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#rb Zousar.Shaker #rnx #preflight 61d3729eaf44b43628f4bdc9 #ROBOMERGE-AUTHOR: devin.doucette #ROBOMERGE-SOURCE: CL 18507435 in //UE5/Release-5.0/... via CL 18507440 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v899-18417669) [CL 18507451 by devin doucette in ue5-release-engine-test branch]
126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "DerivedDataBackendInterface.h"
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#include "DerivedDataCacheUsageStats.h"
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// Macro for whether to enable the S3 backend. libcurl is not currently available on Mac.
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#if !defined(WITH_HTTP_DDC_BACKEND)
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#define WITH_HTTP_DDC_BACKEND 0
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#endif
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#if WITH_HTTP_DDC_BACKEND
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namespace UE::DerivedData::Backends
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{
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typedef TSharedPtr<class IHttpRequest> FHttpRequestPtr;
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typedef TSharedPtr<class IHttpResponse, ESPMode::ThreadSafe> FHttpResponsePtr;
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/**
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* Backend for a HTTP based caching service (Jupiter).
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**/
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class FHttpDerivedDataBackend : public FDerivedDataBackendInterface
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{
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public:
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/**
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* Creates the backend, checks health status and attempts to acquire an access token.
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*
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* @param ServiceUrl Base url to the service including schema.
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* @param Namespace Namespace to use.
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* @param OAuthProvider Url to OAuth provider, for example "https://myprovider.com/oauth2/v1/token".
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* @param OAuthClientId OAuth client identifier.
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* @param OAuthData OAuth form data to send to login service. Can either be the raw form data or a Windows network file address (starting with "\\").
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*/
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FHttpDerivedDataBackend(
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const TCHAR* ServiceUrl,
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const TCHAR* Namespace,
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const TCHAR* OAuthProvider,
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const TCHAR* OAuthClientId,
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const TCHAR* OAuthData,
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bool bReadOnly);
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~FHttpDerivedDataBackend();
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/**
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* Checks is backend is usable (reachable and accessible).
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* @return true if usable
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*/
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bool IsUsable() const { return bIsUsable; }
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/** return true if this cache is writable **/
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virtual bool IsWritable() const override
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{
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return !bReadOnly && bIsUsable;
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}
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virtual bool CachedDataProbablyExists(const TCHAR* CacheKey) override;
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virtual TBitArray<> CachedDataProbablyExistsBatch(TConstArrayView<FString> CacheKeys) override;
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virtual bool GetCachedData(const TCHAR* CacheKey, TArray<uint8>& OutData) override;
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virtual EPutStatus PutCachedData(const TCHAR* CacheKey, TArrayView<const uint8> InData, bool bPutEvenIfExists) override;
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virtual void RemoveCachedData(const TCHAR* CacheKey, bool bTransient) override;
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virtual TSharedRef<FDerivedDataCacheStatsNode> GatherUsageStats() const override;
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virtual FString GetName() const override;
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virtual bool TryToPrefetch(TConstArrayView<FString> CacheKeys) override;
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virtual bool WouldCache(const TCHAR* CacheKey, TArrayView<const uint8> InData) override;
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virtual ESpeedClass GetSpeedClass() const override;
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virtual bool ApplyDebugOptions(FBackendDebugOptions& InOptions) override;
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void SetSpeedClass(ESpeedClass InSpeedClass) { SpeedClass = InSpeedClass; }
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virtual void Put(
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TConstArrayView<FCachePutRequest> Requests,
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IRequestOwner& Owner,
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FOnCachePutComplete&& OnComplete) override;
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virtual void Get(
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TConstArrayView<FCacheGetRequest> Requests,
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IRequestOwner& Owner,
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FOnCacheGetComplete&& OnComplete) override;
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virtual void GetChunks(
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TConstArrayView<FCacheChunkRequest> Requests,
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IRequestOwner& Owner,
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FOnCacheChunkComplete&& OnComplete) override;
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static FHttpDerivedDataBackend* GetAny()
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{
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return AnyInstance;
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}
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private:
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FString Domain;
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FString Namespace;
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FString DefaultBucket;
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FString OAuthProvider;
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FString OAuthClientId;
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FString OAuthSecret;
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FCriticalSection AccessCs;
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FDerivedDataCacheUsageStats UsageStats;
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FBackendDebugOptions DebugOptions;
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FCriticalSection MissedKeysCS;
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TSet<FName> DebugMissedKeys;
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TUniquePtr<struct FRequestPool> GetRequestPools[2];
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TUniquePtr<struct FRequestPool> PutRequestPools[2];
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TUniquePtr<struct FHttpAccessToken> Access;
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bool bIsUsable;
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bool bReadOnly;
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uint32 FailedLoginAttempts;
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ESpeedClass SpeedClass;
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static inline FHttpDerivedDataBackend* AnyInstance = nullptr;
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bool IsServiceReady();
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bool AcquireAccessToken();
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bool ShouldRetryOnError(int64 ResponseCode);
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bool ShouldSimulateMiss(const TCHAR* InKey);
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};
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} // UE::DerivedData::Backends
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#endif //WITH_HTTP_DDC_BACKEND
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