gparted/src/xfs.cc

399 lines
12 KiB
C++

/* Copyright (C) 2004 Bart
* Copyright (C) 2008, 2009, 2010 Curtis Gedak
*
* 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../include/xfs.h"
#include <cerrno>
namespace GParted
{
FS xfs::get_filesystem_support()
{
FS fs ;
fs .filesystem = GParted::FS_XFS ;
if ( ! Glib::find_program_in_path( "xfs_db" ) .empty() )
{
fs .read = GParted::FS::EXTERNAL ;
fs .read_label = FS::EXTERNAL ;
}
if ( ! Glib::find_program_in_path( "xfs_admin" ) .empty() )
fs .write_label = FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "mkfs.xfs" ) .empty() )
fs .create = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "xfs_repair" ) .empty() )
fs .check = GParted::FS::EXTERNAL ;
//resizing of xfs requires xfs_growfs, xfs_repair, mount, umount and xfs support in the kernel
if ( ! Glib::find_program_in_path( "xfs_growfs" ) .empty() &&
! Glib::find_program_in_path( "mount" ) .empty() &&
! Glib::find_program_in_path( "umount" ) .empty() &&
fs .check )
{
Glib::ustring line ;
std::ifstream input( "/proc/filesystems" ) ;
while ( input >> line )
if ( line == "xfs" )
{
fs .grow = GParted::FS::EXTERNAL ;
break ;
}
input .close( ) ;
}
if ( ! Glib::find_program_in_path( "xfsdump" ) .empty() &&
! Glib::find_program_in_path( "xfsrestore" ) .empty() &&
! Glib::find_program_in_path( "mount" ) .empty() &&
! Glib::find_program_in_path( "umount" ) .empty() &&
fs .check && fs .create )
fs .copy = GParted::FS::EXTERNAL ;
if ( fs .check )
fs .move = GParted::FS::GPARTED ;
fs .MIN = 32 * MEBIBYTE ;//official minsize = 16MB, but the smallest xfs_repair can handle is 32MB...
return fs ;
}
void xfs::set_used_sectors( Partition & partition )
{
if ( ! Utils::execute_command(
"xfs_db -c 'sb 0' -c 'print blocksize' -c 'print fdblocks' -r " + partition .get_path(),
output,
error,
true ) )
{
//blocksize
if ( sscanf( output .c_str(), "blocksize = %Ld", &S ) != 1 )
S = -1 ;
//free blocks
index = output .find( "fdblocks" ) ;
if ( index > output .length() ||
sscanf( output .substr( index ) .c_str(), "fdblocks = %Ld", &N ) != 1 )
N = -1 ;
if ( N > -1 && S > -1 )
partition .Set_Unused( Utils::round( N * ( S / double(partition .sector_size) ) ) ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
void xfs::read_label( Partition & partition )
{
if ( ! Utils::execute_command( "xfs_db -r -c 'label' " + partition .get_path(), output, error, true ) )
{
partition .label = Utils::regexp_label( output, "^label = \"(.*)\"" ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
bool xfs::write_label( const Partition & partition, OperationDetail & operationdetail )
{
Glib::ustring cmd = "" ;
if( partition .label .empty() )
cmd = String::ucompose( "xfs_admin -L -- %1", partition .get_path() ) ;
else
cmd = String::ucompose( "xfs_admin -L \"%1\" %2", partition .label, partition .get_path() ) ;
return ! execute_command( cmd, operationdetail ) ;
}
bool xfs::create( const Partition & new_partition, OperationDetail & operationdetail )
{
//mkfs.xfs will not create file system if label is longer than 12 characters, hence truncation.
Glib::ustring label = new_partition .label ;
if( label .length() > 12 )
label = label.substr( 0, 12 ) ;
return ! execute_command( "mkfs.xfs -f -L \"" + label + "\" " + new_partition .get_path(), operationdetail ) ;
}
bool xfs::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
{
bool return_value = false ;
Glib::ustring error ;
Glib::ustring TEMP_MP = Glib::get_tmp_dir() + "/gparted_tmp_xfs_mount_point" ;
//create mount point...
operationdetail .add_child( OperationDetail( String::ucompose( _("create temporary mount point (%1)"), TEMP_MP ) ) ) ;
if ( ! mkdir( TEMP_MP .c_str(), 0 ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//mount partition
operationdetail .add_child(
OperationDetail( String::ucompose( _("mount %1 on %2"), partition_new .get_path(), TEMP_MP ) ) ) ;
if ( ! execute_command( "mount -v -t xfs " + partition_new .get_path() + " " + TEMP_MP,
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//grow the mounted file system..
