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/*************************************************************************
* Copyright ( C ) 2012 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 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 "fs/nilfs2.h"
# include "util/externalcommand.h"
# include "util/capacity.h"
# include "util/report.h"
# include <cmath>
# include <QString>
# include <QTemporaryDir>
# include <QUuid>
# include <KLocalizedString>
namespace FS
{
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FileSystem : : CommandSupportType nilfs2 : : m_GetUsed = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_GetLabel = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Create = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Grow = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Shrink = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Move = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Check = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Copy = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_Backup = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_SetLabel = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_UpdateUUID = FileSystem : : cmdSupportNone ;
FileSystem : : CommandSupportType nilfs2 : : m_GetUUID = FileSystem : : cmdSupportNone ;
nilfs2 : : nilfs2 ( qint64 firstsector , qint64 lastsector , qint64 sectorsused , const QString & label ) :
FileSystem ( firstsector , lastsector , sectorsused , label , FileSystem : : Nilfs2 )
{
}
void nilfs2 : : init ( )
{
m_Create = findExternal ( QStringLiteral ( " mkfs.nilfs2 " ) ) ? cmdSupportFileSystem : cmdSupportNone ;
m_Check = findExternal ( QStringLiteral ( " fsck.nilfs2 " ) ) ? cmdSupportFileSystem : cmdSupportNone ;
m_GetLabel = cmdSupportCore ;
m_SetLabel = findExternal ( QStringLiteral ( " nilfs-tune " ) ) ? cmdSupportFileSystem : cmdSupportNone ;
m_UpdateUUID = findExternal ( QStringLiteral ( " nilfs-tune " ) ) ? cmdSupportFileSystem : cmdSupportNone ;
m_Grow = ( m_Check ! = cmdSupportNone & & findExternal ( QStringLiteral ( " nilfs-resize " ) ) ) ? cmdSupportFileSystem : cmdSupportNone ;
m_GetUsed = findExternal ( QStringLiteral ( " nilfs-tune " ) ) ? cmdSupportFileSystem : cmdSupportNone ;
m_Shrink = ( m_Grow ! = cmdSupportNone & & m_GetUsed ! = cmdSupportNone ) ? cmdSupportFileSystem : cmdSupportNone ;
m_Copy = ( m_Check ! = cmdSupportNone ) ? cmdSupportCore : cmdSupportNone ;
m_Move = ( m_Check ! = cmdSupportNone ) ? cmdSupportCore : cmdSupportNone ;
m_GetLabel = cmdSupportCore ;
m_Backup = cmdSupportCore ;
m_GetUUID = cmdSupportCore ;
}
bool nilfs2 : : supportToolFound ( ) const
{
return
m_GetUsed ! = cmdSupportNone & &
m_GetLabel ! = cmdSupportNone & &
m_SetLabel ! = cmdSupportNone & &
m_Create ! = cmdSupportNone & &
m_Check ! = cmdSupportNone & &
m_UpdateUUID ! = cmdSupportNone & &
m_Grow ! = cmdSupportNone & &
m_Shrink ! = cmdSupportNone & &
m_Copy ! = cmdSupportNone & &
m_Move ! = cmdSupportNone & &
m_Backup ! = cmdSupportNone & &
m_GetUUID ! = cmdSupportNone ;
}
FileSystem : : SupportTool nilfs2 : : supportToolName ( ) const
{
return SupportTool ( QStringLiteral ( " nilfs2-utils " ) , QUrl ( QStringLiteral ( " http://code.google.com/p/nilfs2/ " ) ) ) ;
}
qint64 nilfs2 : : minCapacity ( ) const
{
return 128 * Capacity : : unitFactor ( Capacity : : Byte , Capacity : : MiB ) ;
}
qint64 nilfs2 : : maxCapacity ( ) const
{
return Capacity : : unitFactor ( Capacity : : Byte , Capacity : : EiB ) ;
}
qint64 nilfs2 : : maxLabelLength ( ) const
{
return 80 ;
}
