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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <functional>
#include <optional>
#include "common/common_types.h"
#include "core/file_sys/vfs_types.h"
namespace Service::BCAT {
using CompletionCallback = std::function<void(bool)>;
using DirectoryGetter = std::function<FileSys::VirtualDir(u64)>;
using Passphrase = std::array<u8, 0x20>;
struct TitleIDVersion {
u64 title_id;
u64 build_id;
};
class Backend {
public:
explicit Backend(DirectoryGetter getter);
virtual ~Backend();
virtual bool Synchronize(TitleIDVersion title, CompletionCallback callback) = 0;
virtual bool SynchronizeDirectory(TitleIDVersion title, std::string name,
CompletionCallback callback) = 0;
virtual bool Clear(u64 title_id) = 0;
virtual void SetPassphrase(u64 title_id, const Passphrase& passphrase) = 0;
virtual std::optional<std::vector<u8>> GetLaunchParameter(TitleIDVersion title) = 0;
protected:
DirectoryGetter dir_getter;
};
class NullBackend : public Backend {
public:
explicit NullBackend(const DirectoryGetter& getter);
~NullBackend() override;
bool Synchronize(TitleIDVersion title, CompletionCallback callback) override;
bool SynchronizeDirectory(TitleIDVersion title, std::string name,
CompletionCallback callback) override;
bool Clear(u64 title_id) override;
void SetPassphrase(u64 title_id, const Passphrase& passphrase) override;
std::optional<std::vector<u8>> GetLaunchParameter(TitleIDVersion title) override;
};
std::unique_ptr<Backend> CreateBackendFromSettings(DirectoryGetter getter);
} // namespace Service::BCAT
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