ActiveServices.java revision c2f6f947b6f3ebc5df5ac0a3d2c9f959b9c5e6c5
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.IOException; 21import java.io.PrintWriter; 22import java.util.ArrayList; 23import java.util.HashSet; 24import java.util.Iterator; 25import java.util.List; 26 27import android.os.Build; 28import android.os.DeadObjectException; 29import android.os.Handler; 30import android.os.Looper; 31import android.os.SystemProperties; 32import android.util.ArrayMap; 33import android.util.ArraySet; 34import com.android.internal.app.ProcessMap; 35import com.android.internal.app.ProcessStats; 36import com.android.internal.os.BatteryStatsImpl; 37import com.android.internal.os.TransferPipe; 38import com.android.server.am.ActivityManagerService.ItemMatcher; 39import com.android.server.am.ActivityManagerService.NeededUriGrants; 40 41import android.app.ActivityManager; 42import android.app.AppGlobals; 43import android.app.IApplicationThread; 44import android.app.IServiceConnection; 45import android.app.Notification; 46import android.app.PendingIntent; 47import android.app.Service; 48import android.content.ComponentName; 49import android.content.Context; 50import android.content.Intent; 51import android.content.pm.ApplicationInfo; 52import android.content.pm.PackageManager; 53import android.content.pm.ResolveInfo; 54import android.content.pm.ServiceInfo; 55import android.os.Binder; 56import android.os.IBinder; 57import android.os.Message; 58import android.os.Process; 59import android.os.RemoteException; 60import android.os.SystemClock; 61import android.os.UserHandle; 62import android.util.EventLog; 63import android.util.Slog; 64import android.util.SparseArray; 65import android.util.TimeUtils; 66 67public final class ActiveServices { 68 static final boolean DEBUG_SERVICE = ActivityManagerService.DEBUG_SERVICE; 69 static final boolean DEBUG_SERVICE_EXECUTING = ActivityManagerService.DEBUG_SERVICE_EXECUTING; 70 static final boolean DEBUG_DELAYED_SERVICE = ActivityManagerService.DEBUG_SERVICE; 71 static final boolean DEBUG_DELAYED_STARTS = DEBUG_DELAYED_SERVICE; 72 static final boolean DEBUG_MU = ActivityManagerService.DEBUG_MU; 73 static final String TAG = ActivityManagerService.TAG; 74 static final String TAG_MU = ActivityManagerService.TAG_MU; 75 76 // How long we wait for a service to finish executing. 77 static final int SERVICE_TIMEOUT = 20*1000; 78 79 // How long we wait for a service to finish executing. 80 static final int SERVICE_BACKGROUND_TIMEOUT = SERVICE_TIMEOUT * 10; 81 82 // How long a service needs to be running until restarting its process 83 // is no longer considered to be a relaunch of the service. 84 static final int SERVICE_RESTART_DURATION = 1*1000; 85 86 // How long a service needs to be running until it will start back at 87 // SERVICE_RESTART_DURATION after being killed. 88 static final int SERVICE_RESET_RUN_DURATION = 60*1000; 89 90 // Multiplying factor to increase restart duration time by, for each time 91 // a service is killed before it has run for SERVICE_RESET_RUN_DURATION. 92 static final int SERVICE_RESTART_DURATION_FACTOR = 4; 93 94 // The minimum amount of time between restarting services that we allow. 95 // That is, when multiple services are restarting, we won't allow each 96 // to restart less than this amount of time from the last one. 97 static final int SERVICE_MIN_RESTART_TIME_BETWEEN = 10*1000; 98 99 // Maximum amount of time for there to be no activity on a service before 100 // we consider it non-essential and allow its process to go on the 101 // LRU background list. 102 static final int MAX_SERVICE_INACTIVITY = 30*60*1000; 103 104 // How long we wait for a background started service to stop itself before 105 // allowing the next pending start to run. 106 static final int BG_START_TIMEOUT = 15*1000; 107 108 final ActivityManagerService mAm; 109 110 // Maximum number of services that we allow to start in the background 111 // at the same time. 112 final int mMaxStartingBackground; 113 114 final SparseArray<ServiceMap> mServiceMap = new SparseArray<ServiceMap>(); 115 116 /** 117 * All currently bound service connections. Keys are the IBinder of 118 * the client's IServiceConnection. 119 */ 120 final ArrayMap<IBinder, ArrayList<ConnectionRecord>> mServiceConnections 121 = new ArrayMap<IBinder, ArrayList<ConnectionRecord>>(); 122 123 /** 124 * List of services that we have been asked to start, 125 * but haven't yet been able to. It is used to hold start requests 126 * while waiting for their corresponding application thread to get 127 * going. 128 */ 129 final ArrayList<ServiceRecord> mPendingServices 130 = new ArrayList<ServiceRecord>(); 131 132 /** 133 * List of services that are scheduled to restart following a crash. 134 */ 135 final ArrayList<ServiceRecord> mRestartingServices 136 = new ArrayList<ServiceRecord>(); 137 138 /** 139 * List of services that are in the process of being destroyed. 140 */ 141 final ArrayList<ServiceRecord> mDestroyingServices 142 = new ArrayList<ServiceRecord>(); 143 144 static final class DelayingProcess extends ArrayList<ServiceRecord> { 145 long timeoout; 146 } 147 148 /** 149 * Information about services for a single user. 150 */ 151 class ServiceMap extends Handler { 152 final int mUserId; 153 final ArrayMap<ComponentName, ServiceRecord> mServicesByName 154 = new ArrayMap<ComponentName, ServiceRecord>(); 155 final ArrayMap<Intent.FilterComparison, ServiceRecord> mServicesByIntent 156 = new ArrayMap<Intent.FilterComparison, ServiceRecord>(); 157 158 final ArrayList<ServiceRecord> mDelayedStartList 159 = new ArrayList<ServiceRecord>(); 160 /* XXX eventually I'd like to have this based on processes instead of services. 161 * That is, if we try to start two services in a row both running in the same 162 * process, this should be one entry in mStartingBackground for that one process 163 * that remains until all services in it are done. 164 final ArrayMap<ProcessRecord, DelayingProcess> mStartingBackgroundMap 165 = new ArrayMap<ProcessRecord, DelayingProcess>(); 166 final ArrayList<DelayingProcess> mStartingProcessList 167 = new ArrayList<DelayingProcess>(); 168 */ 169 170 final ArrayList<ServiceRecord> mStartingBackground 171 = new ArrayList<ServiceRecord>(); 172 173 static final int MSG_BG_START_TIMEOUT = 1; 174 175 ServiceMap(Looper looper, int userId) { 176 super(looper); 177 mUserId = userId; 178 } 179 180 @Override 181 public void handleMessage(Message msg) { 182 switch (msg.what) { 183 case MSG_BG_START_TIMEOUT: { 184 synchronized (mAm) { 185 rescheduleDelayedStarts(); 186 } 187 } break; 188 } 189 } 190 191 void ensureNotStartingBackground(ServiceRecord r) { 192 if (mStartingBackground.remove(r)) { 193 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "No longer background starting: " + r); 194 rescheduleDelayedStarts(); 195 } 196 if (mDelayedStartList.remove(r)) { 197 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "No longer delaying start: " + r); 198 } 199 } 200 201 void rescheduleDelayedStarts() { 202 removeMessages(MSG_BG_START_TIMEOUT); 203 final long now = SystemClock.uptimeMillis(); 204 for (int i=0, N=mStartingBackground.size(); i<N; i++) { 205 ServiceRecord r = mStartingBackground.get(i); 206 if (r.startingBgTimeout <= now) { 207 Slog.i(TAG, "Waited long enough for: " + r); 208 mStartingBackground.remove(i); 209 N--; 210 i--; 211 } 212 } 213 while (mDelayedStartList.size() > 0 214 && mStartingBackground.size() < mMaxStartingBackground) { 215 ServiceRecord r = mDelayedStartList.remove(0); 216 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "REM FR DELAY LIST (exec next): " + r); 217 if (r.pendingStarts.size() <= 0) { 218 Slog.w(TAG, "**** NO PENDING STARTS! " + r + " startReq=" + r.startRequested 219 + " delayedStop=" + r.delayedStop); 220 } 221 if (DEBUG_DELAYED_SERVICE) { 222 if (mDelayedStartList.size() > 0) { 223 Slog.v(TAG, "Remaining delayed list:"); 224 for (int i=0; i<mDelayedStartList.size(); i++) { 225 Slog.v(TAG, " #" + i + ": " + mDelayedStartList.get(i)); 226 } 227 } 228 } 229 r.delayed = false; 230 startServiceInnerLocked(this, r.pendingStarts.get(0).intent, r, false, true); 231 } 232 if (mStartingBackground.size() > 0) { 233 ServiceRecord next = mStartingBackground.get(0); 234 long when = next.startingBgTimeout > now ? next.startingBgTimeout : now; 235 if (DEBUG_DELAYED_SERVICE) Slog.v(TAG, "Top bg start is " + next 236 + ", can delay others up to " + when); 237 Message msg = obtainMessage(MSG_BG_START_TIMEOUT); 238 sendMessageAtTime(msg, when); 239 } 240 if (mStartingBackground.size() < mMaxStartingBackground) { 241 mAm.backgroundServicesFinishedLocked(mUserId); 242 } 243 } 244 } 245 246 public ActiveServices(ActivityManagerService service) { 247 mAm = service; 248 int maxBg = 0; 249 try { 250 maxBg = Integer.parseInt(SystemProperties.get("ro.config.max_starting_bg", "0")); 251 } catch(RuntimeException e) { 252 } 253 mMaxStartingBackground = maxBg > 0 254 ? maxBg : ActivityManager.isLowRamDeviceStatic() ? 1 : 8; 255 } 256 257 ServiceRecord getServiceByName(ComponentName name, int callingUser) { 258 // TODO: Deal with global services 259 if (DEBUG_MU) 260 Slog.v(TAG_MU, "getServiceByName(" + name + "), callingUser = " + callingUser); 261 return getServiceMap(callingUser).mServicesByName.get(name); 262 } 263 264 boolean hasBackgroundServices(int callingUser) { 265 ServiceMap smap = mServiceMap.get(callingUser); 266 return smap != null ? smap.mStartingBackground.size() >= mMaxStartingBackground : false; 267 } 268 269 private ServiceMap getServiceMap(int callingUser) { 270 ServiceMap smap = mServiceMap.get(callingUser); 271 if (smap == null) { 272 smap = new ServiceMap(mAm.mHandler.getLooper(), callingUser); 273 mServiceMap.put(callingUser, smap); 274 } 275 return smap; 276 } 277 278 ArrayMap<ComponentName, ServiceRecord> getServices(int callingUser) { 279 return getServiceMap(callingUser).mServicesByName; 280 } 281 282 ComponentName startServiceLocked(IApplicationThread caller, 283 Intent service, String resolvedType, 284 int callingPid, int callingUid, int userId) { 285 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "startService: " + service 286 + " type=" + resolvedType + " args=" + service.getExtras()); 287 288 final boolean callerFg; 289 if (caller != null) { 290 final ProcessRecord callerApp = mAm.getRecordForAppLocked(caller); 291 if (callerApp == null) { 292 throw new SecurityException( 293 "Unable to find app for caller " + caller 294 + " (pid=" + Binder.getCallingPid() 295 + ") when starting service " + service); 296 } 297 callerFg = callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE; 298 } else { 299 callerFg = true; 300 } 301 302 303 ServiceLookupResult res = 304 retrieveServiceLocked(service, resolvedType, 305 callingPid, callingUid, userId, true, callerFg); 306 if (res == null) { 307 return null; 308 } 309 if (res.record == null) { 310 return new ComponentName("!", res.permission != null 311 ? res.permission : "private to package"); 312 } 313 314 ServiceRecord r = res.record; 315 316 if (!mAm.getUserManagerLocked().exists(r.userId)) { 317 Slog.d(TAG, "Trying to start service with non-existent user! " + r.userId); 318 return null; 319 } 320 321 NeededUriGrants neededGrants = mAm.checkGrantUriPermissionFromIntentLocked( 322 callingUid, r.packageName, service, service.getFlags(), null, r.userId); 323 if (unscheduleServiceRestartLocked(r, callingUid, false)) { 324 if (DEBUG_SERVICE) Slog.v(TAG, "START SERVICE WHILE RESTART PENDING: " + r); 325 } 326 r.lastActivity = SystemClock.uptimeMillis(); 327 r.startRequested = true; 328 r.delayedStop = false; 329 r.pendingStarts.add(new ServiceRecord.StartItem(r, false, r.makeNextStartId(), 330 service, neededGrants)); 331 332 final ServiceMap smap = getServiceMap(r.userId); 333 boolean addToStarting = false; 334 if (!callerFg && r.app == null && mAm.mStartedUsers.get(r.userId) != null) { 335 ProcessRecord proc = mAm.getProcessRecordLocked(r.processName, r.appInfo.uid, false); 336 if (proc == null || proc.curProcState > ActivityManager.PROCESS_STATE_RECEIVER) { 337 // If this is not coming from a foreground caller, then we may want 338 // to delay the start if there are already other background services 339 // that are starting. This is to avoid process start spam when lots 340 // of applications are all handling things like connectivity broadcasts. 