BroadcastQueue.java revision d57969f6ec38c7633ca65bcd5bdd766cd972cfe4
1/* 2 * Copyright (C) 2012 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 17package com.android.server.am; 18 19import java.io.FileDescriptor; 20import java.io.PrintWriter; 21import java.util.ArrayList; 22 23import android.app.ActivityManager; 24import android.app.AppGlobals; 25import android.app.AppOpsManager; 26import android.content.ComponentName; 27import android.content.IIntentReceiver; 28import android.content.Intent; 29import android.content.pm.ActivityInfo; 30import android.content.pm.PackageManager; 31import android.content.pm.ResolveInfo; 32import android.os.Bundle; 33import android.os.Handler; 34import android.os.IBinder; 35import android.os.Looper; 36import android.os.Message; 37import android.os.Process; 38import android.os.RemoteException; 39import android.os.SystemClock; 40import android.os.UserHandle; 41import android.util.EventLog; 42import android.util.Slog; 43 44import static com.android.server.am.ActivityManagerDebugConfig.*; 45 46/** 47 * BROADCASTS 48 * 49 * We keep two broadcast queues and associated bookkeeping, one for those at 50 * foreground priority, and one for normal (background-priority) broadcasts. 51 */ 52public final class BroadcastQueue { 53 private static final String TAG = TAG_WITH_CLASS_NAME ? "BroadcastQueue" : TAG_AM; 54 private static final String TAG_MU = TAG + POSTFIX_MU; 55 private static final String TAG_BROADCAST = TAG + POSTFIX_BROADCAST; 56 57 static final int MAX_BROADCAST_HISTORY = ActivityManager.isLowRamDeviceStatic() ? 10 : 50; 58 static final int MAX_BROADCAST_SUMMARY_HISTORY 59 = ActivityManager.isLowRamDeviceStatic() ? 25 : 300; 60 61 final ActivityManagerService mService; 62 63 /** 64 * Recognizable moniker for this queue 65 */ 66 final String mQueueName; 67 68 /** 69 * Timeout period for this queue's broadcasts 70 */ 71 final long mTimeoutPeriod; 72 73 /** 74 * If true, we can delay broadcasts while waiting services to finish in the previous 75 * receiver's process. 76 */ 77 final boolean mDelayBehindServices; 78 79 /** 80 * Lists of all active broadcasts that are to be executed immediately 81 * (without waiting for another broadcast to finish). Currently this only 82 * contains broadcasts to registered receivers, to avoid spinning up 83 * a bunch of processes to execute IntentReceiver components. Background- 84 * and foreground-priority broadcasts are queued separately. 85 */ 86 final ArrayList<BroadcastRecord> mParallelBroadcasts = new ArrayList<BroadcastRecord>(); 87 88 /** 89 * List of all active broadcasts that are to be executed one at a time. 90 * The object at the top of the list is the currently activity broadcasts; 91 * those after it are waiting for the top to finish. As with parallel 92 * broadcasts, separate background- and foreground-priority queues are 93 * maintained. 94 */ 95 final ArrayList<BroadcastRecord> mOrderedBroadcasts = new ArrayList<BroadcastRecord>(); 96 97 /** 98 * Historical data of past broadcasts, for debugging. 99 */ 100 final BroadcastRecord[] mBroadcastHistory = new BroadcastRecord[MAX_BROADCAST_HISTORY]; 101 102 /** 103 * Summary of historical data of past broadcasts, for debugging. 104 */ 105 final Intent[] mBroadcastSummaryHistory = new Intent[MAX_BROADCAST_SUMMARY_HISTORY]; 106 107 /** 108 * Set when we current have a BROADCAST_INTENT_MSG in flight. 109 */ 110 boolean mBroadcastsScheduled = false; 111 112 /** 113 * True if we have a pending unexpired BROADCAST_TIMEOUT_MSG posted to our handler. 114 */ 115 boolean mPendingBroadcastTimeoutMessage; 116 117 /** 118 * Intent broadcasts that we have tried to start, but are 119 * waiting for the application's process to be created. We only 120 * need one per scheduling class (instead of a list) because we always 121 * process broadcasts one at a time, so no others can be started while 122 * waiting for this one. 123 */ 124 BroadcastRecord mPendingBroadcast = null; 125 126 /** 127 * The receiver index that is pending, to restart the broadcast if needed. 128 */ 129 int mPendingBroadcastRecvIndex; 130 131 static final int BROADCAST_INTENT_MSG = ActivityManagerService.FIRST_BROADCAST_QUEUE_MSG; 132 static final int BROADCAST_TIMEOUT_MSG = ActivityManagerService.FIRST_BROADCAST_QUEUE_MSG + 1; 133 134 final BroadcastHandler mHandler; 135 136 private final class BroadcastHandler extends Handler { 137 public BroadcastHandler(Looper looper) { 138 super(looper, null, true); 139 } 140 141 @Override 142 public void handleMessage(Message msg) { 143 switch (msg.what) { 144 case BROADCAST_INTENT_MSG: { 145 if (DEBUG_BROADCAST) Slog.v( 146 TAG_BROADCAST, "Received BROADCAST_INTENT_MSG"); 147 processNextBroadcast(true); 148 } break; 149 case BROADCAST_TIMEOUT_MSG: { 150 synchronized (mService) { 151 broadcastTimeoutLocked(true); 152 } 153 } break; 154 } 155 } 156 }; 157 158 private final class AppNotResponding implements Runnable { 159 private final ProcessRecord mApp; 160 private final String mAnnotation; 161 162 public AppNotResponding(ProcessRecord app, String annotation) { 163 mApp = app; 164 mAnnotation = annotation; 165 } 166 167 @Override 168 public void run() { 169 mService.appNotResponding(mApp, null, null, false, mAnnotation); 170 } 171 } 172 173 BroadcastQueue(ActivityManagerService service, Handler handler, 174 String name, long timeoutPeriod, boolean allowDelayBehindServices) { 175 mService = service; 176 