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APCSlave.cpp

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 * This file is part of openWNS (open Wireless Network Simulator)
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 * Copyright (C) 2004-2009
 * Chair of Communication Networks (ComNets)
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 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#include <WNS/scheduler/strategy/apcstrategy/APCSlave.hpp>
#include <WNS/scheduler/strategy/apcstrategy/APCStrategy.hpp>
#include <WNS/scheduler/strategy/StrategyInterface.hpp>
#include <WNS/scheduler/SchedulerTypes.hpp>
#include <vector>
#include <iostream>
#include <algorithm>

using namespace wns::scheduler;
using namespace wns::scheduler::strategy;
using namespace wns::scheduler::strategy::apcstrategy;

STATIC_FACTORY_REGISTER_WITH_CREATOR(APCSlave,
                     APCStrategyInterface,
                     "APCSlave",
                     wns::PyConfigViewCreator);

APCSlave::APCSlave(const wns::pyconfig::View& config)
    : APCStrategy(config)
{
}

APCSlave::~APCSlave()
{
}

// called before each timeSlot/frame
void
APCSlave::initialize(SchedulerStatePtr schedulerState,
                  SchedulingMapPtr schedulingMap)
{
    APCStrategy::initialize(schedulerState,schedulingMap); // must always initialize base class too
    MESSAGE_SINGLE(NORMAL, logger, "APCSlave::initialize("<<apcstrategyName<<")");
} // initialize

APCResult
APCSlave::doStartAPC(RequestForResource& request,
                     SchedulerStatePtr schedulerState,
                     SchedulingMapPtr schedulingMap)
{
    // no power control, just nominal values
    APCResult apcResult;
    assure(request.subChannel>=0,"need a valid subChannel");
    assure(request.timeSlot  >=0,"need a valid timeSlot");
    assure(request.spatialLayer      >=0,"need a valid spatialLayer");
        if (request.phyModePtr == wns::service::phy::phymode::PhyModeInterfacePtr()) 
        { // not given? Hmm.
            request.phyModePtr = schedulingMap->getPhyModeUsedInResource(request.subChannel,request.timeSlot,request.spatialLayer);
            assure(request.phyModePtr != wns::service::phy::phymode::PhyModeInterfacePtr(),
                   "APCSlave requires given phyMode");
        }
        wns::Power txPower = schedulingMap->getTxPowerUsedInResource(request.subChannel,request.timeSlot,request.spatialLayer);
        assure(schedulerState->defaultTxPower!=wns::Power(),
             "APCSlave requires defaultTxPower");
        assure(txPower!=wns::Power(),
             "APCSlave requires given TxPower");
        apcResult.txPower    = txPower; // must be given
        apcResult.phyModePtr = request.phyModePtr; // must be given
    //wns::Ratio pathloss     = request.cqiOnSubChannel.pathloss;
    //wns::Power interference = request.cqiOnSubChannel.interference;
    //apcResult.sinr = apcResult.txPower/(interference*pathloss);
    //apcResult.estimatedCandI = wns::CandI(apcResult.txPower/pathloss,interference);
    MESSAGE_SINGLE(NORMAL, logger,"doStartAPC("<<request.toString()<<"): "
               <<"TxP="<<apcResult.txPower);
    //MESSAGE_SINGLE(NORMAL, logger,"doStartAPC("<<request.toString()<<"): "
    //         <<"TxP="<<apcResult.txPower<<", pl="<<pathloss<<", estd: I="<<interference<<", C="<<apcResult.estimatedCandI.C);
    //MESSAGE_SINGLE(NORMAL, logger,"doStartAPC("<<request.toString()<<"): "
    //         <<"SINR="<<apcResult.sinr<<", PhyMode="<<*(apcResult.phyModePtr));
    return apcResult;
}

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