public override Task <IServiceRemotingResponseMessageBody> HandleRequestResponseAsync(
ServiceRemotingDispatchHeaders requestMessageDispatchHeaders,
IServiceRemotingRequestMessageBody requestMessageBody,
CancellationToken cancellationToken)
{
return(base.HandleRequestResponseAsync(requestMessageDispatchHeaders, requestMessageBody, cancellationToken));
}
public Task <IServiceRemotingResponseMessageBody> InvokeAsync(ActorId actorId, int interfaceId, int methodId,
string callContext,
IServiceRemotingRequestMessageBody requestMsgBody,
IServiceRemotingMessageBodyFactory remotingMessageBodyFactory,
CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
this.ThrowIfClosed();
var methodDispatcher = this.actorService.MethodDispatcherMapV2.GetDispatcher(interfaceId, methodId);
var actorMethodName = methodDispatcher.GetMethodName(methodId);
var actorMethodContext = ActorMethodContext.CreateForActor(actorMethodName);
return(this.DispatchToActorAsync <IServiceRemotingResponseMessageBody>(
actorId: actorId,
actorMethodContext: actorMethodContext,
createIfRequired: true,
actorFunc:
(actor, innerCancellationToken) =>
this.ActorMethodDispatch(methodDispatcher, actor, interfaceId, methodId, requestMsgBody,
remotingMessageBodyFactory,
innerCancellationToken),
callContext: callContext,
timerCall: false,
cancellationToken: cancellationToken));
}
private Task <IServiceRemotingResponseMessage> OnDispatch(
IServiceRemotingRequestMessageHeader requestMessageHeaders,
IServiceRemotingRequestMessageBody requestBody, CancellationToken cancellationToken)
{
MethodDispatcherBase methodDispatcher;
if (!this.methodDispatcherMap.TryGetValue(requestMessageHeaders.InterfaceId, out methodDispatcher))
{
throw new NotImplementedException(string.Format(CultureInfo.CurrentCulture,
SR.ErrorInterfaceNotImplemented, requestMessageHeaders.InterfaceId, this.serviceImplementation));
}
Task <IServiceRemotingResponseMessageBody> dispatchTask = null;
var stopwatch = Stopwatch.StartNew();
try
{
dispatchTask = methodDispatcher.DispatchAsync(this.serviceImplementation,
requestMessageHeaders.MethodId,
requestBody,
this.GetRemotingMessageBodyFactory(),
cancellationToken);
}
catch (Exception e)
{
var info = ExceptionDispatchInfo.Capture(e);
this.servicePerformanceCounterProvider.OnServiceMethodFinish
(requestMessageHeaders.InterfaceId,
requestMessageHeaders.MethodId,
stopwatch.Elapsed, e);
info.Throw();
}
return(dispatchTask.ContinueWith(
t =>
{
object responseBody = null;
try
{
responseBody = t.GetAwaiter().GetResult();
}
catch (Exception e)
{
var info = ExceptionDispatchInfo.Capture(e);
this.servicePerformanceCounterProvider.OnServiceMethodFinish
(requestMessageHeaders.InterfaceId,
requestMessageHeaders.MethodId,
stopwatch.Elapsed, e);
info.Throw();
}
this.servicePerformanceCounterProvider.OnServiceMethodFinish(
requestMessageHeaders.InterfaceId,
requestMessageHeaders.MethodId,
stopwatch.Elapsed);
return (IServiceRemotingResponseMessage) new ServiceRemotingResponseMessage(null,
(IServiceRemotingResponseMessageBody)responseBody);
},
TaskContinuationOptions.ExecuteSynchronously));
}
internal override void InvokeImplV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue)
{
this.SendToSubscribers(interfaceId, methodId, requestMsgBodyValue);
}
private async Task <IServiceRemotingResponseMessage> HandleActorMethodDispatchAsync(
IActorRemotingMessageHeaders messageHeaders, IServiceRemotingRequestMessageBody msgBody)
{
var startTime = DateTime.UtcNow;
if (this.IsCancellationRequest(messageHeaders))
{
await this.cancellationHelper.CancelRequestAsync(
messageHeaders.InterfaceId,
messageHeaders.MethodId,
messageHeaders.InvocationId);
return(null);
}
else
{
IServiceRemotingResponseMessageBody retVal;
this.actorService.ActorManager.DiagnosticsEventManager.ActorRequestProcessingStart();
try
{
retVal = await this.cancellationHelper.DispatchRequest(
messageHeaders.InterfaceId,
messageHeaders.MethodId,
messageHeaders.InvocationId,
cancellationToken => this.OnDispatch(messageHeaders, msgBody,
cancellationToken));
}
finally
{
this.actorService.ActorManager.DiagnosticsEventManager.ActorRequestProcessingFinish(startTime);
}
return(new ServiceRemotingResponseMessage(null, retVal));
}
}
internal override void InvokeImplV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue)
{
// no - op as events/one way messages are not supported for services
}
public OutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
var writeStream = new MemoryStream();
