1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
** 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_ASYNCPOLLER_H
#define ZABBIX_ASYNCPOLLER_H
#include "zbxcommon.h"
#define ZBX_RES_CONF_FILE "/etc/resolv.conf"
#ifdef HAVE_LIBEVENT
#include <event2/dns.h>
#include <event2/event.h>
typedef enum
{
ZBX_ASYNC_TASK_READ,
ZBX_ASYNC_TASK_WRITE,
ZBX_ASYNC_TASK_STOP,
ZBX_ASYNC_TASK_RESOLVE_REVERSE
}
zbx_async_task_state_t;
typedef enum
{
ZABBIX_ASYNC_STEP_DEFAULT = 0,
ZABBIX_ASYNC_STEP_REVERSE_DNS,
}
zbx_async_rdns_step_t;
typedef enum
{
ZABBIX_ASYNC_RESOLVE_REVERSE_DNS_NO = 0,
ZABBIX_ASYNC_RESOLVE_REVERSE_DNS_YES,
}
zbx_async_resolve_reverse_dns_t;
typedef int (*zbx_async_task_process_cb_t)(short event, void *data, int *fd, struct evutil_addrinfo **current_ai,
const char *addr, char *dnserr, struct event *timeout_event);
typedef void (*zbx_async_task_clear_cb_t)(void *data);
zbx_async_task_state_t zbx_async_poller_get_task_state_for_event(short event);
void zbx_async_poller_add_task(struct event_base *ev, struct evdns_base *dnsbase, const char *addr,
void *data, int timeout, zbx_async_task_process_cb_t process_cb, zbx_async_task_clear_cb_t clear_cb);
const char *zbx_resolv_conf_errstr(int error);
const char *zbx_get_event_string(short event);
const char *zbx_task_state_to_str(zbx_async_task_state_t task_state);
void zbx_async_dns_update_host_addresses(struct evdns_base *dnsbase);
#endif
#endif
|
