#include <utils/make_unique.hpp> #include <logger/logger.hpp> #include <config/config.hpp> Logger::Logger(const int log_level): log_level(log_level), stream(std::cout.rdbuf()) { } Logger::Logger(const int log_level, const std::string& log_file): log_level(log_level), ofstream(log_file.data(), std::ios_base::app), stream(ofstream.rdbuf()) { } std::unique_ptr<Logger>& Logger::instance() { static std::unique_ptr<Logger> instance; if (!instance) { const std::string log_file = Config::get("log_file", ""); const int log_level = Config::get_int("log_level", 0); if (log_file.empty()) instance = std::make_unique<Logger>(log_level); else instance = std::make_unique<Logger>(log_level, log_file); } return instance; } std::ostream& Logger::get_stream(const int lvl) { if (lvl >= this->log_level) return this->stream; return this->null_stream; }