main.py

__author__ = 'Roshan '

import socket
import sys

import makePacket
import Sender
import time

if __name__ == '__main__':

    if len(sys.argv) < 3:
        print("\nUsage: \n\tpython main.py <error rate> <window size> ")
        print("\terror rate  -- the percentage error rate this is from 0% to 100%")
        print("\twindow size -- the size of the sliding window (this must be same in both sender and receiver)")
        exit()
    else:
        try:
            WINDOW_SIZE = int(sys.argv[2])
            ERR_RATE = int(sys.argv[1])
        except ValueError:
            print("Arguments must be ints ")
            exit()

    try:
        f = open("myfile.txt")
        result = open("result.txt", "a")
    except IOError:
        print("File Opening Error\nExiting...")
        exit(-1)

    sender = Sender.Sender("127.0.0.1", 5000, WINDOW_SIZE)
    data_from_file = f.read()
    print("Sending {} bytes of data ".format(len(data_from_file)))
    time_1 = time.clock()
    sender.send(bytes(data_from_file, 'utf-8'))
    time_2 = time.clock()
    print("\n\n====================================================================")
    print("TIME spent: ", time_2 - time_1)
    print("====================================================================\n")
    sender.close()

    time_diff = (time_2 - time_1)
    mesurements = "window_size: {}, error_rate: {}, time_spent: {}, speed: {}\n".format(WINDOW_SIZE, ERR_RATE, time_diff, len(data_from_file)/time_diff)
    result.write(mesurements)
    result.close()