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Atmosphere/libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp
Michael Scire a7c14e03b9 ams: std::optional -> util::optional
2021-07-08 02:37:26 -07:00

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/*
* 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/>.
*/
#include <stratosphere.hpp>
#include "ncm_content_storage_impl.hpp"
#include "ncm_read_only_content_storage_impl.hpp"
#include "ncm_content_meta_database_impl.hpp"
#include "ncm_on_memory_content_meta_database_impl.hpp"
#include "ncm_fs_utils.hpp"
namespace ams::ncm {
namespace {
alignas(os::MemoryPageSize) u8 g_system_content_meta_database_heap[512_KB];
alignas(os::MemoryPageSize) u8 g_gamecard_content_meta_database_heap[512_KB];
alignas(os::MemoryPageSize) u8 g_sd_and_user_content_meta_database_heap[2_MB + 512_KB];
ContentMetaMemoryResource g_system_content_meta_memory_resource(g_system_content_meta_database_heap, sizeof(g_system_content_meta_database_heap));
ContentMetaMemoryResource g_gamecard_content_meta_memory_resource(g_gamecard_content_meta_database_heap, sizeof(g_gamecard_content_meta_database_heap));
ContentMetaMemoryResource g_sd_and_user_content_meta_memory_resource(g_sd_and_user_content_meta_database_heap, sizeof(g_sd_and_user_content_meta_database_heap));
constexpr fs::SystemSaveDataId BuiltInSystemSaveDataId = 0x8000000000000120;
constexpr u64 BuiltInSystemSaveDataSize = 0x6c000;
constexpr u64 BuiltInSystemSaveDataJournalSize = 0x6c000;
constexpr u32 BuiltInSystemSaveDataFlags = fs::SaveDataFlags_KeepAfterResettingSystemSaveData | fs::SaveDataFlags_KeepAfterRefurbishment;
constexpr SystemSaveDataInfo BuiltInSystemSystemSaveDataInfo = {
.id = BuiltInSystemSaveDataId,
.size = BuiltInSystemSaveDataSize,
.journal_size = BuiltInSystemSaveDataJournalSize,
.flags = BuiltInSystemSaveDataFlags,
.space_id = fs::SaveDataSpaceId::System
};
constexpr fs::SystemSaveDataId BuiltInUserSaveDataId = 0x8000000000000121;
constexpr u64 BuiltInUserSaveDataSize = 0x29e000;
constexpr u64 BuiltInUserSaveDataJournalSize = 0x29e000;
constexpr u32 BuiltInUserSaveDataFlags = 0;
constexpr SystemSaveDataInfo BuiltInUserSystemSaveDataInfo = {
.id = BuiltInUserSaveDataId,
.size = BuiltInUserSaveDataSize,
.journal_size = BuiltInUserSaveDataJournalSize,
.flags = BuiltInUserSaveDataFlags,
.space_id = fs::SaveDataSpaceId::System
};
constexpr fs::SystemSaveDataId SdCardSaveDataId = 0x8000000000000124;
constexpr u64 SdCardSaveDataSize = 0xa08000;
constexpr u64 SdCardSaveDataJournalSize = 0xa08000;
constexpr u32 SdCardSaveDataFlags = 0;
constexpr SystemSaveDataInfo SdCardSystemSaveDataInfo = {
.id = SdCardSaveDataId,
.size = SdCardSaveDataSize,
.journal_size = SdCardSaveDataJournalSize,
.flags = SdCardSaveDataFlags,
.space_id = fs::SaveDataSpaceId::SdSystem,
};
using RootPath = kvdb::BoundedString<32>;
inline void ReplaceMountName(char *out_path, const char *mount_name, const char *path) {
std::strcpy(out_path, mount_name);
std::strcat(out_path, std::strchr(path, ':'));
}
Result EnsureBuiltInSystemSaveDataFlags() {
u32 cur_flags = 0;
/* Obtain the existing flags. */
R_TRY(fs::GetSaveDataFlags(std::addressof(cur_flags), BuiltInSystemSaveDataId));
/* Update the flags if needed. */
if (cur_flags != BuiltInSystemSaveDataFlags) {
R_TRY(fs::SetSaveDataFlags(BuiltInSystemSaveDataId, fs::SaveDataSpaceId::System, BuiltInSystemSaveDataFlags));
}
return ResultSuccess();
}
ALWAYS_INLINE Result GetContentStorageNotActiveResult(StorageId storage_id) {
switch (storage_id) {
case StorageId::GameCard: return ResultGameCardContentStorageNotActive();
case StorageId::BuiltInSystem: return ResultBuiltInSystemContentStorageNotActive();
case StorageId::BuiltInUser: return ResultBuiltInUserContentStorageNotActive();
