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 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 19 | import static android.net.NetworkRecommendationProvider.EXTRA_RECOMMENDATION_RESULT; |
| 20 | import static android.net.NetworkRecommendationProvider.EXTRA_SEQUENCE; |
| 21 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 22 | import android.Manifest.permission; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 23 | import android.annotation.Nullable; |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 24 | import android.content.BroadcastReceiver; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 25 | import android.content.ComponentName; |
Jeff Davidson | 56f9f73 | 2014-08-14 16:47:23 -0700 | [diff] [blame] | 26 | import android.content.ContentResolver; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 27 | import android.content.Context; |
Jeff Davidson | b096bdc | 2014-07-01 12:29:11 -0700 | [diff] [blame] | 28 | import android.content.Intent; |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 29 | import android.content.IntentFilter; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 30 | import android.content.ServiceConnection; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 31 | import android.content.pm.PackageManager; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 32 | import android.database.ContentObserver; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 33 | import android.net.INetworkRecommendationProvider; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 34 | import android.net.INetworkScoreCache; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 35 | import android.net.INetworkScoreService; |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 36 | import android.net.NetworkKey; |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 37 | import android.net.NetworkScoreManager; |
Jeremy Joslin | f621bc9 | 2017-02-16 11:11:57 -0800 | [diff] [blame] | 38 | import android.net.NetworkScorerAppData; |
Jeremy Joslin | d1daf6d | 2016-11-28 17:47:35 -0800 | [diff] [blame] | 39 | import android.net.RecommendationRequest; |
| 40 | import android.net.RecommendationResult; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 41 | import android.net.ScoredNetwork; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 42 | import android.net.Uri; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 43 | import android.net.wifi.ScanResult; |
| 44 | import android.net.wifi.WifiInfo; |
| 45 | import android.net.wifi.WifiManager; |
| 46 | import android.net.wifi.WifiScanner; |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 47 | import android.os.Binder; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 48 | import android.os.Build; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 49 | import android.os.Bundle; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 50 | import android.os.Handler; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 51 | import android.os.IBinder; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 52 | import android.os.IRemoteCallback; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 53 | import android.os.Looper; |
| 54 | import android.os.Message; |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 55 | import android.os.Process; |
Jeremy Joslin | 998d7ca | 2016-12-28 15:56:46 -0800 | [diff] [blame] | 56 | import android.os.RemoteCallback; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 57 | import android.os.RemoteCallbackList; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 58 | import android.os.RemoteException; |
Jeff Davidson | ac7285d | 2014-08-08 15:12:47 -0700 | [diff] [blame] | 59 | import android.os.UserHandle; |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 60 | import android.provider.Settings; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 61 | import android.provider.Settings.Global; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 62 | import android.util.ArrayMap; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 63 | import android.util.ArraySet; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 64 | import android.util.Log; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 65 | import android.util.Pair; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 66 | import android.util.TimedRemoteCaller; |
| 67 | |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 68 | import com.android.internal.annotations.GuardedBy; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 69 | import com.android.internal.annotations.VisibleForTesting; |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 70 | import com.android.internal.content.PackageMonitor; |
Jeff Sharkey | ba6f8c8 | 2016-11-09 12:25:44 -0700 | [diff] [blame] | 71 | import com.android.internal.os.TransferPipe; |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 72 | import com.android.internal.util.DumpUtils; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 73 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 74 | import java.io.FileDescriptor; |
Jeff Sharkey | ba6f8c8 | 2016-11-09 12:25:44 -0700 | [diff] [blame] | 75 | import java.io.IOException; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 76 | import java.io.PrintWriter; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 77 | import java.util.ArrayList; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 78 | import java.util.Collection; |
| 79 | import java.util.Collections; |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 80 | import java.util.List; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 81 | import java.util.Map; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 82 | import java.util.Set; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 83 | import java.util.concurrent.TimeoutException; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 84 | import java.util.concurrent.atomic.AtomicBoolean; |
Jeremy Joslin | 3452b69 | 2017-01-17 15:48:13 -0800 | [diff] [blame] | 85 | import java.util.concurrent.atomic.AtomicReference; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 86 | import java.util.function.BiConsumer; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 87 | import java.util.function.Supplier; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 88 | import java.util.function.UnaryOperator; |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 89 | |
| 90 | /** |
| 91 | * Backing service for {@link android.net.NetworkScoreManager}. |
| 92 | * @hide |
| 93 | */ |
| 94 | public class NetworkScoreService extends INetworkScoreService.Stub { |
| 95 | private static final String TAG = "NetworkScoreService"; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 96 | 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] | 97 | 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] | 98 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 99 | private final Context mContext; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 100 | private final NetworkScorerAppManager mNetworkScorerAppManager; |
Jeremy Joslin | 3452b69 | 2017-01-17 15:48:13 -0800 | [diff] [blame] | 101 | private final AtomicReference<RequestRecommendationCaller> mReqRecommendationCallerRef; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 102 | @GuardedBy("mScoreCaches") |
| 103 | private final Map<Integer, RemoteCallbackList<INetworkScoreCache>> mScoreCaches; |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 104 | /** Lock used to update mPackageMonitor when scorer package changes occur. */ |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 105 | private final Object mPackageMonitorLock = new Object(); |
| 106 | private final Object mServiceConnectionLock = new Object(); |
| 107 | private final Handler mHandler; |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 108 | private final DispatchingContentObserver mContentObserver; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 109 | |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 110 | @GuardedBy("mPackageMonitorLock") |
| 111 | private NetworkScorerPackageMonitor mPackageMonitor; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 112 | @GuardedBy("mServiceConnectionLock") |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 113 | private ScoringServiceConnection mServiceConnection; |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 114 | private volatile long mRecommendationRequestTimeoutMs; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 115 | |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 116 | private BroadcastReceiver mUserIntentReceiver = new BroadcastReceiver() { |
