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mce-log.h
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mce-log.h
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/**
* @file mce-log.h
* Headers for the logging functions for Mode Control Entity
* <p>
* Copyright © 2006-2007, 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
* <p>
* @author David Weinehall <david.weinehall@nokia.com>
*
* mce is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* mce 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mce. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MCE_LOG_H_
# define MCE_LOG_H_
# include <syslog.h>
# define MCE_LOG_SYSLOG 1 /**< Log to syslog */
# define MCE_LOG_STDERR 0 /**< Log to stderr */
/** Severity of loglevels (subset of syslog priorities) */
typedef enum {
LL_NONE = 0, /**< No logging at all */
LL_EXTRA = LOG_ALERT, /**< Placeholder for devel logging */
LL_CRIT = LOG_CRIT, /**< Critical error */
LL_ERR = LOG_ERR, /**< Error */
LL_WARN = LOG_WARNING, /**< Warning */
LL_NOTICE = LOG_NOTICE, /**< Normal but noteworthy */
LL_INFO = LOG_INFO, /**< Informational message */
LL_DEBUG = LOG_DEBUG, /**< Useful when debugging */
LL_DEFAULT = LL_WARN, /**< Default log level */
# ifdef ENABLE_DEVEL_LOGGING
LL_DEVEL = LL_EXTRA, /**< Log by default on devel build */
# else
LL_DEVEL = LL_NOTICE, /**< Otherwise verbose mode needed */
# endif
LL_MAXIMUM = LOG_DEBUG, /**< Minimum for bounds checking */
LL_MINIMUM = LOG_EMERG, /**< Maximum for bounds checking */
} loglevel_t;
# ifdef OSSOLOG_COMPILE
void mce_log_add_pattern(const char *pat);
void mce_log_set_verbosity(int verbosity);
int mce_log_get_verbosity(void);
int mce_log_p_(const loglevel_t loglevel,
const char *const file, const char *const function);
void mce_log_file(loglevel_t loglevel, const char *const file,
const char *const function, const char *const fmt, ...)
__attribute__((format(printf, 4, 5)));
void mce_log_open(const char *const name, const int facility, const int type);
void mce_log_close(void);
# define mce_log_p(LEV_)\
mce_log_p_(LEV_,__FILE__,__FUNCTION__)
# define mce_log_raw(LEV_, FMT_, ARGS_...)\
mce_log_file(LEV_, NULL, NULL, FMT_ , ## ARGS_)
# define mce_log(LEV_, FMT_, ARGS_...)\
do {\
if( mce_log_p(LEV_) )\
mce_log_file(LEV_, __FILE__, __FUNCTION__,\
FMT_ , ## ARGS_);\
} while(0)
# else
/* Dummy versions used when logging is disabled at compile time */
# define mce_log_add_pattern(PAT_) do {} while (0)
# define mce_log_set_verbosity(LEV_) do {} while (0)
# define mce_log_open(NAME_, FACILITY_, TYPE_) do {} while (0)
# define mce_log_close() do {} while (0)
# define mce_log_p(LEV_) 0
# define mce_log(LEV_, FMT_, ...) do {} while (0)
# define mce_log_raw(LEV_, FMT_, ARGS_...) do {} while (0)
# endif /* OSSOLOG_COMPILE */
#endif /* MCE_LOG_H_ */