SyncManager.java revision f7ae77cd67f1a3993b8e56c1af4720a7adf4e69d
1/* 2 * Copyright (C) 2008 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 android.content; 18 19import com.google.android.collect.Maps; 20 21import com.android.internal.R; 22import com.android.internal.util.ArrayUtils; 23 24import android.accounts.Account; 25import android.accounts.AccountManager; 26import android.accounts.OnAccountsUpdateListener; 27import android.app.AlarmManager; 28import android.app.Notification; 29import android.app.NotificationManager; 30import android.app.PendingIntent; 31import android.content.pm.ApplicationInfo; 32import android.content.pm.IPackageManager; 33import android.content.pm.PackageManager; 34import android.content.pm.ResolveInfo; 35import android.content.pm.RegisteredServicesCache; 36import android.content.pm.ProviderInfo; 37import android.net.ConnectivityManager; 38import android.net.NetworkInfo; 39import android.os.Bundle; 40import android.os.Handler; 41import android.os.HandlerThread; 42import android.os.IBinder; 43import android.os.Looper; 44import android.os.Message; 45import android.os.PowerManager; 46import android.os.Process; 47import android.os.RemoteException; 48import android.os.ServiceManager; 49import android.os.SystemClock; 50import android.os.SystemProperties; 51import android.provider.Settings; 52import android.text.format.DateUtils; 53import android.text.format.Time; 54import android.util.Config; 55import android.util.EventLog; 56import android.util.Log; 57 58import java.io.DataInputStream; 59import java.io.DataOutputStream; 60import java.io.File; 61import java.io.FileDescriptor; 62import java.io.FileInputStream; 63import java.io.FileNotFoundException; 64import java.io.FileOutputStream; 65import java.io.IOException; 66import java.io.PrintWriter; 67import java.util.ArrayList; 68import java.util.HashMap; 69import java.util.HashSet; 70import java.util.Iterator; 71import java.util.List; 72import java.util.Map; 73import java.util.PriorityQueue; 74import java.util.Random; 75import java.util.Collection; 76import java.util.concurrent.CountDownLatch; 77 78/** 79 * @hide 80 */ 81class SyncManager implements OnAccountsUpdateListener { 82 private static final String TAG = "SyncManager"; 83 84 // used during dumping of the Sync history 85 private static final long MILLIS_IN_HOUR = 1000 * 60 * 60; 86 private static final long MILLIS_IN_DAY = MILLIS_IN_HOUR * 24; 87 private static final long MILLIS_IN_WEEK = MILLIS_IN_DAY * 7; 88 private static final long MILLIS_IN_4WEEKS = MILLIS_IN_WEEK * 4; 89 90 /** Delay a sync due to local changes this long. In milliseconds */ 91 private static final long LOCAL_SYNC_DELAY; 92 93 /** 94 * If a sync takes longer than this and the sync queue is not empty then we will 95 * cancel it and add it back to the end of the sync queue. In milliseconds. 96 */ 97 private static final long MAX_TIME_PER_SYNC; 98 99 static { 100 String localSyncDelayString = SystemProperties.get("sync.local_sync_delay"); 101 long localSyncDelay = 30 * 1000; // 30 seconds 102 if (localSyncDelayString != null) { 103 try { 104 localSyncDelay = Long.parseLong(localSyncDelayString); 105 } catch (NumberFormatException nfe) { 106 // ignore, use default 107 } 108 } 109 LOCAL_SYNC_DELAY = localSyncDelay; 110 111 String maxTimePerSyncString = SystemProperties.get("sync.max_time_per_sync"); 112 long maxTimePerSync = 5 * 60 * 1000; // 5 minutes 113 if (maxTimePerSyncString != null) { 114 try { 115 maxTimePerSync = Long.parseLong(maxTimePerSyncString); 116 } catch (NumberFormatException nfe) { 117 // ignore, use default 118 } 119 } 120 MAX_TIME_PER_SYNC = maxTimePerSync; 121 } 122 123 private static final long SYNC_NOTIFICATION_DELAY = 30 * 1000; // 30 seconds 124 125 /** 126 * When retrying a sync for the first time use this delay. After that 127 * the retry time will double until it reached MAX_SYNC_RETRY_TIME. 128 * In milliseconds. 129 */ 130 private static final long INITIAL_SYNC_RETRY_TIME_IN_MS = 30 * 1000; // 30 seconds 131 132 /** 133 * Default the max sync retry time to this value. 134 */ 135 private static final long DEFAULT_MAX_SYNC_RETRY_TIME_IN_SECONDS = 60 * 60; // one hour 136 137 /** 138 * An error notification is sent if sync of any of the providers has been failing for this long. 139 */ 140 private static final long ERROR_NOTIFICATION_DELAY_MS = 1000 * 60 * 10; // 10 minutes 141 142 private static final String SYNC_WAKE_LOCK = "SyncManagerSyncWakeLock"; 143 private static final String HANDLE_SYNC_ALARM_WAKE_LOCK = "SyncManagerHandleSyncAlarmWakeLock"; 144 145 private Context mContext; 146 147 private String mStatusText = ""; 148 private long mHeartbeatTime = 0; 149 150 private volatile Account[] mAccounts = null; 151 152 volatile private PowerManager.WakeLock mSyncWakeLock; 153 volatile private PowerManager.WakeLock mHandleAlarmWakeLock; 154 volatile private boolean mDataConnectionIsConnected = false; 155 volatile private boolean mStorageIsLow = false; 156 157 private final NotificationManager mNotificationMgr; 158 private AlarmManager mAlarmService = null; 159 private HandlerThread mSyncThread; 160 161 private volatile IPackageManager mPackageManager; 162 163 private final SyncStorageEngine mSyncStorageEngine; 164 private final SyncQueue mSyncQueue; 165 166 private ActiveSyncContext mActiveSyncContext = null; 167 168 // set if the sync error indicator should be reported. 169 private boolean mNeedSyncErrorNotification = false; 170 // set if the sync active indicator should be reported 171 private boolean mNeedSyncActiveNotification = false; 172 173 private volatile boolean mSyncPollInitialized; 174 private final PendingIntent mSyncAlarmIntent; 175 private final PendingIntent mSyncPollAlarmIntent; 176 // Synchronized on "this". Instead of using this directly one should instead call 177 // its accessor, getConnManager(). 178 private ConnectivityManager mConnManagerDoNotUseDirectly; 179 180 private final SyncAdaptersCache mSyncAdapters; 181 182 private BroadcastReceiver mStorageIntentReceiver = 183 new BroadcastReceiver() { 184 public void onReceive(Context context, Intent intent) { 185 String action = intent.getAction(); 186 if (Intent.ACTION_DEVICE_STORAGE_LOW.equals(action)) { 187 if (Log.isLoggable(TAG, Log.VERBOSE)) { 188 Log.v(TAG, "Internal storage is low."); 189 } 190 mStorageIsLow = true; 191 cancelActiveSync(null /* any account */, null /* any authority */); 192 } else if (Intent.ACTION_DEVICE_STORAGE_OK.equals(action)) { 193 if (Log.isLoggable(TAG, Log.VERBOSE)) { 194 Log.v(TAG, "Internal storage is ok."); 195 } 196 mStorageIsLow = false; 197 sendCheckAlarmsMessage(); 198 } 199 } 200 }; 201 202 private BroadcastReceiver mBootCompletedReceiver = new BroadcastReceiver() { 203 public void onReceive(Context context, Intent intent) { 204 mSyncHandler.onBootCompleted(); 205 } 206 }; 207 208 private BroadcastReceiver mBackgroundDataSettingChanged = new BroadcastReceiver() { 209 public void onReceive(Context context, Intent intent) { 210 if (getConnectivityManager().getBackgroundDataSetting()) { 211 scheduleSync(null /* account */, null /* authority */, new Bundle(), 0 /* delay */, 212 false /* onlyThoseWithUnknownSyncableState */); 213 } 214 } 215 }; 216 217 public void onAccountsUpdated(Account[] accounts) { 218 // remember if this was the first time this was called after an update 219 final boolean justBootedUp = mAccounts == null; 220 mAccounts = accounts; 221 222 // if a sync is in progress yet it is no longer in the accounts list, 223 // cancel it 224 ActiveSyncContext activeSyncContext = mActiveSyncContext; 225 if (activeSyncContext != null) { 226 if (!ArrayUtils.contains(accounts, activeSyncContext.mSyncOperation.account)) { 227 Log.d(TAG, "canceling sync since the account has been removed"); 228 sendSyncFinishedOrCanceledMessage(activeSyncContext, 229 null /* no result since this is a cancel */); 230 } 231 } 232 233 // we must do this since we don't bother scheduling alarms when 234 // the accounts are not set yet 235 sendCheckAlarmsMessage(); 236 237 mSyncStorageEngine.doDatabaseCleanup(accounts); 238 239 if (accounts.length > 0) { 240 // If this is the first time this was called after a bootup then 241 // the accounts haven't really changed, instead they were just loaded 242 // from the AccountManager. Otherwise at least one of the accounts 243 // has a change. 244 // 245 // If there was a real account change then force a sync of all accounts. 246 // This is a bit of overkill, but at least it will end up retrying syncs 247 // that failed due to an authentication failure and thus will recover if the 248 // account change was a password update. 249 // 250 // If this was the bootup case then don't sync everything, instead only 251 // sync those that have an unknown syncable state, which will give them 252 // a chance to set their syncable state. 253 boolean onlyThoseWithUnkownSyncableState = justBootedUp; 254 scheduleSync(null, null, null, 0 /* no delay */, onlyThoseWithUnkownSyncableState); 255 } 256 } 257 258 private BroadcastReceiver mConnectivityIntentReceiver = 259 new BroadcastReceiver() { 260 public void onReceive(Context context, Intent intent) { 261 NetworkInfo networkInfo = 262 intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO); 263 NetworkInfo.State state = (networkInfo == null ? NetworkInfo.State.UNKNOWN : 264 networkInfo.getState()); 265 if (Log.isLoggable(TAG, Log.VERBOSE)) { 266 Log.v(TAG, "received connectivity action. network info: " + networkInfo); 267 } 268 269 // only pay attention to the CONNECTED and DISCONNECTED states. 270 // if connected, we are connected. 271 // if disconnected, we may not be connected. in some cases, we may be connected on 272 // a different network. 273 // e.g., if switching from GPRS to WiFi, we may receive the CONNECTED to WiFi and 274 // DISCONNECTED for GPRS in any order. if we receive the CONNECTED first, and then 275 // a DISCONNECTED, we want to make sure we set mDataConnectionIsConnected to true 276 // since we still have a WiFi connection. 277 switch (state) { 278 case CONNECTED: 279 mDataConnectionIsConnected = true; 280 break; 281 case DISCONNECTED: 282 if (intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false)) { 283 mDataConnectionIsConnected = false; 284 } else { 285 mDataConnectionIsConnected = true; 286 } 287 break; 288 default: 289 // ignore the rest of the states -- leave our boolean alone. 