/**
* Performs the WebSocket HTTP hand-shake.
*
* @param HttpRequest $httpRequest
* @return HttpResponse The HTTP response to send back to the browser.
*/
private function performHandshake(HttpRequest $httpRequest)
{
$req = new WebSocketRequest($httpRequest);
if ($req->validate()) {
$e = $this->createEvent(WebSocketServer::EVENT_HANDSHAKE);
$e->request = $req;
$this->notifyEventListeners($e);
if (!$req->isRejected()) {
$req->handshake();
}
}
$success = !$req->isRejected() && substr($req->getHttpResponse()->getStatus(), 0, 3) === "101";
fwrite($httpRequest->getStream(), $req->getHttpResponse());
return $success;
}
