kpmcore/src/jobs/shredfilesystemjob.cpp

89 lines
3.3 KiB
C++

/*************************************************************************
* Copyright (C) 2010 by Volker Lanz <vl@fidra.de> *
* Copyright (C) 2016 by Andrius Štikonas <andrius@stikonas.eu> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>.*
*************************************************************************/
#include "jobs/shredfilesystemjob.h"
#include "core/partition.h"
#include "core/device.h"
#include "core/copysourceshred.h"
#include "core/copytargetdevice.h"
#include "fs/filesystem.h"
#include "fs/filesystemfactory.h"
#include "util/report.h"
#include <QDebug>
#include <KLocalizedString>
/** Creates a new ShredFileSystemJob
@param d the Device the FileSystem is on
@param p the Partition the FileSystem is in
*/
ShredFileSystemJob::ShredFileSystemJob(Device& d, Partition& p, bool randomShred) :
Job(),
m_Device(d),
m_Partition(p),
m_RandomShred(randomShred)
{
}
qint32 ShredFileSystemJob::numSteps() const
{
return 100;
}
bool ShredFileSystemJob::run(Report& parent)
{
Q_ASSERT(device().deviceNode() == partition().devicePath());
if (device().deviceNode() != partition().devicePath()) {
qWarning() << "deviceNode: " << device().deviceNode() << ", partition path: " << partition().devicePath();
return false;
}
bool rval = false;
Report* report = jobStarted(parent);
// Again, a scope for copyTarget and copySource. See MoveFileSystemJob::run()
{
CopyTargetDevice copyTarget(device(), partition().fileSystem().firstSector(), partition().fileSystem().lastSector());
CopySourceShred copySource(partition().capacity(), copyTarget.sectorSize(), m_RandomShred);
if (!copySource.open())
report->line() << xi18nc("@info:progress", "Could not open random data source to overwrite file system.");
else if (!copyTarget.open())
report->line() << xi18nc("@info:progress", "Could not open target partition <filename>%1</filename> to restore to.", partition().deviceNode());
else {
rval = copyBlocks(*report, copyTarget, copySource);
report->line() << i18nc("@info:progress", "Closing device. This may take a few seconds.");
}
}
jobFinished(*report, rval);
return rval;
}
QString ShredFileSystemJob::description() const
{
return xi18nc("@info:progress", "Shred the file system on <filename>%1</filename>", partition().deviceNode());
}