312 lines
11 KiB
C++
312 lines
11 KiB
C++
/*
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SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2012-2018 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-FileCopyrightText: 2015 Chris Campbell <c.j.campbell@ed.ac.uk>
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SPDX-FileCopyrightText: 2015-2016 Teo Mrnjavac <teo@kde.org>
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SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
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SPDX-FileCopyrightText: 2017 Pali Rohár <pali.rohar@gmail.com>
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SPDX-FileCopyrightText: 2017 Adriaan de Groot <groot@kde.org>
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SPDX-FileCopyrightText: 2018 Caio Jordão Carvalho <caiojcarvalho@gmail.com>
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SPDX-FileCopyrightText: 2019 Shubham Jangra <aryan100jangid@gmail.com>
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SPDX-FileCopyrightText: 2020 Arnaud Ferraris <arnaud.ferraris@collabora.com>
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SPDX-FileCopyrightText: 2020 Gaël PORTAY <gael.portay@collabora.com>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifndef KPMCORE_FILESYSTEM_H
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#define KPMCORE_FILESYSTEM_H
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#include "util/libpartitionmanagerexport.h"
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#include <QVariant>
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#include <QList>
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#include <QStringList>
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#include <QString>
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#include <QtGlobal>
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#include <QUrl>
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#include <memory>
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#include <vector>
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class QColor;
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class QValidator;
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class Device;
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class Report;
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struct FileSystemPrivate;
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/** Base class for all FileSystems.
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Represents a file system and handles support for various types of operations that can
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be performed on those.
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@author Volker Lanz <vl@fidra.de>
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*/
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class LIBKPMCORE_EXPORT FileSystem
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{
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Q_DISABLE_COPY(FileSystem)
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public:
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class SupportTool
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{
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public:
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explicit SupportTool(const QString& n = QString(), const QUrl& u = QUrl()) : name(n), url(u) {}
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const QString name;
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const QUrl url;
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};
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/** Supported FileSystem types */
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enum Type : int {
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Unknown,
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Extended,
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Ext2,
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Ext3,
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Ext4,
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LinuxSwap,
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Fat16,
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Fat32,
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Ntfs,
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ReiserFS,
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Reiser4,
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Xfs,
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Jfs,
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Hfs,
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HfsPlus,
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Ufs,
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Unformatted,
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Btrfs,
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Hpfs,
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Luks,
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Ocfs2,
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Zfs,
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Exfat,
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Nilfs2,
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Lvm2_PV,
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F2fs,
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Udf,
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Iso9660,
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Luks2,
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Fat12,
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LinuxRaidMember,
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BitLocker,
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Apfs,
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Minix,
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__lastType
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};
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/** The type of support for a given FileSystem action */
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enum CommandSupportType {
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cmdSupportNone = 0, /**< no support */
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cmdSupportCore = 1, /**< internal support */
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cmdSupportFileSystem = 2, /**< supported by some external command */
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cmdSupportBackend = 4 /**< supported by the backend */
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};
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static const std::vector<QColor> defaultColorCode;
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Q_DECLARE_FLAGS(CommandSupportTypes, CommandSupportType)
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protected:
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FileSystem(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, FileSystem::Type type);
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FileSystem(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, const QVariantMap& features, FileSystem::Type type);
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public:
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virtual ~FileSystem();
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public:
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virtual void init() {}
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virtual void scan(const QString& deviceNode);
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virtual qint64 readUsedCapacity(const QString& deviceNode) const;
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virtual QString readLabel(const QString& deviceNode) const;
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virtual bool create(Report& report, const QString& deviceNode);
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virtual bool createWithLabel(Report& report, const QString& deviceNode, const QString& label);
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virtual bool resize(Report& report, const QString& deviceNode, qint64 newLength) const;
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virtual bool resizeOnline(Report& report, const QString& deviceNode, const QString& mountPoint, qint64 newLength) const;
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virtual bool move(Report& report, const QString& deviceNode, qint64 newStartSector) const;
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virtual bool writeLabel(Report& report, const QString& deviceNode, const QString& newLabel);
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virtual bool writeLabelOnline(Report& report, const QString& deviceNode, const QString& mountPoint, const QString& newLabel);
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virtual bool copy(Report& report, const QString& targetDeviceNode, const QString& sourceDeviceNode) const;
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virtual bool backup(Report& report, const Device& sourceDevice, const QString& deviceNode, const QString& filename) const;
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virtual bool remove(Report& report, const QString& deviceNode) const;
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virtual bool check(Report& report, const QString& deviceNode) const;
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virtual bool updateUUID(Report& report, const QString& deviceNode) const;
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virtual QString readUUID(const QString& deviceNode) const;
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virtual bool updateBootSector(Report& report, const QString& deviceNode) const;
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virtual CommandSupportType supportGetUsed() const {
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return cmdSupportNone; /**< @return CommandSupportType for getting used capacity */
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}
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virtual CommandSupportType supportGetLabel() const {
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return cmdSupportNone; /**< @return CommandSupportType for reading label*/
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}
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virtual CommandSupportType supportCreate() const {
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return cmdSupportNone; /**< @return CommandSupportType for creating */
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}
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virtual CommandSupportType supportCreateWithLabel() const {
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return cmdSupportNone; /**< @return CommandSupportType for creating */
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}
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virtual CommandSupportType supportCreateWithFeatures() const {
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return cmdSupportNone; /**< @return CommandSupportType for creating */
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}
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virtual CommandSupportType supportGrow() const {
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return cmdSupportNone; /**< @return CommandSupportType for growing */
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}
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virtual CommandSupportType supportGrowOnline() const {
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return cmdSupportNone; /**< @return CommandSupportType for online growing */
