69 lines
1.8 KiB
PHP
69 lines
1.8 KiB
PHP
<?php
|
|
/**
|
|
* @author Robin Appelman <icewind@owncloud.com>
|
|
*
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OC\Files\Cache;
|
|
|
|
use OCP\Files\Cache\IPropagator;
|
|
|
|
/**
|
|
* Propagate etags and mtimes within the storage
|
|
*/
|
|
class Propagator implements IPropagator {
|
|
/**
|
|
* @var \OC\Files\Storage\Storage
|
|
*/
|
|
protected $storage;
|
|
|
|
/**
|
|
* @param \OC\Files\Storage\Storage $storage
|
|
*/
|
|
public function __construct(\OC\Files\Storage\Storage $storage) {
|
|
$this->storage = $storage;
|
|
}
|
|
|
|
|
|
/**
|
|
* @param string $internalPath
|
|
* @param int $time
|
|
* @return array[] all propagated cache entries
|
|
*/
|
|
public function propagateChange($internalPath, $time) {
|
|
$cache = $this->storage->getCache($internalPath);
|
|
|
|
$parentId = $cache->getParentId($internalPath);
|
|
$propagatedEntries = [];
|
|
while ($parentId !== -1) {
|
|
$entry = $cache->get($parentId);
|
|
$propagatedEntries[] = $entry;
|
|
if (!$entry) {
|
|
return $propagatedEntries;
|
|
}
|
|
$mtime = max($time, $entry['mtime']);
|
|
|
|
$cache->update($parentId, ['mtime' => $mtime, 'etag' => $this->storage->getETag($entry['path'])]);
|
|
|
|
$parentId = $entry['parent'];
|
|
}
|
|
|
|
return $propagatedEntries;
|
|
}
|
|
}
|