#ifndef LOG_H
#define LOG_H
  
#include <stdio.h>
#include <stdarg.h>  
#include <pthread.h>

#define LEVEL_DEBUG (char *)"[debug]"
#define LEVEL_INFO  (char *)"[info]"
#define LEVEL_WARN  (char *)"[warn]"
#define LEVEL_ERR   (char *)"[err]"

int  log_init(const char* file_name, int log_buf_size, int limit_size);
void log_write(const char *level, const char *format, ...);
  
#define LOG_DEBUG(format, ...)  log_write(LEVEL_DEBUG, format, ##__VA_ARGS__)
#define LOG_INFO(format, ...)   log_write(LEVEL_INFO, format, ##__VA_ARGS__)
#define LOG_WARN(format, ...)   log_write(LEVEL_WARN, format, ##__VA_ARGS__)
#define LOG_ERROR(format, ...)  log_write(LEVEL_ERR, format, ##__VA_ARGS__)
#endif