public VhdFooter CreateFooter()
{
try
{
ValidateVhdSize();
var attributeHelper = new AttributeHelper <VhdFooter>();
var footer = new VhdFooter();
footer.Cookie = ReadVhdCookie(attributeHelper.GetAttribute(() => footer.Cookie));
footer.Features = ReadFeatures(attributeHelper.GetAttribute(() => footer.Features));
footer.FileFormatVersion = ReadVhdFileFormatVersion(attributeHelper.GetAttribute(() => footer.FileFormatVersion));
footer.HeaderOffset = ReadHeaderOffset(attributeHelper.GetAttribute(() => footer.HeaderOffset));
footer.TimeStamp = ReadTimeStamp(attributeHelper.GetAttribute(() => footer.TimeStamp));
footer.CreatorApplication = ReadCreatorApplication(attributeHelper.GetAttribute(() => footer.CreatorApplication));
footer.CreatorVersion = ReadCreatorVersion(attributeHelper.GetAttribute(() => footer.CreatorVersion));
footer.CreatorHostOsType = ReadCreatorHostOsType(attributeHelper.GetAttribute(() => footer.CreatorHostOsType));
footer.PhsyicalSize = ReadPhysicalSize(attributeHelper.GetAttribute(() => footer.PhsyicalSize));
footer.VirtualSize = ReadVirtualSize(attributeHelper.GetAttribute(() => footer.VirtualSize));
footer.DiskGeometry = ReadDiskGeometry(attributeHelper.GetAttribute(() => footer.DiskGeometry));
footer.DiskType = ReadDiskType(attributeHelper.GetAttribute(() => footer.DiskType));
footer.CheckSum = ReadCheckSum(attributeHelper.GetAttribute(() => footer.CheckSum));
footer.UniqueId = ReadUniqueId(attributeHelper.GetAttribute(() => footer.UniqueId));
footer.SavedState = ReadSavedState(attributeHelper.GetAttribute(() => footer.SavedState));
footer.Reserved = ReadReserved(attributeHelper.GetAttribute(() => footer.Reserved));
footer.RawData = ReadWholeFooter(attributeHelper.GetAttribute(() => footer.RawData));
return(footer);
}
catch (EndOfStreamException e)
{
throw new VhdParsingException("unsupported format", e);
}
}
public static VhdFooter CreateFixedDiskFooter(long virtualSize)
{
var helper = new AttributeHelper <VhdFooter>();
var footer = new VhdFooter();
var reservedAttribute = helper.GetAttribute(() => footer.Reserved);
footer.Cookie = VhdCookie.CreateFooterCookie();
footer.Features = VhdFeature.Reserved;
footer.FileFormatVersion = VhdFileFormatVersion.DefaultFileFormatVersion;
footer.HeaderOffset = VhdConstants.VHD_NO_DATA_LONG;
footer.TimeStamp = DateTime.UtcNow;
footer.CreatorApplication = WindowsAzureCreatorApplicationName;
footer.CreatorVersion = VhdCreatorVersion.CSUP2011;
footer.CreatorHostOsType = HostOsType.Windows;
footer.PhsyicalSize = virtualSize;
footer.VirtualSize = virtualSize;
footer.DiskGeometry = DiskGeometry.CreateFromVirtualSize(virtualSize);
footer.DiskType = DiskType.Fixed;
footer.UniqueId = Guid.NewGuid();
footer.SavedState = false;
footer.Reserved = new byte[reservedAttribute.Size];
var footerSerializer = new VhdFooterSerializer(footer);
var byteArray = footerSerializer.ToByteArray();
using (var memoryStream = new MemoryStream(byteArray))
{
var binaryReader = new BinaryReader(memoryStream);
var vhdDataReader = new VhdDataReader(binaryReader);
var footerFactory = new VhdFooterFactory(vhdDataReader);
var vhdFooter = footerFactory.CreateFooter();
return(vhdFooter);
}
}
public VhdFooterSerializer(VhdFooter vhdFooter)
{
this.vhdFooter = vhdFooter;
this.attributeHelper = new AttributeHelper<VhdFooter>();
}
private IEnumerable <CompletionPort> CreateFooterAsync(AsyncMachine <VhdFooter> machine)
{
ValidateVhdSize();
var attributeHelper = new AttributeHelper <VhdFooter>();
var footer = new VhdFooter();
BeginReadVhdCookie(attributeHelper.GetAttribute(() => footer.Cookie), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.Cookie = TryCatch <VhdCookie>(EndReadVhdCookie, machine.CompletionResult);
