/// <summary>
/// Implementation, separate in order to allow calls from child classes.
/// </summary>
public static object GetTypeDefaultValue(Type returnType)
{
if (returnType == null || returnType.IsByRef ||
returnType.IsClass)
{
return(null);
}
object result;
if (_defaultReturnValues.TryGetValue(returnType, out result))
{
return(result);
}
result = Activator.CreateInstance(returnType);
_defaultReturnValues.Add(returnType, result);
return(result);
}
void _messageClient_MessageReceivedEvent(SocketCommunicator helper, object message)
{
if (message is EnvelopeMessage)
{
EnvelopeMessage envelopeMessage = (EnvelopeMessage)message;
// Remove the remote message bus index association.
envelopeMessage.Sender.LocalMessageBusIndex = ClientId.InvalidMessageBusClientIndex;
foreach (ClientId id in envelopeMessage.Receivers)
{
// Decode the id.
id.LocalMessageBusIndex = base.GetClientIndexByGuid(id.Guid);
if (id.IsMessageBusIndexValid)
{
// Assign as a part of the local bus.
id.MessageBus = this;
if (DoSendToClient(envelopeMessage.Sender, id, envelopeMessage.Envelope, null) != SendToClientResultEnum.Success)
{
#if Matrix_Diagnostics
InstanceMonitor.OperationError(string.Format("Failed to accept envelope message [{0}].", envelopeMessage.ToString()));
#endif
}
}
else
{
#if Matrix_Diagnostics
InstanceMonitor.OperationError(string.Format("Failed to accept envelope message [{0}] due to unrecognized receiver id.", envelopeMessage.ToString()));
#endif
}
}
}
else if (message is ClientsListMessage)
{// Received client update from server.
ClientsListMessage listMessage = (ClientsListMessage)message;
int jef = 0;
foreach (var client in listMessage.Ids)
{
Console.WriteLine("Incoming client id: " + client + " Source type: " + listMessage.SourcesTypes[jef]);
jef++;
}
List <ClientId> existingIds = new List <ClientId>();
lock (_syncRoot)
{
existingIds.AddRange(_originalServerClientsHotSwap.Values);
_originalServerClientsHotSwap.Clear();
_originalServerClientsTypesHotSwap.Clear();
_originalServerClientsSourcesTypesHotNamesSwap.Clear();
// Preprocess Ids, by assigning them new indeces and adding to the local message bus register.
for (int i = 0; i < listMessage.Ids.Count; i++)
{
// Add an original copy to the list.
_originalServerClientsHotSwap.Add(listMessage.Ids[i].Guid, listMessage.Ids[i]);
_originalServerClientsTypesHotSwap.Add(listMessage.Ids[i].Guid, listMessage.Types[i]);
_originalServerClientsSourcesTypesHotNamesSwap.Add(listMessage.Ids[i].Guid, listMessage.SourcesTypes[i]);
// Add the client to a new spot.
//_clientsHotSwap.Add(null);
//int messageBusIndex = _clientsHotSwap.Count - 1;
// This type of assignment will also work with multiple entries.
// This performs an internal hotswap.
//_guidToIndexHotSwap[id.Guid] = messageBusIndex;
// Also add to this classes collection.
//_localToRemoteId[messageBusIndex] = id;
}
}
foreach (ClientId id in listMessage.Ids)
{
existingIds.Remove(id);
RaiseClientAddedEvent(id);
}
// Raise for any that were removed.
foreach (ClientId id in existingIds)
{
RaiseClientRemovedEvent(id, true);
}
}
else if (message is RequestClientListUpdateMessage)
{
SendClientsUpdate();
}
else if (message is ClientUpdateMessage)
{
ClientUpdateMessage updateMessage = (ClientUpdateMessage)message;
if (_originalServerClientsHotSwap.ContainsKey(updateMessage.ClientId.Guid))
{
RaiseClientUpdateEvent(updateMessage.ClientId);
}
else
{
#if Matrix_Diagnostics
InstanceMonitor.OperationError(string.Format("Failed to raise update event for client [{0}], since client not found.", updateMessage.ClientId.ToString()));
#endif
}
}
else if (message is StateUpdateMessage)
{
RaiseCounterPartyUpdateEvent("Server", ((StateUpdateMessage)message).State.ToString());
}
else
{
#if Matrix_Diagnostics
InstanceMonitor.Warning(string.Format("Message [{0}] not recognized.", message.GetType().Name));
#endif
}
}
/// <summary>
/// Basic asynchronous call operation.
/// </summary>
/// <param name="receiverId">The value of the receiver, null means call all.</param>
internal bool Call <InterfaceType>(SuperPoolClient sender, IEnumerable <ComponentId> receiversIds,
out InterfaceType result, out SuperPoolProxyCall call)
where InterfaceType : class
{
call = null;
result = null;
// SLOW.
//if (_messageBus.ContainsClient(sender.Id) == false)
//{
// SystemMonitor.OperationError("Client not a member of message bus (and super pool).");
// return false;
//}
if (typeof(InterfaceType).IsInterface == false)
{
throw new Exception("Type provided not an interface.");
}
// Very slow !!
