Atmosphere/libraries/libstratosphere/source/sprofile/srv/sprofile_srv_profile_manager.cpp
2021-09-19 10:34:31 -07:00

107 lines
3.9 KiB
C++

/*
* Copyright (c) 2018-2020 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 "sprofile_srv_profile_manager.hpp"
#include "sprofile_srv_fs_utils.hpp"
namespace ams::sprofile::srv {
namespace {
Result CreateSaveData(const ProfileManager::SaveDataInfo &save_data_info) {
R_TRY_CATCH(fs::CreateSystemSaveData(save_data_info.id, save_data_info.size, save_data_info.journal_size, save_data_info.flags)) {
R_CATCH(fs::ResultPathAlreadyExists) { /* Nintendo accepts already-existing savedata here. */ }
} R_END_TRY_CATCH;
return ResultSuccess();
}
}
ProfileManager::ProfileManager(const SaveDataInfo &save_data_info)
: m_save_data_info(save_data_info), m_save_file_mounted(false),
m_profile_metadata(util::nullopt), m_update_observer_manager()
{
/* ... */
}
void ProfileManager::InitializeSaveData() {
/* Acquire locks. */
std::scoped_lock lk1(m_general_mutex);
std::scoped_lock lk2(m_fs_mutex);
/* Ensure the savedata exists. */
if (R_SUCCEEDED(CreateSaveData(m_save_data_info))) {
m_save_file_mounted = R_SUCCEEDED(fs::MountSystemSaveData(m_save_data_info.mount_name, m_save_data_info.id));
/* TODO: Remove this after implementation, as it's for debugging. */
R_ABORT_UNLESS(fs::MountSdCard("sprof-dbg"));
}
}
Result ProfileManager::ResetSaveData() {
/* Acquire locks. */
std::scoped_lock lk1(m_service_profile_mutex);
std::scoped_lock lk2(m_profile_metadata_mutex);
std::scoped_lock lk3(m_general_mutex);
std::scoped_lock lk4(m_fs_mutex);
/* Unmount save file. */
fs::Unmount(m_save_data_info.mount_name);
m_save_file_mounted = false;
/* Delete save file. */
R_TRY(fs::DeleteSystemSaveData(fs::SaveDataSpaceId::System, m_save_data_info.id, fs::InvalidUserId));
/* Unload profile. */
m_profile_metadata = util::nullopt;
/* TODO m_service_profile = util::nullopt; */
/* Create the save data. */
R_TRY(CreateSaveData(m_save_data_info));
/* Try to mount the save file. */
const auto result = fs::MountSystemSaveData(m_save_data_info.mount_name, m_save_data_info.id);
m_save_file_mounted = R_SUCCEEDED(result);
return result;
}
Result ProfileManager::LoadPrimaryMetadata(ProfileMetadata *out) {
/* Acquire locks. */
std::scoped_lock lk1(m_profile_metadata_mutex);
std::scoped_lock lk2(m_general_mutex);
/* If we don't have metadata, load it. */
if (!m_profile_metadata.has_value()) {
/* Emplace our metadata. */
m_profile_metadata.emplace();
auto meta_guard = SCOPE_GUARD { m_profile_metadata = util::nullopt; };
/* Read profile metadata. */
char path[0x30];
AMS_ABORT_UNLESS(util::TSNPrintf(path, sizeof(path), "%s:/%s/metadata", m_save_data_info.mount_name, "primary") < static_cast<int>(sizeof(path)));
R_TRY(ReadFile(path, std::addressof(*m_profile_metadata), sizeof(*m_profile_metadata), 0));
/* We read the metadata successfully. */
meta_guard.Cancel();
}
/* Set the output. */
*out = *m_profile_metadata;
return ResultSuccess();
}
}