/benchmarks/vfs/io_uring/tests/test_locks.rs b/benchmarks/vfs/io_uring/tests/test_locks.rs new file mode 100644 index 0000000..aea286e --- /dev/null +++ b/benchmarks/vfs/io_uring/tests/test_locks.rs @@ -0,0 +1,169 @@ +#[cfg(test)] +mod tests { + use std::fs; + use std::path::PathBuf; + + use _iouringvfs::lock::*; + + fn test_file(name: &str) -> PathBuf { + let path = PathBuf::from(env!("CARGO_TARGET_TMPDIR")) + .join(name) + .with_extension("txt"); + fs::write(&path, "").unwrap(); + path + } + + #[test] + fn test_none() { + let path = test_file(".test_none"); + let lock = Lock::new(&path).unwrap(); + assert_eq!(lock.current(), LockKind::None); + } + + #[test] + fn test_shared() { + let path = test_file(".test_shared"); + let mut lock = Lock::new(&path).unwrap(); + assert!(lock.lock(LockKind::Shared)); + assert_eq!(lock.current(), LockKind::Shared); + } + + #[test] + fn test_reserved() { + let path = test_file(".test_reserved"); + let mut lock = Lock::new(&path).unwrap(); + assert!(lock.lock(LockKind::Shared)); + assert!(lock.lock(LockKind::Reserved)); + assert_eq!(lock.current(), LockKind::Reserved); + } + + #[test] + fn test_exclusive() { + let path = test_file(".test_exclusive"); + let mut lock = Lock::new(&path).unwrap(); + assert!(lock.lock(LockKind::Shared)); + assert!(lock.lock(LockKind::Exclusive)); + assert_eq!(lock.current(), LockKind::Exclusive); + } + + #[test] + fn test_exclusive_via_reserved() { + let path = test_file(".test_exclusive_via_reserved"); + let mut lock = Lock::new(&path).unwrap(); + assert!(lock.lock(LockKind::Shared)); + assert!(lock.lock(LockKind::Reserved)); + assert!(lock.lock(LockKind::Exclusive)); + assert_eq!(lock.current(), LockKind::Exclusive); + } + + #[test] + #[should_panic( + expected = "cannot transition from unlocked to anything higher than shared (tried: Reserved)" + )] + fn test_none_to_reserved_panic() { + let path = test_file(".test_none_to_reserved_panic"); + let mut lock = Lock::new(&path).unwrap(); + lock.lock(LockKind::Reserved); + } + + #[test] + #[should_panic( + expected = "cannot transition from unlocked to anything higher than shared (tried: Exclusive)" + )] + fn test_none_to_exclusive_panic() { + let path = test_file(".test_none_to_exclusive_panic"); + let mut lock = Lock::new(&path).unwrap(); + lock.lock(LockKind::Exclusive); + } + + #[test] + #[should_panic(expected = "cannot explicitly request pending lock (request explicit lock instead)")] + fn test_shared_to_pending_panic() { + let path = test_file(".test_shared_to_pending_panic"); + let mut lock = Lock::new(&path).unwrap(); + assert!(lock.lock(LockKind::Shared)); + lock.lock(LockKind::Pending); + } + + #[test] + #[should_panic(expected = "cannot explicitly request pending lock (request explicit lock instead)")] + fn test_reserved_to_pending_panic() { + let path = test_file(".test_reserved_to_pending_panic"); + let mut lock = Lock::new(&path).unwrap(); + assert!(lock.lock(LockKind::Shared)); + assert!(lock.lock(LockKind::Reserved)); + lock.lock(LockKind::Pending); + } + + #[test] + fn test_reserved_once() { + let path = test_file(".reserved_once"); + let mut lock1 = Lock::new(&path).unwrap(); + assert!(lock1.lock(LockKind::Shared)); + + let mut lock2 = Lock::new(&path).unwrap(); + assert!(lock2.lock(LockKind::Shared)); + + assert!(lock1.lock(LockKind::Reserved)); + assert!(!lock2.lock(LockKind::Reserved)); + + assert!(lock1.lock(LockKind::Shared)); + assert!(lock2.lock(LockKind::Reserved)); + } + + #[test] + fn test_shared_while_reserved() { + let path = test_file(".shared_while_reserved"); + let mut lock1 = Lock::new(&path).unwrap(); + assert!(lock1.lock(LockKind::Shared)); + assert!(lock1.lock(LockKind::Reserved)); + + let mut lock2 = Lock::new(&path).unwrap(); + assert!(lock2.lock(LockKind::Shared)); + } + + #[test] + fn test_pending() { + let path = test_file(".test_pending"); + let mut lock1 = Lock::new(&path).unwrap(); + assert!(lock1.lock(LockKind::Shared)); + + let mut lock2 = Lock::new(&path).unwrap(); + assert!(lock2.lock(LockKind::Shared)); + assert!(lock2.lock(LockKind::Exclusive)); + assert_eq!(lock2.current(), LockKind::Pending); + } + + #[test] + fn test_pending_once() { + let path = test_file(".test_pending_once"); + let mut lock1 = Lock::new(&path).unwrap(); + assert!(lock1.lock(LockKind::Shared)); + + let mut lock2 = Lock::new(&path).unwrap(); + assert!(lock2.lock(LockKind::Shared)); + assert!(lock2.lock(LockKind::Exclusive)); + + assert!(!lock1.lock(LockKind::Exclusive)); + + assert_eq!(lock1.current(), LockKind::Shared); + assert_eq!(lock2.current(), LockKind::Pending); + } + + #[test] + fn test_pending_to_exclusive() { + let path = test_file(".test_pending_to_exclusive"); + let mut lock1 = Lock::new(&path).unwrap(); + assert!(lock1.lock(LockKind::Shared)); + + let mut lock2 = Lock::new(&path).unwrap(); + assert!(lock2.lock(LockKind::Shared)); + assert!(lock2.lock(LockKind::Exclusive)); + + assert!(lock1.lock(LockKind::None)); + assert!(lock2.lock(LockKind::Exclusive)); + + assert_eq!(lock1.current(), LockKind::None); + assert_eq!(lock2.current(), LockKind::Exclusive); + } +} diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index b88fbd2..37aa690 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -15,6 +15,7 @@ use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, SQLITE_LOCK_SHARED}; +use sqlite3ext_sys::SQLITE_OK; use std::io::{Error, Result, ErrorKind}; @@ -190,16 +191,16 @@ impl SqliteIoMethods for MemFile { } fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_LOCK_SHARED) + Ok(SQLITE_OK) // or SQLITE_LOCK_BUSY } fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_LOCK_SHARED) + Ok(SQLITE_OK) } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result { + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { unsafe{ *p_res_out = 0; } - Ok(true) + Ok(()) } fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { diff --git a/src/vfs/default.rs b/src/vfs/default.rs index e42c55d..2339eaa 100644 --- a/src/vfs/default.rs +++ b/src/vfs/default.rs @@ -430,11 +430,11 @@ impl SqliteIoMethods for DefaultFile { &mut self, file: *mut sqlite3_file, p_res_out: *mut c_int, - ) -> Result { + ) -> Result<()> { unsafe { if let Some(xCheckReservedLock) = ((*self.methods_ptr).xCheckReservedLock) { - let result = xCheckReservedLock(self.file_ptr, p_res_out); - Ok(result > 0) + xCheckReservedLock(self.file_ptr, p_res_out); + Ok(()) } else { Err(Error::new( ErrorKind::Other, diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 2a2367a..93fe918 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -13,7 +13,7 @@ use crate::vfs::traits::SqliteIoMethods; use crate::vfs::vfs::handle_error; use std::io::{Error, ErrorKind, Result}; -use super::vfs::{handle_bool, handle_int}; +use super::vfs::handle_int; // TODO use libsqlite3-dev, check installed: dpkg-query -l | grep sqlite @@ -132,7 +132,7 @@ unsafe extern "C" fn x_check_reserved_lock( let result = m.aux.check_reserved_lock(file, pResOut); Box::into_raw(f); Box::into_raw(m); - handle_bool(result, None) + handle_error(result, None) } unsafe extern "C" fn x_file_control( diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 433ce4f..6246699 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -31,13 +31,25 @@ pub trait SqliteIoMethods { fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()>; fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()>; fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()>; + + + /// Lock the database. Returns whether the requested lock could be acquired. + /// Locking sequence: + /// - The lock is never moved from [LockKind::None] to anything higher than [LockKind::Shared]. + /// - A [LockKind::Pending] is never requested explicitly. + /// - A [LockKind::Shared] is always held when a [LockKind::Reserved] lock is requested fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result; + + /// Unlock the database. fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result; + + /// Check if the database this handle points to holds a [LockKind::Reserved], + /// [LockKind::Pending] or [LockKind::Exclusive] lock. fn check_reserved_lock( &mut self, file: *mut sqlite3_file, p_res_out: *mut c_int, - ) -> Result; + ) -> Result<()>; fn file_control( &mut self, file: *mut sqlite3_file, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 6fcfc1e..d76df71 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -15,28 +15,6 @@ use std::io::{Error, ErrorKind, Result}; use super::traits::SqliteVfs; -pub(crate) fn handle_bool(result: Result, ext_io_err: Option) -> c_int { - match result { - Ok(i) => { - if i { - 1 - } else { - 0 - } - } - Err(e) => { - if let Some(inner_err) = e.into_inner() { - println!("error: {inner_err}"); - } - if let Some(extended) = ext_io_err { - extended - } else { - SQLITE_ERROR - } - } - } -} - pub(crate) fn handle_int(result: Result, ext_io_err: Option) -> c_int { match result { Ok(i) => i, From 81559f0125c7e335af6a231476f70a29fb4d1071 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 25 Oct 2023 21:05:54 +0200 Subject: [PATCH 097/142] add identifiers for crashes --- benchmarks/vfs/io_uring/src/ops.rs | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 7a77d76..a15d590 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -89,7 +89,7 @@ impl Ops { if result < 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", -cqe.result() as i32), + format!("open_file: raw os error result: {}", -cqe.result() as i32), ))?; } @@ -119,7 +119,7 @@ impl Ops { if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", -cqe.result() as i32), + format!("read: raw os error result: {}", -cqe.result() as i32), ))?; } Ok(()) @@ -140,7 +140,7 @@ impl Ops { if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", -cqe.result() as i32), + format!("write: raw os error result: {}", -cqe.result() as i32), ))?; } Ok(()) @@ -168,7 +168,7 @@ impl Ops { if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", -cqe.result() as i32), + format!("truncate2: raw os error result: {}", -cqe.result() as i32), ))?; } Ok(()) @@ -176,10 +176,10 @@ impl Ops { pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { let result = libc::ftruncate(self.file_fd.unwrap(), size); - if result == -1 { + if result != 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", result), + format!("truncate: raw os error result: {}", result), ))?; } Ok(()) @@ -214,7 +214,7 @@ impl Ops { if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", -cqe.result() as i32), + format!("close: raw os error result: {}", -cqe.result() as i32), ))?; } From cda0005ca55951d1b0e6189fc06b7181ecce8621 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 25 Oct 2023 23:33:44 +0200 Subject: [PATCH 098/142] fix tests --- benchmarks/vfs/io_uring/src/ops.rs | 21 +++++++----- benchmarks/vfs/io_uring/tests/test_vfs.rs | 42 ++--------------------- 2 files changed, 15 insertions(+), 48 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index a15d590..eff25d8 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -97,15 +97,10 @@ impl Ops { self.file_fd = Some(raw_fd); - let lock = Lock::from_raw_fd(&raw_fd)?; - - self.lock = Some(lock); - Ok(()) } pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { - // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); self.ring @@ -126,7 +121,6 @@ impl Ops { } pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { - // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); self.ring @@ -146,9 +140,9 @@ impl Ops { Ok(()) } + /* // TODO find io_uring op, this doesn't work pub unsafe fn o_truncate2(&mut self, size: i64) -> Result<()> { - // let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) .offset(0) @@ -173,6 +167,7 @@ impl Ops { } Ok(()) } + */ pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { let result = libc::ftruncate(self.file_fd.unwrap(), size); @@ -279,7 +274,16 @@ impl Ops { } } - pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { + fn init_lock(&mut self) { + if self.lock.is_none() { + let raw_fd = self.file_fd.unwrap(); + let lock = Lock::from_raw_fd(&raw_fd).expect("should be fine"); + self.lock = Some(lock); + } + } + + pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { + self.init_lock(); LockKind::from_repr(lock_request) .map(|kind| self.exclusive_requested_pending_acquired(kind)) .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY } ) @@ -287,6 +291,7 @@ impl Ops { } pub fn lock_reserved(&mut self) -> bool { + self.init_lock(); if let Some(lock) = &mut self.lock { lock.reserved() }else { diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 0d7973c..71ee16e 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -1,7 +1,7 @@ #[cfg(test)] mod tests { use _iouringvfs::sqlite3_iouringvfs_init; - use rusqlite::{self, ffi::sqlite3_auto_extension, Connection, OpenFlags}; + use rusqlite::{self, ffi::sqlite3_auto_extension, Connection}; #[test] fn test_io_uring_ext() -> rusqlite::Result<()> { @@ -14,10 +14,7 @@ mod tests { let tmp_file = tempfile::NamedTempFile::new().unwrap(); let out_path = tmp_file.path().to_str().unwrap(); - let flags = OpenFlags::SQLITE_OPEN_URI - | OpenFlags::SQLITE_OPEN_READ_WRITE - | OpenFlags::SQLITE_OPEN_CREATE; - let conn = Connection::open_with_flags_and_vfs(out_path, flags, "unix")?; + let conn = Connection::open_in_memory().unwrap(); let stmt = format!( "ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", @@ -40,39 +37,4 @@ mod tests { Ok(()) } - - #[test] - fn test_io_uring_ext_with_wal() -> rusqlite::Result<()> { - unsafe { - sqlite3_auto_extension(Some(std::mem::transmute( - sqlite3_iouringvfs_init as *const (), - ))); - } - - let tmp_file = tempfile::NamedTempFile::new().unwrap(); - let out_path = tmp_file.path().to_str().unwrap(); - - let flags = OpenFlags::SQLITE_OPEN_URI - | OpenFlags::SQLITE_OPEN_READ_WRITE - | OpenFlags::SQLITE_OPEN_CREATE; - let conn = Connection::open_with_flags_and_vfs(out_path, flags, "unix")?; - - let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", out_path); - let stmt_str = stmt.as_str(); - conn.execute(stmt_str, ())?; - - conn.execute("CREATE TABLE t3(x, y)", ())?; - conn.execute( - "INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", - (), - )?; - - let result: String = conn - .query_row("select x from t3 where y = 1", (), |x| x.get(0)) - .unwrap(); - - assert_eq!(result, "e"); - - Ok(()) - } } From 555ba29bd051d0e652eabf87214b21a1615bfb65 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 26 Oct 2023 03:20:45 +0200 Subject: [PATCH 099/142] fix last unit test --- benchmarks/vfs/io_uring/include/conn.in.rs | 26 +++++++++++----------- benchmarks/vfs/io_uring/src/ops.rs | 5 +++-- benchmarks/vfs/io_uring/tests/test_vfs.rs | 1 + 3 files changed, 17 insertions(+), 15 deletions(-) diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index b2fde0a..006fe71 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -25,19 +25,19 @@ fn create_test_database(args: Vec) -> rusqlite::Result { }; conn.execute_batch( - "CREATE TABLE t1(a integer, b varchar(100)); - CREATE TABLE t2(a integer, b integer, c varchar(100)); - CREATE TABLE t3(a integer, b integer, c varchar(100)); - CREATE INDEX i3 ON t3(c); - CREATE TABLE t4(a integer, b integer, c varchar(100)); - CREATE TABLE t5(a integer, b integer, c varchar(100)); - CREATE TABLE t6(a integer, b integer); - CREATE TABLE t7(a integer, b integer); - CREATE INDEX i7 ON t7(b); - CREATE TABLE t8(a integer, b integer); - CREATE TABLE t9(a integer, b integer); - CREATE TABLE t10(a integer, b integer, c varchar(100)); - CREATE INDEX i10 ON t10(a);" + "CREATE TABLE IF NOT EXISTS t1(a integer, b varchar(100)); + CREATE TABLE IF NOT EXISTS t2(a integer, b integer, c varchar(100)); + CREATE TABLE IF NOT EXISTS t3(a integer, b integer, c varchar(100)); + CREATE INDEX IF NOT EXISTS i3 ON t3(c); + CREATE TABLE IF NOT EXISTS t4(a integer, b integer, c varchar(100)); + CREATE TABLE IF NOT EXISTS t5(a integer, b integer, c varchar(100)); + CREATE TABLE IF NOT EXISTS t6(a integer, b integer); + CREATE TABLE IF NOT EXISTS t7(a integer, b integer); + CREATE INDEX IF NOT EXISTS i7 ON t7(b); + CREATE TABLE IF NOT EXISTS t8(a integer, b integer); + CREATE TABLE IF NOT EXISTS t9(a integer, b integer); + CREATE TABLE IF NOT EXISTS t10(a integer, b integer, c varchar(100)); + CREATE INDEX IF NOT EXISTS i10 ON t10(a);" )?; Ok(conn) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index eff25d8..add742a 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -276,8 +276,9 @@ impl Ops { fn init_lock(&mut self) { if self.lock.is_none() { - let raw_fd = self.file_fd.unwrap(); - let lock = Lock::from_raw_fd(&raw_fd).expect("should be fine"); + let str = self.file_path.to_str().expect("should be a valid utf-8 string"); + // the fd from the ring, returns: os error 9 + let lock = Lock::new(str).expect("should be a valid lock"); self.lock = Some(lock); } } diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 71ee16e..05fe584 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -38,3 +38,4 @@ mod tests { Ok(()) } } + \ No newline at end of file From 5202276cd6f4b5f2ca966c3f8bfcf31ed91a3b5b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 26 Oct 2023 03:30:42 +0200 Subject: [PATCH 100/142] trim docker scripts --- Dockerfile | 14 +++++++++++++- benchmarks/vfs/io_uring/Dockerfile | 23 ----------------------- benchmarks/vfs/io_uring/run-docker.sh | 8 -------- run-docker.sh | 2 +- 4 files changed, 14 insertions(+), 33 deletions(-) delete mode 100644 benchmarks/vfs/io_uring/Dockerfile delete mode 100644 benchmarks/vfs/io_uring/run-docker.sh diff --git a/Dockerfile b/Dockerfile index 1bf8b22..88ee5bb 100644 --- a/Dockerfile +++ b/Dockerfile @@ -6,8 +6,11 @@ RUN apt-get update # development RUN apt-get install -y curl valgrind build-essential clang pahole +# connect with vs code remote via ssh +RUN apt install -y openssh-server + # project -RUN apt-get install -y sqlite3 liburing-dev +RUN apt-get install -y libsqlite3-dev sqlite3 liburing-dev # upgrade kernel to 6.1 RUN apt upgrade -y linux-image-arm64 @@ -21,3 +24,12 @@ RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind" # Check sqlite compile options: RUN echo "PRAGMA compile_options;" | sqlite3 + +RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config + +EXPOSE 22 + +ENTRYPOINT service ssh start && bash + +# on visual code studio +# install "remote development" "remote - ssh" "rust-analyzer" diff --git a/benchmarks/vfs/io_uring/Dockerfile b/benchmarks/vfs/io_uring/Dockerfile deleted file mode 100644 index d1b9405..0000000 --- a/benchmarks/vfs/io_uring/Dockerfile +++ /dev/null @@ -1,23 +0,0 @@ -# kernel 6.1 -FROM debian:bookworm-slim - -RUN apt-get update - -# development -RUN apt-get install -y curl valgrind build-essential clang pahole - -# project -RUN apt-get install -y sqlite3 liburing-dev - -# upgrade kernel to 6.1 -RUN apt upgrade -y linux-image-arm64 - -# rust -ENV RUST_VERSION=stable -RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=$RUST_VERSION - -# Install cargo-valgrind -RUN /bin/bash -c "source /root/.cargo/env && cargo install cargo-valgrind && cargo install --locked hyperfine" - -# Check sqlite compile options: -RUN echo "PRAGMA compile_options;" | sqlite3 diff --git a/benchmarks/vfs/io_uring/run-docker.sh b/benchmarks/vfs/io_uring/run-docker.sh deleted file mode 100644 index 9b80c37..0000000 --- a/benchmarks/vfs/io_uring/run-docker.sh +++ /dev/null @@ -1,8 +0,0 @@ -#!/bin/sh -NAME="io_uring:1.0" -docker image inspect "$NAME" || docker build -t "$NAME" . -docker run -it -v $PWD:/tmp -w /tmp $NAME - -# see https://github.com/jfrimmel/cargo-valgrind/pull/58/commits/1c168f296e0b3daa50279c642dd37aecbd85c5ff#L59 -# scan for double frees and leaks -# VALGRINDFLAGS="--leak-check=yes --trace-children=yes" cargo valgrind test diff --git a/run-docker.sh b/run-docker.sh index f377ceb..5bd9b51 100644 --- a/run-docker.sh +++ b/run-docker.sh @@ -1,7 +1,7 @@ #!/bin/sh NAME="sqlite-loadable-rs:1.0" docker image inspect "$NAME" || docker build -t "$NAME" . -docker run -it -v $PWD:/tmp -w /tmp $NAME +docker run -it -p 2222:22 -v $PWD:/root -w /root $NAME # see https://github.com/jfrimmel/cargo-valgrind/pull/58/commits/1c168f296e0b3daa50279c642dd37aecbd85c5ff#L59 # scan for double frees and leaks From 778398f97fe202413e3b0427c24bf0a36afd7f7d Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 26 Oct 2023 05:15:23 +0200 Subject: [PATCH 101/142] improve error flow clean up add tests --- benchmarks/vfs/io_uring/include/conn.in.rs | 6 +++--- benchmarks/vfs/io_uring/src/lib.rs | 7 +----- benchmarks/vfs/io_uring/src/lock/lock.rs | 20 ----------------- benchmarks/vfs/io_uring/src/ops.rs | 24 ++++++++++++--------- benchmarks/vfs/io_uring/tests/test_locks.rs | 8 +++++++ 5 files changed, 26 insertions(+), 39 deletions(-) diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index 006fe71..8454fe6 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -13,15 +13,15 @@ fn create_test_database(args: Vec) -> rusqlite::Result { let conn = if args.len() == 2 { let file_path = args[1].as_str(); - let conn = Connection::open(file_path).expect("Failed to create in-file database"); + let conn = Connection::open(file_path)?; if file_path.contains("ring") { let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); let stmt_str = stmt.as_str(); - conn.execute(stmt_str, ()).expect("Failed to execute"); + conn.execute(stmt_str, ())?; } conn }else { - Connection::open_in_memory().expect("Failed to create in-memory database") + Connection::open_in_memory()? }; conn.execute_batch( diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index b605a4d..937c9f8 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -51,11 +51,9 @@ impl SqliteVfs for IoUringVfs { ) -> Result<()> { let file_path = unsafe { CStr::from_ptr(z_name) }; - let db_file_obj = unsafe { sqlite3ext_database_file_object(file_path.as_ptr()) }; let mut file = Ops::new(file_path.to_owned(), 32); - file.open_file() - .map_err(|_| Error::new(ErrorKind::Other, "can't open file"))?; + file.open_file()?; unsafe { *p_file = *create_file_pointer(file); @@ -186,9 +184,6 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> // allocation is bound to lifetime of struct let name_ptr = ring_vfs.vfs_name.as_ptr(); - // let file_size = std::mem::size_of::>(); - // let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, file_size.try_into().unwrap()); - // vfs_file_size == 0, fixes the stack smash, when Box does the clean up let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, 0); diff --git a/benchmarks/vfs/io_uring/src/lock/lock.rs b/benchmarks/vfs/io_uring/src/lock/lock.rs index 59db9be..2a381d7 100644 --- a/benchmarks/vfs/io_uring/src/lock/lock.rs +++ b/benchmarks/vfs/io_uring/src/lock/lock.rs @@ -64,26 +64,6 @@ impl Lock { }) } - pub fn from_file(f1: &File) -> io::Result { - let f2 = OpenOptions::new() - .read(true) - .write(true) - .create(true) - .open(env::temp_dir().join(format!("{}.lck", f1.metadata()?.ino())))?; - - Ok(Lock { - fd1: f1.as_raw_fd(), - fd1_owned: false, - fd2: f2.into_raw_fd(), - current: LockKind::None, - }) - } - - pub fn from_raw_fd(f1_fd: &RawFd) -> io::Result { - let f1 = unsafe { File::from_raw_fd(*f1_fd) }; - Self::from_file(&f1) - } - pub fn current(&self) -> LockKind { self.current } diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index add742a..d9e0643 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -274,29 +274,32 @@ impl Ops { } } - fn init_lock(&mut self) { + fn init_lock(&mut self) -> Result<()> { if self.lock.is_none() { - let str = self.file_path.to_str().expect("should be a valid utf-8 string"); + let err = Error::new(ErrorKind::Other, "bad file name"); + let str = self.file_path.to_str().map_err(|_| err)?; // the fd from the ring, returns: os error 9 - let lock = Lock::new(str).expect("should be a valid lock"); + + let lock = Lock::new(str)?; self.lock = Some(lock); } + Ok(()) } pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { - self.init_lock(); + self.init_lock()?; LockKind::from_repr(lock_request) .map(|kind| self.exclusive_requested_pending_acquired(kind)) .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY } ) - .ok_or_else(|| Error::new(ErrorKind::Other, "Missing")) + .ok_or_else(|| Error::new(ErrorKind::Other, "Missing lock")) } - pub fn lock_reserved(&mut self) -> bool { - self.init_lock(); + pub fn lock_reserved(&mut self) -> Result { + self.init_lock()?; if let Some(lock) = &mut self.lock { - lock.reserved() + Ok(lock.reserved()) }else { - false + Err(Error::new(ErrorKind::Other, "Missing lock")) } } } @@ -345,7 +348,8 @@ impl SqliteIoMethods for Ops { file: *mut sqlite3_file, p_res_out: *mut i32, ) -> Result<()> { - unsafe { *p_res_out = if self.lock_reserved() { 1 } else { 0 }; } + let lock_reserved = self.lock_reserved()?; + unsafe { *p_res_out = if lock_reserved { 1 } else { 0 }; } Ok(()) } diff --git a/benchmarks/vfs/io_uring/tests/test_locks.rs b/benchmarks/vfs/io_uring/tests/test_locks.rs index aea286e..4f2eed3 100644 --- a/benchmarks/vfs/io_uring/tests/test_locks.rs +++ b/benchmarks/vfs/io_uring/tests/test_locks.rs @@ -13,6 +13,14 @@ mod tests { path } + #[test] + fn test_lock_order() { + assert!(LockKind::None < LockKind::Shared); + assert!(LockKind::Shared < LockKind::Reserved); + assert!(LockKind::Reserved < LockKind::Pending); + assert!(LockKind::Pending < LockKind::Exclusive); + } + #[test] fn test_none() { let path = test_file(".test_none"); From b29eb78595bdc432512d22f0092b81737418e190 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 26 Oct 2023 06:46:20 +0200 Subject: [PATCH 102/142] remove locks, clean up --- benchmarks/vfs/io_uring/src/lib.rs | 2 + benchmarks/vfs/io_uring/src/lock/file.rs | 76 ----------- benchmarks/vfs/io_uring/src/lock/lock.rs | 6 +- benchmarks/vfs/io_uring/src/lock/mod.rs | 7 +- benchmarks/vfs/io_uring/src/lock/range.rs | 126 ------------------ .../vfs/io_uring/src/{lock => }/open.rs | 2 - src/vfs/file.rs | 15 +-- 7 files changed, 7 insertions(+), 227 deletions(-) delete mode 100644 benchmarks/vfs/io_uring/src/lock/file.rs delete mode 100644 benchmarks/vfs/io_uring/src/lock/range.rs rename benchmarks/vfs/io_uring/src/{lock => }/open.rs (98%) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 937c9f8..bf30d85 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,6 +1,8 @@ #![allow(unused)] pub mod ops; pub mod lock; +pub mod open; + use ops::Ops; use sqlite_loadable::ext::{ diff --git a/benchmarks/vfs/io_uring/src/lock/file.rs b/benchmarks/vfs/io_uring/src/lock/file.rs deleted file mode 100644 index 5ee8fa5..0000000 --- a/benchmarks/vfs/io_uring/src/lock/file.rs +++ /dev/null @@ -1,76 +0,0 @@ -use std::collections::HashMap; -use std::fs::{File, OpenOptions}; -use std::ops::Range; -use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; -use std::{env, io}; - -use super::kind::LockKind; -use super::lock::{flock_exclusive, flock_shared, flock_unlock}; - -pub struct FileLock { - file: Option, - fd: RawFd, -} - -impl FileLock { - pub fn new(file: File) -> Self { - Self { - fd: file.as_raw_fd(), - file: Some(file), - } - } - - pub fn file(&mut self) -> &mut File { - self.file - .get_or_insert_with(|| unsafe { File::from_raw_fd(self.fd) }) - } - - pub fn unlock(&self) { - flock_unlock(self.fd); - } - - pub fn shared(&self) -> bool { - flock_shared(self.fd) - } - - pub fn wait_shared(&self) { - flock_wait_shared(self.fd) - } - - pub fn exclusive(&self) -> bool { - flock_exclusive(self.fd) - } - - pub fn wait_exclusive(&self) { - flock_wait_exclusive(self.fd) - } -} - -pub(crate) fn flock_wait_shared(fd: RawFd) { - unsafe { - if libc::flock(fd, libc::LOCK_SH) == 0 { - return; - } - } - - let err = std::io::Error::last_os_error(); - panic!("lock shared failed: {}", err); -} - -pub(crate) fn flock_wait_exclusive(fd: RawFd) { - unsafe { - if libc::flock(fd, libc::LOCK_EX) == 0 { - return; - } - } - - let err = std::io::Error::last_os_error(); - panic!("lock exclusive failed: {}", err); -} - -impl Drop for FileLock { - fn drop(&mut self) { - self.unlock(); - self.file.take(); - } -} diff --git a/benchmarks/vfs/io_uring/src/lock/lock.rs b/benchmarks/vfs/io_uring/src/lock/lock.rs index 2a381d7..625d952 100644 --- a/benchmarks/vfs/io_uring/src/lock/lock.rs +++ b/benchmarks/vfs/io_uring/src/lock/lock.rs @@ -172,7 +172,7 @@ impl Lock { } } -pub(crate) fn flock_unlock(fd: RawFd) { +fn flock_unlock(fd: RawFd) { unsafe { if libc::flock(fd, libc::LOCK_UN | libc::LOCK_NB) != 0 { panic!("unlock failed: {}", std::io::Error::last_os_error()); @@ -180,7 +180,7 @@ pub(crate) fn flock_unlock(fd: RawFd) { } } -pub(crate) fn flock_shared(fd: RawFd) -> bool { +fn flock_shared(fd: RawFd) -> bool { unsafe { if libc::flock(fd, libc::LOCK_SH | libc::LOCK_NB) == 0 { return true; @@ -195,7 +195,7 @@ pub(crate) fn flock_shared(fd: RawFd) -> bool { panic!("lock shared failed: {}", err); } -pub(crate) fn flock_exclusive(fd: RawFd) -> bool { +fn flock_exclusive(fd: RawFd) -> bool { unsafe { if libc::flock(fd, libc::LOCK_EX | libc::LOCK_NB) == 0 { return true; diff --git a/benchmarks/vfs/io_uring/src/lock/mod.rs b/benchmarks/vfs/io_uring/src/lock/mod.rs index e3c6313..b08dcef 100644 --- a/benchmarks/vfs/io_uring/src/lock/mod.rs +++ b/benchmarks/vfs/io_uring/src/lock/mod.rs @@ -1,10 +1,5 @@ -mod file; mod kind; -mod range; mod lock; -pub mod open; pub use self::lock::Lock; -pub use self::kind::LockKind; -pub(crate) use self::file::FileLock; -pub(crate) use self::range::RangeLock; \ No newline at end of file +pub use self::kind::LockKind; \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/lock/range.rs b/benchmarks/vfs/io_uring/src/lock/range.rs deleted file mode 100644 index ca3e985..0000000 --- a/benchmarks/vfs/io_uring/src/lock/range.rs +++ /dev/null @@ -1,126 +0,0 @@ -use std::collections::HashMap; -use std::fs::{File, OpenOptions}; -use std::ops::Range; -use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd}; -use std::{env, io}; - -use super::file::FileLock; -use super::LockKind; -use super::lock::{flock_exclusive, flock_shared, flock_unlock}; - -/// SQLite's default locking on UNIX systems is quite involved to work around certain limitations -/// of POSIX locks. See https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L1026-L1114 for -/// details. -/// -/// Since I don't want to re-implement that, I am going with something simpler which should suffice -/// the use-case of a VFS only used for tests. The locking uses BSD locks instead of POSIX locks. -/// -/// BSD locks unfortunately don't support locks on by ranges, which is why the following creates -/// a file per assumed byte. This is quite heavy on file access and usage of file descriptors, but -/// should suffice for the purpose of a test vfs. -pub struct RangeLock { - ino: u64, - locks: HashMap, -} - -impl RangeLock { - pub fn new(ino: u64) -> Self { - Self { - ino, - locks: Default::default(), - } - } - - pub fn lock(&mut self, range: Range, to: LockKind) -> io::Result { - // get exclusive lock on file descriptor that acts as a mutex - let mutex = FileLock::new( - OpenOptions::new() - .read(true) - .write(true) - .create(true) - .open(env::temp_dir().join(format!("{}_m.lck", self.ino)))?, - ); - mutex.wait_exclusive(); // is unlocked as soon as mutex is dropped - - for i in range.clone() { - let (fd, current) = match self.locks.get(&i) { - Some(fd) => fd, - None => { - let f = OpenOptions::new() - .read(true) - .write(true) - .create(true) - .open(env::temp_dir().join(format!("{}_{}.lck", self.ino, i)))?; - self.locks - .entry(i) - .or_insert((f.into_raw_fd(), LockKind::None)) - } - }; - - if *current == to { - continue; - } - - let ok = match to { - LockKind::None => { - flock_unlock(*fd); - true - } - LockKind::Shared => flock_shared(*fd), - LockKind::Exclusive => flock_exclusive(*fd), - _ => todo!(), - }; - if !ok { - // revert locks - for i in range.start..=i { - if let Some((fd, current)) = self.locks.get_mut(&i) { - match current { - LockKind::None => flock_unlock(*fd), - LockKind::Shared => { - flock_shared(*fd); - } - LockKind::Exclusive => { - flock_exclusive(*fd); - } - _ => todo!(), - } - } - } - - return Ok(false); - } - } - - if to == LockKind::None { - // Remove to free up file descriptors - for i in range { - if let Some((fd, _)) = self.locks.remove(&i) { - unsafe { File::from_raw_fd(fd) }; - } - } - } else { - // update current locks once all where successful - for i in range { - if let Some((_, current)) = self.locks.get_mut(&i) { - *current = to; - } - } - } - - Ok(true) - } -} - -impl Drop for RangeLock { - fn drop(&mut self) { - // unlock all - for (_, (fd, lock)) in std::mem::take(&mut self.locks) { - if lock == LockKind::None { - continue; - } - - flock_unlock(fd); - unsafe { File::from_raw_fd(fd) }; - } - } -} diff --git a/benchmarks/vfs/io_uring/src/lock/open.rs b/benchmarks/vfs/io_uring/src/open.rs similarity index 98% rename from benchmarks/vfs/io_uring/src/lock/open.rs rename to benchmarks/vfs/io_uring/src/open.rs index f290a7e..9b81d11 100644 --- a/benchmarks/vfs/io_uring/src/lock/open.rs +++ b/benchmarks/vfs/io_uring/src/open.rs @@ -17,8 +17,6 @@ use std::time::Duration; use strum::FromRepr; -use super::kind::LockKind; - #[derive(Debug, Clone, PartialEq)] pub struct OpenOptions { /// The object type that is being opened. diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 93fe918..0f5ad1d 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -15,19 +15,6 @@ use std::io::{Error, ErrorKind, Result}; use super::vfs::handle_int; -// TODO use libsqlite3-dev, check installed: dpkg-query -l | grep sqlite - -// Before setting break, enter gdb, run with parameters, then just directly crash it, then run 'where' - -// Get only file numbers of matched pattern of crash revealed by valgrind, then sed to break on gdb: -// egrep -n "isOpen\(pPager->fd" ./sqlite3.c | grep assert | cut -f1 -d: | sed 's/^/break sqlite3.c:/' - -// Segfaults: -// valgrind --leak-check=full --track-origins=yes --trace-children=yes --show-leak-kinds=all --log-file=leaky.txt sqlite3 --init iouring.sql - -// Cause of crash, because io_method is dropped by the box when into_raw is enabled -// #define isOpen(pFd) ((pFd)->pMethods!=0) - /// Let aux and methods Boxes go out of scope, thus drop, unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_int { let mut f = Box::>::from_raw(file.cast::>()); @@ -37,7 +24,7 @@ unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_i // Box::into_raw(m); // disabling crashes valgrind, reason: stack smashing, and free invalid pointer - // setting szOsFile to 0, fixes the stack smashing, only free'ing invalid pointer remains + // otherwise 8 bytes leak Box::into_raw(f); // Disabling both fails the unit tests, free(): invalid pointer From 59f36823d8b0fd34d98ec574881510e1648e4e70 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 26 Oct 2023 07:52:16 +0200 Subject: [PATCH 103/142] fix tests / benchmark --- benchmarks/vfs/io_uring/include/conn.in.rs | 8 +++-- benchmarks/vfs/io_uring/iouring.wal.sql | 18 ----------- benchmarks/vfs/io_uring/run-hyperfine.sh | 36 +++++++++++----------- 3 files changed, 23 insertions(+), 39 deletions(-) delete mode 100644 benchmarks/vfs/io_uring/iouring.wal.sql diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index 8454fe6..2756672 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -13,13 +13,15 @@ fn create_test_database(args: Vec) -> rusqlite::Result { let conn = if args.len() == 2 { let file_path = args[1].as_str(); - let conn = Connection::open(file_path)?; if file_path.contains("ring") { + let mem = Connection::open_in_memory()?; let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); let stmt_str = stmt.as_str(); - conn.execute(stmt_str, ())?; + mem.execute(stmt_str, ())?; + mem + }else { + Connection::open(file_path)? } - conn }else { Connection::open_in_memory()? }; diff --git a/benchmarks/vfs/io_uring/iouring.wal.sql b/benchmarks/vfs/io_uring/iouring.wal.sql deleted file mode 100644 index 429034d..0000000 --- a/benchmarks/vfs/io_uring/iouring.wal.sql +++ /dev/null @@ -1,18 +0,0 @@ -.mode box -.header on - -.load target/debug/lib_iouringvfs - -SELECT io_uring_vfs_from_file('iouring.ext.wal.db'); - -ATTACH io_uring_vfs_from_file('iouring.ext.wal.db') AS "iouring.ext.wal"; - --- PRAGMA locking_mode = NORMAL; - -CREATE TABLE t3(x varchar(10), y integer); - -INSERT INTO t3 VALUES('a', 4), - ('b', 5), - ('c', 3), - ('d', 8), - ('e', 1); diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh index 35e0a30..7b11c46 100644 --- a/benchmarks/vfs/io_uring/run-hyperfine.sh +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -5,25 +5,25 @@ rm -f *db *journal which hyperfine || cargo install --locked hyperfine cargo build --examples -# mem_vfs io_uring_vfs file_db_vfs wal.ring wal -hyperfine --show-output --warmup 1 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1.ring.db" "./target/debug/examples/test_1 test_1.ring.wal.db" "./target/debug/examples/test_1 test_1.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2.ring.db" "./target/debug/examples/test_2 test_2.ring.wal.db" "./target/debug/examples/test_2 test_2.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3.ring.db" "./target/debug/examples/test_3 test_3.ring.wal.db" "./target/debug/examples/test_3 test_3.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4.ring.db" "./target/debug/examples/test_4 test_4.ring.wal.db" "./target/debug/examples/test_4 test_4.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5.ring.db" "./target/debug/examples/test_5 test_5.ring.wal.db" "./target/debug/examples/test_5 test_5.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6.ring.db" "./target/debug/examples/test_6 test_6.ring.wal.db" "./target/debug/examples/test_6 test_6.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7.ring.db" "./target/debug/examples/test_7 test_7.ring.wal.db" "./target/debug/examples/test_7 test_7.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8.ring.db" "./target/debug/examples/test_8 test_8.ring.wal.db" "./target/debug/examples/test_8 test_8.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9.ring.db" "./target/debug/examples/test_9 test_9.ring.wal.db" "./target/debug/examples/test_9 test_9.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10.ring.db" "./target/debug/examples/test_10 test_10.ring.wal.db" "./target/debug/examples/test_10 test_10.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11.ring.db" "./target/debug/examples/test_11 test_11.ring.wal.db" "./target/debug/examples/test_11 test_11.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12.ring.db" "./target/debug/examples/test_12 test_12.ring.wal.db" "./target/debug/examples/test_12 test_12.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13.ring.db" "./target/debug/examples/test_13 test_13.ring.wal.db" "./target/debug/examples/test_13 test_13.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14.ring.db" "./target/debug/examples/test_14 test_14.ring.wal.db" "./target/debug/examples/test_14 test_14.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15.ring.db" "./target/debug/examples/test_15 test_15.ring.wal.db" "./target/debug/examples/test_15 test_15.wal.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16.ring.db" "./target/debug/examples/test_16 test_16.ring.wal.db" "./target/debug/examples/test_16 test_16.wal.db" +# mem_vfs io_uring_vfs file_db_vfs +hyperfine --show-output --warmup 1 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15_ring.db" +hyperfine --show-output --warmup 1 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16_ring.db" # for i in `seq 16`; do -# echo "hyperfine --show-output --warmup 1 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i test_$i.db\" \"./target/debug/examples/test_$i test_$i.ring.db\" \"./target/debug/examples/test_$i test_$i.ring.wal.db\" \"./target/debug/examples/test_$i test_$i.wal.db\""; \ +# echo "hyperfine --show-output --warmup 1 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i test_$i.db\" \"./target/debug/examples/test_$i test_$i_ring.db\""; \ # done From f426ff2c3ddc8eee45c8a0c89ea95c746024265d Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 26 Oct 2023 15:29:37 +0200 Subject: [PATCH 104/142] fix benchmark tests --- benchmarks/vfs/io_uring/examples/test_2.rs | 2 +- benchmarks/vfs/io_uring/examples/test_4.rs | 7 +++---- benchmarks/vfs/io_uring/examples/test_5.rs | 6 +++--- benchmarks/vfs/io_uring/examples/test_6.rs | 6 +++--- benchmarks/vfs/io_uring/examples/test_7.rs | 8 +++----- 5 files changed, 13 insertions(+), 16 deletions(-) diff --git a/benchmarks/vfs/io_uring/examples/test_2.rs b/benchmarks/vfs/io_uring/examples/test_2.rs index 99cf093..2bebfdb 100644 --- a/benchmarks/vfs/io_uring/examples/test_2.rs +++ b/benchmarks/vfs/io_uring/examples/test_2.rs @@ -15,7 +15,7 @@ fn main() -> rusqlite::Result<()> { for _ in 0..25000 { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); - let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute( "INSERT INTO t2 (a, b, c) VALUES (?, ?, ?)", diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index 6f5f1b6..b977b7b 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -29,10 +29,9 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 100; let upper_bound = (i + 1) * 1000; - tx2.execute( - "SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2", - (lower_bound, upper_bound), - )?; + let _ = tx2.prepare("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2")?. + query([lower_bound, upper_bound])?; + } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index f2d8a6e..5d50f6e 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -14,7 +14,7 @@ fn main() -> rusqlite::Result<()> { for _ in 0..25000 { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); - let value3: String = format!("Value{}", thread_rng().gen_range(0..25000)); + let value3: String = format!("Value {}", thread_rng().gen_range(0..25000)); tx.execute( "INSERT INTO t5 (a, b, c) VALUES (?, ?, ?)", @@ -25,8 +25,8 @@ fn main() -> rusqlite::Result<()> { let tx2 = conn.transaction()?; for i in 0..9 { - let stmt = format!("SELECT count(*), avg(b) FROM t5 WHERE c LIKE '%{}%'", i).to_string(); - tx2.execute(&stmt, ())?; + let _ = tx2.prepare("SELECT count(*), avg(b) FROM t5 WHERE c LIKE ?1")?. + query([i])?; } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_6.rs b/benchmarks/vfs/io_uring/examples/test_6.rs index d87a759..b900184 100644 --- a/benchmarks/vfs/io_uring/examples/test_6.rs +++ b/benchmarks/vfs/io_uring/examples/test_6.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..500000 { + for _ in 0..25000 { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); @@ -19,8 +19,8 @@ fn main() -> rusqlite::Result<()> { tx.commit()?; // fails if file is already indexed, TODO fix - conn.execute("CREATE INDEX i6a ON t6(a)", ())?; - conn.execute("CREATE INDEX i6b ON t6(b)", ())?; + conn.execute("CREATE INDEX IF NOT EXISTS i6a ON t6(a)", ())?; + conn.execute("CREATE INDEX IF NOT EXISTS i6b ON t6(b)", ())?; Ok(()) } diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs index a109e1c..92f0aa7 100644 --- a/benchmarks/vfs/io_uring/examples/test_7.rs +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -10,7 +10,7 @@ fn main() -> rusqlite::Result<()> { let mut rng = rand::thread_rng(); let tx = conn.transaction()?; - for _ in 0..500000 { + for _ in 0..25000 { let value1: i32 = rng.gen(); let value2: i32 = rng.gen(); @@ -22,10 +22,8 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 100; let upper_bound = (i + 1) + 100; - conn.execute( - "SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2", - (lower_bound, upper_bound), - )?; + let _ = conn.prepare("SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2")?. + query([lower_bound, upper_bound])?; } Ok(()) } From 28b557cb68e121e00ed57845915f6f14a2faad63 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 16 Nov 2023 01:18:05 +0100 Subject: [PATCH 105/142] removed over-reliance on Boxes when pointers could suffice, still need to fix the benchmark, and the unit test for vfs is broken --- Cargo.toml | 4 +- Dockerfile | 2 +- benchmarks/vfs/io_uring/.gitignore | 1 + benchmarks/vfs/io_uring/Cargo.lock | 229 +------------------ benchmarks/vfs/io_uring/Cargo.toml | 8 +- benchmarks/vfs/io_uring/include/conn.in.rs | 56 ++++- benchmarks/vfs/io_uring/run-hyperfine.sh | 36 +-- benchmarks/vfs/io_uring/src/lib.rs | 9 +- benchmarks/vfs/io_uring/src/open.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 10 +- benchmarks/vfs/io_uring/tests/test_vfs.rs | 23 +- include/mem_vfs.in.rs | 78 +++++-- src/ext.rs | 8 +- src/lib.rs | 1 - src/vfs/file.rs | 242 ++++++++------------- src/vfs/mod.rs | 2 +- src/vfs/{default.rs => shim.rs} | 22 +- src/vfs/traits.rs | 2 +- src/vfs/vfs.rs | 14 +- tests/test_mem_vfs.rs | 47 +++- 20 files changed, 322 insertions(+), 474 deletions(-) rename src/vfs/{default.rs => shim.rs} (98%) diff --git a/Cargo.toml b/Cargo.toml index bd2899f..0d8c42e 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -15,11 +15,11 @@ sqlite-loadable-macros={version="0.0.3", path="./sqlite-loadable-macros"} serde = {version="1.0.147", features = ["derive"]} serde_json = "1.0.87" bitflags = "1.3.2" -libsqlite3-sys = {version="0.26.0", optional=true, features=["bundled"]} +libsqlite3-sys = {version="^0.26", optional=true, features=["bundled"]} [dev-dependencies] rusqlite = "0.29.0" -libsqlite3-sys = {version="0.26.0", default-features = false, features=["bundled"]} +libsqlite3-sys = {version="^0.26", default-features = false, features=["bundled"]} [features] static = ["libsqlite3-sys"] diff --git a/Dockerfile b/Dockerfile index 88ee5bb..6aef86d 100644 --- a/Dockerfile +++ b/Dockerfile @@ -4,7 +4,7 @@ FROM debian:bookworm-slim RUN apt-get update # development -RUN apt-get install -y curl valgrind build-essential clang pahole +RUN apt-get install -y curl valgrind build-essential clang pahole git # connect with vs code remote via ssh RUN apt install -y openssh-server diff --git a/benchmarks/vfs/io_uring/.gitignore b/benchmarks/vfs/io_uring/.gitignore index d5654db..c8e0424 100644 --- a/benchmarks/vfs/io_uring/.gitignore +++ b/benchmarks/vfs/io_uring/.gitignore @@ -2,3 +2,4 @@ *-journal sqlite3 leaky.txt +db/** diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index 9f9e1ac..9fdc462 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -81,16 +81,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635" [[package]] -name = "byteorder" -version = "1.5.0" +name = "cc" +version = "1.0.83" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b" - -[[package]] -name = "bytes" -version = "1.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223" +checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0" +dependencies = [ + "libc", +] [[package]] name = "cexpr" @@ -142,34 +139,12 @@ dependencies = [ "os_str_bytes", ] -[[package]] -name = "combine" -version = "4.6.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "35ed6e9d84f0b51a7f52daf1c7d71dd136fd7a3f41a8462b8cdb8c78d920fad4" -dependencies = [ - "bytes", - "memchr", -] - [[package]] name = "either" version = "1.9.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07" -[[package]] -name = "enum-as-inner" -version = "0.5.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c9720bba047d567ffc8a3cba48bf19126600e249ab7f128e9233e6376976a116" -dependencies = [ - "heck", - "proc-macro2", - "quote", - "syn 1.0.109", -] - [[package]] name = "env_logger" version = "0.9.3" @@ -211,15 +186,6 @@ version = "2.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5" -[[package]] -name = "form_urlencoded" -version = "1.2.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a62bc1cf6f830c2ec14a513a9fb124d0a213a629668a4186f329db21fe045652" -dependencies = [ - "percent-encoding", -] - [[package]] name = "getrandom" version = "0.2.10" @@ -292,16 +258,6 @@ version = "2.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4" -[[package]] -name = "idna" -version = "0.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c" -dependencies = [ - "unicode-bidi", - "unicode-normalization", -] - [[package]] name = "indexmap" version = "1.9.3" @@ -362,6 +318,7 @@ version = "0.26.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "afc22eff61b133b115c6e8c74e818c628d6d5e7a502afea6f64dee076dd94326" dependencies = [ + "cc", "pkg-config", "vcpkg", ] @@ -378,66 +335,18 @@ version = "0.4.20" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f" -[[package]] -name = "mach2" -version = "0.4.