Exemplo n.º 1
0
        protected override void Load(ContainerBuilder builder)
        {
            // IMessageConverter<IRoutingMessage>
            builder.Register(c => new RoutingMessageConverter())
            .As <Core.IMessageConverter <IRoutingMessage> >()
            .SingleInstance();

            // IRoutingPerfCounter
            builder.Register(
                c =>
            {
                Routing.PerfCounter = NullRoutingPerfCounter.Instance;
                return(Routing.PerfCounter);
            })
            .As <IRoutingPerfCounter>()
            .AutoActivate()
            .SingleInstance();

            // IRoutingUserAnalyticsLogger
            builder.Register(
                c =>
            {
                Routing.UserAnalyticsLogger = NullUserAnalyticsLogger.Instance;
                return(Routing.UserAnalyticsLogger);
            })
            .As <IRoutingUserAnalyticsLogger>()
            .AutoActivate()
            .SingleInstance();

            // IRoutingUserMetricLogger
            builder.Register(
                c =>
            {
                Routing.UserMetricLogger = NullRoutingUserMetricLogger.Instance;
                return(Routing.UserMetricLogger);
            })
            .As <IRoutingUserMetricLogger>()
            .AutoActivate()
            .SingleInstance();

            // IMessageConverter<Message>
            builder.Register(c => new DeviceClientMessageConverter())
            .As <Core.IMessageConverter <Message> >()
            .SingleInstance();

            // IMessageConverter<Twin>
            builder.Register(c => new TwinMessageConverter())
            .As <Core.IMessageConverter <Twin> >()
            .SingleInstance();

            // IMessageConverter<TwinCollection>
            builder.Register(c => new TwinCollectionMessageConverter())
            .As <Core.IMessageConverter <TwinCollection> >()
            .SingleInstance();

            // IMessageConverterProvider
            builder.Register(
                c => new MessageConverterProvider(
                    new Dictionary <Type, IMessageConverter>()
            {
                { typeof(Message), c.Resolve <Core.IMessageConverter <Message> >() },
                { typeof(Twin), c.Resolve <Core.IMessageConverter <Twin> >() },
                { typeof(TwinCollection), c.Resolve <Core.IMessageConverter <TwinCollection> >() }
            }))
            .As <IMessageConverterProvider>()
            .SingleInstance();

            // IDeviceConnectivityManager
            builder.Register(
                c =>
            {
                var edgeHubCredentials = c.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
                IDeviceConnectivityManager deviceConnectivityManager = new DeviceConnectivityManager(this.connectivityCheckFrequency, TimeSpan.FromMinutes(2), edgeHubCredentials.Identity);
                return(deviceConnectivityManager);
            })
            .As <IDeviceConnectivityManager>()
            .SingleInstance();

            // IDeviceClientProvider
            builder.Register(
                c =>
            {
                IClientProvider underlyingClientProvider        = new ClientProvider();
                IClientProvider connectivityAwareClientProvider = new ConnectivityAwareClientProvider(underlyingClientProvider, c.Resolve <IDeviceConnectivityManager>());
                return(connectivityAwareClientProvider);
            })
            .As <IClientProvider>()
            .SingleInstance();

            // Task<ICloudConnectionProvider>
            builder.Register(
                async c =>
            {
                var productInfoStore               = c.Resolve <IProductInfoStore>();
                var messageConverterProvider       = c.Resolve <IMessageConverterProvider>();
                var clientProvider                 = c.Resolve <IClientProvider>();
                var tokenProvider                  = c.ResolveNamed <ITokenProvider>("EdgeHubClientAuthTokenProvider");
                var credentialsCacheTask           = c.Resolve <Task <ICredentialsCache> >();
                var edgeHubCredentials             = c.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
                var deviceScopeIdentitiesCacheTask = c.Resolve <Task <IDeviceScopeIdentitiesCache> >();
                var proxy = c.Resolve <Option <IWebProxy> >();
                IDeviceScopeIdentitiesCache deviceScopeIdentitiesCache = await deviceScopeIdentitiesCacheTask;
                ICredentialsCache credentialsCache = await credentialsCacheTask;
                ICloudConnectionProvider cloudConnectionProvider = new CloudConnectionProvider(
                    messageConverterProvider,
                    this.connectionPoolSize,
                    clientProvider,
                    this.upstreamProtocol,
                    tokenProvider,
                    deviceScopeIdentitiesCache,
                    credentialsCache,
                    edgeHubCredentials.Identity,
                    this.cloudConnectionIdleTimeout,
                    this.closeCloudConnectionOnIdleTimeout,
                    this.operationTimeout,
                    proxy,
                    productInfoStore);
                return(cloudConnectionProvider);
            })
            .As <Task <ICloudConnectionProvider> >()
            .SingleInstance();

            // IIdentityProvider
            builder.Register(_ => new IdentityProvider(this.iotHubName))
            .As <IIdentityProvider>()
            .SingleInstance();

            // Task<IConnectionManager>
            builder.Register(
                async c =>
            {
                var cloudConnectionProviderTask = c.Resolve <Task <ICloudConnectionProvider> >();
                var credentialsCacheTask        = c.Resolve <Task <ICredentialsCache> >();
                var identityProvider            = c.Resolve <IIdentityProvider>();
                ICloudConnectionProvider cloudConnectionProvider = await cloudConnectionProviderTask;
                ICredentialsCache credentialsCache   = await credentialsCacheTask;
                IConnectionManager connectionManager = new ConnectionManager(
                    cloudConnectionProvider,
                    credentialsCache,
                    identityProvider,
                    this.maxConnectedClients);
                return(connectionManager);
            })
            .As <Task <IConnectionManager> >()
            .SingleInstance();

            // Task<IEndpointFactory>
            builder.Register(
                async c =>
            {
                var messageConverter = c.Resolve <Core.IMessageConverter <IRoutingMessage> >();
                IConnectionManager connectionManager = await c.Resolve <Task <IConnectionManager> >();
                return(new EndpointFactory(connectionManager, messageConverter, this.edgeDeviceId, this.maxUpstreamBatchSize, this.upstreamFanOutFactor) as IEndpointFactory);
            })
            .As <Task <IEndpointFactory> >()
            .SingleInstance();

            // Task<RouteFactory>
            builder.Register(async c => new EdgeRouteFactory(await c.Resolve <Task <IEndpointFactory> >()) as RouteFactory)
            .As <Task <RouteFactory> >()
            .SingleInstance();

