satellite-cno-helper.cc

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2016 Magister Solutions
 * Copyright (c) 2020 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: Bastien Tauran <bastien.tauran@viveris.fr>
 */
 
#include "satellite-cno-helper.h"
 
#include "ns3/core-module.h"
#include "ns3/enum.h"
#include "ns3/satellite-id-mapper.h"
#include "ns3/satellite-rx-cno-input-trace-container.h"
#include "ns3/satellite-topology.h"
#include "ns3/singleton.h"
 
#include <string>
#include <utility>
 
NS_LOG_COMPONENT_DEFINE("SatelliteCnoHelper");
 
namespace ns3
{
 
NS_OBJECT_ENSURE_REGISTERED(SatCnoHelper);
 
TypeId
SatCnoHelper::GetTypeId(void)
{
    static TypeId tid =
        TypeId("ns3::SatCnoHelper").SetParent<Object>().AddConstructor<SatCnoHelper>();
    return tid;
}
 
SatCnoHelper::SatCnoHelper()
    : m_satHelper(nullptr),
      m_useTraces(false)
{
    Config::Set("/ChannelList/*/$ns3::SatChannel/RxPowerCalculationMode",
                EnumValue(SatEnums::RX_CNO_INPUT_TRACE));
}
 
SatCnoHelper::SatCnoHelper(Ptr<SatHelper> satHelper)
    : m_satHelper(satHelper),
      m_useTraces(false)
{
    Config::Set("/ChannelList/*/$ns3::SatChannel/RxPowerCalculationMode",
                EnumValue(SatEnums::RX_CNO_INPUT_TRACE));
}
 
void
SatCnoHelper::UseTracesForDefault(bool useTraces)
{
    m_useTraces = useTraces;
    ApplyConfiguration();
}
 
void
SatCnoHelper::SetGwNodeCno(Ptr<Node> node, SatEnums::ChannelType_t channel, double cno)
{
    if (channel != SatEnums::FORWARD_FEEDER_CH && channel != SatEnums::RETURN_FEEDER_CH)
    {
        NS_FATAL_ERROR("Can only apply custom GWs C/N0 on feeder channels");
    }
    if (CheckDuplicate(node, channel))
    {
        NS_FATAL_ERROR("Trying to set custom C/N0 several time for same node and channel");
    }
    cnoCustomParams_s params;
    params.node = node;
    params.isGw = true;
    params.constant = true;
    params.channelType = channel;
    params.cno = cno;
    m_customCno.push_back(params);
 
    ApplyConfiguration();
}
 
void
SatCnoHelper::SetUtNodeCno(Ptr<Node> node, SatEnums::ChannelType_t channel, double cno)
{
    if (channel != SatEnums::FORWARD_USER_CH && channel != SatEnums::RETURN_USER_CH)
    {
        NS_FATAL_ERROR("Can only apply custom UTs C/N0 on user channels");
    }
    if (CheckDuplicate(node, channel))
    {
        NS_FATAL_ERROR("Trying to set custom C/N0 several time for same node and channel");
    }
    cnoCustomParams_s params;
    params.node = node;
    params.isGw = false;
    params.constant = true;
    params.channelType = channel;
    params.cno = cno;
    m_customCno.push_back(params);
 
    ApplyConfiguration();
}
 
void
SatCnoHelper::SetGwNodeCno(uint32_t nodeId, SatEnums::ChannelType_t channel, double cno)
{
    SetGwNodeCno(Singleton<SatTopology>::Get()->GetGwNode(nodeId), channel, cno);
}
 
void
SatCnoHelper::SetUtNodeCno(uint32_t nodeId, SatEnums::ChannelType_t channel, double cno)
{
    SetUtNodeCno(Singleton<SatTopology>::Get()->GetUtNode(nodeId), channel, cno);
}
 
void
SatCnoHelper::SetGwNodeCno(NodeContainer nodes, SatEnums::ChannelType_t channel, double cno)
{
    for (uint32_t i = 0; i < nodes.GetN(); i++)
    {
        SetGwNodeCno(nodes.Get(i), channel, cno);
    }
}
 
void
SatCnoHelper::SetUtNodeCno(NodeContainer nodes, SatEnums::ChannelType_t channel, double cno)
{
    for (uint32_t i = 0; i < nodes.GetN(); i++)
    {
        SetUtNodeCno(nodes.Get(i), channel, cno);
    }
}
 
void
SatCnoHelper::SetGwNodeCnoFile(Ptr<Node> node, SatEnums::ChannelType_t channel, std::string path)
{
    if (channel != SatEnums::FORWARD_FEEDER_CH && channel != SatEnums::RETURN_FEEDER_CH)
    {
        NS_FATAL_ERROR("Can only apply custom GWs C/N0 on feeder channels");
    }
    if (CheckDuplicate(node, channel))
    {
        NS_FATAL_ERROR("Trying to set custom C/N0 several time for same node and channel");
    }
    cnoCustomParams_s params;
    params.node = node;
    params.isGw = true;
    params.constant = false;
    params.channelType = channel;
    params.pathToFile = path;
    m_customCno.push_back(params);
 
