| #!/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() |