Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | package com.android.car.hal; |
| 17 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 18 | import static com.android.car.CarServiceUtils.toByteArray; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 19 | import static java.lang.Integer.toHexString; |
| 20 | |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 21 | import android.car.VehicleAreaType; |
Antonio Cortes | a6845c3 | 2017-02-06 09:22:26 -0800 | [diff] [blame] | 22 | import android.car.annotation.FutureFeature; |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 23 | import android.car.vms.IVmsSubscriberClient; |
Antonio Cortes | 0bd67c3 | 2017-03-13 08:02:40 -0700 | [diff] [blame] | 24 | import android.car.vms.VmsLayer; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 25 | import android.car.vms.VmsLayerDependency; |
| 26 | import android.car.vms.VmsLayersOffering; |
Antonio Cortes | 2febe9f | 2017-03-24 09:42:17 -0700 | [diff] [blame] | 27 | import android.car.vms.VmsSubscriptionState; |
Pavel Maltsev | cfe9310 | 2017-02-02 12:38:08 -0800 | [diff] [blame] | 28 | import android.hardware.automotive.vehicle.V2_0.VehiclePropConfig; |
| 29 | import android.hardware.automotive.vehicle.V2_0.VehiclePropValue; |
Antonio Cortes | 747364a | 2017-02-28 10:37:24 -0800 | [diff] [blame] | 30 | import android.hardware.automotive.vehicle.V2_1.VehicleProperty; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 31 | import android.hardware.automotive.vehicle.V2_1.VmsBaseMessageIntegerValuesIndex; |
Antonio Cortes | 747364a | 2017-02-28 10:37:24 -0800 | [diff] [blame] | 32 | import android.hardware.automotive.vehicle.V2_1.VmsMessageType; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 33 | import android.hardware.automotive.vehicle.V2_1.VmsOfferingMessageIntegerValuesIndex; |
| 34 | import android.hardware.automotive.vehicle.V2_1.VmsSimpleMessageIntegerValuesIndex; |
| 35 | import android.os.Binder; |
| 36 | import android.os.IBinder; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 37 | import android.util.Log; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 38 | import com.android.car.CarLog; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 39 | import com.android.car.VmsLayersAvailability; |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 40 | import com.android.car.VmsRouting; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 41 | import com.android.internal.annotations.GuardedBy; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 42 | import java.io.PrintWriter; |
Antonio Cortes | 40b9026 | 2017-02-06 11:43:57 -0800 | [diff] [blame] | 43 | import java.util.ArrayList; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 44 | import java.util.Collection; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 45 | import java.util.Collections; |
| 46 | import java.util.HashMap; |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 47 | import java.util.HashSet; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 48 | import java.util.LinkedList; |
| 49 | import java.util.List; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 50 | import java.util.Map; |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 51 | import java.util.Set; |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 52 | import java.util.concurrent.CopyOnWriteArrayList; |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 53 | |
| 54 | /** |
| 55 | * This is a glue layer between the VehicleHal and the VmsService. It sends VMS properties back and |
| 56 | * forth. |
| 57 | */ |
Antonio Cortes | a6845c3 | 2017-02-06 09:22:26 -0800 | [diff] [blame] | 58 | @FutureFeature |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 59 | public class VmsHalService extends HalServiceBase { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 60 | |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 61 | private static final boolean DBG = true; |
| 62 | private static final int HAL_PROPERTY_ID = VehicleProperty.VEHICLE_MAP_SERVICE; |
| 63 | private static final String TAG = "VmsHalService"; |
| 64 | |
