partitionmanager/src/core/copysourcedevice.h

65 lines
2.6 KiB
C++

/***************************************************************************
* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
* *
* 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#if !defined(COPYSOURCEDEVICE__H)
#define COPYSOURCEDEVICE__H
#include "core/copysource.h"
#include <qglobal.h>
#include <parted/parted.h>
class Device;
class CopyTarget;
/** @brief A Device to copy from.
Represents a Device to copy from. Used to copy a Partition to somewhere on the same or
another Device or to backup its FileSystem to a file.
@author vl@fidra.de
*/
class CopySourceDevice : public CopySource
{
public:
CopySourceDevice(Device& d, qint64 firstsector, qint64 lastsector);
~CopySourceDevice();
public:
virtual bool open();
virtual qint32 sectorSize() const;
virtual bool readSectors(void* buffer, qint64 readOffset, qint64 numSectors);
virtual qint64 length() const;
virtual bool overlaps(const CopyTarget& target) const;
virtual qint64 firstSector() const { return m_FirstSector; } /**< @return first sector to copying */
virtual qint64 lastSector() const { return m_LastSector; } /**< @return last sector to copy */
Device& device() { return m_Device; } /**< @return Device to copy from */
const Device& device() const { return m_Device; } /**< @return Device to copy from */
protected:
Device& m_Device;
const qint64 m_FirstSector;
const qint64 m_LastSector;
PedDevice* m_PedDevice;
};
#endif