var jsonWriter = new JsonTextWriter(new StreamWriter(writeStream));
var serializer = JsonSerializer.Create(new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.All
});
serializer.Serialize(jsonWriter, serviceRemotingRequestMessageBody);
jsonWriter.Flush();
var segment = new ArraySegment <byte>(writeStream.ToArray());
var segments = new List <ArraySegment <byte> > {
segment
};
return(new OutgoingMessageBody(segments));
}
/// <summary>
/// Handles a message from the client that requires a response from the service. This Api can be used for the short-circuiting where client is in same process as service.
/// Client can now directly dispatch request to service instead of using ServiceProxy.
/// </summary>
/// <param name="requestMessageDispatchHeaders">Request message headers</param>
/// <param name="requestMessageBody">Request message body</param>
/// <param name="cancellationToken">Cancellation token. It can be used to cancel the request</param>
public virtual Task <IServiceRemotingResponseMessageBody> HandleRequestResponseAsync(
ServiceRemotingDispatchHeaders requestMessageDispatchHeaders,
IServiceRemotingRequestMessageBody requestMessageBody,
CancellationToken cancellationToken)
{
var header = this.CreateServiceRemotingRequestMessageHeader(requestMessageDispatchHeaders);
return(this.HandleRequestResponseAsync(header, requestMessageBody, cancellationToken));
}
//V2 Stack Api
internal override Task <IServiceRemotingResponseMessage> InvokeAsyncImplV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue,
CancellationToken cancellationToken)
{
// async methods are not supported for actor event interface
throw new NotImplementedException();
}
/// <summary>
/// Called by the generated proxy class to send the requestMessage to the remote object.
/// </summary>
/// <param name="interfaceId">Id of the remote interface.</param>
/// <param name="methodId">Id of the remote method to be invokved.</param>
/// <param name="requestMsgBodyValue">Message body to be sent to remote object.</param>
protected void InvokeV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue)
{
this.InvokeImplV2(
interfaceId,
methodId,
requestMsgBodyValue);
}
IOutgoingMessageBody IServiceRemotingRequestMessageBodySerializer.Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
var writeStream = new MemoryStream();
Serializer.Serialize(writeStream, serviceRemotingRequestMessageBody);
var segment = new ArraySegment <byte>(writeStream.ToArray());
var segments = new List <ArraySegment <byte> > {
segment
};
return(new OutgoingMessageBody(segments));
}
public void RaiseEvent(int eventInterfaceId, int methodId, IServiceRemotingRequestMessageBody eventMsgBody)
{
var headers = new ActorRemotingMessageHeaders
{
ActorId = new ActorId(this.id),
InterfaceId = eventInterfaceId,
MethodId = methodId
};
this.callbackV2.SendOneWay(
new ServiceRemotingRequestMessage(headers,
eventMsgBody));
}
public IOutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
string json = serviceRemotingRequestMessageBody.ToString();
byte[] bytes = Encoding.UTF8.GetBytes(json);
ArraySegment <byte> segment = new ArraySegment <byte>(bytes);
return(new OutgoingMessageBody(new[] { segment }));
}
public IOutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
var bytes = serviceRemotingRequestMessageBody
.Serialize();
var segment = new ArraySegment <byte>(bytes);
return(new OutgoingMessageBody(new [] { segment }));
}
private async Task <IServiceRemotingResponseMessageBody> HandleRequestResponseAsync(
IServiceRemotingRequestMessageHeader remotingRequestMessageHeader,
IServiceRemotingRequestMessageBody requestMessageBody,
CancellationToken cancellationToken)
{
IServiceRemotingResponseMessage retval = await this.OnDispatch(remotingRequestMessageHeader, requestMessageBody,
cancellationToken);
if (retval != null)
{
return(retval.GetBody());
}
return(null);
}
private Task <IServiceRemotingResponseMessageBody> OnDispatch(
IActorRemotingMessageHeaders actorMessageHeaders,
IServiceRemotingRequestMessageBody requestBody,
CancellationToken cancellationToken)
{
return(this.actorService.ActorManager
.InvokeAsync(
actorMessageHeaders.ActorId,
actorMessageHeaders.InterfaceId,
actorMessageHeaders.MethodId,
actorMessageHeaders.CallContext,
requestBody,
this.GetRemotingMessageBodyFactory(),
cancellationToken));
}
/// <summary>
/// Called by the generated proxy class to send the request to the remote object and get the response back.
