mihomo/component/ssr/protocol/packet.go
gVisor bot e41d0639ed Improve: refactor ssr and fix #995 (#1189)
Co-authored-by: goomada <madao@DESKTOP-IOEBS0C.localdomain>
2021-02-15 14:32:03 +08:00

38 lines
735 B
Go

package protocol
import (
"bytes"
"net"
"github.com/Dreamacro/clash/component/ssr/tools"
)
type PacketConn struct {
net.PacketConn
Protocol
}
func (c *PacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
buf := tools.BufPool.Get().(*bytes.Buffer)
defer tools.BufPool.Put(buf)
defer buf.Reset()
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
}