ActiveServices.java revision 7622a0f8e4198adf0aae5d4e167ee132b34f4cdb
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 if (clist.size() > 0 && clist.get(0) == r) { 899 // In case it didn't get removed above, do it now. 900 Slog.wtf(TAG, "Connection " + r + " not removed for binder " + binder); 901 clist.remove(0); 902 } 903 904 if (r.binding.service.app != null) { 905 // This could have made the service less important. 906 if ((r.flags&Context.BIND_TREAT_LIKE_ACTIVITY) != 0) { 907 r.binding.service.app.treatLikeActivity = true; 908 mAm.updateLruProcessLocked(r.binding.service.app, 909 r.binding.service.app.hasClientActivities 910 || r.binding.service.app.treatLikeActivity, null); 911 } 912 mAm.updateOomAdjLocked(r.binding.service.app); 913 } 914 } 915 } finally { 916 Binder.restoreCallingIdentity(origId); 917 } 918 919 return true; 920 } 921 922 void unbindFinishedLocked(ServiceRecord r, Intent intent, boolean doRebind) { 923 final long origId = Binder.clearCallingIdentity(); 924 try { 925 if (r != null) { 926 Intent.FilterComparison filter 927 = new Intent.FilterComparison(intent); 928 IntentBindRecord b = r.bindings.get(filter); 929 if (DEBUG_SERVICE) Slog.v(TAG, "unbindFinished in " + r 930 + " at " + b + ": apps=" 931 + (b != null ? b.apps.size() : 0)); 932 933 boolean inDestroying = mDestroyingServices.contains(r); 934 if (b != null) { 935 if (b.apps.size() > 0 && !inDestroying) { 936 // Applications have already bound since the last 937 // unbind, so just rebind right here. 938 boolean inFg = false; 939 for (int i=b.apps.size()-1; i>=0; i--) { 940 ProcessRecord client = b.apps.valueAt(i).client; 941 if (client != null && client.setSchedGroup 942 != Process.THREAD_GROUP_BG_NONINTERACTIVE) { 943 inFg = true; 944 break; 945 } 946 } 947 requestServiceBindingLocked(r, b, inFg, true); 948 } else { 949 // Note to tell the service the next time there is 950 // a new client. 951 b.doRebind = true; 952 } 953 } 954 955 serviceDoneExecutingLocked(r, inDestroying, false); 956 } 957 } finally { 958 Binder.restoreCallingIdentity(origId); 959 } 960 } 961 962 private final ServiceRecord findServiceLocked(ComponentName name, 963 IBinder token, int userId) { 964 ServiceRecord r = getServiceByName(name, userId); 965 return r == token ? r : null; 966 } 967 968 private final class ServiceLookupResult { 969 final ServiceRecord record; 970 final String permission; 971 972 ServiceLookupResult(ServiceRecord _record, String _permission) { 973 record = _record; 974 permission = _permission; 975 } 976 } 977 978 private class ServiceRestarter implements Runnable { 979 private ServiceRecord mService; 980 981 void setService(ServiceRecord service) { 982 mService = service; 983 } 984 985 public void run() { 986 synchronized(mAm) { 987 performServiceRestartLocked(mService); 988 } 989 } 990 } 991 992 private ServiceLookupResult retrieveServiceLocked(Intent service, 993 String resolvedType, int callingPid, int callingUid, int userId, 994 boolean createIfNeeded, boolean callingFromFg) { 995 ServiceRecord r = null; 996 if (DEBUG_SERVICE) Slog.v(TAG, "retrieveServiceLocked: " + service 997 + " type=" + resolvedType + " callingUid=" + callingUid); 998 999 userId = mAm.handleIncomingUser(callingPid, callingUid, userId, 1000 false, ActivityManagerService.ALLOW_NON_FULL_IN_PROFILE, "service", null); 1001 1002 ServiceMap smap = getServiceMap(userId); 1003 final ComponentName comp = service.getComponent(); 1004 if (comp != null) { 1005 r = smap.mServicesByName.get(comp); 1006 } 1007 if (r == null) { 1008 Intent.FilterComparison filter = new Intent.FilterComparison(service); 1009 r = smap.mServicesByIntent.get(filter); 1010 } 1011 if (r == null) { 1012 try { 1013 ResolveInfo rInfo = 1014 AppGlobals.getPackageManager().resolveService( 1015 service, resolvedType, 1016 ActivityManagerService.STOCK_PM_FLAGS, userId); 1017 ServiceInfo sInfo = 1018 rInfo != null ? rInfo.serviceInfo : null; 1019 if (sInfo == null) { 1020 Slog.w(TAG, "Unable to start service " + service + " U=" + userId + 1021 ": not found"); 1022 return null; 1023 } 1024 ComponentName name = new ComponentName( 1025 sInfo.applicationInfo.packageName, sInfo.name); 1026 if (userId > 0) { 1027 if (mAm.isSingleton(sInfo.processName, sInfo.applicationInfo, 1028 sInfo.name, sInfo.flags) 1029 && mAm.isValidSingletonCall(callingUid, sInfo.applicationInfo.uid)) { 1030 userId = 0; 1031 smap = getServiceMap(0); 1032 } 1033 sInfo = new ServiceInfo(sInfo); 1034 sInfo.applicationInfo = mAm.getAppInfoForUser(sInfo.applicationInfo, userId); 1035 } 1036 r = smap.mServicesByName.get(name); 1037 if (r == null && createIfNeeded) { 1038 Intent.FilterComparison filter 1039 = new Intent.FilterComparison(service.cloneFilter()); 1040 ServiceRestarter res = new ServiceRestarter(); 1041 BatteryStatsImpl.Uid.Pkg.Serv ss = null; 1042 BatteryStatsImpl stats = mAm.mBatteryStatsService.getActiveStatistics(); 1043 synchronized (stats) { 1044 ss = stats.getServiceStatsLocked( 1045 sInfo.applicationInfo.uid, sInfo.packageName, 1046 sInfo.name); 1047 } 1048 r = new ServiceRecord(mAm, ss, name, filter, sInfo, callingFromFg, res); 1049 res.setService(r); 1050 smap.mServicesByName.put(name, r); 1051 smap.mServicesByIntent.put(filter, r); 1052 1053 // Make sure this component isn't in the pending list. 1054 for (int i=mPendingServices.size()-1; i>=0; i--) { 1055 ServiceRecord pr = mPendingServices.get(i); 1056 if (pr.serviceInfo.applicationInfo.uid == sInfo.applicationInfo.uid 1057 && pr.name.equals(name)) { 1058 mPendingServices.remove(i); 1059 } 1060 } 1061 } 1062 } catch (RemoteException ex) { 1063 // pm is in same process, this will never happen. 1064 } 1065 } 1066 if (r != null) { 1067 if (mAm.checkComponentPermission(r.permission, 1068 callingPid, callingUid, r.appInfo.uid, r.exported) 1069 != PackageManager.PERMISSION_GRANTED) { 1070 if (!r.exported) { 1071 Slog.w(TAG, "Permission Denial: Accessing service " + r.name 1072 + " from pid=" + callingPid 1073 + ", uid=" + callingUid 1074 + " that is not exported from uid " + r.appInfo.uid); 1075 return new ServiceLookupResult(null, "not exported from uid " 1076 + r.appInfo.uid); 1077 } 1078 Slog.w(TAG, "Permission Denial: Accessing service " + r.name 1079 + " from pid=" + callingPid 1080 + ", uid=" + callingUid 1081 + " requires " + r.permission); 1082 return new ServiceLookupResult(null, r.permission); 1083 } 1084 if (!mAm.mIntentFirewall.checkService(r.name, service, callingUid, callingPid, 1085 resolvedType, r.appInfo)) { 1086 return null; 1087 } 1088 return new ServiceLookupResult(r, null); 1089 } 1090 return null; 1091 } 1092 1093 private final void bumpServiceExecutingLocked(ServiceRecord r, boolean fg, String why) { 1094 if (DEBUG_SERVICE) Slog.v(TAG, ">>> EXECUTING " 1095 + why + " of " + r + " in app " + r.app); 1096 else if (DEBUG_SERVICE_EXECUTING) Slog.v(TAG, ">>> EXECUTING " 1097 + why + " of " + r.shortName); 1098 long now = SystemClock.uptimeMillis(); 1099 if (r.executeNesting == 0) { 1100 r.executeFg = fg; 1101 ProcessStats.ServiceState stracker = r.getTracker(); 1102 if (stracker != null) { 1103 stracker.setExecuting(true, mAm.mProcessStats.getMemFactorLocked(), now); 1104 } 1105 if (r.app != null) { 1106 r.app.executingServices.add(r); 1107 r.app.execServicesFg |= fg; 1108 if (r.app.executingServices.size() == 1) { 1109 scheduleServiceTimeoutLocked(r.app); 1110 } 1111 } 1112 } else if (r.app != null && fg && !r.app.execServicesFg) { 1113 r.app.execServicesFg = true; 1114 scheduleServiceTimeoutLocked(r.app); 1115 } 1116 r.executeFg |= fg; 1117 r.executeNesting++; 1118 r.executingStart = now; 1119 } 1120 1121 private final boolean requestServiceBindingLocked(ServiceRecord r, 1122 IntentBindRecord i, boolean execInFg, boolean rebind) { 1123 if (r.app == null || r.app.thread == null) { 1124 // If service is not currently running, can't yet bind. 1125 return false; 1126 } 1127 if ((!i.requested || rebind) && i.apps.size() > 0) { 1128 try { 1129 bumpServiceExecutingLocked(r, execInFg, "bind"); 1130 r.app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_SERVICE); 1131 r.app.thread.scheduleBindService(r, i.intent.getIntent(), rebind, 1132 r.app.repProcState); 1133 if (!rebind) { 1134 i.requested = true; 1135 } 1136 i.hasBound = true; 1137 i.doRebind = false; 1138 } catch (RemoteException e) { 1139 if (DEBUG_SERVICE) Slog.v(TAG, "Crashed while binding " + r); 1140 return false; 1141 } 1142 } 1143 return true; 1144 } 1145 1146 private final boolean scheduleServiceRestartLocked(ServiceRecord r, 1147 boolean allowCancel) { 1148 boolean canceled = false; 1149 1150 ServiceMap smap = getServiceMap(r.userId); 1151 if (smap.mServicesByName.get(r.name) != r) { 1152 ServiceRecord cur = smap.mServicesByName.get(r.name); 1153 Slog.wtf(TAG, "Attempting to schedule restart of " + r 1154 + " when found in map: " + cur); 1155 return false; 1156 } 1157 1158 final long now = SystemClock.uptimeMillis(); 1159 1160 if ((r.serviceInfo.applicationInfo.flags 1161 &ApplicationInfo.FLAG_PERSISTENT) == 0) { 1162 long minDuration = SERVICE_RESTART_DURATION; 1163 long resetTime = SERVICE_RESET_RUN_DURATION; 1164 1165 // Any delivered but not yet finished starts should be put back 1166 // on the pending list. 1167 final int N = r.deliveredStarts.size(); 1168 if (N > 0) { 1169 for (int i=N-1; i>=0; i--) { 1170 ServiceRecord.StartItem si = r.deliveredStarts.get(i); 1171 si.removeUriPermissionsLocked(); 1172 if (si.intent == null) { 1173 // We'll generate this again if needed. 1174 } else if (!allowCancel || (si.deliveryCount < ServiceRecord.MAX_DELIVERY_COUNT 1175 && si.doneExecutingCount < ServiceRecord.MAX_DONE_EXECUTING_COUNT)) { 1176 r.pendingStarts.add(0, si); 1177 long dur = SystemClock.uptimeMillis() - si.deliveredTime; 1178 dur *= 2; 1179 if (minDuration < dur) minDuration = dur; 1180 if (resetTime < dur) resetTime = dur; 1181 } else { 1182 Slog.w(TAG, "Canceling start item " + si.intent + " in service " 1183 + r.name); 1184 canceled = true; 1185 } 1186 } 1187 r.deliveredStarts.clear(); 1188 } 1189 1190 r.totalRestartCount++; 1191 if (r.restartDelay == 0) { 1192 r.restartCount++; 1193 r.restartDelay = minDuration; 1194 } else { 1195 // If it has been a "reasonably long time" since the service 1196 // was started, then reset our restart duration back to 1197 // the beginning, so we don't infinitely increase the duration 1198 // on a service that just occasionally gets killed (which is 1199 // a normal case, due to process being killed to reclaim memory). 1200 if (now > (r.restartTime+resetTime)) { 1201 r.restartCount = 1; 1202 r.restartDelay = minDuration; 1203 } else { 1204 r.restartDelay *= SERVICE_RESTART_DURATION_FACTOR; 1205 if (r.restartDelay < minDuration) { 1206 r.restartDelay = minDuration; 1207 } 1208 } 1209 } 1210 1211 r.nextRestartTime = now + r.restartDelay; 1212 1213 // Make sure that we don't end up restarting a bunch of services 1214 // all at the same time. 1215 boolean repeat; 1216 do { 1217 repeat = false; 1218 for (int i=mRestartingServices.size()-1; i>=0; i--) { 1219 ServiceRecord r2 = mRestartingServices.get(i); 1220 if (r2 != r && r.nextRestartTime 1221 >= (r2.nextRestartTime-SERVICE_MIN_RESTART_TIME_BETWEEN) 1222 && r.nextRestartTime 1223 < (r2.nextRestartTime+SERVICE_MIN_RESTART_TIME_BETWEEN)) { 1224 r.nextRestartTime = r2.nextRestartTime + SERVICE_MIN_RESTART_TIME_BETWEEN; 1225 r.restartDelay = r.nextRestartTime - now; 1226 repeat = true; 1227 break; 1228 } 1229 } 1230 } while (repeat); 1231 1232 } else { 1233 // Persistent processes are immediately restarted, so there is no 1234 // reason to hold of on restarting their services. 1235 r.totalRestartCount++; 1236 r.restartCount = 0; 1237 r.restartDelay = 0; 1238 r.nextRestartTime = now; 1239 } 1240 1241 if (!mRestartingServices.contains(r)) { 1242 r.createdFromFg = false; 1243 mRestartingServices.add(r); 1244 r.makeRestarting(mAm.mProcessStats.getMemFactorLocked(), now); 1245 } 1246 1247 r.cancelNotification(); 1248 1249 mAm.mHandler.removeCallbacks(r.restarter); 1250 mAm.mHandler.postAtTime(r.restarter, r.nextRestartTime); 1251 r.nextRestartTime = SystemClock.uptimeMillis() + r.restartDelay; 1252 Slog.w(TAG, "Scheduling restart of crashed service " 1253 + r.shortName + " in " + r.restartDelay + "ms"); 1254 EventLog.writeEvent(EventLogTags.AM_SCHEDULE_SERVICE_RESTART, 1255 r.userId, r.shortName, r.restartDelay); 1256 1257 return canceled; 1258 } 1259 1260 final void performServiceRestartLocked(ServiceRecord r) { 1261 if (!mRestartingServices.contains(r)) { 1262 return; 1263 } 1264 bringUpServiceLocked(r, r.intent.getIntent().getFlags(), r.createdFromFg, true); 1265 } 1266 1267 private final boolean unscheduleServiceRestartLocked(ServiceRecord r, int callingUid, 1268 boolean force) { 1269 if (!force && r.restartDelay == 0) { 1270 return false; 1271 } 1272 // Remove from the restarting list; if the service is currently on the 1273 // restarting list, or the call is coming from another app, then this 1274 // service has become of much more interest so we reset the restart interval. 1275 boolean removed = mRestartingServices.remove(r); 1276 if (removed || callingUid != r.appInfo.uid) { 1277 r.resetRestartCounter(); 1278 } 1279 if (removed) { 1280 clearRestartingIfNeededLocked(r); 1281 } 1282 mAm.mHandler.removeCallbacks(r.restarter); 1283 return true; 1284 } 1285 1286 private void clearRestartingIfNeededLocked(ServiceRecord r) { 1287 if (r.restartTracker != null) { 1288 // If this is the last restarting record with this tracker, then clear 1289 // the tracker's restarting state. 1290 boolean stillTracking = false; 1291 for (int i=mRestartingServices.size()-1; i>=0; i--) { 1292 if (mRestartingServices.get(i).restartTracker == r.restartTracker) { 1293 stillTracking = true; 1294 break; 1295 } 1296 } 1297 if (!stillTracking) { 1298 r.restartTracker.setRestarting(false, mAm.mProcessStats.getMemFactorLocked(), 1299 SystemClock.uptimeMillis()); 1300 r.restartTracker = null; 1301 } 1302 } 1303 } 1304 1305 private final String bringUpServiceLocked(ServiceRecord r, 1306 int intentFlags, boolean execInFg, boolean whileRestarting) { 1307 //Slog.i(TAG, "Bring up service:"); 1308 //r.dump(" "); 1309 1310 if (r.app != null && r.app.thread != null) { 1311 sendServiceArgsLocked(r, execInFg, false); 1312 return null; 1313 } 1314 1315 if (!whileRestarting && r.restartDelay > 0) { 1316 // If waiting for a restart, then do nothing. 1317 return null; 1318 } 1319 1320 if (DEBUG_SERVICE) Slog.v(TAG, "Bringing up " + r + " " + r.intent); 1321 1322 // We are now bringing the service up, so no longer in the 1323 // restarting state. 1324 if (mRestartingServices.remove(r)) { 1325 clearRestartingIfNeededLocked(r); 1326 } 1327 1328 // Make sure this service is no longer considered delayed, we are starting it now. 1329 if (r.delayed) { 1330 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "REM FR DELAY LIST (bring up): " + r); 1331 getServiceMap(r.userId).mDelayedStartList.remove(r); 1332 r.delayed = false; 1333 } 1334 1335 // Make sure that the user who owns this service is started. If not, 1336 // we don't want to allow it to run. 1337 if (mAm.mStartedUsers.get(r.userId) == null) { 1338 String msg = "Unable to launch app " 1339 + r.appInfo.packageName + "/" 1340 + r.appInfo.uid + " for service " 1341 + r.intent.getIntent() + ": user " + r.userId + " is stopped"; 1342 Slog.w(TAG, msg); 1343 bringDownServiceLocked(r); 1344 return msg; 1345 } 1346 1347 // Service is now being launched, its package can't be stopped. 