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make it possible to configure the QUIC versions for the server

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This commit is contained in:
Marten Seemann 2017-04-28 17:54:02 +07:00
parent cc2dc2aded
commit b305cd674f
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GPG key ID: 3603F40B121FCDEA
16 changed files with 133 additions and 112 deletions
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25
client_test.go
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@ -2,7 +2,6 @@ package quic
import (
"bytes"
"encoding/binary"
"errors"
"net"
"reflect"
@ -198,22 +197,6 @@ var _ = Describe("Client", func() {
})
Context("version negotiation", func() {
getVersionNegotiation := func(versions []protocol.VersionNumber) []byte {
oldVersionNegotiationPacket := composeVersionNegotiation(0x1337)
oldSupportVersionTags := protocol.SupportedVersionsAsTags
var b bytes.Buffer
for _, v := range versions {
s := make([]byte, 4)
binary.LittleEndian.PutUint32(s, protocol.VersionNumberToTag(v))
b.Write(s)
}
protocol.SupportedVersionsAsTags = b.Bytes()
packet := composeVersionNegotiation(cl.connectionID)
protocol.SupportedVersionsAsTags = oldSupportVersionTags
Expect(composeVersionNegotiation(0x1337)).To(Equal(oldVersionNegotiationPacket))
return packet
}
It("recognizes that a packet without VersionFlag means that the server accepted the suggested version", func() {
ph := PublicHeader{
PacketNumber: 1,
@ -234,7 +217,7 @@ var _ = Describe("Client", func() {
Expect(newVersion).ToNot(Equal(cl.version))
Expect(sess.packetCount).To(BeZero())
cl.connectionID = 0x1337
err := cl.handlePacket(nil, getVersionNegotiation([]protocol.VersionNumber{newVersion}))
err := cl.handlePacket(nil, composeVersionNegotiation(0x1337, []protocol.VersionNumber{newVersion}))
Expect(cl.version).To(Equal(newVersion))
Expect(cl.connState).To(Equal(ConnStateVersionNegotiated))
Eventually(func() bool { return versionNegotiateConnStateCalled }).Should(BeTrue())
@ -250,7 +233,7 @@ var _ = Describe("Client", func() {
})
It("errors if no matching version is found", func() {
err := cl.handlePacket(nil, getVersionNegotiation([]protocol.VersionNumber{1}))
err := cl.handlePacket(nil, composeVersionNegotiation(0x1337, []protocol.VersionNumber{1}))
Expect(err).To(MatchError(qerr.InvalidVersion))
})
@ -258,7 +241,7 @@ var _ = Describe("Client", func() {
// if the version was not yet negotiated, handlePacket would return a VersionNegotiationMismatch error, see above test
cl.connState = ConnStateVersionNegotiated
Expect(sess.packetCount).To(BeZero())
err := cl.handlePacket(nil, getVersionNegotiation([]protocol.VersionNumber{1}))
err := cl.handlePacket(nil, composeVersionNegotiation(0x1337, []protocol.VersionNumber{1}))
Expect(err).ToNot(HaveOccurred())
Expect(cl.connState).To(Equal(ConnStateVersionNegotiated))
Expect(sess.packetCount).To(BeZero())
@ -267,7 +250,7 @@ var _ = Describe("Client", func() {
It("drops version negotiation packets that contain the offered version", func() {
ver := cl.version
err := cl.handlePacket(nil, getVersionNegotiation([]protocol.VersionNumber{ver}))
err := cl.handlePacket(nil, composeVersionNegotiation(0x1337, []protocol.VersionNumber{ver}))
Expect(err).ToNot(HaveOccurred())
Expect(cl.version).To(Equal(ver))
})