'''
Created on Dec 27, 2014

@author: justin
'''

import threading
import time
import select

import socket

def serverSocket(port,backlog = 5):
    """
    creates a listening socket for the server
    port = port number to listen to
    backlog = number of backlog sockets
    
    """
    serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    serversocket.bind((socket.gethostname(), port))
    serversocket.listen(backlog)
    
    return serversocket

def clientSocket(address, port):
    """
    address = creates a client socket to connect to some server
    port = port number to connect to
    """
    clientsocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    clientsocket.connect((address, port))
    
    return clientsocket

def server():

    serverSock = serverSocket(12000)
    sock, address = serverSock.accept()
    

    for x in range(5):
        r,w,e = select.select([sock],[],[])
        sock=r[0]
        print "server:", sock.recv(1024)

    serverSock.close()
def client():
    
    sock = clientSocket(socket.gethostname(), 12000)
    for x in range(5):
        print "client sending: test"
        
        sock.send("test")
        time.sleep(0.5)
        
    sock.close()


if __name__ == "__main__":
    
    print "starting server thread"
    serverThread = threading.Thread(target = server)
    serverThread.start()

    time.sleep(0.1)
    
    print "starting client thread"
    clientThread = threading.Thread(target = client)
    clientThread.start()