tau_server.py

#!/usr/bin/python
"""

 Copyright (C) 2015 RJ Russell
 Created with the collaborative assistance of::
 Jacob Martin:
 Rachael Johnson:
 Andrew Wood:

 References: Daniel Zappala..BYU Python Tutorial.http://ilab.cs.byu.edu/python/
             Python Docs:........................https://www.python.org/

 tau_server.py

 This file is responsible for binding to a port and listening for incoming messages.
 The message is decrypted upon receipt and displayed to the terminal.
 To exit the server, press Control + C.

"""

import socket
import code_files.rc4

HOST = ''
PORT = ** SET PORT HERE **
BUFFERSIZE = 1024
BACKLOG = 5


class TauServer:
    def connect_server(self):
        """
            Sets up all the sockets and connection, decrypts and displays
            incoming messages. Exits with Control+C and displays appropriate
            exit message in the except block.
        """
        serv_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        serv_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        serv_socket.bind((HOST, PORT))
        serv_socket.listen(BACKLOG)

        print "Listening on port:", PORT
        print "(Press Control-C to Exit Server...)\n"
        while 1:
            try:
                client, address = serv_socket.accept()
            except KeyboardInterrupt:
                serv_socket.close()
                print "\nYou pressed Control-C..."
                print "\n\nDisconnected from Server.\n"
                exit(0)

            message = client.recv(BUFFERSIZE)
            if message:
                dec_mess = code_files.rc4.decrypt(message, key='password')
                print dec_mess, "  IP Address: {}".format(address[0])
                print "(Press Control-C to Exit Server...)\n"
               # client.send(dec_mess)



if __name__ == '__main__':
    server = TauServer()
    server.connect_server()