290 } 291 if (mDataConnectionIsConnected) { 292 initializeSyncPoll(); 293 sendCheckAlarmsMessage(); 294 } 295 } 296 }; 297 298 private BroadcastReceiver mShutdownIntentReceiver = 299 new BroadcastReceiver() { 300 public void onReceive(Context context, Intent intent) { 301 Log.w(TAG, "Writing sync state before shutdown..."); 302 getSyncStorageEngine().writeAllState(); 303 } 304 }; 305 306 private static final String ACTION_SYNC_ALARM = "android.content.syncmanager.SYNC_ALARM"; 307 private static final String SYNC_POLL_ALARM = "android.content.syncmanager.SYNC_POLL_ALARM"; 308 private final SyncHandler mSyncHandler; 309 310 private static final int MAX_SYNC_POLL_DELAY_SECONDS = 36 * 60 * 60; // 36 hours 311 private static final int MIN_SYNC_POLL_DELAY_SECONDS = 24 * 60 * 60; // 24 hours 312 313 private static final String SYNCMANAGER_PREFS_FILENAME = "/data/system/syncmanager.prefs"; 314 315 private final boolean mFactoryTest; 316 317 private volatile boolean mBootCompleted = false; 318 319 private ConnectivityManager getConnectivityManager() { 320 synchronized (this) { 321 if (mConnManagerDoNotUseDirectly == null) { 322 mConnManagerDoNotUseDirectly = (ConnectivityManager)mContext.getSystemService( 323 Context.CONNECTIVITY_SERVICE); 324 } 325 return mConnManagerDoNotUseDirectly; 326 } 327 } 328 329 public SyncManager(Context context, boolean factoryTest) { 330 mFactoryTest = factoryTest; 331 332 // Initialize the SyncStorageEngine first, before registering observers 333 // and creating threads and so on; it may fail if the disk is full. 334 SyncStorageEngine.init(context); 335 mSyncStorageEngine = SyncStorageEngine.getSingleton(); 336 mSyncQueue = new SyncQueue(mSyncStorageEngine); 337 338 mContext = context; 339 340 mSyncThread = new HandlerThread("SyncHandlerThread", Process.THREAD_PRIORITY_BACKGROUND); 341 mSyncThread.start(); 342 mSyncHandler = new SyncHandler(mSyncThread.getLooper()); 343 344 mPackageManager = null; 345 346 mSyncAdapters = new SyncAdaptersCache(mContext); 347 348 mSyncAlarmIntent = PendingIntent.getBroadcast( 349 mContext, 0 /* ignored */, new Intent(ACTION_SYNC_ALARM), 0); 350 351 mSyncPollAlarmIntent = PendingIntent.getBroadcast( 352 mContext, 0 /* ignored */, new Intent(SYNC_POLL_ALARM), 0); 353 354 IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION); 355 context.registerReceiver(mConnectivityIntentReceiver, intentFilter); 356 357 if (!factoryTest) { 358 intentFilter = new IntentFilter(Intent.ACTION_BOOT_COMPLETED); 359 context.registerReceiver(mBootCompletedReceiver, intentFilter); 360 } 361 362 intentFilter = new IntentFilter(ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); 363 context.registerReceiver(mBackgroundDataSettingChanged, intentFilter); 364 365 intentFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW); 366 intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK); 367 context.registerReceiver(mStorageIntentReceiver, intentFilter); 368 369 intentFilter = new IntentFilter(Intent.ACTION_SHUTDOWN); 370 intentFilter.setPriority(100); 371 context.registerReceiver(mShutdownIntentReceiver, intentFilter); 372 373 if (!factoryTest) { 374 mNotificationMgr = (NotificationManager) 375 context.getSystemService(Context.NOTIFICATION_SERVICE); 376 context.registerReceiver(new SyncAlarmIntentReceiver(), 377 new IntentFilter(ACTION_SYNC_ALARM)); 378 } else { 379 mNotificationMgr = null; 380 } 381 PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 382 mSyncWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, SYNC_WAKE_LOCK); 383 mSyncWakeLock.setReferenceCounted(false); 384 385 // This WakeLock is used to ensure that we stay awake between the time that we receive 386 // a sync alarm notification and when we finish processing it. We need to do this 387 // because we don't do the work in the alarm handler, rather we do it in a message 388 // handler. 389 mHandleAlarmWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, 390 HANDLE_SYNC_ALARM_WAKE_LOCK); 391 mHandleAlarmWakeLock.setReferenceCounted(false); 392 393 mSyncStorageEngine.addStatusChangeListener( 394 ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS, new ISyncStatusObserver.Stub() { 395 public void onStatusChanged(int which) { 396 // force the sync loop to run if the settings change 397 sendCheckAlarmsMessage(); 398 } 399 }); 400 401 if (!factoryTest) { 402 AccountManager.get(mContext).addOnAccountsUpdatedListener(SyncManager.this, 403 mSyncHandler, false /* updateImmediately */); 404 // do this synchronously to ensure we have the accounts before this call returns 405 onAccountsUpdated(AccountManager.get(mContext).getAccounts()); 406 } 407 } 408 409 private synchronized void initializeSyncPoll() { 410 if (mSyncPollInitialized) return; 411 mSyncPollInitialized = true; 412 413 mContext.registerReceiver(new SyncPollAlarmReceiver(), new IntentFilter(SYNC_POLL_ALARM)); 414 415 // load the next poll time from shared preferences 416 long absoluteAlarmTime = readSyncPollTime(); 417 418 if (Log.isLoggable(TAG, Log.VERBOSE)) { 419 Log.v(TAG, "initializeSyncPoll: absoluteAlarmTime is " + absoluteAlarmTime); 420 } 421 422 // Convert absoluteAlarmTime to elapsed realtime. If this time was in the past then 423 // schedule the poll immediately, if it is too far in the future then cap it at 424 // MAX_SYNC_POLL_DELAY_SECONDS. 425 long absoluteNow = System.currentTimeMillis(); 426 long relativeNow = SystemClock.elapsedRealtime(); 427 long relativeAlarmTime = relativeNow; 428 if (absoluteAlarmTime > absoluteNow) { 429 long delayInMs = absoluteAlarmTime - absoluteNow; 430 final int maxDelayInMs = MAX_SYNC_POLL_DELAY_SECONDS * 1000; 431 if (delayInMs > maxDelayInMs) { 432 delayInMs = MAX_SYNC_POLL_DELAY_SECONDS * 1000; 433 } 434 relativeAlarmTime += delayInMs; 435 } 436 437 // schedule an alarm for the next poll time 438 scheduleSyncPollAlarm(relativeAlarmTime); 439 } 440 441 private void scheduleSyncPollAlarm(long relativeAlarmTime) { 442 if (Log.isLoggable(TAG, Log.VERBOSE)) { 443 Log.v(TAG, "scheduleSyncPollAlarm: relativeAlarmTime is " + relativeAlarmTime 444 + ", now is " + SystemClock.elapsedRealtime() 445 + ", delay is " + (relativeAlarmTime - SystemClock.elapsedRealtime())); 446 } 447 ensureAlarmService(); 448 mAlarmService.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, relativeAlarmTime, 449 mSyncPollAlarmIntent); 450 } 451 452 /** 453 * Return a random value v that satisfies minValue <= v < maxValue. The difference between 454 * maxValue and minValue must be less than Integer.MAX_VALUE. 455 */ 456 private long jitterize(long minValue, long maxValue) { 457 Random random = new Random(SystemClock.elapsedRealtime()); 458 long spread = maxValue - minValue; 459 if (spread > Integer.MAX_VALUE) { 460 throw new IllegalArgumentException("the difference between the maxValue and the " 461 + "minValue must be less than " + Integer.MAX_VALUE); 462 } 463 return minValue + random.nextInt((int)spread); 464 } 465 466 private void handleSyncPollAlarm() { 467 // determine the next poll time 468 long delayMs = jitterize(MIN_SYNC_POLL_DELAY_SECONDS, MAX_SYNC_POLL_DELAY_SECONDS) * 1000; 469 long nextRelativePollTimeMs = SystemClock.elapsedRealtime() + delayMs; 470 471 if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "handleSyncPollAlarm: delay " + delayMs); 472 473 // write the absolute time to shared preferences 474 writeSyncPollTime(System.currentTimeMillis() + delayMs); 475 476 // schedule an alarm for the next poll time 477 scheduleSyncPollAlarm(nextRelativePollTimeMs); 478 479 // perform a poll 480 scheduleSync(null /* sync all syncable accounts */, null /* sync all syncable providers */, 481 new Bundle(), 0 /* no delay */, false /* onlyThoseWithUnkownSyncableState */); 482 } 483 484 private void writeSyncPollTime(long when) { 485 File f = new File(SYNCMANAGER_PREFS_FILENAME); 486 DataOutputStream str = null; 487 try { 488 str = new DataOutputStream(new FileOutputStream(f)); 489 str.writeLong(when); 490 } catch (FileNotFoundException e) { 491 Log.w(TAG, "error writing to file " + f, e); 492 } catch (IOException e) { 493 Log.w(TAG, "error writing to file " + f, e); 494 } finally { 495 if (str != null) { 496 try { 497 str.close(); 498 } catch (IOException e) { 499 Log.w(TAG, "error closing file " + f, e); 500 } 501 } 502 } 503 } 504 505 private long readSyncPollTime() { 506 File f = new File(SYNCMANAGER_PREFS_FILENAME); 507 508 DataInputStream str = null; 509 try { 510 str = new DataInputStream(new FileInputStream(f)); 511 return str.readLong(); 512 } catch (FileNotFoundException e) { 513 writeSyncPollTime(0); 514 } catch (IOException e) { 515 Log.w(TAG, "error reading file " + f, e); 516 } finally { 517 if (str != null) { 518 try { 519 str.close(); 520 } catch (IOException e) { 521 Log.w(TAG, "error closing file " + f, e); 522 } 523 } 524 } 525 return 0; 526 } 527 528 public ActiveSyncContext getActiveSyncContext() { 529 return mActiveSyncContext; 530 } 531 532 public SyncStorageEngine getSyncStorageEngine() { 533 return mSyncStorageEngine; 534 } 535 536 private void ensureAlarmService() { 537 if (mAlarmService == null) { 538 mAlarmService = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE); 539 } 540 } 541 542 public Account getSyncingAccount() { 543 ActiveSyncContext activeSyncContext = mActiveSyncContext; 544 return (activeSyncContext != null) ? activeSyncContext.mSyncOperation.account : null; 545 } 546 547 /** 548 * Returns whether or not sync is enabled. Sync can be enabled by 549 * setting the system property "ro.config.sync" to the value "yes". 550 * This is normally done at boot time on builds that support sync. 551 * @return true if sync is enabled 552 */ 553 private boolean isSyncEnabled() { 554 // Require the precise value "yes" to discourage accidental activation. 555 return "yes".equals(SystemProperties.get("ro.config.sync")); 556 } 557 558 /** 559 * Initiate a sync. This can start a sync for all providers 560 * (pass null to url, set onlyTicklable to false), only those 561 * providers that are marked as ticklable (pass null to url, 562 * set onlyTicklable to true), or a specific provider (set url 563 * to the content url of the provider). 564 * 565 * <p>If the ContentResolver.SYNC_EXTRAS_UPLOAD boolean in extras is 566 * true then initiate a sync that just checks for local changes to send 567 * to the server, otherwise initiate a sync that first gets any 568 * changes from the server before sending local changes back to 569 * the server. 