private static Task OnDesiredPropertiesUpdate(TwinCollection desiredProperties, object userContext)
{
try
{
string json = JsonConvert.SerializeObject(desiredProperties);
Console.WriteLine("Desired property change:");
ModbusLayoutConfig modbusConfig = JsonConvert.DeserializeObject <ModbusLayoutConfig>(json);
ModbusMessage.SurfaceLayoutConfig = modbusConfig.SurfaceCardConfiguration;
ModbusMessage.PumpLayoutConfig = modbusConfig.PumpCardConfiguration;
OpcMessageConfig opcCardConfig = JsonConvert.DeserializeObject <OpcMessageConfig>(json);
OpcMessage.PumpCardConfig = opcCardConfig.PumpCard;
OpcMessage.SurfaceCardConfig = opcCardConfig.SurfaceCard;
string sqlConnectionString = desiredProperties["sqlConnectionString"];
DataHelper.ConnectionString = sqlConnectionString;
Console.WriteLine($"sqlConnectionString: {sqlConnectionString}");
try
{
int numberOfMinsForHistory = desiredProperties["dynoCardHistoryInMins"];
DataHelper.NumberOfMinutesForHistory = numberOfMinsForHistory;
Console.WriteLine($"dynoCardHistoryInMins: {numberOfMinsForHistory}");
}
catch (Exception ex)
{
System.Console.WriteLine("Error reading dynoCardHistoryInMins property, setting to default value - 1. " + ex.Message);
DataHelper.NumberOfMinutesForHistory = 1;
}
}
catch (AggregateException ex)
{
foreach (Exception exception in ex.InnerExceptions)
{
Console.WriteLine();
Console.WriteLine("Error when receiving desired property: {0}", exception);
}
}
catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine("Error when receiving desired property: {0}", ex.Message);
}
return(Task.CompletedTask);
}
/// <summary>
/// Initializes the DeviceClient and sets up the callback to receive
/// messages containing temperature information
/// </summary>
static async Task Init()
{
Console.WriteLine("Starting Init process...");
try
{
Console.WriteLine("Setting transport settings...");
AmqpTransportSettings amqpTransportSetting = new AmqpTransportSettings(TransportType.Amqp_Tcp_Only);
ITransportSettings[] settings = { amqpTransportSetting };
Console.WriteLine("Setting up module client...");
// Open a connection to the Edge runtime
ModuleClient ioTHubModuleClient = await ModuleClient.CreateFromEnvironmentAsync(settings);
await ioTHubModuleClient.OpenAsync();
Console.WriteLine("IoT Hub module client initialized.");
Console.WriteLine("Setting module twin info...");
var moduleTwin = await ioTHubModuleClient.GetTwinAsync();
Console.WriteLine("Getting module twin desired props...");
var desiredProperties = moduleTwin.Properties.Desired;
Console.WriteLine("Setting SQL connection string...");
string sqlConnectionString = desiredProperties["sqlConnectionString"];
DataHelper.ConnectionString = sqlConnectionString;
Console.WriteLine($"sqlConnectionString: {sqlConnectionString}");
Console.WriteLine("Setting number of mins for dyno card history...");
int historyInMins = desiredProperties["dynoCardHistoryInMins"];
DataHelper.NumberOfMinutesForHistory = historyInMins;
Console.WriteLine($"dynoCardHistoryInMins: {historyInMins}");
string json = JsonConvert.SerializeObject(desiredProperties);
ModbusLayoutConfig modbusConfig = JsonConvert.DeserializeObject <ModbusLayoutConfig>(json);
ModbusMessage.SurfaceLayoutConfig = modbusConfig.SurfaceCardConfiguration;
ModbusMessage.PumpLayoutConfig = modbusConfig.PumpCardConfiguration;
OpcMessageConfig opcCardConfig = JsonConvert.DeserializeObject <OpcMessageConfig>(json);
OpcMessage.PumpCardConfig = opcCardConfig.PumpCard;
OpcMessage.SurfaceCardConfig = opcCardConfig.SurfaceCard;
Console.WriteLine("Setting module twin property handler");
// Attach callback for Twin desired properties updates
await ioTHubModuleClient.SetDesiredPropertyUpdateCallbackAsync(OnDesiredPropertiesUpdate, null);
Console.WriteLine("Setting modbusInput handler");
// Register callback to be called when a message is received by the module
await ioTHubModuleClient.SetInputMessageHandlerAsync("modbusInput", ProcessModbusInput, ioTHubModuleClient);
Console.WriteLine("Setting opcInput handler");
// Register callback to be called when a message is received by the module
await ioTHubModuleClient.SetInputMessageHandlerAsync("opcInput", ProcessOPCInput, ioTHubModuleClient);
Console.WriteLine("Setting generated telemetry handler");
// Register callback to be called when a message is received by the module
await ioTHubModuleClient.SetInputMessageHandlerAsync("telemetryInput", GeneratedTelemetryInput, ioTHubModuleClient);
Console.WriteLine("Setting alertInput handler");
// Register callback to be called when an alert is received by the module
await ioTHubModuleClient.SetInputMessageHandlerAsync("alertInput", ProcessAlert, ioTHubModuleClient);
Console.WriteLine("Setting config update direct method handler");
// Register callback to be called when an alert is received by the module
await ioTHubModuleClient.SetMethodHandlerAsync("configUpdate", ConfigurationUpdate, ioTHubModuleClient);
Console.WriteLine("Done setting inputs");
}
catch (Exception ex)
{
Console.WriteLine($"Exception during Init: {ex.Message}");
Console.WriteLine(ex.StackTrace);
}
}
