Current File : //backups/router/usr/local/opnsense/scripts/health/library/OPNsense/RRD/Stats/Memory.php
<?php
/*
* Copyright (C) 2024 Deciso B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace OPNsense\RRD\Stats;
class Memory extends Base
{
public function run()
{
$sysctls = [
'vm.stats.vm.v_page_count',
'vm.stats.vm.v_active_count',
'vm.stats.vm.v_inactive_count',
'vm.stats.vm.v_free_count',
'vm.stats.vm.v_cache_count',
'vm.stats.vm.v_wire_count'
];
$memory = $this->shellCmd('/sbin/sysctl ' . implode(' ', $sysctls));
if (!empty($memory)) {
$percentages = [];
$data = [];
foreach ($memory as $idx => $item) {
// strip vm.stats.vm.v_ and collect into $result
$tmp = explode(':', substr($item, 14));
$data[$tmp[0]] = trim($tmp[1]);
if ($idx > 0) {
$percentages[explode('_', $tmp[0])[0]] = ($data[$tmp[0]] / $data['page_count']) * 100.0;
}
}
return $percentages;
}
return [];
}
}
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