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MeshForwarding.hpp

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/******************************************************************************
 * WiFiMac                                                                    *
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 16, D-52074 Aachen, Germany
 * phone: ++49-241-80-27910,
 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/

#ifndef WIFIMAC_PATHSELECTION_MESHFORWARDING_HPP
#define WIFIMAC_PATHSELECTION_MESHFORWARDING_HPP

#include <WIFIMAC/Layer2.hpp>
#include <WIFIMAC/pathselection/ForwardingCommand.hpp>
#include <WIFIMAC/pathselection/IPathSelection.hpp>

#include <WNS/ldk/ManagementServiceInterface.hpp>
#include <WNS/logger/Logger.hpp>

#include <WNS/ldk/Command.hpp>
#include <WNS/ldk/fu/Plain.hpp>

#include <WNS/service/dll/Address.hpp>

#include <DLL/UpperConvergence.hpp>


namespace wifimac { namespace pathselection {

    class MeshForwarding :
        public wns::ldk::fu::Plain<MeshForwarding, ForwardingCommand>
    {
    public:

        MeshForwarding(wns::ldk::fun::FUN* fun, const wns::pyconfig::View& config);

        virtual
        ~MeshForwarding();

    private:
        // FunctionalUnit / CompoundHandlerInterface
        virtual bool doIsAccepting(const wns::ldk::CompoundPtr& _compound) const;
        virtual void doSendData(const wns::ldk::CompoundPtr& _compound);
        virtual void doWakeup();
        virtual void doOnData(const wns::ldk::CompoundPtr& _compound);
        virtual void doOnDataAP(const wns::ldk::CompoundPtr& compound, ForwardingCommand*& fc, dll::UpperCommand*& uc);
        virtual bool doOnDataFRS(const wns::ldk::CompoundPtr& compound, ForwardingCommand*& fc, dll::UpperCommand*& uc);

        virtual void onFUNCreated();

        void printForwardingInformation(ForwardingCommand* fc, dll::UpperCommand* uc) const;

        const wns::pyconfig::View config;
        wns::logger::Logger logger;

        std::string ucName;

        wifimac::Layer2* layer2;
        wifimac::pathselection::IPathSelection* ps;

        const int dot11MeshTTL;

        void sendFrameToOwnBSS(const wns::ldk::CompoundPtr& compound,
                               ForwardingCommand*& fc,
                               dll::UpperCommand*& uc,
                               wns::service::dll::UnicastAddress src,
                               wns::service::dll::UnicastAddress dst);

        bool sendFrameToMP(const wns::ldk::CompoundPtr& compound,
                           ForwardingCommand*& fc,
                           dll::UpperCommand*& uc,
                           wns::service::dll::UnicastAddress src,
                           wns::service::dll::UnicastAddress mpDst);


        bool sendFrameToOtherBSS(const wns::ldk::CompoundPtr& compound,
                                 ForwardingCommand*& fc,
                                 dll::UpperCommand*& uc,
                                 wns::service::dll::UnicastAddress src,
                                 wns::service::dll::UnicastAddress meshSrc,
                                 wns::service::dll::UnicastAddress dst);


        wns::ldk::CompoundPtr
        createForwardingCopy(const wns::ldk::CompoundPtr& compound,
                             ForwardingCommand* originalFC,
                             ForwardingCommand*& copyFC,
                             dll::UpperCommand*& copyUC);
    };
} // mac
} // wifimac

#endif // WIFIMAC_PATHSELECTION_MESHFORWARDING_HPP

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