satellite-position-input-trace-container.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2018 CNES
 *
 * 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: Mathias Ettinger <mettinger@toulouse.viveris.com>
 */
 
#include "satellite-position-input-trace-container.h"
 
#include "../utils/satellite-env-variables.h"
 
#include "ns3/log.h"
 
#include <ios>
#include <stdint.h>
#include <string>
#include <utility>
#include <vector>
 
NS_LOG_COMPONENT_DEFINE("SatPositionInputTraceContainer");
 
namespace ns3
{
 
NS_OBJECT_ENSURE_REGISTERED(SatPositionInputTraceContainer);
 
TypeId
SatPositionInputTraceContainer::GetTypeId(void)
{
    static TypeId tid = TypeId("ns3::SatPositionInputTraceContainer")
                            .SetParent<SatBaseTraceContainer>()
                            .AddConstructor<SatPositionInputTraceContainer>();
    return tid;
}
 
SatPositionInputTraceContainer::SatPositionInputTraceContainer()
{
    NS_LOG_FUNCTION(this);
}
 
SatPositionInputTraceContainer::~SatPositionInputTraceContainer()
{
    NS_LOG_FUNCTION(this);
 
    Reset();
}
 
void
SatPositionInputTraceContainer::DoDispose()
{
    NS_LOG_FUNCTION(this);
 
    Reset();
 
    SatBaseTraceContainer::DoDispose();
}
 
void
SatPositionInputTraceContainer::Reset()
{
    NS_LOG_FUNCTION(this);
 
    if (!m_container.empty())
    {
        m_container.clear();
    }
}
 
Ptr<SatInputFileStreamTimeDoubleContainer>
SatPositionInputTraceContainer::AddNode(const std::string& filename)
{
    NS_LOG_FUNCTION(this << filename);
 
    std::pair<container_t::iterator, bool> result = m_container.insert(
        std::make_pair(filename,
                       CreateObject<SatInputFileStreamTimeDoubleContainer>(
                           filename.c_str(),
                           std::ios::in,
                           SatBaseTraceContainer::POSITION_TRACE_DEFAULT_NUMBER_OF_COLUMNS)));
 
    if (result.second == false)
    {
        NS_FATAL_ERROR("SatPositionInputTraceContainer::AddNode failed");
    }
 
    return result.first->second;
}
 
Ptr<SatInputFileStreamTimeDoubleContainer>
SatPositionInputTraceContainer::FindNode(const std::string& key)
{
    NS_LOG_FUNCTION(this);
 
    container_t::iterator iter = m_container.find(key);
 
    if (iter == m_container.end())
    {
        return AddNode(key);
    }
 
    return iter->second;
}
 
GeoCoordinate
SatPositionInputTraceContainer::GetPosition(const std::string& key,
                                            GeoCoordinate::ReferenceEllipsoid_t refEllipsoid)
{
    NS_LOG_FUNCTION(this);
 
    std::vector<double> row = FindNode(key)->InterpolateBetweenClosestTimeSamples();
    return GeoCoordinate(row.at(SatBaseTraceContainer::POSITION_TRACE_DEFAULT_LATITUDE_INDEX),
                         row.at(SatBaseTraceContainer::POSITION_TRACE_DEFAULT_LONGITUDE_INDEX),
                         row.at(SatBaseTraceContainer::POSITION_TRACE_DEFAULT_ALTITUDE_INDEX),
                         refEllipsoid);
}
 
} // namespace ns3