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_BINDER_SERVICE_ANDROID_H_ 18 #define UPDATE_ENGINE_BINDER_SERVICE_ANDROID_H_ 19 20 #include <stdint.h> 21 22 #include <string> 23 #include <vector> 24 25 #include <utils/Errors.h> 26 #include <utils/String16.h> 27 #include <utils/StrongPointer.h> 28 29 #include "android/os/BnUpdateEngine.h" 30 #include "android/os/IUpdateEngineCallback.h" 31 #include "update_engine/service_delegate_android_interface.h" 32 #include "update_engine/service_observer_interface.h" 33 34 namespace chromeos_update_engine { 35 36 class BinderUpdateEngineAndroidService : public android::os::BnUpdateEngine, 37 public ServiceObserverInterface { 38 public: 39 BinderUpdateEngineAndroidService( 40 ServiceDelegateAndroidInterface* service_delegate); 41 ~BinderUpdateEngineAndroidService() override = default; 42 ServiceName()43 const char* ServiceName() const { 44 return "android.os.UpdateEngineService"; 45 } 46 47 // ServiceObserverInterface overrides. 48 void SendStatusUpdate(int64_t last_checked_time, 49 double progress, 50 update_engine::UpdateStatus status, 51 const std::string& new_version, 52 int64_t new_size) override; 53 void SendPayloadApplicationComplete(ErrorCode error_code) override; 54 55 // Channel tracking changes are ignored. SendChannelChangeUpdate(const std::string & tracking_channel)56 void SendChannelChangeUpdate(const std::string& tracking_channel) override {} 57 58 // android::os::BnUpdateEngine overrides. 59 android::binder::Status applyPayload( 60 const android::String16& url, 61 int64_t payload_offset, 62 int64_t payload_size, 63 const std::vector<android::String16>& header_kv_pairs) override; 64 android::binder::Status bind( 65 const android::sp<android::os::IUpdateEngineCallback>& callback, 66 bool* return_value) override; 67 android::binder::Status suspend() override; 68 android::binder::Status resume() override; 69 android::binder::Status cancel() override; 70 android::binder::Status resetStatus() override; 71 72 private: 73 // Remove the passed |callback| from the list of registered callbacks. Called 74 // whenever the callback object is destroyed. 75 void UnbindCallback(android::os::IUpdateEngineCallback* callback); 76 77 // List of currently bound callbacks. 78 std::vector<android::sp<android::os::IUpdateEngineCallback>> callbacks_; 79 80 // Cached copy of the last status update sent. Used to send an initial 81 // notification when bind() is called from the client. 82 int last_status_{-1}; 83 double last_progress_{0.0}; 84 85 ServiceDelegateAndroidInterface* service_delegate_; 86 }; 87 88 } // namespace chromeos_update_engine 89 90 #endif // UPDATE_ENGINE_BINDER_SERVICE_ANDROID_H_ 91