internal override List <BuilderExtent> FixExtents(out long totalLength)
{
List <BuilderExtent> extents = new List <BuilderExtent>();
ServerSparseExtentHeader header = DiskImageFile.CreateServerSparseExtentHeader(_content.Length);
GlobalDirectoryExtent gdExtent = new GlobalDirectoryExtent(header);
long grainTableStart = (header.GdOffset * Sizes.Sector) + gdExtent.Length;
long grainTableCoverage = header.NumGTEsPerGT * header.GrainSize * Sizes.Sector;
foreach (var grainTableRange in StreamExtent.Blocks(_content.Extents, grainTableCoverage))
{
for (int i = 0; i < grainTableRange.Count; ++i)
{
long grainTable = grainTableRange.Offset + i;
long dataStart = grainTable * grainTableCoverage;
GrainTableExtent gtExtent = new GrainTableExtent(grainTableStart, new SubStream(_content, dataStart, Math.Min(grainTableCoverage, _content.Length - dataStart)), header);
extents.Add(gtExtent);
gdExtent.SetEntry((int)grainTable, (uint)(grainTableStart / Sizes.Sector));
grainTableStart += gtExtent.Length;
}
}
extents.Insert(0, gdExtent);
header.FreeSector = (uint)(grainTableStart / Sizes.Sector);
byte[] buffer = header.GetBytes();
extents.Insert(0, new BuilderBufferExtent(0, buffer));
totalLength = grainTableStart;
return(extents);
}
internal override List<BuilderExtent> FixExtents(out long totalLength)
{
List<BuilderExtent> extents = new List<BuilderExtent>();
ServerSparseExtentHeader header = DiskImageFile.CreateServerSparseExtentHeader(_content.Length);
GlobalDirectoryExtent gdExtent = new GlobalDirectoryExtent(header);
long grainTableStart = (header.GdOffset * Sizes.Sector) + gdExtent.Length;
long grainTableCoverage = header.NumGTEsPerGT * header.GrainSize * Sizes.Sector;
foreach (var grainTableRange in StreamExtent.Blocks(_content.Extents, grainTableCoverage))
{
for (int i = 0; i < grainTableRange.Count; ++i)
{
long grainTable = grainTableRange.Offset + i;
long dataStart = grainTable * grainTableCoverage;
GrainTableExtent gtExtent = new GrainTableExtent(grainTableStart, new SubStream(_content, dataStart, Math.Min(grainTableCoverage, _content.Length - dataStart)), header);
extents.Add(gtExtent);
gdExtent.SetEntry((int)grainTable, (uint)(grainTableStart / Sizes.Sector));
grainTableStart += gtExtent.Length;
}
}
extents.Insert(0, gdExtent);
header.FreeSector = (uint)(grainTableStart / Sizes.Sector);
byte[] buffer = header.GetBytes();
extents.Insert(0, new BuilderBufferExtent(0, buffer));
totalLength = grainTableStart;
return extents;
}
