/* 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 . * */ #ifndef TOXLOGGER_H #define TOXLOGGER_H #include /* 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 */