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