public IMessage SyncProcessMessage(IMessage msg)
{
CheckParameters(msg);
// Makes the real call to the object
if (_rp != null)
{
return(_rp.Invoke(msg));
}
else
{
return(RemotingServices.InternalExecuteMessage(_target, (IMethodCallMessage)msg));
}
}
public override IMessage Invoke(IMessage msg)
{
int nbWcfExceptions = 0;
int nbExceptions = 0;
while (true)
{
// Ensure channel is open
if (!IsChannelUsable())
{
CloseChannel();
OpenChannel();
}
// Call Channel method
var result = _innerChannelProxy.Invoke(msg) as IMethodReturnMessage;
// Everything ok
if (result.Exception == null)
{
return(result);
}
// Manage Exceptions
if (result.Exception is CommunicationException)
{
nbWcfExceptions++;
// WCF Communication exception (faulted channel for example)
if (nbWcfExceptions > NbRetriesOnWcfException)
{
return(result);
}
// Notify exception
if (RetryOnCommunicationException != null)
{
RetryOnCommunicationException(result.Exception as CommunicationException);
}
}
else
{
nbExceptions++;
// Not an communication exception
if (nbExceptions > NbRetriesOnException)
{
return(result);
}
// Notify exception
if (RetryOnException != null)
{
RetryOnException(result.Exception);
}
}
}
}
private static void InvokeRealProxy(RealProxy realProxy, WcfInvocation wcfInvocation)
{
var message = new MethodCallMessage(wcfInvocation.Method, wcfInvocation.Arguments);
var returnMessage = (IMethodReturnMessage)realProxy.Invoke(message);
if (returnMessage.Exception != null)
{
var exception = ExceptionHelper.PreserveStackTrace(returnMessage.Exception);
throw exception;
}
wcfInvocation.ReturnValue = returnMessage.ReturnValue;
}
// Implement Invoke
public override IMessage Invoke(IMessage reqmsg)
{
DBG.Info(DBG.SC, "Intermediary: Invoke: forwarding call...");
IMessage retmsg = HandleSpecialMessages(reqmsg);
if (retmsg != null)
{
return(retmsg);
}
return(_pxy.Invoke(reqmsg));
}
public override IMessage Invoke(IMessage message)
{
RealProxy delegatingProxy = null;
IMethodCallMessage msg = message as IMethodCallMessage;
try
{
delegatingProxy = serviceChannelCreator.CreateChannel();
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
return(new ReturnMessage(DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(e.GetBaseException().Message, Marshal.GetHRForException(e.GetBaseException()))), msg));
}
MethodBase typeMethod = msg.MethodBase;
IRemotingTypeInfo typeInfo = delegatingProxy as IRemotingTypeInfo;
if (typeInfo == null)
{
throw Fx.AssertAndThrow("Type Info cannot be null");
}
if (typeInfo.CanCastTo(typeMethod.DeclaringType, null))
{
IMessage msgReturned = delegatingProxy.Invoke(message);
ReturnMessage returnMsg = msgReturned as ReturnMessage;
if ((returnMsg == null) || (returnMsg.Exception == null))
{
return(msgReturned);
}
else
{
return(new ReturnMessage(DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(returnMsg.Exception.GetBaseException().Message, Marshal.GetHRForException(returnMsg.Exception.GetBaseException()))), msg));
}
}
else
{
return(new ReturnMessage(DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(SR.GetString(SR.OperationNotFound, typeMethod.Name), HR.DISP_E_UNKNOWNNAME)), msg));
}
}
// helper to implement RemoteDispatch methods
private String RemoteDispatchHelper(String s, out bool failed)
{
if (_denyRemoteDispatch)
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
IMessage reqMsg = ComponentServices.ConvertToMessage(s, this);
// Check to see if the method is marked as secure on the
// server side: If so, we need to kick it back to the caller,
// cause they called us incorrectly. Also verify the method
// is not private, internal, or static.
CheckMethodAccess(reqMsg);
RealProxy rp = RemotingServices.GetRealProxy(this);
DBG.Assert(rp != null, "Null RP in Invoke helper");
IMessage retMsg = rp.Invoke(reqMsg);
// Check for failures:
IMethodReturnMessage mrm = retMsg as IMethodReturnMessage;
if (mrm != null && mrm.Exception != null)
{
failed = true;
}
else
{
failed = false;
}
String sret = ComponentServices.ConvertToString(retMsg);
return(sret);
}
public override IMessage Invoke(IMessage message)
{
RealProxy proxy = null;
IMethodCallMessage mcm = message as IMethodCallMessage;
try
{
proxy = this.serviceChannelCreator.CreateChannel();
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
return(new ReturnMessage(DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(exception.GetBaseException().Message, Marshal.GetHRForException(exception.GetBaseException()))), mcm));
}
MethodBase methodBase = mcm.MethodBase;
IRemotingTypeInfo info = proxy as IRemotingTypeInfo;
if (info == null)
{
throw Fx.AssertAndThrow("Type Info cannot be null");
}
if (info.CanCastTo(methodBase.DeclaringType, null))
{
IMessage message3 = proxy.Invoke(message);
ReturnMessage message4 = message3 as ReturnMessage;
if ((message4 != null) && (message4.Exception != null))
{
return(new ReturnMessage(DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(message4.Exception.GetBaseException().Message, Marshal.GetHRForException(message4.Exception.GetBaseException()))), mcm));
}
return(message3);
}
return(new ReturnMessage(DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(System.ServiceModel.SR.GetString("OperationNotFound", new object[] { methodBase.Name }), HR.DISP_E_UNKNOWNNAME)), mcm));
}
public override IMessage Invoke(IMessage msg)
{
return(innerProxy.Invoke(msg));
}
public override IMessage Invoke( IMessage msg ) {
RealProxy rp = RemotingServices.GetRealProxy( _obj );
return rp.Invoke( msg );
}