Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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.server; |
| 18 | |
| 19 | import android.Manifest.permission; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 20 | import android.annotation.Nullable; |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 21 | import android.content.BroadcastReceiver; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 22 | import android.content.ComponentName; |
Jeff Davidson | 56f9f73 | 2014-08-14 16:47:23 -0700 | [diff] [blame] | 23 | import android.content.ContentResolver; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 24 | import android.content.Context; |
Jeff Davidson | b096bdc | 2014-07-01 12:29:11 -0700 | [diff] [blame] | 25 | import android.content.Intent; |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 26 | import android.content.IntentFilter; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 27 | import android.content.ServiceConnection; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 28 | import android.content.pm.PackageManager; |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 29 | import android.content.pm.PackageManagerInternal; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 30 | import android.database.ContentObserver; |
Jeremy Joslin | 59502eb | 2017-07-14 15:00:53 -0700 | [diff] [blame] | 31 | import android.location.LocationManager; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 32 | import android.net.INetworkRecommendationProvider; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 33 | import android.net.INetworkScoreCache; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 34 | import android.net.INetworkScoreService; |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 35 | import android.net.NetworkKey; |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 36 | import android.net.NetworkScoreManager; |
Jeremy Joslin | f621bc9 | 2017-02-16 11:11:57 -0800 | [diff] [blame] | 37 | import android.net.NetworkScorerAppData; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 38 | import android.net.ScoredNetwork; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 39 | import android.net.Uri; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 40 | import android.net.wifi.ScanResult; |
| 41 | import android.net.wifi.WifiInfo; |
| 42 | import android.net.wifi.WifiManager; |
| 43 | import android.net.wifi.WifiScanner; |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 44 | import android.os.Binder; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 45 | import android.os.Build; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 46 | import android.os.Handler; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 47 | import android.os.IBinder; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 48 | import android.os.Looper; |
| 49 | import android.os.Message; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 50 | import android.os.RemoteCallbackList; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 51 | import android.os.RemoteException; |
Jeff Davidson | ac7285d | 2014-08-08 15:12:47 -0700 | [diff] [blame] | 52 | import android.os.UserHandle; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 53 | import android.provider.Settings.Global; |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 54 | import android.text.TextUtils; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 55 | import android.util.ArrayMap; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 56 | import android.util.ArraySet; |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 57 | import android.util.IntArray; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 58 | import android.util.Log; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 59 | |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 60 | import com.android.internal.annotations.GuardedBy; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 61 | import com.android.internal.annotations.VisibleForTesting; |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 62 | import com.android.internal.content.PackageMonitor; |
Jeff Sharkey | ba6f8c8 | 2016-11-09 12:25:44 -0700 | [diff] [blame] | 63 | import com.android.internal.os.TransferPipe; |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 64 | import com.android.internal.telephony.SmsApplication; |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 65 | import com.android.internal.util.DumpUtils; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 66 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 67 | import java.io.FileDescriptor; |
Jeff Sharkey | ba6f8c8 | 2016-11-09 12:25:44 -0700 | [diff] [blame] | 68 | import java.io.IOException; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 69 | import java.io.PrintWriter; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 70 | import java.util.ArrayList; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 71 | import java.util.Collection; |
| 72 | import java.util.Collections; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 73 | import java.util.List; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 74 | import java.util.Map; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 75 | import java.util.Set; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 76 | import java.util.function.BiConsumer; |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 77 | import java.util.function.Function; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 78 | import java.util.function.Supplier; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 79 | import java.util.function.UnaryOperator; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 80 | |
| 81 | /** |
| 82 | * Backing service for {@link android.net.NetworkScoreManager}. |
| 83 | * @hide |
| 84 | */ |
| 85 | public class NetworkScoreService extends INetworkScoreService.Stub { |
| 86 | private static final String TAG = "NetworkScoreService"; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 87 | private static final boolean DBG = Build.IS_DEBUGGABLE && Log.isLoggable(TAG, Log.DEBUG); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 88 | private static final boolean VERBOSE = Build.IS_DEBUGGABLE && Log.isLoggable(TAG, Log.VERBOSE); |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 89 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 90 | private final Context mContext; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 91 | private final NetworkScorerAppManager mNetworkScorerAppManager; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 92 | @GuardedBy("mScoreCaches") |
| 93 | private final Map<Integer, RemoteCallbackList<INetworkScoreCache>> mScoreCaches; |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 94 | /** Lock used to update mPackageMonitor when scorer package changes occur. */ |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 95 | private final Object mPackageMonitorLock = new Object(); |
| 96 | private final Object mServiceConnectionLock = new Object(); |
| 97 | private final Handler mHandler; |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 98 | private final DispatchingContentObserver mRecommendationSettingsObserver; |
| 99 | private final ContentObserver mUseOpenWifiPackageObserver; |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 100 | private final Function<NetworkScorerAppData, ScoringServiceConnection> mServiceConnProducer; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 101 | |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 102 | @GuardedBy("mPackageMonitorLock") |
