satellite-point-to-point-isl-channel.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2007 University of Washington
 *
 * 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
 *
 * (Based on point-to-point channel)
 * Author: Andre Aguas    March 2020
 * Adapted to SNS-3 by: Bastien Tauran <bastien.tauran@viveris.fr>
 *
 */
 
#ifndef SATELLITE_POINT_TO_POINT_ISL_CHANNEL_H
#define SATELLITE_POINT_TO_POINT_ISL_CHANNEL_H
 
#include "satellite-point-to-point-isl-net-device.h"
 
#include "ns3/channel.h"
#include "ns3/data-rate.h"
#include "ns3/mobility-model.h"
#include "ns3/node.h"
 
#include <cstddef>
#include <stdint.h>
 
namespace ns3
{
 
class PointToPointIslNetDevice;
class Packet;

class PointToPointIslChannel : public Channel
{
  public:
    static TypeId GetTypeId(void);

    PointToPointIslChannel();

    void Attach(Ptr<PointToPointIslNetDevice> device);

    virtual bool TransmitStart(Ptr<const Packet> p,
                               Ptr<PointToPointIslNetDevice> src,
                               Ptr<Node> dst,
                               Time txTime);

    virtual std::size_t GetNDevices(void) const;

    Ptr<PointToPointIslNetDevice> GetPointToPointIslDevice(std::size_t i) const;

    virtual Ptr<NetDevice> GetDevice(std::size_t i) const;
 
  protected:
    Time GetDelay(Ptr<MobilityModel> senderMobility, Ptr<MobilityModel> receiverMobility) const;

    bool IsInitialized(void) const;

    Ptr<PointToPointIslNetDevice> GetSource(uint32_t i) const;

    Ptr<PointToPointIslNetDevice> GetDestination(uint32_t i) const;
 
  private:
    static const std::size_t N_DEVICES = 2;
 
    double m_propagationSpeed; 
    std::size_t m_nDevices;    

    enum WireState
    {
        INITIALIZING,
        IDLE,
        TRANSMITTING,
        PROPAGATING
    };

    class Link
    {
      public:
        Link()
            : m_state(INITIALIZING),
              m_src(0),
              m_dst(0)
        {
        }
 
        WireState m_state;                   
        Ptr<PointToPointIslNetDevice> m_src; 
        Ptr<PointToPointIslNetDevice> m_dst; 
    };
 
    Link m_link[N_DEVICES]; 
};
 
} // namespace ns3
 
#endif /* SATELLITE_POINT_TO_POINT_ISL_CHANNEL_H */