codebase/source/logger.hpp

#ifndef __LOGGER_HPP__
#define __LOGGER_HPP__
#include <cstdio>
#include <time.h>

/*日志等级*/    
enum  {
    NORMAL, 
    DEBUG, 
    ERROR,
    FATAL
};

/*将日志等级转化为字符串*/
const char* level_to_stirng(int level) {
    switch (level)
    {
    case NORMAL:
        return "NORMAL";
    case DEBUG:
        return "DEBUG";
    case ERROR:
        return "ERROR";
    case FATAL:
        return "FATAL";
    default:
        return nullptr;
    }
}

#define LOG(level, format, ...) do {\
    const char* levelstr = level_to_stirng(level); /*日志等级*/\
    time_t ts = time(NULL);  /*时间戳*/\  
    struct tm *lt = localtime(&ts);  /*格式化时间*/\ 
    char buffer[32] = { 0 };\
    strftime(buffer, sizeof(buffer) - 1, "%y-%m-%d %H:%M:%S", lt);  /*格式化时间到字符串*/\
    fprintf(stdout, "[%s][%s][%s:%d] " format "\n", levelstr, buffer, __FILE__, __LINE__, ##__VA_ARGS__); /*##解除必须传递可变参数的限制*/\
} while(0)

#endif