            // RouterConfig
            builder.Register(c => new RouterConfig(Enumerable.Empty <Route>()))
            .As <RouterConfig>()
            .SingleInstance();

            if (!this.isStoreAndForwardEnabled)
            {
                // EndpointExecutorConfig
                builder.Register(
                    c =>
                {
                    RetryStrategy defaultRetryStrategy = new FixedInterval(0, TimeSpan.FromSeconds(1));
                    TimeSpan defaultRevivePeriod       = TimeSpan.FromHours(1);
                    TimeSpan defaultTimeout            = TimeSpan.FromSeconds(60);
                    return(new EndpointExecutorConfig(defaultTimeout, defaultRetryStrategy, defaultRevivePeriod, true));
                })
                .As <EndpointExecutorConfig>()
                .SingleInstance();

                // IEndpointExecutorFactory
                builder.Register(c => new SyncEndpointExecutorFactory(c.Resolve <EndpointExecutorConfig>()))
                .As <IEndpointExecutorFactory>()
                .SingleInstance();

                // Task<Router>
                builder.Register(
                    async c =>
                {
                    var endpointExecutorFactory = c.Resolve <IEndpointExecutorFactory>();
                    var routerConfig            = c.Resolve <RouterConfig>();
                    Router router = await Router.CreateAsync(Guid.NewGuid().ToString(), this.iotHubName, routerConfig, endpointExecutorFactory);
                    return(router);
                })
                .As <Task <Router> >()
                .SingleInstance();

                // Task<ITwinManager>
                builder.Register(
                    async c =>
                {
                    if (this.useV1TwinManager)
                    {
                        var messageConverterProvider         = c.Resolve <IMessageConverterProvider>();
                        IConnectionManager connectionManager = await c.Resolve <Task <IConnectionManager> >();
                        ITwinManager twinManager             = new PassThroughTwinManager(connectionManager, messageConverterProvider);
                        return(twinManager);
                    }
                    else
                    {
                        var messageConverterProvider         = c.Resolve <IMessageConverterProvider>();
                        IConnectionManager connectionManager = await c.Resolve <Task <IConnectionManager> >();
                        return(TwinManager.CreateTwinManager(connectionManager, messageConverterProvider, Option.None <IStoreProvider>()));
                    }
                })
                .As <Task <ITwinManager> >()
                .SingleInstance();
            }
            else
            {
                // EndpointExecutorConfig
                builder.Register(
                    c =>
                {
                    // Endpoint executor config values -
                    // ExponentialBackoff - minBackoff = 1s, maxBackoff = 60s, delta (used to add randomness to backoff) - 1s (default)
                    // Num of retries = int.MaxValue(we want to keep retrying till the message is sent)
                    // Revive period - period for which the endpoint should be considered dead if it doesn't respond - 1 min (we want to try continuously till the message expires)
                    // Timeout - time for which we want for the ack from the endpoint = 30s
                    // TODO - Should the number of retries be tied to the Store and Forward ttl? Not
                    // doing that right now as that value can be changed at runtime, but these settings
                    // cannot. Need to make the number of retries dynamically configurable for that.
                    TimeSpan minWait            = TimeSpan.FromSeconds(1);
                    TimeSpan maxWait            = TimeSpan.FromSeconds(60);
                    TimeSpan delta              = TimeSpan.FromSeconds(1);
                    int retries                 = int.MaxValue;
                    RetryStrategy retryStrategy = new ExponentialBackoff(retries, minWait, maxWait, delta);
                    TimeSpan timeout            = TimeSpan.FromSeconds(30);
                    TimeSpan revivePeriod       = TimeSpan.FromSeconds(30);
                    return(new EndpointExecutorConfig(timeout, retryStrategy, revivePeriod));
                })
                .As <EndpointExecutorConfig>()
                .SingleInstance();

                // ICheckpointStore
                builder.Register(
                    c =>
                {
                    var dbStoreProvider          = c.Resolve <IDbStoreProvider>();
                    IStoreProvider storeProvider = new StoreProvider(dbStoreProvider);
                    return(CheckpointStore.Create(storeProvider));
                })
                .As <ICheckpointStore>()
                .SingleInstance();

                // IMessageStore
                builder.Register(
                    c =>
                {
                    var checkpointStore          = c.Resolve <ICheckpointStore>();
                    var dbStoreProvider          = c.Resolve <IDbStoreProvider>();
                    IStoreProvider storeProvider = new StoreProvider(dbStoreProvider);
                    IMessageStore messageStore   = new MessageStore(storeProvider, checkpointStore, TimeSpan.MaxValue);
                    return(messageStore);
                })
                .As <IMessageStore>()
                .SingleInstance();

                // IEndpointExecutorFactory
                builder.Register(
                    c =>
                {
                    var endpointExecutorConfig = c.Resolve <EndpointExecutorConfig>();
                    var messageStore           = c.Resolve <IMessageStore>();
                    IEndpointExecutorFactory endpointExecutorFactory = new StoringAsyncEndpointExecutorFactory(endpointExecutorConfig, new AsyncEndpointExecutorOptions(10, TimeSpan.FromSeconds(10)), messageStore);
                    return(endpointExecutorFactory);
                })
                .As <IEndpointExecutorFactory>()
                .SingleInstance();

                // Task<Router>
                builder.Register(
                    async c =>
                {
                    var checkpointStore         = c.Resolve <ICheckpointStore>();
                    var routerConfig            = c.Resolve <RouterConfig>();
                    var endpointExecutorFactory = c.Resolve <IEndpointExecutorFactory>();
                    return(await Router.CreateAsync(Guid.NewGuid().ToString(), this.iotHubName, routerConfig, endpointExecutorFactory, checkpointStore));
                })
                .As <Task <Router> >()
                .SingleInstance();

                // Task<ITwinManager>
                builder.Register(
                    async c =>
                {
                    if (this.useV1TwinManager)
                    {
                        var dbStoreProvider                  = c.Resolve <IDbStoreProvider>();
                        var messageConverterProvider         = c.Resolve <IMessageConverterProvider>();
                        IConnectionManager connectionManager = await c.Resolve <Task <IConnectionManager> >();
                        return(TwinManager.CreateTwinManager(connectionManager, messageConverterProvider, Option.Some <IStoreProvider>(new StoreProvider(dbStoreProvider))));
                    }
                    else
                    {
                        var messageConverterProvider  = c.Resolve <IMessageConverterProvider>();
                        var deviceConnectivityManager = c.Resolve <IDeviceConnectivityManager>();
                        var connectionManagerTask     = c.Resolve <Task <IConnectionManager> >();
                        IEntityStore <string, TwinStoreEntity> entityStore = await this.GetTwinStore(c);
                        IConnectionManager connectionManager = await connectionManagerTask;
                        ITwinManager twinManager             = StoringTwinManager.Create(
                            connectionManager,
                            messageConverterProvider,
                            entityStore,
                            deviceConnectivityManager,
                            new ReportedPropertiesValidator(),
                            this.minTwinSyncPeriod,
                            this.reportedPropertiesSyncFrequency);
                        return(twinManager);
                    }
                })
                .As <Task <ITwinManager> >()
                .SingleInstance();
            }

