Symfony Profiler

<?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\Notifier\Transport;
use Symfony\Component\EventDispatcher\Event;
use Symfony\Component\EventDispatcher\LegacyEventDispatcherProxy;
use Symfony\Component\HttpClient\HttpClient;
use Symfony\Component\Notifier\Event\FailedMessageEvent;
use Symfony\Component\Notifier\Event\MessageEvent;
use Symfony\Component\Notifier\Event\SentMessageEvent;
use Symfony\Component\Notifier\Exception\LogicException;
use Symfony\Component\Notifier\Message\MessageInterface;
use Symfony\Component\Notifier\Message\SentMessage;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class AbstractTransport implements TransportInterface
{
protected const HOST = 'localhost';
private $dispatcher;
protected $client;
protected $host;
protected $port;
public function __construct(HttpClientInterface $client = null, EventDispatcherInterface $dispatcher = null)
{
$this->client = $client;
if (null === $client) {
if (!class_exists(HttpClient::class)) {
throw new LogicException(sprintf('You cannot use "%s" as the HttpClient component is not installed. Try running "composer require symfony/http-client".', __CLASS__));
}
$this->client = HttpClient::create();
}
$this->dispatcher = class_exists(Event::class) ? LegacyEventDispatcherProxy::decorate($dispatcher) : $dispatcher;
}
/**
* @return $this
*/
public function setHost(?string $host): self
{
$this->host = $host;
return $this;
}
/**
* @return $this
*/
public function setPort(?int $port): self
{
$this->port = $port;
return $this;
}
public function send(MessageInterface $message): SentMessage
{
if (null === $this->dispatcher) {
return $this->doSend($message);
}
$this->dispatcher->dispatch(new MessageEvent($message));
try {
$sentMessage = $this->doSend($message);
} catch (\Throwable $error) {
$this->dispatcher->dispatch(new FailedMessageEvent($message, $error));
throw $error;
}
$this->dispatcher->dispatch(new SentMessageEvent($sentMessage));
return $sentMessage;
}
abstract protected function doSend(MessageInterface $message): SentMessage;
protected function getEndpoint(): string
{
return ($this->host ?: $this->getDefaultHost()).($this->port ? ':'.$this->port : '');
}
protected function getDefaultHost(): string
{
return static::HOST;
}
}

vendor/symfony/notifier/Transport/AbstractTransport.php line 39