mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-30 22:34:15 -05:00
45 lines
1 KiB
Go
45 lines
1 KiB
Go
package wire
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/lucas-clemente/quic-go/internal/protocol"
|
|
"github.com/lucas-clemente/quic-go/internal/utils"
|
|
)
|
|
|
|
// A BlockedFrame is a BLOCKED frame
|
|
type BlockedFrame struct {
|
|
Offset protocol.ByteCount
|
|
}
|
|
|
|
// parseBlockedFrame parses a BLOCKED frame
|
|
func parseBlockedFrame(r *bytes.Reader, _ protocol.VersionNumber) (*BlockedFrame, error) {
|
|
if _, err := r.ReadByte(); err != nil {
|
|
return nil, err
|
|
}
|
|
offset, err := utils.ReadVarInt(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &BlockedFrame{
|
|
Offset: protocol.ByteCount(offset),
|
|
}, nil
|
|
}
|
|
|
|
func (f *BlockedFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
|
|
if !version.UsesIETFFrameFormat() {
|
|
return (&blockedFrameLegacy{}).Write(b, version)
|
|
}
|
|
typeByte := uint8(0x08)
|
|
b.WriteByte(typeByte)
|
|
utils.WriteVarInt(b, uint64(f.Offset))
|
|
return nil
|
|
}
|
|
|
|
// Length of a written frame
|
|
func (f *BlockedFrame) Length(version protocol.VersionNumber) protocol.ByteCount {
|
|
if !version.UsesIETFFrameFormat() {
|
|
return 1 + 4
|
|
}
|
|
return 1 + utils.VarIntLen(uint64(f.Offset))
|
|
}
|