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