| 65 | private boolean mIsSupported = false; |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 66 | private CopyOnWriteArrayList<VmsHalPublisherListener> mPublisherListeners = |
| 67 | new CopyOnWriteArrayList<>(); |
| 68 | private CopyOnWriteArrayList<VmsHalSubscriberListener> mSubscriberListeners = |
| 69 | new CopyOnWriteArrayList<>(); |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 70 | |
| 71 | private final IBinder mHalPublisherToken = new Binder(); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 72 | private final VehicleHal mVehicleHal; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 73 | |
| 74 | private final Object mRoutingLock = new Object(); |
| 75 | private final VmsRouting mRouting = new VmsRouting(); |
| 76 | private final Object mAvailabilityLock = new Object(); |
| 77 | @GuardedBy("mAvailabilityLock") |
| 78 | private final Map<IBinder, VmsLayersOffering> mOfferings = new HashMap<>(); |
| 79 | @GuardedBy("mAvailabilityLock") |
| 80 | private final VmsLayersAvailability mAvailableLayers = new VmsLayersAvailability(); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 81 | |
| 82 | /** |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 83 | * The VmsPublisherService implements this interface to receive data from the HAL. |
| 84 | */ |
| 85 | public interface VmsHalPublisherListener { |
Antonio Cortes | 2febe9f | 2017-03-24 09:42:17 -0700 | [diff] [blame] | 86 | void onChange(VmsSubscriptionState subscriptionState); |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | /** |
| 90 | * The VmsSubscriberService implements this interface to receive data from the HAL. |
| 91 | */ |
| 92 | public interface VmsHalSubscriberListener { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 93 | // Notify listener on a data Message. |
| 94 | void onDataMessage(VmsLayer layer, byte[] payload); |
| 95 | |
| 96 | // Notify listener on a change in available layers. |
| 97 | void onLayersAvaiabilityChange(List<VmsLayer> availableLayers); |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | /** |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 101 | * The VmsService implements this interface to receive data from the HAL. |
| 102 | */ |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 103 | protected VmsHalService(VehicleHal vehicleHal) { |
| 104 | mVehicleHal = vehicleHal; |
| 105 | if (DBG) { |
| 106 | Log.d(TAG, "started VmsHalService!"); |
| 107 | } |
| 108 | } |
| 109 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 110 | public void addPublisherListener(VmsHalPublisherListener listener) { |
| 111 | mPublisherListeners.add(listener); |
Antonio Cortes | 40b9026 | 2017-02-06 11:43:57 -0800 | [diff] [blame] | 112 | } |
| 113 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 114 | public void addSubscriberListener(VmsHalSubscriberListener listener) { |
| 115 | mSubscriberListeners.add(listener); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 116 | } |
| 117 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 118 | public void removePublisherListener(VmsHalPublisherListener listener) { |
| 119 | mPublisherListeners.remove(listener); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 120 | } |
| 121 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 122 | public void removeSubscriberListener(VmsHalSubscriberListener listener) { |
| 123 | mSubscriberListeners.remove(listener); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 124 | } |
| 125 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 126 | public void addSubscription(IVmsSubscriberClient listener, VmsLayer layer) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 127 | boolean firstSubscriptionForLayer = false; |
| 128 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 129 | // Check if publishers need to be notified about this change in subscriptions. |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 130 | firstSubscriptionForLayer = !mRouting.hasLayerSubscriptions(layer); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 131 | |
| 132 | // Add the listeners subscription to the layer |
