public ResourceClient(DeviceAddress address, string resourceUri)
{
_observeCallbackData = new OCCallbackData();
_observeCallbackData.cb = _observeCallbackHandler = OnObserveCallback;
_resourceUri = resourceUri;
_address = address;
//var result = OCStack.OCDoResource(out _handle, OCMethod.OC_REST_OBSERVE, resourceUri, address.OCDevAddr, IntPtr.Zero, OCConnectivityType.CT_DEFAULT, OCQualityOfService.OC_LOW_QOS, _observeCallbackData, null, 0);
//OCStackException.ThrowIfError(result, "Failed to observe resource");
}
public DiscoverResource(string requestUri = Interop.Defines.OC_RSRVD_WELL_KNOWN_URI)
{
onDiscoverHandler = OnDiscover;
gchandle2 = GCHandle.Alloc(onDiscoverHandler);
cbData = new OCCallbackData()
{
cb = onDiscoverHandler
};
this.requestUri = requestUri;
gchandle = GCHandle.Alloc(cbData);
}
private async Task <ClientResponse <Payload> > SendAsync(string resourceTypeName, Dictionary <string, object> data, OCMethod method)
{
var tcs = new TaskCompletionSource <ClientResponse <Payload> >();
var callbackData = new OCCallbackData();
OCClientResponseHandler handler = (context, handle, clientResponse) =>
{
GCHandle.FromIntPtr(context).Free();
if (clientResponse.result > OCStackResult.OC_STACK_RESOURCE_CHANGED)
{
var err = OCStackException.CreateException(clientResponse.result, "Resource returned error");
tcs.SetException(err);
}
else
{
tcs.SetResult(new ClientResponse <Payload>(clientResponse));
}
return(OCStackApplicationResult.OC_STACK_DELETE_TRANSACTION);
};
var gcHandle = GCHandle.Alloc(handler);
callbackData.cb = handler;
callbackData.context = GCHandle.ToIntPtr(gcHandle);
IntPtr payloadHandle = IntPtr.Zero;
if (resourceTypeName != null)
{
RepPayload payload = new RepPayload(data);
payload.SetUri(_resourceUri);
payload.Types.Add(resourceTypeName);
payloadHandle = payload.AsOCRepPayload();
}
var result = OCStack.OCDoRequest(out _handle, method, _resourceUri, _address.OCDevAddr, payloadHandle, OCConnectivityType.CT_DEFAULT, OCQualityOfService.OC_LOW_QOS, callbackData, null, 0);
if (payloadHandle != IntPtr.Zero)
{
OCPayloadInterop.OCPayloadDestroy(payloadHandle);
}
OCStackException.ThrowIfError(result, "Failed to send to resource");
var response = await tcs.Task.ConfigureAwait(false);
return(response);
}