| 103 | private NetworkScorerPackageMonitor mPackageMonitor; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 104 | @GuardedBy("mServiceConnectionLock") |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 105 | private ScoringServiceConnection mServiceConnection; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 106 | |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 107 | private BroadcastReceiver mUserIntentReceiver = new BroadcastReceiver() { |
| 108 | @Override |
| 109 | public void onReceive(Context context, Intent intent) { |
| 110 | final String action = intent.getAction(); |
| 111 | final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); |
| 112 | if (DBG) Log.d(TAG, "Received " + action + " for userId " + userId); |
| 113 | if (userId == UserHandle.USER_NULL) return; |
| 114 | |
| 115 | if (Intent.ACTION_USER_UNLOCKED.equals(action)) { |
| 116 | onUserUnlocked(userId); |
| 117 | } |
| 118 | } |
| 119 | }; |
| 120 | |
Jeremy Joslin | 59502eb | 2017-07-14 15:00:53 -0700 | [diff] [blame] | 121 | private BroadcastReceiver mLocationModeReceiver = new BroadcastReceiver() { |
| 122 | @Override |
| 123 | public void onReceive(Context context, Intent intent) { |
| 124 | final String action = intent.getAction(); |
| 125 | if (LocationManager.MODE_CHANGED_ACTION.equals(action)) { |
| 126 | refreshBinding(); |
| 127 | } |
| 128 | } |
| 129 | }; |
| 130 | |
Mehdi Alizadeh | ce2d963 | 2018-03-28 17:34:24 -0700 | [diff] [blame] | 131 | public static final class Lifecycle extends SystemService { |
| 132 | private final NetworkScoreService mService; |
| 133 | |
| 134 | public Lifecycle(Context context) { |
| 135 | super(context); |
| 136 | mService = new NetworkScoreService(context); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public void onStart() { |
| 141 | Log.i(TAG, "Registering " + Context.NETWORK_SCORE_SERVICE); |
| 142 | publishBinderService(Context.NETWORK_SCORE_SERVICE, mService); |
| 143 | } |
| 144 | |
| 145 | @Override |
| 146 | public void onBootPhase(int phase) { |
| 147 | if (phase == PHASE_SYSTEM_SERVICES_READY) { |
| 148 | mService.systemReady(); |
| 149 | } else if (phase == PHASE_BOOT_COMPLETED) { |
| 150 | mService.systemRunning(); |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 155 | /** |
| 156 | * Clears scores when the active scorer package is no longer valid and |
| 157 | * manages the service connection. |
| 158 | */ |
| 159 | private class NetworkScorerPackageMonitor extends PackageMonitor { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 160 | final String mPackageToWatch; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 161 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 162 | private NetworkScorerPackageMonitor(String packageToWatch) { |
| 163 | mPackageToWatch = packageToWatch; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | @Override |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 167 | public void onPackageAdded(String packageName, int uid) { |
| 168 | evaluateBinding(packageName, true /* forceUnbind */); |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public void onPackageRemoved(String packageName, int uid) { |
| 173 | evaluateBinding(packageName, true /* forceUnbind */); |
| 174 | } |
| 175 | |
| 176 | @Override |
| 177 | public void onPackageModified(String packageName) { |
| 178 | evaluateBinding(packageName, false /* forceUnbind */); |
| 179 | } |
| 180 | |
| 181 | @Override |
| 182 | public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { |
| 183 | if (doit) { // "doit" means the force stop happened instead of just being queried for. |
| 184 | for (String packageName : packages) { |
| 185 | evaluateBinding(packageName, true /* forceUnbind */); |
| 186 | } |
| 187 | } |
| 188 | return super.onHandleForceStop(intent, packages, uid, doit); |
| 189 | } |
| 190 | |
| 191 | @Override |
| 192 | public void onPackageUpdateFinished(String packageName, int uid) { |
| 193 | evaluateBinding(packageName, true /* forceUnbind */); |
| 194 | } |
| 195 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 196 | private void evaluateBinding(String changedPackageName, boolean forceUnbind) { |
| 197 | if (!mPackageToWatch.equals(changedPackageName)) { |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 198 | // Early exit when we don't care about the package that has changed. |
| 199 | return; |
| 200 | } |
| 201 | |
| 202 | if (DBG) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 203 | Log.d(TAG, "Evaluating binding for: " + changedPackageName |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 204 | + ", forceUnbind=" + forceUnbind); |
| 205 | } |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 206 | |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 207 | final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer(); |
| 208 | if (activeScorer == null) { |
| 209 | // Package change has invalidated a scorer, this will also unbind any service |
| 210 | // connection. |
| 211 | if (DBG) Log.d(TAG, "No active scorers available."); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 212 | refreshBinding(); |
| 213 | } else { // The scoring service changed in some way. |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 214 | if (forceUnbind) { |
| 215 | unbindFromScoringServiceIfNeeded(); |
| 216 | } |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 217 | if (DBG) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 218 | Log.d(TAG, "Binding to " + activeScorer.getRecommendationServiceComponent() |
| 219 | + " if needed."); |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 220 | } |
| 221 | bindToScoringServiceIfNeeded(activeScorer); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 222 | } |
| 223 | } |
| 224 | } |
| 225 | |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 226 | /** |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 227 | * Dispatches observed content changes to a handler for further processing. |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 228 | */ |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 229 | @VisibleForTesting |
| 230 | public static class DispatchingContentObserver extends ContentObserver { |
| 231 | final private Map<Uri, Integer> mUriEventMap; |
| 232 | final private Context mContext; |
| 233 | final private Handler mHandler; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 234 | |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 235 | public DispatchingContentObserver(Context context, Handler handler) { |
| 236 | super(handler); |
| 237 | mContext = context; |
| 238 | mHandler = handler; |
| 239 | mUriEventMap = new ArrayMap<>(); |
| 240 | } |
| 241 | |
| 242 | void observe(Uri uri, int what) { |
| 243 | mUriEventMap.put(uri, what); |
| 244 | final ContentResolver resolver = mContext.getContentResolver(); |
| 245 | resolver.registerContentObserver(uri, false /*notifyForDescendants*/, this); |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | @Override |
| 249 | public void onChange(boolean selfChange) { |
| 250 | onChange(selfChange, null); |
| 251 | } |
| 252 | |
| 253 | @Override |
| 254 | public void onChange(boolean selfChange, Uri uri) { |
| 255 | if (DBG) Log.d(TAG, String.format("onChange(%s, %s)", selfChange, uri)); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 256 | final Integer what = mUriEventMap.get(uri); |
| 257 | if (what != null) { |
| 258 | mHandler.obtainMessage(what).sendToTarget(); |
| 259 | } else { |
| 260 | Log.w(TAG, "No matching event to send for URI = " + uri); |
| 261 | } |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 262 | } |
| 263 | } |
| 264 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 265 | public NetworkScoreService(Context context) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 266 | this(context, new NetworkScorerAppManager(context), |
