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<?php |
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/* |
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* hirak/prestissimo |
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* @author Hiraku NAKANO |
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* @license MIT https://github.com/hirak/prestissimo |
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*/ |
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namespace Hirak\Prestissimo; |
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use Composer\Package; |
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use Composer\IO; |
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use Composer\Config as CConfig; |
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/** |
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* |
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*/ |
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class ParallelDownloader |
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{ |
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/** @var IO/IOInterface */ |
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protected $io; |
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/** @var CConfig */ |
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protected $config; |
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/** @var int */ |
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protected $totalCnt = 0; |
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protected $successCnt = 0; |
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protected $skippedCnt = 0; |
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protected $failureCnt = 0; |
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public function __construct(IO\IOInterface $io, CConfig $config) |
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{ |
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$this->io = $io; |
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$this->config = $config; |
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} |
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/** |
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* @param Package\PackageInterface[] $packages |
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* @param array $pluginConfig |
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* @return void |
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*/ |
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public function download(array $packages, array $pluginConfig) |
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{ |
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$multi = new CurlMulti($pluginConfig['maxConnections']); |
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$multi->setupShareHandler($pluginConfig['pipeline']); |
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$this->totalCnt = count($packages); |
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$this->successCnt = $this->skippedCnt = $this->failureCnt = 0; |
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$this->io->write(" Prefetch start: <comment>total: $this->totalCnt</comment>"); |
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$multi->setTargets($this->filterPackages($packages, $pluginConfig)); |
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do { |
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$multi->setupEventLoop(); |
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$multi->wait(); |
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$result = $multi->getFinishedResults(); |
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$this->successCnt += $result['successCnt']; |
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$this->failureCnt += $result['failureCnt']; |
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foreach ($result['results'] as $url) { |
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$this->io->write($this->makeDownloadingText($url)); |
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} |
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} while ($multi->remain()); |
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$this->io->write( |
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" Finished: <comment>success:$this->successCnt," |
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. " skipped:$this->skippedCnt, failure:$this->failureCnt," |
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. " total: $this->totalCnt</comment>" |
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); |
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} |
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/** |
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* @param Package\PackageInterface[] $packages |
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* @param string[] $pluginConfig |
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* @return array [{src: Aspects\HttpGetRequest, dest: OutputFile}] |
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*/ |
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private function filterPackages(array $packages, array $pluginConfig) |
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{ |
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$cachedir = rtrim($this->config->get('cache-files-dir'), '\/'); |
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$targets = array(); |
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foreach ($packages as $p) { |
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$url = $p->getDistUrl(); |
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if (!$url) { |
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++$this->skippedCnt; |
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continue; |
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} |
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if ($p->getDistMirrors()) { |
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$url = current($p->getDistUrls()); |
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} |
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$host = parse_url($url, PHP_URL_HOST) ?: ''; |
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$src = Factory::getHttpGetRequest($host, $url, $this->io, $this->config, $pluginConfig); |
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if (in_array($p->getName(), $pluginConfig['privatePackages'])) { |
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$src->maybePublic = false; |
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} else { |
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$src->maybePublic = (bool)preg_match('%^(?:https|git)://github\.com%', $p->getSourceUrl()); |
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} |
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// make file resource |
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$filepath = $cachedir |
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. DIRECTORY_SEPARATOR |
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. FileDownloaderDummy::getCacheKeyCompat($p, $src->getURL()); |
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if (file_exists($filepath)) { |
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++$this->skippedCnt; |
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continue; |
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} |
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$dest = new OutputFile($filepath); |
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$targets[] = compact('src', 'dest'); |
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} |
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return $targets; |
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} |
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/** |
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* @param string $url |
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* @return string |
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*/ |
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private function makeDownloadingText($url) |
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{ |
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$request = new Aspects\HttpGetRequest('example.com', $url, $this->io); |
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$request->query = array(); |
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return " <comment>$this->successCnt/$this->totalCnt</comment>: {$request->getURL()}"; |
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} |
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} |
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hirak /
prestissimo
