143 lines
5.0 KiB
C++
143 lines
5.0 KiB
C++
/*************************************************************************
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* Copyright (C) 2016 by Chantara Tith <tith.chantara@gmail.com> *
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* Copyright (C) 2016 by Andrius Štikonas <andrius@stikonas.eu> *
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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_LVMDEVICE_H)
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#define KPMCORE_LVMDEVICE_H
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#include "core/device.h"
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#include "core/volumemanagerdevice.h"
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#include "util/libpartitionmanagerexport.h"
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#include <QHash>
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#include <QString>
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#include <QObject>
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#include <QStringList>
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#include <QtGlobal>
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#include <QVector>
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class PartitionTable;
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class Report;
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class Partition;
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class SmartStatus;
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/** Representation of LVM Volume Group(VG).
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Devices are the outermost entity; they contain a PartitionTable that itself contains Partitions.
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@see Device, VolumeManagerDevice, PartitionTable, Partition
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*/
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class LIBKPMCORE_EXPORT LvmDevice : public VolumeManagerDevice
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{
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Q_DISABLE_COPY(LvmDevice)
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public:
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LvmDevice(const QString& name, const QString& iconName = QString());
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~LvmDevice();
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public:
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const QStringList deviceNodes() const override;
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const QStringList partitionNodes() const override;
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qint64 partitionSize(QString& partitionPath) const override;
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static QVector<const Partition*> s_DirtyPVs;
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public:
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static void scanSystemLVM(QList<Device*>& devices);
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static const QStringList getVGs();
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static const QStringList getLVs(const QString& vgName);
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static qint64 getPeSize(const QString& vgName);
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static qint64 getTotalPE(const QString& vgName);
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static qint64 getAllocatedPE(const QString& vgName);
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static qint64 getFreePE(const QString& vgName);
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static QString getUUID(const QString& vgName);
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static QString getField(const QString& fieldName, const QString& vgName = QString());
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static qint64 getTotalLE(const QString& lvPath);
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static bool removeLV(Report& report, LvmDevice& d, Partition& p);
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static bool createLV(Report& report, LvmDevice& d, Partition& p, const QString& lvName);
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static bool createLVSnapshot(Report& report, Partition& p, const QString& name, const qint64 extents = 0);
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static bool resizeLV(Report& report, Partition& p);
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static bool deactivateLV(Report& report, const Partition& p);
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static bool activateLV(const QString& deviceNode);
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static bool removePV(Report& report, LvmDevice& d, const QString& pvPath);
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static bool insertPV(Report& report, LvmDevice& d, const QString& pvPath);
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static bool movePV(Report& report, const QString& pvPath, const QStringList& destinations = QStringList());
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static bool removeVG(Report& report, LvmDevice& d);
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static bool createVG(Report& report, const QString vgName, const QVector<const Partition*>& pvList, const qint32 peSize = 4); // peSize in megabytes
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static bool deactivateVG(Report& report, const LvmDevice& d);
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static bool activateVG(Report& report, const LvmDevice& d);
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protected:
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void initPartitions() override;
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const QList<Partition*> scanPartitions(PartitionTable* pTable) const;
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Partition* scanPartition(const QString& lvPath, PartitionTable* pTable) const;
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qint64 mappedSector(const QString& lvPath, qint64 sector) const override;
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public:
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qint64 peSize() const {
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return m_peSize;
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}
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qint64 totalPE() const {
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return m_totalPE;
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}
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qint64 allocatedPE() const {
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return m_allocPE;
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}
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qint64 freePE() const {
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return m_freePE;
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}
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QString UUID() const {
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return m_UUID;
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}
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QStringList* LVPathList() const {
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return m_LVPathList;
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}
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QVector <const Partition*>& physicalVolumes() {
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return m_PVs;
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}
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const QVector <const Partition*>& physicalVolumes() const {
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return m_PVs;
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}
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protected:
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QHash<QString, qint64>* LVSizeMap() const {
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return m_LVSizeMap;
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}
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private:
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qint64 m_peSize;
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qint64 m_totalPE;
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qint64 m_allocPE;
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qint64 m_freePE;
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QString m_UUID;
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mutable QStringList* m_LVPathList;
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QVector <const Partition*> m_PVs;
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mutable QHash<QString, qint64>* m_LVSizeMap;
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};
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#endif
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