Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.appbinding; |
| 18 | |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 19 | import android.annotation.NonNull; |
| 20 | import android.annotation.Nullable; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 21 | import android.app.AppGlobals; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 22 | import android.content.BroadcastReceiver; |
| 23 | import android.content.ComponentName; |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 24 | import android.content.ContentResolver; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 25 | import android.content.Context; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 26 | import android.content.Intent; |
| 27 | import android.content.IntentFilter; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 28 | import android.content.pm.IPackageManager; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 29 | import android.content.pm.ServiceInfo; |
| 30 | import android.database.ContentObserver; |
| 31 | import android.net.Uri; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 32 | import android.os.Binder; |
| 33 | import android.os.Handler; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 34 | import android.os.IBinder; |
| 35 | import android.os.IInterface; |
| 36 | import android.os.UserHandle; |
| 37 | import android.provider.Settings; |
| 38 | import android.provider.Settings.Global; |
| 39 | import android.text.TextUtils; |
| 40 | import android.util.Slog; |
| 41 | import android.util.SparseBooleanArray; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 42 | |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 43 | import com.android.internal.annotations.GuardedBy; |
| 44 | import com.android.internal.annotations.VisibleForTesting; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 45 | import com.android.internal.os.BackgroundThread; |
| 46 | import com.android.internal.util.DumpUtils; |
| 47 | import com.android.server.SystemService; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 48 | import com.android.server.am.PersistentConnection; |
| 49 | import com.android.server.appbinding.finders.AppServiceFinder; |
| 50 | import com.android.server.appbinding.finders.SmsAppServiceFinder; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 51 | |
| 52 | import java.io.FileDescriptor; |
| 53 | import java.io.PrintWriter; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 54 | import java.util.ArrayList; |
| 55 | import java.util.function.Consumer; |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 56 | |
| 57 | /** |
| 58 | * System server that keeps a binding to an app to keep it always running. |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 59 | * |
| 60 | * <p>As of android Q, we only use it for the default SMS app. |
| 61 | * |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 62 | * Relevant tests: |
| 63 | * atest CtsAppBindingHostTestCases |
| 64 | * |
| 65 | * TODO Maybe handle force-stop differently. Right now we just get "binder died" and re-bind |
| 66 | * after a timeout. b/116813347 |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 67 | */ |
| 68 | public class AppBindingService extends Binder { |
| 69 | public static final String TAG = "AppBindingService"; |
| 70 | |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 71 | public static final boolean DEBUG = false; // DO NOT SUBMIT WITH TRUE |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 72 | |
| 73 | private final Object mLock = new Object(); |
| 74 | |
| 75 | private final Injector mInjector; |
| 76 | private final Context mContext; |
| 77 | private final Handler mHandler; |
| 78 | private final IPackageManager mIPackageManager; |
| 79 | |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 80 | @GuardedBy("mLock") |
| 81 | private AppBindingConstants mConstants; |
| 82 | |
| 83 | @GuardedBy("mLock") |
| 84 | private final SparseBooleanArray mRunningUsers = new SparseBooleanArray(2); |
| 85 | |
| 86 | @GuardedBy("mLock") |
| 87 | private final ArrayList<AppServiceFinder> mApps = new ArrayList<>(); |
| 88 | |
| 89 | @GuardedBy("mLock") |
| 90 | private final ArrayList<AppServiceConnection> mConnections = new ArrayList<>(); |
| 91 | |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 92 | static class Injector { |
| 93 | public IPackageManager getIPackageManager() { |
| 94 | return AppGlobals.getPackageManager(); |
| 95 | } |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 96 | |
