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usb_moded-log.h
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usb_moded-log.h
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/*
* Copyright (C) 2010 Nokia Corporation. All rights reserved.
* Copyright (C) 2016-2019 Jolla Ltd.
*
* Author: Philippe De Swert <philippe.de-swert@nokia.com>
* Author: Simo Piiroinen <simo.piiroinen@jollamobile.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Lesser GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program 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 Lesser GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef USB_MODED_LOG_H_
# define USB_MODED_LOG_H_
# include <stdbool.h>
# include <stdarg.h>
# include <syslog.h>
/* Logging functionality */
/* ========================================================================= *
* Constants
* ========================================================================= */
# define LOG_ENABLE_DEBUG 01
# define LOG_ENABLE_TIMESTAMPS 01
# define LOG_ENABLE_LEVELTAGS 01
# define LOG_ENABLE_CONTEXT 0
enum
{
LOG_TO_STDERR, // log to stderr
LOG_TO_SYSLOG, // log to syslog
};
enum
{
LOG_MIN_LEVEL = LOG_CRIT,
LOG_MAX_LEVEL = LOG_DEBUG,
};
/* ========================================================================= *
* CONTEXT STACK
* ========================================================================= */
# if LOG_ENABLE_CONTEXT
const char *context_enter(const char *func);
void context_leave(void *aptr);
# define LOG_REGISTER_CONTEXT\
__attribute__((cleanup(context_leave))) const char *qqq =\
context_enter(__func__)
#else
# define LOG_REGISTER_CONTEXT\
do{}while(0)
#endif
/* ========================================================================= *
* Prototypes
* ========================================================================= */
/* ------------------------------------------------------------------------- *
* LOG
* ------------------------------------------------------------------------- */
void log_emit_va (const char *file, const char *func, int line, int lev, const char *fmt, va_list va);
void log_emit_real (const char *file, const char *func, int line, int lev, const char *fmt, ...);
void log_debugf (const char *fmt, ...);
int log_get_level (void);
void log_set_level (int lev);
bool log_p (int lev);
int log_get_type (void);
void log_set_type (int type);
const char *log_get_name (void);
void log_set_name (const char *name);
void log_set_lineinfo(bool lineinfo);
bool log_get_lineinfo(void);
void log_init (void);
/* ========================================================================= *
* Macros
* ========================================================================= */
# define log_emit(LEV, FMT, ARGS...) do {\
if( log_p(LEV) ) {\
log_emit_real(__FILE__,__FUNCTION__,__LINE__, LEV, FMT, ##ARGS);\
}\
} while(0)
# define log_crit( FMT, ARGS...) log_emit(LOG_CRIT, FMT, ##ARGS)
# define log_err( FMT, ARGS...) log_emit(LOG_ERR, FMT, ##ARGS)
# define log_warning( FMT, ARGS...) log_emit(LOG_WARNING, FMT, ##ARGS)
# if LOG_ENABLE_DEBUG
# define log_notice( FMT, ARGS...) log_emit(LOG_NOTICE, FMT, ##ARGS)
# define log_info( FMT, ARGS...) log_emit(LOG_INFO, FMT, ##ARGS)
# define log_debug( FMT, ARGS...) log_emit(LOG_DEBUG, FMT, ##ARGS)
# else
# define log_notice( FMT, ARGS...) do{}while(0)
# define log_info( FMT, ARGS...) do{}while(0)
# define log_debug( FMT, ARGS...) do{}while(0)
# define log_debugf( FMT, ARGS...) do{}while(0)
# endif
#endif /* USB_MODED_LOG_H_ */