570 * 571 * <p>If a specific provider is being synced (the url is non-null) 572 * then the extras can contain SyncAdapter-specific information 573 * to control what gets synced (e.g. which specific feed to sync). 574 * 575 * <p>You'll start getting callbacks after this. 576 * 577 * @param requestedAccount the account to sync, may be null to signify all accounts 578 * @param requestedAuthority the authority to sync, may be null to indicate all authorities 579 * @param extras a Map of SyncAdapter-specific information to control 580* syncs of a specific provider. Can be null. Is ignored 581* if the url is null. 582 * @param delay how many milliseconds in the future to wait before performing this 583 * @param onlyThoseWithUnkownSyncableState 584 */ 585 public void scheduleSync(Account requestedAccount, String requestedAuthority, 586 Bundle extras, long delay, boolean onlyThoseWithUnkownSyncableState) { 587 boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); 588 589 if (mAccounts == null) { 590 Log.e(TAG, "scheduleSync: the accounts aren't known yet, this should never happen"); 591 return; 592 } 593 594 if (!isSyncEnabled()) { 595 if (isLoggable) { 596 Log.v(TAG, "not syncing because sync is disabled"); 597 } 598 setStatusText("Sync is disabled."); 599 return; 600 } 601 602 final boolean backgroundDataUsageAllowed = !mBootCompleted || 603 getConnectivityManager().getBackgroundDataSetting(); 604 605 if (!mDataConnectionIsConnected) setStatusText("No data connection"); 606 if (mStorageIsLow) setStatusText("Memory low"); 607 608 if (extras == null) extras = new Bundle(); 609 610 Boolean expedited = extras.getBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, false); 611 if (expedited) { 612 delay = -1; // this means schedule at the front of the queue 613 } 614 615 Account[] accounts; 616 if (requestedAccount != null) { 617 accounts = new Account[]{requestedAccount}; 618 } else { 619 // if the accounts aren't configured yet then we can't support an account-less 620 // sync request 621 accounts = mAccounts; 622 if (accounts == null) { 623 // not ready yet 624 if (isLoggable) { 625 Log.v(TAG, "scheduleSync: no accounts yet, dropping"); 626 } 627 return; 628 } 629 if (accounts.length == 0) { 630 if (isLoggable) { 631 Log.v(TAG, "scheduleSync: no accounts configured, dropping"); 632 } 633 setStatusText("No accounts are configured."); 634 return; 635 } 636 } 637 638 final boolean uploadOnly = extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, false); 639 final boolean manualSync = extras.getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false); 640 641 int source; 642 if (uploadOnly) { 643 source = SyncStorageEngine.SOURCE_LOCAL; 644 } else if (manualSync) { 645 source = SyncStorageEngine.SOURCE_USER; 646 } else if (requestedAuthority == null) { 647 source = SyncStorageEngine.SOURCE_POLL; 648 } else { 649 // this isn't strictly server, since arbitrary callers can (and do) request 650 // a non-forced two-way sync on a specific url 651 source = SyncStorageEngine.SOURCE_SERVER; 652 } 653 654 // Compile a list of authorities that have sync adapters. 655 // For each authority sync each account that matches a sync adapter. 656 final HashSet<String> syncableAuthorities = new HashSet<String>(); 657 for (RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapter : 658 mSyncAdapters.getAllServices()) { 659 syncableAuthorities.add(syncAdapter.type.authority); 660 } 661 662 // if the url was specified then replace the list of authorities with just this authority 663 // or clear it if this authority isn't syncable 664 if (requestedAuthority != null) { 665 final boolean hasSyncAdapter = syncableAuthorities.contains(requestedAuthority); 666 syncableAuthorities.clear(); 667 if (hasSyncAdapter) syncableAuthorities.add(requestedAuthority); 668 } 669 670 final boolean masterSyncAutomatically = mSyncStorageEngine.getMasterSyncAutomatically(); 671 672 for (String authority : syncableAuthorities) { 673 for (Account account : accounts) { 674 int isSyncable = mSyncStorageEngine.getIsSyncable(account, authority); 675 if (isSyncable == 0) { 676 continue; 677 } 678 if (onlyThoseWithUnkownSyncableState && isSyncable >= 0) { 679 continue; 680 } 681 final RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo = 682 mSyncAdapters.getServiceInfo( 683 SyncAdapterType.newKey(authority, account.type)); 684 if (syncAdapterInfo != null) { 685 if (!syncAdapterInfo.type.supportsUploading() && uploadOnly) { 686 continue; 687 } 688 689 // make this an initialization sync if the isSyncable state is unknown 690 Bundle extrasCopy = extras; 691 long delayCopy = delay; 692 if (isSyncable < 0) { 693 extrasCopy = new Bundle(extras); 694 extrasCopy.putBoolean(ContentResolver.SYNC_EXTRAS_INITIALIZE, true); 695 delayCopy = -1; // expedite this 696 } else { 697 final boolean syncAutomatically = masterSyncAutomatically 698 && mSyncStorageEngine.getSyncAutomatically(account, authority); 699 boolean syncAllowed = 700 manualSync || (backgroundDataUsageAllowed && syncAutomatically); 701 if (!syncAllowed) { 702 if (isLoggable) { 703 Log.d(TAG, "scheduleSync: sync of " + account + ", " + authority 704 + " is not allowed, dropping request"); 705 } 706 continue; 707 } 708 } 709 if (isLoggable) { 710 Log.v(TAG, "scheduleSync:" 711 + " delay " + delayCopy 712 + ", source " + source 713 + ", account " + account 714 + ", authority " + authority 715 + ", extras " + extrasCopy); 716 } 717 scheduleSyncOperation( 718 new SyncOperation(account, source, authority, extrasCopy, delayCopy)); 719 } 720 } 721 } 722 } 723 724 private void setStatusText(String message) { 725 mStatusText = message; 726 } 727 728 public void scheduleLocalSync(Account account, String authority) { 729 final Bundle extras = new Bundle(); 730 extras.putBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, true); 731 scheduleSync(account, authority, extras, LOCAL_SYNC_DELAY, 732 false /* onlyThoseWithUnkownSyncableState */); 733 } 734 735 private IPackageManager getPackageManager() { 736 // Don't bother synchronizing on this. The worst that can happen is that two threads 737 // can try to get the package manager at the same time but only one result gets 738 // used. Since there is only one package manager in the system this doesn't matter. 739 if (mPackageManager == null) { 740 IBinder b = ServiceManager.getService("package"); 741 mPackageManager = IPackageManager.Stub.asInterface(b); 742 } 743 return mPackageManager; 744 } 745 746 public SyncAdapterType[] getSyncAdapterTypes() { 747 final Collection<RegisteredServicesCache.ServiceInfo<SyncAdapterType>> serviceInfos = 748 mSyncAdapters.getAllServices(); 749 SyncAdapterType[] types = new SyncAdapterType[serviceInfos.size()]; 750 int i = 0; 751 for (RegisteredServicesCache.ServiceInfo<SyncAdapterType> serviceInfo : serviceInfos) { 752 types[i] = serviceInfo.type; 753 ++i; 754 } 755 return types; 756 } 757 758 public void updateHeartbeatTime() { 759 mHeartbeatTime = SystemClock.elapsedRealtime(); 760 mSyncStorageEngine.reportActiveChange(); 761 } 762 763 private void sendSyncAlarmMessage() { 764 if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "sending MESSAGE_SYNC_ALARM"); 765 mSyncHandler.sendEmptyMessage(SyncHandler.MESSAGE_SYNC_ALARM); 766 } 767 768 private void sendCheckAlarmsMessage() { 769 if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "sending MESSAGE_CHECK_ALARMS"); 770 mSyncHandler.sendEmptyMessage(SyncHandler.MESSAGE_CHECK_ALARMS); 771 } 772 773 private void sendSyncFinishedOrCanceledMessage(ActiveSyncContext syncContext, 774 SyncResult syncResult) { 775 if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "sending MESSAGE_SYNC_FINISHED"); 776 Message msg = mSyncHandler.obtainMessage(); 777 msg.what = SyncHandler.MESSAGE_SYNC_FINISHED; 778 msg.obj = new SyncHandlerMessagePayload(syncContext, syncResult); 779 mSyncHandler.sendMessage(msg); 780 } 781 782 class SyncHandlerMessagePayload { 783 public final ActiveSyncContext activeSyncContext; 784 public final SyncResult syncResult; 785 786 SyncHandlerMessagePayload(ActiveSyncContext syncContext, SyncResult syncResult) { 787 this.activeSyncContext = syncContext; 788 this.syncResult = syncResult; 789 } 790 } 791 792 class SyncAlarmIntentReceiver extends BroadcastReceiver { 793 public void onReceive(Context context, Intent intent) { 794 mHandleAlarmWakeLock.acquire(); 795 sendSyncAlarmMessage(); 796 } 797 } 798 799 class SyncPollAlarmReceiver extends BroadcastReceiver { 800 public void onReceive(Context context, Intent intent) { 801 handleSyncPollAlarm(); 802 } 803 } 804 805 private void rescheduleImmediately(SyncOperation syncOperation) { 806 SyncOperation rescheduledSyncOperation = new SyncOperation(syncOperation); 807 rescheduledSyncOperation.setDelay(0); 808 scheduleSyncOperation(rescheduledSyncOperation); 809 } 810 811 private long rescheduleWithDelay(SyncOperation syncOperation) { 812 long newDelayInMs; 813 814 if (syncOperation.delay == 0) { 815 // The initial delay is the jitterized INITIAL_SYNC_RETRY_TIME_IN_MS 816 newDelayInMs = jitterize(INITIAL_SYNC_RETRY_TIME_IN_MS, 817 (long)(INITIAL_SYNC_RETRY_TIME_IN_MS * 1.1)); 818 } else { 819 // Subsequent delays are the double of the previous delay 820 newDelayInMs = syncOperation.delay * 2; 821 } 822 823 // Cap the delay 824 long maxSyncRetryTimeInSeconds = Settings.Gservices.getLong(mContext.getContentResolver(), 825 Settings.Gservices.SYNC_MAX_RETRY_DELAY_IN_SECONDS, 826 DEFAULT_MAX_SYNC_RETRY_TIME_IN_SECONDS); 827 if (newDelayInMs > maxSyncRetryTimeInSeconds * 1000) { 828 newDelayInMs = maxSyncRetryTimeInSeconds * 1000; 829 } 830 831 SyncOperation rescheduledSyncOperation = new SyncOperation(syncOperation); 832 rescheduledSyncOperation.setDelay(newDelayInMs); 833 scheduleSyncOperation(rescheduledSyncOperation); 834 return newDelayInMs; 835 } 836 837 /** 838 * Cancel the active sync if it matches the authority and account. 