/// <summary>
/// Callback on command received.
/// </summary>
/// <param name="commandRequest">information regarding the command received.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
protected override async Task <DigitalTwinCommandResponse> OnCommandRequest(DigitalTwinCommandRequest commandRequest)
{
Console.WriteLine($"\t Command - {commandRequest.Name} was invoked from the service");
Console.WriteLine($"\t Data - {commandRequest.Payload}");
Console.WriteLine($"\t Request Id - {commandRequest.RequestId}.");
switch (commandRequest.Name)
{
case BlinkCommand:
return(new DigitalTwinCommandResponse(StatusCodeCompleted, "{\"description\": \"abc\"}"));
case RunDiagnosticsCommand:
var t = Task.Run(async() =>
{
Console.WriteLine("RunDiagnosticAsync started...");
// delay thread to simulate a long running operation
await Task.Delay(5 * 1000).ConfigureAwait(false);
string updateMessage = "25% complete";
Console.WriteLine(updateMessage);
await this.UpdateAsyncCommandStatusAsync(new DigitalTwinAsyncCommandUpdate(commandRequest.Name, commandRequest.RequestId, StatusCodePending, updateMessage)).ConfigureAwait(false);
await Task.Delay(5 * 1000).ConfigureAwait(false);
updateMessage = "50% complete";
Console.WriteLine(updateMessage);
await this.UpdateAsyncCommandStatusAsync(new DigitalTwinAsyncCommandUpdate(commandRequest.Name, commandRequest.RequestId, StatusCodePending, updateMessage)).ConfigureAwait(false);
await Task.Delay(5 * 1000).ConfigureAwait(false);
updateMessage = "75% complete";
Console.WriteLine(updateMessage);
await this.UpdateAsyncCommandStatusAsync(new DigitalTwinAsyncCommandUpdate(commandRequest.Name, commandRequest.RequestId, StatusCodePending, updateMessage)).ConfigureAwait(false);
await Task.Delay(5 * 1000).ConfigureAwait(false);
updateMessage = "100% complete";
Console.WriteLine(updateMessage);
Console.WriteLine("RunDiagnosticAsync done... Send status update.");
await this.UpdateAsyncCommandStatusAsync(new DigitalTwinAsyncCommandUpdate(commandRequest.Name, commandRequest.RequestId, StatusCodeCompleted, updateMessage)).ConfigureAwait(false);
});
return(new DigitalTwinCommandResponse(StatusCodePending, null));
case TurnOffLightCommand:
await this.DeviceStatePropertyAsync(false);
return(new DigitalTwinCommandResponse(StatusCodeCompleted, null));
case TurnOnLightCommand:
await this.DeviceStatePropertyAsync(true);
return(new DigitalTwinCommandResponse(StatusCodeCompleted, null));
default:
Console.WriteLine($"Command name '{commandRequest.Name}' is not handled.");
return(new DigitalTwinCommandResponse(StatusCodeNotImplemented, null));
}
}
/// <summary>
/// Callback on command received.
/// </summary>
/// <param name="commandRequest">information regarding the command received.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
protected override async Task <DigitalTwinCommandResponse> OnCommandRequest(DigitalTwinCommandRequest commandRequest)
{
// There is only one command that ModelDefinition defines, and it is getModelDefinition. That command must specify the
// model Id in the payload, and the device must return the model definition in the command response payload
if (getModelDefinitionCommandName.Equals(commandRequest.Name))
{
string commandPayload = JsonConvert.DeserializeObject <string>(commandRequest.Payload);
if (commandPayload.Equals(EnvironmentalSensorInterface.EnvironmentalSensorInterfaceId))
{
return(new DigitalTwinCommandResponse(StatusCodeCompleted, this.environmentalSensorModelDefinition));
}
}
return(new DigitalTwinCommandResponse(StatusCodeNotImplemented, null));
}
