Python Network Programming

How to do it...

We use a test_socketpair() function to wrap a few lines that test the socket's socketpair() function.

List 3.8 shows an example of socketpair, as follows:

#!/usr/bin/env python # Python Network Programming Cookbook, Second Edition -- Chapter - 3 # This program is optimized for Python 3.5.2. # It may run on any other version with/without modifications. # To make it run on Python 2.7.x, needs some changes due to API differences. # Follow the comments inline to make the program work with Python 2. import socket import os BUFSIZE = 1024 def test_socketpair(): """ Test Unix socketpair""" parent, child = socket.socketpair() pid = os.fork() try: if pid: print ("@Parent, sending message...") child.close() parent.sendall(bytes("Hello ...