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/**
* @file print.h
* @brief Logging support functions
* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* 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 GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef HAVE_PRINT_H
#define HAVE_PRINT_H
#include <syslog.h>
#include "util.h"
#define PRINT_LEVEL_MIN LOG_EMERG
#define PRINT_LEVEL_MAX LOG_DEBUG
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
void print(int level, char const *format, ...);
void print_set_progname(const char *name);
void print_set_tag(const char *tag);
void print_set_syslog(int value);
void print_set_level(int level);
void print_set_verbose(int value);
/*
* Better check print log level before execution of print itself.
* Otherwise all arguments are evaluated and slow down the system.
* e.g. in 'unicast_service.c' unicast_service_clients()
* pid2str() is the killer
* pr_debug("%s wants 0x%x", pid2str(&client->portIdentity),
* client->message_types);
*/
extern int print_level;
static inline int print_get_level(void)
{
return print_level;
}
#define PRINT_CL(l, x...) /* PRINT Check Level */ \
do { \
if (print_get_level() >= l) \
print(l, x); \
} while (0)
#define pr_emerg(x...) PRINT_CL(LOG_EMERG, x)
#define pr_alert(x...) PRINT_CL(LOG_ALERT, x)
#define pr_crit(x...) PRINT_CL(LOG_CRIT, x)
#define pr_err(x...) PRINT_CL(LOG_ERR, x)
#define pr_warning(x...) PRINT_CL(LOG_WARNING, x)
#define pr_notice(x...) PRINT_CL(LOG_NOTICE, x)
#define pr_info(x...) PRINT_CL(LOG_INFO, x)
#define pr_debug(x...) PRINT_CL(LOG_DEBUG, x)
#define PRINT_RL(l, i, x...) \
do { \
static time_t last = -i; \
if (!rate_limited(i, &last)) \
print(l, x); \
} while (0);
/* Rate limited versions */
#define pl_emerg(i, x...) PRINT_RL(LOG_EMERG, i, x)
#define pl_alert(i, x...) PRINT_RL(LOG_ALERT, i, x)
#define pl_crit(i, x...) PRINT_RL(LOG_CRIT, i, x)
#define pl_err(i, x...) PRINT_RL(LOG_ERR, i, x)
#define pl_warning(i, x...) PRINT_RL(LOG_WARNING, i, x)
#define pl_notice(i, x...) PRINT_RL(LOG_NOTICE, i, x)
#define pl_info(i, x...) PRINT_RL(LOG_INFO, i, x)
#define pl_debug(i, x...) PRINT_RL(LOG_DEBUG, i, x)
#endif
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