/**
* @see FileBackendStore::doGetLocalCopyMulti()
* @return null|TempFSFile
*/
protected function doGetLocalCopyMulti(array $params)
{
$tmpFiles = array();
$ep = array_diff_key($params, array('srcs' => 1));
// for error logging
// Blindly create tmp files and stream to them, catching any exception if the file does
// not exist. Doing a stat here is useless causes infinite loops in addMissingMetadata().
foreach (array_chunk($params['srcs'], $params['concurrency']) as $pathBatch) {
$cfOps = array();
// (path => CF_Async_Op)
foreach ($pathBatch as $path) {
// each path in this concurrent batch
list($srcCont, $srcRel) = $this->resolveStoragePathReal($path);
if ($srcRel === null) {
$tmpFiles[$path] = null;
continue;
}
$tmpFile = null;
try {
$sContObj = $this->getContainer($srcCont);
$obj = new CF_Object($sContObj, $srcRel, false, false);
// skip HEAD
// Get source file extension
$ext = FileBackend::extensionFromPath($path);
// Create a new temporary file...
$tmpFile = TempFSFile::factory('localcopy_', $ext);
if ($tmpFile) {
$handle = fopen($tmpFile->getPath(), 'wb');
if ($handle) {
$headers = $this->headersFromParams($params);
if (count($pathBatch) > 1) {
$cfOps[$path] = $obj->stream_async($handle, $headers);
$cfOps[$path]->_file_handle = $handle;
// close this later
} else {
$obj->stream($handle, $headers);
fclose($handle);
}
} else {
$tmpFile = null;
}
}
} catch (NoSuchContainerException $e) {
$tmpFile = null;
} catch (NoSuchObjectException $e) {
$tmpFile = null;
} catch (CloudFilesException $e) {
// some other exception?
$tmpFile = null;
$this->handleException($e, null, __METHOD__, array('src' => $path) + $ep);
}
$tmpFiles[$path] = $tmpFile;
}
$batch = new CF_Async_Op_Batch($cfOps);
$cfOps = $batch->execute();
foreach ($cfOps as $path => $cfOp) {
try {
$cfOp->getLastResponse();
} catch (NoSuchContainerException $e) {
$tmpFiles[$path] = null;
} catch (NoSuchObjectException $e) {
$tmpFiles[$path] = null;
} catch (CloudFilesException $e) {
// some other exception?
$tmpFiles[$path] = null;
$this->handleException($e, null, __METHOD__, array('src' => $path) + $ep);
}
fclose($cfOp->_file_handle);
// close open handle
}
}
return $tmpFiles;
}
