packet-filter.cc

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/*
 * Copyright (c) 2016 Universita' degli Studi di Napoli Federico II
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
#include "packet-filter.h"
 
#include "queue-disc.h"
 
#include "ns3/integer.h"
#include "ns3/log.h"
 
namespace ns3
{
 
NS_LOG_COMPONENT_DEFINE("PacketFilter");
 
NS_OBJECT_ENSURE_REGISTERED(PacketFilter);
 
TypeId
PacketFilter::GetTypeId()
{
    static TypeId tid =
        TypeId("ns3::PacketFilter").SetParent<Object>().SetGroupName("TrafficControl");
    return tid;
}
 
PacketFilter::PacketFilter()
{
    NS_LOG_FUNCTION(this);
}
 
PacketFilter::~PacketFilter()
{
    NS_LOG_FUNCTION(this);
}
 
int32_t
PacketFilter::Classify(Ptr<QueueDiscItem> item) const
{
    NS_LOG_FUNCTION(this << item);
 
    if (!CheckProtocol(item))
    {
        NS_LOG_LOGIC("Unable to classify packets of this protocol");
        return PF_NO_MATCH;
    }
 
    return DoClassify(item);
}
 
} // namespace ns3