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 "zbxkvs.h"

​

static zbx_hash_t   zbx_kv_hash(const void *data)

{

    const zbx_kv_t  *kv = (const zbx_kv_t *)data;

​

    return ZBX_DEFAULT_STRING_HASH_ALGO(kv->key, strlen(kv->key), ZBX_DEFAULT_HASH_SEED);

}

​

static int  zbx_kv_compare(const void *d1, const void *d2)

{

    return strcmp(((const zbx_kv_t *)d1)->key, ((const zbx_kv_t *)d2)->key);

}

​

static void zbx_kv_clean(void *data)

{

    zbx_kv_t    *kv = (zbx_kv_t *)data;

​

    zbx_free(kv->key);

    zbx_free(kv->value);

}

​

void    zbx_kvs_create(zbx_kvs_t *kvs, size_t init_size)

{

    zbx_hashset_create_ext(kvs, init_size, zbx_kv_hash, zbx_kv_compare, zbx_kv_clean,

            ZBX_DEFAULT_MEM_MALLOC_FUNC, ZBX_DEFAULT_MEM_REALLOC_FUNC, ZBX_DEFAULT_MEM_FREE_FUNC);

}

​

void    zbx_kvs_clear(zbx_kvs_t *kvs)

{

    zbx_hashset_clear(kvs);

}

​

void    zbx_kvs_destroy(zbx_kvs_t *kvs)

{

    zbx_hashset_destroy(kvs);

}

​

zbx_kv_t    *zbx_kvs_search(zbx_kvs_t *kvs, const zbx_kv_t *data)

{

    return zbx_hashset_search(kvs, data);

}

​

void    zbx_kvs_from_json_get(const struct zbx_json_parse *jp_kvs, zbx_kvs_t *kvs)

{

    char        key[MAX_STRING_LEN], *value = NULL;

    const char  *pnext = NULL;

    size_t      string_alloc = 0;

​

    while (NULL != (pnext = zbx_json_pair_next(jp_kvs, pnext, key, sizeof(key))))

    {

        zbx_kv_t    kv_local;

​

        kv_local.key = key;

        if (NULL != (zbx_hashset_search(kvs, &kv_local)))

        {

            zabbix_log(LOG_LEVEL_DEBUG, "key '%s' is defined multiple times", key);

            continue;

        }

​

        if (NULL == zbx_json_decodevalue_dyn(pnext, &value, &string_alloc, NULL))

        {

            zabbix_log(LOG_LEVEL_DEBUG, "invalid tag value starting with %s", pnext);

            continue;

        }

​

        kv_local.key = zbx_strdup(NULL, key);

        kv_local.value = value;

        value = NULL;

        string_alloc = 0;

        zbx_hashset_insert(kvs, &kv_local, sizeof(zbx_kv_t));

    }

​

    zbx_free(value);

}

​

int zbx_kvs_from_json_by_path_get(const char *path, const struct zbx_json_parse *jp_kvs_paths, zbx_kvs_t *kvs,