protected override void Execute(NativeActivityContext context)
{
MessageVersion version;
SendReceiveExtension sendReceiveExtension = context.GetExtension <SendReceiveExtension>();
if (sendReceiveExtension != null)
{
HostSettings hostSettings = sendReceiveExtension.HostSettings;
this.IncludeExceptionDetailInFaults = hostSettings.IncludeExceptionDetailInFaults;
}
CorrelationHandle correlatesWith = (this.CorrelatesWith == null) ? null : this.CorrelatesWith.Get(context);
if (correlatesWith == null)
{
correlatesWith = context.Properties.Find(CorrelationHandle.StaticExecutionPropertyName) as CorrelationHandle;
}
CorrelationResponseContext responseContext;
if (correlatesWith != null)
{
if (sendReceiveExtension != null)
{
if (!this.TryGetMessageVersion(correlatesWith.InstanceKey, out version))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.MessageVersionInformationNotFound));
}
}
else if (correlatesWith.TryAcquireResponseContext(context, out responseContext))
{
//Register the ResponseContext so that InternalSendMessage can access it.
if (!correlatesWith.TryRegisterResponseContext(context, responseContext))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.ResponseContextIsNotNull));
}
//Use the same MessageVersion as the incoming message that is retrieved using CorrelatonHandle
version = responseContext.MessageVersion;
}
else
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.CorrelationResponseContextShouldNotBeNull));
}
}
else
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.CorrelationResponseContextShouldNotBeNull));
}
Fx.Assert((this.Formatter == null && this.FaultFormatter != null) ||
(this.Formatter != null && this.FaultFormatter == null),
"OperationFormatter and FaultFormatter cannot be both null or both set!");
if (this.FaultFormatter != null)
{
Fx.Assert(this.parameters.Count == 1, "Exception should be the only parameter!");
Exception exception = this.parameters[0].Get(context) as Exception;
Fx.Assert(exception != null, "InArgument must be an Exception!");
MessageFault messageFault;
string action;
FaultException faultException = exception as FaultException;
if (faultException != null)
{
// This is an expected fault
// Reproduce logic from ErrorBehavior.InitializeFault
messageFault = this.FaultFormatter.Serialize(faultException, out action);
if (action == null)
{
action = version.Addressing.DefaultFaultAction;
}
}
else
{
// This is an unexpected fault
// Reproduce logic from ErrorBehavior.ProvideFaultOfLastResort
FaultCode code = new FaultCode(FaultCodeConstants.Codes.InternalServiceFault, FaultCodeConstants.Namespaces.NetDispatch);
code = FaultCode.CreateReceiverFaultCode(code);
action = FaultCodeConstants.Actions.NetDispatcher;
if (this.IncludeExceptionDetailInFaults)
{
messageFault = MessageFault.CreateFault(code,
new FaultReason(new FaultReasonText(exception.Message, CultureInfo.CurrentCulture)),
new ExceptionDetail(exception));
}
else
{
messageFault = MessageFault.CreateFault(code,
new FaultReason(new FaultReasonText(SR2.InternalServerError, CultureInfo.CurrentCulture)));
}
}
if (messageFault == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.CannotCreateMessageFault));
}
else
{
Message outMessage = System.ServiceModel.Channels.Message.CreateMessage(version, messageFault, action);
this.Message.Set(context, outMessage);
}
}
else
{
object[] inObjects;
if (this.parameters != null)
{
inObjects = new object[this.parameters.Count];
for (int i = 0; i < this.parameters.Count; i++)
{
Fx.Assert(this.Parameters[i] != null, "Parameter cannot be null");
inObjects[i] = this.parameters[i].Get(context);
}
}
else
{
inObjects = Constants.EmptyArray;
}
object returnValue = null;
if (this.Result != null)
{
returnValue = this.Result.Get(context);
}
Message outMessage = this.Formatter.SerializeReply(version, inObjects, returnValue);
this.Message.Set(context, outMessage);
}
}
bool TryGetContextCorrelationInstanceKey(HostSettings hostSettings, MessageProperties messageProperties, out InstanceKey correlationContextInstanceKey)
{
correlationContextInstanceKey = null;
ContextMessageProperty contextProperties = null;
if (ContextMessageProperty.TryGet(messageProperties, out contextProperties))
{
if (contextProperties.Context != null)
{
string instanceId = null;
if (contextProperties.Context.TryGetValue(InstanceIdKey, out instanceId))
{
IDictionary<string, string> keyData = new Dictionary<string, string>(1)
{
{ WSContextInstanceIdName, instanceId }
};
correlationContextInstanceKey = new CorrelationKey(keyData, hostSettings.ScopeName, null);
}
}
}
return correlationContextInstanceKey != null;
}
