| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.car; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.os.IBinder; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.support.car.Car; |
| import android.support.car.ICar; |
| import android.support.car.ICarConnectionListener; |
| import android.util.Log; |
| |
| import com.android.car.CarSystem; |
| import com.android.car.hal.VehicleHal; |
| import com.android.car.pm.CarPackageManagerService; |
| import com.android.internal.annotations.GuardedBy; |
| |
| import java.io.PrintWriter; |
| import java.util.Collection; |
| |
| public class ICarImpl extends ICar.Stub { |
| private static final int VERSION = 1; |
| |
| @GuardedBy("ICarImpl.class") |
| private static ICarImpl sInstance = null; |
| |
| private final Context mContext; |
| private final VehicleHal mHal; |
| |
| private final CarPowerManagementService mCarPowerManagementService; |
| private final CarSensorService mCarSensorService; |
| private final CarInfoService mCarInfoService; |
| private final CarAudioService mCarAudioService; |
| private final CarHvacService mCarHvacService; |
| private final CarRadioService mCarRadioService; |
| private final AppContextService mAppContextService; |
| private final CarPackageManagerService mCarPackageManagerService; |
| |
| /** Test only service. Populate it only when necessary. */ |
| @GuardedBy("this") |
| private CarTestService mCarTestService; |
| private final CarServiceBase[] mAllServices; |
| |
| /** Holds connection listener from client. Only necessary for mocking. */ |
| private final BinderInterfaceContainer<ICarConnectionListener> mCarConnectionListeners = |
| new BinderInterfaceContainer<>(null); |
| |
| public synchronized static ICarImpl getInstance(Context serviceContext) { |
| if (sInstance == null) { |
| sInstance = new ICarImpl(serviceContext); |
| sInstance.init(); |
| } |
| return sInstance; |
| } |
| |
| public synchronized static void releaseInstance() { |
| if (sInstance == null) { |
| return; |
| } |
| sInstance.release(); |
| sInstance = null; |
| } |
| |
| public ICarImpl(Context serviceContext) { |
| mContext = serviceContext; |
| mHal = VehicleHal.getInstance(); |
| mCarPowerManagementService = new CarPowerManagementService(serviceContext); |
| mCarInfoService = new CarInfoService(serviceContext); |
| mAppContextService = new AppContextService(serviceContext); |
| mCarSensorService = new CarSensorService(serviceContext); |
| mCarAudioService = new CarAudioService(serviceContext, mAppContextService); |
| mCarHvacService = new CarHvacService(serviceContext); |
| mCarRadioService = new CarRadioService(serviceContext); |
| mCarPackageManagerService = new CarPackageManagerService(serviceContext); |
| |
| // Be careful with order. Service depending on other service should be inited later. |
| mAllServices = new CarServiceBase[] { |
| mCarPowerManagementService, |
| mCarPackageManagerService, |
| mCarInfoService, |
| mAppContextService, |
| mCarSensorService, |
| mCarAudioService, |
| mCarHvacService, |
| mCarRadioService, |
| }; |
| } |
| |
| private void init() { |
| for (CarServiceBase service: mAllServices) { |
| service.init(); |
| } |
| } |
| |
| private void release() { |
| mCarConnectionListeners.clear(); |
| // release done in opposite order from init |
| for (int i = mAllServices.length - 1; i >= 0; i--) { |
| mAllServices[i].release(); |
| } |
| VehicleHal.releaseInstance(); |
| } |
| |
| /** Only for CarTestService */ |
| void startMocking() { |
| reinitServices(); |
| } |
| |
| /** Only for CarTestService */ |
| void stopMocking() { |
| reinitServices(); |
| } |
| |
| /** Reset all services when starting / stopping vehicle hal mocking */ |
| private void reinitServices() { |
| for (int i = mAllServices.length - 1; i >= 0; i--) { |
