logger.hpp

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#ifndef LOGGER_HPP
#define LOGGER_HPP
 
#include <sys/stat.h>
#include <unistd.h>
 
#include <cerrno>
#include <chrono>
#include <ctime>
#include <filesystem>
#include <fstream>
#include <iomanip>
#include <mutex>
#include <string>
 
#include "../../thread/thread_safe_iostream/thread_safe_iostream.hpp"
 
enum class LogLevel
{
    DEBUG   = 0,
    INFO    = 1,
    WARNING = 2,
    ERROR   = 3
};
 
class Logger
{
private:
    LogLevel    _currentLevel = LogLevel::DEBUG;
    std::string _logFilename;
    std::string _outputFilePath;
 
    std::mutex         _fileMutex;
    ThreadSafeIOStream _writer;
    std::ofstream      _logFile;
 
    std::string getCurrentTime() const;
    std::string logLevelToString(LogLevel level) const;
 
public:
    Logger();
    Logger(const std::string& outputfile, LogLevel level = LogLevel::DEBUG);
    ~Logger();
 
    static Logger& instance();
 
    void setLogLevel(LogLevel level);
    void setOutputFile(const std::string& filename);
 
    const std::string getOutputPathFile() const;
 
    void log(LogLevel level, const std::string& message);
    void logConsole(LogLevel level, const std::string& message);
};
 
#endif