static void InvokeComplete(IAsyncResult resultParameter)
{
if (resultParameter.CompletedSynchronously)
{
return;
}
InvokeAsyncResult invokeResult = resultParameter.AsyncState as InvokeAsyncResult;
Fx.Assert(invokeResult != null,
"Async state should have been of type InvokeAsyncResult.");
try
{
invokeResult.returnValue = invokeResult.invoker.innerInvoker.InvokeEnd(invokeResult.serviceInstance, out invokeResult.outputs, resultParameter);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
ServiceErrorHandler.MarkException(e);
invokeResult.completionException = e;
}
finally
{
if (invokeResult.DoFinish())
{
invokeResult.Complete(false, invokeResult.completionException);
}
}
}
public object Invoke(object instance, object[] inputs, out object[] outputs)
{
if (instance == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("instance");
}
ServiceDurableInstance durableInstance = instance as ServiceDurableInstance;
if (durableInstance == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.InvokeCalledWithWrongType, typeof(DurableServiceAttribute).Name)));
}
object serviceInstance = durableInstance.StartOperation(this.canCreateInstance);
Exception operationException = null;
bool failFast = false;
try
{
return(this.innerInvoker.Invoke(serviceInstance, inputs, out outputs));
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
failFast = true;
throw;
}
operationException = e;
ServiceErrorHandler.MarkException(e);
throw;
}
finally
{
if (!failFast)
{
durableInstance.FinishOperation(this.completesInstance, this.contractCausesSave, operationException);
}
}
}
bool DoInvoke()
{
bool finishNow = false;
try
{
IAsyncResult result = null;
using (OperationContextScope operationScope = new OperationContextScope(this.operationContext))
{
result = this.invoker.innerInvoker.InvokeBegin(this.serviceInstance, this.inputs, invokeCallback, this);
}
if (result.CompletedSynchronously)
{
this.returnValue = this.invoker.innerInvoker.InvokeEnd(this.serviceInstance, out this.outputs, result);
finishNow = true;
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
ServiceErrorHandler.MarkException(e);
this.completionException = e;
finishNow = true;
}
if (finishNow)
{
if (DoFinish())
{
return(true);
}
}
return(false);
}
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);
}
}
}
}
}