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84 lines
2.6 KiB
84 lines
2.6 KiB
<?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 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 OCP\Files\Cache;
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/**
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* Scan files from the storage and save to the cache
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*
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* @since 9.0.0
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*/
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interface IScanner {
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public const SCAN_RECURSIVE_INCOMPLETE = 2; // only recursive into not fully scanned folders
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public const SCAN_RECURSIVE = true;
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public const SCAN_SHALLOW = false;
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public const REUSE_NONE = 0;
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public const REUSE_ETAG = 1;
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public const REUSE_SIZE = 2;
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/**
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* scan a single file and store it in the cache
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*
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* @param string $file
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* @param int $reuseExisting
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* @param int $parentId
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* @param array | null $cacheData existing data in the cache for the file to be scanned
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* @param bool $lock set to false to disable getting an additional read lock during scanning
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* @return array an array of metadata of the scanned file
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* @throws \OC\ServerNotAvailableException
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* @throws \OCP\Lock\LockedException
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* @since 9.0.0
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*/
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public function scanFile($file, $reuseExisting = 0, $parentId = -1, $cacheData = null, $lock = true);
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/**
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* scan a folder and all its children
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*
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* @param string $path
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* @param bool $recursive
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* @param int $reuse
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* @param bool $lock set to false to disable getting an additional read lock during scanning
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* @return array an array of the meta data of the scanned file or folder
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* @since 9.0.0
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*/
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public function scan($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1, $lock = true);
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/**
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* check if the file should be ignored when scanning
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* NOTE: files with a '.part' extension are ignored as well!
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* prevents unfinished put requests to be scanned
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*
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* @param string $file
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* @return boolean
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* @since 9.0.0
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*/
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public static function isPartialFile($file);
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/**
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* walk over any folders that are not fully scanned yet and scan them
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*
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* @since 9.0.0
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*/
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public function backgroundScan();
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}
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