phpmyadmin/libraries/classes/Server/SysInfo/SunOs.php
Kamil Tekiela 555c6798eb Add native param types
Includes TypeHints.UnionTypeHintFormat

Signed-off-by: Kamil Tekiela <tekiela246@gmail.com>
2023-03-17 12:45:18 +00:00

75 lines
1.8 KiB
PHP

<?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
{
/**
* Read value from kstat
*
* @param string $key Key to read
*
* @return string with value
*/
private function kstat(string $key): string
{
/** @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<string, int> with load data
*/
public function loadavg(): array
{
return ['loadavg' => (int) $this->kstat('unix:0:system_misc:avenrun_1min')];
}
/**
* Checks whether class is supported in this environment
*/
public static function isSupported(): bool
{
return @is_readable('/proc/meminfo');
}
/**
* Gets information about memory usage
*
* @return array<string, int> with memory usage data
*/
public function memory(): array
{
$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) ((int) $this->kstat('unix:0:vminfo:swap_avail') / 1024);
$mem['SwapUsed'] = (int) ((int) $this->kstat('unix:0:vminfo:swap_alloc') / 1024);
$mem['SwapFree'] = (int) ((int) $this->kstat('unix:0:vminfo:swap_free') / 1024);
return $mem;
}
}