/// </summary>
/// <param name="interfaceId">Id of the remote interface.</param>
/// <param name="methodId">Id of the remote method to be invokved.</param>
/// <param name="requestMsgBodyValue">Request body.</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>A task that represents the asynchronous operation async call to remote object.</returns>
protected async Task <IServiceRemotingResponseMessageBody> InvokeAsyncV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue,
CancellationToken cancellationToken)
{
var responseMsg = await this.InvokeAsyncImplV2(
interfaceId,
methodId,
requestMsgBodyValue,
cancellationToken);
return(responseMsg != null?responseMsg.GetBody()
: null);
}
////Why we pass IServiceRemotingMessageBodyFactory to this function instead of
/// setting at class level?. Since we cache MethodDispatcher for each interface ,
/// we can't set IServiceRemotingMessageBodyFactory at class level .
/// These can be cases where multiple IServiceRemotingMessageBodyFactory implmenetation
/// but single dispatcher class .
/// <summary>
///This method is used to dispatch request to the specified methodId of the
/// interface implemented by the remoted object.
/// </summary>
/// <param name="objectImplementation"></param>
/// <param name="methodId"></param>
/// <param name="requestBody"></param>
/// <param name="remotingMessageBodyFactory"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public Task <IServiceRemotingResponseMessageBody> DispatchAsync(object objectImplementation, int methodId,
IServiceRemotingRequestMessageBody requestBody,
IServiceRemotingMessageBodyFactory remotingMessageBodyFactory,
CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var dispatchTask = this.OnDispatchAsync(
methodId,
objectImplementation,
requestBody,
remotingMessageBodyFactory,
cancellationToken);
return(dispatchTask);
}
/// <summary>
/// Dispatches the messages received from the client to the actor service methods or the actor methods.
/// This can be be used by user as an independent dispatcher like short-circuiting.