| 267 | ScoringServiceConnection::new, Looper.myLooper()); |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | @VisibleForTesting |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 271 | NetworkScoreService(Context context, NetworkScorerAppManager networkScoreAppManager, |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 272 | Function<NetworkScorerAppData, ScoringServiceConnection> serviceConnProducer, |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 273 | Looper looper) { |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 274 | mContext = context; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 275 | mNetworkScorerAppManager = networkScoreAppManager; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 276 | mScoreCaches = new ArrayMap<>(); |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 277 | IntentFilter filter = new IntentFilter(Intent.ACTION_USER_UNLOCKED); |
| 278 | // TODO: Need to update when we support per-user scorers. http://b/23422763 |
| 279 | mContext.registerReceiverAsUser( |
| 280 | mUserIntentReceiver, UserHandle.SYSTEM, filter, null /* broadcastPermission*/, |
| 281 | null /* scheduler */); |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 282 | mHandler = new ServiceHandler(looper); |
Jeremy Joslin | 59502eb | 2017-07-14 15:00:53 -0700 | [diff] [blame] | 283 | IntentFilter locationModeFilter = new IntentFilter(LocationManager.MODE_CHANGED_ACTION); |
| 284 | mContext.registerReceiverAsUser( |
| 285 | mLocationModeReceiver, UserHandle.SYSTEM, locationModeFilter, |
| 286 | null /* broadcastPermission*/, mHandler); |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 287 | mRecommendationSettingsObserver = new DispatchingContentObserver(context, mHandler); |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 288 | mServiceConnProducer = serviceConnProducer; |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 289 | mUseOpenWifiPackageObserver = new ContentObserver(mHandler) { |
| 290 | @Override |
| 291 | public void onChange(boolean selfChange, Uri uri, int userId) { |
| 292 | Uri useOpenWifiPkgUri = Global.getUriFor(Global.USE_OPEN_WIFI_PACKAGE); |
| 293 | if (useOpenWifiPkgUri.equals(uri)) { |
| 294 | String useOpenWifiPackage = Global.getString(mContext.getContentResolver(), |
| 295 | Global.USE_OPEN_WIFI_PACKAGE); |
| 296 | if (!TextUtils.isEmpty(useOpenWifiPackage)) { |
| 297 | LocalServices.getService(PackageManagerInternal.class) |
| 298 | .grantDefaultPermissionsToDefaultUseOpenWifiApp(useOpenWifiPackage, |
| 299 | userId); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | }; |
| 304 | mContext.getContentResolver().registerContentObserver( |
| 305 | Global.getUriFor(Global.USE_OPEN_WIFI_PACKAGE), |
| 306 | false /*notifyForDescendants*/, |
| 307 | mUseOpenWifiPackageObserver); |
| 308 | // Set a callback for the package manager to query the use open wifi app. |
| 309 | LocalServices.getService(PackageManagerInternal.class).setUseOpenWifiAppPackagesProvider( |
| 310 | new PackageManagerInternal.PackagesProvider() { |
| 311 | @Override |
| 312 | public String[] getPackages(int userId) { |
| 313 | String useOpenWifiPackage = Global.getString(mContext.getContentResolver(), |
| 314 | Global.USE_OPEN_WIFI_PACKAGE); |
| 315 | if (!TextUtils.isEmpty(useOpenWifiPackage)) { |
| 316 | return new String[]{useOpenWifiPackage}; |
| 317 | } |
| 318 | return null; |
| 319 | } |
| 320 | }); |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | /** Called when the system is ready to run third-party code but before it actually does so. */ |
| 324 | void systemReady() { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 325 | if (DBG) Log.d(TAG, "systemReady"); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 326 | registerRecommendationSettingsObserver(); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 327 | } |
| 328 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 329 | /** Called when the system is ready for us to start third-party code. */ |
| 330 | void systemRunning() { |
| 331 | if (DBG) Log.d(TAG, "systemRunning"); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 332 | } |
| 333 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 334 | @VisibleForTesting |
| 335 | void onUserUnlocked(int userId) { |
| 336 | if (DBG) Log.d(TAG, "onUserUnlocked(" + userId + ")"); |
| 337 | refreshBinding(); |
| 338 | } |
| 339 | |
| 340 | private void refreshBinding() { |
| 341 | if (DBG) Log.d(TAG, "refreshBinding()"); |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 342 | // Make sure the scorer is up-to-date |
| 343 | mNetworkScorerAppManager.updateState(); |
Jeremy Joslin | b0fe217 | 2017-03-31 10:38:31 -0700 | [diff] [blame] | 344 | mNetworkScorerAppManager.migrateNetworkScorerAppSettingIfNeeded(); |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 345 | registerPackageMonitorIfNeeded(); |
| 346 | bindToScoringServiceIfNeeded(); |
| 347 | } |
| 348 | |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 349 | private void registerRecommendationSettingsObserver() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 350 | final Uri packageNameUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_PACKAGE); |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 351 | mRecommendationSettingsObserver.observe(packageNameUri, |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 352 | ServiceHandler.MSG_RECOMMENDATIONS_PACKAGE_CHANGED); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 353 | |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 354 | final Uri settingUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_ENABLED); |
Eric Enslen | 1e423b9 | 2017-12-18 11:30:21 -0800 | [diff] [blame] | 355 | mRecommendationSettingsObserver.observe(settingUri, |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 356 | ServiceHandler.MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED); |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 357 | } |
| 358 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 359 | /** |
| 360 | * Ensures the package manager is registered to monitor the current active scorer. |
| 361 | * If a discrepancy is found any previous monitor will be cleaned up |
| 362 | * and a new monitor will be created. |
| 363 | * |
| 364 | * This method is idempotent. |
| 365 | */ |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 366 | private void registerPackageMonitorIfNeeded() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 367 | if (DBG) Log.d(TAG, "registerPackageMonitorIfNeeded()"); |
| 368 | final NetworkScorerAppData appData = mNetworkScorerAppManager.getActiveScorer(); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 369 | synchronized (mPackageMonitorLock) { |
| 370 | // Unregister the current monitor if needed. |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 371 | if (mPackageMonitor != null && (appData == null |
| 372 | || !appData.getRecommendationServicePackageName().equals( |
| 373 | mPackageMonitor.mPackageToWatch))) { |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 374 | if (DBG) { |
| 375 | Log.d(TAG, "Unregistering package monitor for " |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 376 | + mPackageMonitor.mPackageToWatch); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 377 | } |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 378 | mPackageMonitor.unregister(); |
| 379 | mPackageMonitor = null; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 380 | } |
| 381 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 382 | // Create and register the monitor if a scorer is active. |
| 383 | if (appData != null && mPackageMonitor == null) { |