| 117 | @Override |
| 118 | public void onReceive(Context context, Intent intent) { |
| 119 | final String action = intent.getAction(); |
| 120 | final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); |
| 121 | if (DBG) Log.d(TAG, "Received " + action + " for userId " + userId); |
| 122 | if (userId == UserHandle.USER_NULL) return; |
| 123 | |
| 124 | if (Intent.ACTION_USER_UNLOCKED.equals(action)) { |
| 125 | onUserUnlocked(userId); |
| 126 | } |
| 127 | } |
| 128 | }; |
| 129 | |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 130 | /** |
| 131 | * Clears scores when the active scorer package is no longer valid and |
| 132 | * manages the service connection. |
| 133 | */ |
| 134 | private class NetworkScorerPackageMonitor extends PackageMonitor { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 135 | final String mPackageToWatch; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 136 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 137 | private NetworkScorerPackageMonitor(String packageToWatch) { |
| 138 | mPackageToWatch = packageToWatch; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | @Override |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 142 | public void onPackageAdded(String packageName, int uid) { |
| 143 | evaluateBinding(packageName, true /* forceUnbind */); |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public void onPackageRemoved(String packageName, int uid) { |
| 148 | evaluateBinding(packageName, true /* forceUnbind */); |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | public void onPackageModified(String packageName) { |
| 153 | evaluateBinding(packageName, false /* forceUnbind */); |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { |
| 158 | if (doit) { // "doit" means the force stop happened instead of just being queried for. |
| 159 | for (String packageName : packages) { |
| 160 | evaluateBinding(packageName, true /* forceUnbind */); |
| 161 | } |
| 162 | } |
| 163 | return super.onHandleForceStop(intent, packages, uid, doit); |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public void onPackageUpdateFinished(String packageName, int uid) { |
| 168 | evaluateBinding(packageName, true /* forceUnbind */); |
| 169 | } |
| 170 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 171 | private void evaluateBinding(String changedPackageName, boolean forceUnbind) { |
| 172 | if (!mPackageToWatch.equals(changedPackageName)) { |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 173 | // Early exit when we don't care about the package that has changed. |
| 174 | return; |
| 175 | } |
| 176 | |
| 177 | if (DBG) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 178 | Log.d(TAG, "Evaluating binding for: " + changedPackageName |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 179 | + ", forceUnbind=" + forceUnbind); |
| 180 | } |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 181 | |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 182 | final NetworkScorerAppData activeScorer = mNetworkScorerAppManager.getActiveScorer(); |
| 183 | if (activeScorer == null) { |
| 184 | // Package change has invalidated a scorer, this will also unbind any service |
| 185 | // connection. |
| 186 | if (DBG) Log.d(TAG, "No active scorers available."); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 187 | refreshBinding(); |
| 188 | } else { // The scoring service changed in some way. |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 189 | if (forceUnbind) { |
| 190 | unbindFromScoringServiceIfNeeded(); |
| 191 | } |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 192 | if (DBG) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 193 | Log.d(TAG, "Binding to " + activeScorer.getRecommendationServiceComponent() |
| 194 | + " if needed."); |
Jeremy Joslin | 86c2a5e | 2016-12-21 13:35:02 -0800 | [diff] [blame] | 195 | } |
| 196 | bindToScoringServiceIfNeeded(activeScorer); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 197 | } |
| 198 | } |
| 199 | } |
| 200 | |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 201 | /** |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 202 | * Dispatches observed content changes to a handler for further processing. |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 203 | */ |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 204 | @VisibleForTesting |
| 205 | public static class DispatchingContentObserver extends ContentObserver { |
| 206 | final private Map<Uri, Integer> mUriEventMap; |
| 207 | final private Context mContext; |
| 208 | final private Handler mHandler; |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 209 | |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 210 | public DispatchingContentObserver(Context context, Handler handler) { |
| 211 | super(handler); |
| 212 | mContext = context; |
| 213 | mHandler = handler; |
| 214 | mUriEventMap = new ArrayMap<>(); |
| 215 | } |
| 216 | |
| 217 | void observe(Uri uri, int what) { |
| 218 | mUriEventMap.put(uri, what); |
| 219 | final ContentResolver resolver = mContext.getContentResolver(); |
| 220 | resolver.registerContentObserver(uri, false /*notifyForDescendants*/, this); |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | @Override |
| 224 | public void onChange(boolean selfChange) { |
| 225 | onChange(selfChange, null); |
| 226 | } |
| 227 | |
| 228 | @Override |
| 229 | public void onChange(boolean selfChange, Uri uri) { |
| 230 | if (DBG) Log.d(TAG, String.format("onChange(%s, %s)", selfChange, uri)); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 231 | final Integer what = mUriEventMap.get(uri); |
| 232 | if (what != null) { |
| 233 | mHandler.obtainMessage(what).sendToTarget(); |
| 234 | } else { |
| 235 | Log.w(TAG, "No matching event to send for URI = " + uri); |
| 236 | } |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 237 | } |
| 238 | } |
| 239 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 240 | public NetworkScoreService(Context context) { |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 241 | this(context, new NetworkScorerAppManager(context), Looper.myLooper()); |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 242 | } |
| 243 | |
| 244 | @VisibleForTesting |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 245 | NetworkScoreService(Context context, NetworkScorerAppManager networkScoreAppManager, |
| 246 | Looper looper) { |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 247 | mContext = context; |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 248 | mNetworkScorerAppManager = networkScoreAppManager; |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 249 | mScoreCaches = new ArrayMap<>(); |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 250 | IntentFilter filter = new IntentFilter(Intent.ACTION_USER_UNLOCKED); |
| 251 | // TODO: Need to update when we support per-user scorers. http://b/23422763 |
| 252 | mContext.registerReceiverAsUser( |
| 253 | mUserIntentReceiver, UserHandle.SYSTEM, filter, null /* broadcastPermission*/, |
| 254 | null /* scheduler */); |
Jeremy Joslin | 3452b69 | 2017-01-17 15:48:13 -0800 | [diff] [blame] | 255 | mReqRecommendationCallerRef = new AtomicReference<>( |
| 256 | new RequestRecommendationCaller(TimedRemoteCaller.DEFAULT_CALL_TIMEOUT_MILLIS)); |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 257 | mRecommendationRequestTimeoutMs = TimedRemoteCaller.DEFAULT_CALL_TIMEOUT_MILLIS; |
| 258 | mHandler = new ServiceHandler(looper); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 259 | mContentObserver = new DispatchingContentObserver(context, mHandler); |
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 | |
| 293 | final Uri timeoutUri = Global.getUriFor(Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS); |
| 294 | mContentObserver.observe(timeoutUri, |
| 295 | ServiceHandler.MSG_RECOMMENDATION_REQUEST_TIMEOUT_CHANGED); |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 296 | |
| 297 | final Uri settingUri = Global.getUriFor(Global.NETWORK_RECOMMENDATIONS_ENABLED); |
| 298 | mContentObserver.observe(settingUri, |
| 299 | ServiceHandler.MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED); |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 300 | } |
| 301 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 302 | /** |
