dnscrypt-proxy/vendor/github.com/quic-go/quic-go/internal/wire/path_challenge_frame.go

36 lines
772 B
Go

package wire
import (
"bytes"
"io"
"github.com/quic-go/quic-go/internal/protocol"
)
// A PathChallengeFrame is a PATH_CHALLENGE frame
type PathChallengeFrame struct {
Data [8]byte
}
func parsePathChallengeFrame(r *bytes.Reader, _ protocol.Version) (*PathChallengeFrame, error) {
frame := &PathChallengeFrame{}
if _, err := io.ReadFull(r, frame.Data[:]); err != nil {
if err == io.ErrUnexpectedEOF {
return nil, io.EOF
}
return nil, err
}
return frame, nil
}
func (f *PathChallengeFrame) Append(b []byte, _ protocol.Version) ([]byte, error) {
b = append(b, pathChallengeFrameType)
b = append(b, f.Data[:]...)
return b, nil
}
// Length of a written frame
func (f *PathChallengeFrame) Length(_ protocol.Version) protocol.ByteCount {
return 1 + 8
}