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; |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 49 | import android.os.Process; |
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; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 54 | import android.util.ArrayMap; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 55 | import android.util.ArraySet; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 56 | import android.util.Log; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 57 | |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 58 | import com.android.internal.annotations.GuardedBy; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 59 | import com.android.internal.annotations.VisibleForTesting; |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 60 | import com.android.internal.content.PackageMonitor; |
Jeff Sharkey | ba6f8c8 | 2016-11-09 12:25:44 -0700 | [diff] [blame] | 61 | import com.android.internal.os.TransferPipe; |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 62 | import com.android.internal.util.DumpUtils; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 63 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 64 | import java.io.FileDescriptor; |
Jeff Sharkey | ba6f8c8 | 2016-11-09 12:25:44 -0700 | [diff] [blame] | 65 | import java.io.IOException; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 66 | import java.io.PrintWriter; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 67 | import java.util.ArrayList; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 68 | import java.util.Collection; |
| 69 | import java.util.Collections; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 70 | import java.util.List; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 71 | import java.util.Map; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 72 | import java.util.Set; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 73 | import java.util.function.BiConsumer; |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 74 | import java.util.function.Function; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 75 | import java.util.function.Supplier; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 76 | import java.util.function.UnaryOperator; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 77 | |
| 78 | /** |
| 79 | * Backing service for {@link android.net.NetworkScoreManager}. |
| 80 | * @hide |
| 81 | */ |
| 82 | public class NetworkScoreService extends INetworkScoreService.Stub { |
| 83 | private static final String TAG = "NetworkScoreService"; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 84 | 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] | 85 | 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] | 86 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 87 | private final Context mContext; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 88 | private final NetworkScorerAppManager mNetworkScorerAppManager; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 89 | @GuardedBy("mScoreCaches") |
| 90 | private final Map<Integer, RemoteCallbackList<INetworkScoreCache>> mScoreCaches; |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 91 | /** Lock used to update mPackageMonitor when scorer package changes occur. */ |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 92 | private final Object mPackageMonitorLock = new Object(); |
| 93 | private final Object mServiceConnectionLock = new Object(); |
| 94 | private final Handler mHandler; |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 95 | private final DispatchingContentObserver mContentObserver; |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 96 | private final Function<NetworkScorerAppData, ScoringServiceConnection> mServiceConnProducer; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 97 | |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 98 | @GuardedBy("mPackageMonitorLock") |
| 99 | private NetworkScorerPackageMonitor mPackageMonitor; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 100 | @GuardedBy("mServiceConnectionLock") |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 101 | private ScoringServiceConnection mServiceConnection; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 102 | |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 103 | private BroadcastReceiver mUserIntentReceiver = new BroadcastReceiver() { |
| 104 | @Override |
| 105 | public void onReceive(Context context, Intent intent) { |
| 106 | final String action = intent.getAction(); |
| 107 | final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); |
| 108 | if (DBG) Log.d(TAG, "Received " + action + " for userId " + userId); |
| 109 | if (userId == UserHandle.USER_NULL) return; |
| 110 | |
| 111 | if (Intent.ACTION_USER_UNLOCKED.equals(action)) { |
| 112 | onUserUnlocked(userId); |
| 113 | } |
| 114 | } |
| 115 | }; |
| 116 | |
Jeremy Joslin | 59502eb | 2017-07-14 15:00:53 -0700 | [diff] [blame] | 117 | private BroadcastReceiver mLocationModeReceiver = new BroadcastReceiver() { |
| 118 | @Override |
| 119 | public void onReceive(Context context, Intent intent) { |
| 120 | final String action = intent.getAction(); |
| 121 | if (LocationManager.MODE_CHANGED_ACTION.equals(action)) { |
| 122 | refreshBinding(); |
| 123 | } |
| 124 | } |
| 125 | }; |
| 126 | |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 127 | /** |
| 128 | * Clears scores when the active scorer package is no longer valid and |
| 129 | * manages the service connection. |
| 130 | */ |
| 131 | private class NetworkScorerPackageMonitor extends PackageMonitor { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 132 | final String mPackageToWatch; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 133 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 134 | private NetworkScorerPackageMonitor(String packageToWatch) { |
| 135 | mPackageToWatch = packageToWatch; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | @Override |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 139 | public void onPackageAdded(String packageName, int uid) { |
| 140 | evaluateBinding(packageName, true /* forceUnbind */); |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public void onPackageRemoved(String packageName, int uid) { |
| 145 | evaluateBinding(packageName, true /* forceUnbind */); |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public void onPackageModified(String packageName) { |
| 150 | evaluateBinding(packageName, false /* forceUnbind */); |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { |
| 155 | if (doit) { // "doit" means the force stop happened instead of just being queried for. |
| 156 | for (String packageName : packages) { |
| 157 | evaluateBinding(packageName, true /* forceUnbind */); |
| 158 | } |
| 159 | } |
| 160 | return super.onHandleForceStop(intent, packages, uid, doit); |
| 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public void onPackageUpdateFinished(String packageName, int uid) { |
