mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-27 15:11:16 +00:00
97 lines
4.2 KiB
C++
97 lines
4.2 KiB
C++
/*
|
|
* Copyright (c) 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 "fsa/fs_mount_utils.hpp"
|
|
#include "impl/fs_file_system_proxy_service_object.hpp"
|
|
#include "impl/fs_storage_service_object_adapter.hpp"
|
|
|
|
namespace ams::fs::impl {
|
|
|
|
namespace {
|
|
|
|
Result OpenDataStorageByDataIdImpl(sf::SharedPointer<fssrv::sf::IStorage> *out, ncm::DataId data_id, ncm::StorageId storage_id) {
|
|
auto fsp = impl::GetFileSystemProxyServiceObject();
|
|
R_TRY_CATCH(fsp->OpenDataStorageByDataId(out, data_id, static_cast<u8>(storage_id))) {
|
|
R_CONVERT(ncm::ResultContentMetaNotFound, fs::ResultTargetNotFound());
|
|
} R_END_TRY_CATCH;
|
|
R_SUCCEED();
|
|
}
|
|
|
|
Result OpenDataStorageByDataId(std::unique_ptr<ams::fs::IStorage> *out, ncm::DataId data_id, ncm::StorageId storage_id) {
|
|
/* Open storage. */
|
|
sf::SharedPointer<fssrv::sf::IStorage> s;
|
|
AMS_FS_R_TRY(OpenDataStorageByDataIdImpl(std::addressof(s), data_id, storage_id));
|
|
|
|
auto storage = std::make_unique<impl::StorageServiceObjectAdapter>(std::move(s));
|
|
R_UNLESS(storage != nullptr, fs::ResultAllocationMemoryFailedInDataA());
|
|
|
|
*out = std::move(storage);
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result MountDataImpl(const char *name, ncm::DataId data_id, ncm::StorageId storage_id, void *cache_buffer, size_t cache_size, bool use_cache, bool use_data_cache, bool use_path_cache) {
|
|
std::unique_ptr<fs::IStorage> storage;
|
|
R_TRY(OpenDataStorageByDataId(std::addressof(storage), data_id, storage_id));
|
|
|
|
auto fs = std::make_unique<RomFsFileSystem>();
|
|
R_UNLESS(fs != nullptr, fs::ResultAllocationMemoryFailedInDataB());
|
|
R_TRY(fs->Initialize(std::move(storage), cache_buffer, cache_size, use_cache));
|
|
|
|
return fsa::Register(name, std::move(fs), nullptr, use_data_cache, use_path_cache, false);
|
|
}
|
|
|
|
}
|
|
|
|
Result QueryMountDataCacheSize(size_t *out, ncm::DataId data_id, ncm::StorageId storage_id) {
|
|
AMS_FS_R_UNLESS(out != nullptr, fs::ResultNullptrArgument());
|
|
|
|
std::unique_ptr<fs::IStorage> storage;
|
|
AMS_FS_R_TRY(OpenDataStorageByDataId(std::addressof(storage), data_id, storage_id));
|
|
|
|
size_t size = 0;
|
|
AMS_FS_R_TRY(RomFsFileSystem::GetRequiredWorkingMemorySize(std::addressof(size), storage.get()));
|
|
|
|
constexpr size_t MinimumCacheSize = 32;
|
|
*out = std::max(size, MinimumCacheSize);
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result MountData(const char *name, ncm::DataId data_id, ncm::StorageId storage_id) {
|
|
/* Validate the mount name. */
|
|
AMS_FS_R_TRY(impl::CheckMountName(name));
|
|
|
|
return MountDataImpl(name, data_id, storage_id, nullptr, 0, false, false, false);
|
|
}
|
|
|
|
Result MountData(const char *name, ncm::DataId data_id, ncm::StorageId storage_id, void *cache_buffer, size_t cache_size) {
|
|
/* Validate the mount name. */
|
|
AMS_FS_R_TRY(impl::CheckMountName(name));
|
|
|
|
AMS_FS_R_UNLESS(cache_buffer != nullptr, fs::ResultNullptrArgument());
|
|
|
|
return MountDataImpl(name, data_id, storage_id, cache_buffer, cache_size, true, false, false);
|
|
}
|
|
|
|
Result MountData(const char *name, ncm::DataId data_id, ncm::StorageId storage_id, void *cache_buffer, size_t cache_size, bool use_data_cache, bool use_path_cache) {
|
|
/* Validate the mount name. */
|
|
AMS_FS_R_TRY(impl::CheckMountName(name));
|
|
|
|
AMS_FS_R_UNLESS(cache_buffer != nullptr, fs::ResultNullptrArgument());
|
|
|
|
return MountDataImpl(name, data_id, storage_id, cache_buffer, cache_size, true, use_data_cache, use_path_cache);
|
|
}
|
|
|
|
}
|