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159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/*
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* log.h
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*
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* Copyright (C) 2014 Arnaud Andre
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*
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* This file is part of uvrrpd.
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*
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* uvrrpd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* uvrrpd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with uvrrpd. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LOG_H_
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#define _LOG_H_
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/* ISO C */
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#include <errno.h>
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#include <string.h>
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/* POSIX */
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#include <syslog.h>
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/**
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* log_trigger (char const *level)
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* Set up logs level trigger. If level is NULL return current level trigger
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* - <b>err</b> Error conditions
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* - <b>warning</b> Warning conditions
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* - <b>notice</b> Normal, but significant, condition
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* - <b>info</b> Informational message
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* - <b>debug</b> Debug message
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*/
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int log_trigger(char const *level);
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/**
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* log_open (char const *app, char const *level)
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* Open logs system. Define logs level trigger.
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* @app Application name
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* @level Logs level
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*/
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void log_open(char const *app, char const *level);
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/**
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* log_close( void )
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* Close logs system.
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*/
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void log_close(void);
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/**
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* log_it( int priority, char const *format, ...)
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* Log message if priority is higher than level trigger
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* @priority Message
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* @format Log message
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* @... Arguments list
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*/
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void log_it(int priority, char const *format, ...)
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__attribute__ ((__format__(__printf__, 2, 3)));
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/**
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* log_error( fmt, ... )
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* @fmt Log message
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* @... Arguments list
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*/
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#define log_error( fmt, ... ) \
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do { \
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log_it( LOG_ERR, "%s::%s "fmt, \
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"error", __func__, ##__VA_ARGS__ ); \
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} while ( 0 )
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/**
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* log_sys_error( fmt, ... )
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* @fmt Log message
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* @... Arguments list
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*/
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#define log_sys_error( fmt, ... ) \
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do { \
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log_it( LOG_ERR, "%s::%s "fmt" %s", \
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"error", __func__, ##__VA_ARGS__, strerror(errno) ); \
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} while ( 0 )
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/**
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* log_warning( fmt, ... )
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* @fmt Log message
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* @... Arguments list
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*/
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#define log_warning( fmt, ... ) \
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do { \
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log_it( LOG_WARNING, "%s::%s "fmt, \
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"warning", __func__, ##__VA_ARGS__ ); \
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} while ( 0 )
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/**
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* log_notice( ... )
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* @... Log message and arguments list
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*/
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#define log_notice( ... ) \
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do { \
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log_it( LOG_NOTICE, ##__VA_ARGS__ ); \
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} while ( 0 )
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/**
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* log_info( ... )
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* Log message. Enable in info or higher level
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* @... Log message and arguments list
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*/
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#define log_info( ... ) \
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do { \
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extern int __log_trigger; \
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\
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if ( LOG_INFO <= __log_trigger ) \
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log_it( LOG_INFO, ##__VA_ARGS__ ); \
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} while ( 0 )
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/**
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* log_debug( fmt, ... )
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* Log message. Enable in debug level
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* @fmt Log message
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* @... Arguments list
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*/
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#define log_debug( fmt, ... ) \
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do { \
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extern int __log_trigger; \
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\
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if ( LOG_DEBUG <= __log_trigger ) \
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log_it( LOG_DEBUG, "%s %s "fmt, \
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"--- DEBUG ---", __func__, ##__VA_ARGS__ ); \
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} while ( 0 )
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#ifdef DEBUG
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/**
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* log_devel( fmt, ... )
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* Log message. Enable in devel level
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* @fmt Log message
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* @... Arguments list
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*/
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#define log_devel( fmt, ... ) \
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do { \
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extern int __log_trigger; \
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\
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if ( LOG_DEBUG <= __log_trigger ) \
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log_it( LOG_DEBUG, "%s %s( " fmt " )", \
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"--- DEVEL ---", __func__, ##__VA_ARGS__ ); \
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} while ( 0 )
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#else
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#define log_devel( fmt, ... )
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#endif /* DEBUG */
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#endif /* _LOG_H_ */
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