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

/*

 * Copyright (c) 2010 Centre Tecnologic de Telecomunicacions de Catalunya (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>

 * Modified by : Marco Miozzo <mmiozzo@cttc.es>

 *        (move from CQI to Ctrl and Data SINR Chunk processors

 */

#include <ns3/log.h>

#include "lte-sinr-chunk-processor.h"

NS_LOG_COMPONENT_DEFINE ("LteSinrChunkProcessor");

namespace ns3 {

LteSinrChunkProcessor::~LteSinrChunkProcessor ()

{

  NS_LOG_FUNCTION (this);

}

// ------------- LteCtrlSinrChunkProcessor ------------------------------

LteCtrlSinrChunkProcessor::LteCtrlSinrChunkProcessor (Ptr<LtePhy> p)

  : m_phy (p),

  m_spectrumPhy (0)

{

  NS_LOG_FUNCTION (this << p);

  NS_ASSERT (m_phy);

}

LteCtrlSinrChunkProcessor::LteCtrlSinrChunkProcessor (Ptr<LtePhy> p, Ptr<LteSpectrumPhy> s)

: m_phy (p),

  m_spectrumPhy (s)

{

  NS_LOG_FUNCTION (this << p);

  NS_ASSERT (m_phy);

  NS_ASSERT (m_spectrumPhy);

}

LteCtrlSinrChunkProcessor::~LteCtrlSinrChunkProcessor ()

{

  NS_LOG_FUNCTION (this);

}

void 

LteCtrlSinrChunkProcessor::Start ()

{

  NS_LOG_FUNCTION (this);

  m_sumSinr = 0;

  m_totDuration = MicroSeconds (0);

}

void 

LteCtrlSinrChunkProcessor::EvaluateSinrChunk (const SpectrumValue& sinr, Time duration)

{

  NS_LOG_FUNCTION (this << sinr << duration);

  if (m_sumSinr == 0)

    {

      m_sumSinr = Create<SpectrumValue> (sinr.GetSpectrumModel ());

    }

  (*m_sumSinr) += sinr * duration.GetSeconds ();

  m_totDuration += duration;

}

void 

LteCtrlSinrChunkProcessor::End ()

{

  NS_LOG_FUNCTION (this);

  if (m_totDuration.GetSeconds () > 0)

    {

      m_phy->GenerateCtrlCqiReport ((*m_sumSinr) / m_totDuration.GetSeconds ());

      if (m_spectrumPhy)

        {

          m_spectrumPhy->UpdateSinrPerceived ((*m_sumSinr) / m_totDuration.GetSeconds ());

        }

    }

  else

    {

      NS_LOG_WARN ("m_numSinr == 0");

    }

}

// ------------- LteDataSinrChunkProcessor ------------------------------

LteDataSinrChunkProcessor::LteDataSinrChunkProcessor (Ptr<LteSpectrumPhy> s, Ptr<LtePhy> p)

: m_spectrumPhy (s),

  m_phy (p)

{

  NS_LOG_FUNCTION (this << p);

  NS_ASSERT (m_spectrumPhy);

  NS_ASSERT (m_phy);

}

LteDataSinrChunkProcessor::LteDataSinrChunkProcessor (Ptr<LteSpectrumPhy> p)

: m_spectrumPhy (p),

  m_phy (0)

{

  NS_LOG_FUNCTION (this << p);

  NS_ASSERT (m_spectrumPhy);

}

LteDataSinrChunkProcessor::~LteDataSinrChunkProcessor ()

{

  NS_LOG_FUNCTION (this);

}

void 

LteDataSinrChunkProcessor::Start ()

{

  NS_LOG_FUNCTION (this);

  m_sumSinr = 0;

  m_totDuration = MicroSeconds (0);

}

void 

LteDataSinrChunkProcessor::EvaluateSinrChunk (const SpectrumValue& sinr, Time duration)

