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Combine duplicate code for ext[234] 

There were separate modules for ext3 and ext4 even though there
were virtually no differences with ext2.  Remove the duplicate
modules and patch ext2 to serve as a common reference for all
three sub types.
This commit is contained in:
Phillip Susi 2013-01-21 15:41:24 -05:00 committed by Curtis Gedak
parent 7af47136ff
commit 38dc55d49c
9 changed files with 45 additions and 580 deletions
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2
include/Makefile.am
View File

@ -40,8 +40,6 @@ EXTRA_DIST = \
btrfs.h \
exfat.h \
ext2.h \
ext3.h \
ext4.h \
fat16.h \
fat32.h \
hfs.h \

2
include/ext2.h
View File

@ -27,7 +27,9 @@ namespace GParted
class ext2 : public FileSystem
{
const enum FILESYSTEM specific_type;
public:
ext2( enum FILESYSTEM type ) : specific_type( type ) {};
FS get_filesystem_support() ;
void set_used_sectors( Partition & partition ) ;
void read_label( Partition & partition ) ;

53
include/ext3.h
View File

@ -1,53 +0,0 @@
/* 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.
*/
#ifndef DEFINE_EXT3
#define DEFINE_EXT3
#include "../include/FileSystem.h"
namespace GParted
{
class ext3 : public FileSystem
{
public:
FS get_filesystem_support() ;
void set_used_sectors( Partition & partition ) ;
void read_label( Partition & partition ) ;
bool write_label( const Partition & partition, OperationDetail & operationdetail ) ;
void read_uuid( Partition & partition ) ;
bool write_uuid( const Partition & partition, OperationDetail & operationdetail ) ;
bool create( const Partition & new_partition, OperationDetail & operationdetail ) ;
bool resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition = false ) ;
bool move( const Partition & partition_new
, const Partition & partition_old
, OperationDetail & operationdetail
) ;
bool copy( const Glib::ustring & src_part_path,
const Glib::ustring & dest_part_path,
OperationDetail & operationdetail ) ;
bool check_repair( const Partition & partition, OperationDetail & operationdetail ) ;
bool remove( const Partition & partition, OperationDetail & operationdetail ) ;
};
} //GParted
#endif //EXT3

52
include/ext4.h
View File

@ -1,52 +0,0 @@
/* 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.
*/
#ifndef EXT4_H_
#define EXT4_H_
#include "../include/FileSystem.h"
namespace GParted
{
class ext4 : public FileSystem
{
public:
FS get_filesystem_support() ;
void set_used_sectors( Partition & partition ) ;
void read_label( Partition & partition ) ;
bool write_label( const Partition & partition, OperationDetail & operationdetail ) ;
void read_uuid( Partition & partition ) ;
bool write_uuid( const Partition & partition, OperationDetail & operationdetail ) ;
bool create( const Partition & new_partition, OperationDetail & operationdetail ) ;
bool resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition = false ) ;
bool move( const Partition & partition_new
, const Partition & partition_old
, OperationDetail & operationdetail
) ;
bool copy( const Glib::ustring & src_part_path,
const Glib::ustring & dest_part_path,
OperationDetail & operationdetail ) ;
bool check_repair( const Partition & partition, OperationDetail & operationdetail ) ;
bool remove( const Partition & partition, OperationDetail & operationdetail ) ;
};
} //GParted
#endif /*EXT4_H_*/

8
src/GParted_Core.cc
View File

@ -33,8 +33,6 @@
#include "../include/btrfs.h"
#include "../include/exfat.h"
#include "../include/ext2.h"
#include "../include/ext3.h"
#include "../include/ext4.h"
#include "../include/fat16.h"
#include "../include/fat32.h"
#include "../include/linux_swap.h"
@ -100,9 +98,9 @@ void GParted_Core::find_supported_filesystems()
FILESYSTEM_MAP[ FS_BTRFS ] = new btrfs() ;
FILESYSTEM_MAP[ FS_EXFAT ] = new exfat() ;
FILESYSTEM_MAP[ FS_EXT2 ] = new ext2() ;
FILESYSTEM_MAP[ FS_EXT3 ] = new ext3() ;
FILESYSTEM_MAP[ FS_EXT4 ] = new ext4() ;
FILESYSTEM_MAP[ FS_EXT2 ] = new ext2( FS_EXT2 ) ;
FILESYSTEM_MAP[ FS_EXT3 ] = new ext2( FS_EXT3 ) ;
FILESYSTEM_MAP[ FS_EXT4 ] = new ext2( FS_EXT4 ) ;
FILESYSTEM_MAP[ FS_FAT16 ] = new fat16() ;
FILESYSTEM_MAP[ FS_FAT32 ] = new fat32() ;
FILESYSTEM_MAP[ FS_HFS ] = new hfs() ;

