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createpartitionjob.cpp

/***************************************************************************
 *   Copyright (C) 2008 by Volker Lanz <vl@fidra.de>                       *
 *                                                                         *
 *   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 2 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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
 ***************************************************************************/

#include "jobs/createpartitionjob.h"

#include "core/partition.h"
#include "core/device.h"

#include "util/report.h"

#include <klocale.h>

#include <parted/parted.h>

/** Creates a new CreatePartitionJob
      @param d the Device the Partition to be created will be on
      @param p the Partition to create
*/
00035 CreatePartitionJob::CreatePartitionJob(Device& d, Partition& p) :
      Job(),
      m_Device(d),
      m_Partition(p)
{
}

00042 bool CreatePartitionJob::run(Report& parent)
{
      Q_ASSERT(partition().devicePath() == device().deviceNode());

      bool rval = false;

      Report* report = jobStarted(parent);

      // According to libParted docs, PedPartitionType can be "NULL if unknown". That's obviously wrong,
      // it's a typedef for an enum. So let's use something the libparted devs will hopefully never
      // use...
      PedPartitionType pedType = static_cast<PedPartitionType>(0xffffffff);

      if (partition().roles().has(PartitionRole::Extended))
            pedType = PED_PARTITION_EXTENDED;
      else if (partition().roles().has(PartitionRole::Logical))
            pedType = PED_PARTITION_LOGICAL;
      else if (partition().roles().has(PartitionRole::Primary))
            pedType = PED_PARTITION_NORMAL;
                  
      if (pedType == static_cast<int>(0xffffffff))
      {
            report->line() << i18nc("@info/plain", "Unknown partition role for new partition <filename>%1</filename> (roles: %2)", partition().deviceNode(), partition().roles().toString());
      }
      else if (openPed(device().deviceNode()))
      {
            PedFileSystemType* pedFsType = (partition().roles().has(PartitionRole::Extended) || partition().fileSystem().type() == FileSystem::Unformatted) ? NULL : getPedFileSystemType(partition().fileSystem().type());

            PedPartition* pedPartition = ped_partition_new(pedDisk(), pedType, pedFsType, partition().firstSector(), partition().lastSector());

            if (pedPartition)
            {
                  PedConstraint* pedConstraint = NULL;
                  PedGeometry* pedGeometry = ped_geometry_new(pedDevice(), partition().firstSector(), partition().length());

                  if (pedGeometry)
                        pedConstraint = ped_constraint_exact(pedGeometry);

                  if (pedConstraint)
                  {
                        if (ped_disk_add_partition(pedDisk(), pedPartition, pedConstraint) && commit())
                        {
                              partition().setNumber(pedPartition->num);
                              partition().setState(Partition::StateNone);

                              partition().setFirstSector(pedPartition->geom.start);
                              partition().setLastSector(pedPartition->geom.end);

                              rval = true;
                        }
                        else
                              report->line() << i18nc("@info/plain", "Failed to add partition <filename>%1</filename> to device <filename>%2</filename>.", partition().deviceNode(), device().deviceNode());

                        ped_constraint_destroy(pedConstraint);
                  }
                  else
                        report->line() << i18nc("@info/plain", "Failed to create a new partition: could not get geometry for constraint.");
            }
            else
                  report->line() << i18nc("@info/plain", "Failed to create new partition <filename>%1</filename>.", partition().deviceNode());
      
            closePed();
      }
      else
            report->line() << i18nc("@info/plain", "Could not open device <filename>%1</filename> to create new partition <filename>%2</filename>.", device().deviceNode(), partition().deviceNode());
      
      jobFinished(*report, rval);
      
      return rval;
}

00113 QString CreatePartitionJob::description() const
{
      if (partition().number() > 0)
            return i18nc("@info/plain", "Create new partition <filename>%1</filename>", partition().deviceNode());

      return i18nc("@info/plain", "Create new partition on device <filename>%1</filename>", device().deviceNode());
}

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