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 "async_poller.h"

#include "zbxpoller.h"

​

#include "async_manager.h"

#include "async_httpagent.h"

#include "async_agent.h"

#include "checks_snmp.h"

​

#include "zbxasynchttppoller.h"

#include "zbxlog.h"

#include "zbxalgo.h"

#include "zbxcommon.h"

#include "zbx_item_constants.h"

#include "zbxpreproc.h"

#include "zbxself.h"

#include "zbxnix.h"

#include "zbx_rtc_constants.h"

#include "zbxrtc.h"

#include "zbx_availability_constants.h"

#include "zbxcacheconfig.h"

#include "zbxcomms.h"

#include "zbxhttp.h"

#include "zbxipcservice.h"

#include "zbxthreads.h"

#include "zbxtime.h"

#include "zbxtypes.h"

#include "zbxasyncpoller.h"

​

#include <event2/dns.h>

​

#ifndef EVDNS_BASE_INITIALIZE_NAMESERVERS

#   define EVDNS_BASE_INITIALIZE_NAMESERVERS    1

#endif

​

static void process_async_result(zbx_dc_item_context_t *item, zbx_poller_config_t *poller_config)

{

    zbx_timespec_t      timespec;

    zbx_interface_status_t  *interface_status;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() key:'%s' host:'%s' addr:'%s'", __func__, item->key, item->host,

            item->interface.addr);

​

    zbx_timespec(&timespec);

​

    /* don't try activating interface if there were no errors detected */

    if (SUCCEED != item->ret || ZBX_INTERFACE_AVAILABLE_TRUE != item->interface.available ||

            0 != item->interface.errors_from || item->version != item->interface.version)

    {

        if (NULL == (interface_status = zbx_hashset_search(&poller_config->interfaces,

                &item->interface.interfaceid)))

        {

            zbx_interface_status_t  interface_status_local = {.interface = item->interface};

​

            interface_status_local.interface.addr = NULL;

            interface_status = zbx_hashset_insert(&poller_config->interfaces,

                    &interface_status_local, sizeof(interface_status_local));

        }

        else

            zabbix_log(LOG_LEVEL_DEBUG, "updating existing interface");

​

        zbx_free(interface_status->error);

        interface_status->errcode = item->ret;

        interface_status->itemid = item->itemid;

        zbx_strlcpy(interface_status->host, item->host, sizeof(interface_status->host));

        zbx_free(interface_status->key_orig);

        interface_status->key_orig = item->key_orig;

        item->key_orig = NULL;

        interface_status->version = item->version;

    }

​

    if (SUCCEED == item->ret)

    {

        if (ZBX_IS_RUNNING())

        {

            zbx_preprocess_item_value(item->itemid,

                item->hostid,item->value_type,item->flags,

                &item->result, &timespec, ITEM_STATE_NORMAL, NULL);