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file_sys/registered_cache: Use unique_ptr and regular pointers instead of shared_ptrs where applicable

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The data retrieved in these cases are ultimately chiefly owned by either
the RegisteredCache instance itself, or the filesystem factories. Both
these should live throughout the use of their contained data. If they
don't, it should be considered an interface/design issue, and using
shared_ptr instances here would mask that, as the data would always be
prolonged after the main owner's lifetime ended.

This makes the lifetime of the data explicit and makes it harder to
accidentally create cyclic references. It also makes the interface
slightly more flexible than the previous API, as a shared_ptr can be
created from a unique_ptr, but not the other way around, so this allows
for that use-case if it ever becomes necessary in some form.
This commit is contained in:
Lioncash 2018-10-16 09:05:47 -04:00
parent 548958bcaf
commit 39ae73b356
12 changed files with 53 additions and 51 deletions
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12
src/core/file_sys/bis_factory.cpp
View File

@ -10,19 +10,19 @@ namespace FileSys {
BISFactory::BISFactory(VirtualDir nand_root_, VirtualDir load_root_)
: nand_root(std::move(nand_root_)), load_root(std::move(load_root_)),
sysnand_cache(std::make_shared<RegisteredCache>(
sysnand_cache(std::make_unique<RegisteredCache>(
GetOrCreateDirectoryRelative(nand_root, "/system/Contents/registered"))),
usrnand_cache(std::make_shared<RegisteredCache>(
usrnand_cache(std::make_unique<RegisteredCache>(
GetOrCreateDirectoryRelative(nand_root, "/user/Contents/registered"))) {}
BISFactory::~BISFactory() = default;
std::shared_ptr<RegisteredCache> BISFactory::GetSystemNANDContents() const {
return sysnand_cache;
RegisteredCache* BISFactory::GetSystemNANDContents() const {
return sysnand_cache.get();
}
std::shared_ptr<RegisteredCache> BISFactory::GetUserNANDContents() const {
return usrnand_cache;
RegisteredCache* BISFactory::GetUserNANDContents() const {
return usrnand_cache.get();
}
VirtualDir BISFactory::GetModificationLoadRoot(u64 title_id) const {

8
src/core/file_sys/bis_factory.h
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@ -20,8 +20,8 @@ public:
explicit BISFactory(VirtualDir nand_root, VirtualDir load_root);
~BISFactory();
std::shared_ptr<RegisteredCache> GetSystemNANDContents() const;
std::shared_ptr<RegisteredCache> GetUserNANDContents() const;
RegisteredCache* GetSystemNANDContents() const;
RegisteredCache* GetUserNANDContents() const;
VirtualDir GetModificationLoadRoot(u64 title_id) const;
@ -29,8 +29,8 @@ private:
VirtualDir nand_root;
VirtualDir load_root;
std::shared_ptr<RegisteredCache> sysnand_cache;
std::shared_ptr<RegisteredCache> usrnand_cache;
std::unique_ptr<RegisteredCache> sysnand_cache;
std::unique_ptr<RegisteredCache> usrnand_cache;
};
} // namespace FileSys

2
src/core/file_sys/patch_manager.cpp
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@ -346,7 +346,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
}
std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
const auto& installed{Service::FileSystem::GetUnionContents()};
const auto installed{Service::FileSystem::GetUnionContents()};
const auto base_control_nca = installed->GetEntry(title_id, ContentRecordType::Control);
if (base_control_nca == nullptr)

14
src/core/file_sys/registered_cache.cpp
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@ -308,14 +308,14 @@ VirtualFile RegisteredCache::GetEntryRaw(RegisteredCacheEntry entry) const {
return GetEntryRaw(entry.title_id, entry.type);
}
std::shared_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType type) const {
std::unique_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType type) const {
const auto raw = GetEntryRaw(title_id, type);
if (raw == nullptr)
return nullptr;
return std::make_shared<NCA>(raw);
return std::make_unique<NCA>(raw);
}
std::shared_ptr<NCA> RegisteredCache::GetEntry(RegisteredCacheEntry entry) const {
std::unique_ptr<NCA> RegisteredCache::GetEntry(RegisteredCacheEntry entry) const {
return GetEntry(entry.title_id, entry.type);
}
@ -516,7 +516,7 @@ bool RegisteredCache::RawInstallYuzuMeta(const CNMT& cnmt) {
}) != yuzu_meta.end();
}
RegisteredCacheUnion::RegisteredCacheUnion(std::vector<std::shared_ptr<RegisteredCache>> caches)
RegisteredCacheUnion::RegisteredCacheUnion(std::vector<RegisteredCache*> caches)
: caches(std::move(caches)) {}
void RegisteredCacheUnion::Refresh() {
@ -572,14 +572,14 @@ VirtualFile RegisteredCacheUnion::GetEntryRaw(RegisteredCacheEntry entry) const
return GetEntryRaw(entry.title_id, entry.type);
}
std::shared_ptr<NCA> RegisteredCacheUnion::GetEntry(u64 title_id, ContentRecordType type) const {
std::unique_ptr<NCA> RegisteredCacheUnion::GetEntry(u64 title_id, ContentRecordType type) const {
const auto raw = GetEntryRaw(title_id, type);
if (raw == nullptr)
return nullptr;
return std::make_shared<NCA>(raw);
return std::make_unique<NCA>(raw);
}
std::shared_ptr<NCA> RegisteredCacheUnion::GetEntry(RegisteredCacheEntry entry) const {
std::unique_ptr<NCA> RegisteredCacheUnion::GetEntry(RegisteredCacheEntry entry) const {
return GetEntry(entry.title_id, entry.type);
}