2
src/Makefile.am
View File

@ -50,8 +50,6 @@ gpartedbin_SOURCES = \
btrfs.cc \
exfat.cc \
ext2.cc \
ext3.cc \
ext4.cc \
fat16.cc \
fat32.cc \
hfs.cc \

18
src/ext2.cc
View File

@ -24,7 +24,15 @@ namespace GParted
FS ext2::get_filesystem_support()
{
FS fs ;
fs .filesystem = FS_EXT2 ;
fs .filesystem = specific_type;
//Only enable any functionality if the relevant mkfs.extX command is
// found to ensure that the version of e2fsprogs is new enough to
// support ext4. Applying to ext2/3 too is OK as relevant mkfs.ext2/3
// commands exist.
if ( ! Glib::find_program_in_path( "mkfs." + Utils::get_filesystem_string( specific_type ) ).empty() )
{
fs .create = FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "dumpe2fs" ) .empty() )
fs .read = FS::EXTERNAL ;
@ -39,9 +47,6 @@ FS ext2::get_filesystem_support()
fs .write_label = FS::EXTERNAL ;
}
if ( ! Glib::find_program_in_path( "mkfs.ext2" ) .empty() )
fs .create = FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "e2fsck" ) .empty() )
fs .check = FS::EXTERNAL ;
@ -60,6 +65,7 @@ FS ext2::get_filesystem_support()
}
fs .online_read = FS::EXTERNAL ;
}
return fs ;
}
@ -167,8 +173,8 @@ bool ext2::write_uuid( const Partition & partition, OperationDetail & operationd
bool ext2::create( const Partition & new_partition, OperationDetail & operationdetail )
{
return ! execute_command( "mkfs.ext2 -L \"" +
new_partition.get_label() + "\" " + new_partition.get_path(),
return ! execute_command( "mkfs." + Utils::get_filesystem_string( specific_type ) +
" -L \"" + new_partition.get_label() + "\" " + new_partition.get_path(),
operationdetail,
false,
true );

