keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 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 | package com.android.car; |
| 18 | |
Keun-young Park | e54ac27 | 2016-02-16 19:02:18 -0800 | [diff] [blame] | 19 | import android.car.Car; |
| 20 | import android.car.hardware.CarSensorEvent; |
| 21 | import android.car.hardware.CarSensorManager; |
| 22 | import android.car.hardware.ICarSensor; |
| 23 | import android.car.hardware.ICarSensorEventListener; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 24 | import android.content.Context; |
| 25 | import android.content.pm.PackageManager; |
| 26 | import android.os.Binder; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 27 | import android.os.Handler; |
| 28 | import android.os.HandlerThread; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 29 | import android.os.IBinder; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 30 | import android.os.Looper; |
| 31 | import android.os.Message; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 32 | import android.os.Process; |
| 33 | import android.os.RemoteException; |
| 34 | import android.os.SystemClock; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 35 | import android.util.Log; |
| 36 | import android.util.SparseArray; |
| 37 | import android.util.SparseBooleanArray; |
| 38 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 39 | import com.android.car.hal.VehicleHal; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 40 | import com.android.car.hal.SensorHalService; |
| 41 | import com.android.car.hal.SensorHalServiceBase; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 42 | import com.android.internal.annotations.GuardedBy; |
| 43 | |
| 44 | import java.io.PrintWriter; |
| 45 | import java.util.Arrays; |
| 46 | import java.util.ConcurrentModificationException; |
| 47 | import java.util.LinkedList; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 48 | import java.util.List; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 49 | import java.util.concurrent.TimeUnit; |
| 50 | import java.util.concurrent.atomic.AtomicBoolean; |
| 51 | import java.util.concurrent.locks.ReentrantLock; |
| 52 | |
| 53 | |
| 54 | public class CarSensorService extends ICarSensor.Stub |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 55 | implements CarServiceBase, SensorHalService.SensorListener { |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 56 | |
| 57 | /** |
| 58 | * Abstraction for logical sensor which is not physical sensor but presented as sensor to |
| 59 | * upper layer. Currently {@link CarSensorManager#SENSOR_TYPE_NIGHT} and |
| 60 | * {@link CarSensorManager#SENSOR_TYPE_DRIVING_STATUS} falls into this category. |
| 61 | * Implementation can call {@link CarSensorService#onSensorData(CarSensorEvent)} when there |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 62 | * is state change for the given sensor after {@link SensorHalServiceBase#init()} |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 63 | * is called. |
| 64 | */ |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 65 | public static abstract class LogicalSensorHalBase extends SensorHalServiceBase { |
| 66 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 67 | /** Sensor service is ready and all vehicle sensors are available. */ |
| 68 | public abstract void onSensorServiceReady(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 69 | } |
| 70 | |
keunyoung | fe30ba0 | 2015-09-17 17:56:35 -0700 | [diff] [blame] | 71 | /** |
| 72 | * When set, sensor service sets its own dispatching rate limit. |
| 73 | * VehicleNetworkService is already doing this, so not necessary to set it for now. |
| 74 | */ |
| 75 | private static final boolean ENABLE_DISPATCHING_LIMIT = false; |
| 76 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 77 | /** {@link #mSensorLock} is not waited forever for handling disconnection */ |
| 78 | private static final long MAX_SENSOR_LOCK_WAIT_MS = 1000; |
| 79 | |
| 80 | /** lock to access sensor structures */ |
| 81 | private final ReentrantLock mSensorLock = new ReentrantLock(); |
| 82 | /** hold clients callback */ |
| 83 | @GuardedBy("mSensorLock") |
| 84 | private final LinkedList<SensorClient> mClients = new LinkedList<SensorClient>(); |
Keun-young Park | 901392c | 2016-05-06 14:50:11 -0700 | [diff] [blame] | 85 | /** should be used only as temp data for event dispatching */ |
| 86 | private final LinkedList<SensorClient> mClientDispatchList = new LinkedList<>(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 87 | /** key: sensor type. */ |
| 88 | @GuardedBy("mSensorLock") |
| 89 | private final SparseArray<SensorListeners> mSensorListeners = new SparseArray<>(); |
| 90 | /** key: sensor type. */ |
| 91 | @GuardedBy("mSensorLock") |
| 92 | private final SparseArray<SensorRecord> mSensorRecords = new SparseArray<>(); |
| 93 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 94 | private final SensorHalService mSensorHal; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 95 | private int[] mCarProvidedSensors; |
| 96 | private int[] mSupportedSensors; |
| 97 | private final AtomicBoolean mSensorDiscovered = new AtomicBoolean(false); |
| 98 | |
| 99 | private final Context mContext; |
| 100 | |
| 101 | private final DrivingStatePolicy mDrivingStatePolicy; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 102 | private boolean mUseDefaultDrivingPolicy = true; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 103 | private final DayNightModePolicy mDayNightModePolicy; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 104 | private boolean mUseDefaultDayNightModePolicy = true; |
