public void Use2() { // This time with ServiceDiscoveryBehavior. var b = new EndpointDiscoveryBehavior(); IEndpointBehavior eb = b; var host = new ServiceHost(typeof(TestService)); var se = host.AddServiceEndpoint(typeof(ITestService), new BasicHttpBinding(), new Uri("http://localhost:37564")); var sdb = new ServiceDiscoveryBehavior(); sdb.AnnouncementEndpoints.Add(new UdpAnnouncementEndpoint()); IServiceBehavior sb = sdb; se.Behaviors.Add(b); var bc = new BindingParameterCollection(); sb.AddBindingParameters(host.Description, host, host.Description.Endpoints, bc); eb.AddBindingParameters(se, bc); Assert.AreEqual(0, bc.Count, "#1"); Assert.AreEqual(0, host.Extensions.Count, "#1-2"); sb.Validate(host.Description, host); eb.Validate(se); // ... should "validate" not "apply dispatch behavior" do "add host extension" job? I doubt that. Assert.AreEqual(1, host.Extensions.Count, "#2-2"); var dse = host.Extensions.Find <DiscoveryServiceExtension> (); Assert.IsNotNull(dse, "#2-3"); Assert.AreEqual(0, dse.PublishedEndpoints.Count, "#2-4"); Assert.AreEqual(2, se.Behaviors.Count, "#2-5"); // EndpointDiscoveryBehavior + discovery initializer. Assert.AreEqual(0, host.ChannelDispatchers.Count, "#3-1"); Assert.AreEqual(1, host.Description.Endpoints.Count, "#3-2"); Assert.AreEqual(0, dse.PublishedEndpoints.Count, "#3-4"); // The IEndpointBehavior from EndpointDiscoveryBehavior, when ApplyDispatchBehavior() is invoked, publishes an endpoint. sb.ApplyDispatchBehavior(host.Description, host); Assert.AreEqual(0, dse.PublishedEndpoints.Count, "#3-5"); // not yet published eb.ApplyDispatchBehavior(se, new EndpointDispatcher(new EndpointAddress("http://localhost:37564"), "ITestService", "http://tempuri.org/")); Assert.AreEqual(2, host.ChannelDispatchers.Count, "#3-6-1"); // for online and offline announcements Assert.AreEqual(0, dse.PublishedEndpoints.Count, "#3-6-2"); // still not published. host.Open(); try { Assert.AreEqual(3, host.ChannelDispatchers.Count, "#4-1"); // for online and offline announcements Assert.AreEqual(1, dse.PublishedEndpoints.Count, "#4-2"); // The endpoint is published again. (Not sure if it's worthy of testing.) } finally { host.Close(); } }
internal static void InitializeServiceHost(ServiceHostBase serviceHost) { var description = serviceHost.Description; if (serviceHost.ImplementedContracts != null && serviceHost.ImplementedContracts.Count > 0) { EnsureThereAreApplicationEndpoints(description); } ValidateDescription(serviceHost); var stuffPerListenUriInfo = new Dictionary <ListenUriInfo, StuffPerListenUriInfo>(); var endpointInfosPerEndpointAddress = new Dictionary <EndpointAddress, Collection <EndpointInfo> >(); // Ensure ListenUri and group endpoints per ListenUri for (int i = 0; i < description.Endpoints.Count; i++) { ServiceEndpoint endpoint = description.Endpoints[i]; ListenUriInfo listenUriInfo = GetListenUriInfoForEndpoint(serviceHost, endpoint); if (!stuffPerListenUriInfo.ContainsKey(listenUriInfo)) { stuffPerListenUriInfo.Add(listenUriInfo, new StuffPerListenUriInfo()); } stuffPerListenUriInfo[listenUriInfo].Endpoints.Add(endpoint); } foreach (KeyValuePair <ListenUriInfo, StuffPerListenUriInfo> stuff in stuffPerListenUriInfo) { Uri listenUri = stuff.Key.ListenUri; ListenUriMode listenUriMode = stuff.Key.ListenUriMode; BindingParameterCollection parameters = stuff.Value.Parameters; Binding binding = stuff.Value.Endpoints[0].Binding; EndpointIdentity identity = stuff.Value.Endpoints[0].Address.Identity; // same EndpointAddressTable instance must be shared between channelDispatcher and parameters //ThreadSafeMessageFilterTable<EndpointAddress> endpointAddressTable = new ThreadSafeMessageFilterTable<EndpointAddress>(); //parameters.Add(endpointAddressTable); // add service-level binding parameters foreach (IServiceBehavior behavior in description.Behaviors) { behavior.AddBindingParameters(description, serviceHost, stuff.Value.Endpoints, parameters); } for (int i = 0; i < stuff.Value.Endpoints.Count; i++) { ServiceEndpoint endpoint = stuff.Value.Endpoints[i]; string viaString = listenUri.AbsoluteUri; // ensure all endpoints with this ListenUriInfo have same binding if (endpoint.Binding != binding) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.ABindingInstanceHasAlreadyBeenAssociatedTo1, viaString))); } // ensure all endpoints with this ListenUriInfo have same identity if (!object.Equals(endpoint.Address.Identity, identity)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException( SR.Format(SR.SFxWhenMultipleEndpointsShareAListenUriTheyMustHaveSameIdentity, viaString))); } // add