public static Assembly OnReflectionOnlyAssemblyResolve(object sender, ResolveEventArgs args) { // loading into the reflection-only context doesn't resolve dependencies automatically. // we're faced with the choice of ignoring arguably false dependency-missing exceptions or // loading the dependent assemblies into the reflection-only context. // // i opted to load dependencies (by implementing OnReflectionOnlyAssemblyResolve) // because it's an opportunity to quickly identify assemblies that wouldn't load under // normal circumstances. try { var name = AppDomain.CurrentDomain.ApplyPolicy(args.Name); return(Assembly.ReflectionOnlyLoad(name)); } catch (IOException) { if (logger.IsVerbose2) { logger.Verbose2(FormatReflectionOnlyAssemblyResolveFailureMessage(sender, args)); } var dirName = Path.GetDirectoryName(args.RequestingAssembly.Location); var assemblyName = new AssemblyName(args.Name); var fileName = string.Format("{0}.dll", assemblyName.Name); var pathName = Path.Combine(dirName, fileName); if (logger.IsVerbose2) { logger.Verbose2("failed to find assembly {0} in {1}; searching for {2} instead.", assemblyName.FullName, dirName, pathName); } try { return(Assembly.ReflectionOnlyLoadFrom(pathName)); } catch (FileNotFoundException) { if (logger.IsVerbose2) { logger.Verbose(FormatReflectionOnlyAssemblyResolveFailureMessage(sender, args)); } throw; } } }
internal void DropExpiredMessage(MessagingStatisticsGroup.Phase phase) { MessagingStatisticsGroup.OnMessageExpired(phase); if (logger.IsVerbose2) { logger.Verbose2("Dropping an expired message: {0}", this); } ReleaseBodyAndHeaderBuffers(); }
/// <summary> /// Enqueue message for local handling after transaction completes /// </summary> /// <param name="message"></param> /// <param name="targetActivation"></param> private void EnqueueRequest(Message message, ActivationData targetActivation) { var overloadException = targetActivation.CheckOverloaded(logger); if (overloadException != null) { MessagingProcessingStatisticsGroup.OnDispatcherMessageProcessedError(message, "Overload2"); RejectMessage(message, Message.RejectionTypes.Overloaded, overloadException, "Target activation is overloaded " + targetActivation); return; } switch (targetActivation.EnqueueMessage(message)) { case ActivationData.EnqueueMessageResult.Success: // Great, nothing to do break; case ActivationData.EnqueueMessageResult.ErrorInvalidActivation: ProcessRequestToInvalidActivation(message, targetActivation.Address, targetActivation.ForwardingAddress, "EnqueueRequest"); break; case ActivationData.EnqueueMessageResult.ErrorStuckActivation: // Avoid any new call to this activation catalog.DeactivateStuckActivation(targetActivation); ProcessRequestToInvalidActivation(message, targetActivation.Address, targetActivation.ForwardingAddress, "EnqueueRequest - blocked grain"); break; default: throw new ArgumentOutOfRangeException(); } // Dont count this as end of processing. The message will come back after queueing via HandleIncomingRequest. #if DEBUG // This is a hot code path, so using #if to remove diags from Release version // Note: Caller already holds lock on activation if (logger.IsVerbose2) { logger.Verbose2(ErrorCode.Dispatcher_EnqueueMessage, "EnqueueMessage for {0}: targetActivation={1}", message.TargetActivation, targetActivation.DumpStatus()); } #endif }
public void ReceiveResponse(Message message) { if (message.Result == Message.ResponseTypes.Rejection) { if (!message.TargetSilo.Matches(this.CurrentSilo)) { // gatewayed message - gateway back to sender if (logger.IsVerbose2) logger.Verbose2(ErrorCode.Dispatcher_NoCallbackForRejectionResp, "No callback for rejection response message: {0}", message); dispatcher.Transport.SendMessage(message); return; } if (logger.IsVerbose) logger.Verbose(ErrorCode.Dispatcher_HandleMsg, "HandleMessage {0}", message); switch (message.RejectionType) { case Message.RejectionTypes.DuplicateRequest: // try to remove from callbackData, just in case it is still there. break; case Message.RejectionTypes.Overloaded: break; case Message.RejectionTypes.Unrecoverable: // fall through & reroute case Message.RejectionTypes.Transient: if (message.CacheInvalidationHeader == null) { // Remove from local directory cache. Note that SendingGrain is the original target, since message is the rejection response. // If CacheMgmtHeader is present, we already did this. Otherwise, we left this code for backward compatability. // It should be retired as we move to use CacheMgmtHeader in all relevant places. directory.InvalidateCacheEntry(message.SendingAddress); } break; default: logger.Error(ErrorCode.Dispatcher_InvalidEnum_RejectionType, "Missing enum in switch: " + message.RejectionType); break; } } CallbackData callbackData; bool found = callbacks.TryGetValue(message.Id, out callbackData); if (found) { // IMPORTANT: we do not schedule the response callback via the scheduler, since the only thing it does // is to resolve/break the resolver. The continuations/waits that are based on this resolution will be scheduled as work items. callbackData.DoCallback(message); } else { if (logger.IsVerbose) logger.Verbose(ErrorCode.Dispatcher_NoCallbackForResp, "No callback for response message: " + message); } }