341 // We only do this for cached processes, because otherwise an application 342 // can have assumptions about calling startService() for a service to run 343 // in its own process, and for that process to not be killed before the 344 // service is started. This is especially the case for receivers, which 345 // may start a service in onReceive() to do some additional work and have 346 // initialized some global state as part of that. 347 if (DEBUG_DELAYED_SERVICE) Slog.v(TAG, "Potential start delay of " + r + " in " 348 + proc); 349 if (r.delayed) { 350 // This service is already scheduled for a delayed start; just leave 351 // it still waiting. 352 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Continuing to delay: " + r); 353 return r.name; 354 } 355 if (smap.mStartingBackground.size() >= mMaxStartingBackground) { 356 // Something else is starting, delay! 357 Slog.i(TAG, "Delaying start of: " + r); 358 smap.mDelayedStartList.add(r); 359 r.delayed = true; 360 return r.name; 361 } 362 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Not delaying: " + r); 363 addToStarting = true; 364 } else if (proc.curProcState >= ActivityManager.PROCESS_STATE_SERVICE) { 365 // We slightly loosen when we will enqueue this new service as a background 366 // starting service we are waiting for, to also include processes that are 367 // currently running other services or receivers. 368 addToStarting = true; 369 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Not delaying, but counting as bg: " + r); 370 } else if (DEBUG_DELAYED_STARTS) { 371 StringBuilder sb = new StringBuilder(128); 372 sb.append("Not potential delay (state=").append(proc.curProcState) 373 .append(' ').append(proc.adjType); 374 String reason = proc.makeAdjReason(); 375 if (reason != null) { 376 sb.append(' '); 377 sb.append(reason); 378 } 379 sb.append("): "); 380 sb.append(r.toString()); 381 Slog.v(TAG, sb.toString()); 382 } 383 } else if (DEBUG_DELAYED_STARTS) { 384 if (callerFg) { 385 Slog.v(TAG, "Not potential delay (callerFg=" + callerFg + " uid=" 386 + callingUid + " pid=" + callingPid + "): " + r); 387 } else if (r.app != null) { 388 Slog.v(TAG, "Not potential delay (cur app=" + r.app + "): " + r); 389 } else { 390 Slog.v(TAG, "Not potential delay (user " + r.userId + " not started): " + r); 391 } 392 } 393 394 return startServiceInnerLocked(smap, service, r, callerFg, addToStarting); 395 } 396 397 ComponentName startServiceInnerLocked(ServiceMap smap, Intent service, 398 ServiceRecord r, boolean callerFg, boolean addToStarting) { 399 ProcessStats.ServiceState stracker = r.getTracker(); 400 if (stracker != null) { 401 stracker.setStarted(true, mAm.mProcessStats.getMemFactorLocked(), r.lastActivity); 402 } 403 r.callStart = false; 404 synchronized (r.stats.getBatteryStats()) { 405 r.stats.startRunningLocked(); 406 } 407 String error = bringUpServiceLocked(r, service.getFlags(), callerFg, false); 408 if (error != null) { 409 return new ComponentName("!!", error); 410 } 411 412 if (r.startRequested && addToStarting) { 413 boolean first = smap.mStartingBackground.size() == 0; 414 smap.mStartingBackground.add(r); 415 r.startingBgTimeout = SystemClock.uptimeMillis() + BG_START_TIMEOUT; 416 if (DEBUG_DELAYED_SERVICE) { 417 RuntimeException here = new RuntimeException("here"); 418 here.fillInStackTrace(); 419 Slog.v(TAG, "Starting background (first=" + first + "): " + r, here); 420 } else if (DEBUG_DELAYED_STARTS) { 421 Slog.v(TAG, "Starting background (first=" + first + "): " + r); 422 } 423 if (first) { 424 smap.rescheduleDelayedStarts(); 425 } 426 } else if (callerFg) { 427 smap.ensureNotStartingBackground(r); 428 } 429 430 return r.name; 431 } 432 433 private void stopServiceLocked(ServiceRecord service) { 434 if (service.delayed) { 435 // If service isn't actually running, but is is being held in the 436 // delayed list, then we need to keep it started but note that it 437 // should be stopped once no longer delayed. 438 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Delaying stop of pending: " + service); 439 service.delayedStop = true; 440 return; 441 } 442 synchronized (service.stats.getBatteryStats()) { 443 service.stats.stopRunningLocked(); 444 } 445 service.startRequested = false; 446 if (service.tracker != null) { 447 service.tracker.setStarted(false, mAm.mProcessStats.getMemFactorLocked(), 448 SystemClock.uptimeMillis()); 449 } 450 service.callStart = false; 451 bringDownServiceIfNeededLocked(service, false, false); 452 } 453 454 int stopServiceLocked(IApplicationThread caller, Intent service, 455 String resolvedType, int userId) { 456 if (DEBUG_SERVICE) Slog.v(TAG, "stopService: " + service 457 + " type=" + resolvedType); 458 459 final ProcessRecord callerApp = mAm.getRecordForAppLocked(caller); 460 if (caller != null && callerApp == null) { 461 throw new SecurityException( 462 "Unable to find app for caller " + caller 463 + " (pid=" + Binder.getCallingPid() 464 + ") when stopping service " + service); 465 } 466 467 // If this service is active, make sure it is stopped. 468 ServiceLookupResult r = retrieveServiceLocked(service, resolvedType, 469 Binder.getCallingPid(), Binder.getCallingUid(), userId, false, false); 470 if (r != null) { 471 if (r.record != null) { 472 final long origId = Binder.clearCallingIdentity(); 473 try { 474 stopServiceLocked(r.record); 475 } finally { 476 Binder.restoreCallingIdentity(origId); 477 } 478 return 1; 479 } 480 return -1; 481 } 482 483 return 0; 484 } 485 486 IBinder peekServiceLocked(Intent service, String resolvedType) { 487 ServiceLookupResult r = retrieveServiceLocked(service, resolvedType, 488 Binder.getCallingPid(), Binder.getCallingUid(), 489 UserHandle.getCallingUserId(), false, false); 490 491 IBinder ret = null; 492 if (r != null) { 493 // r.record is null if findServiceLocked() failed the caller permission check 494 if (r.record == null) { 495 throw new SecurityException( 496 "Permission Denial: Accessing service " + r.record.name 497 + " from pid=" + Binder.getCallingPid() 498 + ", uid=" + Binder.getCallingUid() 499 + " requires " + r.permission); 500 } 501 IntentBindRecord ib = r.record.bindings.get(r.record.intent); 502 if (ib != null) { 503 ret = ib.binder; 504 } 505 } 506 507 return ret; 508 } 509 510 boolean stopServiceTokenLocked(ComponentName className, IBinder token, 511 int startId) { 512 if (DEBUG_SERVICE) Slog.v(TAG, "stopServiceToken: " + className 513 + " " + token + " startId=" + startId); 514 ServiceRecord r = findServiceLocked(className, token, UserHandle.getCallingUserId()); 515 if (r != null) { 516 if (startId >= 0) { 517 // Asked to only stop if done with all work. Note that 518 // to avoid leaks, we will take this as dropping all 519 // start items up to and including this one. 520 ServiceRecord.StartItem si = r.findDeliveredStart(startId, false); 521 if (si != null) { 522 while (r.deliveredStarts.size() > 0) { 523 ServiceRecord.StartItem cur = r.deliveredStarts.remove(0); 524 cur.removeUriPermissionsLocked(); 525 if (cur == si) { 526 break; 527 } 528 } 529 } 530 531 if (r.getLastStartId() != startId) { 532 return false; 533 } 534 535 if (r.deliveredStarts.size() > 0) { 536 Slog.w(TAG, "stopServiceToken startId " + startId 537 + " is last, but have " + r.deliveredStarts.size() 538 + " remaining args"); 539 } 540 } 541 542 synchronized (r.stats.getBatteryStats()) { 543 r.stats.stopRunningLocked(); 544 } 545 r.startRequested = false; 546 if (r.tracker != null) { 547 r.tracker.setStarted(false, mAm.mProcessStats.getMemFactorLocked(), 548 SystemClock.uptimeMillis()); 549 } 550 r.callStart = false; 551 final long origId = Binder.clearCallingIdentity(); 552 bringDownServiceIfNeededLocked(r, false, false); 553 Binder.restoreCallingIdentity(origId); 554 return true; 555 } 556 return false; 557 } 558 559 public void setServiceForegroundLocked(ComponentName className, IBinder token, 560 int id, Notification notification, boolean removeNotification) { 561 final int userId = UserHandle.getCallingUserId(); 562 final long origId = Binder.clearCallingIdentity(); 563 try { 564 ServiceRecord r = findServiceLocked(className, token, userId); 565 if (r != null) { 566 if (id != 0) { 567 if (notification == null) { 568 throw new IllegalArgumentException("null notification"); 569 } 570 if (r.foregroundId != id) { 571 r.cancelNotification(); 572 r.foregroundId = id; 573 } 574 notification.flags |= Notification.FLAG_FOREGROUND_SERVICE; 575 r.foregroundNoti = notification; 576 r.isForeground = true; 577 r.postNotification(); 578 if (r.app != null) { 579 updateServiceForegroundLocked(r.app, true); 580 } 581 getServiceMap(r.userId).ensureNotStartingBackground(r); 582 } else { 583 if (r.isForeground) { 584 r.isForeground = false; 585 if (r.app != null) { 586 mAm.updateLruProcessLocked(r.app, false, null); 587 updateServiceForegroundLocked(r.app, true); 588 } 589 } 590 if (removeNotification) { 591 r.cancelNotification(); 592 r.foregroundId = 0; 593 r.foregroundNoti = null; 594 } else if (r.appInfo.targetSdkVersion >= Build.VERSION_CODES.L) { 595 r.stripForegroundServiceFlagFromNotification(); 596 } 597 } 598 } 599 } finally { 600 Binder.restoreCallingIdentity(origId); 601 } 602 } 603 604 private void updateServiceForegroundLocked(ProcessRecord proc, boolean oomAdj) { 605 boolean anyForeground = false; 606 for (int i=proc.services.size()-1; i>=0; i--) { 607 ServiceRecord sr = proc.services.valueAt(i); 608 if (sr.isForeground) { 609 anyForeground = true; 610 break; 611 } 612 } 613 mAm.updateProcessForegroundLocked(proc, anyForeground, oomAdj); 614 } 615 616 public void updateServiceConnectionActivitiesLocked(ProcessRecord clientProc) { 617 ArraySet<ProcessRecord> updatedProcesses = null; 618 for (int i=0; i<clientProc.connections.size(); i++) { 619 final ConnectionRecord conn = clientProc.connections.valueAt(i); 620 final ProcessRecord proc = conn.binding.service.app; 621 if (proc == null || proc == clientProc) { 622 continue; 623 } else if (updatedProcesses == null) { 624 updatedProcesses = new ArraySet<>(); 625 } else if (updatedProcesses.contains(proc)) { 626 continue; 627 } 628 updatedProcesses.add(proc); 629 updateServiceClientActivitiesLocked(proc, null, false); 630 } 631 } 632 633 private boolean updateServiceClientActivitiesLocked(ProcessRecord proc, 634 ConnectionRecord modCr, boolean updateLru) { 635 if (modCr != null && modCr.binding.client != null) { 636 if (modCr.binding.client.activities.size() <= 0) { 637 // This connection is from a client without activities, so adding 638 // and removing is not interesting. 639 return false; 640 } 641 } 642 643 boolean anyClientActivities = false; 644 for (int i=proc.services.size()-1; i>=0 && !anyClientActivities; i--) { 645 ServiceRecord sr = proc.services.valueAt(i); 646 for (int conni=sr.connections.size()-1; conni>=0 && !anyClientActivities; conni--) { 647 ArrayList<ConnectionRecord> clist = sr.connections.valueAt(conni); 648 for (int cri=clist.size()-1; cri>=0; cri--) { 649 ConnectionRecord cr = clist.get(cri); 650 if (cr.binding.client == null || cr.binding.client == proc) { 651 // Binding to ourself is not interesting. 