public async Task <ActionResult> AddSensor(SimulatedSensor item, string createButton)
{
if (createButton.Equals("Cancel"))
{
return(Redirect(CacheHelper.GetPreviousPage(_cache)));
}
if (item.HardwareId == null)
{
item.HardwareId = Guid.NewGuid().ToString();
}
if (item.DataType == DataTypeEnum.Motion)
{
item.InitialValue = true.ToString();
}
else if (item.InitialValue == null)
{
item.InitialValue = ((item.MaxValue - item.MinValue) / 2).ToString();
}
var list = await CacheHelper.GetSimulatedSensorListFromCacheAsync(_cache);
list.Add(item);
await CacheHelper.AddSimulatedSensorListInCacheAsync(_cache, list);
return(RedirectToAction(nameof(Index)));
}
public static async Task SendEvent(DeviceClient deviceClient, SimulatedSensor sensor)
{
var serializer = new DataContractJsonSerializer(typeof(CustomTelemetryMessage));
var curIteration = 0;
var getRandomSensorReading = CreateGetRandomSensorReading(sensor.DataType.ToString(), curIteration);
var telemetryMessage = new CustomTelemetryMessage()
{
SensorValue = getRandomSensorReading(),
};
using (var stream = new MemoryStream())
{
serializer.WriteObject(stream, telemetryMessage);
var byteArray = stream.ToArray();
Message eventMessage = new Message(byteArray);
eventMessage.Properties.Add("DigitalTwins-Telemetry", "1.0");
eventMessage.Properties.Add("DigitalTwins-SensorHardwareId", $"{sensor.HardwareId}");
eventMessage.Properties.Add("CreationTimeUtc", DateTime.UtcNow.ToString("o"));
eventMessage.Properties.Add("x-ms-client-request-id", Guid.NewGuid().ToString());
await FeedbackHelper.Channel.SendMessageAsync(
$"\t{DateTime.UtcNow.ToLocalTime()}> Sending message: {Encoding.UTF8.GetString(eventMessage.GetBytes())} " +
$"Properties: {{ {eventMessage.Properties.Aggregate(new StringBuilder(), (sb, x) => sb.Append($"'{x.Key}': '{x.Value}',"), sb => sb.ToString())} }}"
, MessageType.Info);
await deviceClient.SendEventAsync(eventMessage);
}
}
public static void Start()
{
Accelerometer = new SimulatedSensor <MotionVector>();
Gyroscope = new SimulatedSensor <MotionVector>();
Compass = new SimulatedSensor <double>();
}
