96 lines
4.2 KiB
C++
96 lines
4.2 KiB
C++
/*************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#if !defined(DEVICE__H)
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#define DEVICE__H
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#include "../util/libpartitionmanagerexport.h"
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#include <QString>
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#include <QObject>
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#include <qglobal.h>
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class PartitionTable;
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class CreatePartitionTableOperation;
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class CoreBackend;
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class SmartStatus;
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/** A device.
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Represents a device like /dev/sda.
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Devices are the outermost entity; they contain a PartitionTable that itself contains Partitions.
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@see PartitionTable, Partition
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@author Volker Lanz <vl@fidra.de>
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*/
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class LIBKPMCORE_EXPORT Device : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY(Device)
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friend class CreatePartitionTableOperation;
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friend class CoreBackend;
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public:
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Device(const QString& name, const QString& devicenode, qint32 heads, qint32 numSectors, qint32 cylinders, qint64 sectorSize, const QString& iconname = QString());
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~Device();
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public:
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bool operator==(const Device& other) const;
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bool operator!=(const Device& other) const;
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const QString& name() const { return m_Name; } /**< @return the Device's name, usually some manufacturer string */
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const QString& deviceNode() const { return m_DeviceNode; } /**< @return the Device's node, for example "/dev/sda" */
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PartitionTable* partitionTable() { return m_PartitionTable; } /**< @return the Device's PartitionTable */
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const PartitionTable* partitionTable() const { return m_PartitionTable; } /**< @return the Device's PartitionTable */
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qint32 heads() const { return m_Heads; } /**< @return the number of heads on the Device in CHS notation */
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qint32 cylinders() const { return m_Cylinders; } /**< @return the number of cylinders on the Device in CHS notation */
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qint32 sectorsPerTrack() const { return m_SectorsPerTrack; } /**< @return the number of sectors on the Device in CHS notation */
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qint32 physicalSectorSize() const { return m_PhysicalSectorSize; } /**< @return the physical sector size the Device uses or -1 if unknown */
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qint32 logicalSectorSize() const { return m_LogicalSectorSize; } /**< @return the logical sector size the Device uses */
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qint64 totalSectors() const { return static_cast<qint64>(heads()) * cylinders() * sectorsPerTrack(); } /**< @return the total number of sectors on the device */
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qint64 capacity() const { return totalSectors() * logicalSectorSize(); } /**< @return the Device's capacity in bytes */
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qint64 cylinderSize() const { return static_cast<qint64>(heads()) * sectorsPerTrack(); } /**< @return the size of a cylinder on this Device in sectors */
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void setIconName(const QString& name) { m_IconName = name; }
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const QString& iconName() const { return m_IconName; } /**< @return suggested icon name for this Device */
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SmartStatus& smartStatus() { return *m_SmartStatus; }
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const SmartStatus& smartStatus() const { return *m_SmartStatus; }
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QString prettyName() const;
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void setPartitionTable(PartitionTable* ptable) { m_PartitionTable = ptable; }
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private:
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QString m_Name;
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QString m_DeviceNode;
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PartitionTable* m_PartitionTable;
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qint32 m_Heads;
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qint32 m_SectorsPerTrack;
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qint32 m_Cylinders;
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qint32 m_LogicalSectorSize;
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qint32 m_PhysicalSectorSize;
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QString m_IconName;
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SmartStatus* m_SmartStatus;
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};
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#endif
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