/*
 * $Id$
 *
 * 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.layer;

import org.jnode.vm.objects.Counter;
import org.jnode.vm.objects.Statistic;
import org.jnode.vm.objects.Statistics;

/**
 * @author epr
 */
public class IPv4Statistics implements Statistics {

    protected final Counter badhlen =
            new Counter("badhlen", "#received packets with invalid IP header length");
    protected final Counter badlen =
            new Counter("badlen", "#received packets with datalength larger then packet");
    protected final Counter badsum = new Counter("badsum", "#received packets with checksum error");
    protected final Counter badvers =
            new Counter("badvers", "#received packets with an IP version other then 4");
    protected final Counter fragments = new Counter("fragments", "total #received fragments");
    protected final Counter ipackets = new Counter("ipackets", "total #received packets");
    protected final Counter noproto =
            new Counter("noproto", "#received packets with an unknown or unsupported protocol");
    protected final Counter nodevaddr =
            new Counter("nodevaddr", "#received packets not delivered because device address was not set");
    protected final Counter opackets = new Counter("opackets", "total #output packets");
    protected final Counter reassembled = new Counter("reassembled", "#datagrams reassembled");

    private final Counter[] list = new Counter[] {
        badhlen, badlen, badsum, fragments, ipackets, noproto, nodevaddr, opackets};

    /**
     * Gets all statistics
     */
    public Statistic[] getStatistics() {
        return list;
    }

}