feat: Propagate traceId on platforms supported by sentry-native (#2089)

Author: bitsandfoxes

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### Features
 
-- When running on Android, the SDK now links errors and events originating on different layers (managed, native errors) via `trace ID` ([#1997](https://github.com/getsentry/sentry-unity/pull/1997))
+- When running on Android, Windows or Linux, the SDK now links errors and events originating on different layers (managed, native errors) via `trace ID` ([#1997](https://github.com/getsentry/sentry-unity/pull/1997), [#2089](https://github.com/getsentry/sentry-unity/pull/2089))
 - The SDK now reports the game's name as part of the app context ([2083](https://github.com/getsentry/sentry-unity/pull/2083))
 - The SDK now reports the active scene's name as part of the `Unity Context` ([2084](https://github.com/getsentry/sentry-unity/pull/2084))
 

src/Sentry.Unity.Android/AndroidJavaScopeObserver.cs

@@ -17,6 +17,7 @@ public AndroidJavaScopeObserver(SentryOptions options, IJniExecutor jniExecutor)
     }
 
     private static AndroidJavaObject GetSentryJava() => new AndroidJavaClass("io.sentry.Sentry");
+
     private static AndroidJavaObject GetInternalSentryJava() => new AndroidJavaClass("io.sentry.android.core.InternalSentrySdk");
 
     public override void AddBreadcrumbImpl(Breadcrumb breadcrumb)

src/Sentry.Unity.Native/NativeScopeObserver.cs

@@ -45,6 +45,9 @@ public override void SetTraceImpl(SentryId traceId, SpanId spanId)
         // TODO: Needs to be implemented
     }
 
+    public override void SetTraceImpl(SentryId traceId, SpanId spanId) =>
+        C.sentry_set_trace(traceId.ToString(), spanId.ToString());
+
     private static string GetTimestamp(DateTimeOffset timestamp) =>
         // "o": Using ISO 8601 to make sure the timestamp makes it to the bridge correctly.
         // https://docs.microsoft.com/en-gb/dotnet/standard/base-types/standard-date-and-time-format-strings#Roundtrip

src/Sentry.Unity.iOS/NativeScopeObserver.cs

@@ -30,6 +30,11 @@ public override void SetTraceImpl(SentryId traceId, SpanId spanId)
         // TODO: Needs to be implemented
     }
 
+    public override void SetTraceImpl(SentryId traceId, SpanId spanId)
+    {
+        // Todo: Needs to be implemented
+    }
+
     internal static string GetTimestamp(DateTimeOffset timestamp) =>
         // "o": Using ISO 8601 to make sure the timestamp makes it to the bridge correctly.
         // https://docs.microsoft.com/en-gb/dotnet/standard/base-types/standard-date-and-time-format-strings#Roundtrip

src/Sentry.Unity/NativeUtils/CFunctions.cs

@@ -148,6 +148,9 @@ internal static void SetValueIfNotNull(sentry_value_t obj, string key, double? v
     [DllImport("sentry")]
     internal static extern void sentry_remove_extra(string key);
 
+    [DllImport("sentry")]
+    internal static extern void sentry_set_trace(string traceId, string parentSpanId);
+
     internal static readonly Lazy<IEnumerable<DebugImage>> DebugImages = new(LoadDebugImages);
 
     private static IEnumerable<DebugImage> LoadDebugImages()