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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

Cokiee Shell

Current Path : /var/www/web28/html/wp-content/plugins/matomo/app/core/ArchiveProcessor/

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Current File : //var/www/web28/html/wp-content/plugins/matomo/app/core/ArchiveProcessor/LoaderLock.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\ArchiveProcessor;

use Piwik\Db;
use Piwik\SettingsPiwik;
class LoaderLock
{
    public const MAX_LEN_LOCK_NAME = 64;
    public const MAX_LOCK_TIME = 60;
    //in seconds
    protected $id;
    /**
     * @param string $id
     * @throws \Exception
     */
    public function __construct($id)
    {
        // instanceId is needed for multi tenant database solution
        $id = SettingsPiwik::getPiwikInstanceId() . $id;
        if (mb_strlen($id) >= self::MAX_LEN_LOCK_NAME) {
            //convert ot prefix and md5 full length
            $id = mb_substr($id, 0, 32) . md5($id);
        }
        $this->id = $id;
    }
    public function setLock()
    {
        Db::fetchOne('SELECT GET_LOCK(?,?)', array($this->id, self::MAX_LOCK_TIME));
    }
    public function unLock()
    {
        Db::query('DO RELEASE_LOCK(?)', array($this->id));
    }
    public function getId()
    {
        return $this->id;
    }
    /**
     * @description check if the lock is available to user
     * @param string $key
     * @return bool
     * @throws \Exception
     */
    public static function isLockAvailable($key)
    {
        return (bool) Db::fetchOne('SELECT IS_FREE_LOCK(?)', [$key]);
    }
}

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