kpmcore/src/core/device.h

144 lines
4.5 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(KPMCORE_DEVICE_H)
#define KPMCORE_DEVICE_H
#include "util/libpartitionmanagerexport.h"
#include <QString>
#include <QObject>
class PartitionTable;
class CreatePartitionTableOperation;
class CoreBackend;
class SmartStatus;
/** A device description.
Represents a device like /dev/sda. Contains information about
the device (name, status, size ..) but does not operate on
the device itself. @see CoreBackendDevice
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
{
Device &operator=(const Device &) = delete;
friend class CreatePartitionTableOperation;
friend class CoreBackend;
public:
enum Type {
Disk_Device = 0,
LVM_Device = 1, /* VG */
RAID_Device = 2, /* software RAID device */
Unknown_Device = 4
};
protected:
explicit Device(const QString& name, const QString& deviceNode, const qint64 logicalSize, const qint64 totalLogical, const QString& iconName = QString(), Device::Type type = Device::Disk_Device);
public:
explicit Device(const Device& other);
virtual ~Device();
public:
virtual bool operator==(const Device& other) const;
virtual bool operator!=(const Device& other) const;
virtual QString& name() {
return m_Name; /**< @return the Device's name, usually some manufacturer string */
}
virtual const QString& name() const {
return m_Name; /**< @return the Device's name, usually some manufacturer string */
}
virtual const QString& deviceNode() const {
return m_DeviceNode; /**< @return the Device's node, for example "/dev/sda" */
}
virtual PartitionTable* partitionTable() {
return m_PartitionTable; /**< @return the Device's PartitionTable */
}
virtual const PartitionTable* partitionTable() const {
return m_PartitionTable; /**< @return the Device's PartitionTable */
}
virtual qint64 capacity() const { /**< @return the Device's capacity in bytes */
return logicalSize() * totalLogical();
}
virtual void setIconName(const QString& name) {
m_IconName = name;
}
virtual const QString& iconName() const {
return m_IconName; /**< @return suggested icon name for this Device */
}
virtual SmartStatus& smartStatus() {
return *m_SmartStatus;
}
virtual const SmartStatus& smartStatus() const {
return *m_SmartStatus;
}
/**
* Change the description of the partition table for different one.
* The device itself is not changed; use CreatePartitionTableOperation
* for that. The Device instance becomes the owner of @p ptable .
*/
virtual void setPartitionTable(PartitionTable* ptable) {
m_PartitionTable = ptable;
}
virtual qint64 logicalSize() const {
return m_LogicalSize;
}
virtual qint64 totalLogical() const {
return m_TotalLogical;
}
virtual Device::Type type() const {
return m_Type;
}
virtual QString prettyName() const;
protected:
QString m_Name;
QString m_DeviceNode;
qint64 m_LogicalSize;
qint64 m_TotalLogical;
PartitionTable* m_PartitionTable;
QString m_IconName;
SmartStatus* m_SmartStatus;
Device::Type m_Type;
};
#endif