839 * @param account limit the cancelations to syncs with this account, if non-null 840 * @param authority limit the cancelations to syncs with this authority, if non-null 841 */ 842 public void cancelActiveSync(Account account, String authority) { 843 ActiveSyncContext activeSyncContext = mActiveSyncContext; 844 if (activeSyncContext != null) { 845 // if an authority was specified then only cancel the sync if it matches 846 if (account != null) { 847 if (!account.equals(activeSyncContext.mSyncOperation.account)) { 848 return; 849 } 850 } 851 // if an account was specified then only cancel the sync if it matches 852 if (authority != null) { 853 if (!authority.equals(activeSyncContext.mSyncOperation.authority)) { 854 return; 855 } 856 } 857 sendSyncFinishedOrCanceledMessage(activeSyncContext, 858 null /* no result since this is a cancel */); 859 } 860 } 861 862 /** 863 * Create and schedule a SyncOperation. 864 * 865 * @param syncOperation the SyncOperation to schedule 866 */ 867 public void scheduleSyncOperation(SyncOperation syncOperation) { 868 // If this operation is expedited and there is a sync in progress then 869 // reschedule the current operation and send a cancel for it. 870 final boolean expedited = syncOperation.delay < 0; 871 final ActiveSyncContext activeSyncContext = mActiveSyncContext; 872 if (expedited && activeSyncContext != null) { 873 final boolean activeIsExpedited = activeSyncContext.mSyncOperation.delay < 0; 874 final boolean hasSameKey = 875 activeSyncContext.mSyncOperation.key.equals(syncOperation.key); 876 // This request is expedited and there is a sync in progress. 877 // Interrupt the current sync only if it is not expedited and if it has a different 878 // key than the one we are scheduling. 879 if (!activeIsExpedited && !hasSameKey) { 880 rescheduleImmediately(activeSyncContext.mSyncOperation); 881 sendSyncFinishedOrCanceledMessage(activeSyncContext, 882 null /* no result since this is a cancel */); 883 } 884 } 885 886 boolean operationEnqueued; 887 synchronized (mSyncQueue) { 888 operationEnqueued = mSyncQueue.add(syncOperation); 889 } 890 891 if (operationEnqueued) { 892 if (Log.isLoggable(TAG, Log.VERBOSE)) { 893 Log.v(TAG, "scheduleSyncOperation: enqueued " + syncOperation); 894 } 895 sendCheckAlarmsMessage(); 896 } else { 897 if (Log.isLoggable(TAG, Log.VERBOSE)) { 898 Log.v(TAG, "scheduleSyncOperation: dropping duplicate sync operation " 899 + syncOperation); 900 } 901 } 902 } 903 904 /** 905 * Remove scheduled sync operations. 906 * @param account limit the removals to operations with this account, if non-null 907 * @param authority limit the removals to operations with this authority, if non-null 908 */ 909 public void clearScheduledSyncOperations(Account account, String authority) { 910 synchronized (mSyncQueue) { 911 mSyncQueue.clear(account, authority); 912 } 913 } 914 915 void maybeRescheduleSync(SyncResult syncResult, SyncOperation previousSyncOperation) { 916 boolean isLoggable = Log.isLoggable(TAG, Log.DEBUG); 917 if (isLoggable) { 918 Log.d(TAG, "encountered error(s) during the sync: " + syncResult + ", " 919 + previousSyncOperation); 920 } 921 922 // If the operation succeeded to some extent then retry immediately. 923 // If this was a two-way sync then retry soft errors with an exponential backoff. 924 // If this was an upward sync then schedule a two-way sync immediately. 925 // Otherwise do not reschedule. 926 927 if (syncResult.madeSomeProgress()) { 928 if (isLoggable) { 929 Log.d(TAG, "retrying sync operation immediately because " 930 + "even though it had an error it achieved some success"); 931 } 932 rescheduleImmediately(previousSyncOperation); 933 } else if (previousSyncOperation.extras.getBoolean( 934 ContentResolver.SYNC_EXTRAS_UPLOAD, false)) { 935 final SyncOperation newSyncOperation = new SyncOperation(previousSyncOperation); 936 newSyncOperation.extras.putBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, false); 937 newSyncOperation.setDelay(0); 938 if (Config.LOGD) { 939 Log.d(TAG, "retrying sync operation as a two-way sync because an upload-only sync " 940 + "encountered an error: " + previousSyncOperation); 941 } 942 scheduleSyncOperation(newSyncOperation); 943 } else if (syncResult.hasSoftError()) { 944 long delay = rescheduleWithDelay(previousSyncOperation); 945 if (delay >= 0) { 946 if (isLoggable) { 947 Log.d(TAG, "retrying sync operation in " + delay + " ms because " 948 + "it encountered a soft error: " + previousSyncOperation); 949 } 950 } 951 } else { 952 if (Config.LOGD) { 953 Log.d(TAG, "not retrying sync operation because the error is a hard error: " 954 + previousSyncOperation); 955 } 956 } 957 } 958 959 /** 960 * Value type that represents a sync operation. 961 */ 962 static class SyncOperation implements Comparable { 963 final Account account; 964 int syncSource; 965 String authority; 966 Bundle extras; 967 final String key; 968 long earliestRunTime; 969 long delay; 970 SyncStorageEngine.PendingOperation pendingOperation; 971 972 SyncOperation(Account account, int source, String authority, Bundle extras, long delay) { 973 this.account = account; 974 this.syncSource = source; 975 this.authority = authority; 976 this.extras = new Bundle(extras); 977 this.setDelay(delay); 978 this.key = toKey(); 979 } 980 981 SyncOperation(SyncOperation other) { 982 this.account = other.account; 983 this.syncSource = other.syncSource; 984 this.authority = other.authority; 985 this.extras = new Bundle(other.extras); 986 this.delay = other.delay; 987 this.earliestRunTime = other.earliestRunTime; 988 this.key = toKey(); 989 } 990 991 public void setDelay(long delay) { 992 this.delay = delay; 993 if (delay >= 0) { 994 this.earliestRunTime = SystemClock.elapsedRealtime() + delay; 995 } else { 996 this.earliestRunTime = 0; 997 } 998 } 999 1000 public String toString() { 1001 StringBuilder sb = new StringBuilder(); 1002 sb.append("authority: ").append(authority); 1003 sb.append(" account: ").append(account); 1004 sb.append(" extras: "); 1005 extrasToStringBuilder(extras, sb); 1006 sb.append(" syncSource: ").append(syncSource); 1007 sb.append(" when: ").append(earliestRunTime); 1008 sb.append(" delay: ").append(delay); 1009 sb.append(" key: {").append(key).append("}"); 1010 if (pendingOperation != null) sb.append(" pendingOperation: ").append(pendingOperation); 1011 return sb.toString(); 1012 } 1013 1014 private String toKey() { 1015 StringBuilder sb = new StringBuilder(); 1016 sb.append("authority: ").append(authority); 1017 sb.append(" account: ").append(account); 1018 sb.append(" extras: "); 1019 extrasToStringBuilder(extras, sb); 1020 return sb.toString(); 1021 } 1022 1023 private static void extrasToStringBuilder(Bundle bundle, StringBuilder sb) { 1024 sb.append("["); 1025 for (String key : bundle.keySet()) { 1026 sb.append(key).append("=").append(bundle.get(key)).append(" "); 1027 } 1028 sb.append("]"); 1029 } 1030 1031 public int compareTo(Object o) { 1032 SyncOperation other = (SyncOperation)o; 1033 if (earliestRunTime == other.earliestRunTime) { 1034 return 0; 1035 } 1036 return (earliestRunTime < other.earliestRunTime) ? -1 : 1; 1037 } 1038 } 1039 1040 /** 1041 * @hide 1042 */ 1043 class ActiveSyncContext extends ISyncContext.Stub implements ServiceConnection { 1044 final SyncOperation mSyncOperation; 1045 final long mHistoryRowId; 1046 ISyncAdapter mSyncAdapter; 1047 final long mStartTime; 1048 long mTimeoutStartTime; 1049 1050 public ActiveSyncContext(SyncOperation syncOperation, 1051 long historyRowId) { 1052 super(); 1053 mSyncOperation = syncOperation; 1054 mHistoryRowId = historyRowId; 1055 mSyncAdapter = null; 1056 mStartTime = SystemClock.elapsedRealtime(); 1057 mTimeoutStartTime = mStartTime; 1058 } 1059 1060 public void sendHeartbeat() { 1061 // ignore this call if it corresponds to an old sync session 1062 if (mActiveSyncContext == this) { 1063 SyncManager.this.updateHeartbeatTime(); 1064 } 1065 } 1066 1067 public void onFinished(SyncResult result) { 1068 // include "this" in the message so that the handler can ignore it if this 1069 // ActiveSyncContext is no longer the mActiveSyncContext at message handling 1070 // time 1071 sendSyncFinishedOrCanceledMessage(this, result); 1072 } 1073 1074 public void toString(StringBuilder sb) { 1075 sb.append("startTime ").append(mStartTime) 1076 .append(", mTimeoutStartTime ").append(mTimeoutStartTime) 1077 .append(", mHistoryRowId ").append(mHistoryRowId) 1078 .append(", syncOperation ").append(mSyncOperation); 1079 } 1080 1081 public void onServiceConnected(ComponentName name, IBinder service) { 1082 Message msg = mSyncHandler.obtainMessage(); 1083 msg.what = SyncHandler.MESSAGE_SERVICE_CONNECTED; 1084 msg.obj = new ServiceConnectionData(this, ISyncAdapter.Stub.asInterface(service)); 1085 mSyncHandler.sendMessage(msg); 1086 } 1087 1088 public void onServiceDisconnected(ComponentName name) { 1089 Message msg = mSyncHandler.obtainMessage(); 1090 msg.what = SyncHandler.MESSAGE_SERVICE_DISCONNECTED; 1091 msg.obj = new ServiceConnectionData(this, null); 1092 mSyncHandler.sendMessage(msg); 1093 } 1094 1095 boolean bindToSyncAdapter(RegisteredServicesCache.ServiceInfo info) { 1096 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1097 Log.d(TAG, "bindToSyncAdapter: " + info.componentName + ", connection " + this); 1098 } 1099 Intent intent = new Intent(); 1100 intent.setAction("android.content.SyncAdapter"); 1101 intent.setComponent(info.componentName); 1102 intent.putExtra(Intent.EXTRA_CLIENT_LABEL, 1103 com.android.internal.R.string.sync_binding_label); 1104 intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( 1105 mContext, 0, new Intent(Settings.ACTION_SYNC_SETTINGS), 0)); 1106 return mContext.bindService(intent, this, Context.BIND_AUTO_CREATE); 1107 } 1108 1109 void unBindFromSyncAdapter() { 1110 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1111 Log.d(TAG, "unBindFromSyncAdapter: connection " + this); 1112 } 1113 mContext.unbindService(this); 1114 } 1115 1116 @Override 1117 public String toString() { 1118 StringBuilder sb = new StringBuilder(); 1119 toString(sb); 1120 return sb.toString(); 1121 } 1122 } 1123 1124 protected void dump(FileDescriptor fd, PrintWriter pw) { 1125 StringBuilder sb = new StringBuilder(); 1126 dumpSyncState(pw, sb); 1127 if (isSyncEnabled()) { 1128 dumpSyncHistory(pw, sb); 1129 } 1130 1131 pw.println(); 1132 pw.println("SyncAdapters:"); 1133 for (RegisteredServicesCache.ServiceInfo info : mSyncAdapters.getAllServices()) { 1134 pw.println(" " + info); 1135 } 1136 } 1137 1138 static String formatTime(long time) { 1139 Time tobj = new Time(); 1140 tobj.set(time); 1141 return tobj.format("%Y-%m-%d %H:%M:%S"); 1142 } 1143 1144 protected void dumpSyncState(PrintWriter pw, StringBuilder sb) { 1145 pw.print("sync enabled: "); pw.println(isSyncEnabled()); 1146 