FileStorageArea.h

#pragma once
 
#include "mc/_HeaderOutputPredefine.h"
 
// auto generated inclusion list
#include "mc/deps/core/file/FileAccessType.h"
#include "mc/deps/core/file/FileStats.h"
#include "mc/deps/core/file/PathBuffer.h"
#include "mc/deps/core/file/StorageAreaState.h"
#include "mc/deps/core/file/WriteOperation.h"
#include "mc/deps/core/file/file_system/TransactionFlags.h"
#include "mc/deps/core/threading/BasicLockbox.h"
#include "mc/deps/core/utility/NonOwnerPointer.h"
#include "mc/deps/core/utility/SingleThreadedLock.h"
#include "mc/deps/core/utility/Subject.h"
 
// auto generated forward declare list
// clang-format off
namespace Core { class FileIndexLru; }
namespace Core { class FileSystemImpl; }
namespace Core { class FlatFileManifestTracker; }
namespace Core { class PathView; }
namespace Core { class Result; }
namespace Core { class StorageAreasTree; }
namespace Core { class FileStorageAreaObserver; }
// clang-format on
 
namespace Core {
 
class FileStorageArea : public ::std::enable_shared_from_this<::Core::FileStorageArea> {
public:
    // FileStorageArea inner types declare
    // clang-format off
    struct StorageAreaSpaceInfo;
    // clang-format on
 
    // FileStorageArea inner types define
    enum class FlushableLevelDbEnvType : int {
        None        = 0,
        InMemory    = 1,
        StorageArea = 2,
    };
 
    struct StorageAreaSpaceInfo {
    public:
        // member variables
        // NOLINTBEGIN
        ::ll::UntypedStorage<8, 8> mUnka44c95;
        ::ll::UntypedStorage<8, 8> mUnk545140;
        ::ll::UntypedStorage<8, 8> mUnkd44356;
        ::ll::UntypedStorage<1, 1> mUnka493f5;
        // NOLINTEND
 
    public:
        // prevent constructor by default
        StorageAreaSpaceInfo& operator=(StorageAreaSpaceInfo const&);
        StorageAreaSpaceInfo(StorageAreaSpaceInfo const&);
        StorageAreaSpaceInfo();
    };
 
public:
    // member variables
    // NOLINTBEGIN
    ::ll::TypedStorage<8, 80, ::std::recursive_mutex>                     mLock;
    ::ll::TypedStorage<8, 24, ::std::vector<::Core::FileSystemImpl*>>     mAllTransactions;
    ::ll::TypedStorage<1, 1, bool>                                        mCanAttemptExtendSave;
    ::ll::TypedStorage<1, 1, bool>                                        mCachedFileUsageSize;
    ::ll::TypedStorage<8, 64, ::Core::FileStats>                          mTransactionStats;
    ::ll::TypedStorage<8, 64, ::Core::FileStats>                          mTotalStats;
    ::ll::TypedStorage<8, 16, ::std::shared_ptr<::Core::FileStorageArea>> mParent;
    ::ll::TypedStorage<4, 4, ::Core::FileAccessType>                      mAccessType;
    ::ll::TypedStorage<8, 32, ::Core::PathBuffer<::std::string>>          mRootPath;
    ::ll::TypedStorage<8, 24, ::std::vector<::Core::FileSystemImpl*>>     mWriteTransactions;
    ::ll::TypedStorage<8, 32, ::Core::Subject<::Core::FileStorageAreaObserver, ::Core::SingleThreadedLock>> mSubject;
    ::ll::TypedStorage<8, 144, ::Core::StorageAreaState>                                                    mState;
    ::ll::TypedStorage<1, 1, ::std::atomic<bool>>                                 mFileIOSuspended;
    ::ll::TypedStorage<8, 88, ::std::condition_variable_any>                      mResumeSignal;
    ::ll::TypedStorage<1, 1, bool>                                                mLoggingEnabled;
    ::ll::TypedStorage<8, 16, ::std::shared_ptr<::Core::FlatFileManifestTracker>> mManifestTracker;
    ::ll::TypedStorage<1, 1, bool>                                                mIsAccessedDirectly;
    // NOLINTEND
 
public:
    // prevent constructor by default
    FileStorageArea();
 
