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 "zbxcacheconfig.h"

​

#include "zbxalgo.h"

#include "zbxdb.h"

#include "zbxdbhigh.h"

#include "zbxjson.h"

​

ZBX_PTR_VECTOR_IMPL(lld_macro_path_ptr, zbx_lld_macro_path_t *)

​

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

 *                                                                            *

 * Purpose: sorting function to sort LLD macros by unique name                *

 *                                                                            *

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

int zbx_lld_macro_paths_compare(const void *d1, const void *d2)

{

    const zbx_lld_macro_path_t  *r1 = *(const zbx_lld_macro_path_t **)d1;

    const zbx_lld_macro_path_t  *r2 = *(const zbx_lld_macro_path_t **)d2;

​

    return strcmp(r1->lld_macro, r2->lld_macro);

}

​

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

 *                                                                            *

 * Purpose: retrieve list of LLD macros                                       *

 *                                                                            *

 * Parameters: lld_ruleid      - [IN] LLD id                                  *

 *             lld_macro_paths - [OUT] use json path to extract from jp_row   *

 *             error           - [OUT] in case json path is invalid           *

 *                                                                            *

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

int zbx_lld_macro_paths_get(zbx_uint64_t lld_ruleid, zbx_vector_lld_macro_path_ptr_t *lld_macro_paths, char **error)

{

    zbx_db_result_t     result;

    zbx_db_row_t        row;

    zbx_lld_macro_path_t    *lld_macro_path;

    int         ret = SUCCEED;

​

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

​

    result = zbx_db_select(

            "select lld_macro,path"

            " from lld_macro_path"

            " where itemid=" ZBX_FS_UI64,

            lld_ruleid);

​

    while (NULL != (row = zbx_db_fetch(result)))

    {

        zbx_jsonpath_t  path;

​

        if (SUCCEED != (ret = zbx_jsonpath_compile(row[1], &path)))

        {

            *error = zbx_dsprintf(*error, "Cannot process LLD macro \"%s\": %s.\n", row[0],

                    zbx_json_strerror());

            break;

        }

​

        zbx_jsonpath_clear(&path);

​

        lld_macro_path = (zbx_lld_macro_path_t *)zbx_malloc(NULL, sizeof(zbx_lld_macro_path_t));

        lld_macro_path->lld_macro = zbx_strdup(NULL, row[0]);

        lld_macro_path->path = zbx_strdup(NULL, row[1]);

​

        zbx_vector_lld_macro_path_ptr_append(lld_macro_paths, lld_macro_path);

    }

    zbx_db_free_result(result);

​

    zbx_vector_lld_macro_path_ptr_sort(lld_macro_paths, zbx_lld_macro_paths_compare);

​

    zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));

​

    return ret;

}

​

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

 *                                                                            *

 * Purpose: release resources allocated by lld macro path                     *