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 ResultBuiltInSystemContentMetaDatabaseNotActive();
case StorageId::BuiltInUser: return ResultBuiltInUserContentMetaDatabaseNotActive();
case StorageId::SdCard: return ResultSdCardContentMetaDatabaseNotActive();
default: return ResultUnknownContentMetaDatabaseNotActive();
}
}
ALWAYS_INLINE bool IsSignedSystemPartitionOnSdCardValid(const char *bis_mount_name) {
/* Signed system partition should never be checked on < 4.0.0, as it did not exist before then. */
AMS_ABORT_UNLESS(hos::GetVersion() >= hos::Version_4_0_0);
/* If we're importing from system on SD, make sure that the signed system partition is valid. */
const auto version = hos::GetVersion();
if (version >= hos::Version_8_0_0) {
/* On >= 8.0.0, a simpler method was added to check validity. */
/* This also works on < 4.0.0 (though the system partition will never be on-sd there), */
/* and so this will always return false. */
char path[fs::MountNameLengthMax + 2 /* :/ */ + 1];
util::SNPrintf(path, sizeof(path), "%s:/", bis_mount_name);
return fs::IsSignedSystemPartitionOnSdCardValid(path);
} else {
/* On 4.0.0-7.0.1, use the remote command to validate the system partition. */
return fs::IsSignedSystemPartitionOnSdCardValidDeprecated();
}
}
}
ContentManagerImpl::~ContentManagerImpl() {
std::scoped_lock lk(this->mutex);
/* Disable and unmount all content storage roots. */
for (auto &root : this->content_storage_roots) {
this->InactivateContentStorage(root.storage_id);
}
/* Disable and unmount all content meta database roots. */
for (auto &root : this->content_meta_database_roots) {
this->InactivateContentMetaDatabase(root.storage_id);
}
}
Result ContentManagerImpl::EnsureAndMountSystemSaveData(const char *mount_name, const SystemSaveDataInfo &info) const {
constexpr u64 OwnerId = 0;
/* Don't create save if absent - We want to handle this case ourselves. */
fs::DisableAutoSaveDataCreation();
/* Mount existing system save data if present, otherwise create it then mount. */
R_TRY_CATCH(fs::MountSystemSaveData(mount_name, info.space_id, info.id)) {
R_CATCH(fs::ResultTargetNotFound) {
/* On 1.0.0, not all flags existed. Mask when appropriate. */
constexpr u32 SaveDataFlags100Mask = fs::SaveDataFlags_KeepAfterResettingSystemSaveData;
const u32 flags = (hos::GetVersion() >= hos::Version_2_0_0) ? (info.flags) : (info.flags & SaveDataFlags100Mask);
R_TRY(fs::CreateSystemSaveData(info.space_id, info.id, OwnerId, info.size, info.journal_size, flags));
R_TRY(fs::MountSystemSaveData(mount_name, info.space_id, info.id));
}
} R_END_TRY_CATCH;
return ResultSuccess();
}
Result ContentManagerImpl::GetContentStorageRoot(ContentStorageRoot **out, StorageId id) {
/* Storage must not be StorageId::Any or StorageId::None. */
R_UNLESS(IsUniqueStorage(id), ncm::ResultUnknownStorage());
/* Find a root with a matching storage id. */
for (auto &root : this->content_storage_roots) {
if (root.storage_id == id) {
*out = std::addressof(root);
return ResultSuccess();
}
}
return ncm::ResultUnknownStorage();
}
Result ContentManagerImpl::GetContentMetaDatabaseRoot(ContentMetaDatabaseRoot **out, StorageId id) {
/* Storage must not be StorageId::Any or StorageId::None. */
R_UNLESS(IsUniqueStorage(id), ncm::ResultUnknownStorage());
/* Find a root with a matching storage id. */
for (auto &root : this->content_meta_database_roots) {
if (root.storage_id == id) {
*out = std::addressof(root);
return ResultSuccess();
}
}
return ncm::ResultUnknownStorage();
}
Result ContentManagerImpl::InitializeContentStorageRoot(ContentStorageRoot *out, StorageId storage_id, fs::ContentStorageId content_storage_id) {
out->storage_id = storage_id;
out->content_storage_id = content_storage_id;
out->content_storage = nullptr;
