ipv4-flow-probe.h

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//
// 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 "flow-probe.h"
#include "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);
    ~Ipv4FlowProbe() override;
 
    static TypeId GetTypeId();
 
    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:
    void DoDispose() override;
 
  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 */