kpmcore/src/backend/corebackenddevice.h

99 lines
2.5 KiB
C++

/*
SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
SPDX-FileCopyrightText: 2014-2018 Andrius Štikonas <andrius@stikonas.eu>
SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
SPDX-FileCopyrightText: 2015 Chris Campbell <c.j.campbell@ed.ac.uk>
SPDX-FileCopyrightText: 2017 Adriaan de Groot <groot@kde.org>
SPDX-FileCopyrightText: 2019 Yuri Chornoivan <yurchor@ukr.net
SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef KPMCORE_COREBACKENDDEVICE_H
#define KPMCORE_COREBACKENDDEVICE_H
#include <memory>
#include <QString>
class CoreBackendPartition;
class CoreBackendPartitionTable;
class Partition;
class PartitionTable;
class Report;
/**
* Interface class for devices in the backend plugin.
* For a device description, see Device. This
* CoreBackendDevice can be used for (read- and) write
* operations on the raw device.
*
* @author Volker Lanz <vl@fidra.de>
*/
class CoreBackendDevice
{
public:
explicit CoreBackendDevice(const QString& deviceNode);
virtual ~CoreBackendDevice() {}
public:
/**
* Get the device path for this device (e.g. "/dev/sda")
* @return the device path
*/
virtual const QString& deviceNode() const {
return m_DeviceNode;
}
/**
* Determine if this device is opened in exclusive mode.
* @return true if it is opened in exclusive mode, otherwise false
*/
virtual bool isExclusive() const {
return m_Exclusive;
}
/**
* Open the backend device
* @return true if successful
*/
virtual bool open() = 0;
/**
* Open the backend device in exclusive mode
* @return true if successful
*/
virtual bool openExclusive() = 0;
/**
* Close the backend device
* @return true if successful
*/
virtual bool close() = 0;
/**
* Open this backend device's partition table
* @return a pointer to the CoreBackendPartitionTable for this device or nullptr in case
* of errors
*/
virtual std::unique_ptr<CoreBackendPartitionTable> openPartitionTable() = 0;
/**
* Create a new partition table on this device.
* @param report the Report to write information to
* @param ptable the PartitionTable to create on this backend device
* @return true if successful
*/
virtual bool createPartitionTable(Report& report, const PartitionTable& ptable) = 0;
protected:
void setExclusive(bool b) {
m_Exclusive = b;
}
private:
const QString m_DeviceNode;
bool m_Exclusive;
};
#endif