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/*
* This file is part of the Distributed Network Block Device 3
*
* Copyright(c) 2011-2012 Simon Rettberg
*
* This file may be licensed under the terms of of the
* GNU General Public License Version 2 (the ``GPL'').
*
* Software distributed under the License is distributed
* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the GPL for the specific language
* governing rights and limitations.
*
* You should have received a copy of the GPL along with this
* program. If not, go to http://www.gnu.org/licenses/gpl.html
* or write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef LOG_H_
#define LOG_H_
#include <stdbool.h>
#include <unistd.h>
typedef unsigned int logmask_t;
#define LOG_ERROR ((logmask_t)1) // Fatal error, server will terminate
#define LOG_WARNING ((logmask_t)2) // Major issue, something is broken but keep running
#define LOG_MINOR ((logmask_t)4) // Minor issue, more of a hickup than serious problem
#define LOG_INFO ((logmask_t)8) // Informational message
#define LOG_DEBUG1 ((logmask_t)16) // Debug information, use this for non-spammy stuff
#define LOG_DEBUG2 ((logmask_t)32) // Use this for debug messages that will show up a lot
/**
* Check if cansoleMask | fileMask has all of mask set.
*/
bool log_hasMask(const logmask_t mask);
void log_setFileMask(logmask_t mask);
void log_setConsoleMask(logmask_t mask);
void log_setConsoleTimestamps(bool on);
/**
* Open or reopen the log file. If path is NULL and the
* function was called with a path before, the same path
* will be used again.
*/
bool log_openLogFile(const char *path);
/**
* Add a line to the log
*/
void logadd(const logmask_t mask, const char *text, ...)
__attribute__ ((format (printf, 2, 3)));
/**
* Return last size bytes of log.
*/
ssize_t log_fetch(char *buffer, int size);
#endif /* LOG_H_ */
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