142 lines
4.9 KiB
PHP
142 lines
4.9 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpClient\Internal;
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use Http\Client\Exception\NetworkException;
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use Http\Promise\Promise;
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use Psr\Http\Message\RequestInterface as Psr7RequestInterface;
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use Psr\Http\Message\ResponseFactoryInterface;
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use Psr\Http\Message\ResponseInterface as Psr7ResponseInterface;
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use Psr\Http\Message\StreamFactoryInterface;
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use Symfony\Component\HttpClient\Response\StreamableInterface;
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use Symfony\Component\HttpClient\Response\StreamWrapper;
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use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
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use Symfony\Contracts\HttpClient\HttpClientInterface;
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use Symfony\Contracts\HttpClient\ResponseInterface;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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final class HttplugWaitLoop
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{
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private $client;
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private $promisePool;
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private $responseFactory;
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private $streamFactory;
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/**
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* @param \SplObjectStorage<ResponseInterface, array{Psr7RequestInterface, Promise}>|null $promisePool
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*/
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public function __construct(HttpClientInterface $client, ?\SplObjectStorage $promisePool, ResponseFactoryInterface $responseFactory, StreamFactoryInterface $streamFactory)
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{
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$this->client = $client;
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$this->promisePool = $promisePool;
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$this->responseFactory = $responseFactory;
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$this->streamFactory = $streamFactory;
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}
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public function wait(?ResponseInterface $pendingResponse, float $maxDuration = null, float $idleTimeout = null): int
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{
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if (!$this->promisePool) {
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return 0;
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}
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$guzzleQueue = \GuzzleHttp\Promise\Utils::queue();
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if (0.0 === $remainingDuration = $maxDuration) {
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$idleTimeout = 0.0;
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} elseif (null !== $maxDuration) {
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$startTime = microtime(true);
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$idleTimeout = max(0.0, min($maxDuration / 5, $idleTimeout ?? $maxDuration));
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}
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do {
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foreach ($this->client->stream($this->promisePool, $idleTimeout) as $response => $chunk) {
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try {
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if (null !== $maxDuration && $chunk->isTimeout()) {
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goto check_duration;
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}
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if ($chunk->isFirst()) {
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// Deactivate throwing on 3/4/5xx
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$response->getStatusCode();
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}
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if (!$chunk->isLast()) {
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goto check_duration;
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}
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if ([, $promise] = $this->promisePool[$response] ?? null) {
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unset($this->promisePool[$response]);
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$promise->resolve($this->createPsr7Response($response, true));
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}
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} catch (\Exception $e) {
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if ([$request, $promise] = $this->promisePool[$response] ?? null) {
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unset($this->promisePool[$response]);
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if ($e instanceof TransportExceptionInterface) {
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$e = new NetworkException($e->getMessage(), $request, $e);
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}
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$promise->reject($e);
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}
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}
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$guzzleQueue->run();
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if ($pendingResponse === $response) {
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return $this->promisePool->count();
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}
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check_duration:
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if (null !== $maxDuration && $idleTimeout && $idleTimeout > $remainingDuration = max(0.0, $maxDuration - microtime(true) + $startTime)) {
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$idleTimeout = $remainingDuration / 5;
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break;
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}
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}
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if (!$count = $this->promisePool->count()) {
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return 0;
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}
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} while (null === $maxDuration || 0 < $remainingDuration);
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return $count;
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}
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public function createPsr7Response(ResponseInterface $response, bool $buffer = false): Psr7ResponseInterface
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{
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$psrResponse = $this->responseFactory->createResponse($response->getStatusCode());
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foreach ($response->getHeaders(false) as $name => $values) {
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foreach ($values as $value) {
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$psrResponse = $psrResponse->withAddedHeader($name, $value);
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}
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}
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if ($response instanceof StreamableInterface) {
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$body = $this->streamFactory->createStreamFromResource($response->toStream(false));
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} elseif (!$buffer) {
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$body = $this->streamFactory->createStreamFromResource(StreamWrapper::createResource($response, $this->client));
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} else {
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$body = $this->streamFactory->createStream($response->getContent(false));
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}
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if ($body->isSeekable()) {
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$body->seek(0);
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}
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return $psrResponse->withBody($body);
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}
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}
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