propagation-delay-model.h

Go to the documentation of this file.

/*
 * Copyright (c) 2005,2006,2007 INRIA
 *
 * 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */
#ifndef PROPAGATION_DELAY_MODEL_H
#define PROPAGATION_DELAY_MODEL_H
 
#include "ns3/nstime.h"
#include "ns3/object.h"
#include "ns3/ptr.h"
#include "ns3/random-variable-stream.h"
 
namespace ns3
{
 
class MobilityModel;
 
class PropagationDelayModel : public Object
{
  public:
    static TypeId GetTypeId();
    ~PropagationDelayModel() override;
    virtual Time GetDelay(Ptr<MobilityModel> a, Ptr<MobilityModel> b) const = 0;
    int64_t AssignStreams(int64_t stream);
 
  protected:
    virtual int64_t DoAssignStreams(int64_t stream) = 0;
};
 
class RandomPropagationDelayModel : public PropagationDelayModel
{
  public:
    static TypeId GetTypeId();
 
    RandomPropagationDelayModel();
    ~RandomPropagationDelayModel() override;
    Time GetDelay(Ptr<MobilityModel> a, Ptr<MobilityModel> b) const override;
 
  private:
    int64_t DoAssignStreams(int64_t stream) override;
    Ptr<RandomVariableStream> m_variable; 
};
 
class ConstantSpeedPropagationDelayModel : public PropagationDelayModel
{
  public:
    static TypeId GetTypeId();
 
    ConstantSpeedPropagationDelayModel();
    Time GetDelay(Ptr<MobilityModel> a, Ptr<MobilityModel> b) const override;
    void SetSpeed(double speed);
    double GetSpeed() const;
 
  private:
    int64_t DoAssignStreams(int64_t stream) override;
    double m_speed; 
};
 
} // namespace ns3
 
#endif /* PROPAGATION_DELAY_MODEL_H */