l2-tracer.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef L2_TRACER_H
#define L2_TRACER_H

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

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

namespace ns3 {

class Node;

class L2Tracer : public SimpleRefCount<L2Tracer> {
public:
  L2Tracer(Ptr<Node> node);
  virtual ~L2Tracer(){};

  void
  Connect();

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

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

  virtual void
  Drop(Ptr<const Packet>) = 0;

  // Rx/Tx is NetDevice specific
  // please refer to pyviz.cc in order to extend this tracer

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

  struct Stats {
    void
    Reset()
    {
      m_in = 0;
      m_out = 0;
      m_drop = 0;
    }

    uint64_t m_in;
    uint64_t m_out;
    uint64_t m_drop;
  };
};

inline std::ostream&
operator<<(std::ostream& os, const L2Tracer& tracer)
{
  os << "# ";
  tracer.PrintHeader(os);
  os << "\n";
  tracer.Print(os);
  return os;
}

} // namespace ns3

#endif // L2_TRACER_H