SocketShare Project

Project Objective

Implement a file transfer application with at least 3 clients and a server using both the TCP and UDP protocols where the overall system offers at least 10 unique files. The program has two modes of operation: the server and the client. The server instance is used to keep track of all the clients in the network along with their IP addresses and the files they are sharing. This information is pushed to clients, and the client instances use this to communicate directly with each other to initiate file transfers. All server-client communication is done over UDP, whereas clients communicate with each other over TCP.

Functionalities

• Registration
• File Offering
• File Listing
• File Transfer
• De-registration

Libraries

import sys
import socket
import threading
from threading import Thread
import time
from typing import Dict, List, Tuple, Union
import signal
import ipaddress
import argparse
import os

Command-Line Instructions:

Server Side

python main.py -s 5000
(RUN THE SERVER FIRST)

Client Side

Registration

• Client1 (Dave): python main.py -c Dave 127.0.0.1 5000 5008 5009
• Client2 (Alice): python main.py -c Alice 127.0.0.1 5000 5004 5005
• Client3 (Bob): python main.py -c Bob 127.0.0.1 5000 5002 5003

File Offering

• Set Directory: setdir /Users/weiyaoli/Desktop/ownerDirectory (CREATE YOUR OWN TEST OWNER DIRECTORY)
• Offer Files (single/multiple): offer file1.py file2.pdf file3.pdf (CREATE YOUR OWN TEST FILES LOCALLY FOR 3)

File Listing

• View Files: list

File Transfer

• Set Receiving Directory: set /Users/weiyaoli/Desktop/receiverDirectory (example: request file1.pdf Dave)
• Request File from Owner: request <filename> <file owner> (example: request file1.pdf Dave)

De-registration

• Active Client Book-Keeping: dereg