353 lines
16 KiB
C#
353 lines
16 KiB
C#
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//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel.Description
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{
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using System;
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using System.Runtime;
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using System.ServiceModel.Administration;
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using System.ServiceModel.Channels;
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using System.ServiceModel.Dispatcher;
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using System.ServiceModel.Persistence;
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using System.Xml;
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[AttributeUsage(AttributeTargets.Class)]
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[Obsolete("The WF3 types are deprecated. Instead, please use the new WF4 types from System.Activities.*")]
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public sealed class DurableServiceAttribute : Attribute, IServiceBehavior, IContextSessionProvider, IWmiInstanceProvider
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{
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static DurableOperationAttribute defaultDurableOperationBehavior = new DurableOperationAttribute();
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bool saveStateInOperationTransaction;
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UnknownExceptionAction unknownExceptionAction;
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public DurableServiceAttribute()
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{
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this.unknownExceptionAction = UnknownExceptionAction.TerminateInstance;
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}
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public bool SaveStateInOperationTransaction
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{
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get { return this.saveStateInOperationTransaction; }
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set { this.saveStateInOperationTransaction = value; }
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}
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public UnknownExceptionAction UnknownExceptionAction
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{
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get
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{
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return this.unknownExceptionAction;
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}
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set
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{
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if (!UnknownExceptionActionHelper.IsDefined(value))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
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}
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this.unknownExceptionAction = value;
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}
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}
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public void AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase, System.Collections.ObjectModel.Collection<ServiceEndpoint> endpoints, System.ServiceModel.Channels.BindingParameterCollection bindingParameters)
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{
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// empty
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}
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public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
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{
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if (serviceDescription == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceDescription");
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}
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if (serviceHostBase == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceHostBase");
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}
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if (serviceDescription.Endpoints == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("serviceDescription", SR2.GetString(SR2.NoEndpoints));
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}
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PersistenceProviderBehavior providerBehavior = null;
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if (serviceDescription.Behaviors != null)
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{
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providerBehavior = serviceDescription.Behaviors.Find<PersistenceProviderBehavior>();
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}
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if (providerBehavior == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(
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SR2.NonNullPersistenceProviderRequired,
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typeof(PersistenceProvider).Name,
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typeof(DurableServiceAttribute).Name)));
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}
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if (providerBehavior.PersistenceProviderFactory == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(
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SR2.NonNullPersistenceProviderRequired,
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typeof(PersistenceProvider).Name,
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typeof(DurableServiceAttribute).Name)));
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}
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providerBehavior.PersistenceProviderFactory.Open();
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serviceHostBase.Closed += new EventHandler(
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delegate(object sender, EventArgs args)
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{
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Fx.Assert(sender is ServiceHostBase, "The sender should be serviceHostBase.");
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// We have no way of knowing whether the service host closed or aborted
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// so we err on the side of abort for right now.
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providerBehavior.PersistenceProviderFactory.Abort();
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}
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);
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DurableInstanceContextProvider instanceContextProvider = new ServiceDurableInstanceContextProvider(
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serviceHostBase,
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false,
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serviceDescription.ServiceType,
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providerBehavior.PersistenceProviderFactory,
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this.saveStateInOperationTransaction,
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this.unknownExceptionAction,
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new DurableRuntimeValidator(this.saveStateInOperationTransaction, this.unknownExceptionAction),
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providerBehavior.PersistenceOperationTimeout);
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DurableInstanceContextProvider singleCallInstanceContextProvider = null;
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IInstanceProvider instanceProvider = new DurableInstanceProvider(instanceContextProvider);
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bool includeExceptionDetails = false;
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if (serviceDescription.Behaviors != null)
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{
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ServiceBehaviorAttribute serviceBehavior = serviceDescription.Behaviors.Find<ServiceBehaviorAttribute>();
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if (serviceBehavior != null)
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{
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includeExceptionDetails |= serviceBehavior.IncludeExceptionDetailInFaults;
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}
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ServiceDebugBehavior serviceDebugBehavior = serviceDescription.Behaviors.Find<ServiceDebugBehavior>();
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if (serviceDebugBehavior != null)
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{
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includeExceptionDetails |= serviceDebugBehavior.IncludeExceptionDetailInFaults;
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}
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}
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IErrorHandler errorHandler = new ServiceErrorHandler(includeExceptionDetails);
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foreach (ChannelDispatcherBase channelDispatcherBase in serviceHostBase.ChannelDispatchers)
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{
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ChannelDispatcher channelDispatcher = channelDispatcherBase as ChannelDispatcher;
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if (channelDispatcher != null && channelDispatcher.HasApplicationEndpoints())
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{
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if (this.unknownExceptionAction == UnknownExceptionAction.AbortInstance)
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{
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channelDispatcher.ErrorHandlers.Add(errorHandler);
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}
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foreach (EndpointDispatcher endpointDispatcher in channelDispatcher.Endpoints)
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{
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if (endpointDispatcher.IsSystemEndpoint)
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{
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continue;
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}
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ServiceEndpoint serviceEndPoint = serviceDescription.Endpoints.Find(new XmlQualifiedName(endpointDispatcher.ContractName, endpointDispatcher.ContractNamespace));
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if (serviceEndPoint != null)
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{
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if (serviceEndPoint.Contract.SessionMode != SessionMode.NotAllowed)
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{
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endpointDispatcher.DispatchRuntime.InstanceContextProvider = instanceContextProvider;
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}
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else
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{