//object[] attributes = typeof(InterfaceType).GetCustomAttributes(typeof(SuperPoolInterfaceAttribute), false);
//if (attributes == null || attributes.Length == 0)
//{
// SystemMonitor.Throw("Interface type [" + typeof(InterfaceType).Name + "] not marked as super pool interface.");
// return false;
//}
ProxyTypeManager typeManager = _proxyTypeManager;
if (typeManager == null)
{
return(false);
}
if (_pendingThreadsCalls.TryGetValue(Thread.CurrentThread.ManagedThreadId, out call) == false)
{// We are safe from danger of someone else already adding the value with this id,
// since we are the only thread with this id.
call = new SuperPoolProxyCall();
// This is slow, but very rarely executed, since thread ids are reused.
_pendingThreadsCalls.Add(Thread.CurrentThread.ManagedThreadId, call);
}
else
{
// Since we reuse the call, clean it up before usage.
call.Clear();
}
call.Processed = false;
if (receiversIds != null)
{// Extract the Indeces from the Ids.
List <ClientId> receiversIndeces = new List <ClientId>();
foreach (ComponentId id in receiversIds)
{
receiversIndeces.Add((ClientId)id);
}
call.ReceiversIds = receiversIndeces;
}
else
{
call.ReceiversIds = null;
}
call.Sender = sender;
result = (InterfaceType)typeManager.ObtainInterfaceProxy(typeof(InterfaceType));
return(true);
}
void ISuperPoolIntercom.ProcessSubscriptionUpdate(EventSubscriptionRequest subscriptionRequest)
{
// Filter request, since it may not be related at all to this super pool.
bool clientFound = false;
ReadOnlyCollection <ClientId> sources = subscriptionRequest.EventsSources;
if (sources == null)
{// Null value indicates a subscirption to all possible sources.
clientFound = true;
}
else
{
foreach (ClientId id in sources)
{
if (_clients.ContainsKey(id))
{
clientFound = true;
break;
}
}
}
// Check the sources and the SenderId, before dumping event.
if (clientFound == false && subscriptionRequest.SenderId.IsLocalClientId == false)
{
#if Matrix_Diagnostics
InstanceMonitor.Info("Subscription request received [" + subscriptionRequest.ToString() + "], ignored since not related.");
#endif
return;
}
else
{
#if Matrix_Diagnostics
InstanceMonitor.Info("Subscription request received [" + subscriptionRequest.ToString() + "] and processing...");
#endif
}
EventSubscriptionInfo methodSubscription = null;
if (_eventSubscriptions.TryGetValue(subscriptionRequest.ExtendedEventName, out methodSubscription) == false)
{
lock (_syncRoot)
{
if (_eventSubscriptions.TryGetValue(subscriptionRequest.ExtendedEventName, out methodSubscription) == false)
{// Add a new method subscription info.
methodSubscription = new EventSubscriptionInfo(subscriptionRequest.ExtendedEventName);
_eventSubscriptions.Add(subscriptionRequest.ExtendedEventName, methodSubscription);
}
}
}
if (methodSubscription == null)
{
#if Matrix_Diagnostics
InstanceMonitor.OperationError("Failed to find method subscription, subscription failed.");
#endif
return;
}
// Apply the requests locally.
methodSubscription.SubscriptionUpdate(subscriptionRequest);
}
protected void AssignClientSource(object source)
{
SuperPoolClient client = _client;
if (client == null)
{
#if Matrix_Diagnostics
SystemMonitor.Error("Failed to add client source, since client not available (possible Dispose).");
#endif
return;
}
SuperPoolSubscription owner = _owner;
if (owner == null)
{
#if Matrix_Diagnostics
SystemMonitor.Error("Failed to add client source, since no owner is available (possible Dispose).");
#endif
return;
}
ReleaseCurrentClientSource();
_clientSource = source;
if (_clientSource == null)
{
#if Matrix_Diagnostics
SystemMonitor.OperationWarning("Starting a client with no source attached.");
#endif
return;
}
foreach (Type interfaceType in ReflectionHelper.GatherTypeAttributeMarkedInterfaces(source.GetType(), typeof(SuperPoolInterfaceAttribute)))
{// Gather all events, from interfaces marked with [SuperPoolInterfaceAttribute].
// Make sure to have created the corresponding proxy instance for this interface type.
owner.ProxyTypeManager.ObtainInterfaceProxy(interfaceType);
foreach (EventInfo eventInfo in interfaceType.GetEvents())
{
Type delegateType = eventInfo.EventHandlerType;
GeneratedMethodInfo methodInfo = owner.ProxyTypeManager.Builder.GenerateDynamicMethodProxyDelegate(delegateType);
// Create delegate can operate in 2 modes:
// - create a static delegate like this (requires instnace upon call): info.Method.CreateDelegate(delegateType);
// - create an instance delegate like this (can be direct called): info.Method.CreateDelegate(delegateType, instance);
Delegate delegateInstance = methodInfo.StandaloneDynamicMethod.CreateDelegate(delegateType, this);
eventInfo.AddEventHandler(source, delegateInstance);
EventHandlingInformation subscriptionInfo = new EventHandlingInformation()
{
DelegateInstance = delegateInstance,
EventInfo = eventInfo,
GeneratedMethodInfo = methodInfo
};
lock (this)
{
_eventsMethods.Add(methodInfo.Id, subscriptionInfo);
}
}
}
}