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 "zbxdiag.h"

​

#include "zbxjson.h"

#include "zbxalgo.h"

#include "zbxshmem.h"

#include "zbxcachehistory.h"

#include "zbxconnector.h"

#include "zbxlog.h"

#include "zbxmutexs.h"

#include "zbxtime.h"

#include "zbxnum.h"

​

#define ZBX_DIAG_SECTION_MAX    64

#define ZBX_DIAG_FIELD_MAX  64

​

#define ZBX_DIAG_HISTORYCACHE_ITEMS     0x00000001

#define ZBX_DIAG_HISTORYCACHE_VALUES        0x00000002

#define ZBX_DIAG_HISTORYCACHE_MEMORY_DATA   0x00000004

#define ZBX_DIAG_HISTORYCACHE_MEMORY_INDEX  0x00000008

​

#define ZBX_DIAG_HISTORYCACHE_SIMPLE    (ZBX_DIAG_HISTORYCACHE_ITEMS | \

                    ZBX_DIAG_HISTORYCACHE_VALUES)

​

#define ZBX_DIAG_HISTORYCACHE_MEMORY    (ZBX_DIAG_HISTORYCACHE_MEMORY_DATA | \

                    ZBX_DIAG_HISTORYCACHE_MEMORY_INDEX)

​

#define ZBX_DIAG_CONNECTOR_VALUES           0x00000001

#define ZBX_DIAG_CONNECTOR_SIMPLE       (ZBX_DIAG_CONNECTOR_VALUES)

​

ZBX_PTR_VECTOR_IMPL(diag_map_ptr, zbx_diag_map_t *)

​

static zbx_diag_add_section_info_func_t add_diag_cb;

​

void    zbx_diag_map_free(zbx_diag_map_t *map)

{

    zbx_free(map->name);

    zbx_free(map);

}

​

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

 *                                                                            *

 * Purpose: parse diagnostic section request having json format               *

 *          {"stats":[<field1>,<field2>,...], "top":{<field1>:<limit1>,...}}  *

 *                                                                            *

 * Parameters: jp         - [IN] the request                                  *

 *             field_map  - [IN] a map of supported statistic field names to  *

 *                               bitmasks                                     *

 *             field_mask - [OUT] the bitmask of the requested fields         *

 *             top_views  - [OUT] the requested top views                     *

 *             error      - [OUT] error message                               *

 *                                                                            *

 * Return value: SUCCEED - the request was parsed successfully                *

 *               FAIL    - otherwise                                          *

 *                                                                            *

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

int zbx_diag_parse_request(const struct zbx_json_parse *jp, const zbx_diag_map_t *field_map,

        zbx_uint64_t *field_mask, zbx_vector_diag_map_ptr_t *top_views, char **error)

{

    struct zbx_json_parse   jp_stats;

    int         ret = FAIL;

    const char      *pnext = NULL;

    char            name[ZBX_DIAG_FIELD_MAX + 1], value[MAX_ID_LEN + 1];

    zbx_uint64_t        value_ui64;

​

    *field_mask = 0;

​

    /* parse requested statistics fields */

    if (SUCCEED == zbx_json_brackets_by_name(jp, "stats", &jp_stats))

    {

        while (NULL != (pnext = zbx_json_next(&jp_stats, pnext)))

        {

            if (NULL != zbx_json_decodevalue(pnext, name, sizeof(name), NULL))

            {

                const zbx_diag_map_t    *stat;

​

                for (stat = field_map;; stat++)

                {