mirror of https://github.com/python/cpython
32 lines
675 B
Python
Executable File
32 lines
675 B
Python
Executable File
#! /usr/local/bin/python
|
|
|
|
# Python implementation of an 'echo' tcp server: echo all data it receives.
|
|
#
|
|
# This is the simplest possible server, sevicing a single request only.
|
|
|
|
import sys
|
|
from socket import *
|
|
|
|
# The standard echo port isn't very useful, it requires root permissions!
|
|
# ECHO_PORT = 7
|
|
ECHO_PORT = 50000 + 7
|
|
BUFSIZE = 1024
|
|
|
|
def main():
|
|
if len(sys.argv) > 1:
|
|
port = int(eval(sys.argv[1]))
|
|
else:
|
|
port = ECHO_PORT
|
|
s = socket(AF_INET, SOCK_STREAM)
|
|
s.bind('', port)
|
|
s.listen(0)
|
|
conn, (remotehost, remoteport) = s.accept()
|
|
print 'connected by', remotehost, remoteport
|
|
while 1:
|
|
data = conn.recv(BUFSIZE)
|
|
if not data:
|
|
break
|
|
conn.send(data)
|
|
|
|
main()
|