0
0
mirror of https://github.com/python/cpython.git synced 2024-11-28 16:45:42 +01:00
cpython/Demo/sockets/echosvr.py
Guido van Rossum c99a4f900d Change of names
1992-05-19 13:51:32 +00:00

32 lines
671 B
Python
Executable File

#! /usr/local/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()