/**
 * $RCSfile$
 * $Revision: $
 * $Date: $
 *
 * Copyright (C) 2006 Jive Software. All rights reserved.
 *
 * This software is published under the terms of the GNU Public License (GPL),
 * a copy of which is included in this distribution.
 */

package org.jivesoftware.multiplexer.net;

import org.jivesoftware.multiplexer.ServerPort;

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

/**
 * Abstract class for {@link BlockingAcceptingMode} and {@link NonBlockingAcceptingMode}.
 *
 * @author Gaston Dombiak
 */
abstract class SocketAcceptingMode {

    /**
     * True while this thread should continue running.
     */
    protected boolean notTerminated = true;

    /**
     * Holds information about the port on which the server will listen for connections.
     */
    protected ServerPort serverPort;

    /**
     * socket that listens for connections.
     */
    protected ServerSocket serverSocket;

    protected SocketAcceptingMode(ServerPort serverPort) {
        this.serverPort = serverPort;
    }

    public abstract void run();

    public void shutdown() {
        notTerminated = false;
        try {
            ServerSocket sSock = serverSocket;
            serverSocket = null;
            if (sSock != null) {
                sSock.close();
            }
        }
        catch (IOException e) {
            // we don't care, no matter what, the socket should be dead
        }
    }
}