/* Create a new mount name and copy it to out. */
std::strcpy(out->mount_name, impl::CreateUniqueMountName().str);
util::SNPrintf(out->path, sizeof(out->path), "%s:/", out->mount_name);
return ResultSuccess();
}
Result ContentManagerImpl::InitializeGameCardContentStorageRoot(ContentStorageRoot *out) {
out->storage_id = StorageId::GameCard;
out->content_storage = nullptr;
/* Create a new mount name and copy it to out. */
std::strcpy(out->mount_name, impl::CreateUniqueMountName().str);
util::SNPrintf(out->path, sizeof(out->path), "%s:", out->mount_name);
return ResultSuccess();
}
Result ContentManagerImpl::InitializeContentMetaDatabaseRoot(ContentMetaDatabaseRoot *out, StorageId storage_id, const SystemSaveDataInfo &info, size_t max_content_metas, ContentMetaMemoryResource *memory_resource) {
out->storage_id = storage_id;
out->info = info;
out->max_content_metas = max_content_metas;
out->memory_resource = memory_resource;
out->content_meta_database = nullptr;
out->kvs = util::nullopt;
/* Create a new mount name and copy it to out. */
std::strcpy(out->mount_name, impl::CreateUniqueMountName().str);
out->mount_name[0] = '#';
util::SNPrintf(out->path, sizeof(out->path), "%s:/meta", out->mount_name);
return ResultSuccess();
}
Result ContentManagerImpl::InitializeGameCardContentMetaDatabaseRoot(ContentMetaDatabaseRoot *out, size_t max_content_metas, ContentMetaMemoryResource *memory_resource) {
out->storage_id = StorageId::GameCard;
out->max_content_metas = max_content_metas;
out->memory_resource = memory_resource;
out->content_meta_database = nullptr;
out->kvs = util::nullopt;
return ResultSuccess();
}
Result ContentManagerImpl::ImportContentMetaDatabaseImpl(StorageId storage_id, const char *import_mount_name, const char *path) {
std::scoped_lock lk(this->mutex);
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
/* Print the savedata path. */
PathString savedata_db_path;
savedata_db_path.SetFormat("%s/%s", root->path, "imkvdb.arc");
/* Print a path for the mounted partition. */
PathString bis_db_path;
bis_db_path.SetFormat("%s:/%s", import_mount_name, path);
/* Mount the savedata. */
R_TRY(fs::MountSystemSaveData(root->mount_name, root->info.space_id, root->info.id));
ON_SCOPE_EXIT { fs::Unmount(root->mount_name); };
/* Ensure the path exists for us to import to. */
R_TRY(fs::EnsureDirectoryRecursively(root->path));
/* Copy the file from bis to our save. */
R_TRY(impl::CopyFile(savedata_db_path, bis_db_path));
/* Commit the import. */
return fs::CommitSaveData(root->mount_name);
}
Result ContentManagerImpl::BuildContentMetaDatabase(StorageId storage_id) {
if (hos::GetVersion() < hos::Version_5_0_0) {
/* Temporarily activate the database. */
R_TRY(this->ActivateContentMetaDatabase(storage_id));
ON_SCOPE_EXIT { this->InactivateContentMetaDatabase(storage_id); };
/* Open the content meta database and storage. */
ContentMetaDatabase meta_db;
ContentStorage storage;
R_TRY(ncm::OpenContentMetaDatabase(std::addressof(meta_db), storage_id));
R_TRY(ncm::OpenContentStorage(std::addressof(storage), storage_id));
/* Create a builder, and build. */
ContentMetaDatabaseBuilder builder(std::addressof(meta_db));
return builder.BuildFromStorage(std::addressof(storage));
} else {
/* On 5.0.0+, building just performs an import. */
return this->ImportContentMetaDatabase(storage_id, false);
}
}
Result ContentManagerImpl::ImportContentMetaDatabase(StorageId storage_id, bool from_signed_partition) {
/* Only support importing BuiltInSystem. */
AMS_ABORT_UNLESS(storage_id == StorageId::BuiltInSystem);
/* Get a mount name for the system partition. */
auto bis_mount_name = impl::CreateUniqueMountName();
/* Mount the BIS partition that contains the database we're importing. */