1348 try { 1349 AppGlobals.getPackageManager().setPackageStoppedState( 1350 r.packageName, false, r.userId); 1351 } catch (RemoteException e) { 1352 } catch (IllegalArgumentException e) { 1353 Slog.w(TAG, "Failed trying to unstop package " 1354 + r.packageName + ": " + e); 1355 } 1356 1357 final boolean isolated = (r.serviceInfo.flags&ServiceInfo.FLAG_ISOLATED_PROCESS) != 0; 1358 final String procName = r.processName; 1359 ProcessRecord app; 1360 1361 if (!isolated) { 1362 app = mAm.getProcessRecordLocked(procName, r.appInfo.uid, false); 1363 if (DEBUG_MU) Slog.v(TAG_MU, "bringUpServiceLocked: appInfo.uid=" + r.appInfo.uid 1364 + " app=" + app); 1365 if (app != null && app.thread != null) { 1366 try { 1367 app.addPackage(r.appInfo.packageName, r.appInfo.versionCode, mAm.mProcessStats); 1368 realStartServiceLocked(r, app, execInFg); 1369 return null; 1370 } catch (RemoteException e) { 1371 Slog.w(TAG, "Exception when starting service " + r.shortName, e); 1372 } 1373 1374 // If a dead object exception was thrown -- fall through to 1375 // restart the application. 1376 } 1377 } else { 1378 // If this service runs in an isolated process, then each time 1379 // we call startProcessLocked() we will get a new isolated 1380 // process, starting another process if we are currently waiting 1381 // for a previous process to come up. To deal with this, we store 1382 // in the service any current isolated process it is running in or 1383 // waiting to have come up. 1384 app = r.isolatedProc; 1385 } 1386 1387 // Not running -- get it started, and enqueue this service record 1388 // to be executed when the app comes up. 1389 if (app == null) { 1390 if ((app=mAm.startProcessLocked(procName, r.appInfo, true, intentFlags, 1391 "service", r.name, false, isolated, false)) == null) { 1392 String msg = "Unable to launch app " 1393 + r.appInfo.packageName + "/" 1394 + r.appInfo.uid + " for service " 1395 + r.intent.getIntent() + ": process is bad"; 1396 Slog.w(TAG, msg); 1397 bringDownServiceLocked(r); 1398 return msg; 1399 } 1400 if (isolated) { 1401 r.isolatedProc = app; 1402 } 1403 } 1404 1405 if (!mPendingServices.contains(r)) { 1406 mPendingServices.add(r); 1407 } 1408 1409 if (r.delayedStop) { 1410 // Oh and hey we've already been asked to stop! 1411 r.delayedStop = false; 1412 if (r.startRequested) { 1413 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Applying delayed stop (in bring up): " + r); 1414 stopServiceLocked(r); 1415 } 1416 } 1417 1418 return null; 1419 } 1420 1421 private final void requestServiceBindingsLocked(ServiceRecord r, boolean execInFg) { 1422 for (int i=r.bindings.size()-1; i>=0; i--) { 1423 IntentBindRecord ibr = r.bindings.valueAt(i); 1424 if (!requestServiceBindingLocked(r, ibr, execInFg, false)) { 1425 break; 1426 } 1427 } 1428 } 1429 1430 private final void realStartServiceLocked(ServiceRecord r, 1431 ProcessRecord app, boolean execInFg) throws RemoteException { 1432 if (app.thread == null) { 1433 throw new RemoteException(); 1434 } 1435 if (DEBUG_MU) 1436 Slog.v(TAG_MU, "realStartServiceLocked, ServiceRecord.uid = " + r.appInfo.uid 1437 + ", ProcessRecord.uid = " + app.uid); 1438 r.app = app; 1439 r.restartTime = r.lastActivity = SystemClock.uptimeMillis(); 1440 1441 app.services.add(r); 1442 bumpServiceExecutingLocked(r, execInFg, "create"); 1443 mAm.updateLruProcessLocked(app, false, null); 1444 mAm.updateOomAdjLocked(); 1445 1446 boolean created = false; 1447 try { 1448 String nameTerm; 1449 int lastPeriod = r.shortName.lastIndexOf('.'); 1450 nameTerm = lastPeriod >= 0 ? r.shortName.substring(lastPeriod) : r.shortName; 1451 EventLogTags.writeAmCreateService( 1452 r.userId, System.identityHashCode(r), nameTerm, r.app.uid, r.app.pid); 1453 synchronized (r.stats.getBatteryStats()) { 1454 r.stats.startLaunchedLocked(); 1455 } 1456 mAm.ensurePackageDexOpt(r.serviceInfo.packageName); 1457 app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_SERVICE); 1458 app.thread.scheduleCreateService(r, r.serviceInfo, 1459 mAm.compatibilityInfoForPackageLocked(r.serviceInfo.applicationInfo), 1460 app.repProcState); 1461 r.postNotification(); 1462 created = true; 1463 } catch (DeadObjectException e) { 1464 Slog.w(TAG, "Application dead when creating service " + r); 1465 mAm.appDiedLocked(app); 1466 } finally { 1467 if (!created) { 1468 app.services.remove(r); 1469 r.app = null; 1470 scheduleServiceRestartLocked(r, false); 1471 return; 1472 } 1473 } 1474 1475 requestServiceBindingsLocked(r, execInFg); 1476 1477 updateServiceClientActivitiesLocked(app, null, true); 1478 1479 // If the service is in the started state, and there are no 1480 // pending arguments, then fake up one so its onStartCommand() will 1481 // be called. 1482 if (r.startRequested && r.callStart && r.pendingStarts.size() == 0) { 1483 r.pendingStarts.add(new ServiceRecord.StartItem(r, false, r.makeNextStartId(), 1484 null, null)); 1485 } 1486 1487 sendServiceArgsLocked(r, execInFg, true); 1488 1489 if (r.delayed) { 1490 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "REM FR DELAY LIST (new proc): " + r); 1491 getServiceMap(r.userId).mDelayedStartList.remove(r); 1492 r.delayed = false; 1493 } 1494 1495 if (r.delayedStop) { 1496 // Oh and hey we've already been asked to stop! 1497 r.delayedStop = false; 1498 if (r.startRequested) { 1499 if (DEBUG_DELAYED_STARTS) Slog.v(TAG, "Applying delayed stop (from start): " + r); 1500 stopServiceLocked(r); 1501 } 1502 } 1503 } 1504 1505 private final void sendServiceArgsLocked(ServiceRecord r, boolean execInFg, 1506 boolean oomAdjusted) { 1507 final int N = r.pendingStarts.size(); 1508 if (N == 0) { 1509 return; 1510 } 1511 1512 while (r.pendingStarts.size() > 0) { 1513 try { 1514 ServiceRecord.StartItem si = r.pendingStarts.remove(0); 1515 if (DEBUG_SERVICE) Slog.v(TAG, "Sending arguments to: " 1516 + r + " " + r.intent + " args=" + si.intent); 1517 if (si.intent == null && N > 1) { 1518 // If somehow we got a dummy null intent in the middle, 1519 // then skip it. DO NOT skip a null intent when it is 1520 // the only one in the list -- this is to support the 1521 // onStartCommand(null) case. 1522 continue; 1523 } 1524 si.deliveredTime = SystemClock.uptimeMillis(); 1525 r.deliveredStarts.add(si); 1526 si.deliveryCount++; 1527 if (si.neededGrants != null) { 1528 mAm.grantUriPermissionUncheckedFromIntentLocked(si.neededGrants, 1529 si.getUriPermissionsLocked()); 1530 } 1531 bumpServiceExecutingLocked(r, execInFg, "start"); 1532 if (!oomAdjusted) { 1533 oomAdjusted = true; 1534 mAm.updateOomAdjLocked(r.app); 1535 } 1536 int flags = 0; 1537 if (si.deliveryCount > 1) { 1538 flags |= Service.START_FLAG_RETRY; 1539 } 1540 if (si.doneExecutingCount > 0) { 1541 flags |= Service.START_FLAG_REDELIVERY; 1542 } 1543 r.app.thread.scheduleServiceArgs(r, si.taskRemoved, si.id, flags, si.intent); 1544 } catch (RemoteException e) { 1545 // Remote process gone... we'll let the normal cleanup take 1546 // care of this. 1547 if (DEBUG_SERVICE) Slog.v(TAG, "Crashed while scheduling start: " + r); 1548 break; 1549 } catch (Exception e) { 1550 Slog.w(TAG, "Unexpected exception", e); 1551 break; 1552 } 1553 } 1554 } 1555 1556 private final boolean isServiceNeeded(ServiceRecord r, boolean knowConn, boolean hasConn) { 1557 // Are we still explicitly being asked to run? 1558 if (r.startRequested) { 1559 return true; 1560 } 1561 1562 // Is someone still bound to us keepign us running? 1563 if (!knowConn) { 1564 hasConn = r.hasAutoCreateConnections(); 1565 } 1566 if (hasConn) { 1567 return true; 1568 } 1569 1570 return false; 1571 } 1572 1573 private final void bringDownServiceIfNeededLocked(ServiceRecord r, boolean knowConn, 1574 boolean hasConn) { 1575 //Slog.i(TAG, "Bring down service:"); 1576 //r.dump(" "); 1577 1578 if (isServiceNeeded(r, knowConn, hasConn)) { 1579 return; 1580 } 1581 1582 // Are we in the process of launching? 