pw.print("data connected: "); pw.println(mDataConnectionIsConnected); 1147 pw.print("memory low: "); pw.println(mStorageIsLow); 1148 1149 final Account[] accounts = mAccounts; 1150 pw.print("accounts: "); 1151 if (accounts != null) { 1152 pw.println(accounts.length); 1153 } else { 1154 pw.println("none"); 1155 } 1156 final long now = SystemClock.elapsedRealtime(); 1157 pw.print("now: "); pw.println(now); 1158 pw.print("uptime: "); pw.print(DateUtils.formatElapsedTime(now/1000)); 1159 pw.println(" (HH:MM:SS)"); 1160 pw.print("time spent syncing: "); 1161 pw.print(DateUtils.formatElapsedTime( 1162 mSyncHandler.mSyncTimeTracker.timeSpentSyncing() / 1000)); 1163 pw.print(" (HH:MM:SS), sync "); 1164 pw.print(mSyncHandler.mSyncTimeTracker.mLastWasSyncing ? "" : "not "); 1165 pw.println("in progress"); 1166 if (mSyncHandler.mAlarmScheduleTime != null) { 1167 pw.print("next alarm time: "); pw.print(mSyncHandler.mAlarmScheduleTime); 1168 pw.print(" ("); 1169 pw.print(DateUtils.formatElapsedTime((mSyncHandler.mAlarmScheduleTime-now)/1000)); 1170 pw.println(" (HH:MM:SS) from now)"); 1171 } else { 1172 pw.println("no alarm is scheduled (there had better not be any pending syncs)"); 1173 } 1174 1175 pw.print("active sync: "); pw.println(mActiveSyncContext); 1176 1177 pw.print("notification info: "); 1178 sb.setLength(0); 1179 mSyncHandler.mSyncNotificationInfo.toString(sb); 1180 pw.println(sb.toString()); 1181 1182 synchronized (mSyncQueue) { 1183 pw.print("sync queue: "); 1184 sb.setLength(0); 1185 mSyncQueue.dump(sb); 1186 pw.println(sb.toString()); 1187 } 1188 1189 ActiveSyncInfo active = mSyncStorageEngine.getActiveSync(); 1190 if (active != null) { 1191 SyncStorageEngine.AuthorityInfo authority 1192 = mSyncStorageEngine.getAuthority(active.authorityId); 1193 final long durationInSeconds = (now - active.startTime) / 1000; 1194 pw.print("Active sync: "); 1195 pw.print(authority != null ? authority.account : "<no account>"); 1196 pw.print(" "); 1197 pw.print(authority != null ? authority.authority : "<no account>"); 1198 pw.print(", duration is "); 1199 pw.println(DateUtils.formatElapsedTime(durationInSeconds)); 1200 } else { 1201 pw.println("No sync is in progress."); 1202 } 1203 1204 ArrayList<SyncStorageEngine.PendingOperation> ops 1205 = mSyncStorageEngine.getPendingOperations(); 1206 if (ops != null && ops.size() > 0) { 1207 pw.println(); 1208 pw.println("Pending Syncs"); 1209 final int N = ops.size(); 1210 for (int i=0; i<N; i++) { 1211 SyncStorageEngine.PendingOperation op = ops.get(i); 1212 pw.print(" #"); pw.print(i); pw.print(": account="); 1213 pw.print(op.account.name); pw.print(":"); 1214 pw.print(op.account.type); pw.print(" authority="); 1215 pw.println(op.authority); 1216 if (op.extras != null && op.extras.size() > 0) { 1217 sb.setLength(0); 1218 SyncOperation.extrasToStringBuilder(op.extras, sb); 1219 pw.print(" extras: "); pw.println(sb.toString()); 1220 } 1221 } 1222 } 1223 1224 HashSet<Account> processedAccounts = new HashSet<Account>(); 1225 ArrayList<SyncStatusInfo> statuses 1226 = mSyncStorageEngine.getSyncStatus(); 1227 if (statuses != null && statuses.size() > 0) { 1228 pw.println(); 1229 pw.println("Sync Status"); 1230 final int N = statuses.size(); 1231 for (int i=0; i<N; i++) { 1232 SyncStatusInfo status = statuses.get(i); 1233 SyncStorageEngine.AuthorityInfo authority 1234 = mSyncStorageEngine.getAuthority(status.authorityId); 1235 if (authority != null) { 1236 Account curAccount = authority.account; 1237 1238 if (processedAccounts.contains(curAccount)) { 1239 continue; 1240 } 1241 1242 processedAccounts.add(curAccount); 1243 1244 pw.print(" Account "); pw.print(authority.account.name); 1245 pw.print(" "); pw.print(authority.account.type); 1246 pw.println(":"); 1247 for (int j=i; j<N; j++) { 1248 status = statuses.get(j); 1249 authority = mSyncStorageEngine.getAuthority(status.authorityId); 1250 if (!curAccount.equals(authority.account)) { 1251 continue; 1252 } 1253 pw.print(" "); pw.print(authority.authority); 1254 pw.println(":"); 1255 pw.print(" count: local="); pw.print(status.numSourceLocal); 1256 pw.print(" poll="); pw.print(status.numSourcePoll); 1257 pw.print(" server="); pw.print(status.numSourceServer); 1258 pw.print(" user="); pw.print(status.numSourceUser); 1259 pw.print(" total="); pw.println(status.numSyncs); 1260 pw.print(" total duration: "); 1261 pw.println(DateUtils.formatElapsedTime( 1262 status.totalElapsedTime/1000)); 1263 if (status.lastSuccessTime != 0) { 1264 pw.print(" SUCCESS: source="); 1265 pw.print(SyncStorageEngine.SOURCES[ 1266 status.lastSuccessSource]); 1267 pw.print(" time="); 1268 pw.println(formatTime(status.lastSuccessTime)); 1269 } else { 1270 pw.print(" FAILURE: source="); 1271 pw.print(SyncStorageEngine.SOURCES[ 1272 status.lastFailureSource]); 1273 pw.print(" initialTime="); 1274 pw.print(formatTime(status.initialFailureTime)); 1275 pw.print(" lastTime="); 1276 pw.println(formatTime(status.lastFailureTime)); 1277 pw.print(" message: "); pw.println(status.lastFailureMesg); 1278 } 1279 } 1280 } 1281 } 1282 } 1283 } 1284 1285 private void dumpTimeSec(PrintWriter pw, long time) { 1286 pw.print(time/1000); pw.print('.'); pw.print((time/100)%10); 1287 pw.print('s'); 1288 } 1289 1290 private void dumpDayStatistic(PrintWriter pw, SyncStorageEngine.DayStats ds) { 1291 pw.print("Success ("); pw.print(ds.successCount); 1292 if (ds.successCount > 0) { 1293 pw.print(" for "); dumpTimeSec(pw, ds.successTime); 1294 pw.print(" avg="); dumpTimeSec(pw, ds.successTime/ds.successCount); 1295 } 1296 pw.print(") Failure ("); pw.print(ds.failureCount); 1297 if (ds.failureCount > 0) { 1298 pw.print(" for "); dumpTimeSec(pw, ds.failureTime); 1299 pw.print(" avg="); dumpTimeSec(pw, ds.failureTime/ds.failureCount); 1300 } 1301 pw.println(")"); 1302 } 1303 1304 protected void dumpSyncHistory(PrintWriter pw, StringBuilder sb) { 1305 SyncStorageEngine.DayStats dses[] = mSyncStorageEngine.getDayStatistics(); 1306 if (dses != null && dses[0] != null) { 1307 pw.println(); 1308 pw.println("Sync Statistics"); 1309 pw.print(" Today: "); dumpDayStatistic(pw, dses[0]); 1310 int today = dses[0].day; 1311 int i; 1312 SyncStorageEngine.DayStats ds; 1313 1314 // Print each day in the current week. 1315 for (i=1; i<=6 && i < dses.length; i++) { 1316 ds = dses[i]; 1317 if (ds == null) break; 1318 int delta = today-ds.day; 1319 if (delta > 6) break; 1320 1321 pw.print(" Day-"); pw.print(delta); pw.print(": "); 1322 dumpDayStatistic(pw, ds); 1323 } 1324 1325 // Aggregate all following days into weeks and print totals. 1326 int weekDay = today; 1327 while (i < dses.length) { 1328 SyncStorageEngine.DayStats aggr = null; 1329 weekDay -= 7; 1330 while (i < dses.length) { 1331 ds = dses[i]; 1332 if (ds == null) { 1333 i = dses.length; 1334 break; 1335 } 1336 int delta = weekDay-ds.day; 1337 if (delta > 6) break; 1338 i++; 1339 1340 if (aggr == null) { 1341 aggr = new SyncStorageEngine.DayStats(weekDay); 1342 } 1343 aggr.successCount += ds.successCount; 1344 aggr.successTime += ds.successTime; 1345 aggr.failureCount += ds.failureCount; 1346 aggr.failureTime += ds.failureTime; 1347 } 1348 if (aggr != null) { 1349 pw.print(" Week-"); pw.print((today-weekDay)/7); pw.print(": "); 1350 dumpDayStatistic(pw, aggr); 1351 } 1352 } 1353 } 1354 1355 ArrayList<SyncStorageEngine.SyncHistoryItem> items 1356 = mSyncStorageEngine.getSyncHistory(); 1357 if (items != null && items.size() > 0) { 1358 pw.println(); 1359 pw.println("Recent Sync History"); 1360 final int N = items.size(); 1361 for (int i=0; i<N; i++) { 1362 SyncStorageEngine.SyncHistoryItem item = items.get(i); 1363 SyncStorageEngine.AuthorityInfo authority 1364 = mSyncStorageEngine.getAuthority(item.authorityId); 1365 pw.print(" #"); pw.print(i+1); pw.print(": "); 1366 if (authority != null) { 1367 pw.print(authority.account.name); 1368 pw.print(":"); 1369 pw.print(authority.account.type); 1370 pw.print(" "); 1371 pw.print(authority.authority); 1372 } else { 1373 pw.print("<no account>"); 1374 } 1375 Time time = new Time(); 1376 time.set(item.eventTime); 1377 pw.print(" "); pw.print(SyncStorageEngine.SOURCES[item.source]); 1378 pw.print(" @ "); 1379 pw.print(formatTime(item.eventTime)); 1380 pw.print(" for "); 1381 dumpTimeSec(pw, item.elapsedTime); 1382 pw.println(); 1383 if (item.event != SyncStorageEngine.EVENT_STOP 1384 || item.upstreamActivity !=0 1385 || item.downstreamActivity != 0) { 1386 pw.print(" event="); pw.print(item.event); 1387 pw.print(" upstreamActivity="); pw.print(item.upstreamActivity); 1388 pw.print(" downstreamActivity="); pw.println(item.downstreamActivity); 1389 } 1390 if (item.mesg != null 1391 && !SyncStorageEngine.MESG_SUCCESS.equals(item.mesg)) { 1392 pw.print(" mesg="); pw.println(item.mesg); 1393 } 1394 } 1395 } 1396 } 1397 1398 /** 1399 * A helper object to keep track of the time we have spent syncing since the last boot 1400 */ 1401 private class SyncTimeTracker { 1402 /** True if a sync was in progress on the most recent call to update() */ 1403 boolean mLastWasSyncing = false; 1404 /** Used to track when lastWasSyncing was last set */ 1405 long mWhenSyncStarted = 0; 1406 /** The cumulative time we have spent syncing */ 1407 private long mTimeSpentSyncing; 1408 1409 /** Call to let the tracker know that the sync state may have changed */ 1410 public synchronized void update() { 1411 final boolean isSyncInProgress = mActiveSyncContext != null; 1412 if (isSyncInProgress == mLastWasSyncing) return; 1413 final long now = SystemClock.elapsedRealtime(); 1414 if (isSyncInProgress) { 1415 mWhenSyncStarted = now; 1416 } else { 1417 mTimeSpentSyncing += now - mWhenSyncStarted; 1418 } 1419 mLastWasSyncing = isSyncInProgress; 1420 } 1421 1422 /** Get how long we have been syncing, in ms */ 1423 public synchronized long timeSpentSyncing() { 1424 if (!mLastWasSyncing) return mTimeSpentSyncing; 1425 1426 final long now = SystemClock.elapsedRealtime(); 1427 return mTimeSpentSyncing + (now - mWhenSyncStarted); 1428 } 1429 } 1430 1431 class ServiceConnectionData { 1432 public final ActiveSyncContext activeSyncContext; 1433 public final ISyncAdapter syncAdapter; 1434 ServiceConnectionData(ActiveSyncContext activeSyncContext, ISyncAdapter syncAdapter) { 1435 this.activeSyncContext = activeSyncContext; 1436 this.syncAdapter = syncAdapter; 1437 } 1438 } 1439 1440 /** 1441 * Handles SyncOperation Messages that are posted to the associated 1442 * HandlerThread. 