Zabbix

/*

** Copyright (C) 2001-2024 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 "zbxsysinfo.h"

#include "../sysinfo.h"

​

static vm_size_t    pagesize = 0;

​

static struct vm_statistics vm;

static mach_msg_type_number_t   count;

​

#define ZBX_HOST_STATISTICS(value)                                      \

                                                        \

    count = HOST_VM_INFO_COUNT;                                     \

    if (KERN_SUCCESS != host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&value, &count))   \

    {                                                   \

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain host statistics."));         \

        return SYSINFO_RET_FAIL;                                    \

    }

​

static int      mib[] = {CTL_HW, HW_MEMSIZE};

static size_t       len;

static zbx_uint64_t memsize;

​

#define ZBX_SYSCTL(value)                                           \

                                                        \

    len = sizeof(value);                                            \

    if (0 != sysctl(mib, 2, &value, &len, NULL, 0))                             \

    {                                                   \

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s",       \

                zbx_strerror(errno)));                              \

        return SYSINFO_RET_FAIL;                                    \

    }

​

static int  vm_memory_total(AGENT_RESULT *result)

{

    ZBX_SYSCTL(memsize);

​

    SET_UI64_RESULT(result, memsize);

​

    return SYSINFO_RET_OK;

}

​

static int  vm_memory_active(AGENT_RESULT *result)

{

    ZBX_HOST_STATISTICS(vm);

​

    SET_UI64_RESULT(result, (zbx_uint64_t)vm.active_count * pagesize);

​

    return SYSINFO_RET_OK;

}

​