mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-14 07:58:16 -04:00
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package wire
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/protocol"
|
|
"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/utils"
|
|
)
|
|
|
|
// A ResetStreamFrame is a RESET_STREAM frame in QUIC
|
|
type ResetStreamFrame struct {
|
|
StreamID protocol.StreamID
|
|
ErrorCode protocol.ApplicationErrorCode
|
|
ByteOffset protocol.ByteCount
|
|
}
|
|
|
|
func parseResetStreamFrame(r *bytes.Reader, version protocol.VersionNumber) (*ResetStreamFrame, error) {
|
|
if _, err := r.ReadByte(); err != nil { // read the TypeByte
|
|
return nil, err
|
|
}
|
|
|
|
var streamID protocol.StreamID
|
|
var errorCode uint16
|
|
var byteOffset protocol.ByteCount
|
|
sid, err := utils.ReadVarInt(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
streamID = protocol.StreamID(sid)
|
|
errorCode, err = utils.BigEndian.ReadUint16(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
bo, err := utils.ReadVarInt(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
byteOffset = protocol.ByteCount(bo)
|
|
|
|
return &ResetStreamFrame{
|
|
StreamID: streamID,
|
|
ErrorCode: protocol.ApplicationErrorCode(errorCode),
|
|
ByteOffset: byteOffset,
|
|
}, nil
|
|
}
|
|
|
|
func (f *ResetStreamFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
|
|
b.WriteByte(0x4)
|
|
utils.WriteVarInt(b, uint64(f.StreamID))
|
|
utils.BigEndian.WriteUint16(b, uint16(f.ErrorCode))
|
|
utils.WriteVarInt(b, uint64(f.ByteOffset))
|
|
return nil
|
|
}
|
|
|
|
// Length of a written frame
|
|
func (f *ResetStreamFrame) Length(version protocol.VersionNumber) protocol.ByteCount {
|
|
return 1 + utils.VarIntLen(uint64(f.StreamID)) + 2 + utils.VarIntLen(uint64(f.ByteOffset))
|
|
}
|