| 133 | mRouting.addSubscription(listener, layer); |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 134 | } |
| 135 | if (firstSubscriptionForLayer) { |
| 136 | notifyPublishers(layer, true); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 140 | public void removeSubscription(IVmsSubscriberClient listener, VmsLayer layer) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 141 | boolean layerHasSubscribers = true; |
| 142 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 143 | if (!mRouting.hasLayerSubscriptions(layer)) { |
| 144 | Log.i(TAG, "Trying to remove a layer with no subscription: " + layer); |
| 145 | return; |
| 146 | } |
| 147 | |
| 148 | // Remove the listeners subscription to the layer |
| 149 | mRouting.removeSubscription(listener, layer); |
| 150 | |
| 151 | // Check if publishers need to be notified about this change in subscriptions. |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 152 | layerHasSubscribers = mRouting.hasLayerSubscriptions(layer); |
| 153 | } |
| 154 | if (!layerHasSubscribers) { |
| 155 | notifyPublishers(layer, false); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 156 | } |
| 157 | } |
| 158 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 159 | public void addSubscription(IVmsSubscriberClient listener) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 160 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 161 | mRouting.addSubscription(listener); |
| 162 | } |
| 163 | } |
| 164 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 165 | public void removeSubscription(IVmsSubscriberClient listener) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 166 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 167 | mRouting.removeSubscription(listener); |
| 168 | } |
| 169 | } |
| 170 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 171 | public void removeDeadListener(IVmsSubscriberClient listener) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 172 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 173 | mRouting.removeDeadListener(listener); |
| 174 | } |
| 175 | } |
| 176 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 177 | public Set<IVmsSubscriberClient> getListeners(VmsLayer layer) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 178 | synchronized (mRoutingLock) { |
Antonio Cortes | 8b35009 | 2017-03-16 16:02:51 -0700 | [diff] [blame] | 179 | return mRouting.getListeners(layer); |
| 180 | } |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 181 | } |
| 182 | |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 183 | public Set<IVmsSubscriberClient> getAllListeners() { |
| 184 | synchronized (mRoutingLock) { |
| 185 | return mRouting.getAllListeners(); |
| 186 | } |
| 187 | } |
| 188 | |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 189 | public boolean isHalSubscribed(VmsLayer layer) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 190 | synchronized (mRoutingLock) { |
Antonio Cortes | 8b35009 | 2017-03-16 16:02:51 -0700 | [diff] [blame] | 191 | return mRouting.isHalSubscribed(layer); |
| 192 | } |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 193 | } |
| 194 | |
Antonio Cortes | 2febe9f | 2017-03-24 09:42:17 -0700 | [diff] [blame] | 195 | public VmsSubscriptionState getSubscriptionState() { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 196 | synchronized (mRoutingLock) { |
Antonio Cortes | 2febe9f | 2017-03-24 09:42:17 -0700 | [diff] [blame] | 197 | return mRouting.getSubscriptionState(); |
Antonio Cortes | 8b35009 | 2017-03-16 16:02:51 -0700 | [diff] [blame] | 198 | } |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | public void addHalSubscription(VmsLayer layer) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 202 | boolean firstSubscriptionForLayer = true; |
| 203 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 204 | // Check if publishers need to be notified about this change in subscriptions. |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 205 | firstSubscriptionForLayer = !mRouting.hasLayerSubscriptions(layer); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 206 | |
| 207 | // Add the listeners subscription to the layer |
