clash/common/net/bind.go
2022-12-19 21:34:07 +08:00

36 lines
725 B
Go

package net
import "net"
type bindPacketConn struct {
net.PacketConn
rAddr net.Addr
}
func (wpc *bindPacketConn) Read(b []byte) (n int, err error) {
n, _, err = wpc.PacketConn.ReadFrom(b)
return n, err
}
func (wpc *bindPacketConn) Write(b []byte) (n int, err error) {
return wpc.PacketConn.WriteTo(b, wpc.rAddr)
}
func (wpc *bindPacketConn) RemoteAddr() net.Addr {
return wpc.rAddr
}
func (wpc *bindPacketConn) LocalAddr() net.Addr {
if wpc.PacketConn.LocalAddr() == nil {
return &net.UDPAddr{IP: net.IPv4zero, Port: 0}
} else {
return wpc.PacketConn.LocalAddr()
}
}
func NewBindPacketConn(pc net.PacketConn, rAddr net.Addr) net.Conn {
return &bindPacketConn{
PacketConn: pc,
rAddr: rAddr,
}
}