1 // 2 // Copyright (C) 2018 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_ 18 #define UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <base/macros.h> 24 25 namespace chromeos_update_engine { 26 27 // The abstract dlcservice interface defines the interaction with the 28 // platform's dlcservice. 29 class DlcServiceInterface { 30 public: 31 virtual ~DlcServiceInterface() = default; 32 33 // Returns true and a list of installed DLC module ids in |dlc_module_ids|. 34 // On failure it returns false. 35 virtual bool GetInstalled(std::vector<std::string>* dlc_module_ids) = 0; 36 37 protected: 38 DlcServiceInterface() = default; 39 40 private: 41 DISALLOW_COPY_AND_ASSIGN(DlcServiceInterface); 42 }; 43 44 } // namespace chromeos_update_engine 45 46 #endif // UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_ 47