R_TRY(fs::MountBis(bis_mount_name.str, fs::BisPartitionId::System));
ON_SCOPE_EXIT { fs::Unmount(bis_mount_name.str); };
/* If we're not importing from a signed partition (or the partition signature is valid), import. */
if (!from_signed_partition || IsSignedSystemPartitionOnSdCardValid(bis_mount_name.str)) {
R_TRY(this->ImportContentMetaDatabaseImpl(StorageId::BuiltInSystem, bis_mount_name.str, "cnmtdb.arc"));
}
return ResultSuccess();
}
Result ContentManagerImpl::Initialize(const ContentManagerConfig &config) {
std::scoped_lock lk(this->mutex);
/* Check if we've already initialized. */
R_SUCCEED_IF(this->initialized);
/* Clear storage id for all roots. */
for (auto &root : this->content_storage_roots) {
root.storage_id = StorageId::None;
}
for (auto &root : this->content_meta_database_roots) {
root.storage_id = StorageId::None;
}
/* First, setup the BuiltInSystem storage entry. */
R_TRY(this->InitializeContentStorageRoot(&this->content_storage_roots[this->num_content_storage_entries++], StorageId::BuiltInSystem, fs::ContentStorageId::System));
if (R_FAILED(this->VerifyContentStorage(StorageId::BuiltInSystem))) {
R_TRY(this->CreateContentStorage(StorageId::BuiltInSystem));
}
R_TRY(this->ActivateContentStorage(StorageId::BuiltInSystem));
/* Next, the BuiltInSystem content meta entry. */
R_TRY(this->InitializeContentMetaDatabaseRoot(&this->content_meta_database_roots[this->num_content_meta_entries++], StorageId::BuiltInSystem, BuiltInSystemSystemSaveDataInfo, SystemMaxContentMetaCount, std::addressof(g_system_content_meta_memory_resource)));
if (R_FAILED(this->VerifyContentMetaDatabase(StorageId::BuiltInSystem))) {
R_TRY(this->CreateContentMetaDatabase(StorageId::BuiltInSystem));
/* Try to build or import a database, depending on our configuration. */
if (config.ShouldBuildDatabase()) {
/* If we should build the database, do so. */
R_TRY(this->BuildContentMetaDatabase(StorageId::BuiltInSystem));
R_TRY(this->VerifyContentMetaDatabase(StorageId::BuiltInSystem));
} else if (config.ShouldImportDatabaseFromSignedSystemPartitionOnSd()) {
/* Otherwise if we should import the database from the SD, do so. */
R_TRY(this->ImportContentMetaDatabase(StorageId::BuiltInSystem, true));
R_TRY(this->VerifyContentMetaDatabase(StorageId::BuiltInSystem));
}
}
/* Ensure correct flags on the BuiltInSystem save data. */
/* NOTE: Nintendo does not check this succeeds, and it does on older system versions. */
/* We will not check the error, either, even though this kind of defeats the call's purpose. */
if (hos::GetVersion() >= hos::Version_2_0_0) {
EnsureBuiltInSystemSaveDataFlags();
}
R_TRY(this->ActivateContentMetaDatabase(StorageId::BuiltInSystem));
/* Now for BuiltInUser's content storage and content meta entries. */
R_TRY(this->InitializeContentStorageRoot(&this->content_storage_roots[this->num_content_storage_entries++], StorageId::BuiltInUser, fs::ContentStorageId::User));
R_TRY(this->InitializeContentMetaDatabaseRoot(&this->content_meta_database_roots[this->num_content_meta_entries++], StorageId::BuiltInUser, BuiltInUserSystemSaveDataInfo, UserMaxContentMetaCount, std::addressof(g_sd_and_user_content_meta_memory_resource)));
/* Beyond this point, N uses hardcoded indices. */
/* Next SdCard's content storage and content meta entries. */
R_TRY(this->InitializeContentStorageRoot(&this->content_storage_roots[2], StorageId::SdCard, fs::ContentStorageId::SdCard));
R_TRY(this->InitializeContentMetaDatabaseRoot(&this->content_meta_database_roots[2], StorageId::SdCard, SdCardSystemSaveDataInfo, SdCardMaxContentMetaCount, std::addressof(g_sd_and_user_content_meta_memory_resource)));
/* GameCard's content storage and content meta entries. */
/* N doesn't set a content storage id for game cards, so we'll just use 0 (System). */
