log.h

这是基于C语言开发的分布式搜索源代码

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <pthread.h>

#ifndef _LOG_H
#define _LOG_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef _TYPEDEF_LOG
#define _TYPEDEF_LOG
#define LOG_FILENAME_LIMIT  	1024
#define LOG_LINE_LIMIT  	8192
#define __DEBUG__		0
#define	__WARN__ 		1
#define	__ERROR__ 		2
#define	__FATAL__ 		3
static char *_log_level_s[] = {"DEBUG", "WARN", "ERROR", "FATAL"};
static char *ymonths[]= {
        "Jan", "Feb", "Mar",
        "Apr", "May", "Jun",
        "Jul", "Aug", "Sep",
        "Oct", "Nov", "Dec"};
typedef struct _LOG
{
	char file[LOG_FILENAME_LIMIT];
	int fd ;
	pthread_mutex_t mutex;	

	void (*add)(struct _LOG *, char *, int, const char *, int, char *format, ...);		
	void (*close)(struct _LOG * );
}LOG;
/* Initialize LOG */
LOG *log_init(char *logfile);
#endif

/* Add log */
void log_add(LOG *, char *, int, const char *, int, char *format,...);
/* Close log */
void log_close(LOG *);
#define DEBUG_LOG(log, format...)if(log){log->add(log, __FILE__, __LINE__, __func__, __DEBUG__,format);}
#define WARN_LOG(log, format...)if(log){log->add(log, __FILE__, __LINE__, __func__, __WARN__,format);}
#define ERROR_LOG(log, format...)if(log){log->add(log, __FILE__, __LINE__, __func__,  __ERROR__,format);}
#define FATAL_LOG(log, format...)if(log){log->add(log, __FILE__, __LINE__, __func__, __FATAL__,format);}

#ifdef __cplusplus
 }
#endif
#endif