<?php
declare(strict_types=1);
namespace PhpMyAdmin\Server\SysInfo;
use function explode;
use function is_readable;
use function shell_exec;
use function trim;
/**
* SunOS based SysInfo class
*/
class SunOs extends Base
{
/**
* The OS name
*
* @var string
*/
public $os = 'SunOS';
/**
* Read value from kstat
*
* @param string $key Key to read
*
* @return string with value
*/
private function kstat($key)
{
/** @psalm-suppress ForbiddenCode */
$m = shell_exec('kstat -p d ' . $key);
if ($m) {
[, $value] = explode("\t", trim($m), 2);
return $value;
}
return '';
}
/**
* Gets load information
*
* @return array with load data
*/
public function loadavg()
{
$load1 = $this->kstat('unix:0:system_misc:avenrun_1min');
return ['loadavg' => $load1];
}
/**
* Checks whether class is supported in this environment
*/
public function supported(): bool
{
return @is_readable('/proc/meminfo');
}
/**
* Gets information about memory usage
*
* @return array with memory usage data
*/
public function memory()
{
$pagesize = (int) $this->kstat('unix:0:seg_cache:slab_size');
$mem = [];
$mem['MemTotal'] = (int) $this->kstat('unix:0:system_pages:pagestotal') * $pagesize;
$mem['MemUsed'] = (int) $this->kstat('unix:0:system_pages:pageslocked') * $pagesize;
$mem['MemFree'] = (int) $this->kstat('unix:0:system_pages:pagesfree') * $pagesize;
$mem['SwapTotal'] = (int) $this->kstat('unix:0:vminfo:swap_avail') / 1024;
$mem['SwapUsed'] = (int) $this->kstat('unix:0:vminfo:swap_alloc') / 1024;
$mem['SwapFree'] = (int) $this->kstat('unix:0:vminfo:swap_free') / 1024;
return $mem;
}
}