Logger

Description

The Logger is a C++ class for managing and logging messages with different priority levels. It supports multithreading by using std::mutex to prevent race conditions during writing.

Features

• Priority filtering: Allows setting a minimum priority to display only relevant messages.
• ANSI colors: Messages are printed in different colors for better readability.
• Variadic template support: Enables logging multiple arguments in a single log entry.
• Thread-safe: Uses std::mutex to ensure safety in multithreaded environments.

Priority Levels

The logger supports the following priority levels:

Level	ANSI Code	Description
TRACE	\033[1;36m	Detailed messages for deep debugging
DEBUG	\033[0;35m	Useful debugging information
INFO	\033[0;32m	General program state information
WARNING	\033[0;33m	Warnings that may indicate a problem
ERROR	\033[0;31m	Errors that do not stop execution but need attention
FATAL	\033[1;31m	Critical errors that may cause program termination

Usage

Initialization

Since the logger uses static members, there is no need to instantiate it:

#include "logger.hpp"

int main() {
    // Set the minimum log level to WARNING
    Logger::setLowerBoundPriority(warningPriority);
    
    Logger::trace("This message will not be printed");
    Logger::debug("This message will not be printed");
    Logger::info("This message will not be printed");
    Logger::warning("Warning!", 42);
    Logger::error("Error detected", "Code", 500);
    Logger::fatal("Fatal error!");

    return 0;
}