public function testReuseExisting()
{
$this->fillTestFolders();
$this->scanner->scan('');
$oldData = $this->cache->get('');
$this->storage->unlink('folder/bar.txt');
$this->cache->put('folder', array('mtime' => $this->storage->filemtime('folder'), 'storage_mtime' => $this->storage->filemtime('folder')));
$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_SIZE);
$newData = $this->cache->get('');
$this->assertInternalType('string', $oldData['etag']);
$this->assertInternalType('string', $newData['etag']);
$this->assertNotSame($oldData['etag'], $newData['etag']);
$this->assertEquals($oldData['size'], $newData['size']);
$oldData = $newData;
$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_ETAG);
$newData = $this->cache->get('');
$this->assertSame($oldData['etag'], $newData['etag']);
$this->assertEquals(-1, $newData['size']);
$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_RECURSIVE);
$oldData = $this->cache->get('');
$this->assertNotEquals(-1, $oldData['size']);
$this->scanner->scanFile('', \OC\Files\Cache\Scanner::REUSE_ETAG + \OC\Files\Cache\Scanner::REUSE_SIZE);
$newData = $this->cache->get('');
$this->assertSame($oldData['etag'], $newData['etag']);
$this->assertEquals($oldData['size'], $newData['size']);
$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_RECURSIVE, \OC\Files\Cache\Scanner::REUSE_ETAG + \OC\Files\Cache\Scanner::REUSE_SIZE);
$newData = $this->cache->get('');
$this->assertSame($oldData['etag'], $newData['etag']);
$this->assertEquals($oldData['size'], $newData['size']);
$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_ETAG + \OC\Files\Cache\Scanner::REUSE_SIZE);
$newData = $this->cache->get('');
$this->assertSame($oldData['etag'], $newData['etag']);
$this->assertEquals($oldData['size'], $newData['size']);
}
/**
* update the storage_mtime of the direct parent in the cache to the mtime from the storage
*
* @param string $internalPath
*/
private function correctParentStorageMtime($internalPath)
{
$parentId = $this->cache->getParentId($internalPath);
$parent = dirname($internalPath);
if ($parentId != -1) {
$this->cache->update($parentId, array('storage_mtime' => $this->storage->filemtime($parent)));
}
}
/**
* get all the metadata of a file or folder
* *
*
* @param string $path
* @return array with metadata of the file
*/
public function getData($path)
{
if (!$this->storage->isReadable($path)) {
//cant read, nothing we can do
\OCP\Util::writeLog('OC\\Files\\Cache\\Scanner', "!!! Path '{$path}' is not readable !!!", \OCP\Util::DEBUG);
return null;
}
$data = array();
$data['mimetype'] = $this->storage->getMimeType($path);
$data['mtime'] = $this->storage->filemtime($path);
if ($data['mimetype'] == 'httpd/unix-directory') {
$data['size'] = -1;
//unknown
} else {
$data['size'] = $this->storage->filesize($path);
}
$data['etag'] = $this->storage->getETag($path);
$data['storage_mtime'] = $data['mtime'];
return $data;
}
/**
* get all the metadata of a file or folder
* *
*
* @param string $path
* @return array an array of metadata of the file
*/
public function getData($path)
{
$permissions = $this->storage->getPermissions($path);
if (!$permissions & \OCP\PERMISSION_READ) {
//cant read, nothing we can do
\OCP\Util::writeLog('OC\\Files\\Cache\\Scanner', "!!! Path '{$path}' is not accessible or present !!!", \OCP\Util::DEBUG);
return null;
}
$data = array();
$data['mimetype'] = $this->storage->getMimeType($path);
$data['mtime'] = $this->storage->filemtime($path);
if ($data['mimetype'] == 'httpd/unix-directory') {
$data['size'] = -1;
//unknown
} else {
$data['size'] = $this->storage->filesize($path);
}
$data['etag'] = $this->storage->getETag($path);
$data['storage_mtime'] = $data['mtime'];
$data['permissions'] = $permissions;
return $data;
}
/**
* see http://php.net/manual/en/function.filemtime.php
*
* @param string $path
* @return int
*/
public function filemtime($path)
{
return $this->storage->filemtime($path);
}
/**
* update the storage_mtime of the parent
*
* @param \OC\Files\Storage\Storage $storage
* @param string $internalPath
*/
private static function correctParentStorageMtime($storage, $internalPath)
{
$cache = $storage->getCache();
$parentId = $cache->getParentId($internalPath);
$parent = dirname($internalPath);
if ($parentId != -1) {
$cache->update($parentId, array('storage_mtime' => $storage->filemtime($parent)));
}
}