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/>.

**/

​

#ifndef ZABBIX_CACHEHISTORY_H

#define ZABBIX_CACHEHISTORY_H

​

#include "zbxtrends.h"

#include "zbxhistory.h"

#include "zbxcacheconfig.h"

#include "zbxshmem.h"

#include "zbxipcservice.h"

​

#define ZBX_HC_PROXYQUEUE_STATE_NORMAL 0

#define ZBX_HC_PROXYQUEUE_STATE_WAIT 1

​

/* the maximum time spent synchronizing history */

#define ZBX_HC_SYNC_TIME_MAX    10

​

/* the maximum number of items in one synchronization batch */

#define ZBX_HC_SYNC_MAX     1000

#define ZBX_HC_TIMER_MAX    (ZBX_HC_SYNC_MAX / 2)

#define ZBX_HC_TIMER_SOFT_MAX   (ZBX_HC_TIMER_MAX - 10)

​

#define ZBX_SYNC_DONE       0

#define ZBX_SYNC_MORE       1

​

typedef struct

{

    zbx_uint64_t    history_counter;    /* the total number of processed values */

    zbx_uint64_t    history_float_counter;  /* the number of processed float values */

    zbx_uint64_t    history_uint_counter;   /* the number of processed uint values */

    zbx_uint64_t    history_str_counter;    /* the number of processed str values */

    zbx_uint64_t    history_log_counter;    /* the number of processed log values */

    zbx_uint64_t    history_text_counter;   /* the number of processed text values */

    zbx_uint64_t    history_bin_counter;    /* the number of processed bin values */

    zbx_uint64_t    notsupported_counter;   /* the number of processed not supported items */

}

zbx_dc_stats_t;

​

/* the write cache statistics */

typedef struct

{

    zbx_dc_stats_t  stats;

    zbx_uint64_t    history_free;

    zbx_uint64_t    history_total;

    zbx_uint64_t    index_free;

    zbx_uint64_t    index_total;

    zbx_uint64_t    trend_free;

    zbx_uint64_t    trend_total;

}

zbx_wcache_info_t;

​