R_TRY(this->InitializeGameCardContentStorageRoot(&this->content_storage_roots[3]));
R_TRY(this->InitializeGameCardContentMetaDatabaseRoot(&this->content_meta_database_roots[3], GameCardMaxContentMetaCount, std::addressof(g_gamecard_content_meta_memory_resource)));
this->initialized = true;
return ResultSuccess();
}
Result ContentManagerImpl::CreateContentStorage(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content storage root. */
ContentStorageRoot *root;
R_TRY(this->GetContentStorageRoot(std::addressof(root), storage_id));
/* Mount the relevant content storage. */
R_TRY(fs::MountContentStorage(root->mount_name, root->content_storage_id));
ON_SCOPE_EXIT { fs::Unmount(root->mount_name); };
/* Ensure the content storage root's path exists. */
R_TRY(fs::EnsureDirectoryRecursively(root->path));
/* Initialize content and placeholder directories for the root. */
return ContentStorageImpl::InitializeBase(root->path);
}
Result ContentManagerImpl::CreateContentMetaDatabase(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
R_UNLESS(storage_id != StorageId::GameCard, ncm::ResultUnknownStorage());
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
/* Mount (and optionally create) save data for the root. */
R_TRY(this->EnsureAndMountSystemSaveData(root->mount_name, root->info));
ON_SCOPE_EXIT { fs::Unmount(root->mount_name); };
/* Ensure the content meta database root's path exists. */
R_TRY(fs::EnsureDirectoryRecursively(root->path));
/* Commit our changes. */
return fs::CommitSaveData(root->mount_name);
}
Result ContentManagerImpl::VerifyContentStorage(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content storage root. */
ContentStorageRoot *root;
R_TRY(this->GetContentStorageRoot(std::addressof(root), storage_id));
/* Substitute the mount name in the root's path with a unique one. */
char path[0x80];
auto mount_name = impl::CreateUniqueMountName();
ReplaceMountName(path, mount_name.str, root->path);
/* Mount the relevant content storage. */
R_TRY(fs::MountContentStorage(mount_name.str, root->content_storage_id));
ON_SCOPE_EXIT { fs::Unmount(mount_name.str); };
/* Ensure the root, content and placeholder directories exist for the storage. */
return ContentStorageImpl::VerifyBase(path);
}
Result ContentManagerImpl::VerifyContentMetaDatabase(StorageId storage_id) {
/* Game card content meta databases will always be valid. */
R_SUCCEED_IF(storage_id == StorageId::GameCard);
std::scoped_lock lk(this->mutex);
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
/* Mount save data for non-existing content meta databases. */
const bool mount = !root->content_meta_database;
if (mount) {
R_TRY(fs::MountSystemSaveData(root->mount_name, root->info.space_id, root->info.id));
}
auto mount_guard = SCOPE_GUARD { if (mount) { fs::Unmount(root->mount_name); } };
/* Ensure the root path exists. */
bool has_dir = false;
R_TRY(fs::HasDirectory(&has_dir, root->path));
R_UNLESS(has_dir, ncm::ResultInvalidContentMetaDatabase());
return ResultSuccess();
}
Result ContentManagerImpl::OpenContentStorage(sf::Out<sf::SharedPointer<IContentStorage>> out, StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content storage root. */
ContentStorageRoot *root;
R_TRY(this->GetContentStorageRoot(std::addressof(root), storage_id));
if (hos::GetVersion() >= hos::Version_2_0_0) {
/* Obtain the content storage if already active. */
R_UNLESS(root->content_storage, GetContentStorageNotActiveResult(storage_id));
} else {
/* 1.0.0 activates content storages as soon as they are opened. */
if (!root->content_storage) {
R_TRY(this->ActivateContentStorage(storage_id));
}
}
*out = root->content_storage;
return ResultSuccess();
}
Result ContentManagerImpl::OpenContentMetaDatabase(sf::Out<sf::SharedPointer<IContentMetaDatabase>> out, StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
