82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "ILiveLinkHubMessagingModule.h"
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#include "LiveLinkHubMessages.h"
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#include "HAL/CriticalSection.h"
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#ifndef WITH_LIVELINK_DISCOVERY_MANAGER_THREAD
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#define WITH_LIVELINK_DISCOVERY_MANAGER_THREAD 1
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#endif
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class FLiveLinkHubConnectionManager;
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class FLiveLinkHubMessagingModule : public ILiveLinkHubMessagingModule
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{
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public:
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//~ Begin IModuleInterface
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virtual void StartupModule() override;
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virtual void ShutdownModule() override;
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//~ End IModuleInterface
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//~ Begin ILiveLinkHubMessagingModule interface
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virtual FOnHubConnectionEstablished& OnConnectionEstablished() override
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{
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return ConnectionEstablishedDelegate;
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}
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virtual void SetHostTopologyMode(ELiveLinkTopologyMode InMode) override;
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virtual FLiveLinkHubInstanceId GetInstanceId() const override;
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virtual void SetInstanceId(const FLiveLinkHubInstanceId& Id) override;
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virtual ELiveLinkTopologyMode GetHostTopologyMode() const override;
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//~ End ILiveLinkHubMessagingModule interface
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private:
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/**
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* Note: Invoked on the UI (Game) thread.
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* Filter invoked by the messagebus source factory to filter out sources in the creation panel.
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*/
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bool OnFilterMessageBusSource(UClass* FactoryClass, TSharedPtr<struct FProviderPollResult, ESPMode::ThreadSafe> PollResult);
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/** Handle a message telling this host to connect to a provider if the topology mode is compatible. */
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void HandleDiscoveryMessage(const FLiveLinkHubDiscoveryMessage& Message, const TSharedRef<class IMessageContext, ESPMode::ThreadSafe>& Context);
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private:
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bool bUseConnectionManager;
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#if WITH_LIVELINK_DISCOVERY_MANAGER_THREAD
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/** Manages the connection to the live link hub. */
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TPimplPtr<FLiveLinkHubConnectionManager> ConnectionManager;
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#endif
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/** Handle to the delegate used to filter message bus sources. */
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FDelegateHandle SourceFilterDelegate;
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/** Delegate called when the connection between a livelink hub and the editor is established. */
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FOnHubConnectionEstablished ConnectionEstablishedDelegate;
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/** Lock to access the instance info struct. */
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mutable FCriticalSection InstanceInfoLock;
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struct FInstanceInfo
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{
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/** Topology Mode for this host. */
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ELiveLinkTopologyMode TopologyMode = ELiveLinkTopologyMode::Hub;
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/** Instance ID for this host. */
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FLiveLinkHubInstanceId Id = FLiveLinkHubInstanceId(FGuid());
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} InstanceInfo;
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/** Critical section to protect access to the disconnected clients list. */
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FCriticalSection DisconnectedClientsLock;
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/** List of clients that were explicitly disconnected and shouldn't reconnect automatically. */
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TMap<FString, double> RecentlyDisconnectedClients;
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/** Simple endpoint meant to respond to LLH discovery messages. */
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TSharedPtr<class FMessageEndpoint> GameThreadEndpoint;
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};
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