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6d0d1830bcd151a6fc4aea1369af235b36c1528fe976b8ff678683c9995eade8" -dependencies = [ - "libc", -] - [[package]] name = "memchr" version = "2.6.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167" -[[package]] -name = "memoffset" -version = "0.7.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4" -dependencies = [ - "autocfg", -] - [[package]] name = "minimal-lexical" version = "0.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a" -[[package]] -name = "mmap-rs" -version = "0.6.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2e1af4ac2b44e6faa5d82a400349ccf8444d68559eca4c6f976befc4eee963da" -dependencies = [ - "bitflags 1.3.2", - "combine", - "libc", - "mach2", - "nix", - "sysctl", - "thiserror", - "widestring", - "windows", -] - -[[package]] -name = "nix" -version = "0.26.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "598beaf3cc6fdd9a5dfb1630c2800c7acd31df7aaf0f565796fba2b53ca1af1b" -dependencies = [ - "bitflags 1.3.2", - "cfg-if", - "libc", - "memoffset", - "pin-utils", -] - [[package]] name = "nom" version = "7.1.3" @@ -466,18 +375,6 @@ version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099" -[[package]] -name = "percent-encoding" -version = "2.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94" - -[[package]] -name = "pin-utils" -version = "0.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" - [[package]] name = "pkg-config" version = "0.3.27" @@ -621,15 +518,6 @@ version = "1.0.15" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741" -[[package]] -name = "same-file" -version = "1.0.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502" -dependencies = [ - "winapi-util", -] - [[package]] name = "serde" version = "1.0.188" @@ -678,6 +566,7 @@ name = "sqlite-loadable" version = "0.0.6-alpha.6" dependencies = [ "bitflags 1.3.2", + "libsqlite3-sys", "serde", "serde_json", "sqlite-loadable-macros", @@ -701,14 +590,12 @@ dependencies = [ "libc", "libsqlite3-sys", "log", - "mmap-rs", "rand", "rusqlite", "sqlite-loadable", "sqlite3ext-sys", "strum", "tempfile", - "url", ] [[package]] @@ -768,20 +655,6 @@ dependencies = [ "unicode-ident", ] -[[package]] -name = "sysctl" -version = "0.5.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ed66d6a2ccbd656659289bc90767895b7abbdec897a0fc6031aca3ed1cb51d3e" -dependencies = [ - "bitflags 1.3.2", - "byteorder", - "enum-as-inner", - "libc", - "thiserror", - "walkdir", -] - [[package]] name = "tempfile" version = "3.8.0" @@ -810,73 +683,12 @@ version = "0.16.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d" -[[package]] -name = "thiserror" -version = "1.0.49" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1177e8c6d7ede7afde3585fd2513e611227efd6481bd78d2e82ba1ce16557ed4" -dependencies = [ - "thiserror-impl", -] - -[[package]] -name = "thiserror-impl" -version = "1.0.49" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "10712f02019e9288794769fba95cd6847df9874d49d871d062172f9dd41bc4cc" -dependencies = [ - "proc-macro2", - "quote", - "syn 2.0.38", -] - -[[package]] -name = "tinyvec" -version = "1.6.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50" -dependencies = [ - "tinyvec_macros", -] - -[[package]] -name = "tinyvec_macros" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20" - -[[package]] -name = "unicode-bidi" -version = "0.3.13" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460" - [[package]] name = "unicode-ident" version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b" -[[package]] -name = "unicode-normalization" -version = "0.1.22" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921" -dependencies = [ - "tinyvec", -] - -[[package]] -name = "url" -version = "2.4.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "143b538f18257fac9cad154828a57c6bf5157e1aa604d4816b5995bf6de87ae5" -dependencies = [ - "form_urlencoded", - "idna", - "percent-encoding", -] - [[package]] name = "vcpkg" version = "0.2.15" @@ -889,16 +701,6 @@ version = "0.9.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" -[[package]] -name = "walkdir" -version = "2.4.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee" -dependencies = [ - "same-file", - "winapi-util", -] - [[package]] name = "wasi" version = "0.11.0+wasi-snapshot-preview1" @@ -917,12 +719,6 @@ dependencies = [ "rustix", ] -[[package]] -name = "widestring" -version = "1.0.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "653f141f39ec16bba3c5abe400a0c60da7468261cc2cbf36805022876bc721a8" - [[package]] name = "winapi" version = "0.3.9" @@ -954,15 +750,6 @@ version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" -[[package]] -name = "windows" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f" -dependencies = [ - "windows-targets", -] - [[package]] name = "windows-sys" version = "0.48.0" diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index 4c54883..133d339 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -6,16 +6,14 @@ edition = "2021" [dependencies] io-uring = "0.6.1" sqlite3ext-sys = {path="../../../sqlite3ext-sys"} -sqlite-loadable = {path="../../../"} -url = "2.4.1" -mmap-rs = "0.6.0" +sqlite-loadable = {path="../../../", features = ["static"]} libc = "0.2.148" log = "0.4" strum = { version = "0.25", features = ["derive"] } [dev-dependencies] -rusqlite = "0.29.0" -libsqlite3-sys = {version="0.26.0", default-features = false} +rusqlite = "0.30.0" +libsqlite3-sys = {version="0.27.0", default-features = false} tempfile = "3.8.0" rand = "0.8.5" diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index 2756672..e711bd7 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -1,6 +1,54 @@ use _iouringvfs::sqlite3_iouringvfs_init; use rusqlite::{ffi::sqlite3_auto_extension, Connection}; +pub const iouring_db_alias: &str = "ring"; + +fn open_io_uring_connection(db: &str) -> rusqlite::Result { + // BUG: Somehow to execute the next Connection::open_with_flags_and_vfs statement + // another valid vfs must loaded beforehand therwise, the new vfs cannot be located. + // Reproducible on the following dependencies: + // - rusqlite = "0.29.0" + // - libsqlite3-sys = {version="0.26.0", default-features = false} + + + // sqlite3OsRead lost mapped object and crashes + use rusqlite::OpenFlags; + use _iouringvfs::EXTENSION_NAME; + + // let conn = Connection::open_in_memory()?; + let conn = Connection::open_with_flags_and_vfs( + db, + OpenFlags::SQLITE_OPEN_READ_WRITE + | OpenFlags::SQLITE_OPEN_CREATE, + EXTENSION_NAME, + )?; + + // TODO support as rkusa/sqlite_vfs's implementation + /* + conn.execute_batch( + r#" + PRAGMA page_size=32768; + --! PRAGMA journal_mode = TRUNCATE; + --! PRAGMA journal_mode = MEMORY; + "#, + )?; + */ + + // conn.execute_batch( + // r#" + // PRAGMA page_size=32768; + // --! PRAGMA journal_mode = TRUNCATE; + // --! PRAGMA journal_mode = MEMORY; + // "# + // )?; + + // let conn = Connection::open_in_memory()?; + // let _ = conn.execute("ATTACH DATABASE io_uring_vfs_from_file(?1) as ?2", [db, iouring_db_alias])?; + + Ok(conn) +} + +#[allow(dead_code)] /// Tests were derived from: https://www.sqlite.org/speed.html fn create_test_database(args: Vec) -> rusqlite::Result { assert!(args.len() <= 2); @@ -14,11 +62,7 @@ fn create_test_database(args: Vec) -> rusqlite::Result { let conn = if args.len() == 2 { let file_path = args[1].as_str(); if file_path.contains("ring") { - let mem = Connection::open_in_memory()?; - let stmt = format!("ATTACH io_uring_vfs_from_file('{}') AS inring", file_path); - let stmt_str = stmt.as_str(); - mem.execute(stmt_str, ())?; - mem + open_io_uring_connection(file_path)? }else { Connection::open(file_path)? } @@ -27,7 +71,7 @@ fn create_test_database(args: Vec) -> rusqlite::Result { }; conn.execute_batch( - "CREATE TABLE IF NOT EXISTS t1(a integer, b varchar(100)); + r"CREATE TABLE IF NOT EXISTS t1(a integer, b varchar(100)); CREATE TABLE IF NOT EXISTS t2(a integer, b integer, c varchar(100)); CREATE TABLE IF NOT EXISTS t3(a integer, b integer, c varchar(100)); CREATE INDEX IF NOT EXISTS i3 ON t3(c); diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh index 7b11c46..94593aa 100644 --- a/benchmarks/vfs/io_uring/run-hyperfine.sh +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -5,25 +5,27 @@ rm -f *db *journal which hyperfine || cargo install --locked hyperfine cargo build --examples +mkdir -p db + # mem_vfs io_uring_vfs file_db_vfs -hyperfine --show-output --warmup 1 "./target/debug/examples/test_1" "./target/debug/examples/test_1 test_1.db" "./target/debug/examples/test_1 test_1_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_2" "./target/debug/examples/test_2 test_2.db" "./target/debug/examples/test_2 test_2_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_3" "./target/debug/examples/test_3 test_3.db" "./target/debug/examples/test_3 test_3_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_4" "./target/debug/examples/test_4 test_4.db" "./target/debug/examples/test_4 test_4_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_5" "./target/debug/examples/test_5 test_5.db" "./target/debug/examples/test_5 test_5_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_6" "./target/debug/examples/test_6 test_6.db" "./target/debug/examples/test_6 test_6_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_7" "./target/debug/examples/test_7 test_7.db" "./target/debug/examples/test_7 test_7_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_8" "./target/debug/examples/test_8 test_8.db" "./target/debug/examples/test_8 test_8_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_9" "./target/debug/examples/test_9 test_9.db" "./target/debug/examples/test_9 test_9_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_10" "./target/debug/examples/test_10 test_10.db" "./target/debug/examples/test_10 test_10_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_11" "./target/debug/examples/test_11 test_11.db" "./target/debug/examples/test_11 test_11_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_12" "./target/debug/examples/test_12 test_12.db" "./target/debug/examples/test_12 test_12_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_13" "./target/debug/examples/test_13 test_13.db" "./target/debug/examples/test_13 test_13_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_14" "./target/debug/examples/test_14 test_14.db" "./target/debug/examples/test_14 test_14_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_15" "./target/debug/examples/test_15 test_15.db" "./target/debug/examples/test_15 test_15_ring.db" -hyperfine --show-output --warmup 1 "./target/debug/examples/test_16" "./target/debug/examples/test_16 test_16.db" "./target/debug/examples/test_16 test_16_ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 db/test_1.db" "./target/debug/examples/test_1 db/test_1.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 db/test_2.db" "./target/debug/examples/test_2 db/test_2.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 db/test_3.db" "./target/debug/examples/test_3 db/test_3.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 db/test_4.db" "./target/debug/examples/test_4 db/test_4.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 db/test_5.db" "./target/debug/examples/test_5 db/test_5.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 db/test_6.db" "./target/debug/examples/test_6 db/test_6.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 db/test_7.db" "./target/debug/examples/test_7 db/test_7.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 db/test_8.db" "./target/debug/examples/test_8 db/test_8.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 db/test_9.db" "./target/debug/examples/test_9 db/test_9.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 db/test_10.db" "./target/debug/examples/test_10 db/test_10.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 db/test_11.db" "./target/debug/examples/test_11 db/test_11.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 db/test_12.db" "./target/debug/examples/test_12 db/test_12.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 db/test_13.db" "./target/debug/examples/test_13 db/test_13.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 db/test_14.db" "./target/debug/examples/test_14 db/test_14.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 db/test_15.db" "./target/debug/examples/test_15 db/test_15.ring.db" +hyperfine --show-output --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 db/test_16.db" "./target/debug/examples/test_16 db/test_16.ring.db" # for i in `seq 16`; do -# echo "hyperfine --show-output --warmup 1 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i test_$i.db\" \"./target/debug/examples/test_$i test_$i_ring.db\""; \ +# echo "hyperfine --show-output --warmup 3 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i db/test_${i}.db\" \"./target/debug/examples/test_$i db/test_${i}.ring.db\""; \ # done diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index bf30d85..4e79920 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -8,7 +8,9 @@ use ops::Ops; use sqlite_loadable::ext::{ sqlite3ext_context_db_handle, sqlite3ext_database_file_object, sqlite3ext_file_control, sqlite3ext_vfs_find, sqlite3ext_vfs_register, + sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, }; + use sqlite_loadable::vfs::default::{DefaultFile, DefaultVfs}; use sqlite_loadable::vfs::vfs::create_vfs; @@ -17,7 +19,6 @@ use sqlite_loadable::{ api, create_file_pointer, define_scalar_function, prelude::*, register_boxed_vfs, vfs::traits::SqliteVfs, SqliteIoMethods, }; -use url::Url; use std::ffi::{CStr, CString}; use std::fs::{self, File}; @@ -25,7 +26,7 @@ use std::io::{self, Read, Write}; use std::os::raw::{c_char, c_void}; use std::{mem, ptr}; -use sqlite3ext_sys::{sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs}; +// use sqlite3ext_sys::{sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs}; use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_IOERR_DELETE, SQLITE_OPEN_MAIN_DB, SQLITE_OPEN_WAL}; use std::io::{Error, ErrorKind, Result}; @@ -36,7 +37,7 @@ use std::io::{Error, ErrorKind, Result}; // source: https://voidstar.tech/sqlite_insert_speed // source: https://www.sqlite.org/speed.html -const EXTENSION_NAME: &str = "iouring"; +pub const EXTENSION_NAME: &str = "iouring"; struct IoUringVfs { default_vfs: DefaultVfs, @@ -167,7 +168,7 @@ fn vfs_from_file( } // See Cargo.toml "[[lib]] name = ..." matches this function name -#[sqlite_entrypoint_permanent] +#[sqlite_entrypoint] pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); diff --git a/benchmarks/vfs/io_uring/src/open.rs b/benchmarks/vfs/io_uring/src/open.rs index 9b81d11..0f10613 100644 --- a/benchmarks/vfs/io_uring/src/open.rs +++ b/benchmarks/vfs/io_uring/src/open.rs @@ -77,7 +77,7 @@ pub enum OpenAccess { Write = 2, /// Create the file if it does not exist (includes write and read access). - Create = 4, + Create = 6, /// Create the file, but throw if it it already exist (includes write and read access). CreateNewThrowIfExists = 8, // TODO figure out how to support on io_uring diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index d9e0643..59bf332 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -115,9 +115,10 @@ impl Ops { Err(Error::new( ErrorKind::Other, format!("read: raw os error result: {}", -cqe.result() as i32), - ))?; + )) + }else { + Ok(()) } - Ok(()) } pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { @@ -135,9 +136,10 @@ impl Ops { Err(Error::new( ErrorKind::Other, format!("write: raw os error result: {}", -cqe.result() as i32), - ))?; + )) + }else { + Ok(()) } - Ok(()) } /* diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 05fe584..6613837 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -1,7 +1,11 @@ +include!("../include/conn.in.rs"); + #[cfg(test)] mod tests { use _iouringvfs::sqlite3_iouringvfs_init; - use rusqlite::{self, ffi::sqlite3_auto_extension, Connection}; + use rusqlite::{self, ffi::sqlite3_auto_extension}; + + use crate::open_io_uring_connection; #[test] fn test_io_uring_ext() -> rusqlite::Result<()> { @@ -11,17 +15,11 @@ mod tests { ))); } - let tmp_file = tempfile::NamedTempFile::new().unwrap(); - let out_path = tmp_file.path().to_str().unwrap(); - - let conn = Connection::open_in_memory().unwrap(); + // let tmp_file = tempfile::NamedTempFile::new().unwrap(); + // let out_path = tmp_file.path().to_str().unwrap(); + let out_path = "main.db"; - let stmt = format!( - "ATTACH DATABASE io_uring_vfs_from_file('{}') AS inring", - out_path - ); - let stmt_str = stmt.as_str(); - conn.execute(stmt_str, ())?; + let conn = open_io_uring_connection(out_path)?; conn.execute("CREATE TABLE t3(x varchar(10), y integer)", ())?; conn.execute( @@ -30,8 +28,7 @@ mod tests { )?; let result: String = conn - .query_row("select x from t3 where y = 4", (), |x| x.get(0)) - .unwrap(); + .query_row("select x from t3 where y = 4", (), |x| x.get(0))?; assert_eq!(result, "a"); diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index 37aa690..ceeff8c 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -1,8 +1,9 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; -use sqlite_loadable::vfs::default::DefaultVfs; +use sqlite_loadable::vfs::shim::ShimVfs; use sqlite_loadable::vfs::vfs::create_vfs; +use sqlite_loadable::vfs::file::create_io_methods_ptr; -use sqlite_loadable::{prelude::*, SqliteIoMethods, create_file_pointer, register_boxed_vfs, define_scalar_function, api, vfs::traits::SqliteVfs}; +use sqlite_loadable::{prelude::*, SqliteIoMethods, register_boxed_vfs, define_scalar_function, api, vfs::traits::SqliteVfs}; use std::ffi::{CString, CStr}; use std::fs::{File, self}; @@ -10,12 +11,11 @@ use std::io::{Write, Read, self}; use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; -use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK}; -use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE}; -use sqlite3ext_sys::{SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, - SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, SQLITE_LOCK_SHARED}; -use sqlite3ext_sys::SQLITE_OK; +use sqlite_loadable::ext::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, + SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE, + SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN, + SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, SQLITE_LOCK_EXCLUSIVE, SQLITE_LOCK_SHARED, SQLITE_OK}; use std::io::{Error, Result, ErrorKind}; @@ -29,7 +29,7 @@ use std::io::{Error, Result, ErrorKind}; /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c /// See https://www.sqlite.org/debugging.html for debugging methods struct MemVfs { - default_vfs: DefaultVfs, + default_vfs: Option, name: CString, } @@ -49,10 +49,28 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { let mut mem_file = MemFile { - file_contents: Vec::new(), + file_contents: vec![ + 0x53, 0x51, 0x4c, 0x69, 0x74, 0x65, 0x20, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x20, 0x33, 0x00, + 0x10, 0x00, 0x01, 0x01, 0x00, 0x40, 0x20, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x2e, 0x63, 0x01 + ], }; + + /* + let mut j: u32 = 0; + for i in &mem_file.file_contents { + println!("{}:\t{}\t{}", j, i, *i as char); + j = j + 1; + } + */ - unsafe { *p_file = *create_file_pointer( mem_file ); } + unsafe { + (*p_file).pMethods = create_io_methods_ptr(mem_file); + } Ok(()) } @@ -100,23 +118,38 @@ impl SqliteVfs for MemVfs { // } fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { - self.default_vfs.randomness(n_byte, z_out) + if let Some(vfs) = &mut self.default_vfs { + return vfs.randomness(n_byte, z_out); + } + 0 } fn sleep(&mut self, microseconds: i32) -> i32 { - self.default_vfs.sleep(microseconds) + if let Some(vfs) = &mut self.default_vfs { + return vfs.sleep(microseconds); + } + 0 } fn current_time(&mut self, arg2: *mut f64) -> i32 { - self.default_vfs.current_time(arg2) + if let Some(vfs) = &mut self.default_vfs { + return vfs.current_time(arg2); + } + 0 } fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { - self.default_vfs.get_last_error(arg2, arg3) + if let Some(vfs) = &mut self.default_vfs { + vfs.get_last_error(arg2, arg3); + } + Ok(()) } fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { - self.default_vfs.current_time_int64(arg2) + if let Some(vfs) = &mut self.default_vfs { + return vfs.current_time_int64(arg2); + } + 0 } // fn set_system_call(&mut self, z_name: *const c_char, arg2: sqlite3_syscall_ptr) -> i32 { @@ -191,11 +224,11 @@ impl SqliteIoMethods for MemFile { } fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_OK) // or SQLITE_LOCK_BUSY + Ok(SQLITE_LOCK_EXCLUSIVE) // or SQLITE_LOCK_BUSY } fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_OK) + Ok(SQLITE_LOCK_SHARED) } fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { @@ -215,6 +248,7 @@ impl SqliteIoMethods for MemFile { let settings = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | + SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN | SQLITE_IOCAP_SEQUENTIAL; Ok(settings) } @@ -256,19 +290,21 @@ fn print_uri(context: *mut sqlite3_context, _: &[*mut sqlite3_value]) -> sqlite_ Ok(()) } -#[sqlite_entrypoint_permanent] +#[sqlite_entrypoint] pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { let name = CString::new(EXTENSION_NAME).expect("should be a valid utf-8 string"); let mem_vfs = MemVfs { default_vfs: unsafe { // pass thru - DefaultVfs::from_ptr(sqlite3ext_vfs_find(ptr::null())) + // Some(ShimVfs::from_ptr(sqlite3ext_vfs_find(ptr::null()))) + None }, name }; let name_ptr = mem_vfs.name.as_ptr(); - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, 0); + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, std::mem::size_of::() as i32); + register_boxed_vfs(vfs, true)?; let flags = FunctionFlags::UTF8 | FunctionFlags::DETERMINISTIC; diff --git a/src/ext.rs b/src/ext.rs index 6e52874..7fe582a 100644 --- a/src/ext.rs +++ b/src/ext.rs @@ -22,7 +22,8 @@ pub use libsqlite3_sys::{ sqlite3_index_constraint_usage as sqlite3_index_info_sqlite3_index_constraint_usage, sqlite3_index_info, sqlite3_index_orderby as sqlite3_index_info_sqlite3_index_orderby, sqlite3_module, sqlite3_stmt, sqlite3_value, sqlite3_vtab, sqlite3_vtab_cursor, - sqlite3_database_file_object + sqlite3_database_file_object, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, + sqlite3_vfs, sqlite3_file_control, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, }; #[cfg(not(feature = "static"))] @@ -30,7 +31,8 @@ pub use sqlite3ext_sys::{ sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_index_info, sqlite3_file, sqlite3_index_info_sqlite3_index_constraint, sqlite3_index_info_sqlite3_index_constraint_usage, sqlite3_index_info_sqlite3_index_orderby, sqlite3_module, sqlite3_stmt, sqlite3_value, - sqlite3_vtab, sqlite3_vtab_cursor, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, sqlite3_vfs, sqlite3_file_control + sqlite3_vtab, sqlite3_vtab_cursor, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, + sqlite3_vfs, sqlite3_file_control, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, }; /// If creating a dynmically loadable extension, this MUST be redefined to point @@ -675,7 +677,7 @@ pub unsafe fn sqlite3ext_auto_extension(f: unsafe extern "C" fn()) -> i32 { } #[cfg(feature = "static")] -pub unsafe fn sqlite3ext_database_file_object(s: *const c_char) -> i32 { +pub unsafe fn sqlite3ext_database_file_object(s: *const c_char) -> *mut sqlite3_file { libsqlite3_sys::sqlite3_database_file_object(s) } #[cfg(not(feature = "static"))] diff --git a/src/lib.rs b/src/lib.rs index e915a07..0b020c0 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -32,5 +32,4 @@ pub use table::{ #[doc(inline)] pub use vfs::vfs::register_boxed_vfs; -pub use vfs::file::create_file_pointer; pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 0f5ad1d..d2e5cff 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,12 +1,15 @@ #![allow(non_snake_case)] #![allow(unused)] -use sqlite3ext_sys::{ - sqlite3_file, sqlite3_int64, sqlite3_io_methods, SQLITE_IOERR_CLOSE, SQLITE_IOERR_FSTAT, +use crate::ext::{ + sqlite3_file, sqlite3_int64, sqlite3_io_methods +}; + +use sqlite3ext_sys::{SQLITE_IOERR_CLOSE, SQLITE_IOERR_FSTAT, SQLITE_IOERR_FSYNC, SQLITE_IOERR_LOCK, SQLITE_IOERR_MMAP, SQLITE_IOERR_READ, SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP, SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, - SQLITE_IOERR_WRITE, -}; + SQLITE_IOERR_WRITE}; + use std::os::raw::{c_int, c_void}; use crate::vfs::traits::SqliteIoMethods; @@ -15,19 +18,13 @@ use std::io::{Error, ErrorKind, Result}; use super::vfs::handle_int; -/// Let aux and methods Boxes go out of scope, thus drop, +// TODO keep a pointer of f and m, then +// This should just close the file, and not do gc unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.close(file); - // disabling reduces leak to 16B, also fixes free-ing invalid pointer, on rusql, sqlite3 just crashes - // Box::into_raw(m); - - // disabling crashes valgrind, reason: stack smashing, and free invalid pointer - // otherwise 8 bytes leak - Box::into_raw(f); - - // Disabling both fails the unit tests, free(): invalid pointer + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.close(file); + Box::from_raw(f); // drop // TODO check double free handle_error(result, Some(SQLITE_IOERR_CLOSE)) } @@ -37,11 +34,9 @@ unsafe extern "C" fn x_read( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.read(file, buf, iAmt, iOfst); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.read(file, buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_READ)) } @@ -51,11 +46,9 @@ unsafe extern "C" fn x_write( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.write(file, buf, iAmt, iOfst); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.write(file, buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_WRITE)) } @@ -63,20 +56,16 @@ unsafe extern "C" fn x_truncate( file: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.truncate(file, size); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.truncate(file, size); handle_error(result, Some(SQLITE_IOERR_TRUNCATE)) } unsafe extern "C" fn x_sync(file: *mut sqlite3_file, flags: c_int) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.sync(file, flags); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.sync(file, flags); handle_error(result, Some(SQLITE_IOERR_FSYNC)) } @@ -84,29 +73,23 @@ unsafe extern "C" fn x_file_size( file: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.file_size(file, pSize); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.file_size(file, pSize); handle_error(result, Some(SQLITE_IOERR_FSTAT)) } unsafe extern "C" fn x_lock(file: *mut sqlite3_file, arg2: c_int) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.lock(file, arg2); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.lock(file, arg2); handle_int(result, Some(SQLITE_IOERR_LOCK)) } unsafe extern "C" fn x_unlock(file: *mut sqlite3_file, arg2: c_int) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.unlock(file, arg2); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.unlock(file, arg2); handle_int(result, Some(SQLITE_IOERR_UNLOCK)) } @@ -114,11 +97,9 @@ unsafe extern "C" fn x_check_reserved_lock( file: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.check_reserved_lock(file, pResOut); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.check_reserved_lock(file, pResOut); handle_error(result, None) } @@ -127,31 +108,25 @@ unsafe extern "C" fn x_file_control( op: c_int, pArg: *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.file_control(file, op, pArg); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.file_control(file, op, pArg); handle_error(result, None) } unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.sector_size(file); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.sector_size(file); handle_int(result, None) } unsafe extern "C" fn x_device_characteristics( file: *mut sqlite3_file, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.device_characteristics(file); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.device_characteristics(file); handle_int(result, None) } @@ -162,11 +137,9 @@ unsafe extern "C" fn x_shm_map( arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.shm_map(file, iPg, pgsz, arg2, arg3); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.shm_map(file, iPg, pgsz, arg2, arg3); handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } @@ -176,34 +149,25 @@ unsafe extern "C" fn x_shm_lock( n: c_int, flags: c_int, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - let result = m.aux.shm_lock(file, offset, n, flags); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.shm_lock(file, offset, n, flags); handle_error(result, Some(SQLITE_IOERR_SHMLOCK)) } unsafe extern "C" fn x_shm_barrier(file: *mut sqlite3_file) { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - - m.aux.shm_barrier(file); - - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.shm_barrier(file); } unsafe extern "C" fn x_shm_unmap( file: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - - let result = m.aux.shm_unmap(file, deleteFlag); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.shm_unmap(file, deleteFlag); handle_error(result, None) } @@ -213,12 +177,9 @@ unsafe extern "C" fn x_fetch( iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - - let result = m.aux.fetch(file, iOfst, iAmt, pp); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.fetch(file, iOfst, iAmt, pp); handle_error(result, Some(SQLITE_IOERR_MMAP)) } @@ -227,57 +188,12 @@ unsafe extern "C" fn x_unfetch( iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut f = Box::>::from_raw(file.cast::>()); - let mut m = Box::>::from_raw(f.0.cast_mut()); - - let result = m.aux.unfetch(file, iOfst, p); - Box::into_raw(f); - Box::into_raw(m); + let mut f = (*file).pMethods.cast::>().cast_mut(); + let mut m = &mut (*f).aux; + let result = m.unfetch(file, iOfst, p); handle_error(result, Some(SQLITE_IOERR_MMAP)) } -// C struct polymorphism, given the alignment and field sequence are the same -#[repr(C)] -pub struct FileWithAux(*const MethodsWithAux); - -unsafe fn create_io_methods(aux: T) -> MethodsWithAux { - MethodsWithAux { - iVersion: 3, // this library targets version 3? - xClose: Some(x_close::), - xRead: Some(x_read::), - xWrite: Some(x_write::), - xTruncate: Some(x_truncate::), - xSync: Some(x_sync::), - xFileSize: Some(x_file_size::), - xLock: Some(x_lock::), - xUnlock: Some(x_unlock::), - xCheckReservedLock: Some(x_check_reserved_lock::), - xFileControl: Some(x_file_control::), - xSectorSize: Some(x_sector_size::), - xDeviceCharacteristics: Some(x_device_characteristics::), - xShmMap: Some(x_shm_map::), - xShmLock: Some(x_shm_lock::), - xShmBarrier: Some(x_shm_barrier::), - xShmUnmap: Some(x_shm_unmap::), - xFetch: Some(x_fetch::), - xUnfetch: Some(x_unfetch::), - aux, - } -} - -pub fn create_file_pointer(actual_methods: T) -> *mut sqlite3_file { - unsafe { - let methods = create_io_methods::(actual_methods); - let methods_ptr = Box::into_raw(Box::new(methods)); - - let p = FileWithAux::(methods_ptr); - - // TODO determine false positive: Valgrind reports mismatch malloc/free? 16B - // VALGRINDFLAGS="--leak-check=full --trace-children=yes --verbose --log-file=leaky.txt" cargo valgrind test - Box::into_raw(Box::new(p)).cast() - } -} - #[repr(C)] #[derive(Debug, Copy, Clone)] pub struct MethodsWithAux { @@ -347,7 +263,6 @@ pub struct MethodsWithAux { pub xDeviceCharacteristics: ::std::option::Option< unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, >, - // shm = shared memory pub xShmMap: ::std::option::Option< unsafe extern "C" fn( file: *mut sqlite3_file, @@ -389,3 +304,32 @@ pub struct MethodsWithAux { >, pub aux: T, } + +pub fn create_io_methods_ptr(aux: T) -> *const sqlite3_io_methods { + let m = MethodsWithAux { + iVersion: 3, // this library targets version 3? + xClose: Some(x_close::), + xRead: Some(x_read::), + xWrite: Some(x_write::), + xTruncate: Some(x_truncate::), + xSync: Some(x_sync::), + xFileSize: Some(x_file_size::), + xLock: Some(x_lock::), + xUnlock: Some(x_unlock::), + xCheckReservedLock: Some(x_check_reserved_lock::), + xFileControl: Some(x_file_control::), + xSectorSize: Some(x_sector_size::), + xDeviceCharacteristics: Some(x_device_characteristics::), + xShmMap: Some(x_shm_map::), + xShmLock: Some(x_shm_lock::), + xShmBarrier: Some(x_shm_barrier::), + xShmUnmap: Some(x_shm_unmap::), + xFetch: Some(x_fetch::), + xUnfetch: Some(x_unfetch::), + aux + }; + Box::into_raw(Box::new(m)).cast() +} + +// TODO determine false positive: Valgrind reports mismatch malloc/free? 16B +// VALGRINDFLAGS="--leak-check=full --trace-children=yes --verbose --log-file=leaky.txt" cargo valgrind test \ No newline at end of file diff --git a/src/vfs/mod.rs b/src/vfs/mod.rs index 42b854c..7eb9294 100644 --- a/src/vfs/mod.rs +++ b/src/vfs/mod.rs @@ -1,4 +1,4 @@ -pub mod default; +pub mod shim; pub mod file; pub mod traits; pub mod vfs; diff --git a/src/vfs/default.rs b/src/vfs/shim.rs similarity index 98% rename from src/vfs/default.rs rename to src/vfs/shim.rs index 2339eaa..fbfe84b 100644 --- a/src/vfs/default.rs +++ b/src/vfs/shim.rs @@ -12,22 +12,26 @@ use std::{ ptr, }; +use crate::ext::{ + sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs, + sqlite3_vfs_find, sqlite3_io_methods, +}; + use sqlite3ext_sys::{ - sqlite3_file, sqlite3_int64, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, - sqlite3_vfs_find, SQLITE_ERROR, SQLITE_LOCK_NONE, SQLITE_OK, + SQLITE_ERROR, SQLITE_LOCK_NONE, SQLITE_OK }; -pub struct DefaultVfs { +pub struct ShimVfs { default_vfs: *mut sqlite3_vfs, } -impl DefaultVfs { +impl ShimVfs { pub fn from_ptr(vfs: *mut sqlite3_vfs) -> Self { - DefaultVfs { default_vfs: vfs } + ShimVfs { default_vfs: vfs } } } -impl SqliteVfs for DefaultVfs { +impl SqliteVfs for ShimVfs { fn open( &mut self, z_name: *const c_char, @@ -247,12 +251,12 @@ impl SqliteVfs for DefaultVfs { } /// See ORIGFILE https://www.sqlite.org/src/file?name=ext/misc/cksumvfs.c -pub struct DefaultFile { +pub struct ShimFile { methods_ptr: *mut sqlite3_io_methods, file_ptr: *mut sqlite3_file, } -impl DefaultFile { +impl ShimFile { pub fn from_ptr(file_ptr: *mut sqlite3_file) -> Self { if file_ptr.is_null() { return Self { @@ -267,7 +271,7 @@ impl DefaultFile { } } -impl SqliteIoMethods for DefaultFile { +impl SqliteIoMethods for ShimFile { fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { unsafe { if let Some(xClose) = ((*self.methods_ptr).xClose) { diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 6246699..9d10055 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -2,7 +2,7 @@ use std::io::Result; use std::os::raw::{c_char, c_int, c_void}; -use sqlite3ext_sys::sqlite3_file; +use crate::ext::sqlite3_file; #[cfg(feature = "vfs_loadext")] use sqlite3ext_sys::sqlite3_vfs; diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index d76df71..80f2b78 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,10 +1,14 @@ #![allow(non_snake_case)] #![allow(unused)] +use crate::ext::{ + sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs, +}; + use sqlite3ext_sys::{ - sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs, SQLITE_CANTOPEN_FULLPATH, - SQLITE_ERROR, SQLITE_IOERR_ACCESS, SQLITE_IOERR_DELETE, SQLITE_OK, + SQLITE_CANTOPEN_FULLPATH, SQLITE_ERROR, SQLITE_IOERR_ACCESS, SQLITE_IOERR_DELETE, SQLITE_OK, SQLITE_CANTOPEN }; + use std::ffi::{CStr, CString}; use std::os::raw::{c_char, c_int, c_void}; use std::ptr; @@ -61,7 +65,7 @@ unsafe extern "C" fn x_open( Box::into_raw(b); Box::into_raw(vfs); - handle_error(result, None /* SQLITE_IOERR_OPEN */) + handle_error(result, Some(SQLITE_CANTOPEN)) } unsafe extern "C" fn x_delete( @@ -370,7 +374,9 @@ fn handle_vfs_result(result: i32) -> crate::Result<()> { pub fn register_boxed_vfs(vfs: sqlite3_vfs, make_default: bool) -> crate::Result<()> { let translate_to_int = if make_default { 1 } else { 0 }; - let result = unsafe { sqlite3ext_vfs_register(Box::into_raw(Box::new(vfs)), translate_to_int) }; + let boxed_vfs = Box::into_raw(Box::new(vfs)); + + let result = unsafe { sqlite3ext_vfs_register(boxed_vfs, translate_to_int) }; handle_vfs_result(result) } diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index 3508867..ac19f37 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -6,30 +6,55 @@ include!("../include/mem_vfs.in.rs"); mod tests { use super::*; - use rusqlite::{ffi::sqlite3_auto_extension, Connection, OpenFlags}; + use rusqlite::{ffi::sqlite3_auto_extension, Connection, OpenFlags, Result}; #[test] - fn test_rusqlite_auto_extension() { + fn test_rusqlite_auto_extension() -> Result<()> { unsafe { sqlite3_auto_extension(Some(std::mem::transmute(sqlite3_memvfs_init as *const ()))); } - let flags = OpenFlags::SQLITE_OPEN_URI | OpenFlags::SQLITE_OPEN_READ_WRITE; + // let conn = Connection::open_in_memory()?; + // conn.execute("ATTACH DATABASE mem_vfs_uri() AS inmem;", ()); + + // open in memory first to run faux_sqlite_extension_init2, + // to register the new vfs, in the auto extension callback + // in the following open_with_flags_and_vfs connection + // this workaround would be unnecessary if a Option would + // be passed down to the callback function besides the sqlite3 ptr + // also large parts of ext.rs would be unnecessary + // if the end user could decide whether to use rusqlite or libsqlite3 + // by placing a conditional cfg there instead + // in any case, this should be documented properly -- TODO + let _conn = Connection::open_in_memory()?; + + _conn.close(); + + let conn = Connection::open_with_flags_and_vfs( + "db/not_really_opened.db", + OpenFlags::SQLITE_OPEN_READ_WRITE + | OpenFlags::SQLITE_OPEN_CREATE, + // | OpenFlags::SQLITE_OPEN_MEMORY, // skips File creation altogether + // | OpenFlags::SQLITE_OPEN_EXCLUSIVE, // it is a no-op, used internally + EXTENSION_NAME, + )?; + + conn.execute_batch(r#" + PRAGMA locking_mode = EXCLUSIVE; + PRAGMA journal_mode = TRUNCATE;"#)?; + + conn.execute("CREATE TABLE t3(x, y)", ())?; - let conn = Connection::open_in_memory_with_flags(flags).unwrap(); - - conn.execute("ATTACH DATABASE mem_vfs_uri() AS inmem;", ()); - - conn.execute("CREATE TABLE t3(x, y)", ()); conn.execute( "INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", (), - ); + )?; let result: String = conn - .query_row("select x from t3 where y = 4", (), |x| x.get(0)) - .unwrap(); + .query_row("SELECT x FROM t3 WHERE y = 4", (), |x| x.get(0))?; assert_eq!(result, "a"); + + Ok(()) } } From dffd4989a2a58ab4d59c2602a11beb75006af2f2 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sun, 19 Nov 2023 04:56:51 +0100 Subject: [PATCH 106/142] fixed locking, then other delete issue --- include/mem_vfs.in.rs | 48 +++----- src/vfs/file.rs | 250 ++++++++++++------------------------------ src/vfs/mod.rs | 2 +- src/vfs/shim.rs | 8 +- src/vfs/traits.rs | 8 +- src/vfs/vfs.rs | 7 +- tests/test_mem_vfs.rs | 51 ++++++--- 7 files changed, 131 insertions(+), 243 deletions(-) diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index ceeff8c..041fdf5 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -1,20 +1,18 @@ use sqlite_loadable::ext::{sqlite3ext_vfs_find, sqlite3ext_context_db_handle, sqlite3ext_file_control}; use sqlite_loadable::vfs::shim::ShimVfs; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::vfs::file::create_io_methods_ptr; +use sqlite_loadable::vfs::file::{FileWithAux, prepare_file_ptr}; use sqlite_loadable::{prelude::*, SqliteIoMethods, register_boxed_vfs, define_scalar_function, api, vfs::traits::SqliteVfs}; use std::ffi::{CString, CStr}; -use std::fs::{File, self}; use std::io::{Write, Read, self}; use std::os::raw::{c_void, c_char}; use std::{ptr, mem}; use sqlite_loadable::ext::{sqlite3_syscall_ptr, sqlite3_file, sqlite3_vfs, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_IOERR_SHMMAP, SQLITE_IOERR_SHMLOCK, - SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOERR_DELETE, - SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN, +use sqlite3ext_sys::{ + SQLITE_CANTOPEN, SQLITE_OPEN_MAIN_DB, SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, SQLITE_LOCK_EXCLUSIVE, SQLITE_LOCK_SHARED, SQLITE_OK}; use std::io::{Error, Result, ErrorKind}; @@ -36,10 +34,10 @@ struct MemVfs { const EXTENSION_NAME: &str = "memvfs"; fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { - let metadata = fs::metadata(path)?; + let metadata = std::fs::metadata(path)?; let file_size = metadata.len() as usize; - let mut file = File::open(path)?; + let mut file = std::fs::File::open(path)?; file.read_to_end(dest)?; @@ -49,34 +47,22 @@ fn write_file_to_vec_u8(path: &str, dest: &mut Vec) -> Result<()> { impl SqliteVfs for MemVfs { fn open(&mut self, z_name: *const c_char, p_file: *mut sqlite3_file, flags: i32, p_res_out: *mut i32) -> Result<()> { let mut mem_file = MemFile { - file_contents: vec![ - 0x53, 0x51, 0x4c, 0x69, 0x74, 0x65, 0x20, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x20, 0x33, 0x00, - 0x10, 0x00, 0x01, 0x01, 0x00, 0x40, 0x20, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, - 0x00, 0x2e, 0x63, 0x01 - ], + file_contents: vec![], }; - /* - let mut j: u32 = 0; - for i in &mem_file.file_contents { - println!("{}:\t{}\t{}", j, i, *i as char); - j = j + 1; - } - */ - unsafe { - (*p_file).pMethods = create_io_methods_ptr(mem_file); + let file_name_cstr = CStr::from_ptr(z_name); + let file_name = file_name_cstr.to_str() + .map_err(|_| Error::new(ErrorKind::Other, "conversion to string failed"))?; + write_file_to_vec_u8(file_name, &mut mem_file.file_contents); + prepare_file_ptr(p_file, mem_file); } Ok(()) } fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { - Err(Error::new(ErrorKind::Other, "Unable to delete in memory mode")) + Ok(()) } fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { @@ -185,7 +171,7 @@ impl SqliteIoMethods for MemFile { source.extend(vec![0; new_len - prev_len]); } - let src_ptr = source[offset..(size-1)].as_ptr(); + let src_ptr = source[offset..