2015-06-04 01:29:22 +01:00
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/*************************************************************************
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* Copyright (C) 2008,2009 by Volker Lanz <vl@fidra.de> *
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2016-03-02 19:00:31 +00:00
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* Copyright (C) 2016 by Andrius Štikonas <andrius@stikonas.eu> *
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2015-06-04 01:29:22 +01:00
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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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#include "fs/reiserfs.h"
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#include "util/externalcommand.h"
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#include "util/capacity.h"
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2016-05-12 16:37:37 +01:00
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#include <QRegularExpression>
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2015-06-04 01:29:22 +01:00
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#include <QString>
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#include <QStringList>
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#include <QUuid>
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namespace FS
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{
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2015-07-13 15:16:36 +01:00
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FileSystem::CommandSupportType reiserfs::m_GetUsed = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_GetLabel = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Create = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Grow = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Shrink = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Move = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Check = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Copy = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_Backup = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_SetLabel = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_UpdateUUID = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType reiserfs::m_GetUUID = FileSystem::cmdSupportNone;
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reiserfs::reiserfs(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
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2018-04-07 19:54:30 +01:00
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FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::Type::ReiserFS)
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2015-07-13 15:16:36 +01:00
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{
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}
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void reiserfs::init()
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{
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m_GetLabel = cmdSupportCore;
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2016-04-21 22:48:05 +01:00
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m_GetUsed = findExternal(QStringLiteral("debugreiserfs"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
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2015-07-13 15:16:36 +01:00
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m_SetLabel = findExternal(QStringLiteral("reiserfstune")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Create = findExternal(QStringLiteral("mkfs.reiserfs")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Check = findExternal(QStringLiteral("fsck.reiserfs")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Move = m_Copy = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
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2016-04-21 22:48:05 +01:00
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m_Grow = findExternal(QStringLiteral("resize_reiserfs"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
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2015-07-13 15:16:36 +01:00
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m_Shrink = (m_GetUsed != cmdSupportNone && m_Grow != cmdSupportNone) ? cmdSupportFileSystem : cmdSupportNone;
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m_Backup = cmdSupportCore;
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m_UpdateUUID = findExternal(QStringLiteral("reiserfstune")) ? cmdSupportFileSystem : cmdSupportNone;
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m_GetUUID = cmdSupportCore;
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}
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bool reiserfs::supportToolFound() const
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{
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return
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m_GetUsed != cmdSupportNone &&
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m_GetLabel != cmdSupportNone &&
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m_SetLabel != cmdSupportNone &&
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m_Create != cmdSupportNone &&
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m_Check != cmdSupportNone &&
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m_UpdateUUID != cmdSupportNone &&
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m_Grow != cmdSupportNone &&
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m_Shrink != cmdSupportNone &&
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m_Copy != cmdSupportNone &&
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m_Move != cmdSupportNone &&
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m_Backup != cmdSupportNone &&
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m_GetUUID != cmdSupportNone;
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}
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FileSystem::SupportTool reiserfs::supportToolName() const
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{
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return SupportTool(QStringLiteral("reiserfsprogs"), QUrl(QStringLiteral("http://www.kernel.org/pub/linux/utils/fs/reiserfs/")));
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}
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qint64 reiserfs::minCapacity() const
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{
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2018-04-09 15:14:34 +01:00
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return 32 * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB);
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2015-07-13 15:16:36 +01:00
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}
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qint64 reiserfs::maxCapacity() const
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{
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2018-04-09 15:14:34 +01:00
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return 16 * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::TiB) - Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB);
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2015-07-13 15:16:36 +01:00
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}
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2017-09-11 16:52:20 +01:00
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int reiserfs::maxLabelLength() const
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2015-07-13 15:16:36 +01:00
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{
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return 16;
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}
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qint64 reiserfs::readUsedCapacity(const QString& deviceNode) const
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{
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2016-04-21 22:48:05 +01:00
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ExternalCommand cmd(QStringLiteral("debugreiserfs"), { deviceNode });