215
src/ext3.cc
View File

@ -1,215 +0,0 @@
/* Copyright (C) 2004 Bart
* Copyright (C) 2008, 2009, 2010, 2011 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/ext3.h"
namespace GParted
{
FS ext3::get_filesystem_support()
{
FS fs ;
fs .filesystem = GParted::FS_EXT3 ;
if ( ! Glib::find_program_in_path( "dumpe2fs" ) .empty() )
fs .read = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "tune2fs" ) .empty() ) {
fs .read_uuid = FS::EXTERNAL ;
fs .write_uuid = FS::EXTERNAL ;
}
if ( ! Glib::find_program_in_path( "e2label" ) .empty() ) {
fs .read_label = FS::EXTERNAL ;
fs .write_label = FS::EXTERNAL ;
}
if ( ! Glib::find_program_in_path( "mkfs.ext3" ) .empty() )
fs .create = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "e2fsck" ) .empty() )
fs .check = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "resize2fs" ) .empty() && fs .check )
{
fs .grow = GParted::FS::EXTERNAL ;
if ( fs .read ) //needed to determine a min file system size..
fs .shrink = GParted::FS::EXTERNAL ;
}
if ( fs .check )
{
fs .copy = GParted::FS::GPARTED ;
fs .move = GParted::FS::GPARTED ;
}
fs .online_read = FS::EXTERNAL ;
return fs ;
}
void ext3::set_used_sectors( Partition & partition )
{
//Called when file system is unmounted *and* when mounted. Always read
// the file system size from the on disk superblock using dumpe2fs to
// avoid overhead subtraction. Read the free space from the kernel via
// the statvfs() system call when mounted and from the superblock when
// unmounted.
if ( ! Utils::execute_command( "dumpe2fs -h " + partition .get_path(), output, error, true ) )
{
index = output .find( "Block count: " ) ;
if ( index >= output .length() ||
sscanf( output .substr( index ) .c_str(), "Block count: %Ld", &T ) != 1 )
T = -1 ;
index = output .find( "Block size:" ) ;
if ( index >= output.length() ||
sscanf( output.substr( index ) .c_str(), "Block size: %Ld", &S ) != 1 )
S = -1 ;
if ( T > -1 && S > -1 )
T = Utils::round( T * ( S / double(partition .sector_size) ) ) ;
if ( partition .busy )
{
Byte_Value ignored ;
Byte_Value fs_free ;
if ( Utils::get_mounted_filesystem_usage( partition .get_mountpoint(),
ignored, fs_free, error ) == 0 )
N = Utils::round( fs_free / double(partition .sector_size) ) ;
else
{
N = -1 ;
partition .messages .push_back( error ) ;
}
}
else
{
index = output .find( "Free blocks:" ) ;
if ( index >= output .length() ||
sscanf( output.substr( index ) .c_str(), "Free blocks: %Ld", &N ) != 1 )
N = -1 ;
if ( N > -1 && S > -1 )
N = Utils::round( N * ( S / double(partition .sector_size) ) ) ;
}
if ( T > -1 && N > -1 )
partition .set_sector_usage( T, N ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
void ext3::read_label( Partition & partition )
{
if ( ! Utils::execute_command( "e2label " + partition .get_path(), output, error, true ) )
{
partition .set_label( Utils::trim( output ) ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
bool ext3::write_label( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "e2label " + partition .get_path() + " \"" + partition .get_label() + "\"", operationdetail ) ;
}
void ext3::read_uuid( Partition & partition )
{
if ( ! Utils::execute_command( "tune2fs -l " + partition .get_path(), output, error, true ) )
{
partition .uuid = Utils::regexp_label( output, "^Filesystem UUID:[[:blank:]]*(" RFC4122_NONE_NIL_UUID_REGEXP ")" ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
bool ext3::write_uuid( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "tune2fs -U random " + partition .get_path(), operationdetail ) ;
}
bool ext3::create( const Partition & new_partition, OperationDetail & operationdetail )
{
return ! execute_command( "mkfs.ext3 -L \"" + new_partition .get_label() + "\" " + new_partition .get_path(), operationdetail ) ;
}
bool ext3::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
{
Glib::ustring str_temp = "resize2fs " + partition_new .get_path() ;
if ( ! fill_partition )
str_temp += " " + Utils::num_to_str( Utils::round( Utils::sector_to_unit(
partition_new .get_sector_length(), partition_new .sector_size, UNIT_KIB ) ) -1 ) + "K" ;
return ! execute_command( str_temp, operationdetail ) ;
}
bool ext3::move( const Partition & partition_new
, const Partition & partition_old
, OperationDetail & operationdetail
)
{
return true ;
}
bool ext3::copy( const Glib::ustring & src_part_path,
const Glib::ustring & dest_part_path,
OperationDetail & operationdetail )
{
return true ;
}
bool ext3::check_repair( const Partition & partition, OperationDetail & operationdetail )
{
exit_status = execute_command( "e2fsck -f -y -v " + partition .get_path(), operationdetail ) ;
//exitstatus 256 isn't documented, but it's returned when the 'FILE SYSTEM IS MODIFIED'
//this is quite normal (especially after a copy) so we let the function return true...
return ( exit_status == 0 || exit_status == 1 || exit_status == 2 || exit_status == 256 ) ;
}
bool ext3::remove( const Partition & partition, OperationDetail & operationdetail )
{
return true ;
}
} //GParted

