ndn-app.hpp

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

#include "ns3/ndnSIM/model/ndn-common.hpp"
#include "ns3/ndnSIM/model/ndn-app-link-service.hpp"
#include "ns3/ndnSIM/NFD/daemon/face/face.hpp"

#include "ns3/application.h"
#include "ns3/ptr.h"
#include "ns3/callback.h"
#include "ns3/traced-callback.h"

namespace ns3 {

class Packet;

namespace ndn {

class App : public Application {
public:
  static TypeId
  GetTypeId();

  App();
  virtual ~App();

  uint32_t
  GetId() const;

  virtual void
  OnInterest(shared_ptr<const Interest> interest);

  virtual void
  OnData(shared_ptr<const Data> data);

  virtual void
  OnNack(shared_ptr<const lp::Nack> nack);

public:
  typedef void (*InterestTraceCallback)(shared_ptr<const Interest>, Ptr<App>, shared_ptr<Face>);
  typedef void (*DataTraceCallback)(shared_ptr<const Data>, Ptr<App>, shared_ptr<Face>);
  // @TODO add NACK

protected:
  virtual void
  DoInitialize();

  virtual void
  DoDispose();

  // inherited from Application base class. Originally they were private
  virtual void
  StartApplication(); 

  virtual void
  StopApplication(); 

protected:
  bool m_active; 
  shared_ptr<Face> m_face;
  AppLinkService* m_appLink;

  uint32_t m_appId;

  TracedCallback<shared_ptr<const Interest>, Ptr<App>, shared_ptr<Face>>
    m_receivedInterests; 

  TracedCallback<shared_ptr<const Data>, Ptr<App>, shared_ptr<Face>>
    m_receivedDatas; 

  // @TODO add NACK

  TracedCallback<shared_ptr<const Interest>, Ptr<App>, shared_ptr<Face>>
    m_transmittedInterests; 

  TracedCallback<shared_ptr<const Data>, Ptr<App>, shared_ptr<Face>>
    m_transmittedDatas; 

  // @TODO add NACK
};

} // namespace ndn
} // namespace ns3

#endif // NDN_APP_H