src/MessageListener.h

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#ifndef MESSAGELISTENER_H
#define MESSAGELISTENER_H

#include <napi.h>
#include <future>

struct MessageListenerCallback {
  Napi::ThreadSafeFunction callback;

  // Use future store consumer point, because need ensure sync.
  std::promise<void *> consumerPromise;
  std::shared_future<void *> consumerFuture;

  MessageListenerCallback() : consumerPromise(), consumerFuture(consumerPromise.get_future()) {}
};

#endif