Zabbix

/*

** Copyright (C) 2001-2024 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 "zbxavailability.h"

#include "zbx_availability_constants.h"

​

#include "zbxtimekeeper.h"

#include "zbxlog.h"

#include "zbxself.h"

#include "zbxipcservice.h"

#include "zbxnix.h"

#include "zbxnum.h"

#include "zbxtime.h"

#include "zbxalgo.h"

#include "zbxdb.h"

#include "zbxthreads.h"

​

#define AVAILABILITY_MANAGER_PROXY_ACTIVE_AVAIL_DELAY_SEC   (SEC_PER_MIN * 10)

​

typedef struct

{

    zbx_uint64_t    hostid;

    time_t      lastaccess;

}

zbx_active_avail_proxy_t;

​

static sigset_t orig_mask;

​

static int  interface_availability_compare(const void *d1, const void *d2)

{

    const zbx_interface_availability_t  *ia1 = *(const zbx_interface_availability_t * const *)d1;

    const zbx_interface_availability_t  *ia2 = *(const zbx_interface_availability_t * const *)d2;

​

    ZBX_RETURN_IF_NOT_EQUAL(ia1->interfaceid, ia2->interfaceid);

​

    return ia1->id - ia2->id;

}

​

static void process_new_active_check_heartbeat(zbx_avail_active_hb_cache_t *cache,

        zbx_host_active_avail_t *avail_new)

{

    zbx_host_active_avail_t *avail_cached, *avail_queued;

​

    if (NULL == (avail_cached = zbx_hashset_search(&cache->hosts, &avail_new->hostid)))

    {

        avail_new->active_status = ZBX_INTERFACE_AVAILABLE_TRUE;

​

        zbx_hashset_insert(&cache->hosts, avail_new, sizeof(zbx_host_active_avail_t));

​

        if (NULL == (avail_queued = zbx_hashset_search(&cache->queue, &avail_new->hostid)))

        {

            zbx_hashset_insert(&cache->queue, avail_new, sizeof(zbx_host_active_avail_t));