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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/mii/mii_database_manager.cpp | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/src/core/hle/service/mii/mii_database_manager.cpp b/src/core/hle/service/mii/mii_database_manager.cpp new file mode 100644 index 000000000..0080b6705 --- /dev/null +++ b/src/core/hle/service/mii/mii_database_manager.cpp @@ -0,0 +1,420 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "common/assert.h" +#include "common/fs/file.h" +#include "common/fs/fs.h" +#include "common/fs/path_util.h" +#include "common/logging/log.h" +#include "common/string_util.h" + +#include "core/hle/service/mii/mii_database_manager.h" +#include "core/hle/service/mii/mii_result.h" +#include "core/hle/service/mii/mii_util.h" +#include "core/hle/service/mii/types/char_info.h" +#include "core/hle/service/mii/types/store_data.h" + +namespace Service::Mii { +const char* DbFileName = "MiiDatabase.dat"; + +DatabaseManager::DatabaseManager() {} + +Result DatabaseManager::MountSaveData() { + if (!is_save_data_mounted) { + system_save_dir = + Common::FS::GetYuzuPath(Common::FS::YuzuPath::NANDDir) / "system/save/8000000000000030"; + if (is_test_db) { + system_save_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::NANDDir) / + "system/save/8000000000000031"; + } + + // mount point should be "mii:" + + if (!Common::FS::CreateDirs(system_save_dir)) { + return ResultUnknown; + } + } + + is_save_data_mounted = true; + return ResultSuccess; +} + +Result DatabaseManager::Initialize(DatabaseSessionMetadata& metadata, bool& is_database_broken) { + is_database_broken = false; + if (!is_save_data_mounted) { + return ResultInvalidArgument; + } + + database.CleanDatabase(); + update_counter++; + metadata.update_counter = update_counter; + + const Common::FS::IOFile db_file{system_save_dir / DbFileName, Common::FS::FileAccessMode::Read, + Common::FS::FileType::BinaryFile}; + + if (!db_file.IsOpen()) { + return SaveDatabase(); + } + + if (Common::FS::GetSize(system_save_dir / DbFileName) != sizeof(NintendoFigurineDatabase)) { + is_database_broken = true; + } + + if (db_file.Read(database) != 1) { + is_database_broken = true; + } + + if (is_database_broken) { + // Dragons happen here for simplicity just clean the database + LOG_ERROR(Service_Mii, "Mii database is corrupted"); + database.CleanDatabase(); + return ResultUnknown; + } + + const auto result = database.CheckIntegrity(); + + if (result.IsError()) { + LOG_ERROR(Service_Mii, "Mii database is corrupted 0x{:0x}", result.raw); + database.CleanDatabase(); + return ResultSuccess; + } + + LOG_INFO(Service_Mii, "Successfully loaded mii database. size={}", + database.GetDatabaseLength()); + return ResultSuccess; +} + +bool DatabaseManager::IsFullDatabase() const { + return database.GetDatabaseLength() == MaxDatabaseLength; +} + +bool DatabaseManager::IsModified() const { + return is_moddified; +} + +u64 DatabaseManager::GetUpdateCounter() const { + return update_counter; +} + +u32 DatabaseManager::GetCount(const DatabaseSessionMetadata& metadata) const { + const u32 database_size = database.GetDatabaseLength(); + if (metadata.magic == MiiMagic) { + return database_size; + } + + // Special mii can't be used. Skip those. + + u32 mii_count{}; + for (std::size_t index = 0; index < database_size; ++index) { + const auto& store_data = database.Get(index); + if (store_data.IsSpecial()) { + continue; + } + mii_count++; + } + + return mii_count; +} + +void DatabaseManager::Get(StoreData& out_store_data, std::size_t index, + const DatabaseSessionMetadata& metadata) const { + if (metadata.magic == MiiMagic) { + out_store_data = database.Get(index); + return; + } + + // The