(offset + size-1)].as_ptr(); unsafe { ptr::copy_nonoverlapping(src_ptr, buf.cast(), size) } Ok(()) @@ -224,11 +210,11 @@ impl SqliteIoMethods for MemFile { } fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_LOCK_EXCLUSIVE) // or SQLITE_LOCK_BUSY + Ok(0) // or SQLITE_LOCK_BUSY } fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { - Ok(SQLITE_LOCK_SHARED) + Ok(0) } fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { @@ -248,7 +234,7 @@ impl SqliteIoMethods for MemFile { let settings = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | - SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN | + // SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN | SQLITE_IOCAP_SEQUENTIAL; Ok(settings) } @@ -303,7 +289,7 @@ pub fn sqlite3_memvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { }; let name_ptr = mem_vfs.name.as_ptr(); - let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, std::mem::size_of::() as i32); + let vfs: sqlite3_vfs = create_vfs(mem_vfs, name_ptr, 1024, std::mem::size_of::>() as i32); register_boxed_vfs(vfs, true)?; diff --git a/src/vfs/file.rs b/src/vfs/file.rs index d2e5cff..0ef86e2 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -1,16 +1,18 @@ #![allow(non_snake_case)] #![allow(unused)] -use crate::ext::{ - sqlite3_file, sqlite3_int64, sqlite3_io_methods -}; +use crate::ext::{sqlite3_file, sqlite3_int64, sqlite3_io_methods}; -use sqlite3ext_sys::{SQLITE_IOERR_CLOSE, SQLITE_IOERR_FSTAT, - SQLITE_IOERR_FSYNC, SQLITE_IOERR_LOCK, SQLITE_IOERR_MMAP, SQLITE_IOERR_READ, - SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP, SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, - SQLITE_IOERR_WRITE}; +use sqlite3ext_sys::{ + SQLITE_IOERR_CLOSE, SQLITE_IOERR_FSTAT, SQLITE_IOERR_FSYNC, SQLITE_IOERR_LOCK, + SQLITE_IOERR_MMAP, SQLITE_IOERR_READ, SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP, + SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_WRITE, +}; -use std::os::raw::{c_int, c_void}; +use std::{ + mem::MaybeUninit, + os::raw::{c_int, c_void}, +}; use crate::vfs::traits::SqliteIoMethods; use crate::vfs::vfs::handle_error; @@ -18,13 +20,11 @@ use std::io::{Error, ErrorKind, Result}; use super::vfs::handle_int; -// TODO keep a pointer of f and m, then +// TODO keep a pointer of f and m, then // This should just close the file, and not do gc unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.close(file); - Box::from_raw(f); // drop // TODO check double free + let mut f = file.cast::>(); + let result = (*f).aux.close(file); handle_error(result, Some(SQLITE_IOERR_CLOSE)) } @@ -34,9 +34,8 @@ unsafe extern "C" fn x_read( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.read(file, buf, iAmt, iOfst); + let mut f = file.cast::>(); + let result = (*f).aux.read(file, buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_READ)) } @@ -46,9 +45,8 @@ unsafe extern "C" fn x_write( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.write(file, buf, iAmt, iOfst); + let mut f = file.cast::>(); + let result = (*f).aux.write(file, buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_WRITE)) } @@ -56,16 +54,14 @@ unsafe extern "C" fn x_truncate( file: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.truncate(file, size); + let mut f = file.cast::>(); + let result = (*f).aux.truncate(file, size); handle_error(result, Some(SQLITE_IOERR_TRUNCATE)) } unsafe extern "C" fn x_sync(file: *mut sqlite3_file, flags: c_int) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.sync(file, flags); + let mut f = file.cast::>(); + let result = (*f).aux.sync(file, flags); handle_error(result, Some(SQLITE_IOERR_FSYNC)) } @@ -73,23 +69,20 @@ unsafe extern "C" fn x_file_size( file: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.file_size(file, pSize); + let mut f = file.cast::>(); + let result = (*f).aux.file_size(file, pSize); handle_error(result, Some(SQLITE_IOERR_FSTAT)) } unsafe extern "C" fn x_lock(file: *mut sqlite3_file, arg2: c_int) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.lock(file, arg2); + let mut f = file.cast::>(); + let result = (*f).aux.lock(file, arg2); handle_int(result, Some(SQLITE_IOERR_LOCK)) } unsafe extern "C" fn x_unlock(file: *mut sqlite3_file, arg2: c_int) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.unlock(file, arg2); + let mut f = file.cast::>(); + let result = (*f).aux.unlock(file, arg2); handle_int(result, Some(SQLITE_IOERR_UNLOCK)) } @@ -97,9 +90,8 @@ unsafe extern "C" fn x_check_reserved_lock( file: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.check_reserved_lock(file, pResOut); + let mut f = file.cast::>(); + let result = (*f).aux.check_reserved_lock(file, pResOut); handle_error(result, None) } @@ -108,25 +100,22 @@ unsafe extern "C" fn x_file_control( op: c_int, pArg: *mut c_void, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.file_control(file, op, pArg); + let mut f = file.cast::>(); + let result = (*f).aux.file_control(file, op, pArg); handle_error(result, None) } unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.sector_size(file); + let mut f = file.cast::>(); + let result = (*f).aux.sector_size(file); handle_int(result, None) } unsafe extern "C" fn x_device_characteristics( file: *mut sqlite3_file, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.device_characteristics(file); + let mut f = file.cast::>(); + let result = (*f).aux.device_characteristics(file); handle_int(result, None) } @@ -137,9 +126,8 @@ unsafe extern "C" fn x_shm_map( arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.shm_map(file, iPg, pgsz, arg2, arg3); + let mut f = file.cast::>(); + let result = (*f).aux.shm_map(file, iPg, pgsz, arg2, arg3); handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } @@ -149,26 +137,23 @@ unsafe extern "C" fn x_shm_lock( n: c_int, flags: c_int, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.shm_lock(file, offset, n, flags); + let mut f = file.cast::>(); + let result = (*f).aux.shm_lock(file, offset, n, flags); handle_error(result, Some(SQLITE_IOERR_SHMLOCK)) } unsafe extern "C" fn x_shm_barrier(file: *mut sqlite3_file) { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.shm_barrier(file); + let mut f = file.cast::>(); + let result = (*f).aux.shm_barrier(file); } unsafe extern "C" fn x_shm_unmap( file: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.shm_unmap(file, deleteFlag); - handle_error(result, None) + let mut f = file.cast::>(); + let result = (*f).aux.shm_unmap(file, deleteFlag); + handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } unsafe extern "C" fn x_fetch( @@ -177,10 +162,9 @@ unsafe extern "C" fn x_fetch( iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.fetch(file, iOfst, iAmt, pp); - handle_error(result, Some(SQLITE_IOERR_MMAP)) + let mut f = file.cast::>(); + let result = (*f).aux.fetch(file, iOfst, iAmt, pp); + handle_error(result, None) } unsafe extern "C" fn x_unfetch( @@ -188,125 +172,32 @@ unsafe extern "C" fn x_unfetch( iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut f = (*file).pMethods.cast::>().cast_mut(); - let mut m = &mut (*f).aux; - let result = m.unfetch(file, iOfst, p); - handle_error(result, Some(SQLITE_IOERR_MMAP)) + let mut f = file.cast::>(); + let result = (*f).aux.unfetch(file, iOfst, p); + handle_error(result, None) } #[repr(C)] -#[derive(Debug, Copy, Clone)] -pub struct MethodsWithAux { - pub iVersion: ::std::os::raw::c_int, - pub xClose: ::std::option::Option< - unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, - >, - pub xRead: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - arg2: *mut ::std::os::raw::c_void, - iAmt: ::std::os::raw::c_int, - iOfst: sqlite3_int64, - ) -> ::std::os::raw::c_int, - >, - pub xWrite: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - arg2: *const ::std::os::raw::c_void, - iAmt: ::std::os::raw::c_int, - iOfst: sqlite3_int64, - ) -> ::std::os::raw::c_int, - >, - pub xTruncate: ::std::option::Option< - unsafe extern "C" fn(file: *mut sqlite3_file, size: sqlite3_int64) -> ::std::os::raw::c_int, - >, - pub xSync: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - flags: ::std::os::raw::c_int, - ) -> ::std::os::raw::c_int, - >, - pub xFileSize: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - pSize: *mut sqlite3_int64, - ) -> ::std::os::raw::c_int, - >, - pub xLock: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - arg2: ::std::os::raw::c_int, - ) -> ::std::os::raw::c_int, - >, - pub xUnlock: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - arg2: ::std::os::raw::c_int, - ) -> ::std::os::raw::c_int, - >, - pub xCheckReservedLock: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - pResOut: *mut ::std::os::raw::c_int, - ) -> ::std::os::raw::c_int, - >, - pub xFileControl: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - op: ::std::os::raw::c_int, - pArg: *mut ::std::os::raw::c_void, - ) -> ::std::os::raw::c_int, - >, - pub xSectorSize: ::std::option::Option< - unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, - >, - pub xDeviceCharacteristics: ::std::option::Option< - unsafe extern "C" fn(file: *mut sqlite3_file) -> ::std::os::raw::c_int, - >, - pub xShmMap: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - iPg: ::std::os::raw::c_int, - pgsz: ::std::os::raw::c_int, - arg2: ::std::os::raw::c_int, - arg3: *mut *mut ::std::os::raw::c_void, - ) -> ::std::os::raw::c_int, - >, - pub xShmLock: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - offset: ::std::os::raw::c_int, - n: ::std::os::raw::c_int, - flags: ::std::os::raw::c_int, - ) -> ::std::os::raw::c_int, - >, - pub xShmBarrier: ::std::option::Option, - pub xShmUnmap: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - deleteFlag: ::std::os::raw::c_int, - ) -> ::std::os::raw::c_int, - >, - pub xFetch: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - iOfst: sqlite3_int64, - iAmt: ::std::os::raw::c_int, - pp: *mut *mut ::std::os::raw::c_void, - ) -> ::std::os::raw::c_int, - >, - pub xUnfetch: ::std::option::Option< - unsafe extern "C" fn( - file: *mut sqlite3_file, - iOfst: sqlite3_int64, - p: *mut ::std::os::raw::c_void, - ) -> ::std::os::raw::c_int, - >, - pub aux: T, +pub struct FileWithAux { + pMethods: Box, + aux: T, +} + +/// See sqlite3OsOpenMalloc and sqlite3OsCloseFree dependency on szOsFile on sqlite3_vfs, +/// this implies that ownership of sqlite3_file and any "sub-type", is with sqlite3 +pub unsafe fn prepare_file_ptr( + file_ptr: *mut sqlite3_file, + aux: T, +) -> *const sqlite3_file { + let mut f = file_ptr.cast::>(); + std::mem::replace(&mut (*f).pMethods, create_io_methods_boxed::()); + std::mem::replace(&mut (*f).aux, aux); + + file_ptr // in case other fields have to be modified } -pub fn create_io_methods_ptr(aux: T) -> *const sqlite3_io_methods { - let m = MethodsWithAux { +fn create_io_methods_boxed() -> Box { + let m = sqlite3_io_methods { iVersion: 3, // this library targets version 3? xClose: Some(x_close::), xRead: Some(x_read::), @@ -326,10 +217,9 @@ pub fn create_io_methods_ptr(aux: T) -> *const sqlite3_io_me xShmUnmap: Some(x_shm_unmap::), xFetch: Some(x_fetch::), xUnfetch: Some(x_unfetch::), - aux }; - Box::into_raw(Box::new(m)).cast() + Box::new(m) } // TODO determine false positive: Valgrind reports mismatch malloc/free? 16B -// VALGRINDFLAGS="--leak-check=full --trace-children=yes --verbose --log-file=leaky.txt" cargo valgrind test \ No newline at end of file +// VALGRINDFLAGS="--leak-check=full --trace-children=yes --verbose --log-file=leaky.txt" cargo valgrind test diff --git a/src/vfs/mod.rs b/src/vfs/mod.rs index 7eb9294..c269fbc 100644 --- a/src/vfs/mod.rs +++ b/src/vfs/mod.rs @@ -1,4 +1,4 @@ -pub mod shim; pub mod file; +pub mod shim; pub mod traits; pub mod vfs; diff --git a/src/vfs/shim.rs b/src/vfs/shim.rs index fbfe84b..b11b3ae 100644 --- a/src/vfs/shim.rs +++ b/src/vfs/shim.rs @@ -13,13 +13,11 @@ use std::{ }; use crate::ext::{ - sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs, - sqlite3_vfs_find, sqlite3_io_methods, + sqlite3_file, sqlite3_int64, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, + sqlite3_vfs_find, }; -use sqlite3ext_sys::{ - SQLITE_ERROR, SQLITE_LOCK_NONE, SQLITE_OK -}; +use sqlite3ext_sys::{SQLITE_ERROR, SQLITE_LOCK_NONE, SQLITE_OK}; pub struct ShimVfs { default_vfs: *mut sqlite3_vfs, diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 9d10055..faaeb4b 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -32,7 +32,6 @@ pub trait SqliteIoMethods { fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()>; fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()>; - /// Lock the database. Returns whether the requested lock could be acquired. /// Locking sequence: /// - The lock is never moved from [LockKind::None] to anything higher than [LockKind::Shared]. @@ -45,11 +44,8 @@ pub trait SqliteIoMethods { /// Check if the database this handle points to holds a [LockKind::Reserved], /// [LockKind::Pending] or [LockKind::Exclusive] lock. - fn check_reserved_lock( - &mut self, - file: *mut sqlite3_file, - p_res_out: *mut c_int, - ) -> Result<()>; + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut c_int) + -> Result<()>; fn file_control( &mut self, file: *mut sqlite3_file, diff --git a/src/vfs/vfs.rs b/src/vfs/vfs.rs index 80f2b78..f8d139a 100644 --- a/src/vfs/vfs.rs +++ b/src/vfs/vfs.rs @@ -1,12 +1,11 @@ #![allow(non_snake_case)] #![allow(unused)] -use crate::ext::{ - sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs, -}; +use crate::ext::{sqlite3_file, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_vfs}; use sqlite3ext_sys::{ - SQLITE_CANTOPEN_FULLPATH, SQLITE_ERROR, SQLITE_IOERR_ACCESS, SQLITE_IOERR_DELETE, SQLITE_OK, SQLITE_CANTOPEN + SQLITE_CANTOPEN, SQLITE_CANTOPEN_FULLPATH, SQLITE_ERROR, SQLITE_IOERR_ACCESS, + SQLITE_IOERR_DELETE, SQLITE_OK, }; use std::ffi::{CStr, CString}; diff --git a/tests/test_mem_vfs.rs b/tests/test_mem_vfs.rs index ac19f37..4558e15 100644 --- a/tests/test_mem_vfs.rs +++ b/tests/test_mem_vfs.rs @@ -2,6 +2,13 @@ include!("../include/mem_vfs.in.rs"); +#[derive(Debug)] +struct Person { + id: i32, + name: String, + data: Option>, +} + #[cfg(test)] mod tests { use super::*; @@ -31,29 +38,41 @@ mod tests { _conn.close(); let conn = Connection::open_with_flags_and_vfs( - "db/not_really_opened.db", - OpenFlags::SQLITE_OPEN_READ_WRITE - | OpenFlags::SQLITE_OPEN_CREATE, - // | OpenFlags::SQLITE_OPEN_MEMORY, // skips File creation altogether - // | OpenFlags::SQLITE_OPEN_EXCLUSIVE, // it is a no-op, used internally + "db/100-bytes.db", + OpenFlags::SQLITE_OPEN_READ_WRITE | OpenFlags::SQLITE_OPEN_CREATE, EXTENSION_NAME, )?; - conn.execute_batch(r#" - PRAGMA locking_mode = EXCLUSIVE; - PRAGMA journal_mode = TRUNCATE;"#)?; - - conn.execute("CREATE TABLE t3(x, y)", ())?; - conn.execute( - "INSERT INTO t3 VALUES('a', 4),('b', 5),('c', 3),('d', 8),('e', 1)", - (), + "CREATE TABLE person ( + id INTEGER PRIMARY KEY, + name TEXT NOT NULL, + data BLOB + )", + (), // empty list of parameters. + )?; + let me = Person { + id: 0, + name: "Batman".to_string(), + data: None, + }; + conn.execute( + "INSERT INTO person (name, data) VALUES (?1, ?2)", + (&me.name, &me.data), )?; - let result: String = conn - .query_row("SELECT x FROM t3 WHERE y = 4", (), |x| x.get(0))?; + let mut stmt = conn.prepare("SELECT id, name, data FROM person")?; + let person_iter = stmt.query_map([], |row| { + Ok(Person { + id: row.get(0)?, + name: row.get(1)?, + data: row.get(2)?, + }) + })?; - assert_eq!(result, "a"); + for person in person_iter { + println!("Found person {:?}", person.unwrap()); + } Ok(()) } From 46826a355b305e80d0d48e68cee520f9284d578b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sun, 19 Nov 2023 05:03:49 +0100 Subject: [PATCH 107/142] cargo fmt --- benchmarks/vfs/io_uring/examples/test_4.rs | 6 ++--- benchmarks/vfs/io_uring/examples/test_5.rs | 5 ++-- benchmarks/vfs/io_uring/examples/test_7.rs | 5 ++-- benchmarks/vfs/io_uring/include/conn.in.rs | 19 --------------- benchmarks/vfs/io_uring/src/lib.rs | 4 ++-- benchmarks/vfs/io_uring/src/lock/mod.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 26 ++++++++++----------- benchmarks/vfs/io_uring/tests/test_locks.rs | 12 ++++++---- benchmarks/vfs/io_uring/tests/test_vfs.rs | 4 +--- 9 files changed, 33 insertions(+), 50 deletions(-) diff --git a/benchmarks/vfs/io_uring/examples/test_4.rs b/benchmarks/vfs/io_uring/examples/test_4.rs index b977b7b..de91d50 100644 --- a/benchmarks/vfs/io_uring/examples/test_4.rs +++ b/benchmarks/vfs/io_uring/examples/test_4.rs @@ -29,9 +29,9 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 100; let upper_bound = (i + 1) * 1000; - let _ = tx2.prepare("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2")?. - query([lower_bound, upper_bound])?; - + let _ = tx2 + .prepare("SELECT count(*), avg(b) FROM t4 WHERE b >= ?1 AND b < ?2")? + .query([lower_bound, upper_bound])?; } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_5.rs b/benchmarks/vfs/io_uring/examples/test_5.rs index 5d50f6e..6e4aee5 100644 --- a/benchmarks/vfs/io_uring/examples/test_5.rs +++ b/benchmarks/vfs/io_uring/examples/test_5.rs @@ -25,8 +25,9 @@ fn main() -> rusqlite::Result<()> { let tx2 = conn.transaction()?; for i in 0..9 { - let _ = tx2.prepare("SELECT count(*), avg(b) FROM t5 WHERE c LIKE ?1")?. - query([i])?; + let _ = tx2 + .prepare("SELECT count(*), avg(b) FROM t5 WHERE c LIKE ?1")? + .query([i])?; } tx2.commit()?; Ok(()) diff --git a/benchmarks/vfs/io_uring/examples/test_7.rs b/benchmarks/vfs/io_uring/examples/test_7.rs index 92f0aa7..6eb54df 100644 --- a/benchmarks/vfs/io_uring/examples/test_7.rs +++ b/benchmarks/vfs/io_uring/examples/test_7.rs @@ -22,8 +22,9 @@ fn main() -> rusqlite::Result<()> { let lower_bound = i * 100; let upper_bound = (i + 1) + 100; - let _ = conn.prepare("SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2")?. - query([lower_bound, upper_bound])?; + let _ = conn + .prepare("SELECT count(*), avg(b) FROM t7 WHERE b >= ?1 AND b < ?2")? + .query([lower_bound, upper_bound])?; } Ok(()) } diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index e711bd7..9d69a70 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -23,25 +23,6 @@ fn open_io_uring_connection(db: &str) -> rusqlite::Result { EXTENSION_NAME, )?; - // TODO support as rkusa/sqlite_vfs's implementation - /* - conn.execute_batch( - r#" - PRAGMA page_size=32768; - --! PRAGMA journal_mode = TRUNCATE; - --! PRAGMA journal_mode = MEMORY; - "#, - )?; - */ - - // conn.execute_batch( - // r#" - // PRAGMA page_size=32768; - // --! PRAGMA journal_mode = TRUNCATE; - // --! PRAGMA journal_mode = MEMORY; - // "# - // )?; - // let conn = Connection::open_in_memory()?; // let _ = conn.execute("ATTACH DATABASE io_uring_vfs_from_file(?1) as ?2", [db, iouring_db_alias])?; diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 4e79920..14d46e2 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -1,14 +1,14 @@ #![allow(unused)] -pub mod ops; pub mod lock; pub mod open; +pub mod ops; use ops::Ops; use sqlite_loadable::ext::{ + sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, sqlite3ext_context_db_handle, sqlite3ext_database_file_object, sqlite3ext_file_control, sqlite3ext_vfs_find, sqlite3ext_vfs_register, - sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, }; use sqlite_loadable::vfs::default::{DefaultFile, DefaultVfs}; diff --git a/benchmarks/vfs/io_uring/src/lock/mod.rs b/benchmarks/vfs/io_uring/src/lock/mod.rs index b08dcef..a442619 100644 --- a/benchmarks/vfs/io_uring/src/lock/mod.rs +++ b/benchmarks/vfs/io_uring/src/lock/mod.rs @@ -1,5 +1,5 @@ mod kind; mod lock; +pub use self::kind::LockKind; pub use self::lock::Lock; -pub use self::kind::LockKind; \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 59bf332..680a00b 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -15,7 +15,7 @@ use sqlite3ext_sys::{SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP}; use sqlite_loadable::SqliteIoMethods; use std::io::{Error, ErrorKind, Result}; -use sqlite3ext_sys::{SQLITE_LOCK_SHARED, SQLITE_BUSY, SQLITE_OK}; +use sqlite3ext_sys::{SQLITE_BUSY, SQLITE_LOCK_SHARED, SQLITE_OK}; // IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html @@ -116,7 +116,7 @@ impl Ops { ErrorKind::Other, format!("read: raw os error result: {}", -cqe.result() as i32), )) - }else { + } else { Ok(()) } } @@ -137,7 +137,7 @@ impl Ops { ErrorKind::Other, format!("write: raw os error result: {}", -cqe.result() as i32), )) - }else { + } else { Ok(()) } } @@ -271,7 +271,7 @@ impl Ops { fn exclusive_requested_pending_acquired(&mut self, to: LockKind) -> bool { if let Some(lock) = &mut self.lock { lock.lock(to) && lock.current() == to - }else { + } else { false } } @@ -283,16 +283,16 @@ impl Ops { // the fd from the ring, returns: os error 9 let lock = Lock::new(str)?; - self.lock = Some(lock); + self.lock = Some(lock); } Ok(()) } - pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { + pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { self.init_lock()?; LockKind::from_repr(lock_request) .map(|kind| self.exclusive_requested_pending_acquired(kind)) - .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY } ) + .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY }) .ok_or_else(|| Error::new(ErrorKind::Other, "Missing lock")) } @@ -300,7 +300,7 @@ impl Ops { self.init_lock()?; if let Some(lock) = &mut self.lock { Ok(lock.reserved()) - }else { + } else { Err(Error::new(ErrorKind::Other, "Missing lock")) } } @@ -345,13 +345,11 @@ impl SqliteIoMethods for Ops { self.lock_or_unlock(arg2) } - fn check_reserved_lock( - &mut self, - file: *mut sqlite3_file, - p_res_out: *mut i32, - ) -> Result<()> { + fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { let lock_reserved = self.lock_reserved()?; - unsafe { *p_res_out = if lock_reserved { 1 } else { 0 }; } + unsafe { + *p_res_out = if lock_reserved { 1 } else { 0 }; + } Ok(()) } diff --git a/benchmarks/vfs/io_uring/tests/test_locks.rs b/benchmarks/vfs/io_uring/tests/test_locks.rs index 4f2eed3..c5e78ce 100644 --- a/benchmarks/vfs/io_uring/tests/test_locks.rs +++ b/benchmarks/vfs/io_uring/tests/test_locks.rs @@ -2,7 +2,7 @@ mod tests { use std::fs; use std::path::PathBuf; - + use _iouringvfs::lock::*; fn test_file(name: &str) -> PathBuf { @@ -27,7 +27,7 @@ mod tests { let lock = Lock::new(&path).unwrap(); assert_eq!(lock.current(), LockKind::None); } - + #[test] fn test_shared() { let path = test_file(".test_shared"); @@ -85,7 +85,9 @@ mod tests { } #[test] - #[should_panic(expected = "cannot explicitly request pending lock (request explicit lock instead)")] + #[should_panic( + expected = "cannot explicitly request pending lock (request explicit lock instead)" + )] fn test_shared_to_pending_panic() { let path = test_file(".test_shared_to_pending_panic"); let mut lock = Lock::new(&path).unwrap(); @@ -94,7 +96,9 @@ mod tests { } #[test] - #[should_panic(expected = "cannot explicitly request pending lock (request explicit lock instead)")] + #[should_panic( + expected = "cannot explicitly request pending lock (request explicit lock instead)" + )] fn test_reserved_to_pending_panic() { let path = test_file(".test_reserved_to_pending_panic"); let mut lock = Lock::new(&path).unwrap(); diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 6613837..595029d 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -27,12 +27,10 @@ mod tests { (), )?; - let result: String = conn - .query_row("select x from t3 where y = 4", (), |x| x.get(0))?; + let result: String = conn.query_row("select x from t3 where y = 4", (), |x| x.get(0))?; assert_eq!(result, "a"); Ok(()) } } - \ No newline at end of file From 2522867c316795870a8a5269c031efc5f80b9533 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sun, 19 Nov 2023 05:35:15 +0100 Subject: [PATCH 108/142] fixed benchmark iouring vfs compilation issue --- benchmarks/vfs/io_uring/Cargo.toml | 4 ++-- benchmarks/vfs/io_uring/include/conn.in.rs | 13 ++++-------- benchmarks/vfs/io_uring/src/lib.rs | 23 +++++++++++++--------- benchmarks/vfs/io_uring/src/ops.rs | 5 ++--- 4 files changed, 22 insertions(+), 23 deletions(-) diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index 133d339..6195f51 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -12,8 +12,8 @@ log = "0.4" strum = { version = "0.25", features = ["derive"] } [dev-dependencies] -rusqlite = "0.30.0" -libsqlite3-sys = {version="0.27.0", default-features = false} +rusqlite = "0.29.0" +libsqlite3-sys = {version="0.26.0", default-features = false} tempfile = "3.8.0" rand = "0.8.5" diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index 9d69a70..ab780dd 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -1,21 +1,13 @@ use _iouringvfs::sqlite3_iouringvfs_init; use rusqlite::{ffi::sqlite3_auto_extension, Connection}; -pub const iouring_db_alias: &str = "ring"; +pub const IOURING_DB_ALIAS: &str = "ring"; fn open_io_uring_connection(db: &str) -> rusqlite::Result { - // BUG: Somehow to execute the next Connection::open_with_flags_and_vfs statement - // another valid vfs must loaded beforehand therwise, the new vfs cannot be located. - // Reproducible on the following dependencies: - // - rusqlite = "0.29.0" - // - libsqlite3-sys = {version="0.26.0", default-features = false} - - // sqlite3OsRead lost mapped object and crashes use rusqlite::OpenFlags; use _iouringvfs::EXTENSION_NAME; - // let conn = Connection::open_in_memory()?; let conn = Connection::open_with_flags_and_vfs( db, OpenFlags::SQLITE_OPEN_READ_WRITE @@ -40,6 +32,9 @@ fn create_test_database(args: Vec) -> rusqlite::Result { ))); } + let _conn = Connection::open_in_memory()?; + _conn.close().expect("closed wrong"); + let conn = if args.len() == 2 { let file_path = args[1].as_str(); if file_path.contains("ring") { diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 14d46e2..dda9cb0 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -11,13 +11,13 @@ use sqlite_loadable::ext::{ sqlite3ext_vfs_find, sqlite3ext_vfs_register, }; -use sqlite_loadable::vfs::default::{DefaultFile, DefaultVfs}; +use sqlite_loadable::vfs::shim::{ShimFile, ShimVfs}; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::vfs::file::{FileWithAux, MethodsWithAux}; +use sqlite_loadable::vfs::file::{prepare_file_ptr, FileWithAux}; use sqlite_loadable::{ - api, create_file_pointer, define_scalar_function, prelude::*, register_boxed_vfs, - vfs::traits::SqliteVfs, SqliteIoMethods, + api, define_scalar_function, prelude::*, register_boxed_vfs, vfs::traits::SqliteVfs, + SqliteIoMethods, }; use std::ffi::{CStr, CString}; @@ -40,7 +40,7 @@ use std::io::{Error, ErrorKind, Result}; pub const EXTENSION_NAME: &str = "iouring"; struct IoUringVfs { - default_vfs: DefaultVfs, + default_vfs: ShimVfs, vfs_name: CString, } @@ -59,7 +59,7 @@ impl SqliteVfs for IoUringVfs { file.open_file()?; unsafe { - *p_file = *create_file_pointer(file); + prepare_file_ptr(p_file, file); } Ok(()) @@ -172,14 +172,14 @@ fn vfs_from_file( pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); - let shimmed_name = CString::new("unix-dotfile").unwrap(); + let shimmed_name = CString::new("unix").unwrap(); let shimmed_vfs_char = shimmed_name.as_ptr() as *const c_char; let shimmed_vfs = unsafe { sqlite3ext_vfs_find(shimmed_vfs_char) }; let ring_vfs = IoUringVfs { default_vfs: unsafe { // pass thru - DefaultVfs::from_ptr(shimmed_vfs) + ShimVfs::from_ptr(shimmed_vfs) }, vfs_name, }; @@ -188,7 +188,12 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> let name_ptr = ring_vfs.vfs_name.as_ptr(); // vfs_file_size == 0, fixes the stack smash, when Box does the clean up - let vfs: sqlite3_vfs = create_vfs(ring_vfs, name_ptr, 1024, 0); + let vfs: sqlite3_vfs = create_vfs( + ring_vfs, + name_ptr, + 1024, + std::mem::size_of::>() as i32, + ); register_boxed_vfs(vfs, false)?; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 680a00b..40b0263 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -6,7 +6,6 @@ use std::os::unix::ffi::OsStrExt; use std::os::unix::io::{AsRawFd, FromRawFd}; use io_uring::types::Fd; -use sqlite3ext_sys::sqlite3_file; use sqlite3ext_sys::{ SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, @@ -19,8 +18,8 @@ use sqlite3ext_sys::{SQLITE_BUSY, SQLITE_LOCK_SHARED, SQLITE_OK}; // IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html -use sqlite_loadable::ext::sqlite3ext_vfs_find; -use sqlite_loadable::vfs::default::{DefaultFile, DefaultVfs}; +use sqlite_loadable::ext::{sqlite3_file, sqlite3ext_vfs_find}; +use sqlite_loadable::vfs::shim::{ShimFile, ShimVfs}; use std::{mem, ptr}; use io_uring::{opcode, register, types, IoUring}; From e8d22a6d87121c3d9ad7e9d3b51bd83087f879d5 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 28 Nov 2023 00:14:43 +0100 Subject: [PATCH 109/142] simplified VFS File struct the vfs is running, but cannot write --- benchmarks/vfs/io_uring/include/conn.in.rs | 6 +- benchmarks/vfs/io_uring/src/lib.rs | 25 ++++--- benchmarks/vfs/io_uring/src/ops.rs | 78 ++++++++++++++-------- benchmarks/vfs/io_uring/tests/test_ops.rs | 64 ++++++++++-------- benchmarks/vfs/io_uring/tests/test_vfs.rs | 8 ++- memvfs.sql | 19 ------ src/vfs/file.rs | 12 ++-- 7 files changed, 116 insertions(+), 96 deletions(-) delete mode 100644 memvfs.sql diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index ab780dd..26b90e0 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -4,7 +4,6 @@ use rusqlite::{ffi::sqlite3_auto_extension, Connection}; pub const IOURING_DB_ALIAS: &str = "ring"; fn open_io_uring_connection(db: &str) -> rusqlite::Result { - // sqlite3OsRead lost mapped object and crashes use rusqlite::OpenFlags; use _iouringvfs::EXTENSION_NAME; @@ -15,9 +14,6 @@ fn open_io_uring_connection(db: &str) -> rusqlite::Result { EXTENSION_NAME, )?; - // let conn = Connection::open_in_memory()?; - // let _ = conn.execute("ATTACH DATABASE io_uring_vfs_from_file(?1) as ?2", [db, iouring_db_alias])?; - Ok(conn) } @@ -33,7 +29,7 @@ fn create_test_database(args: Vec) -> rusqlite::Result { } let _conn = Connection::open_in_memory()?; - _conn.close().expect("closed wrong"); + _conn.close().expect("error occurred while closing"); let conn = if args.len() == 2 { let file_path = args[1].as_str(); diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index dda9cb0..43a8264 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -3,6 +3,8 @@ pub mod lock; pub mod open; pub mod ops; +use io_uring::IoUring; +use libc::name_t; use ops::Ops; use sqlite_loadable::ext::{ @@ -14,7 +16,7 @@ use sqlite_loadable::ext::{ use sqlite_loadable::vfs::shim::{ShimFile, ShimVfs}; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::vfs::file::{prepare_file_ptr, FileWithAux}; +use sqlite_loadable::vfs::file::{create_io_methods_boxed, FileWithAux}; use sqlite_loadable::{ api, define_scalar_function, prelude::*, register_boxed_vfs, vfs::traits::SqliteVfs, SqliteIoMethods, @@ -24,6 +26,7 @@ use std::ffi::{CStr, CString}; use std::fs::{self, File}; use std::io::{self, Read, Write}; use std::os::raw::{c_char, c_void}; +use std::sync::Arc; use std::{mem, ptr}; // use sqlite3ext_sys::{sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs}; @@ -38,10 +41,12 @@ use std::io::{Error, ErrorKind, Result}; // source: https://www.sqlite.org/speed.html pub const EXTENSION_NAME: &str = "iouring"; +pub const RING_SIZE: u32 = 32; struct IoUringVfs { default_vfs: ShimVfs, vfs_name: CString, + ring: IoUring, } impl SqliteVfs for IoUringVfs { @@ -52,15 +57,17 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let file_path = unsafe { CStr::from_ptr(z_name) }; + let file_path: CString = unsafe { CStr::from_ptr(z_name).into() }; - let mut file = Ops::new(file_path.to_owned(), 32); - - file.open_file()?; + let mut uring_ops = Ops::from_ring(file_path.clone(), &mut self.ring); unsafe { - prepare_file_ptr(p_file, file); - } + let mut f = &mut (*p_file.cast::>()); + std::mem::replace(&mut f.pMethods, create_io_methods_boxed::>()); + std::mem::replace(&mut f.aux, uring_ops); // nope, a field drops + + f.aux.open_file(); + }; Ok(()) } @@ -182,6 +189,7 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> ShimVfs::from_ptr(shimmed_vfs) }, vfs_name, + ring: IoUring::new(RING_SIZE).unwrap(), }; // allocation is bound to lifetime of struct @@ -192,7 +200,8 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> ring_vfs, name_ptr, 1024, - std::mem::size_of::>() as i32, + // Either rust or sqlite3 has ownership and thus manages the memory + std::mem::size_of::>() as i32, // nope, std::mem::replace's move drops IOUring prematurely ); register_boxed_vfs(vfs, false)?; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 40b0263..b6a59c7 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -6,6 +6,7 @@ use std::os::unix::ffi::OsStrExt; use std::os::unix::io::{AsRawFd, FromRawFd}; use io_uring::types::Fd; +use libc::c_char; use sqlite3ext_sys::{ SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, SQLITE_IOCAP_SEQUENTIAL, @@ -36,21 +37,31 @@ const USER_DATA_FALLOCATE: u64 = 0x5; const USER_DATA_CLOSE: u64 = 0x6; const USER_DATA_FSYNC: u64 = 0x7; -pub struct Ops { - ring: IoUring, - file_path: CString, +// Tested on kernels 5.15.49, 6.3.13 +pub struct Ops<'a> { + ring: &'a mut IoUring, + file_path: *mut c_char, file_fd: Option, lock: Option, } -impl Ops { +impl<'a> Ops<'a> { + // Used for tests pub fn new(file_path: CString, ring_size: u32) -> Self { - // Tested on kernels 5.15.49, 6.3.13 - let mut ring = IoUring::new(ring_size).unwrap(); + let mut ring = Box::into_raw(Box::new(IoUring::new(ring_size).unwrap())); + Ops { + ring: unsafe { &mut (*ring) }, + file_path: file_path.clone().into_raw(), + file_fd: None, + lock: None, + } + } + + pub fn from_ring(file_path: CString, ring: &'a mut IoUring) -> Self { Ops { ring, - file_path, + file_path: file_path.clone().into_raw(), file_fd: None, lock: None, } @@ -68,7 +79,7 @@ impl Ops { .flags(flags) .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); - let open_e = opcode::OpenAt2::new(dirfd, self.file_path.as_ptr(), &openhow); + let open_e = opcode::OpenAt2::new(dirfd, self.file_path, &openhow); unsafe { self.ring @@ -89,14 +100,13 @@ impl Ops { Err(Error::new( ErrorKind::Other, format!("open_file: raw os error result: {}", -cqe.result() as i32), - ))?; - } - - let raw_fd: RawFd = result.try_into().unwrap(); - - self.file_fd = Some(raw_fd); + )) + }else { + let raw_fd: RawFd = result.try_into().unwrap(); + self.file_fd = Some(raw_fd); - Ok(()) + Ok(()) + } } pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { @@ -176,9 +186,10 @@ impl Ops { Err(Error::new( ErrorKind::Other, format!("truncate: raw os error result: {}", result), - ))?; + )) + }else { + Ok(()) } - Ok(()) } // SQLite Documentation: @@ -194,7 +205,7 @@ impl Ops { } pub unsafe fn o_close(&mut self) -> Result<()> { - let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Close::new(fd); self.ring @@ -211,10 +222,12 @@ impl Ops { Err(Error::new( ErrorKind::Other, format!("close: raw os error result: {}", -cqe.result() as i32), - ))?; + )) + } else { + // clean up + CString::from_raw(self.file_path); + Ok(()) } - - Ok(()) } pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { @@ -222,7 +235,7 @@ impl Ops { let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; let dirfd = types::Fd(libc::AT_FDCWD); - let statx_op = opcode::Statx::new(dirfd, self.file_path.as_ptr(), statx_buf_ptr as *mut _) + let statx_op = opcode::Statx::new(dirfd, self.file_path, statx_buf_ptr as *mut _) .flags(libc::AT_EMPTY_PATH) .mask(libc::STATX_ALL); @@ -244,7 +257,7 @@ impl Ops { // TODO write unit test pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { - let fd = types::Fixed(self.file_fd.unwrap().try_into().unwrap()); + let fd = types::Fd(self.file_fd.unwrap()); let op = opcode::Fsync::new(fd); self.ring @@ -261,10 +274,11 @@ impl Ops { if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, - format!("raw os error result: {}", -cqe.result() as i32), - ))?; + format!("fsync: raw os error result: {}", -cqe.result() as i32), + )) + }else { + Ok(()) } - Ok(()) } fn exclusive_requested_pending_acquired(&mut self, to: LockKind) -> bool { @@ -277,12 +291,20 @@ impl Ops { fn init_lock(&mut self) -> Result<()> { if self.lock.is_none() { + let cstr = unsafe { CString::from_raw(self.file_path) }; + + let str_result = cstr.to_str(); + let err = Error::new(ErrorKind::Other, "bad file name"); - let str = self.file_path.to_str().map_err(|_| err)?; + // the fd from the ring, returns: os error 9 + let str = str_result.map_err(|_| err)?; let lock = Lock::new(str)?; + self.lock = Some(lock); + + cstr.into_raw(); } Ok(()) } @@ -305,7 +327,7 @@ impl Ops { } } -impl SqliteIoMethods for Ops { +impl SqliteIoMethods for Ops<'_> { fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { unsafe { self.o_close() } } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 00788ad..cf07dd6 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -1,5 +1,6 @@ use std::ffi::CString; use std::os::raw::c_void; +use std::io::Result; #[cfg(test)] mod tests { @@ -8,10 +9,10 @@ mod tests { use std::io::Write; #[test] - fn test_open_and_close_file() { + fn test_open_and_close_file() -> Result<()> { // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new().unwrap(); - let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let tmpfile = tempfile::NamedTempFile::new()?; + let file_path = CString::new(tmpfile.path().to_str().unwrap())?; let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation @@ -25,13 +26,15 @@ mod tests { } // Cleanup - tmpfile.close().unwrap(); + tmpfile.close()?; + + Ok(()) } #[test] - fn test_read() { + fn test_read() -> Result<()> { // Create a temporary file for testing - let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); + let mut tmpfile = tempfile::NamedTempFile::new()?; let data_to_write = b"Hello, World!"; let _ = tmpfile.write(data_to_write); @@ -40,53 +43,56 @@ mod tests { let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation - ops.open_file().unwrap(); + ops.open_file()?; // Read the file let mut buf: [u8; 13] = [0; 13]; let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { - ops.o_read(0, 13, buf_ptr).unwrap(); + ops.o_read(0, 13, buf_ptr)?; } // Check if the data read matches what was written assert_eq!(buf[..], data_to_write[..]); // Cleanup - tmpfile.close().unwrap(); + tmpfile.close()?; + + Ok(()) } #[test] - fn test_write_then_read() { + fn test_write_then_read() -> Result<()> { // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new().unwrap(); + let tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation - ops.open_file().unwrap(); + ops.open_file()?; // Write data to the file let data_to_write = b"Hello, World!"; let mut buf: [u8; 13] = [0; 13]; let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { - ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13) - .unwrap(); - ops.o_read(0, 13, buf_ptr).unwrap(); + ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13)?; + ops.o_read(0, 13, buf_ptr)?; } // Check if the data read matches what was written assert_eq!(buf[..], data_to_write[..]); // Cleanup - tmpfile.close().unwrap(); + tmpfile.close()?; + + Ok(()) } #[test] - fn test_file_size() { + fn test_file_size() -> Result<()> { // Create a temporary file for testing - let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); + let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); let data_to_write = b"Hello, World!"; @@ -95,29 +101,31 @@ mod tests { let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation - ops.open_file().unwrap(); + ops.open_file()?; // Get the current file size let mut file_size: u64 = 0; unsafe { - ops.o_file_size(&mut file_size).unwrap(); + ops.o_file_size(&mut file_size)?; } assert_eq!(file_size, 13); // Cleanup - tmpfile.close().unwrap(); + tmpfile.close()?; + + Ok(()) } #[test] - fn test_truncate_then_compare_file_size() { + fn test_truncate_then_compare_file_size() -> Result<()> { // Create a temporary file for testing - let mut tmpfile = tempfile::NamedTempFile::new().unwrap(); + let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation - ops.open_file().unwrap(); + ops.open_file()?; // Write some data to the file let data_to_write = b"Hello, World!"; @@ -126,19 +134,21 @@ mod tests { // Truncate the file to a smaller size let new_size = 5; // Set the new size to 5 bytes unsafe { - ops.o_truncate(new_size).unwrap(); + ops.o_truncate(new_size)?; } // Get the current file size let mut file_size: u64 = 0; unsafe { - ops.o_file_size(&mut file_size).unwrap(); + ops.o_file_size(&mut file_size)?; } // Check if the file size matches the expected size assert_eq!(file_size, new_size as u64); // Cleanup - tmpfile.close().unwrap(); + tmpfile.close()?; + + Ok(()) } } diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 595029d..92d9b5a 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -3,7 +3,7 @@ include!("../include/conn.in.rs"); #[cfg(test)] mod tests { use _iouringvfs::sqlite3_iouringvfs_init; - use rusqlite::{self, ffi::sqlite3_auto_extension}; + use rusqlite::{self, ffi::sqlite3_auto_extension, Connection}; use crate::open_io_uring_connection; @@ -15,9 +15,13 @@ mod tests { ))); } + // Pre-load register function etc. See faux_sqlite_extension_init2 and its required global. + let _conn = Connection::open_in_memory()?; + _conn.close().expect("error occurred while closing"); + // let tmp_file = tempfile::NamedTempFile::new().unwrap(); // let out_path = tmp_file.path().to_str().unwrap(); - let out_path = "main.db"; + let out_path = "db/main.db"; let conn = open_io_uring_connection(out_path)?; diff --git a/memvfs.sql b/memvfs.sql deleted file mode 100644 index 5e2abcd..0000000 --- a/memvfs.sql +++ /dev/null @@ -1,19 +0,0 @@ -.mode box -.header on - -.load target/debug/examples/libmem_vfs - -SELECT mem_vfs_uri(); - -ATTACH mem_vfs_uri() AS inmem; - --- attach does not actually do anything -.open ___mem___ -- does - -CREATE TABLE t3(x, y); - -INSERT INTO t3 VALUES('a', 4), - ('b', 5), - ('c', 3), - ('d', 8), - ('e', 1); diff --git a/src/vfs/file.rs b/src/vfs/file.rs index 0ef86e2..ba8188f 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -9,10 +9,8 @@ use sqlite3ext_sys::{ SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_WRITE, }; -use std::{ - mem::MaybeUninit, - os::raw::{c_int, c_void}, -}; +use std::os::raw::{c_int, c_void} +; use crate::vfs::traits::SqliteIoMethods; use crate::vfs::vfs::handle_error; @@ -179,8 +177,8 @@ unsafe extern "C" fn x_unfetch( #[repr(C)] pub struct FileWithAux { - pMethods: Box, - aux: T, + pub pMethods: Box, + pub aux: T, } /// See sqlite3OsOpenMalloc and sqlite3OsCloseFree dependency on szOsFile on sqlite3_vfs, @@ -196,7 +194,7 @@ pub unsafe fn prepare_file_ptr( file_ptr // in case other fields have to be modified } -fn create_io_methods_boxed() -> Box { +pub fn create_io_methods_boxed() -> Box { let m = sqlite3_io_methods { iVersion: 3, // this library targets version 3? xClose: Some(x_close::), From 184447849ce750aedccdc9eeb9dbd270e4b6cdf9 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 28 Nov 2023 12:50:05 +0100 Subject: [PATCH 110/142] fix filename issue with trailing stuff --- benchmarks/vfs/io_uring/src/lib.rs | 24 ++++++++++++++--------- benchmarks/vfs/io_uring/src/ops.rs | 3 ++- benchmarks/vfs/io_uring/tests/test_ops.rs | 2 +- benchmarks/vfs/io_uring/tests/test_vfs.rs | 3 ++- include/mem_vfs.in.rs | 3 ++- 5 files changed, 22 insertions(+), 13 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 43a8264..202f477 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -22,7 +22,7 @@ use sqlite_loadable::{ SqliteIoMethods, }; -use std::ffi::{CStr, CString}; +use std::ffi::{CString, CStr}; use std::fs::{self, File}; use std::io::{self, Read, Write}; use std::os::raw::{c_char, c_void}; @@ -57,29 +57,34 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let file_path: CString = unsafe { CStr::from_ptr(z_name).into() }; - let mut uring_ops = Ops::from_ring(file_path.clone(), &mut self.ring); + let file_name = unsafe { + CStr::from_ptr(z_name) + }; + + let mut uring_ops = Ops::from_ring(file_name.into(), &mut self.ring); unsafe { let mut f = &mut (*p_file.cast::>()); std::mem::replace(&mut f.pMethods, create_io_methods_boxed::>()); - std::mem::replace(&mut f.aux, uring_ops); // nope, a field drops + std::mem::replace(&mut f.aux, uring_ops); // use pointers and references, stack objects drop - f.aux.open_file(); + f.aux.open_file()?; }; Ok(()) } fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { - let file_path_cstr = unsafe { CStr::from_ptr(z_name) }; - let file_path = file_path_cstr.to_str().unwrap(); - if let Ok(metadata) = fs::metadata(file_path) { + let file_path: CString = unsafe { CString::from_raw(z_name.cast_mut()) }; + let err = Error::new(ErrorKind::Other, "bad file name"); + let file_path_str = file_path.to_str().map_err(|_| err)?; + if let Ok(metadata) = fs::metadata(file_path_str) { if metadata.is_file() { self.default_vfs.delete(z_name, sync_dir); } } + file_path.into_raw(); Ok(()) } @@ -102,7 +107,8 @@ impl SqliteVfs for IoUringVfs { let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); let dst_ptr = z_out; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); + let len = name.as_bytes().len() + 1; + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), len); name.into_raw(); } diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index b6a59c7..0d3615d 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -1,4 +1,4 @@ -use std::ffi::{CStr, CString}; +use std::ffi::CString; use std::fs::File; use std::os::fd::RawFd; use std::os::raw::c_void; @@ -327,6 +327,7 @@ impl<'a> Ops<'a> { } } +// TODO remove *mut sqlite3_file impl SqliteIoMethods for Ops<'_> { fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { unsafe { self.o_close() } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index cf07dd6..1815e03 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -22,7 +22,7 @@ mod tests { assert!(result.is_ok()); unsafe { - let _ = ops.o_close(); + ops.o_close()?; } // Cleanup diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 92d9b5a..f2c391c 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -21,7 +21,8 @@ mod tests { // let tmp_file = tempfile::NamedTempFile::new().unwrap(); // let out_path = tmp_file.path().to_str().unwrap(); - let out_path = "db/main.db"; + // let out_path = "db/main.db"; // breaks, maybe because docker is protecting the container? + let out_path = "/tmp/main.db"; let conn = open_io_uring_connection(out_path)?; diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index 041fdf5..7b39bf7 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -78,7 +78,8 @@ impl SqliteVfs for MemVfs { let name = CString::from_raw(z_name.cast_mut()); let src_ptr = name.as_ptr(); let dst_ptr = z_out; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), name.as_bytes().len()); + let len = name.as_bytes().len() + 1; + ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), len); name.into_raw(); } From 4f759332ed0f0b12ff4e99b9103c156e9f6936e1 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 30 Nov 2023 17:45:48 +0100 Subject: [PATCH 111/142] add log trace, remove some unwraps --- benchmarks/vfs/io_uring/Cargo.lock | 1 + benchmarks/vfs/io_uring/Cargo.toml | 1 + benchmarks/vfs/io_uring/README.md | 8 ++++++ benchmarks/vfs/io_uring/src/lib.rs | 32 ++++++++++++++++++--- benchmarks/vfs/io_uring/src/ops.rs | 35 ++++++++++++++++++++--- benchmarks/vfs/io_uring/tests/test_ops.rs | 16 +++++------ benchmarks/vfs/io_uring/tests/test_vfs.rs | 10 ++++--- 7 files changed, 83 insertions(+), 20 deletions(-) diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index 9fdc462..90f8240 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -586,6 +586,7 @@ dependencies = [ name = "sqlite3_vfs_io_uring" version = "0.1.0" dependencies = [ + "env_logger", "io-uring", "libc", "libsqlite3-sys", diff --git a/benchmarks/vfs/io_uring/Cargo.toml b/benchmarks/vfs/io_uring/Cargo.toml index 6195f51..652f5eb 100644 --- a/benchmarks/vfs/io_uring/Cargo.toml +++ b/benchmarks/vfs/io_uring/Cargo.toml @@ -9,6 +9,7 @@ sqlite3ext-sys = {path="../../../sqlite3ext-sys"} sqlite-loadable = {path="../../../", features = ["static"]} libc = "0.2.148" log = "0.4" +env_logger = "0.9" strum = { version = "0.25", features = ["derive"] } [dev-dependencies] diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 526791d..0657190 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -25,8 +25,16 @@ sh run-hyperfine.sh If you don't have linux running on your machine (yet), use [the docker script provided here](./run-docker.sh). +### Logging + +```bash +RUST_LOG=trace cargo test +``` + ### Results +TODO redo with correct setup + | Test | Desc | Winner | | --- | --- | --- | | 1 | 1000 INSERTs | in-file | diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 202f477..0e30f2c 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -43,6 +43,8 @@ use std::io::{Error, ErrorKind, Result}; pub const EXTENSION_NAME: &str = "iouring"; pub const RING_SIZE: u32 = 32; +// TODO alternate implementation: write to mmap + struct IoUringVfs { default_vfs: ShimVfs, vfs_name: CString, @@ -57,25 +59,32 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let file_name = unsafe { CStr::from_ptr(z_name) }; + let str = file_name.to_string_lossy(); + let mut uring_ops = Ops::from_ring(file_name.into(), &mut self.ring); - unsafe { + let f = unsafe { let mut f = &mut (*p_file.cast::>()); std::mem::replace(&mut f.pMethods, create_io_methods_boxed::>()); std::mem::replace(&mut f.aux, uring_ops); // use pointers and references, stack objects drop f.aux.open_file()?; + + f }; + log::trace!("open {} with fd: {}", str, f.aux.file_fd.unwrap()); + Ok(()) } fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { + log::trace!("delete"); + let file_path: CString = unsafe { CString::from_raw(z_name.cast_mut()) }; let err = Error::new(ErrorKind::Other, "bad file name"); let file_path_str = file_path.to_str().map_err(|_| err)?; @@ -89,6 +98,8 @@ impl SqliteVfs for IoUringVfs { } fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { + log::trace!("access"); + unsafe { // *p_res_out = if self.wal { 1 } else { 0 }; *p_res_out = 0; @@ -102,6 +113,8 @@ impl SqliteVfs for IoUringVfs { n_out: i32, z_out: *mut c_char, ) -> Result<()> { + log::trace!("full_pathname"); + unsafe { // don't rely on type conversion of n_out to determine the end line char let name = CString::from_raw(z_name.cast_mut()); @@ -134,22 +147,33 @@ impl SqliteVfs for IoUringVfs { // } fn randomness(&mut self, n_byte: i32, z_out: *mut c_char) -> i32 { + log::trace!("randomness"); self.default_vfs.randomness(n_byte, z_out) } fn sleep(&mut self, microseconds: i32) -> i32 { + log::trace!("sleep"); self.default_vfs.sleep(microseconds) } fn current_time(&mut self, arg2: *mut f64) -> i32 { + log::trace!("current_time"); self.default_vfs.current_time(arg2) } fn get_last_error(&mut self, arg2: i32, arg3: *mut c_char) -> Result<()> { + if !arg3.is_null() { + let cstr = unsafe { CStr::from_ptr(arg3) }; + let err_str = cstr.to_string_lossy(); + log::trace!("get_last_error: {}", err_str); + }else { + log::trace!("get_last_error"); + } self.default_vfs.get_last_error(arg2, arg3) } fn current_time_int64(&mut self, arg2: *mut i64) -> i32 { + log::trace!("current_time_int64"); self.default_vfs.current_time_int64(arg2) } @@ -206,8 +230,8 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> ring_vfs, name_ptr, 1024, - // Either rust or sqlite3 has ownership and thus manages the memory - std::mem::size_of::>() as i32, // nope, std::mem::replace's move drops IOUring prematurely + // sqlite3 has ownership and thus manages the memory + std::mem::size_of::>() as i32 ); register_boxed_vfs(vfs, false)?; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 0d3615d..f21d5c3 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -41,7 +41,7 @@ const USER_DATA_FSYNC: u64 = 0x7; pub struct Ops<'a> { ring: &'a mut IoUring, file_path: *mut c_char, - file_fd: Option, + pub(crate) file_fd: Option, lock: Option, } @@ -281,7 +281,7 @@ impl<'a> Ops<'a> { } } - fn exclusive_requested_pending_acquired(&mut self, to: LockKind) -> bool { + fn is_exclusive_requested_pending_acquired(&mut self, to: LockKind) -> bool { if let Some(lock) = &mut self.lock { lock.lock(to) && lock.current() == to } else { @@ -312,7 +312,7 @@ impl<'a> Ops<'a> { pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { self.init_lock()?; LockKind::from_repr(lock_request) - .map(|kind| self.exclusive_requested_pending_acquired(kind)) + .map(|kind| self.is_exclusive_requested_pending_acquired(kind)) .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY }) .ok_or_else(|| Error::new(ErrorKind::Other, "Missing lock")) } @@ -330,10 +330,14 @@ impl<'a> Ops<'a> { // TODO remove *mut sqlite3_file impl SqliteIoMethods for Ops<'_> { fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { + log::trace!("file close"); + unsafe { self.o_close() } } fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + log::trace!("file read"); + unsafe { self.o_read(ofst as u64, s as u32, buf) } } @@ -344,30 +348,42 @@ impl SqliteIoMethods for Ops<'_> { s: i32, ofst: i64, ) -> Result<()> { + log::trace!("file write"); + unsafe { self.o_write(buf, ofst as u64, s as u32) } } fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { + log::trace!("file truncate"); + unsafe { self.o_truncate(size) } } fn sync(&mut self, file: *mut sqlite3_file, flags: i32) -> Result<()> { + log::trace!("file sync"); + unsafe { self.o_fsync(flags) } } fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()> { + log::trace!("file size"); + unsafe { self.o_file_size(p_size as *mut u64) } } fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + log::trace!("file lock"); self.lock_or_unlock(arg2) } fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + log::trace!("file unlock"); self.lock_or_unlock(arg2) } fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { + log::trace!("file check reserved lock"); + let lock_reserved = self.lock_reserved()?; unsafe { *p_res_out = if lock_reserved { 1 } else { 0 }; @@ -378,14 +394,17 @@ impl SqliteIoMethods for Ops<'_> { /// See https://www.sqlite.org/c3ref/file_control.html /// and also https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { + log::trace!("file control"); Ok(()) } fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { + log::trace!("sector size"); Ok(1024) } fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { + log::trace!("device characteristics"); let x = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND @@ -401,18 +420,22 @@ impl SqliteIoMethods for Ops<'_> { arg2: i32, arg3: *mut *mut c_void, ) -> Result<()> { + log::trace!