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package wire
import (
"github.com/quic-go/quic-go/internal/protocol"
"github.com/quic-go/quic-go/quicvarint"
)
// A RetireConnectionIDFrame is a RETIRE_CONNECTION_ID frame
type RetireConnectionIDFrame struct {
SequenceNumber uint64
}
func parseRetireConnectionIDFrame(b []byte, _ protocol.Version) (*RetireConnectionIDFrame, int, error) {
seq, l, err := quicvarint.Parse(b)
if err != nil {
return nil, 0, replaceUnexpectedEOF(err)
}
return &RetireConnectionIDFrame{SequenceNumber: seq}, l, nil
}
func (f *RetireConnectionIDFrame) Append(b []byte, _ protocol.Version) ([]byte, error) {
b = append(b, byte(FrameTypeRetireConnectionID))
b = quicvarint.Append(b, f.SequenceNumber)
return b, nil
}
// Length of a written frame
func (f *RetireConnectionIDFrame) Length(protocol.Version) protocol.ByteCount {
return 1 + protocol.ByteCount(quicvarint.Len(f.SequenceNumber))
}
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