/*
* Copyright (c) 2009-2011, Broadcom Corporation
* Copyright (c) 2014, QLogic Corporation
*
* Written by: Benjamin Li (benli@broadcom.com)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Adam Dunkels.
* 4. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* logger.h - Logging Utilities
*
*/
#ifndef __LOGGER_H__
#define __LOGGER_H__
#include <pthread.h>
#include <stdio.h>
#include <time.h>
#include <stdint.h>
#include <sys/types.h>
/*******************************************************************************
* Logger Levels
******************************************************************************/
#define LOG_LEVEL_PACKET 5
#define LOG_LEVEL_DEBUG 4
#define LOG_LEVEL_INFO 3
#define LOG_LEVEL_WARN 2
#define LOG_LEVEL_ERR 1
#define LOG_LEVEL_UNKNOWN 0
#define LOG_LEVEL_PACKET_STR "PKT "
#define LOG_LEVEL_DEBUG_STR "DBG "
#define LOG_LEVEL_INFO_STR "INFO "
#define LOG_LEVEL_WARN_STR "WARN "
#define LOG_LEVEL_ERR_STR "ERR "
#define LOG_LEVEL_UNKNOWN_STR "? "
/*******************************************************************************
* Logging Macro's
******************************************************************************/
#define LOG_PACKET(fmt, args...) { if (LOG_LEVEL_PACKET <= \
main_log.level) { \
log_uip(LOG_LEVEL_PACKET_STR, fmt,\
##args);\
} }
#define LOG_DEBUG(fmt, args...) { if (LOG_LEVEL_DEBUG <= main_log.level) { \
log_uip(LOG_LEVEL_DEBUG_STR, fmt,\
##args);\
} }
#define LOG_INFO(fmt, args...) { if (LOG_LEVEL_INFO <= main_log.level) { \
log_uip(LOG_LEVEL_INFO_STR, fmt,\
##args); \
} }
#define LOG_WARN(fmt, args...) { if (LOG_LEVEL_WARN <= main_log.level) { \
log_uip(LOG_LEVEL_WARN_STR, fmt,\
##args); \
} }
#define LOG_ERR(fmt, args...) { if (LOG_LEVEL_ERR <= main_log.level) { \
log_uip(LOG_LEVEL_ERR_STR, fmt,\
##args); \
} }
/*******************************************************************************
* Logging Statistics
******************************************************************************/
struct logger_stats {
uint64_t debug;
uint64_t info;
uint64_t warn;
uint64_t error;
time_t last_log_time;
};
/*******************************************************************************
* Logger Structure
******************************************************************************/
struct logger {
FILE *fp;
char *log_file;
int8_t level;
#define LOGGER_ENABLED 0x01
#define LOGGER_DISABLED 0x02
int8_t enabled;
pthread_mutex_t lock;
struct logger_stats stats;
};
extern struct logger main_log;
int init_logger(char *);
void log_uip(char *level_str, char *fmt, ...);
void fini_logger(int);
#define CLOSE_LOGGER 0x01
#define SHUTDOWN_LOGGER 0x02
#endif