/// <summary>
/// Encode NetWork Detection Request
/// </summary>
/// <param name="sendBuffer">The buffer list to contain the encoded PDU.</param>
/// <param name="networkDetectionRequest">The Network Detect Request want to be encoded</param>
internal static void EncodeNetworkDetectionRequest(List <byte> sendBuffer, NETWORK_DETECTION_REQUEST networkDetectionRequest, bool isSubHeader = false)
{
if (!isSubHeader)
{
EncodeStructure(sendBuffer, networkDetectionRequest.headerLength);
EncodeStructure(sendBuffer, (byte)networkDetectionRequest.headerTypeId);
}
EncodeStructure(sendBuffer, networkDetectionRequest.sequenceNumber);
EncodeStructure(sendBuffer, (ushort)networkDetectionRequest.requestType);
AUTO_DETECT_REQUEST_TYPE requestType = networkDetectionRequest.requestType;
if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_RTT_REQUEST_IN_CONNECTTIME || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_RTT_REQUEST_AFTER_CONNECTTIME)
{
//RDP_RTT_REQUEST
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_START_IN_CONNECTTIME || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_START_AFTER_CONNECTTIME_OR_RELIABLEUDP || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_START_AFTER_CONNECTTIME_OR_LOSSYUDP)
{
//RDP_BW_START
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_PAYLOAD)
{
//RDP_BW_PAYLOAD
RDP_BW_PAYLOAD bwPayload = (RDP_BW_PAYLOAD)networkDetectionRequest;
EncodeStructure(sendBuffer, bwPayload.payloadLength);
EncodeBytes(sendBuffer, bwPayload.payload);
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_STOP_IN_CONNECTTIME || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_STOP_AFTER_CONNECTTIME_OR_RELIABLEUDP || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_STOP_AFTER_CONNECTTIME_OR_LOSSYUDP)
{
//RDP_BW_STOP
if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_STOP_IN_CONNECTTIME)
{
RDP_BW_STOP bwStop = (RDP_BW_STOP)networkDetectionRequest;
EncodeStructure(sendBuffer, bwStop.payloadLength);
EncodeBytes(sendBuffer, bwStop.payload);
}
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BANDWIDTH_AVERAGERTT || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BASERTT_AVERAGERTT || requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BASERTT_BANDWIDTH_AVERAGERTT)
{
//RDP_NETCHAR_RESULT
RDP_NETCHAR_RESULT netCharResult = (RDP_NETCHAR_RESULT)networkDetectionRequest;
if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BANDWIDTH_AVERAGERTT)
{
EncodeStructure(sendBuffer, netCharResult.bandwidth);
EncodeStructure(sendBuffer, netCharResult.averageRTT);
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BASERTT_AVERAGERTT)
{
EncodeStructure(sendBuffer, netCharResult.baseRTT);
EncodeStructure(sendBuffer, netCharResult.averageRTT);
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BASERTT_BANDWIDTH_AVERAGERTT)
{
EncodeStructure(sendBuffer, netCharResult.baseRTT);
EncodeStructure(sendBuffer, netCharResult.bandwidth);
EncodeStructure(sendBuffer, netCharResult.averageRTT);
}
}
}
/// <summary>
/// Send a Tunnel Data PDU with RDP_BW_STOP in its subheader
/// </summary>
/// <param name="requestedProtocol"></param>
/// <param name="sequenceNumber"></param>
private void SendTunnelDataPdu_BWStop(Multitransport_Protocol_value requestedProtocol, ushort sequenceNumber)
{
AUTO_DETECT_REQUEST_TYPE requestType = AUTO_DETECT_REQUEST_TYPE.RDP_BW_STOP_AFTER_CONNECTTIME_OR_RELIABLEUDP;
RdpemtServer rdpemtServer = rdpemtServerR;
if (requestedProtocol == Multitransport_Protocol_value.INITITATE_REQUEST_PROTOCOL_UDPFECL)
{
requestType = AUTO_DETECT_REQUEST_TYPE.RDP_BW_STOP_AFTER_CONNECTTIME_OR_LOSSYUDP;
rdpemtServer = rdpemtServerL;
}
RDP_BW_STOP bwStop = RdpbcgrUtility.GenerateBandwidthMeasureStop(requestType, sequenceNumber);
byte[] reqData = rdpbcgrServer.EncodeNetworkDetectionRequest(bwStop, true);
List <byte[]> subHdDataList = new List <byte[]>();
subHdDataList.Add(reqData);
RDP_TUNNEL_DATA tunnelData = rdpemtServer.CreateTunnelDataPdu(null, subHdDataList);
rdpemtServer.SendRdpemtPacket(tunnelData);
}
/// <summary>
/// Send a Tunnel Data PDU with RTT Measure Request in its subheader
/// </summary>
/// <param name="udpTransportMode">Transport Mode: Reliable or Lossy</param>
private void SendTunnelDataPdu_RTTMeasureRequest(Multitransport_Protocol_value requestedProtocol, ushort sequenceNumber)
{
AUTO_DETECT_REQUEST_TYPE requestType = AUTO_DETECT_REQUEST_TYPE.RDP_RTT_REQUEST_AFTER_CONNECTTIME;
RdpemtServer rdpemtServer = rdpemtServerR;
if (requestedProtocol == Multitransport_Protocol_value.INITITATE_REQUEST_PROTOCOL_UDPFECL)
{
rdpemtServer = rdpemtServerL;
}
RDP_RTT_REQUEST RTTRequest = RdpbcgrUtility.GenerateRTTMeasureRequest(requestType, sequenceNumber);
byte[] reqData = rdpbcgrServer.EncodeNetworkDetectionRequest(RTTRequest, true);
List <byte[]> subHdDataList = new List <byte[]>();
subHdDataList.Add(reqData);
RDP_TUNNEL_DATA tunnelData = rdpemtServer.CreateTunnelDataPdu(null, subHdDataList);
rttDataStore.requestTime = DateTime.Now;
rdpemtServer.SendRdpemtPacket(tunnelData);
}
