public bool SetMetadata(ImageInfo metadata) => true;
public bool Create(string path, MediaType mediaType, Dictionary <string, string> options, ulong sectors,
uint sectorSize)
{
if (sectorSize != 512)
{
ErrorMessage = "Unsupported sector size";
return(false);
}
if (!SupportedMediaTypes.Contains(mediaType))
{
ErrorMessage = $"Unsupport media format {mediaType}";
return(false);
}
if (sectors * sectorSize / DEFAULT_BLOCK_SIZE > uint.MaxValue)
{
ErrorMessage = "Too many sectors for selected cluster size";
return(false);
}
imageInfo = new ImageInfo {
MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors
};
try { writingStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); }
catch (IOException e)
{
ErrorMessage = $"Could not create new image file, exception {e.Message}";
return(false);
}
uint ibmEntries = (uint)(sectors * sectorSize / DEFAULT_BLOCK_SIZE);
if (sectors * sectorSize % DEFAULT_BLOCK_SIZE > 0)
{
ibmEntries++;
}
uint headerSectors = 1 + ibmEntries * 4 / sectorSize;
if (ibmEntries * 4 % sectorSize != 0)
{
headerSectors++;
}
ibm = new uint[ibmEntries];
currentWritingPosition = headerSectors * sectorSize;
vHdr = new VdiHeader
{
creator = DIC_VDI,
magic = VDI_MAGIC,
majorVersion = 1,
minorVersion = 1,
headerSize = Marshal.SizeOf <VdiHeader>() - 72,
imageType = VdiImageType.Normal,
offsetBlocks = sectorSize,
offsetData = currentWritingPosition,
sectorSize = sectorSize,
size = sectors * sectorSize,
blockSize = DEFAULT_BLOCK_SIZE,
blocks = ibmEntries,
uuid = Guid.NewGuid(),
snapshotUuid = Guid.NewGuid()
};
for (uint i = 0; i < ibmEntries; i++)
{
ibm[i] = VDI_EMPTY;
}
IsWriting = true;
ErrorMessage = null;
return(true);
}
public bool SetMetadata(ImageInfo metadata)
{
imageInfo.Comments = metadata.Comments;
return(true);
}
public bool Create(string path, MediaType mediaType, Dictionary <string, string> options, ulong sectors,
uint sectorSize)
{
if (sectorSize != 512)
{
ErrorMessage = "Unsupported sector size";
return(false);
}
if (!SupportedMediaTypes.Contains(mediaType))
{
ErrorMessage = $"Unsupport media format {mediaType}";
return(false);
}
// TODO: Correct this calculation
if (sectors * sectorSize / 65536 > uint.MaxValue)
{
ErrorMessage = "Too many sectors for selected cluster size";
return(false);
}
imageInfo = new ImageInfo {
MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors
};
try { writingStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); }
catch (IOException e)
{
ErrorMessage = $"Could not create new image file, exception {e.Message}";
return(false);
}
qHdr = new QCowHeader
{
magic = QCOW_MAGIC,
version = QCOW_VERSION,
size = sectors * sectorSize,
cluster_bits = 12,
l2_bits = 9,
l1_table_offset = (ulong)Marshal.SizeOf <QCowHeader>()
};
int shift = qHdr.cluster_bits + qHdr.l2_bits;
clusterSize = 1 << qHdr.cluster_bits;
clusterSectors = 1 << (qHdr.cluster_bits - 9);
l1Size = (uint)((qHdr.size + (ulong)(1 << shift) - 1) >> shift);
l2Size = 1 << qHdr.l2_bits;
l1Table = new ulong[l1Size];
l1Mask = 0;
int c = 0;
l1Shift = qHdr.l2_bits + qHdr.cluster_bits;
for (int i = 0; i < 64; i++)
{
l1Mask <<= 1;
if (c >= 64 - l1Shift)
{
continue;
}
l1Mask += 1;
c++;
}
l2Mask = 0;
for (int i = 0; i < qHdr.l2_bits; i++)
{
l2Mask = (l2Mask << 1) + 1;
}
l2Mask <<= qHdr.cluster_bits;
sectorMask = 0;
for (int i = 0; i < qHdr.cluster_bits; i++)
{
sectorMask = (sectorMask << 1) + 1;
}
byte[] empty = new byte[qHdr.l1_table_offset + l1Size * 8];
writingStream.Write(empty, 0, empty.Length);
IsWriting = true;
ErrorMessage = null;
return(true);
}
public bool Create(string path, MediaType mediaType, Dictionary <string, string> options, ulong sectors,
uint sectorSize)
{
if (options != null)
{
if (options.TryGetValue("separate", out string tmpValue))
{
if (!bool.TryParse(tmpValue, out separateTracksWriting))
{
ErrorMessage = "Invalid value for split option";
return(false);
}
if (separateTracksWriting)
{
ErrorMessage = "Separate tracksnot yet implemented";
return(false);
}
}
}
else
{
separateTracksWriting = false;
}
if (!SupportedMediaTypes.Contains(mediaType))
{
ErrorMessage = $"Unsupport media format {mediaType}";
return(false);
}
imageInfo = new ImageInfo {
MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors
};
// TODO: Separate tracks
try
{
writingBaseName = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
descriptorStream = new StreamWriter(path, false, Encoding.ASCII);
}
catch (IOException e)
{
ErrorMessage = $"Could not create new image file, exception {e.Message}";
return(false);
}
discimage = new CdrWinDisc
{
Disktype = mediaType,
Sessions = new List <Session>(),
Tracks = new List <CdrWinTrack>()
};
trackFlags = new Dictionary <byte, byte>();
trackIsrcs = new Dictionary <byte, string>();
IsWriting = true;
ErrorMessage = null;
return(true);
}
public bool SetMetadata(ImageInfo metadata)
{
return(true);
}