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change fcm.SendWindowSize to include conn window to simplify framer

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This commit is contained in:
Lucas Clemente
2016-07-26 17:06:54 +02:00
parent ebf41d9f26
commit 5f774c8e03
6 changed files with 49 additions and 39 deletions
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25
flowcontrol/flow_control_manager_test.go
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@@ -141,24 +141,37 @@ var _ = Describe("Flow Control Manager", func() {
Context("window sizes", func() {
It("gets the window size of a stream", func() {
fcm.NewStream(5, true)
fcm.NewStream(5, false)
updated, err := fcm.UpdateWindow(5, 0x1000)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
fcm.AddBytesSent(5, 0x500) // WindowSize should return the same value no matter how much was sent
fcm.AddBytesSent(5, 0x500)
size, err := fcm.SendWindowSize(5)
Expect(err).ToNot(HaveOccurred())
Expect(size).To(Equal(protocol.ByteCount(0x1000)))
Expect(size).To(Equal(protocol.ByteCount(0x1000 - 0x500)))
})
It("gets the window size of a stream", func() {
It("gets the connection window size", func() {
fcm.NewStream(5, true)
updated, err := fcm.UpdateWindow(0, 0x1000)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
fcm.AddBytesSent(5, 0x456) // WindowSize should return the same value no matter how much was sent
fcm.AddBytesSent(5, 0x500)
size := fcm.RemainingConnectionWindowSize()
Expect(size).To(Equal(protocol.ByteCount(0x1000 - 0x456)))
Expect(size).To(Equal(protocol.ByteCount(0x1000 - 0x500)))
})
It("limits the stream window size by the connection window size", func() {
fcm.NewStream(5, true)
updated, err := fcm.UpdateWindow(0, 0x500)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
updated, err = fcm.UpdateWindow(5, 0x1000)
Expect(err).ToNot(HaveOccurred())
Expect(updated).To(BeTrue())
size, err := fcm.SendWindowSize(5)
Expect(err).NotTo(HaveOccurred())
Expect(size).To(Equal(protocol.ByteCount(0x500)))
})
It("does not reduce the size of the connection level window, if the stream does not contribute", func() {