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Beacon.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
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#ifndef WIFIMAC_MANAGEMENT_BEACON_HPP
#define WIFIMAC_MANAGEMENT_BEACON_HPP

#include <WIFIMAC/lowerMAC/Manager.hpp>
#include <WIFIMAC/management/ILinkNotification.hpp>
#include <WIFIMAC/pathselection/IPathSelection.hpp>
#include <WIFIMAC/convergence/PhyMode.hpp>

#include <WNS/ldk/fu/Plain.hpp>
#include <WNS/ldk/Delayed.hpp>
#include <WNS/ldk/Command.hpp>
#include <WNS/logger/Logger.hpp>
#include <WNS/events/PeriodicTimeout.hpp>
#include <WNS/events/CanTimeout.hpp>
#include <WNS/service/dll/Address.hpp>
#include <WNS/PowerRatio.hpp>
#include <WNS/pyconfig/Sequence.hpp>

#include <map>

namespace wifimac { namespace management {

    class BeaconCommand :
        public wns::ldk::Command
    {
    public:
        struct {} local;
        struct {
            std::string bssId;
        } peer;
        struct {} magic;
    };

    class Beacon :
        public wns::ldk::fu::Plain<Beacon, BeaconCommand>,
        public wns::ldk::Delayed<Beacon>,
        public LinkNotificator,
        public wns::events::PeriodicTimeout,
        public wns::events::CanTimeout
    {
    public:

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

        virtual
        ~Beacon();

        void processIncoming(const wns::ldk::CompoundPtr& compound);
        void processOutgoing(const wns::ldk::CompoundPtr& compound);
        bool hasCapacity() const;
        const wns::ldk::CompoundPtr hasSomethingToSend() const;
        wns::ldk::CompoundPtr getSomethingToSend();


    private:
        virtual void onFUNCreated();

        virtual void periodically();

        virtual void onTimeout();

        void calculateSizes(const wns::ldk::CommandPool* commandPool, Bit& commandPoolSize, Bit& dataSize) const;

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

        wns::ldk::CompoundPtr currentBeacon;

        const std::string phyUserCommandName;

        wns::simulator::Time scanDuration;
        wns::pyconfig::Sequence scanFrequencies;
        wns::pyconfig::Sequence::iterator<double> freqIter;

        const wifimac::convergence::PhyMode beaconPhyMode;


        const std::string bssId;

        typedef std::map<wns::Power, wns::service::dll::UnicastAddress> power2adrMap;
        power2adrMap beaconRxStrength;
        typedef std::map<wns::service::dll::UnicastAddress, double> adr2frequencyMap;
        adr2frequencyMap bssFrequencies;

        struct Friends
        {
            wifimac::lowerMAC::Manager* manager;
        } friends;
    };


} // mac
} // wifimac

#endif // WIFIMAC_SCHEDULER_HPP

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