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don't send a STOP_SENDING if the stream was already reset by the peer

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This commit is contained in:
Marten Seemann 2019-01-22 20:57:06 +07:00
parent bfbf0bca48
commit 9888db457f
2 changed files with 27 additions and 23 deletions
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5
receive_stream.go
View file

@ -190,10 +190,7 @@ func (s *receiveStream) CancelRead(errorCode protocol.ApplicationErrorCode) erro
s.mutex.Lock()
defer s.mutex.Unlock()
if s.finRead {
return nil
}
if s.canceledRead {
if s.finRead || s.canceledRead || s.resetRemotely {
return nil
}
s.canceledRead = true

45
receive_stream_test.go
View file

@ -481,30 +481,37 @@ var _ = Describe("Receive Stream", func() {
Expect(err).To(MatchError("Read on stream 1337 canceled with error code 1234"))
})
It("doesn't send a RESET_STREAM frame, if the FIN was already read", func() {
mockFC.EXPECT().UpdateHighestReceived(protocol.ByteCount(6), true)
mockFC.EXPECT().AddBytesRead(protocol.ByteCount(6))
// no calls to mockSender.queueControlFrame
err := str.handleStreamFrame(&wire.StreamFrame{
StreamID: streamID,
Data: []byte("foobar"),
FinBit: true,
})
Expect(err).ToNot(HaveOccurred())
mockSender.EXPECT().onStreamCompleted(streamID)
_, err = strWithTimeout.Read(make([]byte, 100))
Expect(err).To(MatchError(io.EOF))
err = str.CancelRead(1234)
Expect(err).ToNot(HaveOccurred())
})
It("queues a STOP_SENDING frame", func() {
mockSender.EXPECT().queueControlFrame(&wire.StopSendingFrame{
StreamID: streamID,
ErrorCode: 1234,
})
err := str.CancelRead(1234)
Expect(err).ToNot(HaveOccurred())
Expect(str.CancelRead(1234)).To(Succeed())
})
It("doesn't send a STOP_SENDING frame, if the FIN was already read", func() {
mockFC.EXPECT().UpdateHighestReceived(protocol.ByteCount(6), true)
mockFC.EXPECT().AddBytesRead(protocol.ByteCount(6))
// no calls to mockSender.queueControlFrame
Expect(str.handleStreamFrame(&wire.StreamFrame{
StreamID: streamID,
Data: []byte("foobar"),
FinBit: true,
})).To(Succeed())
mockSender.EXPECT().onStreamCompleted(streamID)
_, err := strWithTimeout.Read(make([]byte, 100))
Expect(err).To(MatchError(io.EOF))
Expect(str.CancelRead(1234)).To(Succeed())
})
It("doesn't send a STOP_SENDING frame, if the stream was already reset", func() {
mockFC.EXPECT().UpdateHighestReceived(protocol.ByteCount(42), true)
mockSender.EXPECT().onStreamCompleted(streamID)
Expect(str.handleResetStreamFrame(&wire.ResetStreamFrame{
StreamID: streamID,
ByteOffset: 42,
})).To(Succeed())
Expect(str.CancelRead(1234)).To(Succeed())
})
})