1443 */ 1444 class SyncHandler extends Handler { 1445 // Messages that can be sent on mHandler 1446 private static final int MESSAGE_SYNC_FINISHED = 1; 1447 private static final int MESSAGE_SYNC_ALARM = 2; 1448 private static final int MESSAGE_CHECK_ALARMS = 3; 1449 private static final int MESSAGE_SERVICE_CONNECTED = 4; 1450 private static final int MESSAGE_SERVICE_DISCONNECTED = 5; 1451 1452 public final SyncNotificationInfo mSyncNotificationInfo = new SyncNotificationInfo(); 1453 private Long mAlarmScheduleTime = null; 1454 public final SyncTimeTracker mSyncTimeTracker = new SyncTimeTracker(); 1455 1456 // used to track if we have installed the error notification so that we don't reinstall 1457 // it if sync is still failing 1458 private boolean mErrorNotificationInstalled = false; 1459 private volatile CountDownLatch mReadyToRunLatch = new CountDownLatch(1); 1460 1461 public void onBootCompleted() { 1462 mBootCompleted = true; 1463 if (mReadyToRunLatch != null) { 1464 mReadyToRunLatch.countDown(); 1465 } 1466 } 1467 1468 private void waitUntilReadyToRun() { 1469 CountDownLatch latch = mReadyToRunLatch; 1470 if (latch != null) { 1471 while (true) { 1472 try { 1473 latch.await(); 1474 mReadyToRunLatch = null; 1475 return; 1476 } catch (InterruptedException e) { 1477 Thread.currentThread().interrupt(); 1478 } 1479 } 1480 } 1481 } 1482 /** 1483 * Used to keep track of whether a sync notification is active and who it is for. 1484 */ 1485 class SyncNotificationInfo { 1486 // only valid if isActive is true 1487 public Account account; 1488 1489 // only valid if isActive is true 1490 public String authority; 1491 1492 // true iff the notification manager has been asked to send the notification 1493 public boolean isActive = false; 1494 1495 // Set when we transition from not running a sync to running a sync, and cleared on 1496 // the opposite transition. 1497 public Long startTime = null; 1498 1499 public void toString(StringBuilder sb) { 1500 sb.append("account ").append(account) 1501 .append(", authority ").append(authority) 1502 .append(", isActive ").append(isActive) 1503 .append(", startTime ").append(startTime); 1504 } 1505 1506 @Override 1507 public String toString() { 1508 StringBuilder sb = new StringBuilder(); 1509 toString(sb); 1510 return sb.toString(); 1511 } 1512 } 1513 1514 public SyncHandler(Looper looper) { 1515 super(looper); 1516 } 1517 1518 public void handleMessage(Message msg) { 1519 try { 1520 waitUntilReadyToRun(); 1521 switch (msg.what) { 1522 case SyncHandler.MESSAGE_SYNC_FINISHED: 1523 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1524 Log.v(TAG, "handleSyncHandlerMessage: MESSAGE_SYNC_FINISHED"); 1525 } 1526 SyncHandlerMessagePayload payload = (SyncHandlerMessagePayload)msg.obj; 1527 if (mActiveSyncContext != payload.activeSyncContext) { 1528 if (Config.LOGD) { 1529 Log.d(TAG, "handleSyncHandlerMessage: sync context doesn't match, " 1530 + "dropping: mActiveSyncContext " + mActiveSyncContext 1531 + " != " + payload.activeSyncContext); 1532 } 1533 return; 1534 } 1535 runSyncFinishedOrCanceled(payload.syncResult); 1536 1537 // since we are no longer syncing, check if it is time to start a new sync 1538 runStateIdle(); 1539 break; 1540 1541 case SyncHandler.MESSAGE_SERVICE_CONNECTED: { 1542 ServiceConnectionData msgData = (ServiceConnectionData)msg.obj; 1543 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1544 Log.d(TAG, "handleSyncHandlerMessage: MESSAGE_SERVICE_CONNECTED: " 1545 + msgData.activeSyncContext 1546 + " active is " + mActiveSyncContext); 1547 } 1548 // check that this isn't an old message 1549 if (mActiveSyncContext == msgData.activeSyncContext) { 1550 runBoundToSyncAdapter(msgData.syncAdapter); 1551 } 1552 break; 1553 } 1554 1555 case SyncHandler.MESSAGE_SERVICE_DISCONNECTED: { 1556 ServiceConnectionData msgData = (ServiceConnectionData)msg.obj; 1557 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1558 Log.d(TAG, "handleSyncHandlerMessage: MESSAGE_SERVICE_DISCONNECTED: " 1559 + msgData.activeSyncContext 1560 + " active is " + mActiveSyncContext); 1561 } 1562 // check that this isn't an old message 1563 if (mActiveSyncContext == msgData.activeSyncContext) { 1564 // cancel the sync if we have a syncadapter, which means one is 1565 // outstanding 1566 if (mActiveSyncContext.mSyncAdapter != null) { 1567 try { 1568 mActiveSyncContext.mSyncAdapter.cancelSync(mActiveSyncContext); 1569 } catch (RemoteException e) { 1570 // we don't need to retry this in this case 1571 } 1572 } 1573 1574 // pretend that the sync failed with an IOException, 1575 // which is a soft error 1576 SyncResult syncResult = new SyncResult(); 1577 syncResult.stats.numIoExceptions++; 1578 runSyncFinishedOrCanceled(syncResult); 1579 1580 // since we are no longer syncing, check if it is time to start a new 1581 // sync 1582 runStateIdle(); 1583 } 1584 1585 break; 1586 } 1587 1588 case SyncHandler.MESSAGE_SYNC_ALARM: { 1589 boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); 1590 if (isLoggable) { 1591 Log.v(TAG, "handleSyncHandlerMessage: MESSAGE_SYNC_ALARM"); 1592 } 1593 mAlarmScheduleTime = null; 1594 try { 1595 if (mActiveSyncContext != null) { 1596 if (isLoggable) { 1597 Log.v(TAG, "handleSyncHandlerMessage: sync context is active"); 1598 } 1599 runStateSyncing(); 1600 } 1601 1602 // if the above call to runStateSyncing() resulted in the end of a sync, 1603 // check if it is time to start a new sync 1604 if (mActiveSyncContext == null) { 1605 if (isLoggable) { 1606 Log.v(TAG, "handleSyncHandlerMessage: " 1607 + "sync context is not active"); 1608 } 1609 runStateIdle(); 1610 } 1611 } finally { 1612 mHandleAlarmWakeLock.release(); 1613 } 1614 break; 1615 } 1616 1617 case SyncHandler.MESSAGE_CHECK_ALARMS: 1618 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1619 Log.v(TAG, "handleSyncHandlerMessage: MESSAGE_CHECK_ALARMS"); 1620 } 1621 // we do all the work for this case in the finally block 1622 break; 1623 } 1624 } finally { 1625 final boolean isSyncInProgress = mActiveSyncContext != null; 1626 if (!isSyncInProgress) { 1627 mSyncWakeLock.release(); 1628 } 1629 manageSyncNotification(); 1630 manageErrorNotification(); 1631 manageSyncAlarm(); 1632 mSyncTimeTracker.update(); 1633 } 1634 } 1635 1636 private void runStateSyncing() { 1637 // if the sync timeout has been reached then cancel it 1638 1639 ActiveSyncContext activeSyncContext = mActiveSyncContext; 1640 1641 final long now = SystemClock.elapsedRealtime(); 1642 if (now > activeSyncContext.mTimeoutStartTime + MAX_TIME_PER_SYNC) { 1643 SyncOperation nextSyncOperation; 1644 synchronized (mSyncQueue) { 1645 nextSyncOperation = mSyncQueue.head(); 1646 } 1647 if (nextSyncOperation != null && nextSyncOperation.earliestRunTime <= now) { 1648 if (Config.LOGD) { 1649 Log.d(TAG, "canceling and rescheduling sync because it ran too long: " 1650 + activeSyncContext.mSyncOperation); 1651 } 1652 rescheduleImmediately(activeSyncContext.mSyncOperation); 1653 sendSyncFinishedOrCanceledMessage(activeSyncContext, 1654 null /* no result since this is a cancel */); 1655 } else { 1656 activeSyncContext.mTimeoutStartTime = now + MAX_TIME_PER_SYNC; 1657 } 1658 } 1659 1660 // no need to schedule an alarm, as that will be done by our caller. 1661 } 1662 1663 private void runStateIdle() { 1664 boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); 1665 if (isLoggable) Log.v(TAG, "runStateIdle"); 1666 1667 // If we aren't ready to run (e.g. the data connection is down), get out. 1668 if (!mDataConnectionIsConnected) { 1669 if (isLoggable) { 1670 Log.v(TAG, "runStateIdle: no data connection, skipping"); 1671 } 1672 setStatusText("No data connection"); 1673 return; 1674 } 1675 1676 if (mStorageIsLow) { 1677 if (isLoggable) { 1678 Log.v(TAG, "runStateIdle: memory low, skipping"); 1679 } 1680 setStatusText("Memory low"); 1681 return; 1682 } 1683 1684 // If the accounts aren't known yet then we aren't ready to run. We will be kicked 1685 // when the account lookup request does complete. 1686 Account[] accounts = mAccounts; 1687 if (accounts == null) { 1688 if (isLoggable) { 1689 Log.v(TAG, "runStateIdle: accounts not known, skipping"); 1690 } 1691 setStatusText("Accounts not known yet"); 1692 return; 1693 } 1694 1695 // Otherwise consume SyncOperations from the head of the SyncQueue until one is 1696 // found that is runnable (not disabled, etc). If that one is ready to run then 1697 // start it, otherwise just get out. 1698 SyncOperation op; 1699 final boolean backgroundDataUsageAllowed = 1700 getConnectivityManager().getBackgroundDataSetting(); 1701 synchronized (mSyncQueue) { 1702 while (true) { 1703 op = mSyncQueue.head(); 1704 if (op == null) { 1705 if (isLoggable) { 1706 Log.v(TAG, "runStateIdle: no more sync operations, returning"); 1707 } 1708 return; 1709 } 1710 1711 // Sync is disabled, drop this operation. 1712 if (!isSyncEnabled()) { 1713 if (isLoggable) { 1714 Log.v(TAG, "runStateIdle: sync disabled, dropping " + op); 1715 } 1716 mSyncQueue.popHead(); 1717 continue; 1718 } 1719 1720 // skip the sync if it isn't manual and auto sync is disabled 1721 final boolean manualSync = op.extras.getBoolean( 1722 ContentResolver.SYNC_EXTRAS_MANUAL, false); 1723 final boolean syncAutomatically = 1724 mSyncStorageEngine.getSyncAutomatically(op.account, op.authority) 1725 && mSyncStorageEngine.getMasterSyncAutomatically(); 1726 boolean syncAllowed = 1727 manualSync || (backgroundDataUsageAllowed && syncAutomatically); 1728 int isSyncable = mSyncStorageEngine.getIsSyncable(op.account, op.authority); 1729 if (isSyncable == 0) { 1730 // if not syncable, don't allow 1731 syncAllowed = false; 1732 } else if (isSyncable < 0) { 1733 // if the syncable state is unknown, only allow initialization syncs 1734 syncAllowed = 1735 op.extras.getBoolean(ContentResolver.SYNC_EXTRAS_INITIALIZE, false); 1736 } 1737 if (!syncAllowed) { 1738 if (isLoggable) { 1739 Log.v(TAG, "runStateIdle: sync off, dropping " + op); 1740 } 1741 mSyncQueue.popHead(); 1742 continue; 1743 } 1744 1745 // skip the sync if the account of this operation no longer exists 1746 if (!ArrayUtils.contains(accounts, op.account)) { 1747 mSyncQueue.popHead(); 1748 if (isLoggable) { 1749 Log.v(TAG, "runStateIdle: account not present, dropping " + op); 1750 } 1751 continue; 1752 } 1753 1754 // go ahead and try to sync this syncOperation 1755 if (isLoggable) { 1756 Log.v(TAG, "runStateIdle: found sync candidate: " + op); 1757 } 1758 break; 1759 } 1760 1761 // If the first SyncOperation isn't ready to run schedule a wakeup and 1762 // get out. 1763 final long now = SystemClock.elapsedRealtime(); 1764 if (op.earliestRunTime > now) { 1765 if (Log.isLoggable(TAG, Log.DEBUG)) { 1766 Log.d(TAG, "runStateIdle: the time is " + now + " yet the next " 1767 + "sync operation is for " + op.earliestRunTime + ": " + op); 1768 } 1769 return; 1770 } 1771 1772 // We will do this sync. Remove it from the queue and run it outside of the 1773 // synchronized block. 