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send IETF draft style version negotiation packets

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Send a gQUIC Version Negotiation Packet, if the client packet has a
Public Header. If the client has an IETF draft style header, send an
IETF draft style Version Negotiation Packet.
This commit is contained in:
Marten Seemann 2017-10-29 18:19:24 +07:00
parent 515babb4bd
commit b0f34e776e
6 changed files with 108 additions and 36 deletions
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29
internal/wire/version_negotiation_test.go
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@ -1,17 +1,32 @@
package wire
import (
"bytes"
"github.com/lucas-clemente/quic-go/internal/protocol"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Version Negotiation Packet", func() {
It("composes version negotiation packets", func() {
expected := append(
[]byte{0x01 | 0x08, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
[]byte{'Q', '0', '3', '9'}...,
)
Expect(ComposeVersionNegotiation(1, []protocol.VersionNumber{protocol.Version39})).To(Equal(expected))
var _ = Describe("Version Negotiation Packets", func() {
It("writes for gQUIC", func() {
versions := []protocol.VersionNumber{1001, 1003}
data := ComposeGQUICVersionNegotiation(0x1337, versions)
hdr, err := parsePublicHeader(bytes.NewReader(data), protocol.PerspectiveServer, protocol.VersionUnknown)
Expect(err).ToNot(HaveOccurred())
Expect(hdr.VersionFlag).To(BeTrue())
Expect(hdr.ConnectionID).To(Equal(protocol.ConnectionID(0x1337)))
Expect(hdr.SupportedVersions).To(Equal(versions))
})
It("writes IETF draft style", func() {
versions := []protocol.VersionNumber{1001, 1003}
data := ComposeVersionNegotiation(0x1337, 0x42, versions)
hdr, err := parseHeader(bytes.NewReader(data), protocol.PerspectiveServer)
Expect(err).ToNot(HaveOccurred())
Expect(hdr.Type).To(Equal(protocol.PacketTypeVersionNegotiation))
Expect(hdr.ConnectionID).To(Equal(protocol.ConnectionID(0x1337)))
Expect(hdr.PacketNumber).To(Equal(protocol.PacketNumber(0x42)))
Expect(hdr.SupportedVersions).To(Equal(versions))
})
})