Xray-core/transport/internet/headers/srtp/srtp.go

38 lines
684 B
Go
Raw Normal View History

2020-11-25 11:01:53 +00:00
package srtp
import (
"context"
"encoding/binary"
2020-12-04 01:36:16 +00:00
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/dice"
2020-11-25 11:01:53 +00:00
)
type SRTP struct {
header uint16
number uint16
}
func (*SRTP) Size() int32 {
return 4
}
// Serialize implements PacketHeader.
func (s *SRTP) Serialize(b []byte) {
s.number++
binary.BigEndian.PutUint16(b, s.header)
binary.BigEndian.PutUint16(b[2:], s.number)
}
// New returns a new SRTP instance based on the given config.
func New(ctx context.Context, config interface{}) (interface{}, error) {
return &SRTP{
header: 0xB5E8,
number: dice.RollUint16(),
}, nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), New))
}