Setup tracing through the RustSDK (#146)

ElementX/Sources/AppCoordinator.swift

@@ -7,6 +7,7 @@
 //
 
 import Combine
+import MatrixRustSDK
 import UIKit
 
 class AppCoordinator: AuthenticationCoordinatorDelegate, Coordinator {
@@ -71,13 +72,7 @@ class AppCoordinator: AuthenticationCoordinatorDelegate, Coordinator {
         
         setupStateMachine()
         
-        let loggerConfiguration = MXLogConfiguration()
+        setupLogging()
-        loggerConfiguration.logLevel = .verbose
-        // Redirect NSLogs to files only if we are not debugging
-        if isatty(STDERR_FILENO) == 0 {
-            loggerConfiguration.redirectLogsToFiles = true
-        }
-        MXLog.configure(loggerConfiguration)
         
         // Benchmark.trackingEnabled = true
     }
@@ -97,6 +92,29 @@ class AppCoordinator: AuthenticationCoordinatorDelegate, Coordinator {
     
     // MARK: - Private
     
+    private func setupLogging() {
+        let loggerConfiguration = MXLogConfiguration()
+        
+        #if DEBUG
+        // This exposes the full Rust side tracing subscriber filter for more flexibility.
+        // We can filter by level, crate and even file. See more details here:
+        // https://docs.rs/tracing-subscriber/0.2.7/tracing_subscriber/filter/struct.EnvFilter.html#examples
+        setupTracing(configuration: "info,hyper=warn,sled=warn,matrix_sdk_sled=warn")
+        
+        loggerConfiguration.logLevel = .debug
+        #else
+        setupTracing(configuration: "info,hyper=warn,sled=warn,matrix_sdk_sled=warn")
+        loggerConfiguration.logLevel = .info
+        #endif
+        
+        // Avoid redirecting NSLogs to files if we are attached to a debugger.
+        if isatty(STDERR_FILENO) == 0 {
+            loggerConfiguration.redirectLogsToFiles = true
+        }
+      
+        MXLog.configure(loggerConfiguration)
+    }
+    
     // swiftlint:disable cyclomatic_complexity
     private func setupStateMachine() {
         stateMachine.addTransitionHandler { [weak self] context in

ElementX/Sources/Services/Background/UIKitBackgroundTask.swift

@@ -49,7 +49,7 @@ class UIKitBackgroundTask: BackgroundTaskProtocol {
         }
 
         if identifier == .invalid {
-            MXLog.debug("[UIKitBackgroundTask] Do not start background task: \(name), as OS declined")
+            MXLog.verbose("[UIKitBackgroundTask] Do not start background task: \(name), as OS declined")
             //  call expiration handler immediately
             expirationHandler?(self)
             return nil
@@ -60,7 +60,7 @@ class UIKitBackgroundTask: BackgroundTaskProtocol {
             reuse()
         }
 
-        MXLog.debug("[UIKitBackgroundTask] Start background task #\(identifier.rawValue) - \(name)")
+        MXLog.verbose("[UIKitBackgroundTask] Start background task #\(identifier.rawValue) - \(name)")
     }
 
     func reuse() {
@@ -83,7 +83,7 @@ class UIKitBackgroundTask: BackgroundTaskProtocol {
 
     private func endTask() {
         if identifier != .invalid {
-            MXLog.debug("[UIKitBackgroundTask] End background task #\(identifier.rawValue) - \(name) after \(readableElapsedTime)")
+            MXLog.verbose("[UIKitBackgroundTask] End background task #\(identifier.rawValue) - \(name) after \(readableElapsedTime)")
 
             application.endBackgroundTask(identifier)
             identifier = .invalid

ElementX/Sources/Services/Background/UIKitBackgroundTaskService.swift

@@ -24,12 +24,12 @@ class UIKitBackgroundTaskService: BackgroundTaskServiceProtocol {
                              isReusable: Bool,
                              expirationHandler: (() -> Void)?) -> BackgroundTaskProtocol? {
         guard let application = application else {
-            MXLog.debug("[UIKitBackgroundTaskService] Do not start background task: \(name). Application is nil")
+            MXLog.verbose("[UIKitBackgroundTaskService] Do not start background task: \(name). Application is nil")
             return nil
         }
 
         if avoidStartingNewTasks(for: application) {
-            MXLog.debug("[UIKitBackgroundTaskService] Do not start background task: \(name), as not enough time exists")
+            MXLog.verbose("[UIKitBackgroundTaskService] Do not start background task: \(name), as not enough time exists")
             //  call expiration handler immediately
             expirationHandler?()
             return nil
@@ -70,7 +70,7 @@ class UIKitBackgroundTaskService: BackgroundTaskServiceProtocol {
         let appState = application.applicationState
         let remainingTime = readableBackgroundTimeRemaining(application.backgroundTimeRemaining)
 
-        MXLog.debug("[UIKitBackgroundTaskService] Background task \(name) \(created ? "started" : "reused") with app state: \(appState) and estimated background time remaining: \(remainingTime)")
+        MXLog.verbose("[UIKitBackgroundTaskService] Background task \(name) \(created ? "started" : "reused") with app state: \(appState) and estimated background time remaining: \(remainingTime)")
 
         return result
     }