基本UDP客戶端

#!/usr/bin/env python

# UDP Example - Chapter 2

import socket, sys, time

host = sys.argv[1]

textport = sys.argv[2]

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

try:

??? port = int(textport)

except ValueError:

??? # That didn't work.? Look it up instread.

??? port = socket.getservbyname(textport, 'udp')

s.connect((host, port))

print "Enter data to transmit: "

data = sys.stdin.readline().strip()

s.sendall(data)

s.shutdown(1)

print "Looking for replies; press Ctrl-C or Ctrl-Break to stop."

while 1:

??? buf = s.recv(2048)

??? if not len(buf):

??????? break

??? print "Received: %s" % buf

本文來(lái)自CSDN博客，轉(zhuǎn)載請(qǐng)標(biāo)明出處：http://blog.csdn.net/djcsch2001/archive/2008/09/17/2944101.aspx

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