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/>.

**/

​

#ifndef ZABBIX_AVAILABILITY_H

#define ZABBIX_AVAILABILITY_H

​

#include "zbxtypes.h"

#include "zbxdbhigh.h"

#include "zbxipcservice.h"

#include "zbxthreads.h"

​

/* 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 *)

​

int zbx_interface_availability_compare_func(const void *d1, const void *d2);

​

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;

​

typedef struct

{

    zbx_uint64_t    hostid;

    int     lastaccess_active;

    int     heartbeat_freq;

    int     active_status;

}

zbx_host_active_avail_t;

​

typedef struct

{

    zbx_uint64_t    hostid;

    int     status;

}

zbx_proxy_hostdata_t;

​

ZBX_PTR_VECTOR_DECL(proxy_hostdata_ptr, zbx_proxy_hostdata_t *)

​