/// <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);
}
