/// <summary>
        /// Constructor
        /// </summary>
        /// <param name="eudpSocket">RDPEUDP Socket, which is transport</param>
        public RdpeudpDTLSChannel(RdpeudpSocket eudpSocket)
        {
            if (eudpSocket == null || eudpSocket.TransMode == TransportMode.Reliable)
            {
                throw new NotSupportedException("RdpeudpSocket is null or it is a socket for reliable RDPEUDP connection.");
            }

            this.rdpeudpSocket           = eudpSocket;
            this.rdpeudpSocket.Received += ReceiveBytes;
            isAuthenticated              = false;

            rdpeudpSocket.Disconnected += RdpeudpSocket_Disconnected;

            receivedBuffer = new List <byte[]>();
            toSendBuffer   = new List <byte[]>();

            if (eudpSocket.AutoHandle)
            {
                // Check whether there is packets in unprocessed packet buffer

                RdpeudpPacket packet = eudpSocket.ExpectPacket(shortWaitTime);
                if (packet != null)
                {
                    eudpSocket.ReceivePacket(packet);
                }
            }
        }
        /// <summary>
        /// Expect for a Source Packet.
        /// </summary>
        /// <param name="udpTransportMode">Transport mode: reliable or lossy.</param>
        /// <param name="timeout">Wait time</param>
        /// <returns></returns>
        private RdpeudpPacket WaitForSourcePacket(TransportMode udpTransportMode, TimeSpan timeout, uint sequnceNumber = 0)
        {
            RdpeudpSocket rdpeudpSocket = rdpeudpSocketR;

            if (udpTransportMode == TransportMode.Lossy)
            {
                rdpeudpSocket = rdpeudpSocketL;
            }

            DateTime endTime = DateTime.Now + timeout;

            while (DateTime.Now < endTime)
            {
                RdpeudpPacket packet = rdpeudpSocket.ExpectPacket(endTime - DateTime.Now);
                if (packet != null && packet.fecHeader.uFlags.HasFlag(RDPUDP_FLAG.RDPUDP_FLAG_DATA))
                {
                    if (sequnceNumber == 0 || packet.sourceHeader.Value.snSourceStart == sequnceNumber)
                    {
                        return(packet);
                    }
                }
            }

            return(null);
        }
Exemplo n.º 3
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        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="eudpSocket">A RdpeudpSocket used for transport</param>
        public RdpeudpTLSChannel(RdpeudpSocket eudpSocket)
        {
            if (eudpSocket == null || eudpSocket.TransMode == TransportMode.Lossy)
            {
                throw new NotSupportedException("RdpeudpSocket is null or it is a socket for Lossy RDPEUDP connection.");
            }
            this.rdpeudpSocket           = eudpSocket;
            this.rdpeudpSocket.Received += ReceiveBytes;
            innerStream     = new SSLInnerStream();
            isAuthenticated = false;

            if (eudpSocket.AutoHandle)
            {
                // Check whether there is packets in unprocessed packet buffer

                RdpeudpPacket packet = eudpSocket.ExpectPacket(shortWaitTime);
                if (packet != null)
                {
                    eudpSocket.ReceivePacket(packet);
                }
            }
        }