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/Demo/sockets/echosvr.py

http://unladen-swallow.googlecode.com/
Python | 31 lines | 21 code | 4 blank | 6 comment | 1 complexity | 225f1c84c2b40234d26ba133a0795d7f MD5 | raw file
 1#! /usr/bin/env python
 2
 3# Python implementation of an 'echo' tcp server: echo all data it receives.
 4#
 5# This is the simplest possible server, servicing a single request only.
 6
 7import sys
 8from socket import *
 9
10# The standard echo port isn't very useful, it requires root permissions!
11# ECHO_PORT = 7
12ECHO_PORT = 50000 + 7
13BUFSIZE = 1024
14
15def main():
16    if len(sys.argv) > 1:
17        port = int(eval(sys.argv[1]))
18    else:
19        port = ECHO_PORT
20    s = socket(AF_INET, SOCK_STREAM)
21    s.bind(('', port))
22    s.listen(1)
23    conn, (remotehost, remoteport) = s.accept()
24    print 'connected by', remotehost, remoteport
25    while 1:
26        data = conn.recv(BUFSIZE)
27        if not data:
28            break
29        conn.send(data)
30
31main()