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#!/usr/bin/env python
"""
A simple echo server.
Taken from http://docs.python.org/library/socket.html#example.
"""
import socket
HOST = 'localhost' # Symbolic name meaning local interfaces
PORT = 0 # Let the system give us a random free port
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
PORT = s.getsockname()[1]
print 'Listening on %s:%d' % (HOST, PORT)
s.listen(1)
conn, addr = s.accept()
print 'Connected by', addr
while 1:
data = conn.recv(1024)
if data:
print 'Received:', data
# Don't response to acks that are sent to us
if data != '+':
conn.send("+$#00")
else:
break
conn.close()
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