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Concatenation.hpp

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#ifndef WNS_LDK_CONCATENATION_HPP
#define WNS_LDK_CONCATENATION_HPP

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

#include <WNS/pyconfig/View.hpp>
#include <WNS/logger/Logger.hpp>

#include <list>

namespace wns { namespace ldk { namespace concatenation {

    class ConcatenationCommand :
        public Command
    {
    public:
        struct {} local;
        struct {
            std::vector<CompoundPtr> compounds;
        } peer;
        struct {} magic;

        ConcatenationCommand()
        {
            peer.compounds = std::vector<CompoundPtr>();
        }
        ~ConcatenationCommand()
        {
            peer.compounds.clear();
        }
    };

    class Concatenation :
        public fu::Plain<Concatenation, ConcatenationCommand>,
        public Delayed<Concatenation>
    {
    public:
        Concatenation(fun::FUN* fuNet, const wns::pyconfig::View& config);
        ~Concatenation();

        virtual void processIncoming(const CompoundPtr& compound);
        virtual bool hasCapacity() const;
        virtual void processOutgoing(const CompoundPtr& compound);
        virtual const CompoundPtr hasSomethingToSend() const;
        virtual CompoundPtr getSomethingToSend();

        virtual void calculateSizes(const CommandPool* commandPool, Bit& commandPoolSize, Bit& dataSize) const;

    protected:
        CompoundPtr createContainer(const CompoundPtr& firstEntry);

        Bit calculatePadding(Bit pduSize, Bit paddingBoundary) const;

        const Bit maxSize;

        Bit currentSDUSize;

        Bit currentCommandPoolSize;

        CompoundPtr currentCompound;
        // If the last compound is accepted while not sufficent bufferspace is available, then it will be store in full
        CompoundPtr nextCompound;

        int maxEntries;
        int currentEntries;

        const Bit numBitsIfConcatenated;
        const Bit numBitsPerEntry;
        const Bit numBitsIfNotConcatenated;

        const bool countPCISizeOfEntries;
        const Bit entryPaddingBoundary;

        logger::Logger logger;
    };
}}}

#endif // NOT defined WNS_LDK_CONCATENATION_HPP

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