79 lines
1.6 KiB
C++
79 lines
1.6 KiB
C++
#ifndef _H_LOGGER_H
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#define _H_LOGGER_H
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#include <mutex>
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#include <chrono>
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#include <iostream>
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#include <sstream>
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#define LOG(lvl, msg, ...) Logger::getInstance()->log(lvl, msg, __VA_ARGS__)
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#define ERROR_LOG(msg, ...) {Logger::getInstance()->log(ERROR, msg, __VA_ARGS__); return false;}
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#define LOG_LEVEL(lvl) Logger::getInstance()->setLevel(lvl)
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enum LogLevel {DEBUG, INFO, WARN, ERROR};
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class Logger
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{
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public:
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static Logger* getInstance();
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template <typename... Args>
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void log(LogLevel level, const std::string& message, Args... args) const
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{
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if (level >= currentLogLevel)
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{
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std::lock_guard<std::mutex> lock(mutex);
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auto msg = formatString(message, args...);
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std::cout
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<< "["
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<< logTag(level)
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<< "] "
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<< "["
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<< std::format("{:%m-%d-%Y %X}", std::chrono::current_zone()->to_local(std::chrono::system_clock::now()))
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<< "] "
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<< msg
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<< std::endl;
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}
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}
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void setLevel(LogLevel level) { currentLogLevel = level; }
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Logger(const Logger& l) = delete;
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void operator=(const Logger& l) = delete;
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protected:
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Logger()
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{
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};
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~Logger() { };
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LogLevel currentLogLevel = INFO;
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template <typename... Args>
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std::string formatString(const std::string& str, Args... args) const
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{
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return std::vformat(str, std::make_format_args(args...));
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}
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inline const std::string logTag(LogLevel lvl) const
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{
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switch (lvl)
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{
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case DEBUG:
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return "DEBUG";
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case INFO:
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return "INFO";
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case WARN:
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return "WARN";
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case ERROR:
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return "ERROR";
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}
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return "INFO";
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};
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private:
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static Logger* instance;
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static std::mutex mutex;
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};
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#endif
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