| 105 | |
| 106 | private final HandlerThread mHandlerThread; |
| 107 | private final SensorDispatchHandler mSensorDispatchHandler; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 108 | |
| 109 | public CarSensorService(Context context) { |
| 110 | mContext = context; |
keunyoung | fe30ba0 | 2015-09-17 17:56:35 -0700 | [diff] [blame] | 111 | if (ENABLE_DISPATCHING_LIMIT) { |
| 112 | mHandlerThread = new HandlerThread("SENSOR", Process.THREAD_PRIORITY_AUDIO); |
| 113 | mHandlerThread.start(); |
| 114 | mSensorDispatchHandler = new SensorDispatchHandler(mHandlerThread.getLooper()); |
| 115 | } else { |
| 116 | mHandlerThread = null; |
| 117 | mSensorDispatchHandler = null; |
| 118 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 119 | // This triggers sensor hal init as well. |
keunyoung | fe30ba0 | 2015-09-17 17:56:35 -0700 | [diff] [blame] | 120 | mSensorHal = VehicleHal.getInstance().getSensorHal(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 121 | mDrivingStatePolicy = new DrivingStatePolicy(context); |
| 122 | mDayNightModePolicy = new DayNightModePolicy(context); |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public void init() { |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 127 | mSensorLock.lock(); |
| 128 | try { |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 129 | mSensorHal.registerSensorListener(this); |
| 130 | mCarProvidedSensors = mSensorHal.getSupportedSensors(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 131 | mSupportedSensors = refreshSupportedSensorsLocked(); |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 132 | CarSensorEvent event = null; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 133 | if (mUseDefaultDrivingPolicy) { |
| 134 | mDrivingStatePolicy.init(); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 135 | mDrivingStatePolicy.registerSensorListener(this); |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 136 | } else { |
| 137 | event = mSensorHal.getCurrentSensorValue( |
| 138 | CarSensorManager.SENSOR_TYPE_DRIVING_STATUS); |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 139 | Log.i(CarLog.TAG_SENSOR, "initial driving status:" + ((event == null)? |
| 140 | "not ready" : " 0x" + Integer.toHexString(event.intValues[0]))); |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 141 | } |
| 142 | if (event == null) { |
| 143 | event = DrivingStatePolicy.getDefaultValue( |
| 144 | CarSensorManager.SENSOR_TYPE_DRIVING_STATUS); |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 145 | if (!mUseDefaultDrivingPolicy) { |
| 146 | Log.w(CarLog.TAG_SENSOR, "Default driving status set as sensor not ready"); |
| 147 | } |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 148 | } |
keunyoung | 1ab8e18 | 2015-09-24 09:25:22 -0700 | [diff] [blame] | 149 | // always populate default value |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 150 | addNewSensorRecordLocked(CarSensorManager.SENSOR_TYPE_DRIVING_STATUS, event); |
| 151 | event = null; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 152 | if (mUseDefaultDayNightModePolicy) { |
| 153 | mDayNightModePolicy.init(); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 154 | mDayNightModePolicy.registerSensorListener(this); |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 155 | } else { |
| 156 | event = mSensorHal.getCurrentSensorValue(CarSensorManager.SENSOR_TYPE_NIGHT); |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 157 | Log.i(CarLog.TAG_SENSOR, "initial daynight:" + ((event == null)? |
| 158 | "not ready" : + event.intValues[0])); |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 159 | } |
| 160 | if (event == null) { |
| 161 | event = DayNightModePolicy.getDefaultValue(CarSensorManager.SENSOR_TYPE_NIGHT); |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 162 | if (!mUseDefaultDayNightModePolicy) { |
| 163 | Log.w(CarLog.TAG_SENSOR, "Default daynight set as sensor not ready"); |
| 164 | } |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 165 | } |
keunyoung | 1ab8e18 | 2015-09-24 09:25:22 -0700 | [diff] [blame] | 166 | // always populate default value |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 167 | addNewSensorRecordLocked(CarSensorManager.SENSOR_TYPE_NIGHT, event); |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 168 | notifyDefaultPoliciesLocked(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 169 | } finally { |
| 170 | mSensorLock.unlock(); |
| 171 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | private void addNewSensorRecordLocked(int type, CarSensorEvent event) { |
| 175 | SensorRecord record = new SensorRecord(); |
| 176 | record.lastEvent = event; |
| 177 | mSensorRecords.put(type,record); |
| 178 | } |
| 179 | |
| 180 | @Override |
| 181 | public void release() { |
keunyoung | 1ab8e18 | 2015-09-24 09:25:22 -0700 | [diff] [blame] | 182 | if (mHandlerThread != null) { |
| 183 | mHandlerThread.quit(); |
| 184 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 185 | tryHoldSensorLock(); |
| 186 | try { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 187 | if (mUseDefaultDrivingPolicy) { |
| 188 | mDrivingStatePolicy.release(); |
| 189 | } |
| 190 | if (mUseDefaultDayNightModePolicy) { |
| 191 | mDayNightModePolicy.release(); |
| 192 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 193 | for (int i = mSensorListeners.size() - 1; i >= 0; --i) { |
| 194 | SensorListeners listener = mSensorListeners.valueAt(i); |
| 195 | listener.release(); |
| 196 | } |
| 197 | mSensorListeners.clear(); |
| 198 | mSensorRecords.clear(); |
