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‎src/main.cpp‎

Lines changed: 104 additions & 69 deletions
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,12 @@
33
* This program is free software. You can redistribute it and/or modify it under the terms of the GPLv3 License.
44
*/
55

6+
#include "Modbus_TCP_Client_poll.hpp"
7+
#include "Print_Time.hpp"
8+
#include "generated/version_info.hpp"
9+
#include "license.hpp"
10+
#include "modbus_shm.hpp"
11+
612
#include <atomic>
713
#include <condition_variable>
814
#include <csignal>
@@ -33,12 +39,6 @@
3339
# pragma GCC diagnostic pop
3440
#endif
3541

36-
#include "Modbus_TCP_Client_poll.hpp"
37-
#include "Print_Time.hpp"
38-
#include "license.hpp"
39-
#include "modbus_shm.hpp"
40-
41-
4242
//! Maximum number of registers per type
4343
static constexpr size_t MODBUS_MAX_REGS = 0x10000;
4444

@@ -111,74 +111,82 @@ int main(int argc, char **argv) {
111111
#endif
112112

113113
// all command line arguments
114-
options.add_options()(
114+
options.add_options("network")(
115115
"i,host", "host to listen for incoming connections", cxxopts::value<std::string>()->default_value("any"));
116-
options.add_options()("p,service",
117-
"service or port to listen for incoming connections",
118-
cxxopts::value<std::string>()->default_value("502"));
119-
options.add_options()(
116+
options.add_options("network")("p,service",
117+
"service or port to listen for incoming connections",
118+
cxxopts::value<std::string>()->default_value("502"));
119+
options.add_options("shared memory")(
120120
"n,name-prefix", "shared memory name prefix", cxxopts::value<std::string>()->default_value("modbus_"));
121-
options.add_options()("do-registers",
122-
"number of digital output registers",
123-
cxxopts::value<std::size_t>()->default_value("65536"));
124-
options.add_options()(
121+
options.add_options("modbus")("do-registers",
122+
"number of digital output registers",
123+
cxxopts::value<std::size_t>()->default_value("65536"));
124+
options.add_options("modbus")(
125125
"di-registers", "number of digital input registers", cxxopts::value<std::size_t>()->default_value("65536"));
126-
options.add_options()(
126+
options.add_options("modbus")(
127127
"ao-registers", "number of analog output registers", cxxopts::value<std::size_t>()->default_value("65536"));
128-
options.add_options()(
128+
options.add_options("modbus")(
129129
"ai-registers", "number of analog input registers", cxxopts::value<std::size_t>()->default_value("65536"));
130-
options.add_options()("m,monitor", "output all incoming and outgoing packets to stdout");
131-
options.add_options()("c,connections",
132-
"number of allowed simultaneous Modbus Server connections.",
133-
cxxopts::value<std::size_t>()->default_value("1"));
134-
options.add_options()("r,reconnect", "do not terminate if no Modbus Server is connected anymore.");
135-
options.add_options()("byte-timeout",
136-
"timeout interval in seconds between two consecutive bytes of the same message. "
137-
"In most cases it is sufficient to set the response timeout. "
138-
"Fractional values are possible.",
139-
cxxopts::value<double>());
140-
options.add_options()("response-timeout",
141-
"set the timeout interval in seconds used to wait for a response. "
142-
"When a byte timeout is set, if the elapsed time for the first byte of response is longer "
143-
"than the given timeout, a timeout is detected. "
144-
"When byte timeout is disabled, the full confirmation response must be received before "
145-
"expiration of the response timeout. "
146-
"Fractional values are possible.",
147-
cxxopts::value<double>());
130+
options.add_options("modbus")("m,monitor", "output all incoming and outgoing packets to stdout");
131+
options.add_options("network")("c,connections",
132+
"number of allowed simultaneous Modbus Server connections.",
133+
cxxopts::value<std::size_t>()->default_value("1"));
134+
options.add_options("network")("r,reconnect", "do not terminate if no Modbus Server is connected anymore.");
135+
options.add_options("modbus")("byte-timeout",
136+
"timeout interval in seconds between two consecutive bytes of the same message. "
137+
"In most cases it is sufficient to set the response timeout. "
138+
"Fractional values are possible.",
139+
cxxopts::value<double>());
140+
options.add_options("modbus")(
141+
"response-timeout",
142+
"set the timeout interval in seconds used to wait for a response. "
143+
"When a byte timeout is set, if the elapsed time for the first byte of response is longer "
144+
"than the given timeout, a timeout is detected. "
145+
"When byte timeout is disabled, the full confirmation response must be received before "
146+
"expiration of the response timeout. "
147+
"Fractional values are possible.",
148+
cxxopts::value<double>());
148149
#ifdef OS_LINUX
149-
options.add_options()("t,tcp-timeout",
150-
"tcp timeout in seconds. Set to 0 to use the system defaults (not recommended).",
151-
cxxopts::value<std::size_t>()->default_value("5"));
150+
options.add_options("network")("t,tcp-timeout",
151+
"tcp timeout in seconds. Set to 0 to use the system defaults (not recommended).",
152+
cxxopts::value<std::size_t>()->default_value("5"));
152153
#endif
153-
options.add_options()("force",
154-
"Force the use of the shared memory even if it already exists. "
155-
"Do not use this option per default! "
156-
"It should only be used if the shared memory of an improperly terminated instance continues "
157-
"to exist as an orphan and is no longer used.");
158-
options.add_options()("s,separate",
159-
"Use a separate shared memory for requests with the specified client id. "
160-
"The client id (as hex value) is appended to the shared memory prefix (e.g. modbus_fc_DO)"
161-
". You can specify multiple client ids by separating them with ','. "
162-
"Use --separate-all to generate separate shared memories for all possible client ids.",
163-
cxxopts::value<std::vector<std::uint8_t>>());
164-
options.add_options()("separate-all",
165-
"like --separate, but for all client ids (creates 1028 shared memory files! "
166-
"check/set 'ulimit -n' before using this option.)");
167-
options.add_options()("semaphore",
168-
"protect the shared memory with a named semaphore against simultaneous access",
169-
cxxopts::value<std::string>());
170-
options.add_options()("semaphore-force",
171-
"Force the use of the semaphore even if it already exists. "
172-
"Do not use this option per default! "
173-
"It should only be used if the semaphore of an improperly terminated instance continues "
174-
"to exist as an orphan and is no longer used.");
175-
options.add_options()("b,permissions",
176-
"permission bits that are applied when creating a shared memory.",
177-
cxxopts::value<std::string>()->default_value("0640"));
178-
options.add_options()("h,help", "print usage");
179-
options.add_options()("version", "print version information");
180-
options.add_options()("license", "show licences (short)");
181-
options.add_options()("license-full", "show licences (full license text)");
154+
options.add_options("shared memory")(
155+
"force",
156+
"Force the use of the shared memory even if it already exists. "
157+
"Do not use this option per default! "
158+
"It should only be used if the shared memory of an improperly terminated instance continues "
159+
"to exist as an orphan and is no longer used.");
160+
options.add_options("shared memory")(
161+
"s,separate",
162+
"Use a separate shared memory for requests with the specified client id. "
163+
"The client id (as hex value) is appended to the shared memory prefix (e.g. modbus_fc_DO)"
164+
". You can specify multiple client ids by separating them with ','. "
165+
"Use --separate-all to generate separate shared memories for all possible client ids.",
166+
cxxopts::value<std::vector<std::uint8_t>>());
167+
options.add_options("shared memory")("separate-all",
168+
"like --separate, but for all client ids (creates 1028 shared memory files! "
169+
"check/set 'ulimit -n' before using this option.)");
170+
options.add_options("shared memory")("semaphore",
171+
"protect the shared memory with a named semaphore against simultaneous access",
172+
cxxopts::value<std::string>());
173+
options.add_options("shared memory")(
174+
"semaphore-force",
175+
"Force the use of the semaphore even if it already exists. "
176+
"Do not use this option per default! "
177+
"It should only be used if the semaphore of an improperly terminated instance continues "
178+
"to exist as an orphan and is no longer used.");
179+
options.add_options("shared memory")("b,permissions",
180+
"permission bits that are applied when creating a shared memory.",
181+
cxxopts::value<std::string>()->default_value("0640"));
182+
options.add_options("other")("h,help", "print usage");
183+
options.add_options("version information")("version", "print version and exit");
184+
options.add_options("version information")("longversion",
185+
"print version (including compiler and system info) and exit");
186+
options.add_options("version information")("shortversion", "print version (only version string) and exit");
187+
options.add_options("version information")("git-hash", "print git hash");
188+
options.add_options("other")("license", "show licences (short)");
189+
options.add_options("other")("license-full", "show licences (full license text)");
182190