| 384 | mPackageMonitor = new NetworkScorerPackageMonitor( |
| 385 | appData.getRecommendationServicePackageName()); |
Xiaohui Chen | e4de5a0 | 2015-09-22 15:33:31 -0700 | [diff] [blame] | 386 | // TODO: Need to update when we support per-user scorers. http://b/23422763 |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 387 | mPackageMonitor.register(mContext, null /* thread */, UserHandle.SYSTEM, |
| 388 | false /* externalStorage */); |
| 389 | if (DBG) { |
| 390 | Log.d(TAG, "Registered package monitor for " |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 391 | + mPackageMonitor.mPackageToWatch); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 392 | } |
| 393 | } |
| 394 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 395 | } |
| 396 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 397 | private void bindToScoringServiceIfNeeded() { |
| 398 | if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded"); |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 399 | NetworkScorerAppData scorerData = mNetworkScorerAppManager.getActiveScorer(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 400 | bindToScoringServiceIfNeeded(scorerData); |
| 401 | } |
| 402 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 403 | /** |
| 404 | * Ensures the service connection is bound to the current active scorer. |
| 405 | * If a discrepancy is found any previous connection will be cleaned up |
| 406 | * and a new connection will be created. |
| 407 | * |
| 408 | * This method is idempotent. |
| 409 | */ |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 410 | private void bindToScoringServiceIfNeeded(NetworkScorerAppData appData) { |
| 411 | if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded(" + appData + ")"); |
| 412 | if (appData != null) { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 413 | synchronized (mServiceConnectionLock) { |
| 414 | // If we're connected to a different component then drop it. |
| 415 | if (mServiceConnection != null |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 416 | && !mServiceConnection.getAppData().equals(appData)) { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 417 | unbindFromScoringServiceIfNeeded(); |
| 418 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 419 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 420 | // If we're not connected at all then create a new connection. |
| 421 | if (mServiceConnection == null) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 422 | mServiceConnection = mServiceConnProducer.apply(appData); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 423 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 424 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 425 | // Make sure the connection is connected (idempotent) |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 426 | mServiceConnection.bind(mContext); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 427 | } |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 428 | } else { // otherwise make sure it isn't bound. |
| 429 | unbindFromScoringServiceIfNeeded(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 430 | } |
| 431 | } |
| 432 | |
| 433 | private void unbindFromScoringServiceIfNeeded() { |
| 434 | if (DBG) Log.d(TAG, "unbindFromScoringServiceIfNeeded"); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 435 | synchronized (mServiceConnectionLock) { |
| 436 | if (mServiceConnection != null) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 437 | mServiceConnection.unbind(mContext); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 438 | if (DBG) Log.d(TAG, "Disconnected from: " |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 439 | + mServiceConnection.getAppData().getRecommendationServiceComponent()); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 440 | } |
| 441 | mServiceConnection = null; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 442 | } |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 443 | clearInternal(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 444 | } |
| 445 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 446 | @Override |
| 447 | public boolean updateScores(ScoredNetwork[] networks) { |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 448 | if (!isCallerActiveScorer(getCallingUid())) { |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 449 | throw new SecurityException("Caller with UID " + getCallingUid() + |
| 450 | " is not the active scorer."); |
| 451 | } |
| 452 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 453 | final long token = Binder.clearCallingIdentity(); |
| 454 | try { |
| 455 | // Separate networks by type. |
| 456 | Map<Integer, List<ScoredNetwork>> networksByType = new ArrayMap<>(); |
| 457 | for (ScoredNetwork network : networks) { |
| 458 | List<ScoredNetwork> networkList = networksByType.get(network.networkKey.type); |
| 459 | if (networkList == null) { |
| 460 | networkList = new ArrayList<>(); |
| 461 | networksByType.put(network.networkKey.type, networkList); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 462 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 463 | networkList.add(network); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 464 | } |
| 465 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 466 | // Pass the scores of each type down to the appropriate network scorer. |
| 467 | for (final Map.Entry<Integer, List<ScoredNetwork>> entry : networksByType.entrySet()) { |
| 468 | final RemoteCallbackList<INetworkScoreCache> callbackList; |
| 469 | final boolean isEmpty; |
| 470 | synchronized (mScoreCaches) { |
| 471 | callbackList = mScoreCaches.get(entry.getKey()); |
| 472 | isEmpty = callbackList == null |
| 473 | || callbackList.getRegisteredCallbackCount() == 0; |
| 474 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 475 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 476 | if (isEmpty) { |
| 477 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 478 | Log.v(TAG, "No scorer registered for type " + entry.getKey() |
| 479 | + ", discarding"); |
| 480 | } |
| 481 | continue; |
| 482 | } |
| 483 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 484 | final BiConsumer<INetworkScoreCache, Object> consumer = |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 485 | FilteringCacheUpdatingConsumer.create(mContext, entry.getValue(), |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 486 | entry.getKey()); |
| 487 | sendCacheUpdateCallback(consumer, Collections.singleton(callbackList)); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 488 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 489 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 490 | return true; |
| 491 | } finally { |
| 492 | Binder.restoreCallingIdentity(token); |
| 493 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 494 | } |
| 495 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 496 | /** |
| 497 | * A {@link BiConsumer} implementation that filters the given {@link ScoredNetwork} |
| 498 | * list (if needed) before invoking {@link INetworkScoreCache#updateScores(List)} on the |
| 499 | * accepted {@link INetworkScoreCache} implementation. |
| 500 | */ |
| 501 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 502 | static class FilteringCacheUpdatingConsumer |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 503 | implements BiConsumer<INetworkScoreCache, Object> { |
| 504 | private final Context mContext; |
| 505 | private final List<ScoredNetwork> mScoredNetworkList; |
| 506 | private final int mNetworkType; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 507 | // TODO: 1/23/17 - Consider a Map if we implement more filters. |