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if (singleCallInstanceContextProvider == null)
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{
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singleCallInstanceContextProvider = new ServiceDurableInstanceContextProvider(
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serviceHostBase,
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true,
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serviceDescription.ServiceType,
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providerBehavior.PersistenceProviderFactory,
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this.saveStateInOperationTransaction,
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this.unknownExceptionAction,
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new DurableRuntimeValidator(this.saveStateInOperationTransaction, this.unknownExceptionAction),
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providerBehavior.PersistenceOperationTimeout);
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}
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endpointDispatcher.DispatchRuntime.InstanceContextProvider = singleCallInstanceContextProvider;
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}
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endpointDispatcher.DispatchRuntime.MessageInspectors.Add(new DurableMessageDispatchInspector(serviceEndPoint.Contract.SessionMode));
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endpointDispatcher.DispatchRuntime.InstanceProvider = instanceProvider;
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WorkflowServiceBehavior.SetContractFilterToIncludeAllOperations(endpointDispatcher, serviceEndPoint.Contract);
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}
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}
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}
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}
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foreach (ServiceEndpoint endpoint in serviceDescription.Endpoints)
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{
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if (!endpoint.InternalIsSystemEndpoint(serviceDescription))
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{
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foreach (OperationDescription opDescription in endpoint.Contract.Operations)
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{
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if (!opDescription.Behaviors.Contains(typeof(DurableOperationAttribute)))
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{
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opDescription.Behaviors.Add(DurableOperationAttribute.DefaultInstance);
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}
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}
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}
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}
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}
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void IWmiInstanceProvider.FillInstance(IWmiInstance wmiInstance)
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{
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wmiInstance.SetProperty("SaveStateInOperationTransaction", this.saveStateInOperationTransaction);
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}
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string IWmiInstanceProvider.GetInstanceType()
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{
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return "DurableServiceAttribute";
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}
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public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
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{
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if (serviceDescription == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceDescription");
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}
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ContextBindingElement.ValidateContextBindingElementOnAllEndpointsWithSessionfulContract(serviceDescription, this);
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if (serviceDescription.Behaviors != null)
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{
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ServiceBehaviorAttribute serviceBehavior = serviceDescription.Behaviors.Find<ServiceBehaviorAttribute>();
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if (serviceBehavior != null)
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{
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if (serviceBehavior.InstanceContextMode != InstanceContextMode.PerSession)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(SR2.InstanceContextModeMustBePerSession, serviceBehavior.InstanceContextMode)));
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}
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if (serviceBehavior.ConcurrencyMode == ConcurrencyMode.Multiple)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(SR2.ConcurrencyMultipleNotSupported)));
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}
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if (serviceBehavior.ConcurrencyMode == ConcurrencyMode.Reentrant
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&& this.UnknownExceptionAction == UnknownExceptionAction.AbortInstance)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(SR2.ConcurrencyReentrantAndAbortNotSupported)));
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}
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}
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}
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bool foundSessionfulContract = false;
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foreach (ServiceEndpoint serviceEndpoint in serviceDescription.Endpoints)
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{
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if (serviceEndpoint != null && !serviceEndpoint.InternalIsSystemEndpoint(serviceDescription))
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{
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if (serviceEndpoint.Contract.SessionMode != SessionMode.NotAllowed)
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{
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foundSessionfulContract = true;
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}
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foreach (OperationDescription operation in serviceEndpoint.Contract.Operations)
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{
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DurableOperationAttribute durableBehavior =
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operation.Behaviors.Find<DurableOperationAttribute>();
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if (durableBehavior == null)
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{
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durableBehavior = defaultDurableOperationBehavior;
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}
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if (serviceEndpoint.Contract.SessionMode == SessionMode.NotAllowed)
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{
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if (!durableBehavior.CanCreateInstanceForOperation(operation.IsOneWay))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(
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SR2.CanCreateInstanceMustBeTrue,
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serviceEndpoint.Contract.Name,
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operation.Name)));
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}
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}
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else
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{
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if (operation.IsOneWay &&
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durableBehavior.CanCreateInstanceForOperation(operation.IsOneWay))
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(
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SR2.CanCreateInstanceMustBeTwoWay,
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serviceEndpoint.Contract.Name,
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serviceEndpoint.Contract.SessionMode,
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operation.Name)));
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}
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}
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if (this.saveStateInOperationTransaction)
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{
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bool hasTransaction = false;
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OperationBehaviorAttribute operationBehavior = operation.Behaviors.Find<OperationBehaviorAttribute>();
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if (operationBehavior != null)
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{
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if (operationBehavior.TransactionScopeRequired)
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{
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hasTransaction = true;
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}
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}
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TransactionFlowAttribute transactionBehavior = operation.Behaviors.Find<TransactionFlowAttribute>();
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if (transactionBehavior != null)
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{
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if (transactionBehavior.Transactions == TransactionFlowOption.Mandatory)
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{
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hasTransaction = true;
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}
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}
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if (!hasTransaction)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(
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SR2.SaveStateInTransactionValidationFailed,
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operation.Name,
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serviceEndpoint.ListenUri)));
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}
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}
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}
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}
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}
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if (!foundSessionfulContract)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
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new InvalidOperationException(
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SR2.GetString(SR2.SessionfulContractNotFound)));
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}
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}
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}
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}
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