public async Task <float> ReadTemperatureAsync(CancellationToken ct)
{
float temperature = await Task.Run <float>(async() =>
{
// Simulate measuring temperature
float baseTemperature = 10.0F;
Random rand = new Random();
float newTemperature = baseTemperature + (float)rand.NextDouble() * 4 - 2;
await Task.Delay(1000, ct);
ct.ThrowIfCancellationRequested();
return(newTemperature);
}, ct);
NewMeasureEventArgs eventArgs = new NewMeasureEventArgs
{
Measure = temperature,
MeasuredAt = DateTime.Now
};
OnNewMeasure(eventArgs);
return(temperature);
}
private async void SendMessagesAsync(Thermostat sender, NewMeasureEventArgs e)
{
ThermostatClient thermostatClient = deviceList.SingleOrDefault(d => d.Thermostat.Id == sender.Id);
if (thermostatClient == null)
{
return;
}
var telemetryDataPoint = new
{
deviceId = sender.Id,
temperature = e.Measure
};
var messageString = JsonConvert.SerializeObject(telemetryDataPoint);
var message = new Microsoft.Azure.Devices.Client.Message(Encoding.ASCII.GetBytes(messageString));
await thermostatClient.Client.SendEventAsync(message);
}
protected virtual void OnNewMeasure(NewMeasureEventArgs e)
{
NewMeasure?.Invoke(this, e);
}