1774 if (isLoggable) { 1775 Log.v(TAG, "runStateIdle: we are going to sync " + op); 1776 } 1777 mSyncQueue.popHead(); 1778 } 1779 1780 // connect to the sync adapter 1781 SyncAdapterType syncAdapterType = SyncAdapterType.newKey(op.authority, op.account.type); 1782 RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo = 1783 mSyncAdapters.getServiceInfo(syncAdapterType); 1784 if (syncAdapterInfo == null) { 1785 if (Config.LOGD) { 1786 Log.d(TAG, "can't find a sync adapter for " + syncAdapterType); 1787 } 1788 runStateIdle(); 1789 return; 1790 } 1791 1792 ActiveSyncContext activeSyncContext = 1793 new ActiveSyncContext(op, insertStartSyncEvent(op)); 1794 mActiveSyncContext = activeSyncContext; 1795 if (Log.isLoggable(TAG, Log.VERBOSE)) { 1796 Log.v(TAG, "runStateIdle: setting mActiveSyncContext to " + mActiveSyncContext); 1797 } 1798 mSyncStorageEngine.setActiveSync(mActiveSyncContext); 1799 if (!activeSyncContext.bindToSyncAdapter(syncAdapterInfo)) { 1800 Log.e(TAG, "Bind attempt failed to " + syncAdapterInfo); 1801 mActiveSyncContext = null; 1802 mSyncStorageEngine.setActiveSync(mActiveSyncContext); 1803 runStateIdle(); 1804 return; 1805 } 1806 1807 mSyncWakeLock.acquire(); 1808 // no need to schedule an alarm, as that will be done by our caller. 1809 1810 // the next step will occur when we get either a timeout or a 1811 // MESSAGE_SERVICE_CONNECTED or MESSAGE_SERVICE_DISCONNECTED message 1812 } 1813 1814 private void runBoundToSyncAdapter(ISyncAdapter syncAdapter) { 1815 mActiveSyncContext.mSyncAdapter = syncAdapter; 1816 final SyncOperation syncOperation = mActiveSyncContext.mSyncOperation; 1817 try { 1818 syncAdapter.startSync(mActiveSyncContext, syncOperation.authority, 1819 syncOperation.account, syncOperation.extras); 1820 } catch (RemoteException remoteExc) { 1821 if (Config.LOGD) { 1822 Log.d(TAG, "runStateIdle: caught a RemoteException, rescheduling", remoteExc); 1823 } 1824 mActiveSyncContext.unBindFromSyncAdapter(); 1825 mActiveSyncContext = null; 1826 mSyncStorageEngine.setActiveSync(mActiveSyncContext); 1827 rescheduleWithDelay(syncOperation); 1828 } catch (RuntimeException exc) { 1829 mActiveSyncContext.unBindFromSyncAdapter(); 1830 mActiveSyncContext = null; 1831 mSyncStorageEngine.setActiveSync(mActiveSyncContext); 1832 Log.e(TAG, "Caught a RuntimeException while starting the sync " + syncOperation, 1833 exc); 1834 } 1835 } 1836 1837 private void runSyncFinishedOrCanceled(SyncResult syncResult) { 1838 boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); 1839 if (isLoggable) Log.v(TAG, "runSyncFinishedOrCanceled"); 1840 final ActiveSyncContext activeSyncContext = mActiveSyncContext; 1841 mActiveSyncContext = null; 1842 mSyncStorageEngine.setActiveSync(mActiveSyncContext); 1843 1844 final SyncOperation syncOperation = activeSyncContext.mSyncOperation; 1845 1846 final long elapsedTime = SystemClock.elapsedRealtime() - activeSyncContext.mStartTime; 1847 1848 String historyMessage; 1849 int downstreamActivity; 1850 int upstreamActivity; 1851 if (syncResult != null) { 1852 if (isLoggable) { 1853 Log.v(TAG, "runSyncFinishedOrCanceled: is a finished: operation " 1854 + syncOperation + ", result " + syncResult); 1855 } 1856 1857 if (!syncResult.hasError()) { 1858 if (isLoggable) { 1859 Log.v(TAG, "finished sync operation " + syncOperation); 1860 } 1861 historyMessage = SyncStorageEngine.MESG_SUCCESS; 1862 // TODO: set these correctly when the SyncResult is extended to include it 1863 downstreamActivity = 0; 1864 upstreamActivity = 0; 1865 } else { 1866 maybeRescheduleSync(syncResult, syncOperation); 1867 if (Config.LOGD) { 1868 Log.d(TAG, "failed sync operation " + syncOperation); 1869 } 1870 historyMessage = Integer.toString(syncResultToErrorNumber(syncResult)); 1871 // TODO: set these correctly when the SyncResult is extended to include it 1872 downstreamActivity = 0; 1873 upstreamActivity = 0; 1874 } 1875 } else { 1876 if (isLoggable) { 1877 Log.v(TAG, "runSyncFinishedOrCanceled: is a cancel: operation " 1878 + syncOperation); 1879 } 1880 if (activeSyncContext.mSyncAdapter != null) { 1881 try { 1882 activeSyncContext.mSyncAdapter.cancelSync(activeSyncContext); 1883 } catch (RemoteException e) { 1884 // we don't need to retry this in this case 1885 } 1886 } 1887 historyMessage = SyncStorageEngine.MESG_CANCELED; 1888 downstreamActivity = 0; 1889 upstreamActivity = 0; 1890 } 1891 1892 stopSyncEvent(activeSyncContext.mHistoryRowId, syncOperation, historyMessage, 1893 upstreamActivity, downstreamActivity, elapsedTime); 1894 1895 activeSyncContext.unBindFromSyncAdapter(); 1896 1897 if (syncResult != null && syncResult.tooManyDeletions) { 1898 installHandleTooManyDeletesNotification(syncOperation.account, 1899 syncOperation.authority, syncResult.stats.numDeletes); 1900 } else { 1901 mNotificationMgr.cancel( 1902 syncOperation.account.hashCode() ^ syncOperation.authority.hashCode()); 1903 } 1904 1905 if (syncResult != null && syncResult.fullSyncRequested) { 1906 scheduleSyncOperation(new SyncOperation(syncOperation.account, 1907 syncOperation.syncSource, syncOperation.authority, new Bundle(), 0)); 1908 } 1909 // no need to schedule an alarm, as that will be done by our caller. 1910 } 1911 1912 /** 1913 * Convert the error-containing SyncResult into the Sync.History error number. Since 1914 * the SyncResult may indicate multiple errors at once, this method just returns the 1915 * most "serious" error. 1916 * @param syncResult the SyncResult from which to read 1917 * @return the most "serious" error set in the SyncResult 1918 * @throws IllegalStateException if the SyncResult does not indicate any errors. 1919 * If SyncResult.error() is true then it is safe to call this. 1920 */ 1921 private int syncResultToErrorNumber(SyncResult syncResult) { 1922 if (syncResult.syncAlreadyInProgress) 1923 return ContentResolver.SYNC_ERROR_SYNC_ALREADY_IN_PROGRESS; 1924 if (syncResult.stats.numAuthExceptions > 0) 1925 return ContentResolver.SYNC_ERROR_AUTHENTICATION; 1926 if (syncResult.stats.numIoExceptions > 0) 1927 return ContentResolver.SYNC_ERROR_IO; 1928 if (syncResult.stats.numParseExceptions > 0) 1929 return ContentResolver.SYNC_ERROR_PARSE; 1930 if (syncResult.stats.numConflictDetectedExceptions > 0) 1931 return ContentResolver.SYNC_ERROR_CONFLICT; 1932 if (syncResult.tooManyDeletions) 1933 return ContentResolver.SYNC_ERROR_TOO_MANY_DELETIONS; 1934 if (syncResult.tooManyRetries) 1935 return ContentResolver.SYNC_ERROR_TOO_MANY_RETRIES; 1936 if (syncResult.databaseError) 1937 return ContentResolver.SYNC_ERROR_INTERNAL; 1938 throw new IllegalStateException("we are not in an error state, " + syncResult); 1939 } 1940 1941 private void manageSyncNotification() { 1942 boolean shouldCancel; 1943 boolean shouldInstall; 1944 1945 if (mActiveSyncContext == null) { 1946 mSyncNotificationInfo.startTime = null; 1947 1948 // we aren't syncing. if the notification is active then remember that we need 1949 // to cancel it and then clear out the info 1950 shouldCancel = mSyncNotificationInfo.isActive; 1951 shouldInstall = false; 1952 } else { 1953 // we are syncing 1954 final SyncOperation syncOperation = mActiveSyncContext.mSyncOperation; 1955 1956 final long now = SystemClock.elapsedRealtime(); 1957 if (mSyncNotificationInfo.startTime == null) { 1958 mSyncNotificationInfo.startTime = now; 1959 } 1960 1961 // cancel the notification if it is up and the authority or account is wrong 1962 shouldCancel = mSyncNotificationInfo.isActive && 1963 (!syncOperation.authority.equals(mSyncNotificationInfo.authority) 1964 || !syncOperation.account.equals(mSyncNotificationInfo.account)); 1965 1966 // there are four cases: 1967 // - the notification is up and there is no change: do nothing 1968 // - the notification is up but we should cancel since it is stale: 1969 // need to install 1970 // - the notification is not up but it isn't time yet: don't install 1971 // - the notification is not up and it is time: need to install 1972 1973 if (mSyncNotificationInfo.isActive) { 1974 shouldInstall = shouldCancel; 1975 } else { 1976 final boolean timeToShowNotification = 1977 now > mSyncNotificationInfo.startTime + SYNC_NOTIFICATION_DELAY; 1978 // show the notification immediately if this is a manual sync 1979 final boolean manualSync = syncOperation.extras 1980 .getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false); 1981 shouldInstall = timeToShowNotification || manualSync; 1982 } 1983 } 1984 1985 if (shouldCancel && !shouldInstall) { 1986 mNeedSyncActiveNotification = false; 1987 sendSyncStateIntent(); 1988 mSyncNotificationInfo.isActive = false; 1989 } 1990 1991 if (shouldInstall) { 1992 SyncOperation syncOperation = mActiveSyncContext.mSyncOperation; 1993 mNeedSyncActiveNotification = true; 1994 sendSyncStateIntent(); 1995 mSyncNotificationInfo.isActive = true; 1996 mSyncNotificationInfo.account = syncOperation.account; 1997 mSyncNotificationInfo.authority = syncOperation.authority; 1998 } 1999 } 2000 2001 /** 2002 * Check if there were any long-lasting errors, if so install the error notification, 2003 * otherwise cancel the error notification. 