#ifndef V4PING_H

#define V4PING_H

#include "ns3/application.h"

#include "ns3/traced-callback.h"

#include "ns3/nstime.h"

namespace ns3 {

class Socket;

class V4Ping : public Application

{

public:

  static TypeId GetTypeId (void);

  V4Ping ();

  virtual ~V4Ping ();

private:

  // inherited from Application base class.

  virtual void StartApplication (void);

  virtual void StopApplication (void);

  virtual void DoDispose (void);

  uint32_t GetApplicationId (void) const;

  void Receive (Ptr<Socket> socket);

  Ipv4Address m_remote;

  Ptr<Socket> m_socket;

  uint16_t m_seq;

  TracedCallback<Time> m_traceRtt;

};

} // namespace ns3

#endif /* V4PING_H */