socket_echo_server_explicit.py

#!/usr/bin/env python3
# encoding: utf-8
#
# Copyright (c) 2010 Doug Hellmann.  All rights reserved.
#
"""Server half of echo example.
"""

#end_pymotw_header
import socket
import sys

# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Bind the socket to the address given on the command line
server_name = sys.argv[1]
server_address = (server_name, 10000)
print('starting up on {} port {}'.format(*server_address))
sock.bind(server_address)
sock.listen(1)

while True:
    print('waiting for a connection')
    connection, client_address = sock.accept()
    try:
        print('client connected:', client_address)
        while True:
            data = connection.recv(16)
            print('received {!r}'.format(data))
            if data:
                connection.sendall(data)
            else:
                break
    finally:
        connection.close()