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Fixed.cpp

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 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
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 * 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/ldk/sar/Fixed.hpp>
#include <WNS/ldk/Layer.hpp>
#include <WNS/Assure.hpp>
#include <WNS/Ttos.hpp>

using namespace wns::ldk;
using namespace wns::ldk::sar;

STATIC_FACTORY_REGISTER_WITH_CREATOR(Fixed, FunctionalUnit, "wns.sar.Fixed", FUNConfigCreator);

Fixed::Fixed(fun::FUN* fuNet, const wns::pyconfig::View& config) :
        SAR<SARCommand>(fuNet, config),
        HasReceptor<>(),
        HasConnector<>(),
        HasDeliverer<>(),
        Delayed<Fixed>(),
        Cloneable<Fixed>(),
        incoming(),
        fragmentNumber(0)
{} // SimpleSAR

void
Fixed::processIncoming(const CompoundPtr& compound)
{
    incoming.push_back(compound);

    SARCommand* command = getCommand(compound->getCommandPool());

    MESSAGE_BEGIN(NORMAL, logger, m, "");
    m << "received fragment number " << command->magic.fragmentNumber
      << " pos: "
      << command->magic.pos
      << " lastFragment: "
      << ( command->peer.lastFragment ? "yes" : "no" )
        ;
    MESSAGE_END();

    assure(command->magic.fragmentNumber == fragmentNumber,
           "Missing fragment number: " + wns::Ttos(fragmentNumber) +
           ", received fragment number: " + wns::Ttos(command->magic.fragmentNumber));

    if(!command->peer.lastFragment)
    {
        ++fragmentNumber;
        return;
    }

    MESSAGE_BEGIN(NORMAL, logger, m, "");
    m << "-> compound complete, starting reassembly";
    MESSAGE_END();

    CommandPool* reassembledPCI = getFUN()->createCommandPool();
    getFUN()->getProxy()->partialCopy(this, reassembledPCI, compound->getCommandPool());
    CompoundPtr reassembled(new Compound(reassembledPCI, compound->getData()));

    incoming.clear();
    fragmentNumber = 0;

    getDeliverer()->getAcceptor(reassembled)->onData(reassembled);
} // processIncoming

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