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 "housekeeper_proxy.h"

​

#include "zbxlog.h"

#include "zbxnix.h"

#include "zbxself.h"

#include "zbxcacheconfig.h"

#include "zbxrtc.h"

#include "zbxnum.h"

#include "zbxtime.h"

#include "zbx_rtc_constants.h"

#include "zbxipcservice.h"

#include "zbxdbhigh.h"

#include "zbxdb.h"

​

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

 *                                                                            *

 * Purpose: remove outdated information from historical table                 *

 *                                                                            *

 * Parameters: table                 - [IN]                                   *

 *             lastid_field          - [IN] lastid field name in ids table    *

 *             clock_field           - [IN] record creation timestamp field   *

 *             now                   - [IN] current timestamp                 *

 *             config_offline_buffer - [IN] hours to keep data when offline   *

 *             config_local_buffer   - [IN] hours to keep data                *

 *                                                                            *

 * Return value: number of rows records                                       *

 *                                                                            *

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

static int  delete_history(const char *table, const char *lastid_field, const char *clock_field, int now,

        int config_offline_buffer, int config_local_buffer)

{

    zbx_db_result_t result;

    zbx_db_row_t    row;

    int     records = 0;

    zbx_uint64_t    lastid, maxid;

    char        *condition = NULL;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() table:'%s' now:%d", __func__, table, now);

​

    zbx_db_begin();

​

    result = zbx_db_select(

            "select nextid"

            " from ids"

            " where table_name='%s'"

                " and field_name='%s'",

            table, lastid_field);

​

    if (NULL == (row = zbx_db_fetch(result)))