{

  NS_LOG_FUNCTION (this << sinr << duration);

  if (m_sumSinr == 0)

  {

    m_sumSinr = Create<SpectrumValue> (sinr.GetSpectrumModel ());

  }

  (*m_sumSinr) += sinr * duration.GetSeconds ();

  m_totDuration += duration;

}

void 

LteDataSinrChunkProcessor::End ()

{

  NS_LOG_FUNCTION (this);

  if (m_totDuration.GetSeconds () > 0)

  {

    m_spectrumPhy->UpdateSinrPerceived ((*m_sumSinr) / m_totDuration.GetSeconds ());

    if (m_phy)

      {

        m_phy->GenerateDataCqiReport ((*m_sumSinr) / m_totDuration.GetSeconds ());

      }

  }

  else

  {

    NS_LOG_WARN ("m_numSinr == 0");

  }

}

// ------------- LteRsReceivedPowerChunkProcessor ------------------------------

LteRsReceivedPowerChunkProcessor::LteRsReceivedPowerChunkProcessor (Ptr<LtePhy> p)

: m_phy (p)

{

  NS_LOG_FUNCTION (this << p);

  NS_ASSERT (m_phy);

}

LteRsReceivedPowerChunkProcessor::~LteRsReceivedPowerChunkProcessor ()

{

  NS_LOG_FUNCTION (this);

}

void

LteRsReceivedPowerChunkProcessor::Start ()

{

  NS_LOG_FUNCTION (this);

  m_sumSinr = 0;

  m_totDuration = MicroSeconds (0);

}

void

LteRsReceivedPowerChunkProcessor::EvaluateSinrChunk (const SpectrumValue& sinr, Time duration)

{

  NS_LOG_FUNCTION (this << sinr << duration);

  if (m_sumSinr == 0)

    {

      m_sumSinr = Create<SpectrumValue> (sinr.GetSpectrumModel ());

    }

  (*m_sumSinr) += sinr * duration.GetSeconds ();

  m_totDuration += duration;

}

void

LteRsReceivedPowerChunkProcessor::End ()

{

  NS_LOG_FUNCTION (this);

  if (m_totDuration.GetSeconds () > 0)

    {

      m_phy->ReportRsReceivedPower ((*m_sumSinr) / m_totDuration.GetSeconds ());

    }

  else

    {

      NS_LOG_WARN ("m_numSinr == 0");

    }

}

// ------------- LteInterferencePowerChunkProcessor ------------------------------

LteInterferencePowerChunkProcessor::LteInterferencePowerChunkProcessor (Ptr<LtePhy> p)

: m_phy (p)

{

  NS_LOG_FUNCTION (this << p);

  NS_ASSERT (m_phy);

}

LteInterferencePowerChunkProcessor::~LteInterferencePowerChunkProcessor ()

{

  NS_LOG_FUNCTION (this);

}

void

LteInterferencePowerChunkProcessor::Start ()

{

  NS_LOG_FUNCTION (this);

  m_sumSinr = 0;

  m_totDuration = MicroSeconds (0);

}

void

LteInterferencePowerChunkProcessor::EvaluateSinrChunk (const SpectrumValue& sinr, Time duration)

{

  NS_LOG_FUNCTION (this << sinr << duration);

  if (m_sumSinr == 0)

    {

      m_sumSinr = Create<SpectrumValue> (sinr.GetSpectrumModel ());

    }

  (*m_sumSinr) += sinr * duration.GetSeconds ();

  m_totDuration += duration;

}

void

LteInterferencePowerChunkProcessor::End ()

{

  NS_LOG_FUNCTION (this);

  if (m_totDuration.GetSeconds () > 0)

    {

      m_phy->ReportInterference ((*m_sumSinr) / m_totDuration.GetSeconds ());

    }

  else

    {

      NS_LOG_WARN ("m_numSinr == 0");

    }

}

} // namespace ns3