Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxcommon.h"

​

#define LOG_LEVEL_DEC_FAIL  -2

#define LOG_LEVEL_DEC_SUCCEED   -1

#define LOG_LEVEL_UNCHANGED 0

#define LOG_LEVEL_INC_SUCCEED   1

#define LOG_LEVEL_INC_FAIL  2

​

static int          log_level = LOG_LEVEL_WARNING;

static ZBX_THREAD_LOCAL int *plog_level = &log_level;

static zbx_log_func_t       log_func_callback = NULL;

static zbx_get_progname_f   get_progname_cb = NULL;

static zbx_backtrace_f      backtrace_cb = NULL;

​

#define LOG_COMPONENT_NAME_LEN  64

static ZBX_THREAD_LOCAL int log_level_change = LOG_LEVEL_UNCHANGED;

static ZBX_THREAD_LOCAL char    log_component_name[LOG_COMPONENT_NAME_LEN + 1];

#undef LOG_COMPONENT_NAME_LEN

​

void    zbx_init_library_common(zbx_log_func_t log_func, zbx_get_progname_f get_progname, zbx_backtrace_f backtrace)

{

    log_func_callback = log_func;

    get_progname_cb = get_progname;

    backtrace_cb = backtrace;

}

​

void    zbx_this_should_never_happen_backtrace(void)

{

    if (NULL != backtrace_cb)

        backtrace_cb();

}

​

void    zbx_log_handle(int level, const char *fmt, ...)

{

    va_list args;

​

    va_start(args, fmt);

    log_func_callback(level, fmt, args);

    va_end(args);

}

​

int zbx_get_log_level(void)

{

    return *plog_level;

}

​

void    zbx_set_log_level(int level)

{

    log_level = level;