| 199 | mClients.clear(); |
| 200 | } finally { |
| 201 | releaseSensorLockSafely(); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | private void tryHoldSensorLock() { |
| 206 | try { |
| 207 | mSensorLock.tryLock(MAX_SENSOR_LOCK_WAIT_MS, TimeUnit.MILLISECONDS); |
| 208 | } catch (InterruptedException e) { |
| 209 | //ignore |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | private void releaseSensorLockSafely() { |
| 214 | if (mSensorLock.isHeldByCurrentThread()) { |
| 215 | mSensorLock.unlock(); |
| 216 | } |
| 217 | } |
| 218 | |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 219 | private void notifyDefaultPoliciesLocked() { |
| 220 | if (mUseDefaultDrivingPolicy) { |
| 221 | mDrivingStatePolicy.onSensorServiceReady(); |
| 222 | } |
| 223 | if (mUseDefaultDayNightModePolicy) { |
| 224 | mDayNightModePolicy.onSensorServiceReady(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 225 | } |
| 226 | } |
| 227 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 228 | private void processSensorData(List<CarSensorEvent> events) { |
| 229 | mSensorLock.lock(); |
| 230 | for (CarSensorEvent event: events) { |
| 231 | SensorRecord record = mSensorRecords.get(event.sensorType); |
| 232 | if (record != null) { |
| 233 | if (record.lastEvent == null) { |
| 234 | record.lastEvent = event; |
Jason Tholstrup | d72b535 | 2016-09-22 16:32:14 -0700 | [diff] [blame] | 235 | } else if (record.lastEvent.timestamp < event.timestamp) { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 236 | record.lastEvent = event; |
| 237 | //TODO recycle event |
| 238 | } else { // wrong timestamp, throw away this. |
| 239 | //TODO recycle new event |
| 240 | continue; |
| 241 | } |
| 242 | SensorListeners listeners = mSensorListeners.get(event.sensorType); |
| 243 | if (listeners != null) { |
| 244 | listeners.queueSensorEvent(event); |
| 245 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 246 | } |
| 247 | } |
Keun-young Park | 901392c | 2016-05-06 14:50:11 -0700 | [diff] [blame] | 248 | mClientDispatchList.addAll(mClients); |
| 249 | mSensorLock.unlock(); |
| 250 | for (SensorClient client: mClientDispatchList) { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 251 | client.dispatchSensorUpdate(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 252 | } |
Keun-young Park | 901392c | 2016-05-06 14:50:11 -0700 | [diff] [blame] | 253 | mClientDispatchList.clear(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Received sensor data from car. |
| 258 | * |
| 259 | * @param event |
| 260 | */ |
| 261 | @Override |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 262 | public void onSensorEvents(List<CarSensorEvent> events) { |
keunyoung | fe30ba0 | 2015-09-17 17:56:35 -0700 | [diff] [blame] | 263 | if (ENABLE_DISPATCHING_LIMIT) { |
| 264 | mSensorDispatchHandler.handleSensorEvents(events); |
| 265 | } else { |
| 266 | processSensorData(events); |
| 267 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | @Override |
| 271 | public int[] getSupportedSensors() { |
Vitalii Tomkiv | a838636 | 2016-07-29 12:27:25 -0700 | [diff] [blame] | 272 | mSensorLock.lock(); |
Vitalii Tomkiv | bb05104 | 2016-07-27 17:13:24 -0700 | [diff] [blame] | 273 | int[] supportedSensors = mSupportedSensors; |
Vitalii Tomkiv | a838636 | 2016-07-29 12:27:25 -0700 | [diff] [blame] | 274 | mSensorLock.unlock(); |
Vitalii Tomkiv | bb05104 | 2016-07-27 17:13:24 -0700 | [diff] [blame] | 275 | return supportedSensors; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 276 | } |
| 277 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 278 | @Override |
| 279 | public boolean registerOrUpdateSensorListener(int sensorType, int rate, |
Keun-young Park | e54ac27 | 2016-02-16 19:02:18 -0800 | [diff] [blame] | 280 | ICarSensorEventListener listener) { |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 281 | boolean shouldStartSensors = false; |
| 282 | SensorRecord sensorRecord = null; |
| 283 | SensorClient sensorClient = null; |
| 284 | Integer oldRate = null; |
| 285 | SensorListeners sensorListeners = null; |
| 286 | mSensorLock.lock(); |
| 287 | try { |
| 288 | sensorRecord = mSensorRecords.get(sensorType); |
| 289 | if (sensorRecord == null) { |
| 290 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.INFO)) { |
| 291 | Log.i(CarLog.TAG_SENSOR, "Requested sensor " + sensorType + " not supported"); |
| 292 | } |
| 293 | return false; |
| 294 | } |
| 295 | if (Binder.getCallingUid() != Process.myUid()) { |
| 296 | switch (getSensorPermission(sensorType)) { |
| 297 | case PackageManager.PERMISSION_DENIED: |
| 298 | throw new SecurityException("client does not have permission:" |
| 299 | + getPermissionName(sensorType) |
| 300 | + " pid:" + Binder.getCallingPid() |
| 301 | + " uid:" + Binder.getCallingUid()); |
| 302 | case PackageManager.PERMISSION_GRANTED: |
| 303 | break; |
| 304 | } |
| 305 | } |
| 306 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 307 | Log.d(CarLog.TAG_SENSOR, "registerOrUpdateSensorListener " + sensorType + " " + |
| 308 | listener); |
| 309 | } |
| 310 | sensorClient = findSensorClientLocked(listener); |
| 311 | SensorClientWithRate sensorClientWithRate = null; |
| 312 | sensorListeners = mSensorListeners.get(sensorType); |
| 313 | if (sensorClient == null) { |
| 314 | sensorClient = new SensorClient(listener); |
| 315 | try { |
| 316 | listener.asBinder().linkToDeath(sensorClient, 0); |
| 317 | } catch (RemoteException e) { |
| 318 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.INFO)) { |
| 319 | Log.i(CarLog.TAG_SENSOR, "Adding listener failed."); |
| 320 | } |
| 321 | return false; |
