/// <summary>
/// Initializes the ModuleClient and sets up the callback to receive
/// messages
/// </summary>
static async Task Init()
{
AmqpTransportSettings amqpSetting = new AmqpTransportSettings(TransportType.Amqp_Tcp_Only);
ITransportSettings[] settings = { amqpSetting };
// Open a connection to the Edge runtime
ModuleClient ioTHubModuleClient = await ModuleClient.CreateFromEnvironmentAsync(settings);
await ioTHubModuleClient.OpenAsync();
Console.WriteLine("IoT Hub module client initialized.");
var moduleTwin = await ioTHubModuleClient.GetTwinAsync();
var moduleTwinCollection = moduleTwin.Properties.Desired;
desiredPropertiesData = new DesiredPropertiesData(moduleTwinCollection);
// callback for updating desired properties through the portal or rest api
await ioTHubModuleClient.SetDesiredPropertyUpdateCallbackAsync(OnDesiredPropertiesUpdate, null);
// Register callback to be called when a message is received by the module
await ioTHubModuleClient.SetInputMessageHandlerAsync("input1", PipeMessage, ioTHubModuleClient);
// as this runs in a loop we don't await
SendSimulationData(ioTHubModuleClient);
}
private static Task OnDesiredPropertiesUpdate(TwinCollection twinCollection, object userContext)
{
desiredPropertiesData = new DesiredPropertiesData(twinCollection);
return(Task.CompletedTask);
}