| 208 | mRouting.addHalSubscription(layer); |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 209 | } |
| 210 | if (firstSubscriptionForLayer) { |
| 211 | notifyPublishers(layer, true); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 212 | } |
| 213 | } |
| 214 | |
| 215 | public void removeHalSubscription(VmsLayer layer) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 216 | boolean layerHasSubscribers = true; |
| 217 | synchronized (mRoutingLock) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 218 | if (!mRouting.hasLayerSubscriptions(layer)) { |
| 219 | Log.i(TAG, "Trying to remove a layer with no subscription: " + layer); |
| 220 | return; |
| 221 | } |
| 222 | |
| 223 | // Remove the listeners subscription to the layer |
| 224 | mRouting.removeHalSubscription(layer); |
| 225 | |
| 226 | // Check if publishers need to be notified about this change in subscriptions. |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 227 | layerHasSubscribers = mRouting.hasLayerSubscriptions(layer); |
| 228 | } |
| 229 | if (!layerHasSubscribers) { |
| 230 | notifyPublishers(layer, false); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 231 | } |
| 232 | } |
| 233 | |
Asaf Rosenfeld | 2ca6f8c | 2017-03-20 12:59:33 -0700 | [diff] [blame] | 234 | public boolean containsListener(IVmsSubscriberClient listener) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 235 | synchronized (mRoutingLock) { |
Antonio Cortes | 8b35009 | 2017-03-16 16:02:51 -0700 | [diff] [blame] | 236 | return mRouting.containsListener(listener); |
| 237 | } |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 238 | } |
| 239 | |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 240 | public void setPublisherLayersOffering(IBinder publisherToken, VmsLayersOffering offering){ |
| 241 | Set<VmsLayer> availableLayers = Collections.EMPTY_SET; |
| 242 | synchronized (mAvailabilityLock) { |
| 243 | updateOffering(publisherToken, offering); |
| 244 | availableLayers = mAvailableLayers.getAvailableLayers(); |
| 245 | } |
| 246 | notifySubscribers(availableLayers); |
| 247 | } |
| 248 | |
| 249 | public Set<VmsLayer> getAvailableLayers() { |
| 250 | //TODO(b/36872877): wrap available layers in VmsAvailabilityState similar to VmsSubscriptionState. |
| 251 | synchronized (mAvailabilityLock) { |
| 252 | return mAvailableLayers.getAvailableLayers(); |
| 253 | } |
| 254 | } |
| 255 | |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 256 | /** |
| 257 | * Notify all the publishers and the HAL on subscription changes regardless of who triggered |
| 258 | * the change. |
| 259 | * |
Antonio Cortes | 9db963a | 2017-03-10 15:15:28 -0800 | [diff] [blame] | 260 | * @param layer layer which is being subscribed to or unsubscribed from. |
| 261 | * @param hasSubscribers indicates if the notification is for subscription or unsubscription. |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 262 | */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 263 | private void notifyPublishers(VmsLayer layer, boolean hasSubscribers) { |
| 264 | // notify the HAL |
| 265 | setSubscriptionRequest(layer, hasSubscribers); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 266 | |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 267 | // Notify the App publishers |
| 268 | for (VmsHalPublisherListener listener : mPublisherListeners) { |
| 269 | // Besides the list of layers, also a timestamp is provided to the clients. |
| 270 | // They should ignore any notification with a timestamp that is older than the most |
| 271 | // recent timestamp they have seen. |
| 272 | listener.onChange(getSubscriptionState()); |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Notify all the subscribers and the HAL on layers availability change. |
| 278 | * |
| 279 | * @param availableLayers the layers which publishers claim they made publish. |
| 280 | */ |
| 281 | private void notifySubscribers(Set<VmsLayer> availableLayers) { |
| 282 | // notify the HAL |
| 283 | setAvailableLayers(availableLayers); |
| 284 | |
| 285 | // Notify the App subscribers |
