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 "zbxdbwrap.h"

​

#include "zbxhistory.h"

#include "zbxcachevalue.h"

#include "zbxexpression.h"

#include "zbxdb.h"

#include "zbxdbhigh.h"

#include "zbxtime.h"

#include "zbxcacheconfig.h"

​

/******************************************************************************

 *                                                                            *

 * Purpose: retrieve item value by trigger expression and number of function, *

 *          retrieved value depends from value property.                      *

 *                                                                            *

 * Return value: upon successful completion return SUCCEED                    *

 *               otherwise FAIL                                               *

 *                                                                            *

 ******************************************************************************/

int zbx_db_item_value(const zbx_db_trigger *trigger, char **value, int N_functionid, int clock, int ns, int raw,

        const char *tz, zbx_expr_db_item_value_property_t value_property)

{

    zbx_uint64_t    itemid;

    zbx_timespec_t  ts = {clock, ns};

    int     ret;

    time_t      timestamp;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);

​

    if (SUCCEED == (ret = zbx_db_trigger_get_itemid(trigger, N_functionid, &itemid)) &&

        SUCCEED == (ret = zbx_db_item_get_value(itemid, value, raw, &ts, &timestamp)))

    {

        switch (value_property)

        {

            case ZBX_VALUE_PROPERTY_TIME:

                *value = zbx_strdup(*value, zbx_time2str(timestamp, tz));

                break;

            case ZBX_VALUE_PROPERTY_TIMESTAMP:

                *value = zbx_dsprintf(*value, ZBX_FS_UI64, (uint64_t)timestamp);

                break;

            case ZBX_VALUE_PROPERTY_DATE:

                *value = zbx_strdup(*value, zbx_date2str(timestamp, tz));

                break;

            case ZBX_VALUE_PROPERTY_AGE:

                *value = zbx_strdup(*value, zbx_age2str(time(NULL) - timestamp));

                break;

            default:

                break;

        }