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change the type of Connection ID to byte slice

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This commit is contained in:
Marten Seemann 2018-03-16 13:29:47 +01:00
parent af8971d8c9
commit 1a035a265c
28 changed files with 258 additions and 189 deletions
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9
internal/wire/version_negotiation.go
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@ -12,7 +12,7 @@ import (
func ComposeGQUICVersionNegotiation(connID protocol.ConnectionID, versions []protocol.VersionNumber) []byte {
buf := bytes.NewBuffer(make([]byte, 0, 1+8+len(versions)*4))
buf.Write([]byte{0x1 | 0x8}) // type byte
utils.BigEndian.WriteUint64(buf, uint64(connID))
buf.Write(connID)
for _, v := range versions {
utils.BigEndian.WriteUint32(buf, uint32(v))
}
@ -20,16 +20,13 @@ func ComposeGQUICVersionNegotiation(connID protocol.ConnectionID, versions []pro
}
// ComposeVersionNegotiation composes a Version Negotiation according to the IETF draft
func ComposeVersionNegotiation(
connID protocol.ConnectionID,
versions []protocol.VersionNumber,
) []byte {
func ComposeVersionNegotiation(connID protocol.ConnectionID, versions []protocol.VersionNumber) []byte {
greasedVersions := protocol.GetGreasedVersions(versions)
buf := bytes.NewBuffer(make([]byte, 0, 1+8+4+len(greasedVersions)*4))
r := make([]byte, 1)
_, _ = rand.Read(r) // ignore the error here. It is not critical to have perfect random here.
buf.WriteByte(r[0] | 0x80)
utils.BigEndian.WriteUint64(buf, uint64(connID))
buf.Write(connID)
utils.BigEndian.WriteUint32(buf, 0) // version 0
for _, v := range greasedVersions {
utils.BigEndian.WriteUint32(buf, uint32(v))