ndn-l3-tracer.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NDN_L3_TRACER_H
#define NDN_L3_TRACER_H

#include "ns3/ndnSIM/model/ndn-common.hpp"
#include "ns3/ndnSIM/model/ndn-face.hpp"

#include "ns3/ptr.h"
#include "ns3/simple-ref-count.h"

namespace nfd {
namespace pit {
class Entry;
} // namespace pit
} // namespace nfd

namespace ns3 {

class Node;
class Packet;

namespace ndn {

class L3Tracer : public SimpleRefCount<L3Tracer> {
public:
  L3Tracer(Ptr<Node> node);

  L3Tracer(const std::string& node);

  virtual ~L3Tracer();

  virtual void
  PrintHeader(std::ostream& os) const = 0;

  virtual void
  Print(std::ostream& os) const = 0;

protected:
  void
  Connect();

  virtual void
  OutInterests(const Interest&, const Face&) = 0;

  virtual void
  InInterests(const Interest&, const Face&) = 0;

  virtual void
  OutData(const Data&, const Face&) = 0;

  virtual void
  InData(const Data&, const Face&) = 0;

  virtual void
  SatisfiedInterests(const nfd::pit::Entry&, const Face&, const Data&) = 0;

  virtual void
  TimedOutInterests(const nfd::pit::Entry&) = 0;

protected:
  std::string m_node;
  Ptr<Node> m_nodePtr;

  struct Stats {
    inline void
    Reset()
    {
      m_inInterests = 0;
      m_outInterests = 0;
      m_inData = 0;
      m_outData = 0;
      m_satisfiedInterests = 0;
      m_timedOutInterests = 0;

      m_outSatisfiedInterests = 0;
      m_outTimedOutInterests = 0;
    }

    double m_inInterests;
    double m_outInterests;
    double m_inData;
    double m_outData;
    double m_satisfiedInterests;
    double m_timedOutInterests;
    double m_outSatisfiedInterests;
    double m_outTimedOutInterests;
  };
};

inline std::ostream&
operator<<(std::ostream& os, const L3Tracer& tracer)
{
  os << "# ";
  tracer.PrintHeader(os);
  os << "\n";
  tracer.Print(os);
  return os;
}

} // namespace ndn
} // namespace ns3

#endif // NDN_L3_TRACER_H