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/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef UTIL_LOG_H
#define UTIL_LOG_H
#include <stdarg.h> // va_*
#include <stdio.h> // FILE
#include <time.h> // time, localtime
typedef enum
{
LOG_FATAL,
LOG_ERROR,
LOG_WARN,
LOG_INFO,
LOG_DEBUG,
LOG_TRACE
} log_level_t;
typedef struct
{
int log_level;
int debug;
FILE *log_file;
} log_conf_t;
#define DEFAULT_LOG_CONF \
{ \
.log_level = LOG_INFO, \
.debug = 0, \
.log_file = NULL, \
};
extern log_conf_t log_conf;
#define WITH_ERROR(BLOCK) \
if (log_conf.log_level >= LOG_ERROR) \
BLOCK
#define WITH_WARN(BLOCK) \
if (log_conf.log_level >= LOG_WARN) \
BLOCK
#define WITH_INFO(BLOCK) \
if (log_conf.log_level >= LOG_INFO) \
BLOCK
#define WITH_DEBUG(BLOCK) \
if (log_conf.log_level >= LOG_DEBUG) \
BLOCK
#define WITH_TRACE(BLOCK) \
if (log_conf.log_level >= LOG_TRACE) \
BLOCK
#define FATAL(fmt, ...) (_log (LOG_FATAL, fmt, ##__VA_ARGS__))
#ifdef ERROR
#undef ERROR
#endif
#define ERROR(fmt, ...) (_log (LOG_ERROR, fmt, ##__VA_ARGS__))
#define WARN(fmt, ...) (_log (LOG_WARN, fmt, ##__VA_ARGS__))
#define INFO(fmt, ...) (_log (LOG_INFO, fmt, ##__VA_ARGS__))
#define DEBUG(fmt, ...) (_log (LOG_DEBUG, fmt, ##__VA_ARGS__))
#define TRACE(fmt, ...) (_log (LOG_TRACE, fmt, ##__VA_ARGS__))
void _log_va (int level, const char *fmt, va_list ap);
void _log (int level, const char *fmt, ...);
void fatal (char *fmt, ...);
int loglevel_from_str (const char *loglevel);
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
void print_trace (void);
#endif
#endif // UTIL_LOG_H
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