652 continue; 653 } 654 if (cr.binding.client.activities.size() > 0) { 655 anyClientActivities = true; 656 break; 657 } 658 } 659 } 660 } 661 if (anyClientActivities != proc.hasClientActivities) { 662 proc.hasClientActivities = anyClientActivities; 663 if (updateLru) { 664 mAm.updateLruProcessLocked(proc, anyClientActivities, null); 665 } 666 return true; 667 } 668 return false; 669 } 670 671 int bindServiceLocked(IApplicationThread caller, IBinder token, 672 Intent service, String resolvedType, 673 IServiceConnection connection, int flags, int userId) { 674 if (DEBUG_SERVICE) Slog.v(TAG, "bindService: " + service 675 + " type=" + resolvedType + " conn=" + connection.asBinder() 676 + " flags=0x" + Integer.toHexString(flags)); 677 final ProcessRecord callerApp = mAm.getRecordForAppLocked(caller); 678 if (callerApp == null) { 679 throw new SecurityException( 680 "Unable to find app for caller " + caller 681 + " (pid=" + Binder.getCallingPid() 682 + ") when binding service " + service); 683 } 684 685 ActivityRecord activity = null; 686 if (token != null) { 687 activity = ActivityRecord.isInStackLocked(token); 688 if (activity == null) { 689 Slog.w(TAG, "Binding with unknown activity: " + token); 690 return 0; 691 } 692 } 693 694 int clientLabel = 0; 695 PendingIntent clientIntent = null; 696 697 if (callerApp.info.uid == Process.SYSTEM_UID) { 698 // Hacky kind of thing -- allow system stuff to tell us 699 // what they are, so we can report this elsewhere for 700 // others to know why certain services are running. 701 try { 702 clientIntent = service.getParcelableExtra(Intent.EXTRA_CLIENT_INTENT); 703 } catch (RuntimeException e) { 704 } 705 if (clientIntent != null) { 706 clientLabel = service.getIntExtra(Intent.EXTRA_CLIENT_LABEL, 0); 707 if (clientLabel != 0) { 708 // There are no useful extras in the intent, trash them. 709 // System code calling with this stuff just needs to know 710 // this will happen. 711 service = service.cloneFilter(); 712 } 713 } 714 } 715 716 if ((flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 717 mAm.enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS, 718 "BIND_TREAT_LIKE_ACTIVITY"); 719 } 720 721 final boolean callerFg = callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE; 722 723 ServiceLookupResult res = 724 retrieveServiceLocked(service, resolvedType, 725 Binder.getCallingPid(), Binder.getCallingUid(), userId, true, callerFg); 726 if (res == null) { 727 return 0; 728 } 729 if (res.record == null) { 730 return -1; 731 } 732 ServiceRecord s = res.record; 733 734 final long origId = Binder.clearCallingIdentity(); 735 736 try { 737 if (unscheduleServiceRestartLocked(s, callerApp.info.uid, false)) { 738 if (DEBUG_SERVICE) Slog.v(TAG, "BIND SERVICE WHILE RESTART PENDING: " 739 + s); 740 } 741 742 if ((flags&Context.BIND_AUTO_CREATE) != 0) { 743 s.lastActivity = SystemClock.uptimeMillis(); 744 if (!s.hasAutoCreateConnections()) { 745 // This is the first binding, let the tracker know. 746 ProcessStats.ServiceState stracker = s.getTracker(); 747 if (stracker != null) { 748 stracker.setBound(true, mAm.mProcessStats.getMemFactorLocked(), 749 s.lastActivity); 750 } 751 } 752 } 753 754 AppBindRecord b = s.retrieveAppBindingLocked(service, callerApp); 755 ConnectionRecord c = new ConnectionRecord(b, activity, 756 connection, flags, clientLabel, clientIntent); 757 758 IBinder binder = connection.asBinder(); 759 ArrayList<ConnectionRecord> clist = s.connections.get(binder); 760 if (clist == null) { 761 clist = new ArrayList<ConnectionRecord>(); 762 s.connections.put(binder, clist); 763 } 764 clist.add(c); 765 b.connections.add(c); 766 if (activity != null) { 767 if (activity.connections == null) { 768 activity.connections = new HashSet<ConnectionRecord>(); 769 } 770 activity.connections.add(c); 771 } 772 b.client.connections.add(c); 773 if ((c.flags&Context.BIND_ABOVE_CLIENT) != 0) { 774 b.client.hasAboveClient = true; 775 } 776 if (s.app != null) { 777 updateServiceClientActivitiesLocked(s.app, c, true); 778 } 779 clist = mServiceConnections.get(binder); 780 if (clist == null) { 781 clist = new ArrayList<ConnectionRecord>(); 782 mServiceConnections.put(binder, clist); 783 } 784 clist.add(c); 785 786 if ((flags&Context.BIND_AUTO_CREATE) != 0) { 787 s.lastActivity = SystemClock.uptimeMillis(); 788 if (bringUpServiceLocked(s, service.getFlags(), callerFg, false) != null) { 789 return 0; 790 } 791 } 792 793 if (s.app != null) { 794 if ((flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 795 s.app.treatLikeActivity = true; 796 } 797 // This could have made the service more important. 798 mAm.updateLruProcessLocked(s.app, s.app.hasClientActivities 799 || s.app.treatLikeActivity, b.client); 800 mAm.updateOomAdjLocked(s.app); 801 } 802 803 if (DEBUG_SERVICE) Slog.v(TAG, "Bind " + s + " with " + b 804 + ": received=" + b.intent.received 805 + " apps=" + b.intent.apps.size() 806 + " doRebind=" + b.intent.doRebind); 807 808 if (s.app != null && b.intent.received) { 809 // Service is already running, so we can immediately 810 // publish the connection. 811 try { 812 c.conn.connected(s.name, b.intent.binder); 813 } catch (Exception e) { 814 Slog.w(TAG, "Failure sending service " + s.shortName 815 + " to connection " + c.conn.asBinder() 816 + " (in " + c.binding.client.processName + ")", e); 817 } 818 819 // If this is the first app connected back to this binding, 820 // and the service had previously asked to be told when 821 // rebound, then do so. 822 if (b.intent.apps.size() == 1 && b.intent.doRebind) { 823 requestServiceBindingLocked(s, b.intent, callerFg, true); 824 } 825 } else if (!b.intent.requested) { 826 requestServiceBindingLocked(s, b.intent, callerFg, false); 827 } 828 829 getServiceMap(s.userId).ensureNotStartingBackground(s); 830 831 } finally { 832 Binder.restoreCallingIdentity(origId); 833 } 834 835 return 1; 836 } 837 838 void publishServiceLocked(ServiceRecord r, Intent intent, IBinder service) { 839 final long origId = Binder.clearCallingIdentity(); 840 try { 841 if (DEBUG_SERVICE) Slog.v(TAG, "PUBLISHING " + r 842 + " " + intent + ": " + service); 843 if (r != null) { 844 Intent.FilterComparison filter 845 = new Intent.FilterComparison(intent); 846 IntentBindRecord b = r.bindings.get(filter); 847 if (b != null && !b.received) { 848 b.binder = service; 849 b.requested = true; 850 b.received = true; 851 for (int conni=r.connections.size()-1; conni>=0; conni--) { 852 ArrayList<ConnectionRecord> clist = r.connections.valueAt(conni); 853 for (int i=0; i<clist.size(); i++) { 854 ConnectionRecord c = clist.get(i); 855 if (!filter.equals(c.binding.intent.intent)) { 856 if (DEBUG_SERVICE) Slog.v( 857 TAG, "Not publishing to: " + c); 858 if (DEBUG_SERVICE) Slog.v( 859 TAG, "Bound intent: " + c.binding.intent.intent); 860 if (DEBUG_SERVICE) Slog.v( 861 TAG, "Published intent: " + intent); 862 continue; 863 } 864 if (DEBUG_SERVICE) Slog.v(TAG, "Publishing to: " + c); 865 try { 866 c.conn.connected(r.name, service); 867 } catch (Exception e) { 868 Slog.w(TAG, "Failure sending service " + r.name + 869 " to connection " + c.conn.asBinder() + 870 " (in " + c.binding.client.processName + ")", e); 871 } 872 } 873 } 874 } 875 876 serviceDoneExecutingLocked(r, mDestroyingServices.contains(r), false); 877 } 878 } finally { 879 Binder.restoreCallingIdentity(origId); 880 } 881 } 882 883 boolean unbindServiceLocked(IServiceConnection connection) { 884 IBinder binder = connection.asBinder(); 885 if (DEBUG_SERVICE) Slog.v(TAG, "unbindService: conn=" + binder); 886 ArrayList<ConnectionRecord> clist = mServiceConnections.get(binder); 887 if (clist == null) { 888 Slog.w(TAG, "Unbind failed: could not find connection for " 889 + connection.asBinder()); 890 return false; 891 } 892 893 final long origId = Binder.clearCallingIdentity(); 894 try { 895 while (clist.size() > 0) { 896 ConnectionRecord r = clist.get(0); 897 removeConnectionLocked(r, null, null); 898 899 if (r.binding.service.app != null) { 900 // This could have made the service less important. 901 if ((r.flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 902 r.binding.service.app.treatLikeActivity = true; 903 mAm.updateLruProcessLocked(r.binding.service.app, 904 r.binding.service.app.hasClientActivities 905 || r.binding.service.app.treatLikeActivity, null); 906 } 907 mAm.updateOomAdjLocked(r.binding.service.app); 908 } 909 } 910 } finally { 911 Binder.restoreCallingIdentity(origId); 912 } 913 914 return true; 915 } 916 917 void unbindFinishedLocked(ServiceRecord r, Intent intent, boolean doRebind) { 918 final long origId = Binder.clearCallingIdentity(); 919 try { 920 if (r != null) { 921 Intent.FilterComparison filter 922 = new Intent.FilterComparison(intent); 923 IntentBindRecord b = r.bindings.get(filter); 924 if (DEBUG_SERVICE) Slog.v(TAG, "unbindFinished in " + r 925 + " at " + b + ": apps=" 926 + (b != null ? b.apps.size() : 0)); 927 928 boolean inDestroying = mDestroyingServices.contains(r); 929 if (b != null) { 930 if (b.apps.size() > 0 && !inDestroying) { 931 // Applications have already bound since the last 932 // unbind, so just rebind right here. 933 boolean inFg = false; 934 for (int i=b.apps.size()-1; i>=0; i--) { 935 ProcessRecord client = b.apps.valueAt(i).client; 936 if (client != null && client.setSchedGroup 937 != Process.THREAD_GROUP_BG_NONINTERACTIVE) { 938 inFg = true; 939 break; 940 } 941 } 942 requestServiceBindingLocked(r, b, inFg, true); 943 } else { 944 // Note to tell the service the next time there is 945 // a new client. 946 b.doRebind = true; 947 } 948 } 949 950 serviceDoneExecutingLocked(r, inDestroying, false); 951 } 952 } finally { 953 Binder.restoreCallingIdentity(origId); 954 } 955 } 956 957 private final ServiceRecord findServiceLocked(ComponentName name, 958 IBinder token, int userId) { 959 ServiceRecord r = getServiceByName(name, userId); 960 return r == token ? r : null; 961 } 962 963 private final class ServiceLookupResult { 964 final ServiceRecord record; 965 final String permission; 966 967 ServiceLookupResult(ServiceRecord _record, String _permission) { 968 record = _record; 969 permission = _permission; 970 } 971 } 972 973 private class ServiceRestarter implements Runnable { 974 private ServiceRecord mService; 975 976 void setService(ServiceRecord service) { 977 mService = service; 978 } 979 980 public void run() { 981 synchronized(mAm) { 982 performServiceRestartLocked(mService); 983 } 984 } 985 } 986 987 private ServiceLookupResult retrieveServiceLocked(Intent service, 988 String resolvedType, int callingPid, int callingUid, int userId, 989 boolean createIfNeeded, boolean callingFromFg) { 990 ServiceRecord r = null; 991 if (DEBUG_SERVICE) Slog.v(TAG, "retrieveServiceLocked: " + service 992 + " type=" + resolvedType + " callingUid=" + callingUid); 993 994 userId = mAm.handleIncomingUser(callingPid, callingUid, userId, 995 false, ActivityManagerService.ALLOW_NON_FULL_IN_PROFILE, "service", null); 996 997 ServiceMap smap = getServiceMap(userId); 998 final ComponentName comp = service.getComponent(); 999 if (comp != null) { 1000 r = smap.mServicesByName.get(comp); 1001 } 1002 if (r == null) { 1003 Intent.FilterComparison filter = new Intent.FilterComparison(service); 1004 r = smap.mServicesByIntent.get(filter); 1005 } 1006 if (r == null) { 1007 try { 1008 ResolveInfo rInfo = 1009 AppGlobals.getPackageManager().resolveService( 1010 service, resolvedType, 1011 ActivityManagerService.STOCK_PM_FLAGS, userId); 1012 