183191
// parse arguments
184192
cxxopts::ParseResult args;
@@ -210,8 +218,8 @@ int main(int argc, char **argv) {
210218
return EX_OK;
211219
}
212220

213-
// print usage
214-
if (args.count("version")) {
221+
// print version
222+
if (args.count("longversion")) {
215223
std::cout << PROJECT_NAME << ' ' << PROJECT_VERSION << " (compiled with " << COMPILER_INFO << " on "
216224
<< SYSTEM_INFO << ')'
217225
#ifndef OS_LINUX
@@ -221,6 +229,33 @@ int main(int argc, char **argv) {
221229
return EX_OK;
222230
}
223231

232+
if (args.count("shortversion")) {
233+
std::cout << PROJECT_VERSION << '\n';
234+
return EX_OK;
235+
}
236+
237+
if (args.count("version")) {
238+
std::cout << PROJECT_NAME << ' ' << PROJECT_VERSION << '\n';
239+
return EX_OK;
240+
}
241+
242+
if (args.count("longversion")) {
243+
std::cout << PROJECT_NAME << ' ' << PROJECT_VERSION << '\n';
244+
std::cout << " compiled with " << COMPILER_INFO << '\n';
245+
std::cout << " on system " << SYSTEM_INFO
246+
#ifndef OS_LINUX
247+
<< "-nonlinux"
248+
#endif
249+
<< '\n';
250+
std::cout << " from git commit " << RCS_HASH << '\n';
251+
return EX_OK;
252+
}
253+
254+
if (args.count("git-hash")) {
255+
std::cout << RCS_HASH << '\n';
256+
return EX_OK;
257+
}
258+
224259
// print licenses
225260
if (args.count("license")) {
226261
print_licenses(std::cout, false);

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