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#!/usr/bin/env python

# Python Network Programming Cookbook -- Chapter

# This program is optimized for Python 2.7. It may run on any

# other Python version with/without modifications.

import socket

SEND_BUF_SIZE = 4096

RECV_BUF_SIZE = 4096

def modify_buff_size():

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM )

# Get the size of the socket's send buffer

bufsize = sock.getsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF)

print "Buffer size [Before]:%d" %bufsize

sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)

sock.setsockopt(

socket.SOL_SOCKET,

socket.SO_SNDBUF,

SEND_BUF_SIZE)

sock.setsockopt(

socket.SOL_SOCKET,

socket.SO_RCVBUF,

RECV_BUF_SIZE)

bufsize = sock.getsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF)

print "Buffer size [After]:%d" %bufsize

if __name__ == '__main__':

modify_buff_size()