<?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\Response;
use Symfony\Component\HttpClient\Chunk\ErrorChunk;
use Symfony\Component\HttpClient\Exception\ClientException;
use Symfony\Component\HttpClient\Exception\RedirectionException;
use Symfony\Component\HttpClient\Exception\ServerException;
use Symfony\Component\HttpClient\TraceableHttpClient;
use Symfony\Component\Stopwatch\StopwatchEvent;
use Symfony\Contracts\HttpClient\Exception\ClientExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\RedirectionExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\ServerExceptionInterface;
use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
class TraceableResponse implements ResponseInterface, StreamableInterface
{
public function __construct(
private HttpClientInterface $client,
private ResponseInterface $response,
private mixed &$content = false,
private ?StopwatchEvent $event = null,
) {
}
public function __serialize(): array
{
throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
}
public function __unserialize(array $data): void
{
throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
}
public function __destruct()
{
try {
if (method_exists($this->response, '__destruct')) {
$this->response->__destruct();
}
} finally {
if ($this->event?->isStarted()) {
$this->event->stop();
}
}
}
public function getStatusCode(): int
{
try {
return $this->response->getStatusCode();
} finally {
if ($this->event?->isStarted()) {
$this->event->lap();
}
}
}
public function getHeaders(bool $throw = true): array
{
try {
return $this->response->getHeaders($throw);
} finally {
if ($this->event?->isStarted()) {
$this->event->lap();
}
}
}
public function getContent(bool $throw = true): string
{
try {
if (false === $this->content) {
return $this->response->getContent($throw);
}
return $this->content = $this->response->getContent(false);
} finally {
if ($this->event?->isStarted()) {
$this->event->stop();
}
if ($throw) {
$this->checkStatusCode($this->response->getStatusCode());
}
}
}
public function toArray(bool $throw = true): array
{
try {
if (false === $this->content) {
return $this->response->toArray($throw);
}
return $this->content = $this->response->toArray(false);
} finally {
if ($this->event?->isStarted()) {
$this->event->stop();
}
if ($throw) {
$this->checkStatusCode($this->response->getStatusCode());
}
}
}
public function cancel(): void
{
$this->response->cancel();
if ($this->event?->isStarted()) {
$this->event->stop();
}
}
public function getInfo(?string $type = null): mixed
{
return $this->response->getInfo($type);
}
/**
* Casts the response to a PHP stream resource.
*
* @return resource
*
* @throws TransportExceptionInterface When a network error occurs
* @throws RedirectionExceptionInterface On a 3xx when $throw is true and the "max_redirects" option has been reached
* @throws ClientExceptionInterface On a 4xx when $throw is true
* @throws ServerExceptionInterface On a 5xx when $throw is true
*/
public function toStream(bool $throw = true)
{
if ($throw) {
// Ensure headers arrived
$this->response->getHeaders(true);
}
if ($this->response instanceof StreamableInterface) {
return $this->response->toStream(false);
}
return StreamWrapper::createResource($this->response, $this->client);
}
/**
* @internal
*/
public static function stream(HttpClientInterface $client, iterable $responses, ?float $timeout): \Generator
{
$wrappedResponses = [];
$traceableMap = new \SplObjectStorage();
foreach ($responses as $r) {
if (!$r instanceof self) {
throw new \TypeError(\sprintf('"%s::stream()" expects parameter 1 to be an iterable of TraceableResponse objects, "%s" given.', TraceableHttpClient::class, get_debug_type($r)));
}
$traceableMap[$r->response] = $r;
$wrappedResponses[] = $r->response;
if ($r->event && !$r->event->isStarted()) {
$r->event->start();
}
}
foreach ($client->stream($wrappedResponses, $timeout) as $r => $chunk) {
if ($traceableMap[$r]->event && $traceableMap[$r]->event->isStarted()) {
try {
if ($chunk->isTimeout() || !$chunk->isLast()) {
$traceableMap[$r]->event->lap();
} else {
$traceableMap[$r]->event->stop();
}
} catch (TransportExceptionInterface $e) {
$traceableMap[$r]->event->stop();
if ($chunk instanceof ErrorChunk) {
$chunk->didThrow(false);
} else {
$chunk = new ErrorChunk($chunk->getOffset(), $e);
}
}
}
yield $traceableMap[$r] => $chunk;
}
}
private function checkStatusCode(int $code): void
{
if (500 <= $code) {
throw new ServerException($this);
}
if (400 <= $code) {
throw new ClientException($this);
}
if (300 <= $code) {
throw new RedirectionException($this);
}
}
}
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