| 286 | for (VmsHalSubscriberListener listener : mSubscriberListeners) { |
| 287 | listener.onLayersAvaiabilityChange(new ArrayList<>(availableLayers)); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 288 | } |
| 289 | } |
| 290 | |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 291 | @Override |
| 292 | public void init() { |
| 293 | if (DBG) { |
| 294 | Log.d(TAG, "init()"); |
| 295 | } |
| 296 | if (mIsSupported) { |
Pavel Maltsev | 79d5e12 | 2017-03-24 12:46:40 -0700 | [diff] [blame] | 297 | mVehicleHal.subscribeProperty(this, HAL_PROPERTY_ID); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 298 | } |
| 299 | } |
| 300 | |
| 301 | @Override |
| 302 | public void release() { |
| 303 | if (DBG) { |
| 304 | Log.d(TAG, "release()"); |
| 305 | } |
| 306 | if (mIsSupported) { |
| 307 | mVehicleHal.unsubscribeProperty(this, HAL_PROPERTY_ID); |
| 308 | } |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 309 | mPublisherListeners.clear(); |
| 310 | mSubscriberListeners.clear(); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | @Override |
| 314 | public Collection<VehiclePropConfig> takeSupportedProperties( |
| 315 | Collection<VehiclePropConfig> allProperties) { |
| 316 | List<VehiclePropConfig> taken = new LinkedList<>(); |
| 317 | for (VehiclePropConfig p : allProperties) { |
| 318 | if (p.prop == HAL_PROPERTY_ID) { |
| 319 | taken.add(p); |
| 320 | mIsSupported = true; |
| 321 | if (DBG) { |
| 322 | Log.d(TAG, "takeSupportedProperties: " + toHexString(p.prop)); |
| 323 | } |
| 324 | break; |
| 325 | } |
| 326 | } |
| 327 | return taken; |
| 328 | } |
| 329 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 330 | /** |
| 331 | * Consumes/produces HAL messages. The format of these messages is defined in: |
| 332 | * hardware/interfaces/automotive/vehicle/2.1/types.hal |
| 333 | */ |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 334 | @Override |
| 335 | public void handleHalEvents(List<VehiclePropValue> values) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 336 | if (DBG) { |
| 337 | Log.d(TAG, "Handling a VMS property change"); |
| 338 | } |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 339 | for (VehiclePropValue v : values) { |
| 340 | ArrayList<Integer> vec = v.value.int32Values; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 341 | int messageType = vec.get(VmsBaseMessageIntegerValuesIndex.VMS_MESSAGE_TYPE); |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 342 | |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 343 | if (DBG) { |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 344 | Log.d(TAG, "Handling VMS message type: " + messageType); |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 345 | } |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 346 | switch(messageType) { |
| 347 | case VmsMessageType.DATA: |
| 348 | handleDataEvent(vec, toByteArray(v.value.bytes)); |
| 349 | break; |
| 350 | case VmsMessageType.SUBSCRIBE: |
| 351 | handleSubscribeEvent(vec); |
| 352 | break; |
| 353 | case VmsMessageType.UNSUBSCRIBE: |
| 354 | handleUnsubscribeEvent(vec); |
| 355 | break; |
| 356 | case VmsMessageType.OFFERING: |
| 357 | handleOfferingEvent(vec); |
| 358 | break; |
Asaf Rosenfeld | 1ab389c | 2017-04-25 11:24:17 -0700 | [diff] [blame^] | 359 | case VmsMessageType.AVAILABILITY_REQUEST: |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 360 | handleAvailabilityEvent(); |
| 361 | break; |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 362 | case VmsMessageType.SUBSCRIPTION_REQUEST: |
| 363 | handleSubscriptionRequestEvent(); |
| 364 | break; |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 365 | default: |
| 366 | throw new IllegalArgumentException("Unexpected message type: " + messageType); |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 367 | } |
| 368 | } |
| 369 | } |
| 370 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 371 | /** |
| 372 | * Data message format: |
| 373 | * <ul> |
| 374 | * <li>Message type. |
| 375 | * <li>Layer id. |
| 376 | * <li>Layer version. |
| 377 | * <li>Payload. |
| 378 | * </ul> |
