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negotiate maximum number of streams per connection

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fixes #20
This commit is contained in:
Marten Seemann
2016-05-14 17:10:49 +07:00
parent 16bd559d9a
commit 878d6a7140
5 changed files with 83 additions and 14 deletions
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47
handshake/connection_parameters_manager_test.go
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@@ -15,16 +15,16 @@ var _ = Describe("ConnectionsParameterManager", func() {
})
It("stores and retrieves a value", func() {
mspc := []byte{0x13, 0x37}
tcid := []byte{0x13, 0x37}
values := map[Tag][]byte{
TagMSPC: mspc,
TagTCID: tcid,
}
cpm.SetFromMap(values)
val, err := cpm.getRawValue(TagMSPC)
val, err := cpm.getRawValue(TagTCID)
Expect(err).ToNot(HaveOccurred())
Expect(val).To(Equal(mspc))
Expect(val).To(Equal(tcid))
})
It("returns an error for a tag that is not set", func() {
@@ -40,26 +40,33 @@ var _ = Describe("ConnectionsParameterManager", func() {
Expect(entryMap).To(HaveKey(TagMSPC))
})
It("returns stream-level flow control windows in SHLO", func() {
It("sets the stream-level flow control windows in SHLO", func() {
cpm.receiveStreamFlowControlWindow = 0xDEADBEEF
entryMap := cpm.GetSHLOMap()
Expect(entryMap).To(HaveKey(TagSFCW))
Expect(entryMap[TagSFCW]).To(Equal([]byte{0xEF, 0xBE, 0xAD, 0xDE}))
})
It("returns connection-level flow control windows in SHLO", func() {
It("sets the connection-level flow control windows in SHLO", func() {
cpm.receiveConnectionFlowControlWindow = 0xDECAFBAD
entryMap := cpm.GetSHLOMap()
Expect(entryMap).To(HaveKey(TagCFCW))
Expect(entryMap[TagCFCW]).To(Equal([]byte{0xAD, 0xFB, 0xCA, 0xDE}))
})
It("returns connection-level flow control windows in SHLO", func() {
It("sets the connection-level flow control windows in SHLO", func() {
cpm.idleConnectionStateLifetime = 0xDECAFBAD * time.Second
entryMap := cpm.GetSHLOMap()
Expect(entryMap).To(HaveKey(TagICSL))
Expect(entryMap[TagICSL]).To(Equal([]byte{0xAD, 0xFB, 0xCA, 0xDE}))
})
It("sets the maximum streams per connection in SHLO", func() {
cpm.maxStreamsPerConnection = 0xDEADBEEF
entryMap := cpm.GetSHLOMap()
Expect(entryMap).To(HaveKey(TagMSPC))
Expect(entryMap[TagMSPC]).To(Equal([]byte{0xEF, 0xBE, 0xAD, 0xDE}))
})
})
Context("Truncated connection IDs", func() {
@@ -159,4 +166,30 @@ var _ = Describe("ConnectionsParameterManager", func() {
Expect(cpm.GetIdleConnectionStateLifetime()).To(Equal(value))
})
})
Context("max streams per connection", func() {
It("negotiates correctly when the client wants a larger number", func() {
Expect(cpm.negotiateMaxStreamsPerConnection(protocol.MaxStreamsPerConnection + 10)).To(Equal(protocol.MaxStreamsPerConnection))
})
It("negotiates correctly when the client wants a smaller number", func() {
Expect(cpm.negotiateMaxStreamsPerConnection(protocol.MaxStreamsPerConnection - 1)).To(Equal(protocol.MaxStreamsPerConnection - 1))
})
It("sets the negotiated max streams per connection value", func() {
// this test only works if the value given here is smaller than protocol.MaxStreamsPerConnection
values := map[Tag][]byte{
TagMSPC: []byte{2, 0, 0, 0},
}
err := cpm.SetFromMap(values)
Expect(err).ToNot(HaveOccurred())
Expect(cpm.GetMaxStreamsPerConnection()).To(Equal(uint32(2)))
})
It("gets the max streams per connection value", func() {
var value uint32 = 0xDECAFBAD
cpm.maxStreamsPerConnection = value
Expect(cpm.GetMaxStreamsPerConnection()).To(Equal(value))
})
})
})