if (hos::GetVersion() >= hos::Version_2_0_0) {
/* Obtain the content meta database if already active. */
R_UNLESS(root->content_meta_database, GetContentMetaDatabaseNotActiveResult(storage_id));
} else {
/* 1.0.0 activates content meta databases as soon as they are opened. */
if (!root->content_meta_database) {
R_TRY(this->ActivateContentMetaDatabase(storage_id));
}
}
*out = root->content_meta_database;
return ResultSuccess();
}
Result ContentManagerImpl::CloseContentStorageForcibly(StorageId storage_id) {
return this->InactivateContentStorage(storage_id);
}
Result ContentManagerImpl::CloseContentMetaDatabaseForcibly(StorageId storage_id) {
return this->InactivateContentMetaDatabase(storage_id);
}
Result ContentManagerImpl::CleanupContentMetaDatabase(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Disable and unmount content meta database root. */
R_TRY(this->InactivateContentMetaDatabase(storage_id));
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
/* Delete save data for the content meta database root. */
return fs::DeleteSaveData(root->info.space_id, root->info.id);
}
Result ContentManagerImpl::ActivateContentStorage(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content storage root. */
ContentStorageRoot *root;
R_TRY(this->GetContentStorageRoot(std::addressof(root), storage_id));
/* Check if the storage is already activated. */
R_SUCCEED_IF(root->content_storage != nullptr);
/* Mount based on the storage type. */
if (storage_id == StorageId::GameCard) {
fs::GameCardHandle handle;
R_TRY(fs::GetGameCardHandle(std::addressof(handle)));
R_TRY(fs::MountGameCardPartition(root->mount_name, handle, fs::GameCardPartition::Secure));
} else {
R_TRY(fs::MountContentStorage(root->mount_name, root->content_storage_id));
}
/* Unmount on failure. */
auto mount_guard = SCOPE_GUARD { fs::Unmount(root->mount_name); };
if (storage_id == StorageId::GameCard) {
/* Game card content storage is read only. */
auto content_storage = sf::CreateSharedObjectEmplaced<IContentStorage, ReadOnlyContentStorageImpl>();
R_TRY(content_storage.GetImpl().Initialize(root->path, MakeFlatContentFilePath));
root->content_storage = std::move(content_storage);
} else {
/* Create a content storage. */
auto content_storage = sf::CreateSharedObjectEmplaced<IContentStorage, ContentStorageImpl>();
/* Initialize content storage with an appropriate path function. */
switch (storage_id) {
case StorageId::BuiltInSystem:
R_TRY(content_storage.GetImpl().Initialize(root->path, MakeFlatContentFilePath, MakeFlatPlaceHolderFilePath, false, std::addressof(this->rights_id_cache)));
break;
case StorageId::SdCard:
R_TRY(content_storage.GetImpl().Initialize(root->path, MakeSha256HierarchicalContentFilePath_ForFat16KCluster, MakeSha256HierarchicalPlaceHolderFilePath_ForFat16KCluster, true, std::addressof(this->rights_id_cache)));
break;
default:
R_TRY(content_storage.GetImpl().Initialize(root->path, MakeSha256HierarchicalContentFilePath_ForFat16KCluster, MakeSha256HierarchicalPlaceHolderFilePath_ForFat16KCluster, false, std::addressof(this->rights_id_cache)));
break;
}
root->content_storage = std::move(content_storage);
}
/* Prevent unmounting. */
mount_guard.Cancel();
return ResultSuccess();
}
Result ContentManagerImpl::InactivateContentStorage(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content storage root. */
ContentStorageRoot *root;
R_TRY(this->GetContentStorageRoot(std::addressof(root), storage_id));
/* Disable and unmount the content storage, if present. */
if (root->content_storage != nullptr) {
/* N doesn't bother checking the result of this */
root->content_storage->DisableForcibly();
root->content_storage = nullptr;
fs::Unmount(root->mount_name);
