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85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Misc/Guid.h"
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#include "IMessageContext.h"
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#include "IMessageRpcCall.h"
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#include "IMessageRpcClient.h"
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class FMessageEndpoint;
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struct FMessageRpcProgress;
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/**
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* Implements an RPC client.
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*/
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class FMessageRpcClient
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: public IMessageRpcClient
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{
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public:
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/** Default constructor. */
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FMessageRpcClient();
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/** Virtual destructor. */
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virtual ~FMessageRpcClient();
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public:
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//~ IMessageRpcClient interface
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virtual void Connect(const FMessageAddress& InServerAddress) override;
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virtual void Disconnect() override;
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virtual bool IsConnected() const override;
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protected:
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/**
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* Find the active RPC call for a received message.
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*
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* @param Context The context of the received message.
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* @return The matching call object, or nullptr if not found.
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*/
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TSharedPtr<IMessageRpcCall> FindCall(const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& Context);
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/**
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* Sends an RPC call to the server.
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*
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* @param Call The RPC call to make.
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*/
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void SendCall(const TSharedPtr<IMessageRpcCall>& Call);
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protected:
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//~ IMessageRpcClient interface
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virtual void AddCall(const TSharedRef<IMessageRpcCall>& Call) override;
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virtual void CancelCall(const FGuid& CallId) override;
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private:
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/** Callback for FMessageRpcProgress messages. */
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void HandleProgressMessage(const FMessageRpcProgress& Message, const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& Context);
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/** Callback for handling all message types. */
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void HandleRpcMessages(const TSharedRef<IMessageContext, ESPMode::ThreadSafe>& Context);
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/** Callback for the ticker. */
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bool HandleTicker(float DeltaTime);
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private:
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/** Active RPC calls. */
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TMap<FGuid, TSharedPtr<IMessageRpcCall>> Calls;
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/** Message endpoint. */
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TSharedPtr<FMessageEndpoint, ESPMode::ThreadSafe> MessageEndpoint;
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/** The RPC server's address. */
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FMessageAddress ServerAddress;
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/** Handle to the registered ticker. */
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FDelegateHandle TickerHandle;
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};
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