| 97 | public String getGlobalSettingString(ContentResolver resolver, String key) { |
| 98 | return Settings.Global.getString(resolver, key); |
| 99 | } |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | /** |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 103 | * {@link SystemService} for this service. |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 104 | */ |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 105 | public static class Lifecycle extends SystemService { |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 106 | final AppBindingService mService; |
| 107 | |
| 108 | public Lifecycle(Context context) { |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 109 | this(context, new Injector()); |
| 110 | } |
| 111 | |
| 112 | Lifecycle(Context context, Injector injector) { |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 113 | super(context); |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 114 | mService = new AppBindingService(injector, context); |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public void onStart() { |
| 119 | publishBinderService(Context.APP_BINDING_SERVICE, mService); |
| 120 | } |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 121 | |
| 122 | @Override |
| 123 | public void onBootPhase(int phase) { |
| 124 | mService.onBootPhase(phase); |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public void onStartUser(int userHandle) { |
| 129 | mService.onStartUser(userHandle); |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public void onUnlockUser(int userId) { |
| 134 | mService.onUnlockUser(userId); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void onStopUser(int userHandle) { |
| 139 | mService.onStopUser(userHandle); |
| 140 | } |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | private AppBindingService(Injector injector, Context context) { |
| 144 | mInjector = injector; |
| 145 | mContext = context; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 146 | |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 147 | mIPackageManager = injector.getIPackageManager(); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 148 | |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 149 | mHandler = BackgroundThread.getHandler(); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 150 | mApps.add(new SmsAppServiceFinder(context, this::onAppChanged, mHandler)); |
| 151 | |
| 152 | // Initialize with the default value to make it non-null. |
| 153 | mConstants = AppBindingConstants.initializeFromString(""); |
| 154 | } |
| 155 | |
| 156 | private void forAllAppsLocked(Consumer<AppServiceFinder> consumer) { |
| 157 | for (int i = 0; i < mApps.size(); i++) { |
| 158 | consumer.accept(mApps.get(i)); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | private void onBootPhase(int phase) { |
| 163 | if (DEBUG) { |
| 164 | Slog.d(TAG, "onBootPhase: " + phase); |
| 165 | } |
| 166 | switch (phase) { |
| 167 | case SystemService.PHASE_ACTIVITY_MANAGER_READY: |
| 168 | onPhaseActivityManagerReady(); |
| 169 | break; |
| 170 | case SystemService.PHASE_THIRD_PARTY_APPS_CAN_START: |
| 171 | onPhaseThirdPartyAppsCanStart(); |
| 172 | break; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Handle boot phase PHASE_ACTIVITY_MANAGER_READY. |
| 178 | */ |
| 179 | private void onPhaseActivityManagerReady() { |
| 180 | final IntentFilter packageFilter = new IntentFilter(); |
| 181 | packageFilter.addAction(Intent.ACTION_PACKAGE_ADDED); |
| 182 | packageFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| 183 | packageFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 184 | packageFilter.addDataScheme("package"); |
| 185 | |
| 186 | packageFilter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| 187 | mContext.registerReceiverAsUser(mPackageUserMonitor, UserHandle.ALL, |
| 188 | packageFilter, null, mHandler); |
| 189 | |
| 190 | final IntentFilter userFilter = new IntentFilter(); |
| 191 | userFilter.addAction(Intent.ACTION_USER_REMOVED); |
| 192 | mContext.registerReceiverAsUser(mPackageUserMonitor, UserHandle.ALL, |
| 193 | userFilter, null, mHandler); |
| 194 | |
| 195 | mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor( |
| 196 | Settings.Global.APP_BINDING_CONSTANTS), false, mSettingsObserver); |
| 197 | |
| 198 | refreshConstants(); |
| 199 | } |
| 200 | |
| 201 | private final ContentObserver mSettingsObserver = new ContentObserver(null) { |
| 202 | @Override |
| 203 | public void onChange(boolean selfChange) { |
| 204 | refreshConstants(); |
| 205 | } |
