public async Task PublishTelemetry_Lifecycle() { // Setup // Create a DigitalTwinsClient instance. DigitalTwinsClient client = GetClient(); string wifiComponentName = "wifiAccessPoint"; string wifiModelId = await GetUniqueModelIdAsync(client, TestAssetDefaults.WifiModelIdPrefix).ConfigureAwait(false); string roomWithWifiModelId = await GetUniqueModelIdAsync(client, TestAssetDefaults.RoomWithWifiModelIdPrefix).ConfigureAwait(false); string roomWithWifiTwinId = await GetUniqueTwinIdAsync(client, TestAssetDefaults.RoomWithWifiTwinIdPrefix).ConfigureAwait(false); string eventRouteId = $"someEventRouteId-{GetRandom()}"; try { // Create an event route for the digital twins client. DigitalTwinsEventRoute eventRoute = await CreateEventRoute(client, eventRouteId).ConfigureAwait(false); // Create the models needed for the digital twin. await CreateModelsAndTwins(client, wifiModelId, roomWithWifiModelId, wifiComponentName, roomWithWifiTwinId).ConfigureAwait(false); // Act - Test publishing telemetry to a digital twin. var telemetryOptions = new PublishTelemetryOptions() { TimeStamp = default }; Response publishTelemetryResponse = await client.PublishTelemetryAsync(roomWithWifiTwinId, Recording.Random.NewGuid().ToString(), "{\"Telemetry1\": 5}", telemetryOptions).ConfigureAwait(false); // Assert publishTelemetryResponse.Status.Should().Be((int)HttpStatusCode.NoContent); // Act - Test publishing telemetry to a component in a digital twin. var componentTelemetryOptions = new PublishComponentTelemetryOptions() { TimeStamp = default }; var telemetryPayload = new Dictionary <string, int> { { "ComponentTelemetry1", 9 } }; Response publishComponentTelemetryResponse = await client .PublishComponentTelemetryAsync(roomWithWifiTwinId, wifiComponentName, Recording.Random.NewGuid().ToString(), JsonSerializer.Serialize(telemetryPayload), componentTelemetryOptions) .ConfigureAwait(false); // Assert publishComponentTelemetryResponse.Status.Should().Be((int)HttpStatusCode.NoContent); } catch (Exception ex) { Assert.Fail($"Failure in executing a step in the test case: {ex.Message}."); } finally { // clean up try { if (!string.IsNullOrWhiteSpace(eventRouteId)) { await client.DeleteEventRouteAsync(eventRouteId).ConfigureAwait(false); } if (!string.IsNullOrWhiteSpace(roomWithWifiTwinId)) { await client.DeleteDigitalTwinAsync(roomWithWifiTwinId).ConfigureAwait(false); } if (!string.IsNullOrWhiteSpace(roomWithWifiModelId)) { await client.DeleteModelAsync(roomWithWifiModelId).ConfigureAwait(false); } if (!string.IsNullOrWhiteSpace(wifiModelId)) { await client.DeleteModelAsync(wifiModelId).ConfigureAwait(false); } } catch (Exception ex) { Assert.Fail($"Test clean up failed: {ex.Message}"); } } }
/// <summary> /// Create a temporary component model, twin model and digital twin instance. /// Publish a telemetry message and a component telemetry message to the digital twin instance. /// </summary> public async Task RunSamplesAsync(DigitalTwinsClient client) { PrintHeader("PUBLISH TELEMETRY MESSAGE SAMPLE"); // For the purpose of this example we will create temporary models using a random model Ids. // We will also create temporary twin instances to publish the telemetry to. string componentModelId = await GetUniqueModelIdAsync(SamplesConstants.TemporaryComponentModelPrefix, client); string modelId = await GetUniqueModelIdAsync(SamplesConstants.TemporaryModelPrefix, client); string twinId = await GetUniqueTwinIdAsync(SamplesConstants.TemporaryTwinPrefix, client); string newComponentModelPayload = SamplesConstants.TemporaryComponentModelPayload .Replace(SamplesConstants.ComponentId, componentModelId); string newModelPayload = SamplesConstants.TemporaryModelWithComponentPayload .Replace(SamplesConstants.ModelId, modelId) .Replace(SamplesConstants.ComponentId, componentModelId); // Then we create the models. await client .CreateModelsAsync(new[] { newComponentModelPayload, newModelPayload }); // Get the models we just created AsyncPageable <DigitalTwinsModelData> models = client.GetModelsAsync(); await foreach (DigitalTwinsModelData model in models) { Console.WriteLine($"Successfully created model '{model.Id}'"); } // Create digital twin with Component payload. string twinPayload = SamplesConstants.TemporaryTwinPayload .Replace(SamplesConstants.ModelId, modelId); BasicDigitalTwin basicDigitalTwin = JsonSerializer.Deserialize <BasicDigitalTwin>(twinPayload); Response <BasicDigitalTwin> createDigitalTwinResponse = await client.CreateOrReplaceDigitalTwinAsync <BasicDigitalTwin>(twinId, basicDigitalTwin); Console.WriteLine($"Created digital twin '{createDigitalTwinResponse.Value.Id}'."); try { #region Snippet:DigitalTwinsSamplePublishTelemetry // construct your json telemetry payload by hand. await client.PublishTelemetryAsync(twinId, Guid.NewGuid().ToString(), "{\"Telemetry1\": 5}"); Console.WriteLine($"Published telemetry message to twin '{twinId}'."); #endregion Snippet:DigitalTwinsSamplePublishTelemetry #region Snippet:DigitalTwinsSamplePublishComponentTelemetry // construct your json telemetry payload by serializing a dictionary. var telemetryPayload = new Dictionary <string, int> { { "ComponentTelemetry1", 9 } }; await client.PublishComponentTelemetryAsync( twinId, "Component1", Guid.NewGuid().ToString(), JsonSerializer.Serialize(telemetryPayload)); Console.WriteLine($"Published component telemetry message to twin '{twinId}'."); #endregion Snippet:DigitalTwinsSamplePublishComponentTelemetry } catch (Exception ex) { FatalError($"Failed to publish a telemetry message due to: {ex.Message}"); } try { // Delete the twin. await client.DeleteDigitalTwinAsync(twinId); // Delete the models. await client.DeleteModelAsync(modelId); await client.DeleteModelAsync(componentModelId); } catch (RequestFailedException ex) when(ex.Status == (int)HttpStatusCode.NotFound) { // Digital twin or models do not exist. } catch (RequestFailedException ex) { FatalError($"Failed to delete due to: {ex.Message}"); } }
/// <summary> /// Create a temporary component model, twin model and digital twin instance. /// Publish a telemetry message and a component telemetry message to the digital twin instance. /// </summary> public async Task RunSamplesAsync(DigitalTwinsClient client) { PrintHeader("PUBLISH TELEMETRY MESSAGE SAMPLE"); // For the purpose of this example we will create temporary models using a random model Ids. // We will also create temporary twin instances to publish the telemetry to. string componentModelId = await GetUniqueModelIdAsync(SamplesConstants.TemporaryComponentModelPrefix, client); string modelId = await GetUniqueModelIdAsync(SamplesConstants.TemporaryModelPrefix, client); string twinId = await GetUniqueTwinIdAsync(SamplesConstants.TemporaryTwinPrefix, client); string newComponentModelPayload = SamplesConstants.TemporaryComponentModelPayload .Replace(SamplesConstants.ComponentId, componentModelId); string newModelPayload = SamplesConstants.TemporaryModelWithComponentPayload .Replace(SamplesConstants.ModelId, modelId) .Replace(SamplesConstants.ComponentId, componentModelId); // Then we create the models. await client .CreateModelsAsync(new[] { newComponentModelPayload, newModelPayload }); Console.WriteLine($"Successfully created models with Ids: {componentModelId}, {modelId}"); // Create digital twin with Component payload. string twinPayload = SamplesConstants.TemporaryTwinPayload .Replace(SamplesConstants.ModelId, modelId); await client.CreateDigitalTwinAsync(twinId, twinPayload); Console.WriteLine($"Created digital twin {twinId}."); try { #region Snippet:DigitalTwinsSamplePublishTelemetry // construct your json telemetry payload by hand. Response publishTelemetryResponse = await client.PublishTelemetryAsync(twinId, "{\"Telemetry1\": 5}"); Console.WriteLine($"Published telemetry message to twin with Id {twinId}. Response status: {publishTelemetryResponse.Status}"); #endregion Snippet:DigitalTwinsSamplePublishTelemetry #region Snippet:DigitalTwinsSamplePublishComponentTelemetry // construct your json telemetry payload by serializing a dictionary. var telemetryPayload = new Dictionary <string, int> { { "ComponentTelemetry1", 9 } }; Response publishTelemetryToComponentResponse = await client.PublishComponentTelemetryAsync( twinId, "Component1", JsonSerializer.Serialize(telemetryPayload)); Console.WriteLine($"Published component telemetry message to twin with Id {twinId}. Response status: {publishTelemetryToComponentResponse.Status}"); #endregion Snippet:DigitalTwinsSamplePublishComponentTelemetry } catch (Exception ex) { FatalError($"Failed to publish a telemetry message due to {ex.Message}"); } try { // Delete the twin. await client.DeleteDigitalTwinAsync(twinId); // Delete the models. await client.DeleteModelAsync(modelId); await client.DeleteModelAsync(componentModelId); } catch (RequestFailedException ex) when(ex.Status == (int)HttpStatusCode.NotFound) { // Digital twin or models do not exist. } catch (RequestFailedException ex) { FatalError($"Failed to delete due to {ex.Message}"); } }