/*
 * Licensed to Green Energy Corp (www.greenenergycorp.com) under one or
 * more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * Green Energy Corp 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.
 *
 * This project was forked on 01/01/2013 by Automatak, LLC and modifications
 * may have been made to this file. Automatak, LLC licenses these modifications
 * to you under the terms of the License.
 */

#ifndef OPENDNP3_QUEUEDCHANNELISTENER_H
#define OPENDNP3_QUEUEDCHANNELISTENER_H

#include "SynchronizedQueue.h"

#include "asiodnp3/IChannelListener.h"

namespace asiodnp3
{
class QueuedChannelListener : public IChannelListener
{
	SynchronizedQueue<opendnp3::ChannelState> states;

public:

	virtual void OnStateChange(opendnp3::ChannelState state) override
	{
		states.Add(state);
	}

	bool WaitForState(opendnp3::ChannelState state, std::chrono::steady_clock::duration timeout)
	{
		std::vector<opendnp3::ChannelState> output;
		while (states.DrainTo(output, timeout) > 0)
		{
			for (auto& s : output)
			{
				if (s == state) return true;
			}
			output.clear();
		}

		return false;
	}

};

}

#endif

