public static AACSLBAExtentsResponse?DecodeAACSLBAExtents(byte[] AACSLBAExtsResponse)
{
if (AACSLBAExtsResponse == null)
{
return(null);
}
AACSLBAExtentsResponse decoded = new AACSLBAExtentsResponse();
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
decoded.DataLength = BigEndianBitConverter.ToUInt16(AACSLBAExtsResponse, 0);
decoded.Reserved = AACSLBAExtsResponse[2];
decoded.MaxLBAExtents = AACSLBAExtsResponse[3];
if ((AACSLBAExtsResponse.Length - 4) % 16 != 0)
{
return(decoded);
}
decoded.Extents = new AACSLBAExtent[(AACSLBAExtsResponse.Length - 4) / 16];
for (int i = 0; i < (AACSLBAExtsResponse.Length - 4) / 16; i++)
{
decoded.Extents[i].Reserved = new byte[8];
Array.Copy(AACSLBAExtsResponse, 0 + i * 16 + 4, decoded.Extents[i].Reserved, 0, 8);
decoded.Extents[i].StartLBA = BigEndianBitConverter.ToUInt32(AACSLBAExtsResponse, 8 + i * 16 + 4);
decoded.Extents[i].LBACount = BigEndianBitConverter.ToUInt32(AACSLBAExtsResponse, 12 + i * 16 + 4);
}
return(decoded);
}
public static string PrettifyAACSLBAExtents(AACSLBAExtentsResponse?AACSLBAExtsResponse)
{
if (AACSLBAExtsResponse == null)
{
return(null);
}
AACSLBAExtentsResponse response = AACSLBAExtsResponse.Value;
StringBuilder sb = new StringBuilder();
if (response.MaxLBAExtents == 0)
{
sb.AppendLine(response.DataLength > 2
? "Drive can store 256 LBA Extents"
: "Drive cannot store LBA Extents");
}
else
{
sb.AppendFormat("Drive can store {0} LBA Extents", response.MaxLBAExtents).AppendLine();
}
for (int i = 0; i < response.Extents.Length; i++)
{
sb.AppendFormat("LBA Extent {0} starts at LBA {1} and goes for {2} sectors", i,
response.Extents[i].StartLBA, response.Extents[i].LBACount);
}
return(sb.ToString());
}
public static AACSLBAExtentsResponse? DecodeAACSLBAExtents(byte[] AACSLBAExtsResponse)
{
if(AACSLBAExtsResponse == null)
return null;
var decoded = new AACSLBAExtentsResponse
{
DataLength = BigEndianBitConverter.ToUInt16(AACSLBAExtsResponse, 0),
Reserved = AACSLBAExtsResponse[2],
MaxLBAExtents = AACSLBAExtsResponse[3]
};
if((AACSLBAExtsResponse.Length - 4) % 16 != 0)
return decoded;
decoded.Extents = new AACSLBAExtent[(AACSLBAExtsResponse.Length - 4) / 16];
for(int i = 0; i < (AACSLBAExtsResponse.Length - 4) / 16; i++)
{
decoded.Extents[i].Reserved = new byte[8];
Array.Copy(AACSLBAExtsResponse, 0 + (i * 16) + 4, decoded.Extents[i].Reserved, 0, 8);
decoded.Extents[i].StartLBA = BigEndianBitConverter.ToUInt32(AACSLBAExtsResponse, 8 + (i * 16) + 4);
decoded.Extents[i].LBACount = BigEndianBitConverter.ToUInt32(AACSLBAExtsResponse, 12 + (i * 16) + 4);
}
return decoded;
}
