108 lines
4.0 KiB
C++
108 lines
4.0 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#include "fs/reiser4.h"
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#include "util/externalcommand.h"
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#include <QStringList>
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#include <QRegExp>
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namespace FS
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{
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FileSystem::SupportType reiser4::m_GetUsed = FileSystem::SupportNone;
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FileSystem::SupportType reiser4::m_GetLabel = FileSystem::SupportNone;
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FileSystem::SupportType reiser4::m_Create = FileSystem::SupportNone;
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FileSystem::SupportType reiser4::m_Move = FileSystem::SupportNone;
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FileSystem::SupportType reiser4::m_Check = FileSystem::SupportNone;
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FileSystem::SupportType reiser4::m_Copy = FileSystem::SupportNone;
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FileSystem::SupportType reiser4::m_Backup = FileSystem::SupportNone;
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reiser4::reiser4(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
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FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::Reiser4)
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{
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}
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void reiser4::init()
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{
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m_GetUsed = m_GetLabel = findExternal("debugfs.reiser4", QStringList(), 16) ? SupportExternal : SupportNone;
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m_Create = findExternal("mkfs.reiser4", QStringList(), 16) ? SupportExternal : SupportNone;
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m_Check = findExternal("fsck.reiser4", QStringList(), 16) ? SupportExternal : SupportNone;
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m_Move = m_Copy = (m_Check != SupportNone) ? SupportInternal : SupportNone;
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m_Backup = SupportInternal;
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}
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qint64 reiser4::readUsedCapacity(const QString& deviceNode) const
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{
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ExternalCommand cmd("debugfs.reiser4", QStringList() << deviceNode);
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if (cmd.run())
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{
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qint64 blocks = -1;
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QRegExp rxBlocks("blocks:\\s+(\\d+)");
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if (rxBlocks.indexIn(cmd.output()) != -1)
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blocks = rxBlocks.cap(1).toLongLong();
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qint64 blockSize = -1;
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QRegExp rxBlockSize("blksize:\\s+(\\d+)");
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if (rxBlockSize.indexIn(cmd.output()) != -1)
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blockSize = rxBlockSize.cap(1).toLongLong();
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qint64 freeBlocks = -1;
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QRegExp rxFreeBlocks("free blocks:\\s+(\\d+)");
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if (rxFreeBlocks.indexIn(cmd.output()) != -1)
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freeBlocks = rxFreeBlocks.cap(1).toLongLong();
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if (blocks > - 1 && blockSize > -1 && freeBlocks > -1)
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return (blocks - freeBlocks) * blockSize;
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}
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return -1;
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}
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QString reiser4::readLabel(const QString& deviceNode) const
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{
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ExternalCommand cmd("debugfs.reiser4", QStringList() << deviceNode);
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if (cmd.run())
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{
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QRegExp rxLabel("label:\\s+(<?\\w+>?)");
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if (rxLabel.indexIn(cmd.output()) != -1 && rxLabel.cap(1) != "<none>")
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return rxLabel.cap(1);
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}
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return QString();
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}
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bool reiser4::check(Report& report, const QString& deviceNode) const
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{
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ExternalCommand cmd(report, "fsck.reiser4", QStringList() << "--fix" << "-y" << deviceNode);
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool reiser4::create(Report& report, const QString& deviceNode) const
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{
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return ExternalCommand(report, "mkfs.reiser4", QStringList() << "--yes" << deviceNode).run(-1);
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}
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}
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