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_AOSP_BINDER_SERVICE_ANDROID_H_ 18 #define UPDATE_ENGINE_AOSP_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/aosp/service_delegate_android_interface.h" 32 #include "update_engine/common/service_observer_interface.h" 33 34 namespace chromeos_update_engine { 35 36 class BinderUpdateEngineAndroidService final 37 : public android::os::BnUpdateEngine, 38 public ServiceObserverInterface { 39 public: 40 explicit BinderUpdateEngineAndroidService( 41 ServiceDelegateAndroidInterface* service_delegate); 42 ~BinderUpdateEngineAndroidService() override = default; 43 ServiceName()44 const char* ServiceName() const { return "android.os.UpdateEngineService"; } 45 46 // ServiceObserverInterface overrides. 47 void SendStatusUpdate( 48 const update_engine::UpdateEngineStatus& update_engine_status) override; 49 void SendPayloadApplicationComplete(ErrorCode error_code) override; 50 51 // android::os::BnUpdateEngine overrides. 52 android::binder::Status applyPayload( 53 const android::String16& url, 54 int64_t payload_offset, 55 int64_t payload_size, 56 const std::vector<android::String16>& header_kv_pairs) override; 57 android::binder::Status applyPayloadFd( 58 const ::android::os::ParcelFileDescriptor& pfd, 59 int64_t payload_offset, 60 int64_t payload_size, 61 const std::vector<android::String16>& header_kv_pairs) override; 62 android::binder::Status bind( 63 const android::sp<android::os::IUpdateEngineCallback>& callback, 64 bool* return_value) override; 65 android::binder::Status unbind( 66 const android::sp<android::os::IUpdateEngineCallback>& callback, 67 bool* return_value) override; 68 android::binder::Status suspend() override; 69 android::binder::Status resume() override; 70 android::binder::Status cancel() override; 71 android::binder::Status resetStatus() override; 72 android::binder::Status setShouldSwitchSlotOnReboot( 73 const android::String16& metadata_filename) override; 74 android::binder::Status resetShouldSwitchSlotOnReboot() override; 75 android::binder::Status verifyPayloadApplicable( 76 const android::String16& metadata_filename, bool* return_value) override; 77 android::binder::Status allocateSpaceForPayload( 78 const android::String16& metadata_filename, 79 const std::vector<android::String16>& header_kv_pairs, 80 int64_t* return_value) override; 81 android::binder::Status cleanupSuccessfulUpdate( 82 const android::sp<android::os::IUpdateEngineCallback>& callback) override; 83 ::android::binder::Status triggerPostinstall( 84 const ::android::String16& partition) override; 85 86 private: 87 // Remove the passed |callback| from the list of registered callbacks. Called 88 // on unbind() or whenever the callback object is destroyed. 89 // Returns true on success. 90 bool UnbindCallback(const IBinder* callback); 91 92 // List of currently bound callbacks. 93 std::vector<android::sp<android::os::IUpdateEngineCallback>> callbacks_; 94 95 // Cached copy of the last status update sent. Used to send an initial 96 // notification when bind() is called from the client. 97 int last_status_{-1}; 98 double last_progress_{0.0}; 99 100 ServiceDelegateAndroidInterface* service_delegate_; 101 }; 102 103 } // namespace chromeos_update_engine 104 105 #endif // UPDATE_ENGINE_AOSP_BINDER_SERVICE_ANDROID_H_ 106