mHandler = new BroadcastHandler(handler.getLooper()); 177 mQueueName = name; 178 mTimeoutPeriod = timeoutPeriod; 179 mDelayBehindServices = allowDelayBehindServices; 180 } 181 182 public boolean isPendingBroadcastProcessLocked(int pid) { 183 return mPendingBroadcast != null && mPendingBroadcast.curApp.pid == pid; 184 } 185 186 public void enqueueParallelBroadcastLocked(BroadcastRecord r) { 187 mParallelBroadcasts.add(r); 188 r.enqueueClockTime = System.currentTimeMillis(); 189 } 190 191 public void enqueueOrderedBroadcastLocked(BroadcastRecord r) { 192 mOrderedBroadcasts.add(r); 193 r.enqueueClockTime = System.currentTimeMillis(); 194 } 195 196 public final boolean replaceParallelBroadcastLocked(BroadcastRecord r) { 197 for (int i=mParallelBroadcasts.size()-1; i>=0; i--) { 198 if (r.intent.filterEquals(mParallelBroadcasts.get(i).intent)) { 199 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 200 "***** DROPPING PARALLEL [" 201 + mQueueName + "]: " + r.intent); 202 mParallelBroadcasts.set(i, r); 203 return true; 204 } 205 } 206 return false; 207 } 208 209 public final boolean replaceOrderedBroadcastLocked(BroadcastRecord r) { 210 for (int i=mOrderedBroadcasts.size()-1; i>0; i--) { 211 if (r.intent.filterEquals(mOrderedBroadcasts.get(i).intent)) { 212 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 213 "***** DROPPING ORDERED [" 214 + mQueueName + "]: " + r.intent); 215 mOrderedBroadcasts.set(i, r); 216 return true; 217 } 218 } 219 return false; 220 } 221 222 private final void processCurBroadcastLocked(BroadcastRecord r, 223 ProcessRecord app) throws RemoteException { 224 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 225 "Process cur broadcast " + r + " for app " + app); 226 if (app.thread == null) { 227 throw new RemoteException(); 228 } 229 r.receiver = app.thread.asBinder(); 230 r.curApp = app; 231 app.curReceiver = r; 232 app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_RECEIVER); 233 mService.updateLruProcessLocked(app, false, null); 234 mService.updateOomAdjLocked(); 235 236 // Tell the application to launch this receiver. 237 r.intent.setComponent(r.curComponent); 238 239 boolean started = false; 240 try { 241 if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG_BROADCAST, 242 "Delivering to component " + r.curComponent 243 + ": " + r); 244 mService.ensurePackageDexOpt(r.intent.getComponent().getPackageName()); 245 app.thread.scheduleReceiver(new Intent(r.intent), r.curReceiver, 246 mService.compatibilityInfoForPackageLocked(r.curReceiver.applicationInfo), 247 r.resultCode, r.resultData, r.resultExtras, r.ordered, r.userId, 248 app.repProcState); 249 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 250 "Process cur broadcast " + r + " DELIVERED for app " + app); 251 started = true; 252 } finally { 253 if (!started) { 254 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 255 "Process cur broadcast " + r + ": NOT STARTED!"); 256 r.receiver = null; 257 r.curApp = null; 258 app.curReceiver = null; 259 } 260 } 261 } 262 263 public boolean sendPendingBroadcastsLocked(ProcessRecord app) { 264 boolean didSomething = false; 265 final BroadcastRecord br = mPendingBroadcast; 266 if (br != null && br.curApp.pid == app.pid) { 267 try { 268 mPendingBroadcast = null; 269 processCurBroadcastLocked(br, app); 270 didSomething = true; 271 } catch (Exception e) { 272 Slog.w(TAG, "Exception in new application when starting receiver " 273 + br.curComponent.flattenToShortString(), e); 274 logBroadcastReceiverDiscardLocked(br); 275 finishReceiverLocked(br, br.resultCode, br.resultData, 276 br.resultExtras, br.resultAbort, false); 277 scheduleBroadcastsLocked(); 278 // We need to reset the state if we failed to start the receiver. 279 br.state = BroadcastRecord.IDLE; 280 throw new RuntimeException(e.getMessage()); 281 } 282 } 283 return didSomething; 284 } 285 286 public void skipPendingBroadcastLocked(int pid) { 287 final BroadcastRecord br = mPendingBroadcast; 288 if (br != null && br.curApp.pid == pid) { 289 br.state = BroadcastRecord.IDLE; 290 br.nextReceiver = mPendingBroadcastRecvIndex; 291 mPendingBroadcast = null; 292 scheduleBroadcastsLocked(); 293 } 294 } 295 296 public void skipCurrentReceiverLocked(ProcessRecord app) { 297 boolean reschedule = false; 298 BroadcastRecord r = app.curReceiver; 299 if (r != null && r.queue == this) { 300 // The current broadcast is waiting for this app's receiver 301 // to be finished. Looks like that's not going to happen, so 302 // let the broadcast continue. 303 logBroadcastReceiverDiscardLocked(r); 304 finishReceiverLocked(r, r.resultCode, r.resultData, 305 r.resultExtras, r.resultAbort, false); 306 reschedule = true; 307 } 308 309 r = mPendingBroadcast; 310 if (r != null && r.curApp == app) { 311 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 312 "[" + mQueueName + "] skip & discard pending app " + r); 313 logBroadcastReceiverDiscardLocked(r); 314 finishReceiverLocked(r, r.resultCode, r.resultData, 315 r.resultExtras, r.resultAbort, false); 316 reschedule = true; 317 } 318 if (reschedule) { 319 scheduleBroadcastsLocked(); 320 } 321 } 322 323 public void scheduleBroadcastsLocked() { 324 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, "Schedule broadcasts [" 325 + mQueueName + "]: current=" 326 + mBroadcastsScheduled); 327 328 if (mBroadcastsScheduled) { 329 return; 330 } 331 mHandler.sendMessage(mHandler.obtainMessage(BROADCAST_INTENT_MSG, this)); 