| 379 | */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 380 | private void handleDataEvent(List<Integer> integerValues, byte[] payload) { |
| 381 | int layerId = integerValues.get(VmsSimpleMessageIntegerValuesIndex.VMS_LAYER_ID); |
| 382 | int layerVersion = integerValues.get(VmsSimpleMessageIntegerValuesIndex.VMS_LAYER_VERSION); |
| 383 | if (DBG) { |
| 384 | Log.d(TAG, |
| 385 | "Handling a data event for Layer Id: " + layerId + |
| 386 | " Version: " + layerVersion); |
| 387 | } |
| 388 | |
| 389 | // Send the message. |
| 390 | for (VmsHalSubscriberListener listener : mSubscriberListeners) { |
| 391 | listener.onDataMessage(new VmsLayer(layerId, layerVersion), payload); |
| 392 | } |
| 393 | } |
| 394 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 395 | /** |
| 396 | * Subscribe message format: |
| 397 | * <ul> |
| 398 | * <li>Message type. |
| 399 | * <li>Layer id. |
| 400 | * <li>Layer version. |
| 401 | * </ul> |
| 402 | */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 403 | private void handleSubscribeEvent(List<Integer> integerValues) { |
| 404 | int layerId = integerValues.get(VmsSimpleMessageIntegerValuesIndex.VMS_LAYER_ID); |
| 405 | int layerVersion = integerValues.get(VmsSimpleMessageIntegerValuesIndex.VMS_LAYER_VERSION); |
| 406 | if (DBG) { |
| 407 | Log.d(TAG, |
| 408 | "Handling a subscribe event for Layer Id: " + layerId + |
| 409 | " Version: " + layerVersion); |
| 410 | } |
| 411 | addHalSubscription(new VmsLayer(layerId, layerVersion)); |
| 412 | } |
| 413 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 414 | /** |
| 415 | * Unsubscribe message format: |
| 416 | * <ul> |
| 417 | * <li>Message type. |
| 418 | * <li>Layer id. |
| 419 | * <li>Layer version. |
| 420 | * </ul> |
| 421 | */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 422 | private void handleUnsubscribeEvent(List<Integer> integerValues) { |
| 423 | int layerId = integerValues.get(VmsSimpleMessageIntegerValuesIndex.VMS_LAYER_ID); |
| 424 | int layerVersion = integerValues.get(VmsSimpleMessageIntegerValuesIndex.VMS_LAYER_VERSION); |
| 425 | if (DBG) { |
| 426 | Log.d(TAG, |
| 427 | "Handling an unsubscribe event for Layer Id: " + layerId + |
| 428 | " Version: " + layerVersion); |
| 429 | } |
| 430 | removeHalSubscription(new VmsLayer(layerId, layerVersion)); |
| 431 | } |
| 432 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 433 | /** |
| 434 | * Offering message format: |
| 435 | * <ul> |
| 436 | * <li>Message type. |
| 437 | * <li>Number of offerings. |
| 438 | * <li>Each offering consists of: |
| 439 | * <ul> |
| 440 | * <li>Layer id. |
| 441 | * <li>Layer version. |
| 442 | * <li>Number of layer dependencies. |
| 443 | * <li>Layer type/version pairs. |
| 444 | * </ul> |
| 445 | * </ul> |
| 446 | */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 447 | private void handleOfferingEvent(List<Integer> integerValues) { |
| 448 | int numLayersDependencies = |
| 449 | integerValues.get(VmsOfferingMessageIntegerValuesIndex.VMS_NUMBER_OF_LAYERS_DEPENDENCIES); |
| 450 | int idx = VmsOfferingMessageIntegerValuesIndex.FIRST_DEPENDENCIES_INDEX; |
| 451 | |
| 452 | List<VmsLayerDependency> offeredLayers = new ArrayList<>(); |
| 453 | |
| 454 | // An offering is layerId, LayerVersion, NumDeps, <LayerId, LayerVersion> X NumDeps. |
| 455 | for (int i = 0; i < numLayersDependencies; i++) { |
| 456 | int layerId = integerValues.get(idx++); |
| 457 | int layerVersion = integerValues.get(idx++); |
| 458 | VmsLayer offeredLayer = new VmsLayer(layerId, layerVersion); |
| 459 | |
| 460 | int numDependenciesForLayer = integerValues.get(idx++); |
| 461 | if (numDependenciesForLayer == 0) { |
| 462 | offeredLayers.add(new VmsLayerDependency(offeredLayer)); |
| 463 | } else { |
| 464 | Set<VmsLayer> dependencies = new HashSet<>(); |
| 465 | |
| 466 | for (int j = 0; j < numDependenciesForLayer; j++) { |
| 467 | int dependantLayerId = integerValues.get(idx++); |
| 468 | int dependantLayerVersion = integerValues.get(idx++); |
| 469 | |
| 470 | VmsLayer dependantLayer = new VmsLayer(dependantLayerId, dependantLayerVersion); |
| 471 | dependencies.add(dependantLayer); |
| 472 | } |
