python实现的一个简单的udp echo server
import socket, traceback host = '' port = 51423 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) s.bind((host, port)) while 1: try: message, address = s.recvfrom(8192) print "Got data from", address s.sendto(message, address) except (KeyboardInterrupt, SystemExit): raise except: traceback.print_exc()