Zabbix

/*

** 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.

**/

​

#include "valuecache_test.h"

​

void    zbx_vc_set_mode(int mode)

{

    vc_cache->mode = mode;

    vc_cache->mode_time = time(NULL);

}

​

int zbx_vc_get_cached_values(zbx_uint64_t itemid, unsigned char value_type, zbx_vector_history_record_t *values)

{

    zbx_vc_item_t   *item;

    int     i;

    zbx_vc_chunk_t  *chunk;

​

    if (NULL == (item = zbx_hashset_search(&vc_cache->items, &itemid)))

        return FAIL;

​

    if (NULL == item->head)

        return SUCCEED;

​

    for (chunk = item->tail; NULL != chunk; chunk = chunk->next)

    {

        for (i = chunk->first_value; i <= chunk->last_value; i++)

            vc_history_record_vector_append(values, value_type, &chunk->slots[i]);

    }

​

    return SUCCEED;

}

​

int zbx_vc_precache_values(zbx_uint64_t itemid, int value_type, int seconds, int count, const zbx_timespec_t *ts)

{

    zbx_vc_item_t           *item;

    int             ret;

    zbx_vector_history_record_t values;

​

    /* add item to cache if necessary */

    if (NULL == (item = (zbx_vc_item_t *)zbx_hashset_search(&vc_cache->items, &itemid)))

    {

        zbx_vc_item_t   new_item = {.itemid = itemid, .value_type = value_type};

        item = zbx_hashset_insert(&vc_cache->items, &new_item, sizeof(zbx_vc_item_t));

    }

​

    /* perform request to cache values */

    zbx_history_record_vector_create(&values);