("shm map"); Ok(()) } fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { + log::trace!("shm lock"); Ok(()) } fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { + log::trace!("shm barrier"); Ok(()) } fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: i32) -> Result<()> { + log::trace!("shm unmap"); Ok(()) } @@ -423,10 +446,14 @@ impl SqliteIoMethods for Ops<'_> { size: i32, pp: *mut *mut c_void, ) -> Result<()> { - unsafe { self.o_fetch(ofst as u64, size as u32, pp) } + unsafe { + log::trace!("file fetch"); + self.o_fetch(ofst as u64, size as u32, pp) + } } fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { + log::trace!("file unfetch"); Ok(()) } } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 1815e03..f98bfba 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -12,7 +12,7 @@ mod tests { fn test_open_and_close_file() -> Result<()> { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_str().unwrap())?; + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation @@ -37,9 +37,9 @@ mod tests { let mut tmpfile = tempfile::NamedTempFile::new()?; let data_to_write = b"Hello, World!"; - let _ = tmpfile.write(data_to_write); + tmpfile.write(data_to_write)?; - let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation @@ -65,7 +65,7 @@ mod tests { fn test_write_then_read() -> Result<()> { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation @@ -93,10 +93,10 @@ mod tests { fn test_file_size() -> Result<()> { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; let data_to_write = b"Hello, World!"; - let _ = tmpfile.write(data_to_write); + tmpfile.write(data_to_write)?; let mut ops = Ops::new(file_path.clone(), 16); @@ -121,7 +121,7 @@ mod tests { fn test_truncate_then_compare_file_size() -> Result<()> { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_str().unwrap()).unwrap(); + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; let mut ops = Ops::new(file_path.clone(), 16); // Perform the open operation @@ -129,7 +129,7 @@ mod tests { // Write some data to the file let data_to_write = b"Hello, World!"; - let _ = tmpfile.write(data_to_write); + tmpfile.write(data_to_write)?; // Truncate the file to a smaller size let new_size = 5; // Set the new size to 5 bytes diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index f2c391c..8ce24e0 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -9,6 +9,8 @@ mod tests { #[test] fn test_io_uring_ext() -> rusqlite::Result<()> { + env_logger::init(); + unsafe { sqlite3_auto_extension(Some(std::mem::transmute( sqlite3_iouringvfs_init as *const (), @@ -19,12 +21,12 @@ mod tests { let _conn = Connection::open_in_memory()?; _conn.close().expect("error occurred while closing"); - // let tmp_file = tempfile::NamedTempFile::new().unwrap(); - // let out_path = tmp_file.path().to_str().unwrap(); + let tmp_file = tempfile::NamedTempFile::new().unwrap(); + let out_path = tmp_file.path().to_string_lossy().to_string(); // let out_path = "db/main.db"; // breaks, maybe because docker is protecting the container? - let out_path = "/tmp/main.db"; + // let out_path = "/tmp/main.db"; // OpenAt2 returns 0s - let conn = open_io_uring_connection(out_path)?; + let conn = open_io_uring_connection(out_path.as_str())?; conn.execute("CREATE TABLE t3(x varchar(10), y integer)", ())?; conn.execute( From ef2b3910106660ba5a977ca789b124ebdeaa6935 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Thu, 30 Nov 2023 19:19:23 +0100 Subject: [PATCH 112/142] err: database disk image is malformed --- benchmarks/vfs/io_uring/src/lib.rs | 32 +++---- benchmarks/vfs/io_uring/src/ops.rs | 38 ++++---- benchmarks/vfs/io_uring/tests/test_ops.rs | 2 +- src/vfs/file.rs | 100 +++++++++++++--------- 4 files changed, 91 insertions(+), 81 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 0e30f2c..a54e590 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -16,13 +16,13 @@ use sqlite_loadable::ext::{ use sqlite_loadable::vfs::shim::{ShimFile, ShimVfs}; use sqlite_loadable::vfs::vfs::create_vfs; -use sqlite_loadable::vfs::file::{create_io_methods_boxed, FileWithAux}; +use sqlite_loadable::vfs::file::{create_io_methods_boxed, prepare_file_ptr, FileWithAux}; use sqlite_loadable::{ api, define_scalar_function, prelude::*, register_boxed_vfs, vfs::traits::SqliteVfs, SqliteIoMethods, }; -use std::ffi::{CString, CStr}; +use std::ffi::{CStr, CString}; use std::fs::{self, File}; use std::io::{self, Read, Write}; use std::os::raw::{c_char, c_void}; @@ -48,7 +48,6 @@ pub const RING_SIZE: u32 = 32; struct IoUringVfs { default_vfs: ShimVfs, vfs_name: CString, - ring: IoUring, } impl SqliteVfs for IoUringVfs { @@ -59,26 +58,20 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let file_name = unsafe { - CStr::from_ptr(z_name) - }; + let file_name = unsafe { CStr::from_ptr(z_name) }; let str = file_name.to_string_lossy(); - let mut uring_ops = Ops::from_ring(file_name.into(), &mut self.ring); - - let f = unsafe { - let mut f = &mut (*p_file.cast::>()); - std::mem::replace(&mut f.pMethods, create_io_methods_boxed::>()); - std::mem::replace(&mut f.aux, uring_ops); // use pointers and references, stack objects drop + let mut uring_ops = Ops::new(file_name.into(), RING_SIZE); - f.aux.open_file()?; + uring_ops.open_file(); - f + unsafe { + let mut f = &mut *p_file.cast::>(); + std::mem::replace(&mut f.pMethods, create_io_methods_boxed::()); + f.aux.write(uring_ops); }; - log::trace!("open {} with fd: {}", str, f.aux.file_fd.unwrap()); - Ok(()) } @@ -99,7 +92,7 @@ impl SqliteVfs for IoUringVfs { fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { log::trace!("access"); - + unsafe { // *p_res_out = if self.wal { 1 } else { 0 }; *p_res_out = 0; @@ -166,7 +159,7 @@ impl SqliteVfs for IoUringVfs { let cstr = unsafe { CStr::from_ptr(arg3) }; let err_str = cstr.to_string_lossy(); log::trace!("get_last_error: {}", err_str); - }else { + } else { log::trace!("get_last_error"); } self.default_vfs.get_last_error(arg2, arg3) @@ -219,7 +212,6 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> ShimVfs::from_ptr(shimmed_vfs) }, vfs_name, - ring: IoUring::new(RING_SIZE).unwrap(), }; // allocation is bound to lifetime of struct @@ -231,7 +223,7 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> name_ptr, 1024, // sqlite3 has ownership and thus manages the memory - std::mem::size_of::>() as i32 + std::mem::size_of::>() as i32, ); register_boxed_vfs(vfs, false)?; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index f21d5c3..1215a1f 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -1,4 +1,4 @@ -use std::ffi::CString; +use std::ffi::{CStr, CString}; use std::fs::File; use std::os::fd::RawFd; use std::os::raw::c_void; @@ -38,27 +38,18 @@ const USER_DATA_CLOSE: u64 = 0x6; const USER_DATA_FSYNC: u64 = 0x7; // Tested on kernels 5.15.49, 6.3.13 -pub struct Ops<'a> { - ring: &'a mut IoUring, +pub struct Ops { + ring: IoUring, file_path: *mut c_char, pub(crate) file_fd: Option, lock: Option, } -impl<'a> Ops<'a> { +impl Ops { // Used for tests pub fn new(file_path: CString, ring_size: u32) -> Self { - let mut ring = Box::into_raw(Box::new(IoUring::new(ring_size).unwrap())); + let mut ring = IoUring::new(ring_size).unwrap(); - Ops { - ring: unsafe { &mut (*ring) }, - file_path: file_path.clone().into_raw(), - file_fd: None, - lock: None, - } - } - - pub fn from_ring(file_path: CString, ring: &'a mut IoUring) -> Self { Ops { ring, file_path: file_path.clone().into_raw(), @@ -96,16 +87,25 @@ impl<'a> Ops<'a> { let result = cqe.result(); + unsafe { + let path = CStr::from_ptr(self.file_path); + log::trace!( + "open {} with fd: {}", + path.to_string_lossy().to_string(), + result + ) + } + if result < 0 { Err(Error::new( ErrorKind::Other, format!("open_file: raw os error result: {}", -cqe.result() as i32), )) - }else { + } else { let raw_fd: RawFd = result.try_into().unwrap(); self.file_fd = Some(raw_fd); - Ok(()) + Ok(()) } } @@ -187,7 +187,7 @@ impl<'a> Ops<'a> { ErrorKind::Other, format!("truncate: raw os error result: {}", result), )) - }else { + } else { Ok(()) } } @@ -276,7 +276,7 @@ impl<'a> Ops<'a> { ErrorKind::Other, format!("fsync: raw os error result: {}", -cqe.result() as i32), )) - }else { + } else { Ok(()) } } @@ -328,7 +328,7 @@ impl<'a> Ops<'a> { } // TODO remove *mut sqlite3_file -impl SqliteIoMethods for Ops<'_> { +impl SqliteIoMethods for Ops { fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { log::trace!("file close"); diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index f98bfba..3a1e8e6 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -1,6 +1,6 @@ use std::ffi::CString; -use std::os::raw::c_void; use std::io::Result; +use std::os::raw::c_void; #[cfg(test)] mod tests { diff --git a/src/vfs/file.rs b/src/vfs/file.rs index ba8188f..a9b54de 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -9,7 +9,7 @@ use sqlite3ext_sys::{ SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_WRITE, }; -use std::os::raw::{c_int, c_void} +use std::{os::raw::{c_int, c_void}, mem::MaybeUninit, fs::File} ; use crate::vfs::traits::SqliteIoMethods; @@ -21,8 +21,9 @@ use super::vfs::handle_int; // TODO keep a pointer of f and m, then // This should just close the file, and not do gc unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.close(file); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.close(file); handle_error(result, Some(SQLITE_IOERR_CLOSE)) } @@ -32,8 +33,9 @@ unsafe extern "C" fn x_read( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.read(file, buf, iAmt, iOfst); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.read(file, buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_READ)) } @@ -43,8 +45,9 @@ unsafe extern "C" fn x_write( iAmt: c_int, iOfst: sqlite3_int64, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.write(file, buf, iAmt, iOfst); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.write(file, buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_WRITE)) } @@ -52,14 +55,16 @@ unsafe extern "C" fn x_truncate( file: *mut sqlite3_file, size: sqlite3_int64, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.truncate(file, size); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.truncate(file, size); handle_error(result, Some(SQLITE_IOERR_TRUNCATE)) } unsafe extern "C" fn x_sync(file: *mut sqlite3_file, flags: c_int) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.sync(file, flags); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.sync(file, flags); handle_error(result, Some(SQLITE_IOERR_FSYNC)) } @@ -67,20 +72,23 @@ unsafe extern "C" fn x_file_size( file: *mut sqlite3_file, pSize: *mut sqlite3_int64, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.file_size(file, pSize); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.file_size(file, pSize); handle_error(result, Some(SQLITE_IOERR_FSTAT)) } unsafe extern "C" fn x_lock(file: *mut sqlite3_file, arg2: c_int) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.lock(file, arg2); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.lock(file, arg2); handle_int(result, Some(SQLITE_IOERR_LOCK)) } unsafe extern "C" fn x_unlock(file: *mut sqlite3_file, arg2: c_int) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.unlock(file, arg2); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.unlock(file, arg2); handle_int(result, Some(SQLITE_IOERR_UNLOCK)) } @@ -88,8 +96,9 @@ unsafe extern "C" fn x_check_reserved_lock( file: *mut sqlite3_file, pResOut: *mut c_int, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.check_reserved_lock(file, pResOut); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.check_reserved_lock(file, pResOut); handle_error(result, None) } @@ -98,22 +107,25 @@ unsafe extern "C" fn x_file_control( op: c_int, pArg: *mut c_void, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.file_control(file, op, pArg); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.file_control(file, op, pArg); handle_error(result, None) } unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.sector_size(file); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.sector_size(file); handle_int(result, None) } unsafe extern "C" fn x_device_characteristics( file: *mut sqlite3_file, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.device_characteristics(file); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.device_characteristics(file); handle_int(result, None) } @@ -124,8 +136,9 @@ unsafe extern "C" fn x_shm_map( arg2: c_int, arg3: *mut *mut c_void, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.shm_map(file, iPg, pgsz, arg2, arg3); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.shm_map(file, iPg, pgsz, arg2, arg3); handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } @@ -135,22 +148,25 @@ unsafe extern "C" fn x_shm_lock( n: c_int, flags: c_int, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.shm_lock(file, offset, n, flags); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.shm_lock(file, offset, n, flags); handle_error(result, Some(SQLITE_IOERR_SHMLOCK)) } unsafe extern "C" fn x_shm_barrier(file: *mut sqlite3_file) { - let mut f = file.cast::>(); - let result = (*f).aux.shm_barrier(file); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.shm_barrier(file); } unsafe extern "C" fn x_shm_unmap( file: *mut sqlite3_file, deleteFlag: c_int, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.shm_unmap(file, deleteFlag); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.shm_unmap(file, deleteFlag); handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } @@ -160,8 +176,9 @@ unsafe extern "C" fn x_fetch( iAmt: c_int, pp: *mut *mut c_void, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.fetch(file, iOfst, iAmt, pp); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.fetch(file, iOfst, iAmt, pp); handle_error(result, None) } @@ -170,15 +187,16 @@ unsafe extern "C" fn x_unfetch( iOfst: sqlite3_int64, p: *mut c_void, ) -> c_int { - let mut f = file.cast::>(); - let result = (*f).aux.unfetch(file, iOfst, p); + let mut f = &mut *file.cast::>(); + let mut aux = f.aux.assume_init_mut(); + let result = aux.unfetch(file, iOfst, p); handle_error(result, None) } #[repr(C)] pub struct FileWithAux { pub pMethods: Box, - pub aux: T, + pub aux: MaybeUninit, } /// See sqlite3OsOpenMalloc and sqlite3OsCloseFree dependency on szOsFile on sqlite3_vfs, @@ -187,9 +205,9 @@ pub unsafe fn prepare_file_ptr( file_ptr: *mut sqlite3_file, aux: T, ) -> *const sqlite3_file { - let mut f = file_ptr.cast::>(); - std::mem::replace(&mut (*f).pMethods, create_io_methods_boxed::()); - std::mem::replace(&mut (*f).aux, aux); + let mut f = &mut *file_ptr.cast::>(); + std::mem::replace(&mut f.pMethods, create_io_methods_boxed::()); + f.aux.write(aux); file_ptr // in case other fields have to be modified } From bd4b58c174d54a1cea11b371e21054c215a4bdcf Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Wed, 6 Dec 2023 04:15:35 +0100 Subject: [PATCH 113/142] solve CString issue --- benchmarks/vfs/io_uring/src/lib.rs | 11 +++++++---- benchmarks/vfs/io_uring/tests/test_vfs.rs | 2 -- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index a54e590..fb26f78 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -58,15 +58,18 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let file_name = unsafe { CStr::from_ptr(z_name) }; + let file_name = unsafe { CString::from_raw(z_name as *mut u8) }; - let str = file_name.to_string_lossy(); - - let mut uring_ops = Ops::new(file_name.into(), RING_SIZE); + let mut uring_ops = Ops::new(file_name.clone(), RING_SIZE); uring_ops.open_file(); + file_name.into_raw(); + unsafe { + // Box::new + mem::replace + // ManuallyDrop::new... + let mut f = &mut *p_file.cast::>(); std::mem::replace(&mut f.pMethods, create_io_methods_boxed::()); f.aux.write(uring_ops); diff --git a/benchmarks/vfs/io_uring/tests/test_vfs.rs b/benchmarks/vfs/io_uring/tests/test_vfs.rs index 8ce24e0..6c2d3c4 100644 --- a/benchmarks/vfs/io_uring/tests/test_vfs.rs +++ b/benchmarks/vfs/io_uring/tests/test_vfs.rs @@ -23,8 +23,6 @@ mod tests { let tmp_file = tempfile::NamedTempFile::new().unwrap(); let out_path = tmp_file.path().to_string_lossy().to_string(); - // let out_path = "db/main.db"; // breaks, maybe because docker is protecting the container? - // let out_path = "/tmp/main.db"; // OpenAt2 returns 0s let conn = open_io_uring_connection(out_path.as_str())?; From b73f7d7486ef73e3d495ee062c66205a4f58e16b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 01:43:36 +0100 Subject: [PATCH 114/142] for some reason if the completion queue is not drained completely, openat2 will create a previously non-existent file, but refuse to return a valid fd (i.e. >0) --- benchmarks/vfs/io_uring/src/lib.rs | 52 +++---- benchmarks/vfs/io_uring/src/ops.rs | 158 +++++++++++++--------- benchmarks/vfs/io_uring/tests/test_ops.rs | 37 ++++- 3 files changed, 154 insertions(+), 93 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index fb26f78..e7a9aec 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -22,10 +22,13 @@ use sqlite_loadable::{ SqliteIoMethods, }; +use std::cell::RefCell; use std::ffi::{CStr, CString}; use std::fs::{self, File}; use std::io::{self, Read, Write}; +use std::mem::MaybeUninit; use std::os::raw::{c_char, c_void}; +use std::rc::Rc; use std::sync::Arc; use std::{mem, ptr}; @@ -48,8 +51,10 @@ pub const RING_SIZE: u32 = 32; struct IoUringVfs { default_vfs: ShimVfs, vfs_name: CString, + ring: Rc>, } +// TODO replace all unwraps with proper error handling impl SqliteVfs for IoUringVfs { fn open( &mut self, @@ -58,38 +63,38 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let file_name = unsafe { CString::from_raw(z_name as *mut u8) }; + let mut uring_ops = Ops::from_rc_refcell_ring(z_name as *mut u8, self.ring.clone()); - let mut uring_ops = Ops::new(file_name.clone(), RING_SIZE); + let file_name = unsafe { CStr::from_ptr(z_name).to_str().unwrap() }; - uring_ops.open_file(); - - file_name.into_raw(); + uring_ops.open_file()?; unsafe { - // Box::new + mem::replace - // ManuallyDrop::new... - - let mut f = &mut *p_file.cast::>(); - std::mem::replace(&mut f.pMethods, create_io_methods_boxed::()); + // if you mess with C's managed memory, e.g. like owning a *char managed by C, expect weirdness. + let f = (p_file as *mut FileWithAux).as_mut().unwrap(); + f.pMethods = create_io_methods_boxed::(); f.aux.write(uring_ops); }; Ok(()) } + // TODO replace with io_uring's system call free delete fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { log::trace!("delete"); - let file_path: CString = unsafe { CString::from_raw(z_name.cast_mut()) }; - let err = Error::new(ErrorKind::Other, "bad file name"); - let file_path_str = file_path.to_str().map_err(|_| err)?; - if let Ok(metadata) = fs::metadata(file_path_str) { + let f = unsafe { CStr::from_ptr(z_name) }; + + // TODO handle error + let file_path_str = f.to_str().unwrap(); + + // TODO handle error + if let Ok(metadata) = fs::metadata(std::path::Path::new(file_path_str)) { if metadata.is_file() { self.default_vfs.delete(z_name, sync_dir); } } - file_path.into_raw(); + Ok(()) } @@ -111,15 +116,11 @@ impl SqliteVfs for IoUringVfs { ) -> Result<()> { log::trace!("full_pathname"); - unsafe { - // don't rely on type conversion of n_out to determine the end line char - let name = CString::from_raw(z_name.cast_mut()); - let src_ptr = name.as_ptr(); - let dst_ptr = z_out; - let len = name.as_bytes().len() + 1; - ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), len); - name.into_raw(); - } + let name = unsafe { CStr::from_ptr(z_name) }; + let src_ptr = name.as_ptr(); + let dst_ptr = z_out; + let len = name.to_bytes_with_nul().len(); + unsafe { ptr::copy_nonoverlapping(src_ptr, dst_ptr.cast(), len) }; Ok(()) } @@ -209,12 +210,15 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> let shimmed_vfs_char = shimmed_name.as_ptr() as *const c_char; let shimmed_vfs = unsafe { sqlite3ext_vfs_find(shimmed_vfs_char) }; + let mut ring = Rc::new(RefCell::new(IoUring::new(RING_SIZE).unwrap())); + let ring_vfs = IoUringVfs { default_vfs: unsafe { // pass thru ShimVfs::from_ptr(shimmed_vfs) }, vfs_name, + ring, }; // allocation is bound to lifetime of struct diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 1215a1f..0f1ae88 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -1,9 +1,12 @@ +use std::borrow::BorrowMut; +use std::cell::RefCell; use std::ffi::{CStr, CString}; use std::fs::File; use std::os::fd::RawFd; use std::os::raw::c_void; use std::os::unix::ffi::OsStrExt; use std::os::unix::io::{AsRawFd, FromRawFd}; +use std::rc::Rc; use io_uring::types::Fd; use libc::c_char; @@ -39,62 +42,71 @@ const USER_DATA_FSYNC: u64 = 0x7; // Tested on kernels 5.15.49, 6.3.13 pub struct Ops { - ring: IoUring, - file_path: *mut c_char, - pub(crate) file_fd: Option, + ring: Rc>, + file_path: *mut u8, + file_fd: Option, lock: Option, + file_name: String, // debugging } impl Ops { // Used for tests - pub fn new(file_path: CString, ring_size: u32) -> Self { - let mut ring = IoUring::new(ring_size).unwrap(); + pub fn new(file_path: *mut u8, ring_size: u32) -> Self { + let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).unwrap())); + Self::from_rc_refcell_ring(file_path, ring) + } + + pub fn from_rc_refcell_ring(file_path: *mut u8, ring: Rc>) -> Self { Ops { ring, - file_path: file_path.clone().into_raw(), + file_path, file_fd: None, lock: None, + file_name: unsafe { CStr::from_ptr(file_path).to_str().unwrap().to_string() }, } } - // TODO add O_DIRECT and O_SYNC parameters for systems that actually support it + // TODO investigate as premature optimization: add O_DIRECT and O_SYNC parameters for systems that actually support it + // TODO investigate o_TMPFILE for .journal, .wal etc. and disable vfs DELETE event pub fn open_file(&mut self) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike - // let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64 | libc::O_RDWR as u64; - let flags = libc::O_CREAT as u64 | libc::O_RDWR as u64; + // let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64; + let flags = libc::O_CREAT as u64; let openhow = types::OpenHow::new() .flags(flags) .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); - let open_e = opcode::OpenAt2::new(dirfd, self.file_path, &openhow); + let open_e: opcode::OpenAt2 = opcode::OpenAt2::new(dirfd, self.file_path, &openhow); unsafe { - self.ring - .submission() + ring.submission() .push(&open_e.build().user_data(USER_DATA_OPEN)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; } - self.ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring.completion().next().unwrap(); - + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; let result = cqe.result(); - - unsafe { - let path = CStr::from_ptr(self.file_path); - log::trace!( - "open {} with fd: {}", - path.to_string_lossy().to_string(), - result - ) - } + self.file_fd = Some(result); + + // TODO turn on later + // unsafe { + // let path = CStr::from_ptr(self.file_path); + // log::trace!( + // "open {} with fd: {}", + // path.to_string_lossy().to_string(), + // result + // ) + // } if result < 0 { Err(Error::new( @@ -102,24 +114,25 @@ impl Ops { format!("open_file: raw os error result: {}", -cqe.result() as i32), )) } else { - let raw_fd: RawFd = result.try_into().unwrap(); - self.file_fd = Some(raw_fd); - Ok(()) } } pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); - self.ring - .submission() + ring.submission() .push(&op.build().user_data(USER_DATA_READ)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring.completion().next().unwrap(); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, @@ -131,16 +144,20 @@ impl Ops { } pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); - self.ring - .submission() + ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring.completion().next().unwrap(); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, @@ -154,22 +171,23 @@ impl Ops { /* // TODO find io_uring op, this doesn't work pub unsafe fn o_truncate2(&mut self, size: i64) -> Result<()> { + let ring = self.ring.borrow().borrow_mut(); let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) .offset(0) // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 .mode(libc::FALLOC_FL_KEEP_SIZE); - self.ring + ring .submission() .push(&op.build().user_data(USER_DATA_FALLOCATE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring + ring .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring.completion().next().unwrap(); + let cqe = ring.completion().next().unwrap(); if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, @@ -205,32 +223,35 @@ impl Ops { } pub unsafe fn o_close(&mut self) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Close::new(fd); - self.ring - .submission() + ring.submission() .push(&op.build().user_data(USER_DATA_CLOSE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring.completion().next().unwrap(); + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + if cqe.result() < 0 { Err(Error::new( ErrorKind::Other, format!("close: raw os error result: {}", -cqe.result() as i32), )) } else { - // clean up - CString::from_raw(self.file_path); Ok(()) } } pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let mut statx_buf: libc::statx = unsafe { std::mem::zeroed() }; let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; @@ -239,37 +260,48 @@ impl Ops { .flags(libc::AT_EMPTY_PATH) .mask(libc::STATX_ALL); - self.ring - .submission() + ring.submission() .push(&statx_op.build().user_data(USER_DATA_STATX)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - unsafe { - *out = statx_buf.stx_size as u64; - } + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); - Ok(()) + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("file_size: raw os error result: {}", -cqe.result() as i32), + )) + } else { + unsafe { + *out = statx_buf.stx_size as u64; + } + + Ok(()) + } } // TODO write unit test pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let fd = types::Fd(self.file_fd.unwrap()); let op = opcode::Fsync::new(fd); - self.ring - .submission() + ring.submission() .push(&op.build().user_data(USER_DATA_FSYNC)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - self.ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = self.ring.completion().next().unwrap(); + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); if cqe.result() < 0 { Err(Error::new( @@ -291,7 +323,7 @@ impl Ops { fn init_lock(&mut self) -> Result<()> { if self.lock.is_none() { - let cstr = unsafe { CString::from_raw(self.file_path) }; + let cstr = unsafe { CStr::from_ptr(self.file_path) }; let str_result = cstr.to_str(); @@ -303,8 +335,6 @@ impl Ops { let lock = Lock::new(str)?; self.lock = Some(lock); - - cstr.into_raw(); } Ok(()) } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 3a1e8e6..1dab7d4 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -13,7 +13,7 @@ mod tests { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.clone(), 16); + let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); // Perform the open operation let result = ops.open_file(); @@ -31,6 +31,33 @@ mod tests { Ok(()) } + #[test] + fn test_create_and_close_file() -> Result<()> { + // Create a temporary file for testing + let tmpfile = tempfile::NamedTempFile::new()?; + + let mut new_file = tmpfile.path().to_string_lossy().to_string(); + new_file.push_str("-journal"); + + let mut ops = Ops::new(new_file.as_ptr().cast_mut(), 16); + + // Perform the open operation + let result = ops.open_file(); + + // Check if the operation was successful + assert!(result.is_ok()); + + unsafe { + ops.o_close()?; + std::fs::remove_file(new_file)?; + } + + // Cleanup + tmpfile.close()?; + + Ok(()) + } + #[test] fn test_read() -> Result<()> { // Create a temporary file for testing @@ -40,7 +67,7 @@ mod tests { tmpfile.write(data_to_write)?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.clone(), 16); + let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); // Perform the open operation ops.open_file()?; @@ -66,7 +93,7 @@ mod tests { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.clone(), 16); + let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); // Perform the open operation ops.open_file()?; @@ -98,7 +125,7 @@ mod tests { let data_to_write = b"Hello, World!"; tmpfile.write(data_to_write)?; - let mut ops = Ops::new(file_path.clone(), 16); + let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); // Perform the open operation ops.open_file()?; @@ -122,7 +149,7 @@ mod tests { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.clone(), 16); + let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); // Perform the open operation ops.open_file()?; From fe470ebf5b17d5e04bdf051c61b18590f5e76e1f Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 04:57:41 +0100 Subject: [PATCH 115/142] update deps --- benchmarks/vfs/io_uring/Cargo.lock | 213 ++++++++++++++++++++--------- 1 file changed, 150 insertions(+), 63 deletions(-) diff --git a/benchmarks/vfs/io_uring/Cargo.lock b/benchmarks/vfs/io_uring/Cargo.lock index 90f8240..f67e550 100644 --- a/benchmarks/vfs/io_uring/Cargo.lock +++ b/benchmarks/vfs/io_uring/Cargo.lock @@ -4,13 +4,14 @@ version = 3 [[package]] name = "ahash" -version = "0.8.3" +version = "0.8.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f" +checksum = "91429305e9f0a25f6205c5b8e0d2db09e0708a7a6df0f42212bb56c32c8ac97a" dependencies = [ "cfg-if", "once_cell", "version_check", + "zerocopy", ] [[package]] @@ -76,9 +77,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" [[package]] name = "bitflags" -version = "2.4.0" +version = "2.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635" +checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07" [[package]] name = "cc" @@ -160,12 +161,12 @@ dependencies = [ [[package]] name = "errno" -version = "0.3.5" +version = "0.3.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ac3e13f66a2f95e32a39eaa81f6b95d42878ca0e1db0c7543723dfe12557e860" +checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245" dependencies = [ "libc", - "windows-sys", + "windows-sys 0.52.0", ] [[package]] @@ -188,9 +189,9 @@ checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5" [[package]] name = "getrandom" -version = "0.2.10" +version = "0.2.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427" +checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f" dependencies = [ "cfg-if", "libc", @@ -211,9 +212,9 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888" [[package]] name = "hashbrown" -version = "0.14.1" +version = "0.14.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7dfda62a12f55daeae5015f81b0baea145391cb4520f86c248fc615d72640d12" +checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604" dependencies = [ "ahash", "allocator-api2", @@ -225,7 +226,7 @@ version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7" dependencies = [ - "hashbrown 0.14.1", + "hashbrown 0.14.3", ] [[package]] @@ -249,7 +250,7 @@ version = "0.5.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb" dependencies = [ - "windows-sys", + "windows-sys 0.48.0", ] [[package]] @@ -280,9 +281,9 @@ dependencies = [ [[package]] name = "itoa" -version = "1.0.9" +version = "1.0.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38" +checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c" [[package]] name = "lazy_static" @@ -298,9 +299,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55" [[package]] name = "libc" -version = "0.2.149" +version = "0.2.150" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b" +checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c" [[package]] name = "libloading" @@ -325,9 +326,9 @@ dependencies = [ [[package]] name = "linux-raw-sys" -version = "0.4.10" +version = "0.4.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f" +checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456" [[package]] name = "log" @@ -359,15 +360,15 @@ dependencies = [ [[package]] name = "once_cell" -version = "1.18.0" +version = "1.19.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d" +checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92" [[package]] name = "os_str_bytes" -version = "6.5.1" +version = "6.6.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4d5d9eb14b174ee9aa2ef96dc2b94637a2d4b6e7cb873c7e171f0c20c6cf3eac" +checksum = "e2355d85b9a3786f481747ced0e0ff2ba35213a1f9bd406ed906554d7af805a1" [[package]] name = "peeking_take_while" @@ -389,9 +390,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de" [[package]] name = "proc-macro2" -version = "1.0.69" +version = "1.0.70" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da" +checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b" dependencies = [ "unicode-ident", ] @@ -437,18 +438,18 @@ dependencies = [ [[package]] name = "redox_syscall" -version = "0.3.5" +version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29" +checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa" dependencies = [ "bitflags 1.3.2", ] [[package]] name = "regex" -version = "1.10.0" +version = "1.10.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d119d7c7ca818f8a53c300863d4f87566aac09943aef5b355bb83969dae75d87" +checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343" dependencies = [ "aho-corasick", "memchr", @@ -458,9 +459,9 @@ dependencies = [ [[package]] name = "regex-automata" -version = "0.4.0" +version = "0.4.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5d58da636bd923eae52b7e9120271cbefb16f399069ee566ca5ebf9c30e32238" +checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f" dependencies = [ "aho-corasick", "memchr", @@ -469,9 +470,9 @@ dependencies = [ [[package]] name = "regex-syntax" -version = "0.8.0" +version = "0.8.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c3cbb081b9784b07cceb8824c8583f86db4814d172ab043f3c23f7dc600bf83d" +checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f" [[package]] name = "rusqlite" @@ -479,7 +480,7 @@ version = "0.29.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "549b9d036d571d42e6e85d1c1425e2ac83491075078ca9a15be021c56b1641f2" dependencies = [ - "bitflags 2.4.0", + "bitflags 2.4.1", "fallible-iterator", "fallible-streaming-iterator", "hashlink", @@ -495,15 +496,15 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2" [[package]] name = "rustix" -version = "0.38.18" +version = "0.38.27" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5a74ee2d7c2581cd139b42447d7d9389b889bdaad3a73f1ebb16f2a3237bb19c" +checksum = "bfeae074e687625746172d639330f1de242a178bf3189b51e35a7a21573513ac" dependencies = [ - "bitflags 2.4.0", + "bitflags 2.4.1", "errno", "libc", "linux-raw-sys", - "windows-sys", + "windows-sys 0.52.0", ] [[package]] @@ -520,29 +521,29 @@ checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741" [[package]] name = "serde" -version = "1.0.188" +version = "1.0.193" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e" +checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89" dependencies = [ "serde_derive", ] [[package]] name = "serde_derive" -version = "1.0.188" +version = "1.0.193" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2" +checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3" dependencies = [ "proc-macro2", "quote", - "syn 2.0.38", + "syn 2.0.39", ] [[package]] name = "serde_json" -version = "1.0.107" +version = "1.0.108" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65" +checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b" dependencies = [ "itoa", "ryu", @@ -557,9 +558,9 @@ checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380" [[package]] name = "smallvec" -version = "1.11.1" +version = "1.11.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a" +checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970" [[package]] name = "sqlite-loadable" @@ -631,7 +632,7 @@ dependencies = [ "proc-macro2", "quote", "rustversion", - "syn 2.0.38", + "syn 2.0.39", ] [[package]] @@ -647,9 +648,9 @@ dependencies = [ [[package]] name = "syn" -version = "2.0.38" +version = "2.0.39" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b" +checksum = "23e78b90f2fcf45d3e842032ce32e3f2d1545ba6636271dcbf24fa306d87be7a" dependencies = [ "proc-macro2", "quote", @@ -658,22 +659,22 @@ dependencies = [ [[package]] name = "tempfile" -version = "3.8.0" +version = "3.8.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cb94d2f3cc536af71caac6b6fcebf65860b347e7ce0cc9ebe8f70d3e521054ef" +checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5" dependencies = [ "cfg-if", "fastrand", "redox_syscall", "rustix", - "windows-sys", + "windows-sys 0.48.0", ] [[package]] name = "termcolor" -version = "1.3.0" +version = "1.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6093bad37da69aab9d123a8091e4be0aa4a03e4d601ec641c327398315f62b64" +checksum = "ff1bc3d3f05aff0403e8ac0d92ced918ec05b666a43f83297ccef5bea8a3d449" dependencies = [ "winapi-util", ] @@ -757,7 +758,16 @@ version = "0.48.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9" dependencies = [ - "windows-targets", + "windows-targets 0.48.5", +] + +[[package]] +name = "windows-sys" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d" +dependencies = [ + "windows-targets 0.52.0", ] [[package]] @@ -766,13 +776,28 @@ version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c" dependencies = [ - "windows_aarch64_gnullvm", - "windows_aarch64_msvc", - "windows_i686_gnu", - "windows_i686_msvc", - "windows_x86_64_gnu", - "windows_x86_64_gnullvm", - "windows_x86_64_msvc", + "windows_aarch64_gnullvm 0.48.5", + "windows_aarch64_msvc 0.48.5", + "windows_i686_gnu 0.48.5", + "windows_i686_msvc 0.48.5", + "windows_x86_64_gnu 0.48.5", + "windows_x86_64_gnullvm 0.48.5", + "windows_x86_64_msvc 0.48.5", +] + +[[package]] +name = "windows-targets" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd" +dependencies = [ + "windows_aarch64_gnullvm 0.52.0", + "windows_aarch64_msvc 0.52.0", + "windows_i686_gnu 0.52.0", + "windows_i686_msvc 0.52.0", + "windows_x86_64_gnu 0.52.0", + "windows_x86_64_gnullvm 0.52.0", + "windows_x86_64_msvc 0.52.0", ] [[package]] @@ -781,38 +806,100 @@ version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8" +[[package]] +name = "windows_aarch64_gnullvm" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea" + [[package]] name = "windows_aarch64_msvc" version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc" +[[package]] +name = "windows_aarch64_msvc" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef" + [[package]] name = "windows_i686_gnu" version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e" +[[package]] +name = "windows_i686_gnu" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313" + [[package]] name = "windows_i686_msvc" version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406" +[[package]] +name = "windows_i686_msvc" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a" + [[package]] name = "windows_x86_64_gnu" version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e" +[[package]] +name = "windows_x86_64_gnu" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd" + [[package]] name = "windows_x86_64_gnullvm" version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc" +[[package]] +name = "windows_x86_64_gnullvm" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e" + [[package]] name = "windows_x86_64_msvc" version = "0.48.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538" + +[[package]] +name = "windows_x86_64_msvc" +version = "0.52.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04" + +[[package]] +name = "zerocopy" +version = "0.7.30" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "306dca4455518f1f31635ec308b6b3e4eb1b11758cefafc782827d0aa7acb5c7" +dependencies = [ + "zerocopy-derive", +] + +[[package]] +name = "zerocopy-derive" +version = "0.7.30" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "be912bf68235a88fbefd1b73415cb218405958d1655b2ece9035a19920bdf6ba" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.39", +] From ac381a1f68e9aa937e88773dea471b0d61ec738c Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 04:59:54 +0100 Subject: [PATCH 116/142] change ftruncate to truncate that uses the file path because ftruncate return -1 with the fd that io_uring returns --- benchmarks/vfs/io_uring/src/ops.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 0f1ae88..e7a7d67 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -198,8 +198,10 @@ impl Ops { } */ + // TODO reimplement as a file resize pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { - let result = libc::ftruncate(self.file_fd.unwrap(), size); + // libc::ftruncate using self.file_fd returns -1 + let result = libc::truncate(self.file_path, size); if result != 0 { Err(Error::new( ErrorKind::Other, From 34c58b0636e0ff731bab1f37cdddf79ca001dd55 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 05:25:13 +0100 Subject: [PATCH 117/142] Some op tests were false positives, write and truncate are being difficult, might Docker be the cause? --- benchmarks/vfs/io_uring/src/ops.rs | 49 ++++++++++++----------- benchmarks/vfs/io_uring/tests/test_ops.rs | 11 ++++- 2 files changed, 35 insertions(+), 25 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index e7a7d67..148588c 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -69,6 +69,9 @@ impl Ops { // TODO investigate as premature optimization: add O_DIRECT and O_SYNC parameters for systems that actually support it // TODO investigate o_TMPFILE for .journal, .wal etc. and disable vfs DELETE event + // Things I tried to avoid the -9, invalid fd, [EBADDF](https://www.javatpoint.com/linux-error-codes) + // * open twice + // * submitter().register_sparse ... 2, submitter().unregister_files() pub fn open_file(&mut self) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); @@ -111,7 +114,7 @@ impl Ops { if result < 0 { Err(Error::new( ErrorKind::Other, - format!("open_file: raw os error result: {}", -cqe.result() as i32), + format!("open_file: raw os error result: {}", -result as i32), )) } else { Ok(()) @@ -133,10 +136,10 @@ impl Ops { let cqe = &cqes.as_slice()[0]; let result = cqe.result(); - if cqe.result() < 0 { + if result < 0 { Err(Error::new( ErrorKind::Other, - format!("read: raw os error result: {}", -cqe.result() as i32), + format!("read: raw os error result: {}", -result as i32), )) } else { Ok(()) @@ -158,25 +161,22 @@ impl Ops { let cqe = &cqes.as_slice()[0]; let result = cqe.result(); - if cqe.result() < 0 { + if result < 0 { Err(Error::new( ErrorKind::Other, - format!("write: raw os error result: {}", -cqe.result() as i32), + format!("write: raw os error result: {}", -result as i32), )) } else { Ok(()) } } - /* - // TODO find io_uring op, this doesn't work - pub unsafe fn o_truncate2(&mut self, size: i64) -> Result<()> { - let ring = self.ring.borrow().borrow_mut(); + pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + let fd = types::Fd(self.file_fd.unwrap()); let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) - .offset(0) - // https://github.com/torvalds/linux/blob/633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7/include/uapi/linux/falloc.h#L5 - .mode(libc::FALLOC_FL_KEEP_SIZE); + .offset(0); ring .submission() @@ -187,19 +187,21 @@ impl Ops { .submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; - let cqe = ring.completion().next().unwrap(); - if cqe.result() < 0 { + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { Err(Error::new( ErrorKind::Other, - format!("truncate2: raw os error result: {}", -cqe.result() as i32), + format!("truncate: raw os error result: {}", -result as i32), ))?; } Ok(()) } - */ - // TODO reimplement as a file resize - pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + /* + pub unsafe fn o_truncate2(&mut self, size: i64) -> Result<()> { // libc::ftruncate using self.file_fd returns -1 let result = libc::truncate(self.file_path, size); if result != 0 { @@ -211,6 +213,7 @@ impl Ops { Ok(()) } } + */ // SQLite Documentation: // Implement this function to read data from the file at the specified offset and store it in `buf_out`. @@ -241,10 +244,10 @@ impl Ops { let cqe = &cqes.as_slice()[0]; let result = cqe.result(); - if cqe.result() < 0 { + if result < 0 { Err(Error::new( ErrorKind::Other, - format!("close: raw os error result: {}", -cqe.result() as i32), + format!("close: raw os error result: {}", -result as i32), )) } else { Ok(()) @@ -276,7 +279,7 @@ impl Ops { if result < 0 { Err(Error::new( ErrorKind::Other, - format!("file_size: raw os error result: {}", -cqe.result() as i32), + format!("file_size: raw os error result: {}", -result as i32), )) } else { unsafe { @@ -305,10 +308,10 @@ impl Ops { let cqe = &cqes.as_slice()[0]; let result = cqe.result(); - if cqe.result() < 0 { + if result < 0 { Err(Error::new( ErrorKind::Other, - format!("fsync: raw os error result: {}", -cqe.result() as i32), + format!("fsync: raw os error result: {}", -result as i32), )) } else { Ok(()) diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 1dab7d4..1dc1af8 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -32,7 +32,7 @@ mod tests { } #[test] - fn test_create_and_close_file() -> Result<()> { + fn test_create_write_close_file() -> Result<()> { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; @@ -41,12 +41,19 @@ mod tests { let mut ops = Ops::new(new_file.as_ptr().cast_mut(), 16); - // Perform the open operation + // Perform the open operation to create the file let result = ops.open_file(); // Check if the operation was successful assert!(result.is_ok()); + // Write data to the file + let data_to_write = b"Hello, World!"; + unsafe { ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13) }?; + + // Check if the operation was successful + assert!(result.is_ok()); + unsafe { ops.o_close()?; std::fs::remove_file(new_file)?; From a722dc9055e88292dc90d0c4eb0dc32d5c6a328e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 05:54:16 +0100 Subject: [PATCH 118/142] cast regardless of arm(64) or x86_64 arch, resp. u8, i8 --- benchmarks/vfs/io_uring/src/lib.rs | 2 +- benchmarks/vfs/io_uring/src/ops.rs | 14 +++++++------- benchmarks/vfs/io_uring/tests/test_ops.rs | 12 ++++++------ 3 files changed, 14 insertions(+), 14 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index e7a9aec..4b398b8 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -63,7 +63,7 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let mut uring_ops = Ops::from_rc_refcell_ring(z_name as *mut u8, self.ring.clone()); + let mut uring_ops = Ops::from_rc_refcell_ring(z_name as *mut _, self.ring.clone()); let file_name = unsafe { CStr::from_ptr(z_name).to_str().unwrap() }; diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 148588c..64eacff 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -43,7 +43,7 @@ const USER_DATA_FSYNC: u64 = 0x7; // Tested on kernels 5.15.49, 6.3.13 pub struct Ops { ring: Rc>, - file_path: *mut u8, + file_path: *const char, file_fd: Option, lock: Option, file_name: String, // debugging @@ -51,19 +51,19 @@ pub struct Ops { impl Ops { // Used for tests - pub fn new(file_path: *mut u8, ring_size: u32) -> Self { + pub fn new(file_path: *const char, ring_size: u32) -> Self { let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).unwrap())); Self::from_rc_refcell_ring(file_path, ring) } - pub fn from_rc_refcell_ring(file_path: *mut u8, ring: Rc>) -> Self { + pub fn from_rc_refcell_ring(file_path: *const char, ring: Rc>) -> Self { Ops { ring, file_path, file_fd: None, lock: None, - file_name: unsafe { CStr::from_ptr(file_path).to_str().unwrap().to_string() }, + file_name: unsafe { CStr::from_ptr(file_path as *const _).to_str().unwrap().to_string() }, } } @@ -85,7 +85,7 @@ impl Ops { .flags(flags) .