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bcat: Add backend class to generify the functions of BCAT
Provides the most abstract simplified functions of BCAT as functions. Also includes a NullBackend class which is just a no-op.
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src/core/hle/service/bcat/backend/backend.cpp
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src/core/hle/service/bcat/backend/backend.cpp
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// Copyright 2019 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/hex_util.h"
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#include "common/logging/log.h"
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#include "core/hle/service/bcat/backend/backend.h"
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namespace Service::BCAT {
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Backend::Backend(DirectoryGetter getter) : dir_getter(std::move(getter)) {}
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Backend::~Backend() = default;
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NullBackend::NullBackend(const DirectoryGetter& getter) : Backend(std::move(getter)) {}
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NullBackend::~NullBackend() = default;
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bool NullBackend::Synchronize(TitleIDVersion title, CompletionCallback callback) {
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LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}", title.title_id,
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title.build_id);
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callback(true);
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return true;
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}
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bool NullBackend::SynchronizeDirectory(TitleIDVersion title, std::string name,
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CompletionCallback callback) {
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LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}, name={}", title.title_id,
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title.build_id, name);
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callback(true);
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return true;
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}
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bool NullBackend::Clear(u64 title_id) {
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LOG_DEBUG(Service_BCAT, "called, title_id={:016X}");
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return true;
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}
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void NullBackend::SetPassphrase(u64 title_id, const Passphrase& passphrase) {
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LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, passphrase = {}", title_id,
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Common::HexArrayToString(passphrase));
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}
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} // namespace Service::BCAT
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src/core/hle/service/bcat/backend/backend.h
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src/core/hle/service/bcat/backend/backend.h
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// Copyright 2019 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <functional>
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#include "common/common_types.h"
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#include "core/file_sys/vfs_types.h"
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namespace Service::BCAT {
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using CompletionCallback = std::function<void(bool)>;
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using DirectoryGetter = std::function<FileSys::VirtualDir(u64)>;
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using Passphrase = std::array<u8, 0x20>;
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struct TitleIDVersion {
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u64 title_id;
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u64 build_id;
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};
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class Backend {
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public:
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explicit Backend(DirectoryGetter getter);
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virtual ~Backend();
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virtual bool Synchronize(TitleIDVersion title, CompletionCallback callback) = 0;
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virtual bool SynchronizeDirectory(TitleIDVersion title, std::string name,
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CompletionCallback callback) = 0;
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virtual bool Clear(u64 title_id) = 0;
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virtual void SetPassphrase(u64 title_id, const Passphrase& passphrase) = 0;
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protected:
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DirectoryGetter dir_getter;
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};
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class NullBackend : public Backend {
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public:
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explicit NullBackend(const DirectoryGetter& getter);
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~NullBackend() override;
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bool Synchronize(TitleIDVersion title, CompletionCallback callback) override;
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bool SynchronizeDirectory(TitleIDVersion title, std::string name,
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CompletionCallback callback) override;
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bool Clear(u64 title_id) override;
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void SetPassphrase(u64 title_id, const Passphrase& passphrase) override;
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};
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} // namespace Service::BCAT
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