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# ----------------------------------------------------------------------------------------------------------------------
# Phase 1 Project, UDPClient.py
# Written by Richard Douglas and Mounika Gannu
# for 16.483/583.201 - Network Design: Principles, Protocols, and Applications at UMass Lowell
# February 6, 2015
#
# Credits to "Computer Networking, A Top Down Approach, 6th Ed." by Kurose and Ross for Python 2 code in Chapter 2,
# as well as to Jeremy Plante for finding compatibility issues between Python 2 and Python 3 code.
# ----------------------------------------------------------------------------------------------------------------------

from socket import *  # this line allows the creation of sockets
import sys

serverName = 'localhost'
serverPort = 12000  # communication will be on port 12000
clientSocket = socket(AF_INET, SOCK_DGRAM)
buffer = 2048

print "Enter filename of image to send (Example: ImageTest.png) \n\n"
filename = raw_input()
fileOut = open(filename, 'rb')
fileIn = open("Server" + filename, 'wb')
        
while(1):
    data = fileOut(buffer)
    if not data:  # if data in this variable is empty, aka if 0 data
        print "Finished sending file."
        break  # break out of infinite loop
    #*clientSocket1.sendall(data)
	clientSocket.sendto(data, (serverName, serverPort))

while(1):   
    modifiedData, serverAddress = clientSocket.recvfrom(2048)
    if not modifiedData:
        print "Finished receiving file."
        break
    fileIn = modifiedData(buffer)
    
clientSocket.close()

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