BeginReadFeatures(attributeHelper.GetAttribute(() => footer.Features), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.Features = TryCatch <VhdFeature>(EndReadFeatures, machine.CompletionResult);
BeginReadVhdFileFormatVersion(attributeHelper.GetAttribute(() => footer.FileFormatVersion), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.FileFormatVersion = TryCatch <VhdFileFormatVersion>(EndReadVhdFileFormatVersion, machine.CompletionResult);
BeginReadHeaderOffset(attributeHelper.GetAttribute(() => footer.HeaderOffset), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.HeaderOffset = TryCatch <long>(EndReadHeaderOffset, machine.CompletionResult);
BeginReadTimeStamp(attributeHelper.GetAttribute(() => footer.TimeStamp), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.TimeStamp = TryCatch <DateTime>(EndReadTimeStamp, machine.CompletionResult);
BeginReadCreatorApplication(attributeHelper.GetAttribute(() => footer.CreatorApplication), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.CreatorApplication = TryCatch <string>(EndReadCreatorApplication, machine.CompletionResult);
BeginReadCreatorVersion(attributeHelper.GetAttribute(() => footer.CreatorVersion), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.CreatorVersion = TryCatch <VhdCreatorVersion>(EndReadCreatorVersion, machine.CompletionResult);
BeginReadCreatorHostOsType(attributeHelper.GetAttribute(() => footer.CreatorHostOsType), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.CreatorHostOsType = TryCatch <HostOsType>(EndReadCreatorHostOsType, machine.CompletionResult);
BeginReadPhysicalSize(attributeHelper.GetAttribute(() => footer.PhsyicalSize), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.PhsyicalSize = TryCatch <long>(EndReadPhysicalSize, machine.CompletionResult);
BeginReadVirtualSize(attributeHelper.GetAttribute(() => footer.VirtualSize), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.VirtualSize = TryCatch <long>(EndReadVirtualSize, machine.CompletionResult);
BeginReadDiskGeometry(attributeHelper.GetAttribute(() => footer.DiskGeometry), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.DiskGeometry = TryCatch <DiskGeometry>(EndReadDiskGeometry, machine.CompletionResult);
BeginReadDiskType(attributeHelper.GetAttribute(() => footer.DiskType), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.DiskType = TryCatch <DiskType>(EndReadDiskType, machine.CompletionResult);
BeginReadCheckSum(attributeHelper.GetAttribute(() => footer.CheckSum), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.CheckSum = TryCatch <uint>(EndReadCheckSum, machine.CompletionResult);
BeginReadUniqueId(attributeHelper.GetAttribute(() => footer.UniqueId), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.UniqueId = TryCatch <Guid>(EndReadUniqueId, machine.CompletionResult);
BeginReadSavedState(attributeHelper.GetAttribute(() => footer.SavedState), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.SavedState = TryCatch <bool>(EndReadSavedState, machine.CompletionResult);
BeginReadReserved(attributeHelper.GetAttribute(() => footer.Reserved), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.Reserved = TryCatch <byte[]>(EndReadReserved, machine.CompletionResult);
BeginReadWholeFooter(attributeHelper.GetAttribute(() => footer.RawData), machine.CompletionCallback, null);
yield return(CompletionPort.SingleOperation);
footer.RawData = TryCatch <byte[]>(EndReadWholeFooter, machine.CompletionResult);
machine.ParameterValue = footer;
}
public VhdFooterSerializer(VhdFooter vhdFooter)
{
this.vhdFooter = vhdFooter;
this.attributeHelper = new AttributeHelper <VhdFooter>();
}
public VhdHeaderFactory(VhdDataReader dataReader, VhdFooter footer)
{
this.dataReader = dataReader;
this.footer = footer;
headerOffset = this.footer.HeaderOffset;
}
