partitionmanager/src/fs/linuxswap.cpp

98 lines
3.8 KiB
C++

/***************************************************************************
* Copyright (C) 2008,2009 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 "fs/linuxswap.h"
#include "util/externalcommand.h"
#include <klocale.h>
namespace FS
{
FileSystem::CommandSupportType linuxswap::m_Create = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_Grow = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_Shrink = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_Move = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_Copy = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_GetLabel = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_SetLabel = FileSystem::cmdSupportNone;
FileSystem::CommandSupportType linuxswap::m_GetUUID = FileSystem::cmdSupportNone;
linuxswap::linuxswap(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::LinuxSwap)
{
}
void linuxswap::init()
{
m_SetLabel = m_Shrink = m_Grow = m_Create = (findExternal("mkswap")) ? cmdSupportFileSystem : cmdSupportNone;
m_GetLabel = cmdSupportCore;
m_Copy = cmdSupportCore;
m_Move = cmdSupportCore;
m_GetUUID = cmdSupportCore;
}
bool linuxswap::create(Report& report, const QString& deviceNode) const
{
ExternalCommand cmd(report, "mkswap", QStringList() << deviceNode);
return cmd.run(-1) && cmd.exitCode() == 0;
}
bool linuxswap::resize(Report& report, const QString& deviceNode, qint64) const
{
const QString label = readLabel(deviceNode);
QStringList args;
if (!label.isEmpty())
args << "-L" << label;
args << deviceNode;
ExternalCommand cmd(report, "mkswap", args);
return cmd.run(-1) && cmd.exitCode() == 0;
}
bool linuxswap::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
{
ExternalCommand cmd(report, "mkswap", QStringList() << "-L" << newLabel << deviceNode);
return cmd.run(-1) && cmd.exitCode() == 0;
}
QString linuxswap::mountTitle() const
{
return i18nc("@title:menu", "Activate swap");
}
QString linuxswap::unmountTitle() const
{
return i18nc("@title:menu", "Deactivate swap");
}
bool linuxswap::mount(const QString& deviceNode)
{
ExternalCommand cmd("swapon", QStringList() << deviceNode);
return cmd.run(-1) && cmd.exitCode() == 0;
}
bool linuxswap::unmount(const QString& deviceNode)
{
ExternalCommand cmd("swapoff", QStringList() << deviceNode);
return cmd.run(-1) && cmd.exitCode() == 0;
}
}