Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "lld.h"

#include "zbxserver.h"

​

#include "../db_lengths.h"

#include "log.h"

#include "zbxregexp.h"

#include "zbxprometheus.h"

#include "zbxxml.h"

#include "zbxnum.h"

#include "zbxdbwrap.h"

​

#include "audit/zbxaudit.h"

#include "audit/zbxaudit_item.h"

​

typedef zbx_lld_item_full_t zbx_lld_item_t;

​

#define ZBX_DEPENDENT_ITEM_MAX_COUNT    29999

#define ZBX_DEPENDENT_ITEM_MAX_LEVELS   3

​

typedef struct

{

    zbx_uint64_t        itemid;

    zbx_uint64_t        master_itemid;

    unsigned char       item_flags;

}

zbx_item_dependence_t;

​

typedef struct

{

    zbx_uint64_t    item_preprocid;

    int     step;

    int     type;

    int     type_orig;

    int     error_handler;

    int     error_handler_orig;

    char        *params;

    char        *params_orig;

    char        *error_handler_params;

    char        *error_handler_params_orig;

​

#define ZBX_FLAG_LLD_ITEM_PREPROC_UNSET             __UINT64_C(0x00)

#define ZBX_FLAG_LLD_ITEM_PREPROC_DISCOVERED            __UINT64_C(0x01)

#define ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_TYPE           __UINT64_C(0x02)

#define ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_PARAMS         __UINT64_C(0x04)

#define ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_ERROR_HANDLER      __UINT64_C(0x08)

#define ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_ERROR_HANDLER_PARAMS   __UINT64_C(0x10)

#define ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_STEP           __UINT64_C(0x20)

#define ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE                \

        (ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_TYPE |        \

        ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_PARAMS |       \

        ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_ERROR_HANDLER |    \

        ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_ERROR_HANDLER_PARAMS | \

        ZBX_FLAG_LLD_ITEM_PREPROC_UPDATE_STEP           \

        )

    zbx_uint64_t    flags;

}

zbx_lld_item_preproc_t;

​

static zbx_lld_item_preproc_t   *zbx_init_lld_item_preproc(zbx_uint64_t item_preprocid, zbx_uint64_t flags,

        int step, int type, const char *params, int error_handler, const char *error_handler_params)

​

{

    zbx_lld_item_preproc_t  *preproc_op;

​

    preproc_op = (zbx_lld_item_preproc_t *)zbx_malloc(NULL, sizeof(zbx_lld_item_preproc_t));

    preproc_op->flags = flags;

    preproc_op->item_preprocid = item_preprocid;

    preproc_op->step = step;

    preproc_op->type = type;

    /* Note: temporary initialization to 0 which is not a valid value for 'type'. */

    /* Must be set later when the value is known. */

    preproc_op->type_orig = 0;