/********************************************************************************
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* Copyright: (C) 2012 Guo Wenxue <guowenxue@gmail.com>
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* All rights reserved.
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*
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* Filename: logger.h
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* Description: This file is the linux infrastructural logger system library
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*
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* Version: 1.0.0(08/08/2012~)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "08/08/2012 05:16:56 PM"
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*
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********************************************************************************/
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#ifndef _LOGGER_H_
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#define _LOGGER_H_
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <signal.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#define LOG_VERSION_STR "1.0.0"
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#ifndef FILENAME_LEN
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#define FILENAME_LEN 64
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#endif
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#define DBG_LOG_FILE "stderr" /* Debug mode log file is console */
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#define LOG_ROLLBACK_SIZE 512 /* Default rollback log size */
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#define LOG_ROLLBACK_NONE 0 /* Set rollback size to 0 will not rollback */
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#define DEFAULT_TIME_FORMAT "%Y-%m-%d %H:%M:%S"
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#define MAX_LOG_MESSAGE_LEN 0x1000
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//#define DUMPLICATE_OUTPUT /* Log to file and printf on console */
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enum
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{
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LOG_LEVEL_DISB = 0, /* Disable "Debug" */
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LOG_LEVEL_FATAL, /* Debug Level "Fatal" */
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LOG_LEVEL_ERROR, /* Debug Level "ERROR" */
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LOG_LEVEL_WARN, /* Debug Level "warnning" */
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LOG_LEVEL_NRML, /* Debug Level "Normal" */
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LOG_LEVEL_DEBUG, /* Debug Level "Debug" */
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LOG_LEVEL_INFO, /* Debug Level "Information" */
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LOG_LEVEL_TRACE, /* Debug Level "Trace" */
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LOG_LEVEL_MAX,
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};
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/* logger->flag definition */
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#define FLAG_LOGGER_LEVEL_OPT 1<<0 /* The log level is sepcified by the command option */
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#define FLAG_LOGGER_CONSOLE 1<<1
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#define FLAG_LOGGER_FILE 0<<1
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typedef struct logger_s
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{
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unsigned char flag;
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char file[FILENAME_LEN];
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int level;
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int size;
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FILE *fp;
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} logger_t;
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extern char *log_str[];
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/* log_size unit is KB */
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extern int logger_init(logger_t *logger, char *filename, int level, int log_size);
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extern int logger_open(void);
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extern void logger_set_time_format(char *time_format);
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extern int logger_reopen(void);
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extern void logger_close(void);
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extern void logger_term(void);
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extern void logger_raw(const char *fmt, ...);
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extern void logger_min(int level, char *fmt, ...);
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extern void logger_line(int level, char *file, int line, char *fmt, ...);
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extern void logger_str(int level, const char *msg);
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extern void logger_dump(int level, char *buf, int len);
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#define LOG_FILE_LINE /* Log the file and line */
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#ifdef LOG_FILE_LINE
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#define log_trace(fmt, ...) logger_line(LOG_LEVEL_TRACE, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#define log_info(fmt, ...) logger_line(LOG_LEVEL_INFO, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#define log_dbg(fmt, ...) logger_line(LOG_LEVEL_DEBUG, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#define log_nrml(fmt, ...) logger_line(LOG_LEVEL_NRML, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#define log_warn(fmt, ...) logger_line(LOG_LEVEL_WARN, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#define log_err(fmt, ...) logger_line(LOG_LEVEL_ERROR, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#define log_fatal(fmt, ...) logger_line(LOG_LEVEL_FATAL, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
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#else
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#define log_trace(fmt, ...) logger_min(LOG_LEVEL_TRACE, fmt, ##__VA_ARGS__)
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#define log_info(fmt, ...) logger_min(LOG_LEVEL_INFO, fmt, ##__VA_ARGS__)
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#define log_dbg(fmt, ...) logger_min(LOG_LEVEL_DEBUG, fmt, ##__VA_ARGS__)
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#define log_nrml(fmt, ...) logger_min(LOG_LEVEL_NRML, fmt, ##__VA_ARGS__)
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#define log_warn(fmt, ...) logger_min(LOG_LEVEL_WARN, fmt, ##__VA_ARGS__)
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#define log_err(fmt, ...) logger_min(LOG_LEVEL_ERROR, fmt, ##__VA_ARGS__)
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#define log_fatal(fmt, ...) logger_min(LOG_LEVEL_FATAL, fmt, ##__VA_ARGS__)
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#endif
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#endif /* ----- #ifndef _LOGGER_H_ ----- */
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