/// <summary>
/// Parse TS_FP_SURFCMDS
/// </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_SURFCMDS</returns>
private TS_FP_SURFCMDS ParseTsFpSurfCmds(
byte updateHeader,
compressedType_Values compressionFlags,
UInt16 size,
byte[] updateData)
{
TS_FP_SURFCMDS cmds = new TS_FP_SURFCMDS();
// TS_FP_SURFCMDS: updateHeader
cmds.updateHeader = updateHeader;
// TS_FP_SURFCMDS: compressionFlags
cmds.compressionFlags = compressionFlags;
// TS_FP_SURFCMDS: size
cmds.size = size;
// TS_FP_SURFCMDS: surfaceCommands
int index = 0;
cmds.surfaceCommands = ParseTsSurfCmd(updateData, ref index);
// Check if data length exceeded expectation
VerifyDataLength(updateData.Length, index, ConstValue.ERROR_MESSAGE_DATA_LENGTH_EXCEEDED);
return cmds;
}
private byte[] EncodeSurfCmds(TS_FP_SURFCMDS surfCmdsData)
{
List<byte> totalBuffer = new List<byte>();
List<byte> buffer = new List<byte>();
if (surfCmdsData.surfaceCommands != null)
{
for (int i = 0; i < surfCmdsData.surfaceCommands.Length; ++i)
{
if (surfCmdsData.surfaceCommands[i].GetType() == typeof(TS_SURFCMD_SET_SURF_BITS))
{
RdpbcgrEncoder.EncodeBytes(
buffer, EncodeSurfBits((TS_SURFCMD_SET_SURF_BITS)surfCmdsData.surfaceCommands[i]));
}
else if (surfCmdsData.surfaceCommands[i].GetType() == typeof(TS_SURFCMD_STREAM_SURF_BITS))
{
RdpbcgrEncoder.EncodeBytes(
buffer, EncodeSurfStream((TS_SURFCMD_STREAM_SURF_BITS)surfCmdsData.surfaceCommands[i]));
}
else
{
RdpbcgrEncoder.EncodeBytes(
buffer, EncodeSurfFrameMaker((TS_FRAME_MARKER)surfCmdsData.surfaceCommands[i]));
}
}
}
if (surfCmdsData.compressionFlags != compressedType_Values.None)
{
RdpbcgrEncoder.EncodeBytes(
totalBuffer, serverSessionContext.Compress(surfCmdsData.compressionFlags, buffer.ToArray()));
}
else
{
RdpbcgrEncoder.EncodeBytes(totalBuffer, buffer.ToArray());
}
return totalBuffer.ToArray();
}
/// <summary>
/// Method to send RDPRFX raw data.
/// </summary>
/// <param name="surfStreamCmd">TS_SURFCMD_STREAM_SURF_BITS to be send.</param>
private void SendSurfaceCmd_StreamSurfBits(TS_SURFCMD_STREAM_SURF_BITS surfStreamCmd)
{
if (rdpbcgrAdapter != null)
{
rdpbcgrAdapter.SendStreamSurfaceBitsCommand(surfStreamCmd);
}
else if (this.rdpbcgrServerStack != null && this.rdpbcgrSessionContext != null)
{
//TS_FRAME_MARKER frameMakerCmdBegin = new TS_FRAME_MARKER();
//frameMakerCmdBegin.cmdType = cmdType_Values.CMDTYPE_FRAME_MARKER;
//frameMakerCmdBegin.frameAction = frameAction_Values.SURFACECMD_FRAMEACTION_BEGIN;
//frameMakerCmdBegin.frameId = frameIndex;
//TS_FRAME_MARKER frameMakerCmdEnd = new TS_FRAME_MARKER();
//frameMakerCmdEnd.cmdType = cmdType_Values.CMDTYPE_FRAME_MARKER;
//frameMakerCmdEnd.frameAction = frameAction_Values.SURFACECMD_FRAMEACTION_END;
//frameMakerCmdEnd.frameId = frameIndex++;
TS_FP_SURFCMDS surfCmds = new TS_FP_SURFCMDS();
surfCmds.updateHeader = (byte)(((int)updateCode_Values.FASTPATH_UPDATETYPE_SURFCMDS & 0x0f)
| (((int)fragmentation_Value.FASTPATH_FRAGMENT_SINGLE) << 4)
| ((int)compressedType_Values.None << 6));
surfCmds.compressionFlags = compressedType_Values.None;
int subLength = 8 + 8 + 22;
if(surfStreamCmd.bitmapData.exBitmapDataHeader != null)
{
subLength += 24;
}
surfCmds.size = (ushort)(subLength + surfStreamCmd.bitmapData.bitmapDataLength);//size of TS_SURFCMD_STREAM_SURF_BITS;
surfCmds.surfaceCommands = new TS_SURFCMD[1];
surfCmds.surfaceCommands[0] = surfStreamCmd;
TS_FP_UPDATE_PDU fpOutput;
TS_FP_UPDATE[] updates = new TS_FP_UPDATE[1];
updates[0] = surfCmds;
fpOutput = rdpbcgrServerStack.CreateFastPathUpdatePdu(rdpbcgrSessionContext, updates);
rdpbcgrServerStack.SendPdu(rdpbcgrSessionContext, fpOutput);
}
}
public static TS_FP_SURFCMDS CreateFPSurfCmds(TS_SURFCMD_SET_SURF_BITS setSurfBits)
{
TS_FP_SURFCMDS surfCmds = new TS_FP_SURFCMDS();
surfCmds.updateHeader = (byte)(((int)updateCode_Values.FASTPATH_UPDATETYPE_SURFCMDS & 0x0f)
| (((int)fragmentation_Value.FASTPATH_FRAGMENT_SINGLE) << 4)
| ((int)compressedType_Values.None << 6));
surfCmds.compressionFlags = compressedType_Values.None;
surfCmds.surfaceCommands = new TS_SURFCMD[1];
surfCmds.surfaceCommands[0] = setSurfBits;
surfCmds.size = (ushort)(22 + setSurfBits.bitmapData.bitmapDataLength);
return surfCmds;
}