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release connection-level flow control credit when a stream is reset

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This commit is contained in:
Marten Seemann 2019-01-22 23:45:40 +07:00
parent 1864e301ef
commit 1d7d532035
5 changed files with 99 additions and 26 deletions
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14
internal/flowcontrol/stream_flow_controller_test.go
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@ -149,6 +149,13 @@ var _ = Describe("Stream Flow controller", func() {
err = controller.UpdateHighestReceived(201, true)
Expect(err).To(MatchError("StreamDataAfterTermination: Received inconsistent final offset for stream 10 (old: 200, new: 201 bytes)"))
})
It("tells the connection flow controller when a stream is abandoned", func() {
controller.AddBytesRead(5)
Expect(controller.UpdateHighestReceived(100, true)).To(Succeed())
controller.Abandon()
Expect(controller.connection.(*connectionFlowController).bytesRead).To(Equal(protocol.ByteCount(100)))
})
})
It("saves when data is read", func() {
@ -198,6 +205,13 @@ var _ = Describe("Stream Flow controller", func() {
Expect(controller.connection.(*connectionFlowController).receiveWindowSize).To(Equal(protocol.ByteCount(float64(controller.receiveWindowSize) * protocol.ConnectionFlowControlMultiplier)))
})
It("sends a connection-level window update when a large stream is abandoned", func() {
Expect(controller.UpdateHighestReceived(90, true)).To(Succeed())
Expect(controller.connection.GetWindowUpdate()).To(BeZero())
controller.Abandon()
Expect(controller.connection.GetWindowUpdate()).ToNot(BeZero())
})
It("doesn't increase the window after a final offset was already received", func() {
Expect(controller.UpdateHighestReceived(90, true)).To(Succeed())
controller.AddBytesRead(30)