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141 lines
5.2 KiB
141 lines
5.2 KiB
/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#ifndef ZABBIX_AVAILABILITY_H
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#define ZABBIX_AVAILABILITY_H
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#include "zbxtypes.h"
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#include "zbxdbhigh.h"
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#include "zbxipcservice.h"
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#include "zbxthreads.h"
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/* agent (ZABBIX, SNMP, IPMI, JMX) availability data */
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typedef struct
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{
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/* flags specifying which fields are set, see ZBX_FLAGS_AGENT_STATUS_* defines */
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unsigned char flags;
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/* agent availability fields */
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unsigned char available;
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char *error;
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int errors_from;
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int disable_until;
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}
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zbx_agent_availability_t;
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#define ZBX_FLAGS_AGENT_STATUS_NONE 0x00000000
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#define ZBX_FLAGS_AGENT_STATUS_AVAILABLE 0x00000001
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#define ZBX_FLAGS_AGENT_STATUS_ERROR 0x00000002
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#define ZBX_FLAGS_AGENT_STATUS_ERRORS_FROM 0x00000004
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#define ZBX_FLAGS_AGENT_STATUS_DISABLE_UNTIL 0x00000008
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#define ZBX_FLAGS_AGENT_STATUS (ZBX_FLAGS_AGENT_STATUS_AVAILABLE | \
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ZBX_FLAGS_AGENT_STATUS_ERROR | \
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ZBX_FLAGS_AGENT_STATUS_ERRORS_FROM | \
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ZBX_FLAGS_AGENT_STATUS_DISABLE_UNTIL)
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typedef struct
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{
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zbx_uint64_t interfaceid;
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zbx_agent_availability_t agent;
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/* ensure chronological order in case of flapping interface availability */
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int id;
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}
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zbx_interface_availability_t;
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ZBX_PTR_VECTOR_DECL(availability_ptr, zbx_interface_availability_t *)
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void zbx_availability_send(zbx_uint32_t code, unsigned char *data, zbx_uint32_t size, zbx_ipc_message_t *response);
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void zbx_availabilities_flush(const zbx_vector_availability_ptr_t *interface_availabilities);
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typedef struct
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{
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zbx_hashset_t hosts;
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zbx_hashset_t queue;
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zbx_hashset_t proxy_avail;
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double last_status_refresh;
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double last_proxy_avail_refresh;
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}
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zbx_avail_active_hb_cache_t;
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typedef struct
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{
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zbx_uint64_t hostid;
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int lastaccess_active;
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int heartbeat_freq;
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int active_status;
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}
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zbx_host_active_avail_t;
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typedef struct
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{
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zbx_uint64_t hostid;
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int status;
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}
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zbx_proxy_hostdata_t;
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ZBX_PTR_VECTOR_DECL(proxy_hostdata_ptr, zbx_proxy_hostdata_t *)
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void zbx_availability_serialize_json_hostdata(zbx_vector_proxy_hostdata_ptr_t *hostdata, struct zbx_json *j);
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int zbx_get_active_agent_availability(zbx_uint64_t hostid);
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void zbx_interface_availability_init(zbx_interface_availability_t *availability, zbx_uint64_t interfaceid);
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void zbx_interface_availability_clean(zbx_interface_availability_t *ia);
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void zbx_interface_availability_free(zbx_interface_availability_t *availability);
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void zbx_agent_availability_init(zbx_agent_availability_t *agent, unsigned char available, const char *error,
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int errors_from, int disable_until);
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int zbx_interface_availability_is_set(const zbx_interface_availability_t *ia);
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void zbx_db_update_interface_availabilities(const zbx_vector_availability_ptr_t *interface_availabilities);
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void zbx_availability_serialize_interface(unsigned char **data, size_t *data_alloc, size_t *data_offset,
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const zbx_interface_availability_t *interface_availability);
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void zbx_availability_deserialize(const unsigned char *data, zbx_uint32_t size,
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zbx_vector_availability_ptr_t *interface_availabilities);
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void zbx_availability_deserialize_active_hb(const unsigned char *data, zbx_host_active_avail_t *avail);
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zbx_uint32_t zbx_availability_serialize_active_heartbeat(unsigned char **data, zbx_uint64_t hostid,
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int heartbeat_freq);
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zbx_uint32_t zbx_availability_serialize_hostdata(unsigned char **data, zbx_hashset_t *queue);
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void zbx_availability_deserialize_hostdata(const unsigned char *data, zbx_vector_proxy_hostdata_ptr_t *hostdata);
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zbx_uint32_t zbx_availability_serialize_active_status_request(unsigned char **data, zbx_uint64_t hostid);
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void zbx_availability_deserialize_active_status_request(const unsigned char *data, zbx_uint64_t *hostid);
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zbx_uint32_t zbx_availability_serialize_active_status_response(unsigned char **data, int status);
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void zbx_availability_deserialize_active_status_response(const unsigned char *data, int *status);
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zbx_uint32_t zbx_availability_serialize_proxy_hostdata(unsigned char **data, zbx_vector_proxy_hostdata_ptr_t *hosts,
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zbx_uint64_t proxyid);
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void zbx_availability_deserialize_proxy_hostdata(const unsigned char *data,
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zbx_vector_proxy_hostdata_ptr_t *hostdata, zbx_uint64_t *proxyid);
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zbx_uint32_t zbx_availability_serialize_hostids(unsigned char **data, zbx_vector_uint64_t *hostids);
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void zbx_availability_deserialize_hostids(const unsigned char *data, zbx_vector_uint64_t *hostids);
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void zbx_availability_deserialize_active_proxy_hb_update(const unsigned char *data, zbx_uint64_t *hostid);
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ZBX_THREAD_ENTRY(zbx_availability_manager_thread, args);
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#endif /* ZABBIX_AVAILABILITY_H */
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