| 322 | } |
| 323 | mClients.add(sensorClient); |
| 324 | } |
| 325 | // If we have a cached event for this sensor, send the event. |
| 326 | SensorRecord record = mSensorRecords.get(sensorType); |
| 327 | if (record != null && record.lastEvent != null) { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 328 | sensorClient.queueSensorEvent(record.lastEvent); |
| 329 | sensorClient.dispatchSensorUpdate(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 330 | } |
| 331 | if (sensorListeners == null) { |
| 332 | sensorListeners = new SensorListeners(rate); |
| 333 | mSensorListeners.put(sensorType, sensorListeners); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 334 | shouldStartSensors = true; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 335 | } else { |
| 336 | oldRate = Integer.valueOf(sensorListeners.getRate()); |
| 337 | sensorClientWithRate = sensorListeners.findSensorClientWithRate(sensorClient); |
| 338 | } |
| 339 | if (sensorClientWithRate == null) { |
| 340 | sensorClientWithRate = new SensorClientWithRate(sensorClient, rate); |
| 341 | sensorListeners.addSensorClientWithRate(sensorClientWithRate); |
| 342 | } else { |
| 343 | sensorClientWithRate.setRate(rate); |
| 344 | } |
| 345 | if (sensorListeners.getRate() > rate) { |
| 346 | sensorListeners.setRate(rate); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 347 | shouldStartSensors = sensorSupportRate(sensorType); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 348 | } |
| 349 | sensorClient.addSensor(sensorType); |
| 350 | } finally { |
| 351 | mSensorLock.unlock(); |
| 352 | } |
| 353 | // start sensor outside lock as it can take time. |
| 354 | if (shouldStartSensors) { |
| 355 | if (!startSensor(sensorRecord, sensorType, rate)) { |
| 356 | // failed. so remove from active sensor list. |
| 357 | mSensorLock.lock(); |
| 358 | try { |
| 359 | sensorClient.removeSensor(sensorType); |
| 360 | if (oldRate != null) { |
| 361 | sensorListeners.setRate(oldRate); |
| 362 | } else { |
| 363 | mSensorListeners.remove(sensorType); |
| 364 | } |
| 365 | } finally { |
| 366 | mSensorLock.unlock(); |
| 367 | } |
| 368 | return false; |
| 369 | } |
| 370 | } |
| 371 | return true; |
| 372 | } |
| 373 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 374 | private boolean sensorSupportRate(int sensorType) { |
| 375 | switch (sensorType) { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 376 | case CarSensorManager.SENSOR_TYPE_CAR_SPEED: |
| 377 | case CarSensorManager.SENSOR_TYPE_RPM: |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 378 | return true; |
| 379 | case CarSensorManager.SENSOR_TYPE_ODOMETER: |
| 380 | case CarSensorManager.SENSOR_TYPE_FUEL_LEVEL: |
| 381 | case CarSensorManager.SENSOR_TYPE_PARKING_BRAKE: |
| 382 | case CarSensorManager.SENSOR_TYPE_GEAR: |
| 383 | case CarSensorManager.SENSOR_TYPE_NIGHT: |
| 384 | case CarSensorManager.SENSOR_TYPE_DRIVING_STATUS: |
| 385 | case CarSensorManager.SENSOR_TYPE_ENVIRONMENT: |
| 386 | return false; |
| 387 | default: |
| 388 | Log.w(CarLog.TAG_SENSOR, "sensorSupportRate not listed sensor:" + sensorType); |
| 389 | return false; |
| 390 | } |
| 391 | } |
| 392 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 393 | private int getSensorPermission(int sensorType) { |
| 394 | String permission = getPermissionName(sensorType); |
| 395 | int result = PackageManager.PERMISSION_GRANTED; |
| 396 | if (permission != null) { |
Keun-young Park | 064ddd8 | 2015-12-21 23:57:50 +0000 | [diff] [blame] | 397 | return mContext.checkCallingOrSelfPermission(permission); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 398 | } |
| 399 | // If no permission is required, return granted. |
| 400 | return result; |
| 401 | } |
| 402 | |
keunyoung | fe30ba0 | 2015-09-17 17:56:35 -0700 | [diff] [blame] | 403 | //TODO handle per property OEM permission |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 404 | private String getPermissionName(int sensorType) { |
Keun-young Park | 064ddd8 | 2015-12-21 23:57:50 +0000 | [diff] [blame] | 405 | if ((sensorType >= CarSensorManager.SENSOR_TYPE_VENDOR_EXTENSION_START) && |
| 406 | (sensorType >= CarSensorManager.SENSOR_TYPE_VENDOR_EXTENSION_END)) { |
| 407 | return Car.PERMISSION_VENDOR_EXTENSION; |
| 408 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 409 | String permission = null; |
| 410 | switch (sensorType) { |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 411 | case CarSensorManager.SENSOR_TYPE_CAR_SPEED: |
| 412 | permission = Car.PERMISSION_SPEED; |
| 413 | break; |
| 414 | case CarSensorManager.SENSOR_TYPE_ODOMETER: |
| 415 | permission = Car.PERMISSION_MILEAGE; |
| 416 | break; |
| 417 | case CarSensorManager.SENSOR_TYPE_FUEL_LEVEL: |
| 418 | permission = Car.PERMISSION_FUEL; |
| 419 | break; |
| 420 | default: |
| 421 | break; |
| 422 | } |
| 423 | return permission; |
| 424 | } |
| 425 | |
| 426 | private boolean startSensor(SensorRecord record, int sensorType, int rate) { |
| 427 | //TODO choose proper sensor rate per each sensor. |
| 428 | //Some sensors which report only when there is change should be always set with maximum |
| 429 | //rate. For now, set every sensor to the maximum. |
| 430 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.VERBOSE)) { |
| 431 | Log.v(CarLog.TAG_SENSOR, "startSensor " + sensorType + " with rate " + rate); |
| 432 | } |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 433 | SensorHalServiceBase sensorHal = getSensorHal(sensorType); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 434 | if (sensorHal != null) { |
| 435 | if (!sensorHal.isReady()) { |
