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

/*

 * Copyright (c) 2010 CTTC

 *

 * 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: Nicola Baldo <nbaldo@cttc.es>

 */

#include "spectrum-propagation-loss-model.h"

#include <ns3/log.h>

NS_OBJECT_ENSURE_REGISTERED (SpectrumPropagationLossModel);

SpectrumPropagationLossModel::SpectrumPropagationLossModel ()

  : m_next (0)

{

}

SpectrumPropagationLossModel::~SpectrumPropagationLossModel ()

{

}

void

SpectrumPropagationLossModel::DoDispose ()

{

  m_next = 0;

}

TypeId

SpectrumPropagationLossModel::GetTypeId (void)

{

  static TypeId tid = TypeId ("ns3::SpectrumPropagationLossModel")

    .SetParent<Object> ()

  ;

  return tid;

}

void SpectrumPropagationLossModel::SetNext (Ptr<SpectrumPropagationLossModel> next)

{

  m_next = next;

}

Ptr<SpectrumValue>

SpectrumPropagationLossModel::CalcRxPowerSpectralDensity (Ptr<const SpectrumValue> txPsd,

                                                          Ptr<const MobilityModel> a,

                                                          Ptr<const MobilityModel> b) const

{

  Ptr<SpectrumValue> rxPsd = DoCalcRxPowerSpectralDensity (txPsd, a, b);

  if (m_next != 0)

    {

      rxPsd = m_next->DoCalcRxPowerSpectralDensity (rxPsd, a, b);

    }

  return rxPsd;

}

} // namespace ns3