332 mBroadcastsScheduled = true; 333 } 334 335 public BroadcastRecord getMatchingOrderedReceiver(IBinder receiver) { 336 if (mOrderedBroadcasts.size() > 0) { 337 final BroadcastRecord r = mOrderedBroadcasts.get(0); 338 if (r != null && r.receiver == receiver) { 339 return r; 340 } 341 } 342 return null; 343 } 344 345 public boolean finishReceiverLocked(BroadcastRecord r, int resultCode, 346 String resultData, Bundle resultExtras, boolean resultAbort, boolean waitForServices) { 347 final int state = r.state; 348 final ActivityInfo receiver = r.curReceiver; 349 r.state = BroadcastRecord.IDLE; 350 if (state == BroadcastRecord.IDLE) { 351 Slog.w(TAG, "finishReceiver [" + mQueueName + "] called but state is IDLE"); 352 } 353 r.receiver = null; 354 r.intent.setComponent(null); 355 if (r.curApp != null && r.curApp.curReceiver == r) { 356 r.curApp.curReceiver = null; 357 } 358 if (r.curFilter != null) { 359 r.curFilter.receiverList.curBroadcast = null; 360 } 361 r.curFilter = null; 362 r.curReceiver = null; 363 r.curApp = null; 364 mPendingBroadcast = null; 365 366 r.resultCode = resultCode; 367 r.resultData = resultData; 368 r.resultExtras = resultExtras; 369 if (resultAbort && (r.intent.getFlags()&Intent.FLAG_RECEIVER_NO_ABORT) == 0) { 370 r.resultAbort = resultAbort; 371 } else { 372 r.resultAbort = false; 373 } 374 375 if (waitForServices && r.curComponent != null && r.queue.mDelayBehindServices 376 && r.queue.mOrderedBroadcasts.size() > 0 377 && r.queue.mOrderedBroadcasts.get(0) == r) { 378 ActivityInfo nextReceiver; 379 if (r.nextReceiver < r.receivers.size()) { 380 Object obj = r.receivers.get(r.nextReceiver); 381 nextReceiver = (obj instanceof ActivityInfo) ? (ActivityInfo)obj : null; 382 } else { 383 nextReceiver = null; 384 } 385 // Don't do this if the next receive is in the same process as the current one. 386 if (receiver == null || nextReceiver == null 387 || receiver.applicationInfo.uid != nextReceiver.applicationInfo.uid 388 || !receiver.processName.equals(nextReceiver.processName)) { 389 // In this case, we are ready to process the next receiver for the current broadcast, 390 // but are on a queue that would like to wait for services to finish before moving 391 // on. If there are background services currently starting, then we will go into a 392 // special state where we hold off on continuing this broadcast until they are done. 393 if (mService.mServices.hasBackgroundServices(r.userId)) { 394 Slog.i(TAG, "Delay finish: " + r.curComponent.flattenToShortString()); 395 r.state = BroadcastRecord.WAITING_SERVICES; 396 return false; 397 } 398 } 399 } 400 401 r.curComponent = null; 402 403 // We will process the next receiver right now if this is finishing 404 // an app receiver (which is always asynchronous) or after we have 405 // come back from calling a receiver. 406 return state == BroadcastRecord.APP_RECEIVE 407 || state == BroadcastRecord.CALL_DONE_RECEIVE; 408 } 409 410 public void backgroundServicesFinishedLocked(int userId) { 411 if (mOrderedBroadcasts.size() > 0) { 412 BroadcastRecord br = mOrderedBroadcasts.get(0); 413 if (br.userId == userId && br.state == BroadcastRecord.WAITING_SERVICES) { 414 Slog.i(TAG, "Resuming delayed broadcast"); 415 br.curComponent = null; 416 br.state = BroadcastRecord.IDLE; 417 processNextBroadcast(false); 418 } 419 } 420 } 421 422 private static void performReceiveLocked(ProcessRecord app, IIntentReceiver receiver, 423 Intent intent, int resultCode, String data, Bundle extras, 424 boolean ordered, boolean sticky, int sendingUser) throws RemoteException { 425 // Send the intent to the receiver asynchronously using one-way binder calls. 426 if (app != null) { 427 if (app.thread != null) { 428 // If we have an app thread, do the call through that so it is 429 // correctly ordered with other one-way calls. 430 app.thread.scheduleRegisteredReceiver(receiver, intent, resultCode, 431 data, extras, ordered, sticky, sendingUser, app.repProcState); 432 } else { 433 // Application has died. Receiver doesn't exist. 434 throw new RemoteException("app.thread must not be null"); 435 } 436 } else { 437 receiver.performReceive(intent, resultCode, data, extras, ordered, 438 sticky, sendingUser); 439 } 440 } 441 442 private final void deliverToRegisteredReceiverLocked(BroadcastRecord r, 443 BroadcastFilter filter, boolean ordered) { 444 boolean skip = false; 445 if (filter.requiredPermission != null) { 446 int perm = mService.checkComponentPermission(filter.requiredPermission, 447 r.callingPid, r.callingUid, -1, true); 448 if (perm != PackageManager.PERMISSION_GRANTED) { 449 Slog.w(TAG, "Permission Denial: broadcasting " 450 + r.intent.toString() 451 + " from " + r.callerPackage + " (pid=" 452 + r.callingPid + ", uid=" + r.callingUid + ")" 453 + " requires " + filter.requiredPermission 454 + " due to registered receiver " + filter); 455 skip = true; 456 } 457 } 458 if (!skip && r.requiredPermission != null) { 459 int perm = mService.checkComponentPermission(r.requiredPermission, 460 filter.receiverList.pid, filter.receiverList.uid, -1, true); 461 if (perm != PackageManager.PERMISSION_GRANTED) { 462 Slog.w(TAG, "Permission Denial: receiving " 463 + r.intent.toString() 464 + " to " + filter.receiverList.app 465 + " (pid=" + filter.receiverList.pid 466 + ", uid=" + filter.receiverList.uid + ")" 467 + " requires " + r.requiredPermission 468 + " due to sender " + r.callerPackage 469 + " (uid " + r.callingUid + ")"); 470 skip = true; 471 } 472 } 473 if (r.appOp != AppOpsManager.OP_NONE) { 474 int mode = mService.mAppOpsService.noteOperation(r.appOp, 475 filter.receiverList.uid, filter.packageName); 476 if (mode != AppOpsManager.MODE_ALLOWED) { 477 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 478 "App op " + r.appOp + " not allowed for broadcast to uid " 479 + filter.receiverList.uid + " pkg " + filter.packageName); 480 skip = true; 481 } 482 } 483 if (!skip) { 484 skip = !mService.mIntentFirewall.checkBroadcast(r.intent, r.callingUid, 485 r.callingPid, r.resolvedType, filter.receiverList.uid); 486 } 487 488 if (filter.receiverList.app == null || filter.receiverList.app.crashing) { 489 Slog.w(TAG, "Skipping deliver [" + mQueueName + "] " + r 490 + " to " + filter.receiverList + ": process crashing"); 491 skip = true; 492 } 493 494 if (!skip) { 495 // If this is not being sent as an ordered broadcast, then we 496 // don't want to touch the fields that keep track of the current 497 // state of ordered broadcasts. 498 if (ordered) { 499 r.receiver = filter.receiverList.receiver.asBinder(); 500 r.curFilter = filter; 501 filter.receiverList.curBroadcast = r; 502 r.state = BroadcastRecord.CALL_IN_RECEIVE; 503 if (filter.receiverList.app != null) { 504 // Bump hosting application to no longer be in background 505 // scheduling class. Note that we can't do that if there 506 // isn't an app... but we can only be in that case for 507 // things that directly call the IActivityManager API, which 508 // are already core system stuff so don't matter for this. 509 r.curApp = filter.receiverList.app; 510 filter.receiverList.app.curReceiver = r; 511 mService.updateOomAdjLocked(r.curApp); 512 } 513 } 514 try { 515 if (DEBUG_BROADCAST_LIGHT) Slog.i(TAG_BROADCAST, "Delivering to " + filter + " : " + r); 516 performReceiveLocked(filter.receiverList.app, filter.receiverList.receiver, 517 new Intent(r.intent), r.resultCode, r.resultData, 518 r.resultExtras, r.ordered, r.initialSticky, r.userId); 519 if (ordered) { 520 r.state = BroadcastRecord.CALL_DONE_RECEIVE; 521 } 522 } catch (RemoteException e) { 523 Slog.w(TAG, "Failure sending broadcast " + r.intent, e); 524 if (ordered) { 525 r.receiver = null; 526 r.curFilter = null; 527 filter.receiverList.curBroadcast = null; 528 if (filter.receiverList.app != null) { 529 filter.receiverList.app.curReceiver = null; 530 } 531 } 532 } 533 } 534 } 535 536 final void processNextBroadcast(boolean fromMsg) { 537 synchronized(mService) { 538 BroadcastRecord r; 539 540 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, "processNextBroadcast [" 541 + mQueueName + "]: " 542 + mParallelBroadcasts.size() + " broadcasts, " 543 + mOrderedBroadcasts.size() + " ordered broadcasts"); 544 545 mService.updateCpuStats(); 546 547 if (fromMsg) { 548 mBroadcastsScheduled = false; 549 } 550 551 // First, deliver any non-serialized broadcasts right away. 552 while (mParallelBroadcasts.size() > 0) { 553 r = mParallelBroadcasts.remove(0); 554 r.dispatchTime = SystemClock.uptimeMillis(); 555 r.dispatchClockTime = System.currentTimeMillis(); 556 final int N = r.receivers.size(); 557 if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG_BROADCAST, "Processing parallel broadcast [" 558 + mQueueName + "] " + r); 559 for (int i=0; i<N; i++) { 560 Object target = r.receivers.get(i); 561 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 562 "Delivering non-ordered on [" + mQueueName + "] to registered " 563 + target + ": " + r); 564 deliverToRegisteredReceiverLocked(r, (BroadcastFilter)target, false); 565 } 566 addBroadcastToHistoryLocked(r); 567 if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG_BROADCAST, "Done with parallel broadcast [" 568 + mQueueName + "] " + r); 569 } 570 571 // Now take care of the next serialized one... 572 573 // If we are waiting for a process to come up to handle the next 574 // broadcast, then do nothing at this point. Just in case, we 575 // check that the process we're waiting for still exists. 576 if (mPendingBroadcast != null) { 577 if (DEBUG_BROADCAST_LIGHT) { 578 Slog.v(TAG_BROADCAST, "processNextBroadcast [" 579 + mQueueName + "]: waiting for " 580 + mPendingBroadcast.curApp); 581 } 582 583 boolean isDead; 584 synchronized (mService.mPidsSelfLocked) { 585 ProcessRecord proc = mService.mPidsSelfLocked.get(mPendingBroadcast.curApp.pid); 586 isDead = proc == null || proc.crashing; 587 } 588 if (!isDead) { 589 // It's still alive, so keep waiting 590 return; 591 } else { 592 Slog.w(TAG, "pending app [" 593 + mQueueName + "]" + mPendingBroadcast.curApp 594 + " died before responding to broadcast"); 595 mPendingBroadcast.state = BroadcastRecord.IDLE; 596 mPendingBroadcast.nextReceiver = mPendingBroadcastRecvIndex; 597 mPendingBroadcast = null; 598 } 599 } 600 601 boolean looped = false; 602 603 do { 604 if (mOrderedBroadcasts.size() == 0) { 605 // No more broadcasts pending, so all done! 606 mService.scheduleAppGcsLocked(); 607 if (looped) { 608 // If we had finished the last ordered broadcast, then 609 // make sure all processes have correct oom and sched 610 // adjustments. 611 mService.updateOomAdjLocked(); 612 } 613 return; 614 } 615 r = mOrderedBroadcasts.get(0); 616 boolean forceReceive = false; 617 618 // Ensure that even if something goes awry with the timeout 619 // detection, we catch "hung" broadcasts here, discard them, 620 // and continue to make progress. 