private static async void HubDeviceClientConnectionStatusChanged(ConnectionStatus status, ConnectionStatusChangeReason reason)
{
Console.WriteLine($"{nameof( HubDeviceClient )} connection status changed to: {status}, because of {reason}");
if (status == ConnectionStatus.Disconnected || status == ConnectionStatus.Disabled)
{
HubDeviceClient.Dispose();
await Task.Delay(HubDeviceClientFirstReconnectDelay);
try
{
Console.WriteLine($"Attempting first reconnect of {nameof(HubDeviceClient)}...");
await CreateHubDeviceClientAsync();
}
catch (Exception e)
{
Console.WriteLine($"Error occurred attempting first reconnect of {nameof( HubDeviceClient )}: {e}");
await Task.Delay(HubDeviceClientSecondReconnectDelay);
try
{
Console.WriteLine($"Attempting final reconnect of {nameof( HubDeviceClient )}...");
await CreateHubDeviceClientAsync();
}
catch (Exception ex)
{
Console.WriteLine($"Error occurred attempting final reconnect of {nameof( HubDeviceClient )}. Exiting application: {ex}");
_cts.Cancel();
Environment.Exit(999);
}
}
}
}
static async Task Main(string[] args)
{
SensorInfosByDataType[TemperatureDataType] = new SensorInfo(74, int.MinValue);
SensorInfosByDataType[LightDataType] = new SensorInfo(1.0, double.MinValue);
SensorInfosByDataType[MotionDataType] = new SensorInfo(false, null);
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", true)
.AddEnvironmentVariables();
Configuration = builder.Build();
CancellationTokenSource cts = new CancellationTokenSource();
try
{
Console.CancelKeyPress += (s, e) =>
{
_motionTimer?.Dispose();
e.Cancel = true;
cts.Cancel();
Console.WriteLine("Exiting...");
};
Console.WriteLine("RoomDevice - Simulate a Digital Twins device with Temperature, Light, and Motion sensors. Ctrl-C to exit.\n");
if (!ValidateSettings())
{
Console.WriteLine("RoomDevice - Your settings are invalid. Please check your setting values and try again.");
Environment.Exit(1);
}
var hardwareId = Configuration[HardwareIdSetting];
Console.WriteLine($"Your hardware ID is: {hardwareId}");
TimeSpan startupDelay = TimeSpan.FromSeconds(double.Parse(Configuration[StartupDelayInSecondsSetting]));
Console.WriteLine($"Waiting {startupDelay.TotalSeconds} seconds to startup...");
await Task.Delay(startupDelay, cts.Token);
_motionTimer = new Timer(RandomizeMotionValue, null, 5000, _randomizationDelay);
var topologyClient = new TopologyClient(Configuration[ManagementApiUrlSetting], Configuration[SasTokenSetting]);
DeviceInfo = topologyClient.GetDeviceForHardwareId(hardwareId).Result;
if (DeviceInfo == null)
{
Console.WriteLine("ERROR: Could not retrieve device information.");
Environment.Exit(2);
}
HubDeviceClient =
DeviceClient.CreateFromConnectionString(Configuration[IoTHubDeviceConnectionStringSetting], TransportType.Mqtt);
IoTHubDeviceId = IotHubConnectionStringBuilder.Create(Configuration[IoTHubDeviceConnectionStringSetting]).DeviceId;
await HubDeviceClient.SetMethodHandlerAsync("SetDesiredTemperature", SetDesiredTemperature, null);
await HubDeviceClient.SetMethodHandlerAsync("SetDesiredAmbientLight", SetAmbientLight, null);
Console.WriteLine("Connection to Digital Twins: " + DeviceInfo.ConnectionString);
TopologyDeviceClient = DeviceClient.CreateFromConnectionString(DeviceInfo.ConnectionString);
if (TopologyDeviceClient == null)
{
Console.WriteLine("Failed to create Digital Twins DeviceClient!");
Environment.Exit(3);
}
else
{
await Task.WhenAll(SimulateData( cts.Token ));
}
}
catch (Exception ex)
{
Console.WriteLine("Error in RoomDevice: {0}", ex.Message);
Environment.Exit(99);
}
}
