kpmcore/src/core/device.h

96 lines
4.2 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 3 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, see <http://www.gnu.org/licenses/>.*
*************************************************************************/
#if !defined(DEVICE__H)
#define DEVICE__H
#include "../util/libpartitionmanagerexport.h"
#include <QString>
#include <QObject>
#include <qglobal.h>
class PartitionTable;
class CreatePartitionTableOperation;
class CoreBackend;
class SmartStatus;
/** A device.
Represents a device like /dev/sda.
Devices are the outermost entity; they contain a PartitionTable that itself contains Partitions.
@see PartitionTable, Partition
@author Volker Lanz <vl@fidra.de>
*/
class LIBKPMCORE_EXPORT Device : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(Device)
friend class CreatePartitionTableOperation;
friend class CoreBackend;
public:
Device(const QString& name, const QString& devicenode, qint32 heads, qint32 numSectors, qint32 cylinders, qint64 sectorSize, const QString& iconname = QString());
~Device();
public:
bool operator==(const Device& other) const;
bool operator!=(const Device& other) const;
const QString& name() const { return m_Name; } /**< @return the Device's name, usually some manufacturer string */
const QString& deviceNode() const { return m_DeviceNode; } /**< @return the Device's node, for example "/dev/sda" */
PartitionTable* partitionTable() { return m_PartitionTable; } /**< @return the Device's PartitionTable */
const PartitionTable* partitionTable() const { return m_PartitionTable; } /**< @return the Device's PartitionTable */
qint32 heads() const { return m_Heads; } /**< @return the number of heads on the Device in CHS notation */
qint32 cylinders() const { return m_Cylinders; } /**< @return the number of cylinders on the Device in CHS notation */
qint32 sectorsPerTrack() const { return m_SectorsPerTrack; } /**< @return the number of sectors on the Device in CHS notation */
qint32 physicalSectorSize() const { return m_PhysicalSectorSize; } /**< @return the physical sector size the Device uses or -1 if unknown */
qint32 logicalSectorSize() const { return m_LogicalSectorSize; } /**< @return the logical sector size the Device uses */
qint64 totalSectors() const { return static_cast<qint64>(heads()) * cylinders() * sectorsPerTrack(); } /**< @return the total number of sectors on the device */
qint64 capacity() const { return totalSectors() * logicalSectorSize(); } /**< @return the Device's capacity in bytes */
qint64 cylinderSize() const { return static_cast<qint64>(heads()) * sectorsPerTrack(); } /**< @return the size of a cylinder on this Device in sectors */
void setIconName(const QString& name) { m_IconName = name; }
const QString& iconName() const { return m_IconName; } /**< @return suggested icon name for this Device */
SmartStatus& smartStatus() { return *m_SmartStatus; }
const SmartStatus& smartStatus() const { return *m_SmartStatus; }
QString prettyName() const;
void setPartitionTable(PartitionTable* ptable) { m_PartitionTable = ptable; }
private:
QString m_Name;
QString m_DeviceNode;
PartitionTable* m_PartitionTable;
qint32 m_Heads;
qint32 m_SectorsPerTrack;
qint32 m_Cylinders;
qint32 m_LogicalSectorSize;
qint32 m_PhysicalSectorSize;
QString m_IconName;
SmartStatus* m_SmartStatus;
};
#endif