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Revert "Revert "Wait to dispose RequestAborted CTS (#4447)"" (#6812) 

This reverts commit 29b7c5c030.
This commit is contained in:
Stephen Halter 2019-01-17 16:22:03 -08:00 committed by GitHub
parent 9c017cd805
commit 7d4ae6049f
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 36 additions and 21 deletions
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1
eng/PatchConfig.props
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@ -26,6 +26,7 @@ Later on, this will be checked using this condition:
Microsoft.AspNetCore.Mvc.Core;
Microsoft.AspNetCore.Routing;
Microsoft.AspNetCore.Server.IIS;
Microsoft.AspNetCore.Server.Kestrel.Core;
java:signalr;
</PackagesInPatch>
</PropertyGroup>

36
src/Servers/Kestrel/Core/src/Internal/Http/HttpProtocol.cs
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@ -367,11 +367,8 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
// Lock to prevent CancelRequestAbortedToken from attempting to cancel an disposed CTS.
lock (_abortLock)
{
if (!_requestAborted)
{
_abortedCts?.Dispose();
_abortedCts = null;
}
_abortedCts?.Dispose();
_abortedCts = null;
}
_requestHeadersParsed = 0;
@ -415,15 +412,16 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
private void CancelRequestAbortedToken()
{
try
lock (_abortLock)
{
_abortedCts.Cancel();
_abortedCts.Dispose();
_abortedCts = null;
}
catch (Exception ex)
{
Log.ApplicationError(ConnectionId, TraceIdentifier, ex);
try
{
_abortedCts?.Cancel();
}
catch (Exception ex)
{
Log.ApplicationError(ConnectionId, TraceIdentifier, ex);
}
}
}
@ -437,12 +435,12 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
}
_requestAborted = true;
}
if (_abortedCts != null)
{
// Potentially calling user code. CancelRequestAbortedToken logs any exceptions.
ServiceContext.Scheduler.Schedule(state => ((HttpProtocol)state).CancelRequestAbortedToken(), this);
if (_abortedCts != null && !_preventRequestAbortedCancellation)
{
// Potentially calling user code. CancelRequestAbortedToken logs any exceptions.
ServiceContext.Scheduler.Schedule(state => ((HttpProtocol)state).CancelRequestAbortedToken(), this);
}
}
}
@ -462,8 +460,6 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
}
_preventRequestAbortedCancellation = true;
_abortedCts?.Dispose();
_abortedCts = null;
}
}

20
src/Servers/Kestrel/Core/test/Http1ConnectionTests.cs
View File

@ -53,7 +53,11 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
var connectionFeatures = new FeatureCollection();
connectionFeatures.Set(Mock.Of<IConnectionLifetimeFeature>());
_serviceContext = new TestServiceContext();
_serviceContext = new TestServiceContext()
{
Scheduler = PipeScheduler.Inline
};
_timeoutControl = new Mock<ITimeoutControl>();
_http1ConnectionContext = new HttpConnectionContext
{
@ -724,6 +728,20 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
Assert.False(_http1Connection.RequestAborted.IsCancellationRequested);
}
[Fact]
public void RequestAbortedTokenIsFullyUsableAfterCancellation()
{
var originalToken = _http1Connection.RequestAborted;
var originalRegistration = originalToken.Register(() => { });
_http1Connection.Abort(new ConnectionAbortedException());
Assert.True(originalToken.WaitHandle.WaitOne(TestConstants.DefaultTimeout));
Assert.True(_http1Connection.RequestAborted.WaitHandle.WaitOne(TestConstants.DefaultTimeout));
Assert.Equal(originalToken, originalRegistration.Token);
}
[Fact]
public async Task ExceptionDetailNotIncludedWhenLogLevelInformationNotEnabled()
{