Exemple #1
0
        internal object ProcessCall(SuperPoolProxyCall proxyCall)
        {
            SuperPoolInvocation superPoolInvocation = (SuperPoolInvocation)this._superPool;

            if (superPoolInvocation == null)
            {
                return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
            }
            IMessageBus messageBus = superPoolInvocation.MessageBus;

            if (messageBus == null || proxyCall.Processed)
            {
                return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
            }
            if (proxyCall.Mode == SuperPoolProxyCall.ModeEnum.DirectCall)
            {
                MessageBusClient localClientInstance = messageBus.GetLocalClientInstance(proxyCall.ReceiversIds[0]);
                if (localClientInstance == null || !(localClientInstance is SuperPoolClient))
                {
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }
                else
                {
                    return(FastInvokeHelper.GetMethodInvoker(proxyCall.MethodInfo.ProxyMethodInfo, true, true)(((ActiveInvocatorClient)localClientInstance).Source, proxyCall.Parameters));
                }
            }
            else
            {
                if (proxyCall.Mode == SuperPoolProxyCall.ModeEnum.CallFirst)
                {
                    ClientId clientId = this.Resolve(proxyCall.MethodInfo.ProxyMethodInfo.DeclaringType);
                    if ((ComponentId)clientId == (ComponentId)null)
                    {
                        return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                    }
                    proxyCall.ReceiversIds = new List <ClientId>()
                    {
                        clientId
                    };
                }
                SuperPoolCall superPoolCall = new SuperPoolCall(superPoolInvocation.GetUniqueCallId());
                superPoolCall.Parameters      = proxyCall.Parameters;
                superPoolCall.MethodInfoLocal = proxyCall.MethodInfo.ProxyMethodInfo;
                superPoolCall.State           = SuperPoolCall.StateEnum.Requesting;
                superPoolCall.RequestResponse = proxyCall.IsSynchronous || proxyCall.IsAsyncResultExpecting;
                proxyCall.Processed           = true;
                foreach (ParameterInfo parameterInfo in superPoolCall.MethodInfoLocal.GetParameters())
                {
                    if (parameterInfo.IsOut || parameterInfo.IsRetval || parameterInfo.IsOut || parameterInfo.ParameterType.IsByRef)
                    {
                        throw new NotImplementedException("Super pool calls do not support optional, out and ref parameters");
                    }
                }
                SyncCallInfo syncCallInfo = (SyncCallInfo)null;
                if (proxyCall.IsSynchronous || proxyCall.IsAsyncResultExpecting)
                {
                    syncCallInfo = new SyncCallInfo(superPoolCall.Id)
                    {
                        AsyncResultState    = proxyCall.AsyncResultState,
                        AsyncResultDelegate = proxyCall.AsyncResultDelegate,
                        AsyncResultTimeout  = proxyCall.AsyncResultTimeout
                    };
                    lock (this._syncCalls)
                        this._syncCalls[superPoolCall.Id] = syncCallInfo;
                }
                List <ClientId> list;
                if (proxyCall.ReceiversIds == null)
                {
                    if (proxyCall.MethodInfo == null || proxyCall.MethodInfo.ProxyOwnerType == null)
                    {
                        return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                    }
                    Type baseInterfaceType = proxyCall.MethodInfo.GetBaseInterfaceType();
                    if (baseInterfaceType == null)
                    {
                        return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                    }
                    list = new List <ClientId>();
                    foreach (ComponentId componentId in superPoolInvocation.GetInterfaceImplementors(baseInterfaceType))
                    {
                        if (componentId != (ComponentId)proxyCall.Sender.Id)
                        {
                            list.Add((ClientId)componentId);
                        }
                        if (proxyCall.IsSynchronous && list.Count > 0)
                        {
                            break;
                        }
                    }
                }
                else
                {
                    list = proxyCall.ReceiversIds;
                }
                if (list.Count <= 0)
                {
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }
                if (syncCallInfo != null && proxyCall.IsSynchronous)
                {
                    syncCallInfo.Event = new ManualResetEvent(false);
                }
                Outcomes outcomes = messageBus.Send(this.Id, (IEnumerable <ClientId>)list, new Envelope((object)superPoolCall)
                {
                    DuplicationMode = this.EnvelopeDuplicationMode
                }, proxyCall.RequestConfirmTimeout, 0 != 0);
                if (proxyCall.Outcome != null)
                {
                    proxyCall.Outcome.Result = outcomes;
                }
                if (outcomes != Outcomes.Success || (syncCallInfo == null || !proxyCall.IsSynchronous || !syncCallInfo.Event.WaitOne(proxyCall.Timeout.Value)))
                {
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }
                else
                {
                    return(syncCallInfo.Response);
                }
            }
        }
Exemple #2
0
        /// <summary>
        /// A call has been made from us trough the proxy object.
        /// </summary>
        internal object ProcessCall(SuperPoolProxyCall proxyCall)
        {
            SuperPoolInvocation superPool = _superPool;

            if (superPool == null)
            {
#if Matrix_Diagnostics
                SystemMonitor.OperationError("Failed to find super pool (possible dispose).");
#endif
                return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
            }

