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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Hold PhpMyAdmin\SysInfoSunOS class
*
* @package PhpMyAdmin
*/
declare(strict_types=1);
namespace PhpMyAdmin;
use PhpMyAdmin\SysInfoBase;
/**
* SunOS based SysInfo class
*
* @package PhpMyAdmin
*/
class SysInfoSunOS extends SysInfoBase
{
public $os = 'SunOS';
/**
* Read value from kstat
*
* @param string $key Key to read
*
* @return string with value
*/
private function _kstat($key)
{
if ($m = shell_exec('kstat -p d ' . $key)) {
list(, $value) = preg_split("/\t/", trim($m), 2);
return $value;
} else {
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
*
* @return true on success
*/
public function supported()
{
return @is_readable('/proc/meminfo');
}
/**
* Gets information about memory usage
*
* @return array with memory usage data
*/
public function memory()
{
$pagesize = $this->_kstat('unix:0:seg_cache:slab_size');
$mem = [];
$mem['MemTotal']
= $this->_kstat('unix:0:system_pages:pagestotal') * $pagesize;
$mem['MemUsed']
= $this->_kstat('unix:0:system_pages:pageslocked') * $pagesize;
$mem['MemFree']
= $this->_kstat('unix:0:system_pages:pagesfree') * $pagesize;
$mem['SwapTotal'] = $this->_kstat('unix:0:vminfo:swap_avail') / 1024;
$mem['SwapUsed'] = $this->_kstat('unix:0:vminfo:swap_alloc') / 1024;
$mem['SwapFree'] = $this->_kstat('unix:0:vminfo:swap_free') / 1024;
return $mem;
}
}
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