621 // 622 // This is only done if the system is ready so that PRE_BOOT_COMPLETED 623 // receivers don't get executed with timeouts. They're intended for 624 // one time heavy lifting after system upgrades and can take 625 // significant amounts of time. 626 int numReceivers = (r.receivers != null) ? r.receivers.size() : 0; 627 if (mService.mProcessesReady && r.dispatchTime > 0) { 628 long now = SystemClock.uptimeMillis(); 629 if ((numReceivers > 0) && 630 (now > r.dispatchTime + (2*mTimeoutPeriod*numReceivers))) { 631 Slog.w(TAG, "Hung broadcast [" 632 + mQueueName + "] discarded after timeout failure:" 633 + " now=" + now 634 + " dispatchTime=" + r.dispatchTime 635 + " startTime=" + r.receiverTime 636 + " intent=" + r.intent 637 + " numReceivers=" + numReceivers 638 + " nextReceiver=" + r.nextReceiver 639 + " state=" + r.state); 640 broadcastTimeoutLocked(false); // forcibly finish this broadcast 641 forceReceive = true; 642 r.state = BroadcastRecord.IDLE; 643 } 644 } 645 646 if (r.state != BroadcastRecord.IDLE) { 647 if (DEBUG_BROADCAST) Slog.d(TAG_BROADCAST, 648 "processNextBroadcast(" 649 + mQueueName + ") called when not idle (state=" 650 + r.state + ")"); 651 return; 652 } 653 654 if (r.receivers == null || r.nextReceiver >= numReceivers 655 || r.resultAbort || forceReceive) { 656 // No more receivers for this broadcast! Send the final 657 // result if requested... 658 if (r.resultTo != null) { 659 try { 660 if (DEBUG_BROADCAST) Slog.i(TAG_BROADCAST, 661 "Finishing broadcast [" + mQueueName + "] " 662 + r.intent.getAction() + " app=" + r.callerApp); 663 performReceiveLocked(r.callerApp, r.resultTo, 664 new Intent(r.intent), r.resultCode, 665 r.resultData, r.resultExtras, false, false, r.userId); 666 // Set this to null so that the reference 667 // (local and remote) isn't kept in the mBroadcastHistory. 668 r.resultTo = null; 669 } catch (RemoteException e) { 670 r.resultTo = null; 671 Slog.w(TAG, "Failure [" 672 + mQueueName + "] sending broadcast result of " 673 + r.intent, e); 674 } 675 } 676 677 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, "Cancelling BROADCAST_TIMEOUT_MSG"); 678 cancelBroadcastTimeoutLocked(); 679 680 if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG_BROADCAST, "Finished with ordered broadcast " 681 + r); 682 683 // ... and on to the next... 684 addBroadcastToHistoryLocked(r); 685 mOrderedBroadcasts.remove(0); 686 r = null; 687 looped = true; 688 continue; 689 } 690 } while (r == null); 691 692 // Get the next receiver... 693 int recIdx = r.nextReceiver++; 694 695 // Keep track of when this receiver started, and make sure there 696 // is a timeout message pending to kill it if need be. 697 r.receiverTime = SystemClock.uptimeMillis(); 698 if (recIdx == 0) { 699 r.dispatchTime = r.receiverTime; 700 r.dispatchClockTime = System.currentTimeMillis(); 701 if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG_BROADCAST, "Processing ordered broadcast [" 702 + mQueueName + "] " + r); 703 } 704 if (! mPendingBroadcastTimeoutMessage) { 705 long timeoutTime = r.receiverTime + mTimeoutPeriod; 706 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 707 "Submitting BROADCAST_TIMEOUT_MSG [" 708 + mQueueName + "] for " + r + " at " + timeoutTime); 709 setBroadcastTimeoutLocked(timeoutTime); 710 } 711 712 Object nextReceiver = r.receivers.get(recIdx); 713 if (nextReceiver instanceof BroadcastFilter) { 714 // Simple case: this is a registered receiver who gets 715 // a direct call. 716 BroadcastFilter filter = (BroadcastFilter)nextReceiver; 717 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 718 "Delivering ordered [" 719 + mQueueName + "] to registered " 720 + filter + ": " + r); 721 deliverToRegisteredReceiverLocked(r, filter, r.ordered); 722 if (r.receiver == null || !r.ordered) { 723 // The receiver has already finished, so schedule to 724 // process the next one. 725 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, "Quick finishing [" 726 + mQueueName + "]: ordered=" 727 + r.ordered + " receiver=" + r.receiver); 728 r.state = BroadcastRecord.IDLE; 729 scheduleBroadcastsLocked(); 730 } 731 return; 732 } 733 734 // Hard case: need to instantiate the receiver, possibly 735 // starting its application process to host it. 736 737 ResolveInfo info = 738 (ResolveInfo)nextReceiver; 739 ComponentName component = new ComponentName( 740 info.activityInfo.applicationInfo.packageName, 741 info.activityInfo.name); 742 743 boolean skip = false; 744 int perm = mService.checkComponentPermission(info.activityInfo.permission, 745 r.callingPid, r.callingUid, info.activityInfo.applicationInfo.uid, 746 info.activityInfo.exported); 747 if (perm != PackageManager.PERMISSION_GRANTED) { 748 if (!info.activityInfo.exported) { 749 Slog.w(TAG, "Permission Denial: broadcasting " 750 + r.intent.toString() 751 + " from " + r.callerPackage + " (pid=" + r.callingPid 752 + ", uid=" + r.callingUid + ")" 753 + " is not exported from uid " + info.activityInfo.applicationInfo.uid 754 + " due to receiver " + component.flattenToShortString()); 755 } else { 756 Slog.w(TAG, "Permission Denial: broadcasting " 757 + r.intent.toString() 758 + " from " + r.callerPackage + " (pid=" + r.callingPid 759 + ", uid=" + r.callingUid + ")" 760 + " requires " + info.activityInfo.permission 761 + " due to receiver " + component.flattenToShortString()); 762 } 763 skip = true; 764 } 765 if (info.activityInfo.applicationInfo.uid != Process.SYSTEM_UID && 766 r.requiredPermission != null) { 767 try { 768 perm = AppGlobals.getPackageManager(). 