| 165 | evaluateBinding(packageName, true /* forceUnbind */); |
| 166 | } |
| 167 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 168 | private void evaluateBinding(String changedPackageName, boolean forceUnbind) { |
| 169 | if (!mPackageToWatch.equals(changedPackageName)) { |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 170 | // Early exit when we don't care about the package that has changed. |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | if (DBG) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 175 | Log.d(TAG, "Evaluating binding for: " + changedPackageName |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 176 | + ", forceUnbind=" + forceUnbind); |
| 177 | } |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 178 | |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 179 | final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer(); |
| 180 | if (activeScorer == null) { |
| 181 | // Package change has invalidated a scorer, this will also unbind any service |
| 182 | // connection. |
| 183 | if (DBG) Log.d(TAG, "No active scorers available."); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 184 | refreshBinding(); |
| 185 | } else { // The scoring service changed in some way. |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 186 | if (forceUnbind) { |
| 187 | unbindFromScoringServiceIfNeeded(); |
| 188 | } |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 189 | if (DBG) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 190 | Log.d(TAG, "Binding to " + activeScorer.getRecommendationServiceComponent() |
| 191 | + " if needed."); |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 192 | } |
| 193 | bindToScoringServiceIfNeeded(activeScorer); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 194 | } |
| 195 | } |
| 196 | } |
| 197 | |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 198 | /** |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 199 | * Dispatches observed content changes to a handler for further processing. |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 200 | */ |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 201 | @VisibleForTesting |
| 202 | public static class DispatchingContentObserver extends ContentObserver { |
| 203 | final private Map<Uri, Integer> mUriEventMap; |
| 204 | final private Context mContext; |
| 205 | final private Handler mHandler; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 206 | |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 207 | public DispatchingContentObserver(Context context, Handler handler) { |
| 208 | super(handler); |
| 209 | mContext = context; |
| 210 | mHandler = handler; |
| 211 | mUriEventMap = new ArrayMap<>(); |
| 212 | } |
| 213 | |
| 214 | void observe(Uri uri, int what) { |
| 215 | mUriEventMap.put(uri, what); |
| 216 | final ContentResolver resolver = mContext.getContentResolver(); |
| 217 | resolver.registerContentObserver(uri, false /*notifyForDescendants*/, this); |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | @Override |
| 221 | public void onChange(boolean selfChange) { |
| 222 | onChange(selfChange, null); |
| 223 | } |
| 224 | |
| 225 | @Override |
| 226 | public void onChange(boolean selfChange, Uri uri) { |
| 227 | if (DBG) Log.d(TAG, String.format("onChange(%s, %s)", selfChange, uri)); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 228 | final Integer what = mUriEventMap.get(uri); |
| 229 | if (what != null) { |
| 230 | mHandler.obtainMessage(what).sendToTarget(); |
| 231 | } else { |
| 232 | Log.w(TAG, "No matching event to send for URI = " + uri); |
| 233 | } |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 234 | } |
| 235 | } |
| 236 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 237 | public NetworkScoreService(Context context) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 238 | this(context, new NetworkScorerAppManager(context), |
| 239 | ScoringServiceConnection::new, Looper.myLooper()); |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | @VisibleForTesting |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 243 | NetworkScoreService(Context context, NetworkScorerAppManager networkScoreAppManager, |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 244 | Function<NetworkScorerAppData, ScoringServiceConnection> serviceConnProducer, |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 245 | Looper looper) { |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 246 | mContext = context; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 247 | mNetworkScorerAppManager = networkScoreAppManager; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 248 | mScoreCaches = new ArrayMap<>(); |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 249 | IntentFilter filter = new IntentFilter(Intent.ACTION_USER_UNLOCKED); |
| 250 | // TODO: Need to update when we support per-user scorers. http://b/23422763 |
| 251 | mContext.registerReceiverAsUser( |
| 252 | mUserIntentReceiver, UserHandle.SYSTEM, filter, null /* broadcastPermission*/, |
| 253 | null /* scheduler */); |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 254 | mHandler = new ServiceHandler(looper); |
Jeremy Joslin | 59502eb | 2017-07-14 15:00:53 -0700 | [diff] [blame] | 255 | IntentFilter locationModeFilter = new IntentFilter(LocationManager.MODE_CHANGED_ACTION); |
| 256 | mContext.registerReceiverAsUser( |
| 257 | mLocationModeReceiver, UserHandle.SYSTEM, locationModeFilter, |
| 258 | null /* broadcastPermission*/, mHandler); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 259 | mContentObserver = new DispatchingContentObserver(context, mHandler); |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 260 | mServiceConnProducer = serviceConnProducer; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | /** Called when the system is ready to run third-party code but before it actually does so. */ |
| 264 | void systemReady() { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 265 | if (DBG) Log.d(TAG, "systemReady"); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 266 | registerRecommendationSettingsObserver(); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 267 | } |
| 268 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 269 | /** Called when the system is ready for us to start third-party code. */ |
| 270 | void systemRunning() { |
| 271 | if (DBG) Log.d(TAG, "systemRunning"); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 272 | } |
| 273 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 274 | @VisibleForTesting |
| 275 | void onUserUnlocked(int userId) { |
| 276 | if (DBG) Log.d(TAG, "onUserUnlocked(" + userId + ")"); |
| 277 | refreshBinding(); |
| 278 | } |
| 279 | |
| 280 | private void refreshBinding() { |
| 281 | if (DBG) Log.d(TAG, "refreshBinding()"); |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 282 | // Make sure the scorer is up-to-date |
| 283 | mNetworkScorerAppManager.updateState(); |
