1 /* 2 * Copyright (c) 2024-2025 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_BASE_EVENT_EXPORT_EXPORT_DB_MGR_H 17 #define HIVIEW_BASE_EVENT_EXPORT_EXPORT_DB_MGR_H 18 19 #include <string> 20 21 #include "export_db_storage.h" 22 #include "ffrt.h" 23 24 namespace OHOS { 25 namespace HiviewDFX { 26 class ExportDbManager { 27 public: 28 static ExportDbManager& GetInstance(); 29 30 int64_t GetExportEnabledSeq(const std::string& moduleName); 31 int64_t GetExportBeginSeq(const std::string& moduleName); 32 int64_t GetExportEndSeq(const std::string& moduleName); 33 void HandleExportSwitchChanged(const std::string& moduleName, int64_t curSeq); 34 void HandleExportTaskFinished(const std::string& moduleName, int64_t eventSeq); 35 bool IsUnrecordedModule(const std::string& moduleName); 36 std::string GetEventInheritFlagPath(const std::string& moduleName); 37 38 private: 39 ExportDbManager(); 40 ~ExportDbManager() = default; 41 42 private: 43 ffrt::mutex dbMutex_; 44 std::string dbStoreDir_; 45 }; 46 } // namespace HiviewDFX 47 } // namespace OHOS 48 49 #endif // HIVIEW_BASE_EVENT_EXPORT_MODULE_EXPORT_MGR_H