769 checkPermission(r.requiredPermission, 770 info.activityInfo.applicationInfo.packageName); 771 } catch (RemoteException e) { 772 perm = PackageManager.PERMISSION_DENIED; 773 } 774 if (perm != PackageManager.PERMISSION_GRANTED) { 775 Slog.w(TAG, "Permission Denial: receiving " 776 + r.intent + " to " 777 + component.flattenToShortString() 778 + " requires " + r.requiredPermission 779 + " due to sender " + r.callerPackage 780 + " (uid " + r.callingUid + ")"); 781 skip = true; 782 } 783 } 784 if (r.appOp != AppOpsManager.OP_NONE) { 785 int mode = mService.mAppOpsService.noteOperation(r.appOp, 786 info.activityInfo.applicationInfo.uid, info.activityInfo.packageName); 787 if (mode != AppOpsManager.MODE_ALLOWED) { 788 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 789 "App op " + r.appOp + " not allowed for broadcast to uid " 790 + info.activityInfo.applicationInfo.uid + " pkg " 791 + info.activityInfo.packageName); 792 skip = true; 793 } 794 } 795 if (!skip) { 796 skip = !mService.mIntentFirewall.checkBroadcast(r.intent, r.callingUid, 797 r.callingPid, r.resolvedType, info.activityInfo.applicationInfo.uid); 798 } 799 boolean isSingleton = false; 800 try { 801 isSingleton = mService.isSingleton(info.activityInfo.processName, 802 info.activityInfo.applicationInfo, 803 info.activityInfo.name, info.activityInfo.flags); 804 } catch (SecurityException e) { 805 Slog.w(TAG, e.getMessage()); 806 skip = true; 807 } 808 if ((info.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { 809 if (ActivityManager.checkUidPermission( 810 android.Manifest.permission.INTERACT_ACROSS_USERS, 811 info.activityInfo.applicationInfo.uid) 812 != PackageManager.PERMISSION_GRANTED) { 813 Slog.w(TAG, "Permission Denial: Receiver " + component.flattenToShortString() 814 + " requests FLAG_SINGLE_USER, but app does not hold " 815 + android.Manifest.permission.INTERACT_ACROSS_USERS); 816 skip = true; 817 } 818 } 819 if (r.curApp != null && r.curApp.crashing) { 820 // If the target process is crashing, just skip it. 821 Slog.w(TAG, "Skipping deliver ordered [" + mQueueName + "] " + r 822 + " to " + r.curApp + ": process crashing"); 823 skip = true; 824 } 825 if (!skip) { 826 boolean isAvailable = false; 827 try { 828 isAvailable = AppGlobals.getPackageManager().isPackageAvailable( 829 info.activityInfo.packageName, 830 UserHandle.getUserId(info.activityInfo.applicationInfo.uid)); 831 } catch (Exception e) { 832 // all such failures mean we skip this receiver 833 Slog.w(TAG, "Exception getting recipient info for " 834 + info.activityInfo.packageName, e); 835 } 836 if (!isAvailable) { 837 if (DEBUG_BROADCAST) { 838 Slog.v(TAG_BROADCAST, "Skipping delivery to " + info.activityInfo.packageName 839 + " / " + info.activityInfo.applicationInfo.uid 840 + " : package no longer available"); 841 } 842 skip = true; 843 } 844 } 845 846 if (skip) { 847 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 848 "Skipping delivery of ordered [" 849 + mQueueName + "] " + r + " for whatever reason"); 850 r.receiver = null; 851 r.curFilter = null; 852 r.state = BroadcastRecord.IDLE; 853 scheduleBroadcastsLocked(); 854 return; 855 } 856 857 r.state = BroadcastRecord.APP_RECEIVE; 858 String targetProcess = info.activityInfo.processName; 859 r.curComponent = component; 860 final int receiverUid = info.activityInfo.applicationInfo.uid; 861 // If it's a singleton, it needs to be the same app or a special app 862 if (r.callingUid != Process.SYSTEM_UID && isSingleton 863 && mService.isValidSingletonCall(r.callingUid, receiverUid)) { 864 info.activityInfo = mService.getActivityInfoForUser(info.activityInfo, 0); 865 } 866 r.curReceiver = info.activityInfo; 867 if (DEBUG_MU && r.callingUid > UserHandle.PER_USER_RANGE) { 868 Slog.v(TAG_MU, "Updated broadcast record activity info for secondary user, " 869 + info.activityInfo + ", callingUid = " + r.callingUid + ", uid = " 870 + info.activityInfo.applicationInfo.uid); 871 } 872 873 // Broadcast is being executed, its package can't be stopped. 874 try { 875 AppGlobals.getPackageManager().setPackageStoppedState( 876 r.curComponent.getPackageName(), false, UserHandle.getUserId(r.callingUid)); 877 } catch (RemoteException e) { 878 } catch (IllegalArgumentException e) { 879 Slog.w(TAG, "Failed trying to unstop package " 880 + r.curComponent.getPackageName() + ": " + e); 881 } 882 883 // Is this receiver's application already running? 884 ProcessRecord app = mService.getProcessRecordLocked(targetProcess, 885 info.activityInfo.applicationInfo.uid, false); 886 if (app != null && app.thread != null) { 887 try { 888 app.addPackage(info.activityInfo.packageName, 889 info.activityInfo.applicationInfo.versionCode, mService.mProcessStats); 890 processCurBroadcastLocked(r, app); 891 return; 892 } catch (RemoteException e) { 893 Slog.w(TAG, "Exception when sending broadcast to " 894 + r.curComponent, e); 895 } catch (RuntimeException e) { 896 Slog.wtf(TAG, "Failed sending broadcast to " 897 + r.curComponent + " with " + r.intent, e); 898 // If some unexpected exception happened, just skip 899 // this broadcast. At this point we are not in the call 900 // from a client, so throwing an exception out from here 901 // will crash the entire system instead of just whoever 902 // sent the broadcast. 