Python实现广播数据
BoardCastSer.Py: #!/usr/bin/python # -*- coding: utf-8 -*- import socket,traceback host = '' port = 12345 s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM) s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1) s.setsockopt(socket.SOL_SOCKET,socket.SO_BROADCAST,1) s.bind((host,port)) print "Listen on the port 12345......" while True: try: sock,addr = s.recvfrom(8192) print "Receive data from:",addr s.sendto("I'm here BOSS!",addr) except (KeyboardInterrupt,SystemExit): raise except: traceback.print_exc() BoardCastCli.Py: #!/usr/bin/python # -*- coding: utf-8 -*- import socket,sys desc = ('<broadcast>',12345) s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM) s.setsockopt(socket.SOL_SOCKET,socket.SO_BROADCAST,1) s.sendto("Hello",desc) print "Looking for replies........" while True: sock,addr = s.recvfrom(2048) if not len(sock): break print "Received from %s:%s"%(sock,addr)