            // IClientCredentials "EdgeHubCredentials"
            builder.Register(
                c =>
            {
                var identityFactory = c.Resolve <IClientCredentialsFactory>();
                IClientCredentials edgeHubCredentials = this.connectionString.Map(cs => identityFactory.GetWithConnectionString(cs)).GetOrElse(
                    () => identityFactory.GetWithIotEdged(this.edgeDeviceId, this.edgeModuleId));
                return(edgeHubCredentials);
            })
            .Named <IClientCredentials>("EdgeHubCredentials")
            .SingleInstance();

            // Task<IInvokeMethodHandler>
            builder.Register(
                async c =>
            {
                IConnectionManager connectionManager = await c.Resolve <Task <IConnectionManager> >();
                return(new InvokeMethodHandler(connectionManager) as IInvokeMethodHandler);
            })
            .As <Task <IInvokeMethodHandler> >()
            .SingleInstance();

            // Task<ISubscriptionProcessor>
            builder.Register(
                async c =>
            {
                var connectionManagerTask = c.Resolve <Task <IConnectionManager> >();
                if (this.disableCloudSubscriptions)
                {
                    return(new LocalSubscriptionProcessor(await connectionManagerTask) as ISubscriptionProcessor);
                }
                else
                {
                    var invokeMethodHandlerTask              = c.Resolve <Task <IInvokeMethodHandler> >();
                    var deviceConnectivityManager            = c.Resolve <IDeviceConnectivityManager>();
                    IConnectionManager connectionManager     = await connectionManagerTask;
                    IInvokeMethodHandler invokeMethodHandler = await invokeMethodHandlerTask;
                    return(new SubscriptionProcessor(connectionManager, invokeMethodHandler, deviceConnectivityManager) as ISubscriptionProcessor);
                }
            })
            .As <Task <ISubscriptionProcessor> >()
            .SingleInstance();

            // Task<IEdgeHub>
            builder.Register(
                async c =>
            {
                var routingMessageConverter = c.Resolve <Core.IMessageConverter <IRoutingMessage> >();
                var routerTask                = c.Resolve <Task <Router> >();
                var twinManagerTask           = c.Resolve <Task <ITwinManager> >();
                var invokeMethodHandlerTask   = c.Resolve <Task <IInvokeMethodHandler> >();
                var connectionManagerTask     = c.Resolve <Task <IConnectionManager> >();
                var subscriptionProcessorTask = c.Resolve <Task <ISubscriptionProcessor> >();
                Router router                                = await routerTask;
                ITwinManager twinManager                     = await twinManagerTask;
                IConnectionManager connectionManager         = await connectionManagerTask;
                IInvokeMethodHandler invokeMethodHandler     = await invokeMethodHandlerTask;
                ISubscriptionProcessor subscriptionProcessor = await subscriptionProcessorTask;
                IEdgeHub hub = new RoutingEdgeHub(
                    router,
                    routingMessageConverter,
                    connectionManager,
                    twinManager,
                    this.edgeDeviceId,
                    invokeMethodHandler,
                    subscriptionProcessor);
                return(hub);
            })
            .As <Task <IEdgeHub> >()
            .SingleInstance();

            // Task<ConfigUpdater>
            builder.Register(
                async c =>
            {
                IMessageStore messageStore = this.isStoreAndForwardEnabled ? c.Resolve <IMessageStore>() : null;
                Router router     = await c.Resolve <Task <Router> >();
                var configUpdater = new ConfigUpdater(router, messageStore, this.configUpdateFrequency);
                return(configUpdater);
            })
            .As <Task <ConfigUpdater> >()
            .SingleInstance();

            // Task<IConfigSource>
            builder.Register(
                async c =>
            {
                RouteFactory routeFactory = await c.Resolve <Task <RouteFactory> >();
                if (this.useTwinConfig)
                {
                    var edgeHubCredentials             = c.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
                    var twinCollectionMessageConverter = c.Resolve <Core.IMessageConverter <TwinCollection> >();
                    var twinMessageConverter           = c.Resolve <Core.IMessageConverter <Twin> >();
                    var twinManagerTask                  = c.Resolve <Task <ITwinManager> >();
                    var edgeHubTask                      = c.Resolve <Task <IEdgeHub> >();
                    ITwinManager twinManager             = await twinManagerTask;
                    IEdgeHub edgeHub                     = await edgeHubTask;
                    IConnectionManager connectionManager = await c.Resolve <Task <IConnectionManager> >();
                    IDeviceScopeIdentitiesCache deviceScopeIdentitiesCache = await c.Resolve <Task <IDeviceScopeIdentitiesCache> >();
                    IConfigSource edgeHubConnection = await EdgeHubConnection.Create(
                        edgeHubCredentials.Identity,
                        edgeHub,
                        twinManager,
                        connectionManager,
                        routeFactory,
                        twinCollectionMessageConverter,
                        twinMessageConverter,
                        this.versionInfo,
                        deviceScopeIdentitiesCache);
                    return(edgeHubConnection);
                }
                else
                {
                    return(new LocalConfigSource(routeFactory, this.routes, this.storeAndForwardConfiguration));
                }
            })
            .As <Task <IConfigSource> >()
            .SingleInstance();

            // Task<IConnectionProvider>
            builder.Register(
                async c =>
            {
                var connectionManagerTask              = c.Resolve <Task <IConnectionManager> >();
                var edgeHubTask                        = c.Resolve <Task <IEdgeHub> >();
                IConnectionManager connectionManager   = await connectionManagerTask;
                IEdgeHub edgeHub                       = await edgeHubTask;
                IConnectionProvider connectionProvider = new ConnectionProvider(connectionManager, edgeHub);
                return(connectionProvider);
            })
            .As <Task <IConnectionProvider> >()
            .SingleInstance();

            base.Load(builder);
        }
Exemplo n.º 2
0
        protected override void Load(ContainerBuilder builder)
        {
            // IMessageConverter<IRoutingMessage>
            builder.Register(c => new RoutingMessageConverter())
            .As <Core.IMessageConverter <IRoutingMessage> >()
            .SingleInstance();

