transparent.py 文件源码

def _linux_get_dest_addr(self):  # pragma: no cover
        src_stream = self.context.src_stream
        sock_opt = src_stream.socket.getsockopt(socket.SOL_IP,
                                                self.SO_ORIGINAL_DST,
                                                16)
        _, port, a1, a2, a3, a4 = struct.unpack("!HHBBBBxxxxxxxx", sock_opt)
        address = "%d.%d.%d.%d" % (a1, a2, a3, a4)
        return (address, port)