/// <summary>
/// Build a Smb2CompressedPacket from a byte array.
/// </summary>
/// <param name="data">The byte array.</param>
/// <param name="consumedLen">The consumed data length.</param>
/// <param name="expectedLen">The expected data length.</param>
internal override void FromBytes(byte[] data, out int consumedLen, out int expectedLen)
{
int minimumLength = Marshal.SizeOf(Header);
if (data.Length < minimumLength)
{
throw new InvalidOleVariantTypeException("Not enough data for Compression_Transform_Header!");
}
int offset = 0;
Header = TypeMarshal.ToStruct <Compression_Transform_Header>(data, ref offset);
if (offset + Header.Offset > data.Length)
{
throw new InvalidOleVariantTypeException("Not enough data for Smb2CompressedPacket!");
}
UncompressedData = new byte[Header.Offset];
Array.Copy(data, offset, UncompressedData, 0, Header.Offset);
long compressedDataLength = data.Length - offset - Header.Offset;
CompressedData = new byte[compressedDataLength];
Array.Copy(data, offset + Header.Offset, CompressedData, 0, compressedDataLength);
consumedLen = data.Length;
expectedLen = 0;
}
static Smb2ChainedCompressedPacket()
{
var header = new Compression_Transform_Header();
FirstPayloadHeaderOffset = TypeMarshal.GetBlockMemorySize(header.ProtocolId) + TypeMarshal.GetBlockMemorySize(header.OriginalCompressedSegmentSize);
var payloadHeader = new SMB2_COMPRESSION_PAYLOAD_HEADER();
FieldSizeOriginalPayloadSize = TypeMarshal.GetBlockMemorySize(payloadHeader.OriginalPayloadSize);
}