| 473 | offeredLayers.add(new VmsLayerDependency(offeredLayer, dependencies)); |
| 474 | } |
| 475 | } |
| 476 | // Store the HAL offering. |
| 477 | VmsLayersOffering offering = new VmsLayersOffering(offeredLayers); |
| 478 | synchronized (mAvailabilityLock) { |
| 479 | updateOffering(mHalPublisherToken, offering); |
| 480 | } |
| 481 | } |
| 482 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 483 | /** |
| 484 | * Availability message format: |
| 485 | * <ul> |
| 486 | * <li>Message type. |
| 487 | * <li>Number of layers. |
| 488 | * <li>Layer type/version pairs. |
| 489 | * </ul> |
| 490 | */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 491 | private void handleAvailabilityEvent() { |
| 492 | synchronized (mAvailabilityLock) { |
| 493 | Collection<VmsLayer> availableLayers = mAvailableLayers.getAvailableLayers(); |
| 494 | VehiclePropValue vehiclePropertyValue = toVehiclePropValue( |
Asaf Rosenfeld | 1ab389c | 2017-04-25 11:24:17 -0700 | [diff] [blame^] | 495 | VmsMessageType.AVAILABILITY_RESPONSE, availableLayers); |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 496 | setPropertyValue(vehiclePropertyValue); |
| 497 | } |
| 498 | } |
| 499 | |
Antonio Cortes | e0824d7 | 2017-04-06 11:13:35 -0700 | [diff] [blame] | 500 | /** |
| 501 | * VmsSubscriptionRequestFormat: |
| 502 | * <ul> |
| 503 | * <li>Message type. |
| 504 | * </ul> |
| 505 | * |
| 506 | * VmsSubscriptionResponseFormat: |
| 507 | * <ul> |
| 508 | * <li>Message type. |
| 509 | * <li>Sequence number. |
| 510 | * <li>Number of layers. |
| 511 | * <li>Layer type/version pairs. |
| 512 | * </ul> |
| 513 | */ |
| 514 | private void handleSubscriptionRequestEvent() { |
| 515 | VmsSubscriptionState subscription = getSubscriptionState(); |
| 516 | VehiclePropValue vehicleProp = toVehiclePropValue(VmsMessageType.SUBSCRIPTION_RESPONSE); |
| 517 | VehiclePropValue.RawValue v = vehicleProp.value; |
| 518 | v.int32Values.add(subscription.getSequenceNumber()); |
| 519 | List<VmsLayer> layers = subscription.getLayers(); |
| 520 | v.int32Values.add(layers.size()); |
| 521 | for (VmsLayer layer : layers) { |
| 522 | v.int32Values.add(layer.getId()); |
| 523 | v.int32Values.add(layer.getVersion()); |
| 524 | } |
| 525 | setPropertyValue(vehicleProp); |
| 526 | } |
| 527 | |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 528 | private void updateOffering(IBinder publisherToken, VmsLayersOffering offering) { |
| 529 | Set<VmsLayer> availableLayers = Collections.EMPTY_SET; |
| 530 | synchronized (mAvailabilityLock) { |
| 531 | mOfferings.put(publisherToken, offering); |
| 532 | |
| 533 | // Update layers availability. |
| 534 | mAvailableLayers.setPublishersOffering(mOfferings.values()); |
| 535 | |
| 536 | availableLayers = mAvailableLayers.getAvailableLayers(); |
| 537 | } |
| 538 | notifySubscribers(availableLayers); |
| 539 | } |
| 540 | |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 541 | @Override |
| 542 | public void dump(PrintWriter writer) { |
| 543 | writer.println(TAG); |
| 544 | writer.println("VmsProperty " + (mIsSupported ? "" : "not") + " supported."); |
| 545 | } |
| 546 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 547 | /** |
| 548 | * Updates the VMS HAL property with the given value. |
| 549 | * |
Antonio Cortes | 01a6039 | 2017-03-22 13:00:02 -0700 | [diff] [blame] | 550 | * @param layer layer data to update the hal property. |
| 551 | * @param hasSubscribers if it is a subscribe or unsubscribe message. |
| 552 | * @return true if the call to the HAL to update the property was successful. |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 553 | */ |
Antonio Cortes | 01a6039 | 2017-03-22 13:00:02 -0700 | [diff] [blame] | 554 | public boolean setSubscriptionRequest(VmsLayer layer, boolean hasSubscribers) { |
asafro | 25a8740 | 2017-02-28 16:08:17 -0800 | [diff] [blame] | 555 | VehiclePropValue vehiclePropertyValue = toVehiclePropValue( |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 556 | hasSubscribers ? VmsMessageType.SUBSCRIBE : VmsMessageType.UNSUBSCRIBE, layer); |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 557 | return setPropertyValue(vehiclePropertyValue); |
