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 "pg_cache.h"

#include "zbxcommon.h"

#include "version.h"

#include "zbxcacheconfig.h"

#include "zbxdbhigh.h"

#include "zbxpgservice.h"

#include "zbxtime.h"

#include "zbxversion.h"

​

#define PG_GROUP_UNBALANCE_FACTOR   2

#define PG_GROUP_UNBALANCE_LIMIT    10

​

#define PG_GROUP_UNBALANCED_YES     1

#define PG_GROUP_UNBALANCED_NO      0

​

ZBX_VECTOR_IMPL(pg_update, zbx_pg_update_t)

​

typedef struct

{

    zbx_pg_proxy_t          *proxy;

    zbx_vector_pg_host_ref_ptr_t    host_refs;

    int             hosts_num;

}

zbx_pg_proxy_hosts_t;

​

ZBX_PTR_VECTOR_DECL(pg_proxy_hosts_ptr, zbx_pg_proxy_hosts_t *)

ZBX_PTR_VECTOR_IMPL(pg_proxy_hosts_ptr, zbx_pg_proxy_hosts_t *)

​

static void pg_proxy_hosts_free(zbx_pg_proxy_hosts_t *ph)

{

    zbx_vector_pg_host_ref_ptr_destroy(&ph->host_refs);

    zbx_free(ph);

}

​

static int  pg_host_ref_compare_by_revision(const void *d1, const void *d2)

{

    const zbx_pg_host_ref_t *hr1 = *(const zbx_pg_host_ref_t * const *)d1;

    const zbx_pg_host_ref_t *hr2 = *(const zbx_pg_host_ref_t * const *)d2;

​

    ZBX_RETURN_IF_NOT_EQUAL(hr1->host->revision, hr2->host->revision);

​

    return 0;

}

​

void    pg_cache_lock(zbx_pg_cache_t *cache)

{

    pthread_mutex_lock(&cache->lock);

}

​