streamdrive.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/streamdrive.h,v 1.21 2017/08/28 10:34:39 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 STREAMDRIVE_H
#define STREAMDRIVE_H

#include "filedrv.h"
#include "bufmod.h"

/* StreamDrive - begin */

class StreamDrive : public FileDrive {
public:
        class Modifier {
        public:
                Modifier(void);
                virtual ~Modifier(void);
                virtual size_t GetSize(void) const = 0;
                virtual void Modify(doublereal *out, const void *in) const = 0;
        };

        class Copy : public StreamDrive::Modifier {
        protected:
                integer m_iND;

        public:
                Copy(integer iND);
                size_t GetSize(void) const;
                void Modify(doublereal *out, const void *in) const;
        };

protected:
        /* MBox buffer */
        int size;
        std::vector<char> buf;

        bool create;

        const Modifier *pMod;

public:
        StreamDrive(unsigned int uL,
                const DriveHandler* pDH,
                const std::string& sFileName,
                integer nd, const std::vector<doublereal>& v0,
                bool c, StreamDrive::Modifier *pmod);

        virtual ~StreamDrive(void);
        void SetModifier(const Modifier *p);
        const StreamDrive::Modifier *pGetModifier(void) const;
};

extern StreamDrive::Modifier *
ReadStreamDriveModifier(MBDynParser& HP, integer nDrives);

/* StreamDrive - end */

/* StreamDriveEcho - begin */

class StreamDriveEcho {
private:
        const DriveHandler *pDrvHdl;
        std::string sOutFileName;
        std::vector<doublereal> echoBuf;
        std::ofstream outFile;
        int iPrecision;
        doublereal dShift;

public:
        StreamDriveEcho(const DriveHandler *pDrvHdl, std::string& sOutFileName, int iPrecision, doublereal dShift);
        ~StreamDriveEcho(void);
        bool bIsEcho(void) const;
        bool Init(const std::string& msg, unsigned uLabel, unsigned nChannels);
        void EchoPrepare(const doublereal *pbuf, unsigned nChannels);
        void Echo(const doublereal *pbuf, unsigned nChannels);
};

extern StreamDriveEcho *
ReadStreamDriveEcho(const DataManager *pDM, MBDynParser& HP);

/* StreamDriveEcho - end */

class StreamDriveCopyCast : public StreamDrive::Modifier
{
protected:
        size_t m_size;
        std::vector<BufCast *> m_data;

public:
        StreamDriveCopyCast(size_t size, const std::vector<BufCast *>& data);
        ~StreamDriveCopyCast(void);

        size_t GetSize(void) const;
        void Modify(doublereal *out, const void *in) const;
};

#endif // STREAMDRIVE_H