BUFUInterface.h

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/*
 * BUFUInterface.h
 *
 *  Created on: Aug 16, 2011
 *      Author: aspataru
 */

#ifndef BUFUINTERFACE_H_
#define BUFUINTERFACE_H_

#include "BaseBU.h"
#include "BaseFU.h"
#include "xdaq/Application.h"

namespace evf {

class BUFUInterface {

public:
    ~BUFUInterface();

    static BUFUInterface* instance();
    static BUFUInterface* forceNewInstance();

    bool registerBU(BaseBU* bu, Logger log);
    bool registerFU(BaseFU* fu, Logger log);

    void allocate(const UIntVec_t& fuResourceIds,
            xdaq::ApplicationDescriptor* fuAppDesc);
    void discard(UInt_t buResourceId);
    void take(xdaq::ApplicationDescriptor* fuAppDesc,
            toolbox::mem::Reference* bufRef);

private:
    static BUFUInterface* instance_;

    BUFUInterface();

    /*
     * private functions
     */
    inline bool directConnection() const {
        return buConn_ && fuConn_;
    }

    /*
     * private fields
     */
    BaseBU* bu_;
    BaseFU* fu_;
    Logger buLogger_, fuLogger_;
    bool buConn_, fuConn_;

};
}

#endif /* BUFUINTERFACE_H_ */