twisted实现udp广播聊天

来源：互联网发布：图书借阅软件编辑：程序博客网时间：2024/04/25 17:10

刚翻看twisted udp，看到udp广播那块，就想用这个做局域网聊天很简单得，然后查了下twisted 线程怎么弄，掺和在一起，没想到能运行， nice

from twisted.internet.protocol import DatagramProtocolfrom twisted.internet import reactorimport osclass MulticastPingPong(DatagramProtocol):    def startProtocol(self):        self.transport.setTTL(5)        self.transport.joinGroup("228.0.0.5")    def datagramReceived(self, datagram, address):        print "%s"%repr(datagram)def talk():    import socket    pid = os.getpid()    while True:        data = raw_input()        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)        sock.sendto("%s say:%s"%(pid, data), ("228.0.0.5", 8005))reactor.listenMulticast(8005, MulticastPingPong(), listenMultiple=True)reactor.callInThread(talk)reactor.run()