| 206 | }; |
| 207 | |
| 208 | private void refreshConstants() { |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 209 | final String newSetting = mInjector.getGlobalSettingString( |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 210 | mContext.getContentResolver(), Global.APP_BINDING_CONSTANTS); |
| 211 | |
| 212 | synchronized (mLock) { |
| 213 | if (TextUtils.equals(mConstants.sourceSettings, newSetting)) { |
| 214 | return; |
| 215 | } |
| 216 | Slog.i(TAG, "Updating constants with: " + newSetting); |
| 217 | mConstants = AppBindingConstants.initializeFromString(newSetting); |
| 218 | |
| 219 | rebindAllLocked("settings update"); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | @VisibleForTesting |
| 224 | final BroadcastReceiver mPackageUserMonitor = new BroadcastReceiver() { |
| 225 | @Override |
| 226 | public void onReceive(Context context, Intent intent) { |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 227 | if (DEBUG) { |
| 228 | Slog.d(TAG, "Broadcast received: " + intent); |
| 229 | } |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 230 | final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); |
| 231 | if (userId == UserHandle.USER_NULL) { |
| 232 | Slog.w(TAG, "Intent broadcast does not contain user handle: " + intent); |
| 233 | return; |
| 234 | } |
| 235 | |
| 236 | final String action = intent.getAction(); |
| 237 | |
| 238 | if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| 239 | onUserRemoved(userId); |
| 240 | return; |
| 241 | } |
| 242 | |
| 243 | final Uri intentUri = intent.getData(); |
| 244 | final String packageName = (intentUri != null) ? intentUri.getSchemeSpecificPart() |
| 245 | : null; |
| 246 | if (packageName == null) { |
| 247 | Slog.w(TAG, "Intent broadcast does not contain package name: " + intent); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); |
| 252 | |
| 253 | switch (action) { |
| 254 | case Intent.ACTION_PACKAGE_ADDED: |
| 255 | if (replacing) { |
| 256 | handlePackageAddedReplacing(packageName, userId); |
| 257 | } |
| 258 | break; |
| 259 | case Intent.ACTION_PACKAGE_REMOVED: |
| 260 | if (!replacing) { |
| 261 | handlePackageRemoved(packageName, userId); |
| 262 | } |
| 263 | break; |
| 264 | case Intent.ACTION_PACKAGE_CHANGED: |
| 265 | handlePackageChanged(packageName, userId); |
| 266 | break; |
| 267 | } |
| 268 | } |
| 269 | }; |
| 270 | |
| 271 | /** |
| 272 | * Handle boot phase PHASE_THIRD_PARTY_APPS_CAN_START. |
| 273 | */ |
| 274 | private void onPhaseThirdPartyAppsCanStart() { |
| 275 | synchronized (mLock) { |
| 276 | forAllAppsLocked(AppServiceFinder::startMonitoring); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | /** User lifecycle callback. */ |
| 281 | private void onStartUser(int userId) { |
| 282 | if (DEBUG) { |
| 283 | Slog.d(TAG, "onStartUser: u" + userId); |
| 284 | } |
| 285 | synchronized (mLock) { |
| 286 | mRunningUsers.append(userId, true); |
| 287 | bindServicesLocked(userId, null, "user start"); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | /** User lifecycle callback. */ |
| 292 | private void onUnlockUser(int userId) { |
| 293 | if (DEBUG) { |
| 294 | Slog.d(TAG, "onUnlockUser: u" + userId); |
| 295 | } |
| 296 | synchronized (mLock) { |
| 297 | bindServicesLocked(userId, null, "user unlock"); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | /** User lifecycle callback. */ |
| 302 | private void onStopUser(int userId) { |
| 303 | if (DEBUG) { |
| 304 | Slog.d(TAG, "onStopUser: u" + userId); |
| 305 | } |
| 306 | synchronized (mLock) { |
| 307 | unbindServicesLocked(userId, null, "user stop"); |
| 308 | |
| 309 | mRunningUsers.delete(userId); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | private void onUserRemoved(int userId) { |
| 314 | if (DEBUG) { |
| 315 | Slog.d(TAG, "onUserRemoved: u" + userId); |
| 316 | } |
| 317 | synchronized (mLock) { |
| 318 | forAllAppsLocked((app) -> app.onUserRemoved(userId)); |
| 319 | |
| 320 | mRunningUsers.delete(userId); |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Called when a target package changes; e.g. when the user changes the default SMS app. |
| 326 | */ |
| 327 | private void onAppChanged(AppServiceFinder finder, int userId) { |
| 328 | if (DEBUG) { |
| 329 | Slog.d(TAG, "onAppChanged: u" + userId + " " + finder.getAppDescription()); |
| 330 | } |
| 331 | synchronized (mLock) { |
| 332 | final String reason = finder.getAppDescription() + " changed"; |
| 333 | unbindServicesLocked(userId, finder, reason); |