| 436 | Log.w(CarLog.TAG_SENSOR, "Sensor channel not available."); |
| 437 | return false; |
| 438 | } |
| 439 | if (record.enabled) { |
| 440 | return true; |
| 441 | } |
| 442 | if (sensorHal.requestSensorStart(sensorType, 0)) { |
| 443 | record.enabled = true; |
| 444 | return true; |
| 445 | } |
| 446 | } |
Keun-young Park | 05f4481 | 2016-02-10 15:32:48 -0800 | [diff] [blame] | 447 | Log.w(CarLog.TAG_SENSOR, "requestSensorStart failed, sensor type:" + sensorType); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 448 | return false; |
| 449 | } |
| 450 | |
| 451 | @Override |
| 452 | public void unregisterSensorListener(int sensorType, ICarSensorEventListener listener) { |
| 453 | boolean shouldStopSensor = false; |
| 454 | boolean shouldRestartSensor = false; |
| 455 | SensorRecord record = null; |
| 456 | int newRate = 0; |
| 457 | mSensorLock.lock(); |
| 458 | try { |
| 459 | record = mSensorRecords.get(sensorType); |
| 460 | if (record == null) { |
| 461 | // unregister not supported sensor. ignore. |
| 462 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 463 | Log.d(CarLog.TAG_SENSOR, "unregister for unsupported sensor"); |
| 464 | } |
| 465 | return; |
| 466 | } |
| 467 | SensorClient sensorClient = findSensorClientLocked(listener); |
| 468 | if (sensorClient == null) { |
| 469 | // never registered or already unregistered. |
| 470 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 471 | Log.d(CarLog.TAG_SENSOR, "unregister for not existing client"); |
| 472 | } |
| 473 | return; |
| 474 | } |
| 475 | sensorClient.removeSensor(sensorType); |
| 476 | if (sensorClient.getNumberOfActiveSensor() == 0) { |
| 477 | sensorClient.release(); |
| 478 | mClients.remove(sensorClient); |
| 479 | } |
| 480 | SensorListeners sensorListeners = mSensorListeners.get(sensorType); |
| 481 | if (sensorListeners == null) { |
| 482 | // sensor not active |
| 483 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 484 | Log.d(CarLog.TAG_SENSOR, "unregister for non-active sensor"); |
| 485 | } |
| 486 | return; |
| 487 | } |
| 488 | SensorClientWithRate clientWithRate = |
| 489 | sensorListeners.findSensorClientWithRate(sensorClient); |
| 490 | if (clientWithRate == null) { |
| 491 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 492 | Log.d(CarLog.TAG_SENSOR, "unregister for not registered sensor"); |
| 493 | } |
| 494 | return; |
| 495 | } |
| 496 | sensorListeners.removeSensorClientWithRate(clientWithRate); |
| 497 | if (sensorListeners.getNumberOfClients() == 0) { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 498 | shouldStopSensor = true; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 499 | mSensorListeners.remove(sensorType); |
| 500 | } else if (sensorListeners.updateRate()) { // rate changed |
| 501 | newRate = sensorListeners.getRate(); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 502 | shouldRestartSensor = sensorSupportRate(sensorType); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 503 | } |
| 504 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 505 | Log.d(CarLog.TAG_SENSOR, "unregister succeeded"); |
| 506 | } |
| 507 | } finally { |
| 508 | mSensorLock.unlock(); |
| 509 | } |
| 510 | if (shouldStopSensor) { |
| 511 | stopSensor(record, sensorType); |
| 512 | } else if (shouldRestartSensor) { |
| 513 | startSensor(record, sensorType, newRate); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | private void stopSensor(SensorRecord record, int sensorType) { |
| 518 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 519 | Log.d(CarLog.TAG_SENSOR, "stopSensor " + sensorType); |
| 520 | } |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 521 | SensorHalServiceBase sensorHal = getSensorHal(sensorType); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 522 | if (sensorHal == null || !sensorHal.isReady()) { |
| 523 | Log.w(CarLog.TAG_SENSOR, "Sensor channel not available."); |
| 524 | return; |
| 525 | } |
| 526 | if (!record.enabled) { |
| 527 | return; |
| 528 | } |
| 529 | record.enabled = false; |
| 530 | // make lastEvent invalid as old data can be sent to client when subscription is restarted |
| 531 | // later. |
| 532 | record.lastEvent = null; |
| 533 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 534 | Log.d(CarLog.TAG_SENSOR, "stopSensor requestStop " + sensorType); |
| 535 | } |
| 536 | sensorHal.requestSensorStop(sensorType); |
| 537 | } |
| 538 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 539 | private SensorHalServiceBase getSensorHal(int sensorType) { |
| 540 | try { |
| 541 | mSensorLock.lock(); |
| 542 | switch (sensorType) { |
| 543 | case CarSensorManager.SENSOR_TYPE_DRIVING_STATUS: |
| 544 | if (mUseDefaultDrivingPolicy) { |
| 545 | return mDrivingStatePolicy; |
| 546 | } |
| 547 | break; |
| 548 | case CarSensorManager.SENSOR_TYPE_NIGHT: |
| 549 | if (mUseDefaultDayNightModePolicy) { |
| 550 | return mDayNightModePolicy; |
| 551 | } |
| 552 | break; |
| 553 | } |
| 554 | return mSensorHal; |
| 555 | } finally { |
| 556 | mSensorLock.unlock(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 557 | } |
| 558 | } |
| 559 | |
| 560 | @Override |
| 561 | public CarSensorEvent getLatestSensorEvent(int sensorType) { |
| 562 | SensorRecord record = null; |
| 563 | mSensorLock.lock(); |
| 564 | try { |
| 565 | record = mSensorRecords.get(sensorType); |
| 566 | } finally { |
| 567 | mSensorLock.unlock(); |
| 568 | } |
| 569 | if (record != null) { |
| 570 | return record.lastEvent; |
| 571 | } |
| 572 | return null; |
| 573 | } |
| 574 | |
| 575 | private int[] refreshSupportedSensorsLocked() { |