Jeremy Joslin | b0fe217 | 2017-03-31 10:38:31 -0700 | [diff] [blame] | 284 | mNetworkScorerAppManager.migrateNetworkScorerAppSettingIfNeeded(); |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 285 | registerPackageMonitorIfNeeded(); |
| 286 | bindToScoringServiceIfNeeded(); |
| 287 | } |
| 288 | |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 289 | private void registerRecommendationSettingsObserver() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 290 | final Uri packageNameUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_PACKAGE); |
| 291 | mContentObserver.observe(packageNameUri, |
| 292 | ServiceHandler.MSG_RECOMMENDATIONS_PACKAGE_CHANGED); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 293 | |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 294 | final Uri settingUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_ENABLED); |
| 295 | mContentObserver.observe(settingUri, |
| 296 | ServiceHandler.MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED); |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 297 | } |
| 298 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 299 | /** |
| 300 | * Ensures the package manager is registered to monitor the current active scorer. |
| 301 | * If a discrepancy is found any previous monitor will be cleaned up |
| 302 | * and a new monitor will be created. |
| 303 | * |
| 304 | * This method is idempotent. |
| 305 | */ |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 306 | private void registerPackageMonitorIfNeeded() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 307 | if (DBG) Log.d(TAG, "registerPackageMonitorIfNeeded()"); |
| 308 | final NetworkScorerAppData appData = mNetworkScorerAppManager.getActiveScorer(); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 309 | synchronized (mPackageMonitorLock) { |
| 310 | // Unregister the current monitor if needed. |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 311 | if (mPackageMonitor != null && (appData == null |
| 312 | || !appData.getRecommendationServicePackageName().equals( |
| 313 | mPackageMonitor.mPackageToWatch))) { |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 314 | if (DBG) { |
| 315 | Log.d(TAG, "Unregistering package monitor for " |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 316 | + mPackageMonitor.mPackageToWatch); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 317 | } |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 318 | mPackageMonitor.unregister(); |
| 319 | mPackageMonitor = null; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 320 | } |
| 321 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 322 | // Create and register the monitor if a scorer is active. |
| 323 | if (appData != null && mPackageMonitor == null) { |
| 324 | mPackageMonitor = new NetworkScorerPackageMonitor( |
| 325 | appData.getRecommendationServicePackageName()); |
Xiaohui Chen | e4de5a0 | 2015-09-22 15:33:31 -0700 | [diff] [blame] | 326 | // 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] | 327 | mPackageMonitor.register(mContext, null /* thread */, UserHandle.SYSTEM, |
| 328 | false /* externalStorage */); |
| 329 | if (DBG) { |
| 330 | Log.d(TAG, "Registered package monitor for " |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 331 | + mPackageMonitor.mPackageToWatch); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 335 | } |
| 336 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 337 | private void bindToScoringServiceIfNeeded() { |
| 338 | if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded"); |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 339 | NetworkScorerAppData scorerData = mNetworkScorerAppManager.getActiveScorer(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 340 | bindToScoringServiceIfNeeded(scorerData); |
| 341 | } |
| 342 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 343 | /** |
| 344 | * Ensures the service connection is bound to the current active scorer. |
| 345 | * If a discrepancy is found any previous connection will be cleaned up |
| 346 | * and a new connection will be created. |
| 347 | * |
| 348 | * This method is idempotent. |
| 349 | */ |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 350 | private void bindToScoringServiceIfNeeded(NetworkScorerAppData appData) { |
| 351 | if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded(" + appData + ")"); |
| 352 | if (appData != null) { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 353 | synchronized (mServiceConnectionLock) { |
| 354 | // If we're connected to a different component then drop it. |
| 355 | if (mServiceConnection != null |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 356 | && !mServiceConnection.getAppData().equals(appData)) { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 357 | unbindFromScoringServiceIfNeeded(); |
| 358 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 359 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 360 | // If we're not connected at all then create a new connection. |
| 361 | if (mServiceConnection == null) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 362 | mServiceConnection = mServiceConnProducer.apply(appData); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 363 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 364 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 365 | // Make sure the connection is connected (idempotent) |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 366 | mServiceConnection.bind(mContext); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 367 | } |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 368 | } else { // otherwise make sure it isn't bound. |
| 369 | unbindFromScoringServiceIfNeeded(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 370 | } |
| 371 | } |
| 372 | |
| 373 | private void unbindFromScoringServiceIfNeeded() { |
| 374 | if (DBG) Log.d(TAG, "unbindFromScoringServiceIfNeeded"); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 375 | synchronized (mServiceConnectionLock) { |
| 376 | if (mServiceConnection != null) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 377 | mServiceConnection.unbind(mContext); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 378 | if (DBG) Log.d(TAG, "Disconnected from: " |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 379 | + mServiceConnection.getAppData().getRecommendationServiceComponent()); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 380 | } |
| 381 | mServiceConnection = null; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 382 | } |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 383 | clearInternal(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 384 | } |
| 385 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 386 | @Override |
| 387 | public boolean updateScores(ScoredNetwork[] networks) { |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 388 | if (!isCallerActiveScorer(getCallingUid())) { |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 389 | throw new SecurityException("Caller with UID " + getCallingUid() + |