public:
    // virtual functions
    // NOLINTBEGIN
    virtual ~FileStorageArea();
 
    virtual ::std::unique_ptr<::Core::FileSystemImpl> createTransaction(::Core::FileAccessType accessType) = 0;
 
    virtual ::std::unique_ptr<::Core::FileSystemImpl>
    createTransaction(::Core::FileAccessType fileAccessType, ::Core::TransactionFlags);
 
    virtual bool supportsSizeQuery() const = 0;
 
    virtual uint64 getTotalSize() const = 0;
 
    virtual ::Core::Result getUsedSize(uint64& outUsedSize) = 0;
 
    virtual void setUsedSizeOverride(uint64 fileSize);
 
    virtual void clearUsedSizeOverride();
 
    virtual void notifyChangeInFileSize(int64 changeInSize, int64 changeInAllocatedSize);
 
    virtual bool handlesPendingWrites() const;
 
    virtual void informPendingWriteSize(uint64, bool const);
 
    virtual uint64 estimatePendingWriteDiskSize(uint64 rawFileSize) const;
 
    virtual void informStorageAreaCopy(uint64);
 
    virtual bool supportsExtendSize() const;
 
    virtual bool canExtendSize() const;
 
    virtual void resetCanAttemptExtendSize();
 
    virtual ::Core::Result getExtendSizeThreshold(uint64& outExtendSizeThreshold) const;
 
    virtual void attemptExtendSize(int64 const& currentFreeSpace, ::std::function<void()> onCompleteCallback);
 
    virtual void preemptiveExtendSize(
        uint64 const            expectedContentSize,
        ::std::function<void()> successCallback,
        ::std::function<void()> failureCallback
    );
 
    virtual uint64 getAvailableUserStorageSize();
 
    virtual void unloadFlatFileManifests(bool shouldClearManifests);
 
    virtual void tick();
 
    virtual void flushImmediately(::Core::PathView flushPath);
 
    virtual void enableFlushToDisk(bool);
 
    virtual void enableSequentialWrites(bool);
 
    virtual bool checkCorrupt(bool);
 
    virtual ::Bedrock::NonOwnerPointer<::Core::FileIndexLru> getFileIndexLru();
 
    virtual ::Core::FileStorageArea::FlushableLevelDbEnvType getFlushableLevelDbEnvType() const;
 
    virtual uint64 getTransactionWriteSizeLimit() const;
 
    virtual ::Core::Result setSaveDataIcon(::Core::PathView);
 
    virtual bool shouldAllowCommit() const;
 
    virtual void trackBytesWritten(::Core::PathView targetPath, uint64 amount, ::Core::WriteOperation writeOperation);
 
    virtual void trackWriteOperation(::Core::PathView targetPath, ::Core::WriteOperation writeOperation);
 
    virtual ::Core::FileStorageArea::StorageAreaSpaceInfo getStorageAreaSpaceInfo();
 
    virtual bool shouldRecordFileError(::Core::PathView path, ::std::error_code error) const;
 
    virtual ::Core::Result _commit();
 
    virtual ::Core::Result _onTransactionsEmpty(bool);
 
    virtual void _onTeardown();
    // NOLINTEND
 
public:
    // member functions
    // NOLINTBEGIN
    MCNAPI FileStorageArea(
        ::Core::FileAccessType                     type,
        ::Core::PathView                           rootPath,
        bool                                       usesFlatFiles,
        bool                                       isAccessedDirectly,
        ::std::shared_ptr<::Core::FileStorageArea> parent
    );
 
    MCNAPI void _addReadOperation(bool succeeded, uint64 numBytesRead);
 
    MCNAPI void _addWriteOperation(bool succeeded, uint64 numBytesWritten);
 
    MCNAPI void _beginTransaction(::Core::FileSystemImpl* pTransaction, bool);
 
    MCNAPI ::Core::Result _endTransaction(::Core::FileSystemImpl* pTransaction, bool fromChild);
 
#ifdef LL_PLAT_C
    MCNAPI void addObserver(::Core::FileStorageAreaObserver& observer);
#endif
 
    MCNAPI void checkUserStorage();
    // NOLINTEND
 
public:
    // static functions
    // NOLINTBEGIN
    MCNAPI static ::Core::Result
    _getStorageAreaForPathImpl(::std::shared_ptr<::Core::FileStorageArea>& fileStorageArea, ::Core::PathView path);
 
