mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-26 01:35:39 +08:00
37 lines
677 B
Go
37 lines
677 B
Go
package protocol
|
|
|
|
import (
|
|
"net"
|
|
|
|
"github.com/Dreamacro/clash/common/pool"
|
|
)
|
|
|
|
type PacketConn struct {
|
|
net.PacketConn
|
|
Protocol
|
|
}
|
|
|
|
func (c *PacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
|
|
buf := pool.GetBuffer()
|
|
defer pool.PutBuffer(buf)
|
|
err := c.EncodePacket(buf, b)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
_, err = c.PacketConn.WriteTo(buf.Bytes(), addr)
|
|
return len(b), err
|
|
}
|
|
|
|
func (c *PacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
|
|
n, addr, err := c.PacketConn.ReadFrom(b)
|
|
if err != nil {
|
|
return n, addr, err
|
|
}
|
|
decoded, err := c.DecodePacket(b[:n])
|
|
if err != nil {
|
|
return n, addr, err
|
|
}
|
|
copy(b, decoded)
|
|
return len(decoded), addr, nil
|
|
}
|