gr1ffon/quic-go
1
0
Fork 0
forked from quic-go/quic-go
Code Pull Requests Activity

implement the IETF draft 10 header changes

Browse Source
This commit is contained in:
Marten Seemann
2018-02-18 10:57:36 +08:00
parent ba00cb9175
commit b6ca910a52
5 changed files with 52 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
internal/wire/header.go
View File

@@ -50,6 +50,7 @@ func ParseHeaderSentByServer(b *bytes.Reader, version protocol.VersionNumber) (*
// the client knows the version that this packet was sent with
isPublicHeader = !version.UsesTLS()
}
return parsePacketHeader(b, protocol.PerspectiveServer, isPublicHeader)
}
@@ -61,12 +62,13 @@ func ParseHeaderSentByClient(b *bytes.Reader) (*Header, error) {
}
_ = b.UnreadByte() // unread the type byte
// If this is a gQUIC header 0x80 and 0x40 will be set to 0.
// If this is an IETF QUIC header there are two options:
// * either 0x80 will be 1 (for the Long Header)
// * or 0x40 (the Connection ID Flag) will be 0 (for the Short Header), since we don't the client to omit it
isPublicHeader := typeByte&0xc0 == 0
// In an IETF QUIC packet header
// * either 0x80 is set (for the Long Header)
// * or 0x8 is unset (for the Short Header)
// In a gQUIC Public Header
// * 0x80 is always unset and
// * and 0x8 is always set (this is the Connection ID flag, which the client always sets)
isPublicHeader := typeByte&0x88 == 0x8
return parsePacketHeader(b, protocol.PerspectiveClient, isPublicHeader)
}