ServiceInfo sInfo = 1013 rInfo != null ? rInfo.serviceInfo : null; 1014 if (sInfo == null) { 1015 Slog.w(TAG, "Unable to start service " + service + " U=" + userId + 1016 ": not found"); 1017 return null; 1018 } 1019 ComponentName name = new ComponentName( 1020 sInfo.applicationInfo.packageName, sInfo.name); 1021 if (userId > 0) { 1022 if (mAm.isSingleton(sInfo.processName, sInfo.applicationInfo, 1023 sInfo.name, sInfo.flags) 1024 && mAm.isValidSingletonCall(callingUid, sInfo.applicationInfo.uid)) { 1025 userId = 0; 1026 smap = getServiceMap(0); 1027 } 1028 sInfo = new ServiceInfo(sInfo); 1029 sInfo.applicationInfo = mAm.getAppInfoForUser(sInfo.applicationInfo, userId); 1030 } 1031 r = smap.mServicesByName.get(name); 1032 if (r == null && createIfNeeded) { 1033 Intent.FilterComparison filter 1034 = new Intent.FilterComparison(service.cloneFilter()); 1035 ServiceRestarter res = new ServiceRestarter(); 1036 BatteryStatsImpl.Uid.Pkg.Serv ss = null; 1037 BatteryStatsImpl stats = mAm.mBatteryStatsService.getActiveStatistics(); 1038 synchronized (stats) { 1039 ss = stats.getServiceStatsLocked( 1040 sInfo.applicationInfo.uid, sInfo.packageName, 1041 sInfo.name); 1042 } 1043 r = new ServiceRecord(mAm, ss, name, filter, sInfo, callingFromFg, res); 1044 res.setService(r); 1045 smap.mServicesByName.put(name, r); 1046 smap.mServicesByIntent.put(filter, r); 1047 1048 // Make sure this component isn't in the pending list. 1049 for (int i=mPendingServices.size()-1; i>=0; i--) { 1050 ServiceRecord pr = mPendingServices.get(i); 1051 if (pr.serviceInfo.applicationInfo.uid == sInfo.applicationInfo.uid 1052 && pr.name.equals(name)) { 1053 mPendingServices.remove(i); 1054 } 1055 } 1056 } 1057 } catch (RemoteException ex) { 1058 // pm is in same process, this will never happen. 1059 } 1060 } 1061 if (r != null) { 1062 if (mAm.checkComponentPermission(r.permission, 1063 callingPid, callingUid, r.appInfo.uid, r.exported) 1064 != PackageManager.PERMISSION_GRANTED) { 1065 if (!r.exported) { 1066 Slog.w(TAG, "Permission Denial: Accessing service " + r.name 1067 + " from pid=" + callingPid 1068 + ", uid=" + callingUid 1069 + " that is not exported from uid " + r.appInfo.uid); 1070 return new ServiceLookupResult(null, "not exported from uid " 1071 + r.appInfo.uid); 1072 } 1073 Slog.w(TAG, "Permission Denial: Accessing service " + r.name 1074 + " from pid=" + callingPid 1075 + ", uid=" + callingUid 1076 + " requires " + r.permission); 1077 return new ServiceLookupResult(null, r.permission); 1078 } 1079 if (!mAm.mIntentFirewall.checkService(r.name, service, callingUid, callingPid, 1080 resolvedType, r.appInfo)) { 1081 return null; 1082 } 1083 return new ServiceLookupResult(r, null); 1084 } 1085 return null; 1086 } 1087 1088 private final void bumpServiceExecutingLocked(ServiceRecord r, boolean fg, String why) { 1089 if (DEBUG_SERVICE) Slog.v(TAG, ">>> EXECUTING " 1090 + why + " of " + r + " in app " + r.app); 1091 else if (DEBUG_SERVICE_EXECUTING) Slog.v(TAG, ">>> EXECUTING " 1092 + why + " of " + r.shortName); 1093 long now = SystemClock.uptimeMillis(); 1094 if (r.executeNesting == 0) { 1095 r.executeFg = fg; 1096 ProcessStats.ServiceState stracker = r.getTracker(); 1097 if (stracker != null) { 1098 stracker.setExecuting(true, mAm.mProcessStats.getMemFactorLocked(), now); 1099 } 1100 if (r.app != null) { 1101 r.app.executingServices.add(r); 1102 r.app.execServicesFg |= fg; 1103 if (r.app.executingServices.size() == 1) { 1104 scheduleServiceTimeoutLocked(r.app); 1105 } 1106 } 1107 } else if (r.app != null && fg && !r.app.execServicesFg) { 1108 r.app.execServicesFg = true; 1109 scheduleServiceTimeoutLocked(r.app); 1110 } 1111 r.executeFg |= fg; 1112 r.executeNesting++; 1113 r.executingStart = now; 1114 } 1115 1116 private final boolean requestServiceBindingLocked(ServiceRecord r, 1117 IntentBindRecord i, boolean execInFg, boolean rebind) { 1118 if (r.app == null || r.app.thread == null) { 1119 // If service is not currently running, can't yet bind. 1120 return false; 1121 } 1122 if ((!i.requested || rebind) && i.apps.size() > 0) { 1123 try { 1124 bumpServiceExecutingLocked(r, execInFg, "bind"); 1125 r.app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_SERVICE); 1126 r.app.thread.scheduleBindService(r, i.intent.getIntent(), rebind, 1127 r.app.repProcState); 1128 if (!rebind) { 1129 i.requested = true; 1130 } 1131 i.hasBound = true; 1132 i.doRebind = false; 1133 } catch (RemoteException e) { 1134 if (DEBUG_SERVICE) Slog.v(TAG, "Crashed while binding " + r); 1135 return false; 1136 } 1137 } 1138 return true; 1139 } 1140 1141 private final boolean scheduleServiceRestartLocked(ServiceRecord r, 1142 boolean allowCancel) { 1143 boolean canceled = false; 1144 1145 ServiceMap smap = getServiceMap(r.userId); 1146 if (smap.mServicesByName.get(r.name) != r) { 1147 ServiceRecord cur = smap.mServicesByName.get(r.name); 1148 Slog.wtf(TAG, "Attempting to schedule restart of " + r 1149 + " when found in map: " + cur); 1150 return false; 1151 } 1152 1153 final long now = SystemClock.uptimeMillis(); 1154 1155 if ((r.serviceInfo.applicationInfo.flags 1156 &ApplicationInfo.FLAG_PERSISTENT) == 0) { 1157 long minDuration = SERVICE_RESTART_DURATION; 1158 long resetTime = SERVICE_RESET_RUN_DURATION; 1159 1160 // Any delivered but not yet finished starts should be put back 1161 // on the pending list. 1162 final int N = r.deliveredStarts.size(); 1163 if (N > 0) { 1164 for (int i=N-1; i>=0; i--) { 1165 ServiceRecord.StartItem si = r.deliveredStarts.get(i); 1166 si.removeUriPermissionsLocked(); 1167 if (si.intent == null) { 1168 // We'll generate this again if needed. 1169 } else if (!allowCancel || (si.deliveryCount < ServiceRecord.MAX_DELIVERY_COUNT 1170 && si.doneExecutingCount < ServiceRecord.MAX_DONE_EXECUTING_COUNT)) { 1171 r.pendingStarts.add(0, si); 1172 long dur = SystemClock.uptimeMillis() - si.deliveredTime; 1173 dur *= 2; 1174 if (minDuration < dur) minDuration = dur; 1175 if (resetTime < dur) resetTime = dur; 1176 } else { 1177 Slog.w(TAG, "Canceling start item " + si.intent + " in service " 1178 + r.name); 1179 canceled = true; 1180 } 1181 } 1182 r.deliveredStarts.clear(); 1183 } 1184 1185 r.totalRestartCount++; 1186 if (r.restartDelay == 0) { 1187 r.restartCount++; 1188 r.restartDelay = minDuration; 1189 } else { 1190 // If it has been a "reasonably long time" since the service 1191 // was started, then reset our restart duration back to 1192 // the beginning, so we don't infinitely increase the duration 1193 // on a service that just occasionally gets killed (which is 1194 // a normal case, due to process being killed to reclaim memory). 1195 if (now > (r.restartTime+resetTime)) { 1196 r.restartCount = 1; 1197 r.restartDelay = minDuration; 1198 } else { 1199 r.restartDelay *= SERVICE_RESTART_DURATION_FACTOR; 1200 if (r.restartDelay < minDuration) { 1201 r.restartDelay = minDuration; 1202 } 1203 } 1204 } 1205 1206 r.nextRestartTime = now + r.restartDelay; 1207 1208 // Make sure that we don't end up restarting a bunch of services 1209 // all at the same time. 1210 boolean repeat; 1211 do { 1212 repeat = false; 1213 for (int i=mRestartingServices.size()-1; i>=0; i--) { 1214 ServiceRecord r2 = mRestartingServices.get(i); 1215 if (r2 != r && r.nextRestartTime 1216 >= (r2.nextRestartTime-SERVICE_MIN_RESTART_TIME_BETWEEN) 1217 && r.nextRestartTime 1218 < (r2.nextRestartTime+SERVICE_MIN_RESTART_TIME_BETWEEN)) { 1219 r.nextRestartTime = r2.nextRestartTime + SERVICE_MIN_RESTART_TIME_BETWEEN; 1220 r.restartDelay = r.nextRestartTime - now; 1221 repeat = true; 1222 break; 1223 } 1224 } 1225 } while (repeat); 1226 1227 } else { 1228 // Persistent processes are immediately restarted, so there is no 1229 // reason to hold of on restarting their services. 1230 r.totalRestartCount++; 1231 r.restartCount = 0; 1232 r.restartDelay = 0; 1233 r.nextRestartTime = now; 1234 } 1235 1236 if (!mRestartingServices.contains(r)) { 1237 r.createdFromFg = false; 1238 mRestartingServices.add(r); 1239 r.makeRestarting(mAm.mProcessStats.getMemFactorLocked(), now); 1240 } 1241 1242 r.cancelNotification(); 1243 1244 mAm.mHandler.removeCallbacks(r.restarter); 1245 mAm.mHandler.postAtTime(r.restarter, r.nextRestartTime); 1246 r.nextRestartTime = SystemClock.uptimeMillis() + r.restartDelay; 1247 Slog.w(TAG, "Scheduling restart of crashed service " 1248 + r.shortName + " in " + r.restartDelay + "ms"); 1249 EventLog.writeEvent(EventLogTags.AM_SCHEDULE_SERVICE_RESTART, 1250 r.userId, r.shortName, r.restartDelay); 1251 1252 return canceled; 1253 } 1254 1255 final void performServiceRestartLocked(ServiceRecord r) { 1256 if (!mRestartingServices.contains(r)) { 1257 return; 1258 } 1259 bringUpServiceLocked(r, r.intent.getIntent().getFlags(), r.createdFromFg, true); 1260 } 1261 1262 private final boolean unscheduleServiceRestartLocked(ServiceRecord r, int callingUid, 1263 boolean force) { 1264 if (!force && r.restartDelay == 0) { 1265 return false; 1266 } 1267 // Remove from the restarting list; if the service is currently on the 1268 // restarting list, or the call is coming from another app, then this 1269 // service has become of much more interest so we reset the restart interval. 1270 boolean removed = mRestartingServices.remove(r); 1271 if (removed || callingUid != r.appInfo.uid) { 1272 r.resetRestartCounter(); 1273 } 1274 if (removed) { 1275 clearRestartingIfNeededLocked(r); 1276 } 1277 mAm.mHandler.removeCallbacks(r.restarter); 1278 return true; 1279 } 1280 1281 private void clearRestartingIfNeededLocked(ServiceRecord r) { 1282 if (r.restartTracker != null) { 1283 // If this is the last restarting record with this tracker, then clear 1284 // the tracker's restarting state. 1285 boolean stillTracking = false; 1286 for (int i=mRestartingServices.size()-1; i>=0; i--) { 1287 if (mRestartingServices.get(i).restartTracker == r.restartTracker) { 1288 stillTracking = true; 1289 break; 1290 } 1291 } 1292 if (!stillTracking) { 1293 r.restartTracker.setRestarting(false, mAm.mProcessStats.getMemFactorLocked(), 1294 SystemClock.uptimeMillis()); 1295 r.restartTracker = null; 1296 } 1297 } 1298 } 1299 1300 private final String bringUpServiceLocked(ServiceRecord r, 1301 int intentFlags, boolean execInFg, boolean whileRestarting) { 1302 //Slog.i(TAG, "Bring up service:"); 1303 //r.dump(" "); 1304 1305 if (r.app != null && r.app.thread != null) { 1306 sendServiceArgsLocked(r, execInFg, false); 1307 return null; 1308 } 1309 1310 if (!whileRestarting && r.restartDelay > 0) { 1311 // If waiting for a restart, then do nothing. 1312 return null; 1313 } 1314 1315 if (DEBUG_SERVICE) Slog.v(TAG, "Bringing up " + r + " " + r.intent); 1316 1317 // We are now bringing the service up, so no longer in the 1318 // restarting state. 1319 if (mRestartingServices.remove(r)) { 1320 clearRestartingIfNeededLocked(r); 1321 } 1322 1323 // Make sure this service is no longer considered delayed, we are starting it now. 1324 if (r.delayed) { 1325 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "REM FR DELAY LIST (bring up): " + r); 1326 getServiceMap(r.userId).mDelayedStartList.remove(r); 1327 r.delayed = false; 1328 } 1329 1330 // Make sure that the user who owns this service is started. If not, 1331 // we don't want to allow it to run. 1332 if (mAm.mStartedUsers.get(r.userId) == null) { 1333 String msg = "Unable to launch app " 1334 + r.appInfo.packageName + "/" 1335 + r.appInfo.uid + " for service " 1336 + r.intent.getIntent() + ": user " + r.userId + " is stopped"; 1337 Slog.w(TAG, msg); 1338 bringDownServiceLocked(r); 1339 return msg; 1340 } 1341 1342 // Service is now being launched, its package can't be stopped. 