| 303 | * Ensures the package manager is registered to monitor the current active scorer. |
| 304 | * If a discrepancy is found any previous monitor will be cleaned up |
| 305 | * and a new monitor will be created. |
| 306 | * |
| 307 | * This method is idempotent. |
| 308 | */ |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 309 | private void registerPackageMonitorIfNeeded() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 310 | if (DBG) Log.d(TAG, "registerPackageMonitorIfNeeded()"); |
| 311 | final NetworkScorerAppData appData = mNetworkScorerAppManager.getActiveScorer(); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 312 | synchronized (mPackageMonitorLock) { |
| 313 | // Unregister the current monitor if needed. |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 314 | if (mPackageMonitor != null && (appData == null |
| 315 | || !appData.getRecommendationServicePackageName().equals( |
| 316 | mPackageMonitor.mPackageToWatch))) { |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 317 | if (DBG) { |
| 318 | Log.d(TAG, "Unregistering package monitor for " |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 319 | + mPackageMonitor.mPackageToWatch); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 320 | } |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 321 | mPackageMonitor.unregister(); |
| 322 | mPackageMonitor = null; |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 323 | } |
| 324 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 325 | // Create and register the monitor if a scorer is active. |
| 326 | if (appData != null && mPackageMonitor == null) { |
| 327 | mPackageMonitor = new NetworkScorerPackageMonitor( |
| 328 | appData.getRecommendationServicePackageName()); |
Xiaohui Chen | e4de5a0 | 2015-09-22 15:33:31 -0700 | [diff] [blame] | 329 | // 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] | 330 | mPackageMonitor.register(mContext, null /* thread */, UserHandle.SYSTEM, |
| 331 | false /* externalStorage */); |
| 332 | if (DBG) { |
| 333 | Log.d(TAG, "Registered package monitor for " |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 334 | + mPackageMonitor.mPackageToWatch); |
Jeff Davidson | 7842f64 | 2014-11-23 13:48:12 -0800 | [diff] [blame] | 335 | } |
| 336 | } |
| 337 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 338 | } |
| 339 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 340 | private void bindToScoringServiceIfNeeded() { |
| 341 | if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded"); |
Amin Shaikh | aa09aa0 | 2016-11-21 17:27:53 -0800 | [diff] [blame] | 342 | NetworkScorerAppData scorerData = mNetworkScorerAppManager.getActiveScorer(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 343 | bindToScoringServiceIfNeeded(scorerData); |
| 344 | } |
| 345 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 346 | /** |
| 347 | * Ensures the service connection is bound to the current active scorer. |
| 348 | * If a discrepancy is found any previous connection will be cleaned up |
| 349 | * and a new connection will be created. |
| 350 | * |
| 351 | * This method is idempotent. |
| 352 | */ |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 353 | private void bindToScoringServiceIfNeeded(NetworkScorerAppData appData) { |
| 354 | if (DBG) Log.d(TAG, "bindToScoringServiceIfNeeded(" + appData + ")"); |
| 355 | if (appData != null) { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 356 | synchronized (mServiceConnectionLock) { |
| 357 | // If we're connected to a different component then drop it. |
| 358 | if (mServiceConnection != null |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 359 | && !mServiceConnection.mAppData.equals(appData)) { |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 360 | unbindFromScoringServiceIfNeeded(); |
| 361 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 362 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 363 | // If we're not connected at all then create a new connection. |
| 364 | if (mServiceConnection == null) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 365 | mServiceConnection = new ScoringServiceConnection(appData); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 366 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 367 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 368 | // Make sure the connection is connected (idempotent) |
| 369 | mServiceConnection.connect(mContext); |
| 370 | } |
Jeremy Joslin | 967b581 | 2016-06-02 07:58:14 -0700 | [diff] [blame] | 371 | } else { // otherwise make sure it isn't bound. |
| 372 | unbindFromScoringServiceIfNeeded(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 373 | } |
| 374 | } |
| 375 | |
| 376 | private void unbindFromScoringServiceIfNeeded() { |
| 377 | if (DBG) Log.d(TAG, "unbindFromScoringServiceIfNeeded"); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 378 | synchronized (mServiceConnectionLock) { |
| 379 | if (mServiceConnection != null) { |
| 380 | mServiceConnection.disconnect(mContext); |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 381 | if (DBG) Log.d(TAG, "Disconnected from: " |
| 382 | + mServiceConnection.mAppData.getRecommendationServiceComponent()); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 383 | } |
| 384 | mServiceConnection = null; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 385 | } |
Jeremy Joslin | fa4f08e | 2016-12-06 07:42:38 -0800 | [diff] [blame] | 386 | clearInternal(); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 387 | } |
| 388 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 389 | @Override |
| 390 | public boolean updateScores(ScoredNetwork[] networks) { |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 391 | if (!isCallerActiveScorer(getCallingUid())) { |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 392 | throw new SecurityException("Caller with UID " + getCallingUid() + |
| 393 | " is not the active scorer."); |
| 394 | } |
| 395 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 396 | final long token = Binder.clearCallingIdentity(); |
| 397 | try { |
| 398 | // Separate networks by type. |
| 399 | Map<Integer, List<ScoredNetwork>> networksByType = new ArrayMap<>(); |
| 400 | for (ScoredNetwork network : networks) { |
| 401 | List<ScoredNetwork> networkList = networksByType.get(network.networkKey.type); |
| 402 | if (networkList == null) { |
| 403 | networkList = new ArrayList<>(); |
| 404 | networksByType.put(network.networkKey.type, networkList); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 405 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 406 | networkList.add(network); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 407 | } |
| 408 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 409 | // Pass the scores of each type down to the appropriate network scorer. |
| 410 | for (final Map.Entry<Integer, List<ScoredNetwork>> entry : networksByType.entrySet()) { |
| 411 | final RemoteCallbackList<INetworkScoreCache> callbackList; |
| 412 | final boolean isEmpty; |
| 413 | synchronized (mScoreCaches) { |
| 414 | callbackList = mScoreCaches.get(entry.getKey()); |
| 415 | isEmpty = callbackList == null |
| 416 | || callbackList.getRegisteredCallbackCount() == 0; |
| 417 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 418 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 419 | if (isEmpty) { |
| 420 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 421 | Log.v(TAG, "No scorer registered for type " + entry.getKey() |
| 422 | + ", discarding"); |
| 423 | } |
| 424 | continue; |
| 425 | } |
| 426 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 427 | final BiConsumer<INetworkScoreCache, Object> consumer = |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 428 | FilteringCacheUpdatingConsumer.create(mContext, entry.getValue(), |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 429 | entry.getKey()); |
| 430 | sendCacheUpdateCallback(consumer, Collections.singleton(callbackList)); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 431 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 432 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 433 | return true; |
| 434 | } finally { |
| 435 | Binder.restoreCallingIdentity(token); |
| 436 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 437 | } |
| 438 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 439 | /** |
| 440 | * A {@link BiConsumer} implementation that filters the given {@link ScoredNetwork} |
