private async void Connection_RequestReceived(AppServiceConnection sender, AppServiceRequestReceivedEventArgs args)
{
// if you are doing anything awaitable, you need to get a deferral
var requestDeferral = args.GetDeferral();
var returnMessage = new ValueSet();
try
{
//obtain and react to the command passed in by the client
var message = args.Request.Message["Request"] as string;
switch (message)
{
case "SensorData":
CrossCuttingRT.Dto.SensorsDataDto sd = _proxy.ReadSensorData();
returnMessage.Add("Temperature", sd.Temperature);
returnMessage.Add("LightLevel", sd.LightLevel);
break;
}
returnMessage.Add("Response", "OK");
}
catch (Exception ex)
{
returnMessage.Add("Response", "Failed: " + ex.Message);
}
await args.Request.SendResponseAsync(returnMessage);
//let the OS know that the action is complete
requestDeferral.Complete();
}
private async void _timerElapsed(ThreadPoolTimer timer)
{
if (_running)
{
return;
}
_running = true;
try
{
var data = await PollData();
if (data != null)
{
SensorData = data;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.Write(ex);
}
finally
{
_running = false;
}
}
internal CrossCuttingRT.Dto.SensorsDataDto ReadSensorData()
{
try
{
var dto = new CrossCuttingRT.Dto.SensorsDataDto();
dto.Temperature = _instance.GetTemperature();
dto.LightLevel = _instance.GetLightLevel();
return(dto);
}
catch (Exception ex)
{
throw;
}
}
private async Task <CrossCuttingRT.Dto.SensorsDataDto> PollData()
{
CrossCuttingRT.Dto.SensorsDataDto result = null;
using (var dataService = new AppServiceConnection())
{
var listing = await AppServiceCatalog.FindAppServiceProvidersAsync("DataCollectorInterface");
var packageName = "";
// there may be cases where other applications could expose the same App Service Name, in our case
// we only have the one
if (listing.Count == 1)
{
packageName = listing[0].PackageFamilyName;
}
dataService.AppServiceName = "DataCollectorInterface";
dataService.PackageFamilyName = packageName;
var status = await dataService.OpenAsync();
if (status == AppServiceConnectionStatus.Success)
{
var msg = new ValueSet();
msg.Add("Request", "SensorData");
AppServiceResponse request = await dataService.SendMessageAsync(msg);
if (request.Status == AppServiceResponseStatus.Success)
{
CrossCuttingRT.Dto.SensorsDataDto data = new CrossCuttingRT.Dto.SensorsDataDto();
data.Temperature = request.Message["Temperature"] as double?;
data.LightLevel = request.Message["LightLevel"] as double?;
result = data;
}
else
{
System.Diagnostics.Debug.WriteLine("Request Response Status: " + status.ToString());
}
}
}
return(result);
}
public CrossCuttingRT.Dto.SensorsDataDto ReadSensorData()
{
try
{
//var InstanceTask = FEZHAT.CreateAsync();
//InstanceTask.Wait();
//var Instance = InstanceTask.Result;
//Instance.D3.Color = new FEZHAT.Color(0, 0, 255);
if (Instance == null)
{
return(null);
}
var dto = new CrossCuttingRT.Dto.SensorsDataDto();
dto.Temperature = Instance.GetTemperature();
dto.LightLevel = Instance.GetLightLevel();
if (Instance.D2.Color.R == 255)
{
Instance.D2.Color = new FEZHAT.Color(0, 255, 0);
}
else
{
Instance.D2.Color = new FEZHAT.Color(255, 0, 0);
}
return(dto);
}
catch (Exception ex)
{
throw;
}
}