forked from quic-go/quic-go
f12ee48617
* wire: add benchmarks for the frame parser * wire: use quicvarint.Parse when parsing frames * wire: always use io.EOF for too short frames
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package wire
|
|
|
|
import (
|
|
"github.com/quic-go/quic-go/internal/protocol"
|
|
"github.com/quic-go/quic-go/internal/qerr"
|
|
"github.com/quic-go/quic-go/quicvarint"
|
|
)
|
|
|
|
// A StopSendingFrame is a STOP_SENDING frame
|
|
type StopSendingFrame struct {
|
|
StreamID protocol.StreamID
|
|
ErrorCode qerr.StreamErrorCode
|
|
}
|
|
|
|
// parseStopSendingFrame parses a STOP_SENDING frame
|
|
func parseStopSendingFrame(b []byte, _ protocol.Version) (*StopSendingFrame, int, error) {
|
|
startLen := len(b)
|
|
streamID, l, err := quicvarint.Parse(b)
|
|
if err != nil {
|
|
return nil, 0, replaceUnexpectedEOF(err)
|
|
}
|
|
b = b[l:]
|
|
errorCode, l, err := quicvarint.Parse(b)
|
|
if err != nil {
|
|
return nil, 0, replaceUnexpectedEOF(err)
|
|
}
|
|
b = b[l:]
|
|
|
|
return &StopSendingFrame{
|
|
StreamID: protocol.StreamID(streamID),
|
|
ErrorCode: qerr.StreamErrorCode(errorCode),
|
|
}, startLen - len(b), nil
|
|
}
|
|
|
|
// Length of a written frame
|
|
func (f *StopSendingFrame) Length(_ protocol.Version) protocol.ByteCount {
|
|
return 1 + protocol.ByteCount(quicvarint.Len(uint64(f.StreamID))+quicvarint.Len(uint64(f.ErrorCode)))
|
|
}
|
|
|
|
func (f *StopSendingFrame) Append(b []byte, _ protocol.Version) ([]byte, error) {
|
|
b = append(b, stopSendingFrameType)
|
|
b = quicvarint.Append(b, uint64(f.StreamID))
|
|
b = quicvarint.Append(b, uint64(f.ErrorCode))
|
|
return b, nil
|
|
}
|