ipv4-flow-probe.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
//
// Copyright (c) 2009 INESC Porto
//
// 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
//
// Author: Gustavo J. A. M. Carneiro  <gjc@inescporto.pt> <gjcarneiro@gmail.com>
//

#ifndef IPV4_FLOW_PROBE_H
#define IPV4_FLOW_PROBE_H

#include "ns3/flow-probe.h"
#include "ns3/ipv4-flow-classifier.h"
#include "ns3/ipv4-l3-protocol.h"
#include "ns3/queue-item.h"

namespace ns3 {

class FlowMonitor;
class Node;

class Ipv4FlowProbe : public FlowProbe
{

public:
  Ipv4FlowProbe (Ptr<FlowMonitor> monitor, Ptr<Ipv4FlowClassifier> classifier, Ptr<Node> node);
  virtual ~Ipv4FlowProbe ();

  static TypeId GetTypeId (void);
  
  enum DropReason 
  {
    DROP_NO_ROUTE = 0,

    DROP_TTL_EXPIRE,

    DROP_BAD_CHECKSUM,

    DROP_QUEUE,

    DROP_QUEUE_DISC,

    DROP_INTERFACE_DOWN,   
    DROP_ROUTE_ERROR,   
    DROP_FRAGMENT_TIMEOUT, 
    DROP_INVALID_REASON, 
  };

protected:

  virtual void DoDispose (void);

private:
  void SendOutgoingLogger (const Ipv4Header &ipHeader, Ptr<const Packet> ipPayload, uint32_t interface);
  void ForwardLogger (const Ipv4Header &ipHeader, Ptr<const Packet> ipPayload, uint32_t interface);
  void ForwardUpLogger (const Ipv4Header &ipHeader, Ptr<const Packet> ipPayload, uint32_t interface);
  void DropLogger (const Ipv4Header &ipHeader, Ptr<const Packet> ipPayload,
                   Ipv4L3Protocol::DropReason reason, Ptr<Ipv4> ipv4, uint32_t ifIndex);
  void QueueDropLogger (Ptr<const Packet> ipPayload);
  void QueueDiscDropLogger (Ptr<const QueueDiscItem> item);

  Ptr<Ipv4FlowClassifier> m_classifier; 
  Ptr<Ipv4L3Protocol> m_ipv4; 
};


} // namespace ns3

#endif /* IPV4_FLOW_PROBE_H */