1 // 2 // Copyright (C) 2015 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_WEAVE_SERVICE_INTERFACE_H_ 18 #define UPDATE_ENGINE_WEAVE_SERVICE_INTERFACE_H_ 19 20 #include <string> 21 22 #include <brillo/errors/error.h> 23 24 #include "update_engine/client_library/include/update_engine/update_status.h" 25 #include "update_engine/service_observer_interface.h" 26 27 namespace chromeos_update_engine { 28 29 // A WeaveServiceInterface instance allows to register the daemon with weaved, 30 // handle commands and update the weave status. This class only handles the 31 // registration with weaved and the connection, the actual work to handle the 32 // commands is implemented by the DelegateInterface, which will be called from 33 // this class. 34 class WeaveServiceInterface : public ServiceObserverInterface { 35 public: 36 // The delegate class that actually handles the command execution from 37 class DelegateInterface { 38 public: 39 virtual ~DelegateInterface() = default; 40 41 virtual bool OnCheckForUpdates(brillo::ErrorPtr* error) = 0; 42 43 virtual bool OnTrackChannel(const std::string& channel, 44 brillo::ErrorPtr* error) = 0; 45 46 // Return the current status. 47 virtual bool GetWeaveState(int64_t* last_checked_time, 48 double* progress, 49 update_engine::UpdateStatus* update_status, 50 std::string* current_channel, 51 std::string* tracking_channel) = 0; 52 }; 53 54 virtual ~WeaveServiceInterface() = default; 55 56 protected: 57 WeaveServiceInterface() = default; 58 }; 59 60 } // namespace chromeos_update_engine 61 62 #endif // UPDATE_ENGINE_WEAVE_SERVICE_INTERFACE_H_ 63