FileIoDispatcherBackend.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "IO/IoDispatcherBackend.h"
#include "IO/IoStatus.h"
#include "Misc/AES.h"
#include "Misc/EnumClassFlags.h"
 
struct FIoContainerHeader;
 
namespace UE::IoStore
{
 
enum class ETocMountOptions
{
    None = 0,
    WithSoftReferences = 1 << 0,
};
ENUM_CLASS_FLAGS(ETocMountOptions);
 
class IFileIoDispatcherBackend
    : public IIoDispatcherBackend
{
public:
    virtual ~IFileIoDispatcherBackend() = default;
 
    virtual TIoStatusOr<FIoContainerHeader> Mount(
        const TCHAR* TocPath, 
        int32 Order, 
        const FGuid& EncryptionKeyGuid, 
        const FAES::FAESKey& EncryptionKey, 
        ETocMountOptions Options = ETocMountOptions::None) = 0;
    virtual bool                            Unmount(const TCHAR* TocPath) = 0;
    virtual void                            ReopenAllFileHandles() = 0;
};
 
TSharedPtr<IFileIoDispatcherBackend> MakeFileIoDispatcherBackend();
 
} // namespace UE::IoStore