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 metadataStore = new Mock <IMetadataStore>();
metadataStore.Setup(m => m.GetMetadata(It.IsAny <string>())).ReturnsAsync(new ConnectionMetadata("dummyValue"));
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),
false,
Option.None <IWebProxy>(),
metadataStore.Object);
var deviceConnectivityManager = Mock.Of <IDeviceConnectivityManager>();
var connectionManager = new ConnectionManager(cloudConnectionProvider, Mock.Of <ICredentialsCache>(), identityProvider, deviceConnectivityManager);
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 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,
versionInfo,
new NullDeviceScopeIdentitiesCache());
await Task.Delay(TimeSpan.FromMinutes(1));
TwinConfigSource configSource = new TwinConfigSource(edgeHubConnection, edgeHubCredentials.Identity.Id, versionInfo, twinManager, twinMessageConverter, twinCollectionMessageConverter, routeFactory);
// Get and Validate EdgeHubConfig
Option <EdgeHubConfig> edgeHubConfigOption = await configSource.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.Endpoint.GetType() == typeof(CloudEndpoint));
Assert.Equal("route1", route1.Name);
Assert.Equal("from /* INTO $upstream", route1.Value);
RouteConfig route2 = routes["route2"];
Endpoint endpoint = route2.Route.Endpoint;
Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
Assert.Equal($"{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.Endpoint;
Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
Assert.Equal($"{edgeDeviceId}/module3/input1", endpoint.Id);
Assert.Equal("route3", route3.Name);
Assert.Equal("from /modules/module2 INTO BrokeredEndpoint(\"/modules/module3/inputs/input1\")", route3.Value);
RouteConfig route4 = routes["route4"];
endpoint = route4.Route.Endpoint;
Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
Assert.Equal($"{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.Endpoint.GetType() == typeof(CloudEndpoint));
Assert.Equal("route1", route1.Name);
Assert.Equal("from /* INTO $upstream", route1.Value);
route2 = routes["route2"];
endpoint = route2.Route.Endpoint;
Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
Assert.Equal($"{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.Endpoint;
Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
Assert.Equal($"{edgeDeviceId}/module5/input1", endpoint.Id);
Assert.Equal("route4", route3.Name);
Assert.Equal("from /modules/module3 INTO BrokeredEndpoint(\"/modules/module5/inputs/input1\")", route3.Value);
route4 = routes["route5"];
endpoint = route4.Route.Endpoint;
Assert.True(endpoint.GetType() == typeof(ModuleEndpoint));
Assert.Equal($"{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);
}
configSource.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,
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
}
}
}