| 558 | } |
| 559 | |
Antonio Cortes | 01a6039 | 2017-03-22 13:00:02 -0700 | [diff] [blame] | 560 | public boolean setDataMessage(VmsLayer layer, byte[] payload) { |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 561 | VehiclePropValue vehiclePropertyValue = toVehiclePropValue(VmsMessageType.DATA, |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 562 | layer, |
| 563 | payload); |
| 564 | return setPropertyValue(vehiclePropertyValue); |
| 565 | } |
| 566 | |
| 567 | public boolean setAvailableLayers(Collection<VmsLayer> availableLayers) { |
Asaf Rosenfeld | 1ab389c | 2017-04-25 11:24:17 -0700 | [diff] [blame^] | 568 | VehiclePropValue vehiclePropertyValue = |
| 569 | toVehiclePropValue(VmsMessageType.AVAILABILITY_RESPONSE, |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 570 | availableLayers); |
| 571 | |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 572 | return setPropertyValue(vehiclePropertyValue); |
| 573 | } |
| 574 | |
| 575 | public boolean setPropertyValue(VehiclePropValue vehiclePropertyValue) { |
| 576 | try { |
| 577 | mVehicleHal.set(vehiclePropertyValue); |
| 578 | return true; |
| 579 | } catch (PropertyTimeoutException e) { |
| 580 | Log.e(CarLog.TAG_PROPERTY, "set, property not ready 0x" + toHexString(HAL_PROPERTY_ID)); |
| 581 | } |
| 582 | return false; |
| 583 | } |
| 584 | |
| 585 | /** Creates a {@link VehiclePropValue} */ |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 586 | private static VehiclePropValue toVehiclePropValue(int messageType) { |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 587 | VehiclePropValue vehicleProp = new VehiclePropValue(); |
| 588 | vehicleProp.prop = HAL_PROPERTY_ID; |
| 589 | vehicleProp.areaId = VehicleAreaType.VEHICLE_AREA_TYPE_NONE; |
| 590 | VehiclePropValue.RawValue v = vehicleProp.value; |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 591 | |
| 592 | v.int32Values.add(messageType); |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 593 | return vehicleProp; |
| 594 | } |
| 595 | |
| 596 | /** Creates a {@link VehiclePropValue} */ |
| 597 | private static VehiclePropValue toVehiclePropValue(int messageType, VmsLayer layer) { |
| 598 | VehiclePropValue vehicleProp = toVehiclePropValue(messageType); |
| 599 | VehiclePropValue.RawValue v = vehicleProp.value; |
Antonio Cortes | 01a6039 | 2017-03-22 13:00:02 -0700 | [diff] [blame] | 600 | v.int32Values.add(layer.getId()); |
| 601 | v.int32Values.add(layer.getVersion()); |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 602 | return vehicleProp; |
| 603 | } |
| 604 | |
Antonio Cortes | 01a6039 | 2017-03-22 13:00:02 -0700 | [diff] [blame] | 605 | /** Creates a {@link VehiclePropValue} with payload */ |
| 606 | private static VehiclePropValue toVehiclePropValue(int messageType, |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 607 | VmsLayer layer, |
| 608 | byte[] payload) { |
Antonio Cortes | 01a6039 | 2017-03-22 13:00:02 -0700 | [diff] [blame] | 609 | VehiclePropValue vehicleProp = toVehiclePropValue(messageType, layer); |
asafro | 99e4f08 | 2017-02-09 13:11:42 -0800 | [diff] [blame] | 610 | VehiclePropValue.RawValue v = vehicleProp.value; |
| 611 | v.bytes.ensureCapacity(payload.length); |
| 612 | for (byte b : payload) { |
| 613 | v.bytes.add(b); |
| 614 | } |
Antonio Cortes | 734010a | 2017-01-19 20:09:22 -0800 | [diff] [blame] | 615 | return vehicleProp; |
| 616 | } |
Asaf Rosenfeld | eb541d4 | 2017-03-31 14:32:10 -0700 | [diff] [blame] | 617 | |
| 618 | /** Creates a {@link VehiclePropValue} with payload */ |
| 619 | private static VehiclePropValue toVehiclePropValue(int messageType, |
| 620 | Collection<VmsLayer> layers) { |
| 621 | VehiclePropValue vehicleProp = toVehiclePropValue(messageType); |
| 622 | VehiclePropValue.RawValue v = vehicleProp.value; |
| 623 | int numLayers = layers.size(); |
| 624 | v.int32Values.add(numLayers); |
| 625 | for (VmsLayer layer : layers) { |
| 626 | v.int32Values.add(layer.getId()); |
| 627 | v.int32Values.add(layer.getVersion()); |
| 628 | } |
| 629 | return vehicleProp; |
| 630 | } |
| 631 | } |