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); - let open_e: opcode::OpenAt2 = opcode::OpenAt2::new(dirfd, self.file_path, &openhow); + let open_e: opcode::OpenAt2 = opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow); unsafe { ring.submission() @@ -261,7 +261,7 @@ impl Ops { let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; let dirfd = types::Fd(libc::AT_FDCWD); - let statx_op = opcode::Statx::new(dirfd, self.file_path, statx_buf_ptr as *mut _) + let statx_op = opcode::Statx::new(dirfd, self.file_path as *const _, statx_buf_ptr as *mut _) .flags(libc::AT_EMPTY_PATH) .mask(libc::STATX_ALL); @@ -328,7 +328,7 @@ impl Ops { fn init_lock(&mut self) -> Result<()> { if self.lock.is_none() { - let cstr = unsafe { CStr::from_ptr(self.file_path) }; + let cstr = unsafe { CStr::from_ptr(self.file_path as *const _) }; let str_result = cstr.to_str(); diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 1dc1af8..c3dd7de 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -13,7 +13,7 @@ mod tests { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); + let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation let result = ops.open_file(); @@ -39,7 +39,7 @@ mod tests { let mut new_file = tmpfile.path().to_string_lossy().to_string(); new_file.push_str("-journal"); - let mut ops = Ops::new(new_file.as_ptr().cast_mut(), 16); + let mut ops = Ops::new(new_file.as_ptr() as *const _, 16); // Perform the open operation to create the file let result = ops.open_file(); @@ -74,7 +74,7 @@ mod tests { tmpfile.write(data_to_write)?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); + let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation ops.open_file()?; @@ -100,7 +100,7 @@ mod tests { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); + let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation ops.open_file()?; @@ -132,7 +132,7 @@ mod tests { let data_to_write = b"Hello, World!"; tmpfile.write(data_to_write)?; - let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); + let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation ops.open_file()?; @@ -156,7 +156,7 @@ mod tests { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr().cast_mut(), 16); + let mut ops = Ops::new(file_path.as_ptr() as *const char, 16); // Perform the open operation ops.open_file()?; From 58aab2da09f1039608a8acc9718254b648390176 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 05:56:56 +0100 Subject: [PATCH 119/142] tested separately on vm x86_64 debian, and docker arm64 apple ubuntu, both fail write and truncate tests From a5a05029ef385763f2b7e907bd734d664bf821cc Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 06:24:58 +0100 Subject: [PATCH 120/142] removed sqlite3_file parameter from file trait functions again --- benchmarks/vfs/io_uring/src/ops.rs | 81 +++++++++-------------- benchmarks/vfs/io_uring/tests/test_ops.rs | 2 +- include/mem_vfs.in.rs | 36 +++++----- src/vfs/file.rs | 36 +++++----- src/vfs/shim.rs | 32 ++++----- src/vfs/traits.rs | 30 ++++----- 6 files changed, 96 insertions(+), 121 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 64eacff..1990e4c 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -63,7 +63,12 @@ impl Ops { file_path, file_fd: None, lock: None, - file_name: unsafe { CStr::from_ptr(file_path as *const _).to_str().unwrap().to_string() }, + file_name: unsafe { + CStr::from_ptr(file_path as *const _) + .to_str() + .unwrap() + .to_string() + }, } } @@ -85,7 +90,8 @@ impl Ops { .flags(flags) .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); - let open_e: opcode::OpenAt2 = opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow); + let open_e: opcode::OpenAt2 = + opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow); unsafe { ring.submission() @@ -175,16 +181,13 @@ impl Ops { let mut ring = self.ring.as_ref().borrow_mut(); let fd = types::Fd(self.file_fd.unwrap()); - let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()) - .offset(0); + let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()).offset(0); - ring - .submission() + ring.submission() .push(&op.build().user_data(USER_DATA_FALLOCATE)) .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; - ring - .submit_and_wait(1) + ring.submit_and_wait(1) .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; let cqes: Vec = ring.completion().map(Into::into).collect(); @@ -261,9 +264,10 @@ impl Ops { let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; let dirfd = types::Fd(libc::AT_FDCWD); - let statx_op = opcode::Statx::new(dirfd, self.file_path as *const _, statx_buf_ptr as *mut _) - .flags(libc::AT_EMPTY_PATH) - .mask(libc::STATX_ALL); + let statx_op = + opcode::Statx::new(dirfd, self.file_path as *const _, statx_buf_ptr as *mut _) + .flags(libc::AT_EMPTY_PATH) + .mask(libc::STATX_ALL); ring.submission() .push(&statx_op.build().user_data(USER_DATA_STATX)) @@ -364,59 +368,53 @@ impl Ops { // TODO remove *mut sqlite3_file impl SqliteIoMethods for Ops { - fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { + fn close(&mut self) -> Result<()> { log::trace!("file close"); unsafe { self.o_close() } } - fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { log::trace!("file read"); unsafe { self.o_read(ofst as u64, s as u32, buf) } } - fn write( - &mut self, - file: *mut sqlite3_file, - buf: *const c_void, - s: i32, - ofst: i64, - ) -> Result<()> { + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { log::trace!("file write"); unsafe { self.o_write(buf, ofst as u64, s as u32) } } - fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { + fn truncate(&mut self, size: i64) -> Result<()> { log::trace!("file truncate"); unsafe { self.o_truncate(size) } } - fn sync(&mut self, file: *mut sqlite3_file, flags: i32) -> Result<()> { + fn sync(&mut self, flags: i32) -> Result<()> { log::trace!("file sync"); unsafe { self.o_fsync(flags) } } - fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()> { + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { log::trace!("file size"); unsafe { self.o_file_size(p_size as *mut u64) } } - fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + fn lock(&mut self, arg2: i32) -> Result { log::trace!("file lock"); self.lock_or_unlock(arg2) } - fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + fn unlock(&mut self, arg2: i32) -> Result { log::trace!("file unlock"); self.lock_or_unlock(arg2) } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { log::trace!("file check reserved lock"); let lock_reserved = self.lock_reserved()?; @@ -428,17 +426,17 @@ impl SqliteIoMethods for Ops { /// See https://www.sqlite.org/c3ref/file_control.html /// and also https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html - fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { log::trace!("file control"); Ok(()) } - fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { + fn sector_size(&mut self) -> Result { log::trace!("sector size"); Ok(1024) } - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { + fn device_characteristics(&mut self) -> Result { log::trace!("device characteristics"); let x = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE @@ -447,47 +445,34 @@ impl SqliteIoMethods for Ops { Ok(x) } - fn shm_map( - &mut self, - file: *mut sqlite3_file, - i_pg: i32, - pgsz: i32, - arg2: i32, - arg3: *mut *mut c_void, - ) -> Result<()> { + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { log::trace!("shm map"); Ok(()) } - fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { log::trace!("shm lock"); Ok(()) } - fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { + fn shm_barrier(&mut self) -> Result<()> { log::trace!("shm barrier"); Ok(()) } - fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: i32) -> Result<()> { + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { log::trace!("shm unmap"); Ok(()) } - fn fetch( - &mut self, - file: *mut sqlite3_file, - ofst: i64, - size: i32, - pp: *mut *mut c_void, - ) -> Result<()> { + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { unsafe { log::trace!("file fetch"); self.o_fetch(ofst as u64, size as u32, pp) } } - fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { log::trace!("file unfetch"); Ok(()) } diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index c3dd7de..c693319 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -156,7 +156,7 @@ mod tests { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr() as *const char, 16); + let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation ops.open_file()?; diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index 7b39bf7..edbcf0b 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -157,11 +157,11 @@ struct MemFile { } impl SqliteIoMethods for MemFile { - fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { + fn close(&mut self) -> Result<()> { Ok(()) } - fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { let size: usize = s.try_into().unwrap(); let offset = ofst.try_into().unwrap(); let source = &mut self.file_contents; @@ -178,7 +178,7 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn write(&mut self, file: *mut sqlite3_file, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { let size = s.try_into().unwrap(); let offset = ofst.try_into().unwrap(); let new_length = size + offset; @@ -195,43 +195,43 @@ impl SqliteIoMethods for MemFile { Ok(()) } - fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { + fn truncate(&mut self, size: i64) -> Result<()> { self.file_contents.resize(size.try_into().unwrap(), 0); Ok(()) } - fn sync(&mut self, file: *mut sqlite3_file, flags: i32) -> Result<()> { + fn sync(&mut self, flags: i32) -> Result<()> { Ok(()) } - fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()> { + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { unsafe { *p_size = self.file_contents.len().try_into().unwrap(); } Ok(()) } - fn lock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + fn lock(&mut self, arg2: i32) -> Result { Ok(0) // or SQLITE_LOCK_BUSY } - fn unlock(&mut self, file: *mut sqlite3_file, arg2: i32) -> Result { + fn unlock(&mut self, arg2: i32) -> Result { Ok(0) } - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut i32) -> Result<()> { + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { unsafe{ *p_res_out = 0; } Ok(()) } - fn file_control(&mut self, file: *mut sqlite3_file, op: i32, p_arg: *mut c_void) -> Result<()> { + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { Ok(()) } - fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { + fn sector_size(&mut self) -> Result { Ok(1024) } - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { + fn device_characteristics(&mut self) -> Result { let settings = SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | @@ -240,31 +240,31 @@ impl SqliteIoMethods for MemFile { Ok(settings) } - fn shm_map(&mut self, file: *mut sqlite3_file, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { // SQLITE_IOERR_SHMMAP Err(Error::new(ErrorKind::Other, "Unsupported")) } - fn shm_lock(&mut self, file: *mut sqlite3_file, offset: i32, n: i32, flags: i32) -> Result<()> { + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { // SQLITE_IOERR_SHMLOCK Err(Error::new(ErrorKind::Other, "Unsupported")) } - fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { + fn shm_barrier(&mut self) -> Result<()> { Ok(()) } - fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: i32) -> Result<()> { + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { Ok(()) } - fn fetch(&mut self, file: *mut sqlite3_file, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { let memory_location = self.file_contents.as_mut_ptr(); unsafe { *pp = memory_location.add(ofst.try_into().unwrap()).cast(); } Ok(()) } - fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { Ok(()) } } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index a9b54de..eefa49c 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -23,7 +23,7 @@ use super::vfs::handle_int; unsafe extern "C" fn x_close(file: *mut sqlite3_file) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.close(file); + let result = aux.close(); handle_error(result, Some(SQLITE_IOERR_CLOSE)) } @@ -35,7 +35,7 @@ unsafe extern "C" fn x_read( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.read(file, buf, iAmt, iOfst); + let result = aux.read(buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_READ)) } @@ -47,7 +47,7 @@ unsafe extern "C" fn x_write( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.write(file, buf, iAmt, iOfst); + let result = aux.write(buf, iAmt, iOfst); handle_error(result, Some(SQLITE_IOERR_WRITE)) } @@ -57,14 +57,14 @@ unsafe extern "C" fn x_truncate( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.truncate(file, size); + let result = aux.truncate(size); handle_error(result, Some(SQLITE_IOERR_TRUNCATE)) } unsafe extern "C" fn x_sync(file: *mut sqlite3_file, flags: c_int) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.sync(file, flags); + let result = aux.sync(flags); handle_error(result, Some(SQLITE_IOERR_FSYNC)) } @@ -74,21 +74,21 @@ unsafe extern "C" fn x_file_size( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.file_size(file, pSize); + let result = aux.file_size(pSize); handle_error(result, Some(SQLITE_IOERR_FSTAT)) } unsafe extern "C" fn x_lock(file: *mut sqlite3_file, arg2: c_int) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.lock(file, arg2); + let result = aux.lock(arg2); handle_int(result, Some(SQLITE_IOERR_LOCK)) } unsafe extern "C" fn x_unlock(file: *mut sqlite3_file, arg2: c_int) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.unlock(file, arg2); + let result = aux.unlock(arg2); handle_int(result, Some(SQLITE_IOERR_UNLOCK)) } @@ -98,7 +98,7 @@ unsafe extern "C" fn x_check_reserved_lock( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.check_reserved_lock(file, pResOut); + let result = aux.check_reserved_lock(pResOut); handle_error(result, None) } @@ -109,14 +109,14 @@ unsafe extern "C" fn x_file_control( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.file_control(file, op, pArg); + let result = aux.file_control(op, pArg); handle_error(result, None) } unsafe extern "C" fn x_sector_size(file: *mut sqlite3_file) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.sector_size(file); + let result = aux.sector_size(); handle_int(result, None) } @@ -125,7 +125,7 @@ unsafe extern "C" fn x_device_characteristics( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.device_characteristics(file); + let result = aux.device_characteristics(); handle_int(result, None) } @@ -138,7 +138,7 @@ unsafe extern "C" fn x_shm_map( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.shm_map(file, iPg, pgsz, arg2, arg3); + let result = aux.shm_map(iPg, pgsz, arg2, arg3); handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } @@ -150,14 +150,14 @@ unsafe extern "C" fn x_shm_lock( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.shm_lock(file, offset, n, flags); + let result = aux.shm_lock(offset, n, flags); handle_error(result, Some(SQLITE_IOERR_SHMLOCK)) } unsafe extern "C" fn x_shm_barrier(file: *mut sqlite3_file) { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.shm_barrier(file); + let result = aux.shm_barrier(); } unsafe extern "C" fn x_shm_unmap( @@ -166,7 +166,7 @@ unsafe extern "C" fn x_shm_unmap( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.shm_unmap(file, deleteFlag); + let result = aux.shm_unmap(deleteFlag); handle_error(result, Some(SQLITE_IOERR_SHMMAP)) } @@ -178,7 +178,7 @@ unsafe extern "C" fn x_fetch( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.fetch(file, iOfst, iAmt, pp); + let result = aux.fetch(iOfst, iAmt, pp); handle_error(result, None) } @@ -189,7 +189,7 @@ unsafe extern "C" fn x_unfetch( ) -> c_int { let mut f = &mut *file.cast::>(); let mut aux = f.aux.assume_init_mut(); - let result = aux.unfetch(file, iOfst, p); + let result = aux.unfetch(iOfst, p); handle_error(result, None) } diff --git a/src/vfs/shim.rs b/src/vfs/shim.rs index b11b3ae..12bed5b 100644 --- a/src/vfs/shim.rs +++ b/src/vfs/shim.rs @@ -270,7 +270,7 @@ impl ShimFile { } impl SqliteIoMethods for ShimFile { - fn close(&mut self, file: *mut sqlite3_file) -> Result<()> { + fn close(&mut self) -> Result<()> { unsafe { if let Some(xClose) = ((*self.methods_ptr).xClose) { let result = xClose(self.file_ptr); @@ -291,7 +291,7 @@ impl SqliteIoMethods for ShimFile { } } - fn read(&mut self, file: *mut sqlite3_file, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { unsafe { if let Some(xRead) = ((*self.methods_ptr).xRead) { let result = xRead(self.file_ptr, buf, s, ofst); @@ -314,7 +314,6 @@ impl SqliteIoMethods for ShimFile { fn write( &mut self, - file: *mut sqlite3_file, buf: *const c_void, i_amt: i32, i_ofst: i64, @@ -339,7 +338,7 @@ impl SqliteIoMethods for ShimFile { } } - fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()> { + fn truncate(&mut self, size: i64) -> Result<()> { unsafe { if let Some(xTruncate) = ((*self.methods_ptr).xTruncate) { let result = xTruncate(self.file_ptr, size); @@ -360,7 +359,7 @@ impl SqliteIoMethods for ShimFile { } } - fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()> { + fn sync(&mut self, flags: c_int) -> Result<()> { unsafe { if let Some(xSync) = ((*self.methods_ptr).xSync) { let result = xSync(self.file_ptr, flags); @@ -381,7 +380,7 @@ impl SqliteIoMethods for ShimFile { } } - fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut sqlite3_int64) -> Result<()> { + fn file_size(&mut self, p_size: *mut sqlite3_int64) -> Result<()> { unsafe { if let Some(xFileSize) = ((*self.methods_ptr).xFileSize) { let result = xFileSize(self.file_ptr, p_size); @@ -402,7 +401,7 @@ impl SqliteIoMethods for ShimFile { } } - fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result { + fn lock(&mut self, arg2: c_int) -> Result { unsafe { if let Some(xLock) = ((*self.methods_ptr).xLock) { Ok(xLock(self.file_ptr, arg2)) @@ -415,7 +414,7 @@ impl SqliteIoMethods for ShimFile { } } - fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result { + fn unlock(&mut self, arg2: c_int) -> Result { unsafe { if let Some(xUnlock) = ((*self.methods_ptr).xUnlock) { Ok(xUnlock(self.file_ptr, arg2)) @@ -430,7 +429,6 @@ impl SqliteIoMethods for ShimFile { fn check_reserved_lock( &mut self, - file: *mut sqlite3_file, p_res_out: *mut c_int, ) -> Result<()> { unsafe { @@ -448,7 +446,6 @@ impl SqliteIoMethods for ShimFile { fn file_control( &mut self, - file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void, ) -> Result<()> { @@ -472,7 +469,7 @@ impl SqliteIoMethods for ShimFile { } } - fn sector_size(&mut self, file: *mut sqlite3_file) -> Result { + fn sector_size(&mut self) -> Result { unsafe { if let Some(xSectorSize) = ((*self.methods_ptr).xSectorSize) { Ok(xSectorSize(self.file_ptr)) @@ -482,7 +479,7 @@ impl SqliteIoMethods for ShimFile { } } - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result { + fn device_characteristics(&mut self) -> Result { unsafe { if let Some(xDeviceCharacteristics) = ((*self.methods_ptr).xDeviceCharacteristics) { Ok(xDeviceCharacteristics(self.file_ptr)) @@ -497,7 +494,6 @@ impl SqliteIoMethods for ShimFile { fn shm_map( &mut self, - file: *mut sqlite3_file, i_pg: c_int, pgsz: c_int, arg2: c_int, @@ -525,7 +521,7 @@ impl SqliteIoMethods for ShimFile { fn shm_lock( &mut self, - file: *mut sqlite3_file, + offset: c_int, n: c_int, flags: c_int, @@ -550,7 +546,7 @@ impl SqliteIoMethods for ShimFile { } } - fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()> { + fn shm_barrier(&mut self) -> Result<()> { unsafe { if let Some(xShmBarrier) = ((*self.methods_ptr).xShmBarrier) { xShmBarrier(self.file_ptr); @@ -564,7 +560,7 @@ impl SqliteIoMethods for ShimFile { } } - fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: c_int) -> Result<()> { + fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()> { unsafe { if let Some(xShmUnmap) = ((*self.methods_ptr).xShmUnmap) { let result = xShmUnmap(self.file_ptr, delete_flag); @@ -587,7 +583,7 @@ impl SqliteIoMethods for ShimFile { fn fetch( &mut self, - file: *mut sqlite3_file, + i_ofst: i64, i_amt: i32, pp: *mut *mut c_void, @@ -612,7 +608,7 @@ impl SqliteIoMethods for ShimFile { } } - fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()> { + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { unsafe { if let Some(xUnfetch) = ((*self.methods_ptr).xUnfetch) { let result = xUnfetch(self.file_ptr, i_ofst, p); diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index faaeb4b..ad082fa 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -13,50 +13,46 @@ use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_vfs}; // TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement pub trait SqliteIoMethods { - fn close(&mut self, file: *mut sqlite3_file) -> Result<()>; + fn close(&mut self) -> Result<()>; fn read( &mut self, - file: *mut sqlite3_file, buf: *mut c_void, i_amt: i32, i_ofst: i64, ) -> Result<()>; fn write( &mut self, - file: *mut sqlite3_file, buf: *const c_void, i_amt: i32, i_ofst: i64, ) -> Result<()>; - fn truncate(&mut self, file: *mut sqlite3_file, size: i64) -> Result<()>; - fn sync(&mut self, file: *mut sqlite3_file, flags: c_int) -> Result<()>; - fn file_size(&mut self, file: *mut sqlite3_file, p_size: *mut i64) -> Result<()>; + fn truncate(&mut self, size: i64) -> Result<()>; + fn sync(&mut self, flags: c_int) -> Result<()>; + fn file_size(&mut self, p_size: *mut i64) -> Result<()>; /// Lock the database. Returns whether the requested lock could be acquired. /// Locking sequence: /// - The lock is never moved from [LockKind::None] to anything higher than [LockKind::Shared]. /// - A [LockKind::Pending] is never requested explicitly. /// - A [LockKind::Shared] is always held when a [LockKind::Reserved] lock is requested - fn lock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result; + fn lock(&mut self, arg2: c_int) -> Result; /// Unlock the database. - fn unlock(&mut self, file: *mut sqlite3_file, arg2: c_int) -> Result; + fn unlock(&mut self, arg2: c_int) -> Result; /// Check if the database this handle points to holds a [LockKind::Reserved], /// [LockKind::Pending] or [LockKind::Exclusive] lock. - fn check_reserved_lock(&mut self, file: *mut sqlite3_file, p_res_out: *mut c_int) + fn check_reserved_lock(&mut self, p_res_out: *mut c_int) -> Result<()>; fn file_control( &mut self, - file: *mut sqlite3_file, op: c_int, p_arg: *mut c_void, ) -> Result<()>; - fn sector_size(&mut self, file: *mut sqlite3_file) -> Result; - fn device_characteristics(&mut self, file: *mut sqlite3_file) -> Result; + fn sector_size(&mut self) -> Result; + fn device_characteristics(&mut self) -> Result; fn shm_map( &mut self, - file: *mut sqlite3_file, i_pg: c_int, pgsz: c_int, arg2: c_int, @@ -64,21 +60,19 @@ pub trait SqliteIoMethods { ) -> Result<()>; fn shm_lock( &mut self, - file: *mut sqlite3_file, offset: c_int, n: c_int, flags: c_int, ) -> Result<()>; - fn shm_barrier(&mut self, file: *mut sqlite3_file) -> Result<()>; - fn shm_unmap(&mut self, file: *mut sqlite3_file, delete_flag: c_int) -> Result<()>; + fn shm_barrier(&mut self) -> Result<()>; + fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()>; fn fetch( &mut self, - file: *mut sqlite3_file, i_ofst: i64, i_amt: c_int, pp: *mut *mut c_void, ) -> Result<()>; - fn unfetch(&mut self, file: *mut sqlite3_file, i_ofst: i64, p: *mut c_void) -> Result<()>; + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()>; } // TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) From ff8520c52eb98bb54d93a20bc058f837de9c52d4 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 07:42:36 +0100 Subject: [PATCH 121/142] tried very hard to make o_truncate work by using o_file_size and fallocate and set_fd to use raw_fd from libc::open instead, it's still flaky freshly created files, still cannot be operated on by liburing --- benchmarks/vfs/io_uring/src/ops.rs | 31 ++++++++++++++++++----- benchmarks/vfs/io_uring/tests/test_ops.rs | 20 ++++++++++----- 2 files changed, 38 insertions(+), 13 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 1990e4c..87e2e17 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -72,6 +72,11 @@ impl Ops { } } + // TODO make this only available on tests + pub fn set_fd(&mut self, fd: i32) { + self.file_fd = Some(fd); + } + // TODO investigate as premature optimization: add O_DIRECT and O_SYNC parameters for systems that actually support it // TODO investigate o_TMPFILE for .journal, .wal etc. and disable vfs DELETE event // Things I tried to avoid the -9, invalid fd, [EBADDF](https://www.javatpoint.com/linux-error-codes) @@ -177,11 +182,21 @@ impl Ops { } } + // This should work but it refuses the fd from open_file and returns -22 (EINVAL, invalid argument) + /* pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + let mut file_size_box = Box::new(0 as u64); + let mut file_size_ptr = Box::into_raw(file_size_box); + self.o_file_size(file_size_ptr); + let mut ring = self.ring.as_ref().borrow_mut(); let fd = types::Fd(self.file_fd.unwrap()); - let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()).offset(0); + // let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()).offset(0); // before + let new_size: u64 = size.try_into().unwrap(); + let mut op = opcode::Fallocate::new(fd, (*file_size_ptr) - new_size) + .offset((size - 1).try_into().unwrap()) + .mode(libc::FALLOC_FL_COLLAPSE_RANGE); ring.submission() .push(&op.build().user_data(USER_DATA_FALLOCATE)) @@ -194,19 +209,22 @@ impl Ops { let cqe = &cqes.as_slice()[0]; let result = cqe.result(); + Box::from_raw(file_size_ptr); + if result < 0 { Err(Error::new( ErrorKind::Other, format!("truncate: raw os error result: {}", -result as i32), - ))?; + )) + }else { + Ok(()) } - Ok(()) } + */ - /* - pub unsafe fn o_truncate2(&mut self, size: i64) -> Result<()> { + pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { // libc::ftruncate using self.file_fd returns -1 - let result = libc::truncate(self.file_path, size); + let result = libc::truncate(self.file_path as *const _, size); if result != 0 { Err(Error::new( ErrorKind::Other, @@ -216,7 +234,6 @@ impl Ops { Ok(()) } } - */ // SQLite Documentation: // Implement this function to read data from the file at the specified offset and store it in `buf_out`. diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index c693319..68503c5 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -6,7 +6,7 @@ use std::os::raw::c_void; mod tests { use super::*; use _iouringvfs::ops::Ops; - use std::io::Write; + use std::{io::Write, os::fd::AsRawFd}; #[test] fn test_open_and_close_file() -> Result<()> { @@ -36,10 +36,10 @@ mod tests { // Create a temporary file for testing let tmpfile = tempfile::NamedTempFile::new()?; - let mut new_file = tmpfile.path().to_string_lossy().to_string(); - new_file.push_str("-journal"); + let mut new_file_name = tmpfile.path().to_string_lossy().to_string(); + new_file_name.push_str("-journal"); - let mut ops = Ops::new(new_file.as_ptr() as *const _, 16); + let mut ops = Ops::new(new_file_name.as_ptr() as *const _, 16); // Perform the open operation to create the file let result = ops.open_file(); @@ -47,6 +47,10 @@ mod tests { // Check if the operation was successful assert!(result.is_ok()); + let new_file = std::fs::File::open(&new_file_name)?; + + ops.set_fd(new_file.as_raw_fd()); // this works + // Write data to the file let data_to_write = b"Hello, World!"; unsafe { ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13) }?; @@ -56,7 +60,7 @@ mod tests { unsafe { ops.o_close()?; - std::fs::remove_file(new_file)?; + std::fs::remove_file(new_file_name)?; } // Cleanup @@ -103,7 +107,8 @@ mod tests { let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation - ops.open_file()?; + // ops.open_file()?; // this doesn't + ops.set_fd(tmpfile.as_raw_fd()); // this works // Write data to the file let data_to_write = b"Hello, World!"; @@ -158,8 +163,11 @@ mod tests { let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); + // Perform the open operation ops.open_file()?; + // let raw_fd = tmpfile.as_raw_fd(); + // ops.set_fd(raw_fd); // Write some data to the file let data_to_write = b"Hello, World!"; From 224344d32c13f8a995eeac7da93bcf265c8ce77b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 17:52:54 +0100 Subject: [PATCH 122/142] switched from fd to file_index o_write still does not write --- benchmarks/vfs/io_uring/src/ops.rs | 48 ++++++++++++++++------- benchmarks/vfs/io_uring/tests/test_ops.rs | 9 +---- 2 files changed, 36 insertions(+), 21 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 87e2e17..d238ee0 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -40,15 +40,24 @@ const USER_DATA_FALLOCATE: u64 = 0x5; const USER_DATA_CLOSE: u64 = 0x6; const USER_DATA_FSYNC: u64 = 0x7; +const FILE_INDEX_MAIN_DB: u32 = 0x0; +const FILE_INDEX_JOURNAL: u32 = 0x1; + // Tested on kernels 5.15.49, 6.3.13 pub struct Ops { ring: Rc>, file_path: *const char, - file_fd: Option, + file_index: Option, lock: Option, - file_name: String, // debugging + file_name: String, } + +/// I was tempted really often to convert file_path to Path with a lifetime, PathBuf, CString +/// but it quickly becomes awkward due to libc insistence on read pointers. +/// A purely oxidized project should work with Path. +/// Besides, the pointer memset that file_path is stored, is managed by C, +/// bad things will happen to sqlite3 if you try to take away ownership. impl Ops { // Used for tests pub fn new(file_path: *const char, ring_size: u32) -> Self { @@ -61,7 +70,7 @@ impl Ops { Ops { ring, file_path, - file_fd: None, + file_index: None, lock: None, file_name: unsafe { CStr::from_ptr(file_path as *const _) @@ -72,19 +81,29 @@ impl Ops { } } - // TODO make this only available on tests - pub fn set_fd(&mut self, fd: i32) { - self.file_fd = Some(fd); + fn get_file_index(&self) -> u32 { + let suffixes = vec!["-conch", "-journal", "-wal"]; // TODO investigate: what is a conch? + let ends_with_suffix = suffixes.iter().any(|s| self.file_name.ends_with(s)); + if ends_with_suffix { FILE_INDEX_JOURNAL } else { FILE_INDEX_MAIN_DB } + } + + fn get_dest_slot(&self) -> Option { + let result = types::DestinationSlot::try_from_slot_target(self.get_file_index()); + result.ok() } // TODO investigate as premature optimization: add O_DIRECT and O_SYNC parameters for systems that actually support it - // TODO investigate o_TMPFILE for .journal, .wal etc. and disable vfs DELETE event + // TODO investigate o_TMPFILE for -journal, -wal etc. and disable vfs DELETE event // Things I tried to avoid the -9, invalid fd, [EBADDF](https://www.javatpoint.com/linux-error-codes) // * open twice // * submitter().register_sparse ... 2, submitter().unregister_files() pub fn open_file(&mut self) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); + // Cleanup all fixed files (if any), then reserve two slots + let _ = ring.submitter().unregister_files(); + ring.submitter().register_files_sparse(1).unwrap(); + let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike @@ -96,7 +115,8 @@ impl Ops { .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); let open_e: opcode::OpenAt2 = - opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow); + opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow) + .file_index(self.get_dest_slot()); unsafe { ring.submission() @@ -110,7 +130,6 @@ impl Ops { let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; let result = cqe.result(); - self.file_fd = Some(result); // TODO turn on later // unsafe { @@ -128,6 +147,7 @@ impl Ops { format!("open_file: raw os error result: {}", -result as i32), )) } else { + self.file_index = Some(self.get_file_index()); Ok(()) } } @@ -135,7 +155,7 @@ impl Ops { pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fixed(self.file_index.unwrap()); let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_READ)) @@ -160,7 +180,7 @@ impl Ops { pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fixed(self.file_index.unwrap()); let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) @@ -191,7 +211,7 @@ impl Ops { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fixed(self.file_fd.unwrap()); // let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()).offset(0); // before let new_size: u64 = size.try_into().unwrap(); let mut op = opcode::Fallocate::new(fd, (*file_size_ptr) - new_size) @@ -250,7 +270,7 @@ impl Ops { pub unsafe fn o_close(&mut self) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fixed(self.file_index.unwrap()); let mut op = opcode::Close::new(fd); ring.submission() @@ -315,7 +335,7 @@ impl Ops { pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fixed(self.file_index.unwrap()); let op = opcode::Fsync::new(fd); ring.submission() diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 68503c5..8a60abc 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -6,7 +6,7 @@ use std::os::raw::c_void; mod tests { use super::*; use _iouringvfs::ops::Ops; - use std::{io::Write, os::fd::AsRawFd}; + use std::io::Write; #[test] fn test_open_and_close_file() -> Result<()> { @@ -47,10 +47,6 @@ mod tests { // Check if the operation was successful assert!(result.is_ok()); - let new_file = std::fs::File::open(&new_file_name)?; - - ops.set_fd(new_file.as_raw_fd()); // this works - // Write data to the file let data_to_write = b"Hello, World!"; unsafe { ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13) }?; @@ -107,8 +103,7 @@ mod tests { let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); // Perform the open operation - // ops.open_file()?; // this doesn't - ops.set_fd(tmpfile.as_raw_fd()); // this works + ops.open_file()?; // Write data to the file let data_to_write = b"Hello, World!"; From 103916eec862d882ead4608aac65a0e56a6bdff1 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 18:22:39 +0100 Subject: [PATCH 123/142] simplified queue error handling with expect --- benchmarks/vfs/io_uring/src/ops.rs | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index d238ee0..6b792c3 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -121,11 +121,11 @@ impl Ops { unsafe { ring.submission() .push(&open_e.build().user_data(USER_DATA_OPEN)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; } ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -159,9 +159,9 @@ impl Ops { let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_READ)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -184,9 +184,9 @@ impl Ops { let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -220,10 +220,10 @@ impl Ops { ring.submission() .push(&op.build().user_data(USER_DATA_FALLOCATE)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -275,10 +275,10 @@ impl Ops { ring.submission() .push(&op.build().user_data(USER_DATA_CLOSE)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -308,10 +308,10 @@ impl Ops { ring.submission() .push(&statx_op.build().user_data(USER_DATA_STATX)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -340,10 +340,10 @@ impl Ops { ring.submission() .push(&op.build().user_data(USER_DATA_FSYNC)) - .map_err(|_| Error::new(ErrorKind::Other, "submission queue is full"))?; + .expect("queue is full");; ring.submit_and_wait(1) - .map_err(|_| Error::new(ErrorKind::Other, "submit failed or timed out"))?; + .expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; From d2959aa5e606bec9f8ff140bc256389d7bbc0b82 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 18:23:15 +0100 Subject: [PATCH 124/142] add test coverage, and register sparse file indices --- benchmarks/vfs/io_uring/src/ops.rs | 3 +-- benchmarks/vfs/io_uring/tests/test_ops.rs | 1 + 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 6b792c3..78af35d 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -102,7 +102,7 @@ impl Ops { // Cleanup all fixed files (if any), then reserve two slots let _ = ring.submitter().unregister_files(); - ring.submitter().register_files_sparse(1).unwrap(); + ring.submitter().register_files_sparse(2).unwrap(); let dirfd = types::Fd(libc::AT_FDCWD); @@ -331,7 +331,6 @@ impl Ops { } } - // TODO write unit test pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 8a60abc..eff2ed7 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -111,6 +111,7 @@ mod tests { let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13)?; + ops.o_fsync(0)?; ops.o_read(0, 13, buf_ptr)?; } From 910a5489bd5f7e98f056478d3e6e4984e0d9deab Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 20:00:19 +0100 Subject: [PATCH 125/142] make suffixed file names testable --- benchmarks/vfs/io_uring/src/ops.rs | 48 ++++++------ benchmarks/vfs/io_uring/tests/test_ops.rs | 93 ++++++++++------------- 2 files changed, 64 insertions(+), 77 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 78af35d..9988e09 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -52,7 +52,6 @@ pub struct Ops { file_name: String, } - /// I was tempted really often to convert file_path to Path with a lifetime, PathBuf, CString /// but it quickly becomes awkward due to libc insistence on read pointers. /// A purely oxidized project should work with Path. @@ -84,7 +83,11 @@ impl Ops { fn get_file_index(&self) -> u32 { let suffixes = vec!["-conch", "-journal", "-wal"]; // TODO investigate: what is a conch? let ends_with_suffix = suffixes.iter().any(|s| self.file_name.ends_with(s)); - if ends_with_suffix { FILE_INDEX_JOURNAL } else { FILE_INDEX_MAIN_DB } + if ends_with_suffix { + FILE_INDEX_JOURNAL + } else { + FILE_INDEX_MAIN_DB + } } fn get_dest_slot(&self) -> Option { @@ -107,7 +110,12 @@ impl Ops { let dirfd = types::Fd(libc::AT_FDCWD); // source: https://stackoverflow.com/questions/5055859/how-are-the-o-sync-and-o-direct-flags-in-open2-different-alike + // file_size and open and close work // let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64; + + // file_size and open and close work + // let flags = libc::O_DIRECT as u64 | libc::O_CREAT as u64; + let flags = libc::O_CREAT as u64; let openhow = types::OpenHow::new() @@ -116,16 +124,15 @@ impl Ops { let open_e: opcode::OpenAt2 = opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow) - .file_index(self.get_dest_slot()); + .file_index(self.get_dest_slot()); unsafe { ring.submission() .push(&open_e.build().user_data(USER_DATA_OPEN)) - .expect("queue is full");; + .expect("queue is full"); } - ring.submit_and_wait(1) - .expect("submit failed or timed out"); + ring.submit_and_wait(1).expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -159,9 +166,8 @@ impl Ops { let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_READ)) - .expect("queue is full");; - ring.submit_and_wait(1) - .expect("submit failed or timed out"); + .expect("queue is full"); + ring.submit_and_wait(1).expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -184,9 +190,8 @@ impl Ops { let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) - .expect("queue is full");; - ring.submit_and_wait(1) - .expect("submit failed or timed out"); + .expect("queue is full"); + ring.submit_and_wait(1).expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -202,8 +207,8 @@ impl Ops { } } - // This should work but it refuses the fd from open_file and returns -22 (EINVAL, invalid argument) /* + // This should work but it refuses the fd from open_file and returns -22 (EINVAL, invalid argument) pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { let mut file_size_box = Box::new(0 as u64); let mut file_size_ptr = Box::into_raw(file_size_box); @@ -211,7 +216,7 @@ impl Ops { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fixed(self.file_fd.unwrap()); + let fd = types::Fixed(self.file_index.unwrap()); // let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()).offset(0); // before let new_size: u64 = size.try_into().unwrap(); let mut op = opcode::Fallocate::new(fd, (*file_size_ptr) - new_size) @@ -275,10 +280,9 @@ impl Ops { ring.submission() .push(&op.build().user_data(USER_DATA_CLOSE)) - .expect("queue is full");; + .expect("queue is full"); - ring.submit_and_wait(1) - .expect("submit failed or timed out"); + ring.submit_and_wait(1).expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -308,10 +312,9 @@ impl Ops { ring.submission() .push(&statx_op.build().user_data(USER_DATA_STATX)) - .expect("queue is full");; + .expect("queue is full"); - ring.submit_and_wait(1) - .expect("submit failed or timed out"); + ring.submit_and_wait(1).expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; @@ -339,10 +342,9 @@ impl Ops { ring.submission() .push(&op.build().user_data(USER_DATA_FSYNC)) - .expect("queue is full");; + .expect("queue is full"); - ring.submit_and_wait(1) - .expect("submit failed or timed out"); + ring.submit_and_wait(1).expect("submit failed or timed out"); let cqes: Vec = ring.completion().map(Into::into).collect(); let cqe = &cqes.as_slice()[0]; diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index eff2ed7..30636ee 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -1,19 +1,33 @@ -use std::ffi::CString; -use std::io::Result; -use std::os::raw::c_void; - #[cfg(test)] mod tests { - use super::*; use _iouringvfs::ops::Ops; + use std::ffi::CString; + use std::io::Result; use std::io::Write; + use std::os::raw::c_void; + use std::os::unix::ffi::OsStrExt; + use tempfile::TempDir; + + fn create_then_write_to_file(dir: &TempDir, file_name: &str, write: Option<&[u8]>) -> CString { + let path_buf = dir.path().join(file_name); + let path = CString::new(path_buf.as_os_str().as_bytes()).expect("bad path"); + let mut file = std::fs::OpenOptions::new() + .read(true) + .write(true) + .create_new(true) + .open(path_buf) + .expect("failed to create new file"); + if let Some(b) = write { + let _ = file.write(b); + } + path + } #[test] fn test_open_and_close_file() -> Result<()> { - // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_then_write_to_file(&dir, "main.db-journal", None); + let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation let result = ops.open_file(); @@ -25,21 +39,14 @@ mod tests { ops.o_close()?; } - // Cleanup - tmpfile.close()?; - Ok(()) } #[test] fn test_create_write_close_file() -> Result<()> { - // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new()?; - - let mut new_file_name = tmpfile.path().to_string_lossy().to_string(); - new_file_name.push_str("-journal"); - - let mut ops = Ops::new(new_file_name.as_ptr() as *const _, 16); + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_then_write_to_file(&dir, "main.db-journal", None); + let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation to create the file let result = ops.open_file(); @@ -49,58 +56,47 @@ mod tests { // Write data to the file let data_to_write = b"Hello, World!"; - unsafe { ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13) }?; + unsafe { ops.o_write(data_to_write.as_ptr() as _, 0, 13) }?; // Check if the operation was successful assert!(result.is_ok()); unsafe { ops.o_close()?; - std::fs::remove_file(new_file_name)?; } - // Cleanup - tmpfile.close()?; - Ok(()) } #[test] fn test_read() -> Result<()> { - // Create a temporary file for testing - let mut tmpfile = tempfile::NamedTempFile::new()?; - let data_to_write = b"Hello, World!"; - tmpfile.write(data_to_write)?; - let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_then_write_to_file(&dir, "main.db-journal", Some(data_to_write)); + let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; // Read the file let mut buf: [u8; 13] = [0; 13]; - let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { - ops.o_read(0, 13, buf_ptr)?; + ops.o_read(0, 13, buf.as_mut_ptr() as _)?; } // Check if the data read matches what was written assert_eq!(buf[..], data_to_write[..]); - // Cleanup - tmpfile.close()?; - Ok(()) } #[test] fn test_write_then_read() -> Result<()> { // Create a temporary file for testing - let tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_then_write_to_file(&dir, "main.db-journal", None); + let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; @@ -118,22 +114,17 @@ mod tests { // Check if the data read matches what was written assert_eq!(buf[..], data_to_write[..]); - // Cleanup - tmpfile.close()?; - Ok(()) } #[test] fn test_file_size() -> Result<()> { - // Create a temporary file for testing - let mut tmpfile = tempfile::NamedTempFile::new()?; - let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let data_to_write = b"Hello, World!"; - tmpfile.write(data_to_write)?; - let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_then_write_to_file(&dir, "main.db-journal", Some(data_to_write)); + + let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; @@ -146,9 +137,6 @@ mod tests { assert_eq!(file_size, 13); - // Cleanup - tmpfile.close()?; - Ok(()) } @@ -157,13 +145,10 @@ mod tests { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr() as *const _, 16); - + let mut ops = Ops::new(file_path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; - // let raw_fd = tmpfile.as_raw_fd(); - // ops.set_fd(raw_fd); // Write some data to the file let data_to_write = b"Hello, World!"; From bc5f522c05b2d359a43b2abdddad710148c009b4 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Sat, 9 Dec 2023 20:23:43 +0100 Subject: [PATCH 126/142] made certain type casts non-specific --- benchmarks/vfs/io_uring/src/ops.rs | 4 +-- benchmarks/vfs/io_uring/tests/test_ops.rs | 32 +++++++---------------- 2 files changed, 12 insertions(+), 24 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops.rs index 9988e09..ddf40e5 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops.rs @@ -43,7 +43,7 @@ const USER_DATA_FSYNC: u64 = 0x7; const FILE_INDEX_MAIN_DB: u32 = 0x0; const FILE_INDEX_JOURNAL: u32 = 0x1; -// Tested on kernels 5.15.49, 6.3.13 +// Tested on linux 5.15.49, 6.1.0, 6.3.13 pub struct Ops { ring: Rc>, file_path: *const char, @@ -187,7 +187,7 @@ impl Ops { let mut ring = self.ring.as_ref().borrow_mut(); let fd = types::Fixed(self.file_index.unwrap()); - let mut op = opcode::Write::new(fd, buf_in as *const _, size).offset(offset); + let mut op = opcode::Write::new(fd, buf_in as _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) .expect("queue is full"); diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops.rs index 30636ee..0be238d 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops.rs @@ -4,11 +4,10 @@ mod tests { use std::ffi::CString; use std::io::Result; use std::io::Write; - use std::os::raw::c_void; use std::os::unix::ffi::OsStrExt; use tempfile::TempDir; - fn create_then_write_to_file(dir: &TempDir, file_name: &str, write: Option<&[u8]>) -> CString { + fn create_file(dir: &TempDir, file_name: &str, write: Option<&[u8]>) -> CString { let path_buf = dir.path().join(file_name); let path = CString::new(path_buf.as_os_str().as_bytes()).expect("bad path"); let mut file = std::fs::OpenOptions::new() @@ -26,14 +25,11 @@ mod tests { #[test] fn test_open_and_close_file() -> Result<()> { let dir = tempfile::tempdir().expect("bad dir"); - let path = create_then_write_to_file(&dir, "main.db-journal", None); + let path = create_file(&dir, "main.db-journal", None); let mut ops = Ops::new(path.as_ptr() as _, 16); - // Perform the open operation - let result = ops.open_file(); - // Check if the operation was successful - assert!(result.is_ok()); + ops.open_file()?; unsafe { ops.o_close()?; @@ -45,22 +41,15 @@ mod tests { #[test] fn test_create_write_close_file() -> Result<()> { let dir = tempfile::tempdir().expect("bad dir"); - let path = create_then_write_to_file(&dir, "main.db-journal", None); + let path = create_file(&dir, "main.db-journal", None); let mut ops = Ops::new(path.as_ptr() as _, 16); - // Perform the open operation to create the file - let result = ops.open_file(); - - // Check if the operation was successful - assert!(result.is_ok()); + ops.open_file()?; // Write data to the file let data_to_write = b"Hello, World!"; unsafe { ops.o_write(data_to_write.as_ptr() as _, 0, 13) }?; - // Check if the operation was successful - assert!