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 "zbxpoller.h"

​

#include "zbx_availability_constants.h"

#include "zbxavailability.h"

#include "zbxcacheconfig.h"

#include "zbxdbhigh.h"

#include "zbxtime.h"

​

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

 *                                                                            *

 * Purpose: write interface availability changes into database                *

 *                                                                            *

 * Parameters: data        - [IN/OUT] the serialized availability data        *

 *             data_alloc  - [IN/OUT] the serialized availability data size   *

 *             data_alloc  - [IN/OUT] the serialized availability data offset *

 *             ia          - [IN] the interface availability data             *

 *                                                                            *

 * Return value: SUCCEED - the availability changes were written into db      *

 *               FAIL    - no changes in availability data were detected      *

 *                                                                            *

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

static int  update_interface_availability(unsigned char **data, size_t *data_alloc, size_t *data_offset,

        const zbx_interface_availability_t *ia)

{

    if (FAIL == zbx_interface_availability_is_set(ia))

        return FAIL;

​

    zbx_availability_serialize_interface(data, data_alloc, data_offset, ia);

​

    return SUCCEED;

}

​

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

 *                                                                            *

 * Purpose: get interface availability data                                   *

 *                                                                            *

 * Parameters: dc_interface - [IN] the interface                              *

 *             ia           - [OUT] the interface availability data           *

 *                                                                            *

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

static void interface_get_availability(const zbx_dc_interface_t *dc_interface, zbx_interface_availability_t *ia)

{

    zbx_agent_availability_t    *availability = &ia->agent;

​