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<?php
namespace React\Socket;
use React\EventLoop\Loop;
use React\EventLoop\LoopInterface;
use React\Promise;
use InvalidArgumentException;
use RuntimeException;
/**
* Unix domain socket connector
*
* Unix domain sockets use atomic operations, so we can as well emulate
* async behavior.
*/
final class UnixConnector implements ConnectorInterface
{
private $loop;
public function __construct(LoopInterface $loop = null)
{
$this->loop = $loop ?: Loop::get();
}
public function connect($path)
{
if (\strpos($path, '://') === false) {
$path = 'unix://' . $path;
} elseif (\substr($path, 0, 7) !== 'unix://') {
return Promise\reject(new \InvalidArgumentException(
'Given URI "' . $path . '" is invalid (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}
$resource = @\stream_socket_client($path, $errno, $errstr, 1.0);
if (!$resource) {
return Promise\reject(new \RuntimeException(
'Unable to connect to unix domain socket "' . $path . '": ' . $errstr . SocketServer::errconst($errno),
$errno
));
}
$connection = new Connection($resource, $this->loop);
$connection->unix = true;
return Promise\resolve($connection);
}
}