operationdetail .add_child( OperationDetail( _("grow mounted file system") ) ) ;
if ( ! execute_command ( "xfs_growfs " + TEMP_MP, operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
return_value = true ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
}
//and unmount it...
operationdetail .add_child(
OperationDetail( String::ucompose( _("unmount %1"), partition_new .get_path() ) ) ) ;
if ( ! execute_command( "umount -v " + partition_new .get_path(),
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
return_value = false ;
}
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
}
//remove the mount point..
operationdetail .add_child(
OperationDetail( String::ucompose( _("remove temporary mount point (%1)"), TEMP_MP ) ) ) ;
if ( ! rmdir( TEMP_MP .c_str() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
operationdetail .get_last_child() .add_child(
OperationDetail( Glib::strerror( errno ), STATUS_NONE ) ) ;
return_value = false ;
}
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
operationdetail .get_last_child() .add_child( OperationDetail( Glib::strerror( errno ), STATUS_NONE ) ) ;
}
return return_value ;
}
bool xfs::move( const Partition & partition_new
, const Partition & partition_old
, OperationDetail & operationdetail
)
{
return true ;
}
bool xfs::copy( const Glib::ustring & src_part_path,
const Glib::ustring & dest_part_path,
OperationDetail & operationdetail )
{
bool return_value = false ;
Glib::ustring error ;
Glib::ustring SRC = Glib::get_tmp_dir() + "/gparted_tmp_xfs_src_mount_point" ;
Glib::ustring DST = Glib::get_tmp_dir() + "/gparted_tmp_xfs_dest_mount_point" ;
//create xfs file system on destination..
/*TO TRANSLATORS: looks like Create new xfs file system */
operationdetail .add_child( OperationDetail(
String::ucompose( _("create new %1 file system"), Utils::get_filesystem_string( FS_XFS ) ) ) ) ;
if ( create( Partition( dest_part_path ), operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//create source mount point...
operationdetail .add_child(
OperationDetail( String::ucompose( _("create temporary mount point (%1)"), SRC ) ) ) ;
if ( ! mkdir( SRC .c_str(), 0 ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//create destination mount point...
operationdetail .add_child(
OperationDetail( String::ucompose( _("create temporary mount point (%1)"), DST ) ) ) ;
if ( ! mkdir( DST .c_str(), 0 ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//mount source partition
operationdetail .add_child(
OperationDetail( String::ucompose( _("mount %1 on %2"), src_part_path, SRC ) ) ) ;
if ( ! execute_command( "mount -v -t xfs -o noatime,ro " + src_part_path + " " + SRC,
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//mount destination partition
operationdetail .add_child(
OperationDetail( String::ucompose( _("mount %1 on %2"), dest_part_path, DST ) ) ) ;
if ( ! execute_command( "mount -v -t xfs " + dest_part_path + " " + DST,
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
//copy file system..
operationdetail .add_child( OperationDetail( _("copy file system") ) ) ;
if ( ! execute_command(
"xfsdump -J - " + SRC + " | xfsrestore -J - " + DST,
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
return_value = true ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
}
//unmount destination partition
operationdetail .add_child(
OperationDetail( String::ucompose( _("unmount %1"),
dest_part_path ) ) ) ;
if ( ! execute_command( "umount -v " + dest_part_path,
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
return_value = false ;
}
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
}
//unmount source partition
operationdetail .add_child(
OperationDetail( String::ucompose( _("unmount %1"), src_part_path ) ) ) ;
if ( ! execute_command( "umount -v " + src_part_path,
operationdetail .get_last_child() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
return_value = false ;
}
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
}
//remove destination mount point..
operationdetail .add_child(
OperationDetail( String::ucompose( _("remove temporary mount point (%1)"), DST ) ) ) ;
if ( ! rmdir( DST .c_str() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
operationdetail .get_last_child() .add_child(
OperationDetail( Glib::strerror( errno ), STATUS_NONE ) ) ;
return_value = false ;
}
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
operationdetail .get_last_child() .add_child(
OperationDetail( Glib::strerror( errno ), STATUS_NONE ) ) ;
}
//remove source mount point..
operationdetail .add_child(
OperationDetail( String::ucompose( _("remove temporary mount point (%1)"), SRC ) ) ) ;
if ( ! rmdir( SRC .c_str() ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
operationdetail .get_last_child() .add_child(
OperationDetail( Glib::strerror( errno ), STATUS_NONE ) ) ;
return_value = false ;
}
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
operationdetail .get_last_child() .add_child(
OperationDetail( Glib::strerror( errno ), STATUS_NONE ) ) ;
}
}
else
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
return return_value ;
}
bool xfs::check_repair( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "xfs_repair -v " + partition .get_path(), operationdetail ) ;
}
} //GParted