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Display progress of NTFS file system specific copy operation (#762366) 

Copying of ntfs is performed using ntfsclone, which writes progress
indication to standard output like this:

    # ntfsclone -f /dev/sdb2 /dev/sdb1 2> /dev/null
    NTFS volume version: 3.1
    Cluster size       : 4096 bytes
    Current volume size: 21474832384 bytes (21475 MB)
    Current device size: 21474836480 bytes (21475 MB)
    Scanning volume ...
    100.00 percent completed
    Accounting clusters ...
    Space in use       : 1832 MB (8.5%)
    Cloning NTFS ...
    100.00 percent completed
    Syncing ...

Add ntfsclone progress tracker for ntfsclone command.  Deliberately
doesn't stop the progress bar.  See comment in ntfs::clone_progress()
for the explanation.

Bug 762366 - Add progress bar to NTFS file system specific copy method
This commit is contained in:
Mike Fleetwood 2016-02-13 15:13:33 +00:00 committed by Curtis Gedak
parent b04ce3e312
commit 6d28a62077
2 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/ntfs.h
View File

@ -46,6 +46,7 @@ public:
private:
void resize_progress( OperationDetail *operationdetail );
void clone_progress( OperationDetail *operationdetail );
};
} //GParted

20
src/ntfs.cc
View File

@ -260,7 +260,8 @@ bool ntfs::copy( const Partition & src_part,
{
return ! execute_command( "ntfsclone -f --overwrite " + dest_part.get_path() + " " + src_part.get_path(),
operationdetail,
EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE );
EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE|EXEC_PROGRESS_STDOUT,
static_cast<StreamSlot>( sigc::mem_fun( *this, &ntfs::clone_progress ) ) );
}
bool ntfs::check_repair( const Partition & partition, OperationDetail & operationdetail )
@ -295,4 +296,21 @@ void ntfs::resize_progress( OperationDetail *operationdetail )
}
}
void ntfs::clone_progress( OperationDetail *operationdetail )
{
Glib::ustring line = Utils::last_line( output );
// Text progress on the LAST LINE looks like " 15.24 progress completed"
float percent;
if ( line.find( "percent completed" ) != line.npos && sscanf( line.c_str(), "%f", &percent ) == 1 )
{
operationdetail->run_progressbar( percent, 100.0 );
}
// Deliberately don't stop the progress bar when ntfsclone outputs "Syncing ..."
// at the end as that is considered a measured part of the copy operation. The
// progress bar will wait at 100% (or just below) until the sync completes. On
// spinning rust that is typically a few seconds and on SSDs it won't be noticed
// at all. Instead it is left for execute_command(), which always stops the
// progress bar when the command finishes.
}
} //GParted