Chatroom [Server]

#This is just an example not prepared to warn other clients when one leave the chatroom and not even when it's empty
#just connect and talk. It's for an article at my wordpress.
#Check the complete aticle at http://obernardovieira.byethost18.com
#client side here http://pastebin.com/SXnqHTyU

# Echo server program
import socket
from threading import Thread

all_conns = []

def sendToAll(data):
    for conn in all_conns:
        conn.sendall(data)

def talkToClient(conn, addr):
    print 'Connected by', addr
    while 1:
        data = conn.recv(1024)
        if not data: break
        sendToAll(data);
    conn.close()

HOST = 'localhost'        # Symbolic name meaning all available interfaces
PORT = 50007              # Arbitrary non-privileged port
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen(1)

while 1:
    conn, addr = s.accept()
    all_conns.append(conn)
    Thread(target=talkToClient, args=(conn,addr,)).start()