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save version numbers such that can be written in big endian

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This makes the version number representation consistent with the IETF
draft.
This commit is contained in:
Marten Seemann
2017-10-24 10:45:08 +07:00
parent e81795e49b
commit d98a11bb35
18 changed files with 68 additions and 65 deletions
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10
internal/wire/public_header.go
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@@ -61,7 +61,7 @@ func (h *Header) writePublicHeader(b *bytes.Buffer, pers protocol.Perspective, v
utils.BigEndian.WriteUint64(b, uint64(h.ConnectionID))
}
if h.VersionFlag && pers == protocol.PerspectiveClient {
utils.LittleEndian.WriteUint32(b, protocol.VersionNumberToTag(h.Version))
utils.BigEndian.WriteUint32(b, uint32(h.Version))
}
if len(h.DiversificationNonce) > 0 {
b.Write(h.DiversificationNonce)
@@ -163,11 +163,11 @@ func parsePublicHeader(b *bytes.Reader, packetSentBy protocol.Perspective, versi
header.SupportedVersions = make([]protocol.VersionNumber, 0)
for {
var versionTag uint32
versionTag, err = utils.LittleEndian.ReadUint32(b)
versionTag, err = utils.BigEndian.ReadUint32(b)
if err != nil {
break
}
v := protocol.VersionTagToNumber(versionTag)
v := protocol.VersionNumber(versionTag)
header.SupportedVersions = append(header.SupportedVersions, v)
}
// a version negotiation packet doesn't have a packet number
@@ -175,11 +175,11 @@ func parsePublicHeader(b *bytes.Reader, packetSentBy protocol.Perspective, versi
}
// packet was sent by the client. Read the version number
var versionTag uint32
versionTag, err = utils.LittleEndian.ReadUint32(b)
versionTag, err = utils.BigEndian.ReadUint32(b)
if err != nil {
return nil, err
}
header.Version = protocol.VersionTagToNumber(versionTag)
header.Version = protocol.VersionNumber(versionTag)
version = header.Version
}