            // IRoutingPerfCounter
            builder.Register(
                c =>
            {
                Routing.PerfCounter = NullRoutingPerfCounter.Instance;
                return(Routing.PerfCounter);
            })
            .As <IRoutingPerfCounter>()
            .AutoActivate()
            .SingleInstance();

            // IRoutingUserAnalyticsLogger
            builder.Register(
                c =>
            {
                Routing.UserAnalyticsLogger = NullUserAnalyticsLogger.Instance;
                return(Routing.UserAnalyticsLogger);
            })
            .As <IRoutingUserAnalyticsLogger>()
            .AutoActivate()
            .SingleInstance();

            // IRoutingUserMetricLogger
            builder.Register(
                c =>
            {
                Routing.UserMetricLogger = NullRoutingUserMetricLogger.Instance;
                return(Routing.UserMetricLogger);
            })
            .As <IRoutingUserMetricLogger>()
            .AutoActivate()
            .SingleInstance();

            // IMessageConverter<Message>
            builder.Register(c => new DeviceClientMessageConverter())
            .As <Core.IMessageConverter <Message> >()
            .SingleInstance();

            // IMessageConverter<Twin>
            builder.Register(c => new TwinMessageConverter())
            .As <Core.IMessageConverter <Twin> >()
            .SingleInstance();

            // IMessageConverter<TwinCollection>
            builder.Register(c => new TwinCollectionMessageConverter())
            .As <Core.IMessageConverter <TwinCollection> >()
            .SingleInstance();

            // IMessageConverterProvider
            builder.Register(
                c => new MessageConverterProvider(new Dictionary <Type, IMessageConverter>()
            {
                { typeof(Message), c.Resolve <Core.IMessageConverter <Message> >() },
                { typeof(Twin), c.Resolve <Core.IMessageConverter <Twin> >() },
                { typeof(TwinCollection), c.Resolve <Core.IMessageConverter <TwinCollection> >() }
            }))
            .As <Core.IMessageConverterProvider>()
            .SingleInstance();

            // IDeviceConnectivityManager
            builder.Register(
                c =>
            {
                IDeviceConnectivityManager deviceConnectivityManager = new DeviceConnectivityManager(this.connectivityCheckFrequency, TimeSpan.FromMinutes(2));
                return(deviceConnectivityManager);
            })
            .As <IDeviceConnectivityManager>()
            .SingleInstance();

            // IDeviceClientProvider
            builder.Register(c =>
            {
                IClientProvider underlyingClientProvider        = new ClientProvider();
                IClientProvider connectivityAwareClientProvider = new ConnectivityAwareClientProvider(underlyingClientProvider, c.Resolve <IDeviceConnectivityManager>());
                return(connectivityAwareClientProvider);
            })
            .As <IClientProvider>()
            .SingleInstance();

            // ICloudConnectionProvider
            builder.Register(c => new CloudConnectionProvider(c.Resolve <Core.IMessageConverterProvider>(), this.connectionPoolSize, c.Resolve <IClientProvider>(), this.upstreamProtocol))
            .As <ICloudConnectionProvider>()
            .SingleInstance();

            if (this.isStoreAndForwardEnabled || this.cacheTokens)
            {
                // Detect system environment
                builder.Register(c => new SystemEnvironment())
                .As <ISystemEnvironment>()
                .SingleInstance();

                // DataBase options
                builder.Register(c => new Storage.RocksDb.RocksDbOptionsProvider(c.Resolve <ISystemEnvironment>(), this.optimizeForPerformance))
                .As <Storage.RocksDb.IRocksDbOptionsProvider>()
                .SingleInstance();

                // IDbStore
                builder.Register(
                    c =>
                {
                    var loggerFactory = c.Resolve <ILoggerFactory>();
                    ILogger logger    = loggerFactory.CreateLogger(typeof(RoutingModule));

                    if (this.usePersistentStorage)
                    {
                        // Create partitions for messages and twins
                        var partitionsList = new List <string> {
                            Core.Constants.MessageStorePartitionKey, Core.Constants.TwinStorePartitionKey, Core.Constants.CheckpointStorePartitionKey
                        };
                        try
                        {
                            IDbStoreProvider dbStoreprovider = Storage.RocksDb.DbStoreProvider.Create(c.Resolve <Storage.RocksDb.IRocksDbOptionsProvider>(),
                                                                                                      this.storagePath, partitionsList);
                            logger.LogInformation($"Created persistent store at {this.storagePath}");
                            return(dbStoreprovider);
                        }
                        catch (Exception ex) when(!ExceptionEx.IsFatal(ex))
                        {
                            logger.LogError(ex, "Error creating RocksDB store. Falling back to in-memory store.");
                            return(new InMemoryDbStoreProvider());
                        }
                    }
                    else
                    {
                        logger.LogInformation($"Using in-memory store");
                        return(new InMemoryDbStoreProvider());
                    }
                })
                .As <IDbStoreProvider>()
                .SingleInstance();
            }

            // Task<ICredentialsStore>
            builder.Register(async c =>
            {
                if (this.cacheTokens)
                {
                    var dbStoreProvider = c.Resolve <IDbStoreProvider>();
                    IEncryptionProvider encryptionProvider = await this.workloadUri.Map(
                        async uri => await EncryptionProvider.CreateAsync(
                            this.storagePath,
                            new Uri(uri),
                            Service.Constants.WorkloadApiVersion,
                            this.edgeModuleId,
                            this.edgeModuleGenerationId.Expect(() => new InvalidOperationException("Missing generation ID")),
                            Service.Constants.InitializationVectorFileName) as IEncryptionProvider)
                                                             .GetOrElse(() => Task.FromResult <IEncryptionProvider>(NullEncryptionProvider.Instance));
                    IStoreProvider storeProvider = new StoreProvider(dbStoreProvider);
                    IEntityStore <string, string> tokenCredentialsEntityStore = storeProvider.GetEntityStore <string, string>("tokenCredentials");
                    return(new TokenCredentialsStore(tokenCredentialsEntityStore, encryptionProvider));
                }
                else
                {
                    return(new NullCredentialsStore() as ICredentialsStore);
                }
            })
            .As <Task <ICredentialsStore> >()
            .SingleInstance();