index refeers to the mii index without special mii. + // Search on the database until we find it + + u32 virtual_index = 0; + const u32 database_size = database.GetDatabaseLength(); + for (std::size_t i = 0; i < database_size; ++i) { + const auto& store_data = database.Get(i); + if (store_data.IsSpecial()) { + continue; + } + if (virtual_index == index) { + out_store_data = store_data; + return; + } + virtual_index++; + } + + // This function doesn't fail. It returns the first mii instead + out_store_data = database.Get(0); +} + +Result DatabaseManager::FindIndex(s32& out_index, const Common::UUID& create_id, + bool is_special) const { + u32 index{}; + const bool is_found = database.GetIndexByCreatorId(index, create_id); + + if (!is_found) { + return ResultNotFound; + } + + if (is_special) { + out_index = index; + return ResultSuccess; + } + + if (database.Get(index).IsSpecial()) { + return ResultNotFound; + } + + out_index = 0; + + if (index < 1) { + return ResultSuccess; + } + + for (std::size_t i = 0; i < index; ++i) { + if (database.Get(i).IsSpecial()) { + continue; + } + out_index++; + } + return ResultSuccess; +} + +Result DatabaseManager::FindIndex(const DatabaseSessionMetadata& metadata, u32& out_index, + const Common::UUID& create_id) const { + u32 index{}; + const bool is_found = database.GetIndexByCreatorId(index, create_id); + + if (!is_found) { + return ResultNotFound; + } + + if (metadata.magic == MiiMagic) { + out_index = index; + return ResultSuccess; + } + + if (database.Get(index).IsSpecial()) { + return ResultNotFound; + } + + out_index = 0; + + if (index < 1) { + return ResultSuccess; + } + + // The index refeers to the mii index without special mii. + // Search on the database until we find it + + for (std::size_t i = 0; i <= index; ++i) { + const auto& store_data = database.Get(i); + if (store_data.IsSpecial()) { + continue; + } + out_index++; + } + return ResultSuccess; +} + +Result DatabaseManager::FindMoveIndex(u32& out_index, u32 new_index, + const Common::UUID& create_id) const { + const auto database_size = database.GetDatabaseLength(); + + if (database_size >= 1) { + u32 virtual_index{}; + for (std::size_t i = 0; i < database_size; ++i) { + const StoreData& store_data = database.Get(i); + if (store_data.IsSpecial()) { + continue; + } + if (virtual_index == new_index) { + const bool is_found = database.GetIndexByCreatorId(out_index, create_id); + if (!is_found) { + return ResultNotFound; + } + if (store_data.IsSpecial()) { + return ResultInvalidOperation; + } + return ResultSuccess; + } + virtual_index++; + } + } + + const bool is_found = database.GetIndexByCreatorId(out_index, create_id); + if (!is_found) { + return ResultNotFound; + } + const StoreData& store_data = database.Get(out_index); + if (store_data.IsSpecial()) { + return ResultInvalidOperation; + } + return ResultSuccess; +} + +Result DatabaseManager::Move(DatabaseSessionMetadata& metadata, u32 new_index, + const Common::UUID& create_id) { + u32 current_index{}; + if (metadata.magic == MiiMagic) { + const bool is_found = database.GetIndexByCreatorId(current_index, create_id); + if (!is_found) { + return ResultNotFound; + } + } else { + const auto result = FindMoveIndex(current_index, new_index, create_id); + if (result.IsError()) { + return result; + } + } + + const auto result = database.Move(current_index, new_index); + if (result.IsFailure()) { + return result; + } + + is_moddified = true; + update_counter++; + metadata.update_counter = update_counter; + return ResultSuccess; +} + +Result DatabaseManager::AddOrReplace(DatabaseSessionMetadata& metadata, + const StoreData& store_data) { + if (store_data.IsValid() != ValidationResult::NoErrors) { + return