| 508 | // These are created on-demand to defer the construction cost until |
| 509 | // an instance is actually needed. |
| 510 | private UnaryOperator<List<ScoredNetwork>> mCurrentNetworkFilter; |
| 511 | private UnaryOperator<List<ScoredNetwork>> mScanResultsFilter; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 512 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 513 | static FilteringCacheUpdatingConsumer create(Context context, |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 514 | List<ScoredNetwork> scoredNetworkList, int networkType) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 515 | return new FilteringCacheUpdatingConsumer(context, scoredNetworkList, networkType, |
| 516 | null, null); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 517 | } |
| 518 | |
| 519 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 520 | FilteringCacheUpdatingConsumer(Context context, |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 521 | List<ScoredNetwork> scoredNetworkList, int networkType, |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 522 | UnaryOperator<List<ScoredNetwork>> currentNetworkFilter, |
| 523 | UnaryOperator<List<ScoredNetwork>> scanResultsFilter) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 524 | mContext = context; |
| 525 | mScoredNetworkList = scoredNetworkList; |
| 526 | mNetworkType = networkType; |
| 527 | mCurrentNetworkFilter = currentNetworkFilter; |
| 528 | mScanResultsFilter = scanResultsFilter; |
| 529 | } |
| 530 | |
| 531 | @Override |
| 532 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
| 533 | int filterType = NetworkScoreManager.CACHE_FILTER_NONE; |
| 534 | if (cookie instanceof Integer) { |
| 535 | filterType = (Integer) cookie; |
| 536 | } |
| 537 | |
| 538 | try { |
| 539 | final List<ScoredNetwork> filteredNetworkList = |
| 540 | filterScores(mScoredNetworkList, filterType); |
| 541 | if (!filteredNetworkList.isEmpty()) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 542 | networkScoreCache.updateScores(filteredNetworkList); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 543 | } |
| 544 | } catch (RemoteException e) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 545 | if (VERBOSE) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 546 | Log.v(TAG, "Unable to update scores of type " + mNetworkType, e); |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | /** |
| 552 | * Applies the appropriate filter and returns the filtered results. |
| 553 | */ |
| 554 | private List<ScoredNetwork> filterScores(List<ScoredNetwork> scoredNetworkList, |
| 555 | int filterType) { |
| 556 | switch (filterType) { |
| 557 | case NetworkScoreManager.CACHE_FILTER_NONE: |
| 558 | return scoredNetworkList; |
| 559 | |
| 560 | case NetworkScoreManager.CACHE_FILTER_CURRENT_NETWORK: |
| 561 | if (mCurrentNetworkFilter == null) { |
| 562 | mCurrentNetworkFilter = |
| 563 | new CurrentNetworkScoreCacheFilter(new WifiInfoSupplier(mContext)); |
| 564 | } |
| 565 | return mCurrentNetworkFilter.apply(scoredNetworkList); |
| 566 | |
| 567 | case NetworkScoreManager.CACHE_FILTER_SCAN_RESULTS: |
| 568 | if (mScanResultsFilter == null) { |
| 569 | mScanResultsFilter = new ScanResultsScoreCacheFilter( |
| 570 | new ScanResultsSupplier(mContext)); |
| 571 | } |
| 572 | return mScanResultsFilter.apply(scoredNetworkList); |
| 573 | |
| 574 | default: |
| 575 | Log.w(TAG, "Unknown filter type: " + filterType); |
| 576 | return scoredNetworkList; |
| 577 | } |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | /** |
| 582 | * Helper class that improves the testability of the cache filter Functions. |
| 583 | */ |
| 584 | private static class WifiInfoSupplier implements Supplier<WifiInfo> { |
| 585 | private final Context mContext; |
| 586 | |
| 587 | WifiInfoSupplier(Context context) { |
| 588 | mContext = context; |
| 589 | } |
| 590 | |
| 591 | @Override |
| 592 | public WifiInfo get() { |
| 593 | WifiManager wifiManager = mContext.getSystemService(WifiManager.class); |
| 594 | if (wifiManager != null) { |
| 595 | return wifiManager.getConnectionInfo(); |
| 596 | } |
| 597 | Log.w(TAG, "WifiManager is null, failed to return the WifiInfo."); |
| 598 | return null; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | /** |
| 603 | * Helper class that improves the testability of the cache filter Functions. |
| 604 | */ |
| 605 | private static class ScanResultsSupplier implements Supplier<List<ScanResult>> { |
| 606 | private final Context mContext; |
| 607 | |
| 608 | ScanResultsSupplier(Context context) { |
| 609 | mContext = context; |
| 610 | } |
| 611 | |
| 612 | @Override |
| 613 | public List<ScanResult> get() { |
| 614 | WifiScanner wifiScanner = mContext.getSystemService(WifiScanner.class); |
| 615 | if (wifiScanner != null) { |
| 616 | return wifiScanner.getSingleScanResults(); |
| 617 | } |
| 618 | Log.w(TAG, "WifiScanner is null, failed to return scan results."); |
| 619 | return Collections.emptyList(); |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | /** |
| 624 | * Filters the given set of {@link ScoredNetwork}s and returns a new List containing only the |
| 625 | * {@link ScoredNetwork} associated with the current network. If no network is connected the |
| 626 | * returned list will be empty. |
| 627 | * <p> |
| 628 | * Note: this filter performs some internal caching for consistency and performance. The |
| 629 | * current network is determined at construction time and never changed. Also, the |
| 630 | * last filtered list is saved so if the same input is provided multiple times in a row |
| 631 | * the computation is only done once. |
| 632 | */ |
| 633 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 634 | static class CurrentNetworkScoreCacheFilter implements UnaryOperator<List<ScoredNetwork>> { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 635 | private final NetworkKey mCurrentNetwork; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 636 | |
| 637 | CurrentNetworkScoreCacheFilter(Supplier<WifiInfo> wifiInfoSupplier) { |
| 638 | mCurrentNetwork = NetworkKey.createFromWifiInfo(wifiInfoSupplier.get()); |
| 639 | } |
| 640 | |
| 641 | @Override |
| 642 | public List<ScoredNetwork> apply(List<ScoredNetwork> scoredNetworks) { |
| 643 | if (mCurrentNetwork == null || scoredNetworks.isEmpty()) { |
| 644 | return Collections.emptyList(); |
| 645 | } |
| 646 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 647 | for (int i = 0; i < scoredNetworks.size(); i++) { |
| 648 | final ScoredNetwork scoredNetwork = scoredNetworks.get(i); |
| 649 | if (scoredNetwork.networkKey.equals(mCurrentNetwork)) { |
| 650 | return Collections.singletonList(scoredNetwork); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 651 | } |
| 652 | } |
| 653 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 654 | return Collections.emptyList(); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 655 | } |
| 656 | } |
| 657 | |
| 658 | /** |
| 659 | * Filters the given set of {@link ScoredNetwork}s and returns a new List containing only the |
| 660 | * {@link ScoredNetwork} associated with the current set of {@link ScanResult}s. |
| 661 | * If there are no {@link ScanResult}s the returned list will be empty. |
| 662 | * <p> |
| 663 | * Note: this filter performs some internal caching for consistency and performance. The |
| 664 | * current set of ScanResults is determined at construction time and never changed. |
| 665 | * Also, the last filtered list is saved so if the same input is provided multiple |
| 666 | * times in a row the computation is only done once. |
| 667 | */ |