            // IConnectionManager
            builder.Register(c => new ConnectionManager(c.Resolve <ICloudConnectionProvider>(), this.maxConnectedClients))
            .As <IConnectionManager>()
            .SingleInstance();

            // IEndpointFactory
            builder.Register(c => new EndpointFactory(c.Resolve <IConnectionManager>(), c.Resolve <Core.IMessageConverter <IRoutingMessage> >(), this.edgeDeviceId))
            .As <IEndpointFactory>()
            .SingleInstance();

            // RouteFactory
            builder.Register(c => new EdgeRouteFactory(c.Resolve <IEndpointFactory>()))
            .As <RouteFactory>()
            .SingleInstance();

            // RouterConfig
            builder.Register(c => new RouterConfig(Enumerable.Empty <Route>()))
            .As <RouterConfig>()
            .SingleInstance();

            if (!this.isStoreAndForwardEnabled)
            {
                // EndpointExecutorConfig
                builder.Register(
                    c =>
                {
                    RetryStrategy defaultRetryStrategy = new FixedInterval(0, TimeSpan.FromSeconds(1));
                    TimeSpan defaultRevivePeriod       = TimeSpan.FromHours(1);
                    TimeSpan defaultTimeout            = TimeSpan.FromSeconds(60);
                    return(new EndpointExecutorConfig(defaultTimeout, defaultRetryStrategy, defaultRevivePeriod, true));
                })
                .As <EndpointExecutorConfig>()
                .SingleInstance();

                // IEndpointExecutorFactory
                builder.Register(c => new SyncEndpointExecutorFactory(c.Resolve <EndpointExecutorConfig>()))
                .As <IEndpointExecutorFactory>()
                .SingleInstance();

                // Task<Router>
                builder.Register(
                    async c =>
                {
                    var endpointExecutorFactory = c.Resolve <IEndpointExecutorFactory>();
                    var routerConfig            = c.Resolve <RouterConfig>();
                    Router router = await Router.CreateAsync(Guid.NewGuid().ToString(), this.iotHubName, routerConfig, endpointExecutorFactory);
                    return(router);
                })
                .As <Task <Router> >()
                .SingleInstance();

                // ITwinManager
                builder.Register(c => TwinManager.CreateTwinManager(c.Resolve <IConnectionManager>(), c.Resolve <IMessageConverterProvider>(), Option.None <IStoreProvider>()))
                .As <ITwinManager>()
                .SingleInstance();
            }
            else
            {
                // EndpointExecutorConfig
                builder.Register(
                    c =>
                {
                    // Endpoint executor config values -
                    // ExponentialBackoff - minBackoff = 1s, maxBackoff = 60s, delta (used to add randomness to backoff) - 1s (default)
                    // Num of retries = int.MaxValue(we want to keep retrying till the message is sent)
                    // Revive period - period for which the endpoint should be considered dead if it doesn't respond - 1 min (we want to try continuously till the message expires)
                    // Timeout - time for which we want for the ack from the endpoint = 30s
                    // TODO - Should the number of retries be tied to the Store and Forward ttl? Not
                    // doing that right now as that value can be changed at runtime, but these settings
                    // cannot. Need to make the number of retries dynamically configurable for that.

                    TimeSpan minWait            = TimeSpan.FromSeconds(1);
                    TimeSpan maxWait            = TimeSpan.FromSeconds(60);
                    TimeSpan delta              = TimeSpan.FromSeconds(1);
                    int retries                 = int.MaxValue;
                    RetryStrategy retryStrategy = new ExponentialBackoff(retries, minWait, maxWait, delta);
                    TimeSpan timeout            = TimeSpan.FromSeconds(30);
                    TimeSpan revivePeriod       = TimeSpan.FromSeconds(30);
                    return(new EndpointExecutorConfig(timeout, retryStrategy, revivePeriod));
                })
                .As <EndpointExecutorConfig>()
                .SingleInstance();

                // ICheckpointStore
                builder.Register(c => CheckpointStore.Create(c.Resolve <IDbStoreProvider>()))
                .As <ICheckpointStore>()
                .SingleInstance();

                // IMessageStore
                builder.Register(
                    c =>
                {
                    var checkpointStore          = c.Resolve <ICheckpointStore>();
                    var dbStoreProvider          = c.Resolve <IDbStoreProvider>();
                    IStoreProvider storeProvider = new StoreProvider(dbStoreProvider);
                    IMessageStore messageStore   = new MessageStore(storeProvider, checkpointStore, TimeSpan.MaxValue);
                    return(messageStore);
                })
                .As <IMessageStore>()
                .SingleInstance();

                // IEndpointExecutorFactory
                builder.Register(
                    c =>
                {
                    var endpointExecutorConfig = c.Resolve <EndpointExecutorConfig>();
                    var messageStore           = c.Resolve <IMessageStore>();
                    IEndpointExecutorFactory endpointExecutorFactory = new StoringAsyncEndpointExecutorFactory(endpointExecutorConfig, new AsyncEndpointExecutorOptions(10, TimeSpan.FromSeconds(10)), messageStore);
                    return(endpointExecutorFactory);
                })
                .As <IEndpointExecutorFactory>()
                .SingleInstance();

                // Task<Router>
                builder.Register(
                    async c =>
                {
                    var checkpointStore         = c.Resolve <ICheckpointStore>();
                    var routerConfig            = c.Resolve <RouterConfig>();
                    var endpointExecutorFactory = c.Resolve <IEndpointExecutorFactory>();
                    return(await Router.CreateAsync(Guid.NewGuid().ToString(), this.iotHubName, routerConfig, endpointExecutorFactory, checkpointStore));
                })
                .As <Task <Router> >()
                .SingleInstance();

                // ITwinManager
                builder.Register(c => TwinManager.CreateTwinManager(c.Resolve <IConnectionManager>(), c.Resolve <IMessageConverterProvider>(), Option.Some <IStoreProvider>(new StoreProvider(c.Resolve <IDbStoreProvider>()))))
                .As <ITwinManager>()
                .SingleInstance();
            }

            // IClientCredentials "EdgeHubCredentials"
            builder.Register(
                c =>
            {
                var identityFactory = c.Resolve <IClientCredentialsFactory>();
                IClientCredentials edgeHubCredentials = this.connectionString.Map(cs => identityFactory.GetWithConnectionString(cs)).GetOrElse(
                    () => identityFactory.GetWithIotEdged(this.edgeDeviceId, this.edgeModuleId));
                return(edgeHubCredentials);
            })
            .Named <IClientCredentials>("EdgeHubCredentials")
            .SingleInstance();

