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don't send a window update after the final offset was received

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Receiving a final offset means the peer is done sending on that stream,
and there's no need to grant additional flow control credit.
This commit is contained in:
Marten Seemann 2017-12-06 20:25:37 +07:00
parent 851b44c905
commit f51cfe9fe3
2 changed files with 13 additions and 0 deletions
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8
internal/flowcontrol/stream_flow_controller_test.go
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@ -193,6 +193,14 @@ var _ = Describe("Stream Flow controller", func() {
Expect(controller.receiveWindowIncrement).To(Equal(2 * oldIncrement))
Expect(controller.connection.(*connectionFlowController).receiveWindowIncrement).To(Equal(protocol.ByteCount(120))) // unchanged
})
It("doesn't increase the window after a final offset was already received", func() {
controller.AddBytesRead(80)
err := controller.UpdateHighestReceived(90, true)
Expect(err).ToNot(HaveOccurred())
offset := controller.GetWindowUpdate()
Expect(offset).To(BeZero())
})
})
})