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.
This commit is contained in:
Zach Hilman 2019-04-28 18:46:46 -04:00
parent 647992e666
commit 2c0b75a744
2 changed files with 100 additions and 0 deletions

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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/hex_util.h"
#include "common/logging/log.h"
#include "core/hle/service/bcat/backend/backend.h"
namespace Service::BCAT {
Backend::Backend(DirectoryGetter getter) : dir_getter(std::move(getter)) {}
Backend::~Backend() = default;
NullBackend::NullBackend(const DirectoryGetter& getter) : Backend(std::move(getter)) {}
NullBackend::~NullBackend() = default;
bool NullBackend::Synchronize(TitleIDVersion title, CompletionCallback callback) {
LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}", title.title_id,
title.build_id);
callback(true);
return true;
}
bool NullBackend::SynchronizeDirectory(TitleIDVersion title, std::string name,
CompletionCallback callback) {
LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, build_id={:016X}, name={}", title.title_id,
title.build_id, name);
callback(true);
return true;
}
bool NullBackend::Clear(u64 title_id) {
LOG_DEBUG(Service_BCAT, "called, title_id={:016X}");
return true;
}
void NullBackend::SetPassphrase(u64 title_id, const Passphrase& passphrase) {
LOG_DEBUG(Service_BCAT, "called, title_id={:016X}, passphrase = {}", title_id,
Common::HexArrayToString(passphrase));
}
} // namespace Service::BCAT

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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 "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;
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;
};
} // namespace Service::BCAT