| 668 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 669 | static class ScanResultsScoreCacheFilter implements UnaryOperator<List<ScoredNetwork>> { |
| 670 | private final Set<NetworkKey> mScanResultKeys; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 671 | |
| 672 | ScanResultsScoreCacheFilter(Supplier<List<ScanResult>> resultsSupplier) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 673 | List<ScanResult> scanResults = resultsSupplier.get(); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 674 | final int size = scanResults.size(); |
| 675 | mScanResultKeys = new ArraySet<>(size); |
| 676 | for (int i = 0; i < size; i++) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 677 | ScanResult scanResult = scanResults.get(i); |
Stephen Chen | fde900d | 2017-02-14 16:40:21 -0800 | [diff] [blame] | 678 | NetworkKey key = NetworkKey.createFromScanResult(scanResult); |
| 679 | if (key != null) { |
| 680 | mScanResultKeys.add(key); |
| 681 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 682 | } |
| 683 | } |
| 684 | |
| 685 | @Override |
| 686 | public List<ScoredNetwork> apply(List<ScoredNetwork> scoredNetworks) { |
| 687 | if (mScanResultKeys.isEmpty() || scoredNetworks.isEmpty()) { |
| 688 | return Collections.emptyList(); |
| 689 | } |
| 690 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 691 | List<ScoredNetwork> filteredScores = new ArrayList<>(); |
| 692 | for (int i = 0; i < scoredNetworks.size(); i++) { |
| 693 | final ScoredNetwork scoredNetwork = scoredNetworks.get(i); |
| 694 | if (mScanResultKeys.contains(scoredNetwork.networkKey)) { |
| 695 | filteredScores.add(scoredNetwork); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 696 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 697 | } |
| 698 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 699 | return filteredScores; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 700 | } |
| 701 | } |
| 702 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 703 | @Override |
| 704 | public boolean clearScores() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 705 | // Only the active scorer or the system should be allowed to flush all scores. |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 706 | enforceSystemOrIsActiveScorer(getCallingUid()); |
| 707 | final long token = Binder.clearCallingIdentity(); |
| 708 | try { |
| 709 | clearInternal(); |
| 710 | return true; |
| 711 | } finally { |
| 712 | Binder.restoreCallingIdentity(token); |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 713 | } |
| 714 | } |
| 715 | |
| 716 | @Override |
| 717 | public boolean setActiveScorer(String packageName) { |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 718 | enforceSystemOrHasScoreNetworks(); |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 719 | return mNetworkScorerAppManager.setActiveScorer(packageName); |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 720 | } |
| 721 | |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 722 | /** |
| 723 | * Determine whether the application with the given UID is the enabled scorer. |
| 724 | * |
| 725 | * @param callingUid the UID to check |
| 726 | * @return true if the provided UID is the active scorer, false otherwise. |
| 727 | */ |
| 728 | @Override |
| 729 | public boolean isCallerActiveScorer(int callingUid) { |
| 730 | synchronized (mServiceConnectionLock) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 731 | return mServiceConnection != null |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 732 | && mServiceConnection.getAppData().packageUid == callingUid; |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 733 | } |
| 734 | } |
| 735 | |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 736 | private void enforceSystemOnly() throws SecurityException { |
| 737 | // REQUEST_NETWORK_SCORES is a signature only permission. |
| 738 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, |
| 739 | "Caller must be granted REQUEST_NETWORK_SCORES."); |
| 740 | } |
| 741 | |
| 742 | private void enforceSystemOrHasScoreNetworks() throws SecurityException { |
| 743 | if (mContext.checkCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES) |
| 744 | != PackageManager.PERMISSION_GRANTED |
| 745 | && mContext.checkCallingOrSelfPermission(permission.SCORE_NETWORKS) |
| 746 | != PackageManager.PERMISSION_GRANTED) { |
| 747 | throw new SecurityException( |
| 748 | "Caller is neither the system process or a network scorer."); |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | private void enforceSystemOrIsActiveScorer(int callingUid) throws SecurityException { |
| 753 | if (mContext.checkCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES) |
| 754 | != PackageManager.PERMISSION_GRANTED |
| 755 | && !isCallerActiveScorer(callingUid)) { |
| 756 | throw new SecurityException( |
| 757 | "Caller is neither the system process or the active network scorer."); |
| 758 | } |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 759 | } |
| 760 | |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 761 | /** |
| 762 | * Obtain the package name of the current active network scorer. |
| 763 | * |
| 764 | * @return the full package name of the current active scorer, or null if there is no active |
| 765 | * scorer. |
| 766 | */ |
| 767 | @Override |
| 768 | public String getActiveScorerPackage() { |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 769 | enforceSystemOrHasScoreNetworks(); |
| 770 | synchronized (mServiceConnectionLock) { |
| 771 | if (mServiceConnection != null) { |
| 772 | return mServiceConnection.getPackageName(); |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 773 | } |
| 774 | } |
| 775 | return null; |
| 776 | } |
| 777 | |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 778 | /** |
| 779 | * Returns metadata about the active scorer or <code>null</code> if there is no active scorer. |
| 780 | */ |
| 781 | @Override |
| 782 | public NetworkScorerAppData getActiveScorer() { |
| 783 | // Only the system can access this data. |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 784 | enforceSystemOnly(); |
| 785 | synchronized (mServiceConnectionLock) { |
| 786 | if (mServiceConnection != null) { |
| 787 | return mServiceConnection.getAppData(); |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 788 | } |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 789 | } |
| 790 | |
| 791 | return null; |
| 792 | } |
| 793 | |
Jeremy Joslin | f95c865 | 2017-02-09 15:32:04 -0800 | [diff] [blame] | 794 | /** |
| 795 | * Returns the list of available scorer apps. The list will be empty if there are |
| 796 | * no valid scorers. |
| 797 | */ |
| 798 | @Override |
| 799 | public List<NetworkScorerAppData> getAllValidScorers() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 800 | // Only the system can access this data. |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 801 | enforceSystemOnly(); |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 802 | return mNetworkScorerAppManager.getAllValidScorers(); |
Jeremy Joslin | f95c865 | 2017-02-09 15:32:04 -0800 | [diff] [blame] | 803 | } |
| 804 | |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 805 | @Override |
| 806 | public void disableScoring() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 807 | // Only the active scorer or the system should be allowed to disable scoring. |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 808 | enforceSystemOrIsActiveScorer(getCallingUid()); |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 809 | // no-op for now but we could write to the setting if needed. |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 812 | /** Clear scores. Callers are responsible for checking permissions as appropriate. */ |
