Atmosphere/stratosphere/ncm/source/ncm_content_manager_impl.hpp
2020-03-04 20:11:41 +11:00

218 lines
10 KiB
C++

/*
* Copyright (c) 2019-2020 Adubbz, Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
#include "impl/ncm_rights_cache.hpp"
#include "ncm_fs.hpp"
namespace ams::ncm {
struct SystemSaveDataInfo {
u64 id;
u64 size;
u64 journal_size;
u32 flags;
FsSaveDataSpaceId space_id;
};
static_assert(sizeof(SystemSaveDataInfo) == 0x20, "SystemSaveDataInfo definition!");
class ContentManagerImpl final : public IContentManager {
private:
constexpr static size_t MaxContentStorageEntries = 8;
constexpr static size_t MaxContentMetaDatabaseEntries = 8;
private:
struct ContentStorageRoot {
NON_COPYABLE(ContentStorageRoot);
NON_MOVEABLE(ContentStorageRoot);
char mount_point[16];
char path[128];
StorageId storage_id;
FsContentStorageId content_storage_id;
std::shared_ptr<IContentStorage> content_storage;
inline ContentStorageRoot() : storage_id(StorageId::None),
content_storage_id(FsContentStorageId_System), content_storage(nullptr) {
mount_point[0] = '\0';
path[0] = '\0';
}
inline void Initialize(StorageId storage_id, FsContentStorageId content_storage_id) {
this->storage_id = storage_id;
this->content_storage_id = content_storage_id;
this->content_storage = nullptr;
MountName mount_name = ncm::fs::CreateUniqueMountName();
std::strcpy(this->mount_point, mount_name.name);
snprintf(this->path, 0x80, "%s:/", this->mount_point);
}
};
struct ContentMetaDatabaseEntry {
NON_COPYABLE(ContentMetaDatabaseEntry);
NON_MOVEABLE(ContentMetaDatabaseEntry);
char mount_point[16];
char meta_path[128];
StorageId storage_id;
SystemSaveDataInfo save_meta;
std::shared_ptr<IContentMetaDatabase> content_meta_database;
std::optional<kvdb::MemoryKeyValueStore<ContentMetaKey>> kvs;
u32 max_content_metas;
inline ContentMetaDatabaseEntry() : storage_id(StorageId::None), save_meta({0}),
content_meta_database(nullptr), kvs(std::nullopt), max_content_metas(0) {
mount_point[0] = '\0';
meta_path[0] = '\0';
}
Result Initialize(StorageId storage_id, const SystemSaveDataInfo& save_meta, size_t max_content_metas) {
this->storage_id = storage_id;
this->max_content_metas = max_content_metas;
this->save_meta = save_meta;
this->content_meta_database = nullptr;
this->kvs = std::nullopt;
MountName mount_name = ncm::fs::CreateUniqueMountName();
strcpy(this->mount_point, mount_name.name);
this->mount_point[0] = '#';
snprintf(this->meta_path, 0x80, "%s:/meta", this->mount_point);
return ResultSuccess();
}
Result InitializeGameCard(size_t max_content_metas) {
this->storage_id = StorageId::GameCard;
this->max_content_metas = max_content_metas;
this->content_meta_database = nullptr;
this->kvs = std::nullopt;
return ResultSuccess();
}
};
private:
os::Mutex mutex;
bool initialized = false;
ContentStorageRoot content_storage_roots[MaxContentStorageEntries];
ContentMetaDatabaseEntry content_meta_entries[MaxContentMetaDatabaseEntries];
u32 num_content_storage_entries;
u32 num_content_meta_entries;
impl::RightsIdCache rights_id_cache;
public:
ContentManagerImpl() { /* ... */ };
~ContentManagerImpl();
public:
Result Initialize();
private:
constexpr inline bool IsUniqueStorage(StorageId id) {
return id != StorageId::None && id != StorageId::Any;
}
Result FindContentStorageRoot(ContentStorageRoot **out, StorageId storage_id) {
for (size_t i = 0; i < MaxContentStorageEntries; i++) {
ContentStorageRoot *root = &this->content_storage_roots[i];
if (root->storage_id == storage_id) {
*out = root;
return ResultSuccess();
