satellite-fading-input-trace-container.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013 Magister Solutions Ltd.
 *
 * 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: Frans Laakso <frans.laakso@magister.fi>
 */
 
#include "satellite-fading-input-trace-container.h"
 
#include "../utils/satellite-env-variables.h"
#include "satellite-id-mapper.h"
 
#include <ns3/log.h>
#include <ns3/singleton.h>
 
NS_LOG_COMPONENT_DEFINE("SatFadingInputTraceContainer");
 
namespace ns3
{
 
NS_OBJECT_ENSURE_REGISTERED(SatFadingInputTraceContainer);
 
TypeId
SatFadingInputTraceContainer::GetTypeId(void)
{
    static TypeId tid = TypeId("ns3::SatFadingInputTraceContainer")
                            .SetParent<SatBaseTraceContainer>()
                            .AddConstructor<SatFadingInputTraceContainer>();
    return tid;
}
 
TypeId
SatFadingInputTraceContainer::GetInstanceTypeId(void) const
{
    NS_LOG_FUNCTION(this);
 
    return GetTypeId();
}
 
SatFadingInputTraceContainer::SatFadingInputTraceContainer()
{
    NS_LOG_FUNCTION(this);
}
 
SatFadingInputTraceContainer::~SatFadingInputTraceContainer()
{
    NS_LOG_FUNCTION(this);
 
    Reset();
}
 
void
SatFadingInputTraceContainer::DoDispose()
{
    NS_LOG_FUNCTION(this);
 
    Reset();
 
    SatBaseTraceContainer::DoDispose();
}
 
void
SatFadingInputTraceContainer::Reset()
{
    NS_LOG_FUNCTION(this);
 
    if (!m_container.empty())
    {
        m_container.clear();
    }
}
 
Ptr<SatInputFileStreamTimeDoubleContainer>
SatFadingInputTraceContainer::AddNode(key_t key)
{
    NS_LOG_FUNCTION(this);
 
    std::stringstream filename;
    std::string dataPath = Singleton<SatEnvVariables>::Get()->LocateDataDirectory();
 
    int32_t gwId = Singleton<SatIdMapper>::Get()->GetGwIdWithMac(key.first);
    int32_t utId = Singleton<SatIdMapper>::Get()->GetUtIdWithMac(key.first);
    int32_t beamId = Singleton<SatIdMapper>::Get()->GetBeamIdWithMac(key.first);
 
    if (beamId < 0 || (utId < 0 && gwId < 0))
    {
        NS_FATAL_ERROR(
            "SatFadingInputTraceContainer::AddNode - No such MAC address in the trace ID mapper");
    }
    else
    {
        if (utId >= 0 && gwId < 0)
        {
            filename << dataPath << "/fadingtraces/input/BEAM_" << beamId << "_UT_" << utId
                     << "_channelType_" << SatEnums::GetChannelTypeName(key.second);
        }
 
        if (gwId >= 0 && utId < 0)
        {
            filename << dataPath << "/fadingtraces/input/BEAM_" << beamId << "_GW_" << gwId
                     << "_channelType_" << SatEnums::GetChannelTypeName(key.second);
        }
        std::pair<container_t::iterator, bool> result = m_container.insert(
            std::make_pair(key,
                           CreateObject<SatInputFileStreamTimeDoubleContainer>(
                               filename.str().c_str(),
                               std::ios::in,
                               SatBaseTraceContainer::FADING_TRACE_DEFAULT_NUMBER_OF_COLUMNS)));
 
        if (result.second == false)
        {
            NS_FATAL_ERROR("SatFadingInputTraceContainer::AddNode failed");
        }
 
        NS_LOG_INFO("Added node with MAC " << key.first << " channel type " << key.second);
 
        return result.first->second;
    }
 
    NS_FATAL_ERROR("SatFadingInputTraceContainer::AddNode failed");
    return NULL;
}
 
Ptr<SatInputFileStreamTimeDoubleContainer>
SatFadingInputTraceContainer::FindNode(key_t key)
{
    NS_LOG_FUNCTION(this);
 
    container_t::iterator iter = m_container.find(key);
 
    if (iter == m_container.end())
    {
        return AddNode(key);
    }
 
    return iter->second;
}
 
double
SatFadingInputTraceContainer::GetFadingValue(key_t key)
{
    NS_LOG_FUNCTION(this);
 
    return FindNode(key)->ProceedToNextClosestTimeSample().at(
        SatBaseTraceContainer::FADING_TRACE_DEFAULT_FADING_VALUE_INDEX);
}
 
} // namespace ns3