94 lines
3.3 KiB
C++
94 lines
3.3 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 FLiveLinkHubMessageBusSource;
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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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virtual bool RegisterAuxChannelRequestHandler(UScriptStruct* InRequestTypeStruct, FAuxChannelRequestHandlerFunc&& InHandlerFunc) override;
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virtual bool UnregisterAuxChannelRequestHandler(UScriptStruct* InRequestTypeStruct) override;
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//~ End ILiveLinkHubMessagingModule interface
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/** Used by the LiveLinkHubMessageBusSource to acquire a control channel when it's created. */
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TSharedPtr<class FLiveLinkHubControlChannel> GetControlChannel();
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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 discovery request from LLH to populate its address book with the ControlEndpoint's address. */
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void OnDiscoveryRequest(const struct FMessageAddress& RemoteAddress) const;
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/** Handle aux channel request messages. */
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bool OnAuxRequest(const FLiveLinkHubAuxChannelRequestMessage& InMessage, const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& InContext);
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/** Register settings related to LiveLinkHub messaging. */
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void RegisterSettings();
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/** Unregister settings related to LiveLinkHub messaging. */
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void UnregisterSettings();
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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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/** Control channel used to communicate with LLH Providers built on 5.7+. */
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TSharedPtr<class FLiveLinkHubControlChannel> ControlChannel;
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TMap<const UScriptStruct*, FAuxChannelRequestHandlerFunc> AuxChannelRequestHandlers;
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};
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