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/>.

**/

​

/* debug logging, remove for release */

​

#include "pp_cache.h"

#include "zbxjson.h"

#include "zbxprometheus.h"

#include "preproc_snmp.h"

​

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

 *                                                                            *

 * Purpose: create preprocessing cache                                        *

 *                                                                            *

 * Parameters: preproc  - [IN] preprocessing data                             *

 *             value    - [IN/OUT] input value - it will copied to cache      *

 *                                 and cleared                                *

 *                                                                            *

 * Return value: The created preprocessing cache                              *

 *                                                                            *

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

zbx_pp_cache_t  *pp_cache_create(const zbx_pp_item_preproc_t *preproc, const zbx_variant_t *value)

{

    zbx_pp_cache_t  *cache = (zbx_pp_cache_t *)zbx_malloc(NULL, sizeof(zbx_pp_cache_t));

​

    if (0 != preproc->steps_num)

    {

        switch (preproc->steps[0].type)

        {

            /* 'prometheus pattern' cache is reused for 'prometheus to json' */

            case ZBX_PREPROC_PROMETHEUS_TO_JSON:

                cache->type = ZBX_PREPROC_PROMETHEUS_PATTERN;

                break;

            default:

                cache->type = preproc->steps[0].type;

        }

    }

    else

        cache->type = ZBX_PREPROC_NONE;

​

    zbx_variant_copy(&cache->value, value);

    cache->data = NULL;

    cache->refcount = 1;

    cache->error = NULL;

​

    return cache;

}

​

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

 *                                                                            *

 * Purpose: free preprocessing cache                                          *

 *                                                                            *