| mAllServices[i].release(); |
| } |
| for (CarServiceBase service: mAllServices) { |
| service.init(); |
| } |
| // send disconnect event and connect event to all clients. |
| Collection<BinderInterfaceContainer.BinderInterface<ICarConnectionListener>> |
| connectionListeners = mCarConnectionListeners.getInterfaces(); |
| for (BinderInterfaceContainer.BinderInterface<ICarConnectionListener> client : |
| connectionListeners) { |
| try { |
| client.binderInterface.onDisconnected(); |
| } catch (RemoteException e) { |
| //ignore |
| } |
| } |
| for (BinderInterfaceContainer.BinderInterface<ICarConnectionListener> client : |
| connectionListeners) { |
| try { |
| client.binderInterface.onConnected(Car.CONNECTION_TYPE_EMBEDDED); |
| } catch (RemoteException e) { |
| //ignore |
| } |
| } |
| } |
| |
| @Override |
| public int getVersion() { |
| return VERSION; |
| } |
| |
| @Override |
| public IBinder getCarService(String serviceName) { |
| switch (serviceName) { |
| case Car.SENSOR_SERVICE: |
| return mCarSensorService; |
| case Car.INFO_SERVICE: |
| return mCarInfoService; |
| |
| case Car.APP_CONTEXT_SERVICE: |
| return mAppContextService; |
| |
| case Car.PACKAGE_SERVICE: |
| return mCarPackageManagerService; |
| |
| case CarSystem.HVAC_SERVICE: |
| assertHvacPermission(mContext); |
| return mCarHvacService; |
| |
| case CarSystem.RADIO_SERVICE: |
| assertRadioPermission(mContext); |
| return mCarRadioService; |
| case CarSystemTest.TEST_SERVICE: { |
| assertVehicleHalMockPermission(mContext); |
| synchronized (this) { |
| if (mCarTestService == null) { |
| mCarTestService = new CarTestService(mContext, this); |
| } |
| return mCarTestService; |
| } |
| } |
| default: |
| Log.w(CarLog.TAG_SERVICE, "getCarService for unknown service:" + serviceName); |
| return null; |
| } |
| } |
| |
| @Override |
| public boolean isConnectedToCar() { |
| return true; // always connected in embedded |
| } |
| |
| @Override |
| public int getCarConnectionType() { |
| return Car.CONNECTION_TYPE_EMBEDDED; |
| } |
| |
| @Override |
| public void registerCarConnectionListener(int clientVersion, ICarConnectionListener listener) { |
| mCarConnectionListeners.addBinder(clientVersion, listener); |
| try { |
| listener.onConnected(Car.CONNECTION_TYPE_EMBEDDED); |
| } catch (RemoteException e) { |
| //ignore |
| } |
| } |
| |
| @Override |
| public void unregisterCarConnectionListener(ICarConnectionListener listener) { |
| mCarConnectionListeners.removeBinder(listener); |
| } |
| |
| /** |
| * Whether mocking underlying HAL or not. |
| * @return |
| */ |
| public synchronized boolean isInMocking() { |
| if (mCarTestService == null) { |
| return false; |
| } |
| return mCarTestService.isInMocking(); |
| } |
| |
| public static void assertVehicleHalMockPermission(Context context) { |
| if (context.checkCallingOrSelfPermission(CarSystemTest.PERMISSION_MOCK_VEHICLE_HAL) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("requires CAR_MOCK_VEHICLE_HAL permission"); |
| } |
| } |
| |
| public static void assertHvacPermission(Context context) { |
| if (context.checkCallingOrSelfPermission(CarSystem.PERMISSION_CAR_HVAC) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "requires " + CarSystem.PERMISSION_CAR_HVAC); |
| } |
| } |
| |
| private static void assertRadioPermission(Context context) { |
| if (context.checkCallingOrSelfPermission(CarSystem.PERMISSION_CAR_RADIO) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "requires permission " + CarSystem.PERMISSION_CAR_RADIO); |
| } |
| } |
| |
| void dump(PrintWriter writer) { |
| writer.println("*Dump all services*"); |
| for (CarServiceBase service: mAllServices) { |
| service.dump(writer); |
| } |
| CarTestService testService = mCarTestService; |
| if (testService != null) { |
| testService.dump(writer); |
| } |
| } |
| } |