| 390 | " is not the active scorer."); |
| 391 | } |
| 392 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 393 | final long token = Binder.clearCallingIdentity(); |
| 394 | try { |
| 395 | // Separate networks by type. |
| 396 | Map<Integer, List<ScoredNetwork>> networksByType = new ArrayMap<>(); |
| 397 | for (ScoredNetwork network : networks) { |
| 398 | List<ScoredNetwork> networkList = networksByType.get(network.networkKey.type); |
| 399 | if (networkList == null) { |
| 400 | networkList = new ArrayList<>(); |
| 401 | networksByType.put(network.networkKey.type, networkList); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 402 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 403 | networkList.add(network); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 404 | } |
| 405 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 406 | // Pass the scores of each type down to the appropriate network scorer. |
| 407 | for (final Map.Entry<Integer, List<ScoredNetwork>> entry : networksByType.entrySet()) { |
| 408 | final RemoteCallbackList<INetworkScoreCache> callbackList; |
| 409 | final boolean isEmpty; |
| 410 | synchronized (mScoreCaches) { |
| 411 | callbackList = mScoreCaches.get(entry.getKey()); |
| 412 | isEmpty = callbackList == null |
| 413 | || callbackList.getRegisteredCallbackCount() == 0; |
| 414 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 415 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 416 | if (isEmpty) { |
| 417 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 418 | Log.v(TAG, "No scorer registered for type " + entry.getKey() |
| 419 | + ", discarding"); |
| 420 | } |
| 421 | continue; |
| 422 | } |
| 423 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 424 | final BiConsumer<INetworkScoreCache, Object> consumer = |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 425 | FilteringCacheUpdatingConsumer.create(mContext, entry.getValue(), |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 426 | entry.getKey()); |
| 427 | sendCacheUpdateCallback(consumer, Collections.singleton(callbackList)); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 428 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 429 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 430 | return true; |
| 431 | } finally { |
| 432 | Binder.restoreCallingIdentity(token); |
| 433 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 434 | } |
| 435 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 436 | /** |
| 437 | * A {@link BiConsumer} implementation that filters the given {@link ScoredNetwork} |
| 438 | * list (if needed) before invoking {@link INetworkScoreCache#updateScores(List)} on the |
| 439 | * accepted {@link INetworkScoreCache} implementation. |
| 440 | */ |
| 441 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 442 | static class FilteringCacheUpdatingConsumer |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 443 | implements BiConsumer<INetworkScoreCache, Object> { |
| 444 | private final Context mContext; |
| 445 | private final List<ScoredNetwork> mScoredNetworkList; |
| 446 | private final int mNetworkType; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 447 | // TODO: 1/23/17 - Consider a Map if we implement more filters. |
| 448 | // These are created on-demand to defer the construction cost until |
| 449 | // an instance is actually needed. |
| 450 | private UnaryOperator<List<ScoredNetwork>> mCurrentNetworkFilter; |
| 451 | private UnaryOperator<List<ScoredNetwork>> mScanResultsFilter; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 452 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 453 | static FilteringCacheUpdatingConsumer create(Context context, |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 454 | List<ScoredNetwork> scoredNetworkList, int networkType) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 455 | return new FilteringCacheUpdatingConsumer(context, scoredNetworkList, networkType, |
| 456 | null, null); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 457 | } |
| 458 | |
| 459 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 460 | FilteringCacheUpdatingConsumer(Context context, |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 461 | List<ScoredNetwork> scoredNetworkList, int networkType, |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 462 | UnaryOperator<List<ScoredNetwork>> currentNetworkFilter, |
| 463 | UnaryOperator<List<ScoredNetwork>> scanResultsFilter) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 464 | mContext = context; |
| 465 | mScoredNetworkList = scoredNetworkList; |
| 466 | mNetworkType = networkType; |
| 467 | mCurrentNetworkFilter = currentNetworkFilter; |
| 468 | mScanResultsFilter = scanResultsFilter; |
| 469 | } |
| 470 | |
| 471 | @Override |
| 472 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
| 473 | int filterType = NetworkScoreManager.CACHE_FILTER_NONE; |
| 474 | if (cookie instanceof Integer) { |
| 475 | filterType = (Integer) cookie; |
| 476 | } |
| 477 | |
| 478 | try { |
| 479 | final List<ScoredNetwork> filteredNetworkList = |
| 480 | filterScores(mScoredNetworkList, filterType); |
| 481 | if (!filteredNetworkList.isEmpty()) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 482 | networkScoreCache.updateScores(filteredNetworkList); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 483 | } |
| 484 | } catch (RemoteException e) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 485 | if (VERBOSE) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 486 | Log.v(TAG, "Unable to update scores of type " + mNetworkType, e); |
| 487 | } |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Applies the appropriate filter and returns the filtered results. |
| 493 | */ |
| 494 | private List<ScoredNetwork> filterScores(List<ScoredNetwork> scoredNetworkList, |
| 495 | int filterType) { |
| 496 | switch (filterType) { |
| 497 | case NetworkScoreManager.CACHE_FILTER_NONE: |
| 498 | return scoredNetworkList; |
| 499 | |
| 500 | case NetworkScoreManager.CACHE_FILTER_CURRENT_NETWORK: |
| 501 | if (mCurrentNetworkFilter == null) { |
| 502 | mCurrentNetworkFilter = |
| 503 | new CurrentNetworkScoreCacheFilter(new WifiInfoSupplier(mContext)); |
| 504 | } |
| 505 | return mCurrentNetworkFilter.apply(scoredNetworkList); |
| 506 | |
| 507 | case NetworkScoreManager.CACHE_FILTER_SCAN_RESULTS: |
| 508 | if (mScanResultsFilter == null) { |
| 509 | mScanResultsFilter = new ScanResultsScoreCacheFilter( |
| 510 | new ScanResultsSupplier(mContext)); |
| 511 | } |
| 512 | return mScanResultsFilter.apply(scoredNetworkList); |
| 513 | |
| 514 | default: |
| 515 | Log.w(TAG, "Unknown filter type: " + filterType); |
| 516 | return scoredNetworkList; |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * Helper class that improves the testability of the cache filter Functions. |
| 523 | */ |
