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/**
 * Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see .
 */
/**
 * 
 */
package org.evosuite.ga.stoppingconditions;

import java.io.IOException;
import java.net.ServerSocket;

import org.evosuite.Properties;
import org.evosuite.ga.Chromosome;
import org.evosuite.ga.metaheuristics.GeneticAlgorithm;
import org.evosuite.utils.LoggingUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * SocketStoppingCondition class.
 *
 * @author Gordon Fraser
 */
public class SocketStoppingCondition implements StoppingCondition {

	private volatile boolean interrupted = false;

	private static final Logger logger = LoggerFactory.getLogger(SocketStoppingCondition.class);
	
	/**
	 * accept
	 */
	public void accept() {
		Thread t = new Thread() {
			@Override
			public void run() {
				ServerSocket serverSocket = null;
				try {
					serverSocket = new ServerSocket(Properties.STOPPING_PORT);
					serverSocket.accept();
					LoggingUtils.getEvoLogger().info("* Stopping request received");
					interrupted = true;

				} catch (IOException e) {
					LoggingUtils.getEvoLogger().warn("Failed to create socket on port "
					                                         + Properties.STOPPING_PORT);
				} finally {
					if(serverSocket != null) {
						try {
							serverSocket.close();
						} catch(IOException e) {
							logger.info("Error while closing socket: "+e);
						}
					}
				}

			}
		};
		t.start();
	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.SearchListener#searchStarted(org.evosuite.ga.GeneticAlgorithm)
	 */
	/** {@inheritDoc} */
	@Override
	public void searchStarted(GeneticAlgorithm algorithm) {
		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.SearchListener#iteration(org.evosuite.ga.GeneticAlgorithm)
	 */
	/** {@inheritDoc} */
	@Override
	public void iteration(GeneticAlgorithm algorithm) {
		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.SearchListener#searchFinished(org.evosuite.ga.GeneticAlgorithm)
	 */
	/** {@inheritDoc} */
	@Override
	public void searchFinished(GeneticAlgorithm algorithm) {
		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.SearchListener#fitnessEvaluation(org.evosuite.ga.Chromosome)
	 */
	/** {@inheritDoc} */
	@Override
	public void fitnessEvaluation(Chromosome individual) {
		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.SearchListener#modification(org.evosuite.ga.Chromosome)
	 */
	/** {@inheritDoc} */
	@Override
	public void modification(Chromosome individual) {
		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.stoppingconditions.StoppingCondition#forceCurrentValue(long)
	 */
	/** {@inheritDoc} */
	@Override
	public void forceCurrentValue(long value) {
		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.stoppingconditions.StoppingCondition#getCurrentValue()
	 */
	/** {@inheritDoc} */
	@Override
	public long getCurrentValue() {
		// TODO Auto-generated method stub
		return 0;
	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.stoppingconditions.StoppingCondition#getLimit()
	 */
	/** {@inheritDoc} */
	@Override
	public long getLimit() {
		// TODO Auto-generated method stub
		return 0;
	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.stoppingconditions.StoppingCondition#isFinished()
	 */
	/** {@inheritDoc} */
	@Override
	public boolean isFinished() {
		return interrupted;
	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.stoppingconditions.StoppingCondition#reset()
	 */
	/** {@inheritDoc} */
	@Override
	public void reset() {
		interrupted = false;
	}

	/* (non-Javadoc)
	 * @see org.evosuite.ga.stoppingconditions.StoppingCondition#setLimit(long)
	 */
	/** {@inheritDoc} */
	@Override
	public void setLimit(long limit) {
		// TODO Auto-generated method stub

	}

}