public override void List(out List <File> files, out List <File> dirs)
{
files = new List <File>();
dirs = new List <File>();
this.files = files;
this.dirs = dirs;
Ext fs = (Ext)filesystem;
if (Type == FileType.Directory)
{
Ext.INode inode = fs.GetINode(inode_number);
Byte[] block = new Byte[fs.BlockSize];
if ((inode.flags & 0x80000) == 0) // old, indirect blocks
{
IndirectBlockIterator it = new IndirectBlockIterator(fs, inode.block);
while (it.ReadNextBlock(block))
{
AddFilesFromLinearBlock(block, files, dirs); // dir hash present: ( inode.flags & 0x1000 ) != 0
}
}
else // extents
{
ExtentBlockIterator it = new ExtentBlockIterator(fs, inode.block);
while (it.ReadNextBlock(block))
{
AddFilesFromLinearBlock(block, files, dirs); // dir hash present: ( inode.flags & 0x1000 ) != 0
}
}
}
}
public override void Save(string path, BackgroundWorker worker)
{
List <File> files;
List <File> dirs;
if (worker != null)
{
worker.ReportProgress(0, path + "\\" + name);
}
List(out files, out dirs);
if (type == FileType.Directory)
{
Directory.CreateDirectory(path + "\\" + name);
foreach (File file in dirs)
{
file.Save(path + "\\" + name, worker);
if (worker != null && worker.CancellationPending)
{
return;
}
}
foreach (File file in files)
{
file.Save(path + "\\" + name, worker);
if (worker != null && worker.CancellationPending)
{
return;
}
}
if (worker != null)
{
worker.ReportProgress(100);
}
}
else if (type == FileType.File || type == FileType.Link)
{
Ext fs = (Ext)filesystem;
Ext.INode inode = fs.GetINode(inode_number);
Byte[] block = new Byte[fs.BlockSize];
FileStream stream = new FileStream(path + "\\" + name, FileMode.Create);
if (type == FileType.Link && inode.size < 60) // fast symlink
{
Byte[] raw_inode_blocks = new Byte[60];
Utils.LoadByteArrayFromUInt32Array(raw_inode_blocks, inode.block, 15);
stream.Write(raw_inode_blocks, 0, (int)inode.size);
}
else // files, slow symlinks
{
Int64 size_remaining = inode.size;
if ((inode.flags & 0x80000) == 0) // old, indirect blocks
{
IndirectBlockIterator it = new IndirectBlockIterator(fs, inode.block);
while (it.ReadNextBlock(block))
{
if (size_remaining < fs.BlockSize)
{
stream.Write(block, 0, (int)size_remaining);
size_remaining = 0;
}
else
{
stream.Write(block, 0, (int)fs.BlockSize);
size_remaining -= fs.BlockSize;
}
if (worker != null)
{
worker.ReportProgress(100 - (int)(100 * size_remaining / inode.size));
if (worker.CancellationPending)
{
stream.Close();
return;
}
}
}
}
else // extents
{
ExtentBlockIterator it = new ExtentBlockIterator(fs, inode.block);
while (it.ReadNextBlock(block))
{
if (size_remaining < fs.BlockSize)
{
stream.Write(block, 0, (int)size_remaining);
size_remaining = 0;
}
else
{
stream.Write(block, 0, (int)fs.BlockSize);
size_remaining -= fs.BlockSize;
}
if (worker != null)
{
worker.ReportProgress(100 - (int)(100 * size_remaining / inode.size));
if (worker.CancellationPending)
{
stream.Close();
return;
}
}
}
}
}
stream.Close();
}
}
