webclient.py: The main file that contains the implementation of the web client.
webserver.py: The main file that contains the implementation of the web server.

udp_server.py: implementation of the UDP server. udp_client.py: implementation of the UDP client.

python3 webserver.py -p #port-number

python3 webclient.py --url http://your-server-ip:port-number

Run the following command to trace the packet on the loopback address, port 12345.

sudo tcpdump -i lo0 port 12345 -v

Run the following command to start server. 3490 is the port number.

python3 select_server.py 3490

Run the following command to start multiple clients.

alice bob and chris are the client names, localhost is the server address and 3490 is the port number.

python3 select_client.py alice localhost 3490
python3 select_client.py bob localhost 3490
python3 select_client.py chris localhost 3490