| 524 | private static class WifiInfoSupplier implements Supplier<WifiInfo> { |
| 525 | private final Context mContext; |
| 526 | |
| 527 | WifiInfoSupplier(Context context) { |
| 528 | mContext = context; |
| 529 | } |
| 530 | |
| 531 | @Override |
| 532 | public WifiInfo get() { |
| 533 | WifiManager wifiManager = mContext.getSystemService(WifiManager.class); |
| 534 | if (wifiManager != null) { |
| 535 | return wifiManager.getConnectionInfo(); |
| 536 | } |
| 537 | Log.w(TAG, "WifiManager is null, failed to return the WifiInfo."); |
| 538 | return null; |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | /** |
| 543 | * Helper class that improves the testability of the cache filter Functions. |
| 544 | */ |
| 545 | private static class ScanResultsSupplier implements Supplier<List<ScanResult>> { |
| 546 | private final Context mContext; |
| 547 | |
| 548 | ScanResultsSupplier(Context context) { |
| 549 | mContext = context; |
| 550 | } |
| 551 | |
| 552 | @Override |
| 553 | public List<ScanResult> get() { |
| 554 | WifiScanner wifiScanner = mContext.getSystemService(WifiScanner.class); |
| 555 | if (wifiScanner != null) { |
| 556 | return wifiScanner.getSingleScanResults(); |
| 557 | } |
| 558 | Log.w(TAG, "WifiScanner is null, failed to return scan results."); |
| 559 | return Collections.emptyList(); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Filters the given set of {@link ScoredNetwork}s and returns a new List containing only the |
| 565 | * {@link ScoredNetwork} associated with the current network. If no network is connected the |
| 566 | * returned list will be empty. |
| 567 | * <p> |
| 568 | * Note: this filter performs some internal caching for consistency and performance. The |
| 569 | * current network is determined at construction time and never changed. Also, the |
| 570 | * last filtered list is saved so if the same input is provided multiple times in a row |
| 571 | * the computation is only done once. |
| 572 | */ |
| 573 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 574 | static class CurrentNetworkScoreCacheFilter implements UnaryOperator<List<ScoredNetwork>> { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 575 | private final NetworkKey mCurrentNetwork; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 576 | |
| 577 | CurrentNetworkScoreCacheFilter(Supplier<WifiInfo> wifiInfoSupplier) { |
| 578 | mCurrentNetwork = NetworkKey.createFromWifiInfo(wifiInfoSupplier.get()); |
| 579 | } |
| 580 | |
| 581 | @Override |
| 582 | public List<ScoredNetwork> apply(List<ScoredNetwork> scoredNetworks) { |
| 583 | if (mCurrentNetwork == null || scoredNetworks.isEmpty()) { |
| 584 | return Collections.emptyList(); |
| 585 | } |
| 586 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 587 | for (int i = 0; i < scoredNetworks.size(); i++) { |
| 588 | final ScoredNetwork scoredNetwork = scoredNetworks.get(i); |
| 589 | if (scoredNetwork.networkKey.equals(mCurrentNetwork)) { |
| 590 | return Collections.singletonList(scoredNetwork); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 591 | } |
| 592 | } |
| 593 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 594 | return Collections.emptyList(); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 595 | } |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * Filters the given set of {@link ScoredNetwork}s and returns a new List containing only the |
| 600 | * {@link ScoredNetwork} associated with the current set of {@link ScanResult}s. |
| 601 | * If there are no {@link ScanResult}s the returned list will be empty. |
| 602 | * <p> |
| 603 | * Note: this filter performs some internal caching for consistency and performance. The |
| 604 | * current set of ScanResults is determined at construction time and never changed. |
| 605 | * Also, the last filtered list is saved so if the same input is provided multiple |
| 606 | * times in a row the computation is only done once. |
| 607 | */ |
| 608 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 609 | static class ScanResultsScoreCacheFilter implements UnaryOperator<List<ScoredNetwork>> { |
| 610 | private final Set<NetworkKey> mScanResultKeys; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 611 | |
| 612 | ScanResultsScoreCacheFilter(Supplier<List<ScanResult>> resultsSupplier) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 613 | List<ScanResult> scanResults = resultsSupplier.get(); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 614 | final int size = scanResults.size(); |
| 615 | mScanResultKeys = new ArraySet<>(size); |
| 616 | for (int i = 0; i < size; i++) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 617 | ScanResult scanResult = scanResults.get(i); |
Stephen Chen | fde900d | 2017-02-14 16:40:21 -0800 | [diff] [blame] | 618 | NetworkKey key = NetworkKey.createFromScanResult(scanResult); |
| 619 | if (key != null) { |
| 620 | mScanResultKeys.add(key); |
| 621 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 622 | } |
| 623 | } |
| 624 | |
| 625 | @Override |
| 626 | public List<ScoredNetwork> apply(List<ScoredNetwork> scoredNetworks) { |
| 627 | if (mScanResultKeys.isEmpty() || scoredNetworks.isEmpty()) { |
| 628 | return Collections.emptyList(); |
| 629 | } |
| 630 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 631 | List<ScoredNetwork> filteredScores = new ArrayList<>(); |
| 632 | for (int i = 0; i < scoredNetworks.size(); i++) { |
| 633 | final ScoredNetwork scoredNetwork = scoredNetworks.get(i); |
| 634 | if (mScanResultKeys.contains(scoredNetwork.networkKey)) { |
| 635 | filteredScores.add(scoredNetwork); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 636 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 637 | } |
| 638 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 639 | return filteredScores; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 640 | } |
| 641 | } |
| 642 | |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 643 | private boolean canCallerRequestScores() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 644 | // REQUEST_NETWORK_SCORES is a signature only permission. |
| 645 | return mContext.checkCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES) == |
| 646 | PackageManager.PERMISSION_GRANTED; |
| 647 | } |
| 648 | |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 649 | private boolean canCallerScoreNetworks() { |
Jeremy Joslin | a9f933e | 2017-04-28 13:08:17 -0700 | [diff] [blame] | 650 | return mContext.checkCallingOrSelfPermission(permission.SCORE_NETWORKS) == |
| 651 | PackageManager.PERMISSION_GRANTED; |
| 652 | } |
| 653 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 654 | @Override |
| 655 | public boolean clearScores() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 656 | // Only the active scorer or the system should be allowed to flush all scores. |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 657 | if (isCallerActiveScorer(getCallingUid()) || canCallerRequestScores()) { |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 658 | final long token = Binder.clearCallingIdentity(); |
