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123 lines
3.5 KiB
PHP
123 lines
3.5 KiB
PHP
<?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 <christoph@winzerhof-wurst.at>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Robin Appelman <robin@icewind.nl>
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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\AppFramework\Utility\ITimeFactory;
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use OCP\BackgroundJob\TimedJob;
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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 Psr\Log\LoggerInterface;
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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 TimedJob {
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private IConfig $config;
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private IEventDispatcher $dispatcher;
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private LoggerInterface $logger;
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private IDBConnection $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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public function __construct(
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IConfig $config,
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IEventDispatcher $dispatcher,
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LoggerInterface $logger,
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IDBConnection $connection,
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ITimeFactory $time
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) {
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parent::__construct($time);
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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->dispatcher = $dispatcher;
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$this->logger = $logger;
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$this->connection = $connection;
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}
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protected function runScanner(string $user): void {
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try {
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$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->error($e->getMessage(), ['exception' => $e, 'app' => 'files']);
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}
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\OC_Util::tearDownFS();
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}
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/**
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* Find a storage which have unindexed files and return a user with access to the storage
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*
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* @return string|false
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*/
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private function getUserToScan() {
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$query = $this->connection->getQueryBuilder();
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$query->select('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', $query->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
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->andWhere($query->expr()->gt('parent', $query->createNamedParameter(-1, IQueryBuilder::PARAM_INT)))
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->setMaxResults(1);
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return $query->executeQuery()->fetchOne();
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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 ($this->config->getSystemValueBool('files_no_background_scan', false)) {
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return;
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}
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$usersScanned = 0;
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$lastUser = '';
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$user = $this->getUserToScan();
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while ($user && $usersScanned < self::USERS_PER_SESSION && $lastUser !== $user) {
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$this->runScanner($user);
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$lastUser = $user;
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$user = $this->getUserToScan();
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$usersScanned += 1;
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}
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if ($lastUser === $user) {
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$this->logger->warning("User $user still has unscanned files after running background scan, background scan might be stopped prematurely");
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}
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}
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}
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