Fix log level

Author: pblazej

Sources/LiveKit/Support/Logger.swift

@@ -74,10 +74,7 @@ public struct DisabledLogger: Logger {
 open class OSLogger: Logger, @unchecked Sendable {
     private static let subsystem = "io.livekit.sdk"
 
-    private static let queue = DispatchQueue(label: "io.livekit.oslogger", qos: .utility)
-
-    private nonisolated(unsafe) static var ffiBootstrapped = false
-
+    private let queue = DispatchQueue(label: "io.livekit.oslogger", qos: .utility)
     private var logs: [String: OSLog] = [:]
 
     private lazy var rtcLogger = LKRTCCallbackLogger()
@@ -123,7 +120,7 @@ open class OSLogger: Logger, @unchecked Sendable {
 
         let metadata = buildScopedMetadataString()
 
-        Self.queue.async {
+        queue.async {
             func getOSLog(for type: Any.Type) -> OSLog {
                 let typeName = String(describing: type)
 
@@ -150,17 +147,12 @@ open class OSLogger: Logger, @unchecked Sendable {
     }
 
     private func startFFILogForwarding(minLevel: LogLevel) {
-        Self.queue.sync {
-            if !Self.ffiBootstrapped {
-                logForwardBootstrap(level: minLevel.logForwardFilter)
-                Self.ffiBootstrapped = true
-            }
-        }
-
-        let ffiLog = OSLog(subsystem: Self.subsystem, category: "FFI")
-
-        ffiLogForwardTask = Task(priority: .utility) {
-            for await entry in AsyncStream(unfolding: logForwardReceive) {
+        ffiLogForwardTask = Task(priority: .utility) { [weak self] in
+            guard self != nil else { return } // don't initialize global level when creating new instance
+            logForwardBootstrap(level: minLevel.logForwardFilter)
+            let ffiLog = OSLog(subsystem: Self.subsystem, category: "FFI")
+            let ffiStream = AsyncStream(unfolding: logForwardReceive)
+            for await entry in ffiStream {
                 guard !Task.isCancelled else { break }
 
                 let message = "\(entry.target) \(entry.message)"