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_CLIENT_LIBRARY_CLIENT_DBUS_H_ 18 #define UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_DBUS_H_ 19 20 #include <cstdint> 21 #include <memory> 22 #include <string> 23 #include <vector> 24 25 #include <base/macros.h> 26 27 #include "update_engine/client_library/include/update_engine/client.h" 28 #include "update_engine/dbus-proxies.h" 29 30 namespace update_engine { 31 namespace internal { 32 33 class DBusUpdateEngineClient : public UpdateEngineClient { 34 public: 35 DBusUpdateEngineClient() = default; 36 bool Init(); 37 38 virtual ~DBusUpdateEngineClient() = default; 39 40 bool AttemptUpdate(const std::string& app_version, 41 const std::string& omaha_url, 42 bool at_user_request) override; 43 44 bool GetStatus(int64_t* out_last_checked_time, 45 double* out_progress, 46 UpdateStatus* out_update_status, 47 std::string* out_new_version, 48 int64_t* out_new_size) const override; 49 50 bool SetCohortHint(const std::string& cohort_hint) override; 51 bool GetCohortHint(std::string* cohort_hint) const override; 52 53 bool SetUpdateOverCellularPermission(bool allowed) override; 54 bool GetUpdateOverCellularPermission(bool* allowed) const override; 55 56 bool SetP2PUpdatePermission(bool enabled) override; 57 bool GetP2PUpdatePermission(bool* enabled) const override; 58 59 bool Rollback(bool powerwash) override; 60 61 bool GetRollbackPartition(std::string* rollback_partition) const override; 62 63 void RebootIfNeeded() override; 64 65 bool GetPrevVersion(std::string* prev_version) const override; 66 67 bool ResetStatus() override; 68 69 bool SetTargetChannel(const std::string& target_channel, 70 bool allow_powerwash) override; 71 72 bool GetTargetChannel(std::string* out_channel) const override; 73 74 bool GetChannel(std::string* out_channel) const override; 75 76 bool RegisterStatusUpdateHandler(StatusUpdateHandler* handler) override; 77 bool UnregisterStatusUpdateHandler(StatusUpdateHandler* handler) override; 78 79 bool GetLastAttemptError(int32_t* last_attempt_error) const override; 80 81 bool GetEolStatus(int32_t* eol_status) const override; 82 83 private: 84 void DBusStatusHandlersRegistered(const std::string& interface, 85 const std::string& signal_name, 86 bool success) const; 87 88 // Send an initial event to new StatusUpdateHandlers. If the handler argument 89 // is not nullptr, only that handler receives the event. Otherwise all 90 // registered handlers receive the event. 91 void StatusUpdateHandlersRegistered(StatusUpdateHandler* handler) const; 92 93 void RunStatusUpdateHandlers(int64_t last_checked_time, 94 double progress, 95 const std::string& current_operation, 96 const std::string& new_version, 97 int64_t new_size); 98 99 std::unique_ptr<org::chromium::UpdateEngineInterfaceProxy> proxy_; 100 std::vector<update_engine::StatusUpdateHandler*> handlers_; 101 bool dbus_handler_registered_{false}; 102 103 DISALLOW_COPY_AND_ASSIGN(DBusUpdateEngineClient); 104 }; // class DBusUpdateEngineClient 105 106 } // namespace internal 107 } // namespace update_engine 108 109 #endif // UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_DBUS_H_ 110