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handle WINDOW_UPDATEs for streams and connection separately

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In IETF QUIC, stream 0 is a valid stream ID, and is not used to encode
WINDOW_UPDATEs for the connection any more.
This commit is contained in:
Marten Seemann
2017-10-16 18:21:01 +07:00
parent c53a83535e
commit e087ee7e9f
6 changed files with 62 additions and 42 deletions
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20
internal/flowcontrol/flow_control_manager_test.go
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@@ -302,19 +302,18 @@ var _ = Describe("Flow Control Manager", func() {
Context("window updates", func() {
It("updates the window for a normal stream", func() {
fcm.NewStream(5, true)
updated, err := fcm.UpdateWindow(5, 1000)
updated, err := fcm.UpdateStreamWindow(5, 1000)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
})
It("updates the connection level window", func() {
updated, err := fcm.UpdateWindow(0, 1000)
Expect(err).ToNot(HaveOccurred())
updated := fcm.UpdateConnectionWindow(1000)
Expect(updated).To(BeTrue())
})
It("errors when called for a stream that doesn't exist", func() {
_, err := fcm.UpdateWindow(17, 1000)
_, err := fcm.UpdateStreamWindow(17, 1000)
Expect(err).To(MatchError(errMapAccess))
})
})
@@ -322,7 +321,7 @@ var _ = Describe("Flow Control Manager", func() {
Context("window sizes", func() {
It("gets the window size of a stream", func() {
fcm.NewStream(5, false)
updated, err := fcm.UpdateWindow(5, 1000)
updated, err := fcm.UpdateStreamWindow(5, 1000)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
fcm.AddBytesSent(5, 500)
@@ -333,8 +332,7 @@ var _ = Describe("Flow Control Manager", func() {
It("gets the connection window size", func() {
fcm.NewStream(5, true)
updated, err := fcm.UpdateWindow(0, 1000)
Expect(err).ToNot(HaveOccurred())
updated := fcm.UpdateConnectionWindow(1000)
Expect(updated).To(BeTrue())
fcm.AddBytesSent(5, 500)
size := fcm.RemainingConnectionWindowSize()
@@ -348,10 +346,9 @@ var _ = Describe("Flow Control Manager", func() {
It("limits the stream window size by the connection window size", func() {
fcm.NewStream(5, true)
updated, err := fcm.UpdateWindow(0, 500)
Expect(err).ToNot(HaveOccurred())
updated := fcm.UpdateConnectionWindow(500)
Expect(updated).To(BeTrue())
updated, err = fcm.UpdateWindow(5, 1000)
updated, err := fcm.UpdateStreamWindow(5, 1000)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
size, err := fcm.SendWindowSize(5)
@@ -361,8 +358,7 @@ var _ = Describe("Flow Control Manager", func() {
It("does not reduce the size of the connection level window, if the stream does not contribute", func() {
fcm.NewStream(3, false)
updated, err := fcm.UpdateWindow(0, 1000)
Expect(err).ToNot(HaveOccurred())
updated := fcm.UpdateConnectionWindow(1000)
Expect(updated).To(BeTrue())
fcm.AddBytesSent(3, 456) // WindowSize should return the same value no matter how much was sent
size := fcm.RemainingConnectionWindowSize()