1 // 2 // Copyright (C) 2020 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_AOSP_BINDER_SERVICE_STABLE_ANDROID_H_ 18 #define UPDATE_ENGINE_AOSP_BINDER_SERVICE_STABLE_ANDROID_H_ 19 20 #include <stdint.h> 21 22 #include <vector> 23 24 #include <utils/Errors.h> 25 #include <utils/String16.h> 26 #include <utils/StrongPointer.h> 27 28 #include "android/os/BnUpdateEngineStable.h" 29 #include "android/os/IUpdateEngineStableCallback.h" 30 #include "update_engine/aosp/service_delegate_android_interface.h" 31 #include "update_engine/common/service_observer_interface.h" 32 33 namespace chromeos_update_engine { 34 35 class BinderUpdateEngineAndroidStableService final 36 : public android::os::BnUpdateEngineStable, 37 public ServiceObserverInterface { 38 public: 39 explicit BinderUpdateEngineAndroidStableService( 40 ServiceDelegateAndroidInterface* service_delegate); 41 ~BinderUpdateEngineAndroidStableService() override = default; 42 ServiceName()43 const char* ServiceName() const { 44 return "android.os.UpdateEngineStableService"; 45 } 46 47 // ServiceObserverInterface overrides. 48 void SendStatusUpdate( 49 const update_engine::UpdateEngineStatus& update_engine_status) override; 50 void SendPayloadApplicationComplete(ErrorCode error_code) override; 51 52 // android::os::BnUpdateEngineStable overrides. 53 android::binder::Status applyPayloadFd( 54 const ::android::os::ParcelFileDescriptor& pfd, 55 int64_t payload_offset, 56 int64_t payload_size, 57 const std::vector<android::String16>& header_kv_pairs) override; 58 android::binder::Status bind( 59 const android::sp<android::os::IUpdateEngineStableCallback>& callback, 60 bool* return_value) override; 61 android::binder::Status unbind( 62 const android::sp<android::os::IUpdateEngineStableCallback>& callback, 63 bool* return_value) override; 64 android::binder::Status triggerPostinstall( 65 const ::android::String16& partition) override; 66 67 private: 68 // Remove the passed |callback| from the list of registered callbacks. Called 69 // on unbind() or whenever the callback object is destroyed. 70 // Returns true on success. 71 bool UnbindCallback(const IBinder* callback); 72 73 // Bound callback. The stable interface only supports one callback at a time. 74 android::sp<android::os::IUpdateEngineStableCallback> callback_; 75 76 // Cached copy of the last status update sent. Used to send an initial 77 // notification when bind() is called from the client. 78 int last_status_{-1}; 79 double last_progress_{0.0}; 80 81 ServiceDelegateAndroidInterface* service_delegate_; 82 }; 83 84 } // namespace chromeos_update_engine 85 86 #endif // UPDATE_ENGINE_AOSP_BINDER_SERVICE_STABLE_ANDROID_H_ 87