/**
* Downloads the given url to the given destination. Tries to resume download if file already exists.
*
* @param array[File] destination
* @param float $chunkSizeMegaBytes
* @return boolean|null
*/
public function download(array $downloadFiles)
{
$parallel = new CurlParallel();
$parallelCurls = [];
foreach ($downloadFiles as &$downloadFile) {
/* @var $downloadFile File */
try {
$this->setCurlForFile($downloadFile);
if ($downloadFile->getCurl()) {
$parallel->add($downloadFile->getCurl());
$parallelCurls[] = $downloadFile;
}
} catch (Exception $ex) {
$this->logMessage($ex->getMessage());
}
}
if (count($parallelCurls) > 0) {
$parallel->execute();
foreach ($parallelCurls as $downloadFile) {
if ($downloadFile->getCurl() instanceof Curl) {
$downloadFile->getCurl()->close();
if (is_resource($downloadFile->getCurl()->options->FILE)) {
fclose($downloadFile->getCurl()->options->FILE);
}
if (!$downloadFile->getCurl()->isSuccessful()) {
$this->logMessage("{$downloadFile->getUrl()} Failed to download properly.");
}
}
}
}
$result = true;
foreach ($parallelCurls as $downloadFile) {
$newFileSize = $this->_getLocalFileSize($downloadFile->getDestination());
$this->output("Downloaded File Size for {$downloadFile->getUrl()}: {$newFileSize} Bytes");
if ($downloadFile->getInfo()->info->CONTENT_LENGTH_DOWNLOAD == $newFileSize) {
$this->logMessage("File Downloaded.");
} else {
$this->logMessage("File Downloaded, Failed to verify file size.");
$result = false;
}
$this->logMessage('');
}
return $result;
}
/**
* Removes access to {@link Curl::$ch $ch} from a {@link CurlParallel} object.
*
* @param CurlParallel $multiHandle The CurlParallel object that no longer needs {@link Curl::$ch $ch}.
*/
public function revoke(CurlParallel $multiHandle)
{
$multiHandle->release($this->_curlHandle);
$this->_isMulti = false;
}