mirror of
https://github.com/Atmosphere-NX/Atmosphere
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108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "sprofile_srv_profile_manager.hpp"
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#include "sprofile_srv_fs_utils.hpp"
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namespace ams::sprofile::srv {
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namespace {
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Result CreateSaveData(const ProfileManager::SaveDataInfo &save_data_info) {
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R_TRY_CATCH(fs::CreateSystemSaveData(save_data_info.id, save_data_info.size, save_data_info.journal_size, save_data_info.flags)) {
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R_CATCH(fs::ResultPathAlreadyExists) { /* Nintendo accepts already-existing savedata here. */ }
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} R_END_TRY_CATCH;
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return ResultSuccess();
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}
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}
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ProfileManager::ProfileManager(const SaveDataInfo &save_data_info)
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: m_save_data_info(save_data_info), m_save_file_mounted(false),
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m_profile_metadata(util::nullopt), m_update_observer_manager()
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{
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/* ... */
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}
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void ProfileManager::InitializeSaveData() {
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/* Acquire locks. */
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std::scoped_lock lk1(m_general_mutex);
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std::scoped_lock lk2(m_fs_mutex);
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/* Ensure the savedata exists. */
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if (R_SUCCEEDED(CreateSaveData(m_save_data_info))) {
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m_save_file_mounted = R_SUCCEEDED(fs::MountSystemSaveData(m_save_data_info.mount_name, m_save_data_info.id));
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/* TODO: Remove this after implementation, as it's for debugging. */
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R_ABORT_UNLESS(fs::MountSdCard("sprof-dbg"));
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}
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}
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Result ProfileManager::ResetSaveData() {
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/* Acquire locks. */
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std::scoped_lock lk1(m_service_profile_mutex);
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std::scoped_lock lk2(m_profile_metadata_mutex);
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std::scoped_lock lk3(m_general_mutex);
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std::scoped_lock lk4(m_fs_mutex);
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/* Unmount save file. */
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fs::Unmount(m_save_data_info.mount_name);
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m_save_file_mounted = false;
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/* Delete save file. */
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R_TRY(fs::DeleteSystemSaveData(fs::SaveDataSpaceId::System, m_save_data_info.id, fs::InvalidUserId));
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/* Unload profile. */
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m_profile_metadata = util::nullopt;
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/* TODO m_service_profile = util::nullopt; */
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/* Create the save data. */
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R_TRY(CreateSaveData(m_save_data_info));
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/* Try to mount the save file. */
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const auto result = fs::MountSystemSaveData(m_save_data_info.mount_name, m_save_data_info.id);
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m_save_file_mounted = R_SUCCEEDED(result);
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return result;
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}
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Result ProfileManager::LoadPrimaryMetadata(ProfileMetadata *out) {
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/* Acquire locks. */
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std::scoped_lock lk1(m_profile_metadata_mutex);
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std::scoped_lock lk2(m_general_mutex);
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/* If we don't have metadata, load it. */
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if (!m_profile_metadata.has_value()) {
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/* Emplace our metadata. */
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m_profile_metadata.emplace();
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auto meta_guard = SCOPE_GUARD { m_profile_metadata = util::nullopt; };
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/* Read profile metadata. */
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char path[0x30];
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AMS_ABORT_UNLESS(util::TSNPrintf(path, sizeof(path), "%s:/%s/metadata", m_save_data_info.mount_name, "primary") < static_cast<int>(sizeof(path)));
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R_TRY(ReadFile(path, std::addressof(*m_profile_metadata), sizeof(*m_profile_metadata), 0));
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/* We read the metadata successfully. */
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meta_guard.Cancel();
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}
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/* Set the output. */
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*out = *m_profile_metadata;
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return ResultSuccess();
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}
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}
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