| 576 | int numCarSensors = (mCarProvidedSensors == null) ? 0 : mCarProvidedSensors.length; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 577 | for (int i = 0; i < numCarSensors; i++) { |
| 578 | int sensor = mCarProvidedSensors[i]; |
| 579 | if (sensor == CarSensorManager.SENSOR_TYPE_DRIVING_STATUS) { |
| 580 | mUseDefaultDrivingPolicy = false; |
| 581 | } else if (sensor == CarSensorManager.SENSOR_TYPE_NIGHT) { |
| 582 | mUseDefaultDayNightModePolicy = false; |
| 583 | } |
| 584 | } |
| 585 | int totalNumSensors = numCarSensors; |
| 586 | if (mUseDefaultDrivingPolicy) { |
| 587 | totalNumSensors++; |
| 588 | } |
| 589 | if (mUseDefaultDayNightModePolicy) { |
| 590 | totalNumSensors++; |
| 591 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 592 | // Two logical sensors are always added. |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 593 | int[] supportedSensors = new int[totalNumSensors]; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 594 | int index = 0; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 595 | if (mUseDefaultDrivingPolicy) { |
| 596 | supportedSensors[index] = CarSensorManager.SENSOR_TYPE_DRIVING_STATUS; |
| 597 | index++; |
| 598 | } |
| 599 | if (mUseDefaultDayNightModePolicy) { |
| 600 | supportedSensors[index] = CarSensorManager.SENSOR_TYPE_NIGHT; |
| 601 | index++; |
| 602 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 603 | |
| 604 | for (int i = 0; i < numCarSensors; i++) { |
| 605 | int sensor = mCarProvidedSensors[i]; |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 606 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 607 | if (mSensorRecords.get(sensor) == null) { |
| 608 | SensorRecord record = new SensorRecord(); |
| 609 | mSensorRecords.put(sensor, record); |
| 610 | } |
| 611 | supportedSensors[index] = sensor; |
| 612 | index++; |
| 613 | } |
| 614 | |
| 615 | return supportedSensors; |
| 616 | } |
| 617 | |
| 618 | private boolean isSensorRealLocked(int sensorType) { |
| 619 | if (mCarProvidedSensors != null) { |
| 620 | for (int sensor : mCarProvidedSensors) { |
| 621 | if (sensor == sensorType ) { |
| 622 | return true; |
| 623 | } |
| 624 | } |
| 625 | } |
| 626 | return false; |
| 627 | } |
| 628 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 629 | /** |
| 630 | * Find SensorClient from client list and return it. |
| 631 | * This should be called with mClients locked. |
| 632 | * @param listener |
| 633 | * @return null if not found. |
| 634 | */ |
| 635 | private SensorClient findSensorClientLocked(ICarSensorEventListener listener) { |
| 636 | IBinder binder = listener.asBinder(); |
| 637 | for (SensorClient sensorClient : mClients) { |
| 638 | if (sensorClient.isHoldingListernerBinder(binder)) { |
| 639 | return sensorClient; |
| 640 | } |
| 641 | } |
| 642 | return null; |
| 643 | } |
| 644 | |
| 645 | private void removeClient(SensorClient sensorClient) { |
| 646 | mSensorLock.lock(); |
| 647 | try { |
| 648 | for (int sensor: sensorClient.getSensorArray()) { |
| 649 | unregisterSensorListener(sensor, |
| 650 | sensorClient.getICarSensorEventListener()); |
| 651 | } |
| 652 | mClients.remove(sensorClient); |
| 653 | } finally { |
| 654 | mSensorLock.unlock(); |
| 655 | } |
| 656 | } |
| 657 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 658 | private class SensorDispatchHandler extends Handler { |
| 659 | private static final long SENSOR_DISPATCH_MIN_INTERVAL_MS = 16; // over 60Hz |
| 660 | |
| 661 | private static final int MSG_SENSOR_DATA = 0; |
| 662 | |
| 663 | private long mLastSensorDispatchTime = -1; |
| 664 | private int mFreeListIndex = 0; |
| 665 | private final LinkedList<CarSensorEvent>[] mSensorDataList = new LinkedList[2]; |
| 666 | |
| 667 | private SensorDispatchHandler(Looper looper) { |
| 668 | super(looper); |
| 669 | for (int i = 0; i < mSensorDataList.length; i++) { |
| 670 | mSensorDataList[i] = new LinkedList<CarSensorEvent>(); |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | private synchronized void handleSensorEvents(List<CarSensorEvent> data) { |
| 675 | LinkedList<CarSensorEvent> list = mSensorDataList[mFreeListIndex]; |
| 676 | list.addAll(data); |
| 677 | requestDispatchLocked(); |
| 678 | } |
| 679 | |
| 680 | private synchronized void handleSensorEvent(CarSensorEvent event) { |
| 681 | LinkedList<CarSensorEvent> list = mSensorDataList[mFreeListIndex]; |
| 682 | list.add(event); |
| 683 | requestDispatchLocked(); |
| 684 | } |
| 685 | |
| 686 | private void requestDispatchLocked() { |
| 687 | Message msg = obtainMessage(MSG_SENSOR_DATA); |
| 688 | long now = SystemClock.uptimeMillis(); |
| 689 | long delta = now - mLastSensorDispatchTime; |
| 690 | if (delta > SENSOR_DISPATCH_MIN_INTERVAL_MS) { |
| 691 | sendMessage(msg); |
| 692 | } else { |
| 693 | sendMessageDelayed(msg, SENSOR_DISPATCH_MIN_INTERVAL_MS - delta); |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | @Override |
| 698 | public void handleMessage(Message msg) { |
| 699 | switch (msg.what) { |
| 700 | case MSG_SENSOR_DATA: |
| 701 | doHandleSensorData(); |
| 702 | break; |
| 703 | default: |
| 704 | break; |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | private void doHandleSensorData() { |
| 709 | List<CarSensorEvent> listToDispatch = null; |
| 710 | synchronized (this) { |
| 711 | mLastSensorDispatchTime = SystemClock.uptimeMillis(); |
| 712 | int nonFreeListIndex = mFreeListIndex ^ 0x1; |
| 713 | List<CarSensorEvent> nonFreeList = mSensorDataList[nonFreeListIndex]; |
| 714 | List<CarSensorEvent> freeList = mSensorDataList[mFreeListIndex]; |
| 715 | if (nonFreeList.size() > 0) { |