| 334 | bindServicesLocked(userId, finder, reason); |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | @Nullable |
| 339 | private AppServiceFinder findFinderLocked(int userId, @NonNull String packageName) { |
| 340 | for (int i = 0; i < mApps.size(); i++) { |
| 341 | final AppServiceFinder app = mApps.get(i); |
| 342 | if (packageName.equals(app.getTargetPackage(userId))) { |
| 343 | return app; |
| 344 | } |
| 345 | } |
| 346 | return null; |
| 347 | } |
| 348 | |
| 349 | @Nullable |
| 350 | private AppServiceConnection findConnectionLock( |
| 351 | int userId, @NonNull AppServiceFinder target) { |
| 352 | for (int i = 0; i < mConnections.size(); i++) { |
| 353 | final AppServiceConnection conn = mConnections.get(i); |
| 354 | if ((conn.getUserId() == userId) && (conn.getFinder() == target)) { |
| 355 | return conn; |
| 356 | } |
| 357 | } |
| 358 | return null; |
| 359 | } |
| 360 | |
| 361 | private void handlePackageAddedReplacing(String packageName, int userId) { |
| 362 | if (DEBUG) { |
| 363 | Slog.d(TAG, "handlePackageAddedReplacing: u" + userId + " " + packageName); |
| 364 | } |
| 365 | synchronized (mLock) { |
| 366 | final AppServiceFinder finder = findFinderLocked(userId, packageName); |
| 367 | if (finder != null) { |
| 368 | unbindServicesLocked(userId, finder, "package update"); |
| 369 | bindServicesLocked(userId, finder, "package update"); |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | private void handlePackageRemoved(String packageName, int userId) { |
| 375 | if (DEBUG) { |
| 376 | Slog.d(TAG, "handlePackageRemoved: u" + userId + " " + packageName); |
| 377 | } |
| 378 | synchronized (mLock) { |
| 379 | final AppServiceFinder finder = findFinderLocked(userId, packageName); |
| 380 | if (finder != null) { |
| 381 | unbindServicesLocked(userId, finder, "package uninstall"); |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | private void handlePackageChanged(String packageName, int userId) { |
| 387 | if (DEBUG) { |
| 388 | Slog.d(TAG, "handlePackageChanged: u" + userId + " " + packageName); |
| 389 | } |
| 390 | synchronized (mLock) { |
| 391 | final AppServiceFinder finder = findFinderLocked(userId, packageName); |
| 392 | if (finder != null) { |
| 393 | unbindServicesLocked(userId, finder, "package changed"); |
| 394 | bindServicesLocked(userId, finder, "package changed"); |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | private void rebindAllLocked(String reason) { |
| 400 | for (int i = 0; i < mRunningUsers.size(); i++) { |
| 401 | if (!mRunningUsers.valueAt(i)) { |
| 402 | continue; |
| 403 | } |
| 404 | final int userId = mRunningUsers.keyAt(i); |
| 405 | |
| 406 | unbindServicesLocked(userId, null, reason); |
| 407 | bindServicesLocked(userId, null, reason); |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | private void bindServicesLocked(int userId, @Nullable AppServiceFinder target, |
| 412 | @NonNull String reasonForLog) { |
| 413 | for (int i = 0; i < mApps.size(); i++) { |
| 414 | final AppServiceFinder app = mApps.get(i); |
| 415 | if (target != null && target != app) { |
| 416 | continue; |
| 417 | } |
| 418 | |
| 419 | // Disconnect from existing binding. |
| 420 | final AppServiceConnection existingConn = findConnectionLock(userId, app); |
| 421 | if (existingConn != null) { |
| 422 | unbindServicesLocked(userId, target, reasonForLog); |
| 423 | } |
| 424 | |
Makoto Onuki | 7a2d35e | 2018-10-03 11:15:52 -0700 | [diff] [blame] | 425 | final ServiceInfo service = app.findService(userId, mIPackageManager, mConstants); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 426 | if (service == null) { |
| 427 | continue; |
| 428 | } |
| 429 | if (DEBUG) { |
| 430 | Slog.d(TAG, "bindServicesLocked: u" + userId + " " + app.getAppDescription() |
| 431 | + " binding " + service.getComponentName() + " for " + reasonForLog); |
| 432 | } |
| 433 | final AppServiceConnection conn = |
| 434 | new AppServiceConnection(mContext, userId, mConstants, mHandler, |
| 435 | app, service.getComponentName()); |
| 436 | mConnections.add(conn); |
| 437 | conn.bind(); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | private void unbindServicesLocked(int userId, @Nullable AppServiceFinder target, |
| 442 | @NonNull String reasonForLog) { |
| 443 | for (int i = mConnections.size() - 1; i >= 0; i--) { |
| 444 | final AppServiceConnection conn = mConnections.get(i); |
| 445 | if ((conn.getUserId() != userId) |
| 446 | || (target != null && conn.getFinder() != target)) { |
| 447 | continue; |
| 448 | } |
| 449 | if (DEBUG) { |