217
src/ext4.cc
View File

@ -1,217 +0,0 @@
/* Copyright (C) 2008, 2009, 2010, 2011 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/ext4.h"
namespace GParted
{
FS ext4::get_filesystem_support()
{
FS fs ;
fs .filesystem = GParted::FS_EXT4 ;
//To be on the safe side, only enable all the function if mkfs.ext4 is
// found indicating that there is a recent copy of e2fsprogs available.
if ( ! Glib::find_program_in_path( "mkfs.ext4" ) .empty() )
{
fs .create = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "dumpe2fs" ) .empty() )
fs .read = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "tune2fs" ) .empty() ) {
fs .read_uuid = FS::EXTERNAL ;
fs .write_uuid = FS::EXTERNAL ;
}
if ( ! Glib::find_program_in_path( "e2label" ) .empty() ) {
fs .read_label = FS::EXTERNAL ;
fs .write_label = FS::EXTERNAL ;
}
if ( ! Glib::find_program_in_path( "e2fsck" ) .empty() )
fs .check = GParted::FS::EXTERNAL ;
if ( ! Glib::find_program_in_path( "resize2fs" ) .empty() && fs .check )
{
fs .grow = GParted::FS::EXTERNAL ;
if ( fs .read ) //needed to determine a min file system size..
fs .shrink = GParted::FS::EXTERNAL ;
}
if ( fs .check )
{
fs .copy = GParted::FS::GPARTED ;
fs .move = GParted::FS::GPARTED ;
}
}
fs .online_read = FS::EXTERNAL ;
return fs ;
}
void ext4::set_used_sectors( Partition & partition )
{
//Called when file system is unmounted *and* when mounted. Always read
// the file system size from the on disk superblock using dumpe2fs to
// avoid overhead subtraction. Read the free space from the kernel via
// the statvfs() system call when mounted and from the superblock when
// unmounted.
if ( ! Utils::execute_command( "dumpe2fs -h " + partition .get_path(), output, error, true ) )
{
index = output .find( "Block count:" ) ;
if ( index >= output .length() ||
sscanf( output.substr( index ) .c_str(), "Block count: %Ld", &T ) != 1 )
T = -1 ;
index = output .find( "Block size:" ) ;
if ( index >= output.length() ||
sscanf( output.substr( index ) .c_str(), "Block size: %Ld", &S ) != 1 )
S = -1 ;
if ( T > -1 && S > -1 )
T = Utils::round( T * ( S / double(partition .sector_size) ) ) ;
if ( partition .busy )
{
Byte_Value ignored ;
Byte_Value fs_free ;
if ( Utils::get_mounted_filesystem_usage( partition .get_mountpoint(),
ignored, fs_free, error ) == 0 )
N = Utils::round( fs_free / double(partition .sector_size) ) ;
else
{
N = -1 ;
partition .messages .push_back( error ) ;
}
}
else
{
index = output .find( "Free blocks:" ) ;
if ( index >= output .length() ||
sscanf( output.substr( index ) .c_str(), "Free blocks: %Ld", &N ) != 1 )
N = -1 ;
if ( N > -1 && S > -1 )
N = Utils::round( N * ( S / double(partition .sector_size) ) ) ;
}
if ( T > -1 && N > -1 )
partition .set_sector_usage( T, N ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
void ext4::read_label( Partition & partition )
{
if ( ! Utils::execute_command( "e2label " + partition .get_path(), output, error, true ) )
{
partition .set_label( Utils::trim( output ) ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
bool ext4::write_label( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "e2label " + partition .get_path() + " \"" + partition .get_label() + "\"", operationdetail ) ;
}
void ext4::read_uuid( Partition & partition )
{
if ( ! Utils::execute_command( "tune2fs -l " + partition .get_path(), output, error, true ) )
{
partition .uuid = Utils::regexp_label( output, "^Filesystem UUID:[[:blank:]]*(" RFC4122_NONE_NIL_UUID_REGEXP ")" ) ;
}
else
{
if ( ! output .empty() )
partition .messages .push_back( output ) ;
if ( ! error .empty() )
partition .messages .push_back( error ) ;
}
}
bool ext4::write_uuid( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "tune2fs -U random " + partition .get_path(), operationdetail ) ;
}
bool ext4::create( const Partition & new_partition, OperationDetail & operationdetail )
{
return ! execute_command( "mkfs.ext4 -j -O extent -L \"" + new_partition .get_label() + "\" " + new_partition .get_path(), operationdetail ) ;
}
bool ext4::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
{
Glib::ustring str_temp = "resize2fs " + partition_new .get_path() ;
if ( ! fill_partition )
str_temp += " " + Utils::num_to_str( Utils::round( Utils::sector_to_unit(
partition_new .get_sector_length(), partition_new .sector_size, UNIT_KIB ) ) -1 ) + "K" ;
return ! execute_command( str_temp, operationdetail ) ;
}
bool ext4::move( const Partition & partition_new
, const Partition & partition_old
, OperationDetail & operationdetail
)
{
return true ;
}
bool ext4::copy( const Glib::ustring & src_part_path,
const Glib::ustring & dest_part_path,
OperationDetail & operationdetail )
{
return true ;
}
bool ext4::check_repair( const Partition & partition, OperationDetail & operationdetail )
{
exit_status = execute_command( "e2fsck -f -y -v " + partition .get_path(), operationdetail ) ;
//exitstatus 256 isn't documented, but it's returned when the 'FILE SYSTEM IS MODIFIED'
//this is quite normal (especially after a copy) so we let the function return true...
return ( exit_status == 0 || exit_status == 1 || exit_status == 2 || exit_status == 256 ) ;
}
bool ext4::remove( const Partition & partition, OperationDetail & operationdetail )
{
return true ;
}
} //GParted