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The messaging system destroys these objects with FMemory::Free, which has different alignment logic than operator new when ASAN is used, resulting in a crash. #jira none #rnx #rb Jerome.Delattre, Matt.Peters #ROBOMERGE-SOURCE: CL 17116813 in //UE5/Main/... #ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v855-17104924) [CL 17116851 by mihnea balta in ue5-release-engine-test branch]
75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "WidgetSnapshotService.h"
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#include "Misc/App.h"
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#include "WidgetSnapshotMessages.h"
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#include "IMessagingModule.h"
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#include "MessageEndpointBuilder.h"
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#include "Widgets/SWidgetSnapshotVisualizer.h"
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FWidgetSnapshotService::FWidgetSnapshotService()
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{
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if (FPlatformMisc::SupportsMessaging() && FPlatformProcess::SupportsMultithreading())
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{
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TSharedPtr<IMessageBus, ESPMode::ThreadSafe> MessageBusPtr = IMessagingModule::Get().GetDefaultBus();
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MessageEndpoint = FMessageEndpoint::Builder("FWidgetSnapshotService", MessageBusPtr.ToSharedRef())
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.ReceivingOnThread(ENamedThreads::GameThread)
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.Handling<FWidgetSnapshotRequest>(this, &FWidgetSnapshotService::HandleWidgetSnapshotRequestMessage)
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.Handling<FWidgetSnapshotResponse>(this, &FWidgetSnapshotService::HandleWidgetSnapshotResponseMessage);
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if (MessageEndpoint.IsValid())
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{
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MessageEndpoint->Subscribe<FWidgetSnapshotRequest>();
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}
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}
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}
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FGuid FWidgetSnapshotService::RequestSnapshot(const FGuid& InRemoteInstanceId, const FOnWidgetSnapshotResponse& OnResponse)
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{
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if (MessageEndpoint.IsValid())
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{
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FWidgetSnapshotRequest* WidgetSnapshotRequest = FMessageEndpoint::MakeMessage<FWidgetSnapshotRequest>();
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WidgetSnapshotRequest->TargetInstanceId = InRemoteInstanceId;
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WidgetSnapshotRequest->SnapshotRequestId = FGuid::NewGuid();
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PendingSnapshotResponseHandlers.Add(WidgetSnapshotRequest->SnapshotRequestId, OnResponse);
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MessageEndpoint->Publish(WidgetSnapshotRequest);
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return WidgetSnapshotRequest->SnapshotRequestId;
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}
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return FGuid();
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}
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void FWidgetSnapshotService::AbortSnapshotRequest(const FGuid& InSnapshotRequestId)
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{
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PendingSnapshotResponseHandlers.Remove(InSnapshotRequestId);
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}
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void FWidgetSnapshotService::HandleWidgetSnapshotRequestMessage(const FWidgetSnapshotRequest& Message, const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& Context)
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{
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if (MessageEndpoint.IsValid() && Message.TargetInstanceId == FApp::GetInstanceId())
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{
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FWidgetSnapshotData SnapshotData;
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SnapshotData.TakeSnapshot(false);
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FWidgetSnapshotResponse* WidgetSnapshotResponse = new FWidgetSnapshotResponse;
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WidgetSnapshotResponse->SnapshotRequestId = Message.SnapshotRequestId;
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SnapshotData.SaveSnapshotToBuffer(WidgetSnapshotResponse->SnapshotData);
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MessageEndpoint->Send(WidgetSnapshotResponse, Context->GetSender());
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}
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}
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void FWidgetSnapshotService::HandleWidgetSnapshotResponseMessage(const FWidgetSnapshotResponse& Message, const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& Context)
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{
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const FOnWidgetSnapshotResponse* FoundResponseHandler = PendingSnapshotResponseHandlers.Find(Message.SnapshotRequestId);
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if (FoundResponseHandler && FoundResponseHandler->IsBound())
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{
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FoundResponseHandler->Execute(Message.SnapshotData);
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PendingSnapshotResponseHandlers.Remove(Message.SnapshotRequestId);
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}
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}
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