| 813 | private void clearInternal() { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 814 | sendCacheUpdateCallback(new BiConsumer<INetworkScoreCache, Object>() { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 815 | @Override |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 816 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 817 | try { |
| 818 | networkScoreCache.clearScores(); |
| 819 | } catch (RemoteException e) { |
| 820 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 821 | Log.v(TAG, "Unable to clear scores", e); |
| 822 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 823 | } |
| 824 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 825 | }, getScoreCacheLists()); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | @Override |
Jeremy Joslin | c5ac587 | 2016-11-30 15:05:40 -0800 | [diff] [blame] | 829 | public void registerNetworkScoreCache(int networkType, |
| 830 | INetworkScoreCache scoreCache, |
| 831 | int filterType) { |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 832 | enforceSystemOnly(); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 833 | final long token = Binder.clearCallingIdentity(); |
| 834 | try { |
| 835 | synchronized (mScoreCaches) { |
| 836 | RemoteCallbackList<INetworkScoreCache> callbackList = mScoreCaches.get(networkType); |
| 837 | if (callbackList == null) { |
| 838 | callbackList = new RemoteCallbackList<>(); |
| 839 | mScoreCaches.put(networkType, callbackList); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 840 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 841 | if (!callbackList.register(scoreCache, filterType)) { |
| 842 | if (callbackList.getRegisteredCallbackCount() == 0) { |
| 843 | mScoreCaches.remove(networkType); |
| 844 | } |
| 845 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 846 | Log.v(TAG, "Unable to register NetworkScoreCache for type " + networkType); |
| 847 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 848 | } |
| 849 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 850 | } finally { |
| 851 | Binder.restoreCallingIdentity(token); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 852 | } |
| 853 | } |
| 854 | |
| 855 | @Override |
| 856 | public void unregisterNetworkScoreCache(int networkType, INetworkScoreCache scoreCache) { |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 857 | enforceSystemOnly(); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 858 | final long token = Binder.clearCallingIdentity(); |
| 859 | try { |
| 860 | synchronized (mScoreCaches) { |
| 861 | RemoteCallbackList<INetworkScoreCache> callbackList = mScoreCaches.get(networkType); |
| 862 | if (callbackList == null || !callbackList.unregister(scoreCache)) { |
| 863 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 864 | Log.v(TAG, "Unable to unregister NetworkScoreCache for type " |
| 865 | + networkType); |
| 866 | } |
| 867 | } else if (callbackList.getRegisteredCallbackCount() == 0) { |
| 868 | mScoreCaches.remove(networkType); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 869 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 870 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 871 | } finally { |
| 872 | Binder.restoreCallingIdentity(token); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 873 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 874 | } |
| 875 | |
| 876 | @Override |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 877 | public boolean requestScores(NetworkKey[] networks) { |
Jeremy Joslin | 1588b3b | 2017-08-11 15:35:12 -0700 | [diff] [blame] | 878 | enforceSystemOnly(); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 879 | final long token = Binder.clearCallingIdentity(); |
| 880 | try { |
| 881 | final INetworkRecommendationProvider provider = getRecommendationProvider(); |
| 882 | if (provider != null) { |
| 883 | try { |
| 884 | provider.requestScores(networks); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 885 | // TODO: 12/15/16 - Consider pushing null scores into the cache to |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 886 | // prevent repeated requests for the same scores. |
| 887 | return true; |
| 888 | } catch (RemoteException e) { |
| 889 | Log.w(TAG, "Failed to request scores.", e); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 890 | // TODO: 12/15/16 - Keep track of failures. |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 891 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 892 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 893 | return false; |
| 894 | } finally { |
| 895 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 896 | } |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 897 | } |
| 898 | |
| 899 | @Override |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 900 | protected void dump(final FileDescriptor fd, final PrintWriter writer, final String[] args) { |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 901 | if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return; |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 902 | final long token = Binder.clearCallingIdentity(); |
| 903 | try { |
| 904 | NetworkScorerAppData currentScorer = mNetworkScorerAppManager.getActiveScorer(); |
| 905 | if (currentScorer == null) { |
| 906 | writer.println("Scoring is disabled."); |
| 907 | return; |
| 908 | } |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 909 | writer.println("Current scorer: " + currentScorer); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 910 | |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 911 | sendCacheUpdateCallback(new BiConsumer<INetworkScoreCache, Object>() { |
| 912 | @Override |
| 913 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
| 914 | try { |
| 915 | TransferPipe.dumpAsync(networkScoreCache.asBinder(), fd, args); |
| 916 | } catch (IOException | RemoteException e) { |
| 917 | writer.println("Failed to dump score cache: " + e); |
| 918 | } |
| 919 | } |
| 920 | }, getScoreCacheLists()); |
| 921 | |
| 922 | synchronized (mServiceConnectionLock) { |
| 923 | if (mServiceConnection != null) { |
| 924 | mServiceConnection.dump(fd, writer, args); |
| 925 | } else { |
| 926 | writer.println("ScoringServiceConnection: null"); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 927 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 928 | } |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 929 | writer.flush(); |
| 930 | } finally { |
| 931 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 932 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 933 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 934 | |
| 935 | /** |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 936 | * Returns a {@link Collection} of all {@link RemoteCallbackList}s that are currently active. |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 937 | * |
| 938 | * <p>May be used to perform an action on all score caches without potentially strange behavior |
| 939 | * if a new scorer is registered during that action's execution. |
| 940 | */ |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 941 | private Collection<RemoteCallbackList<INetworkScoreCache>> getScoreCacheLists() { |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 942 | synchronized (mScoreCaches) { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 943 | return new ArrayList<>(mScoreCaches.values()); |
| 944 | } |
| 945 | } |
| 946 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 947 | private void sendCacheUpdateCallback(BiConsumer<INetworkScoreCache, Object> consumer, |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 948 | Collection<RemoteCallbackList<INetworkScoreCache>> remoteCallbackLists) { |