1343 try { 1344 AppGlobals.getPackageManager().setPackageStoppedState( 1345 r.packageName, false, r.userId); 1346 } catch (RemoteException e) { 1347 } catch (IllegalArgumentException e) { 1348 Slog.w(TAG, "Failed trying to unstop package " 1349 + r.packageName + ": " + e); 1350 } 1351 1352 final boolean isolated = (r.serviceInfo.flags&ServiceInfo.FLAG_ISOLATED_PROCESS) != 0; 1353 final String procName = r.processName; 1354 ProcessRecord app; 1355 1356 if (!isolated) { 1357 app = mAm.getProcessRecordLocked(procName, r.appInfo.uid, false); 1358 if (DEBUG_MU) Slog.v(TAG_MU, "bringUpServiceLocked: appInfo.uid=" + r.appInfo.uid 1359 + " app=" + app); 1360 if (app != null && app.thread != null) { 1361 try { 1362 app.addPackage(r.appInfo.packageName, r.appInfo.versionCode, mAm.mProcessStats); 1363 realStartServiceLocked(r, app, execInFg); 1364 return null; 1365 } catch (RemoteException e) { 1366 Slog.w(TAG, "Exception when starting service " + r.shortName, e); 1367 } 1368 1369 // If a dead object exception was thrown -- fall through to 1370 // restart the application. 1371 } 1372 } else { 1373 // If this service runs in an isolated process, then each time 1374 // we call startProcessLocked() we will get a new isolated 1375 // process, starting another process if we are currently waiting 1376 // for a previous process to come up. To deal with this, we store 1377 // in the service any current isolated process it is running in or 1378 // waiting to have come up. 1379 app = r.isolatedProc; 1380 } 1381 1382 // Not running -- get it started, and enqueue this service record 1383 // to be executed when the app comes up. 1384 if (app == null) { 1385 if ((app=mAm.startProcessLocked(procName, r.appInfo, true, intentFlags, 1386 "service", r.name, false, isolated, false)) == null) { 1387 String msg = "Unable to launch app " 1388 + r.appInfo.packageName + "/" 1389 + r.appInfo.uid + " for service " 1390 + r.intent.getIntent() + ": process is bad"; 1391 Slog.w(TAG, msg); 1392 bringDownServiceLocked(r); 1393 return msg; 1394 } 1395 if (isolated) { 1396 r.isolatedProc = app; 1397 } 1398 } 1399 1400 if (!mPendingServices.contains(r)) { 1401 mPendingServices.add(r); 1402 } 1403 1404 if (r.delayedStop) { 1405 // Oh and hey we've already been asked to stop! 1406 r.delayedStop = false; 1407 if (r.startRequested) { 1408 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Applying delayed stop (in bring up): " + r); 1409 stopServiceLocked(r); 1410 } 1411 } 1412 1413 return null; 1414 } 1415 1416 private final void requestServiceBindingsLocked(ServiceRecord r, boolean execInFg) { 1417 for (int i=r.bindings.size()-1; i>=0; i--) { 1418 IntentBindRecord ibr = r.bindings.valueAt(i); 1419 if (!requestServiceBindingLocked(r, ibr, execInFg, false)) { 1420 break; 1421 } 1422 } 1423 } 1424 1425 private final void realStartServiceLocked(ServiceRecord r, 1426 ProcessRecord app, boolean execInFg) throws RemoteException { 1427 if (app.thread == null) { 1428 throw new RemoteException(); 1429 } 1430 if (DEBUG_MU) 1431 Slog.v(TAG_MU, "realStartServiceLocked, ServiceRecord.uid = " + r.appInfo.uid 1432 + ", ProcessRecord.uid = " + app.uid); 1433 r.app = app; 1434 r.restartTime = r.lastActivity = SystemClock.uptimeMillis(); 1435 1436 app.services.add(r); 1437 bumpServiceExecutingLocked(r, execInFg, "create"); 1438 mAm.updateLruProcessLocked(app, false, null); 1439 mAm.updateOomAdjLocked(); 1440 1441 boolean created = false; 1442 try { 1443 String nameTerm; 1444 int lastPeriod = r.shortName.lastIndexOf('.'); 1445 nameTerm = lastPeriod >= 0 ? r.shortName.substring(lastPeriod) : r.shortName; 1446 EventLogTags.writeAmCreateService( 1447 r.userId, System.identityHashCode(r), nameTerm, r.app.uid, r.app.pid); 1448 synchronized (r.stats.getBatteryStats()) { 1449 r.stats.startLaunchedLocked(); 1450 } 1451 mAm.ensurePackageDexOpt(r.serviceInfo.packageName); 1452 app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_SERVICE); 1453 app.thread.scheduleCreateService(r, r.serviceInfo, 1454 mAm.compatibilityInfoForPackageLocked(r.serviceInfo.applicationInfo), 1455 app.repProcState); 1456 r.postNotification(); 1457 created = true; 1458 } catch (DeadObjectException e) { 1459 Slog.w(TAG, "Application dead when creating service " + r); 1460 mAm.appDiedLocked(app); 1461 } finally { 1462 if (!created) { 1463 app.services.remove(r); 1464 r.app = null; 1465 scheduleServiceRestartLocked(r, false); 1466 } 1467 } 1468 1469 requestServiceBindingsLocked(r, execInFg); 1470 1471 updateServiceClientActivitiesLocked(app, null, true); 1472 1473 // If the service is in the started state, and there are no 1474 // pending arguments, then fake up one so its onStartCommand() will 1475 // be called. 1476 if (r.startRequested && r.callStart && r.pendingStarts.size() == 0) { 1477 r.pendingStarts.add(new ServiceRecord.StartItem(r, false, r.makeNextStartId(), 1478 null, null)); 1479 } 1480 1481 sendServiceArgsLocked(r, execInFg, true); 1482 1483 if (r.delayed) { 1484 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "REM FR DELAY LIST (new proc): " + r); 1485 getServiceMap(r.userId).mDelayedStartList.remove(r); 1486 r.delayed = false; 1487 } 1488 1489 if (r.delayedStop) { 1490 // Oh and hey we've already been asked to stop! 1491 r.delayedStop = false; 1492 if (r.startRequested) { 1493 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Applying delayed stop (from start): " + r); 1494 stopServiceLocked(r); 1495 } 1496 } 1497 } 1498 1499 private final void sendServiceArgsLocked(ServiceRecord r, boolean execInFg, 1500 boolean oomAdjusted) { 1501 final int N = r.pendingStarts.size(); 1502 if (N == 0) { 1503 return; 1504 } 1505 1506 while (r.pendingStarts.size() > 0) { 1507 try { 1508 ServiceRecord.StartItem si = r.pendingStarts.remove(0); 1509 if (DEBUG_SERVICE) Slog.v(TAG, "Sending arguments to: " 1510 + r + " " + r.intent + " args=" + si.intent); 1511 if (si.intent == null && N > 1) { 1512 // If somehow we got a dummy null intent in the middle, 1513 // then skip it. DO NOT skip a null intent when it is 1514 // the only one in the list -- this is to support the 1515 // onStartCommand(null) case. 1516 continue; 1517 } 1518 si.deliveredTime = SystemClock.uptimeMillis(); 1519 r.deliveredStarts.add(si); 1520 si.deliveryCount++; 1521 if (si.neededGrants != null) { 1522 mAm.grantUriPermissionUncheckedFromIntentLocked(si.neededGrants, 1523 si.getUriPermissionsLocked()); 1524 } 1525 bumpServiceExecutingLocked(r, execInFg, "start"); 1526 if (!oomAdjusted) { 1527 oomAdjusted = true; 1528 mAm.updateOomAdjLocked(r.app); 1529 } 1530 int flags = 0; 1531 if (si.deliveryCount > 1) { 1532 flags |= Service.START_FLAG_RETRY; 1533 } 1534 if (si.doneExecutingCount > 0) { 1535 flags |= Service.START_FLAG_REDELIVERY; 1536 } 1537 r.app.thread.scheduleServiceArgs(r, si.taskRemoved, si.id, flags, si.intent); 1538 } catch (RemoteException e) { 1539 // Remote process gone... we'll let the normal cleanup take 1540 // care of this. 1541 if (DEBUG_SERVICE) Slog.v(TAG, "Crashed while scheduling start: " + r); 1542 break; 1543 } catch (Exception e) { 1544 Slog.w(TAG, "Unexpected exception", e); 1545 break; 1546 } 1547 } 1548 } 1549 1550 private final boolean isServiceNeeded(ServiceRecord r, boolean knowConn, boolean hasConn) { 1551 // Are we still explicitly being asked to run? 1552 if (r.startRequested) { 1553 return true; 1554 } 1555 1556 // Is someone still bound to us keepign us running? 1557 if (!knowConn) { 1558 hasConn = r.hasAutoCreateConnections(); 1559 } 1560 if (hasConn) { 1561 return true; 1562 } 1563 1564 return false; 1565 } 1566 1567 private final void bringDownServiceIfNeededLocked(ServiceRecord r, boolean knowConn, 1568 boolean hasConn) { 1569 //Slog.i(TAG, "Bring down service:"); 1570 //r.dump(" "); 1571 1572 if (isServiceNeeded(r, knowConn, hasConn)) { 1573 return; 1574 } 1575 1576 // Are we in the process of launching? 1577 if (mPendingServices.contains(r)) { 1578 return; 1579 } 1580 1581 bringDownServiceLocked(r); 1582 } 1583 1584 private final void bringDownServiceLocked(ServiceRecord r) { 1585 //Slog.i(TAG, "Bring down service:"); 1586 //r.dump(" "); 1587 1588 // Report to all of the connections that the service is no longer 1589 // available. 1590 for (int conni=r.connections.size()-1; conni>=0; conni--) { 1591 ArrayList<ConnectionRecord> c = r.connections.valueAt(conni); 1592 for (int i=0; i<c.size(); i++) { 1593 ConnectionRecord cr = c.get(i); 1594 // There is still a connection to the service that is 1595 // being brought down. Mark it as dead. 1596 cr.serviceDead = true; 1597 try { 1598 cr.conn.connected(r.name, null); 1599 } catch (Exception e) { 1600 Slog.w(TAG, "Failure disconnecting service " + r.name + 1601 " to connection " + c.get(i).conn.asBinder() + 1602 " (in " + c.get(i).binding.client.processName + ")", e); 1603 } 1604 } 1605 } 1606 1607 // Tell the service that it has been unbound. 1608 if (r.app != null && r.app.thread != null) { 1609 for (int i=r.bindings.size()-1; i>=0; i--) { 1610 IntentBindRecord ibr = r.bindings.valueAt(i); 1611 if (DEBUG_SERVICE) Slog.v(TAG, "Bringing down binding " + ibr 1612 + ": hasBound=" + ibr.hasBound); 1613 if (ibr.hasBound) { 1614 try { 1615 bumpServiceExecutingLocked(r, false, "bring down unbind"); 1616 mAm.updateOomAdjLocked(r.app); 1617 ibr.hasBound = false; 1618 r.app.thread.scheduleUnbindService(r, 1619 ibr.intent.getIntent()); 1620 } catch (Exception e) { 1621 Slog.w(TAG, "Exception when unbinding service " 1622 + r.shortName, e); 1623 serviceProcessGoneLocked(r); 1624 } 1625 } 1626 } 1627 } 1628 1629 if (DEBUG_SERVICE) Slog.v(TAG, "Bringing down " + r + " " + r.intent); 1630 EventLogTags.writeAmDestroyService( 1631 r.userId, System.identityHashCode(r), (r.app != null) ? r.app.pid : -1); 1632 1633 final ServiceMap smap = getServiceMap(r.userId); 1634 smap.mServicesByName.remove(r.name); 1635 smap.mServicesByIntent.remove(r.intent); 1636 r.totalRestartCount = 0; 1637 unscheduleServiceRestartLocked(r, 0, true); 1638 1639 // Also make sure it is not on the pending list. 1640 for (int i=mPendingServices.size()-1; i>=0; i--) { 1641 if (mPendingServices.get(i) == r) { 1642 mPendingServices.remove(i); 1643 if (DEBUG_SERVICE) Slog.v(TAG, "Removed pending: " + r); 1644 } 1645 } 1646 1647 r.cancelNotification(); 1648 r.isForeground = false; 1649 r.foregroundId = 0; 1650 r.foregroundNoti = null; 1651 1652 // Clear start entries. 