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feat(unity): add telemetry to Unity SDK #39
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Text; | ||
|
|
||
| namespace UnityOpenFeature.Telemetry | ||
| { | ||
| internal static class ProtobufEncoder | ||
| { | ||
| private const int WireTypeVarint = 0; | ||
| private const int WireTypeLengthDelimited = 2; | ||
|
|
||
| public static byte[] EncodeMonitoring( | ||
| Library library, | ||
| string sdkVersion, | ||
| Platform platform, | ||
| IReadOnlyList<ResolveLatencyTraceData> resolveTraces, | ||
| IReadOnlyList<EvaluationTraceData> evalTraces) | ||
| { | ||
| using (var ms = new MemoryStream()) | ||
| { | ||
| var libraryTracesBytes = EncodeLibraryTraces(library, sdkVersion, resolveTraces, evalTraces); | ||
| if (libraryTracesBytes.Length > 0) | ||
| { | ||
| WriteLengthDelimited(ms, 1, libraryTracesBytes); | ||
| } | ||
|
|
||
| if (platform != Platform.Unspecified) | ||
| { | ||
| WriteTag(ms, 2, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)platform); | ||
| } | ||
|
|
||
| return ms.ToArray(); | ||
| } | ||
| } | ||
|
|
||
| private static byte[] EncodeLibraryTraces( | ||
| Library library, | ||
| string sdkVersion, | ||
| IReadOnlyList<ResolveLatencyTraceData> resolveTraces, | ||
| IReadOnlyList<EvaluationTraceData> evalTraces) | ||
| { | ||
| using (var ms = new MemoryStream()) | ||
| { | ||
| if (library != Library.Unspecified) | ||
| { | ||
| WriteTag(ms, 1, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)library); | ||
| } | ||
|
|
||
| if (!string.IsNullOrEmpty(sdkVersion)) | ||
| { | ||
| var versionBytes = Encoding.UTF8.GetBytes(sdkVersion); | ||
| WriteLengthDelimited(ms, 2, versionBytes); | ||
| } | ||
|
|
||
| foreach (var trace in resolveTraces) | ||
| { | ||
| var traceBytes = EncodeResolveTrace(trace); | ||
| WriteLengthDelimited(ms, 3, traceBytes); | ||
| } | ||
|
|
||
| foreach (var trace in evalTraces) | ||
| { | ||
| var traceBytes = EncodeEvaluationTrace(trace); | ||
| WriteLengthDelimited(ms, 3, traceBytes); | ||
| } | ||
|
|
||
| return ms.ToArray(); | ||
| } | ||
| } | ||
|
|
||
| private static byte[] EncodeResolveTrace(ResolveLatencyTraceData data) | ||
| { | ||
| using (var ms = new MemoryStream()) | ||
| { | ||
| WriteTag(ms, 1, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)TraceId.ResolveLatency); | ||
|
|
||
| var requestTraceBytes = EncodeRequestTrace(data); | ||
| if (requestTraceBytes.Length > 0) | ||
| { | ||
| WriteLengthDelimited(ms, 3, requestTraceBytes); | ||
| } | ||
|
|
||
| return ms.ToArray(); | ||
| } | ||
| } | ||
|
|
||
| private static byte[] EncodeRequestTrace(ResolveLatencyTraceData data) | ||
| { | ||
| using (var ms = new MemoryStream()) | ||
| { | ||
| if (data.MillisecondDuration > 0) | ||
| { | ||
| WriteTag(ms, 1, WireTypeVarint); | ||
| WriteVarint(ms, data.MillisecondDuration); | ||
| } | ||
|
|
||
| if (data.Status != RequestStatus.Unspecified) | ||
| { | ||
| WriteTag(ms, 2, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)data.Status); | ||
| } | ||
|
|
||
| return ms.ToArray(); | ||
| } | ||
| } | ||
|
|
||
| private static byte[] EncodeEvaluationTrace(EvaluationTraceData data) | ||
| { | ||
| using (var ms = new MemoryStream()) | ||
| { | ||
| WriteTag(ms, 1, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)TraceId.EvaluationOutcome); | ||
|
|
||
| var evalTraceBytes = EncodeEvalTraceBody(data); | ||
| if (evalTraceBytes.Length > 0) | ||
| { | ||
| WriteLengthDelimited(ms, 5, evalTraceBytes); | ||
| } | ||
|
|
||
| return ms.ToArray(); | ||
| } | ||
| } | ||
|
|
||
| private static byte[] EncodeEvalTraceBody(EvaluationTraceData data) | ||
| { | ||
| using (var ms = new MemoryStream()) | ||
| { | ||
| if (data.Reason != EvaluationReason.Unspecified) | ||
| { | ||
| WriteTag(ms, 1, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)data.Reason); | ||
| } | ||
|
|
||
| if (data.ErrorCode != EvaluationErrorCode.Unspecified) | ||
| { | ||
| WriteTag(ms, 2, WireTypeVarint); | ||
| WriteVarint(ms, (ulong)data.ErrorCode); | ||
| } | ||
|
|
||
| return ms.ToArray(); | ||
| } | ||
| } | ||
|
|
||
| private static void WriteTag(Stream stream, int fieldNumber, int wireType) | ||
| { | ||
| WriteVarint(stream, (ulong)((fieldNumber << 3) | wireType)); | ||
| } | ||
|
|
||
| private static void WriteVarint(Stream stream, ulong value) | ||
| { | ||
| do | ||
| { | ||
| var b = (byte)(value & 0x7F); | ||
| value >>= 7; | ||
| if (value != 0) | ||
| { | ||
| b |= 0x80; | ||
| } | ||
|
|
||
| stream.WriteByte(b); | ||
| } | ||
| while (value != 0); | ||
| } | ||
|
|
||
| private static void WriteLengthDelimited(Stream stream, int fieldNumber, byte[] data) | ||
| { | ||
| WriteTag(stream, fieldNumber, WireTypeLengthDelimited); | ||
| WriteVarint(stream, (ulong)data.Length); | ||
| stream.Write(data, 0, data.Length); | ||
| } | ||
| } | ||
| } |
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should be unity?
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yes!