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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Christoph Wurst <[email protected]> |
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* @author Lukas Reschke <[email protected]> |
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* @author Robin Appelman <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\Files\BackgroundJob; |
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use OC\Files\Utils\Scanner; |
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use OCP\DB\QueryBuilder\IQueryBuilder; |
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use OCP\EventDispatcher\IEventDispatcher; |
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use OCP\IConfig; |
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use OCP\IDBConnection; |
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use OCP\ILogger; |
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use OCP\IUserManager; |
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/** |
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* Class ScanFiles is a background job used to run the file scanner over the user |
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* accounts to ensure integrity of the file cache. |
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* |
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* @package OCA\Files\BackgroundJob |
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*/ |
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class ScanFiles extends \OC\BackgroundJob\TimedJob { |
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/** @var IConfig */ |
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private $config; |
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/** @var IUserManager */ |
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private $userManager; |
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/** @var IEventDispatcher */ |
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private $dispatcher; |
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/** @var ILogger */ |
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private $logger; |
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private $connection; |
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/** Amount of users that should get scanned per execution */ |
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public const USERS_PER_SESSION = 500; |
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/** |
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* @param IConfig $config |
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* @param IUserManager $userManager |
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* @param IEventDispatcher $dispatcher |
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* @param ILogger $logger |
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* @param IDBConnection $connection |
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*/ |
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public function __construct( |
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IConfig $config, |
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IUserManager $userManager, |
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IEventDispatcher $dispatcher, |
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ILogger $logger, |
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IDBConnection $connection |
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) { |
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// Run once per 10 minutes |
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$this->setInterval(60 * 10); |
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$this->config = $config; |
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$this->userManager = $userManager; |
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$this->dispatcher = $dispatcher; |
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$this->logger = $logger; |
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$this->connection = $connection; |
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} |
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/** |
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* @param string $user |
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*/ |
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protected function runScanner(string $user) { |
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try { |
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$scanner = new Scanner( |
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$user, |
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null, |
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$this->dispatcher, |
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$this->logger |
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); |
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$scanner->backgroundScan(''); |
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} catch (\Exception $e) { |
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$this->logger->logException($e, ['app' => 'files']); |
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} |
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\OC_Util::tearDownFS(); |
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} |
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/** |
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* Find all storages which have unindexed files and return a user for each |
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* |
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* @return string[] |
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*/ |
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private function getUsersToScan(): array { |
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$query = $this->connection->getQueryBuilder(); |
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$query->select($query->func()->max('user_id')) |
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->from('filecache', 'f') |
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->innerJoin('f', 'mounts', 'm', $query->expr()->eq('storage_id', 'storage')) |
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->where($query->expr()->lt('size', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT))) |
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->groupBy('storage_id') |
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->setMaxResults(self::USERS_PER_SESSION); |
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return $query->execute()->fetchAll(\PDO::FETCH_COLUMN); |
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} |
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/** |
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* @param $argument |
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* @throws \Exception |
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*/ |
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protected function run($argument) { |
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if ($this->config->getSystemValueBool('files_no_background_scan', false)) { |
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return; |
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} |
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$users = $this->getUsersToScan(); |
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foreach ($users as $user) { |
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$this->runScanner($user); |
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} |
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} |
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} |
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nextcloud /
server
