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/* logger.h
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TOXLOGGER_H
#define TOXLOGGER_H
#include <string.h>
/* In case these are undefined; define 'empty' */
#ifndef LOGGER_OUTPUT_FILE
# define LOGGER_OUTPUT_FILE ""
#endif
#ifndef LOGGER_LEVEL
# define LOGGER_LEVEL LOG_ERROR
#endif
typedef enum {
LOG_TRACE,
LOG_DEBUG,
LOG_INFO,
LOG_WARNING,
LOG_ERROR
} LOG_LEVEL;
typedef struct logger Logger;
/**
* Set 'level' as the lowest printable level. If id == NULL, random number is used.
*/
Logger *logger_new (const char *file_name, LOG_LEVEL level, const char *id);
void logger_kill (Logger *log);
void logger_kill_global (void);
/**
* Global logger setter and getter.
*/
void logger_set_global (Logger *log);
Logger *logger_get_global (void);
/**
* Main write function. If logging disabled does nothing. If log == NULL uses global logger.
*/
void logger_write (Logger *log, LOG_LEVEL level, const char *file, int line, const char *format, ...);
/* To do some checks or similar only when logging, use this */
#ifdef LOGGING
# define LOGGER_SCOPE(__SCOPE_DO__) do { __SCOPE_DO__ } while(0)
# define LOGGER_WRITE(log, level, format, ...) \
logger_write(log, level, __FILE__, __LINE__, format, ##__VA_ARGS__ )
#else
# define LOGGER_SCOPE(__SCOPE_DO__) do {} while(0)
# define LOGGER_WRITE(log, level, format, ...) do {} while(0)
#endif /* LOGGING */
/* To log with an logger */
#define LOGGER_TRACE_(log, format, ...) LOGGER_WRITE(log, LOG_TRACE, format, ##__VA_ARGS__ )
#define LOGGER_DEBUG_(log, format, ...) LOGGER_WRITE(log, LOG_DEBUG, format, ##__VA_ARGS__ )
#define LOGGER_INFO_(log, format, ...) LOGGER_WRITE(log, LOG_INFO, format, ##__VA_ARGS__ )
#define LOGGER_WARNING_(log, format, ...) LOGGER_WRITE(log, LOG_WARNING, format, ##__VA_ARGS__ )
#define LOGGER_ERROR_(log, format, ...) LOGGER_WRITE(log, LOG_ERROR, format, ##__VA_ARGS__ )
/* To log with the global logger */
#define LOGGER_TRACE(format, ...) LOGGER_TRACE_(NULL, format, ##__VA_ARGS__)
#define LOGGER_DEBUG(format, ...) LOGGER_DEBUG_(NULL, format, ##__VA_ARGS__)
#define LOGGER_INFO(format, ...) LOGGER_INFO_(NULL, format, ##__VA_ARGS__)
#define LOGGER_WARNING(format, ...) LOGGER_WARNING_(NULL, format, ##__VA_ARGS__)
#define LOGGER_ERROR(format, ...) LOGGER_ERROR_(NULL, format, ##__VA_ARGS__)
#endif /* TOXLOGGER_H */
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