#ifdef LL_PLAT_C
    MCNAPI static void tickStorageAreas();
#endif
    // NOLINTEND
 
public:
    // static variables
    // NOLINTBEGIN
    MCNAPI static ::Bedrock::Threading::BasicLockbox<::std::vector<::Core::FileStats*>, ::std::mutex>&
    sStorageAreaFileStats();
 
    MCNAPI static ::Core::StorageAreasTree& sStorageAreas();
    // NOLINTEND
 
public:
    // constructor thunks
    // NOLINTBEGIN
    MCNAPI void* $ctor(
        ::Core::FileAccessType                     type,
        ::Core::PathView                           rootPath,
        bool                                       usesFlatFiles,
        bool                                       isAccessedDirectly,
        ::std::shared_ptr<::Core::FileStorageArea> parent
    );
    // NOLINTEND
 
public:
    // destructor thunk
    // NOLINTBEGIN
    MCNAPI void $dtor();
    // NOLINTEND
 
public:
    // virtual function thunks
    // NOLINTBEGIN
    MCNAPI ::std::unique_ptr<::Core::FileSystemImpl>
    $createTransaction(::Core::FileAccessType fileAccessType, ::Core::TransactionFlags);
 
    MCNAPI void $setUsedSizeOverride(uint64 fileSize);
 
    MCNAPI void $clearUsedSizeOverride();
 
    MCNAPI void $notifyChangeInFileSize(int64 changeInSize, int64 changeInAllocatedSize);
 
    MCNAPI bool $handlesPendingWrites() const;
 
    MCNAPI void $informPendingWriteSize(uint64, bool const);
 
    MCNAPI uint64 $estimatePendingWriteDiskSize(uint64 rawFileSize) const;
 
    MCNAPI void $informStorageAreaCopy(uint64);
 
    MCNAPI bool $supportsExtendSize() const;
 
    MCNAPI bool $canExtendSize() const;
 
    MCNAPI void $resetCanAttemptExtendSize();
 
    MCNAPI ::Core::Result $getExtendSizeThreshold(uint64& outExtendSizeThreshold) const;
 
    MCNAPI void $attemptExtendSize(int64 const& currentFreeSpace, ::std::function<void()> onCompleteCallback);
 
    MCNAPI void $preemptiveExtendSize(
        uint64 const            expectedContentSize,
        ::std::function<void()> successCallback,
        ::std::function<void()> failureCallback
    );
 
    MCNAPI uint64 $getAvailableUserStorageSize();
 
    MCNAPI void $unloadFlatFileManifests(bool shouldClearManifests);
 
    MCNAPI void $tick();
 
    MCNAPI void $flushImmediately(::Core::PathView flushPath);
 
    MCNAPI void $enableFlushToDisk(bool);
 
    MCNAPI void $enableSequentialWrites(bool);
 
    MCNAPI bool $checkCorrupt(bool);
 
    MCNAPI ::Bedrock::NonOwnerPointer<::Core::FileIndexLru> $getFileIndexLru();
 
    MCNAPI ::Core::FileStorageArea::FlushableLevelDbEnvType $getFlushableLevelDbEnvType() const;
 
    MCNAPI uint64 $getTransactionWriteSizeLimit() const;
 
    MCNAPI ::Core::Result $setSaveDataIcon(::Core::PathView);
 
    MCNAPI bool $shouldAllowCommit() const;
 
    MCNAPI void $trackBytesWritten(::Core::PathView targetPath, uint64 amount, ::Core::WriteOperation writeOperation);
 
    MCNAPI void $trackWriteOperation(::Core::PathView targetPath, ::Core::WriteOperation writeOperation);
 
    MCNAPI ::Core::FileStorageArea::StorageAreaSpaceInfo $getStorageAreaSpaceInfo();
 
    MCNAPI bool $shouldRecordFileError(::Core::PathView path, ::std::error_code error) const;
 
    MCNAPI ::Core::Result $_commit();
 
    MCNAPI ::Core::Result $_onTransactionsEmpty(bool);
 
    MCNAPI void $_onTeardown();
 
 
    // NOLINTEND
};
 
} // namespace Core