            IMessageBus messageBus = superPool.MessageBus;
            if (messageBus == null)
            {
#if Matrix_Diagnostics
                SystemMonitor.OperationError("Failed to find message bus (possible dispose).");
#endif
                return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
            }

            if (proxyCall.Processed)
            {
#if Matrix_Diagnostics
                SystemMonitor.OperationError("Proxy call already processed.");
#endif
                return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
            }

            if (proxyCall.Mode == SuperPoolProxyCall.ModeEnum.DirectCall)
            {
                MessageBusClient clientInstance = messageBus.GetLocalClientInstance(proxyCall.ReceiversIds[0]);
                if (clientInstance == null || clientInstance is SuperPoolClient == false)
                {
#if Matrix_Diagnostics
                    SystemMonitor.OperationError("Direct call failed, due to client not found or corresponding.");
#endif
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }
                else
                {// Perform the direct call.
                    // This is still fast, since caching is used.
                    FastInvokeHelper.FastInvokeHandlerDelegate delegateInstance = FastInvokeHelper.GetMethodInvoker(proxyCall.MethodInfo.ProxyMethodInfo, true, true);
                    return(delegateInstance.Invoke(((SuperPoolClient)clientInstance).Source, proxyCall.Parameters));
                }
            }
            else if (proxyCall.Mode == SuperPoolProxyCall.ModeEnum.CallFirst)
            {
                ClientId firstId = this.Resolve(proxyCall.MethodInfo.ProxyMethodInfo.DeclaringType);
                if (firstId == null)
                {
#if Matrix_Diagnostics
                    SystemMonitor.OperationError("Call first failed, no client found for [" + proxyCall.MethodInfo.ProxyMethodInfo.DeclaringType.Name + "] interface.");
#endif

                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }

                proxyCall.ReceiversIds = new List <ClientId>()
                {
                    firstId
                };
            }

            SuperPoolCall call = new SuperPoolCall(superPool.GetUniqueCallId());

            call.Parameters      = proxyCall.Parameters;
            call.MethodInfoLocal = proxyCall.MethodInfo.ProxyMethodInfo;

            call.State = SuperPoolCall.StateEnum.Requesting;
            //SuperPoolProxyCall.ModeEnum.Default ? SuperPoolCall.StateEnum.Requesting : SuperPoolCall.StateEnum.RequestingDirectCall;

            call.RequestResponse = proxyCall.IsSynchronous || proxyCall.IsAsyncResultExpecting;

            proxyCall.Processed = true;

            foreach (ParameterInfo info in call.MethodInfoLocal.GetParameters())
            {// Filter out ref, out and optional parameters.
                if (/*info.IsOptional ||*/ info.IsOut || info.IsRetval || info.IsOut || info.ParameterType.IsByRef)
                {
                    throw new NotImplementedException("Super pool calls do not support optional, out and ref parameters");
                }
            }

            // Prepare the synchronous structure (also handles waiting for the async results).
            SyncCallInfo syncCall = null;
            if (proxyCall.IsSynchronous || proxyCall.IsAsyncResultExpecting)
            {
                syncCall = new SyncCallInfo(call.Id)
                {
                    AsyncResultState    = proxyCall.AsyncResultState,
                    AsyncResultDelegate = proxyCall.AsyncResultDelegate,
                    AsyncResultTimeout  = proxyCall.AsyncResultTimeout,
                };

                lock (_syncCalls)
                {
                    _syncCalls[call.Id] = syncCall;
                }
            }

            List <ClientId> receiversIndeces = null;
            if (proxyCall.ReceiversIds == null)
            {// No receiver indicates send to all, so that is what we do.
                if (proxyCall.MethodInfo == null || proxyCall.MethodInfo.ProxyOwnerType == null)
                {
#if Matrix_Diagnostics
                    SystemMonitor.Error("Failed to establish the required proxy call parameters.");
#endif
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }

                Type interfaceType = proxyCall.MethodInfo.GetBaseInterfaceType();
                if (interfaceType == null)
                {
#if Matrix_Diagnostics
                    SystemMonitor.Error("Failed to establish the base interface type.");
#endif
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }

                receiversIndeces = new List <ClientId>();
                foreach (ComponentId receiverId in superPool.GetInterfaceImplementors(interfaceType))
                {
                    if (receiverId != proxyCall.Sender.Id)
                    {
                        receiversIndeces.Add((ClientId)receiverId);
                    }

                    if (proxyCall.IsSynchronous && receiversIndeces.Count > 0)
                    {// Synchronous inadressed calls only execute agains a max of one provider.
                        break;
                    }
                }
            }
            else
            {
                receiversIndeces = proxyCall.ReceiversIds;
            }

            if (receiversIndeces.Count > 0)
            {
                if (syncCall != null && proxyCall.IsSynchronous)
                {// Prepare the event.
                    syncCall.Event = new ManualResetEvent(false);
                }