903 logBroadcastReceiverDiscardLocked(r); 904 finishReceiverLocked(r, r.resultCode, r.resultData, 905 r.resultExtras, r.resultAbort, false); 906 scheduleBroadcastsLocked(); 907 // We need to reset the state if we failed to start the receiver. 908 r.state = BroadcastRecord.IDLE; 909 return; 910 } 911 912 // If a dead object exception was thrown -- fall through to 913 // restart the application. 914 } 915 916 // Not running -- get it started, to be executed when the app comes up. 917 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 918 "Need to start app [" 919 + mQueueName + "] " + targetProcess + " for broadcast " + r); 920 if ((r.curApp=mService.startProcessLocked(targetProcess, 921 info.activityInfo.applicationInfo, true, 922 r.intent.getFlags() | Intent.FLAG_FROM_BACKGROUND, 923 "broadcast", r.curComponent, 924 (r.intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0, false, false)) 925 == null) { 926 // Ah, this recipient is unavailable. Finish it if necessary, 927 // and mark the broadcast record as ready for the next. 928 Slog.w(TAG, "Unable to launch app " 929 + info.activityInfo.applicationInfo.packageName + "/" 930 + info.activityInfo.applicationInfo.uid + " for broadcast " 931 + r.intent + ": process is bad"); 932 logBroadcastReceiverDiscardLocked(r); 933 finishReceiverLocked(r, r.resultCode, r.resultData, 934 r.resultExtras, r.resultAbort, false); 935 scheduleBroadcastsLocked(); 936 r.state = BroadcastRecord.IDLE; 937 return; 938 } 939 940 mPendingBroadcast = r; 941 mPendingBroadcastRecvIndex = recIdx; 942 } 943 } 944 945 final void setBroadcastTimeoutLocked(long timeoutTime) { 946 if (! mPendingBroadcastTimeoutMessage) { 947 Message msg = mHandler.obtainMessage(BROADCAST_TIMEOUT_MSG, this); 948 mHandler.sendMessageAtTime(msg, timeoutTime); 949 mPendingBroadcastTimeoutMessage = true; 950 } 951 } 952 953 final void cancelBroadcastTimeoutLocked() { 954 if (mPendingBroadcastTimeoutMessage) { 955 mHandler.removeMessages(BROADCAST_TIMEOUT_MSG, this); 956 mPendingBroadcastTimeoutMessage = false; 957 } 958 } 959 960 final void broadcastTimeoutLocked(boolean fromMsg) { 961 if (fromMsg) { 962 mPendingBroadcastTimeoutMessage = false; 963 } 964 965 if (mOrderedBroadcasts.size() == 0) { 966 return; 967 } 968 969 long now = SystemClock.uptimeMillis(); 970 BroadcastRecord r = mOrderedBroadcasts.get(0); 971 if (fromMsg) { 972 if (mService.mDidDexOpt) { 973 // Delay timeouts until dexopt finishes. 974 mService.mDidDexOpt = false; 975 long timeoutTime = SystemClock.uptimeMillis() + mTimeoutPeriod; 976 setBroadcastTimeoutLocked(timeoutTime); 977 return; 978 } 979 if (!mService.mProcessesReady) { 980 // Only process broadcast timeouts if the system is ready. That way 981 // PRE_BOOT_COMPLETED broadcasts can't timeout as they are intended 982 // to do heavy lifting for system up. 983 return; 984 } 985 986 long timeoutTime = r.receiverTime + mTimeoutPeriod; 987 if (timeoutTime > now) { 988 // We can observe premature timeouts because we do not cancel and reset the 989 // broadcast timeout message after each receiver finishes. Instead, we set up 990 // an initial timeout then kick it down the road a little further as needed 991 // when it expires. 992 if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, 993 "Premature timeout [" 994 + mQueueName + "] @ " + now + ": resetting BROADCAST_TIMEOUT_MSG for " 995 + timeoutTime); 996 setBroadcastTimeoutLocked(timeoutTime); 997 return; 998 } 999 } 1000 1001 BroadcastRecord br = mOrderedBroadcasts.get(0); 1002 if (br.state == BroadcastRecord.WAITING_SERVICES) { 1003 // In this case the broadcast had already finished, but we had decided to wait 1004 // for started services to finish as well before going on. So if we have actually 1005 // waited long enough time timeout the broadcast, let's give up on the whole thing 1006 // and just move on to the next. 1007 Slog.i(TAG, "Waited long enough for: " + (br.curComponent != null 1008 ? br.curComponent.flattenToShortString() : "(null)")); 1009 br.curComponent = null; 1010 br.state = BroadcastRecord.IDLE; 1011 processNextBroadcast(false); 1012 return; 1013 } 1014 1015 Slog.w(TAG, "Timeout of broadcast " + r + " - receiver=" + r. receiver 1016 + ", started " + (now - r.receiverTime) + "ms ago"); 1017 r.receiverTime = now; 1018 r.anrCount++; 1019 1020 // Current receiver has passed its expiration date. 1021 if (r.nextReceiver <= 0) { 1022 Slog.w(TAG, "Timeout on receiver with nextReceiver <= 0"); 1023 return; 1024 } 1025 1026 ProcessRecord app = null; 1027 String anrMessage = null; 1028 1029 Object curReceiver = r.receivers.get(r.nextReceiver-1); 1030 Slog.w(TAG, "Receiver during timeout: " + curReceiver); 1031 logBroadcastReceiverDiscardLocked(r); 1032 if (curReceiver instanceof BroadcastFilter) { 1033 BroadcastFilter bf = (BroadcastFilter)curReceiver; 1034 if (bf.receiverList.pid != 0 1035 && bf.receiverList.pid != ActivityManagerService.MY_PID) { 1036 synchronized (mService.mPidsSelfLocked) { 1037 app = mService.mPidsSelfLocked.get( 1038 bf.receiverList.pid); 1039 } 1040 } 1041 } else { 1042 app = r.curApp; 1043 } 1044 1045 if (app != null) { 1046 anrMessage = "Broadcast of " + r.intent.toString(); 1047 } 1048 1049 if (mPendingBroadcast == r) { 1050 mPendingBroadcast = null; 1051 } 1052 1053 // Move on to the next receiver. 