            // Task<ICloudProxy> "EdgeHubCloudProxy"
            builder.Register(
                async c =>
            {
                var edgeHubCredentials          = c.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
                var connectionManager           = c.Resolve <IConnectionManager>();
                Try <ICloudProxy> cloudProxyTry = await connectionManager.CreateCloudConnectionAsync(edgeHubCredentials);
                if (!cloudProxyTry.Success)
                {
                    throw new EdgeHubConnectionException("Edge hub is unable to connect to IoT Hub", cloudProxyTry.Exception);
                }

                ICloudProxy cloudProxy = cloudProxyTry.Value;
                return(cloudProxy);
            })
            .Named <Task <ICloudProxy> >("EdgeHubCloudProxy")
            .SingleInstance();

            // IInvokeMethodHandler
            builder.Register(c => new InvokeMethodHandler(c.Resolve <IConnectionManager>()))
            .As <IInvokeMethodHandler>()
            .SingleInstance();

            // Task<IEdgeHub>
            builder.Register(
                async c =>
            {
                Router router = await c.Resolve <Task <Router> >();
                IEdgeHub hub  = new RoutingEdgeHub(router, c.Resolve <Core.IMessageConverter <IRoutingMessage> >(), c.Resolve <IConnectionManager>(),
                                                   c.Resolve <ITwinManager>(), this.edgeDeviceId, c.Resolve <IInvokeMethodHandler>());
                return(hub);
            })
            .As <Task <IEdgeHub> >()
            .SingleInstance();

            // Task<ConfigUpdater>
            builder.Register(
                async c =>
            {
                IMessageStore messageStore = this.isStoreAndForwardEnabled ? c.Resolve <IMessageStore>() : null;
                Router router     = await c.Resolve <Task <Router> >();
                var configUpdater = new ConfigUpdater(router, messageStore);
                return(configUpdater);
            })
            .As <Task <ConfigUpdater> >()
            .SingleInstance();

            // Task<IConfigSource>
            builder.Register(
                async c =>
            {
                var routeFactory = c.Resolve <RouteFactory>();

                if (this.useTwinConfig)
                {
                    var connectionManager              = c.Resolve <IConnectionManager>();
                    var edgeHubCredentials             = c.ResolveNamed <IClientCredentials>("EdgeHubCredentials");
                    var twinCollectionMessageConverter = c.Resolve <Core.IMessageConverter <TwinCollection> >();
                    var twinMessageConverter           = c.Resolve <Core.IMessageConverter <Twin> >();
                    var twinManager                 = c.Resolve <ITwinManager>();
                    ICloudProxy cloudProxy          = await c.ResolveNamed <Task <ICloudProxy> >("EdgeHubCloudProxy");
                    IEdgeHub edgeHub                = await c.Resolve <Task <IEdgeHub> >();
                    IConfigSource edgeHubConnection = await EdgeHubConnection.Create(
                        edgeHubCredentials,
                        edgeHub,
                        twinManager,
                        connectionManager,
                        cloudProxy,
                        routeFactory,
                        twinCollectionMessageConverter,
                        twinMessageConverter,
                        this.versionInfo
                        );
                    return(edgeHubConnection);
                }
                else
                {
                    return(new LocalConfigSource(routeFactory, this.routes, this.storeAndForwardConfiguration));
                }
            })
            .As <Task <IConfigSource> >()
            .SingleInstance();

            // Task<IConnectionProvider>
            builder.Register(
                async c =>
            {
                IEdgeHub edgeHub = await c.Resolve <Task <IEdgeHub> >();
                IConnectionProvider connectionProvider = new ConnectionProvider(c.Resolve <IConnectionManager>(), edgeHub);
                return(connectionProvider);
            })
            .As <Task <IConnectionProvider> >()
            .SingleInstance();

            base.Load(builder);
        }
Exemplo n.º 3
0
        public async Task TestEdgeHubConnection()
        {
            const string EdgeDeviceId                   = "testHubEdgeDevice1";
            var          twinMessageConverter           = new TwinMessageConverter();
            var          twinCollectionMessageConverter = new TwinCollectionMessageConverter();
            var          messageConverterProvider       = new MessageConverterProvider(
                new Dictionary <Type, IMessageConverter>()
            {
                { typeof(Message), new DeviceClientMessageConverter() },
                { typeof(Twin), twinMessageConverter },
                { typeof(TwinCollection), twinCollectionMessageConverter }
            });

            string iotHubConnectionString = await SecretsHelper.GetSecretFromConfigKey("iotHubConnStrKey");

            IotHubConnectionStringBuilder iotHubConnectionStringBuilder = IotHubConnectionStringBuilder.Create(iotHubConnectionString);
            RegistryManager registryManager = RegistryManager.CreateFromConnectionString(iotHubConnectionString);
            await registryManager.OpenAsync();

            string iothubHostName   = iotHubConnectionStringBuilder.HostName;
            var    identityProvider = new IdentityProvider(iothubHostName);
            var    identityFactory  = new ClientCredentialsFactory(identityProvider);

            (string edgeDeviceId, string deviceConnStr) = await RegistryManagerHelper.CreateDevice(EdgeDeviceId, iotHubConnectionString, registryManager, true, false);

            string edgeHubConnectionString = $"{deviceConnStr};ModuleId={EdgeHubModuleId}";

            IClientCredentials edgeHubCredentials = identityFactory.GetWithConnectionString(edgeHubConnectionString);
            string             sasKey             = ConnectionStringHelper.GetSharedAccessKey(deviceConnStr);
            var signatureProvider       = new SharedAccessKeySignatureProvider(sasKey);
            var credentialsCache        = Mock.Of <ICredentialsCache>();
            var productInfoStore        = Mock.Of <IProductInfoStore>();
            var cloudConnectionProvider = new CloudConnectionProvider(
                messageConverterProvider,
                1,
                new ClientProvider(),
                Option.None <UpstreamProtocol>(),
                new ClientTokenProvider(signatureProvider, iothubHostName, edgeDeviceId, TimeSpan.FromMinutes(60)),
                Mock.Of <IDeviceScopeIdentitiesCache>(),
                credentialsCache,
                edgeHubCredentials.Identity,
                TimeSpan.FromMinutes(60),
                true,
                TimeSpan.FromSeconds(20),
                Option.None <IWebProxy>(),
                productInfoStore);
            var connectionManager = new ConnectionManager(cloudConnectionProvider, Mock.Of <ICredentialsCache>(), identityProvider);

            try
            {
                Mock.Get(credentialsCache)
                .Setup(c => c.Get(edgeHubCredentials.Identity))
                .ReturnsAsync(Option.Some(edgeHubCredentials));
                Assert.NotNull(edgeHubCredentials);
                Assert.NotNull(edgeHubCredentials.Identity);

