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implement the new header format

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Currently, we're only sending and accepting packets with matching source
and destination connection IDs.
This commit is contained in:
Marten Seemann 2018-04-06 10:03:34 +07:00
parent 1a035a265c
commit 52d31dd7ef
19 changed files with 527 additions and 344 deletions
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12
internal/wire/version_negotiation_test.go
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@ -16,19 +16,23 @@ var _ = Describe("Version Negotiation Packets", func() {
hdr, err := parsePublicHeader(bytes.NewReader(data), protocol.PerspectiveServer)
Expect(err).ToNot(HaveOccurred())
Expect(hdr.VersionFlag).To(BeTrue())
Expect(hdr.ConnectionID).To(Equal(connID))
Expect(hdr.DestConnectionID).To(Equal(connID))
Expect(hdr.SrcConnectionID).To(Equal(connID))
Expect(hdr.SupportedVersions).To(Equal(versions))
})
It("writes in IETF draft style", func() {
connID := protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe, 0x13, 0x37}
srcConnID := protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe, 0x13, 0x37}
destConnID := protocol.ConnectionID{1, 2, 3, 4, 5, 6, 7, 8}
versions := []protocol.VersionNumber{1001, 1003}
data := ComposeVersionNegotiation(connID, versions)
data, err := ComposeVersionNegotiation(destConnID, srcConnID, versions)
Expect(err).ToNot(HaveOccurred())
Expect(data[0] & 0x80).ToNot(BeZero())
hdr, err := parseHeader(bytes.NewReader(data), protocol.PerspectiveServer)
Expect(err).ToNot(HaveOccurred())
Expect(hdr.IsVersionNegotiation).To(BeTrue())
Expect(hdr.ConnectionID).To(Equal(connID))
Expect(hdr.DestConnectionID).To(Equal(destConnID))
Expect(hdr.SrcConnectionID).To(Equal(srcConnID))
Expect(hdr.Version).To(BeZero())
// the supported versions should include one reserved version number
Expect(hdr.SupportedVersions).To(HaveLen(len(versions) + 1))