1054 finishReceiverLocked(r, r.resultCode, r.resultData, 1055 r.resultExtras, r.resultAbort, false); 1056 scheduleBroadcastsLocked(); 1057 1058 if (anrMessage != null) { 1059 // Post the ANR to the handler since we do not want to process ANRs while 1060 // potentially holding our lock. 1061 mHandler.post(new AppNotResponding(app, anrMessage)); 1062 } 1063 } 1064 1065 private final void addBroadcastToHistoryLocked(BroadcastRecord r) { 1066 if (r.callingUid < 0) { 1067 // This was from a registerReceiver() call; ignore it. 1068 return; 1069 } 1070 System.arraycopy(mBroadcastHistory, 0, mBroadcastHistory, 1, 1071 MAX_BROADCAST_HISTORY-1); 1072 r.finishTime = SystemClock.uptimeMillis(); 1073 mBroadcastHistory[0] = r; 1074 System.arraycopy(mBroadcastSummaryHistory, 0, mBroadcastSummaryHistory, 1, 1075 MAX_BROADCAST_SUMMARY_HISTORY-1); 1076 mBroadcastSummaryHistory[0] = r.intent; 1077 } 1078 1079 final void logBroadcastReceiverDiscardLocked(BroadcastRecord r) { 1080 if (r.nextReceiver > 0) { 1081 Object curReceiver = r.receivers.get(r.nextReceiver-1); 1082 if (curReceiver instanceof BroadcastFilter) { 1083 BroadcastFilter bf = (BroadcastFilter) curReceiver; 1084 EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_FILTER, 1085 bf.owningUserId, System.identityHashCode(r), 1086 r.intent.getAction(), 1087 r.nextReceiver - 1, 1088 System.identityHashCode(bf)); 1089 } else { 1090 ResolveInfo ri = (ResolveInfo)curReceiver; 1091 EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP, 1092 UserHandle.getUserId(ri.activityInfo.applicationInfo.uid), 1093 System.identityHashCode(r), r.intent.getAction(), 1094 r.nextReceiver - 1, ri.toString()); 1095 } 1096 } else { 1097 Slog.w(TAG, "Discarding broadcast before first receiver is invoked: " 1098 + r); 1099 EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP, 1100 -1, System.identityHashCode(r), 1101 r.intent.getAction(), 1102 r.nextReceiver, 1103 "NONE"); 1104 } 1105 } 1106 1107 final boolean dumpLocked(FileDescriptor fd, PrintWriter pw, String[] args, 1108 int opti, boolean dumpAll, String dumpPackage, boolean needSep) { 1109 if (mParallelBroadcasts.size() > 0 || mOrderedBroadcasts.size() > 0 1110 || mPendingBroadcast != null) { 1111 boolean printed = false; 1112 for (int i=mParallelBroadcasts.size()-1; i>=0; i--) { 1113 BroadcastRecord br = mParallelBroadcasts.get(i); 1114 if (dumpPackage != null && !dumpPackage.equals(br.callerPackage)) { 1115 continue; 1116 } 1117 if (!printed) { 1118 if (needSep) { 1119 pw.println(); 1120 } 1121 needSep = true; 1122 printed = true; 1123 pw.println(" Active broadcasts [" + mQueueName + "]:"); 1124 } 1125 pw.println(" Active Broadcast " + mQueueName + " #" + i + ":"); 1126 br.dump(pw, " "); 1127 } 1128 printed = false; 1129 needSep = true; 1130 for (int i=mOrderedBroadcasts.size()-1; i>=0; i--) { 1131 BroadcastRecord br = mOrderedBroadcasts.get(i); 1132 if (dumpPackage != null && !dumpPackage.equals(br.callerPackage)) { 1133 continue; 1134 } 1135 if (!printed) { 1136 if (needSep) { 1137 pw.println(); 1138 } 1139 needSep = true; 1140 printed = true; 1141 pw.println(" Active ordered broadcasts [" + mQueueName + "]:"); 1142 } 1143 pw.println(" Active Ordered Broadcast " + mQueueName + " #" + i + ":"); 1144 mOrderedBroadcasts.get(i).dump(pw, " "); 1145 } 1146 if (dumpPackage == null || (mPendingBroadcast != null 1147 && dumpPackage.equals(mPendingBroadcast.callerPackage))) { 1148 if (needSep) { 1149 pw.println(); 1150 } 1151 pw.println(" Pending broadcast [" + mQueueName + "]:"); 1152 if (mPendingBroadcast != null) { 1153 mPendingBroadcast.dump(pw, " "); 1154 } else { 1155 pw.println(" (null)"); 1156 } 1157 needSep = true; 1158 } 1159 } 1160 1161 int i; 1162 boolean printed = false; 1163 for (i=0; i<MAX_BROADCAST_HISTORY; i++) { 1164 BroadcastRecord r = mBroadcastHistory[i]; 1165 if (r == null) { 1166 break; 1167 } 1168 if (dumpPackage != null && !dumpPackage.equals(r.callerPackage)) { 1169 continue; 1170 } 1171 if (!printed) { 1172 if (needSep) { 1173 pw.println(); 1174 } 1175 needSep = true; 1176 pw.println(" Historical broadcasts [" + mQueueName + "]:"); 1177 printed = true; 1178 } 1179 if (dumpAll) { 1180 pw.print(" Historical Broadcast " + mQueueName + " #"); 1181 pw.print(i); pw.println(":"); 1182 r.dump(pw, " "); 1183 } else { 1184 pw.print(" #"); pw.print(i); pw.print(": "); pw.println(r); 1185 pw.print(" "); 1186 pw.println(r.intent.toShortString(false, true, true, false)); 1187 if (r.targetComp != null && r.targetComp != r.intent.getComponent()) { 1188 pw.print(" targetComp: "); pw.println(r.targetComp.toShortString()); 1189 } 1190 Bundle bundle = r.intent.getExtras(); 1191 if (bundle != null) { 1192 pw.print(" extras: "); pw.println(bundle.toString()); 1193 } 1194 } 1195 } 1196 1197 if (dumpPackage == null) { 1198 if (dumpAll) { 1199 i = 0; 1200 printed = false; 1201 } 1202 for (; i<MAX_BROADCAST_SUMMARY_HISTORY; i++) { 1203 Intent intent = mBroadcastSummaryHistory[i]; 1204 if (intent == null) { 1205 break; 1206 } 1207 if (!printed) { 1208 if (needSep) { 1209 pw.println(); 1210 } 1211 needSep = true; 1212 pw.println(" Historical broadcasts summary [" + mQueueName + "]:"); 1213 printed = true; 1214 } 1215 if (!dumpAll && i >= 50) { 1216 pw.println(" ..."); 1217 break; 1218 } 1219 pw.print(" #"); pw.print(i); pw.print(": "); 1220 pw.println(intent.toShortString(false, true, true, false)); 1221 Bundle bundle = intent.getExtras(); 1222 if (bundle != null) { 1223 pw.print(" extras: "); pw.println(bundle.toString()); 1224 } 1225 } 1226 } 1227 1228 return needSep; 1229 } 1230} 1231