private VhdCookie CreateVhdCookie(byte[] cookie)
{
var vhdCookie = new VhdCookie(VhdCookieType.Footer, cookie);
if (!vhdCookie.IsValid())
{
throw new VhdParsingException(String.Format("Invalid Vhd footer cookie:{0}", vhdCookie.StringData));
}
return(vhdCookie);
}
private VhdCookie EndReadHeaderCookie(IAsyncResult result)
{
var value = dataReader.EndReadBytes(result);
var vhdCookie = new VhdCookie(VhdCookieType.Header, value);
if (!vhdCookie.IsValid())
{
throw new VhdParsingException(String.Format("unsupported format, Cookie:{0}", vhdCookie));
}
return(vhdCookie);
}
private VhdCookie ReadHeaderCookie(VhdPropertyAttribute attribute)
{
var cookie = dataReader.ReadBytes(headerOffset + attribute.Offset, attribute.Size);
var vhdCookie = new VhdCookie(VhdCookieType.Header, cookie);
if (!vhdCookie.IsValid())
{
throw new VhdParsingException(String.Format("unsupported format, Cookie:{0}", vhdCookie));
}
return(vhdCookie);
}