@Override
        public void afterConnectionEstablished(WebSocketSession session) throws Exception {
            int id = snakeIds.getAndIncrement();

            Snake s = new Snake(id, session);

            session.getAttributes().put(SNAKE_ATT, s);
            /*  if (!SnakeGames.isEmpty()) {
              Set<String> keys = SnakeGames.keySet();
                String[] lista = (String[]) keys.toArray();

                session.sendMessage(new TextMessage("{\"type\":\"roomsCreated\", \"data\":" + lista + "}"));
            }
*/
        }