public static TS_FP_CACHEDPOINTERATTRIBUTE CreateCachedPointerAttribute(ushort cacheIndex)
{
TS_FP_CACHEDPOINTERATTRIBUTE cachePtr = new TS_FP_CACHEDPOINTERATTRIBUTE();
cachePtr.updateHeader = (byte)(((int)updateCode_Values.FASTPATH_UPDATETYPE_CACHED & 0x0f)
| (((int)fragmentation_Value.FASTPATH_FRAGMENT_SINGLE) << 4)
| ((int)compressedType_Values.None << 6));
cachePtr.size = 2;
cachePtr.cachedPointerUpdateData.cacheIndex = cacheIndex;
return cachePtr;
}
/// <summary>
/// Parse TS_FP_CACHEDPOINTERATTRIBUTE
/// </summary>
/// <param name="updateHeader">update header</param>
/// <param name="compressionFlags">compression flags</param>
/// <param name="size">update data size(before decompression)</param>
/// <param name="updateData">update data(decompressed)</param>
/// <returns>TS_FP_CACHEDPOINTERATTRIBUTE</returns>
private TS_FP_CACHEDPOINTERATTRIBUTE ParseTsFpCachedPointerAttribute(
byte updateHeader,
compressedType_Values compressionFlags,
UInt16 size,
byte[] updateData)
{
TS_FP_CACHEDPOINTERATTRIBUTE attribute = new TS_FP_CACHEDPOINTERATTRIBUTE();
// TS_FP_CACHEDPOINTERATTRIBUTE: updateHeader
attribute.updateHeader = updateHeader;
// TS_FP_CACHEDPOINTERATTRIBUTE: compressionFlags
attribute.compressionFlags = compressionFlags;
// TS_FP_CACHEDPOINTERATTRIBUTE: size
attribute.size = size;
// TS_FP_CACHEDPOINTERATTRIBUTE: cachedPointerUpdateData
int index = 0;
attribute.cachedPointerUpdateData = ParseTsCachePointerAttribute(updateData, ref index);
// Check if data length exceeded expectation
VerifyDataLength(updateData.Length, index, ConstValue.ERROR_MESSAGE_DATA_LENGTH_EXCEEDED);
return attribute;
}
private byte[] EncodeCachedPtr(TS_FP_CACHEDPOINTERATTRIBUTE ptrData)
{
List<byte> totalBuffer = new List<byte>();
List<byte> buffer = new List<byte>();
RdpbcgrEncoder.EncodeStructure(buffer, ptrData.cachedPointerUpdateData.cacheIndex);
if (ptrData.compressionFlags != compressedType_Values.None)
{
RdpbcgrEncoder.EncodeBytes(
totalBuffer, serverSessionContext.Compress(ptrData.compressionFlags, buffer.ToArray()));
}
else
{
RdpbcgrEncoder.EncodeBytes(totalBuffer, buffer.ToArray());
}
return totalBuffer.ToArray();
}
