Files
quic-go/internal/wire/new_token_frame.go
Jannis Seemann c2e784aaf2 wire: optimize parsing logic for STREAM, DATAGRAM and ACK frames (#5227)
ParseOtherFrames-16       148ns ± 4%     150ns ± 3%     ~     (p=0.223 n=8+8)
ParseAckFrame-16          302ns ± 2%     298ns ± 3%     ~     (p=0.246 n=8+8)
ParseStreamFrame-16       262ns ± 3%     213ns ± 2%  -18.61%  (p=0.000 n=8+8)
ParseDatagramFrame-16     561ns ± 5%     547ns ± 4%     ~     (p=0.105 n=8+8)
2025-07-20 13:14:38 +02:00

44 lines
1.0 KiB
Go

package wire
import (
"errors"
"io"
"github.com/quic-go/quic-go/internal/protocol"
"github.com/quic-go/quic-go/quicvarint"
)
// A NewTokenFrame is a NEW_TOKEN frame
type NewTokenFrame struct {
Token []byte
}
func parseNewTokenFrame(b []byte, _ protocol.Version) (*NewTokenFrame, int, error) {
tokenLen, l, err := quicvarint.Parse(b)
if err != nil {
return nil, 0, replaceUnexpectedEOF(err)
}
b = b[l:]
if tokenLen == 0 {
return nil, 0, errors.New("token must not be empty")
}
if uint64(len(b)) < tokenLen {
return nil, 0, io.EOF
}
token := make([]byte, int(tokenLen))
copy(token, b)
return &NewTokenFrame{Token: token}, l + int(tokenLen), nil
}
func (f *NewTokenFrame) Append(b []byte, _ protocol.Version) ([]byte, error) {
b = append(b, byte(FrameTypeNewToken))
b = quicvarint.Append(b, uint64(len(f.Token)))
b = append(b, f.Token...)
return b, nil
}
// Length of a written frame
func (f *NewTokenFrame) Length(protocol.Version) protocol.ByteCount {
return 1 + protocol.ByteCount(quicvarint.Len(uint64(len(f.Token)))+len(f.Token))
}