| 441 | * list (if needed) before invoking {@link INetworkScoreCache#updateScores(List)} on the |
| 442 | * accepted {@link INetworkScoreCache} implementation. |
| 443 | */ |
| 444 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 445 | static class FilteringCacheUpdatingConsumer |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 446 | implements BiConsumer<INetworkScoreCache, Object> { |
| 447 | private final Context mContext; |
| 448 | private final List<ScoredNetwork> mScoredNetworkList; |
| 449 | private final int mNetworkType; |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 450 | // TODO: 1/23/17 - Consider a Map if we implement more filters. |
| 451 | // These are created on-demand to defer the construction cost until |
| 452 | // an instance is actually needed. |
| 453 | private UnaryOperator<List<ScoredNetwork>> mCurrentNetworkFilter; |
| 454 | private UnaryOperator<List<ScoredNetwork>> mScanResultsFilter; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 455 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 456 | static FilteringCacheUpdatingConsumer create(Context context, |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 457 | List<ScoredNetwork> scoredNetworkList, int networkType) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 458 | return new FilteringCacheUpdatingConsumer(context, scoredNetworkList, networkType, |
| 459 | null, null); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 463 | FilteringCacheUpdatingConsumer(Context context, |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 464 | List<ScoredNetwork> scoredNetworkList, int networkType, |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 465 | UnaryOperator<List<ScoredNetwork>> currentNetworkFilter, |
| 466 | UnaryOperator<List<ScoredNetwork>> scanResultsFilter) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 467 | mContext = context; |
| 468 | mScoredNetworkList = scoredNetworkList; |
| 469 | mNetworkType = networkType; |
| 470 | mCurrentNetworkFilter = currentNetworkFilter; |
| 471 | mScanResultsFilter = scanResultsFilter; |
| 472 | } |
| 473 | |
| 474 | @Override |
| 475 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
| 476 | int filterType = NetworkScoreManager.CACHE_FILTER_NONE; |
| 477 | if (cookie instanceof Integer) { |
| 478 | filterType = (Integer) cookie; |
| 479 | } |
| 480 | |
| 481 | try { |
| 482 | final List<ScoredNetwork> filteredNetworkList = |
| 483 | filterScores(mScoredNetworkList, filterType); |
| 484 | if (!filteredNetworkList.isEmpty()) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 485 | networkScoreCache.updateScores(filteredNetworkList); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 486 | } |
| 487 | } catch (RemoteException e) { |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 488 | if (VERBOSE) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 489 | Log.v(TAG, "Unable to update scores of type " + mNetworkType, e); |
| 490 | } |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | /** |
| 495 | * Applies the appropriate filter and returns the filtered results. |
| 496 | */ |
| 497 | private List<ScoredNetwork> filterScores(List<ScoredNetwork> scoredNetworkList, |
| 498 | int filterType) { |
| 499 | switch (filterType) { |
| 500 | case NetworkScoreManager.CACHE_FILTER_NONE: |
| 501 | return scoredNetworkList; |
| 502 | |
| 503 | case NetworkScoreManager.CACHE_FILTER_CURRENT_NETWORK: |
| 504 | if (mCurrentNetworkFilter == null) { |
| 505 | mCurrentNetworkFilter = |
| 506 | new CurrentNetworkScoreCacheFilter(new WifiInfoSupplier(mContext)); |
| 507 | } |
| 508 | return mCurrentNetworkFilter.apply(scoredNetworkList); |
| 509 | |
| 510 | case NetworkScoreManager.CACHE_FILTER_SCAN_RESULTS: |
| 511 | if (mScanResultsFilter == null) { |
| 512 | mScanResultsFilter = new ScanResultsScoreCacheFilter( |
| 513 | new ScanResultsSupplier(mContext)); |
| 514 | } |
| 515 | return mScanResultsFilter.apply(scoredNetworkList); |
| 516 | |
| 517 | default: |
| 518 | Log.w(TAG, "Unknown filter type: " + filterType); |
| 519 | return scoredNetworkList; |
| 520 | } |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * Helper class that improves the testability of the cache filter Functions. |
| 526 | */ |
| 527 | private static class WifiInfoSupplier implements Supplier<WifiInfo> { |
| 528 | private final Context mContext; |
| 529 | |
| 530 | WifiInfoSupplier(Context context) { |
| 531 | mContext = context; |
| 532 | } |
| 533 | |
| 534 | @Override |
| 535 | public WifiInfo get() { |
| 536 | WifiManager wifiManager = mContext.getSystemService(WifiManager.class); |
| 537 | if (wifiManager != null) { |
| 538 | return wifiManager.getConnectionInfo(); |
| 539 | } |
| 540 | Log.w(TAG, "WifiManager is null, failed to return the WifiInfo."); |
| 541 | return null; |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Helper class that improves the testability of the cache filter Functions. |
| 547 | */ |
| 548 | private static class ScanResultsSupplier implements Supplier<List<ScanResult>> { |
| 549 | private final Context mContext; |
| 550 | |
| 551 | ScanResultsSupplier(Context context) { |
| 552 | mContext = context; |
| 553 | } |
| 554 | |
| 555 | @Override |
| 556 | public List<ScanResult> get() { |
| 557 | WifiScanner wifiScanner = mContext.getSystemService(WifiScanner.class); |
| 558 | if (wifiScanner != null) { |
| 559 | return wifiScanner.getSingleScanResults(); |
| 560 | } |
| 561 | Log.w(TAG, "WifiScanner is null, failed to return scan results."); |
| 562 | return Collections.emptyList(); |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | /** |
| 567 | * Filters the given set of {@link ScoredNetwork}s and returns a new List containing only the |
| 568 | * {@link ScoredNetwork} associated with the current network. If no network is connected the |
| 569 | * returned list will be empty. |
| 570 | * <p> |
| 571 | * Note: this filter performs some internal caching for consistency and performance. The |
| 572 | * current network is determined at construction time and never changed. Also, the |
| 573 | * last filtered list is saved so if the same input is provided multiple times in a row |
| 574 | * the computation is only done once. |
| 575 | */ |
| 576 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 577 | static class CurrentNetworkScoreCacheFilter implements UnaryOperator<List<ScoredNetwork>> { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 578 | private final NetworkKey mCurrentNetwork; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 579 | |
| 580 | CurrentNetworkScoreCacheFilter(Supplier<WifiInfo> wifiInfoSupplier) { |
| 581 | mCurrentNetwork = NetworkKey.createFromWifiInfo(wifiInfoSupplier.get()); |
| 582 | } |
| 583 | |
| 584 | @Override |
| 585 | public List<ScoredNetwork> apply(List<ScoredNetwork> scoredNetworks) { |
| 586 | if (mCurrentNetwork == null || scoredNetworks.isEmpty()) { |
| 587 | return Collections.emptyList(); |
| 588 | } |
| 589 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 590 | for (int i = 0; i < scoredNetworks.size(); i++) { |
| 591 | final ScoredNetwork scoredNetwork = scoredNetworks.get(i); |
| 592 | if (scoredNetwork.networkKey.equals(mCurrentNetwork)) { |
| 593 | return Collections.singletonList(scoredNetwork); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 594 | } |
| 595 | } |
| 596 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 597 | return Collections.emptyList(); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | |
| 601 | /** |
| 602 | * Filters the given set of {@link ScoredNetwork}s and returns a new List containing only the |
| 603 | * {@link ScoredNetwork} associated with the current set of {@link ScanResult}s. |
| 604 | * If there are no {@link ScanResult}s the returned list will be empty. |
| 605 | * <p> |
| 606 | * Note: this filter performs some internal caching for consistency and performance. The |
| 607 | * current set of ScanResults is determined at construction time and never changed. |
| 608 | * Also, the last filtered list is saved so if the same input is provided multiple |
| 609 | * times in a row the computation is only done once. |
| 610 | */ |
| 611 | @VisibleForTesting |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 612 | static class ScanResultsScoreCacheFilter implements UnaryOperator<List<ScoredNetwork>> { |
| 613 | private final Set<NetworkKey> mScanResultKeys; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 614 | |
