/// <summary>
/// Update Start from module Twin.
/// </summary>
static async Task DoTwinUpdate(TwinCollection desiredProperties, ModuleClient ioTHubModuleClient)
{
string serializedStr = JsonConvert.SerializeObject(desiredProperties);
Console.WriteLine("Updating desired properties:");
Console.WriteLine(serializedStr);
if (string.IsNullOrEmpty(serializedStr))
{
Console.WriteLine("No configuration provided for the module Twin.");
}
else if (!desiredProperties.Contains(DriveProfileConfig.DriveProfileConfigSection))
{
Console.WriteLine("No driverProfile configuration defined in Twin desired properties or local settings");
Console.WriteLine("Configuration must contain required section " + DriveProfileConfig.DriveProfileConfigSection);
}
else
{
Console.WriteLine("Attempt to parse configuration");
DriveProfileConfig config = JsonConvert.DeserializeObject <DriveProfileConfig>(serializedStr);
ModuleMessageHandler moduleHandle = ModuleMessageHandler.CreateFromConfig(config);
if (moduleHandle != null)
{
var userContext = new Tuple <ModuleClient, ModuleMessageHandler>(ioTHubModuleClient, moduleHandle);
// Register callback to be called when a message is received by the module
await ioTHubModuleClient.SetInputMessageHandlerAsync(
"driveProfileInput",
PipeMessage,
userContext);
Console.WriteLine("DriverProfile module was loaded sucessfully and listining for modbus messages.");
}
else
{
Console.WriteLine("Error creating modbus message handler. Message processing stopped.");
}
// Report current module config via moduleTwin
serializedStr = JsonConvert.SerializeObject(config);
TwinCollection reported = JsonConvert.DeserializeObject <TwinCollection>(serializedStr);
await ioTHubModuleClient.UpdateReportedPropertiesAsync(reported);
}
}
public static ModuleMessageHandler CreateFromConfig(DriveProfileConfig config)
{
if (config == null || config.SignalConfigs == null)
{
return(null);
}
ModuleMessageHandler moduleHandle = new ModuleMessageHandler();
foreach (string keyName in config.SignalConfigs.Keys)
{
DriveProfileSignalConfig signalConfig = config.SignalConfigs[keyName];
SignalProcessor signalProcessor = new SignalProcessor(keyName, signalConfig);
moduleHandle.SignalProcessorList.Add(signalProcessor);
}
return(moduleHandle);
}