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Linkedin 42

About • How to use • Mandatory • Bonus • Norminette • Contributing • License

ABOUT

This is a server/client system that uses UNIX signals for communication. The server displays its PID and receives decrypted signals as characters, while the client encrypts messages and sends true/false signals using SIGUSR1 or SIGUSR2 to the server's PID.

HOW TO USE

1º - Clone the repository

git clone https://github.com/jotavare/minitalk

2º - Enter the project folder and run make

cd minitalk/minitalk
make

3º - Run server or server_bonus and copy its PID

./server
./server_bonus

4º - Open another terminal, run client or client_bonus, paste the PID and write a message

./client [SERVER PID] [MESSAGE]
./client_bonus [SERVER PID] [MESSAGE] [EMOTE]

MAKEFILE RULES

make - Compile minitalk mandatory files.

make bonus - Compile minitalk bonus files.

make all - Compile mandatory + bonus files.

make clean - Delete all .o (object files) files.

make fclean - Delete all .o (object files) and .a (executable) files.

make re - Use rules fclean + all.

MANDATORY

  • Produce server and client executables.
  • The Client must communicate a string passed as a parameter to the server (referenced by its process ID) and display it.
  • Use SIGUSR1 and SIGUSR2 signals only.

BONUS

  • Add reception acknowledgement system.
  • Support Unicode characters.

NORMINETTE

At 42 School, it is expected that almost every project is written following the Norm, which is the coding standard of the school.

- No for, do...while, switch, case, goto, ternary operators, or variable-length arrays allowed;
- Each function must be a maximum of 25 lines, not counting the function's curly brackets;
- Each line must be at most 80 columns wide, with comments included;
- A function can take 4 named parameters maximum;
- No assigns and declarations in the same line (unless static);
- You can't declare more than 5 variables per function;
- ...
  • 42 Norms - Information about 42 code norms. PDF
  • Norminette - Tool to respect the code norm, made by 42. GitHub
  • 42 Header - 42 header for Vim. GitHub

CONTRIBUTING

If you find any issues or have suggestions for improvements, feel free to fork the repository and open an issue or submit a pull request.

LICENSE

This project is available under the MIT License. For further details, please refer to the LICENSE file.