| 615 | ScanResultsScoreCacheFilter(Supplier<List<ScanResult>> resultsSupplier) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 616 | List<ScanResult> scanResults = resultsSupplier.get(); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 617 | final int size = scanResults.size(); |
| 618 | mScanResultKeys = new ArraySet<>(size); |
| 619 | for (int i = 0; i < size; i++) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 620 | ScanResult scanResult = scanResults.get(i); |
Stephen Chen | fde900d | 2017-02-14 16:40:21 -0800 | [diff] [blame] | 621 | NetworkKey key = NetworkKey.createFromScanResult(scanResult); |
| 622 | if (key != null) { |
| 623 | mScanResultKeys.add(key); |
| 624 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 625 | } |
| 626 | } |
| 627 | |
| 628 | @Override |
| 629 | public List<ScoredNetwork> apply(List<ScoredNetwork> scoredNetworks) { |
| 630 | if (mScanResultKeys.isEmpty() || scoredNetworks.isEmpty()) { |
| 631 | return Collections.emptyList(); |
| 632 | } |
| 633 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 634 | List<ScoredNetwork> filteredScores = new ArrayList<>(); |
| 635 | for (int i = 0; i < scoredNetworks.size(); i++) { |
| 636 | final ScoredNetwork scoredNetwork = scoredNetworks.get(i); |
| 637 | if (mScanResultKeys.contains(scoredNetwork.networkKey)) { |
| 638 | filteredScores.add(scoredNetwork); |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 639 | } |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 640 | } |
| 641 | |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 642 | return filteredScores; |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 643 | } |
| 644 | } |
| 645 | |
Jeremy Joslin | 35f34ea | 2017-02-03 09:13:51 -0800 | [diff] [blame] | 646 | private boolean callerCanRequestScores() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 647 | // REQUEST_NETWORK_SCORES is a signature only permission. |
| 648 | return mContext.checkCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES) == |
| 649 | PackageManager.PERMISSION_GRANTED; |
| 650 | } |
| 651 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 652 | @Override |
| 653 | public boolean clearScores() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 654 | // Only the active scorer or the system should be allowed to flush all scores. |
Jeremy Joslin | 35f34ea | 2017-02-03 09:13:51 -0800 | [diff] [blame] | 655 | if (isCallerActiveScorer(getCallingUid()) || callerCanRequestScores()) { |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 656 | final long token = Binder.clearCallingIdentity(); |
| 657 | try { |
| 658 | clearInternal(); |
| 659 | return true; |
| 660 | } finally { |
| 661 | Binder.restoreCallingIdentity(token); |
| 662 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 663 | } else { |
| 664 | throw new SecurityException( |
| 665 | "Caller is neither the active scorer nor the scorer manager."); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | @Override |
| 670 | public boolean setActiveScorer(String packageName) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 671 | // Only the system can set the active scorer |
Jeremy Joslin | 3bddadd | 2017-03-21 16:16:46 -0700 | [diff] [blame] | 672 | if (!isCallerSystemProcess(getCallingUid()) && !callerCanRequestScores()) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 673 | throw new SecurityException( |
| 674 | "Caller is neither the system process nor a score requester."); |
| 675 | } |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 676 | |
| 677 | return mNetworkScorerAppManager.setActiveScorer(packageName); |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 678 | } |
| 679 | |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 680 | /** |
| 681 | * Determine whether the application with the given UID is the enabled scorer. |
| 682 | * |
| 683 | * @param callingUid the UID to check |
| 684 | * @return true if the provided UID is the active scorer, false otherwise. |
| 685 | */ |
| 686 | @Override |
| 687 | public boolean isCallerActiveScorer(int callingUid) { |
| 688 | synchronized (mServiceConnectionLock) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 689 | return mServiceConnection != null |
| 690 | && mServiceConnection.mAppData.packageUid == callingUid; |
Jeremy Joslin | 134c9d3 | 2017-01-09 16:22:20 -0800 | [diff] [blame] | 691 | } |
| 692 | } |
| 693 | |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 694 | private boolean isCallerSystemProcess(int callingUid) { |
| 695 | return callingUid == Process.SYSTEM_UID; |
| 696 | } |
| 697 | |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 698 | /** |
| 699 | * Obtain the package name of the current active network scorer. |
| 700 | * |
| 701 | * @return the full package name of the current active scorer, or null if there is no active |
| 702 | * scorer. |
| 703 | */ |
| 704 | @Override |
| 705 | public String getActiveScorerPackage() { |
| 706 | synchronized (mServiceConnectionLock) { |
| 707 | if (mServiceConnection != null) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 708 | return mServiceConnection.getPackageName(); |
Jeremy Joslin | 6c1ca28 | 2017-01-10 13:08:32 -0800 | [diff] [blame] | 709 | } |
| 710 | } |
| 711 | return null; |
| 712 | } |
| 713 | |
Jeremy Joslin | a5172f6 | 2017-02-02 14:27:05 -0800 | [diff] [blame] | 714 | /** |
| 715 | * Returns metadata about the active scorer or <code>null</code> if there is no active scorer. |
| 716 | */ |
| 717 | @Override |
| 718 | public NetworkScorerAppData getActiveScorer() { |
| 719 | // Only the system can access this data. |
| 720 | if (isCallerSystemProcess(getCallingUid()) || callerCanRequestScores()) { |
| 721 | synchronized (mServiceConnectionLock) { |
| 722 | if (mServiceConnection != null) { |
| 723 | return mServiceConnection.mAppData; |
| 724 | } |
| 725 | } |
| 726 | } else { |
| 727 | throw new SecurityException( |
| 728 | "Caller is neither the system process nor a score requester."); |
| 729 | } |
| 730 | |
| 731 | return null; |
| 732 | } |
| 733 | |
Jeremy Joslin | f95c865 | 2017-02-09 15:32:04 -0800 | [diff] [blame] | 734 | /** |
| 735 | * Returns the list of available scorer apps. The list will be empty if there are |
| 736 | * no valid scorers. |
| 737 | */ |
| 738 | @Override |
| 739 | public List<NetworkScorerAppData> getAllValidScorers() { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 740 | // Only the system can access this data. |
Jeremy Joslin | 3bddadd | 2017-03-21 16:16:46 -0700 | [diff] [blame] | 741 | if (!isCallerSystemProcess(getCallingUid()) && !callerCanRequestScores()) { |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 742 | throw new SecurityException( |
| 743 | "Caller is neither the system process nor a score requester."); |
| 744 | } |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 745 | |
| 746 | return mNetworkScorerAppManager.getAllValidScorers(); |
Jeremy Joslin | f95c865 | 2017-02-09 15:32:04 -0800 | [diff] [blame] | 747 | } |
| 748 | |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 749 | @Override |
| 750 | public void disableScoring() { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 751 | // Only the active scorer or the system should be allowed to disable scoring. |
Jeremy Joslin | 3bddadd | 2017-03-21 16:16:46 -0700 | [diff] [blame] | 752 | if (!isCallerActiveScorer(getCallingUid()) && !callerCanRequestScores()) { |
Jeff Davidson | 26fd143 | 2014-07-29 09:39:52 -0700 | [diff] [blame] | 753 | throw new SecurityException( |
| 754 | "Caller is neither the active scorer nor the scorer manager."); |
Jeff Davidson | b096bdc | 2014-07-01 12:29:11 -0700 | [diff] [blame] | 755 | } |
Jeremy Joslin | e9052a3 | 2017-02-27 15:47:54 -0800 | [diff] [blame] | 756 | |
| 757 | // 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] | 758 | } |
| 759 | |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 760 | /** Clear scores. Callers are responsible for checking permissions as appropriate. */ |
| 761 | private void clearInternal() { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 762 | sendCacheUpdateCallback(new BiConsumer<INetworkScoreCache, Object>() { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 763 | @Override |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 764 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 765 | try { |
| 766 | networkScoreCache.clearScores(); |
| 767 | } catch (RemoteException e) { |
| 768 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 769 | Log.v(TAG, "Unable to clear scores", e); |