1653 r.clearDeliveredStartsLocked(); 1654 r.pendingStarts.clear(); 1655 1656 if (r.app != null) { 1657 synchronized (r.stats.getBatteryStats()) { 1658 r.stats.stopLaunchedLocked(); 1659 } 1660 r.app.services.remove(r); 1661 if (r.app.thread != null) { 1662 updateServiceForegroundLocked(r.app, false); 1663 try { 1664 bumpServiceExecutingLocked(r, false, "destroy"); 1665 mDestroyingServices.add(r); 1666 mAm.updateOomAdjLocked(r.app); 1667 r.app.thread.scheduleStopService(r); 1668 } catch (Exception e) { 1669 Slog.w(TAG, "Exception when destroying service " 1670 + r.shortName, e); 1671 serviceProcessGoneLocked(r); 1672 } 1673 } else { 1674 if (DEBUG_SERVICE) Slog.v( 1675 TAG, "Removed service that has no process: " + r); 1676 } 1677 } else { 1678 if (DEBUG_SERVICE) Slog.v( 1679 TAG, "Removed service that is not running: " + r); 1680 } 1681 1682 if (r.bindings.size() > 0) { 1683 r.bindings.clear(); 1684 } 1685 1686 if (r.restarter instanceof ServiceRestarter) { 1687 ((ServiceRestarter)r.restarter).setService(null); 1688 } 1689 1690 int memFactor = mAm.mProcessStats.getMemFactorLocked(); 1691 long now = SystemClock.uptimeMillis(); 1692 if (r.tracker != null) { 1693 r.tracker.setStarted(false, memFactor, now); 1694 r.tracker.setBound(false, memFactor, now); 1695 if (r.executeNesting == 0) { 1696 r.tracker.clearCurrentOwner(r, false); 1697 r.tracker = null; 1698 } 1699 } 1700 1701 smap.ensureNotStartingBackground(r); 1702 } 1703 1704 void removeConnectionLocked( 1705 ConnectionRecord c, ProcessRecord skipApp, ActivityRecord skipAct) { 1706 IBinder binder = c.conn.asBinder(); 1707 AppBindRecord b = c.binding; 1708 ServiceRecord s = b.service; 1709 ArrayList<ConnectionRecord> clist = s.connections.get(binder); 1710 if (clist != null) { 1711 clist.remove(c); 1712 if (clist.size() == 0) { 1713 s.connections.remove(binder); 1714 } 1715 } 1716 b.connections.remove(c); 1717 if (c.activity != null && c.activity != skipAct) { 1718 if (c.activity.connections != null) { 1719 c.activity.connections.remove(c); 1720 } 1721 } 1722 if (b.client != skipApp) { 1723 b.client.connections.remove(c); 1724 if ((c.flags&Context.BIND_ABOVE_CLIENT) != 0) { 1725 b.client.updateHasAboveClientLocked(); 1726 } 1727 if (s.app != null) { 1728 updateServiceClientActivitiesLocked(s.app, c, true); 1729 } 1730 } 1731 clist = mServiceConnections.get(binder); 1732 if (clist != null) { 1733 clist.remove(c); 1734 if (clist.size() == 0) { 1735 mServiceConnections.remove(binder); 1736 } 1737 } 1738 1739 if (b.connections.size() == 0) { 1740 b.intent.apps.remove(b.client); 1741 } 1742 1743 if (!c.serviceDead) { 1744 if (DEBUG_SERVICE) Slog.v(TAG, "Disconnecting binding " + b.intent 1745 + ": shouldUnbind=" + b.intent.hasBound); 1746 if (s.app != null && s.app.thread != null && b.intent.apps.size() == 0 1747 && b.intent.hasBound) { 1748 try { 1749 bumpServiceExecutingLocked(s, false, "unbind"); 1750 if (b.client != s.app && (c.flags&Context.BIND_WAIVE_PRIORITY) == 0 1751 && s.app.setProcState <= ActivityManager.PROCESS_STATE_RECEIVER) { 1752 // If this service's process is not already in the cached list, 1753 // then update it in the LRU list here because this may be causing 1754 // it to go down there and we want it to start out near the top. 1755 mAm.updateLruProcessLocked(s.app, false, null); 1756 } 1757 mAm.updateOomAdjLocked(s.app); 1758 b.intent.hasBound = false; 1759 // Assume the client doesn't want to know about a rebind; 1760 // we will deal with that later if it asks for one. 1761 b.intent.doRebind = false; 1762 s.app.thread.scheduleUnbindService(s, b.intent.intent.getIntent()); 1763 } catch (Exception e) { 1764 Slog.w(TAG, "Exception when unbinding service " + s.shortName, e); 1765 serviceProcessGoneLocked(s); 1766 } 1767 } 1768 1769 if ((c.flags&Context.BIND_AUTO_CREATE) != 0) { 1770 boolean hasAutoCreate = s.hasAutoCreateConnections(); 1771 if (!hasAutoCreate) { 1772 if (s.tracker != null) { 1773 s.tracker.setBound(false, mAm.mProcessStats.getMemFactorLocked(), 1774 SystemClock.uptimeMillis()); 1775 } 1776 } 1777 bringDownServiceIfNeededLocked(s, true, hasAutoCreate); 1778 } 1779 } 1780 } 1781 1782 void serviceDoneExecutingLocked(ServiceRecord r, int type, int startId, int res) { 1783 boolean inDestroying = mDestroyingServices.contains(r); 1784 if (r != null) { 1785 if (type == 1) { 1786 // This is a call from a service start... take care of 1787 // book-keeping. 1788 r.callStart = true; 1789 switch (res) { 1790 case Service.START_STICKY_COMPATIBILITY: 1791 case Service.START_STICKY: { 1792 // We are done with the associated start arguments. 1793 r.findDeliveredStart(startId, true); 1794 // Don't stop if killed. 1795 r.stopIfKilled = false; 1796 break; 1797 } 1798 case Service.START_NOT_STICKY: { 1799 // We are done with the associated start arguments. 1800 r.findDeliveredStart(startId, true); 1801 if (r.getLastStartId() == startId) { 1802 // There is no more work, and this service 1803 // doesn't want to hang around if killed. 1804 r.stopIfKilled = true; 1805 } 1806 break; 1807 } 1808 case Service.START_REDELIVER_INTENT: { 1809 // We'll keep this item until they explicitly 1810 // call stop for it, but keep track of the fact 1811 // that it was delivered. 1812 ServiceRecord.StartItem si = r.findDeliveredStart(startId, false); 1813 if (si != null) { 1814 si.deliveryCount = 0; 1815 si.doneExecutingCount++; 1816 // Don't stop if killed. 1817 r.stopIfKilled = true; 1818 } 1819 break; 1820 } 1821 case Service.START_TASK_REMOVED_COMPLETE: { 1822 // Special processing for onTaskRemoved(). Don't 1823 // impact normal onStartCommand() processing. 1824 r.findDeliveredStart(startId, true); 1825 break; 1826 } 1827 default: 1828 throw new IllegalArgumentException( 1829 "Unknown service start result: " + res); 1830 } 1831 if (res == Service.START_STICKY_COMPATIBILITY) { 1832 r.callStart = false; 1833 } 1834 } 1835 final long origId = Binder.clearCallingIdentity(); 1836 serviceDoneExecutingLocked(r, inDestroying, inDestroying); 1837 Binder.restoreCallingIdentity(origId); 1838 } else { 1839 Slog.w(TAG, "Done executing unknown service from pid " 1840 + Binder.getCallingPid()); 1841 } 1842 } 1843 1844 private void serviceProcessGoneLocked(ServiceRecord r) { 1845 if (r.tracker != null) { 1846 int memFactor = mAm.mProcessStats.getMemFactorLocked(); 1847 long now = SystemClock.uptimeMillis(); 1848 r.tracker.setExecuting(false, memFactor, now); 1849 r.tracker.setBound(false, memFactor, now); 1850 r.tracker.setStarted(false, memFactor, now); 1851 } 1852 serviceDoneExecutingLocked(r, true, true); 1853 } 1854 1855 private void serviceDoneExecutingLocked(ServiceRecord r, boolean inDestroying, 1856 boolean finishing) { 1857 if (DEBUG_SERVICE) Slog.v(TAG, "<<< DONE EXECUTING " + r 1858 + ": nesting=" + r.executeNesting 1859 + ", inDestroying=" + inDestroying + ", app=" + r.app); 1860 else if (DEBUG_SERVICE_EXECUTING) Slog.v(TAG, "<<< DONE EXECUTING " + r.shortName); 1861 r.executeNesting--; 1862 if (r.executeNesting <= 0) { 1863 if (r.app != null) { 1864 if (DEBUG_SERVICE) Slog.v(TAG, 1865 "Nesting at 0 of " + r.shortName); 1866 r.app.execServicesFg = false; 1867 r.app.executingServices.remove(r); 1868 if (r.app.executingServices.size() == 0) { 1869 if (DEBUG_SERVICE || DEBUG_SERVICE_EXECUTING) Slog.v(TAG, 1870 "No more executingServices of " + r.shortName); 1871 mAm.mHandler.removeMessages(ActivityManagerService.SERVICE_TIMEOUT_MSG, r.app); 1872 } else if (r.executeFg) { 1873 // Need to re-evaluate whether the app still needs to be in the foreground. 1874 for (int i=r.app.executingServices.size()-1; i>=0; i--) { 1875 if (r.app.executingServices.valueAt(i).executeFg) { 1876 r.app.execServicesFg = true; 1877 break; 1878 } 1879 } 1880 } 1881 if (inDestroying) { 1882 if (DEBUG_SERVICE) Slog.v(TAG, 1883 "doneExecuting remove destroying " + r); 1884 mDestroyingServices.remove(r); 1885 r.bindings.clear(); 1886 } 1887 mAm.updateOomAdjLocked(r.app); 1888 } 1889 r.executeFg = false; 1890 if (r.tracker != null) { 1891 r.tracker.setExecuting(false, mAm.mProcessStats.getMemFactorLocked(), 1892 SystemClock.uptimeMillis()); 1893 if (finishing) { 1894 r.tracker.clearCurrentOwner(r, false); 1895 r.tracker = null; 1896 } 1897 } 1898 if (finishing) { 1899 if (r.app != null && !r.app.persistent) { 1900 r.app.services.remove(r); 1901 } 1902 r.app = null; 1903 } 1904 } 1905 } 1906 1907 boolean attachApplicationLocked(ProcessRecord proc, String processName) throws Exception { 1908 boolean didSomething = false; 1909 // Collect any services that are waiting for this process to come up. 1910 if (mPendingServices.size() > 0) { 1911 ServiceRecord sr = null; 1912 try { 1913 for (int i=0; i<mPendingServices.size(); i++) { 1914 sr = mPendingServices.get(i); 1915 if (proc != sr.isolatedProc && (proc.uid != sr.appInfo.uid 1916 || !processName.equals(sr.processName))) { 1917 continue; 1918 } 1919 1920 mPendingServices.remove(i); 1921 i--; 1922 proc.addPackage(sr.appInfo.packageName, sr.appInfo.versionCode, 1923 mAm.mProcessStats); 1924 realStartServiceLocked(sr, proc, sr.createdFromFg); 1925 didSomething = true; 1926 } 1927 } catch (Exception e) { 1928 Slog.w(TAG, "Exception in new application when starting service " 1929 + sr.shortName, e); 1930 throw e; 1931 } 1932 } 1933 // Also, if there are any services that are waiting to restart and 1934 // would run in this process, now is a good time to start them. It would 1935 // be weird to bring up the process but arbitrarily not let the services 1936 // run at this point just because their restart time hasn't come up. 1937 if (mRestartingServices.size() > 0) { 1938 ServiceRecord sr = null; 1939 for (int i=0; i<mRestartingServices.size(); i++) { 1940 sr = mRestartingServices.get(i); 1941 if (proc != sr.isolatedProc && (proc.uid != sr.appInfo.uid 1942 || !processName.equals(sr.processName))) { 1943 continue; 1944 } 1945 mAm.mHandler.removeCallbacks(sr.restarter); 1946 mAm.mHandler.post(sr.restarter); 1947 } 1948 } 1949 return didSomething; 1950 } 1951 1952 void processStartTimedOutLocked(ProcessRecord proc) { 1953 for (int i=0; i<mPendingServices.size(); i++) { 1954 ServiceRecord sr = mPendingServices.get(i); 1955 if ((proc.uid == sr.appInfo.uid 1956 && proc.processName.equals(sr.processName)) 1957 || sr.isolatedProc == proc) { 1958 Slog.w(TAG, "Forcing bringing down service: " + sr); 1959 sr.isolatedProc = null; 1960 mPendingServices.remove(i); 1961 i--; 1962 bringDownServiceLocked(sr); 1963 } 1964 } 1965 } 1966 1967 private boolean collectForceStopServicesLocked(String name, int userId, 1968 boolean evenPersistent, boolean doit, 1969 ArrayMap<ComponentName, ServiceRecord> services, 1970 ArrayList<ServiceRecord> result) { 1971 boolean didSomething = false; 1972 for (int i=0; i<services.size(); i++) { 1973 ServiceRecord service = services.valueAt(i); 1974 if ((name == null || service.packageName.equals(name)) 1975 && (service.app == null || evenPersistent || !service.app.persistent)) { 1976 if (!doit) { 1977 return true; 1978 } 1979 didSomething = true; 1980 Slog.i(TAG, " Force stopping service " + service); 1981 if (service.app != null) { 1982 service.app.removed = true; 1983 if (!service.app.persistent) { 1984 service.app.services.remove(service); 1985 } 1986 } 1987 service.app = null; 1988 service.isolatedProc = null; 1989 result.add(service); 1990 } 1991 } 1992 return didSomething; 1993 } 1994 1995 boolean forceStopLocked(String name, int userId, boolean evenPersistent, boolean doit) { 1996 boolean didSomething = false; 1997 ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); 1998 if (userId == UserHandle.USER_ALL) { 1999 for (int i=0; i<mServiceMap.size(); i++) { 2000 didSomething |= collectForceStopServicesLocked(name, userId, evenPersistent, 2001 doit, mServiceMap.valueAt(i).mServicesByName, services); 2002 if (!doit && didSomething) { 2003 return true; 2004 } 2005 } 2006 } else { 2007 ServiceMap smap = mServiceMap.get(userId); 2008 if (smap != null) { 2009 ArrayMap<ComponentName, ServiceRecord> items = smap.mServicesByName; 2010 didSomething = collectForceStopServicesLocked(name, userId, evenPersistent, 2011 doit, items, services); 2012 } 2013 } 2014 2015 int N = services.size(); 2016 for (int i=0; i<N; i++) { 2017 bringDownServiceLocked(services.get(i)); 2018 } 2019 return didSomething; 2020 } 2021 2022 void cleanUpRemovedTaskLocked(TaskRecord tr, ComponentName component, Intent baseIntent) { 2023 ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); 2024 ArrayMap<ComponentName, ServiceRecord> alls = getServices(tr.userId); 2025 for (int i=0; i<alls.size(); i++) { 2026 ServiceRecord sr = alls.valueAt(i); 2027 if (sr.packageName.equals(component.getPackageName())) { 2028 services.add(sr); 2029 } 2030 } 2031 2032 // Take care of any running services associated with the app. 2033 for (int i=0; i<services.size(); i++) { 2034 ServiceRecord sr = services.get(i); 2035 if (sr.startRequested) { 2036 if ((sr.serviceInfo.flags&ServiceInfo.FLAG_STOP_WITH_TASK) != 0) { 2037 Slog.i(TAG, "Stopping service " + sr.shortName + ": remove task"); 2038 stopServiceLocked(sr); 2039 } else { 2040 sr.pendingStarts.add(new ServiceRecord.StartItem(sr, true, 2041 sr.makeNextStartId(), baseIntent, null)); 2042 if (sr.app != null && sr.app.thread != null) { 2043 // We always run in the foreground, since this is called as 2044 // part of the "remove task" UI operation. 