bool nilfs2 : : check ( Report & report , const QString & deviceNode ) const
{
ExternalCommand cmd ( report , QStringLiteral ( " fsck.nilfs2 " ) , QStringList ( ) < < deviceNode ) ;
return cmd . run ( - 1 ) & & cmd . exitCode ( ) = = 0 ;
}
bool nilfs2 : : create ( Report & report , const QString & deviceNode ) const
{
ExternalCommand cmd ( report , QStringLiteral ( " mkfs.nilfs2 " ) , QStringList ( ) < < deviceNode ) ;
return cmd . run ( - 1 ) & & cmd . exitCode ( ) = = 0 ;
}
qint64 nilfs2 : : readUsedCapacity ( const QString & deviceNode ) const
{
ExternalCommand cmd ( QStringLiteral ( " nilfs-tune " ) , QStringList ( ) < < QStringLiteral ( " -l " ) < < deviceNode ) ;
if ( cmd . run ( ) ) {
QRegExp rxBlockSize ( QStringLiteral ( " (?:Block size: \\ s+) ( \ \ d + ) " )) ;
QRegExp rxDeviceSize ( QStringLiteral ( " (?:Device size: \\ s+) ( \ \ d + ) " )) ;
QRegExp rxFreeBlocks ( QStringLiteral ( " (?:Free blocks count: \\ s+) ( \ \ d + ) " )) ;
if ( rxBlockSize . indexIn ( cmd . output ( ) ) ! = - 1 & & rxDeviceSize . indexIn ( cmd . output ( ) ) ! = - 1 & & rxFreeBlocks . indexIn ( cmd . output ( ) ) ! = - 1 )
return rxDeviceSize . cap ( 1 ) . toLongLong ( ) - rxBlockSize . cap ( 1 ) . toLongLong ( ) * rxFreeBlocks . cap ( 1 ) . toLongLong ( ) ;
}
return - 1 ;
}
bool nilfs2 : : resize ( Report & report , const QString & deviceNode , qint64 length ) const
{
QTemporaryDir tempDir ;
if ( ! tempDir . isValid ( ) ) {
report . line ( ) < < xi18nc ( " @info/plain " , " Resizing NILFS2 file system on partition <filename>%1</filename> failed: Could not create temp dir. " , deviceNode ) ;
return false ;
}
bool rval = false ;
ExternalCommand mountCmd ( report , QStringLiteral ( " mount " ) , QStringList ( ) < < QStringLiteral ( " -v " ) < < QStringLiteral ( " -t " ) < < QStringLiteral ( " nilfs2 " ) < < deviceNode < < tempDir . path ( ) ) ;
if ( mountCmd . run ( - 1 ) & & mountCmd . exitCode ( ) = = 0 ) {
ExternalCommand resizeCmd ( report , QStringLiteral ( " nilfs-resize " ) , QStringList ( ) < < QStringLiteral ( " -v " ) < < QStringLiteral ( " -y " ) < < deviceNode < < QString : : number ( length ) ) ;
if ( resizeCmd . run ( - 1 ) & & resizeCmd . exitCode ( ) = = 0 )
rval = true ;
else
report . line ( ) < < xi18nc ( " @info/plain " , " Resizing NILFS2 file system on partition <filename>%1</filename> failed: NILFS2 file system resize failed. " , deviceNode ) ;
ExternalCommand unmountCmd ( report , QStringLiteral ( " umount " ) , QStringList ( ) < < tempDir . path ( ) ) ;
if ( ! unmountCmd . run ( - 1 ) & & unmountCmd . exitCode ( ) = = 0 )
report . line ( ) < < xi18nc ( " @info/plain " , " Warning: Resizing NILFS2 file system on partition <filename>%1</filename>: Unmount failed. " , deviceNode ) ;
} else
report . line ( ) < < xi18nc ( " @info/plain " , " Resizing NILFS2 file system on partition <filename>%1</filename> failed: Initial mount failed. " , deviceNode ) ;
return rval ;
}
bool nilfs2 : : writeLabel ( Report & report , const QString & deviceNode , const QString & newLabel )
{
ExternalCommand cmd ( report , QStringLiteral ( " nilfs-tune " ) , QStringList ( ) < < QStringLiteral ( " -l " ) < < newLabel < < deviceNode ) ;
return cmd . run ( - 1 ) & & cmd . exitCode ( ) = = 0 ;
}
bool nilfs2 : : updateUUID ( Report & report , const QString & deviceNode ) const
{
QUuid uuid = QUuid : : createUuid ( ) ;
ExternalCommand cmd ( report , QStringLiteral ( " nilfs-tune " ) , QStringList ( ) < < QStringLiteral ( " -U " ) < < uuid . toString ( ) < < deviceNode ) ;
return cmd . run ( - 1 ) & & cmd . exitCode ( ) = = 0 ;
}
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}