GenericPlatformOutputDevices.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "Containers/UnrealString.h"
#include "CoreTypes.h"
#include "GenericPlatform/GenericPlatform.h"
#include "HAL/CriticalSection.h"
#include "Templates/UniquePtr.h"
 
class FFeedbackContext;
class FOutputDevice;
class FOutputDeviceConsole;
class FOutputDeviceError;
 
struct FGenericPlatformOutputDevices
{
    CORE_API static void                SetupOutputDevices();
 
    CORE_API static FString             GetAbsoluteLogFilename();
    CORE_API static FOutputDevice*      GetLog();
    CORE_API static void                GetPerChannelFileOverrides(TArray<FOutputDevice*>& OutputDevices);
    static FOutputDevice*               GetEventLog()
    {
        return nullptr; // normally only used for dedicated servers
    }
 
    CORE_API static FOutputDeviceError* GetError();
    CORE_API static FFeedbackContext*   GetFeedbackContext();
 
protected:
    static void ResetCachedAbsoluteFilename();
 
private:
    static constexpr SIZE_T AbsoluteFileNameMaxLength = 1024;
    static TCHAR CachedAbsoluteFilename[AbsoluteFileNameMaxLength];
 
    static void OnLogFileOpened(const TCHAR* Pathname);
    static FCriticalSection LogFilenameLock;
};