    ApplyConfiguration();
}
 
void
SatCnoHelper::SetUtNodeCnoFile(Ptr<Node> node, SatEnums::ChannelType_t channel, std::string path)
{
    if (channel != SatEnums::FORWARD_USER_CH && channel != SatEnums::RETURN_USER_CH)
    {
        NS_FATAL_ERROR("Can only apply custom UTs C/N0 on user channels");
    }
    if (CheckDuplicate(node, channel))
    {
        NS_FATAL_ERROR("Trying to set custom C/N0 several time for same node and channel");
    }
    cnoCustomParams_s params;
    params.node = node;
    params.isGw = false;
    params.constant = false;
    params.channelType = channel;
    params.pathToFile = path;
    m_customCno.push_back(params);
 
    ApplyConfiguration();
}
 
void
SatCnoHelper::SetGwNodeCnoFile(uint32_t nodeId, SatEnums::ChannelType_t channel, std::string path)
{
    SetGwNodeCnoFile(Singleton<SatTopology>::Get()->GetGwNode(nodeId), channel, path);
}
 
void
SatCnoHelper::SetUtNodeCnoFile(uint32_t nodeId, SatEnums::ChannelType_t channel, std::string path)
{
    SetUtNodeCnoFile(Singleton<SatTopology>::Get()->GetUtNode(nodeId), channel, path);
}
 
void
SatCnoHelper::ApplyConfiguration()
{
    Singleton<SatRxCnoInputTraceContainer>::Get()->Reset();
 
    std::pair<Address, SatEnums::ChannelType_t> key;
    NodeContainer gws = Singleton<SatTopology>::Get()->GetGwNodes();
    NodeContainer uts = Singleton<SatTopology>::Get()->GetUtNodes();
    // set default value for all nodes
    if (!m_useTraces)
    {
        // use power calculation from satellite-channel
        Ptr<Node> gwNode;
        for (NodeContainer::Iterator it = gws.Begin(); it != gws.End(); it++)
        {
            gwNode = *it;
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetGwMacWithNode(gwNode),
                                 SatEnums::FORWARD_FEEDER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->SetRxCno(key, 0);
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetGwMacWithNode(gwNode),
                                 SatEnums::RETURN_FEEDER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->SetRxCno(key, 0);
        }
        Ptr<Node> utNode;
        for (NodeContainer::Iterator it = uts.Begin(); it != uts.End(); it++)
        {
            utNode = *it;
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetUtMacWithNode(utNode),
                                 SatEnums::FORWARD_USER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->SetRxCno(key, 0);
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetUtMacWithNode(utNode),
                                 SatEnums::RETURN_USER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->SetRxCno(key, 0);
        }
    }
    else
    {
        // use input files from data/rxcnotraces/input folder
        Ptr<Node> gwNode;
        for (NodeContainer::Iterator it = gws.Begin(); it != gws.End(); it++)
        {
            gwNode = *it;
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetGwMacWithNode(gwNode),
                                 SatEnums::FORWARD_FEEDER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->AddNode(key);
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetGwMacWithNode(gwNode),
                                 SatEnums::RETURN_FEEDER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->AddNode(key);
        }
        Ptr<Node> utNode;
        for (NodeContainer::Iterator it = uts.Begin(); it != uts.End(); it++)
        {
            utNode = *it;
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetUtMacWithNode(utNode),
                                 SatEnums::FORWARD_USER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->AddNode(key);
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetUtMacWithNode(utNode),
                                 SatEnums::RETURN_USER_CH);
            Singleton<SatRxCnoInputTraceContainer>::Get()->AddNode(key);
        }
    }
 
    // set custom values. The values will cancel the default values set above
    for (cnoCustomParams_s params : m_customCno)
    {
        if (params.isGw)
        {
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetGwMacWithNode(params.node),
                                 params.channelType);
        }
        else
        {
            key = std::make_pair(Singleton<SatIdMapper>::Get()->GetUtMacWithNode(params.node),
                                 params.channelType);
        }
        if (params.constant)
        {
            // Set constant value
            Singleton<SatRxCnoInputTraceContainer>::Get()->SetRxCno(key, params.cno);
        }
        else
        {
            // Set custom input file
            Singleton<SatRxCnoInputTraceContainer>::Get()->SetRxCnoFile(key, params.pathToFile);
        }
    }
}
 
bool
SatCnoHelper::CheckDuplicate(Ptr<Node> node, SatEnums::ChannelType_t channel)
{
    for (cnoCustomParams_s params : m_customCno)
    {
        if (params.node == node && params.channelType == channel)
        {
            return true;
        }
    }
    return false;
}
 
} // namespace ns3