1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HIVIEW_PLUGINS_EVENT_SERVICE_INCLUDE_SYS_EVENT_DB_BACKUP_H 17 #define HIVIEW_PLUGINS_EVENT_SERVICE_INCLUDE_SYS_EVENT_DB_BACKUP_H 18 19 #include <string> 20 21 #include "sys_event_dao.h" 22 23 namespace OHOS { 24 namespace HiviewDFX { 25 class SysEventDbBackup { 26 public: 27 SysEventDbBackup(EventStore::StoreType type); 28 ~SysEventDbBackup() = default; 29 bool IsBroken(); 30 bool Recover(); 31 bool BackupOnline(); 32 33 private: 34 bool RecoverFromBackup(); 35 bool RecoverByRebuild(); 36 void RemoveDbFile(); 37 38 private: 39 EventStore::StoreType type_; 40 std::string dbFile_; 41 std::string dbBakFile_; 42 }; // SysEventDbBackup 43 } // namespace HiviewDFX 44 } // namespace OHOS 45 #endif // HIVIEW_PLUGINS_EVENT_SERVICE_INCLUDE_SYS_EVENT_DB_BACKUP_H