Zabbix

/*

** Zabbix

** Copyright (C) 2001-2022 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.

**/

​

#ifndef ZABBIX_PREPROCESSING_H

#define ZABBIX_PREPROCESSING_H

​

#include "common.h"

#include "module.h"

#include "dbcache.h"

#include "preproc.h"

#include "zbxalgo.h"

​

#define ZBX_IPC_SERVICE_PREPROCESSING   "preprocessing"

​

#define ZBX_IPC_PREPROCESSOR_WORKER         1

#define ZBX_IPC_PREPROCESSOR_REQUEST            2

#define ZBX_IPC_PREPROCESSOR_RESULT         3

#define ZBX_IPC_PREPROCESSOR_QUEUE          4

#define ZBX_IPC_PREPROCESSOR_TEST_REQUEST       5

#define ZBX_IPC_PREPROCESSOR_TEST_RESULT        6

#define ZBX_IPC_PREPROCESSOR_DIAG_STATS         7

#define ZBX_IPC_PREPROCESSOR_DIAG_STATS_RESULT      8

#define ZBX_IPC_PREPROCESSOR_TOP_ITEMS          9

#define ZBX_IPC_PREPROCESSOR_TOP_ITEMS_RESULT       10

#define ZBX_IPC_PREPROCESSOR_TOP_OLDEST_PREPROC_ITEMS   11

​

typedef struct {

    AGENT_RESULT    *result;

    int     refcount;

}zbx_result_ptr_t;

​

/* item value data used in preprocessing manager */

typedef struct

{

    zbx_uint64_t        itemid;      /* item id */

    zbx_uint64_t        hostid;      /* host id */

    unsigned char       item_value_type; /* item value type */

    zbx_result_ptr_t    *result_ptr;     /* item value (if any) to be shared between master and dependent items */

    zbx_timespec_t      *ts;         /* timestamp of a value */

    char            *error;      /* error message (if any) */

    unsigned char       item_flags;  /* item flags */

    unsigned char       state;       /* item state */

}

zbx_preproc_item_value_t;

​

zbx_uint32_t    zbx_preprocessor_pack_task(unsigned char **data, zbx_uint64_t itemid, unsigned char value_type,

        zbx_timespec_t *ts, zbx_variant_t *value, const zbx_vector_ptr_t *history,