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|
<?php
namespace React\Socket;
use React\Dns\Resolver\ResolverInterface;
use React\EventLoop\Loop;
use React\EventLoop\LoopInterface;
use React\Promise;
final class HappyEyeBallsConnector implements ConnectorInterface
{
private $loop;
private $connector;
private $resolver;
public function __construct(LoopInterface $loop = null, ConnectorInterface $connector = null, ResolverInterface $resolver = null)
{
// $connector and $resolver arguments are actually required, marked
// optional for technical reasons only. Nullable $loop without default
// requires PHP 7.1, null default is also supported in legacy PHP
// versions, but required parameters are not allowed after arguments
// with null default. Mark all parameters optional and check accordingly.
if ($connector === null || $resolver === null) {
throw new \InvalidArgumentException('Missing required $connector or $resolver argument');
}
$this->loop = $loop ?: Loop::get();
$this->connector = $connector;
$this->resolver = $resolver;
}
public function connect($uri)
{
$original = $uri;
if (\strpos($uri, '://') === false) {
$uri = 'tcp://' . $uri;
$parts = \parse_url($uri);
if (isset($parts['scheme'])) {
unset($parts['scheme']);
}
} else {
$parts = \parse_url($uri);
}
if (!$parts || !isset($parts['host'])) {
return Promise\reject(new \InvalidArgumentException(
'Given URI "' . $original . '" is invalid (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}
$host = \trim($parts['host'], '[]');
// skip DNS lookup / URI manipulation if this URI already contains an IP
if (@\inet_pton($host) !== false) {
return $this->connector->connect($original);
}
$builder = new HappyEyeBallsConnectionBuilder(
$this->loop,
$this->connector,
$this->resolver,
$uri,
$host,
$parts
);
return $builder->connect();
}
}
|
