public void Init(NetContractDescription description, IMessageFactory messageFactory, IOperationExecutor target, ActorKey?actor = null)
{
_description = description;
_messageFactory = messageFactory;
_target = target;
Actor = actor;
}
public async Task <ActorProxy <TPrimaryNetContract> > GetActor <TPrimaryNetContract>(ActorKey actorKey)
{
NetContractDescription desc = Dispatcher.GetContract <TPrimaryNetContract>();
var proxyKey = new ActorProxyKey(actorKey, desc.TypeId);
object proxy;
if (_proxyCache.TryGetValue(proxyKey, out proxy))
{
return((ActorProxy <TPrimaryNetContract>)proxy);
}
IOperationExecutor operationExecutor;
if (actorKey.OwnerNodeId == Id) //local actor
{
Actor actor;
Repository.TryGet(actorKey.LocalActorId, out actor);
operationExecutor = actor;
}
else
{
operationExecutor = await GetNodePeer(actorKey.OwnerNodeId);
}
return((ActorProxy <TPrimaryNetContract>)_proxyCache.GetOrAdd(proxyKey,
(actorId) => new ActorProxy <TPrimaryNetContract>(
(TPrimaryNetContract)(object)Dispatcher.CreateProxy(Dispatcher.GetContractId(typeof(TPrimaryNetContract)), MessageFactory, operationExecutor, actorKey),
actorKey)));
}
public void RegisterActorCoordinatorFor <TPrimaryNetContract>(IActorCoordinator coordinator)
{
NetContractDescription desc = Dispatcher.GetContract <TPrimaryNetContract>();
coordinator.Init(this, desc.TypeId);
_actorCoordinatorsByPrimaryContractId.Add(desc.TypeId, coordinator);
}
public async Task DispatchOperationToActor(uint actorLocalId, Message msg, NetPeer peer, bool externalCall)
{
try
{
Log.Debug("Dispatching {0} from {1} {2}", msg, peer, actorLocalId);
NetContractDescription desc = Dispatcher.GetContractForMessage(msg.Id);
if (desc == null)
{
Log.Debug("Dispatching {0} from {1} {2} : contract unknown", msg, peer, actorLocalId);
return;
}
if (externalCall && !desc.AllowExternalConnections)
{
Log.Debug("Dispatching {0} from {1} {2} : this actor doesn't allow external calls", msg, peer, actorLocalId);
return;
}
Actor actor;
if (Repository.TryGet(actorLocalId, out actor))
{
if (msg.GetHeader <OperationHeader>() != null)
{
Message reply = await((IOperationExecutor)actor).ExecuteOperation(new OperationContext(msg, peer));
peer.Reply(msg, reply);
Log.Debug("Dispatched {0} from {1} {2} : sending back reply {3}", msg, peer, actorLocalId, reply);
}
else
{
((IOperationExecutor)actor).ExecuteOneWayOperation(new OperationContext(msg, peer));
}
}
else
{
peer.ReplyWithError(msg, (ushort)BasicErrorCode.NonExistentActor, "Actor not present on this node");
Log.Debug("Dispatching {0} from {1} {2} : actor does not exist", msg, peer, actorLocalId);
}
}
catch (InvalidInput iex)
{
Log.Info(iex.ToString());
peer.ReplyWithError(msg, iex.ErrorCode, iex.Message);
}
catch (Exception ex)
{
Log.ErrorException(string.Format("Error on Dispatching {0} from {1} to {2}", msg, peer, actorLocalId), ex);
}
finally
{
MessageFactory.Free(msg);
}
}
public NetContractHandler(IOperationDispatcher dispatcher, uint contractId, object implementer)
{
Implementer = implementer;
ServiceTypeId = contractId;
Type implementerType = implementer.GetType();
NetContractDescription desc = dispatcher.GetContract(contractId);
InterfaceMapping mapping = implementerType.GetInterfaceMap(desc.ContractType);
foreach (NetOperationDescription operation in desc.Operations)
{
var handlerAttr = mapping.TargetMethods.First(m => m.Name == operation.Name).GetAttribute <NetOperationHandlerAttribute>();
_handlerAttributes.Add(operation.RequestMessageId, handlerAttr ?? new NetOperationHandlerAttribute());
}
}
public async Task <TNetContract> GetProxy <TNetContract>(uint?localActorId = null)
{
await Node.Fiber.ContinueOn().ConfigureAwait(false);
NetContractDescription contractDesc = Node.Dispatcher.GetContract <TNetContract>();
var proxyKey = new ActorProxyKey(new ActorKey(0, localActorId ?? 0), contractDesc.TypeId);
NetProxy proxy;
if (!_proxyCache.TryGetValue(proxyKey, out proxy))
{
proxy = Node.Dispatcher.CreateProxy(contractDesc.TypeId, MessageFactory, this, localActorId.HasValue ? proxyKey.ActorKey : (ActorKey?)null);
_proxyCache.Add(proxyKey, proxy);
}
return((TNetContract)(object)proxy);
}
private void OnClientMessage(Message msg)
{
Log.Debug("Received " + msg);
try
{
NetContractDescription contractDesc = Node.Dispatcher.GetContractForMessage(msg.Id);
var actorHeader = msg.GetHeader <ActorHeader>();
if (actorHeader != null)
{