1583 if (mPendingServices.contains(r)) { 1584 return; 1585 } 1586 1587 bringDownServiceLocked(r); 1588 } 1589 1590 private final void bringDownServiceLocked(ServiceRecord r) { 1591 //Slog.i(TAG, "Bring down service:"); 1592 //r.dump(" "); 1593 1594 // Report to all of the connections that the service is no longer 1595 // available. 1596 for (int conni=r.connections.size()-1; conni>=0; conni--) { 1597 ArrayList<ConnectionRecord> c = r.connections.valueAt(conni); 1598 for (int i=0; i<c.size(); i++) { 1599 ConnectionRecord cr = c.get(i); 1600 // There is still a connection to the service that is 1601 // being brought down. Mark it as dead. 1602 cr.serviceDead = true; 1603 try { 1604 cr.conn.connected(r.name, null); 1605 } catch (Exception e) { 1606 Slog.w(TAG, "Failure disconnecting service " + r.name + 1607 " to connection " + c.get(i).conn.asBinder() + 1608 " (in " + c.get(i).binding.client.processName + ")", e); 1609 } 1610 } 1611 } 1612 1613 // Tell the service that it has been unbound. 1614 if (r.app != null && r.app.thread != null) { 1615 for (int i=r.bindings.size()-1; i>=0; i--) { 1616 IntentBindRecord ibr = r.bindings.valueAt(i); 1617 if (DEBUG_SERVICE) Slog.v(TAG, "Bringing down binding " + ibr 1618 + ": hasBound=" + ibr.hasBound); 1619 if (ibr.hasBound) { 1620 try { 1621 bumpServiceExecutingLocked(r, false, "bring down unbind"); 1622 mAm.updateOomAdjLocked(r.app); 1623 ibr.hasBound = false; 1624 r.app.thread.scheduleUnbindService(r, 1625 ibr.intent.getIntent()); 1626 } catch (Exception e) { 1627 Slog.w(TAG, "Exception when unbinding service " 1628 + r.shortName, e); 1629 serviceProcessGoneLocked(r); 1630 } 1631 } 1632 } 1633 } 1634 1635 if (DEBUG_SERVICE) Slog.v(TAG, "Bringing down " + r + " " + r.intent); 1636 EventLogTags.writeAmDestroyService( 1637 r.userId, System.identityHashCode(r), (r.app != null) ? r.app.pid : -1); 1638 1639 final ServiceMap smap = getServiceMap(r.userId); 1640 smap.mServicesByName.remove(r.name); 1641 smap.mServicesByIntent.remove(r.intent); 1642 r.totalRestartCount = 0; 1643 unscheduleServiceRestartLocked(r, 0, true); 1644 1645 // Also make sure it is not on the pending list. 1646 for (int i=mPendingServices.size()-1; i>=0; i--) { 1647 if (mPendingServices.get(i) == r) { 1648 mPendingServices.remove(i); 1649 if (DEBUG_SERVICE) Slog.v(TAG, "Removed pending: " + r); 1650 } 1651 } 1652 1653 r.cancelNotification(); 1654 r.isForeground = false; 1655 r.foregroundId = 0; 1656 r.foregroundNoti = null; 1657 1658 // Clear start entries. 1659 r.clearDeliveredStartsLocked(); 1660 r.pendingStarts.clear(); 1661 1662 if (r.app != null) { 1663 synchronized (r.stats.getBatteryStats()) { 1664 r.stats.stopLaunchedLocked(); 1665 } 1666 r.app.services.remove(r); 1667 if (r.app.thread != null) { 1668 updateServiceForegroundLocked(r.app, false); 1669 try { 1670 bumpServiceExecutingLocked(r, false, "destroy"); 1671 mDestroyingServices.add(r); 1672 mAm.updateOomAdjLocked(r.app); 1673 r.app.thread.scheduleStopService(r); 1674 } catch (Exception e) { 1675 Slog.w(TAG, "Exception when destroying service " 1676 + r.shortName, e); 1677 serviceProcessGoneLocked(r); 1678 } 1679 } else { 1680 if (DEBUG_SERVICE) Slog.v( 1681 TAG, "Removed service that has no process: " + r); 1682 } 1683 } else { 1684 if (DEBUG_SERVICE) Slog.v( 1685 TAG, "Removed service that is not running: " + r); 1686 } 1687 1688 if (r.bindings.size() > 0) { 1689 r.bindings.clear(); 1690 } 1691 1692 if (r.restarter instanceof ServiceRestarter) { 1693 ((ServiceRestarter)r.restarter).setService(null); 1694 } 1695 1696 int memFactor = mAm.mProcessStats.getMemFactorLocked(); 1697 long now = SystemClock.uptimeMillis(); 1698 if (r.tracker != null) { 1699 r.tracker.setStarted(false, memFactor, now); 1700 r.tracker.setBound(false, memFactor, now); 1701 if (r.executeNesting == 0) { 1702 r.tracker.clearCurrentOwner(r, false); 1703 r.tracker = null; 1704 } 1705 } 1706 1707 smap.ensureNotStartingBackground(r); 1708 } 1709 1710 void removeConnectionLocked( 1711 ConnectionRecord c, ProcessRecord skipApp, ActivityRecord skipAct) { 1712 IBinder binder = c.conn.asBinder(); 1713 AppBindRecord b = c.binding; 1714 ServiceRecord s = b.service; 1715 ArrayList<ConnectionRecord> clist = s.connections.get(binder); 1716 if (clist != null) { 1717 clist.remove(c); 1718 if (clist.size() == 0) { 1719 s.connections.remove(binder); 1720 } 1721 } 1722 b.connections.remove(c); 1723 if (c.activity != null && c.activity != skipAct) { 1724 if (c.activity.connections != null) { 1725 c.activity.connections.remove(c); 1726 } 1727 } 1728 if (b.client != skipApp) { 1729 b.client.connections.remove(c); 1730 if ((c.flags&Context.BIND_ABOVE_CLIENT) != 0) { 1731 b.client.updateHasAboveClientLocked(); 1732 } 1733 if (s.app != null) { 1734 updateServiceClientActivitiesLocked(s.app, c, true); 1735 } 1736 } 1737 clist = mServiceConnections.get(binder); 1738 if (clist != null) { 1739 clist.remove(c); 1740 if (clist.size() == 0) { 1741 mServiceConnections.remove(binder); 1742 } 1743 } 1744 1745 if (b.connections.size() == 0) { 1746 b.intent.apps.remove(b.client); 1747 } 1748 1749 if (!c.serviceDead) { 1750 if (DEBUG_SERVICE) Slog.v(TAG, "Disconnecting binding " + b.intent 1751 + ": shouldUnbind=" + b.intent.hasBound); 1752 if (s.app != null && s.app.thread != null && b.intent.apps.size() == 0 1753 && b.intent.hasBound) { 1754 try { 1755 bumpServiceExecutingLocked(s, false, "unbind"); 1756 if (b.client != s.app && (c.flags&Context.BIND_WAIVE_PRIORITY) == 0 1757 && s.app.setProcState <= ActivityManager.PROCESS_STATE_RECEIVER) { 1758 // If this service's process is not already in the cached list, 1759 // then update it in the LRU list here because this may be causing 1760 // it to go down there and we want it to start out near the top. 1761 mAm.updateLruProcessLocked(s.app, false, null); 1762 } 1763 mAm.updateOomAdjLocked(s.app); 1764 b.intent.hasBound = false; 1765 // Assume the client doesn't want to know about a rebind; 1766 // we will deal with that later if it asks for one. 1767 b.intent.doRebind = false; 1768 s.app.thread.scheduleUnbindService(s, b.intent.intent.getIntent()); 1769 } catch (Exception e) { 1770 Slog.w(TAG, "Exception when unbinding service " + s.shortName, e); 1771 serviceProcessGoneLocked(s); 1772 } 1773 } 1774 1775 if ((c.flags&Context.BIND_AUTO_CREATE) != 0) { 1776 boolean hasAutoCreate = s.hasAutoCreateConnections(); 1777 if (!hasAutoCreate) { 1778 if (s.tracker != null) { 1779 s.tracker.setBound(false, mAm.mProcessStats.getMemFactorLocked(), 1780 SystemClock.uptimeMillis()); 1781 } 1782 } 1783 bringDownServiceIfNeededLocked(s, true, hasAutoCreate); 1784 } 1785 } 1786 } 1787 1788 void serviceDoneExecutingLocked(ServiceRecord r, int type, int startId, int res) { 1789 boolean inDestroying = mDestroyingServices.contains(r); 1790 if (r != null) { 1791 if (type == 1) { 1792 // This is a call from a service start... take care of 1793 // book-keeping. 1794 r.callStart = true; 1795 switch (res) { 1796 case Service.START_STICKY_COMPATIBILITY: 1797 case Service.START_STICKY: { 1798 // We are done with the associated start arguments. 1799 r.findDeliveredStart(startId, true); 1800 // Don't stop if killed. 1801 r.stopIfKilled = false; 1802 break; 1803 } 1804 case Service.START_NOT_STICKY: { 1805 // We are done with the associated start arguments. 1806 r.findDeliveredStart(startId, true); 1807 if (r.getLastStartId() == startId) { 1808 // There is no more work, and this service 1809 // doesn't want to hang around if killed. 1810 r.stopIfKilled = true; 1811 } 1812 break; 1813 } 1814 case Service.START_REDELIVER_INTENT: { 1815 // We'll keep this item until they explicitly 1816 // call stop for it, but keep track of the fact 1817 // that it was delivered. 