(result.is_ok()); - unsafe { ops.o_close()?; } @@ -73,7 +62,7 @@ mod tests { let data_to_write = b"Hello, World!"; let dir = tempfile::tempdir().expect("bad dir"); - let path = create_then_write_to_file(&dir, "main.db-journal", Some(data_to_write)); + let path = create_file(&dir, "main.db-journal", Some(data_to_write)); let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation @@ -95,7 +84,7 @@ mod tests { fn test_write_then_read() -> Result<()> { // Create a temporary file for testing let dir = tempfile::tempdir().expect("bad dir"); - let path = create_then_write_to_file(&dir, "main.db-journal", None); + let path = create_file(&dir, "main.db-journal", None); let mut ops = Ops::new(path.as_ptr() as _, 16); // Perform the open operation @@ -104,11 +93,10 @@ mod tests { // Write data to the file let data_to_write = b"Hello, World!"; let mut buf: [u8; 13] = [0; 13]; - let buf_ptr = buf.as_mut_ptr() as *mut c_void; unsafe { - ops.o_write(data_to_write.as_ptr() as *const c_void, 0, 13)?; + ops.o_write(data_to_write.as_ptr() as _, 0, 13)?; ops.o_fsync(0)?; - ops.o_read(0, 13, buf_ptr)?; + ops.o_read(0, 13, buf.as_mut_ptr() as _)?; } // Check if the data read matches what was written @@ -122,7 +110,7 @@ mod tests { let data_to_write = b"Hello, World!"; let dir = tempfile::tempdir().expect("bad dir"); - let path = create_then_write_to_file(&dir, "main.db-journal", Some(data_to_write)); + let path = create_file(&dir, "main.db-journal", Some(data_to_write)); let mut ops = Ops::new(path.as_ptr() as _, 16); From b0047510329bfac609ab6c306be25e91a6dcaf5e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 02:29:43 +0100 Subject: [PATCH 127/142] split up two types of ops 1. has support fo fixed file_indices 2, has support for raw fd --- benchmarks/vfs/io_uring/src/lib.rs | 11 +- benchmarks/vfs/io_uring/src/ops/fd.rs | 490 ++++++++++++++++++ .../vfs/io_uring/src/{ops.rs => ops/fixed.rs} | 11 +- benchmarks/vfs/io_uring/src/ops/mod.rs | 9 + .../tests/{test_ops.rs => test_ops_fd.rs} | 51 +- .../vfs/io_uring/tests/test_ops_fixed.rs | 193 +++++++ 6 files changed, 742 insertions(+), 23 deletions(-) create mode 100644 benchmarks/vfs/io_uring/src/ops/fd.rs rename benchmarks/vfs/io_uring/src/{ops.rs => ops/fixed.rs} (98%) create mode 100644 benchmarks/vfs/io_uring/src/ops/mod.rs rename benchmarks/vfs/io_uring/tests/{test_ops.rs => test_ops_fd.rs} (76%) create mode 100644 benchmarks/vfs/io_uring/tests/test_ops_fixed.rs diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 4b398b8..b4a5d9b 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -5,7 +5,6 @@ pub mod ops; use io_uring::IoUring; use libc::name_t; -use ops::Ops; use sqlite_loadable::ext::{ sqlite3_file, sqlite3_io_methods, sqlite3_syscall_ptr, sqlite3_vfs, @@ -37,6 +36,8 @@ use sqlite3ext_sys::{SQLITE_CANTOPEN, SQLITE_IOERR_DELETE, SQLITE_OPEN_MAIN_DB, use std::io::{Error, ErrorKind, Result}; +use crate::ops::OpsFd; + /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c // Based on the following article for default vfs, mem vfs and io uring vfs @@ -63,7 +64,7 @@ impl SqliteVfs for IoUringVfs { flags: i32, p_res_out: *mut i32, ) -> Result<()> { - let mut uring_ops = Ops::from_rc_refcell_ring(z_name as *mut _, self.ring.clone()); + let mut uring_ops = OpsFd::from_rc_refcell_ring(z_name as *mut _, self.ring.clone()); let file_name = unsafe { CStr::from_ptr(z_name).to_str().unwrap() }; @@ -71,8 +72,8 @@ impl SqliteVfs for IoUringVfs { unsafe { // if you mess with C's managed memory, e.g. like owning a *char managed by C, expect weirdness. - let f = (p_file as *mut FileWithAux).as_mut().unwrap(); - f.pMethods = create_io_methods_boxed::(); + let f = (p_file as *mut FileWithAux).as_mut().unwrap(); + f.pMethods = create_io_methods_boxed::(); f.aux.write(uring_ops); }; @@ -230,7 +231,7 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> name_ptr, 1024, // sqlite3 has ownership and thus manages the memory - std::mem::size_of::>() as i32, + std::mem::size_of::>() as i32, ); register_boxed_vfs(vfs, false)?; diff --git a/benchmarks/vfs/io_uring/src/ops/fd.rs b/benchmarks/vfs/io_uring/src/ops/fd.rs new file mode 100644 index 0000000..54b96a8 --- /dev/null +++ b/benchmarks/vfs/io_uring/src/ops/fd.rs @@ -0,0 +1,490 @@ +use std::borrow::BorrowMut; +use std::cell::RefCell; +use std::ffi::{CStr, CString}; +use std::fs::File; +use std::os::fd::RawFd; +use std::os::raw::c_void; +use std::os::unix::ffi::OsStrExt; +use std::os::unix::io::{AsRawFd, FromRawFd}; +use std::rc::Rc; + +use io_uring::types::Fd; +use libc::c_char; +use sqlite3ext_sys::{ + SQLITE_IOCAP_ATOMIC, SQLITE_IOCAP_POWERSAFE_OVERWRITE, SQLITE_IOCAP_SAFE_APPEND, + SQLITE_IOCAP_SEQUENTIAL, +}; +use sqlite3ext_sys::{SQLITE_IOERR_SHMLOCK, SQLITE_IOERR_SHMMAP}; +use sqlite_loadable::SqliteIoMethods; +use std::io::{Error, ErrorKind, Result}; + +use sqlite3ext_sys::{SQLITE_BUSY, SQLITE_LOCK_SHARED, SQLITE_OK}; + +// IO Uring errors: https://codebrowser.dev/linux/linux/include/uapi/asm-generic/errno-base.h.html + +use sqlite_loadable::ext::{sqlite3_file, sqlite3ext_vfs_find}; +use sqlite_loadable::vfs::shim::{ShimFile, ShimVfs}; +use std::{mem, ptr}; + +use io_uring::{opcode, register, types, IoUring}; +use std::io; + +use crate::lock::Lock; +use crate::lock::LockKind; + +const USER_DATA_OPEN: u64 = 0x1; +const USER_DATA_READ: u64 = 0x2; +const USER_DATA_STATX: u64 = 0x3; +const USER_DATA_WRITE: u64 = 0x4; +const USER_DATA_FALLOCATE: u64 = 0x5; +const USER_DATA_CLOSE: u64 = 0x6; +const USER_DATA_FSYNC: u64 = 0x7; + +// Tested on linux 5.15.49, 6.1.0, 6.3.13 +pub struct OpsFd { + ring: Rc>, + file_path: *const char, + file_fd: Option, + file: Option, + lock: Option, + file_name: String, +} + +/// I was tempted really often to convert file_path to Path with a lifetime, PathBuf, CString +/// but it quickly becomes awkward due to libc insistence on read pointers. +/// A purely oxidized project should work with Path. +/// Besides, the pointer memset that file_path is stored, is managed by C, +/// bad things will happen to sqlite3 if you try to take away ownership. +impl OpsFd { + // Used for tests + pub fn new(file_path: *const char, ring_size: u32) -> Self { + let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).unwrap())); + + Self::from_rc_refcell_ring(file_path, ring) + } + + pub fn from_rc_refcell_ring(file_path: *const char, ring: Rc>) -> Self { + OpsFd { + ring, + file_path, + file_fd: None, + file: None, + lock: None, + file_name: unsafe { + CStr::from_ptr(file_path as *const _) + .to_str() + .unwrap() + .to_string() + }, + } + } + + // all tests pass + pub fn open_file(&mut self) -> Result<()> { + // This calls libc::open + let mut file = std::fs::OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(self.file_name.as_str())?; + + let raw_fd = file.as_raw_fd(); + + self.file = Some(file); + self.file_fd = Some(raw_fd); + + Ok(()) + } + + // tests pass except anything that writes + /* + pub fn open_file(&mut self) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + + let dirfd = types::Fd(libc::AT_FDCWD); + + let flags = libc::O_CREAT as u64; + + let openhow = types::OpenHow::new() + .flags(flags) + .mode(libc::S_IRUSR as u64 | libc::S_IWUSR as u64); + + let open_e: opcode::OpenAt2 = + opcode::OpenAt2::new(dirfd, self.file_path as *const _, &openhow); + + unsafe { + ring.submission() + .push(&open_e.build().user_data(USER_DATA_OPEN)) + .expect("queue is full"); + } + + ring.submit_and_wait(1).expect("submit failed or timed out"); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("open_file: raw os error result: {}", -result as i32), + )) + } else { + self.file_fd = Some(result); + Ok(()) + } + } + */ + + pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + + let fd = types::Fd(self.file_fd.unwrap()); + let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); + ring.submission() + .push(&op.build().user_data(USER_DATA_READ)) + .expect("queue is full"); + ring.submit_and_wait(1).expect("submit failed or timed out"); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("read: raw os error result: {}", -result as i32), + )) + } else { + Ok(()) + } + } + + pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + + let fd = types::Fd(self.file_fd.unwrap()); + let mut op = opcode::Write::new(fd, buf_in as _, size).offset(offset); + ring.submission() + .push(&op.build().user_data(USER_DATA_WRITE)) + .expect("queue is full"); + ring.submit_and_wait(1).expect("submit failed or timed out"); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("write: raw os error result: {}", -result as i32), + )) + } else { + Ok(()) + } + } + + // pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + // let mut file_size_box = Box::new(0 as u64); + // let mut file_size_ptr = Box::into_raw(file_size_box); + // self.o_file_size(file_size_ptr); + + // let mut ring = self.ring.as_ref().borrow_mut(); + + // let fd = types::Fd(self.file_fd.unwrap()); + // let new_size: u64 = size.try_into().unwrap(); + // let mut op = opcode::Fallocate::new(fd, (*file_size_ptr) - new_size) + // .offset((size - 1).try_into().unwrap()) + // .mode(libc::FALLOC_FL_COLLAPSE_RANGE); + + // ring.submission() + // .push(&op.build().user_data(USER_DATA_FALLOCATE)) + // .expect("queue is full");; + + // ring.submit_and_wait(1) + // .expect("submit failed or timed out"); + + // let cqes: Vec = ring.completion().map(Into::into).collect(); + // let cqe = &cqes.as_slice()[0]; + // let result = cqe.result(); + + // Box::from_raw(file_size_ptr); + + // if result < 0 { + // Err(Error::new( + // ErrorKind::Other, + // format!("truncate: raw os error result: {}", -result as i32), + // )) + // }else { + // Ok(()) + // } + // } + + pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { + // libc::ftruncate using self.file_fd returns -1 + let result = libc::truncate(self.file_path as *const _, size); + if result != 0 { + Err(Error::new( + ErrorKind::Other, + format!("truncate: raw os error result: {}", result), + )) + } else { + Ok(()) + } + } + + // SQLite Documentation: + // Implement this function to read data from the file at the specified offset and store it in `buf_out`. + // You can use the same pattern as in `read_file`. + pub unsafe fn o_fetch( + &mut self, + offset: u64, + size: u32, + buf_out: *mut *mut c_void, + ) -> Result<()> { + self.o_read(offset, size, *buf_out as *mut _) + } + + pub unsafe fn o_close(&mut self) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + + let fd = types::Fd(self.file_fd.unwrap()); + let mut op = opcode::Close::new(fd); + + ring.submission() + .push(&op.build().user_data(USER_DATA_CLOSE)) + .expect("queue is full"); + + ring.submit_and_wait(1).expect("submit failed or timed out"); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("close: raw os error result: {}", -result as i32), + )) + } else { + Ok(()) + } + } + + pub unsafe fn o_file_size(&mut self, out: *mut u64) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + + let mut statx_buf: libc::statx = unsafe { std::mem::zeroed() }; + let mut statx_buf_ptr: *mut libc::statx = &mut statx_buf; + + let dirfd = types::Fd(libc::AT_FDCWD); + let statx_op = + opcode::Statx::new(dirfd, self.file_path as *const _, statx_buf_ptr as *mut _) + .flags(libc::AT_EMPTY_PATH) + .mask(libc::STATX_ALL); + + ring.submission() + .push(&statx_op.build().user_data(USER_DATA_STATX)) + .expect("queue is full"); + + ring.submit_and_wait(1).expect("submit failed or timed out"); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("file_size: raw os error result: {}", -result as i32), + )) + } else { + unsafe { + *out = statx_buf.stx_size as u64; + } + + Ok(()) + } + } + + pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { + let mut ring = self.ring.as_ref().borrow_mut(); + + let fd = types::Fd(self.file_fd.unwrap()); + let op = opcode::Fsync::new(fd); + + ring.submission() + .push(&op.build().user_data(USER_DATA_FSYNC)) + .expect("queue is full"); + + ring.submit_and_wait(1).expect("submit failed or timed out"); + + let cqes: Vec = ring.completion().map(Into::into).collect(); + let cqe = &cqes.as_slice()[0]; + let result = cqe.result(); + + if result < 0 { + Err(Error::new( + ErrorKind::Other, + format!("fsync: raw os error result: {}", -result as i32), + )) + } else { + Ok(()) + } + } + + fn is_exclusive_requested_pending_acquired(&mut self, to: LockKind) -> bool { + if let Some(lock) = &mut self.lock { + lock.lock(to) && lock.current() == to + } else { + false + } + } + + fn init_lock(&mut self) -> Result<()> { + if self.lock.is_none() { + let cstr = unsafe { CStr::from_ptr(self.file_path as *const _) }; + + let str_result = cstr.to_str(); + + let err = Error::new(ErrorKind::Other, "bad file name"); + + // the fd from the ring, returns: os error 9 + let str = str_result.map_err(|_| err)?; + + let lock = Lock::new(str)?; + + self.lock = Some(lock); + } + Ok(()) + } + + pub fn lock_or_unlock(&mut self, lock_request: i32) -> Result { + self.init_lock()?; + LockKind::from_repr(lock_request) + .map(|kind| self.is_exclusive_requested_pending_acquired(kind)) + .map(|ok_or_busy| if ok_or_busy { SQLITE_OK } else { SQLITE_BUSY }) + .ok_or_else(|| Error::new(ErrorKind::Other, "Missing lock")) + } + + pub fn lock_reserved(&mut self) -> Result { + self.init_lock()?; + if let Some(lock) = &mut self.lock { + Ok(lock.reserved()) + } else { + Err(Error::new(ErrorKind::Other, "Missing lock")) + } + } +} + +// TODO remove *mut sqlite3_file +impl SqliteIoMethods for OpsFd { + fn close(&mut self) -> Result<()> { + log::trace!("file close"); + + unsafe { self.o_close() } + } + + fn read(&mut self, buf: *mut c_void, s: i32, ofst: i64) -> Result<()> { + log::trace!("file read"); + + unsafe { self.o_read(ofst as u64, s as u32, buf) } + } + + fn write(&mut self, buf: *const c_void, s: i32, ofst: i64) -> Result<()> { + log::trace!("file write"); + + unsafe { self.o_write(buf, ofst as u64, s as u32) } + } + + fn truncate(&mut self, size: i64) -> Result<()> { + log::trace!("file truncate"); + + unsafe { self.o_truncate(size) } + } + + fn sync(&mut self, flags: i32) -> Result<()> { + log::trace!("file sync"); + + unsafe { self.o_fsync(flags) } + } + + fn file_size(&mut self, p_size: *mut i64) -> Result<()> { + log::trace!("file size"); + + unsafe { self.o_file_size(p_size as *mut u64) } + } + + fn lock(&mut self, arg2: i32) -> Result { + log::trace!("file lock"); + self.lock_or_unlock(arg2) + } + + fn unlock(&mut self, arg2: i32) -> Result { + log::trace!("file unlock"); + self.lock_or_unlock(arg2) + } + + fn check_reserved_lock(&mut self, p_res_out: *mut i32) -> Result<()> { + log::trace!("file check reserved lock"); + + let lock_reserved = self.lock_reserved()?; + unsafe { + *p_res_out = if lock_reserved { 1 } else { 0 }; + } + Ok(()) + } + + /// See https://www.sqlite.org/c3ref/file_control.html + /// and also https://www.sqlite.org/c3ref/c_fcntl_begin_atomic_write.html + fn file_control(&mut self, op: i32, p_arg: *mut c_void) -> Result<()> { + log::trace!("file control"); + Ok(()) + } + + fn sector_size(&mut self) -> Result { + log::trace!("sector size"); + Ok(1024) + } + + fn device_characteristics(&mut self) -> Result { + log::trace!("device characteristics"); + let x = SQLITE_IOCAP_ATOMIC + | SQLITE_IOCAP_POWERSAFE_OVERWRITE + | SQLITE_IOCAP_SAFE_APPEND + | SQLITE_IOCAP_SEQUENTIAL; + Ok(x) + } + + fn shm_map(&mut self, i_pg: i32, pgsz: i32, arg2: i32, arg3: *mut *mut c_void) -> Result<()> { + log::trace!("shm map"); + Ok(()) + } + + fn shm_lock(&mut self, offset: i32, n: i32, flags: i32) -> Result<()> { + log::trace!("shm lock"); + Ok(()) + } + + fn shm_barrier(&mut self) -> Result<()> { + log::trace!("shm barrier"); + Ok(()) + } + + fn shm_unmap(&mut self, delete_flag: i32) -> Result<()> { + log::trace!("shm unmap"); + Ok(()) + } + + fn fetch(&mut self, ofst: i64, size: i32, pp: *mut *mut c_void) -> Result<()> { + unsafe { + log::trace!("file fetch"); + self.o_fetch(ofst as u64, size as u32, pp) + } + } + + fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()> { + log::trace!("file unfetch"); + Ok(()) + } +} diff --git a/benchmarks/vfs/io_uring/src/ops.rs b/benchmarks/vfs/io_uring/src/ops/fixed.rs similarity index 98% rename from benchmarks/vfs/io_uring/src/ops.rs rename to benchmarks/vfs/io_uring/src/ops/fixed.rs index ddf40e5..f4c2ba0 100644 --- a/benchmarks/vfs/io_uring/src/ops.rs +++ b/benchmarks/vfs/io_uring/src/ops/fixed.rs @@ -44,7 +44,7 @@ const FILE_INDEX_MAIN_DB: u32 = 0x0; const FILE_INDEX_JOURNAL: u32 = 0x1; // Tested on linux 5.15.49, 6.1.0, 6.3.13 -pub struct Ops { +pub struct OpsFixed { ring: Rc>, file_path: *const char, file_index: Option, @@ -57,7 +57,7 @@ pub struct Ops { /// A purely oxidized project should work with Path. /// Besides, the pointer memset that file_path is stored, is managed by C, /// bad things will happen to sqlite3 if you try to take away ownership. -impl Ops { +impl OpsFixed { // Used for tests pub fn new(file_path: *const char, ring_size: u32) -> Self { let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).unwrap())); @@ -66,7 +66,7 @@ impl Ops { } pub fn from_rc_refcell_ring(file_path: *const char, ring: Rc>) -> Self { - Ops { + OpsFixed { ring, file_path, file_index: None, @@ -113,7 +113,7 @@ impl Ops { // file_size and open and close work // let flags = libc::O_DIRECT as u64 | libc::O_SYNC as u64 | libc::O_CREAT as u64; - // file_size and open and close work + // file_size and open and close work, but breaks other tests // let flags = libc::O_DIRECT as u64 | libc::O_CREAT as u64; let flags = libc::O_CREAT as u64; @@ -154,6 +154,7 @@ impl Ops { format!("open_file: raw os error result: {}", -result as i32), )) } else { + // fixed self.file_index = Some(self.get_file_index()); Ok(()) } @@ -405,7 +406,7 @@ impl Ops { } // TODO remove *mut sqlite3_file -impl SqliteIoMethods for Ops { +impl SqliteIoMethods for OpsFixed { fn close(&mut self) -> Result<()> { log::trace!("file close"); diff --git a/benchmarks/vfs/io_uring/src/ops/mod.rs b/benchmarks/vfs/io_uring/src/ops/mod.rs new file mode 100644 index 0000000..e1f005a --- /dev/null +++ b/benchmarks/vfs/io_uring/src/ops/mod.rs @@ -0,0 +1,9 @@ +mod fd; +mod fixed; + +// Not all ops support fixed file indices, this is kept here for future use (>10-12-2023) +// e.g. Write does not support it. +// Fortunately, File creation and getting its raw fd is O(1), the perceived drawback +// is us not being able to use OpenAt/OpenAt2 to fetch the fd. +pub use fd::OpsFd; +pub use fixed::OpsFixed; diff --git a/benchmarks/vfs/io_uring/tests/test_ops.rs b/benchmarks/vfs/io_uring/tests/test_ops_fd.rs similarity index 76% rename from benchmarks/vfs/io_uring/tests/test_ops.rs rename to benchmarks/vfs/io_uring/tests/test_ops_fd.rs index 0be238d..438e62c 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops_fd.rs @@ -1,6 +1,6 @@ #[cfg(test)] mod tests { - use _iouringvfs::ops::Ops; + use _iouringvfs::ops::OpsFd; use std::ffi::CString; use std::io::Result; use std::io::Write; @@ -10,13 +10,13 @@ mod tests { fn create_file(dir: &TempDir, file_name: &str, write: Option<&[u8]>) -> CString { let path_buf = dir.path().join(file_name); let path = CString::new(path_buf.as_os_str().as_bytes()).expect("bad path"); - let mut file = std::fs::OpenOptions::new() - .read(true) - .write(true) - .create_new(true) - .open(path_buf) - .expect("failed to create new file"); if let Some(b) = write { + let mut file = std::fs::OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(path_buf) + .expect("failed to create new file"); let _ = file.write(b); } path @@ -26,7 +26,7 @@ mod tests { fn test_open_and_close_file() -> Result<()> { let dir = tempfile::tempdir().expect("bad dir"); let path = create_file(&dir, "main.db-journal", None); - let mut ops = Ops::new(path.as_ptr() as _, 16); + let mut ops = OpsFd::new(path.as_ptr() as _, 16); // Check if the operation was successful ops.open_file()?; @@ -42,7 +42,7 @@ mod tests { fn test_create_write_close_file() -> Result<()> { let dir = tempfile::tempdir().expect("bad dir"); let path = create_file(&dir, "main.db-journal", None); - let mut ops = Ops::new(path.as_ptr() as _, 16); + let mut ops = OpsFd::new(path.as_ptr() as _, 16); ops.open_file()?; @@ -63,7 +63,7 @@ mod tests { let dir = tempfile::tempdir().expect("bad dir"); let path = create_file(&dir, "main.db-journal", Some(data_to_write)); - let mut ops = Ops::new(path.as_ptr() as _, 16); + let mut ops = OpsFd::new(path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; @@ -80,12 +80,37 @@ mod tests { Ok(()) } + #[test] + fn test_write() -> Result<()> { + let tmpfile = tempfile::NamedTempFile::new()?; + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; + + let mut ops = OpsFd::new(file_path.as_ptr() as _, 16); + + ops.open_file()?; + + let data_to_write = b"Hello, World!"; + unsafe { + ops.o_write( + data_to_write.as_ptr() as _, + 0, + data_to_write.len().try_into().unwrap(), + ) + }?; + + let file = tmpfile.as_file(); + + assert_eq!(file.metadata()?.len(), data_to_write.len() as u64); + + Ok(()) + } + #[test] fn test_write_then_read() -> Result<()> { // Create a temporary file for testing let dir = tempfile::tempdir().expect("bad dir"); let path = create_file(&dir, "main.db-journal", None); - let mut ops = Ops::new(path.as_ptr() as _, 16); + let mut ops = OpsFd::new(path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; @@ -112,7 +137,7 @@ mod tests { let dir = tempfile::tempdir().expect("bad dir"); let path = create_file(&dir, "main.db-journal", Some(data_to_write)); - let mut ops = Ops::new(path.as_ptr() as _, 16); + let mut ops = OpsFd::new(path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; @@ -133,7 +158,7 @@ mod tests { // Create a temporary file for testing let mut tmpfile = tempfile::NamedTempFile::new()?; let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; - let mut ops = Ops::new(file_path.as_ptr() as _, 16); + let mut ops = OpsFd::new(file_path.as_ptr() as _, 16); // Perform the open operation ops.open_file()?; diff --git a/benchmarks/vfs/io_uring/tests/test_ops_fixed.rs b/benchmarks/vfs/io_uring/tests/test_ops_fixed.rs new file mode 100644 index 0000000..330e8cf --- /dev/null +++ b/benchmarks/vfs/io_uring/tests/test_ops_fixed.rs @@ -0,0 +1,193 @@ +#[cfg(test)] +mod tests { + use _iouringvfs::ops::OpsFixed; + use std::ffi::CString; + use std::io::Result; + use std::io::Write; + use std::os::unix::ffi::OsStrExt; + use tempfile::TempDir; + + fn create_file(dir: &TempDir, file_name: &str, write: Option<&[u8]>) -> CString { + let path_buf = dir.path().join(file_name); + let path = CString::new(path_buf.as_os_str().as_bytes()).expect("bad path"); + if let Some(b) = write { + let mut file = std::fs::OpenOptions::new() + .read(true) + .write(true) + .create(true) + .open(path_buf) + .expect("failed to create new file"); + let _ = file.write(b); + } + path + } + + #[test] + fn test_open_and_close_file() -> Result<()> { + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_file(&dir, "main.db-journal", None); + let mut ops = OpsFixed::new(path.as_ptr() as _, 16); + + // Check if the operation was successful + ops.open_file()?; + + unsafe { + ops.o_close()?; + } + + Ok(()) + } + + #[test] + #[ignore] + fn test_create_write_close_file() -> Result<()> { + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_file(&dir, "main.db-journal", None); + let mut ops = OpsFixed::new(path.as_ptr() as _, 16); + + ops.open_file()?; + + // Write data to the file + let data_to_write = b"Hello, World!"; + unsafe { ops.o_write(data_to_write.as_ptr() as _, 0, 13) }?; + + unsafe { + ops.o_close()?; + } + + Ok(()) + } + + #[test] + fn test_read() -> Result<()> { + let data_to_write = b"Hello, World!"; + + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_file(&dir, "main.db-journal", Some(data_to_write)); + let mut ops = OpsFixed::new(path.as_ptr() as _, 16); + + // Perform the open operation + ops.open_file()?; + + // Read the file + let mut buf: [u8; 13] = [0; 13]; + unsafe { + ops.o_read(0, 13, buf.as_mut_ptr() as _)?; + } + + // Check if the data read matches what was written + assert_eq!(buf[..], data_to_write[..]); + + Ok(()) + } + + #[test] + #[ignore] + fn test_write() -> Result<()> { + let tmpfile = tempfile::NamedTempFile::new()?; + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; + + let mut ops = OpsFixed::new(file_path.as_ptr() as _, 16); + + ops.open_file()?; + + let data_to_write = b"Hello, World!"; + unsafe { + ops.o_write( + data_to_write.as_ptr() as _, + 0, + data_to_write.len().try_into().unwrap(), + ) + }?; + + let file = tmpfile.as_file(); + + assert_eq!(file.metadata()?.len(), data_to_write.len() as u64); + + Ok(()) + } + + #[test] + #[ignore] + fn test_write_then_read() -> Result<()> { + // Create a temporary file for testing + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_file(&dir, "main.db-journal", None); + let mut ops = OpsFixed::new(path.as_ptr() as _, 16); + + // Perform the open operation + ops.open_file()?; + + // Write data to the file + let data_to_write = b"Hello, World!"; + let mut buf: [u8; 13] = [0; 13]; + unsafe { + ops.o_write(data_to_write.as_ptr() as _, 0, 13)?; + ops.o_fsync(0)?; + ops.o_read(0, 13, buf.as_mut_ptr() as _)?; + } + + // Check if the data read matches what was written + assert_eq!(buf[..], data_to_write[..]); + + Ok(()) + } + + #[test] + fn test_file_size() -> Result<()> { + let data_to_write = b"Hello, World!"; + + let dir = tempfile::tempdir().expect("bad dir"); + let path = create_file(&dir, "main.db-journal", Some(data_to_write)); + + let mut ops = OpsFixed::new(path.as_ptr() as _, 16); + + // Perform the open operation + ops.open_file()?; + + // Get the current file size + let mut file_size: u64 = 0; + unsafe { + ops.o_file_size(&mut file_size)?; + } + + assert_eq!(file_size, 13); + + Ok(()) + } + + #[test] + fn test_truncate_then_compare_file_size() -> Result<()> { + // Create a temporary file for testing + let mut tmpfile = tempfile::NamedTempFile::new()?; + let file_path = CString::new(tmpfile.path().to_string_lossy().to_string())?; + let mut ops = OpsFixed::new(file_path.as_ptr() as _, 16); + + // Perform the open operation + ops.open_file()?; + + // Write some data to the file + let data_to_write = b"Hello, World!"; + tmpfile.write(data_to_write)?; + + // Truncate the file to a smaller size + let new_size = 5; // Set the new size to 5 bytes + unsafe { + ops.o_truncate(new_size)?; + } + + // Get the current file size + let mut file_size: u64 = 0; + unsafe { + ops.o_file_size(&mut file_size)?; + } + + // Check if the file size matches the expected size + assert_eq!(file_size, new_size as u64); + + // Cleanup + tmpfile.close()?; + + Ok(()) + } +} From f9f59a7b2bcb42bac13b3d501fab26176b862ee8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 05:50:26 +0100 Subject: [PATCH 128/142] prep update tests --- benchmarks/vfs/io_uring/.gitignore | 1 + benchmarks/vfs/io_uring/README.md | 310 +++------------------ benchmarks/vfs/io_uring/include/conn.in.rs | 10 +- benchmarks/vfs/io_uring/run-hyperfine.sh | 84 ++++-- 4 files changed, 113 insertions(+), 292 deletions(-) diff --git a/benchmarks/vfs/io_uring/.gitignore b/benchmarks/vfs/io_uring/.gitignore index c8e0424..fc1f0aa 100644 --- a/benchmarks/vfs/io_uring/.gitignore +++ b/benchmarks/vfs/io_uring/.gitignore @@ -3,3 +3,4 @@ sqlite3 leaky.txt db/** +md/** diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 0657190..fd61d2d 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -1,29 +1,32 @@ # sqlite3_vfs_io_uring_rs -PoC: sqlite3 vfs extension support for IO Uring +Performance test: sqlite3 vfs + IO Uring with WAL and rollback journalling -Warning: IO Uring is only supported on linux, where this is turned on. +Warning: IO Uring is only supported on linux, where this IO Uring has been activated. IO Uring has been turned off on many distros due to certain security issues. This project was tested on Docker and VirtualBox. Your mileage will vary. +Also, all of the tests ran on [rusqlite](https://github.com/rusqlite/rusqlite). ## Benchmark speeds with hyperfine -### What -Tests were [derived from this archived sqlite document](https://www.sqlite.org/speed.html). +[This script](./run-hyperfine.sh) was written to benchmark and compare, memory vfs as baseline, unix vfs and +the custom IO Uring based vfs, with the default [rollback journalling, and WAL](https://fly.io/blog/sqlite-internals-wal/). -16 tests are run, on in-mem, in-file and io-uring, where in-memory serves as a baseline/control. +### Tests -Practially, what io-uring does is circumvent multiple os system-calls to CRUD a file, -whereas the traditional in-file way does it via system-calls. +Tests were [derived from this archived sqlite document](https://www.sqlite.org/speed.html), +to show whether adding IO Uring support to a custom IO Uring vfs will impact sqlite3's performance. -### How +16 tests are run, on volatile memory, file storage and file storage via io-uring, where memory storage serves as a baseline/control. + +### Run the tests Run [this script](./run-hyperfine.sh) in a shell ```bash sh run-hyperfine.sh ``` If you don't have linux running on your machine (yet), use -[the docker script provided here](./run-docker.sh). +[the docker script provided here](../../../run-docker.sh). ### Logging @@ -33,45 +36,38 @@ RUST_LOG=trace cargo test ### Results -TODO redo with correct setup - -| Test | Desc | Winner | -| --- | --- | --- | -| 1 | 1000 INSERTs | in-file | -| 2 | 25000 INSERTs in a transaction | in-file | -| 3 | 25000 INSERTs into an indexed table | in-file | -| 4 | 100 SELECTs without an index | - | -| 5 | 100 SELECTs on a string comparison | - | -| 6 | Creating an index | - | -| 7 | 5000 SELECTs with an index | - | -| 8 | 1000 UPDATEs without an index | io-uring | -| 9 | 25000 UPDATEs with an index | io-uring | -| 10 | 25000 text UPDATEs with an index | in-file | -| 11 | INSERTs from a SELECT | in-file | -| 12 | DELETE without an index | in-file | -| 13 | DELETE with an index | in-file | -| 14 | A big INSERT after a big DELETE | io-uring | -| 15 | A big DELETE followed by many small INSERTs | in-file | -| 16 | DROP TABLE | io-uring | - -The number of executions were reduced due to life being too short. +The numbers here were generated on a noisy machine. +Your mileage might vary. + +| Test | Desc | 2nd Winner | +| --- | --- | +| 1 | INSERTs | +| 2 | INSERTs in a transaction | +| 3 | INSERTs into an indexed table | +| 4 | SELECTs without an index | +| 5 | SELECTs on a string comparison | +| 6 | Creating an index | +| 7 | SELECTs with an index | +| 8 | UPDATEs without an index | +| 9 | UPDATEs with an index | +| 10 | Text UPDATEs with an index | +| 11 | INSERTs from a SELECT | +| 12 | DELETE without an index | +| 13 | DELETE with an index | +| 14 | A big INSERT after a big DELETE | +| 15 | A big DELETE followed by many small INSERTs | +| 16 | DROP TABLE | ## Conclusion -It seems that with in-file coming in second on most of the tests, -adding io_uring, to [rusqlite](https://github.com/rusqlite/rusqlite) does not lead to major speed improvements. - -## TODO -- [ ] Fix tests 4 through 7 -- [ ] Use the vfs extension on a production sqlite3 binary -- [x] [Use WAL](https://fly.io/blog/sqlite-internals-wal) (write ahead Log), e.g. PRAGMA journal_mode = wal +TODO -## Other research ideas -* IO Uring storage via paging on Vfs, or multiple file vs single file storage -* All insert optimization mentioned here: https://voidstar.tech/sqlite_insert_speed -* IO Uring and sqlite3 replication via sockets -* Vfs consensus via IO Uring managed sockets + Raft, e.g. rqlite -* Turn on libc::O_DIRECT as u64 | libc::O_SYNC as u64 on drives that support it +## Future research ideas +* Release build, speed difference? +* Implement on [windows IoRing](https://learn.microsoft.com/en-us/windows/win32/api/ioringapi/) +* Apply insert optimizations [mentioned here](https://voidstar.tech/sqlite_insert_speed) +* Vfs consensus via IO Uring (IO Uring) sockets + Raft, e.g. rqlite +* Turn on libc::O_DIRECT as u64 | libc::O_SYNC as u64 on storage devices that support it ## Determine whether your kernel supports IO Uring @@ -102,229 +98,5 @@ int main(int argc, char **argv) { ``` -## Raw benchmark results (on Docker) -``` -Benchmark 1: ./target/debug/examples/test_1 - Time (mean ± σ): 4.5 ms ± 0.1 ms [User: 2.8 ms, System: 1.0 ms] - Range (min … max): 4.2 ms … 5.1 ms 580 runs - - Warning: Command took less than 5 ms to complete. Note that the results might be inaccurate because hyperfine can not calibrate the shell startup time much more precise than this limit. You can try to use the `-N`/`--shell=none` option to disable the shell completely. - Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. - -Benchmark 2: ./target/debug/examples/test_1 test_1.db - Time (mean ± σ): 1.350 s ± 0.036 s [User: 0.036 s, System: 0.291 s] - Range (min … max): 1.293 s … 1.417 s 10 runs - -Benchmark 3: ./target/debug/examples/test_1 test_1.ring.db - Time (mean ± σ): 1.391 s ± 0.050 s [User: 0.040 s, System: 0.297 s] - Range (min … max): 1.317 s … 1.450 s 10 runs - -Summary - ./target/debug/examples/test_1 ran - 303.22 ± 10.93 times faster than ./target/debug/examples/test_1 test_1.db - 312.34 ± 13.46 times faster than ./target/debug/examples/test_1 test_1.ring.db -Benchmark 1: ./target/debug/examples/test_2 - Time (mean ± σ): 97.9 ms ± 1.2 ms [User: 95.5 ms, System: 1.6 ms] - Range (min … max): 96.4 ms … 101.7 ms 30 runs - -Benchmark 2: ./target/debug/examples/test_2 test_2.db - Time (mean ± σ): 117.7 ms ± 2.4 ms [User: 98.9 ms, System: 5.0 ms] - Range (min … max): 114.0 ms … 122.7 ms 25 runs - -Benchmark 3: ./target/debug/examples/test_2 test_2.ring.db - Time (mean ± σ): 117.9 ms ± 1.9 ms [User: 99.0 ms, System: 4.7 ms] - Range (min … max): 114.5 ms … 123.0 ms 26 runs - -Summary - ./target/debug/examples/test_2 ran - 1.20 ± 0.03 times faster than ./target/debug/examples/test_2 test_2.db - 1.20 ± 0.02 times faster than ./target/debug/examples/test_2 test_2.ring.db -Benchmark 1: ./target/debug/examples/test_3 - Time (mean ± σ): 124.1 ms ± 1.1 ms [User: 121.7 ms, System: 1.7 ms] - Range (min … max): 122.5 ms … 126.5 ms 23 runs - -Benchmark 2: ./target/debug/examples/test_3 test_3.db - Time (mean ± σ): 1.625 s ± 0.931 s [User: 0.228 s, System: 0.271 s] - Range (min … max): 0.217 s … 2.762 s 13 runs - -Benchmark 3: ./target/debug/examples/test_3 test_3.ring.db - Time (mean ± σ): 1.708 s ± 0.940 s [User: 0.239 s, System: 0.281 s] - Range (min … max): 0.212 s … 2.825 s 14 runs - -Summary - ./target/debug/examples/test_3 ran - 13.10 ± 7.50 times faster than ./target/debug/examples/test_3 test_3.db - 13.77 ± 7.58 times faster than ./target/debug/examples/test_3 test_3.ring.db - -Benchmark 1: ./target/debug/examples/test_4 -Error: ExecuteReturnedResults -Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. -Benchmark 1: ./target/debug/examples/test_5 -Error: ExecuteReturnedResults -Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. -Benchmark 1: ./target/debug/examples/test_6 - Time (mean ± σ): 2.051 s ± 0.064 s [User: 2.017 s, System: 0.032 s] - Range (min … max): 2.024 s … 2.232 s 10 runs - - Warning: The first benchmarking run for this command was significantly slower than the rest (2.232 s). This could be caused by (filesystem) caches that were not filled until after the first run. You are already using the '--warmup' option which helps to fill these caches before the actual benchmark. You can either try to increase the warmup count further or re-run this benchmark on a quiet system in case it was a random outlier. Alternatively, consider using the '--prepare' option to clear the caches before each timing run. - -Benchmark 2: ./target/debug/examples/test_6 test_6.db -Error: SqliteFailure(Error { code: Unknown, extended_code: 1 }, Some("index i6a already exists")) -Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. -Benchmark 1: ./target/debug/examples/test_7 -Error: ExecuteReturnedResults -Error: Command terminated with non-zero exit code: 1. Use the '-i'/'--ignore-failure' option if you want to ignore this. Alternatively, use the '--show-output' option to debug what went wrong. -Benchmark 1: ./target/debug/examples/test_8 - Time (mean ± σ): 658.0 ms ± 9.7 ms [User: 655.9 ms, System: 1.2 ms] - Range (min … max): 640.1 ms … 668.8 ms 10 runs - -Benchmark 2: ./target/debug/examples/test_8 test_8.db - Time (mean ± σ): 4.276 s ± 2.014 s [User: 4.265 s, System: 0.004 s] - Range (min … max): 1.334 s … 7.348 s 10 runs - -Benchmark 3: ./target/debug/examples/test_8 test_8.ring.db - Time (mean ± σ): 4.226 s ± 1.972 s [User: 4.214 s, System: 0.004 s] - Range (min … max): 1.320 s … 7.283 s 10 runs - -Summary - ./target/debug/examples/test_8 ran - 6.42 ± 3.00 times faster than ./target/debug/examples/test_8 test_8.ring.db - 6.50 ± 3.06 times faster than ./target/debug/examples/test_8 test_8.db -Benchmark 1: ./target/debug/examples/test_9 - Time (mean ± σ): 1.391 s ± 0.020 s [User: 1.388 s, System: 0.002 s] - Range (min … max): 1.361 s … 1.425 s 10 runs - -Benchmark 2: ./target/debug/examples/test_9 test_9.db - Time (mean ± σ): 9.217 s ± 4.387 s [User: 9.207 s, System: 0.004 s] - Range (min … max): 2.814 s … 15.950 s 10 runs - -Benchmark 3: ./target/debug/examples/test_9 test_9.ring.db - Time (mean ± σ): 9.186 s ± 4.334 s [User: 9.176 s, System: 0.004 s] - Range (min … max): 2.781 s … 15.890 s 10 runs - -Summary - ./target/debug/examples/test_9 ran - 6.60 ± 3.12 times faster than ./target/debug/examples/test_9 test_9.ring.db - 6.62 ± 3.15 times faster than ./target/debug/examples/test_9 test_9.db -Benchmark 1: ./target/debug/examples/test_10 - Time (mean ± σ): 40.0 ms ± 0.3 ms [User: 38.4 ms, System: 1.1 ms] - Range (min … max): 39.6 ms … 41.2 ms 74 runs - -Benchmark 2: ./target/debug/examples/test_10 test_10.db - Time (mean ± σ): 297.4 ms ± 178.8 ms [User: 56.3 ms, System: 47.0 ms] - Range (min … max): 56.8 ms … 650.2 ms 52 runs - -Benchmark 3: ./target/debug/examples/test_10 test_10.ring.db - Time (mean ± σ): 314.6 ms ± 184.4 ms [User: 58.2 ms, System: 50.0 ms] - Range (min … max): 56.6 ms … 647.7 ms 52 runs - -Summary - ./target/debug/examples/test_10 ran - 7.43 ± 4.47 times faster than ./target/debug/examples/test_10 test_10.db - 7.86 ± 4.61 times faster than ./target/debug/examples/test_10 test_10.ring.db -Benchmark 1: ./target/debug/examples/test_11 - Time (mean ± σ): 9.2 ms ± 0.1 ms [User: 7.6 ms, System: 1.0 ms] - Range (min … max): 8.9 ms … 10.0 ms 312 runs - -Benchmark 2: ./target/debug/examples/test_11 test_11.db - Time (mean ± σ): 18.6 ms ± 1.5 ms [User: 8.5 ms, System: 2.7 ms] - Range (min … max): 15.3 ms … 22.4 ms 159 runs - - Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. - -Benchmark 3: ./target/debug/examples/test_11 test_11.ring.db - Time (mean ± σ): 20.0 ms ± 2.4 ms [User: 8.5 ms, System: 3.2 ms] - Range (min … max): 16.0 ms … 44.8 ms 133 runs - - Warning: The first benchmarking run for this command was significantly slower than the rest (22.2 ms). This could be caused by (filesystem) caches that were not filled until after the first run. You are already using the '--warmup' option which helps to fill these caches before the actual benchmark. You can either try to increase the warmup count further or re-run this benchmark on a quiet system in case it was a random outlier. Alternatively, consider using the '--prepare' option to clear the caches before each timing run. - -Summary - ./target/debug/examples/test_11 ran - 2.02 ± 0.16 times faster than ./target/debug/examples/test_11 test_11.db - 2.17 ± 0.26 times faster than ./target/debug/examples/test_11 test_11.ring.db -Benchmark 1: ./target/debug/examples/test_12 - Time (mean ± σ): 22.2 ms ± 0.9 ms [User: 20.5 ms, System: 1.1 ms] - Range (min … max): 21.8 ms … 29.9 ms 133 runs - - Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. - -Benchmark 2: ./target/debug/examples/test_12 test_12.db - Time (mean ± σ): 65.5 ms ± 14.7 ms [User: 42.8 ms, System: 7.5 ms] - Range (min … max): 35.2 ms … 90.1 ms 75 runs - -Benchmark 3: ./target/debug/examples/test_12 test_12.ring.db - Time (mean ± σ): 69.1 ms ± 16.8 ms [User: 45.9 ms, System: 7.3 ms] - Range (min … max): 35.1 ms … 96.4 ms 84 runs - -Summary - ./target/debug/examples/test_12 ran - 2.95 ± 0.67 times faster than ./target/debug/examples/test_12 test_12.db - 3.11 ± 0.77 times faster than ./target/debug/examples/test_12 test_12.ring.db -Benchmark 1: ./target/debug/examples/test_13 - Time (mean ± σ): 25.8 ms ± 0.2 ms [User: 24.1 ms, System: 1.1 ms] - Range (min … max): 25.5 ms … 26.5 ms 113 runs - -Benchmark 2: ./target/debug/examples/test_13 test_13.db - Time (mean ± σ): 408.7 ms ± 244.5 ms [User: 46.4 ms, System: 71.4 ms] - Range (min … max): 38.8 ms … 842.4 ms 76 runs - -Benchmark 3: ./target/debug/examples/test_13 test_13.ring.db - Time (mean ± σ): 428.4 ms ± 259.2 ms [User: 47.0 ms, System: 76.5 ms] - Range (min … max): 39.3 ms … 830.2 ms 75 runs - -Summary - ./target/debug/examples/test_13 ran - 15.83 ± 9.47 times faster than ./target/debug/examples/test_13 test_13.db - 16.60 ± 10.04 times faster than ./target/debug/examples/test_13 test_13.ring.db -Benchmark 1: ./target/debug/examples/test_14 - Time (mean ± σ): 34.1 ms ± 0.3 ms [User: 32.1 ms, System: 1.3 ms] - Range (min … max): 33.7 ms … 35.4 ms 87 runs - -Benchmark 2: ./target/debug/examples/test_14 test_14.db - Time (mean ± σ): 543.1 ms ± 301.7 ms [User: 130.4 ms, System: 92.1 ms] - Range (min … max): 81.9 ms … 1075.7 ms 36 runs - -Benchmark 3: ./target/debug/examples/test_14 test_14.ring.db - Time (mean ± σ): 536.7 ms ± 291.2 ms [User: 130.8 ms, System: 90.6 ms] - Range (min … max): 81.1 ms … 1056.0 ms 36 runs - -Summary - ./target/debug/examples/test_14 ran - 15.73 ± 8.53 times faster than ./target/debug/examples/test_14 test_14.ring.db - 15.91 ± 8.84 times faster than ./target/debug/examples/test_14 test_14.db - -Benchmark 1: ./target/debug/examples/test_15 - Time (mean ± σ): 34.1 ms ± 0.3 ms [User: 32.3 ms, System: 1.1 ms] - Range (min … max): 33.6 ms … 35.2 ms 86 runs - -Benchmark 2: ./target/debug/examples/test_15 test_15.db - Time (mean ± σ): 58.9 ms ± 3.1 ms [User: 35.1 ms, System: 5.3 ms] - Range (min … max): 56.7 ms … 79.9 ms 51 runs - - Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options. - -Benchmark 3: ./target/debug/examples/test_15 test_15.ring.db - Time (mean ± σ): 59.1 ms ± 0.7 ms [User: 35.5 ms, System: 5.1 ms] - Range (min … max): 57.1 ms … 61.1 ms 48 runs - -Summary - ./target/debug/examples/test_15 ran - 1.73 ± 0.09 times faster than ./target/debug/examples/test_15 test_15.db - 1.73 ± 0.03 times faster than ./target/debug/examples/test_15 test_15.ring.db -Benchmark 1: ./target/debug/examples/test_16 - Time (mean ± σ): 32.9 ms ± 0.3 ms [User: 31.2 ms, System: 1.1 ms] - Range (min … max): 32.5 ms … 34.5 ms 89 runs - -Benchmark 2: ./target/debug/examples/test_16 test_16.db - Time (mean ± σ): 44.7 ms ± 3.1 ms [User: 33.5 ms, System: 3.0 ms] - Range (min … max): 40.1 ms … 53.8 ms 74 runs - -Benchmark 3: ./target/debug/examples/test_16 test_16.ring.db - Time (mean ± σ): 44.5 ms ± 2.0 ms [User: 33.0 ms, System: 3.1 ms] - Range (min … max): 39.6 ms … 47.2 ms 74 runs +## Results UNIX VFS vs IO Uring VFS, with memory VFS as baseline -Summary - ./target/debug/examples/test_16 ran - 1.35 ± 0.06 times faster than ./target/debug/examples/test_16 test_16.ring.db - 1.36 ± 0.10 times faster than ./target/debug/examples/test_16 test_16.db -``` \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/include/conn.in.rs b/benchmarks/vfs/io_uring/include/conn.in.rs index 26b90e0..2da0af8 100644 --- a/benchmarks/vfs/io_uring/include/conn.in.rs +++ b/benchmarks/vfs/io_uring/include/conn.in.rs @@ -28,16 +28,24 @@ fn create_test_database(args: Vec) -> rusqlite::Result { ))); } + // Necessary to load the custom vfs let _conn = Connection::open_in_memory()?; _conn.close().expect("error occurred while closing"); let conn = if args.len() == 2 { let file_path = args[1].as_str(); - if file_path.contains("ring") { + + let conn = if file_path.contains("ring") { open_io_uring_connection(file_path)? }else { Connection::open(file_path)? + }; + + if file_path.contains("wal") { + conn.execute_batch("PRAGMA journal_mode = WAL")?; } + + conn }else { Connection::open_in_memory()? }; diff --git a/benchmarks/vfs/io_uring/run-hyperfine.sh b/benchmarks/vfs/io_uring/run-hyperfine.sh index 94593aa..840514a 100644 --- a/benchmarks/vfs/io_uring/run-hyperfine.sh +++ b/benchmarks/vfs/io_uring/run-hyperfine.sh @@ -1,31 +1,71 @@ #!/bin/sh -rm -f *db *journal - which hyperfine || cargo install --locked hyperfine cargo build --examples -mkdir -p db - -# mem_vfs io_uring_vfs file_db_vfs -hyperfine --show-output --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 db/test_1.db" "./target/debug/examples/test_1 db/test_1.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 db/test_2.db" "./target/debug/examples/test_2 db/test_2.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 db/test_3.db" "./target/debug/examples/test_3 db/test_3.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 db/test_4.db" "./target/debug/examples/test_4 db/test_4.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 db/test_5.db" "./target/debug/examples/test_5 db/test_5.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 db/test_6.db" "./target/debug/examples/test_6 db/test_6.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 db/test_7.db" "./target/debug/examples/test_7 db/test_7.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 db/test_8.db" "./target/debug/examples/test_8 db/test_8.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 db/test_9.db" "./target/debug/examples/test_9 db/test_9.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 db/test_10.db" "./target/debug/examples/test_10 db/test_10.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 db/test_11.db" "./target/debug/examples/test_11 db/test_11.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 db/test_12.db" "./target/debug/examples/test_12 db/test_12.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 db/test_13.db" "./target/debug/examples/test_13 db/test_13.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 db/test_14.db" "./target/debug/examples/test_14 db/test_14.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 db/test_15.db" "./target/debug/examples/test_15 db/test_15.ring.db" -hyperfine --show-output --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 db/test_16.db" "./target/debug/examples/test_16 db/test_16.ring.db" +mkdir -p db md + +# echo "journal" + +# # mem_vfs io_uring_vfs unix_vfs (latter 2 with default rollback journal) +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 db/test_1.db" "./target/debug/examples/test_1 db/test_1.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 db/test_2.db" "./target/debug/examples/test_2 db/test_2.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 db/test_3.db" "./target/debug/examples/test_3 db/test_3.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 db/test_4.db" "./target/debug/examples/test_4 db/test_4.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 db/test_5.db" "./target/debug/examples/test_5 db/test_5.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 db/test_6.db" "./target/debug/examples/test_6 db/test_6.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 db/test_7.db" "./target/debug/examples/test_7 db/test_7.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 db/test_8.db" "./target/debug/examples/test_8 db/test_8.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 db/test_9.db" "./target/debug/examples/test_9 db/test_9.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 db/test_10.db" "./target/debug/examples/test_10 db/test_10.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 db/test_11.db" "./target/debug/examples/test_11 db/test_11.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 db/test_12.db" "./target/debug/examples/test_12 db/test_12.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 db/test_13.db" "./target/debug/examples/test_13 db/test_13.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 db/test_14.db" "./target/debug/examples/test_14 db/test_14.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 db/test_15.db" "./target/debug/examples/test_15 db/test_15.ring.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 db/test_16.db" "./target/debug/examples/test_16 db/test_16.ring.db" + +# echo "wal" + +# # mem_vfs io_uring_vfs+wal unix_vfs+wal +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 db/test_1.wal.db" "./target/debug/examples/test_1 db/test_1.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 db/test_2.wal.db" "./target/debug/examples/test_2 db/test_2.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 db/test_3.wal.db" "./target/debug/examples/test_3 db/test_3.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 db/test_4.wal.db" "./target/debug/examples/test_4 db/test_4.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 db/test_5.wal.db" "./target/debug/examples/test_5 db/test_5.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 db/test_6.wal.db" "./target/debug/examples/test_6 db/test_6.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 db/test_7.wal.db" "./target/debug/examples/test_7 db/test_7.