Node.DispatchOperationToActor(actorHeader.ActorLocalId, msg, this, true);
}
else //by default operations are handled by client associated peer
{
NetContractHandler handler;
if (_handlersByNetContractId.TryGetValue(contractDesc.TypeId, out handler))
{
LockType lockType = handler.GetLockTypeForOperation(msg);
Log.Debug("Dispatching {0} to client peer", msg);
if (lockType == LockType.None)
#pragma warning disable 4014
{
//for this lock level we really don't wait for any results
DispatchAndReplyAsync(handler.Implementer, msg);
}
#pragma warning restore 4014
else
{
Fiber.ProcessAsync(() => DispatchAndReplyAsync(handler.Implementer, msg), lockType);
}
}
else
{
Log.Debug("Skipping {0} because no handler is present", msg);
MessageFactory.Free(msg);
}
}
}
catch (Exception ex)
{
MessageFactory.Free(msg);
Log.Error("Channel will be closed after: " + ex);
Channel.Close();
}
}
public IActorCoordinator GetCoordinator <TPrimaryNetContract>()
{
NetContractDescription desc = Dispatcher.GetContract <TPrimaryNetContract>();
if (!desc.IsPrimary)
{
throw new Exception("You can access Coordinator or Actor only by Primary contract");
}
IActorCoordinator coordinator;
if (!_actorCoordinatorsByPrimaryContractId.TryGetValue(desc.TypeId, out coordinator))
{
throw new Exception("Can't find coordinator for actor group with primary contract " + desc.ContractType.Name);
}
return(coordinator);
}
public void RegisterService(NetContractDescription desc)
{
Contract.Requires(desc != null);
_descByTypeId.Add(desc.TypeId, desc);
_contractIdByContractType.Add(desc.ContractType, desc.TypeId);
foreach (var operation in desc.Operations)
{
_descByMessageId.Add(operation.RequestMessageId, desc);
if (operation.ReplyMessageId.HasValue)
{
_descByMessageId.Add(operation.ReplyMessageId.Value, desc);
}
_dispatcherByMsgId.Add(operation.RequestMessageId, operation.Dispatch);
}
Log.Info("Registered Entity<contractType:{0}, typeId:{1}>", desc.ContractType, desc.TypeId);
}
protected void OnMessage(Message msg)
{
NetContractDescription contractDesc = Node.Dispatcher.GetContractForMessage(msg.Id);
object handler;
if (_handlersByNetContractId.TryGetValue(contractDesc.TypeId, out handler))
{
//NOTE: doesnt support server->client request-reply, only one way notifications that's why Task is not awaited
Task <Message> task = Node.Dispatcher.Dispatch(handler, msg);
if (task.Status != TaskStatus.RanToCompletion)
{
Log.Warn("Client supports only one way callback you should never try to return something back from client to server");
}
}
else
{
Log.Warn("Handler for {0} is unregistered", msg);
}
MessageFactory.Free(msg);
}
public OperationDispatcher(IMessageFactory msgfactory, IEnumerable <NetProxy> importedProxies)
{
Contract.Requires(importedProxies != null);
Contract.Requires(msgfactory != null);
_messageFactory = msgfactory;
foreach (var proxy in importedProxies)
{
Type type = proxy.GetType();
if (type.ContainsAttribute <NetProxyAttribute>())
{
var proxyAttr = type.GetAttribute <NetProxyAttribute>();
var contractAttr = proxyAttr.ContractType.GetAttribute <NetContractAttribute>();
var operations = new List <NetOperationDescription>();
foreach (var method in type.GetMethods().Where(x => x.ContainsAttribute <NetOperationDispatcherAttribute>()))
{
var opAttr = method.GetAttribute <NetOperationDispatcherAttribute>();
Message request = (Message)FormatterServices.GetUninitializedObject(opAttr.RequestMessage);
uint? replyId = null;
if (opAttr.ReplyMessage != null)
{
replyId = ((Message)FormatterServices.GetUninitializedObject(opAttr.ReplyMessage)).Id;
}
var opDesc = new NetOperationDescription(
method.Name, request.Id, replyId, (Func <IMessageFactory, object, Message, Task <Message> >)Delegate.CreateDelegate(
typeof(Func <IMessageFactory, object, Message, Task <Message> >), method));
operations.Add(opDesc);
}
var desc = new NetContractDescription(proxyAttr.ContractTypeId,
proxyAttr.ContractType, type, contractAttr, operations);
RegisterService(desc);
}
}
}
public void Init(NetContractDescription description, IMessageFactory messageFactory, IOperationExecutor target, ActorKey? actor = null)
{
_description = description;
_messageFactory = messageFactory;
_target = target;
Actor = actor;
}
public EntityDomainDescriptionTests()
{
_protocolDesc = new OperationDispatcher(Substitute.For<IMessageFactory>(),
new NetProxy[] { new ISomeServiceProxy() });
_contractDesc = _protocolDesc.GetContract(ServiceTypeId);
}