                // Set Edge hub desired properties
                await this.SetDesiredProperties(registryManager, edgeDeviceId);

                var endpointFactory = new EndpointFactory(connectionManager, new RoutingMessageConverter(), edgeDeviceId, 10, 10);
                var routeFactory    = new EdgeRouteFactory(endpointFactory);

                var            dbStoreProvider            = new InMemoryDbStoreProvider();
                IStoreProvider storeProvider              = new StoreProvider(dbStoreProvider);
                IEntityStore <string, TwinInfo> twinStore = storeProvider.GetEntityStore <string, TwinInfo>("twins");
                var      twinManager             = new TwinManager(connectionManager, twinCollectionMessageConverter, twinMessageConverter, Option.Some(twinStore));
                var      routerConfig            = new RouterConfig(Enumerable.Empty <Route>());
                TimeSpan defaultTimeout          = TimeSpan.FromSeconds(60);
                var      endpointExecutorFactory = new SyncEndpointExecutorFactory(new EndpointExecutorConfig(defaultTimeout, new FixedInterval(0, TimeSpan.FromSeconds(1)), defaultTimeout, true));
                Router   router = await Router.CreateAsync(Guid.NewGuid().ToString(), iothubHostName, routerConfig, endpointExecutorFactory);

                IInvokeMethodHandler invokeMethodHandler = new InvokeMethodHandler(connectionManager);
                var      deviceConnectivityManager       = Mock.Of <IDeviceConnectivityManager>();
                var      subscriptionProcessor           = new SubscriptionProcessor(connectionManager, invokeMethodHandler, deviceConnectivityManager);
                IEdgeHub edgeHub = new RoutingEdgeHub(router, new RoutingMessageConverter(), connectionManager, twinManager, edgeDeviceId, invokeMethodHandler, subscriptionProcessor);
                cloudConnectionProvider.BindEdgeHub(edgeHub);

                var versionInfo = new VersionInfo("v1", "b1", "c1");

                // Create Edge Hub connection
                EdgeHubConnection edgeHubConnection = await EdgeHubConnection.Create(
                    edgeHubCredentials.Identity,
                    edgeHub,
                    twinManager,
                    connectionManager,
                    routeFactory,
                    twinCollectionMessageConverter,
                    twinMessageConverter,
                    versionInfo,
                    new NullDeviceScopeIdentitiesCache());

                await Task.Delay(TimeSpan.FromMinutes(1));

                // Get and Validate EdgeHubConfig
                Option <EdgeHubConfig> edgeHubConfigOption = await edgeHubConnection.GetConfig();

                Assert.True(edgeHubConfigOption.HasValue);
                EdgeHubConfig edgeHubConfig = edgeHubConfigOption.OrDefault();
                Assert.Equal("1.0", edgeHubConfig.SchemaVersion);
                Assert.NotNull(edgeHubConfig.Routes);
                Assert.NotNull(edgeHubConfig.StoreAndForwardConfiguration);
                Assert.Equal(20, edgeHubConfig.StoreAndForwardConfiguration.TimeToLiveSecs);

                IReadOnlyDictionary <string, RouteConfig> routes = edgeHubConfig.Routes;
                Assert.Equal(4, routes.Count);

                RouteConfig route1 = routes["route1"];
                Assert.True(route1.Route.Endpoints.First().GetType() == typeof(CloudEndpoint));
                Assert.Equal("route1", route1.Name);
                Assert.Equal("from /* INTO $upstream", route1.Value);

                RouteConfig route2   = routes["route2"];
                Endpoint    endpoint = route2.Route.Endpoints.First();
                Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
                Assert.Equal($"{edgeDeviceId}/module2/input1", endpoint.Id);
                Assert.Equal("route2", route2.Name);
                Assert.Equal("from /modules/module1 INTO BrokeredEndpoint(\"/modules/module2/inputs/input1\")", route2.Value);

                RouteConfig route3 = routes["route3"];
                endpoint = route3.Route.Endpoints.First();
                Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
                Assert.Equal($"{edgeDeviceId}/module3/input1", endpoint.Id);
                Assert.Equal("route3", route3.Name);
                Assert.Equal("from /modules/module2 INTO BrokeredEndpoint(\"/modules/module3/inputs/input1\")", route3.Value);

                RouteConfig route4 = routes["route4"];
                endpoint = route4.Route.Endpoints.First();
                Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
                Assert.Equal($"{edgeDeviceId}/module4/input1", endpoint.Id);
                Assert.Equal("route4", route4.Name);
                Assert.Equal("from /modules/module3 INTO BrokeredEndpoint(\"/modules/module4/inputs/input1\")", route4.Value);

                // Make sure reported properties were updated appropriately
                EdgeHubConnection.ReportedProperties reportedProperties = await this.GetReportedProperties(registryManager, edgeDeviceId);

                Assert.Equal(200, reportedProperties.LastDesiredStatus.Code);
                Assert.NotNull(reportedProperties.Clients);
                Assert.Equal(0, reportedProperties.Clients.Count);
                Assert.Equal("1.0", reportedProperties.SchemaVersion);
                Assert.Equal(versionInfo, reportedProperties.VersionInfo);

                // Simulate a module and a downstream device that connects to Edge Hub.
                string             moduleId = "module1";
                string             sasToken = TokenHelper.CreateSasToken($"{iothubHostName}/devices/{edgeDeviceId}/modules/{moduleId}");
                string             moduleConnectionstring  = $"HostName={iothubHostName};DeviceId={edgeDeviceId};ModuleId={moduleId};SharedAccessSignature={sasToken}";
                IClientCredentials moduleClientCredentials = identityFactory.GetWithConnectionString(moduleConnectionstring);
                var moduleProxy = Mock.Of <IDeviceProxy>(d => d.IsActive);

                string downstreamDeviceId = "device1";
                sasToken = TokenHelper.CreateSasToken($"{iothubHostName}/devices/{downstreamDeviceId}");
                string             downstreamDeviceConnectionstring = $"HostName={iothubHostName};DeviceId={downstreamDeviceId};SharedAccessSignature={sasToken}";
                IClientCredentials downstreamDeviceCredentials      = identityFactory.GetWithConnectionString(downstreamDeviceConnectionstring);
                var downstreamDeviceProxy = Mock.Of <IDeviceProxy>(d => d.IsActive);

