Scheduler::setDefaultFactory(function () use ($loop) {
    return new Scheduler\EventLoopScheduler($loop);
});

$rsocketPromise = RSocketConnector::create($loop)->connect("tcp://127.0.0.1:42252");

$rsocketPromise->then(function (RSocket $rsocket) {
    $observablePayload = $rsocket->requestResponse(Payload::fromText("text/plain", "Ping"));
    $observablePayload->subscribe(
        function (Payload $x) {
            echo 'Result: ' . $x->getDataUtf8();
        }
    );
});

Scheduler::setDefaultFactory(function () use ($loop) {
    return new Scheduler\EventLoopScheduler($loop);
});

$listenUri = "tcp://127.0.0.1:42252";
$socketAcceptor = CallableSocketAcceptor::handle(function ($setupPayload, $sendingRSocket) {
    return AbstractRSocket::requestResponseHandler(function ($payload) {
        return Observable::of(Payload::fromText("metadata", "PONG"));
    });
});
$server = RSocketServer::create($loop, $socketAcceptor)->bind($listenUri);
print("RSocket Server started on ${listenUri}");