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}
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virtual CommandSupportType supportShrink() const {
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return cmdSupportNone; /**< @return CommandSupportType for shrinking */
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}
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virtual CommandSupportType supportShrinkOnline() const {
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return cmdSupportNone; /**< @return CommandSupportType for shrinking */
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}
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virtual CommandSupportType supportMove() const {
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return cmdSupportNone; /**< @return CommandSupportType for moving */
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}
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virtual CommandSupportType supportCheck() const {
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return cmdSupportNone; /**< @return CommandSupportType for checking */
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}
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virtual CommandSupportType supportCheckOnline() const {
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return cmdSupportNone; /**< @return CommandSupportType for checking */
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}
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virtual CommandSupportType supportCopy() const {
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return cmdSupportNone; /**< @return CommandSupportType for copying */
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}
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virtual CommandSupportType supportBackup() const {
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return cmdSupportNone; /**< @return CommandSupportType for backing up */
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}
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virtual CommandSupportType supportSetLabel() const {
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return cmdSupportNone; /**< @return CommandSupportType for setting label */
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}
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virtual CommandSupportType supportSetLabelOnline() const {
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return cmdSupportNone; /**< @return CommandSupportType for setting label of mounted file systems */
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}
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virtual CommandSupportType supportUpdateUUID() const {
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return cmdSupportNone; /**< @return CommandSupportType for updating the UUID */
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}
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virtual CommandSupportType supportGetUUID() const {
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return cmdSupportNone; /**< @return CommandSupportType for reading the UUID */
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}
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virtual qint64 minCapacity() const;
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virtual qint64 maxCapacity() const;
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virtual int maxLabelLength() const;
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virtual QValidator* labelValidator(QObject *parent = nullptr) const;
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virtual SupportTool supportToolName() const;
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virtual bool supportToolFound() const;
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/**
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* Returns the (possibly translated) name of the type of this filesystem.
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* @see nameForType()
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*/
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virtual QString name(const QStringList& languages = {}) const;
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/**
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* @return the FileSystem's type
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*/
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virtual FileSystem::Type type() const;
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/**
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* Returns the name of the given filesystem type. If @p languages
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* is an empty list, uses the translated name of the filesystem,
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* in the default locale. If languages is {"C"}, an untranslated
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* string is returned. Passing other lists of language identifiers
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* may yield unpredicatable results -- see the documentation of
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* KLocalizedString() for details on the way toString() is used.
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* Returns a single QString with the name.
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*/
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static QString nameForType(FileSystem::Type t, const QStringList& languages = {});
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static QList<FileSystem::Type> types();
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static FileSystem::Type typeForName(const QString& s, const QStringList& languages = {});
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static FileSystem::Type detectFileSystem(const QString& partitionPath);
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static QString detectMountPoint(FileSystem* fs, const QString& partitionPath);
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static bool detectMountStatus(FileSystem* fs, const QString& partitionPath);
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/**< @return true if this FileSystem can be mounted */
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virtual bool canMount(const QString& deviceNode, const QString& mountPoint) const;
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virtual bool canUnmount(const QString&) const {
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return true; /**< @return true if this FileSystem can be unmounted */
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}
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virtual QString mountTitle() const;
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virtual QString unmountTitle() const;
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virtual bool mount(Report& report, const QString& deviceNode, const QString& mountPoint);
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virtual bool unmount(Report& report, const QString& deviceNode);
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/**< @return the FileSystem's first sector */
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qint64 firstSector() const;
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/**< @return the FileSystem's last sector */
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qint64 lastSector() const;
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qint64 length() const {
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return lastSector() - firstSector() + 1; /**< @return the FileSystem's length */
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}
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qint64 firstByte() const {
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return firstSector() * sectorSize(); /**< @return the FileSystem's first byte */
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}
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qint64 lastByte() const {
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return firstByte() + length() * sectorSize() - 1; /**< @return the FileSystem's last byte */
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}
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/**< @param s the new first sector */
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void setFirstSector(qint64 s);
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/**< @param s the new last sector */
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void setLastSector(qint64 s);
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void move(qint64 newStartSector);
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/**< @return the FileSystem's label */
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const QString& label() const;
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/**< @return the FileSystem's available features */
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const QStringList& availableFeatures() const;
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/**< @return the FileSystem's features */
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const QVariantMap& features() const;
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/**< @param the feature's name to add to the FileSystem */
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/**< @param the feature's value to add to the FileSystem */
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void addFeature(const QString& name, const QVariant& value);
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/**< @param features the list of features to add to the FileSystem */
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void addFeatures(const QVariantMap& features);
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/**< @return the sector size in the underlying Device */
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qint64 sectorSize() const;
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/**< @return the sectors in use on the FileSystem */
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qint64 sectorsUsed() const;
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/**< @return the FileSystem's UUID */
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const QString& uuid() const;
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/**< @param s the new value for sector size */
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void setSectorSize(qint64 s);
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/**< @param s the new value for sectors in use */
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void setSectorsUsed(qint64 s);
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/**< @param s the new label */
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void setLabel(const QString& s);
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/**< @param s the new UUID */
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void setUUID(const QString& s);
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protected:
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static bool findExternal(const QString& cmdName, const QStringList& args = QStringList(), int exptectedCode = 1);
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void addAvailableFeature(const QString& name);
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std::unique_ptr<FileSystemPrivate> d;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(FileSystem::CommandSupportTypes)
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#endif
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