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Get current context from ConcurrentDictionary #499

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merged 2 commits into from
Aug 23, 2022
Merged

Get current context from ConcurrentDictionary #499

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3acdcb3
Get current context from ConcurrentDictionary
feiyun0112 Aug 22, 2022
6f0184e
Merge branch 'master' into fix-442
feiyun0112 Aug 22, 2022
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37 changes: 22 additions & 15 deletions src/SkyApm.Diagnostics.MongoDB/MongoDiagnosticProcessor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,28 +18,31 @@

using MongoDB.Driver.Core.Events;
using SkyApm.Tracing;
using SkyApm.Tracing.Segments;
using System;
using System.Collections.Concurrent;

namespace SkyApm.Diagnostics.MongoDB
{
public class MongoDiagnosticsProcessor : ITracingDiagnosticProcessor
{
private readonly ConcurrentDictionary<int, SegmentContext> _contextMap = new ConcurrentDictionary<int, SegmentContext>();

public string ListenerName => "MongoSourceListener";
private readonly ITracingContext _tracingContext;
private readonly IExitSegmentContextAccessor _contextAccessor;

public MongoDiagnosticsProcessor(ITracingContext tracingContext,
IExitSegmentContextAccessor contextAccessor)
public MongoDiagnosticsProcessor(ITracingContext tracingContext)
{
_tracingContext = tracingContext;
_contextAccessor = contextAccessor;
}

[DiagnosticName("MongoActivity.Start")]
public void BeforeExecuteCommand([Object] CommandStartedEvent @event)
{
var operationName = DiagnosticsActivityEventSubscriber.GetCollectionName(@event);
var context = _tracingContext.CreateExitSegmentContext(operationName, @event.ConnectionId.ServerId.EndPoint.ToString());
_contextMap.TryAdd(@event.RequestId, context);

context.Span.SpanLayer = Tracing.Segments.SpanLayer.DB;
context.Span.Component = Common.Components.MongoDBCLIENT;
context.Span.AddTag("db.system", "mongodb");
Expand All @@ -53,24 +56,28 @@ public void BeforeExecuteCommand([Object] CommandStartedEvent @event)

[DiagnosticName("MongoActivity.Stop")]
public void AfterExecuteCommand([Object] CommandSucceededEvent @event)
{
var context = _contextAccessor.Context;
context?.Span.AddTag(Common.Tags.STATUS_CODE, "ok");
{
if (_contextMap.TryRemove(@event.RequestId, out var context))
{
context?.Span.AddTag(Common.Tags.STATUS_CODE, "ok");

_tracingContext.Release(context);
_tracingContext.Release(context);
}
}

[DiagnosticName("MongoActivity.Failed")]
public void FailedExecuteCommand([Object] CommandFailedEvent @event)
{
var context = _contextAccessor.Context;
context?.Span.AddTag("status_description", @event.Failure.Message);
context?.Span.AddTag("error.type", @event.Failure.GetType().FullName);
context?.Span.AddTag("error.msg", @event.Failure.Message);
context?.Span.AddTag("error.stack", @event.Failure.StackTrace);
context?.Span.AddTag(Common.Tags.STATUS_CODE, "error");
if (_contextMap.TryRemove(@event.RequestId, out var context))
{
context?.Span.AddTag("status_description", @event.Failure.Message);
context?.Span.AddTag("error.type", @event.Failure.GetType().FullName);
context?.Span.AddTag("error.msg", @event.Failure.Message);
context?.Span.AddTag("error.stack", @event.Failure.StackTrace);
context?.Span.AddTag(Common.Tags.STATUS_CODE, "error");

_tracingContext.Release(context);
_tracingContext.Release(context);
}
}

}
Expand Down