/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * This library 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 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.net.ipv4.tcp;

import org.jnode.net.ipv4.IPv4ControlBlock;
import org.jnode.net.ipv4.IPv4ControlBlockList;

/**
 * @author Ewout Prangsma (epr@users.sourceforge.net)
 */
public class TCPControlBlockList extends IPv4ControlBlockList {

    /** The protocol implementation */
    private final TCPProtocol protocol;

    /** Last initial sequence number */
    private int isn;

    /**
     * Create a new instance
     * 
     * @param protocol
     */
    public TCPControlBlockList(TCPProtocol protocol) {
        this.protocol = protocol;
    }

    /**
     * @see org.jnode.net.ipv4.IPv4ControlBlockList#createControlBlock(org.jnode.net.ipv4.IPv4ControlBlock)
     */
    protected IPv4ControlBlock createControlBlock(IPv4ControlBlock parent) {
        return new TCPControlBlock(this, (TCPControlBlock) parent, protocol, isn++);
    }

    /**
     * Process timeout handling
     */
    public void timeout() {
        // allocation free looping
        for (IPv4ControlBlock aList : list) {
            final TCPControlBlock cb = (TCPControlBlock) aList;
            cb.timeout();
        }
    }
}