1 /* 2 * Copyright (c) 2024-2024 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 POWERMGR_UTILS_LIB_LOADER_INTERFACE_LOADER_H 17 #define POWERMGR_UTILS_LIB_LOADER_INTERFACE_LOADER_H 18 19 #include "library_loader.h" 20 #include <mutex> 21 #include <shared_mutex> 22 #include <string> 23 #include <unordered_map> 24 #include <vector> 25 26 namespace OHOS { 27 namespace PowerMgr { 28 class InterfaceLoader : public LibraryLoader { 29 public: 30 InterfaceLoader(const std::string& libPath, const std::vector<std::string>& symbolArr); 31 virtual ~InterfaceLoader() noexcept; 32 bool Init(); 33 void DeInit(); 34 void* QueryInterface(const std::string& symbol) const; 35 36 private: 37 bool LoadAllInterfaces(); 38 39 std::unordered_map<std::string, void*> interfaces_; 40 mutable std::shared_mutex shMutex_; 41 bool isInited_ {false}; 42 }; 43 44 } // namespace PowerMgr 45 } 46 47 #endif