12
src/core/file_sys/registered_cache.h
View File

@ -88,8 +88,8 @@ public:
VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
std::shared_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
std::shared_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
std::unique_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
std::vector<RegisteredCacheEntry> ListEntries() const;
// If a parameter is not boost::none, it will be filtered for from all entries.
@ -142,7 +142,7 @@ private:
// Combines multiple RegisteredCaches (i.e. SysNAND, UserNAND, SDMC) into one interface.
class RegisteredCacheUnion {
public:
explicit RegisteredCacheUnion(std::vector<std::shared_ptr<RegisteredCache>> caches);
explicit RegisteredCacheUnion(std::vector<RegisteredCache*> caches);
void Refresh();
@ -157,8 +157,8 @@ public:
VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
std::shared_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
std::shared_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
std::unique_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
std::vector<RegisteredCacheEntry> ListEntries() const;
// If a parameter is not boost::none, it will be filtered for from all entries.
@ -168,7 +168,7 @@ public:
boost::optional<u64> title_id = boost::none) const;
private:
std::vector<std::shared_ptr<RegisteredCache>> caches;
std::vector<RegisteredCache*> caches;
};
} // namespace FileSys

8
src/core/file_sys/sdmc_factory.cpp
View File

@ -10,10 +10,10 @@
namespace FileSys {
SDMCFactory::SDMCFactory(VirtualDir dir_)
: dir(std::move(dir_)), contents(std::make_shared<RegisteredCache>(
: dir(std::move(dir_)), contents(std::make_unique<RegisteredCache>(
GetOrCreateDirectoryRelative(dir, "/Nintendo/Contents/registered"),
[](const VirtualFile& file, const NcaID& id) {
return std::make_shared<NAX>(file, id)->GetDecrypted();
return NAX{file, id}.GetDecrypted();
})) {}
SDMCFactory::~SDMCFactory() = default;
@ -22,8 +22,8 @@ ResultVal<VirtualDir> SDMCFactory::Open() {
return MakeResult<VirtualDir>(dir);
}
std::shared_ptr<RegisteredCache> SDMCFactory::GetSDMCContents() const {
return contents;
RegisteredCache* SDMCFactory::GetSDMCContents() const {
return contents.get();
}
} // namespace FileSys

4
src/core/file_sys/sdmc_factory.h
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@ -19,12 +19,12 @@ public:
~SDMCFactory();
ResultVal<VirtualDir> Open();
std::shared_ptr<RegisteredCache> GetSDMCContents() const;
RegisteredCache* GetSDMCContents() const;
private:
VirtualDir dir;
std::shared_ptr<RegisteredCache> contents;
std::unique_ptr<RegisteredCache> contents;
};
} // namespace FileSys

13
src/core/hle/service/filesystem/filesystem.cpp
View File

@ -319,13 +319,12 @@ ResultVal<FileSys::VirtualDir> OpenSDMC() {
return sdmc_factory->Open();
}
std::shared_ptr<FileSys::RegisteredCacheUnion> GetUnionContents() {
return std::make_shared<FileSys::RegisteredCacheUnion>(
std::vector<std::shared_ptr<FileSys::RegisteredCache>>{
GetSystemNANDContents(), GetUserNANDContents(), GetSDMCContents()});
std::unique_ptr<FileSys::RegisteredCacheUnion> GetUnionContents() {
return std::make_unique<FileSys::RegisteredCacheUnion>(std::vector<FileSys::RegisteredCache*>{
GetSystemNANDContents(), GetUserNANDContents(), GetSDMCContents()});
}
std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents() {
FileSys::RegisteredCache* GetSystemNANDContents() {
LOG_TRACE(Service_FS, "Opening System NAND Contents");
if (bis_factory == nullptr)
@ -334,7 +333,7 @@ std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents() {
return bis_factory->GetSystemNANDContents();
}
std::shared_ptr<FileSys::RegisteredCache> GetUserNANDContents() {
FileSys::RegisteredCache* GetUserNANDContents() {
LOG_TRACE(Service_FS, "Opening User NAND Contents");
if (bis_factory == nullptr)
@ -343,7 +342,7 @@ std::shared_ptr<FileSys::RegisteredCache> GetUserNANDContents() {
return bis_factory->GetUserNANDContents();
}
std::shared_ptr<FileSys::RegisteredCache> GetSDMCContents() {
FileSys::RegisteredCache* GetSDMCContents() {
LOG_TRACE(Service_FS, "Opening SDMC Contents");
if (sdmc_factory == nullptr)