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 db/test_8.wal.db" "./target/debug/examples/test_8 db/test_8.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 db/test_9.wal.db" "./target/debug/examples/test_9 db/test_9.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 db/test_10.wal.db" "./target/debug/examples/test_10 db/test_10.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 db/test_11.wal.db" "./target/debug/examples/test_11 db/test_11.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 db/test_12.wal.db" "./target/debug/examples/test_12 db/test_12.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 db/test_13.wal.db" "./target/debug/examples/test_13 db/test_13.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 db/test_14.wal.db" "./target/debug/examples/test_14 db/test_14.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 db/test_15.wal.db" "./target/debug/examples/test_15 db/test_15.ring.wal.db" +# hyperfine --show-output --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 db/test_16.wal.db" "./target/debug/examples/test_16 db/test_16.ring.db" + +echo "everything together" + +# mem_vfs io_uring_vfs+rollback unix_vfs+rollback io_uring_vfs+wal unix_vfs+wal +hyperfine -N --export-markdown md/test_1.md --show-output --warmup 3 "./target/debug/examples/test_1" "./target/debug/examples/test_1 db/test_1.db" "./target/debug/examples/test_1 db/test_1.ring.db" "./target/debug/examples/test_1 db/test_1.ring.wal.db" "./target/debug/examples/test_1 db/test_1.wal.db" +hyperfine -N --export-markdown md/test_2.md --show-output --warmup 3 "./target/debug/examples/test_2" "./target/debug/examples/test_2 db/test_2.db" "./target/debug/examples/test_2 db/test_2.ring.db" "./target/debug/examples/test_2 db/test_2.ring.wal.db" "./target/debug/examples/test_2 db/test_2.wal.db" +hyperfine -N --export-markdown md/test_3.md --show-output --warmup 3 "./target/debug/examples/test_3" "./target/debug/examples/test_3 db/test_3.db" "./target/debug/examples/test_3 db/test_3.ring.db" "./target/debug/examples/test_3 db/test_3.ring.wal.db" "./target/debug/examples/test_3 db/test_3.wal.db" +hyperfine -N --export-markdown md/test_4.md --show-output --warmup 3 "./target/debug/examples/test_4" "./target/debug/examples/test_4 db/test_4.db" "./target/debug/examples/test_4 db/test_4.ring.db" "./target/debug/examples/test_4 db/test_4.ring.wal.db" "./target/debug/examples/test_4 db/test_4.wal.db" +hyperfine -N --export-markdown md/test_5.md --show-output --warmup 3 "./target/debug/examples/test_5" "./target/debug/examples/test_5 db/test_5.db" "./target/debug/examples/test_5 db/test_5.ring.db" "./target/debug/examples/test_5 db/test_5.ring.wal.db" "./target/debug/examples/test_5 db/test_5.wal.db" +hyperfine -N --export-markdown md/test_6.md --show-output --warmup 3 "./target/debug/examples/test_6" "./target/debug/examples/test_6 db/test_6.db" "./target/debug/examples/test_6 db/test_6.ring.db" "./target/debug/examples/test_6 db/test_6.ring.wal.db" "./target/debug/examples/test_6 db/test_6.wal.db" +hyperfine -N --export-markdown md/test_7.md --show-output --warmup 3 "./target/debug/examples/test_7" "./target/debug/examples/test_7 db/test_7.db" "./target/debug/examples/test_7 db/test_7.ring.db" "./target/debug/examples/test_7 db/test_7.ring.wal.db" "./target/debug/examples/test_7 db/test_7.wal.db" +hyperfine -N --export-markdown md/test_8.md --show-output --warmup 3 "./target/debug/examples/test_8" "./target/debug/examples/test_8 db/test_8.db" "./target/debug/examples/test_8 db/test_8.ring.db" "./target/debug/examples/test_8 db/test_8.ring.wal.db" "./target/debug/examples/test_8 db/test_8.wal.db" +hyperfine -N --export-markdown md/test_9.md --show-output --warmup 3 "./target/debug/examples/test_9" "./target/debug/examples/test_9 db/test_9.db" "./target/debug/examples/test_9 db/test_9.ring.db" "./target/debug/examples/test_9 db/test_9.ring.wal.db" "./target/debug/examples/test_9 db/test_9.wal.db" +hyperfine -N --export-markdown md/test_10.md --show-output --warmup 3 "./target/debug/examples/test_10" "./target/debug/examples/test_10 db/test_10.db" "./target/debug/examples/test_10 db/test_10.ring.db" "./target/debug/examples/test_10 db/test_10.ring.wal.db" "./target/debug/examples/test_10 db/test_10.wal.db" +hyperfine -N --export-markdown md/test_11.md --show-output --warmup 3 "./target/debug/examples/test_11" "./target/debug/examples/test_11 db/test_11.db" "./target/debug/examples/test_11 db/test_11.ring.db" "./target/debug/examples/test_11 db/test_11.ring.wal.db" "./target/debug/examples/test_11 db/test_11.wal.db" +hyperfine -N --export-markdown md/test_12.md --show-output --warmup 3 "./target/debug/examples/test_12" "./target/debug/examples/test_12 db/test_12.db" "./target/debug/examples/test_12 db/test_12.ring.db" "./target/debug/examples/test_12 db/test_12.ring.wal.db" "./target/debug/examples/test_12 db/test_12.wal.db" +hyperfine -N --export-markdown md/test_13.md --show-output --warmup 3 "./target/debug/examples/test_13" "./target/debug/examples/test_13 db/test_13.db" "./target/debug/examples/test_13 db/test_13.ring.db" "./target/debug/examples/test_13 db/test_13.ring.wal.db" "./target/debug/examples/test_13 db/test_13.wal.db" +hyperfine -N --export-markdown md/test_14.md --show-output --warmup 3 "./target/debug/examples/test_14" "./target/debug/examples/test_14 db/test_14.db" "./target/debug/examples/test_14 db/test_14.ring.db" "./target/debug/examples/test_14 db/test_14.ring.wal.db" "./target/debug/examples/test_14 db/test_14.wal.db" +hyperfine -N --export-markdown md/test_15.md --show-output --warmup 3 "./target/debug/examples/test_15" "./target/debug/examples/test_15 db/test_15.db" "./target/debug/examples/test_15 db/test_15.ring.db" "./target/debug/examples/test_15 db/test_15.ring.wal.db" "./target/debug/examples/test_15 db/test_15.wal.db" +hyperfine -N --export-markdown md/test_16.md --show-output --warmup 3 "./target/debug/examples/test_16" "./target/debug/examples/test_16 db/test_16.db" "./target/debug/examples/test_16 db/test_16.ring.db" "./target/debug/examples/test_16 db/test_16.ring.wal.db" "./target/debug/examples/test_16 db/test_16.wal.db" # for i in `seq 16`; do -# echo "hyperfine --show-output --warmup 3 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i db/test_${i}.db\" \"./target/debug/examples/test_$i db/test_${i}.ring.db\""; \ +# echo "hyperfine --export-markdown md/test_${i}.md --show-output --warmup 3 \"./target/debug/examples/test_$i\" \"./target/debug/examples/test_$i db/test_${i}.db\" \"./target/debug/examples/test_$i db/test_${i}.ring.db\" \"./target/debug/examples/test_$i db/test_${i}.ring.wal.db\" \"./target/debug/examples/test_$i db/test_${i}.wal.db\""; \ # done From 456f6862b6fe21687124eaef7ae82544c7f9dda8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 14:05:38 +0100 Subject: [PATCH 129/142] write up report on speed performance --- benchmarks/vfs/io_uring/README.md | 297 +++++++++++++++++++++++--- benchmarks/vfs/io_uring/src/ops/fd.rs | 1 + 2 files changed, 270 insertions(+), 28 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index fd61d2d..0068a2b 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -2,7 +2,7 @@ Performance test: sqlite3 vfs + IO Uring with WAL and rollback journalling Warning: IO Uring is only supported on linux, where this IO Uring has been activated. -IO Uring has been turned off on many distros due to certain security issues. +IO Uring has been turned off on many distros due to certain security risks. This project was tested on Docker and VirtualBox. Your mileage will vary. Also, all of the tests ran on [rusqlite](https://github.com/rusqlite/rusqlite). @@ -12,34 +12,14 @@ Also, all of the tests ran on [rusqlite](https://github.com/rusqlite/rusqlite). [This script](./run-hyperfine.sh) was written to benchmark and compare, memory vfs as baseline, unix vfs and the custom IO Uring based vfs, with the default [rollback journalling, and WAL](https://fly.io/blog/sqlite-internals-wal/). -### Tests +## Tests -Tests were [derived from this archived sqlite document](https://www.sqlite.org/speed.html), +[Tests](./examples/) were [derived from this archived sqlite document](https://www.sqlite.org/speed.html), to show whether adding IO Uring support to a custom IO Uring vfs will impact sqlite3's performance. -16 tests are run, on volatile memory, file storage and file storage via io-uring, where memory storage serves as a baseline/control. +16 tests are run, on volatile memory, file storage and file storage via io-uring, where memory storage serves as a baseline. -### Run the tests -Run [this script](./run-hyperfine.sh) in a shell -```bash -sh run-hyperfine.sh -``` - -If you don't have linux running on your machine (yet), use -[the docker script provided here](../../../run-docker.sh). - -### Logging - -```bash -RUST_LOG=trace cargo test -``` - -### Results - -The numbers here were generated on a noisy machine. -Your mileage might vary. - -| Test | Desc | 2nd Winner | +| Test | Description | | --- | --- | | 1 | INSERTs | | 2 | INSERTs in a transaction | @@ -58,9 +38,271 @@ Your mileage might vary. | 15 | A big DELETE followed by many small INSERTs | | 16 | DROP TABLE | +## Run the tests +Run [this script](./run-hyperfine.sh) in a shell +```bash +sh run-hyperfine.sh +``` + +If you don't have linux running on your machine (yet), use +[the docker script provided here](../../../run-docker.sh). + +## Logging + +```bash +RUST_LOG=trace cargo test +``` + +## Results + +The numbers here were generated on a noisy machine on Docker. +Your mileage might vary. + +Lower "Relative" speed is better. + +### Apple M2, Docker + +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_1` | 5.3 ± 4.0 | 4.4 | 72.4 | 1.00 | +| `test_1 db/test_1.db` | 1711.4 ± 75.7 | 1631.3 | 1847.3 | 320.26 ± 237.45 | +| `test_1 db/test_1.ring.db` | 1531.8 ± 59.3 | 1488.8 | 1657.8 | 286.65 ± 212.44 | +| `test_1 db/test_1.ring.wal.db` | 1534.6 ± 31.9 | 1498.6 | 1611.6 | 287.18 ± 212.63 | +| `test_1 db/test_1.wal.db` | 230.8 ± 5.7 | 225.2 | 242.4 | 43.19 ± 31.98 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_2` | 98.4 ± 1.9 | 95.5 | 102.6 | 1.00 | +| `test_2 db/test_2.db` | 120.6 ± 1.9 | 115.4 | 125.2 | 1.23 ± 0.03 | +| `test_2 db/test_2.ring.db` | 130.3 ± 1.7 | 127.0 | 133.2 | 1.32 ± 0.03 | +| `test_2 db/test_2.ring.wal.db` | 131.6 ± 5.7 | 128.0 | 154.8 | 1.34 ± 0.06 | +| `test_2 db/test_2.wal.db` | 192.4 ± 30.4 | 164.0 | 259.9 | 1.96 ± 0.31 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_3` | 150.5 ± 24.8 | 125.5 | 186.1 | 1.00 | +| `test_3 db/test_3.db` | 4062.4 ± 271.3 | 3654.4 | 4634.7 | 27.00 ± 4.81 | +| `test_3 db/test_3.ring.db` | 5786.9 ± 221.8 | 5373.7 | 6080.0 | 38.45 ± 6.51 | +| `test_3 db/test_3.ring.wal.db` | 5255.5 ± 465.5 | 4633.1 | 6161.7 | 34.92 ± 6.54 | +| `test_3 db/test_3.wal.db` | 3534.8 ± 236.0 | 3205.1 | 3941.8 | 23.49 ± 4.18 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_4` | 96.9 ± 0.8 | 95.6 | 99.9 | 1.00 | +| `test_4 db/test_4.db` | 149.5 ± 18.9 | 119.5 | 190.2 | 1.54 ± 0.20 | +| `test_4 db/test_4.ring.db` | 135.1 ± 10.0 | 128.4 | 166.4 | 1.39 ± 0.10 | +| `test_4 db/test_4.ring.wal.db` | 131.9 ± 3.2 | 129.0 | 142.4 | 1.36 ± 0.03 | +| `test_4 db/test_4.wal.db` | 167.4 ± 2.2 | 163.4 | 170.2 | 1.73 ± 0.03 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_5` | 100.2 ± 11.4 | 95.8 | 156.2 | 1.00 | +| `test_5 db/test_5.db` | 121.7 ± 2.3 | 115.3 | 126.7 | 1.22 ± 0.14 | +| `test_5 db/test_5.ring.db` | 132.3 ± 5.3 | 128.6 | 152.6 | 1.32 ± 0.16 | +| `test_5 db/test_5.ring.wal.db` | 131.9 ± 1.7 | 128.7 | 135.8 | 1.32 ± 0.15 | +| `test_5 db/test_5.wal.db` | 165.3 ± 4.4 | 148.8 | 169.6 | 1.65 ± 0.19 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_6` | 95.3 ± 1.9 | 94.0 | 104.3 | 1.00 | +| `test_6 db/test_6.db` | 7144.6 ± 409.3 | 6438.6 | 8050.1 | 74.97 ± 4.55 | +| `test_6 db/test_6.ring.db` | 10845.3 ± 682.9 | 10037.5 | 12086.2 | 113.81 ± 7.52 | +| `test_6 db/test_6.ring.wal.db` | 9824.5 ± 457.6 | 8931.9 | 10521.4 | 103.09 ± 5.22 | +| `test_6 db/test_6.wal.db` | 6078.7 ± 330.6 | 5591.8 | 6572.9 | 63.79 ± 3.69 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_7` | 125.5 ± 4.0 | 122.7 | 142.1 | 1.00 | +| `test_7 db/test_7.db` | 3461.0 ± 231.6 | 3128.8 | 4033.8 | 27.59 ± 2.05 | +| `test_7 db/test_7.ring.db` | 4988.5 ± 393.6 | 4464.7 | 5771.1 | 39.76 ± 3.39 | +| `test_7 db/test_7.ring.wal.db` | 4386.0 ± 287.8 | 3839.2 | 4848.0 | 34.96 ± 2.56 | +| `test_7 db/test_7.wal.db` | 2758.9 ± 205.4 | 2436.4 | 3052.6 | 21.99 ± 1.78 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_8` | 645.1 ± 11.5 | 622.3 | 661.6 | 1.00 | +| `test_8 db/test_8.db` | 24049.7 ± 2134.5 | 20911.2 | 27012.6 | 37.28 ± 3.37 | +| `test_8 db/test_8.ring.db` | 74134.3 ± 6544.0 | 64428.8 | 83722.0 | 114.93 ± 10.35 | +| `test_8 db/test_8.ring.wal.db` | 46114.0 ± 6595.8 | 36568.0 | 55722.2 | 71.49 ± 10.30 | +| `test_8 db/test_8.wal.db` | 14945.2 ± 2118.4 | 12069.9 | 18285.6 | 23.17 ± 3.31 | +| Command | Mean [s] | Min [s] | Max [s] | Relative | +|:---|---:|---:|---:|---:| +| `test_9` | 1.412 ± 0.017 | 1.385 | 1.442 | 1.00 | +| `test_9 db/test_9.db` | 12.207 ± 4.533 | 5.460 | 18.856 | 8.64 ± 3.21 | +| `test_9 db/test_9.ring.db` | 12.158 ± 4.376 | 5.542 | 18.552 | 8.61 ± 3.10 | +| `test_9 db/test_9.ring.wal.db` | 12.206 ± 4.383 | 5.726 | 18.597 | 8.64 ± 3.11 | +| `test_9 db/test_9.wal.db` | 12.195 ± 4.370 | 5.635 | 18.386 | 8.63 ± 3.10 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_10` | 40.7 ± 1.3 | 40.0 | 48.9 | 1.00 | +| `test_10 db/test_10.db` | 810.3 ± 45.6 | 741.3 | 880.1 | 19.93 ± 1.28 | +| `test_10 db/test_10.ring.db` | 1058.8 ± 61.5 | 963.6 | 1158.3 | 26.04 ± 1.72 | +| `test_10 db/test_10.ring.wal.db` | 843.9 ± 62.7 | 751.4 | 928.9 | 20.76 ± 1.67 | +| `test_10 db/test_10.wal.db` | 626.8 ± 42.3 | 566.5 | 684.2 | 15.42 ± 1.15 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_11` | 9.6 ± 0.2 | 9.3 | 11.6 | 1.00 | +| `test_11 db/test_11.db` | 20.8 ± 0.5 | 20.0 | 22.8 | 2.16 ± 0.08 | +| `test_11 db/test_11.ring.db` | 27.8 ± 5.7 | 20.7 | 52.8 | 2.88 ± 0.59 | +| `test_11 db/test_11.ring.wal.db` | 26.4 ± 8.8 | 21.0 | 89.2 | 2.74 ± 0.92 | +| `test_11 db/test_11.wal.db` | 25.9 ± 0.7 | 22.6 | 31.0 | 2.69 ± 0.10 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_12` | 22.4 ± 0.6 | 21.8 | 25.9 | 1.00 | +| `test_12 db/test_12.db` | 70.1 ± 19.7 | 40.9 | 179.4 | 3.13 ± 0.88 | +| `test_12 db/test_12.ring.db` | 107.5 ± 31.5 | 52.1 | 161.9 | 4.80 ± 1.41 | +| `test_12 db/test_12.ring.wal.db` | 111.2 ± 34.0 | 49.8 | 173.8 | 4.97 ± 1.53 | +| `test_12 db/test_12.wal.db` | 69.3 ± 14.2 | 42.4 | 94.5 | 3.10 ± 0.64 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_13` | 26.3 ± 0.5 | 25.9 | 29.0 | 1.00 | +| `test_13 db/test_13.db` | 394.9 ± 235.7 | 49.8 | 788.3 | 15.00 ± 8.96 | +| `test_13 db/test_13.ring.db` | 375.3 ± 235.3 | 68.3 | 845.4 | 14.26 ± 8.94 | +| `test_13 db/test_13.ring.wal.db` | 375.6 ± 234.6 | 70.3 | 810.0 | 14.27 ± 8.92 | +| `test_13 db/test_13.wal.db` | 330.9 ± 195.5 | 62.2 | 675.6 | 12.57 ± 7.43 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_14` | 34.5 ± 0.6 | 33.8 | 36.7 | 1.00 | +| `test_14 db/test_14.db` | 484.5 ± 243.8 | 118.3 | 1015.3 | 14.06 ± 7.08 | +| `test_14 db/test_14.ring.db` | 494.4 ± 170.9 | 247.9 | 776.9 | 14.35 ± 4.97 | +| `test_14 db/test_14.ring.wal.db` | 526.9 ± 223.5 | 202.0 | 895.1 | 15.29 ± 6.49 | +| `test_14 db/test_14.wal.db` | 410.6 ± 130.4 | 232.0 | 609.7 | 11.92 ± 3.79 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_15` | 34.7 ± 0.8 | 34.0 | 38.8 | 1.00 | +| `test_15 db/test_15.db` | 60.8 ± 1.3 | 56.8 | 63.5 | 1.75 ± 0.05 | +| `test_15 db/test_15.ring.db` | 73.9 ± 3.2 | 69.9 | 87.3 | 2.13 ± 0.10 | +| `test_15 db/test_15.ring.wal.db` | 74.4 ± 6.0 | 68.9 | 109.6 | 2.15 ± 0.18 | +| `test_15 db/test_15.wal.db` | 62.5 ± 0.9 | 60.4 | 65.1 | 1.80 ± 0.05 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_16` | 33.4 ± 0.6 | 32.6 | 36.3 | 1.00 | +| `test_16 db/test_16.db` | 47.9 ± 3.8 | 44.7 | 71.9 | 1.43 ± 0.12 | +| `test_16 db/test_16.ring.db` | 53.2 ± 1.3 | 51.2 | 56.3 | 1.59 ± 0.05 | +| `test_16 db/test_16.ring.wal.db` | 53.7 ± 1.9 | 51.0 | 64.1 | 1.61 ± 0.07 | +| `test_16 db/test_16.wal.db` | 64.0 ± 1.2 | 61.6 | 66.5 | 1.91 ± 0.05 | + +### x86_64 intel, VirtualBox + +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_1` | 10.4 ± 9.4 | 8.6 | 153.4 | 1.00 | +| `test_1 db/test_1.db` | 4630.9 ± 531.5 | 4197.1 | 5561.1 | 447.40 ± 410.79 | +| `test_1 db/test_1.ring.db` | 1951.1 ± 685.1 | 1213.0 | 3503.8 | 188.50 ± 184.03 | +| `test_1 db/test_1.ring.wal.db` | 2769.1 ± 1240.6 | 1346.5 | 4854.9 | 267.53 ± 271.59 | +| `test_1 db/test_1.wal.db` | 2241.6 ± 183.8 | 2015.5 | 2596.8 | 216.56 ± 198.08 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_2` | 371.4 ± 66.4 | 247.1 | 420.9 | 1.03 ± 0.29 | +| `test_2 db/test_2.db` | 435.4 ± 46.6 | 373.8 | 553.5 | 1.21 ± 0.29 | +| `test_2 db/test_2.ring.db` | 397.4 ± 89.9 | 276.8 | 487.1 | 1.11 ± 0.34 | +| `test_2 db/test_2.ring.wal.db` | 472.7 ± 36.7 | 423.8 | 548.1 | 1.31 ± 0.30 | +| `test_2 db/test_2.wal.db` | 359.4 ± 76.1 | 257.9 | 450.0 | 1.00 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_3` | 527.9 ± 57.4 | 461.1 | 658.5 | 1.00 | +| `test_3 db/test_3.db` | 1454.1 ± 180.4 | 1249.1 | 1760.7 | 2.75 ± 0.45 | +| `test_3 db/test_3.ring.db` | 4028.8 ± 1773.4 | 1361.9 | 6070.2 | 7.63 ± 3.46 | +| `test_3 db/test_3.ring.wal.db` | 3849.9 ± 2358.4 | 675.9 | 7601.8 | 7.29 ± 4.54 | +| `test_3 db/test_3.wal.db` | 1032.9 ± 310.6 | 518.2 | 1313.2 | 1.96 ± 0.63 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_4` | 382.1 ± 47.0 | 245.2 | 417.7 | 1.00 | +| `test_4 db/test_4.db` | 385.4 ± 58.8 | 258.0 | 441.8 | 1.01 ± 0.20 | +| `test_4 db/test_4.ring.db` | 430.9 ± 35.5 | 375.4 | 489.9 | 1.13 ± 0.17 | +| `test_4 db/test_4.ring.wal.db` | 427.9 ± 82.9 | 264.6 | 554.9 | 1.12 ± 0.26 | +| `test_4 db/test_4.wal.db` | 420.7 ± 24.6 | 368.7 | 446.2 | 1.10 ± 0.15 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_5` | 326.6 ± 64.7 | 226.6 | 385.4 | 1.00 | +| `test_5 db/test_5.db` | 391.5 ± 23.1 | 339.2 | 419.6 | 1.20 ± 0.25 | +| `test_5 db/test_5.ring.db` | 387.9 ± 89.0 | 274.0 | 486.3 | 1.19 ± 0.36 | +| `test_5 db/test_5.ring.wal.db` | 441.9 ± 27.2 | 406.4 | 484.0 | 1.35 ± 0.28 | +| `test_5 db/test_5.wal.db` | 344.8 ± 78.3 | 251.2 | 448.1 | 1.06 ± 0.32 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_6` | 396.6 ± 43.5 | 345.7 | 506.1 | 1.00 | +| `test_6 db/test_6.db` | 1856.5 ± 542.8 | 1206.1 | 3224.9 | 4.68 ± 1.46 | +| `test_6 db/test_6.ring.db` | 5879.5 ± 3489.1 | 2376.7 | 10758.2 | 14.82 ± 8.95 | +| `test_6 db/test_6.ring.wal.db` | 3898.6 ± 2451.7 | 788.7 | 9459.3 | 9.83 ± 6.28 | +| `test_6 db/test_6.wal.db` | 1084.6 ± 240.4 | 677.9 | 1388.0 | 2.73 ± 0.68 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_7` | 494.5 ± 68.5 | 434.7 | 660.2 | 1.00 | +| `test_7 db/test_7.db` | 1106.8 ± 152.7 | 803.0 | 1282.8 | 2.24 ± 0.44 | +| `test_7 db/test_7.ring.db` | 2731.3 ± 1946.5 | 697.8 | 5350.9 | 5.52 ± 4.01 | +| `test_7 db/test_7.ring.wal.db` | 2601.2 ± 1627.5 | 623.4 | 5079.9 | 5.26 ± 3.37 | +| `test_7 db/test_7.wal.db` | 822.0 ± 209.7 | 564.6 | 1228.1 | 1.66 ± 0.48 | +| Command | Mean [s] | Min [s] | Max [s] | Relative | +|:---|---:|---:|---:|---:| +| `test_8` | 2.814 ± 0.281 | 2.314 | 3.102 | 1.00 | +| `test_8 db/test_8.db` | 24.036 ± 8.930 | 11.041 | 37.724 | 8.54 ± 3.29 | +| `test_8 db/test_8.ring.db` | 23.984 ± 9.013 | 11.103 | 38.410 | 8.52 ± 3.31 | +| `test_8 db/test_8.ring.wal.db` | 24.274 ± 9.171 | 11.133 | 38.712 | 8.63 ± 3.37 | +| `test_8 db/test_8.wal.db` | 24.158 ± 8.908 | 11.472 | 37.448 | 8.59 ± 3.28 | +| Command | Mean [s] | Min [s] | Max [s] | Relative | +|:---|---:|---:|---:|---:| +| `test_9` | 6.269 ± 0.283 | 5.881 | 6.623 | 1.00 | +| `test_9 db/test_9.db` | 52.981 ± 19.343 | 24.574 | 82.915 | 8.45 ± 3.11 | +| `test_9 db/test_9.ring.db` | 53.092 ± 19.455 | 24.432 | 83.084 | 8.47 ± 3.13 | +| `test_9 db/test_9.ring.wal.db` | 53.961 ± 20.785 | 24.343 | 86.876 | 8.61 ± 3.34 | +| `test_9 db/test_9.wal.db` | 55.347 ± 18.596 | 26.589 | 79.522 | 8.83 ± 2.99 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_10` | 168.6 ± 32.5 | 115.4 | 216.5 | 1.00 | +| `test_10 db/test_10.db` | 272.7 ± 28.7 | 204.9 | 320.7 | 1.62 ± 0.36 | +| `test_10 db/test_10.ring.db` | 373.0 ± 125.0 | 188.3 | 555.4 | 2.21 ± 0.86 | +| `test_10 db/test_10.ring.wal.db` | 371.2 ± 74.0 | 264.3 | 514.3 | 2.20 ± 0.61 | +| `test_10 db/test_10.wal.db` | 234.3 ± 49.2 | 159.4 | 292.6 | 1.39 ± 0.40 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_11` | 41.6 ± 7.9 | 26.8 | 98.6 | 1.00 | +| `test_11 db/test_11.db` | 70.8 ± 6.8 | 57.4 | 87.9 | 1.70 ± 0.36 | +| `test_11 db/test_11.ring.db` | 67.7 ± 12.1 | 47.6 | 86.0 | 1.63 ± 0.43 | +| `test_11 db/test_11.ring.wal.db` | 78.5 ± 6.9 | 54.9 | 84.4 | 1.89 ± 0.40 | +| `test_11 db/test_11.wal.db` | 55.3 ± 5.3 | 34.7 | 63.7 | 1.33 ± 0.28 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_12` | 77.1 ± 35.6 | 50.2 | 267.4 | 1.00 | +| `test_12 db/test_12.db` | 161.1 ± 41.7 | 74.9 | 211.9 | 2.09 ± 1.11 | +| `test_12 db/test_12.ring.db` | 148.1 ± 38.6 | 109.8 | 246.6 | 1.92 ± 1.02 | +| `test_12 db/test_12.ring.wal.db` | 179.8 ± 25.1 | 119.6 | 212.5 | 2.33 ± 1.12 | +| `test_12 db/test_12.wal.db` | 137.6 ± 22.2 | 105.1 | 188.5 | 1.78 ± 0.87 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_13` | 101.9 ± 14.4 | 63.5 | 117.8 | 1.00 | +| `test_13 db/test_13.db` | 185.0 ± 30.1 | 128.7 | 245.4 | 1.81 ± 0.39 | +| `test_13 db/test_13.ring.db` | 250.9 ± 83.4 | 160.5 | 381.9 | 2.46 ± 0.89 | +| `test_13 db/test_13.ring.wal.db` | 332.1 ± 106.0 | 186.7 | 504.2 | 3.26 ± 1.14 | +| `test_13 db/test_13.wal.db` | 168.7 ± 19.3 | 137.1 | 199.7 | 1.65 ± 0.30 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_14` | 148.4 ± 14.5 | 108.1 | 166.5 | 1.00 | +| `test_14 db/test_14.db` | 334.2 ± 61.9 | 249.5 | 448.3 | 2.25 ± 0.47 | +| `test_14 db/test_14.ring.db` | 624.7 ± 276.3 | 329.0 | 1044.9 | 4.21 ± 1.91 | +| `test_14 db/test_14.ring.wal.db` | 606.2 ± 177.9 | 339.3 | 926.0 | 4.08 ± 1.26 | +| `test_14 db/test_14.wal.db` | 339.9 ± 86.7 | 214.9 | 453.9 | 2.29 ± 0.63 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_15` | 138.9 ± 24.7 | 93.6 | 180.5 | 1.00 | +| `test_15 db/test_15.db` | 178.4 ± 12.5 | 153.1 | 197.6 | 1.28 ± 0.25 | +| `test_15 db/test_15.ring.db` | 220.3 ± 23.9 | 171.4 | 257.9 | 1.59 ± 0.33 | +| `test_15 db/test_15.ring.wal.db` | 194.6 ± 41.9 | 150.1 | 255.0 | 1.40 ± 0.39 | +| `test_15 db/test_15.wal.db` | 170.9 ± 8.6 | 145.4 | 186.8 | 1.23 ± 0.23 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `test_16` | 154.5 ± 17.7 | 127.9 | 217.1 | 1.02 ± 0.25 | +| `test_16 db/test_16.db` | 163.0 ± 42.7 | 119.6 | 306.8 | 1.08 ± 0.37 | +| `test_16 db/test_16.ring.db` | 200.4 ± 20.3 | 145.3 | 225.0 | 1.32 ± 0.32 | +| `test_16 db/test_16.ring.wal.db` | 196.2 ± 17.9 | 144.0 | 218.7 | 1.29 ± 0.30 | +| `test_16 db/test_16.wal.db` | 151.6 ± 32.8 | 116.3 | 198.7 | 1.00 | + + +## Rollback Journalling +Rollback Journal + Unix VFS, is the fastest on every test. + +## WAL +WAL on IO Uring VFS has some competitive edge, less than half, but not on all tests. + ## Conclusion -TODO +Do not trust these numbers with your life. The tests ran on a "noisy" machine. + +For speed, there is no reason to use IO Uring at all, with this specific implementation. +Maybe except for those specific cases were IO Uring + WAL seems to have a competitive edge. ## Future research ideas * Release build, speed difference? @@ -68,6 +310,7 @@ TODO * Apply insert optimizations [mentioned here](https://voidstar.tech/sqlite_insert_speed) * Vfs consensus via IO Uring (IO Uring) sockets + Raft, e.g. rqlite * Turn on libc::O_DIRECT as u64 | libc::O_SYNC as u64 on storage devices that support it +* Reimplement everything with Zig + liburing ## Determine whether your kernel supports IO Uring @@ -98,5 +341,3 @@ int main(int argc, char **argv) { ``` -## Results UNIX VFS vs IO Uring VFS, with memory VFS as baseline - diff --git a/benchmarks/vfs/io_uring/src/ops/fd.rs b/benchmarks/vfs/io_uring/src/ops/fd.rs index 54b96a8..0211198 100644 --- a/benchmarks/vfs/io_uring/src/ops/fd.rs +++ b/benchmarks/vfs/io_uring/src/ops/fd.rs @@ -184,6 +184,7 @@ impl OpsFd { } } + // TODO implement with a read then write, also apply linking to guarantee read before write // pub unsafe fn o_truncate(&mut self, size: i64) -> Result<()> { // let mut file_size_box = Box::new(0 as u64); // let mut file_size_ptr = Box::into_raw(file_size_box); From f742dbf4796e82601eea9b12a5b50fabd7744dc8 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 14:16:00 +0100 Subject: [PATCH 130/142] clean up --- benchmarks/vfs/io_uring/src/lib.rs | 7 +------ src/vfs/file.rs | 6 +++--- 2 files changed, 4 insertions(+), 9 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index b4a5d9b..b0dddd8 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -70,12 +70,7 @@ impl SqliteVfs for IoUringVfs { uring_ops.open_file()?; - unsafe { - // if you mess with C's managed memory, e.g. like owning a *char managed by C, expect weirdness. - let f = (p_file as *mut FileWithAux).as_mut().unwrap(); - f.pMethods = create_io_methods_boxed::(); - f.aux.write(uring_ops); - }; + unsafe { prepare_file_ptr(p_file, uring_ops) }; Ok(()) } diff --git a/src/vfs/file.rs b/src/vfs/file.rs index eefa49c..d2223c5 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -205,11 +205,11 @@ pub unsafe fn prepare_file_ptr( file_ptr: *mut sqlite3_file, aux: T, ) -> *const sqlite3_file { - let mut f = &mut *file_ptr.cast::>(); - std::mem::replace(&mut f.pMethods, create_io_methods_boxed::()); + let f = (file_ptr as *mut FileWithAux).as_mut().unwrap(); + f.pMethods = create_io_methods_boxed::(); f.aux.write(aux); - file_ptr // in case other fields have to be modified + file_ptr } pub fn create_io_methods_boxed() -> Box { From 642d0f904607c7fe75914ee7100148f5cf4d4c01 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 14:45:01 +0100 Subject: [PATCH 131/142] update docs; clean up --- README.md | 3 ++ benchmarks/vfs/io_uring/README.md | 68 +++++++++++++++---------------- include/mem_vfs.in.rs | 7 ---- 3 files changed, 37 insertions(+), 41 deletions(-) diff --git a/README.md b/README.md index 0bc39cf..632c1c9 100644 --- a/README.md +++ b/README.md @@ -138,6 +138,9 @@ There are two examples of how to apply this library to create your own vfs. 1. [io_uring_vfs](./benchmarks/vfs/io_uring/) 2. [mem_vfs](./examples/mem_vfs.rs) +In summary, you need to extend two traits "SqliteIoMethods" and "SqliteVfs", then attach those together +in the open function in SqliteVfs. + ## Examples The [`examples/`](./examples/) directory has a few bare-bones examples of extensions, which you can build with: diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 0068a2b..da14f06 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -1,7 +1,7 @@ # sqlite3_vfs_io_uring_rs Performance test: sqlite3 vfs + IO Uring with WAL and rollback journalling -Warning: IO Uring is only supported on linux, where this IO Uring has been activated. +***Warning***: IO Uring is only supported on linux, where this IO Uring has been activated. IO Uring has been turned off on many distros due to certain security risks. This project was tested on Docker and VirtualBox. Your mileage will vary. @@ -15,7 +15,7 @@ the custom IO Uring based vfs, with the default [rollback journalling, and WAL]( ## Tests [Tests](./examples/) were [derived from this archived sqlite document](https://www.sqlite.org/speed.html), -to show whether adding IO Uring support to a custom IO Uring vfs will impact sqlite3's performance. +to show whether adding IO Uring support to a custom vfs will impact sqlite3's performance positively. 16 tests are run, on volatile memory, file storage and file storage via io-uring, where memory storage serves as a baseline. @@ -63,112 +63,112 @@ Lower "Relative" speed is better. ### Apple M2, Docker | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_1` | 5.3 ± 4.0 | 4.4 | 72.4 | 1.00 | | `test_1 db/test_1.db` | 1711.4 ± 75.7 | 1631.3 | 1847.3 | 320.26 ± 237.45 | | `test_1 db/test_1.ring.db` | 1531.8 ± 59.3 | 1488.8 | 1657.8 | 286.65 ± 212.44 | | `test_1 db/test_1.ring.wal.db` | 1534.6 ± 31.9 | 1498.6 | 1611.6 | 287.18 ± 212.63 | | `test_1 db/test_1.wal.db` | 230.8 ± 5.7 | 225.2 | 242.4 | 43.19 ± 31.98 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_2` | 98.4 ± 1.9 | 95.5 | 102.6 | 1.00 | | `test_2 db/test_2.db` | 120.6 ± 1.9 | 115.4 | 125.2 | 1.23 ± 0.03 | | `test_2 db/test_2.ring.db` | 130.3 ± 1.7 | 127.0 | 133.2 | 1.32 ± 0.03 | | `test_2 db/test_2.ring.wal.db` | 131.6 ± 5.7 | 128.0 | 154.8 | 1.34 ± 0.06 | | `test_2 db/test_2.wal.db` | 192.4 ± 30.4 | 164.0 | 259.9 | 1.96 ± 0.31 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_3` | 150.5 ± 24.8 | 125.5 | 186.1 | 1.00 | | `test_3 db/test_3.db` | 4062.4 ± 271.3 | 3654.4 | 4634.7 | 27.00 ± 4.81 | | `test_3 db/test_3.ring.db` | 5786.9 ± 221.8 | 5373.7 | 6080.0 | 38.45 ± 6.51 | | `test_3 db/test_3.ring.wal.db` | 5255.5 ± 465.5 | 4633.1 | 6161.7 | 34.92 ± 6.54 | | `test_3 db/test_3.wal.db` | 3534.8 ± 236.0 | 3205.1 | 3941.8 | 23.49 ± 4.18 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_4` | 96.9 ± 0.8 | 95.6 | 99.9 | 1.00 | | `test_4 db/test_4.db` | 149.5 ± 18.9 | 119.5 | 190.2 | 1.54 ± 0.20 | | `test_4 db/test_4.ring.db` | 135.1 ± 10.0 | 128.4 | 166.4 | 1.39 ± 0.10 | | `test_4 db/test_4.ring.wal.db` | 131.9 ± 3.2 | 129.0 | 142.4 | 1.36 ± 0.03 | | `test_4 db/test_4.wal.db` | 167.4 ± 2.2 | 163.4 | 170.2 | 1.73 ± 0.03 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_5` | 100.2 ± 11.4 | 95.8 | 156.2 | 1.00 | | `test_5 db/test_5.db` | 121.7 ± 2.3 | 115.3 | 126.7 | 1.22 ± 0.14 | | `test_5 db/test_5.ring.db` | 132.3 ± 5.3 | 128.6 | 152.6 | 1.32 ± 0.16 | | `test_5 db/test_5.ring.wal.db` | 131.9 ± 1.7 | 128.7 | 135.8 | 1.32 ± 0.15 | | `test_5 db/test_5.wal.db` | 165.3 ± 4.4 | 148.8 | 169.6 | 1.65 ± 0.19 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_6` | 95.3 ± 1.9 | 94.0 | 104.3 | 1.00 | | `test_6 db/test_6.db` | 7144.6 ± 409.3 | 6438.6 | 8050.1 | 74.97 ± 4.55 | | `test_6 db/test_6.ring.db` | 10845.3 ± 682.9 | 10037.5 | 12086.2 | 113.81 ± 7.52 | | `test_6 db/test_6.ring.wal.db` | 9824.5 ± 457.6 | 8931.9 | 10521.4 | 103.09 ± 5.22 | | `test_6 db/test_6.wal.db` | 6078.7 ± 330.6 | 5591.8 | 6572.9 | 63.79 ± 3.69 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_7` | 125.5 ± 4.0 | 122.7 | 142.1 | 1.00 | | `test_7 db/test_7.db` | 3461.0 ± 231.6 | 3128.8 | 4033.8 | 27.59 ± 2.05 | | `test_7 db/test_7.ring.db` | 4988.5 ± 393.6 | 4464.7 | 5771.1 | 39.76 ± 3.39 | | `test_7 db/test_7.ring.wal.db` | 4386.0 ± 287.8 | 3839.2 | 4848.0 | 34.96 ± 2.56 | | `test_7 db/test_7.wal.db` | 2758.9 ± 205.4 | 2436.4 | 3052.6 | 21.99 ± 1.78 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_8` | 645.1 ± 11.5 | 622.3 | 661.6 | 1.00 | | `test_8 db/test_8.db` | 24049.7 ± 2134.5 | 20911.2 | 27012.6 | 37.28 ± 3.37 | | `test_8 db/test_8.ring.db` | 74134.3 ± 6544.0 | 64428.8 | 83722.0 | 114.93 ± 10.35 | | `test_8 db/test_8.ring.wal.db` | 46114.0 ± 6595.8 | 36568.0 | 55722.2 | 71.49 ± 10.30 | | `test_8 db/test_8.wal.db` | 14945.2 ± 2118.4 | 12069.9 | 18285.6 | 23.17 ± 3.31 | | Command | Mean [s] | Min [s] | Max [s] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_9` | 1.412 ± 0.017 | 1.385 | 1.442 | 1.00 | | `test_9 db/test_9.db` | 12.207 ± 4.533 | 5.460 | 18.856 | 8.64 ± 3.21 | | `test_9 db/test_9.ring.db` | 12.158 ± 4.376 | 5.542 | 18.552 | 8.61 ± 3.10 | | `test_9 db/test_9.ring.wal.db` | 12.206 ± 4.383 | 5.726 | 18.597 | 8.64 ± 3.11 | | `test_9 db/test_9.wal.db` | 12.195 ± 4.370 | 5.635 | 18.386 | 8.63 ± 3.10 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_10` | 40.7 ± 1.3 | 40.0 | 48.9 | 1.00 | | `test_10 db/test_10.db` | 810.3 ± 45.6 | 741.3 | 880.1 | 19.93 ± 1.28 | | `test_10 db/test_10.ring.db` | 1058.8 ± 61.5 | 963.6 | 1158.3 | 26.04 ± 1.72 | | `test_10 db/test_10.ring.wal.db` | 843.9 ± 62.7 | 751.4 | 928.9 | 20.76 ± 1.67 | | `test_10 db/test_10.wal.db` | 626.8 ± 42.3 | 566.5 | 684.2 | 15.42 ± 1.15 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_11` | 9.6 ± 0.2 | 9.3 | 11.6 | 1.00 | | `test_11 db/test_11.db` | 20.8 ± 0.5 | 20.0 | 22.8 | 2.16 ± 0.08 | | `test_11 db/test_11.ring.db` | 27.8 ± 5.7 | 20.7 | 52.8 | 2.88 ± 0.59 | | `test_11 db/test_11.ring.wal.db` | 26.4 ± 8.8 | 21.0 | 89.2 | 2.74 ± 0.92 | | `test_11 db/test_11.wal.db` | 25.9 ± 0.7 | 22.6 | 31.0 | 2.69 ± 0.10 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_12` | 22.4 ± 0.6 | 21.8 | 25.9 | 1.00 | | `test_12 db/test_12.db` | 70.1 ± 19.7 | 40.9 | 179.4 | 3.13 ± 0.88 | | `test_12 db/test_12.ring.db` | 107.5 ± 31.5 | 52.1 | 161.9 | 4.80 ± 1.41 | | `test_12 db/test_12.ring.wal.db` | 111.2 ± 34.0 | 49.8 | 173.8 | 4.97 ± 1.53 | | `test_12 db/test_12.wal.db` | 69.3 ± 14.2 | 42.4 | 94.5 | 3.10 ± 0.64 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_13` | 26.3 ± 0.5 | 25.9 | 29.0 | 1.00 | | `test_13 db/test_13.db` | 394.9 ± 235.7 | 49.8 | 788.3 | 15.00 ± 8.96 | | `test_13 db/test_13.ring.db` | 375.3 ± 235.3 | 68.3 | 845.4 | 14.26 ± 8.94 | | `test_13 db/test_13.ring.wal.db` | 375.6 ± 234.6 | 70.3 | 810.0 | 14.27 ± 8.92 | | `test_13 db/test_13.wal.db` | 330.9 ± 195.5 | 62.2 | 675.6 | 12.57 ± 7.43 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_14` | 34.5 ± 0.6 | 33.8 | 36.7 | 1.00 | | `test_14 db/test_14.db` | 484.5 ± 243.8 | 118.3 | 1015.3 | 14.06 ± 7.08 | | `test_14 db/test_14.ring.db` | 494.4 ± 170.9 | 247.9 | 776.9 | 14.35 ± 4.97 | | `test_14 db/test_14.ring.wal.db` | 526.9 ± 223.5 | 202.0 | 895.1 | 15.29 ± 6.49 | | `test_14 db/test_14.wal.db` | 410.6 ± 130.4 | 232.0 | 609.7 | 11.92 ± 3.79 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_15` | 34.7 ± 0.8 | 34.0 | 38.8 | 1.00 | | `test_15 db/test_15.db` | 60.8 ± 1.3 | 56.8 | 63.5 | 1.75 ± 0.05 | | `test_15 db/test_15.ring.db` | 73.9 ± 3.2 | 69.9 | 87.3 | 2.13 ± 0.10 | | `test_15 db/test_15.ring.wal.db` | 74.4 ± 6.0 | 68.9 | 109.6 | 2.15 ± 0.18 | | `test_15 db/test_15.wal.db` | 62.5 ± 0.9 | 60.4 | 65.1 | 1.80 ± 0.05 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_16` | 33.4 ± 0.6 | 32.6 | 36.3 | 1.00 | | `test_16 db/test_16.db` | 47.9 ± 3.8 | 44.7 | 71.9 | 1.43 ± 0.12 | | `test_16 db/test_16.ring.db` | 53.2 ± 1.3 | 51.2 | 56.3 | 1.59 ± 0.05 | @@ -178,112 +178,112 @@ Lower "Relative" speed is better. ### x86_64 intel, VirtualBox | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_1` | 10.4 ± 9.4 | 8.6 | 153.4 | 1.00 | | `test_1 db/test_1.db` | 4630.9 ± 531.5 | 4197.1 | 5561.1 | 447.40 ± 410.79 | | `test_1 db/test_1.ring.db` | 1951.1 ± 685.1 | 1213.0 | 3503.8 | 188.50 ± 184.03 | | `test_1 db/test_1.ring.wal.db` | 2769.1 ± 1240.6 | 1346.5 | 4854.9 | 267.53 ± 271.59 | | `test_1 db/test_1.wal.db` | 2241.6 ± 183.8 | 2015.5 | 2596.8 | 216.56 ± 198.08 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_2` | 371.4 ± 66.4 | 247.1 | 420.9 | 1.03 ± 0.29 | | `test_2 db/test_2.db` | 435.4 ± 46.6 | 373.8 | 553.5 | 1.21 ± 0.29 | | `test_2 db/test_2.ring.db` | 397.4 ± 89.9 | 276.8 | 487.1 | 1.11 ± 0.34 | | `test_2 db/test_2.ring.wal.db` | 472.7 ± 36.7 | 423.8 | 548.1 | 1.31 ± 0.30 | | `test_2 db/test_2.wal.db` | 359.4 ± 76.1 | 257.9 | 450.0 | 1.00 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_3` | 527.9 ± 57.4 | 461.1 | 658.5 | 1.00 | | `test_3 db/test_3.db` | 1454.1 ± 180.4 | 1249.1 | 1760.7 | 2.75 ± 0.45 | | `test_3 db/test_3.ring.db` | 4028.8 ± 1773.4 | 1361.9 | 6070.2 | 7.63 ± 3.46 | | `test_3 db/test_3.ring.wal.db` | 3849.9 ± 2358.4 | 675.9 | 7601.8 | 7.29 ± 4.54 | | `test_3 db/test_3.wal.db` | 1032.9 ± 310.6 | 518.2 | 1313.2 | 1.96 ± 0.63 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_4` | 382.1 ± 47.0 | 245.2 | 417.7 | 1.00 | | `test_4 db/test_4.db` | 385.4 ± 58.8 | 258.0 | 441.8 | 1.01 ± 0.20 | | `test_4 db/test_4.ring.db` | 430.9 ± 35.5 | 375.4 | 489.9 | 1.13 ± 0.17 | | `test_4 db/test_4.ring.wal.db` | 427.9 ± 82.9 | 264.6 | 554.9 | 1.12 ± 0.26 | | `test_4 db/test_4.wal.db` | 420.7 ± 24.6 | 368.7 | 446.2 | 1.10 ± 0.15 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_5` | 326.6 ± 64.7 | 226.6 | 385.4 | 1.00 | | `test_5 db/test_5.db` | 391.5 ± 23.1 | 339.2 | 419.6 | 1.20 ± 0.25 | | `test_5 db/test_5.ring.db` | 387.9 ± 89.0 | 274.0 | 486.3 | 1.19 ± 0.36 | | `test_5 db/test_5.ring.wal.db` | 441.9 ± 27.2 | 406.4 | 484.0 | 1.35 ± 0.28 | | `test_5 db/test_5.wal.db` | 344.8 ± 78.3 | 251.2 | 448.1 | 1.06 ± 0.32 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_6` | 396.6 ± 43.5 | 345.7 | 506.1 | 1.00 | | `test_6 db/test_6.db` | 1856.5 ± 542.8 | 1206.1 | 3224.9 | 4.68 ± 1.46 | | `test_6 db/test_6.ring.db` | 5879.5 ± 3489.1 | 2376.7 | 10758.2 | 14.82 ± 8.95 | | `test_6 db/test_6.ring.wal.db` | 3898.6 ± 2451.7 | 788.7 | 9459.3 | 9.83 ± 6.28 | | `test_6 db/test_6.wal.db` | 1084.6 ± 240.4 | 677.9 | 1388.0 | 2.73 ± 0.68 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_7` | 494.5 ± 68.5 | 434.7 | 660.2 | 1.00 | | `test_7 db/test_7.db` | 1106.8 ± 152.7 | 803.0 | 1282.8 | 2.24 ± 0.44 | | `test_7 db/test_7.ring.db` | 2731.3 ± 1946.5 | 697.8 | 5350.9 | 5.52 ± 4.01 | | `test_7 db/test_7.ring.wal.db` | 2601.2 ± 1627.5 | 623.4 | 5079.9 | 5.26 ± 3.37 | | `test_7 db/test_7.wal.db` | 822.0 ± 209.7 | 564.6 | 1228.1 | 1.66 ± 0.48 | | Command | Mean [s] | Min [s] | Max [s] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_8` | 2.814 ± 0.281 | 2.314 | 3.102 | 1.00 | | `test_8 db/test_8.db` | 24.036 ± 8.930 | 11.041 | 37.724 | 8.54 ± 3.29 | | `test_8 db/test_8.ring.db` | 23.984 ± 9.013 | 11.103 | 38.410 | 8.52 ± 3.31 | | `test_8 db/test_8.ring.wal.db` | 24.274 ± 9.171 | 11.133 | 38.712 | 8.63 ± 3.37 | | `test_8 db/test_8.wal.db` | 24.158 ± 8.908 | 11.472 | 37.448 | 8.59 ± 3.28 | | Command | Mean [s] | Min [s] | Max [s] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_9` | 6.269 ± 0.283 | 5.881 | 6.623 | 1.00 | | `test_9 db/test_9.db` | 52.981 ± 19.343 | 24.574 | 82.915 | 8.45 ± 3.11 | | `test_9 db/test_9.ring.db` | 53.092 ± 19.455 | 24.432 | 83.084 | 8.47 ± 3.13 | | `test_9 db/test_9.ring.wal.db` | 53.961 ± 20.785 | 24.343 | 86.876 | 8.61 ± 3.34 | | `test_9 db/test_9.wal.db` | 55.347 ± 18.596 | 26.589 | 79.522 | 8.83 ± 2.99 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_10` | 168.6 ± 32.5 | 115.4 | 216.5 | 1.00 | | `test_10 db/test_10.db` | 272.7 ± 28.7 | 204.9 | 320.7 | 1.62 ± 0.36 | | `test_10 db/test_10.ring.db` | 373.0 ± 125.0 | 188.3 | 555.4 | 2.21 ± 0.86 | | `test_10 db/test_10.ring.wal.db` | 371.2 ± 74.0 | 264.3 | 514.3 | 2.20 ± 0.61 | | `test_10 db/test_10.wal.db` | 234.3 ± 49.2 | 159.4 | 292.6 | 1.39 ± 0.40 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_11` | 41.6 ± 7.9 | 26.8 | 98.6 | 1.00 | | `test_11 db/test_11.db` | 70.8 ± 6.8 | 57.4 | 87.9 | 1.70 ± 0.36 | | `test_11 db/test_11.ring.db` | 67.7 ± 12.1 | 47.6 | 86.0 | 1.63 ± 0.43 | | `test_11 db/test_11.ring.wal.db` | 78.5 ± 6.9 | 54.9 | 84.4 | 1.89 ± 0.40 | | `test_11 db/test_11.wal.db` | 55.3 ± 5.3 | 34.7 | 63.7 | 1.33 ± 0.28 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_12` | 77.1 ± 35.6 | 50.2 | 267.4 | 1.00 | | `test_12 db/test_12.db` | 161.1 ± 41.7 | 74.9 | 211.9 | 2.09 ± 1.11 | | `test_12 db/test_12.ring.db` | 148.1 ± 38.6 | 109.8 | 246.6 | 1.92 ± 1.02 | | `test_12 db/test_12.ring.wal.db` | 179.8 ± 25.1 | 119.6 | 212.5 | 2.33 ± 1.12 | | `test_12 db/test_12.wal.db` | 137.6 ± 22.2 | 105.1 | 188.5 | 1.78 ± 0.87 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_13` | 101.9 ± 14.4 | 63.5 | 117.8 | 1.00 | | `test_13 db/test_13.db` | 185.0 ± 30.1 | 128.7 | 245.4 | 1.81 ± 0.39 | | `test_13 db/test_13.ring.db` | 250.9 ± 83.4 | 160.5 | 381.9 | 2.46 ± 0.89 | | `test_13 db/test_13.ring.wal.db` | 332.1 ± 106.0 | 186.7 | 504.2 | 3.26 ± 1.14 | | `test_13 db/test_13.wal.db` | 168.7 ± 19.3 | 137.1 | 199.7 | 1.65 ± 0.30 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_14` | 148.4 ± 14.5 | 108.1 | 166.5 | 1.00 | | `test_14 db/test_14.db` | 334.2 ± 61.9 | 249.5 | 448.3 | 2.25 ± 0.47 | | `test_14 db/test_14.ring.db` | 624.7 ± 276.3 | 329.0 | 1044.9 | 4.21 ± 1.91 | | `test_14 db/test_14.ring.wal.db` | 606.2 ± 177.9 | 339.3 | 926.0 | 4.08 ± 1.26 | | `test_14 db/test_14.wal.db` | 339.9 ± 86.7 | 214.9 | 453.9 | 2.29 ± 0.63 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_15` | 138.9 ± 24.7 | 93.6 | 180.5 | 1.00 | | `test_15 db/test_15.db` | 178.4 ± 12.5 | 153.1 | 197.6 | 1.28 ± 0.25 | | `test_15 db/test_15.ring.db` | 220.3 ± 23.9 | 171.4 | 257.9 | 1.59 ± 0.33 | | `test_15 db/test_15.ring.wal.db` | 194.6 ± 41.9 | 150.1 | 255.0 | 1.40 ± 0.39 | | `test_15 db/test_15.wal.db` | 170.9 ± 8.6 | 145.4 | 186.8 | 1.23 ± 0.23 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|:---|---:|---:|---:|---:| +|---|---|---|---|---| | `test_16` | 154.5 ± 17.7 | 127.9 | 217.1 | 1.02 ± 0.25 | | `test_16 db/test_16.db` | 163.0 ± 42.7 | 119.6 | 306.8 | 1.08 ± 0.37 | | `test_16 db/test_16.ring.db` | 200.4 ± 20.3 | 145.3 | 225.0 | 1.32 ± 0.32 | diff --git a/include/mem_vfs.in.rs b/include/mem_vfs.in.rs index edbcf0b..fe665be 100644 --- a/include/mem_vfs.in.rs +++ b/include/mem_vfs.in.rs @@ -17,13 +17,6 @@ use sqlite3ext_sys::{ use std::io::{Error, Result, ErrorKind}; -/// There is some duplication between rusqlite / sqlite3ext / libsqlite3 -/// -/// The following dependency has to be copied by users to use this vfs implementation: -/// sqlite3ext-sys = {version="0.0.1", path="./sqlite3ext-sys"} -// TODO This lib should be released as the new 0.0.2 version, with the previously missing -// .default_macro_constant_type(bindgen::MacroTypeVariation::Signed) parameter - /// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c /// See https://www.sqlite.org/debugging.html for debugging methods struct MemVfs { From 725d61f3a58f40e0225cd155152dc9de0236e66a Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 14:46:29 +0100 Subject: [PATCH 132/142] adjust table formatting --- benchmarks/vfs/io_uring/README.md | 64 +++++++++++++++---------------- 1 file changed, 32 insertions(+), 32 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index da14f06..71b18fa 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -63,112 +63,112 @@ Lower "Relative" speed is better. ### Apple M2, Docker | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_1` | 5.3 ± 4.0 | 4.4 | 72.4 | 1.00 | | `test_1 db/test_1.db` | 1711.4 ± 75.7 | 1631.3 | 1847.3 | 320.26 ± 237.45 | | `test_1 db/test_1.ring.db` | 1531.8 ± 59.3 | 1488.8 | 1657.8 | 286.65 ± 212.44 | | `test_1 db/test_1.ring.wal.db` | 1534.6 ± 31.9 | 1498.6 | 1611.6 | 287.18 ± 212.63 | | `test_1 db/test_1.wal.db` | 230.8 ± 5.7 | 225.2 | 242.4 | 43.19 ± 31.98 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_2` | 98.4 ± 1.9 | 95.5 | 102.6 | 1.00 | | `test_2 db/test_2.db` | 120.6 ± 1.9 | 115.4 | 125.2 | 1.23 ± 0.03 | | `test_2 db/test_2.ring.db` | 130.3 ± 1.7 | 127.0 | 133.2 | 1.32 ± 0.03 | | `test_2 db/test_2.ring.wal.db` | 131.6 ± 5.7 | 128.0 | 154.8 | 1.34 ± 0.06 | | `test_2 db/test_2.wal.db` | 192.4 ± 30.4 | 164.0 | 259.9 | 1.96 ± 0.31 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_3` | 150.5 ± 24.8 | 125.5 | 186.1 | 1.00 | | `test_3 db/test_3.db` | 4062.4 ± 271.3 | 3654.4 | 4634.7 | 27.00 ± 4.81 | | `test_3 db/test_3.ring.db` | 5786.9 ± 221.8 | 5373.7 | 6080.0 | 38.45 ± 6.51 | | `test_3 db/test_3.ring.wal.db` | 5255.5 ± 465.5 | 4633.1 | 6161.7 | 34.92 ± 6.54 | | `test_3 db/test_3.wal.db` | 3534.8 ± 236.0 | 3205.1 | 3941.8 | 23.49 ± 4.18 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_4` | 96.9 ± 0.8 | 95.6 | 99.9 | 1.00 | | `test_4 db/test_4.db` | 149.5 ± 18.9 | 119.5 | 190.2 | 1.54 ± 0.20 | | `test_4 db/test_4.ring.db` | 135.1 ± 10.0 | 128.4 | 166.4 | 1.39 ± 0.10 | | `test_4 db/test_4.ring.wal.db` | 131.9 ± 3.2 | 129.0 | 142.4 | 1.36 ± 0.03 | | `test_4 db/test_4.wal.db` | 167.4 ± 2.2 | 163.4 | 170.2 | 1.73 ± 0.03 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_5` | 100.2 ± 11.4 | 95.8 | 156.2 | 1.00 | | `test_5 db/test_5.db` | 121.7 ± 2.3 | 115.3 | 126.7 | 1.22 ± 0.14 | | `test_5 db/test_5.ring.db` | 132.3 ± 5.3 | 128.6 | 152.6 | 1.32 ± 0.16 | | `test_5 db/test_5.ring.wal.db` | 131.9 ± 1.7 | 128.7 | 135.8 | 1.32 ± 0.15 | | `test_5 db/test_5.wal.db` | 165.3 ± 4.4 | 148.8 | 169.6 | 1.65 ± 0.19 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_6` | 95.3 ± 1.9 | 94.0 | 104.3 | 1.00 | | `test_6 db/test_6.db` | 7144.6 ± 409.3 | 6438.6 | 8050.1 | 74.97 ± 4.55 | | `test_6 db/test_6.ring.db` | 10845.3 ± 682.9 | 10037.5 | 12086.2 | 113.81 ± 7.52 | | `test_6 db/test_6.ring.wal.db` | 9824.5 ± 457.6 | 8931.9 | 10521.4 | 103.09 ± 5.22 | | `test_6 db/test_6.wal.db` | 6078.7 ± 330.6 | 5591.8 | 6572.9 | 63.79 ± 3.69 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_7` | 125.5 ± 4.0 | 122.7 | 142.1 | 1.00 | | `test_7 db/test_7.db` | 3461.0 ± 231.6 | 3128.8 | 4033.8 | 27.59 ± 2.05 | | `test_7 db/test_7.ring.db` | 4988.5 ± 393.6 | 4464.7 | 5771.1 | 39.76 ± 3.39 | | `test_7 db/test_7.ring.wal.db` | 4386.0 ± 287.8 | 3839.2 | 4848.0 | 34.96 ± 2.56 | | `test_7 db/test_7.wal.db` | 2758.9 ± 205.4 | 2436.4 | 3052.6 | 21.99 ± 1.78 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_8` | 645.1 ± 11.5 | 622.3 | 661.6 | 1.00 | | `test_8 db/test_8.db` | 24049.7 ± 2134.5 | 20911.2 | 27012.6 | 37.28 ± 3.37 | | `test_8 db/test_8.ring.db` | 74134.3 ± 6544.0 | 64428.8 | 83722.0 | 114.93 ± 10.35 | | `test_8 db/test_8.ring.wal.db` | 46114.0 ± 6595.8 | 36568.0 | 55722.2 | 71.49 ± 10.30 | | `test_8 db/test_8.wal.db` | 14945.2 ± 2118.4 | 12069.9 | 18285.6 | 23.17 ± 3.31 | | Command | Mean [s] | Min [s] | Max [s] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_9` | 1.412 ± 0.017 | 1.385 | 1.442 | 1.00 | | `test_9 db/test_9.db` | 12.207 ± 4.533 | 5.460 | 18.856 | 8.64 ± 3.21 | | `test_9 db/test_9.ring.db` | 12.158 ± 4.376 | 5.542 | 18.552 | 8.61 ± 3.10 | | `test_9 db/test_9.ring.wal.db` | 12.206 ± 4.383 | 5.726 | 18.597 | 8.64 ± 3.11 | | `test_9 db/test_9.wal.db` | 12.195 ± 4.370 | 5.635 | 18.386 | 8.63 ± 3.10 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_10` | 40.7 ± 1.3 | 40.0 | 48.9 | 1.00 | | `test_10 db/test_10.db` | 810.3 ± 45.6 | 741.3 | 880.1 | 19.93 ± 1.28 | | `test_10 db/test_10.ring.db` | 1058.8 ± 61.5 | 963.6 | 1158.3 | 26.04 ± 1.72 | | `test_10 db/test_10.ring.wal.db` | 843.9 ± 62.7 | 751.4 | 928.9 | 20.76 ± 1.67 | | `test_10 db/test_10.wal.db` | 626.8 ± 42.3 | 566.5 | 684.2 | 15.42 ± 1.15 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_11` | 9.6 ± 0.2 | 9.3 | 11.6 | 1.00 | | `test_11 db/test_11.db` | 20.8 ± 0.5 | 20.0 | 22.8 | 2.16 ± 0.08 | | `test_11 db/test_11.ring.db` | 27.8 ± 5.7 | 20.7 | 52.8 | 2.88 ± 0.59 | | `test_11 db/test_11.ring.wal.db` | 26.4 ± 8.8 | 21.0 | 89.2 | 2.74 ± 0.92 | | `test_11 db/test_11.wal.db` | 25.9 ± 0.7 | 22.6 | 31.0 | 2.69 ± 0.10 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_12` | 22.4 ± 0.6 | 21.8 | 25.9 | 1.00 | | `test_12 db/test_12.db` | 70.1 ± 19.7 | 40.9 | 179.4 | 3.13 ± 0.88 | | `test_12 db/test_12.ring.db` | 107.5 ± 31.5 | 52.1 | 161.9 | 4.80 ± 1.41 | | `test_12 db/test_12.ring.wal.db` | 111.2 ± 34.0 | 49.8 | 173.8 | 4.97 ± 1.53 | | `test_12 db/test_12.wal.db` | 69.3 ± 14.2 | 42.4 | 94.5 | 3.10 ± 0.64 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_13` | 26.3 ± 0.5 | 25.9 | 29.0 | 1.00 | | `test_13 db/test_13.db` | 394.9 ± 235.7 | 49.8 | 788.3 | 15.00 ± 8.96 | | `test_13 db/test_13.ring.db` | 375.3 ± 235.3 | 68.3 | 845.4 | 14.26 ± 8.94 | | `test_13 db/test_13.ring.wal.db` | 375.6 ± 234.6 | 70.3 | 810.0 | 14.27 ± 8.92 | | `test_13 db/test_13.wal.db` | 330.9 ± 195.5 | 62.2 | 675.6 | 12.57 ± 7.43 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_14` | 34.5 ± 0.6 | 33.8 | 36.7 | 1.00 | | `test_14 db/test_14.db` | 484.5 ± 243.8 | 118.3 | 1015.3 | 14.06 ± 7.08 | | `test_14 db/test_14.ring.db` | 494.4 ± 170.9 | 247.9 | 776.9 | 14.35 ± 4.97 | | `test_14 db/test_14.ring.wal.db` | 526.9 ± 223.5 | 202.0 | 895.1 | 15.29 ± 6.49 | | `test_14 db/test_14.wal.db` | 410.6 ± 130.4 | 232.0 | 609.7 | 11.92 ± 3.79 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_15` | 34.7 ± 0.8 | 34.0 | 38.8 | 1.00 | | `test_15 db/test_15.db` | 60.8 ± 1.3 | 56.8 | 63.5 | 1.75 ± 0.05 | | `test_15 db/test_15.ring.db` | 73.9 ± 3.2 | 69.9 | 87.3 | 2.13 ± 0.10 | | `test_15 db/test_15.ring.wal.db` | 74.4 ± 6.0 | 68.9 | 109.6 | 2.15 ± 0.18 | | `test_15 db/test_15.wal.db` | 62.5 ± 0.9 | 60.4 | 65.1 | 1.80 ± 0.05 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_16` | 33.4 ± 0.6 | 32.6 | 36.3 | 1.00 | | `test_16 db/test_16.db` | 47.9 ± 3.8 | 44.7 | 71.9 | 1.43 ± 0.12 | | `test_16 db/test_16.ring.db` | 53.2 ± 1.3 | 51.2 | 56.3 | 1.59 ± 0.05 | @@ -178,112 +178,112 @@ Lower "Relative" speed is better. ### x86_64 intel, VirtualBox | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_1` | 10.4 ± 9.4 | 8.6 | 153.4 | 1.00 | | `test_1 db/test_1.db` | 4630.9 ± 531.5 | 4197.1 | 5561.1 | 447.40 ± 410.79 | | `test_1 db/test_1.ring.db` | 1951.1 ± 685.1 | 1213.0 | 3503.8 | 188.50 ± 184.03 | | `test_1 db/test_1.ring.wal.db` | 2769.1 ± 1240.6 | 1346.5 | 4854.9 | 267.53 ± 271.59 | | `test_1 db/test_1.wal.db` | 2241.6 ± 183.8 | 2015.5 | 2596.8 | 216.56 ± 198.08 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_2` | 371.4 ± 66.4 | 247.1 | 420.9 | 1.03 ± 0.29 | | `test_2 db/test_2.db` | 435.4 ± 46.6 | 373.8 | 553.5 | 1.21 ± 0.29 | | `test_2 db/test_2.ring.db` | 397.4 ± 89.9 | 276.8 | 487.1 | 1.11 ± 0.34 | | `test_2 db/test_2.ring.wal.db` | 472.7 ± 36.7 | 423.8 | 548.1 | 1.31 ± 0.30 | | `test_2 db/test_2.wal.db` | 359.4 ± 76.1 | 257.9 | 450.0 | 1.00 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_3` | 527.9 ± 57.4 | 461.1 | 658.5 | 1.00 | | `test_3 db/test_3.db` | 1454.1 ± 180.4 | 1249.1 | 1760.7 | 2.75 ± 0.45 | | `test_3 db/test_3.ring.db` | 4028.8 ± 1773.4 | 1361.9 | 6070.2 | 7.63 ± 3.46 | | `test_3 db/test_3.ring.wal.db` | 3849.9 ± 2358.4 | 675.9 | 7601.8 | 7.29 ± 4.54 | | `test_3 db/test_3.wal.db` | 1032.9 ± 310.6 | 518.2 | 1313.2 | 1.96 ± 0.63 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_4` | 382.1 ± 47.0 | 245.2 | 417.7 | 1.00 | | `test_4 db/test_4.db` | 385.4 ± 58.8 | 258.0 | 441.8 | 1.01 ± 0.20 | | `test_4 db/test_4.ring.db` | 430.9 ± 35.5 | 375.4 | 489.9 | 1.13 ± 0.17 | | `test_4 db/test_4.ring.wal.db` | 427.9 ± 82.9 | 264.6 | 554.9 | 1.12 ± 0.26 | | `test_4 db/test_4.wal.db` | 420.7 ± 24.6 | 368.7 | 446.2 | 1.10 ± 0.15 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_5` | 326.6 ± 64.7 | 226.6 | 385.4 | 1.00 | | `test_5 db/test_5.db` | 391.5 ± 23.1 | 339.2 | 419.6 | 1.20 ± 0.25 | | `test_5 db/test_5.ring.db` | 387.9 ± 89.0 | 274.0 | 486.3 | 1.19 ± 0.36 | | `test_5 db/test_5.ring.wal.db` | 441.9 ± 27.2 | 406.4 | 484.0 | 1.35 ± 0.28 | | `test_5 db/test_5.wal.db` | 344.8 ± 78.3 | 251.2 | 448.1 | 1.06 ± 0.32 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_6` | 396.6 ± 43.5 | 345.7 | 506.1 | 1.00 | | `test_6 db/test_6.db` | 1856.5 ± 542.8 | 1206.1 | 3224.9 | 4.68 ± 1.46 | | `test_6 db/test_6.ring.db` | 5879.5 ± 3489.1 | 2376.7 | 10758.2 | 14.82 ± 8.95 | | `test_6 db/test_6.ring.wal.db` | 3898.6 ± 2451.7 | 788.7 | 9459.3 | 9.83 ± 6.28 | | `test_6 db/test_6.wal.db` | 1084.6 ± 240.4 | 677.9 | 1388.0 | 2.73 ± 0.68 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_7` | 494.5 ± 68.5 | 434.7 | 660.2 | 1.00 | | `test_7 db/test_7.db` | 1106.8 ± 152.7 | 803.0 | 1282.8 | 2.24 ± 0.44 | | `test_7 db/test_7.ring.db` | 2731.3 ± 1946.5 | 697.8 | 5350.9 | 5.52 ± 4.01 | | `test_7 db/test_7.ring.wal.db` | 2601.2 ± 1627.5 | 623.4 | 5079.9 | 5.26 ± 3.37 | | `test_7 db/test_7.wal.db` | 822.0 ± 209.7 | 564.6 | 1228.1 | 1.66 ± 0.48 | | Command | Mean [s] | Min [s] | Max [s] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_8` | 2.814 ± 0.281 | 2.314 | 3.102 | 1.00 | | `test_8 db/test_8.db` | 24.036 ± 8.930 | 11.041 | 37.724 | 8.54 ± 3.29 | | `test_8 db/test_8.ring.db` | 23.984 ± 9.013 | 11.103 | 38.410 | 8.52 ± 3.31 | | `test_8 db/test_8.ring.wal.db` | 24.274 ± 9.171 | 11.133 | 38.712 | 8.63 ± 3.37 | | `test_8 db/test_8.wal.db` | 24.158 ± 8.908 | 11.472 | 37.448 | 8.59 ± 3.28 | | Command | Mean [s] | Min [s] | Max [s] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_9` | 6.269 ± 0.283 | 5.881 | 6.623 | 1.00 | | `test_9 db/test_9.db` | 52.981 ± 19.343 | 24.574 | 82.915 | 8.45 ± 3.11 | | `test_9 db/test_9.ring.db` | 53.092 ± 19.455 | 24.432 | 83.084 | 8.47 ± 3.13 | | `test_9 db/test_9.ring.wal.db` | 53.961 ± 20.785 | 24.343 | 86.876 | 8.61 ± 3.34 | | `test_9 db/test_9.wal.db` | 55.347 ± 18.596 | 26.589 | 79.522 | 8.83 ± 2.99 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_10` | 168.6 ± 32.5 | 115.4 | 216.5 | 1.00 | | `test_10 db/test_10.db` | 272.7 ± 28.7 | 204.9 | 320.7 | 1.62 ± 0.36 | | `test_10 db/test_10.ring.db` | 373.0 ± 125.0 | 188.3 | 555.4 | 2.21 ± 0.86 | | `test_10 db/test_10.ring.wal.db` | 371.2 ± 74.0 | 264.3 | 514.3 | 2.20 ± 0.61 | | `test_10 db/test_10.wal.db` | 234.3 ± 49.2 | 159.4 | 292.6 | 1.39 ± 0.40 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_11` | 41.6 ± 7.9 | 26.8 | 98.6 | 1.00 | | `test_11 db/test_11.db` | 70.8 ± 6.8 | 57.4 | 87.9 | 1.70 ± 0.36 | | `test_11 db/test_11.ring.db` | 67.7 ± 12.1 | 47.6 | 86.0 | 1.63 ± 0.43 | | `test_11 db/test_11.ring.wal.db` | 78.5 ± 6.9 | 54.9 | 84.4 | 1.89 ± 0.40 | | `test_11 db/test_11.wal.db` | 55.3 ± 5.3 | 34.7 | 63.7 | 1.33 ± 0.28 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_12` | 77.1 ± 35.6 | 50.2 | 267.4 | 1.00 | | `test_12 db/test_12.db` | 161.1 ± 41.7 | 74.9 | 211.9 | 2.09 ± 1.11 | | `test_12 db/test_12.ring.db` | 148.1 ± 38.6 | 109.8 | 246.6 | 1.92 ± 1.02 | | `test_12 db/test_12.ring.wal.db` | 179.8 ± 25.1 | 119.6 | 212.5 | 2.33 ± 1.12 | | `test_12 db/test_12.wal.db` | 137.6 ± 22.2 | 105.1 | 188.5 | 1.78 ± 0.87 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_13` | 101.9 ± 14.4 | 63.5 | 117.8 | 1.00 | | `test_13 db/test_13.db` | 185.0 ± 30.1 | 128.7 | 245.4 | 1.81 ± 0.39 | | `test_13 db/test_13.ring.db` | 250.9 ± 83.4 | 160.5 | 381.9 | 2.46 ± 0.89 | | `test_13 db/test_13.ring.wal.db` | 332.1 ± 106.0 | 186.7 | 504.2 | 3.26 ± 1.14 | | `test_13 db/test_13.wal.db` | 168.7 ± 19.3 | 137.1 | 199.7 | 1.65 ± 0.30 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_14` | 148.4 ± 14.5 | 108.1 | 166.5 | 1.00 | | `test_14 db/test_14.db` | 334.2 ± 61.9 | 249.5 | 448.3 | 2.25 ± 0.47 | | `test_14 db/test_14.ring.db` | 624.7 ± 276.3 | 329.0 | 1044.9 | 4.21 ± 1.91 | | `test_14 db/test_14.ring.wal.db` | 606.2 ± 177.9 | 339.3 | 926.0 | 4.08 ± 1.26 | | `test_14 db/test_14.wal.db` | 339.9 ± 86.7 | 214.9 | 453.9 | 2.29 ± 0.63 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_15` | 138.9 ± 24.7 | 93.6 | 180.5 | 1.00 | | `test_15 db/test_15.db` | 178.4 ± 12.5 | 153.1 | 197.6 | 1.28 ± 0.25 | | `test_15 db/test_15.ring.db` | 220.3 ± 23.9 | 171.4 | 257.9 | 1.59 ± 0.33 | | `test_15 db/test_15.ring.wal.db` | 194.6 ± 41.9 | 150.1 | 255.0 | 1.40 ± 0.39 | | `test_15 db/test_15.wal.db` | 170.9 ± 8.6 | 145.4 | 186.8 | 1.23 ± 0.23 | | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | -|---|---|---|---|---| +| --- | --- | --- | --- | --- | | `test_16` | 154.5 ± 17.7 | 127.9 | 217.1 | 1.02 ± 0.25 | | `test_16 db/test_16.db` | 163.0 ± 42.7 | 119.6 | 306.8 | 1.08 ± 0.37 | | `test_16 db/test_16.ring.db` | 200.4 ± 20.3 | 145.3 | 225.0 | 1.32 ± 0.32 | From 452a1dd51c854849092bc96d13d00ff73f5c1e7b Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 14:56:38 +0100 Subject: [PATCH 133/142] adjust tables and docs --- benchmarks/vfs/io_uring/README.md | 64 +++++++++++++++++++++++-------- 1 file changed, 47 insertions(+), 17 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index 71b18fa..d6bece1 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -21,22 +21,22 @@ to show whether adding IO Uring support to a custom vfs will impact sqlite3's pe | Test | Description | | --- | --- | -| 1 | INSERTs | -| 2 | INSERTs in a transaction | -| 3 | INSERTs into an indexed table | -| 4 | SELECTs without an index | -| 5 | SELECTs on a string comparison | -| 6 | Creating an index | -| 7 | SELECTs with an index | -| 8 | UPDATEs without an index | -| 9 | UPDATEs with an index | -| 10 | Text UPDATEs with an index | -| 11 | INSERTs from a SELECT | -| 12 | DELETE without an index | -| 13 | DELETE with an index | -| 14 | A big INSERT after a big DELETE | -| 15 | A big DELETE followed by many small INSERTs | -| 16 | DROP TABLE | +| [1](./examples/test_1.rs) | INSERTs | +| [2](./examples/test_2.rs) | INSERTs in a transaction | +| [3](./examples/test_3.rs) | INSERTs into an indexed table | +| [4](./examples/test_4.rs) | SELECTs without an index | +| [5](./examples/test_5.rs) | SELECTs on a string comparison | +| [6](./examples/test_6.rs) | Creating an index | +| [7](./examples/test_7.rs) | SELECTs with an index | +| [8](./examples/test_8.rs) | UPDATEs without an index | +| [9](./examples/test_9.rs) | UPDATEs with an index | +| [10](./examples/test_10.rs) | Text UPDATEs with an index | +| [11](./examples/test_11.rs) | INSERTs from a SELECT | +| [12](./examples/test_12.rs) | DELETE without an index | +| [13](./examples/test_13.rs) | DELETE with an index | +| [14](./examples/test_14.rs) | A big INSERT after a big DELETE | +| [15](./examples/test_15.rs) | A big DELETE followed by many small INSERTs | +| [16](./examples/test_16.rs) | DROP TABLE | ## Run the tests Run [this script](./run-hyperfine.sh) in a shell @@ -69,6 +69,7 @@ Lower "Relative" speed is better. | `test_1 db/test_1.ring.db` | 1531.8 ± 59.3 | 1488.8 | 1657.8 | 286.65 ± 212.44 | | `test_1 db/test_1.ring.wal.db` | 1534.6 ± 31.9 | 1498.6 | 1611.6 | 287.18 ± 212.63 | | `test_1 db/test_1.wal.db` | 230.8 ± 5.7 | 225.2 | 242.4 | 43.19 ± 31.98 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_2` | 98.4 ± 1.9 | 95.5 | 102.6 | 1.00 | @@ -76,6 +77,7 @@ Lower "Relative" speed is better. | `test_2 db/test_2.ring.db` | 130.3 ± 1.7 | 127.0 | 133.2 | 1.32 ± 0.03 | | `test_2 db/test_2.ring.wal.db` | 131.6 ± 5.7 | 128.0 | 154.8 | 1.34 ± 0.06 | | `test_2 db/test_2.wal.db` | 192.4 ± 30.4 | 164.0 | 259.9 | 1.96 ± 0.31 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_3` | 150.5 ± 24.8 | 125.5 | 186.1 | 1.00 | @@ -83,6 +85,7 @@ Lower "Relative" speed is better. | `test_3 db/test_3.ring.db` | 5786.9 ± 221.8 | 5373.7 | 6080.0 | 38.45 ± 6.51 | | `test_3 db/test_3.ring.wal.db` | 5255.5 ± 465.5 | 4633.1 | 6161.7 | 34.92 ± 6.54 | | `test_3 db/test_3.wal.db` | 3534.8 ± 236.0 | 3205.1 | 3941.8 | 23.49 ± 4.18 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_4` | 96.9 ± 0.8 | 95.6 | 99.9 | 1.00 | @@ -90,6 +93,7 @@ Lower "Relative" speed is better. | `test_4 db/test_4.ring.db` | 135.1 ± 10.0 | 128.4 | 166.4 | 1.39 ± 0.10 | | `test_4 db/test_4.ring.wal.db` | 131.9 ± 3.2 | 129.0 | 142.4 | 1.36 ± 0.03 | | `test_4 db/test_4.wal.db` | 167.4 ± 2.2 | 163.4 | 170.2 | 1.73 ± 0.03 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_5` | 100.2 ± 11.4 | 95.8 | 156.2 | 1.00 | @@ -97,6 +101,7 @@ Lower "Relative" speed is better. | `test_5 db/test_5.ring.db` | 132.3 ± 5.3 | 128.6 | 152.6 | 1.32 ± 0.16 | | `test_5 db/test_5.ring.wal.db` | 131.9 ± 1.7 | 128.7 | 135.8 | 1.32 ± 0.15 | | `test_5 db/test_5.wal.db` | 165.3 ± 4.4 | 148.8 | 169.6 | 1.65 ± 0.19 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_6` | 95.3 ± 1.9 | 94.0 | 104.3 | 1.00 | @@ -104,6 +109,7 @@ Lower "Relative" speed is better. | `test_6 db/test_6.ring.db` | 10845.3 ± 682.9 | 10037.5 | 12086.2 | 113.81 ± 7.52 | | `test_6 db/test_6.ring.wal.db` | 9824.5 ± 457.6 | 8931.9 | 10521.4 | 103.09 ± 5.22 | | `test_6 db/test_6.wal.db` | 6078.7 ± 330.6 | 5591.8 | 6572.9 | 63.79 ± 3.69 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_7` | 125.5 ± 4.0 | 122.7 | 142.1 | 1.00 | @@ -111,6 +117,7 @@ Lower "Relative" speed is better. | `test_7 db/test_7.ring.db` | 4988.5 ± 393.6 | 4464.7 | 5771.1 | 39.76 ± 3.39 | | `test_7 db/test_7.ring.wal.db` | 4386.0 ± 287.8 | 3839.2 | 4848.0 | 34.96 ± 2.56 | | `test_7 db/test_7.wal.db` | 2758.9 ± 205.4 | 2436.4 | 3052.6 | 21.99 ± 1.78 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_8` | 645.1 ± 11.5 | 622.3 | 661.6 | 1.00 | @@ -118,6 +125,7 @@ Lower "Relative" speed is better. | `test_8 db/test_8.ring.db` | 74134.3 ± 6544.0 | 64428.8 | 83722.0 | 114.93 ± 10.35 | | `test_8 db/test_8.ring.wal.db` | 46114.0 ± 6595.8 | 36568.0 | 55722.2 | 71.49 ± 10.30 | | `test_8 db/test_8.wal.db` | 14945.2 ± 2118.4 | 12069.9 | 18285.6 | 23.17 ± 3.31 | + | Command | Mean [s] | Min [s] | Max [s] | Relative | | --- | --- | --- | --- | --- | | `test_9` | 1.412 ± 0.017 | 1.385 | 1.442 | 1.00 | @@ -125,6 +133,7 @@ Lower "Relative" speed is better. | `test_9 db/test_9.ring.db` | 12.158 ± 4.376 | 5.542 | 18.552 | 8.61 ± 3.10 | | `test_9 db/test_9.ring.wal.db` | 12.206 ± 4.383 | 5.726 | 18.597 | 8.64 ± 3.11 | | `test_9 db/test_9.wal.db` | 12.195 ± 4.370 | 5.635 | 18.386 | 8.63 ± 3.10 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_10` | 40.7 ± 1.3 | 40.0 | 48.9 | 1.00 | @@ -132,6 +141,7 @@ Lower "Relative" speed is better. | `test_10 db/test_10.ring.db` | 1058.8 ± 61.5 | 963.6 | 1158.3 | 26.04 ± 1.72 | | `test_10 db/test_10.ring.wal.db` | 843.9 ± 62.7 | 751.4 | 928.9 | 20.76 ± 1.67 | | `test_10 db/test_10.wal.db` | 626.8 ± 42.3 | 566.5 | 684.2 | 15.42 ± 1.15 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_11` | 9.6 ± 0.2 | 9.3 | 11.6 | 1.00 | @@ -139,6 +149,7 @@ Lower "Relative" speed is better. | `test_11 db/test_11.ring.db` | 27.8 ± 5.7 | 20.7 | 52.8 | 2.88 ± 0.59 | | `test_11 db/test_11.ring.wal.db` | 26.4 ± 8.8 | 21.0 | 89.2 | 2.74 ± 0.92 | | `test_11 db/test_11.wal.db` | 25.9 ± 0.7 | 22.6 | 31.0 | 2.69 ± 0.10 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_12` | 22.4 ± 0.6 | 21.8 | 25.9 | 1.00 | @@ -146,6 +157,7 @@ Lower "Relative" speed is better. | `test_12 db/test_12.ring.db` | 107.5 ± 31.5 | 52.1 | 161.9 | 4.80 ± 1.41 | | `test_12 db/test_12.ring.wal.db` | 111.2 ± 34.0 | 49.8 | 173.8 | 4.97 ± 1.53 | | `test_12 db/test_12.wal.db` | 69.3 ± 14.2 | 42.4 | 94.5 | 3.10 ± 0.64 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_13` | 26.3 ± 0.5 | 25.9 | 29.0 | 1.00 | @@ -153,6 +165,7 @@ Lower "Relative" speed is better. | `test_13 db/test_13.ring.db` | 375.3 ± 235.3 | 68.3 | 845.4 | 14.26 ± 8.94 | | `test_13 db/test_13.ring.wal.db` | 375.6 ± 234.6 | 70.3 | 810.0 | 14.27 ± 8.92 | | `test_13 db/test_13.wal.db` | 330.9 ± 195.5 | 62.2 | 675.6 | 12.57 ± 7.43 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_14` | 34.5 ± 0.6 | 33.8 | 36.7 | 1.00 | @@ -160,6 +173,7 @@ Lower "Relative" speed is better. | `test_14 db/test_14.ring.db` | 494.4 ± 170.9 | 247.9 | 776.9 | 14.35 ± 4.97 | | `test_14 db/test_14.ring.wal.db` | 526.9 ± 223.5 | 202.0 | 895.1 | 15.29 ± 6.49 | | `test_14 db/test_14.wal.db` | 410.6 ± 130.4 | 232.0 | 609.7 | 11.92 ± 3.79 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_15` | 34.7 ± 0.8 | 34.0 | 38.8 | 1.00 | @@ -167,6 +181,7 @@ Lower "Relative" speed is better. | `test_15 db/test_15.ring.db` | 73.9 ± 3.2 | 69.9 | 87.3 | 2.13 ± 0.10 | | `test_15 db/test_15.ring.wal.db` | 74.4 ± 6.0 | 68.9 | 109.6 | 2.15 ± 0.18 | | `test_15 db/test_15.wal.db` | 62.5 ± 0.9 | 60.4 | 65.1 | 1.80 ± 0.05 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_16` | 33.4 ± 0.6 | 32.6 | 36.3 | 1.00 | @@ -184,6 +199,7 @@ Lower "Relative" speed is better. | `test_1 db/test_1.ring.db` | 1951.1 ± 685.1 | 1213.0 | 3503.8 | 188.50 ± 184.03 | | `test_1 db/test_1.ring.wal.db` | 2769.1 ± 1240.6 | 1346.5 | 4854.9 | 267.53 ± 271.59 | | `test_1 db/test_1.wal.db` | 2241.6 ± 183.8 | 2015.5 | 2596.8 | 216.56 ± 198.08 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_2` | 371.4 ± 66.4 | 247.1 | 420.9 | 1.03 ± 0.29 | @@ -191,6 +207,7 @@ Lower "Relative" speed is better. | `test_2 db/test_2.ring.db` | 397.4 ± 89.9 | 276.8 | 487.1 | 1.11 ± 0.34 | | `test_2 db/test_2.ring.wal.db` | 472.7 ± 36.7 | 423.8 | 548.1 | 1.31 ± 0.30 | | `test_2 db/test_2.wal.db` | 359.4 ± 76.1 | 257.9 | 450.0 | 1.00 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_3` | 527.9 ± 57.4 | 461.1 | 658.5 | 1.00 | @@ -198,6 +215,7 @@ Lower "Relative" speed is better. | `test_3 db/test_3.ring.db` | 4028.8 ± 1773.4 | 1361.9 | 6070.2 | 7.63 ± 3.46 | | `test_3 db/test_3.ring.wal.db` | 3849.9 ± 2358.4 | 675.9 | 7601.8 | 7.29 ± 4.54 | | `test_3 db/test_3.wal.db` | 1032.9 ± 310.6 | 518.2 | 1313.2 | 1.96 ± 0.63 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_4` | 382.1 ± 47.0 | 245.2 | 417.7 | 1.00 | @@ -205,6 +223,7 @@ Lower "Relative" speed is better. | `test_4 db/test_4.ring.db` | 430.9 ± 35.5 | 375.4 | 489.9 | 1.13 ± 0.17 | | `test_4 db/test_4.ring.wal.db` | 427.9 ± 82.9 | 264.6 | 554.9 | 1.12 ± 0.26 | | `test_4 db/test_4.wal.db` | 420.7 ± 24.6 | 368.7 | 446.2 | 1.10 ± 0.15 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_5` | 326.6 ± 64.7 | 226.6 | 385.4 | 1.00 | @@ -212,6 +231,7 @@ Lower "Relative" speed is better. | `test_5 db/test_5.ring.db` | 387.9 ± 89.0 | 274.0 | 486.3 | 1.19 ± 0.36 | | `test_5 db/test_5.ring.wal.db` | 441.9 ± 27.2 | 406.4 | 484.0 | 1.35 ± 0.28 | | `test_5 db/test_5.wal.db` | 344.8 ± 78.3 | 251.2 | 448.1 | 1.06 ± 0.32 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_6` | 396.6 ± 43.5 | 345.7 | 506.1 | 1.00 | @@ -219,6 +239,7 @@ Lower "Relative" speed is better. | `test_6 db/test_6.ring.db` | 5879.5 ± 3489.1 | 2376.7 | 10758.2 | 14.82 ± 8.95 | | `test_6 db/test_6.ring.wal.db` | 3898.6 ± 2451.7 | 788.7 | 9459.3 | 9.83 ± 6.28 | | `test_6 db/test_6.wal.db` | 1084.6 ± 240.4 | 677.9 | 1388.0 | 2.73 ± 0.68 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_7` | 494.5 ± 68.5 | 434.7 | 660.2 | 1.00 | @@ -226,6 +247,7 @@ Lower "Relative" speed is better. | `test_7 db/test_7.ring.db` | 2731.3 ± 1946.5 | 697.8 | 5350.9 | 5.52 ± 4.01 | | `test_7 db/test_7.ring.wal.db` | 2601.2 ± 1627.5 | 623.4 | 5079.9 | 5.26 ± 3.37 | | `test_7 db/test_7.wal.db` | 822.0 ± 209.7 | 564.6 | 1228.1 | 1.66 ± 0.48 | + | Command | Mean [s] | Min [s] | Max [s] | Relative | | --- | --- | --- | --- | --- | | `test_8` | 2.814 ± 0.281 | 2.314 | 3.102 | 1.00 | @@ -233,6 +255,7 @@ Lower "Relative" speed is better. | `test_8 db/test_8.ring.db` | 23.984 ± 9.013 | 11.103 | 38.410 | 8.52 ± 3.31 | | `test_8 db/test_8.ring.wal.db` | 24.274 ± 9.171 | 11.133 | 38.712 | 8.63 ± 3.37 | | `test_8 db/test_8.wal.db` | 24.158 ± 8.908 | 11.472 | 37.448 | 8.59 ± 3.28 | + | Command | Mean [s] | Min [s] | Max [s] | Relative | | --- | --- | --- | --- | --- | | `test_9` | 6.269 ± 0.283 | 5.881 | 6.623 | 1.00 | @@ -240,6 +263,7 @@ Lower "Relative" speed is better. | `test_9 db/test_9.ring.db` | 53.092 ± 19.455 | 24.432 | 83.084 | 8.47 ± 3.13 | | `test_9 db/test_9.ring.wal.db` | 53.961 ± 20.785 | 24.343 | 86.876 | 8.61 ± 3.34 | | `test_9 db/test_9.wal.db` | 55.347 ± 18.596 | 26.589 | 79.522 | 8.83 ± 2.99 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_10` | 168.6 ± 32.5 | 115.4 | 216.5 | 1.00 | @@ -247,6 +271,7 @@ Lower "Relative" speed is better. | `test_10 db/test_10.ring.db` | 373.0 ± 125.0 | 188.3 | 555.4 | 2.21 ± 0.86 | | `test_10 db/test_10.ring.wal.db` | 371.2 ± 74.0 | 264.3 | 514.3 | 2.20 ± 0.61 | | `test_10 db/test_10.wal.db` | 234.3 ± 49.2 | 159.4 | 292.6 | 1.39 ± 0.40 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_11` | 41.6 ± 7.9 | 26.8 | 98.6 | 1.00 | @@ -254,6 +279,7 @@ Lower "Relative" speed is better. | `test_11 db/test_11.ring.db` | 67.7 ± 12.1 | 47.6 | 86.0 | 1.63 ± 0.43 | | `test_11 db/test_11.ring.wal.db` | 78.5 ± 6.9 | 54.9 | 84.4 | 1.89 ± 0.40 | | `test_11 db/test_11.wal.db` | 55.3 ± 5.3 | 34.7 | 63.7 | 1.33 ± 0.28 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_12` | 77.1 ± 35.6 | 50.2 | 267.4 | 1.00 | @@ -261,6 +287,7 @@ Lower "Relative" speed is better. | `test_12 db/test_12.ring.db` | 148.1 ± 38.6 | 109.8 | 246.6 | 1.92 ± 1.02 | | `test_12 db/test_12.ring.wal.db` | 179.8 ± 25.1 | 119.6 | 212.5 | 2.33 ± 1.12 | | `test_12 db/test_12.wal.db` | 137.6 ± 22.2 | 105.1 | 188.5 | 1.78 ± 0.87 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_13` | 101.9 ± 14.4 | 63.5 | 117.8 | 1.00 | @@ -268,6 +295,7 @@ Lower "Relative" speed is better. | `test_13 db/test_13.ring.db` | 250.9 ± 83.4 | 160.5 | 381.9 | 2.46 ± 0.89 | | `test_13 db/test_13.ring.wal.db` | 332.1 ± 106.0 | 186.7 | 504.2 | 3.26 ± 1.14 | | `test_13 db/test_13.wal.db` | 168.7 ± 19.3 | 137.1 | 199.7 | 1.65 ± 0.30 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_14` | 148.4 ± 14.5 | 108.1 | 166.5 | 1.00 | @@ -275,6 +303,7 @@ Lower "Relative" speed is better. | `test_14 db/test_14.ring.db` | 624.7 ± 276.3 | 329.0 | 1044.9 | 4.21 ± 1.91 | | `test_14 db/test_14.ring.wal.db` | 606.2 ± 177.9 | 339.3 | 926.0 | 4.08 ± 1.26 | | `test_14 db/test_14.wal.db` | 339.9 ± 86.7 | 214.9 | 453.9 | 2.29 ± 0.63 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_15` | 138.9 ± 24.7 | 93.6 | 180.5 | 1.00 | @@ -282,6 +311,7 @@ Lower "Relative" speed is better. | `test_15 db/test_15.ring.db` | 220.3 ± 23.9 | 171.4 | 257.9 | 1.59 ± 0.33 | | `test_15 db/test_15.ring.wal.db` | 194.6 ± 41.9 | 150.1 | 255.0 | 1.40 ± 0.39 | | `test_15 db/test_15.wal.db` | 170.9 ± 8.6 | 145.4 | 186.8 | 1.23 ± 0.23 | + | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | | `test_16` | 154.5 ± 17.7 | 127.9 | 217.1 | 1.02 ± 0.25 | @@ -299,7 +329,7 @@ WAL on IO Uring VFS has some competitive edge, less than half, but not on all te ## Conclusion -Do not trust these numbers with your life. The tests ran on a "noisy" machine. +***Warning***: Do not trust these numbers, run them yourself. These tests ran on "noisy" virtualized / containerized machines. For speed, there is no reason to use IO Uring at all, with this specific implementation. Maybe except for those specific cases were IO Uring + WAL seems to have a competitive edge. From 264a811b9fe373667d0194871f77c4f05c585ccc Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 15:26:42 +0100 Subject: [PATCH 134/142] add linux kernel version --- benchmarks/vfs/io_uring/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/benchmarks/vfs/io_uring/README.md b/benchmarks/vfs/io_uring/README.md index d6bece1..a2edc91 100644 --- a/benchmarks/vfs/io_uring/README.md +++ b/benchmarks/vfs/io_uring/README.md @@ -60,7 +60,7 @@ Your mileage might vary. Lower "Relative" speed is better. -### Apple M2, Docker +### Apple M2, Docker, Linux 6.3.13-linuxkit | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | @@ -190,7 +190,7 @@ Lower "Relative" speed is better. | `test_16 db/test_16.ring.wal.db` | 53.7 ± 1.9 | 51.0 | 64.1 | 1.61 ± 0.07 | | `test_16 db/test_16.wal.db` | 64.0 ± 1.2 | 61.6 | 66.5 | 1.91 ± 0.05 | -### x86_64 intel, VirtualBox +### x86_64 intel, VirtualBox, 6.1.0-14-amd64 | Command | Mean [ms] | Min [ms] | Max [ms] | Relative | | --- | --- | --- | --- | --- | From d233560cd2ff39692def845ddbcfb23be7124b62 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 17:00:16 +0100 Subject: [PATCH 135/142] update doc, how to load the vfs --- README.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/README.md b/README.md index 632c1c9..8578d66 100644 --- a/README.md +++ b/README.md @@ -141,6 +141,11 @@ There are two examples of how to apply this library to create your own vfs. In summary, you need to extend two traits "SqliteIoMethods" and "SqliteVfs", then attach those together in the open function in SqliteVfs. +You can load the custom vfs in a compiled sqlite3 binary, by doing the following: +* In Cargo.toml, make sure the feature "static" is disabled: sqlite-loadable = {path="..."} +* Load the dynamic object, e.g.: sqlite3 -cmd '.load ./target/debug/lib_myvfs' +* in SQL: ATTACH 'file:my.db?vfs=myvfs' as myvfs + ## Examples The [`examples/`](./examples/) directory has a few bare-bones examples of extensions, which you can build with: From 2e089c36a84484ac4e16472a09fb710046aa5a13 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 17:50:02 +0100 Subject: [PATCH 136/142] adapted sql script to test the loadable vfs --- benchmarks/vfs/io_uring/iouring.sql | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/benchmarks/vfs/io_uring/iouring.sql b/benchmarks/vfs/io_uring/iouring.sql index 3e70f1e..1ded9bb 100644 --- a/benchmarks/vfs/io_uring/iouring.sql +++ b/benchmarks/vfs/io_uring/iouring.sql @@ -1,19 +1,28 @@ +-- HOWTO +-- 0. Make sure the sqlite3 was built with the build tag: SQLITE3VFS_LOADABLE_EXT +-- 1. In Cargo.toml, disable the 'static' feature, from the sqlite-loadable library +-- it should look like this: sqlite-loadable = {path="../../../"} +-- 2. Cargo build +-- 3. load this script: sqlite3 --init iouring.sql + +-- This script was tested on 3.44.2, compiled with: +-- gcc -g -DSQLITE_DEBUG shell.c sqlite3.c -lpthread -ldl -o sqlite3 + .mode box .header on .load target/debug/lib_iouringvfs -.eqp full --- trace not supported in version: 3.40.1 2022-12-28 14:03:47 df5c253c0b3dd24916e4ec7cf77d3db5294cc9fd45ae7b9c5e82ad8197f3alt1 -SELECT io_uring_vfs_from_file('iouring-ext.db'); +--ATTACH io_uring_vfs_from_file('iouring.db') AS "iouring0"; +--SELECT io_uring_vfs_from_file('iouring.db'); -ATTACH io_uring_vfs_from_file('iouring-ext.db') AS "iouring-ext"; +ATTACH 'file:iouring.db?vfs=iouring' as iouring; -.open "iouring-ext.db" +.open "iouring.db" .vfslist -CREATE TABLE t3(x varchar(10), y integer); +CREATE TABLE IF NOT EXISTS t3(x varchar(10), y integer); INSERT INTO t3 VALUES('a', 4), ('b', 5), From 179df1ed5f48c2627f3796d85862c4d7e30d9fc6 Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 20:35:22 +0100 Subject: [PATCH 137/142] improve error handling, add comments --- benchmarks/vfs/io_uring/src/lib.rs | 46 +++++++++++--------- benchmarks/vfs/io_uring/src/open.rs | 11 +---- benchmarks/vfs/io_uring/src/ops/fd.rs | 14 +++--- benchmarks/vfs/io_uring/src/ops/fixed.rs | 16 +++---- benchmarks/vfs/io_uring/src/ops/mod.rs | 2 +- benchmarks/vfs/io_uring/tests/test_ops_fd.rs | 4 ++ 6 files changed, 47 insertions(+), 46 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index b0dddd8..9110f61 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -38,12 +38,6 @@ use std::io::{Error, ErrorKind, Result}; use crate::ops::OpsFd; -/// Inspired by https://www.sqlite.org/src/file/ext/misc/memvfs.c - -// Based on the following article for default vfs, mem vfs and io uring vfs -// source: https://voidstar.tech/sqlite_insert_speed -// source: https://www.sqlite.org/speed.html - pub const EXTENSION_NAME: &str = "iouring"; pub const RING_SIZE: u32 = 32; @@ -55,7 +49,6 @@ struct IoUringVfs { ring: Rc>, } -// TODO replace all unwraps with proper error handling impl SqliteVfs for IoUringVfs { fn open( &mut self, @@ -66,8 +59,6 @@ impl SqliteVfs for IoUringVfs { ) -> Result<()> { let mut uring_ops = OpsFd::from_rc_refcell_ring(z_name as *mut _, self.ring.clone()); - let file_name = unsafe { CStr::from_ptr(z_name).to_str().unwrap() }; - uring_ops.open_file()?; unsafe { prepare_file_ptr(p_file, uring_ops) }; @@ -75,32 +66,45 @@ impl SqliteVfs for IoUringVfs { Ok(()) } - // TODO replace with io_uring's system call free delete fn delete(&mut self, z_name: *const c_char, sync_dir: i32) -> Result<()> { log::trace!("delete"); let f = unsafe { CStr::from_ptr(z_name) }; - // TODO handle error - let file_path_str = f.to_str().unwrap(); + let file_path_str = f.to_str().expect("invalid UTF-8 string"); - // TODO handle error if let Ok(metadata) = fs::metadata(std::path::Path::new(file_path_str)) { if metadata.is_file() { - self.default_vfs.delete(z_name, sync_dir); + self.default_vfs.delete(z_name, sync_dir)?; + }else { + return Err(Error::new(ErrorKind::NotFound, "pointer did not refer to valid file")); } + }else { + return Err(Error::new(ErrorKind::NotFound, "failed to fetch metadata on file")); } Ok(()) } fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { - log::trace!("access"); + log::trace!("access, flags {}", flags); + + let f = unsafe { CStr::from_ptr(z_name) }; - unsafe { - // *p_res_out = if self.wal { 1 } else { 0 }; - *p_res_out = 0; + let file_path_str = f.to_str().expect("invalid UTF-8 string"); + + if let Ok(metadata) = fs::metadata(std::path::Path::new(file_path_str)) { + if metadata.is_file() && !metadata.permissions().readonly() { + unsafe { *p_res_out = 0 }; + }else { + unsafe { *p_res_out = 1 }; + return Err(Error::new(ErrorKind::PermissionDenied, "Not a file or read-only file")); + } + }else { + unsafe { *p_res_out = 1 }; + return Err(Error::new(ErrorKind::NotFound, "failed to fetch metadata on file")); } + Ok(()) } @@ -121,7 +125,7 @@ impl SqliteVfs for IoUringVfs { Ok(()) } - /// From here onwards, all calls are redirected to the default vfs + /// From here onwards, all calls are redirected to the default vfs, e.g. default unix vfs // fn dl_open(&mut self, z_filename: *const c_char) -> *mut c_void { // self.default_vfs.dl_open(z_filename) // } @@ -202,11 +206,11 @@ fn vfs_from_file( pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> { let vfs_name = CString::new(EXTENSION_NAME).expect("should be fine"); - let shimmed_name = CString::new("unix").unwrap(); + let shimmed_name = CString::new("unix").expect("cannot find the default linux vfs"); let shimmed_vfs_char = shimmed_name.as_ptr() as *const c_char; let shimmed_vfs = unsafe { sqlite3ext_vfs_find(shimmed_vfs_char) }; - let mut ring = Rc::new(RefCell::new(IoUring::new(RING_SIZE).unwrap())); + let mut ring = Rc::new(RefCell::new(IoUring::new(RING_SIZE).expect("unable to create a ring"))); let ring_vfs = IoUringVfs { default_vfs: unsafe { diff --git a/benchmarks/vfs/io_uring/src/open.rs b/benchmarks/vfs/io_uring/src/open.rs index 0f10613..1b41660 100644 --- a/benchmarks/vfs/io_uring/src/open.rs +++ b/benchmarks/vfs/io_uring/src/open.rs @@ -1,7 +1,3 @@ -#![allow(clippy::question_mark)] -//! Create a custom SQLite virtual file system by implementing the [Vfs] trait and registering it -//! using [register]. - use std::borrow::Cow; use std::collections::HashMap; use std::ffi::{c_void, CStr, CString}; @@ -24,9 +20,6 @@ pub struct OpenOptions { /// The access an object is opened with. pub access: OpenAccess, - - /// The file should be deleted when it is closed. - delete_on_close: bool, } /* @@ -80,5 +73,5 @@ pub enum OpenAccess { Create = 6, /// Create the file, but throw if it it already exist (includes write and read access). - CreateNewThrowIfExists = 8, // TODO figure out how to support on io_uring -} + CreateNewThrowIfExists = 8, +} \ No newline at end of file diff --git a/benchmarks/vfs/io_uring/src/ops/fd.rs b/benchmarks/vfs/io_uring/src/ops/fd.rs index 0211198..9e81e24 100644 --- a/benchmarks/vfs/io_uring/src/ops/fd.rs +++ b/benchmarks/vfs/io_uring/src/ops/fd.rs @@ -58,7 +58,7 @@ pub struct OpsFd { impl OpsFd { // Used for tests pub fn new(file_path: *const char, ring_size: u32) -> Self { - let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).unwrap())); + let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).expect("unable to create a ring"))); Self::from_rc_refcell_ring(file_path, ring) } @@ -73,7 +73,7 @@ impl OpsFd { file_name: unsafe { CStr::from_ptr(file_path as *const _) .to_str() - .unwrap() + .expect("invalid utf8") .to_string() }, } @@ -139,7 +139,7 @@ impl OpsFd { pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fd(self.file_fd.expect("missing fd")); let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_READ)) @@ -163,7 +163,7 @@ impl OpsFd { pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fd(self.file_fd.expect("missing fd")); let mut op = opcode::Write::new(fd, buf_in as _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) @@ -192,7 +192,7 @@ impl OpsFd { // let mut ring = self.ring.as_ref().borrow_mut(); - // let fd = types::Fd(self.file_fd.unwrap()); + // let fd = types::Fd(self.file_fd.expect("missing fd")); // let new_size: u64 = size.try_into().unwrap(); // let mut op = opcode::Fallocate::new(fd, (*file_size_ptr) - new_size) // .offset((size - 1).try_into().unwrap()) @@ -249,7 +249,7 @@ impl OpsFd { pub unsafe fn o_close(&mut self) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fd(self.file_fd.expect("missing fd")); let mut op = opcode::Close::new(fd); ring.submission() @@ -311,7 +311,7 @@ impl OpsFd { pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fd(self.file_fd.unwrap()); + let fd = types::Fd(self.file_fd.expect("missing fd")); let op = opcode::Fsync::new(fd); ring.submission() diff --git a/benchmarks/vfs/io_uring/src/ops/fixed.rs b/benchmarks/vfs/io_uring/src/ops/fixed.rs index f4c2ba0..433efe1 100644 --- a/benchmarks/vfs/io_uring/src/ops/fixed.rs +++ b/benchmarks/vfs/io_uring/src/ops/fixed.rs @@ -60,7 +60,7 @@ pub struct OpsFixed { impl OpsFixed { // Used for tests pub fn new(file_path: *const char, ring_size: u32) -> Self { - let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).unwrap())); + let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).expect("unable to create a ring"))); Self::from_rc_refcell_ring(file_path, ring) } @@ -74,7 +74,7 @@ impl OpsFixed { file_name: unsafe { CStr::from_ptr(file_path as *const _) .to_str() - .unwrap() + .expect("invalid utf-8") .to_string() }, } @@ -105,7 +105,7 @@ impl OpsFixed { // Cleanup all fixed files (if any), then reserve two slots let _ = ring.submitter().unregister_files(); - ring.submitter().register_files_sparse(2).unwrap(); + ring.submitter().register_files_sparse(2).expect("unable to register sparse files"); let dirfd = types::Fd(libc::AT_FDCWD); @@ -163,7 +163,7 @@ impl OpsFixed { pub unsafe fn o_read(&mut self, offset: u64, size: u32, buf_out: *mut c_void) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fixed(self.file_index.unwrap()); + let fd = types::Fixed(self.file_index.expect("missing fixed file index")); let mut op = opcode::Read::new(fd, buf_out as *mut _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_READ)) @@ -187,7 +187,7 @@ impl OpsFixed { pub unsafe fn o_write(&mut self, buf_in: *const c_void, offset: u64, size: u32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fixed(self.file_index.unwrap()); + let fd = types::Fixed(self.file_index.expect("missing fixed file index")); let mut op = opcode::Write::new(fd, buf_in as _, size).offset(offset); ring.submission() .push(&op.build().user_data(USER_DATA_WRITE)) @@ -217,7 +217,7 @@ impl OpsFixed { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fixed(self.file_index.unwrap()); + let fd = types::Fixed(self.file_index.expect("missing fixed file index")); // let mut op = opcode::Fallocate::new(fd, size.try_into().unwrap()).offset(0); // before let new_size: u64 = size.try_into().unwrap(); let mut op = opcode::Fallocate::new(fd, (*file_size_ptr) - new_size) @@ -276,7 +276,7 @@ impl OpsFixed { pub unsafe fn o_close(&mut self) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fixed(self.file_index.unwrap()); + let fd = types::Fixed(self.file_index.expect("missing fixed file index")); let mut op = opcode::Close::new(fd); ring.submission() @@ -338,7 +338,7 @@ impl OpsFixed { pub unsafe fn o_fsync(&mut self, flags: i32) -> Result<()> { let mut ring = self.ring.as_ref().borrow_mut(); - let fd = types::Fixed(self.file_index.unwrap()); + let fd = types::Fixed(self.file_index.expect("missing fixed file index")); let op = opcode::Fsync::new(fd); ring.submission() diff --git a/benchmarks/vfs/io_uring/src/ops/mod.rs b/benchmarks/vfs/io_uring/src/ops/mod.rs index e1f005a..70a3165 100644 --- a/benchmarks/vfs/io_uring/src/ops/mod.rs +++ b/benchmarks/vfs/io_uring/src/ops/mod.rs @@ -1,7 +1,7 @@ mod fd; mod fixed; -// Not all ops support fixed file indices, this is kept here for future use (>10-12-2023) +// Not all IO Uring ops support fixed file indices, this is kept here for future use (>10-12-2023) // e.g. Write does not support it. // Fortunately, File creation and getting its raw fd is O(1), the perceived drawback // is us not being able to use OpenAt/OpenAt2 to fetch the fd. diff --git a/benchmarks/vfs/io_uring/tests/test_ops_fd.rs b/benchmarks/vfs/io_uring/tests/test_ops_fd.rs index 438e62c..b504d6b 100644 --- a/benchmarks/vfs/io_uring/tests/test_ops_fd.rs +++ b/benchmarks/vfs/io_uring/tests/test_ops_fd.rs @@ -1,3 +1,7 @@ +// Sometimes one test will fail randomly +// when the completion queue takes its sweet time +// Just run the test again + #[cfg(test)] mod tests { use _iouringvfs::ops::OpsFd; From b6e5f1920500442edbe4da477f264f353c59d22e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 21:31:06 +0100 Subject: [PATCH 138/142] reuse default implementation of xAccess --- benchmarks/vfs/io_uring/src/lib.rs | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 9110f61..4529be3 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -89,23 +89,7 @@ impl SqliteVfs for IoUringVfs { fn access(&mut self, z_name: *const c_char, flags: i32, p_res_out: *mut i32) -> Result<()> { log::trace!("access, flags {}", flags); - let f = unsafe { CStr::from_ptr(z_name) }; - - let file_path_str = f.to_str().expect("invalid UTF-8 string"); - - if let Ok(metadata) = fs::metadata(std::path::Path::new(file_path_str)) { - if metadata.is_file() && !metadata.permissions().readonly() { - unsafe { *p_res_out = 0 }; - }else { - unsafe { *p_res_out = 1 }; - return Err(Error::new(ErrorKind::PermissionDenied, "Not a file or read-only file")); - } - }else { - unsafe { *p_res_out = 1 }; - return Err(Error::new(ErrorKind::NotFound, "failed to fetch metadata on file")); - } - - Ok(()) + self.default_vfs.access(z_name, flags, p_res_out) } fn full_pathname( From db88eb65749454b9f246908556c582fd651303ca Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Mon, 11 Dec 2023 22:05:05 +0100 Subject: [PATCH 139/142] fmt --- benchmarks/vfs/io_uring/src/lib.rs | 18 +++++++++++++----- benchmarks/vfs/io_uring/src/open.rs | 2 +- benchmarks/vfs/io_uring/src/ops/fd.rs | 4 +++- benchmarks/vfs/io_uring/src/ops/fixed.rs | 8 ++++++-- 4 files changed, 23 insertions(+), 9 deletions(-) diff --git a/benchmarks/vfs/io_uring/src/lib.rs b/benchmarks/vfs/io_uring/src/lib.rs index 4529be3..041fc2a 100644 --- a/benchmarks/vfs/io_uring/src/lib.rs +++ b/benchmarks/vfs/io_uring/src/lib.rs @@ -76,11 +76,17 @@ impl SqliteVfs for IoUringVfs { if let Ok(metadata) = fs::metadata(std::path::Path::new(file_path_str)) { if metadata.is_file() { self.default_vfs.delete(z_name, sync_dir)?; - }else { - return Err(Error::new(ErrorKind::NotFound, "pointer did not refer to valid file")); + } else { + return Err(Error::new( + ErrorKind::NotFound, + "pointer did not refer to valid file", + )); } - }else { - return Err(Error::new(ErrorKind::NotFound, "failed to fetch metadata on file")); + } else { + return Err(Error::new( + ErrorKind::NotFound, + "failed to fetch metadata on file", + )); } Ok(()) @@ -194,7 +200,9 @@ pub fn sqlite3_iouringvfs_init(db: *mut sqlite3) -> sqlite_loadable::Result<()> let shimmed_vfs_char = shimmed_name.as_ptr() as *const c_char; let shimmed_vfs = unsafe { sqlite3ext_vfs_find(shimmed_vfs_char) }; - let mut ring = Rc::new(RefCell::new(IoUring::new(RING_SIZE).expect("unable to create a ring"))); + let mut ring = Rc::new(RefCell::new( + IoUring::new(RING_SIZE).expect("unable to create a ring"), + )); let ring_vfs = IoUringVfs { default_vfs: unsafe { diff --git a/benchmarks/vfs/io_uring/src/open.rs b/benchmarks/vfs/io_uring/src/open.rs index 1b41660..264a4ef 100644 --- a/benchmarks/vfs/io_uring/src/open.rs +++ b/benchmarks/vfs/io_uring/src/open.rs @@ -74,4 +74,4 @@ pub enum OpenAccess { /// Create the file, but throw if it it already exist (includes write and read access). CreateNewThrowIfExists = 8, -} \ No newline at end of file +} diff --git a/benchmarks/vfs/io_uring/src/ops/fd.rs b/benchmarks/vfs/io_uring/src/ops/fd.rs index 9e81e24..d6f6e2e 100644 --- a/benchmarks/vfs/io_uring/src/ops/fd.rs +++ b/benchmarks/vfs/io_uring/src/ops/fd.rs @@ -58,7 +58,9 @@ pub struct OpsFd { impl OpsFd { // Used for tests pub fn new(file_path: *const char, ring_size: u32) -> Self { - let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).expect("unable to create a ring"))); + let mut ring = Rc::new(RefCell::new( + IoUring::new(ring_size).expect("unable to create a ring"), + )); Self::from_rc_refcell_ring(file_path, ring) } diff --git a/benchmarks/vfs/io_uring/src/ops/fixed.rs b/benchmarks/vfs/io_uring/src/ops/fixed.rs index 433efe1..e07b05b 100644 --- a/benchmarks/vfs/io_uring/src/ops/fixed.rs +++ b/benchmarks/vfs/io_uring/src/ops/fixed.rs @@ -60,7 +60,9 @@ pub struct OpsFixed { impl OpsFixed { // Used for tests pub fn new(file_path: *const char, ring_size: u32) -> Self { - let mut ring = Rc::new(RefCell::new(IoUring::new(ring_size).expect("unable to create a ring"))); + let mut ring = Rc::new(RefCell::new( + IoUring::new(ring_size).expect("unable to create a ring"), + )); Self::from_rc_refcell_ring(file_path, ring) } @@ -105,7 +107,9 @@ impl OpsFixed { // Cleanup all fixed files (if any), then reserve two slots let _ = ring.submitter().unregister_files(); - ring.submitter().register_files_sparse(2).expect("unable to register sparse files"); + ring.submitter() + .register_files_sparse(2) + .expect("unable to register sparse files"); let dirfd = types::Fd(libc::AT_FDCWD); From ea90e30599eacacc6be8582e1c5ae4051c29728e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 12 Dec 2023 17:17:09 +0100 Subject: [PATCH 140/142] add comment, fmt --- src/ext.rs | 25 +++++++++++++------------ src/vfs/file.rs | 7 +++++-- src/vfs/traits.rs | 22 +++++++++------------- 3 files changed, 27 insertions(+), 27 deletions(-) diff --git a/src/ext.rs b/src/ext.rs index 7fe582a..d98af6f 100644 --- a/src/ext.rs +++ b/src/ext.rs @@ -17,22 +17,23 @@ use std::{ #[cfg(feature = "static")] pub use libsqlite3_sys::{ - sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_file, - sqlite3_index_constraint as sqlite3_index_info_sqlite3_index_constraint, + sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_database_file_object, sqlite3_file, + sqlite3_file_control, sqlite3_index_constraint as sqlite3_index_info_sqlite3_index_constraint, sqlite3_index_constraint_usage as sqlite3_index_info_sqlite3_index_constraint_usage, sqlite3_index_info, sqlite3_index_orderby as sqlite3_index_info_sqlite3_index_orderby, - sqlite3_module, sqlite3_stmt, sqlite3_value, sqlite3_vtab, sqlite3_vtab_cursor, - sqlite3_database_file_object, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, - sqlite3_vfs, sqlite3_file_control, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, + sqlite3_int64, sqlite3_io_methods, sqlite3_module, sqlite3_stmt, sqlite3_syscall_ptr, + sqlite3_value, sqlite3_vfs, sqlite3_vfs_find, sqlite3_vfs_register, sqlite3_vfs_unregister, + sqlite3_vtab, sqlite3_vtab_cursor, }; #[cfg(not(feature = "static"))] pub use sqlite3ext_sys::{ - sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_index_info, sqlite3_file, - sqlite3_index_info_sqlite3_index_constraint, sqlite3_index_info_sqlite3_index_constraint_usage, - sqlite3_index_info_sqlite3_index_orderby, sqlite3_module, sqlite3_stmt, sqlite3_value, - sqlite3_vtab, sqlite3_vtab_cursor, sqlite3_vfs_unregister, sqlite3_vfs_register, sqlite3_vfs_find, - sqlite3_vfs, sqlite3_file_control, sqlite3_int64, sqlite3_syscall_ptr, sqlite3_io_methods, + sqlite3, sqlite3_api_routines, sqlite3_context, sqlite3_file, sqlite3_file_control, + sqlite3_index_info, sqlite3_index_info_sqlite3_index_constraint, + sqlite3_index_info_sqlite3_index_constraint_usage, sqlite3_index_info_sqlite3_index_orderby, + sqlite3_int64, sqlite3_io_methods, sqlite3_module, sqlite3_stmt, sqlite3_syscall_ptr, + sqlite3_value, sqlite3_vfs, sqlite3_vfs_find, sqlite3_vfs_register, sqlite3_vfs_unregister, + sqlite3_vtab, sqlite3_vtab_cursor, }; /// If creating a dynmically loadable extension, this MUST be redefined to point @@ -631,7 +632,7 @@ pub unsafe fn sqlite3ext_vfs_find(name: *const c_char) -> *mut sqlite3_vfs { } #[cfg(feature = "static")] -pub unsafe fn sqlite3ext_file_control ( +pub unsafe fn sqlite3ext_file_control( db: *mut sqlite3, name: *const c_char, option: c_int, @@ -641,7 +642,7 @@ pub unsafe fn sqlite3ext_file_control ( } #[cfg(not(feature = "static"))] -pub unsafe fn sqlite3ext_file_control ( +pub unsafe fn sqlite3ext_file_control( db: *mut sqlite3, name: *const c_char, option: c_int, diff --git a/src/vfs/file.rs b/src/vfs/file.rs index d2223c5..7e7716c 100644 --- a/src/vfs/file.rs +++ b/src/vfs/file.rs @@ -9,8 +9,11 @@ use sqlite3ext_sys::{ SQLITE_IOERR_TRUNCATE, SQLITE_IOERR_UNLOCK, SQLITE_IOERR_WRITE, }; -use std::{os::raw::{c_int, c_void}, mem::MaybeUninit, fs::File} -; +use std::{ + fs::File, + mem::MaybeUninit, + os::raw::{c_int, c_void}, +}; use crate::vfs::traits::SqliteIoMethods; use crate::vfs::vfs::handle_error; diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index ad082fa..93073f7 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -10,7 +10,13 @@ use sqlite3ext_sys::sqlite3_vfs; #[cfg(feature = "vfs_syscall")] use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_vfs}; +/// There was no attempt to idiomize the parameters or functions, because the shims, that reuse +/// existing sqlite3 C-based vfs functionality, e.g. unix vfs, also must conform to how the C parameters work. +/// +/// Idiomizing the functions / parameters / types, or "oxidizing" them is left to the user. + // TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) +// TODO even better read the asm and verify that this extra indirection was removed /// See https://www.sqlite.org/c3ref/io_methods.html for hints on how to implement pub trait SqliteIoMethods { fn close(&mut self) -> Result<()>; @@ -58,24 +64,14 @@ pub trait SqliteIoMethods { arg2: c_int, arg3: *mut *mut c_void, ) -> Result<()>; - fn shm_lock( - &mut self, - offset: c_int, - n: c_int, - flags: c_int, - ) -> Result<()>; + fn shm_lock(&mut self, offset: c_int, n: c_int, flags: c_int) -> Result<()>; fn shm_barrier(&mut self) -> Result<()>; fn shm_unmap(&mut self, delete_flag: c_int) -> Result<()>; - fn fetch( - &mut self, - i_ofst: i64, - i_amt: c_int, - pp: *mut *mut c_void, - ) -> Result<()>; + fn fetch(&mut self, i_ofst: i64, i_amt: c_int, pp: *mut *mut c_void) -> Result<()>; fn unfetch(&mut self, i_ofst: i64, p: *mut c_void) -> Result<()>; } -// TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks) +// TODO compare dynamic (indirection via trait) vs static dispatch (just callbacks), same as upstairs pub trait SqliteVfs { fn open( &mut self, From a15cee26666ed665aa507fc9ab88e6f0660a1fad Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 12 Dec 2023 17:18:51 +0100 Subject: [PATCH 141/142] fmt --- src/api.rs | 4 +++- src/lib.rs | 4 ++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/src/api.rs b/src/api.rs index 8353cf2..18a97a3 100644 --- a/src/api.rs +++ b/src/api.rs @@ -16,7 +16,9 @@ use crate::ext::{ sqlite3ext_value_subtype, sqlite3ext_value_text, sqlite3ext_value_type, }; use crate::Error; -use sqlite3ext_sys::{SQLITE_BLOB, SQLITE_FLOAT, SQLITE_INTEGER, SQLITE_NULL, SQLITE_TEXT, SQLITE_OK}; +use sqlite3ext_sys::{ + SQLITE_BLOB, SQLITE_FLOAT, SQLITE_INTEGER, SQLITE_NULL, SQLITE_OK, SQLITE_TEXT, +}; use std::os::raw::c_int; use std::slice::from_raw_parts; use std::str::Utf8Error; diff --git a/src/lib.rs b/src/lib.rs index 0b020c0..7584e85 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -12,8 +12,8 @@ pub mod ext; // TODO dont expose pub mod prelude; pub mod scalar; pub mod table; -pub mod vtab_argparse; pub mod vfs; +pub mod vtab_argparse; #[doc(inline)] pub use errors::{Error, ErrorKind, Result}; @@ -30,6 +30,6 @@ pub use table::{ define_virtual_table_writeable, define_virtual_table_writeablex, BestIndexError, }; +pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; #[doc(inline)] pub use vfs::vfs::register_boxed_vfs; -pub use vfs::traits::{SqliteIoMethods, SqliteVfs}; From 54cdfed00731ff0b4302f938d89e06156b8e672e Mon Sep 17 00:00:00 2001 From: Jasm Sison Date: Tue, 12 Dec 2023 18:09:33 +0100 Subject: [PATCH 142/142] rephrase comments --- src/vfs/traits.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/vfs/traits.rs b/src/vfs/traits.rs index 93073f7..b09b3eb 100644 --- a/src/vfs/traits.rs +++ b/src/vfs/traits.rs @@ -10,10 +10,13 @@ use sqlite3ext_sys::sqlite3_vfs; #[cfg(feature = "vfs_syscall")] use sqlite3ext_sys::{sqlite3_syscall_ptr, sqlite3_vfs}; -/// There was no attempt to idiomize the parameters or functions, because the shims, that reuse +/// There was no attempt to rustify the parameters or functions, because the shims, that reuse /// existing sqlite3 C-based vfs functionality, e.g. unix vfs, also must conform to how the C parameters work. +/// +/// Also, maintaining the function signatures as-is, help keep the existing documentation relevant: +/// e.g.: https://www.sqlite.org/vfs.html /// -/// Idiomizing the functions / parameters / types, or "oxidizing" them is left to the user. +/// Rustifying functions / parameters / types, or "oxidizing" them is left to the user. // TODO compare performance of dynamic (indirection via trait) vs static dispatch (just callbacks) // TODO even better read the asm and verify that this extra indirection was removed