                Outcomes sendResult = messageBus.Send(this.Id, receiversIndeces, new Envelope(call)
                {
                    DuplicationMode = EnvelopeDuplicationMode
                }, proxyCall.RequestConfirmTimeout, false);

                if (proxyCall.Outcome != null)
                {
                    proxyCall.Outcome.Result = sendResult;
                }

                if (sendResult != Outcomes.Success)
                {
#if Matrix_Diagnostics
                    SystemMonitor.OperationError(string.Format("Failed to send proxy call [{0}].", proxyCall.ToString()));
#endif
                    return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                }

                if (syncCall != null && proxyCall.IsSynchronous)
                {     // Wait for response.
                    if (syncCall.Event.WaitOne(proxyCall.Timeout.Value) == false)
                    { // Time out.
#if Matrix_Diagnostics
                        SystemMonitor.OperationWarning(string.Format("Proxy call timed out [{0}].", proxyCall.ToString()));
#endif
                        return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
                    }
                    else
                    {// Waited and awaken.
                        return(syncCall.Response);
                    }
                }
            }
            else
            {
#if Matrix_Diagnostics
                SystemMonitor.OperationWarning(string.Format("Failed to find invocation recipients for call [{0}].", proxyCall.ToString()));
#endif
            }

            return(ProxyTypeManager.GetTypeDefaultValue(proxyCall.ReturnType));
        }
        protected override bool HandleClientAdded(IMessageBus messageBus, ClientId clientId)
        {
            // Make sure to have this done first, since it will send notifications of clients, and we
            // may need those for the establishment of events.
            if (base.HandleClientAdded(messageBus, clientId) == false || messageBus == null || clientId == null)
            {
                return(false);
            }

            MessageBusClient clientInstance = messageBus.GetLocalClientInstance(clientId);

            // Will only work for local AND MessageSuperPoolClient typed clients.
            if (clientInstance is SuperPoolClient)
            {
                lock (_syncRoot)
                {
                    if (_clients.ContainsKey(clientInstance.Id))
                    {// Already added.
                        return(false);
                    }

                    ClientEventsHandler subscription = new ClientEventsHandler(this, (SuperPoolClient)clientInstance);
                    _clients.Add(clientInstance.Id, subscription);
                }
            }
            else
            {
                List <string> sourceTypeNames = messageBus.GetClientSourceTypes(clientId);
                if (sourceTypeNames == null)
                {
#if Matrix_Diagnostics
                    InstanceMonitor.Error("Failed to obtain client [" + clientId.ToString() + "] source type.");
#endif
                    return(false);
                }

                SuperPoolClient intercomClient = IntercomClient;
                if (intercomClient == null)
                {
#if Matrix_Diagnostics
                    InstanceMonitor.Error("Failed to obtain super pool main intercom client, so new client handling has failed.");
#endif
                    return(false);
                }

                List <EventSubscriptionRequest> totalRequests = new List <EventSubscriptionRequest>();
                if (clientId.IsLocalClientId == false)
                {
                    // Gather all the Super Pool related interfaces and their events, and send global updates for those
                    // so that any pending subscriptions may be restored.
                    // This is only done where the client is a remote client instance, since local ones we already know
                    // of them. This eventing information must be at the local pool for the client, since it is the one
                    // handling the event and sending it to all interested parties.
                    foreach (Type interfaceType in ReflectionHelper.GetKnownTypes(sourceTypeNames))
                    {
                        if (interfaceType.IsInterface &&
                            ReflectionHelper.TypeHasCustomAttribute(interfaceType, typeof(SuperPoolInterfaceAttribute), false) == false)
                        {// Interface type not marked as super pool.
                            continue;
                        }

                        foreach (EventInfo info in interfaceType.GetEvents())
                        {
                            string eventName = GeneralHelper.GetEventMethodExtendedName(info, false);
                            EventSubscriptionInfo eventInfo;
                            if (_eventSubscriptions.TryGetValue(eventName, out eventInfo))
                            {
                                totalRequests.AddRange(eventInfo.GatherSourceRelatedUpdates(clientId));
                            }
                        }
                    }
                }

                // Send updates for the newly connected client, so that it can obtain any subscription information
                // regarding it, it case it has missed some.
                foreach (EventSubscriptionRequest request in totalRequests)
                {
                    // Notify other connected super pools of this subcription,
                    // since the subscribee(s) may be attached on them.
                    // *pendingCall swap done here, make sure to not use it on or after this line*
                    intercomClient.CallAll <ISuperPoolIntercom>().ProcessSubscriptionUpdate(request);
                }
            }


            return(true);
        }