bufferstreamdrive.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/bufferstreamdrive.h,v 1.5 2017/01/12 14:46:09 masarati Exp $ */
/*
 * MBDyn (C) is a multibody analysis code.
 * http://www.mbdyn.org
 *
 * Copyright (C) 1996-2017
 *
 * Pierangelo Masarati  <masarati@aero.polimi.it>
 * Paolo Mantegazza     <mantegazza@aero.polimi.it>
 *
 * Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
 * via La Masa, 34 - 20156 Milano, Italy
 * http://www.aero.polimi.it
 *
 * Changing this copyright notice is forbidden.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation (version 2 of the License).
 *
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* socket driver */

#ifndef BUFFERSTREAMDRIVE_H
#define BUFFERSTREAMDRIVE_H

#include "streamdrive.h"

/* BufferStreamDrive_base - begin */

class BufferStreamDrive_base : public StreamDrive {
protected:
        unsigned int InputEvery;
        unsigned int InputCounter;

        StreamDriveEcho *pSDE;

public:
        BufferStreamDrive_base(unsigned int uL,
                const DriveHandler* pDH,
                integer nd, const std::vector<doublereal>& v0,
                StreamDrive::Modifier *pMod,
                unsigned int ie,
                StreamDriveEcho *pSDE);

        virtual ~BufferStreamDrive_base(void);

        const integer GetBufSize(void) const;
        virtual const doublereal *GetBufRaw(void) = 0;

        virtual void ServePending(const doublereal& t);
};

/* BufferStreamDrive_base - end */

/* BufferStreamDrive - begin */

class BufferStreamDrive : public BufferStreamDrive_base {
protected:
        std::vector<doublereal> buffer;

public:
        BufferStreamDrive(unsigned int uL,
                const DriveHandler* pDH,
                integer nd, const std::vector<doublereal>& v0,
                StreamDrive::Modifier *pMod,
                unsigned int ie,
                StreamDriveEcho *pSDE);

        virtual ~BufferStreamDrive(void);

        const doublereal *GetBufRaw(void);
        std::vector<doublereal>& GetBuf(void);

        /* Scrive il contributo del DriveCaller al file di restart */
        virtual std::ostream& Restart(std::ostream& out) const;
};

/* BufferStreamDrive - end */

/* BufferStreamDriveRaw - begin */

class BufferStreamDriveRaw : public BufferStreamDrive_base {
protected:
        bool m_bOwnsMemory;
        const doublereal *m_pBuffer;

public:
        BufferStreamDriveRaw(unsigned int uL,
                const DriveHandler* pDH,
                integer nd, const std::vector<doublereal>& v0,
                StreamDrive::Modifier *pMod,
                unsigned int ie,
                StreamDriveEcho *pSDE,
                bool bOwnsMemory);

        virtual ~BufferStreamDriveRaw(void);

        bool bOwnsMemory(void) const;
        void SetBufRaw(integer n, const doublereal *p);
        const doublereal *GetBufRaw(void);

        /* Scrive il contributo del DriveCaller al file di restart */
        virtual std::ostream& Restart(std::ostream& out) const;
};

/* BufferStreamDrive - end */

class DataManager;
class MBDynParser;

struct BufferStreamDR : public DriveRead {
public:
        BufferStreamDR(void) { NO_OP; };

        virtual Drive *
        Read(unsigned uLabel, const DataManager *pDM, MBDynParser& HP);
};

#endif /* BUFFERSTREAMDRIVE_H */