/// <summary>
        /// Load resources associated with a specific device.
        /// </summary>
        /// <returns>a collection of CoApResource objects</returns>
        public override CoApResources LoadResources()
        {
            this.Send();

            CoApDiscoveryResponse response = this.DiscoveryResponse;

            return(response.Resources);
        }
        /// <summary>
        /// Load resources associated with a specific device.
        /// This is the CoAP Gateway implementation of CoApDiscovery.
        /// </summary>
        /// <returns>a collection of CoApResource objects</returns>
        ///
        public override CoApResources LoadResources()
        {
            // If we can't establish a socket with a good login to the gateway api, then just return;
            bool gotSession = false;

            try
            {
                gotSession = CoApGatewaySessionManager.Instance.EstablishSession();
            }
            catch (Exception noSession)
            {
                FileLogger.Write("Error obtaining session");
                FileLogger.Write(noSession.Message);
                FileLogger.Write(noSession.StackTrace);
                this.ErrorResult = "Error obtaining session" + noSession.Message;
            }

            if (!gotSession)
            {
                FileLogger.Write("Session NOT Established");
                return(null);
            }

            // This represents the device being examined.
            string serverIP = __IpAddress;

            // Set up the notification handlers.
            CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPDiscoveryResponseReceived);
            CoApGatewaySessionManager.Instance.Client.CoAPError            += new CoAPErrorHandler(OnCoAPDiscoveryError);
            __TimedOut = true;

            // Discovery requires confirmation and a message type of GET
            coapReq = new CoAPRequest(this.ConfirmableMessageType,
                                      CoAPMessageCode.GET,
                                      HdkUtils.MessageId());

            string uriToCall = "coap://" + UriFromMac(__IpAddress) + ":" + __ServerPort + "/.well-known/core";//"/.well-known/core";

            coapReq.SetURL(uriToCall);
            SetToken();
            // Send out the coap request

            // JJK - Change in v2.0.7
            //coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
            // make Proxy packet Change in v2.0.7
            coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
            //coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://SSN001350050047dc9a.SG.YEL01.SSN.SSNSGS.NET:4849/.well-known/core");
            coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + UriFromMac(__IpAddress) + ":" + "4849" + "/.well-known/core");
            coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
            coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
            coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
            coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
            coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
            // end of Changes in v2.0.7

            FileLogger.Write("About to send Gateway resource request");
            FileLogger.Write(coapReq.ToString());
            CoApGatewaySessionManager.Instance.Client.Send(coapReq);

            CoApDiscoveryResponse response = null;

            // Wait for a response from the discovery request.
            // Time out after the pre-defined maximum wait time.
            __Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
            response = this.DiscoveryResponse;

            // Reset the wait object
            __Done.Reset();
            if (__TimedOut)
            {
                this.ErrorResult = "Request timed out";
            }
            // Remove event handlers.
            CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPDiscoveryResponseReceived);
            CoApGatewaySessionManager.Instance.Client.CoAPError            -= new CoAPErrorHandler(OnCoAPDiscoveryError);
            return(response.Resources);
        }