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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "projectstore.h"
#include <unordered_set>
namespace zen {
class CidStore;
class WorkerThreadPool;
class RemoteProjectStore
{
public:
struct Result
{
int32_t ErrorCode{};
double ElapsedSeconds{};
std::string Reason;
std::string Text;
};
struct SaveResult : public Result
{
std::unordered_set<IoHash, IoHash::Hasher> Needs;
IoHash RawHash;
};
struct SaveAttachmentResult : public Result
{
};
struct SaveAttachmentsResult : public Result
{
};
struct LoadAttachmentResult : public Result
{
IoBuffer Bytes;
};
struct LoadContainerResult : public Result
{
CbObject ContainerObject;
};
struct LoadAttachmentsResult : public Result
{
std::vector<std::pair<IoHash, CompressedBuffer>> Chunks;
};
struct RemoteStoreInfo
{
bool CreateBlocks;
bool UseTempBlockFiles;
std::string Description;
};
virtual ~RemoteProjectStore() {}
virtual RemoteStoreInfo GetInfo() const = 0;
virtual SaveResult SaveContainer(const IoBuffer& Payload) = 0;
virtual SaveAttachmentResult SaveAttachment(const CompositeBuffer& Payload, const IoHash& RawHash) = 0;
virtual Result FinalizeContainer(const IoHash& RawHash) = 0;
virtual SaveAttachmentsResult SaveAttachments(const std::vector<SharedBuffer>& Payloads) = 0;
virtual LoadContainerResult LoadContainer() = 0;
virtual LoadAttachmentResult LoadAttachment(const IoHash& RawHash) = 0;
virtual LoadAttachmentsResult LoadAttachments(const std::vector<IoHash>& RawHashes) = 0;
};
struct RemoteStoreOptions
{
size_t MaxBlockSize = 128u * 1024u * 1024u;
size_t MaxChunkEmbedSize = 1024u * 1024u;
};
RemoteProjectStore::LoadContainerResult BuildContainer(
CidStore& ChunkStore,
ProjectStore::Oplog& Oplog,
size_t MaxBlockSize,
size_t MaxChunkEmbedSize,
bool BuildBlocks,
const std::function<void(CompressedBuffer&&, const IoHash&)>& AsyncOnBlock,
const std::function<void(const IoHash&)>& OnLargeAttachment,
const std::function<void(const std::unordered_set<IoHash, IoHash::Hasher>)>& OnBlockChunks);
RemoteProjectStore::Result SaveOplogContainer(ProjectStore::Oplog& Oplog,
const CbObject& ContainerObject,
const std::function<bool(const IoHash& RawHash)>& HasAttachment,
const std::function<void(const IoHash& BlockHash, std::vector<IoHash>&& Chunks)>& OnNeedBlock,
const std::function<void(const IoHash& RawHash)>& OnNeedAttachment);
RemoteProjectStore::Result SaveOplog(CidStore& ChunkStore,
RemoteProjectStore& RemoteStore,
ProjectStore::Oplog& Oplog,
size_t MaxBlockSize,
size_t MaxChunkEmbedSize,
bool BuildBlocks,
bool UseTempBlocks,
bool ForceUpload);
RemoteProjectStore::Result LoadOplog(CidStore& ChunkStore, RemoteProjectStore& RemoteStore, ProjectStore::Oplog& Oplog, bool ForceDownload);
CompressedBuffer GenerateBlock(std::vector<SharedBuffer>&& Chunks);
bool IterateBlock(IoBuffer&& CompressedBlock, std::function<void(CompressedBuffer&& Chunk, const IoHash& AttachmentHash)> Visitor);
} // namespace zen
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