1 /* 2 * Copyright (c) 2021 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 SQLITE_SINGLE_VER_DATABASE_UPGRADER_H 17 #define SQLITE_SINGLE_VER_DATABASE_UPGRADER_H 18 19 #include "macro_utils.h" 20 #include "sqlite_utils.h" 21 #include "single_ver_database_upgrader.h" 22 23 namespace DistributedDB { 24 class SQLiteSingleVerDatabaseUpgrader : virtual public SingleVerDatabaseUpgrader { 25 public: 26 explicit SQLiteSingleVerDatabaseUpgrader(sqlite3 *db, const SecurityOption &secopt, bool isMemDb); 27 ~SQLiteSingleVerDatabaseUpgrader() override; 28 DISABLE_COPY_ASSIGN_MOVE(SQLiteSingleVerDatabaseUpgrader); 29 30 // used for transferring db file to new dir while classifycation feature in SOFTWARE_VERSION_RELEASE_3_0 31 static int TransferDatabasePath(const std::string &parentDir, const OpenDbProperties &option); 32 static int CreateDbDir(); 33 34 void SetMetaUpgrade(const SecurityOption ¤tOpt, const SecurityOption &expectOpt, const std::string &subDir); 35 void SetSubdir(const std::string &subDir); 36 static int SetPathSecOptWithCheck(const std::string &path, const SecurityOption &secOption, 37 const std::string &dbStore, bool isWithChecked = false); 38 static int SetSecOption(const std::string &path, const SecurityOption &secOption, bool isWithChecked); 39 protected: 40 int BeginUpgrade() override; 41 int EndUpgrade(bool isSuccess) override; 42 int GetDatabaseVersion(int &version) const override; 43 int SetDatabaseVersion(int version) override; 44 int UpgradeFromDatabaseVersion(int version) override; 45 void SetUpgradeSqls(int version, std::vector<std::string> &sqls, bool &isCreateUpgradeFile) const; 46 static int MoveDatabaseToNewDir(const std::string &parentDir, const std::string &upgradeLockFile); 47 static int GetDbVersion(const std::string &dbPath, const OpenDbProperties &option, int &version); 48 49 sqlite3 *db_ = nullptr; 50 SecurityOption secOpt_; 51 bool isMemDB_; 52 bool isMetaUpgrade_; 53 std::string subDir_; 54 }; 55 } // namespace DistributedDB 56 #endif // SQLITE_SINGLE_VER_DATABASE_UPGRADER_H 57