1818 ServiceRecord.StartItem si = r.findDeliveredStart(startId, false); 1819 if (si != null) { 1820 si.deliveryCount = 0; 1821 si.doneExecutingCount++; 1822 // Don't stop if killed. 1823 r.stopIfKilled = true; 1824 } 1825 break; 1826 } 1827 case Service.START_TASK_REMOVED_COMPLETE: { 1828 // Special processing for onTaskRemoved(). Don't 1829 // impact normal onStartCommand() processing. 1830 r.findDeliveredStart(startId, true); 1831 break; 1832 } 1833 default: 1834 throw new IllegalArgumentException( 1835 "Unknown service start result: " + res); 1836 } 1837 if (res == Service.START_STICKY_COMPATIBILITY) { 1838 r.callStart = false; 1839 } 1840 } 1841 final long origId = Binder.clearCallingIdentity(); 1842 serviceDoneExecutingLocked(r, inDestroying, inDestroying); 1843 Binder.restoreCallingIdentity(origId); 1844 } else { 1845 Slog.w(TAG, "Done executing unknown service from pid " 1846 + Binder.getCallingPid()); 1847 } 1848 } 1849 1850 private void serviceProcessGoneLocked(ServiceRecord r) { 1851 if (r.tracker != null) { 1852 int memFactor = mAm.mProcessStats.getMemFactorLocked(); 1853 long now = SystemClock.uptimeMillis(); 1854 r.tracker.setExecuting(false, memFactor, now); 1855 r.tracker.setBound(false, memFactor, now); 1856 r.tracker.setStarted(false, memFactor, now); 1857 } 1858 serviceDoneExecutingLocked(r, true, true); 1859 } 1860 1861 private void serviceDoneExecutingLocked(ServiceRecord r, boolean inDestroying, 1862 boolean finishing) { 1863 if (DEBUG_SERVICE) Slog.v(TAG, "<<< DONE EXECUTING " + r 1864 + ": nesting=" + r.executeNesting 1865 + ", inDestroying=" + inDestroying + ", app=" + r.app); 1866 else if (DEBUG_SERVICE_EXECUTING) Slog.v(TAG, "<<< DONE EXECUTING " + r.shortName); 1867 r.executeNesting--; 1868 if (r.executeNesting <= 0) { 1869 if (r.app != null) { 1870 if (DEBUG_SERVICE) Slog.v(TAG, 1871 "Nesting at 0 of " + r.shortName); 1872 r.app.execServicesFg = false; 1873 r.app.executingServices.remove(r); 1874 if (r.app.executingServices.size() == 0) { 1875 if (DEBUG_SERVICE || DEBUG_SERVICE_EXECUTING) Slog.v(TAG, 1876 "No more executingServices of " + r.shortName); 1877 mAm.mHandler.removeMessages(ActivityManagerService.SERVICE_TIMEOUT_MSG, r.app); 1878 } else if (r.executeFg) { 1879 // Need to re-evaluate whether the app still needs to be in the foreground. 1880 for (int i=r.app.executingServices.size()-1; i>=0; i--) { 1881 if (r.app.executingServices.valueAt(i).executeFg) { 1882 r.app.execServicesFg = true; 1883 break; 1884 } 1885 } 1886 } 1887 if (inDestroying) { 1888 if (DEBUG_SERVICE) Slog.v(TAG, 1889 "doneExecuting remove destroying " + r); 1890 mDestroyingServices.remove(r); 1891 r.bindings.clear(); 1892 } 1893 mAm.updateOomAdjLocked(r.app); 1894 } 1895 r.executeFg = false; 1896 if (r.tracker != null) { 1897 r.tracker.setExecuting(false, mAm.mProcessStats.getMemFactorLocked(), 1898 SystemClock.uptimeMillis()); 1899 if (finishing) { 1900 r.tracker.clearCurrentOwner(r, false); 1901 r.tracker = null; 1902 } 1903 } 1904 if (finishing) { 1905 if (r.app != null && !r.app.persistent) { 1906 r.app.services.remove(r); 1907 } 1908 r.app = null; 1909 } 1910 } 1911 } 1912 1913 boolean attachApplicationLocked(ProcessRecord proc, String processName) 1914 throws RemoteException { 1915 boolean didSomething = false; 1916 // Collect any services that are waiting for this process to come up. 1917 if (mPendingServices.size() > 0) { 1918 ServiceRecord sr = null; 1919 try { 1920 for (int i=0; i<mPendingServices.size(); i++) { 1921 sr = mPendingServices.get(i); 1922 if (proc != sr.isolatedProc && (proc.uid != sr.appInfo.uid 1923 || !processName.equals(sr.processName))) { 1924 continue; 1925 } 1926 1927 mPendingServices.remove(i); 1928 i--; 1929 proc.addPackage(sr.appInfo.packageName, sr.appInfo.versionCode, 1930 mAm.mProcessStats); 1931 realStartServiceLocked(sr, proc, sr.createdFromFg); 1932 didSomething = true; 1933 } 1934 } catch (RemoteException e) { 1935 Slog.w(TAG, "Exception in new application when starting service " 1936 + sr.shortName, e); 1937 throw e; 1938 } 1939 } 1940 // Also, if there are any services that are waiting to restart and 1941 // would run in this process, now is a good time to start them. It would 1942 // be weird to bring up the process but arbitrarily not let the services 1943 // run at this point just because their restart time hasn't come up. 1944 if (mRestartingServices.size() > 0) { 1945 ServiceRecord sr = null; 1946 for (int i=0; i<mRestartingServices.size(); i++) { 1947 sr = mRestartingServices.get(i); 1948 if (proc != sr.isolatedProc && (proc.uid != sr.appInfo.uid 1949 || !processName.equals(sr.processName))) { 1950 continue; 1951 } 1952 mAm.mHandler.removeCallbacks(sr.restarter); 1953 mAm.mHandler.post(sr.restarter); 1954 } 1955 } 1956 return didSomething; 1957 } 1958 1959 void processStartTimedOutLocked(ProcessRecord proc) { 1960 for (int i=0; i<mPendingServices.size(); i++) { 1961 ServiceRecord sr = mPendingServices.get(i); 1962 if ((proc.uid == sr.appInfo.uid 1963 && proc.processName.equals(sr.processName)) 1964 || sr.isolatedProc == proc) { 1965 Slog.w(TAG, "Forcing bringing down service: " + sr); 1966 sr.isolatedProc = null; 1967 mPendingServices.remove(i); 1968 i--; 1969 bringDownServiceLocked(sr); 1970 } 1971 } 1972 } 1973 1974 private boolean collectForceStopServicesLocked(String name, int userId, 1975 boolean evenPersistent, boolean doit, 1976 ArrayMap<ComponentName, ServiceRecord> services, 1977 ArrayList<ServiceRecord> result) { 1978 boolean didSomething = false; 1979 for (int i=0; i<services.size(); i++) { 1980 ServiceRecord service = services.valueAt(i); 1981 if ((name == null || service.packageName.equals(name)) 1982 && (service.app == null || evenPersistent || !service.app.persistent)) { 1983 if (!doit) { 1984 return true; 1985 } 1986 didSomething = true; 1987 Slog.i(TAG, " Force stopping service " + service); 1988 if (service.app != null) { 1989 service.app.removed = true; 1990 if (!service.app.persistent) { 1991 service.app.services.remove(service); 1992 } 1993 } 1994 service.app = null; 1995 service.isolatedProc = null; 1996 result.add(service); 1997 } 1998 } 1999 return didSomething; 2000 } 2001 2002 boolean forceStopLocked(String name, int userId, boolean evenPersistent, boolean doit) { 2003 boolean didSomething = false; 2004 ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); 2005 if (userId == UserHandle.USER_ALL) { 2006 for (int i=0; i<mServiceMap.size(); i++) { 2007 didSomething |= collectForceStopServicesLocked(name, userId, evenPersistent, 2008 doit, mServiceMap.valueAt(i).mServicesByName, services); 2009 if (!doit && didSomething) { 2010 return true; 2011 } 2012 } 2013 } else { 2014 ServiceMap smap = mServiceMap.get(userId); 2015 if (smap != null) { 2016 ArrayMap<ComponentName, ServiceRecord> items = smap.mServicesByName; 2017 didSomething = collectForceStopServicesLocked(name, userId, evenPersistent, 2018 doit, items, services); 2019 } 2020 } 2021 2022 int N = services.size(); 2023 for (int i=0; i<N; i++) { 2024 bringDownServiceLocked(services.get(i)); 2025 } 2026 return didSomething; 2027 } 2028 2029 void cleanUpRemovedTaskLocked(TaskRecord tr, ComponentName component, Intent baseIntent) { 2030 ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); 2031 ArrayMap<ComponentName, ServiceRecord> alls = getServices(tr.userId); 2032 for (int i=0; i<alls.size(); i++) { 2033 ServiceRecord sr = alls.valueAt(i); 2034 if (sr.packageName.equals(component.getPackageName())) { 2035 services.add(sr); 2036 } 2037 } 2038 2039 // Take care of any running services associated with the app. 2040 for (int i=0; i<services.size(); i++) { 2041 ServiceRecord sr = services.get(i); 2042 if (sr.startRequested) { 2043 if ((sr.serviceInfo.flags&ServiceInfo.FLAG_STOP_WITH_TASK) != 0) { 2044 Slog.i(TAG, "Stopping service " + sr.shortName + ": remove task"); 2045 stopServiceLocked(sr); 2046 } else { 2047 sr.pendingStarts.add(new ServiceRecord.StartItem(sr, true, 2048 sr.makeNextStartId(), baseIntent, null)); 2049 if (sr.app != null && sr.app.thread != null) { 2050 // We always run in the foreground, since this is called as 2051 // part of the "remove task" UI operation. 