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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include <zencore/iobuffer.h>
#include <zencore/iohash.h>
#include <zencore/zencore.h>
#include <memory>
class ZenCacheStore;
namespace zen {
class CidStore;
struct UpstreamCacheKey
{
std::string Bucket;
IoHash Hash;
};
struct UpstreamPayloadKey
{
UpstreamCacheKey CacheKey;
IoHash PayloadId;
};
struct UpstreamCacheRecord
{
ZenContentType Type = ZenContentType::kBinary;
UpstreamCacheKey CacheKey;
std::vector<IoHash> PayloadIds;
};
struct UpstreamCacheOptions
{
uint32_t ThreadCount = 4;
bool JupiterEnabled = true;
std::string_view JupiterEndpoint;
std::string_view JupiterDdcNamespace;
std::string_view JupiterBlobStoreNamespace;
std::string_view JupiterOAuthProvider;
std::string_view JupiterOAuthClientId;
std::string_view JupiterOAuthSecret;
};
/**
* Manages one or more upstream cache endpoints.
*/
class UpstreamCache
{
public:
virtual ~UpstreamCache() = default;
struct GetCacheRecordResult
{
IoBuffer Value;
bool Success = false;
};
virtual GetCacheRecordResult GetCacheRecord(UpstreamCacheKey CacheKey, ZenContentType Type) = 0;
struct GetCachePayloadResult
{
IoBuffer Payload;
bool Success = false;
};
virtual GetCachePayloadResult GetCachePayload(UpstreamPayloadKey PayloadKey) = 0;
struct EnqueueResult
{
bool Success = false;
};
virtual EnqueueResult EnqueueUpstream(UpstreamCacheRecord CacheRecord) = 0;
};
std::unique_ptr<UpstreamCache> MakeUpstreamCache(const UpstreamCacheOptions& Options, ::ZenCacheStore& CacheStore, CidStore& CidStore);
} // namespace zen
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