}
return ResultSuccess();
}
Result ContentManagerImpl::ActivateContentMetaDatabase(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
/* Already activated. */
R_SUCCEED_IF(root->content_meta_database != nullptr);
/* Make a new kvs. */
root->kvs.emplace();
if (storage_id == StorageId::GameCard) {
/* Initialize the key value store. */
R_TRY(root->kvs->Initialize(root->max_content_metas, root->memory_resource));
/* Create an on memory content meta database for game cards. */
root->content_meta_database = sf::CreateSharedObjectEmplaced<IContentMetaDatabase, OnMemoryContentMetaDatabaseImpl>(std::addressof(*root->kvs));
} else {
/* Mount save data for this root. */
R_TRY(fs::MountSystemSaveData(root->mount_name, root->info.space_id, root->info.id));
/* Unmount on failure. */
auto mount_guard = SCOPE_GUARD { fs::Unmount(root->mount_name); };
/* Initialize and load the key value store from the filesystem. */
R_TRY(root->kvs->Initialize(root->path, root->max_content_metas, root->memory_resource));
R_TRY(root->kvs->Load());
/* Create the content meta database. */
root->content_meta_database = sf::CreateSharedObjectEmplaced<IContentMetaDatabase, ContentMetaDatabaseImpl>(std::addressof(*root->kvs), root->mount_name);
mount_guard.Cancel();
}
return ResultSuccess();
}
Result ContentManagerImpl::InactivateContentMetaDatabase(StorageId storage_id) {
std::scoped_lock lk(this->mutex);
/* Obtain the content meta database root. */
ContentMetaDatabaseRoot *root;
R_TRY(this->GetContentMetaDatabaseRoot(&root, storage_id));
/* Disable the content meta database, if present. */
if (root->content_meta_database != nullptr) {
/* N doesn't bother checking the result of this */
root->content_meta_database->DisableForcibly();
root->content_meta_database = nullptr;
root->kvs = util::nullopt;
/* Also unmount, except in the case of game cards. */
if (storage_id != StorageId::GameCard) {
fs::Unmount(root->mount_name);
}
}
return ResultSuccess();
}
Result ContentManagerImpl::InvalidateRightsIdCache() {
this->rights_id_cache.Invalidate();
return ResultSuccess();
}
Result ContentManagerImpl::GetMemoryReport(sf::Out<MemoryReport> out) {
/* Populate content meta resource states. */
MemoryReport report = {
.system_content_meta_resource_state = {
.peak_total_alloc_size = g_system_content_meta_memory_resource.GetPeakTotalAllocationSize(),
.peak_alloc_size = g_system_content_meta_memory_resource.GetPeakAllocationSize(),
.allocatable_size = g_system_content_meta_memory_resource.GetAllocator()->GetAllocatableSize(),
.total_free_size = g_system_content_meta_memory_resource.GetAllocator()->GetTotalFreeSize(),
},
.sd_and_user_content_meta_resource_state {
.peak_total_alloc_size = g_sd_and_user_content_meta_memory_resource.GetPeakTotalAllocationSize(),
.peak_alloc_size = g_sd_and_user_content_meta_memory_resource.GetPeakAllocationSize(),
.allocatable_size = g_sd_and_user_content_meta_memory_resource.GetAllocator()->GetAllocatableSize(),
.total_free_size = g_sd_and_user_content_meta_memory_resource.GetAllocator()->GetTotalFreeSize(),
},
.gamecard_content_meta_resource_state {
.peak_total_alloc_size = g_gamecard_content_meta_memory_resource.GetPeakTotalAllocationSize(),
.peak_alloc_size = g_gamecard_content_meta_memory_resource.GetPeakAllocationSize(),
.allocatable_size = g_gamecard_content_meta_memory_resource.GetAllocator()->GetAllocatableSize(),
.total_free_size = g_gamecard_content_meta_memory_resource.GetAllocator()->GetTotalFreeSize(),
},
.heap_resource_state = {},
};
/* Populate heap memory resource state. */
GetHeapState().GetMemoryResourceState(std::addressof(report.heap_resource_state));
/* Output the report. */
out.SetValue(report);
return ResultSuccess();
}
}
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