| 450 | Slog.d(TAG, "unbindServicesLocked: u" + userId |
| 451 | + " " + conn.getFinder().getAppDescription() |
| 452 | + " unbinding " + conn.getComponentName() + " for " + reasonForLog); |
| 453 | } |
| 454 | mConnections.remove(i); |
| 455 | conn.unbind(); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | private static class AppServiceConnection extends PersistentConnection<IInterface> { |
| 460 | private final AppBindingConstants mConstants; |
| 461 | private final AppServiceFinder mFinder; |
| 462 | |
| 463 | AppServiceConnection(Context context, int userId, AppBindingConstants constants, |
| 464 | Handler handler, AppServiceFinder finder, |
| 465 | @NonNull ComponentName componentName) { |
| 466 | super(TAG, context, handler, userId, componentName, |
| 467 | constants.SERVICE_RECONNECT_BACKOFF_SEC, |
| 468 | constants.SERVICE_RECONNECT_BACKOFF_INCREASE, |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 469 | constants.SERVICE_RECONNECT_MAX_BACKOFF_SEC, |
| 470 | constants.SERVICE_STABLE_CONNECTION_THRESHOLD_SEC); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 471 | mFinder = finder; |
| 472 | mConstants = constants; |
| 473 | } |
| 474 | |
| 475 | @Override |
| 476 | protected int getBindFlags() { |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 477 | return mFinder.getBindFlags(mConstants); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | @Override |
| 481 | protected IInterface asInterface(IBinder obj) { |
| 482 | return mFinder.asInterface(obj); |
| 483 | } |
| 484 | |
| 485 | public AppServiceFinder getFinder() { |
| 486 | return mFinder; |
| 487 | } |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | @Override |
| 491 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 492 | if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 493 | |
| 494 | if (args.length > 0 && "-s".equals(args[0])) { |
| 495 | dumpSimple(pw); |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | synchronized (mLock) { |
| 500 | mConstants.dump(" ", pw); |
| 501 | |
| 502 | pw.println(); |
| 503 | pw.print(" Running users:"); |
| 504 | for (int i = 0; i < mRunningUsers.size(); i++) { |
| 505 | if (mRunningUsers.valueAt(i)) { |
| 506 | pw.print(" "); |
| 507 | pw.print(mRunningUsers.keyAt(i)); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | pw.println(); |
| 512 | pw.println(" Connections:"); |
| 513 | for (int i = 0; i < mConnections.size(); i++) { |
| 514 | final AppServiceConnection conn = mConnections.get(i); |
| 515 | pw.print(" App type: "); |
| 516 | pw.print(conn.getFinder().getAppDescription()); |
| 517 | pw.println(); |
| 518 | |
| 519 | conn.dump(" ", pw); |
| 520 | } |
| 521 | if (mConnections.size() == 0) { |
| 522 | pw.println(" None:"); |
| 523 | } |
| 524 | |
| 525 | pw.println(); |
| 526 | pw.println(" Finders:"); |
| 527 | forAllAppsLocked((app) -> app.dump(" ", pw)); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Print simple output for CTS. |
| 533 | */ |
| 534 | private void dumpSimple(PrintWriter pw) { |
| 535 | synchronized (mLock) { |
| 536 | for (int i = 0; i < mConnections.size(); i++) { |
| 537 | final AppServiceConnection conn = mConnections.get(i); |
| 538 | |
| 539 | pw.print("conn,"); |
| 540 | pw.print(conn.getFinder().getAppDescription()); |
| 541 | pw.print(","); |
| 542 | pw.print(conn.getUserId()); |
| 543 | pw.print(","); |
| 544 | pw.print(conn.getComponentName().getPackageName()); |
| 545 | pw.print(","); |
| 546 | pw.print(conn.getComponentName().getClassName()); |
| 547 | pw.print(","); |
| 548 | pw.print(conn.isBound() ? "bound" : "not-bound"); |
| 549 | pw.print(","); |
| 550 | pw.print(conn.isConnected() ? "connected" : "not-connected"); |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 551 | pw.print(",#con="); |
| 552 | pw.print(conn.getNumConnected()); |
| 553 | pw.print(",#dis="); |
| 554 | pw.print(conn.getNumDisconnected()); |
| 555 | pw.print(",#died="); |
| 556 | pw.print(conn.getNumBindingDied()); |
| 557 | pw.print(",backoff="); |
| 558 | pw.print(conn.getNextBackoffMs()); |
Makoto Onuki | 87d260a | 2018-09-26 16:58:32 -0700 | [diff] [blame] | 559 | pw.println(); |
| 560 | } |
| 561 | forAllAppsLocked((app) -> app.dumpSimple(pw)); |
| 562 | } |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 563 | } |
Makoto Onuki | 8c7c5cc | 2018-10-02 09:29:58 -0700 | [diff] [blame] | 564 | |
| 565 | AppBindingConstants getConstantsForTest() { |
| 566 | return mConstants; |
| 567 | } |
Makoto Onuki | df7e481 | 2018-09-24 14:31:25 -0700 | [diff] [blame] | 568 | } |