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IPC Publish-Subscribe 💬

Also available in: Polski

About

The "IPC Publish-Subscribe" project allows logged-in users of the system to communicate with each other by transmitting their broadcast messages based on types to which they previously subscribed. A server is responsible for proper operation of the system and all activities pass through it.

Client functionality

  1. Login to the system
  2. Display the menu
  3. Display available messages types to subscribe
  4. Register to the broadcast system
  5. Register a message type
  6. Broadcast new message
  7. Receive a message synchronously
  8. Receive a message asynchronously
  9. Block a user
  10. Logout from the system

The server

Additionally created server lists all the infomation about the actions it takes and their effects, which was helpful and convenient while writing and testing the program. A time limitation of its operation has been also implemented, which means that the server will operate for a maximum number of seconds (after the last client logs out of the system) as the value of SERVER_STANDBY_TIME, which can be freely configured and is set to 10 seconds by default.

Compilation

Unix:

gcc -Wall server.c -o server
gcc -Wall client.c -o client

Running

To run the whole program, we should start with the server:

./server

Then, in each new console window, we have the option to run the client program:

./client