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vendor/symfony/http-client/Internal/HttplugWaitLoop.php

@@ -0,0 +1,153 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpClient\Internal;
+
+use Http\Client\Exception\NetworkException;
+use Http\Promise\Promise;
+use Psr\Http\Message\RequestInterface as Psr7RequestInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ResponseInterface as Psr7ResponseInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Symfony\Component\HttpClient\Response\StreamableInterface;
+use Symfony\Component\HttpClient\Response\StreamWrapper;
+use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+use Symfony\Contracts\HttpClient\ResponseInterface;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+final class HttplugWaitLoop
+{
+    private $client;
+    private $promisePool;
+    private $responseFactory;
+    private $streamFactory;
+
+    /**
+     * @param \SplObjectStorage<ResponseInterface, array{Psr7RequestInterface, Promise}>|null $promisePool
+     */
+    public function __construct(HttpClientInterface $client, ?\SplObjectStorage $promisePool, ResponseFactoryInterface $responseFactory, StreamFactoryInterface $streamFactory)
+    {
+        $this->client = $client;
+        $this->promisePool = $promisePool;
+        $this->responseFactory = $responseFactory;
+        $this->streamFactory = $streamFactory;
+    }
+
+    public function wait(?ResponseInterface $pendingResponse, ?float $maxDuration = null, ?float $idleTimeout = null): int
+    {
+        if (!$this->promisePool) {
+            return 0;
+        }
+
+        $guzzleQueue = \GuzzleHttp\Promise\Utils::queue();
+
+        if (0.0 === $remainingDuration = $maxDuration) {
+            $idleTimeout = 0.0;
+        } elseif (null !== $maxDuration) {
+            $startTime = microtime(true);
+            $idleTimeout = max(0.0, min($maxDuration / 5, $idleTimeout ?? $maxDuration));
+        }
+
+        do {
+            foreach ($this->client->stream($this->promisePool, $idleTimeout) as $response => $chunk) {
+                try {
+                    if (null !== $maxDuration && $chunk->isTimeout()) {
+                        goto check_duration;
+                    }
+
+                    if ($chunk->isFirst()) {
+                        // Deactivate throwing on 3/4/5xx
+                        $response->getStatusCode();
+                    }
+
+                    if (!$chunk->isLast()) {
+                        goto check_duration;
+                    }
+
+                    if ([, $promise] = $this->promisePool[$response] ?? null) {
+                        unset($this->promisePool[$response]);
+                        $promise->resolve(self::createPsr7Response($this->responseFactory, $this->streamFactory, $this->client, $response, true));
+                    }
+                } catch (\Exception $e) {
+                    if ([$request, $promise] = $this->promisePool[$response] ?? null) {
+                        unset($this->promisePool[$response]);
+
+                        if ($e instanceof TransportExceptionInterface) {
+                            $e = new NetworkException($e->getMessage(), $request, $e);
+                        }
+
+                        $promise->reject($e);
+                    }
+                }
+
+                $guzzleQueue->run();
+
+                if ($pendingResponse === $response) {
+                    return $this->promisePool->count();
+                }
+
+                check_duration:
+                if (null !== $maxDuration && $idleTimeout && $idleTimeout > $remainingDuration = max(0.0, $maxDuration - microtime(true) + $startTime)) {
+                    $idleTimeout = $remainingDuration / 5;
+                    break;
+                }
+            }
+
+            if (!$count = $this->promisePool->count()) {
+                return 0;
+            }
+        } while (null === $maxDuration || 0 < $remainingDuration);
+
+        return $count;
+    }
+
+    public static function createPsr7Response(ResponseFactoryInterface $responseFactory, StreamFactoryInterface $streamFactory, HttpClientInterface $client, ResponseInterface $response, bool $buffer): Psr7ResponseInterface
+    {
+        $responseParameters = [$response->getStatusCode()];
+
+        foreach ($response->getInfo('response_headers') as $h) {
+            if (11 <= \strlen($h) && '/' === $h[4] && preg_match('#^HTTP/\d+(?:\.\d+)? (?:\d\d\d) (.+)#', $h, $m)) {
+                $responseParameters[1] = $m[1];
+            }
+        }
+
+        $psrResponse = $responseFactory->createResponse(...$responseParameters);
+
+        foreach ($response->getHeaders(false) as $name => $values) {
+            foreach ($values as $value) {
+                try {
+                    $psrResponse = $psrResponse->withAddedHeader($name, $value);
+                } catch (\InvalidArgumentException $e) {
+                    // ignore invalid header
+                }
+            }
+        }
+
+        if ($response instanceof StreamableInterface) {
+            $body = $streamFactory->createStreamFromResource($response->toStream(false));
+        } elseif (!$buffer) {
+            $body = $streamFactory->createStreamFromResource(StreamWrapper::createResource($response, $client));
+        } else {
+            $body = $streamFactory->createStream($response->getContent(false));
+        }
+
+        if ($body->isSeekable()) {
+            $body->seek(0);
+        }
+
+        return $psrResponse->withBody($body);
+    }
+}