StorageServerPackageStore.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Serialization/PackageStore.h"
#include "Templates/SharedPointer.h"
#include "HAL/Runnable.h"
 
#if !UE_BUILD_SHIPPING
 
class FStorageServerConnection;
struct FFilePackageStoreEntry;
 
class FStorageServerPackageStoreBackend
    : public IPackageStoreBackend
{
public:
    FStorageServerPackageStoreBackend(FStorageServerConnection& Connection);
    virtual ~FStorageServerPackageStoreBackend() = default;
 
    virtual void OnMounted(TSharedRef<const FPackageStoreBackendContext> Context) override
    {
    }
 
    virtual void BeginRead() override
    {
    }
 
    virtual void EndRead() override
    {
    }
 
    virtual EPackageStoreEntryStatus GetPackageStoreEntry(FPackageId PackageIde, FName PackageName,
        FPackageStoreEntry& OutPackageStoreEntry) override;
    
    virtual bool GetPackageRedirectInfo(FPackageId PackageId, FName& OutSourcePackageName, FPackageId& OutRedirectedToPackageId) override
    {
        return false;
    }
 
private:
    struct FStoreEntry
    {
        TArray<FPackageId> ImportedPackages;
        TArray<FSHAHash> ShaderMapHashes;
#if WITH_EDITOR
        EPackageStoreEntryFlags Flags;
        TArray<FPackageId> OptionalSegmentImportedPackageIds;
#endif
    };
    TMap<FPackageId, FStoreEntry> StoreEntriesMap;
 
    class FAsyncInitRunnable : public FRunnable
    {
    public:
        FAsyncInitRunnable(FStorageServerPackageStoreBackend& InOwner, FStorageServerConnection& InConnection);
        virtual ~FAsyncInitRunnable();
        void WaitForCompletion() const;
 
    private:
        virtual uint32 Run() override;
 
        FStorageServerPackageStoreBackend& Owner;
        FStorageServerConnection& Connection;
        class FEvent* IsCompleted;
    };
    TSharedPtr<FAsyncInitRunnable, ESPMode::ThreadSafe> AsyncInit;
};
 
#endif