| 716 | Log.w(CarLog.TAG_SENSOR, "non free list not empty"); |
| 717 | // copy again, but this should not be normal case |
| 718 | nonFreeList.addAll(freeList); |
| 719 | listToDispatch = nonFreeList; |
| 720 | freeList.clear(); |
| 721 | } else if (freeList.size() > 0) { |
| 722 | listToDispatch = freeList; |
| 723 | mFreeListIndex = nonFreeListIndex; |
| 724 | } |
| 725 | } |
| 726 | // leave this part outside lock so that time-taking dispatching can be done without |
| 727 | // blocking sensor event notification. |
| 728 | if (listToDispatch != null) { |
| 729 | processSensorData(listToDispatch); |
| 730 | listToDispatch.clear(); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | } |
| 735 | |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 736 | /** internal instance for pending client request */ |
| 737 | private class SensorClient implements IBinder.DeathRecipient { |
| 738 | /** callback for sensor events */ |
| 739 | private final ICarSensorEventListener mListener; |
| 740 | private final SparseBooleanArray mActiveSensors = new SparseBooleanArray(); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 741 | private final LinkedList<CarSensorEvent> mSensorsToDispatch = |
| 742 | new LinkedList<CarSensorEvent>(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 743 | |
| 744 | /** when false, it is already released */ |
| 745 | private volatile boolean mActive = true; |
| 746 | |
| 747 | SensorClient(ICarSensorEventListener listener) { |
| 748 | this.mListener = listener; |
| 749 | } |
| 750 | |
| 751 | @Override |
| 752 | public boolean equals(Object o) { |
| 753 | if (o instanceof SensorClient && |
| 754 | mListener.asBinder() == ((SensorClient) o).mListener.asBinder()) { |
| 755 | return true; |
| 756 | } |
| 757 | return false; |
| 758 | } |
| 759 | |
| 760 | boolean isHoldingListernerBinder(IBinder listenerBinder) { |
| 761 | return mListener.asBinder() == listenerBinder; |
| 762 | } |
| 763 | |
| 764 | void addSensor(int sensor) { |
| 765 | mActiveSensors.put(sensor, true); |
| 766 | } |
| 767 | |
| 768 | void removeSensor(int sensor) { |
| 769 | mActiveSensors.delete(sensor); |
| 770 | } |
| 771 | |
| 772 | int getNumberOfActiveSensor() { |
| 773 | return mActiveSensors.size(); |
| 774 | } |
| 775 | |
| 776 | int[] getSensorArray() { |
| 777 | int[] sensors = new int[mActiveSensors.size()]; |
| 778 | for (int i = sensors.length - 1; i >= 0; --i) { |
| 779 | sensors[i] = mActiveSensors.keyAt(i); |
| 780 | } |
| 781 | return sensors; |
| 782 | } |
| 783 | |
| 784 | ICarSensorEventListener getICarSensorEventListener() { |
| 785 | return mListener; |
| 786 | } |
| 787 | |
| 788 | /** |
| 789 | * Client dead. should remove all sensor requests from client |
| 790 | */ |
| 791 | @Override |
| 792 | public void binderDied() { |
| 793 | mListener.asBinder().unlinkToDeath(this, 0); |
| 794 | removeClient(this); |
| 795 | } |
| 796 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 797 | void queueSensorEvent(CarSensorEvent event) { |
| 798 | mSensorsToDispatch.add(event); |
| 799 | } |
| 800 | |
| 801 | void dispatchSensorUpdate() { |
| 802 | if (mSensorsToDispatch.size() == 0) { |
| 803 | return; |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 804 | } |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 805 | if (mActive) { |
| 806 | try { |
| 807 | mListener.onSensorChanged(mSensorsToDispatch); |
| 808 | } catch (RemoteException e) { |
| 809 | //ignore. crash will be handled by death handler |
| 810 | } |
| 811 | } else { |
| 812 | if (Log.isLoggable(CarLog.TAG_SENSOR, Log.DEBUG)) { |
| 813 | Log.d(CarLog.TAG_SENSOR, "sensor update while client is already released"); |
| 814 | } |
| 815 | } |
| 816 | mSensorsToDispatch.clear(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 817 | } |
| 818 | |
| 819 | void release() { |
| 820 | if (mActive) { |
| 821 | mListener.asBinder().unlinkToDeath(this, 0); |
| 822 | mActiveSensors.clear(); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 823 | mSensorsToDispatch.clear(); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 824 | mActive = false; |
| 825 | } |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | private class SensorClientWithRate { |
| 830 | private final SensorClient mSensorClient; |
| 831 | /** rate requested from client */ |
| 832 | private int mRate; |
| 833 | |
| 834 | SensorClientWithRate(SensorClient client, int rate) { |
| 835 | mSensorClient = client; |
| 836 | mRate = rate; |
| 837 | } |
| 838 | |
| 839 | @Override |
| 840 | public boolean equals(Object o) { |
| 841 | if (o instanceof SensorClientWithRate && |
| 842 | mSensorClient == ((SensorClientWithRate) o).mSensorClient) { |
| 843 | return true; |
| 844 | } |
| 845 | return false; |
| 846 | } |
| 847 | |
| 848 | int getRate() { |
| 849 | return mRate; |
| 850 | } |
| 851 | |
| 852 | void setRate(int rate) { |
| 853 | mRate = rate; |
| 854 | } |
| 855 | |
| 856 | SensorClient getSensorClient() { |
| 857 | return mSensorClient; |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | private static class SensorRecord { |
| 862 | /** Record the lastly received sensor event */ |
| 863 | CarSensorEvent lastEvent = null; |
| 864 | /** sensor was enabled by at least one client */ |
| 865 | boolean enabled = false; |
| 866 | } |
| 867 | |
| 868 | private static class SensorListeners { |
| 869 | private final LinkedList<SensorClientWithRate> mSensorClients = |
| 870 | new LinkedList<SensorClientWithRate>(); |
| 871 | /** rate for this sensor, sent to car */ |
| 872 | private int mRate; |
| 873 | |
| 874 | SensorListeners(int rate) { |
| 875 | mRate = rate; |
| 876 | } |
| 877 | |