2045 sendServiceArgsLocked(sr, true, false); 2046 } 2047 } 2048 } 2049 } 2050 } 2051 2052 final void killServicesLocked(ProcessRecord app, boolean allowRestart) { 2053 // Report disconnected services. 2054 if (false) { 2055 // XXX we are letting the client link to the service for 2056 // death notifications. 2057 if (app.services.size() > 0) { 2058 Iterator<ServiceRecord> it = app.services.iterator(); 2059 while (it.hasNext()) { 2060 ServiceRecord r = it.next(); 2061 for (int conni=r.connections.size()-1; conni>=0; conni--) { 2062 ArrayList<ConnectionRecord> cl = r.connections.valueAt(conni); 2063 for (int i=0; i<cl.size(); i++) { 2064 ConnectionRecord c = cl.get(i); 2065 if (c.binding.client != app) { 2066 try { 2067 //c.conn.connected(r.className, null); 2068 } catch (Exception e) { 2069 // todo: this should be asynchronous! 2070 Slog.w(TAG, "Exception thrown disconnected servce " 2071 + r.shortName 2072 + " from app " + app.processName, e); 2073 } 2074 } 2075 } 2076 } 2077 } 2078 } 2079 } 2080 2081 // First clear app state from services. 2082 for (int i=app.services.size()-1; i>=0; i--) { 2083 ServiceRecord sr = app.services.valueAt(i); 2084 synchronized (sr.stats.getBatteryStats()) { 2085 sr.stats.stopLaunchedLocked(); 2086 } 2087 if (sr.app != app && sr.app != null && !sr.app.persistent) { 2088 sr.app.services.remove(sr); 2089 } 2090 sr.app = null; 2091 sr.isolatedProc = null; 2092 sr.executeNesting = 0; 2093 sr.forceClearTracker(); 2094 if (mDestroyingServices.remove(sr)) { 2095 if (DEBUG_SERVICE) Slog.v(TAG, "killServices remove destroying " + sr); 2096 } 2097 2098 final int numClients = sr.bindings.size(); 2099 for (int bindingi=numClients-1; bindingi>=0; bindingi--) { 2100 IntentBindRecord b = sr.bindings.valueAt(bindingi); 2101 if (DEBUG_SERVICE) Slog.v(TAG, "Killing binding " + b 2102 + ": shouldUnbind=" + b.hasBound); 2103 b.binder = null; 2104 b.requested = b.received = b.hasBound = false; 2105 // If this binding is coming from a cached process and is asking to keep 2106 // the service created, then we'll kill the cached process as well -- we 2107 // don't want to be thrashing around restarting processes that are only 2108 // there to be cached. 2109 for (int appi=b.apps.size()-1; appi>=0; appi--) { 2110 final ProcessRecord proc = b.apps.keyAt(appi); 2111 // If the process is already gone, skip it. 2112 if (proc.killedByAm || proc.thread == null) { 2113 continue; 2114 } 2115 // Only do this for processes that have an auto-create binding; 2116 // otherwise the binding can be left, because it won't cause the 2117 // service to restart. 2118 final AppBindRecord abind = b.apps.valueAt(appi); 2119 boolean hasCreate = false; 2120 for (int conni=abind.connections.size()-1; conni>=0; conni--) { 2121 ConnectionRecord conn = abind.connections.valueAt(conni); 2122 if ((conn.flags&(Context.BIND_AUTO_CREATE|Context.BIND_ALLOW_OOM_MANAGEMENT 2123 |Context.BIND_WAIVE_PRIORITY)) == Context.BIND_AUTO_CREATE) { 2124 hasCreate = true; 2125 break; 2126 } 2127 } 2128 if (!hasCreate) { 2129 continue; 2130 } 2131 if (proc != null && !proc.persistent && proc.thread != null 2132 && proc.pid != 0 && proc.pid != ActivityManagerService.MY_PID 2133 && proc.setProcState >= ActivityManager.PROCESS_STATE_LAST_ACTIVITY) { 2134 proc.kill("bound to service " + sr.name.flattenToShortString() 2135 + " in dying proc " + (app != null ? app.processName : "??"), true); 2136 } 2137 } 2138 } 2139 } 2140 2141 // Clean up any connections this application has to other services. 2142 for (int i=app.connections.size()-1; i>=0; i--) { 2143 ConnectionRecord r = app.connections.valueAt(i); 2144 removeConnectionLocked(r, app, null); 2145 } 2146 updateServiceConnectionActivitiesLocked(app); 2147 app.connections.clear(); 2148 2149 ServiceMap smap = getServiceMap(app.userId); 2150 2151 // Now do remaining service cleanup. 2152 for (int i=app.services.size()-1; i>=0; i--) { 2153 ServiceRecord sr = app.services.valueAt(i); 2154 2155 // Unless the process is persistent, this process record is going away, 2156 // so make sure the service is cleaned out of it. 2157 if (!app.persistent) { 2158 app.services.removeAt(i); 2159 } 2160 2161 // Sanity check: if the service listed for the app is not one 2162 // we actually are maintaining, just let it drop. 2163 final ServiceRecord curRec = smap.mServicesByName.get(sr.name); 2164 if (curRec != sr) { 2165 if (curRec != null) { 2166 Slog.wtf(TAG, "Service " + sr + " in process " + app 2167 + " not same as in map: " + curRec); 2168 } 2169 continue; 2170 } 2171 2172 // Any services running in the application may need to be placed 2173 // back in the pending list. 2174 if (allowRestart && sr.crashCount >= 2 && (sr.serviceInfo.applicationInfo.flags 2175 &ApplicationInfo.FLAG_PERSISTENT) == 0) { 2176 Slog.w(TAG, "Service crashed " + sr.crashCount 2177 + " times, stopping: " + sr); 2178 EventLog.writeEvent(EventLogTags.AM_SERVICE_CRASHED_TOO_MUCH, 2179 sr.userId, sr.crashCount, sr.shortName, app.pid); 2180 bringDownServiceLocked(sr); 2181 } else if (!allowRestart) { 2182 bringDownServiceLocked(sr); 2183 } else { 2184 boolean canceled = scheduleServiceRestartLocked(sr, true); 2185 2186 // Should the service remain running? Note that in the 2187 // extreme case of so many attempts to deliver a command 2188 // that it failed we also will stop it here. 2189 if (sr.startRequested && (sr.stopIfKilled || canceled)) { 2190 if (sr.pendingStarts.size() == 0) { 2191 sr.startRequested = false; 2192 if (sr.tracker != null) { 2193 sr.tracker.setStarted(false, mAm.mProcessStats.getMemFactorLocked(), 2194 SystemClock.uptimeMillis()); 2195 } 2196 if (!sr.hasAutoCreateConnections()) { 2197 // Whoops, no reason to restart! 2198 bringDownServiceLocked(sr); 2199 } 2200 } 2201 } 2202 } 2203 } 2204 2205 if (!allowRestart) { 2206 app.services.clear(); 2207 2208 // Make sure there are no more restarting services for this process. 2209 for (int i=mRestartingServices.size()-1; i>=0; i--) { 2210 ServiceRecord r = mRestartingServices.get(i); 2211 if (r.processName.equals(app.processName) && 2212 r.serviceInfo.applicationInfo.uid == app.info.uid) { 2213 mRestartingServices.remove(i); 2214 clearRestartingIfNeededLocked(r); 2215 } 2216 } 2217 for (int i=mPendingServices.size()-1; i>=0; i--) { 2218 ServiceRecord r = mPendingServices.get(i); 2219 if (r.processName.equals(app.processName) && 2220 r.serviceInfo.applicationInfo.uid == app.info.uid) { 2221 mPendingServices.remove(i); 2222 } 2223 } 2224 } 2225 2226 // Make sure we have no more records on the stopping list. 2227 int i = mDestroyingServices.size(); 2228 while (i > 0) { 2229 i--; 2230 ServiceRecord sr = mDestroyingServices.get(i); 2231 if (sr.app == app) { 2232 sr.forceClearTracker(); 2233 mDestroyingServices.remove(i); 2234 if (DEBUG_SERVICE) Slog.v(TAG, "killServices remove destroying " + sr); 2235 } 2236 } 2237 2238 app.executingServices.clear(); 2239 } 2240 2241 ActivityManager.RunningServiceInfo makeRunningServiceInfoLocked(ServiceRecord r) { 2242 ActivityManager.RunningServiceInfo info = 2243 new ActivityManager.RunningServiceInfo(); 2244 info.service = r.name; 2245 if (r.app != null) { 2246 info.pid = r.app.pid; 2247 } 2248 info.uid = r.appInfo.uid; 2249 info.process = r.processName; 2250 info.foreground = r.isForeground; 2251 info.activeSince = r.createTime; 2252 info.started = r.startRequested; 2253 info.clientCount = r.connections.size(); 2254 info.crashCount = r.crashCount; 2255 info.lastActivityTime = r.lastActivity; 2256 if (r.isForeground) { 2257 info.flags |= ActivityManager.RunningServiceInfo.FLAG_FOREGROUND; 2258 } 2259 if (r.startRequested) { 2260 info.flags |= ActivityManager.RunningServiceInfo.FLAG_STARTED; 2261 } 2262 if (r.app != null && r.app.pid == ActivityManagerService.MY_PID) { 2263 info.flags |= ActivityManager.RunningServiceInfo.FLAG_SYSTEM_PROCESS; 2264 } 2265 if (r.app != null && r.app.persistent) { 2266 info.flags |= ActivityManager.RunningServiceInfo.FLAG_PERSISTENT_PROCESS; 2267 } 2268 2269 for (int conni=r.connections.size()-1; conni>=0; conni--) { 2270 ArrayList<ConnectionRecord> connl = r.connections.valueAt(conni); 2271 for (int i=0; i<connl.size(); i++) { 2272 ConnectionRecord conn = connl.get(i); 2273 if (conn.clientLabel != 0) { 2274 info.clientPackage = conn.binding.client.info.packageName; 2275 info.clientLabel = conn.clientLabel; 2276 return info; 2277 } 2278 } 2279 } 2280 return info; 2281 } 2282 2283 List<ActivityManager.RunningServiceInfo> getRunningServiceInfoLocked(int maxNum, 2284 int flags) { 2285 ArrayList<ActivityManager.RunningServiceInfo> res 2286 = new ArrayList<ActivityManager.RunningServiceInfo>(); 2287 2288 final int uid = Binder.getCallingUid(); 2289 final long ident = Binder.clearCallingIdentity(); 2290 try { 2291 if (ActivityManager.checkUidPermission( 2292 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 2293 uid) == PackageManager.PERMISSION_GRANTED) { 2294 int[] users = mAm.getUsersLocked(); 2295 for (int ui=0; ui<users.length && res.size() < maxNum; ui++) { 2296 ArrayMap<ComponentName, ServiceRecord> alls = getServices(users[ui]); 2297 for (int i=0; i<alls.size() && res.size() < maxNum; i++) { 2298 ServiceRecord sr = alls.valueAt(i); 2299 res.add(makeRunningServiceInfoLocked(sr)); 2300 } 2301 } 2302 2303 for (int i=0; i<mRestartingServices.size() && res.size() < maxNum; i++) { 2304 ServiceRecord r = mRestartingServices.get(i); 2305 ActivityManager.RunningServiceInfo info = 2306 makeRunningServiceInfoLocked(r); 2307 info.restarting = r.nextRestartTime; 2308 res.add(info); 2309 } 2310 } else { 2311 int userId = UserHandle.getUserId(uid); 2312 ArrayMap<ComponentName, ServiceRecord> alls = getServices(userId); 2313 for (int i=0; i<alls.size() && res.size() < maxNum; i++) { 2314 ServiceRecord sr = alls.valueAt(i); 2315 res.add(makeRunningServiceInfoLocked(sr)); 2316 } 2317 2318 for (int i=0; i<mRestartingServices.size() && res.size() < maxNum; i++) { 2319 ServiceRecord r = mRestartingServices.get(i); 2320 if (r.userId == userId) { 2321 ActivityManager.RunningServiceInfo info = 2322 makeRunningServiceInfoLocked(r); 2323 info.restarting = r.nextRestartTime; 2324 res.add(info); 2325 } 2326 } 2327 } 2328 } finally { 2329 Binder.restoreCallingIdentity(ident); 2330 } 2331 2332 return res; 2333 } 2334 2335 public PendingIntent getRunningServiceControlPanelLocked(ComponentName name) { 2336 int userId = UserHandle.getUserId(Binder.getCallingUid()); 2337 ServiceRecord r = getServiceByName(name, userId); 2338 if (r != null) { 2339 for (int conni=r.connections.size()-1; conni>=0; conni--) { 2340 ArrayList<ConnectionRecord> conn = r.connections.valueAt(conni); 2341 for (int i=0; i<conn.size(); i++) { 2342 if (conn.get(i).clientIntent != null) { 2343 return conn.get(i).clientIntent; 2344 } 2345 } 2346 } 2347 } 2348 return null; 2349 } 2350 2351 void serviceTimeout(ProcessRecord proc) { 2352 String anrMessage = null; 2353 2354 synchronized(mAm) { 2355 if (proc.executingServices.size() == 0 || proc.thread == null) { 2356 return; 2357 } 2358 long maxTime = SystemClock.uptimeMillis() - 2359 (proc.execServicesFg ? SERVICE_TIMEOUT : SERVICE_BACKGROUND_TIMEOUT); 2360 ServiceRecord timeout = null; 2361 long nextTime = 0; 2362 for (int