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2015-07-13 15:16:36 +01:00
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2016-05-12 16:37:37 +01:00
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if (cmd.run(-1) && cmd.exitCode() == 16) {
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2015-07-13 15:16:36 +01:00
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qint64 blockCount = -1;
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2016-05-12 16:37:37 +01:00
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QRegularExpression re(QStringLiteral("Count of blocks[^:]+: (\\d+)"));
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QRegularExpressionMatch reBlockCount = re.match(cmd.output());
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2015-07-13 15:16:36 +01:00
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2016-05-12 16:37:37 +01:00
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if (reBlockCount.hasMatch())
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blockCount = reBlockCount.captured(1).toLongLong();
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2015-07-13 15:16:36 +01:00
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qint64 blockSize = -1;
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2016-05-12 16:37:37 +01:00
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re.setPattern(QStringLiteral("Blocksize: (\\d+)"));
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QRegularExpressionMatch reBlockSize = re.match(cmd.output());
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2015-07-13 15:16:36 +01:00
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2016-05-12 16:37:37 +01:00
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if (reBlockSize.hasMatch())
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blockSize = reBlockSize.captured(1).toLongLong();
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2015-07-13 15:16:36 +01:00
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qint64 freeBlocks = -1;
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2016-05-12 16:37:37 +01:00
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re.setPattern(QStringLiteral("Free blocks[^:]+: (\\d+)"));
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QRegularExpressionMatch reFreeBlocks = re.match(cmd.output());
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2015-07-13 15:16:36 +01:00
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2016-05-12 16:37:37 +01:00
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if (reFreeBlocks.hasMatch())
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freeBlocks = reFreeBlocks.captured(1).toLongLong();
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2015-07-13 15:16:36 +01:00
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if (blockCount > -1 && blockSize > -1 && freeBlocks > -1)
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return (blockCount - freeBlocks) * blockSize;
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}
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return -1;
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}
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bool reiserfs::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
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{
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2016-04-21 22:48:05 +01:00
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ExternalCommand cmd(report, QStringLiteral("reiserfstune"), { QStringLiteral("--label"), newLabel, deviceNode });
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2015-07-13 15:16:36 +01:00
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool reiserfs::check(Report& report, const QString& deviceNode) const
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{
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2016-04-21 22:48:05 +01:00
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ExternalCommand cmd(report, QStringLiteral("fsck.reiserfs"), { QStringLiteral("--fix-fixable"), QStringLiteral("--quiet"), QStringLiteral("--yes"), deviceNode });
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2015-07-13 15:16:36 +01:00
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return cmd.run(-1) && (cmd.exitCode() == 0 || cmd.exitCode() == 1 || cmd.exitCode() == 256);
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}
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2016-09-05 12:10:56 +01:00
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bool reiserfs::create(Report& report, const QString& deviceNode)
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2015-07-13 15:16:36 +01:00
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{
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2016-04-21 22:48:05 +01:00
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ExternalCommand cmd(report, QStringLiteral("mkfs.reiserfs"), { QStringLiteral("-f"), deviceNode });
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2015-07-13 15:16:36 +01:00
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool reiserfs::resize(Report& report, const QString& deviceNode, qint64 length) const
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{
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2016-05-11 23:00:37 +01:00
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ExternalCommand cmd(report, QStringLiteral("resize_reiserfs"),
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{ deviceNode, QStringLiteral("-q"), QStringLiteral("-s"), QString::number(length) });
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2015-07-13 15:16:36 +01:00
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2017-11-07 22:55:28 +00:00
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bool rval = cmd.write(QByteArrayLiteral("y\n"));
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2015-07-13 15:16:36 +01:00
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if (!rval)
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return false;
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2017-11-07 22:55:28 +00:00
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if (!cmd.start(-1))
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2015-07-13 15:16:36 +01:00
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return false;
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2018-07-21 21:19:31 +01:00
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return cmd.exitCode() == 0 || cmd.exitCode() == 256;
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2015-07-13 15:16:36 +01:00
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}
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2016-08-08 02:01:35 +01:00
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bool reiserfs::resizeOnline(Report& report, const QString& deviceNode, const QString&, qint64 length) const
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{
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return resize(report, deviceNode, length);
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}
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2015-07-13 15:16:36 +01:00
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bool reiserfs::updateUUID(Report& report, const QString& deviceNode) const
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{
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2016-05-12 16:37:37 +01:00
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const QString uuid = QUuid::createUuid().toString().remove(QRegularExpression(QStringLiteral("\\{|\\}")));
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2016-04-21 22:48:05 +01:00
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ExternalCommand cmd(report, QStringLiteral("reiserfstune"), { QStringLiteral("--uuid"), uuid, deviceNode });
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2015-07-13 15:16:36 +01:00
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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2015-06-04 01:29:22 +01:00
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}
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