#!/usr/bin/env python 

import select 
import socket 
import sys 

host = ''    #Address of this machine
port = 50000 #TCP port to listen on
size = 4096  #Maximum size of
backlog = 30
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #Creating an IPv4, TCP socket 
server.bind((host,port)) #Bind the socket to this host and port 
server.listen(backlog)   #Can listen to upto 30 connections
input = [server]         #List of inputs to run 'select' on
while 1: 
    inputready,outputready,exceptready = select.select(input,[],[]) #Block until input is ready on any socket
    for s in inputready: 
        if s == server: 
            # handle the server socket 
            client, address = server.accept() #Accept the client connection
            print "<Connection accepted from " + str(address) + ">"
            input.append(client) #Add the client socket to the input sockets list 

        else: 
            try:
	            # handle all other sockets 
              data = s.recv(size) 
              if data: 
                  print "Client " + str(input.index(s)) + ": " + data
            except:
              print "Oops, Client %s had an exception!" % str(input.index(s))
server.close()