2052 sendServiceArgsLocked(sr, true, false); 2053 } 2054 } 2055 } 2056 } 2057 } 2058 2059 final void killServicesLocked(ProcessRecord app, boolean allowRestart) { 2060 // Report disconnected services. 2061 if (false) { 2062 // XXX we are letting the client link to the service for 2063 // death notifications. 2064 if (app.services.size() > 0) { 2065 Iterator<ServiceRecord> it = app.services.iterator(); 2066 while (it.hasNext()) { 2067 ServiceRecord r = it.next(); 2068 for (int conni=r.connections.size()-1; conni>=0; conni--) { 2069 ArrayList<ConnectionRecord> cl = r.connections.valueAt(conni); 2070 for (int i=0; i<cl.size(); i++) { 2071 ConnectionRecord c = cl.get(i); 2072 if (c.binding.client != app) { 2073 try { 2074 //c.conn.connected(r.className, null); 2075 } catch (Exception e) { 2076 // todo: this should be asynchronous! 2077 Slog.w(TAG, "Exception thrown disconnected servce " 2078 + r.shortName 2079 + " from app " + app.processName, e); 2080 } 2081 } 2082 } 2083 } 2084 } 2085 } 2086 } 2087 2088 // First clear app state from services. 2089 for (int i=app.services.size()-1; i>=0; i--) { 2090 ServiceRecord sr = app.services.valueAt(i); 2091 synchronized (sr.stats.getBatteryStats()) { 2092 sr.stats.stopLaunchedLocked(); 2093 } 2094 if (sr.app != app && sr.app != null && !sr.app.persistent) { 2095 sr.app.services.remove(sr); 2096 } 2097 sr.app = null; 2098 sr.isolatedProc = null; 2099 sr.executeNesting = 0; 2100 sr.forceClearTracker(); 2101 if (mDestroyingServices.remove(sr)) { 2102 if (DEBUG_SERVICE) Slog.v(TAG, "killServices remove destroying " + sr); 2103 } 2104 2105 final int numClients = sr.bindings.size(); 2106 for (int bindingi=numClients-1; bindingi>=0; bindingi--) { 2107 IntentBindRecord b = sr.bindings.valueAt(bindingi); 2108 if (DEBUG_SERVICE) Slog.v(TAG, "Killing binding " + b 2109 + ": shouldUnbind=" + b.hasBound); 2110 b.binder = null; 2111 b.requested = b.received = b.hasBound = false; 2112 // If this binding is coming from a cached process and is asking to keep 2113 // the service created, then we'll kill the cached process as well -- we 2114 // don't want to be thrashing around restarting processes that are only 2115 // there to be cached. 2116 for (int appi=b.apps.size()-1; appi>=0; appi--) { 2117 final ProcessRecord proc = b.apps.keyAt(appi); 2118 // If the process is already gone, skip it. 2119 if (proc.killedByAm || proc.thread == null) { 2120 continue; 2121 } 2122 // Only do this for processes that have an auto-create binding; 2123 // otherwise the binding can be left, because it won't cause the 2124 // service to restart. 2125 final AppBindRecord abind = b.apps.valueAt(appi); 2126 boolean hasCreate = false; 2127 for (int conni=abind.connections.size()-1; conni>=0; conni--) { 2128 ConnectionRecord conn = abind.connections.valueAt(conni); 2129 if ((conn.flags&(Context.BIND_AUTO_CREATE|Context.BIND_ALLOW_OOM_MANAGEMENT 2130 |Context.BIND_WAIVE_PRIORITY)) == Context.BIND_AUTO_CREATE) { 2131 hasCreate = true; 2132 break; 2133 } 2134 } 2135 if (!hasCreate) { 2136 continue; 2137 } 2138 // XXX turned off for now until we have more time to get a better policy. 2139 if (false && proc != null && !proc.persistent && proc.thread != null 2140 && proc.pid != 0 && proc.pid != ActivityManagerService.MY_PID 2141 && proc.setProcState >= ActivityManager.PROCESS_STATE_LAST_ACTIVITY) { 2142 proc.kill("bound to service " + sr.name.flattenToShortString() 2143 + " in dying proc " + (app != null ? app.processName : "??"), true); 2144 } 2145 } 2146 } 2147 } 2148 2149 // Clean up any connections this application has to other services. 2150 for (int i=app.connections.size()-1; i>=0; i--) { 2151 ConnectionRecord r = app.connections.valueAt(i); 2152 removeConnectionLocked(r, app, null); 2153 } 2154 updateServiceConnectionActivitiesLocked(app); 2155 app.connections.clear(); 2156 2157 ServiceMap smap = getServiceMap(app.userId); 2158 2159 // Now do remaining service cleanup. 2160 for (int i=app.services.size()-1; i>=0; i--) { 2161 ServiceRecord sr = app.services.valueAt(i); 2162 2163 // Unless the process is persistent, this process record is going away, 2164 // so make sure the service is cleaned out of it. 2165 if (!app.persistent) { 2166 app.services.removeAt(i); 2167 } 2168 2169 // Sanity check: if the service listed for the app is not one 2170 // we actually are maintaining, just let it drop. 2171 final ServiceRecord curRec = smap.mServicesByName.get(sr.name); 2172 if (curRec != sr) { 2173 if (curRec != null) { 2174 Slog.wtf(TAG, "Service " + sr + " in process " + app 2175 + " not same as in map: " + curRec); 2176 } 2177 continue; 2178 } 2179 2180 // Any services running in the application may need to be placed 2181 // back in the pending list. 2182 if (allowRestart && sr.crashCount >= 2 && (sr.serviceInfo.applicationInfo.flags 2183 &ApplicationInfo.FLAG_PERSISTENT) == 0) { 2184 Slog.w(TAG, "Service crashed " + sr.crashCount 2185 + " times, stopping: " + sr); 2186 EventLog.writeEvent(EventLogTags.AM_SERVICE_CRASHED_TOO_MUCH, 2187 sr.userId, sr.crashCount, sr.shortName, app.pid); 2188 bringDownServiceLocked(sr); 2189 } else if (!allowRestart) { 2190 bringDownServiceLocked(sr); 2191 } else { 2192 boolean canceled = scheduleServiceRestartLocked(sr, true); 2193 2194 // Should the service remain running? Note that in the 2195 // extreme case of so many attempts to deliver a command 2196 // that it failed we also will stop it here. 2197 if (sr.startRequested && (sr.stopIfKilled || canceled)) { 2198 if (sr.pendingStarts.size() == 0) { 2199 sr.startRequested = false; 2200 if (sr.tracker != null) { 2201 sr.tracker.setStarted(false, mAm.mProcessStats.getMemFactorLocked(), 2202 SystemClock.uptimeMillis()); 2203 } 2204 if (!sr.hasAutoCreateConnections()) { 2205 // Whoops, no reason to restart! 2206 bringDownServiceLocked(sr); 2207 } 2208 } 2209 } 2210 } 2211 } 2212 2213 if (!allowRestart) { 2214 app.services.clear(); 2215 2216 // Make sure there are no more restarting services for this process. 2217 for (int i=mRestartingServices.size()-1; i>=0; i--) { 2218 ServiceRecord r = mRestartingServices.get(i); 2219 if (r.processName.equals(app.processName) && 2220 r.serviceInfo.applicationInfo.uid == app.info.uid) { 2221 mRestartingServices.remove(i); 2222 clearRestartingIfNeededLocked(r); 2223 } 2224 } 2225 for (int i=mPendingServices.size()-1; i>=0; i--) { 2226 ServiceRecord r = mPendingServices.get(i); 2227 if (r.processName.equals(app.processName) && 2228 r.serviceInfo.applicationInfo.uid == app.info.uid) { 2229 mPendingServices.remove(i); 2230 } 2231 } 2232 } 2233 2234 // Make sure we have no more records on the stopping list. 2235 int i = mDestroyingServices.size(); 2236 while (i > 0) { 2237 i--; 2238 ServiceRecord sr = mDestroyingServices.get(i); 2239 if (sr.app == app) { 2240 sr.forceClearTracker(); 2241 mDestroyingServices.remove(i); 2242 if (DEBUG_SERVICE) Slog.v(TAG, "killServices remove destroying " + sr); 2243 } 2244 } 2245 2246 app.executingServices.clear(); 2247 } 2248 2249 ActivityManager.RunningServiceInfo makeRunningServiceInfoLocked(ServiceRecord r) { 2250 ActivityManager.RunningServiceInfo info = 2251 new ActivityManager.RunningServiceInfo(); 2252 info.service = r.name; 2253 if (r.app != null) { 2254 info.pid = r.app.pid; 2255 } 2256 info.uid = r.appInfo.uid; 2257 info.process = r.processName; 2258 info.foreground = r.isForeground; 2259 info.activeSince = r.createTime; 2260 info.started = r.startRequested; 2261 info.clientCount = r.connections.size(); 2262 info.crashCount = r.crashCount; 2263 info.lastActivityTime = r.lastActivity; 2264 if (r.isForeground) { 2265 info.flags |= ActivityManager.RunningServiceInfo.FLAG_FOREGROUND; 2266 } 2267 if (r.startRequested) { 2268 info.flags |= ActivityManager.RunningServiceInfo.FLAG_STARTED; 2269 } 2270 if (r.app != null && r.app.pid == ActivityManagerService.MY_PID) { 2271 info.flags |= ActivityManager.RunningServiceInfo.FLAG_SYSTEM_PROCESS; 2272 } 2273 if (r.app != null && r.app.persistent) { 2274 info.flags |= ActivityManager.RunningServiceInfo.FLAG_PERSISTENT_PROCESS; 2275 } 2276 2277 for (int conni=r.connections.size()-1; conni>=0; conni--) { 2278 ArrayList<ConnectionRecord> connl = r.connections.valueAt(conni); 2279 for (int i=0; i<connl.size(); i++) { 2280 ConnectionRecord conn = connl.get(i); 2281 if (conn.clientLabel != 0) { 2282 info.clientPackage = conn.binding.client.info.packageName; 2283 info.clientLabel = conn.clientLabel; 2284 return info; 2285 } 2286 } 2287 } 2288 return info; 2289 } 2290 2291 List<ActivityManager.RunningServiceInfo> getRunningServiceInfoLocked(int maxNum, 2292 int flags) { 2293 ArrayList<ActivityManager.RunningServiceInfo> res 2294 = new ArrayList<ActivityManager.RunningServiceInfo>(); 2295 2296 final int uid = Binder.getCallingUid(); 2297 final long ident = Binder.clearCallingIdentity(); 2298 try { 2299 if (ActivityManager.checkUidPermission( 2300 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 2301 uid) == PackageManager.PERMISSION_GRANTED) { 2302 int[] users = mAm.getUsersLocked(); 2303 for (int ui=0; ui<users.length && res.size() < maxNum; ui++) { 2304 ArrayMap<ComponentName, ServiceRecord> alls = getServices(users[ui]); 2305 for (int i=0; i<alls.size() && res.size() < maxNum; i++) { 2306 ServiceRecord sr = alls.valueAt(i); 2307 res.add(makeRunningServiceInfoLocked(sr)); 2308 } 2309 } 2310 2311 for (int i=0; i<mRestartingServices.size() && res.size() < maxNum; i++) { 2312 ServiceRecord r = mRestartingServices.get(i); 2313 ActivityManager.RunningServiceInfo info = 2314 makeRunningServiceInfoLocked(r); 2315 info.restarting = r.nextRestartTime; 2316 res.add(info); 2317 } 2318 } else { 2319 int userId = UserHandle.getUserId(uid); 2320 ArrayMap<ComponentName, ServiceRecord> alls = getServices(userId); 2321 for (int i=0; i<alls.size() && res.size() < maxNum; i++) { 2322 ServiceRecord sr = alls.valueAt(i); 2323 res.add(makeRunningServiceInfoLocked(sr)); 2324 } 2325 2326 for (int i=0; i<mRestartingServices.size() && res.size() < maxNum; i++) { 2327 ServiceRecord r = mRestartingServices.get(i); 2328 if (r.userId == userId) { 2329 ActivityManager.RunningServiceInfo info = 2330 makeRunningServiceInfoLocked(r); 2331 info.restarting = r.nextRestartTime; 2332 res.add(info); 2333 } 2334 } 2335 } 2336 } finally { 2337 Binder.restoreCallingIdentity(ident); 2338 } 2339 2340 return res; 2341 } 2342 2343 public PendingIntent getRunningServiceControlPanelLocked(ComponentName name) { 2344 int userId = UserHandle.getUserId(Binder.getCallingUid()); 2345 ServiceRecord r = getServiceByName(name, userId); 2346 if (r != null) { 2347 for (int conni=r.connections.size()-1; conni>=0; conni--) { 2348 ArrayList<ConnectionRecord> conn = r.connections.valueAt(conni); 2349 for (int i=0; i<conn.size(); i++) { 2350 if (conn.get(i).clientIntent != null) { 2351 return conn.get(i).clientIntent; 2352 } 2353 } 2354 } 2355 } 2356 return null; 2357 } 2358 2359 void serviceTimeout(ProcessRecord proc) { 2360 String anrMessage = null; 2361 2362 synchronized(mAm) { 2363 if (proc.executingServices.size() == 0 || proc.thread == null) { 2364 return; 2365 } 2366 long maxTime = SystemClock.uptimeMillis() - 2367 (proc.execServicesFg ? SERVICE_TIMEOUT : SERVICE_BACKGROUND_TIMEOUT); 2368 ServiceRecord timeout = null; 2369 long nextTime = 0; 2370 for (int i=proc.executingServices.size()-1; i>=0; i--) { 2371 ServiceRecord sr = proc.executingServices.valueAt(i); 2372 if (sr.executingStart < maxTime) { 2373 timeout = sr; 2374 break; 2375 } 2376 if (sr.executingStart > nextTime) { 2377 nextTime = sr.executingStart; 2378 } 2379 } 2380 if (timeout != null && mAm.mLruProcesses.contains(proc)) { 2381 Slog.w(TAG, "Timeout executing service: " + timeout); 2382 anrMessage = "Executing service " + timeout.shortName; 2383 } else { 2384 Message msg = mAm.mHandler.obtainMessage( 2385 ActivityManagerService.SERVICE_TIMEOUT_MSG); 2386 msg.obj = proc; 2387 mAm.mHandler.sendMessageAtTime(msg, proc.execServicesFg 2388 ? (nextTime+SERVICE_TIMEOUT) : (nextTime + SERVICE_BACKGROUND_TIMEOUT)); 2389 } 2390 } 2391 2392 if (anrMessage != null) { 2393 mAm.appNotResponding(proc, null, null, false, anrMessage); 2394 } 2395 } 2396 2397 void scheduleServiceTimeoutLocked(ProcessRecord proc) { 2398 if (proc.executingServices.size() == 0 || proc.thread == null) { 2399 return; 2400 } 2401 long now = SystemClock.uptimeMillis(); 2402 Message msg = mAm.mHandler.obtainMessage( 2403 ActivityManagerService.SERVICE_TIMEOUT_MSG); 2404 msg.obj = proc; 2405 mAm.mHandler.sendMessageAtTime(msg, 2406 proc.execServicesFg ? (now+SERVICE_TIMEOUT) : (now+ SERVICE_BACKGROUND_TIMEOUT)); 2407 } 2408 2409 /** 2410 * Prints a list of ServiceRecords (dumpsys activity services) 2411 */ 2412 void dumpServicesLocked(FileDescriptor fd, PrintWriter pw, String[] args, 2413 int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) { 2414 boolean needSep = false; 2415 boolean printedAnything = false; 2416 2417 ItemMatcher matcher = new ItemMatcher(); 2418 matcher.build(args, opti); 2419 2420 pw.println("ACTIVITY MANAGER SERVICES (dumpsys activity services)"); 2421 try { 2422 int[] users = mAm.getUsersLocked(); 2423 for (int user : users) { 2424 ServiceMap smap = getServiceMap(user); 2425 boolean printed = false; 2426 if (smap.mServicesByName.size() > 0) { 2427 long nowReal = SystemClock.elapsedRealtime(); 2428 needSep = false; 2429 for (int si=0; si<smap.mServicesByName.size(); si++) { 2430 ServiceRecord r = smap.mServicesByName.valueAt(si); 2431 if (!matcher.match(r, r.name)) { 2432 continue; 2433 } 2434 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2435 continue; 2436 } 2437 if (!printed) { 2438 if (printedAnything) { 2439 pw.println(); 2440 } 2441 pw.println(" User " + user + " active services:"); 2442 printed = true; 2443 } 2444 printedAnything = true; 2445 if (needSep) { 2446 pw.println(); 2447 } 2448 pw.print(" * "); 2449 pw.println(r); 2450 if (dumpAll) { 2451 r.dump(pw, " "); 2452 needSep = true; 2453 } else { 2454 pw.print(" app="); 2455 pw.println(r.app); 2456 pw.print(" created="); 2457 TimeUtils.formatDuration(r.createTime, nowReal, pw); 2458 pw.print(" started="); 2459 pw.print(r.startRequested); 2460 pw.print(" connections="); 2461 pw.println(r.connections.size()); 2462 if (r.connections.size() > 0) { 2463 pw.println(" Connections:"); 2464 for (int conni=0; conni<r.connections.size(); conni++) { 2465 ArrayList<ConnectionRecord> clist = r.connections.valueAt(conni); 2466 for (int i = 0; i < clist.size(); i++) { 2467 ConnectionRecord conn = clist.get(i); 2468 pw.print(" "); 2469 pw.print(conn.binding.intent.intent.getIntent() 2470 .toShortString(false, false, false, false)); 2471 pw.print(" -> "); 2472 ProcessRecord proc = conn.binding.client; 2473 pw.println(proc != null ? proc.toShortString() : "null"); 2474 } 2475 } 2476 } 2477 } 2478 if (dumpClient && r.app != null && r.app.thread != null) { 2479 pw.println(" Client:"); 2480 pw.flush(); 2481 try { 2482 TransferPipe tp = new TransferPipe(); 2483 try { 2484 r.app.thread.dumpService(tp.getWriteFd().getFileDescriptor(), 2485 r, args); 2486 tp.setBufferPrefix(" "); 2487 // Short timeout, since blocking here can 2488 // deadlock with the application. 