i=proc.executingServices.size()-1; i>=0; i--) { 2363 ServiceRecord sr = proc.executingServices.valueAt(i); 2364 if (sr.executingStart < maxTime) { 2365 timeout = sr; 2366 break; 2367 } 2368 if (sr.executingStart > nextTime) { 2369 nextTime = sr.executingStart; 2370 } 2371 } 2372 if (timeout != null && mAm.mLruProcesses.contains(proc)) { 2373 Slog.w(TAG, "Timeout executing service: " + timeout); 2374 anrMessage = "Executing service " + timeout.shortName; 2375 } else { 2376 Message msg = mAm.mHandler.obtainMessage( 2377 ActivityManagerService.SERVICE_TIMEOUT_MSG); 2378 msg.obj = proc; 2379 mAm.mHandler.sendMessageAtTime(msg, proc.execServicesFg 2380 ? (nextTime+SERVICE_TIMEOUT) : (nextTime + SERVICE_BACKGROUND_TIMEOUT)); 2381 } 2382 } 2383 2384 if (anrMessage != null) { 2385 mAm.appNotResponding(proc, null, null, false, anrMessage); 2386 } 2387 } 2388 2389 void scheduleServiceTimeoutLocked(ProcessRecord proc) { 2390 if (proc.executingServices.size() == 0 || proc.thread == null) { 2391 return; 2392 } 2393 long now = SystemClock.uptimeMillis(); 2394 Message msg = mAm.mHandler.obtainMessage( 2395 ActivityManagerService.SERVICE_TIMEOUT_MSG); 2396 msg.obj = proc; 2397 mAm.mHandler.sendMessageAtTime(msg, 2398 proc.execServicesFg ? (now+SERVICE_TIMEOUT) : (now+ SERVICE_BACKGROUND_TIMEOUT)); 2399 } 2400 2401 /** 2402 * Prints a list of ServiceRecords (dumpsys activity services) 2403 */ 2404 void dumpServicesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 2405 int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) { 2406 boolean needSep = false; 2407 boolean printedAnything = false; 2408 2409 ItemMatcher matcher = new ItemMatcher(); 2410 matcher.build(args, opti); 2411 2412 pw.println("ACTIVITY MANAGER SERVICES (dumpsys activity services)"); 2413 try { 2414 int[] users = mAm.getUsersLocked(); 2415 for (int user : users) { 2416 ServiceMap smap = getServiceMap(user); 2417 boolean printed = false; 2418 if (smap.mServicesByName.size() > 0) { 2419 long nowReal = SystemClock.elapsedRealtime(); 2420 needSep = false; 2421 for (int si=0; si<smap.mServicesByName.size(); si++) { 2422 ServiceRecord r = smap.mServicesByName.valueAt(si); 2423 if (!matcher.match(r, r.name)) { 2424 continue; 2425 } 2426 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2427 continue; 2428 } 2429 if (!printed) { 2430 if (printedAnything) { 2431 pw.println(); 2432 } 2433 pw.println(" User " + user + " active services:"); 2434 printed = true; 2435 } 2436 printedAnything = true; 2437 if (needSep) { 2438 pw.println(); 2439 } 2440 pw.print(" * "); 2441 pw.println(r); 2442 if (dumpAll) { 2443 r.dump(pw, " "); 2444 needSep = true; 2445 } else { 2446 pw.print(" app="); 2447 pw.println(r.app); 2448 pw.print(" created="); 2449 TimeUtils.formatDuration(r.createTime, nowReal, pw); 2450 pw.print(" started="); 2451 pw.print(r.startRequested); 2452 pw.print(" connections="); 2453 pw.println(r.connections.size()); 2454 if (r.connections.size() > 0) { 2455 pw.println(" Connections:"); 2456 for (int conni=0; conni<r.connections.size(); conni++) { 2457 ArrayList<ConnectionRecord> clist = r.connections.valueAt(conni); 2458 for (int i = 0; i < clist.size(); i++) { 2459 ConnectionRecord conn = clist.get(i); 2460 pw.print(" "); 2461 pw.print(conn.binding.intent.intent.getIntent() 2462 .toShortString(false, false, false, false)); 2463 pw.print(" -> "); 2464 ProcessRecord proc = conn.binding.client; 2465 pw.println(proc != null ? proc.toShortString() : "null"); 2466 } 2467 } 2468 } 2469 } 2470 if (dumpClient && r.app != null && r.app.thread != null) { 2471 pw.println(" Client:"); 2472 pw.flush(); 2473 try { 2474 TransferPipe tp = new TransferPipe(); 2475 try { 2476 r.app.thread.dumpService(tp.getWriteFd().getFileDescriptor(), 2477 r, args); 2478 tp.setBufferPrefix(" "); 2479 // Short timeout, since blocking here can 2480 // deadlock with the application. 2481 tp.go(fd, 2000); 2482 } finally { 2483 tp.kill(); 2484 } 2485 } catch (IOException e) { 2486 pw.println(" Failure while dumping the service: " + e); 2487 } catch (RemoteException e) { 2488 pw.println(" Got a RemoteException while dumping the service"); 2489 } 2490 needSep = true; 2491 } 2492 } 2493 needSep |= printed; 2494 } 2495 printed = false; 2496 for (int si=0, SN=smap.mDelayedStartList.size(); si<SN; si++) { 2497 ServiceRecord r = smap.mDelayedStartList.get(si); 2498 if (!matcher.match(r, r.name)) { 2499 continue; 2500 } 2501 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2502 continue; 2503 } 2504 if (!printed) { 2505 if (printedAnything) { 2506 pw.println(); 2507 } 2508 pw.println(" User " + user + " delayed start services:"); 2509 printed = true; 2510 } 2511 printedAnything = true; 2512 pw.print(" * Delayed start "); pw.println(r); 2513 } 2514 printed = false; 2515 for (int si=0, SN=smap.mStartingBackground.size(); si<SN; si++) { 2516 ServiceRecord r = smap.mStartingBackground.get(si); 2517 if (!matcher.match(r, r.name)) { 2518 continue; 2519 } 2520 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2521 continue; 2522 } 2523 if (!printed) { 2524 if (printedAnything) { 2525 pw.println(); 2526 } 2527 pw.println(" User " + user + " starting in background:"); 2528 printed = true; 2529 } 2530 printedAnything = true; 2531 pw.print(" * Starting bg "); pw.println(r); 2532 } 2533 } 2534 } catch (Exception e) { 2535 Slog.w(TAG, "Exception in dumpServicesLocked", e); 2536 } 2537 2538 if (mPendingServices.size() > 0) { 2539 boolean printed = false; 2540 for (int i=0; i<mPendingServices.size(); i++) { 2541 ServiceRecord r = mPendingServices.get(i); 2542 if (!matcher.match(r, r.name)) { 2543 continue; 2544 } 2545 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2546 continue; 2547 } 2548 printedAnything = true; 2549 if (!printed) { 2550 if (needSep) pw.println(); 2551 needSep = true; 2552 pw.println(" Pending services:"); 2553 printed = true; 2554 } 2555 pw.print(" * Pending "); pw.println(r); 2556 r.dump(pw, " "); 2557 } 2558 needSep = true; 2559 } 2560 2561 if (mRestartingServices.size() > 0) { 2562 boolean printed = false; 2563 for (int i=0; i<mRestartingServices.size(); i++) { 2564 ServiceRecord r = mRestartingServices.get(i); 2565 if (!matcher.match(r, r.name)) { 2566 continue; 2567 } 2568 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2569 continue; 2570 } 2571 printedAnything = true; 2572 if (!printed) { 2573 if (needSep) pw.println(); 2574 needSep = true; 2575 pw.println(" Restarting services:"); 2576 printed = true; 2577 } 2578 pw.print(" * Restarting "); pw.println(r); 2579 r.dump(pw, " "); 2580 } 2581 needSep = true; 2582 } 2583 2584 if (mDestroyingServices.size() > 0) { 2585 boolean printed = false; 2586 for (int i=0; i< mDestroyingServices.size(); i++) { 2587 ServiceRecord r = mDestroyingServices.get(i); 2588 if (!matcher.match(r, r.name)) { 2589 continue; 2590 } 2591 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2592 continue; 2593 } 2594 printedAnything = true; 2595 if (!printed) { 2596 if (needSep) pw.println(); 2597 needSep = true; 2598 pw.println(" Destroying services:"); 2599 printed = true; 2600 } 2601 pw.print(" * Destroy "); pw.println(r); 2602 r.dump(pw, " "); 2603 } 2604 needSep = true; 2605 } 2606 2607 if (dumpAll) { 2608 boolean printed = false; 2609 for (int ic=0; ic<mServiceConnections.size(); ic++) { 2610 ArrayList<ConnectionRecord> r = mServiceConnections.valueAt(ic); 2611 for (int i=0; i<r.size(); i++) { 2612 ConnectionRecord cr = r.get(i); 2613 if (!matcher.match(cr.binding.service, cr.binding.service.name)) { 2614 continue; 2615 } 2616 if (dumpPackage != null && (cr.binding.client == null 2617 || !dumpPackage.equals(cr.binding.client.info.packageName))) { 2618 continue; 2619 } 2620 printedAnything = true; 2621 if (!printed) { 2622 if (needSep) pw.println(); 2623 needSep = true; 2624 pw.println(" Connection bindings to services:"); 2625 printed = true; 2626 } 2627 pw.print(" * "); pw.println(cr); 2628 cr.dump(pw, " "); 2629 } 2630 } 2631 } 2632 2633 if (!printedAnything) { 2634 pw.println(" (nothing)"); 2635 } 2636 } 2637 2638 /** 2639 * There are three ways to call this: 2640 * - no service specified: dump all the services 2641 * - a flattened component name that matched an existing service was specified as the 2642 * first arg: dump that one service 2643 * - the first arg isn't the flattened component name of an existing service: 2644 * dump all services whose component contains the first arg as a substring 2645 */ 2646 protected boolean dumpService(FileDescriptor fd, PrintWriter pw, String name, String[] args, 2647 int opti, boolean dumpAll) { 2648 ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); 2649 2650 synchronized (mAm) { 2651 int[] users = mAm.getUsersLocked(); 2652 if ("all".equals(name)) { 2653 for (int user : users) { 2654 ServiceMap smap = mServiceMap.get(user); 2655 if (smap == null) { 2656 continue; 2657 } 2658 ArrayMap<ComponentName, ServiceRecord> alls = smap.mServicesByName; 2659 for (int i=0; i<alls.size(); i++) { 2660 ServiceRecord r1 = alls.valueAt(i); 2661 services.add(r1); 2662 } 2663 } 2664 } else { 2665 ComponentName componentName = name != null 2666 ? ComponentName.unflattenFromString(name) : null; 2667 int objectId = 0; 2668 if (componentName == null) { 2669 // Not a '/' separated full component name; maybe an object ID? 2670 try { 2671 objectId = Integer.parseInt(name, 16); 2672 name = null; 2673 componentName = null; 2674 } catch (RuntimeException e) { 2675 } 2676 } 2677 2678 for (int user : users) { 2679 ServiceMap smap = mServiceMap.get(user); 2680 if (smap == null) { 2681 continue; 2682 } 2683 ArrayMap<ComponentName, ServiceRecord> alls = smap.mServicesByName; 2684 for (int i=0; i<alls.size(); i++) { 2685 ServiceRecord r1 = alls.valueAt(i); 2686 if (componentName != null) { 2687 if (r1.name.equals(componentName)) { 2688 services.add(r1); 2689 } 2690 } else if (name != null) { 2691 if (r1.name.flattenToString().contains(name)) { 2692 services.add(r1); 2693 } 2694 } else if (System.identityHashCode(r1) == objectId) { 2695 services.add(r1); 2696 } 2697 } 2698 } 2699 } 2700 } 2701 2702 if (services.size() <= 0) { 2703 return false; 2704 } 2705 2706 boolean needSep = false; 2707 for (int i=0; i<services.size(); i++) { 2708 if (needSep) { 2709 pw.println(); 2710 } 2711 needSep = true; 2712 dumpService("", fd, pw, services.get(i), args, dumpAll); 2713 } 2714 return true; 2715 } 2716 2717 /** 2718 * Invokes IApplicationThread.dumpService() on the thread of the specified service if 2719 * there is a thread associated with the service. 2720 */ 2721 private void dumpService(String prefix, FileDescriptor fd, PrintWriter pw, 2722 final ServiceRecord r, String[] args, boolean dumpAll) { 2723 String innerPrefix = prefix + " "; 2724 synchronized (mAm) { 2725 pw.print(prefix); pw.print("SERVICE "); 2726 pw.print(r.shortName); pw.print(" "); 2727 pw.print(Integer.toHexString(System.identityHashCode(r))); 2728 pw.print(" pid="); 2729 if (r.app != null) pw.println(r.app.pid); 2730 else pw.println("(not running)"); 2731 if (dumpAll) { 2732 r.dump(pw, innerPrefix); 2733 } 2734 } 2735 if (r.app != null && r.app.thread != null) { 2736 pw.print(prefix); pw.println(" Client:"); 2737 pw.flush(); 2738 try { 2739 TransferPipe tp = new TransferPipe(); 2740 try { 2741 r.app.thread.dumpService(tp.getWriteFd().getFileDescriptor(), r, args); 2742 tp.setBufferPrefix(prefix + " "); 2743 tp.go(fd); 2744 } finally { 2745 tp.kill(); 2746 } 2747 } catch (IOException e) { 2748 pw.println(prefix + " Failure while dumping the service: " + e); 2749 } catch (RemoteException e) { 2750 pw.println(prefix + " Got a RemoteException while dumping the service"); 2751 } 2752 } 2753 } 2754 2755} 2756