/// <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;
surfCmds.size = (ushort)(8 + 8 + 22 + 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);
}
}
/// <summary>
/// Establish a MultiTransport Connection
/// </summary>
private void EstablishTransportConnection()
{
// Send the Server Initial multitransport
byte[] securityCookie = new byte[16];
Random rnd = new Random();
rnd.NextBytes(securityCookie);
Server_Initiate_Multitransport_Request_PDU requestPDU = rdpbcgrServer.CreateServerInitiateMultitransportRequestPDU(serverSessionContext, ++multitransportId, transportProtocol, securityCookie);
rdpbcgrServer.SendPdu(serverSessionContext, requestPDU);
//Create RDP-UDP Connection
CreateRdpeudpServer(this.serverSessionContext);
TransportMode transMode = TransportMode.Reliable;
if (transportProtocol == Multitransport_Protocol_value.INITITATE_REQUEST_PROTOCOL_UDPFECL)
{
transMode = TransportMode.Lossy;
}
rdpeudpSocket = rdpeudpServer.Accept(((IPEndPoint)serverSessionContext.Identity).Address, transMode, timeout);
if (rdpeudpSocket == null)
{
if (rdpeudpServer != null && rdpeudpServer.Running)
{
rdpeudpServer.Dispose();
}
throw new NotSupportedException("RDPEMT Server create rdpedupSocket failed.");
}
rdpemtServer = new RdpemtServer(rdpeudpSocket, rdpbcgrServer.AuthCertificate, true);
rdpemtServer.Received += ReceivedBytes;
uint receivedRequestId;
byte[] receivedCookie;
if (!rdpemtServer.ExpectConnect(timeout, out receivedRequestId, out receivedCookie))
{
throw new ProtocolViolationException("RDPEMT Server Expect Connection failed");
}
if (receivedRequestId != multitransportId || receivedCookie == null || receivedCookie.Length != 16)
{
throw new ProtocolViolationException("RDPEMT Server received a connection with un-expected request id or Cookie is null (or cookie's length is not 16)!");
}
for (int i = 0; i < receivedCookie.Length; i++)
{
if (receivedCookie[i] != securityCookie[i])
{
throw new ProtocolViolationException("RDPEMT Server received a connection with un-correct cookie!");
}
}
}
/// <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 = new nested_TS_FP_UPDATE_updateHeader(updateCode_Values.FASTPATH_UPDATETYPE_SURFCMDS);
surfCmds.AssignUpdateDataAndSize();
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;
surfCmds.updateData = surfCmds.EncodeBody();
fpOutput = rdpbcgrServerStack.CreateFastPathUpdatePdu(rdpbcgrSessionContext, updates);
rdpbcgrServerStack.SendPdu(rdpbcgrSessionContext, fpOutput);
}
}
/// <summary>
/// Send a packet
/// </summary>
/// <param name="packet"></param>
private void SendPdu(RdpbcgrServerPdu packet)
{
rdpbcgrServerStack.SendPdu(sessionContext, packet);
}
