bug fix when authenticating and validating login in the server

import logging.handlers

import signal

import threading

import socket

from time import sleep

from math import exp

DEFAULT_PID_FILE = '/var/run/cc-node.pid'

DEFAULT_CONFIGURATION = {

    'address': None,

    'login': '$HOSTNAME',

    'login': None,

    'password': None,

    'port': 1984,

    'verbosity': 0,

    def authentication():

        timeout = 1

        login = options['login'].replace('$HOSTNAME', socket.gethostname())

        while node.manager.is_running():

            try:

                node.authentify(login, options['password'])

            except RpcError as error:

                logging.critical('Authentication error: %s' % error)

                sleep(2)

            result = node.authentify(options['login'], options['password'])

            if result:

                logging.info('Authentication suscessfull.')

                return

            else:

                timeout += 0.1

                print exp(timeout)

                sleep(exp(timeout))

                logging.info('Authenticated to server')

                break

    def shutdown_handler(signum, frame):

        '''