refactor: Add file IO tracker to dependency injection container

Sources/Sentry/SentryDependencyContainer.m

@@ -5,6 +5,7 @@
 #import "SentryDispatchQueueWrapper.h"
 #import "SentryDisplayLinkWrapper.h"
 #import "SentryExtraContextProvider.h"
+#import "SentryFileIOTracker.h"
 #import "SentryFileManager.h"
 #import "SentryInternalCDefines.h"
 #import "SentryLog.h"
@@ -186,6 +187,21 @@ - (SentryThreadInspector *)threadInspector SENTRY_DISABLE_THREAD_SANITIZER(
     return _threadInspector;
 }
 
+- (SentryFileIOTracker *)fileIOTracker SENTRY_DISABLE_THREAD_SANITIZER(
+    "double-checked lock produce false alarms")
+{
+    if (_fileIOTracker == nil) {
+        @synchronized(sentryDependencyContainerLock) {
+            if (_fileIOTracker == nil) {
+                _fileIOTracker =
+                    [[SentryFileIOTracker alloc] initWithThreadInspector:[self threadInspector]
+                                                      processInfoWrapper:[self processInfoWrapper]];
+            }
+        }
+    }
+    return _fileIOTracker;
+}
+
 - (SentryDebugImageProvider *)debugImageProvider
 {
     @synchronized(sentryDependencyContainerLock) {

Sources/Sentry/SentryFileIOTracker.m

@@ -19,8 +19,6 @@
 #import "SentryThreadInspector.h"
 #import "SentryTracer.h"
 
-const NSString *SENTRY_TRACKING_COUNTER_KEY = @"SENTRY_TRACKING_COUNTER_KEY";
-
 @interface SentryFileIOTracker ()
 
 @property (nonatomic, assign) BOOL isEnabled;
@@ -32,6 +30,13 @@
 
 @implementation SentryFileIOTracker
 
+NSString *const SENTRY_TRACKING_COUNTER_KEY = @"SENTRY_TRACKING_COUNTER_KEY";
+
++ (instancetype)sharedInstance
+{
+    return SentryDependencyContainer.sharedInstance.fileIOTracker;
+}
+
 - (instancetype)initWithThreadInspector:(SentryThreadInspector *)threadInspector
                      processInfoWrapper:(SentryNSProcessInfoWrapper *)processInfoWrapper
 {

Sources/Sentry/SentryFileIOTrackingIntegration.m

@@ -19,9 +19,7 @@ - (BOOL)installWithOptions:(SentryOptions *)options
         return NO;
     }
 
-    self.tracker = [[SentryFileIOTracker alloc]
-        initWithThreadInspector:[[SentryThreadInspector alloc] initWithOptions:options]
-             processInfoWrapper:[SentryDependencyContainer.sharedInstance processInfoWrapper]];
+    self.tracker = [[SentryDependencyContainer sharedInstance] fileIOTracker];
     [self.tracker enable];
 
     [SentryNSDataSwizzling.shared startWithOptions:options tracker:self.tracker];

Sources/Sentry/include/HybridPublic/SentryDependencyContainer.h

@@ -22,6 +22,7 @@
 @class SentrySystemWrapper;
 @class SentryThreadWrapper;
 @class SentryThreadInspector;
+@class SentryFileIOTracker;
 @protocol SentryRandom;
 @protocol SentryCurrentDateProvider;
 @protocol SentryRateLimits;
@@ -77,6 +78,7 @@ SENTRY_NO_INIT
 @property (nonatomic, strong) SentrySysctl *sysctlWrapper;
 @property (nonatomic, strong) SentryThreadInspector *threadInspector;
 @property (nonatomic, strong) id<SentryRateLimits> rateLimits;
+@property (nonatomic, strong) SentryFileIOTracker *fileIOTracker;
 
 #if SENTRY_UIKIT_AVAILABLE
 @property (nonatomic, strong) SentryFramesTracker *framesTracker;

Sources/Sentry/include/SentryFileIOTracker.h

@@ -8,6 +8,15 @@ NS_ASSUME_NONNULL_BEGIN
 @interface SentryFileIOTracker : NSObject
 SENTRY_NO_INIT
 
+/**
+ * Convenience accessor to the shared instance of the tracker in the dependency container.
+ *
+ * @note Can be used from Swift without import the entire dependency container.
+ *
+ * @return The shared instance of the tracker.
+ */
++ (instancetype)sharedInstance;
+
 - (instancetype)initWithThreadInspector:(SentryThreadInspector *)threadInspector
                      processInfoWrapper:(SentryNSProcessInfoWrapper *)processInfoWrapper;
 

Sources/Sentry/include/SentryPrivate.h

@@ -12,6 +12,7 @@
 #import "SentryDateUtil.h"
 #import "SentryDateUtils.h"
 #import "SentryDisplayLinkWrapper.h"
+#import "SentryFileIOTracker.h"
 #import "SentryLevelHelper.h"
 #import "SentryLogC.h"
 #import "SentryMeta.h"