44 lines
947 B
C++
44 lines
947 B
C++
// logger.hpp
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#pragma once
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <ctime>
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#include <chrono>
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#include <iomanip>
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#include <sstream>
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enum class LogLevel
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{
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INFO,
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WARN,
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ERROR
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};
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class Logger
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{
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public:
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static void set_log_to_file(const std::string &filename);
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static void log(LogLevel level, const std::string &msg);
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static std::string get_current_time_utc8();
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private:
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static std::ofstream log_file;
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static std::string current_log_filename;
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static std::string get_time_string();
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static void rotate_logs();
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static size_t get_file_size(const std::string &filename);
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static constexpr size_t MAX_LOG_FILE_SIZE = 10 * 1024 * 1024; // 10MB
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static constexpr int MAX_LOG_BACKUP_COUNT = 5;
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};
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// 简化宏
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#define LOG_INFO(msg) Logger::log(LogLevel::INFO, msg)
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#define LOG_WARN(msg) Logger::log(LogLevel::WARN, msg)
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#define LOG_ERROR(msg) Logger::log(LogLevel::ERROR, msg)
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