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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
Audacity: A Digital Audio Editor
BlockHasher.h
Dmitry Vedenko
**********************************************************************/
#pragma once
#include <cstdint>
#include <functional>
#include <string>
#include <memory>
#include <vector>
#include <unordered_map>
#include "CloudSyncDTO.h"
namespace audacity::cloud::audiocom::sync
{
class BlockHashCache /* not final */
{
public:
virtual ~BlockHashCache() = default;
virtual bool GetHash(int64_t blockId, std::string& hash) const = 0;
virtual void UpdateHash(int64_t blockId, const std::string& hash) = 0;
};
class BlockHasher final
{
public:
BlockHasher();
~BlockHasher();
BlockHasher(const BlockHasher&) = delete;
BlockHasher(BlockHasher&&) = delete;
BlockHasher& operator=(const BlockHasher&) = delete;
BlockHasher& operator=(BlockHasher&&) = delete;
bool ComputeHashes(BlockHashCache& cache, std::vector<LockedBlock> blocks, std::function<void()> onComplete);
bool IsReady() const;
std::vector<std::pair<int64_t, std::string>> TakeResult();
private:
class Workers;
std::unique_ptr<Workers> mWorkers;
};
} // namespace audacity::cloud::audiocom::sync
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