protected SystemTarget(GrainId grainId, SiloAddress silo, bool lowPriority)
{
GrainId = grainId;
Silo = silo;
ActivationId = ActivationId.GetSystemActivation(grainId, silo);
SchedulingContext = new SchedulingContext(this, lowPriority);
}
public Message CreateResponseMessage()
{
var response = new Message(this.Category, Directions.Response)
{
Id = this.Id,
IsReadOnly = this.IsReadOnly,
IsAlwaysInterleave = this.IsAlwaysInterleave,
TargetSilo = this.SendingSilo
};
if (this.ContainsHeader(Header.SENDING_GRAIN))
{
response.SetHeader(Header.TARGET_GRAIN, this.GetHeader(Header.SENDING_GRAIN));
if (this.ContainsHeader(Header.SENDING_ACTIVATION))
{
response.SetHeader(Header.TARGET_ACTIVATION, this.GetHeader(Header.SENDING_ACTIVATION));
}
}
response.SendingSilo = this.TargetSilo;
if (this.ContainsHeader(Header.TARGET_GRAIN))
{
response.SetHeader(Header.SENDING_GRAIN, this.GetHeader(Header.TARGET_GRAIN));
if (this.ContainsHeader(Header.TARGET_ACTIVATION))
{
response.SetHeader(Header.SENDING_ACTIVATION, this.GetHeader(Header.TARGET_ACTIVATION));
}
else if (this.TargetGrain.IsSystemTarget)
{
response.SetHeader(Header.SENDING_ACTIVATION, ActivationId.GetSystemActivation(TargetGrain, TargetSilo));
}
}
if (this.ContainsHeader(Header.TIMESTAMPS))
{
response.SetHeader(Header.TIMESTAMPS, this.GetHeader(Header.TIMESTAMPS));
}
if (this.ContainsHeader(Header.DEBUG_CONTEXT))
{
response.SetHeader(Header.DEBUG_CONTEXT, this.GetHeader(Header.DEBUG_CONTEXT));
}
if (this.ContainsHeader(Header.CACHE_INVALIDATION_HEADER))
{
response.SetHeader(Header.CACHE_INVALIDATION_HEADER, this.GetHeader(Header.CACHE_INVALIDATION_HEADER));
}
if (this.ContainsHeader(Header.EXPIRATION))
{
response.SetHeader(Header.EXPIRATION, this.GetHeader(Header.EXPIRATION));
}
if (Message.WriteMessagingTraces)
{
response.AddTimestamp(LifecycleTag.CreateResponse);
}
RequestContext.ExportToMessage(response);
return(response);
}
internal SystemTarget(GrainId grainId, SiloAddress silo, bool lowPriority, ILoggerFactory loggerFactory)
{
this.grainId = grainId;
Silo = silo;
this.loggerFactory = loggerFactory;
ActivationId = ActivationId.GetSystemActivation(grainId, silo);
schedulingContext = new SchedulingContext(this, lowPriority);
this.timerLogger = loggerFactory.CreateLogger <GrainTimer>();
}
internal SystemTarget(GrainId grainId, SiloAddress silo, bool lowPriority, ILoggerFactory loggerFactory)
{
this.grainId = grainId;
this.Silo = silo;
this.ActivationAddress = ActivationAddress.GetAddress(this.Silo, this.grainId, this.ActivationId);
this.ActivationId = ActivationId.GetSystemActivation(grainId, silo);
this.IsLowPriority = lowPriority;
this.timerLogger = loggerFactory.CreateLogger <GrainTimer>();
}
public Message CreateResponseMessage(Message request)
{
var response = new Message
{
Category = request.Category,
Direction = Message.Directions.Response,
Id = request.Id,
IsReadOnly = request.IsReadOnly,
IsAlwaysInterleave = request.IsAlwaysInterleave,
TargetSilo = request.SendingSilo,
TraceContext = request.TraceContext,
TransactionInfo = request.TransactionInfo
};
if (request.SendingGrain != null)
{
response.TargetGrain = request.SendingGrain;
if (request.SendingActivation != null)
{
response.TargetActivation = request.SendingActivation;
}
}
response.SendingSilo = request.TargetSilo;
if (request.TargetGrain != null)
{
response.SendingGrain = request.TargetGrain;
if (request.TargetActivation != null)
{
response.SendingActivation = request.TargetActivation;
}
else if (request.TargetGrain.IsSystemTarget)
{
response.SendingActivation = ActivationId.GetSystemActivation(request.TargetGrain, request.TargetSilo);
}
}
if (request.DebugContext != null)
{
response.DebugContext = request.DebugContext;
}
response.CacheInvalidationHeader = request.CacheInvalidationHeader;
response.TimeToLive = request.TimeToLive;
var contextData = RequestContextExtensions.Export(this.serializationManager);
if (contextData != null)
{
response.RequestContextData = contextData;
}
messagingTrace.OnCreateMessage(response);
return(response);
}
public Message CreateResponseMessage()
{
var response = new Message(this.Category, Directions.Response)
{
Id = this.Id,
IsReadOnly = this.IsReadOnly,
IsAlwaysInterleave = this.IsAlwaysInterleave,
TargetSilo = this.SendingSilo
};
if (this.ContainsHeader(Header.SENDING_GRAIN))
{
response.SetHeader(Header.TARGET_GRAIN, this.GetHeader(Header.SENDING_GRAIN));
if (this.ContainsHeader(Header.SENDING_ACTIVATION))
{
response.SetHeader(Header.TARGET_ACTIVATION, this.GetHeader(Header.SENDING_ACTIVATION));
}
}
response.SendingSilo = this.TargetSilo;
if (this.ContainsHeader(Header.TARGET_GRAIN))
{
response.SetHeader(Header.SENDING_GRAIN, this.GetHeader(Header.TARGET_GRAIN));
