add gQUIC 44 to the supported versions

Changelog.md

@@ -2,7 +2,7 @@
 
 ## v0.10.0 (unreleased)
 
-- Drop support for QUIC 42.
+- Add support for QUIC 44, drop support for QUIC 42.
 
 ## v0.9.0 (2018-08-15)
 

integrationtests/chrome/chrome_test.go

@@ -13,6 +13,11 @@ var _ = Describe("Chrome tests", func() {
 	for i := range protocol.SupportedVersions {
 		version := protocol.SupportedVersions[i]
 
+		// TODO: activate Chrome integration tests with gQUIC 44
+		if version == protocol.Version44 {
+			continue
+		}
+
 		Context(fmt.Sprintf("with version %s", version), func() {
 			JustBeforeEach(func() {
 				testserver.StartQuicServer([]protocol.VersionNumber{version})

integrationtests/self/multiplex_test.go

@@ -21,6 +21,12 @@ var _ = Describe("Multiplexing", func() {
 	for _, v := range append(protocol.SupportedVersions, protocol.VersionTLS) {
 		version := v
 
+		// gQUIC 44 uses 0 byte connection IDs for packets sent to the client
+		// It's not possible to do demultiplexing.
+		if v == protocol.Version44 {
+			continue
+		}
+
 		Context(fmt.Sprintf("with QUIC version %s", version), func() {
 			runServer := func(ln quic.Listener) {
 				go func() {

interface.go

@@ -21,6 +21,8 @@ const (
 	VersionGQUIC39 = protocol.Version39
 	// VersionGQUIC43 is gQUIC version 43.
 	VersionGQUIC43 = protocol.Version43
+	// VersionGQUIC43 is gQUIC version 44.
+	VersionGQUIC44 = protocol.Version44
 )
 
 // A Cookie can be used to verify the ownership of the client address.

internal/protocol/version.go

@@ -29,6 +29,7 @@ const (
 // SupportedVersions lists the versions that the server supports
 // must be in sorted descending order
 var SupportedVersions = []VersionNumber{
+	Version44,
 	Version43,
 	Version39,
 }

internal/protocol/version_test.go

@@ -20,7 +20,7 @@ var _ = Describe("Version", func() {
 	It("says if a version is valid", func() {
 		Expect(IsValidVersion(Version39)).To(BeTrue())
 		Expect(IsValidVersion(Version43)).To(BeTrue())
-		Expect(IsValidVersion(Version44)).To(BeFalse())
+		Expect(IsValidVersion(Version44)).To(BeTrue())
 		Expect(IsValidVersion(VersionTLS)).To(BeTrue())
 		Expect(IsValidVersion(VersionWhatever)).To(BeFalse())
 		Expect(IsValidVersion(VersionUnknown)).To(BeFalse())