100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
/*************************************************************************
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* Copyright (C) 2016 by Chantara Tith <tith.chantara@gmail.com> *
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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(KPMCORE_VOLUMEMANAGERDEVICE_H)
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#define KPMCORE_VOLUMEMANAGERDEVICE_H
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#include "util/libpartitionmanagerexport.h"
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#include "core/device.h"
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#include <QString>
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#include <QStringList>
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#include <QObject>
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#include <QtGlobal>
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/** A Volume Manager of physical devices represented as an abstract device.
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*
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* VolumeManagerDevice is an abstract device class for volume manager. e.g: LVM, SoftRAID.
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* example of physical device: /dev/sda, /dev/sdb1.
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*
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* Devices are the outermost entity; they contain a PartitionTable that itself contains Partitions.
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*
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* @see Device, PartitionTable, Partition
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*/
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class LIBKPMCORE_EXPORT VolumeManagerDevice : public Device
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{
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Q_DISABLE_COPY(VolumeManagerDevice)
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public:
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VolumeManagerDevice(const QString& name, const QString& deviceNode, const qint64 logicalSize, const qint64 totalLogical, const QString& iconName = QString(), Device::Type type = Device::Unknown_Device);
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/**
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* @return list of physical device's path that makes up volumeManagerDevice.(e.g: /dev/sda, /dev/sdb1)
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*/
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virtual const QStringList deviceNodes() const = 0;
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/**
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* @return list of logical partition's path.
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*/
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virtual const QStringList partitionNodes() const = 0;
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/**
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* @return size of logical partition at the given path in bytes.
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*/
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virtual qint64 partitionSize(QString& partitionPath) const = 0;
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protected:
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/** Initialize device's partition table and partitions.
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*
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*/
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virtual void initPartitions() = 0;
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/** absolute sector as represented inside the device's partitionTable
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*
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* For VolumeMangerDevice to works with the rest of the codebase, partitions are stringed
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* one after another to create a representation of PartitionTable and partition just like
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* real disk device.
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*
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* @param partitionPath logical partition path
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* @sector sector value to be mapped (if 0, will return start sector of the partition)
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* @return absolute sector value as represented inside device's partitionTable
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*/
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virtual qint64 mappedSector(const QString& partitionPath, qint64 sector) const = 0;
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public:
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/** string deviceNodes together into comma-sperated list
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*
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* @return comma-seperated list of deviceNodes
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*/
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virtual QString prettyDeviceNodeList() const;
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/** Resize device total number of logical sectors.
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*
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* @param n Number of sectors.
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*/
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void setTotalLogical(qint64 n) {
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Q_ASSERT(n > 0);
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m_TotalLogical = n;
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}
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};
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#endif
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