ResultInvalidStoreData; + } + if (metadata.magic != MiiMagic && store_data.IsSpecial()) { + return ResultInvalidOperation; + } + + u32 index{}; + const bool is_found = database.GetIndexByCreatorId(index, store_data.GetCreateId()); + if (is_found) { + const StoreData& old_store_data = database.Get(index); + + if (store_data.IsSpecial() != old_store_data.IsSpecial()) { + return ResultInvalidOperation; + } + + database.Replace(index, store_data); + } else { + if (database.IsFull()) { + return ResultDatabaseFull; + } + + database.Add(store_data); + } + + is_moddified = true; + update_counter++; + metadata.update_counter = update_counter; + return ResultSuccess; +} + +Result DatabaseManager::Delete(DatabaseSessionMetadata& metadata, const Common::UUID& create_id) { + u32 index{}; + const bool is_found = database.GetIndexByCreatorId(index, create_id); + if (!is_found) { + return ResultNotFound; + } + + if (metadata.magic != MiiMagic) { + const auto& store_data = database.Get(index); + if (store_data.IsSpecial()) { + return ResultInvalidOperation; + } + } + + database.Delete(index); + + is_moddified = true; + update_counter++; + metadata.update_counter = update_counter; + return ResultSuccess; +} + +Result DatabaseManager::Append(DatabaseSessionMetadata& metadata, const CharInfo& char_info) { + if (char_info.Verify() != ValidationResult::NoErrors) { + return ResultInvalidCharInfo2; + } + if (char_info.GetType() == 1) { + return ResultInvalidCharInfoType; + } + + u32 index{}; + StoreData store_data{}; + + // Loop until the mii we created is not on the database + do { + store_data.BuildWithCharInfo(char_info); + } while (database.GetIndexByCreatorId(index, store_data.GetCreateId())); + + const Result result = store_data.Restore(); + + if (result.IsSuccess() || result == ResultNotUpdated) { + return AddOrReplace(metadata, store_data); + } + + return result; +} + +Result DatabaseManager::DestroyFile(DatabaseSessionMetadata& metadata) { + database.CorruptCrc(); + + is_moddified = true; + update_counter++; + metadata.update_counter = update_counter; + + const auto result = SaveDatabase(); + database.CleanDatabase(); + + return result; +} + +Result DatabaseManager::DeleteFile() { + const bool result = Common::FS::RemoveFile(system_save_dir / DbFileName); + // TODO: Return proper FS error here + return result ? ResultSuccess : ResultUnknown; +} + +void DatabaseManager::Format(DatabaseSessionMetadata& metadata) { + database.CleanDatabase(); + is_moddified = true; + update_counter++; + metadata.update_counter = update_counter; +} + +Result DatabaseManager::SaveDatabase() { + // TODO: Replace unknown error codes with proper FS error codes when available + + if (!Common::FS::Exists(system_save_dir / DbFileName)) { + if (!Common::FS::NewFile(system_save_dir / DbFileName)) { + LOG_ERROR(Service_Mii, "Failed to create mii database"); + return ResultUnknown; + } + } + + const auto file_size = Common::FS::GetSize(system_save_dir / DbFileName); + if (file_size != 0 && file_size != sizeof(NintendoFigurineDatabase)) { + if (!Common::FS::RemoveFile(system_save_dir / DbFileName)) { + LOG_ERROR(Service_Mii, "Failed to delete mii database"); + return ResultUnknown; + } + if (!Common::FS::NewFile(system_save_dir / DbFileName)) { + LOG_ERROR(Service_Mii, "Failed to create mii database"); + return ResultUnknown; + } + } + + const Common::FS::IOFile db_file{system_save_dir / DbFileName, + Common::FS::FileAccessMode::ReadWrite, + Common::FS::FileType::BinaryFile}; + + if (db_file.Write(database) != 1) { + LOG_ERROR(Service_Mii, "Failed to save mii database"); + return ResultUnknown; + } + + is_moddified = false; + return ResultSuccess; +} + +} // namespace Service::Mii |