/data/refman/pasoursint/CMSSW_5_2_7_hltpatch2/src/EventFilter/ResourceBroker/interface/RawCache.h

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//
// RawCache.h
// -------
//
// Backup for RawMsgBuf messages containing raw FED data.
//
//  Created on: Nov 16, 2011
//                                                                              Andrei Spataru : aspataru@cern.ch

#ifndef RAWCACHE_H_
#define RAWCACHE_H_

#include "EventFilter/ResourceBroker/interface/RawMsgBuf.h"

namespace evf {

class RawCache {
public:

        static RawCache* getInstance();

        void initialise(unsigned int nMsgs, unsigned int cellSize);
        virtual ~RawCache();

        RawMsgBuf* getMsgToWrite();

        void releaseMsg(unsigned int fuResourceId);

        void printUsage() const;

private:
        static RawCache* instance_;
        RawCache();
        int getFreeSlot() const;
        void setFree(RawMsgBuf* rawCell);

private:
        bool initialised_;
        RawMsgBuf** msgs_;
        unsigned int nMsgs_, cellSize_;
        bool* slotUsage_;
};

}

#endif /* RAWCACHE_H_ */