| 770 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 771 | } |
| 772 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 773 | }, getScoreCacheLists()); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | @Override |
Jeremy Joslin | c5ac587 | 2016-11-30 15:05:40 -0800 | [diff] [blame] | 777 | public void registerNetworkScoreCache(int networkType, |
| 778 | INetworkScoreCache scoreCache, |
| 779 | int filterType) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 780 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 781 | final long token = Binder.clearCallingIdentity(); |
| 782 | try { |
| 783 | synchronized (mScoreCaches) { |
| 784 | RemoteCallbackList<INetworkScoreCache> callbackList = mScoreCaches.get(networkType); |
| 785 | if (callbackList == null) { |
| 786 | callbackList = new RemoteCallbackList<>(); |
| 787 | mScoreCaches.put(networkType, callbackList); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 788 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 789 | if (!callbackList.register(scoreCache, filterType)) { |
| 790 | if (callbackList.getRegisteredCallbackCount() == 0) { |
| 791 | mScoreCaches.remove(networkType); |
| 792 | } |
| 793 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 794 | Log.v(TAG, "Unable to register NetworkScoreCache for type " + networkType); |
| 795 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 796 | } |
| 797 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 798 | } finally { |
| 799 | Binder.restoreCallingIdentity(token); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 800 | } |
| 801 | } |
| 802 | |
| 803 | @Override |
| 804 | public void unregisterNetworkScoreCache(int networkType, INetworkScoreCache scoreCache) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 805 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 806 | final long token = Binder.clearCallingIdentity(); |
| 807 | try { |
| 808 | synchronized (mScoreCaches) { |
| 809 | RemoteCallbackList<INetworkScoreCache> callbackList = mScoreCaches.get(networkType); |
| 810 | if (callbackList == null || !callbackList.unregister(scoreCache)) { |
| 811 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 812 | Log.v(TAG, "Unable to unregister NetworkScoreCache for type " |
| 813 | + networkType); |
| 814 | } |
| 815 | } else if (callbackList.getRegisteredCallbackCount() == 0) { |
| 816 | mScoreCaches.remove(networkType); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 817 | } |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 818 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 819 | } finally { |
| 820 | Binder.restoreCallingIdentity(token); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 821 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 822 | } |
| 823 | |
| 824 | @Override |
Jeremy Joslin | d1daf6d | 2016-11-28 17:47:35 -0800 | [diff] [blame] | 825 | public RecommendationResult requestRecommendation(RecommendationRequest request) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 826 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 827 | throwIfCalledOnMainThread(); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 828 | final long token = Binder.clearCallingIdentity(); |
| 829 | try { |
| 830 | final INetworkRecommendationProvider provider = getRecommendationProvider(); |
| 831 | if (provider != null) { |
| 832 | try { |
Jeremy Joslin | 3452b69 | 2017-01-17 15:48:13 -0800 | [diff] [blame] | 833 | final RequestRecommendationCaller caller = mReqRecommendationCallerRef.get(); |
| 834 | return caller.getRecommendationResult(provider, request); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 835 | } catch (RemoteException | TimeoutException e) { |
| 836 | Log.w(TAG, "Failed to request a recommendation.", e); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 837 | // TODO: 12/15/16 - Keep track of failures. |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 838 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 839 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 840 | |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 841 | if (DBG) { |
| 842 | Log.d(TAG, "Returning the default network recommendation."); |
| 843 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 844 | |
Jeremy Joslin | 26a45e5 | 2017-01-18 11:55:17 -0800 | [diff] [blame] | 845 | if (request != null && request.getDefaultWifiConfig() != null) { |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 846 | return RecommendationResult.createConnectRecommendation( |
Jeremy Joslin | 26a45e5 | 2017-01-18 11:55:17 -0800 | [diff] [blame] | 847 | request.getDefaultWifiConfig()); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 848 | } |
| 849 | return RecommendationResult.createDoNotConnectRecommendation(); |
| 850 | } finally { |
| 851 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | d1daf6d | 2016-11-28 17:47:35 -0800 | [diff] [blame] | 852 | } |
Jeremy Joslin | d1daf6d | 2016-11-28 17:47:35 -0800 | [diff] [blame] | 853 | } |
| 854 | |
Jeremy Joslin | 998d7ca | 2016-12-28 15:56:46 -0800 | [diff] [blame] | 855 | /** |
| 856 | * Request a recommendation for the best network to connect to |
| 857 | * taking into account the inputs from the {@link RecommendationRequest}. |
| 858 | * |
| 859 | * @param request a {@link RecommendationRequest} instance containing the details of the request |
| 860 | * @param remoteCallback a {@link IRemoteCallback} instance to invoke when the recommendation |
| 861 | * is available. |
| 862 | * @throws SecurityException if the caller is not the system |
| 863 | */ |
| 864 | @Override |
| 865 | public void requestRecommendationAsync(RecommendationRequest request, |
| 866 | RemoteCallback remoteCallback) { |
Jeremy Joslin | 6397ab5 | 2017-01-18 15:12:01 -0800 | [diff] [blame] | 867 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 998d7ca | 2016-12-28 15:56:46 -0800 | [diff] [blame] | 868 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 869 | final OneTimeCallback oneTimeCallback = new OneTimeCallback(remoteCallback); |
| 870 | final Pair<RecommendationRequest, OneTimeCallback> pair = |
| 871 | Pair.create(request, oneTimeCallback); |
| 872 | final Message timeoutMsg = mHandler.obtainMessage( |
| 873 | ServiceHandler.MSG_RECOMMENDATION_REQUEST_TIMEOUT, pair); |
| 874 | final INetworkRecommendationProvider provider = getRecommendationProvider(); |
| 875 | final long token = Binder.clearCallingIdentity(); |
| 876 | try { |
| 877 | if (provider != null) { |
| 878 | try { |
| 879 | mHandler.sendMessageDelayed(timeoutMsg, mRecommendationRequestTimeoutMs); |
| 880 | provider.requestRecommendation(request, new IRemoteCallback.Stub() { |
| 881 | @Override |
| 882 | public void sendResult(Bundle data) throws RemoteException { |
| 883 | // Remove the timeout message |
| 884 | mHandler.removeMessages(timeoutMsg.what, pair); |
| 885 | oneTimeCallback.sendResult(data); |
| 886 | } |
| 887 | }, 0 /*sequence*/); |
| 888 | return; |
| 889 | } catch (RemoteException e) { |
| 890 | Log.w(TAG, "Failed to request a recommendation.", e); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 891 | // TODO: 12/15/16 - Keep track of failures. |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 892 | // Remove the timeout message |
| 893 | mHandler.removeMessages(timeoutMsg.what, pair); |
| 894 | // Will fall through and send back the default recommendation. |
| 895 | } |
| 896 | } |
| 897 | } finally { |
| 898 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | 998d7ca | 2016-12-28 15:56:46 -0800 | [diff] [blame] | 899 | } |
| 900 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 901 | // Else send back the default recommendation. |
| 902 | sendDefaultRecommendationResponse(request, oneTimeCallback); |
Jeremy Joslin | 998d7ca | 2016-12-28 15:56:46 -0800 | [diff] [blame] | 903 | } |
| 904 | |
Jeremy Joslin | d1daf6d | 2016-11-28 17:47:35 -0800 | [diff] [blame] | 905 | @Override |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 906 | public boolean requestScores(NetworkKey[] networks) { |
Jeremy Joslin | 5519d7c | 2017-01-06 14:36:54 -0800 | [diff] [blame] | 907 | mContext.enforceCallingOrSelfPermission(permission.REQUEST_NETWORK_SCORES, TAG); |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 908 | final long token = Binder.clearCallingIdentity(); |
| 909 | try { |
| 910 | final INetworkRecommendationProvider provider = getRecommendationProvider(); |
| 911 | if (provider != null) { |
