sclass WebSocketHTTPD extends NanoWebSocketServer {
  *(int port, O factory) {
    super(port, webSocketFactory(factory));
  }

  public Response serve(String uri, Method method,
    Map<String, String> header, Map<String, String> parms,
    Map<String, String> files) {
    S remoteAddr  = header.get("remote-addr");
    print("Serving URI: " + quote(uri) + " to: " + remoteAddr);
    
    /*if (nempty(remoteAddr) &&
      isTrue(callOpt(mc(), "isBlockedIP", remoteAddr))) {
      print("BLOCKED IP.");
      ret serve404();
    }*/
    
    try {
      Response response = cast callOpt(getMainClass(), "serve", uri, method, header, parms, files);
      if (response != null) ret response;
      S html = callHtmlMethod(getMainClass(), uri, parms);
      if (html != null)
        ret serveHTML(html);
      ret serve404();
    } catch (Throwable e) {
      printStackTrace(e);
      ret serveHTML("ERROR.");
    }
  }
}