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<?php |
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namespace Local\Console\Command; |
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use GuzzleHttp\Promise; |
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use Joomla\Registry\Registry; |
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use League\Flysystem\Adapter\Local; |
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use Monolog\Logger; |
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use Tartana\Component\Command\Command; |
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use Tartana\Domain\Command\SaveDownloads; |
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use Tartana\Domain\DownloadRepository; |
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use Tartana\Entity\Download; |
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use Tartana\Host\Common\Http; |
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use Tartana\Host\HostFactory; |
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use Tartana\Mixins\CommandBusAwareTrait; |
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use Tartana\Mixins\LoggerAwareTrait; |
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use Tartana\Util; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Tartana\Console\Command\AbstractDaemonCommand; |
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use Tartana\Component\Command\Runner; |
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class DownloadCommand extends AbstractDaemonCommand |
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{ |
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use LoggerAwareTrait; |
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use CommandBusAwareTrait; |
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private $repository = null; |
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private $factory = null; |
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private $config = null; |
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public function __construct(DownloadRepository $repository, HostFactory $factory, Runner $runner, Registry $config = null) |
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{ |
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parent::__construct($runner); |
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$this->repository = $repository; |
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$this->factory = $factory; |
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$this->config = $config; |
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} |
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protected function configure() |
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{ |
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parent::configure(); |
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$this->setName('download'); |
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$this->setDescription('Downloads links from the database. This command is running in foreground!'); |
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$this->addOption('force', 'f', InputOption::VALUE_NONE, 'Should all downloads set back to not started.'); |
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} |
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protected function doWork(InputInterface $input, OutputInterface $output) |
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{ |
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$repository = $this->repository; |
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$this->log('Started to download links from the database'); |
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// Loading configuration for the hosters if it exists |
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$config = $this->config ? $this->config : new Registry(); |
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if (file_exists(TARTANA_PATH_ROOT . '/app/config/parameters.yml')) { |
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$config->loadFile(TARTANA_PATH_ROOT . '/app/config/parameters.yml', 'yaml'); |
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} |
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if (file_exists(TARTANA_PATH_ROOT . '/app/config/hosters.yml')) { |
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$config->loadFile(TARTANA_PATH_ROOT . '/app/config/hosters.yml', 'yaml'); |
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} |
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$force = (boolean)$input->getOption('force'); |
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while (true) { |
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$resets = $repository->findDownloads([ |
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Download::STATE_DOWNLOADING_STARTED, |
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Download::STATE_DOWNLOADING_ERROR |
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]); |
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$hasChanged = false; |
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if (!empty($resets)) { |
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foreach ($resets as $resetDownload) { |
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if ($resetDownload->getState() != Download::STATE_DOWNLOADING_STARTED && !$force) { |
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// When not forcing only check for zombie downloads |
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continue; |
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} |
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if ($resetDownload->getState() == Download::STATE_DOWNLOADING_STARTED && |
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$resetDownload->getPid() && |
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Util::isPidRunning($resetDownload->getPid()) |
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) { |
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// There is an active process |
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continue; |
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} |
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$resetDownload = Download::reset($resetDownload); |
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$hasChanged = true; |
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} |
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} |
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if ($hasChanged) { |
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$this->log('Restarting zombie downloads, error downloads will be ' . ($force ? '' : 'not') . ' restarted'); |
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$this->handleCommand(new SaveDownloads($resets)); |
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} |
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$notStartedDownloads = $repository->findDownloads(Download::STATE_DOWNLOADING_NOT_STARTED); |
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if (empty($notStartedDownloads)) { |
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// Nothing to do anymore |
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break; |
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} |
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$concurrentDownloads = 5; |
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$counter = count($repository->findDownloads(Download::STATE_DOWNLOADING_STARTED)); |
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// Set download speed limit |
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if (isset($config->get('parameters')->{'tartana.local.downloads.speedlimit'}) && |
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$config->get('parameters')->{'tartana.local.downloads.speedlimit'} > 0 |
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) { |
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$config->set('speedlimit', $config->get('parameters')->{'tartana.local.downloads.speedlimit'} / $concurrentDownloads); |
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} |
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// Check day limit |
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if (isset($config->get('parameters')->{'tartana.local.downloads.daylimit'}) && |
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$config->get('parameters')->{'tartana.local.downloads.daylimit'} > 0 |
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) { |
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$dayLimit = $config->get('parameters')->{'tartana.local.downloads.daylimit'} * 1000; |
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$today = (new \DateTime())->format('D'); |
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foreach ($repository->findDownloads(Download::STATE_DOWNLOADING_COMPLETED) as $download) { |
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if ($download->getFinishedAt() && $download->getFinishedAt()->format('D') != $today) { |
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continue; |
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} |
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$dayLimit -= $download->getSize(); |
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} |
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if ($dayLimit <= 0) { |
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$this->log('Reached day limit, not starting any download'); |
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$counter = $concurrentDownloads; |
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} |
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} |
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$this->log('Found ' . $counter . ' started downloads.'); |
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// Processing the downloads |
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$promises = []; |
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$sharedClients = []; |
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$startedDownloads = []; |
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foreach ($notStartedDownloads as $download) { |
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if ($counter >= $concurrentDownloads) { |
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break; |
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} |
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$downloader = $this->factory->createHostDownloader($download->getLink(), $config); |
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if ($downloader == null) { |
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$this->log('No downloader found for link ' . $download->getLink(), Logger::WARNING); |
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continue; |
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} |
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$this->log('Started to download ' . $download->getLink() . ' with the class ' . get_class($downloader)); |
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$download = Download::reset($download); |
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$download->setState(Download::STATE_DOWNLOADING_STARTED); |
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$download->setPid(getmypid()); |
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$this->handleCommand(new SaveDownloads([ |
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$download |
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])); |
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if ($downloader instanceof Http) { |
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$name = get_class($downloader); |
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if (!key_exists($name, $sharedClients)) { |
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$sharedClients[$name] = $downloader->getClient(); |
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} else { |
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$downloader->setClient($sharedClients[$name]); |
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} |
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} |
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$tmp = $downloader->download([ |
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clone $download |
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]); |
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$startedDownloads[] = $download; |
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$promises = array_merge($promises, $tmp ? $tmp : []); |
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$counter++; |
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} |
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$this->log('Downloading ' . count($promises) . ' links'); |
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try { |
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Promise\unwrap($promises); |
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} catch (\Exception $e) { |
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// @codeCoverageIgnoreStart |
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$this->log('Exception happened, waiting for the downloads: ' . $e->getMessage(), Logger::ERROR); |
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foreach ($startedDownloads as $download) { |
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$download = Download::reset($download); |
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$download->setState(Download::STATE_DOWNLOADING_ERROR); |
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$download->setMessage($e->getMessage()); |
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$this->handleCommand(new SaveDownloads([ |
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$download |
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])); |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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// We sleep her as we are a daemon to relax the system a bit |
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sleep($config->get('sleepTime', 10)); |
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} |
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$this->log('Finished to download links from the database'); |
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$this->log('Calling default command for post processing'); |
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$this->getCommandRunner()->execute(Command::getAppCommand('default')); |
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} |
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} |
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C-Sparrow /
Tartana