| 659 | try { |
| 660 | clearInternal(); |
| 661 | return true; |
| 662 | } finally { |
| 663 | Binder.restoreCallingIdentity(token); |
| 664 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 665 | } else { |
| 666 | throw new SecurityException( |
| 667 | "Caller is neither the active scorer nor the scorer manager."); |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | @Override |
| 672 | public boolean setActiveScorer(String packageName) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 673 | // Only the system can set the active scorer |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 674 | if (!isCallerSystemProcess(getCallingUid()) && !canCallerScoreNetworks()) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 675 | throw new SecurityException( |
Jeremy Joslin | a9f933e | 2017-04-28 13:08:17 -0700 | [diff] [blame] | 676 | "Caller is neither the system process or a network scorer."); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 677 | } |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 678 | |
| 679 | return mNetworkScorerAppManager.setActiveScorer(packageName); |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 680 | } |
| 681 | |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 682 | /** |
| 683 | * Determine whether the application with the given UID is the enabled scorer. |
| 684 | * |
| 685 | * @param callingUid the UID to check |
| 686 | * @return true if the provided UID is the active scorer, false otherwise. |
| 687 | */ |
| 688 | @Override |
| 689 | public boolean isCallerActiveScorer(int callingUid) { |
| 690 | synchronized (mServiceConnectionLock) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 691 | return mServiceConnection != null |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 692 | && mServiceConnection.getAppData().packageUid == callingUid; |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 693 | } |
| 694 | } |
| 695 | |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 696 | private boolean isCallerSystemProcess(int callingUid) { |
| 697 | return callingUid == Process.SYSTEM_UID; |
| 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 | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 708 | if (canCallerRequestScores() || canCallerScoreNetworks()) { |
| 709 | synchronized (mServiceConnectionLock) { |
| 710 | if (mServiceConnection != null) { |
| 711 | return mServiceConnection.getPackageName(); |
| 712 | } |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 713 | } |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 714 | } else { |
| 715 | throw new SecurityException( |
| 716 | "Caller is not a network scorer/requester."); |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 717 | } |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 718 | |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 719 | return null; |
| 720 | } |
| 721 | |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 722 | /** |
| 723 | * Returns metadata about the active scorer or <code>null</code> if there is no active scorer. |
| 724 | */ |
| 725 | @Override |
| 726 | public NetworkScorerAppData getActiveScorer() { |
| 727 | // Only the system can access this data. |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 728 | if (isCallerSystemProcess(getCallingUid()) || canCallerRequestScores()) { |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 729 | synchronized (mServiceConnectionLock) { |
| 730 | if (mServiceConnection != null) { |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 731 | return mServiceConnection.getAppData(); |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 732 | } |
| 733 | } |
| 734 | } else { |
| 735 | throw new SecurityException( |
| 736 | "Caller is neither the system process nor a score requester."); |
| 737 | } |
| 738 | |
| 739 | return null; |
| 740 | } |
| 741 | |
Jeremy Joslin | f95c865 | 2017-02-09 15:32:04 -0800 | [diff] [blame] | 742 | /** |
| 743 | * Returns the list of available scorer apps. The list will be empty if there are |
| 744 | * no valid scorers. |
| 745 | */ |
| 746 | @Override |
| 747 | public List<NetworkScorerAppData> getAllValidScorers() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 748 | // Only the system can access this data. |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 749 | if (!isCallerSystemProcess(getCallingUid()) && !canCallerRequestScores()) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 750 | throw new SecurityException( |
| 751 | "Caller is neither the system process nor a score requester."); |
| 752 | } |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 753 | |
| 754 | return mNetworkScorerAppManager.getAllValidScorers(); |
Jeremy Joslin | f95c865 | 2017-02-09 15:32:04 -0800 | [diff] [blame] | 755 | } |
| 756 | |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 757 | @Override |
| 758 | public void disableScoring() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 759 | // Only the active scorer or the system should be allowed to disable scoring. |
Jeremy Joslin | 2d55b18 | 2017-07-11 15:54:14 -0700 | [diff] [blame] | 760 | if (!isCallerActiveScorer(getCallingUid()) && !canCallerRequestScores()) { |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 761 | throw new SecurityException( |
| 762 | "Caller is neither the active scorer nor the scorer manager."); |
Jeff Davidson | b096bdc | 2014-07-01 12:29:11 -0700 | [diff] [blame] | 763 | } |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 764 | |
| 765 | // 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] | 766 | } |
| 767 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 768 | /** Clear scores. Callers are responsible for checking permissions as appropriate. */ |
| 769 | private void clearInternal() { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 770 | sendCacheUpdateCallback(new BiConsumer<INetworkScoreCache, Object>() { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 771 | @Override |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 772 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 773 | try { |
| 774 | networkScoreCache.clearScores(); |
| 775 | } catch (RemoteException e) { |
| 776 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 777 | Log.v(TAG, "Unable to clear scores", e); |
| 778 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 779 | } |
| 780 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 781 | }, getScoreCacheLists()); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | @Override |
Jeremy Joslin | c5ac587 | 2016-11-30 15:05:40 -0800 | [diff] [blame] | 785 | public void registerNetworkScoreCache(int networkType, |
| 786 | INetworkScoreCache scoreCache, |
| 787 | int filterType) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 788 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 789 | final long token = Binder.clearCallingIdentity(); |
