96 lines
3.1 KiB
C++
96 lines
3.1 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 "core/devicescanner.h"
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#include "backend/corebackend.h"
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#include "backend/corebackendmanager.h"
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#include "core/operationstack.h"
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#include "core/device.h"
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#include "core/lvmdevice.h"
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#include "core/diskdevice.h"
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#include "util/externalcommand.h"
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#include <QRegularExpression>
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#include <QDebug>
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/** Constructs a DeviceScanner
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@param ostack the OperationStack where the devices will be created
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*/
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DeviceScanner::DeviceScanner(QObject* parent, OperationStack& ostack) :
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QThread(parent),
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m_OperationStack(ostack)
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{
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setupConnections();
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}
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void DeviceScanner::setupConnections()
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{
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connect(CoreBackendManager::self()->backend(), &CoreBackend::scanProgress, this, &DeviceScanner::progress);
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}
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void DeviceScanner::clear()
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{
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operationStack().clearOperations();
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operationStack().clearDevices();
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}
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void DeviceScanner::run()
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{
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scan();
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}
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void DeviceScanner::scan()
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{
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emit progress(QString(), 0);
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clear();
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QList<Device*> deviceList = CoreBackendManager::self()->backend()->scanDevices();
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QList<LvmDevice*> lvmList = scanLvmDevices();
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foreach(Device * d, deviceList)
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operationStack().addDevice(d);
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foreach(Device * d, lvmList)
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operationStack().addDevice(d);
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operationStack().sortDevices();
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}
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/* Return list of VG (LvmDevice) on the system */
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QList<LvmDevice*> DeviceScanner::scanLvmDevices() const
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{
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QList<LvmDevice*> lvmList;
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ExternalCommand scanLvm(QStringLiteral("lvm"),
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{ QStringLiteral("vgdisplay")});
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if (scanLvm.run(-1) && scanLvm.exitCode() == 0) {
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QRegularExpression re(QStringLiteral("VG Name\\h+(\\w+)"));
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QRegularExpressionMatchIterator i = re.globalMatch(scanLvm.output());
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while(i.hasNext()) {
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QRegularExpressionMatch vgName = i.next();
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LvmDevice* temp = new LvmDevice(vgName.captured(1));
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lvmList.append(temp);
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}
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}
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return lvmList;
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}
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