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 "zbxtrapper.h"

#include "zbxpreproc.h"

#include "zbxjson.h"

#include "zbxpreprocbase.h"

#include "zbxtime.h"

#include "zbx_item_constants.h"

​

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

 *                                                                            *

 * Purpose: parses preprocessing test request                                 *

 *                                                                            *

 * Parameters: jp_item      - [IN] item object of request                     *

 *             jp_options   - [IN] options object of request                  *

 *             jp_steps     - [IN] steps object of request                    *

 *             value        - [IN] item value for preprocessing               *

 *             value_size   - [IN] size of item value for preprocessing       *

 *             state        - [IN] item state                                 *

 *             values       - [OUT] values to test optional                   *

 *                                  (history + current)                       *

 *             ts           - [OUT] value timestamps                          *

 *             values_num   - [OUT]                                           *

 *             value_type   - [OUT]                                           *

 *             steps        - [OUT] preprocessing steps                       *

 *             single       - [OUT] is preproc step single                    *

 *             bypass_first - [OUT] flag to bypass first step                 *

 *             error        - [OUT] error message                             *

 *                                                                            *

 * Return value: SUCCEED - request was parsed successfully                    *

 *               FAIL    - otherwise                                          *

 *                                                                            *

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

static int  trapper_parse_preproc_test(const struct zbx_json_parse *jp_item,

        const struct zbx_json_parse *jp_options, const struct zbx_json_parse *jp_steps, char *value,

        size_t value_size, int state, char **values, zbx_timespec_t *ts, int *values_num,

        unsigned char *value_type, zbx_vector_pp_step_ptr_t *steps, int *single, int *bypass_first,

        char **error)

{

    char            buffer[MAX_STRING_LEN], *step_params = NULL, *error_handler_params = NULL;

    const char      *ptr;

    int         ret = FAIL;

    struct zbx_json_parse   jp_history, jp_step;

    size_t          size;

    zbx_timespec_t      ts_now;

​

    if (FAIL == zbx_json_value_by_name(jp_item, ZBX_PROTO_TAG_VALUE_TYPE, buffer, sizeof(buffer), NULL))

    {

        *error = zbx_strdup(NULL, "Missing value type field.");

        goto out;

    }