if (this.ContainsHeader(Header.TARGET_ACTIVATION))
{
response.SetHeader(Header.SENDING_ACTIVATION, this.GetHeader(Header.TARGET_ACTIVATION));
}
else if (this.TargetGrain.IsSystemTarget)
{
response.SetHeader(Header.SENDING_ACTIVATION, ActivationId.GetSystemActivation(TargetGrain, TargetSilo));
}
}
if (this.ContainsHeader(Header.DEBUG_CONTEXT))
{
response.SetHeader(Header.DEBUG_CONTEXT, this.GetHeader(Header.DEBUG_CONTEXT));
}
if (this.ContainsHeader(Header.CACHE_INVALIDATION_HEADER))
{
response.SetHeader(Header.CACHE_INVALIDATION_HEADER, this.GetHeader(Header.CACHE_INVALIDATION_HEADER));
}
if (this.ContainsHeader(Header.EXPIRATION))
{
response.SetHeader(Header.EXPIRATION, this.GetHeader(Header.EXPIRATION));
}
var contextData = RequestContext.Export();
if (contextData != null)
{
response.RequestContextData = contextData;
}
return(response);
}
public Message CreateResponseMessage(Message request)
{
var response = new Message
{
Category = request.Category,
Direction = Message.Directions.Response,
Id = request.Id,
IsReadOnly = request.IsReadOnly,
IsAlwaysInterleave = request.IsAlwaysInterleave,
TargetSilo = request.SendingSilo
};
if (request.SendingGrain != null)
{
response.TargetGrain = request.SendingGrain;
if (request.SendingActivation != null)
{
response.TargetActivation = request.SendingActivation;
}
}
response.SendingSilo = request.TargetSilo;
if (request.TargetGrain != null)
{
response.SendingGrain = request.TargetGrain;
if (request.TargetActivation != null)
{
response.SendingActivation = request.TargetActivation;
}
else if (request.TargetGrain.IsSystemTarget)
{
response.SendingActivation = ActivationId.GetSystemActivation(request.TargetGrain, request.TargetSilo);
}
}
if (request.DebugContext != null)
{
response.DebugContext = request.DebugContext;
}
response.CacheInvalidationHeader = request.CacheInvalidationHeader;
response.Expiration = request.Expiration;
var contextData = RequestContext.Export();
if (contextData != null)
{
response.RequestContextData = contextData;
}
return(response);
}
internal void SendSystemTargetMessage(Message message)
{
message.Category = message.TargetGrain.Equals(Constants.MembershipOracleId) ?
Message.Categories.Ping : Message.Categories.System;
if (message.TargetSilo == null)
{
message.TargetSilo = Transport.MyAddress;
}
if (message.TargetActivation == null)
{
message.TargetActivation = ActivationId.GetSystemActivation(message.TargetGrain, message.TargetSilo);
}
TransportMessage(message);
}
private void SendRequestMessage(
GrainReference target,
Message message,
TaskCompletionSource <object> context,
Action <Message, TaskCompletionSource <object> > callback,
string debugContext,
InvokeMethodOptions options,
string genericArguments = null)
{
// fill in sender
if (message.SendingSilo == null)
{
message.SendingSilo = MySilo;
}
if (!String.IsNullOrEmpty(genericArguments))
{
message.GenericGrainType = genericArguments;
}
SchedulingContext schedulingContext = RuntimeContext.Current != null ?
RuntimeContext.Current.ActivationContext as SchedulingContext : null;
ActivationData sendingActivation = null;
if (schedulingContext == null)
{
throw new InvalidOperationException(
String.Format("Trying to send a message {0} on a silo not from within grain and not from within system target (RuntimeContext is not set to SchedulingContext) "
+ "RuntimeContext.Current={1} TaskScheduler.Current={2}",
message,
RuntimeContext.Current == null ? "null" : RuntimeContext.Current.ToString(),
TaskScheduler.Current));
}
switch (schedulingContext.ContextType)
{
case SchedulingContextType.SystemThread:
throw new ArgumentException(
String.Format("Trying to send a message {0} on a silo not from within grain and not from within system target (RuntimeContext is of SchedulingContextType.SystemThread type)", message), "context");
case SchedulingContextType.Activation:
message.SendingActivation = schedulingContext.Activation.ActivationId;
message.SendingGrain = schedulingContext.Activation.Grain;
sendingActivation = schedulingContext.Activation;
break;
case SchedulingContextType.SystemTarget:
message.SendingActivation = schedulingContext.SystemTarget.ActivationId;
message.SendingGrain = ((ISystemTargetBase)schedulingContext.SystemTarget).GrainId;
break;
}
// fill in destination
var targetGrainId = target.GrainId;
message.TargetGrain = targetGrainId;
if (targetGrainId.IsSystemTarget)
{
SiloAddress targetSilo = (target.SystemTargetSilo ?? MySilo);
message.TargetSilo = targetSilo;
message.TargetActivation = ActivationId.GetSystemActivation(targetGrainId, targetSilo);
message.Category = targetGrainId.Equals(Constants.MembershipOracleId) ?