8
src/core/hle/service/filesystem/filesystem.h
View File

@ -47,11 +47,11 @@ ResultVal<FileSys::VirtualDir> OpenSaveData(FileSys::SaveDataSpaceId space,
FileSys::SaveDataDescriptor save_struct);
ResultVal<FileSys::VirtualDir> OpenSDMC();
std::shared_ptr<FileSys::RegisteredCacheUnion> GetUnionContents();
std::unique_ptr<FileSys::RegisteredCacheUnion> GetUnionContents();
std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents();
std::shared_ptr<FileSys::RegisteredCache> GetUserNANDContents();
std::shared_ptr<FileSys::RegisteredCache> GetSDMCContents();
FileSys::RegisteredCache* GetSystemNANDContents();
FileSys::RegisteredCache* GetUserNANDContents();
FileSys::RegisteredCache* GetSDMCContents();
FileSys::VirtualDir GetModificationLoadRoot(u64 title_id);

2
src/core/hle/service/ns/pl_u.cpp
View File

@ -161,7 +161,7 @@ PL_U::PL_U() : ServiceFramework("pl:u"), impl{std::make_unique<Impl>()} {
};
RegisterHandlers(functions);
// Attempt to load shared font data from disk
const auto nand = FileSystem::GetSystemNANDContents();
const auto* nand = FileSystem::GetSystemNANDContents();
std::size_t offset = 0;
// Rebuild shared fonts from data ncas
if (nand->HasEntry(static_cast<u64>(FontArchives::Standard),

19
src/yuzu/game_list_worker.cpp
View File

@ -96,7 +96,7 @@ void GameListWorker::AddInstalledTitlesToGameList() {
FileSys::ContentRecordType::Program);
for (const auto& game : installed_games) {
const auto& file = cache->GetEntryUnparsed(game);
const auto file = cache->GetEntryUnparsed(game);
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(file);
if (!loader)
continue;
@ -107,7 +107,7 @@ void GameListWorker::AddInstalledTitlesToGameList() {
loader->ReadProgramId(program_id);
const FileSys::PatchManager patch{program_id};
const auto& control = cache->GetEntry(game.title_id, FileSys::ContentRecordType::Control);
const auto control = cache->GetEntry(game.title_id, FileSys::ContentRecordType::Control);
if (control != nullptr)
GetMetadataFromControlNCA(patch, *control, icon, name);
@ -135,9 +135,10 @@ void GameListWorker::AddInstalledTitlesToGameList() {
FileSys::ContentRecordType::Control);
for (const auto& entry : control_data) {
const auto nca = cache->GetEntry(entry);
if (nca != nullptr)
nca_control_map.insert_or_assign(entry.title_id, nca);
auto nca = cache->GetEntry(entry);
if (nca != nullptr) {
nca_control_map.insert_or_assign(entry.title_id, std::move(nca));
}
}
}
@ -153,9 +154,11 @@ void GameListWorker::FillControlMap(const std::string& dir_path) {
QFileInfo file_info(physical_name.c_str());
if (!is_dir && file_info.suffix().toStdString() == "nca") {
auto nca =
std::make_shared<FileSys::NCA>(vfs->OpenFile(physical_name, FileSys::Mode::Read));
if (nca->GetType() == FileSys::NCAContentType::Control)
nca_control_map.insert_or_assign(nca->GetTitleId(), nca);
std::make_unique<FileSys::NCA>(vfs->OpenFile(physical_name, FileSys::Mode::Read));
if (nca->GetType() == FileSys::NCAContentType::Control) {
const u64 title_id = nca->GetTitleId();
nca_control_map.insert_or_assign(title_id, std::move(nca));
}
}
return true;
};

2
src/yuzu/game_list_worker.h
View File

@ -63,7 +63,7 @@ private:
void AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion = 0);
std::shared_ptr<FileSys::VfsFilesystem> vfs;
std::map<u64, std::shared_ptr<FileSys::NCA>> nca_control_map;
std::map<u64, std::unique_ptr<FileSys::NCA>> nca_control_map;
QStringList watch_list;
QString dir_path;
bool deep_scan;