| 912 | try { |
| 913 | provider.requestScores(networks); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 914 | // TODO: 12/15/16 - Consider pushing null scores into the cache to |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 915 | // prevent repeated requests for the same scores. |
| 916 | return true; |
| 917 | } catch (RemoteException e) { |
| 918 | Log.w(TAG, "Failed to request scores.", e); |
Jeremy Joslin | e71fe2b | 2017-01-25 11:40:08 -0800 | [diff] [blame] | 919 | // TODO: 12/15/16 - Keep track of failures. |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 920 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 921 | } |
Jeremy Joslin | 8f5521a | 2016-12-20 14:36:20 -0800 | [diff] [blame] | 922 | return false; |
| 923 | } finally { |
| 924 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 925 | } |
Jeremy Joslin | b2087a1 | 2016-12-13 16:11:51 -0800 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | @Override |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 929 | protected void dump(final FileDescriptor fd, final PrintWriter writer, final String[] args) { |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 930 | if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return; |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 931 | final long token = Binder.clearCallingIdentity(); |
| 932 | try { |
| 933 | NetworkScorerAppData currentScorer = mNetworkScorerAppManager.getActiveScorer(); |
| 934 | if (currentScorer == null) { |
| 935 | writer.println("Scoring is disabled."); |
| 936 | return; |
| 937 | } |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 938 | writer.println("Current scorer: " + currentScorer); |
Jeremy Joslin | 4ad7ca0 | 2017-02-13 11:35:03 -0800 | [diff] [blame] | 939 | writer.println("RecommendationRequestTimeoutMs: " + mRecommendationRequestTimeoutMs); |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 940 | |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 941 | sendCacheUpdateCallback(new BiConsumer<INetworkScoreCache, Object>() { |
| 942 | @Override |
| 943 | public void accept(INetworkScoreCache networkScoreCache, Object cookie) { |
| 944 | try { |
| 945 | TransferPipe.dumpAsync(networkScoreCache.asBinder(), fd, args); |
| 946 | } catch (IOException | RemoteException e) { |
| 947 | writer.println("Failed to dump score cache: " + e); |
| 948 | } |
| 949 | } |
| 950 | }, getScoreCacheLists()); |
| 951 | |
| 952 | synchronized (mServiceConnectionLock) { |
| 953 | if (mServiceConnection != null) { |
| 954 | mServiceConnection.dump(fd, writer, args); |
| 955 | } else { |
| 956 | writer.println("ScoringServiceConnection: null"); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 957 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 958 | } |
Jeremy Joslin | 534b6cf | 2017-01-25 18:20:21 -0800 | [diff] [blame] | 959 | writer.flush(); |
| 960 | } finally { |
| 961 | Binder.restoreCallingIdentity(token); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 962 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 963 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 964 | |
| 965 | /** |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 966 | * 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] | 967 | * |
| 968 | * <p>May be used to perform an action on all score caches without potentially strange behavior |
| 969 | * if a new scorer is registered during that action's execution. |
| 970 | */ |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 971 | private Collection<RemoteCallbackList<INetworkScoreCache>> getScoreCacheLists() { |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 972 | synchronized (mScoreCaches) { |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 973 | return new ArrayList<>(mScoreCaches.values()); |
| 974 | } |
| 975 | } |
| 976 | |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 977 | private void sendCacheUpdateCallback(BiConsumer<INetworkScoreCache, Object> consumer, |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 978 | Collection<RemoteCallbackList<INetworkScoreCache>> remoteCallbackLists) { |
| 979 | for (RemoteCallbackList<INetworkScoreCache> callbackList : remoteCallbackLists) { |
| 980 | synchronized (callbackList) { // Ensure only one active broadcast per RemoteCallbackList |
| 981 | final int count = callbackList.beginBroadcast(); |
| 982 | try { |
| 983 | for (int i = 0; i < count; i++) { |
Jeremy Joslin | ba24273 | 2017-01-24 17:16:42 -0800 | [diff] [blame] | 984 | consumer.accept(callbackList.getBroadcastItem(i), |
Jeremy Joslin | 7890e19 | 2017-02-06 11:14:34 -0800 | [diff] [blame] | 985 | callbackList.getBroadcastCookie(i)); |
Amin Shaikh | 972e236 | 2016-12-07 14:08:09 -0800 | [diff] [blame] | 986 | } |
| 987 | } finally { |
| 988 | callbackList.finishBroadcast(); |
| 989 | } |
| 990 | } |
Jeff Davidson | 14f1ec0 | 2014-04-29 11:58:26 -0700 | [diff] [blame] | 991 | } |
| 992 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 993 | |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 994 | private void throwIfCalledOnMainThread() { |
| 995 | if (Thread.currentThread() == mContext.getMainLooper().getThread()) { |
| 996 | throw new RuntimeException("Cannot invoke on the main thread"); |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | @Nullable |
| 1001 | private INetworkRecommendationProvider getRecommendationProvider() { |
| 1002 | synchronized (mServiceConnectionLock) { |
| 1003 | if (mServiceConnection != null) { |
| 1004 | return mServiceConnection.getRecommendationProvider(); |
| 1005 | } |
| 1006 | } |
| 1007 | return null; |
| 1008 | } |
| 1009 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1010 | @VisibleForTesting |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1011 | public void refreshRecommendationRequestTimeoutMs() { |
| 1012 | final ContentResolver cr = mContext.getContentResolver(); |
| 1013 | long timeoutMs = Settings.Global.getLong(cr, |
| 1014 | Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS, -1L /*default*/); |
| 1015 | if (timeoutMs < 0) { |
| 1016 | timeoutMs = TimedRemoteCaller.DEFAULT_CALL_TIMEOUT_MILLIS; |
| 1017 | } |
| 1018 | if (DBG) Log.d(TAG, "Updating the recommendation request timeout to " + timeoutMs + " ms"); |
| 1019 | mRecommendationRequestTimeoutMs = timeoutMs; |
Jeremy Joslin | 3452b69 | 2017-01-17 15:48:13 -0800 | [diff] [blame] | 1020 | mReqRecommendationCallerRef.set(new RequestRecommendationCaller(timeoutMs)); |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1021 | } |
| 1022 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1023 | private static class ScoringServiceConnection implements ServiceConnection { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1024 | private final NetworkScorerAppData mAppData; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1025 | private volatile boolean mBound = false; |
| 1026 | private volatile boolean mConnected = false; |
| 1027 | private volatile INetworkRecommendationProvider mRecommendationProvider; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1028 | |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1029 | ScoringServiceConnection(NetworkScorerAppData appData) { |
| 1030 | mAppData = appData; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | void connect(Context context) { |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1034 | if (!mBound) { |
Joe LaPenna | 25e7ec2 | 2016-12-27 14:50:14 -0800 | [diff] [blame] | 1035 | Intent service = new Intent(NetworkScoreManager.ACTION_RECOMMEND_NETWORKS); |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1036 | service.setComponent(mAppData.getRecommendationServiceComponent()); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1037 | mBound = context.bindServiceAsUser(service, this, |
| 1038 | Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE, |
| 1039 | UserHandle.SYSTEM); |
| 1040 | if (!mBound) { |
| 1041 | Log.w(TAG, "Bind call failed for " + service); |
| 1042 | } else { |
| 1043 | if (DBG) Log.d(TAG, "ScoringServiceConnection bound."); |
| 1044 | } |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | void disconnect(Context context) { |
| 1049 | try { |
| 1050 | if (mBound) { |
| 1051 | mBound = false; |
| 1052 | context.unbindService(this); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1053 | if (DBG) Log.d(TAG, "ScoringServiceConnection unbound."); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1054 | } |
| 1055 | } catch (RuntimeException e) { |
