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 explicit BinderUpdateEngineAndroidService( 40 ServiceDelegateAndroidInterface* service_delegate); 41 ~BinderUpdateEngineAndroidService() override = default; 42 43 const char* ServiceName() const { return "android.os.UpdateEngineService"; } 44 45 // ServiceObserverInterface overrides. 46 void SendStatusUpdate( 47 const update_engine::UpdateEngineStatus& update_engine_status) override; 48 void SendPayloadApplicationComplete(ErrorCode error_code) override; 49 50 // android::os::BnUpdateEngine overrides. 51 android::binder::Status applyPayload( 52 const android::String16& url, 53 int64_t payload_offset, 54 int64_t payload_size, 55 const std::vector<android::String16>& header_kv_pairs) override; 56 android::binder::Status applyPayloadFd( 57 const ::android::os::ParcelFileDescriptor& pfd, 58 int64_t payload_offset, 59 int64_t payload_size, 60 const std::vector<android::String16>& header_kv_pairs) override; 61 android::binder::Status bind( 62 const android::sp<android::os::IUpdateEngineCallback>& callback, 63 bool* return_value) override; 64 android::binder::Status unbind( 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 android::binder::Status verifyPayloadApplicable( 72 const android::String16& metadata_filename, bool* return_value) override; 73 android::binder::Status allocateSpaceForPayload( 74 const android::String16& metadata_filename, 75 const std::vector<android::String16>& header_kv_pairs, 76 int64_t* return_value) override; 77 android::binder::Status cleanupSuccessfulUpdate( 78 const android::sp<android::os::IUpdateEngineCallback>& callback) override; 79 80 private: 81 // Remove the passed |callback| from the list of registered callbacks. Called 82 // on unbind() or whenever the callback object is destroyed. 83 // Returns true on success. 84 bool UnbindCallback(const IBinder* callback); 85 86 // List of currently bound callbacks. 87 std::vector<android::sp<android::os::IUpdateEngineCallback>> callbacks_; 88 89 // Cached copy of the last status update sent. Used to send an initial 90 // notification when bind() is called from the client. 91 int last_status_{-1}; 92 double last_progress_{0.0}; 93 94 ServiceDelegateAndroidInterface* service_delegate_; 95 }; 96 97 } // namespace chromeos_update_engine 98 99 #endif // UPDATE_ENGINE_BINDER_SERVICE_ANDROID_H_ 100