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/*
* Tox DHT bootstrap daemon.
* Logging utility with support of multiple logging backends.
*/
/*
* Copyright © 2016-2017 The TokTok team.
* Copyright © 2015-2016 Tox project.
*
* This file is part of Tox, the free peer to peer instant messenger.
*
* 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 LOG_H
#define LOG_H
#include <stdbool.h>
typedef enum LOG_BACKEND {
LOG_BACKEND_STDOUT,
LOG_BACKEND_SYSLOG
} LOG_BACKEND;
typedef enum LOG_LEVEL {
LOG_LEVEL_INFO,
LOG_LEVEL_WARNING,
LOG_LEVEL_ERROR
} LOG_LEVEL;
/**
* Initializes logger.
* @param backend Specifies which backend to use.
* @return true on success, flase if log is already opened.
*/
bool log_open(LOG_BACKEND backend);
/**
* Releases all used resources by the logger.
* @return true on success, flase if log is already closed.
*/
bool log_close(void);
/**
* Writes a message to the log.
* @param level Log level to use.
* @param format printf-like format string.
* @param ... Zero or more arguments, similar to printf function.
* @return true on success, flase if log is closed.
*/
bool log_write(LOG_LEVEL level, const char *format, ...);
#endif // LOG_H
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