                // Connect the module and downstream device and make sure the reported properties are updated as expected.
                await connectionManager.AddDeviceConnection(moduleClientCredentials.Identity, moduleProxy);

                await connectionManager.AddDeviceConnection(downstreamDeviceCredentials.Identity, downstreamDeviceProxy);

                string moduleIdKey = $"{edgeDeviceId}/{moduleId}";
                await Task.Delay(TimeSpan.FromSeconds(10));

                reportedProperties = await this.GetReportedProperties(registryManager, edgeDeviceId);

                Assert.Equal(2, reportedProperties.Clients.Count);
                Assert.Equal(ConnectionStatus.Connected, reportedProperties.Clients[moduleIdKey].Status);
                Assert.NotNull(reportedProperties.Clients[moduleIdKey].LastConnectedTimeUtc);
                Assert.Null(reportedProperties.Clients[moduleIdKey].LastDisconnectTimeUtc);
                Assert.Equal(ConnectionStatus.Connected, reportedProperties.Clients[downstreamDeviceId].Status);
                Assert.NotNull(reportedProperties.Clients[downstreamDeviceId].LastConnectedTimeUtc);
                Assert.Null(reportedProperties.Clients[downstreamDeviceId].LastDisconnectTimeUtc);
                Assert.Equal(200, reportedProperties.LastDesiredStatus.Code);
                Assert.Equal("1.0", reportedProperties.SchemaVersion);
                Assert.Equal(versionInfo, reportedProperties.VersionInfo);

                // Update desired propertied and make sure callback is called with valid values
                bool callbackCalled = false;

                Task ConfigUpdatedCallback(EdgeHubConfig updatedConfig)
                {
                    Assert.NotNull(updatedConfig);
                    Assert.NotNull(updatedConfig.StoreAndForwardConfiguration);
                    Assert.NotNull(updatedConfig.Routes);

                    routes = updatedConfig.Routes;
                    Assert.Equal(4, routes.Count);

                    route1 = routes["route1"];
                    Assert.True(route1.Route.Endpoints.First().GetType() == typeof(CloudEndpoint));
                    Assert.Equal("route1", route1.Name);
                    Assert.Equal("from /* INTO $upstream", route1.Value);

                    route2   = routes["route2"];
                    endpoint = route2.Route.Endpoints.First();
                    Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
                    Assert.Equal($"{edgeDeviceId}/module2/input1", endpoint.Id);
                    Assert.Equal("route2", route2.Name);
                    Assert.Equal("from /modules/module1 INTO BrokeredEndpoint(\"/modules/module2/inputs/input1\")", route2.Value);

                    route3   = routes["route4"];
                    endpoint = route3.Route.Endpoints.First();
                    Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
                    Assert.Equal($"{edgeDeviceId}/module5/input1", endpoint.Id);
                    Assert.Equal("route4", route3.Name);
                    Assert.Equal("from /modules/module3 INTO BrokeredEndpoint(\"/modules/module5/inputs/input1\")", route3.Value);

                    route4   = routes["route5"];
                    endpoint = route4.Route.Endpoints.First();
                    Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
                    Assert.Equal($"{edgeDeviceId}/module6/input1", endpoint.Id);
                    Assert.Equal("route5", route4.Name);
                    Assert.Equal("from /modules/module5 INTO BrokeredEndpoint(\"/modules/module6/inputs/input1\")", route4.Value);

                    callbackCalled = true;
                    return(Task.CompletedTask);
                }

                edgeHubConnection.SetConfigUpdatedCallback(ConfigUpdatedCallback);
                await this.UpdateDesiredProperties(registryManager, edgeDeviceId);

                await Task.Delay(TimeSpan.FromSeconds(5));

                Assert.True(callbackCalled);

                reportedProperties = await this.GetReportedProperties(registryManager, edgeDeviceId);

                Assert.Equal(200, reportedProperties.LastDesiredStatus.Code);
                Assert.NotNull(reportedProperties.Clients);
                Assert.Equal(2, reportedProperties.Clients.Count);
                Assert.Equal("1.0", reportedProperties.SchemaVersion);
                Assert.Equal(versionInfo, reportedProperties.VersionInfo);

                // Disconnect the downstream device and make sure the reported properties are updated as expected.
                await connectionManager.RemoveDeviceConnection(moduleIdKey);

                await connectionManager.RemoveDeviceConnection(downstreamDeviceId);

                await Task.Delay(TimeSpan.FromSeconds(10));

                reportedProperties = await this.GetReportedProperties(registryManager, edgeDeviceId);

                Assert.Equal(1, reportedProperties.Clients.Count);
                Assert.True(reportedProperties.Clients.ContainsKey(moduleIdKey));
                Assert.False(reportedProperties.Clients.ContainsKey(downstreamDeviceId));
                Assert.Equal(ConnectionStatus.Disconnected, reportedProperties.Clients[moduleIdKey].Status);
                Assert.NotNull(reportedProperties.Clients[moduleIdKey].LastConnectedTimeUtc);
                Assert.NotNull(reportedProperties.Clients[moduleIdKey].LastDisconnectTimeUtc);
                Assert.Equal(200, reportedProperties.LastDesiredStatus.Code);
                Assert.Equal("1.0", reportedProperties.SchemaVersion);
                Assert.Equal(versionInfo, reportedProperties.VersionInfo);

                // If the edge hub restarts, clear out the connected devices in the reported properties.
                await EdgeHubConnection.Create(
                    edgeHubCredentials.Identity,
                    edgeHub,
                    twinManager,
                    connectionManager,
                    routeFactory,
                    twinCollectionMessageConverter,
                    twinMessageConverter,
                    versionInfo,
                    new NullDeviceScopeIdentitiesCache());

                await Task.Delay(TimeSpan.FromMinutes(1));

                reportedProperties = await this.GetReportedProperties(registryManager, edgeDeviceId);

                Assert.Null(reportedProperties.Clients);
                Assert.Equal("1.0", reportedProperties.SchemaVersion);
                Assert.Equal(versionInfo, reportedProperties.VersionInfo);
            }
            finally
            {
                try
                {
                    await RegistryManagerHelper.RemoveDevice(edgeDeviceId, registryManager);
                }
                catch (Exception)
                {
                    // ignored
                }
            }
        }