133 lines
4.2 KiB
C++
133 lines
4.2 KiB
C++
/*************************************************************************
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* Copyright (C) 2010 by Volker Lanz <vl@fidra.de> *
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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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#include "plugins/libparted/libparteddevice.h"
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#include "plugins/libparted/libpartedpartitiontable.h"
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#include "core/partitiontable.h"
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#include "util/globallog.h"
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#include "util/report.h"
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#include <KLocalizedString>
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LibPartedDevice::LibPartedDevice(const QString& deviceNode) :
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CoreBackendDevice(deviceNode),
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m_PedDevice(nullptr)
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{
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}
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LibPartedDevice::~LibPartedDevice()
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{
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if (pedDevice())
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close();
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}
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bool LibPartedDevice::open()
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{
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Q_ASSERT(pedDevice() == nullptr);
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if (pedDevice())
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return false;
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m_PedDevice = ped_device_get(deviceNode().toLocal8Bit().constData());
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return m_PedDevice != nullptr;
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}
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bool LibPartedDevice::openExclusive()
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{
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bool rval = open() && ped_device_open(pedDevice());
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if (rval)
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setExclusive(true);
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return rval;
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}
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bool LibPartedDevice::close()
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{
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Q_ASSERT(pedDevice());
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if (pedDevice() && isExclusive()) {
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ped_device_close(pedDevice());
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setExclusive(false);
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}
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m_PedDevice = nullptr;
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return true;
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}
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CoreBackendPartitionTable* LibPartedDevice::openPartitionTable()
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{
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CoreBackendPartitionTable* ptable = new LibPartedPartitionTable(pedDevice());
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if (ptable == nullptr || !ptable->open()) {
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delete ptable;
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ptable = nullptr;
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}
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return ptable;
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}
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bool LibPartedDevice::createPartitionTable(Report& report, const PartitionTable& ptable)
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{
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PedDiskType* pedDiskType = ped_disk_type_get(ptable.typeName().toLocal8Bit().constData());
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if (pedDiskType == nullptr) {
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report.line() << xi18nc("@info:progress", "Creating partition table failed: Could not retrieve partition table type \"%1\" for <filename>%2</filename>.", ptable.typeName(), deviceNode());
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return false;
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}
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PedDevice* dev = ped_device_get(deviceNode().toLocal8Bit().constData());
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if (dev == nullptr) {
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report.line() << xi18nc("@info:progress", "Creating partition table failed: Could not open backend device <filename>%1</filename>.", deviceNode());
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return false;
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}
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PedDisk* disk = ped_disk_new_fresh(dev, pedDiskType);
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if (disk == nullptr) {
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report.line() << xi18nc("@info:progress", "Creating partition table failed: Could not create a new partition table in the backend for device <filename>%1</filename>.", deviceNode());
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return false;
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}
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return LibPartedPartitionTable::commit(disk);
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}
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bool LibPartedDevice::readData(QByteArray& buffer, qint64 offset, qint64 size)
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{
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if (!isExclusive())
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return false;
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void *data = malloc(size);
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bool rval = ped_device_read(pedDevice(), data, offset / pedDevice()->sector_size, size / pedDevice()->sector_size);
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buffer = QByteArray(static_cast<char*>(data), size);
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free(data);
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return rval;
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}
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bool LibPartedDevice::writeData(QByteArray& buffer, qint64 offset)
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{
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if (!isExclusive())
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return false;
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return ped_device_write(pedDevice(), static_cast<const void *>(buffer.constData()), offset / pedDevice()->sector_size, buffer.size() / pedDevice()->sector_size);
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}
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