| 790 | try { |
| 791 | synchronized (mScoreCaches) { |
| 792 | RemoteCallbackList<INetworkScoreCache> callbackList = mScoreCaches.get(networkType); |
| 793 | if (callbackList == null) { |
| 794 | callbackList = new RemoteCallbackList<>(); |
| 795 | mScoreCaches.put(networkType, callbackList); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 796 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 797 | if (!callbackList.register(scoreCache, filterType)) { |
| 798 | if (callbackList.getRegisteredCallbackCount() == 0) { |
| 799 | mScoreCaches.remove(networkType); |
| 800 | } |
| 801 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 802 | Log.v(TAG, "Unable to register NetworkScoreCache for type " + networkType); |
| 803 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 804 | } |
| 805 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 806 | } finally { |
| 807 | Binder.restoreCallingIdentity(token); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 808 | } |
| 809 | } |
| 810 | |
| 811 | @Override |
| 812 | public void unregisterNetworkScoreCache(int networkType, INetworkScoreCache scoreCache) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 813 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 814 | final long token = Binder.clearCallingIdentity(); |
| 815 | try { |
| 816 | synchronized (mScoreCaches) { |
| 817 | RemoteCallbackList<INetworkScoreCache> callbackList = mScoreCaches.get(networkType); |
| 818 | if (callbackList == null || !callbackList.unregister(scoreCache)) { |
| 819 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 820 | Log.v(TAG, "Unable to unregister NetworkScoreCache for type " |
| 821 | + networkType); |
| 822 | } |
| 823 | } else if (callbackList.getRegisteredCallbackCount() == 0) { |
| 824 | mScoreCaches.remove(networkType); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 825 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 826 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 827 | } finally { |
| 828 | Binder.restoreCallingIdentity(token); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 829 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 830 | } |
| 831 | |
| 832 | @Override |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 833 | public boolean requestScores(NetworkKey[] networks) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 834 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 835 | final long token = Binder.clearCallingIdentity(); |
| 836 | try { |
| 837 | final INetworkRecommendationProvider provider = getRecommendationProvider(); |
| 838 | if (provider != null) { |
| 839 | try { |
| 840 | provider.requestScores(networks); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 841 | // TODO: 12/15/16 - Consider pushing null scores into the cache to |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 842 | // prevent repeated requests for the same scores. |
| 843 | return true; |
| 844 | } catch (RemoteException e) { |
| 845 | Log.w(TAG, "Failed to request scores.", e); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 846 | // TODO: 12/15/16 - Keep track of failures. |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 847 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 848 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 849 | return false; |
| 850 | } finally { |
| 851 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 852 | } |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 853 | } |
| 854 | |
| 855 | @Override |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 856 | protected void dump(final FileDescriptor fd, final PrintWriter writer, final String[] args) { |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 857 | if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return; |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 858 | final long token = Binder.clearCallingIdentity(); |
| 859 | try { |
| 860 | NetworkScorerAppData currentScorer = mNetworkScorerAppManager.getActiveScorer(); |
| 861 | if (currentScorer == null) { |
| 862 | writer.println("Scoring is disabled."); |
| 863 | return; |
| 864 | } |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 865 | writer.println("Current scorer: " + currentScorer); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 866 | |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 867 | sendCacheUpdateCallback(new BiConsumer<INetworkScoreCache, Object>() { |
| 868 | @Override |
| 869 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
| 870 | try { |
| 871 | TransferPipe.dumpAsync(networkScoreCache.asBinder(), fd, args); |
| 872 | } catch (IOException | RemoteException e) { |
| 873 | writer.println("Failed to dump score cache: " + e); |
| 874 | } |
| 875 | } |
| 876 | }, getScoreCacheLists()); |
| 877 | |
| 878 | synchronized (mServiceConnectionLock) { |
| 879 | if (mServiceConnection != null) { |
| 880 | mServiceConnection.dump(fd, writer, args); |
| 881 | } else { |
| 882 | writer.println("ScoringServiceConnection: null"); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 883 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 884 | } |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 885 | writer.flush(); |
| 886 | } finally { |
| 887 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 888 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 889 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 890 | |
| 891 | /** |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 892 | * 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] | 893 | * |
| 894 | * <p>May be used to perform an action on all score caches without potentially strange behavior |
| 895 | * if a new scorer is registered during that action's execution. |
| 896 | */ |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 897 | private Collection<RemoteCallbackList<INetworkScoreCache>> getScoreCacheLists() { |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 898 | synchronized (mScoreCaches) { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 899 | return new ArrayList<>(mScoreCaches.values()); |
| 900 | } |
| 901 | } |
| 902 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 903 | private void sendCacheUpdateCallback(BiConsumer<INetworkScoreCache, Object> consumer, |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 904 | Collection<RemoteCallbackList<INetworkScoreCache>> remoteCallbackLists) { |
| 905 | for (RemoteCallbackList<INetworkScoreCache> callbackList : remoteCallbackLists) { |
| 906 | synchronized (callbackList) { // Ensure only one active broadcast per RemoteCallbackList |
| 907 | final int count = callbackList.beginBroadcast(); |
| 908 | try { |
| 909 | for (int i = 0; i < count; i++) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 910 | consumer.accept(callbackList.getBroadcastItem(i), |
Jeremy Joslin | 7890e19 | 2017-02-06 11:14:34 -0800 | [diff] [blame] | 911 | callbackList.getBroadcastCookie(i)); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 912 | } |
