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Add EventSource and activity metadata to server
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| #region Copyright notice and license | ||
|
|
||
| // Copyright 2019 The gRPC Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| #endregion | ||
|
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| using System.Diagnostics.Tracing; | ||
| using System.Runtime.CompilerServices; | ||
| using System.Threading; | ||
| using Grpc.Core; | ||
|
|
||
| namespace Grpc.AspNetCore.Server.Internal | ||
| { | ||
| internal class GrpcEventSource : EventSource | ||
| { | ||
| public static readonly GrpcEventSource Log = new GrpcEventSource(); | ||
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| private PollingCounter? _totalCallsCounter; | ||
| private PollingCounter? _currentCallsCounter; | ||
| private PollingCounter? _messagesSentCounter; | ||
| private PollingCounter? _messagesReceivedCounter; | ||
| private PollingCounter? _callsFailedCounter; | ||
| private PollingCounter? _callsDeadlineExceededCounter; | ||
| private PollingCounter? _callsUnimplementedCounter; | ||
|
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| private long _totalCalls; | ||
| private long _currentCalls; | ||
| private long _messageSent; | ||
| private long _messageReceived; | ||
| private long _callsFailed; | ||
| private long _callsDeadlineExceeded; | ||
| private long _callsUnimplemented; | ||
|
|
||
| internal GrpcEventSource() | ||
| : base("Grpc.AspNetCore.Server") | ||
| { | ||
| } | ||
|
|
||
| // Used for testing | ||
| internal GrpcEventSource(string eventSourceName) | ||
| : base(eventSourceName) | ||
| { | ||
| } | ||
|
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||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 1, Level = EventLevel.Verbose)] | ||
| public void CallStart(string method) | ||
| { | ||
| Interlocked.Increment(ref _totalCalls); | ||
| Interlocked.Increment(ref _currentCalls); | ||
|
|
||
| WriteEvent(1, method); | ||
| } | ||
|
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||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 2, Level = EventLevel.Verbose)] | ||
| public void CallStop() | ||
| { | ||
| Interlocked.Decrement(ref _currentCalls); | ||
|
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| WriteEvent(2); | ||
| } | ||
|
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||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 3, Level = EventLevel.Error)] | ||
| public void CallFailed(StatusCode statusCode) | ||
| { | ||
| Interlocked.Increment(ref _callsFailed); | ||
|
|
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| WriteEvent(3, (int)statusCode); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 4, Level = EventLevel.Error)] | ||
| public void CallDeadlineExceeded() | ||
| { | ||
| Interlocked.Increment(ref _callsDeadlineExceeded); | ||
|
|
||
| WriteEvent(4); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 5, Level = EventLevel.Verbose)] | ||
| public void MessageSent() | ||
| { | ||
| Interlocked.Increment(ref _messageSent); | ||
|
|
||
| WriteEvent(5); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 6, Level = EventLevel.Verbose)] | ||
| public void MessageReceived() | ||
| { | ||
| Interlocked.Increment(ref _messageReceived); | ||
|
|
||
| WriteEvent(6); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.NoInlining)] | ||
| [Event(eventId: 7, Level = EventLevel.Verbose)] | ||
| public void CallUnimplemented(string method) | ||
| { | ||
| Interlocked.Increment(ref _callsUnimplemented); | ||
|
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| WriteEvent(7, method); | ||
| } | ||
|
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||
| protected override void OnEventCommand(EventCommandEventArgs command) | ||
| { | ||
| if (command.Command == EventCommand.Enable) | ||
| { | ||
| // This is the convention for initializing counters in the RuntimeEventSource (lazily on the first enable command). | ||
| // They aren't disabled afterwards... | ||
|
|
||
| _totalCallsCounter ??= new PollingCounter("total-calls", this, () => _totalCalls) | ||
| { | ||
| DisplayName = "Total Calls", | ||
| }; | ||
| _currentCallsCounter ??= new PollingCounter("current-calls", this, () => _currentCalls) | ||
| { | ||
| DisplayName = "Current Calls" | ||
| }; | ||
| _callsFailedCounter ??= new PollingCounter("calls-failed", this, () => _callsFailed) | ||
| { | ||
| DisplayName = "Total Calls Failed", | ||
| }; | ||
| _callsDeadlineExceededCounter ??= new PollingCounter("calls-deadline-exceeded", this, () => _callsDeadlineExceeded) | ||
| { | ||
| DisplayName = "Total Calls Deadline Exceeded", | ||
| }; | ||
| _messagesSentCounter ??= new PollingCounter("messages-sent", this, () => _messageSent) | ||
| { | ||
| DisplayName = "Total Messages Sent", | ||
| }; | ||
| _messagesReceivedCounter ??= new PollingCounter("messages-received", this, () => _messageReceived) | ||
| { | ||
| DisplayName = "Total Messages Received", | ||
| }; | ||
| _callsUnimplementedCounter ??= new PollingCounter("calls-unimplemented", this, () => _callsUnimplemented) | ||
| { | ||
| DisplayName = "Total Calls Unimplemented", | ||
| }; | ||
| } | ||
| } | ||
| } | ||
| } |
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