| 1056 | Log.e(TAG, "Unbind failed.", e); |
| 1057 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1058 | |
| 1059 | mRecommendationProvider = null; |
| 1060 | } |
| 1061 | |
| 1062 | INetworkRecommendationProvider getRecommendationProvider() { |
| 1063 | return mRecommendationProvider; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1064 | } |
| 1065 | |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1066 | String getPackageName() { |
| 1067 | return mAppData.getRecommendationServiceComponent().getPackageName(); |
| 1068 | } |
| 1069 | |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1070 | @Override |
| 1071 | public void onServiceConnected(ComponentName name, IBinder service) { |
| 1072 | if (DBG) Log.d(TAG, "ScoringServiceConnection: " + name.flattenToString()); |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1073 | mConnected = true; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1074 | mRecommendationProvider = INetworkRecommendationProvider.Stub.asInterface(service); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1075 | } |
| 1076 | |
| 1077 | @Override |
| 1078 | public void onServiceDisconnected(ComponentName name) { |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1079 | if (DBG) { |
| 1080 | Log.d(TAG, "ScoringServiceConnection, disconnected: " + name.flattenToString()); |
| 1081 | } |
| 1082 | mConnected = false; |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1083 | mRecommendationProvider = null; |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | public void dump(FileDescriptor fd, PrintWriter writer, String[] args) { |
Jeremy Joslin | 37e877b | 2017-02-02 11:06:14 -0800 | [diff] [blame] | 1087 | writer.println("ScoringServiceConnection: " |
| 1088 | + mAppData.getRecommendationServiceComponent() |
| 1089 | + ", bound: " + mBound |
Jeremy Joslin | 1ec8cd95 | 2016-05-26 15:28:48 -0700 | [diff] [blame] | 1090 | + ", connected: " + mConnected); |
Jeremy Joslin | dd251ef | 2016-03-14 11:17:41 -0700 | [diff] [blame] | 1091 | } |
| 1092 | } |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1093 | |
| 1094 | /** |
| 1095 | * Executes the async requestRecommendation() call with a timeout. |
| 1096 | */ |
| 1097 | private static final class RequestRecommendationCaller |
| 1098 | extends TimedRemoteCaller<RecommendationResult> { |
| 1099 | private final IRemoteCallback mCallback; |
| 1100 | |
| 1101 | RequestRecommendationCaller(long callTimeoutMillis) { |
| 1102 | super(callTimeoutMillis); |
| 1103 | mCallback = new IRemoteCallback.Stub() { |
| 1104 | @Override |
| 1105 | public void sendResult(Bundle data) throws RemoteException { |
| 1106 | final RecommendationResult result = |
| 1107 | data.getParcelable(EXTRA_RECOMMENDATION_RESULT); |
| 1108 | final int sequence = data.getInt(EXTRA_SEQUENCE, -1); |
Jeremy Joslin | 4ad7ca0 | 2017-02-13 11:35:03 -0800 | [diff] [blame] | 1109 | if (VERBOSE) Log.v(TAG, "callback received for sequence " + sequence); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1110 | onRemoteMethodResult(result, sequence); |
| 1111 | } |
| 1112 | }; |
| 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * Runs the requestRecommendation() call on the given {@link INetworkRecommendationProvider} |
| 1117 | * instance. |
| 1118 | * |
| 1119 | * @param target the {@link INetworkRecommendationProvider} to request a recommendation |
| 1120 | * from |
| 1121 | * @param request the {@link RecommendationRequest} from the calling client |
| 1122 | * @return a {@link RecommendationResult} from the provider |
| 1123 | * @throws RemoteException if the call failed |
| 1124 | * @throws TimeoutException if the call took longer than the set timeout |
| 1125 | */ |
| 1126 | RecommendationResult getRecommendationResult(INetworkRecommendationProvider target, |
| 1127 | RecommendationRequest request) throws RemoteException, TimeoutException { |
| 1128 | final int sequence = onBeforeRemoteCall(); |
Jeremy Joslin | 4ad7ca0 | 2017-02-13 11:35:03 -0800 | [diff] [blame] | 1129 | if (VERBOSE) Log.v(TAG, "getRecommendationResult() seq=" + sequence); |
Jeremy Joslin | 145c343 | 2016-12-09 13:11:51 -0800 | [diff] [blame] | 1130 | target.requestRecommendation(request, mCallback, sequence); |
| 1131 | return getResultTimed(sequence); |
| 1132 | } |
| 1133 | } |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1134 | |
| 1135 | /** |
| 1136 | * A wrapper around {@link RemoteCallback} that guarantees |
| 1137 | * {@link RemoteCallback#sendResult(Bundle)} will be invoked at most once. |
| 1138 | */ |
| 1139 | @VisibleForTesting |
| 1140 | public static final class OneTimeCallback { |
| 1141 | private final RemoteCallback mRemoteCallback; |
| 1142 | private final AtomicBoolean mCallbackRun; |
| 1143 | |
| 1144 | public OneTimeCallback(RemoteCallback remoteCallback) { |
| 1145 | mRemoteCallback = remoteCallback; |
| 1146 | mCallbackRun = new AtomicBoolean(false); |
| 1147 | } |
| 1148 | |
| 1149 | public void sendResult(Bundle data) { |
| 1150 | if (mCallbackRun.compareAndSet(false, true)) { |
| 1151 | mRemoteCallback.sendResult(data); |
| 1152 | } |
| 1153 | } |
| 1154 | } |
| 1155 | |
| 1156 | private static void sendDefaultRecommendationResponse(RecommendationRequest request, |
| 1157 | OneTimeCallback remoteCallback) { |
| 1158 | if (DBG) { |
| 1159 | Log.d(TAG, "Returning the default network recommendation."); |
| 1160 | } |
| 1161 | |
| 1162 | final RecommendationResult result; |
Jeremy Joslin | 26a45e5 | 2017-01-18 11:55:17 -0800 | [diff] [blame] | 1163 | if (request != null && request.getDefaultWifiConfig() != null) { |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1164 | result = RecommendationResult.createConnectRecommendation( |
Jeremy Joslin | 26a45e5 | 2017-01-18 11:55:17 -0800 | [diff] [blame] | 1165 | request.getDefaultWifiConfig()); |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1166 | } else { |
| 1167 | result = RecommendationResult.createDoNotConnectRecommendation(); |
| 1168 | } |
| 1169 | |
| 1170 | final Bundle data = new Bundle(); |
| 1171 | data.putParcelable(EXTRA_RECOMMENDATION_RESULT, result); |
| 1172 | remoteCallback.sendResult(data); |
| 1173 | } |
| 1174 | |
| 1175 | @VisibleForTesting |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1176 | public final class ServiceHandler extends Handler { |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1177 | public static final int MSG_RECOMMENDATION_REQUEST_TIMEOUT = 1; |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1178 | public static final int MSG_RECOMMENDATIONS_PACKAGE_CHANGED = 2; |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1179 | public static final int MSG_RECOMMENDATION_REQUEST_TIMEOUT_CHANGED = 3; |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 1180 | public static final int MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED = 4; |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1181 | |
| 1182 | public ServiceHandler(Looper looper) { |
| 1183 | super(looper); |
| 1184 | } |
| 1185 | |
| 1186 | @Override |
| 1187 | public void handleMessage(Message msg) { |
| 1188 | final int what = msg.what; |
| 1189 | switch (what) { |
| 1190 | case MSG_RECOMMENDATION_REQUEST_TIMEOUT: |
| 1191 | if (DBG) { |
| 1192 | Log.d(TAG, "Network recommendation request timed out."); |
| 1193 | } |
| 1194 | final Pair<RecommendationRequest, OneTimeCallback> pair = |
| 1195 | (Pair<RecommendationRequest, OneTimeCallback>) msg.obj; |
| 1196 | final RecommendationRequest request = pair.first; |
| 1197 | final OneTimeCallback remoteCallback = pair.second; |
| 1198 | sendDefaultRecommendationResponse(request, remoteCallback); |
| 1199 | break; |
| 1200 | |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1201 | case MSG_RECOMMENDATIONS_PACKAGE_CHANGED: |
Jeremy Joslin | 9925c6a | 2017-03-06 10:39:35 -0800 | [diff] [blame] | 1202 | case MSG_RECOMMENDATION_ENABLED_SETTING_CHANGED: |
Jeremy Joslin | ee3fb5c | 2017-02-13 13:44:11 -0800 | [diff] [blame] | 1203 | refreshBinding(); |
Jeremy Joslin | cb594f3 | 2017-01-03 17:31:23 -0800 | [diff] [blame] | 1204 | break; |
| 1205 | |
| 1206 | case MSG_RECOMMENDATION_REQUEST_TIMEOUT_CHANGED: |
| 1207 | refreshRecommendationRequestTimeoutMs(); |
| 1208 | break; |
| 1209 | |
Jeremy Joslin | ce73c6f | 2016-12-29 14:49:38 -0800 | [diff] [blame] | 1210 | default: |
| 1211 | Log.w(TAG,"Unknown message: " + what); |
| 1212 | } |
| 1213 | } |
| 1214 | } |
Jeff Davidson | 6a4b220 | 2014-04-16 17:29:40 -0700 | [diff] [blame] | 1215 | } |