asyncMulticast.py 文件源码

def leave(self, multicast_addr):
        with self.lock:
            try:
                if multicast_addr in self.multicastSet:
                    self.setsockopt(socket.SOL_IP, socket.IP_DROP_MEMBERSHIP,
                                    socket.inet_aton(multicast_addr) + socket.inet_aton('0.0.0.0'))
                    self.multicastSet.discard(multicast_addr)
                    if self.callback_obj is not None:
                        self.callback_obj.on_leave(self, multicast_addr)
            except Exception as e:
                print e