2489 tp.go(fd, 2000); 2490 } finally { 2491 tp.kill(); 2492 } 2493 } catch (IOException e) { 2494 pw.println(" Failure while dumping the service: " + e); 2495 } catch (RemoteException e) { 2496 pw.println(" Got a RemoteException while dumping the service"); 2497 } 2498 needSep = true; 2499 } 2500 } 2501 needSep |= printed; 2502 } 2503 printed = false; 2504 for (int si=0, SN=smap.mDelayedStartList.size(); si<SN; si++) { 2505 ServiceRecord r = smap.mDelayedStartList.get(si); 2506 if (!matcher.match(r, r.name)) { 2507 continue; 2508 } 2509 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2510 continue; 2511 } 2512 if (!printed) { 2513 if (printedAnything) { 2514 pw.println(); 2515 } 2516 pw.println(" User " + user + " delayed start services:"); 2517 printed = true; 2518 } 2519 printedAnything = true; 2520 pw.print(" * Delayed start "); pw.println(r); 2521 } 2522 printed = false; 2523 for (int si=0, SN=smap.mStartingBackground.size(); si<SN; si++) { 2524 ServiceRecord r = smap.mStartingBackground.get(si); 2525 if (!matcher.match(r, r.name)) { 2526 continue; 2527 } 2528 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2529 continue; 2530 } 2531 if (!printed) { 2532 if (printedAnything) { 2533 pw.println(); 2534 } 2535 pw.println(" User " + user + " starting in background:"); 2536 printed = true; 2537 } 2538 printedAnything = true; 2539 pw.print(" * Starting bg "); pw.println(r); 2540 } 2541 } 2542 } catch (Exception e) { 2543 Slog.w(TAG, "Exception in dumpServicesLocked", e); 2544 } 2545 2546 if (mPendingServices.size() > 0) { 2547 boolean printed = false; 2548 for (int i=0; i<mPendingServices.size(); i++) { 2549 ServiceRecord r = mPendingServices.get(i); 2550 if (!matcher.match(r, r.name)) { 2551 continue; 2552 } 2553 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2554 continue; 2555 } 2556 printedAnything = true; 2557 if (!printed) { 2558 if (needSep) pw.println(); 2559 needSep = true; 2560 pw.println(" Pending services:"); 2561 printed = true; 2562 } 2563 pw.print(" * Pending "); pw.println(r); 2564 r.dump(pw, " "); 2565 } 2566 needSep = true; 2567 } 2568 2569 if (mRestartingServices.size() > 0) { 2570 boolean printed = false; 2571 for (int i=0; i<mRestartingServices.size(); i++) { 2572 ServiceRecord r = mRestartingServices.get(i); 2573 if (!matcher.match(r, r.name)) { 2574 continue; 2575 } 2576 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2577 continue; 2578 } 2579 printedAnything = true; 2580 if (!printed) { 2581 if (needSep) pw.println(); 2582 needSep = true; 2583 pw.println(" Restarting services:"); 2584 printed = true; 2585 } 2586 pw.print(" * Restarting "); pw.println(r); 2587 r.dump(pw, " "); 2588 } 2589 needSep = true; 2590 } 2591 2592 if (mDestroyingServices.size() > 0) { 2593 boolean printed = false; 2594 for (int i=0; i< mDestroyingServices.size(); i++) { 2595 ServiceRecord r = mDestroyingServices.get(i); 2596 if (!matcher.match(r, r.name)) { 2597 continue; 2598 } 2599 if (dumpPackage != null && !dumpPackage.equals(r.appInfo.packageName)) { 2600 continue; 2601 } 2602 printedAnything = true; 2603 if (!printed) { 2604 if (needSep) pw.println(); 2605 needSep = true; 2606 pw.println(" Destroying services:"); 2607 printed = true; 2608 } 2609 pw.print(" * Destroy "); pw.println(r); 2610 r.dump(pw, " "); 2611 } 2612 needSep = true; 2613 } 2614 2615 if (dumpAll) { 2616 boolean printed = false; 2617 for (int ic=0; ic<mServiceConnections.size(); ic++) { 2618 ArrayList<ConnectionRecord> r = mServiceConnections.valueAt(ic); 2619 for (int i=0; i<r.size(); i++) { 2620 ConnectionRecord cr = r.get(i); 2621 if (!matcher.match(cr.binding.service, cr.binding.service.name)) { 2622 continue; 2623 } 2624 if (dumpPackage != null && (cr.binding.client == null 2625 || !dumpPackage.equals(cr.binding.client.info.packageName))) { 2626 continue; 2627 } 2628 printedAnything = true; 2629 if (!printed) { 2630 if (needSep) pw.println(); 2631 needSep = true; 2632 pw.println(" Connection bindings to services:"); 2633 printed = true; 2634 } 2635 pw.print(" * "); pw.println(cr); 2636 cr.dump(pw, " "); 2637 } 2638 } 2639 } 2640 2641 if (!printedAnything) { 2642 pw.println(" (nothing)"); 2643 } 2644 } 2645 2646 /** 2647 * There are three ways to call this: 2648 * - no service specified: dump all the services 2649 * - a flattened component name that matched an existing service was specified as the 2650 * first arg: dump that one service 2651 * - the first arg isn't the flattened component name of an existing service: 2652 * dump all services whose component contains the first arg as a substring 2653 */ 2654 protected boolean dumpService(FileDescriptor fd, PrintWriter pw, String name, String[] args, 2655 int opti, boolean dumpAll) { 2656 ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); 2657 2658 synchronized (mAm) { 2659 int[] users = mAm.getUsersLocked(); 2660 if ("all".equals(name)) { 2661 for (int user : users) { 2662 ServiceMap smap = mServiceMap.get(user); 2663 if (smap == null) { 2664 continue; 2665 } 2666 ArrayMap<ComponentName, ServiceRecord> alls = smap.mServicesByName; 2667 for (int i=0; i<alls.size(); i++) { 2668 ServiceRecord r1 = alls.valueAt(i); 2669 services.add(r1); 2670 } 2671 } 2672 } else { 2673 ComponentName componentName = name != null 2674 ? ComponentName.unflattenFromString(name) : null; 2675 int objectId = 0; 2676 if (componentName == null) { 2677 // Not a '/' separated full component name; maybe an object ID? 2678 try { 2679 objectId = Integer.parseInt(name, 16); 2680 name = null; 2681 componentName = null; 2682 } catch (RuntimeException e) { 2683 } 2684 } 2685 2686 for (int user : users) { 2687 ServiceMap smap = mServiceMap.get(user); 2688 if (smap == null) { 2689 continue; 2690 } 2691 ArrayMap<ComponentName, ServiceRecord> alls = smap.mServicesByName; 2692 for (int i=0; i<alls.size(); i++) { 2693 ServiceRecord r1 = alls.valueAt(i); 2694 if (componentName != null) { 2695 if (r1.name.equals(componentName)) { 2696 services.add(r1); 2697 } 2698 } else if (name != null) { 2699 if (r1.name.flattenToString().contains(name)) { 2700 services.add(r1); 2701 } 2702 } else if (System.identityHashCode(r1) == objectId) { 2703 services.add(r1); 2704 } 2705 } 2706 } 2707 } 2708 } 2709 2710 if (services.size() <= 0) { 2711 return false; 2712 } 2713 2714 boolean needSep = false; 2715 for (int i=0; i<services.size(); i++) { 2716 if (needSep) { 2717 pw.println(); 2718 } 2719 needSep = true; 2720 dumpService("", fd, pw, services.get(i), args, dumpAll); 2721 } 2722 return true; 2723 } 2724 2725 /** 2726 * Invokes IApplicationThread.dumpService() on the thread of the specified service if 2727 * there is a thread associated with the service. 2728 */ 2729 private void dumpService(String prefix, FileDescriptor fd, PrintWriter pw, 2730 final ServiceRecord r, String[] args, boolean dumpAll) { 2731 String innerPrefix = prefix + " "; 2732 synchronized (mAm) { 2733 pw.print(prefix); pw.print("SERVICE "); 2734 pw.print(r.shortName); pw.print(" "); 2735 pw.print(Integer.toHexString(System.identityHashCode(r))); 2736 pw.print(" pid="); 2737 if (r.app != null) pw.println(r.app.pid); 2738 else pw.println("(not running)"); 2739 if (dumpAll) { 2740 r.dump(pw, innerPrefix); 2741 } 2742 } 2743 if (r.app != null && r.app.thread != null) { 2744 pw.print(prefix); pw.println(" Client:"); 2745 pw.flush(); 2746 try { 2747 TransferPipe tp = new TransferPipe(); 2748 try { 2749 r.app.thread.dumpService(tp.getWriteFd().getFileDescriptor(), r, args); 2750 tp.setBufferPrefix(prefix + " "); 2751 tp.go(fd); 2752 } finally { 2753 tp.kill(); 2754 } 2755 } catch (IOException e) { 2756 pw.println(prefix + " Failure while dumping the service: " + e); 2757 } catch (RemoteException e) { 2758 pw.println(prefix + " Got a RemoteException while dumping the service"); 2759 } 2760 } 2761 } 2762 2763} 2764