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 <memory> 21 #include <string> 22 #include <vector> 23 24 #include <base/macros.h> 25 26 namespace chromeos_update_engine { 27 28 // The abstract dlcservice interface defines the interaction with the 29 // platform's dlcservice. 30 class DlcServiceInterface { 31 public: 32 virtual ~DlcServiceInterface() = default; 33 34 // Returns true and a list of installed DLC ids in |dlc_ids|. 35 // On failure it returns false. 36 virtual bool GetDlcsToUpdate(std::vector<std::string>* dlc_ids) = 0; 37 38 // Returns true if dlcservice successfully handled the install completion 39 // method call, otherwise false. 40 virtual bool InstallCompleted(const std::vector<std::string>& dlc_ids) = 0; 41 42 // Returns true if dlcservice successfully handled the update completion 43 // method call, otherwise false. 44 virtual bool UpdateCompleted(const std::vector<std::string>& dlc_ids) = 0; 45 46 protected: 47 DlcServiceInterface() = default; 48 49 private: 50 DISALLOW_COPY_AND_ASSIGN(DlcServiceInterface); 51 }; 52 53 // This factory function creates a new DlcServiceInterface instance for the 54 // current platform. 55 std::unique_ptr<DlcServiceInterface> CreateDlcService(); 56 57 } // namespace chromeos_update_engine 58 59 #endif // UPDATE_ENGINE_COMMON_DLCSERVICE_INTERFACE_H_ 60