| 949 | for (RemoteCallbackList<INetworkScoreCache> callbackList : remoteCallbackLists) { |
| 950 | synchronized (callbackList) { // Ensure only one active broadcast per RemoteCallbackList |
| 951 | final int count = callbackList.beginBroadcast(); |
| 952 | try { |
| 953 | for (int i = 0; i < count; i++) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 954 | consumer.accept(callbackList.getBroadcastItem(i), |
Jeremy Joslin | 7890e19 | 2017-02-06 11:14:34 -0800 | [diff] [blame] | 955 | callbackList.getBroadcastCookie(i)); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 956 | } |
| 957 | } finally { |
| 958 | callbackList.finishBroadcast(); |
| 959 | } |
| 960 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 961 | } |
| 962 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 963 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 964 | @Nullable |
| 965 | private INetworkRecommendationProvider getRecommendationProvider() { |
| 966 | synchronized (mServiceConnectionLock) { |
| 967 | if (mServiceConnection != null) { |
| 968 | return mServiceConnection.getRecommendationProvider(); |
| 969 | } |
| 970 | } |
| 971 | return null; |
| 972 | } |
| 973 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 974 | // The class and methods need to be public for Mockito to work. |
| 975 | @VisibleForTesting |
| 976 | public static class ScoringServiceConnection implements ServiceConnection { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 977 | private final NetworkScorerAppData mAppData; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 978 | private volatile boolean mBound = false; |
| 979 | private volatile boolean mConnected = false; |
| 980 | private volatile INetworkRecommendationProvider mRecommendationProvider; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 981 | |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 982 | ScoringServiceConnection(NetworkScorerAppData appData) { |
| 983 | mAppData = appData; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 984 | } |
| 985 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 986 | @VisibleForTesting |
| 987 | public void bind(Context context) { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 988 | if (!mBound) { |
Joe LaPenna | 25e7ec2 | 2016-12-27 14:50:14 -0800 | [diff] [blame] | 989 | Intent service = new Intent(NetworkScoreManager.ACTION_RECOMMEND_NETWORKS); |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 990 | service.setComponent(mAppData.getRecommendationServiceComponent()); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 991 | mBound = context.bindServiceAsUser(service, this, |
| 992 | Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE, |
| 993 | UserHandle.SYSTEM); |
| 994 | if (!mBound) { |
| 995 | Log.w(TAG, "Bind call failed for " + service); |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 996 | context.unbindService(this); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 997 | } else { |
| 998 | if (DBG) Log.d(TAG, "ScoringServiceConnection bound."); |
| 999 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1000 | } |
| 1001 | } |
| 1002 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 1003 | @VisibleForTesting |
| 1004 | public void unbind(Context context) { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1005 | try { |
| 1006 | if (mBound) { |
| 1007 | mBound = false; |
| 1008 | context.unbindService(this); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1009 | if (DBG) Log.d(TAG, "ScoringServiceConnection unbound."); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1010 | } |
| 1011 | } catch (RuntimeException e) { |
| 1012 | Log.e(TAG, "Unbind failed.", e); |
| 1013 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1014 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 1015 | mConnected = false; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1016 | mRecommendationProvider = null; |
| 1017 | } |
| 1018 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 1019 | @VisibleForTesting |
| 1020 | public NetworkScorerAppData getAppData() { |
| 1021 | return mAppData; |
| 1022 | } |
| 1023 | |
| 1024 | @VisibleForTesting |
| 1025 | public INetworkRecommendationProvider getRecommendationProvider() { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1026 | return mRecommendationProvider; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1027 | } |
| 1028 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 1029 | @VisibleForTesting |
| 1030 | public String getPackageName() { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1031 | return mAppData.getRecommendationServiceComponent().getPackageName(); |
| 1032 | } |
| 1033 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 1034 | @VisibleForTesting |
| 1035 | public boolean isAlive() { |
| 1036 | return mBound && mConnected; |
| 1037 | } |
| 1038 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1039 | @Override |
| 1040 | public void onServiceConnected(ComponentName name, IBinder service) { |
| 1041 | if (DBG) Log.d(TAG, "ScoringServiceConnection: " + name.flattenToString()); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1042 | mConnected = true; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1043 | mRecommendationProvider = INetworkRecommendationProvider.Stub.asInterface(service); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | @Override |
| 1047 | public void onServiceDisconnected(ComponentName name) { |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1048 | if (DBG) { |
| 1049 | Log.d(TAG, "ScoringServiceConnection, disconnected: " + name.flattenToString()); |
| 1050 | } |
| 1051 | mConnected = false; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1052 | mRecommendationProvider = null; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1053 | } |
| 1054 | |
| 1055 | public void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1056 | writer.println("ScoringServiceConnection: " |
| 1057 | + mAppData.getRecommendationServiceComponent() |
| 1058 | + ", bound: " + mBound |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1059 | + ", connected: " + mConnected); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1060 | } |
| 1061 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1062 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1063 | @VisibleForTesting |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1064 | public final class ServiceHandler extends Handler { |
Jeremy Joslin | b1a0139 | 2017-04-14 13:35:48 -0700 | [diff] [blame] | 1065 | public static final int MSG_RECOMMENDATIONS_PACKAGE_CHANGED = 1; |
| 1066 | public static final int MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED = 2; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1067 | |
| 1068 | public ServiceHandler(Looper looper) { |
| 1069 | super(looper); |
| 1070 | } |
| 1071 | |
| 1072 | @Override |
| 1073 | public void handleMessage(Message msg) { |
| 1074 | final int what = msg.what; |
| 1075 | switch (what) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1076 | case MSG_RECOMMENDATIONS_PACKAGE_CHANGED: |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 1077 | case MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED: |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1078 | refreshBinding(); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1079 | break; |
| 1080 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1081 | default: |
| 1082 | Log.w(TAG,"Unknown message: " + what); |
| 1083 | } |
| 1084 | } |
| 1085 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 1086 | } |