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/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** 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 ZABBIX_LOG_H
#define ZABBIX_LOG_H
#include "zbxcommon.h"
#define LOG_LEVEL_EMPTY 0 /* printing nothing (if not LOG_LEVEL_INFORMATION set) */
#define LOG_LEVEL_CRIT 1
#define LOG_LEVEL_ERR 2
#define LOG_LEVEL_WARNING 3
#define LOG_LEVEL_DEBUG 4
#define LOG_LEVEL_TRACE 5
#define LOG_LEVEL_INFORMATION 127 /* printing in any case no matter what level set */
#define LOG_TYPE_UNDEFINED 0
#define LOG_TYPE_SYSTEM 1
#define LOG_TYPE_FILE 2
#define LOG_TYPE_CONSOLE 3
#define ZBX_OPTION_LOGTYPE_SYSTEM "system"
#define ZBX_OPTION_LOGTYPE_FILE "file"
#define ZBX_OPTION_LOGTYPE_CONSOLE "console"
#define LOG_ENTRY_INTERVAL_DELAY 60 /* seconds */
extern int zbx_log_level;
#define ZBX_CHECK_LOG_LEVEL(level) \
((LOG_LEVEL_INFORMATION != (level) && \
((level) > zbx_log_level || LOG_LEVEL_EMPTY == (level))) ? FAIL : SUCCEED)
#ifdef HAVE___VA_ARGS__
# define ZBX_ZABBIX_LOG_CHECK
# define zabbix_log(level, ...) \
\
do \
{ \
if (SUCCEED == ZBX_CHECK_LOG_LEVEL(level)) \
__zbx_zabbix_log(level, __VA_ARGS__); \
} \
while (0)
#else
# define zabbix_log __zbx_zabbix_log
#endif
int zabbix_open_log(int type, int level, const char *filename, char **error);
void __zbx_zabbix_log(int level, const char *fmt, ...) __zbx_attr_format_printf(2, 3);
void zabbix_close_log(void);
#ifndef _WINDOWS
int zabbix_increase_log_level(void);
int zabbix_decrease_log_level(void);
const char *zabbix_get_log_level_string(void);
#endif
char *zbx_strerror(int errnum);
char *strerror_from_system(unsigned long error);
#ifdef _WINDOWS
char *strerror_from_module(unsigned long error, const wchar_t *module);
#endif
int zbx_redirect_stdio(const char *filename);
void zbx_handle_log(void);
int zbx_get_log_type(const char *logtype);
int zbx_validate_log_parameters(ZBX_TASK_EX *task);
void zbx_strlog_alloc(int level, char **out, size_t *out_alloc, size_t *out_offset, const char *format,
...) __zbx_attr_format_printf(5, 6);
#endif
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