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Atmosphere/libraries/libstratosphere/source/ncm/ncm_storage_utils.cpp
2022-03-26 00:14:36 -07:00

105 lines
3.8 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>
namespace ams::ncm {
Result SelectDownloadableStorage(StorageId *out_storage_id, StorageId storage_id, s64 required_size) {
auto list = GetStorageList(storage_id);
for (s32 i = 0; i < list.Count(); i++) {
auto candidate = list[i];
/* Open the content meta database. NOTE: This is unused. */
ContentMetaDatabase content_meta_database;
if (R_FAILED(ncm::OpenContentMetaDatabase(std::addressof(content_meta_database), candidate))) {
continue;
}
/* Open the content storage. */
ContentStorage content_storage;
if (R_FAILED(ncm::OpenContentStorage(std::addressof(content_storage), candidate))) {
continue;
}
/* Get the free space on this storage. */
s64 free_space_size;
R_TRY(content_storage.GetFreeSpaceSize(std::addressof(free_space_size)));
/* There must be more free space than is required. */
if (free_space_size <= required_size) {
continue;
}
/* Output the storage id. */
*out_storage_id = storage_id;
R_SUCCEED();
}
R_THROW(ncm::ResultNotEnoughInstallSpace());
}
Result SelectPatchStorage(StorageId *out_storage_id, StorageId storage_id, PatchId patch_id) {
auto list = GetStorageList(storage_id);
u32 version = 0;
*out_storage_id = storage_id;
for (s32 i = 0; i < list.Count(); i++) {
auto candidate = list[i];
/* Open the content meta database. */
ContentMetaDatabase content_meta_database;
if (R_FAILED(ncm::OpenContentMetaDatabase(std::addressof(content_meta_database), candidate))) {
continue;
}
/* Get the latest key. */
ContentMetaKey key;
R_TRY_CATCH(content_meta_database.GetLatest(std::addressof(key), patch_id.value)) {
R_CATCH(ncm::ResultContentMetaNotFound) { continue; }
} R_END_TRY_CATCH;
if (key.version > version) {
version = key.version;
*out_storage_id = candidate;
}
}
R_SUCCEED();
}
const char *GetStorageIdString(StorageId storage_id) {
switch (storage_id) {
case StorageId::None: return "None";
case StorageId::Host: return "Host";
case StorageId::GameCard: return "GameCard";
case StorageId::BuiltInSystem: return "BuiltInSystem";
case StorageId::BuiltInUser: return "BuiltInUser";
default: return "(unknown)";
}
}
const char *GetStorageIdStringForPlayReport(StorageId storage_id) {
switch (storage_id) {
case StorageId::None: return "None";
case StorageId::Host: return "Host";
case StorageId::Card: return "Card";
case StorageId::BuildInSystem: return "BuildInSystem";
case StorageId::BuildInUser: return "BuildInUser";
default: return "(unknown)";
}
}
}