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31 lines
740 B
Python
Executable file
31 lines
740 B
Python
Executable file
#! /usr/bin/env python
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# Python implementation of an 'echo' tcp server: echo all data it receives.
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#
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# This is the simplest possible server, servicing a single request only.
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import sys
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from socket import *
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# The standard echo port isn't very useful, it requires root permissions!
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# ECHO_PORT = 7
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ECHO_PORT = 50000 + 7
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BUFSIZE = 1024
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def main():
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if len(sys.argv) > 1:
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port = int(eval(sys.argv[1]))
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else:
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port = ECHO_PORT
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s = socket(AF_INET, SOCK_STREAM)
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s.bind(('', port))
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s.listen(1)
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conn, (remotehost, remoteport) = s.accept()
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print('connected by', remotehost, remoteport)
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while 1:
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data = conn.recv(BUFSIZE)
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if not data:
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break
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conn.send(data)
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main()
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