binding parameters (endpoint scope and below) AddBindingParametersForSecurityContractInformation(endpoint, parameters); AddBindingParameters(endpoint, parameters); } List <Type> channelTypes = GetSupportedChannelTypes(stuff.Value); var bindingQname = new XmlQualifiedName(binding.Name, binding.Namespace); var channelDispatcher = new ChannelDispatcher(listenUri, binding, bindingQname.ToString(), binding, channelTypes); //channelDispatcher.SetEndpointAddressTable(endpointAddressTable); stuff.Value.ChannelDispatcher = channelDispatcher; for (int i = 0; i < stuff.Value.Endpoints.Count; i++) { ServiceEndpoint endpoint = stuff.Value.Endpoints[i]; string viaString = listenUri.AbsoluteUri; //EndpointFilterProvider provider = new EndpointFilterProvider(); EndpointDispatcher dispatcher = BuildEndpointDispatcher(description, endpoint); if (!endpointInfosPerEndpointAddress.ContainsKey(endpoint.Address)) { endpointInfosPerEndpointAddress.Add(endpoint.Address, new Collection <EndpointInfo>()); } endpointInfosPerEndpointAddress[endpoint.Address].Add(new EndpointInfo(endpoint, dispatcher, /*provider*/ null)); channelDispatcher.Endpoints.Add(dispatcher); } // end foreach "endpoint" serviceHost.ChannelDispatchers.Add(channelDispatcher); } // end foreach "ListenUri/ChannelDispatcher" group // run service behaviors for (int i = 0; i < description.Behaviors.Count; i++) { IServiceBehavior serviceBehavior = description.Behaviors[i]; serviceBehavior.ApplyDispatchBehavior(description, serviceHost); } foreach (KeyValuePair <ListenUriInfo, StuffPerListenUriInfo> stuff in stuffPerListenUriInfo) { for (int i = 0; i < stuff.Value.Endpoints.Count; i++) { ServiceEndpoint endpoint = stuff.Value.Endpoints[i]; // rediscover which dispatcher goes with this endpoint Collection <EndpointInfo> infos = endpointInfosPerEndpointAddress[endpoint.Address]; EndpointInfo info = null; foreach (EndpointInfo ei in infos) { if (ei.Endpoint == endpoint) { info = ei; break; } } EndpointDispatcher dispatcher = info.EndpointDispatcher; // run contract behaviors for (int k = 0; k < endpoint.Contract.Behaviors.Count; k++) { IContractBehavior behavior = endpoint.Contract.Behaviors[k]; behavior.ApplyDispatchBehavior(endpoint.Contract, endpoint, dispatcher.DispatchRuntime); } // run endpoint behaviors ApplyBindingInformationFromEndpointToDispatcher(endpoint, dispatcher); for (int j = 0; j < endpoint.Behaviors.Count; j++) { IEndpointBehavior eb = endpoint.Behaviors[j]; eb.ApplyDispatchBehavior(endpoint, dispatcher); } // run operation behaviors BindOperations(endpoint.Contract, null, dispatcher.DispatchRuntime); } } EnsureRequiredRuntimeProperties(endpointInfosPerEndpointAddress); // Warn about obvious demux conflicts foreach (Collection <EndpointInfo> endpointInfos in endpointInfosPerEndpointAddress.Values) { // all elements of endpointInfos share the same Address (and thus EndpointListener.AddressFilter) if (endpointInfos.Count > 1) { for (int i = 0; i < endpointInfos.Count; i++) { for (int j = i + 1; j < endpointInfos.Count; j++) { // if not same ListenUri, won't conflict // if not same ChannelType, may not conflict (some transports demux based on this) // if they share a ChannelDispatcher, this means same ListenUri and same ChannelType if (endpointInfos[i].EndpointDispatcher.ChannelDispatcher == endpointInfos[j].EndpointDispatcher.ChannelDispatcher) { EndpointFilterProvider iProvider = endpointInfos[i].FilterProvider; EndpointFilterProvider jProvider = endpointInfos[j].FilterProvider; // if not default EndpointFilterProvider, we won't try to throw, you're on your own string commonAction; if (iProvider != null && jProvider != null && HaveCommonInitiatingActions(iProvider, jProvider, out commonAction)) { // you will definitely get a MultipleFiltersMatchedException at runtime, // so let's go ahead and throw now throw DiagnosticUtility.ExceptionUtility.ThrowHelperError( new InvalidOperationException( SR.Format(SR.SFxDuplicateInitiatingActionAtSameVia, endpointInfos[i].Endpoint.ListenUri, commonAction))); } } } } } } }
/// <summary> /// Implements a modification or extension of the service across an endpoint. /// </summary> /// <param name="endpoint">The endpoint that exposes the contract.</param> /// <param name="endpointDispatcher">The endpoint dispatcher to be modified or extended.</param> public void ApplyDispatchBehavior( ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher) { endpointBehavior.ApplyDispatchBehavior(endpoint, endpointDispatcher); }