/// </summary>
/// <param name="requestBody"></param>
/// <param name="cancellationToken"></param>
/// <param name="actorDispatchHeaders"></param>
/// <returns></returns>
public Task <IServiceRemotingResponseMessageBody> HandleRequestResponseAsync(
ActorRemotingDispatchHeaders actorDispatchHeaders,
IServiceRemotingRequestMessageBody requestBody,
CancellationToken cancellationToken)
{
//For Actor Service Requests
if (!string.IsNullOrEmpty(actorDispatchHeaders.ServiceInterfaceName))
{
return(base.HandleRequestResponseAsync(actorDispatchHeaders,
requestBody,
cancellationToken));
}
var header = this.CreateActorHeader(actorDispatchHeaders);
return(this.HandleActorMethodDispatchAsync(header, requestBody, cancellationToken));
}
public OutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
var json = serviceRemotingRequestMessageBody.ToString();
var bytes = Encoding.UTF8.GetBytes(json);
var segment = new ArraySegment <byte>(bytes);
var segments = new List <ArraySegment <byte> > {
segment
};
return(new OutgoingMessageBody(segments));
}
internal override Task <IServiceRemotingResponseMessage> InvokeAsyncImplV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue,
CancellationToken cancellationToken)
{
var headers = new ServiceRemotingRequestMessageHeader()
{
InterfaceId = interfaceId,
MethodId = methodId
};
return(this.partitionClientV2.InvokeAsync(
new ServiceRemotingRequestMessage(headers, requestMsgBodyValue),
cancellationToken));
}
private Task <IServiceRemotingResponseMessageBody> ActorMethodDispatch(
Remoting.V2.Builder.ActorMethodDispatcherBase methodDispatcher, ActorBase actor, int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestBody,
IServiceRemotingMessageBodyFactory remotingMessageBodyFactory, CancellationToken innerCancellationToken)
{
var actorInterfaceMethodKey =
DiagnosticsEventManager.GetInterfaceMethodKey((uint)interfaceId, (uint)methodId);
this.DiagnosticsEventManager.ActorMethodStart(actorInterfaceMethodKey, actor, RemotingListener.V2Listener);
Task <IServiceRemotingResponseMessageBody> dispatchTask;
try
{
dispatchTask = methodDispatcher.DispatchAsync(actor, methodId, requestBody, remotingMessageBodyFactory,
innerCancellationToken);
}
catch (Exception e)
{
this.DiagnosticsEventManager.ActorMethodFinish(actorInterfaceMethodKey, actor, e,
RemotingListener.V2Listener);
throw;
}
return(dispatchTask.ContinueWith(
t =>
{
IServiceRemotingResponseMessageBody responseMsgBody = null;
try
{
responseMsgBody = t.GetAwaiter().GetResult();
}
catch (Exception e)
{
this.DiagnosticsEventManager.ActorMethodFinish(actorInterfaceMethodKey, actor, e,
RemotingListener.V2Listener);
throw;
}
this.DiagnosticsEventManager.ActorMethodFinish(actorInterfaceMethodKey, actor, null,
RemotingListener.V2Listener);
return responseMsgBody;
},
TaskContinuationOptions.ExecuteSynchronously));
}
internal override Task <IServiceRemotingResponseMessage> InvokeAsyncImplV2(
int interfaceId,
int methodId,
IServiceRemotingRequestMessageBody requestMsgBodyValue,
CancellationToken cancellationToken)
{
var headers = new ActorRemotingMessageHeaders
{
ActorId = this.servicePartitionClientV2.ActorId,
InterfaceId = interfaceId,
MethodId = methodId,
CallContext = Helper.GetCallContext()
};
return(this.servicePartitionClientV2.InvokeAsync(new ServiceRemotingRequestMessage(headers,
requestMsgBodyValue), cancellationToken));
}
public OutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
using (var stream = new Messaging.SegmentedPoolMemoryStream(this.bufferPoolManager))
{
using (var writer = XmlDictionaryWriter.CreateBinaryWriter(stream))
{
this.serializer.WriteObject(writer, serviceRemotingRequestMessageBody);
writer.Flush();
return(new OutgoingMessageBody(stream.GetBuffers()));
}
}
}
public IOutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
using (var writeStream = new MemoryStream())
using (var jsonWriter = new JsonTextWriter(new StreamWriter(writeStream)))
{
_serializer.Serialize(jsonWriter, serviceRemotingRequestMessageBody);
jsonWriter.Flush();
var bytes = writeStream.ToArray();
