/// <summary>
/// Parse NETWORK_DETECTION_REQUEST
/// </summary>
/// <param name="data"></param>
/// <param name="currentIndex"></param>
/// <returns></returns>
public NETWORK_DETECTION_REQUEST ParseNetworkDectectRequest(byte[] data, ref int currentIndex)
{
NETWORK_DETECTION_REQUEST detectRequest = null;
byte headerLength = ParseByte(data, ref currentIndex);
HeaderTypeId_Values headerTypeId = (HeaderTypeId_Values)ParseByte(data, ref currentIndex);
ushort sequenceNumber = ParseUInt16(data, ref currentIndex, false);
AUTO_DETECT_REQUEST_TYPE requestType = (AUTO_DETECT_REQUEST_TYPE)ParseUInt16(data, ref currentIndex, false);
if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_RTT_REQUEST_IN_CONNECTTIME
|| requestType == AUTO_DETECT_REQUEST_TYPE.RDP_RTT_REQUEST_AFTER_CONNECTTIME)
{
RDP_RTT_REQUEST req = new RDP_RTT_REQUEST();
req.headerLength = headerLength;
req.headerTypeId = headerTypeId;
req.sequenceNumber = sequenceNumber;
req.requestType = requestType;
detectRequest = req;
}
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 req = new RDP_BW_START();
req.headerLength = headerLength;
req.headerTypeId = headerTypeId;
req.sequenceNumber = sequenceNumber;
req.requestType = requestType;
detectRequest = req;
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_BW_PAYLOAD)
{
RDP_BW_PAYLOAD req = new RDP_BW_PAYLOAD();
req.headerLength = headerLength;
req.headerTypeId = headerTypeId;
req.sequenceNumber = sequenceNumber;
req.requestType = requestType;
req.payloadLength = ParseUInt16(data, ref currentIndex, false);
req.payload = GetBytes(data, ref currentIndex, req.payloadLength);
detectRequest = req;
}
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 req = new RDP_BW_STOP();
req.headerLength = headerLength;
req.headerTypeId = headerTypeId;
req.sequenceNumber = sequenceNumber;
req.requestType = requestType;
if (req.headerLength > 0x06)
{
req.payloadLength = ParseUInt16(data, ref currentIndex, false);
req.payload = GetBytes(data, ref currentIndex, req.payloadLength);
}
detectRequest = req;
}
else
{
RDP_NETCHAR_RESULT req = new RDP_NETCHAR_RESULT();
req.headerLength = headerLength;
req.headerTypeId = headerTypeId;
req.sequenceNumber = sequenceNumber;
req.requestType = requestType;
if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BANDWIDTH_AVERAGERTT)
{
req.bandwidth = ParseUInt32(data, ref currentIndex, false);
req.averageRTT = ParseUInt32(data, ref currentIndex, false);
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BASERTT_AVERAGERTT)
{
req.baseRTT = ParseUInt32(data, ref currentIndex, false);
req.averageRTT = ParseUInt32(data, ref currentIndex, false);
}
else if (requestType == AUTO_DETECT_REQUEST_TYPE.RDP_NETCHAR_RESULT_BASERTT_BANDWIDTH_AVERAGERTT)
{
req.baseRTT = ParseUInt32(data, ref currentIndex, false);
req.bandwidth = ParseUInt32(data, ref currentIndex, false);
req.averageRTT = ParseUInt32(data, ref currentIndex, false);
}
detectRequest = req;
}
return detectRequest;
}
/// <summary>
/// Encode a RDP_BW_STOP structure for subheader, don't encode the first two field
/// </summary>
/// <param name="bwStop"></param>
/// <returns></returns>
public static byte[] EncodeRdpBWStop(RDP_BW_STOP bwStop)
{
List<byte> bufferList = new List<byte>();
bufferList.AddRange(ToBytes(bwStop.sequenceNumber));
bufferList.AddRange(ToBytes((ushort)bwStop.requestType));
// payloadLength and payload Must not be present when the structure is in SubHeaderData of RDP_TUNNEL_SUBHEADER
return bufferList.ToArray();
}
public override NETWORK_DETECTION_REQUEST Clone()
{
RDP_BW_STOP bwStop = new RDP_BW_STOP();
bwStop.headerLength = this.headerLength;
bwStop.headerTypeId = this.headerTypeId;
bwStop.requestType = this.requestType;
bwStop.sequenceNumber = this.sequenceNumber;
if (this.payloadLength != 0)
{
bwStop.payloadLength = this.payloadLength;
bwStop.payload = RdpbcgrUtility.CloneByteArray(this.payload);
}
return bwStop;
}
/// <summary>
/// Parse RDP_BW_STOP structure from RDPEMT subheader
/// </summary>
/// <param name="data">Data of subheader, not include first two bytes of Parse RDP_BW_STOP</param>
/// <returns></returns>
public static RDP_BW_STOP ParseRdpBWStop(byte[] data)
{
RDP_BW_STOP bwStop = new RDP_BW_STOP();
bwStop.sequenceNumber = ParseUInt16(data, 0);
bwStop.requestType = (AUTO_DETECT_REQUEST_TYPE)ParseUInt16(data, 2);
// payloadLength and payload Must not be present when the structure is in SubHeaderData of RDP_TUNNEL_SUBHEADER
return bwStop;
}