| 913 | } finally { |
| 914 | callbackList.finishBroadcast(); |
| 915 | } |
| 916 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 917 | } |
| 918 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 919 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 920 | @Nullable |
| 921 | private INetworkRecommendationProvider getRecommendationProvider() { |
| 922 | synchronized (mServiceConnectionLock) { |
| 923 | if (mServiceConnection != null) { |
| 924 | return mServiceConnection.getRecommendationProvider(); |
| 925 | } |
| 926 | } |
| 927 | return null; |
| 928 | } |
| 929 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 930 | // The class and methods need to be public for Mockito to work. |
| 931 | @VisibleForTesting |
| 932 | public static class ScoringServiceConnection implements ServiceConnection { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 933 | private final NetworkScorerAppData mAppData; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 934 | private volatile boolean mBound = false; |
| 935 | private volatile boolean mConnected = false; |
| 936 | private volatile INetworkRecommendationProvider mRecommendationProvider; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 937 | |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 938 | ScoringServiceConnection(NetworkScorerAppData appData) { |
| 939 | mAppData = appData; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 940 | } |
| 941 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 942 | @VisibleForTesting |
| 943 | public void bind(Context context) { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 944 | if (!mBound) { |
Joe LaPenna | 25e7ec2 | 2016-12-27 14:50:14 -0800 | [diff] [blame] | 945 | Intent service = new Intent(NetworkScoreManager.ACTION_RECOMMEND_NETWORKS); |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 946 | service.setComponent(mAppData.getRecommendationServiceComponent()); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 947 | mBound = context.bindServiceAsUser(service, this, |
| 948 | Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE, |
| 949 | UserHandle.SYSTEM); |
| 950 | if (!mBound) { |
| 951 | Log.w(TAG, "Bind call failed for " + service); |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 952 | context.unbindService(this); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 953 | } else { |
| 954 | if (DBG) Log.d(TAG, "ScoringServiceConnection bound."); |
| 955 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 956 | } |
| 957 | } |
| 958 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 959 | @VisibleForTesting |
| 960 | public void unbind(Context context) { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 961 | try { |
| 962 | if (mBound) { |
| 963 | mBound = false; |
| 964 | context.unbindService(this); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 965 | if (DBG) Log.d(TAG, "ScoringServiceConnection unbound."); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 966 | } |
| 967 | } catch (RuntimeException e) { |
| 968 | Log.e(TAG, "Unbind failed.", e); |
| 969 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 970 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 971 | mConnected = false; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 972 | mRecommendationProvider = null; |
| 973 | } |
| 974 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 975 | @VisibleForTesting |
| 976 | public NetworkScorerAppData getAppData() { |
| 977 | return mAppData; |
| 978 | } |
| 979 | |
| 980 | @VisibleForTesting |
| 981 | public INetworkRecommendationProvider getRecommendationProvider() { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 982 | return mRecommendationProvider; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 983 | } |
| 984 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 985 | @VisibleForTesting |
| 986 | public String getPackageName() { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 987 | return mAppData.getRecommendationServiceComponent().getPackageName(); |
| 988 | } |
| 989 | |
Jeremy Joslin | 1e2595d | 2017-04-05 14:50:32 -0700 | [diff] [blame] | 990 | @VisibleForTesting |
| 991 | public boolean isAlive() { |
| 992 | return mBound && mConnected; |
| 993 | } |
| 994 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 995 | @Override |
| 996 | public void onServiceConnected(ComponentName name, IBinder service) { |
| 997 | if (DBG) Log.d(TAG, "ScoringServiceConnection: " + name.flattenToString()); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 998 | mConnected = true; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 999 | mRecommendationProvider = INetworkRecommendationProvider.Stub.asInterface(service); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | @Override |
| 1003 | public void onServiceDisconnected(ComponentName name) { |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1004 | if (DBG) { |
| 1005 | Log.d(TAG, "ScoringServiceConnection, disconnected: " + name.flattenToString()); |
| 1006 | } |
| 1007 | mConnected = false; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1008 | mRecommendationProvider = null; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1009 | } |
| 1010 | |
| 1011 | public void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1012 | writer.println("ScoringServiceConnection: " |
| 1013 | + mAppData.getRecommendationServiceComponent() |
| 1014 | + ", bound: " + mBound |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1015 | + ", connected: " + mConnected); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1016 | } |
| 1017 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1018 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1019 | @VisibleForTesting |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1020 | public final class ServiceHandler extends Handler { |
Jeremy Joslin | b1a0139 | 2017-04-14 13:35:48 -0700 | [diff] [blame] | 1021 | public static final int MSG_RECOMMENDATIONS_PACKAGE_CHANGED = 1; |
| 1022 | public static final int MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED = 2; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1023 | |
| 1024 | public ServiceHandler(Looper looper) { |
| 1025 | super(looper); |
| 1026 | } |
| 1027 | |
| 1028 | @Override |
| 1029 | public void handleMessage(Message msg) { |
| 1030 | final int what = msg.what; |
| 1031 | switch (what) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1032 | case MSG_RECOMMENDATIONS_PACKAGE_CHANGED: |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 1033 | case MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED: |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1034 | refreshBinding(); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1035 | break; |
| 1036 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1037 | default: |
| 1038 | Log.w(TAG,"Unknown message: " + what); |
| 1039 | } |
| 1040 | } |
| 1041 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 1042 | } |