private HardDiskExtent ParseExtentDescriptor(string line)
{
if (!line.StartsWith ("RW") && !line.StartsWith ("RDONLY") && !line.StartsWith ("NOACCESS"))
return null;
string[] splitLine = line.Split (new char[] { ' ' }, 5);
if (splitLine.Length < 4) {
return null;
}
ExtentAccess access;
long extentCapacity;
ExtentType extentType;
string extentFile;
try {
access = Utility.ParseExtentAccess (splitLine[0]);
} catch {
return null;
}
try {
extentCapacity = Int64.Parse (splitLine[1]);
} catch {
return null;
}
try {
extentType = Utility.ParseExtentType (splitLine[2]);
} catch {
return null;
}
extentFile = Path.Combine (Path.GetDirectoryName (file), Utility.StripDoubleQuotes (splitLine[3]));
HardDiskExtent extent = new HardDiskExtent (access, extentCapacity, extentType, extentFile);
try {
extent.Offset = Int64.Parse (splitLine[4]);
} catch {
}
return extent;
}
public void Create(ProgressHandler handler)
{
if (type == HardDiskType.SplitFlat ||
type == HardDiskType.SingleFlat) {
CheckDiskSpace ();
}
extents.Clear ();
CalculateGeometry ();
string extentFormatString = Path.Combine (Path.GetDirectoryName (file),
Path.GetFileNameWithoutExtension (file) + "-{0}.vmdk");
if (type == HardDiskType.SplitFlat ||
type == HardDiskType.SplitSparse) {
long extentRemainder = 0;
int numMaxExtents = (int) Math.DivRem (GetCapacityInSectors (), SectorsIn2Gb, out extentRemainder);
for (int i = 0; i < numMaxExtents; i++) {
HardDiskExtent extent = new HardDiskExtent (ExtentAccess.ReadWrite, SectorsIn2Gb,
type == HardDiskType.SplitFlat ? ExtentType.Flat : ExtentType.Sparse,
String.Format (extentFormatString, i));
extents.Add (extent);
}
if (extentRemainder > 0) {
extents.Add (new HardDiskExtent (ExtentAccess.ReadWrite, extentRemainder,
type == HardDiskType.SplitFlat ? ExtentType.Flat : ExtentType.Sparse,
String.Format (extentFormatString, numMaxExtents)));
}
} else {
extents.Add (new HardDiskExtent (ExtentAccess.ReadWrite, GetCapacityInSectors (),
type == HardDiskType.SingleFlat ? ExtentType.Flat : ExtentType.Sparse,
String.Format (extentFormatString, 0)));
}
WriteDescriptor ();
for (int i = 0; i < extents.Count; i++) {
HardDiskExtent extent = extents[i];
if (handler == null) {
extent.Create ();
} else {
extent.Create (delegate (object o, ProgressArgs args) {
double progress = (double) i / (double) extents.Count;
progress += args.Progress * ((double) 1 / (double) extents.Count);
handler (this, new ProgressArgs (progress));
});
}
}
}
