README

Chat Program

Overview

This program is a simple chat application that allows users to connect with each other over TCP/IP connections. It provides a user-friendly command-line interface for managing connections and exchanging messages.

Running the Program

To run the program, execute the following command in the terminal:

./chat <port_number>

Replace <port_number> with the port on which you want the program to listen for incoming connections.

Functionality

Upon launching, the program acts as a UNIX shell and provides the following command options:

1. help: Display information about the available user interface options or command manual.

2. myip: Display the IP address of this process.

3. myport: Display the port on which this process is listening for incoming connections.

4. connect <destination> <port_no>: Establish a new TCP connection to the specified destination at the specified port.

5. list: Display a numbered list of all the connections this process is part of.

6. terminate <connection_id>: Terminate the connection with connection id from connection list.

7. send <connection_id> <message>: Send a message to the connection with connection id from connection list.

8. exit: Close all connections and terminate this process.