| 878 | int getRate() { |
| 879 | return mRate; |
| 880 | } |
| 881 | |
| 882 | void setRate(int rate) { |
| 883 | mRate = rate; |
| 884 | } |
| 885 | |
| 886 | /** update rate from existing clients and return true if rate is changed. */ |
| 887 | boolean updateRate() { |
| 888 | int fastestRate = CarSensorManager.SENSOR_RATE_NORMAL; |
| 889 | for (SensorClientWithRate clientWithRate: mSensorClients) { |
| 890 | int clientRate = clientWithRate.getRate(); |
| 891 | if (clientRate < fastestRate) { |
| 892 | fastestRate = clientRate; |
| 893 | } |
| 894 | } |
| 895 | if (mRate != fastestRate) { |
| 896 | mRate = fastestRate; |
| 897 | return true; |
| 898 | } |
| 899 | return false; |
| 900 | } |
| 901 | |
| 902 | void addSensorClientWithRate(SensorClientWithRate clientWithRate) { |
| 903 | mSensorClients.add(clientWithRate); |
| 904 | } |
| 905 | |
| 906 | void removeSensorClientWithRate(SensorClientWithRate clientWithRate) { |
| 907 | mSensorClients.remove(clientWithRate); |
| 908 | } |
| 909 | |
| 910 | int getNumberOfClients() { |
| 911 | return mSensorClients.size(); |
| 912 | } |
| 913 | |
| 914 | SensorClientWithRate findSensorClientWithRate(SensorClient sensorClient) { |
| 915 | for (SensorClientWithRate clientWithRates: mSensorClients) { |
| 916 | if (clientWithRates.getSensorClient() == sensorClient) { |
| 917 | return clientWithRates; |
| 918 | } |
| 919 | } |
| 920 | return null; |
| 921 | } |
| 922 | |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 923 | void queueSensorEvent(CarSensorEvent event) { |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 924 | for (SensorClientWithRate clientWithRate: mSensorClients) { |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 925 | clientWithRate.getSensorClient().queueSensorEvent(event); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 926 | } |
| 927 | } |
| 928 | |
| 929 | void release() { |
| 930 | for (SensorClientWithRate clientWithRate: mSensorClients) { |
| 931 | clientWithRate.mSensorClient.release(); |
| 932 | } |
| 933 | mSensorClients.clear(); |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | @Override |
| 938 | public void dump(PrintWriter writer) { |
keunyoung | a3b28d8 | 2015-08-25 13:05:15 -0700 | [diff] [blame] | 939 | writer.println("*CarSensorService*"); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 940 | writer.println("supported sensors:" + Arrays.toString(mSupportedSensors)); |
| 941 | writer.println("**last events for sensors**"); |
| 942 | if (mSensorRecords != null) { |
| 943 | try { |
| 944 | int sensorRecordSize = mSensorRecords.size(); |
| 945 | for (int i = 0; i < sensorRecordSize; i++) { |
| 946 | int sensor = mSensorRecords.keyAt(i); |
| 947 | SensorRecord record = mSensorRecords.get(sensor); |
| 948 | if (record != null && record.lastEvent != null) { |
| 949 | writer.println("sensor: " + sensor |
| 950 | + " active: " + record.enabled); |
Keun-young Park | 4afc6ee | 2016-03-04 18:18:19 -0800 | [diff] [blame] | 951 | writer.println(" " + record.lastEvent.toString()); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 952 | } |
| 953 | SensorListeners listeners = mSensorListeners.get(sensor); |
| 954 | if (listeners != null) { |
| 955 | writer.println(" rate: " + listeners.getRate()); |
| 956 | } |
| 957 | } |
| 958 | } catch (ConcurrentModificationException e) { |
| 959 | writer.println("concurrent modification happened"); |
| 960 | } |
| 961 | } else { |
| 962 | writer.println("null records"); |
| 963 | } |
| 964 | writer.println("**clients**"); |
| 965 | try { |
| 966 | for (SensorClient client: mClients) { |
| 967 | if (client != null) { |
| 968 | try { |
| 969 | writer.println("binder:" + client.mListener |
| 970 | + " active sensors:" + Arrays.toString(client.getSensorArray())); |
| 971 | } catch (ConcurrentModificationException e) { |
| 972 | writer.println("concurrent modification happened"); |
| 973 | } |
| 974 | } else { |
| 975 | writer.println("null client"); |
| 976 | } |
| 977 | } |
| 978 | } catch (ConcurrentModificationException e) { |
| 979 | writer.println("concurrent modification happened"); |
| 980 | } |
| 981 | writer.println("**sensor listeners**"); |
| 982 | try { |
| 983 | int sensorListenerSize = mSensorListeners.size(); |
| 984 | for (int i = 0; i < sensorListenerSize; i++) { |
| 985 | int sensor = mSensorListeners.keyAt(i); |
| 986 | SensorListeners sensorListeners = mSensorListeners.get(sensor); |
| 987 | if (sensorListeners != null) { |
| 988 | writer.println(" Sensor:" + sensor |
| 989 | + " num client:" + sensorListeners.getNumberOfClients() |
| 990 | + " rate:" + sensorListeners.getRate()); |
| 991 | } |
| 992 | } |
| 993 | } catch (ConcurrentModificationException e) { |
| 994 | writer.println("concurrent modification happened"); |
| 995 | } |
Keun-young Park | 9ec0547 | 2016-04-26 21:18:18 -0700 | [diff] [blame] | 996 | writer.println("mUseDefaultDrivingPolicy:" + mUseDefaultDrivingPolicy + |
| 997 | ",mUseDefaultDayNightModePolicy" + mUseDefaultDayNightModePolicy); |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 998 | writer.println("**driving policy**"); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 999 | if (mUseDefaultDrivingPolicy) { |
| 1000 | mDrivingStatePolicy.dump(writer); |
| 1001 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 1002 | writer.println("**day/night policy**"); |
keunyoung | cc449f7 | 2015-08-12 10:46:27 -0700 | [diff] [blame] | 1003 | if (mUseDefaultDayNightModePolicy) { |
| 1004 | mDayNightModePolicy.dump(writer); |
| 1005 | } |
keunyoung | ca51507 | 2015-07-10 12:21:47 -0700 | [diff] [blame] | 1006 | } |
| 1007 | } |