Message.Categories.Ping : Message.Categories.System;
}
if (target.IsObserverReference)
{
message.TargetObserverId = target.ObserverId;
}
if (debugContext != null)
{
message.DebugContext = debugContext;
}
var oneWay = (options & InvokeMethodOptions.OneWay) != 0;
if (context == null && !oneWay)
{
logger.Warn(ErrorCode.IGC_SendRequest_NullContext, "Null context {0}: {1}", message, Utils.GetStackTrace());
}
if (message.IsExpirableMessage(Config.Globals))
{
message.TimeToLive = ResponseTimeout;
}
if (!oneWay)
{
var callbackData = new CallbackData(
callback,
tryResendMessage,
context,
message,
unregisterCallback,
Config.Globals);
callbacks.TryAdd(message.Id, callbackData);
callbackData.StartTimer(ResponseTimeout);
}
if (targetGrainId.IsSystemTarget)
{
// Messages to system targets bypass the task system and get sent "in-line"
this.Dispatcher.TransportMessage(message);
}
else
{
this.Dispatcher.SendMessage(message, sendingActivation);
}
}
public void SendRequest(
GrainReference target,
InvokeMethodRequest request,
TaskCompletionSource <object> context,
string debugContext,
InvokeMethodOptions options,
string genericArguments = null)
{
var message = this.messageFactory.CreateMessage(request, options);
// fill in sender
if (message.SendingSilo == null)
{
message.SendingSilo = MySilo;
}
if (!String.IsNullOrEmpty(genericArguments))
{
message.GenericGrainType = genericArguments;
}
SchedulingContext schedulingContext = RuntimeContext.CurrentActivationContext as SchedulingContext;
ActivationData sendingActivation = null;
if (schedulingContext == null)
{
var clientAddress = this.HostedClient.ClientAddress;
message.SendingGrain = clientAddress.Grain;
message.SendingActivation = clientAddress.Activation;
}
else
{
switch (schedulingContext.ContextType)
{
case SchedulingContextType.SystemThread:
throw new ArgumentException(
String.Format(
"Trying to send a message {0} on a silo not from within grain and not from within system target (RuntimeContext is of SchedulingContextType.SystemThread type)",
message),
"context");
case SchedulingContextType.Activation:
message.SendingActivation = schedulingContext.Activation.ActivationId;
message.SendingGrain = schedulingContext.Activation.Grain;
sendingActivation = schedulingContext.Activation;
break;
case SchedulingContextType.SystemTarget:
message.SendingActivation = schedulingContext.SystemTarget.ActivationId;
message.SendingGrain = ((ISystemTargetBase)schedulingContext.SystemTarget).GrainId;
break;
}
}
// fill in destination
var targetGrainId = target.GrainId;
message.TargetGrain = targetGrainId;
SharedCallbackData sharedData;
if (targetGrainId.IsSystemTarget)
{
SiloAddress targetSilo = (target.SystemTargetSilo ?? MySilo);
message.TargetSilo = targetSilo;
message.TargetActivation = ActivationId.GetSystemActivation(targetGrainId, targetSilo);
message.Category = targetGrainId.Equals(Constants.MembershipOracleId) ?
Message.Categories.Ping : Message.Categories.System;
sharedData = this.systemSharedCallbackData;
}
else
{
sharedData = this.sharedCallbackData;
}
if (target.IsObserverReference)
{
message.TargetObserverId = target.ObserverId;
}
if (debugContext != null)
{
message.DebugContext = debugContext;
}
var oneWay = (options & InvokeMethodOptions.OneWay) != 0;
if (context is null && !oneWay)
{
this.logger.Warn(ErrorCode.IGC_SendRequest_NullContext, "Null context {0}: {1}", message, Utils.GetStackTrace());
}
if (message.IsExpirableMessage(this.messagingOptions.DropExpiredMessages))
{
message.TimeToLive = sharedData.ResponseTimeout;
}
if (!oneWay)
{
var callbackData = new CallbackData(sharedData, context, message);
callbacks.TryAdd(message.Id, callbackData);
}
this.messagingTrace.OnSendRequest(message);
if (targetGrainId.IsSystemTarget)
{
// Messages to system targets bypass the task system and get sent "in-line"
this.Dispatcher.TransportMessage(message);
}
else
{
this.Dispatcher.SendMessage(message, sendingActivation);
}
}
