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.

**/

​

#ifndef ZABBIX_AVAILABILITY_H

#define ZABBIX_AVAILABILITY_H

​

#include "zbxtypes.h"

#include "zbxdbhigh.h"

#include "zbxipcservice.h"

​

/* interface availability */

#define INTERFACE_AVAILABLE_UNKNOWN     0

#define INTERFACE_AVAILABLE_TRUE        1

#define INTERFACE_AVAILABLE_FALSE       2

​

#define ZBX_IPC_SERVICE_AVAILABILITY        "availability"

#define ZBX_IPC_AVAILABILITY_REQUEST        1

#define ZBX_IPC_AVAILMAN_ACTIVE_HB      2

#define ZBX_IPC_AVAILMAN_ACTIVE_HOSTDATA    3

#define ZBX_IPC_AVAILMAN_ACTIVE_STATUS      4

#define ZBX_IPC_AVAILMAN_CONFSYNC_DIFF      5

#define ZBX_IPC_AVAILMAN_PROCESS_PROXY_HOSTDATA 6

#define ZBX_IPC_AVAILMAN_ACTIVE_PROXY_HB_UPDATE 7

#define ZBX_AVAIL_SERVER_CONN_TIMEOUT       3600

​

/* agent (ZABBIX, SNMP, IPMI, JMX) availability data */

typedef struct

{

    /* flags specifying which fields are set, see ZBX_FLAGS_AGENT_STATUS_* defines */

    unsigned char   flags;

​

    /* agent availability fields */

    unsigned char   available;

    char        *error;

    int     errors_from;

    int     disable_until;

}

zbx_agent_availability_t;

​

#define ZBX_FLAGS_AGENT_STATUS_NONE     0x00000000

#define ZBX_FLAGS_AGENT_STATUS_AVAILABLE    0x00000001

#define ZBX_FLAGS_AGENT_STATUS_ERROR        0x00000002

#define ZBX_FLAGS_AGENT_STATUS_ERRORS_FROM  0x00000004

#define ZBX_FLAGS_AGENT_STATUS_DISABLE_UNTIL    0x00000008

​

#define ZBX_FLAGS_AGENT_STATUS      (ZBX_FLAGS_AGENT_STATUS_AVAILABLE | \

                    ZBX_FLAGS_AGENT_STATUS_ERROR |      \

                    ZBX_FLAGS_AGENT_STATUS_ERRORS_FROM |    \

                    ZBX_FLAGS_AGENT_STATUS_DISABLE_UNTIL)

​

typedef struct

{

    zbx_uint64_t            interfaceid;

    zbx_agent_availability_t    agent;

    /* ensure chronological order in case of flapping interface availability */

    int             id;

}

zbx_interface_availability_t;

​

ZBX_PTR_VECTOR_DECL(availability_ptr, zbx_interface_availability_t *)

​

#define ZBX_IPC_SERVICE_AVAILABILITY    "availability"

​

void    zbx_availability_send(zbx_uint32_t code, unsigned char *data, zbx_uint32_t size, zbx_ipc_message_t *response);

void    zbx_availabilities_flush(const zbx_vector_availability_ptr_t *interface_availabilities);

​

typedef struct

{

    zbx_hashset_t       hosts;

    zbx_hashset_t       queue;

    zbx_hashset_t       proxy_avail;

    double          last_status_refresh;

    double          last_proxy_avail_refresh;

}

zbx_avail_active_hb_cache_t;