var segment = new ArraySegment <byte>(bytes);
var segments = new List <ArraySegment <byte> > {
segment
};
return(new OutgoingMessageBody(segments));
}
}
private async Task <IServiceRemotingResponseMessageBody> HandleActorMethodDispatchAsync(
IActorRemotingMessageHeaders actorMessageHeaders, IServiceRemotingRequestMessageBody msgBody,
CancellationToken cancellationToken)
{
var startTime = DateTime.UtcNow;
IServiceRemotingResponseMessageBody retVal;
this.actorService.ActorManager.DiagnosticsEventManager.ActorRequestProcessingStart();
try
{
retVal = await this.OnDispatch(actorMessageHeaders, msgBody,
cancellationToken);
}
finally
{
this.actorService.ActorManager.DiagnosticsEventManager.ActorRequestProcessingFinish(startTime);
}
return(retVal);
}
private async Task <IServiceRemotingResponseMessage> HandleSubscriptionRequestsAsync(
IServiceRemotingRequestContext requestContext,
IServiceRemotingRequestMessageHeader messageHeaders,
IServiceRemotingRequestMessageBody requestMsgBody)
{
var actorHeaders = (IActorRemotingMessageHeaders)messageHeaders;
if (actorHeaders.MethodId == Runtime.ActorEventSubscription.SubscribeMethodId)
{
var castedRequestMsgBody =
(EventSubscriptionRequestBody)requestMsgBody.GetParameter(0, "Value",
typeof(EventSubscriptionRequestBody));
await this.actorService.ActorManager
.SubscribeAsync(
actorHeaders.ActorId,
castedRequestMsgBody.eventInterfaceId,
new ActorEventSubscriberProxy(
castedRequestMsgBody.subscriptionId,
requestContext.GetCallBackClient()));
return(null);
}
if (messageHeaders.MethodId == Runtime.ActorEventSubscription.UnSubscribeMethodId)
{
var castedRequestMsgBody =
(Actors.Remoting.EventSubscriptionRequestBody)requestMsgBody.GetParameter(0, "Value",
typeof(Actors.Remoting.EventSubscriptionRequestBody));
await this.actorService.ActorManager
.UnsubscribeAsync(
actorHeaders.ActorId,
castedRequestMsgBody.eventInterfaceId,
castedRequestMsgBody.subscriptionId);
return(null);
}
throw new MissingMethodException(string.Format(CultureInfo.CurrentCulture, SR.ErrorInvalidMethodId,
messageHeaders.MethodId));
}
public OutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
var parameters = new object[_parameterCount];
for (var i = 0; i < _parameterCount; i++)
{
parameters[i] = serviceRemotingRequestMessageBody.GetParameter(i, "", typeof(void));
}
var constructed = _payloadType.GetConstructors()[1].Invoke(parameters);
using (var stream = _createSegmentedPoolMemoryStream(_bufferPoolManager))
{
var outputStream = new OutputStream(stream);
var writer = new FastBinaryWriter <OutputStream>(outputStream);
_serializer.Serialize(constructed, writer);
outputStream.Flush();
var buffers = _getBuffers(stream);
return(new OutgoingMessageBody(buffers));
}
}
public OutgoingMessageBody Serialize(IServiceRemotingRequestMessageBody serviceRemotingRequestMessageBody)
{
if (serviceRemotingRequestMessageBody == null)
{
return(null);
}
using (var stream = new MemoryStream())
{
using (var writer = XmlDictionaryWriter.CreateBinaryWriter(stream))
{
serializer.WriteObject(writer, serviceRemotingRequestMessageBody);
writer.Flush();
var bytes = stream.ToArray();
var segments = new List <ArraySegment <byte> >();
segments.Add(new ArraySegment <byte>(bytes));
return(new OutgoingMessageBody(segments));
}
}
}
private void SendToSubscribers(int eventInterfaceId, int eventMethodId, IServiceRemotingRequestMessageBody messageBody)
{
IList <Guid> subscribersToRemove = null;
foreach (var subscriber in this.subscriberProxiesV2)
{
try
{
SendTo(subscriber.Value, eventInterfaceId, eventMethodId, messageBody);
}
catch (Exception e)
{
ActorTrace.Source.WriteWarning(
"ActorEventProxy.SendToSubscribers",
"Error while Sending Message To Subscribers : {0}",
e);
if (subscribersToRemove == null)
{
subscribersToRemove = new List <Guid> {
subscriber.Key
};
}
else
{
subscribersToRemove.Add(subscriber.Key);
}
}
}
if (subscribersToRemove != null)
{
foreach (var subscriberKey in subscribersToRemove)
{
IActorEventSubscriberProxy eventProxy;
this.subscriberProxiesV2.TryRemove(subscriberKey, out eventProxy);
}
}
}
