packet-filter.h

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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
 */
 
#ifndef PACKET_FILTER_H
#define PACKET_FILTER_H
 
#include "ns3/object.h"
 
namespace ns3
{
 
class QueueDiscItem;
 
class PacketFilter : public Object
{
  public:
    static TypeId GetTypeId();
 
    PacketFilter();
    ~PacketFilter() override;
 
    static const int PF_NO_MATCH = -1;
 
    int32_t Classify(Ptr<QueueDiscItem> item) const;
 
  private:
    virtual bool CheckProtocol(Ptr<QueueDiscItem> item) const = 0;
 
    virtual int32_t DoClassify(Ptr<QueueDiscItem> item) const = 0;
};
 
} // namespace ns3
 
#endif /* PACKET_FILTER */