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Reset KeepAliveTimeout on HTTP/2 ping (#24644)

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James Newton-King 2020-08-11 14:59:24 +12:00 committed by GitHub
parent 942b6de03d
commit 5fbd1eb007
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2 changed files with 64 additions and 0 deletions
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6
src/Servers/Kestrel/Core/src/Internal/Http2/Http2Connection.cs
View File

@ -808,6 +808,12 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2
throw new Http2ConnectionErrorException(CoreStrings.FormatHttp2ErrorUnexpectedFrameLength(_incomingFrame.Type, 8), Http2ErrorCode.FRAME_SIZE_ERROR); throw new Http2ConnectionErrorException(CoreStrings.FormatHttp2ErrorUnexpectedFrameLength(_incomingFrame.Type, 8), Http2ErrorCode.FRAME_SIZE_ERROR);
} }
// Incoming ping resets connection keep alive timeout
if (TimeoutControl.TimerReason == TimeoutReason.KeepAlive)
{
TimeoutControl.ResetTimeout(Limits.KeepAliveTimeout.Ticks, TimeoutReason.KeepAlive);
}
if (_incomingFrame.PingAck) if (_incomingFrame.PingAck)
{ {
// TODO: verify that payload is equal to the outgoing PING frame // TODO: verify that payload is equal to the outgoing PING frame

58
src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2TimeoutTests.cs
View File

@ -120,6 +120,64 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Tests
_mockTimeoutHandler.VerifyNoOtherCalls(); _mockTimeoutHandler.VerifyNoOtherCalls();
} }
[Fact]
public async Task PING_WithinKeepAliveTimeout_ResetKeepAliveTimeout()
{
var mockSystemClock = _serviceContext.MockSystemClock;
var limits = _serviceContext.ServerOptions.Limits;
_timeoutControl.Initialize(mockSystemClock.UtcNow.Ticks);
CreateConnection();
await InitializeConnectionAsync(_noopApplication);
// Connection starts and sets keep alive timeout
_mockTimeoutControl.Verify(c => c.SetTimeout(It.IsAny<long>(), TimeoutReason.KeepAlive), Times.Once);
_mockTimeoutControl.Verify(c => c.ResetTimeout(It.IsAny<long>(), TimeoutReason.KeepAlive), Times.Never);
await SendPingAsync(Http2PingFrameFlags.NONE);
await ExpectAsync(Http2FrameType.PING,
withLength: 8,
withFlags: (byte)Http2PingFrameFlags.ACK,
withStreamId: 0);
// Server resets keep alive timeout
_mockTimeoutControl.Verify(c => c.ResetTimeout(It.IsAny<long>(), TimeoutReason.KeepAlive), Times.Once);
}
[Fact]
public async Task PING_NoKeepAliveTimeout_DoesNotResetKeepAliveTimeout()
{
var mockSystemClock = _serviceContext.MockSystemClock;
var limits = _serviceContext.ServerOptions.Limits;
_timeoutControl.Initialize(mockSystemClock.UtcNow.Ticks);
CreateConnection();
await InitializeConnectionAsync(_noopApplication);
// Connection starts and sets keep alive timeout
_mockTimeoutControl.Verify(c => c.SetTimeout(It.IsAny<long>(), TimeoutReason.KeepAlive), Times.Once);
_mockTimeoutControl.Verify(c => c.ResetTimeout(It.IsAny<long>(), TimeoutReason.KeepAlive), Times.Never);
_mockTimeoutControl.Verify(c => c.CancelTimeout(), Times.Never);
await StartStreamAsync(1, _browserRequestHeaders, endStream: false);
// Starting a stream cancels the keep alive timeout
_mockTimeoutControl.Verify(c => c.CancelTimeout(), Times.Once);
await SendPingAsync(Http2PingFrameFlags.NONE);
await ExpectAsync(Http2FrameType.PING,
withLength: 8,
withFlags: (byte)Http2PingFrameFlags.ACK,
withStreamId: 0);
// Server doesn't reset keep alive timeout because it isn't running
_mockTimeoutControl.Verify(c => c.ResetTimeout(It.IsAny<long>(), TimeoutReason.KeepAlive), Times.Never);
}
[Fact] [Fact]
public async Task HEADERS_ReceivedWithoutAllCONTINUATIONs_WithinRequestHeadersTimeout_AbortsConnection() public async Task HEADERS_ReceivedWithoutAllCONTINUATIONs_WithinRequestHeadersTimeout_AbortsConnection()
{ {