}
}
return ncm::ResultUnknownStorage();
}
Result GetUniqueContentStorageRoot(ContentStorageRoot **out, StorageId storage_id) {
R_UNLESS(IsUniqueStorage(storage_id), ncm::ResultUnknownStorage());
return FindContentStorageRoot(out, storage_id);
}
Result FindContentMetaDatabaseEntry(ContentMetaDatabaseEntry **out, StorageId storage_id) {
for (size_t i = 0; i < MaxContentMetaDatabaseEntries; i++) {
ContentMetaDatabaseEntry *entry = &this->content_meta_entries[i];
if (entry->storage_id == storage_id) {
*out = entry;
return ResultSuccess();
}
}
return ncm::ResultUnknownStorage();
}
Result GetUniqueContentMetaDatabaseEntry(ContentMetaDatabaseEntry **out, StorageId storage_id) {
R_UNLESS(IsUniqueStorage(storage_id), ncm::ResultUnknownStorage());
return FindContentMetaDatabaseEntry(out, storage_id);
}
ALWAYS_INLINE Result GetContentStorageNotActiveResult(StorageId storage_id) {
switch (storage_id) {
case StorageId::GameCard:
return ResultGameCardContentStorageNotActive();
case StorageId::BuiltInSystem:
return ResultNandSystemContentStorageNotActive();
case StorageId::BuiltInUser:
return ResultNandUserContentStorageNotActive();
case StorageId::SdCard:
return ResultSdCardContentStorageNotActive();
default:
return ResultUnknownContentStorageNotActive();
}
}
ALWAYS_INLINE Result GetContentMetaDatabaseNotActiveResult(StorageId storage_id) {
switch (storage_id) {
case StorageId::GameCard:
return ResultGameCardContentMetaDatabaseNotActive();
case StorageId::BuiltInSystem:
return ResultNandSystemContentMetaDatabaseNotActive();
case StorageId::BuiltInUser:
return ResultNandUserContentMetaDatabaseNotActive();
case StorageId::SdCard:
return ResultSdCardContentMetaDatabaseNotActive();
default:
return ResultUnknownContentMetaDatabaseNotActive();
}
}
Result EnsureAndMountSystemSaveData(const char *mount_name, const SystemSaveDataInfo &save_meta) {
R_TRY_CATCH(fs::MountSystemSaveData(mount_name, save_meta.space_id, save_meta.id)) {
R_CATCH(ams::fs::ResultTargetNotFound) {
R_TRY(fsCreate_SystemSaveData(save_meta.space_id, save_meta.id, save_meta.size, save_meta.journal_size, save_meta.flags));
R_TRY(fs::MountSystemSaveData(mount_name, save_meta.space_id, save_meta.id));
}
} R_END_TRY_CATCH;
return ResultSuccess();
}
inline void ReplaceMountName(char *out_path, const char *mount_name, const char *root_path) {
strcpy(out_path, mount_name);
strcat(out_path, strchr(root_path, ':'));
}
public:
virtual Result CreateContentStorage(StorageId storage_id) override;
virtual Result CreateContentMetaDatabase(StorageId storage_id) override;
virtual Result VerifyContentStorage(StorageId storage_id) override;
virtual Result VerifyContentMetaDatabase(StorageId storage_id) override;
virtual Result OpenContentStorage(sf::Out<std::shared_ptr<IContentStorage>> out, StorageId storage_id) override;
virtual Result OpenContentMetaDatabase(sf::Out<std::shared_ptr<IContentMetaDatabase>> out, StorageId storage_id) override;
virtual Result CloseContentStorageForcibly(StorageId storage_id) override;
virtual Result CloseContentMetaDatabaseForcibly(StorageId storage_id) override;
virtual Result CleanupContentMetaDatabase(StorageId storage_id) override;
virtual Result ActivateContentStorage(StorageId storage_id) override;
virtual Result InactivateContentStorage(StorageId storage_id) override;
virtual Result ActivateContentMetaDatabase(StorageId storage_id) override;
virtual Result InactivateContentMetaDatabase(StorageId storage_id) override;
virtual Result InvalidateRightsIdCache() override;
};
}