2004 */ 2005 private void manageErrorNotification() { 2006 // 2007 long when = mSyncStorageEngine.getInitialSyncFailureTime(); 2008 if ((when > 0) && (when + ERROR_NOTIFICATION_DELAY_MS < System.currentTimeMillis())) { 2009 if (!mErrorNotificationInstalled) { 2010 mNeedSyncErrorNotification = true; 2011 sendSyncStateIntent(); 2012 } 2013 mErrorNotificationInstalled = true; 2014 } else { 2015 if (mErrorNotificationInstalled) { 2016 mNeedSyncErrorNotification = false; 2017 sendSyncStateIntent(); 2018 } 2019 mErrorNotificationInstalled = false; 2020 } 2021 } 2022 2023 private void manageSyncAlarm() { 2024 // in each of these cases the sync loop will be kicked, which will cause this 2025 // method to be called again 2026 if (!mDataConnectionIsConnected) return; 2027 if (mAccounts == null) return; 2028 if (mStorageIsLow) return; 2029 2030 // Compute the alarm fire time: 2031 // - not syncing: time of the next sync operation 2032 // - syncing, no notification: time from sync start to notification create time 2033 // - syncing, with notification: time till timeout of the active sync operation 2034 Long alarmTime = null; 2035 ActiveSyncContext activeSyncContext = mActiveSyncContext; 2036 if (activeSyncContext == null) { 2037 SyncOperation syncOperation; 2038 synchronized (mSyncQueue) { 2039 syncOperation = mSyncQueue.head(); 2040 } 2041 if (syncOperation != null) { 2042 alarmTime = syncOperation.earliestRunTime; 2043 } 2044 } else { 2045 final long notificationTime = 2046 mSyncHandler.mSyncNotificationInfo.startTime + SYNC_NOTIFICATION_DELAY; 2047 final long timeoutTime = 2048 mActiveSyncContext.mTimeoutStartTime + MAX_TIME_PER_SYNC; 2049 if (mSyncHandler.mSyncNotificationInfo.isActive) { 2050 alarmTime = timeoutTime; 2051 } else { 2052 alarmTime = Math.min(notificationTime, timeoutTime); 2053 } 2054 } 2055 2056 // adjust the alarmTime so that we will wake up when it is time to 2057 // install the error notification 2058 if (!mErrorNotificationInstalled) { 2059 long when = mSyncStorageEngine.getInitialSyncFailureTime(); 2060 if (when > 0) { 2061 when += ERROR_NOTIFICATION_DELAY_MS; 2062 // convert when fron absolute time to elapsed run time 2063 long delay = when - System.currentTimeMillis(); 2064 when = SystemClock.elapsedRealtime() + delay; 2065 alarmTime = alarmTime != null ? Math.min(alarmTime, when) : when; 2066 } 2067 } 2068 2069 // determine if we need to set or cancel the alarm 2070 boolean shouldSet = false; 2071 boolean shouldCancel = false; 2072 final boolean alarmIsActive = mAlarmScheduleTime != null; 2073 final boolean needAlarm = alarmTime != null; 2074 if (needAlarm) { 2075 if (!alarmIsActive || alarmTime < mAlarmScheduleTime) { 2076 shouldSet = true; 2077 } 2078 } else { 2079 shouldCancel = alarmIsActive; 2080 } 2081 2082 // set or cancel the alarm as directed 2083 ensureAlarmService(); 2084 if (shouldSet) { 2085 mAlarmScheduleTime = alarmTime; 2086 mAlarmService.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, alarmTime, 2087 mSyncAlarmIntent); 2088 } else if (shouldCancel) { 2089 mAlarmScheduleTime = null; 2090 mAlarmService.cancel(mSyncAlarmIntent); 2091 } 2092 } 2093 2094 private void sendSyncStateIntent() { 2095 Intent syncStateIntent = new Intent(Intent.ACTION_SYNC_STATE_CHANGED); 2096 syncStateIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 2097 syncStateIntent.putExtra("active", mNeedSyncActiveNotification); 2098 syncStateIntent.putExtra("failing", mNeedSyncErrorNotification); 2099 mContext.sendBroadcast(syncStateIntent); 2100 } 2101 2102 private void installHandleTooManyDeletesNotification(Account account, String authority, 2103 long numDeletes) { 2104 if (mNotificationMgr == null) return; 2105 2106 final ProviderInfo providerInfo = mContext.getPackageManager().resolveContentProvider( 2107 authority, 0 /* flags */); 2108 if (providerInfo == null) { 2109 return; 2110 } 2111 CharSequence authorityName = providerInfo.loadLabel(mContext.getPackageManager()); 2112 2113 Intent clickIntent = new Intent(); 2114 clickIntent.setClassName("com.android.providers.subscribedfeeds", 2115 "com.android.settings.SyncActivityTooManyDeletes"); 2116 clickIntent.putExtra("account", account); 2117 clickIntent.putExtra("authority", authority); 2118 clickIntent.putExtra("provider", authorityName.toString()); 2119 clickIntent.putExtra("numDeletes", numDeletes); 2120 2121 if (!isActivityAvailable(clickIntent)) { 2122 Log.w(TAG, "No activity found to handle too many deletes."); 2123 return; 2124 } 2125 2126 final PendingIntent pendingIntent = PendingIntent 2127 .getActivity(mContext, 0, clickIntent, PendingIntent.FLAG_CANCEL_CURRENT); 2128 2129 CharSequence tooManyDeletesDescFormat = mContext.getResources().getText( 2130 R.string.contentServiceTooManyDeletesNotificationDesc); 2131 2132 Notification notification = 2133 new Notification(R.drawable.stat_notify_sync_error, 2134 mContext.getString(R.string.contentServiceSync), 2135 System.currentTimeMillis()); 2136 notification.setLatestEventInfo(mContext, 2137 mContext.getString(R.string.contentServiceSyncNotificationTitle), 2138 String.format(tooManyDeletesDescFormat.toString(), authorityName), 2139 pendingIntent); 2140 notification.flags |= Notification.FLAG_ONGOING_EVENT; 2141 mNotificationMgr.notify(account.hashCode() ^ authority.hashCode(), notification); 2142 } 2143 2144 /** 2145 * Checks whether an activity exists on the system image for the given intent. 2146 * 2147 * @param intent The intent for an activity. 2148 * @return Whether or not an activity exists. 2149 */ 2150 private boolean isActivityAvailable(Intent intent) { 2151 PackageManager pm = mContext.getPackageManager(); 2152 List<ResolveInfo> list = pm.queryIntentActivities(intent, 0); 2153 int listSize = list.size(); 2154 for (int i = 0; i < listSize; i++) { 2155 ResolveInfo resolveInfo = list.get(i); 2156 if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) 2157 != 0) { 2158 return true; 2159 } 2160 } 2161 2162 return false; 2163 } 2164 2165 public long insertStartSyncEvent(SyncOperation syncOperation) { 2166 final int source = syncOperation.syncSource; 2167 final long now = System.currentTimeMillis(); 2168 2169 EventLog.writeEvent(2720, syncOperation.authority, 2170 SyncStorageEngine.EVENT_START, source, 2171 syncOperation.account.name.hashCode()); 2172 2173 return mSyncStorageEngine.insertStartSyncEvent( 2174 syncOperation.account, syncOperation.authority, now, source); 2175 } 2176 2177 public void stopSyncEvent(long rowId, SyncOperation syncOperation, String resultMessage, 2178 int upstreamActivity, int downstreamActivity, long elapsedTime) { 2179 EventLog.writeEvent(2720, syncOperation.authority, 2180 SyncStorageEngine.EVENT_STOP, syncOperation.syncSource, 2181 syncOperation.account.name.hashCode()); 2182 2183 mSyncStorageEngine.stopSyncEvent(rowId, elapsedTime, resultMessage, 2184 downstreamActivity, upstreamActivity); 2185 } 2186 } 2187 2188 static class SyncQueue { 2189 private SyncStorageEngine mSyncStorageEngine; 2190 2191 private static final boolean DEBUG_CHECK_DATA_CONSISTENCY = false; 2192 2193 // A priority queue of scheduled SyncOperations that is designed to make it quick 2194 // to find the next SyncOperation that should be considered for running. 2195 private final PriorityQueue<SyncOperation> mOpsByWhen = new PriorityQueue<SyncOperation>(); 2196 2197 // A Map of SyncOperations operationKey -> SyncOperation that is designed for 2198 // quick lookup of an enqueued SyncOperation. 2199 private final HashMap<String, SyncOperation> mOpsByKey = Maps.newHashMap(); 2200 2201 public SyncQueue(SyncStorageEngine syncStorageEngine) { 2202 mSyncStorageEngine = syncStorageEngine; 2203 ArrayList<SyncStorageEngine.PendingOperation> ops 2204 = mSyncStorageEngine.getPendingOperations(); 2205 final int N = ops.size(); 2206 for (int i=0; i<N; i++) { 2207 SyncStorageEngine.PendingOperation op = ops.get(i); 2208 SyncOperation syncOperation = new SyncOperation( 2209 op.account, op.syncSource, op.authority, op.extras, 0); 2210 syncOperation.pendingOperation = op; 2211 add(syncOperation, op); 2212 } 2213 2214 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2215 } 2216 2217 public boolean add(SyncOperation operation) { 2218 return add(new SyncOperation(operation), 2219 null /* this is not coming from the database */); 2220 } 2221 2222 private boolean add(SyncOperation operation, 2223 SyncStorageEngine.PendingOperation pop) { 2224 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(pop == null); 2225 2226 // If this operation is expedited then set its earliestRunTime to be immediately 2227 // before the head of the list, or not if none are in the list. 2228 if (operation.delay < 0) { 2229 SyncOperation headOperation = head(); 2230 if (headOperation != null) { 2231 operation.earliestRunTime = Math.min(SystemClock.elapsedRealtime(), 2232 headOperation.earliestRunTime - 1); 2233 } else { 2234 operation.earliestRunTime = SystemClock.elapsedRealtime(); 2235 } 2236 } 2237 2238 // - if an operation with the same key exists and this one should run earlier, 2239 // delete the old one and add the new one 2240 // - if an operation with the same key exists and if this one should run 2241 // later, ignore it 2242 // - if no operation exists then add the new one 2243 final String operationKey = operation.key; 2244 SyncOperation existingOperation = mOpsByKey.get(operationKey); 2245 2246 // if this operation matches an existing operation that is being retried (delay > 0) 2247 // and this isn't a manual sync operation, ignore this operation 2248 if (existingOperation != null && existingOperation.delay > 0) { 2249 if (!operation.extras.getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false)) { 2250 return false; 2251 } 2252 } 2253 2254 if (existingOperation != null 2255 && operation.earliestRunTime >= existingOperation.earliestRunTime) { 2256 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(pop == null); 2257 return false; 2258 } 2259 2260 if (existingOperation != null) { 2261 removeByKey(operationKey); 2262 } 2263 2264 operation.pendingOperation = pop; 2265 if (operation.pendingOperation == null) { 2266 pop = new SyncStorageEngine.PendingOperation( 2267 operation.account, operation.syncSource, 2268 operation.authority, operation.extras); 2269 pop = mSyncStorageEngine.insertIntoPending(pop); 2270 if (pop == null) { 2271 throw new IllegalStateException("error adding pending sync operation " 2272 + operation); 2273 } 2274 operation.pendingOperation = pop; 2275 } 2276 2277 if (DEBUG_CHECK_DATA_CONSISTENCY) { 2278 debugCheckDataStructures( 2279 false /* don't compare with the DB, since we know 2280 it is inconsistent right now */ ); 2281 } 2282 mOpsByKey.put(operationKey, operation); 2283 mOpsByWhen.add(operation); 2284 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(pop == null); 2285 return true; 2286 } 2287 2288 public void removeByKey(String operationKey) { 2289 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2290 SyncOperation operationToRemove = mOpsByKey.remove(operationKey); 2291 if (!mOpsByWhen.remove(operationToRemove)) { 2292 throw new IllegalStateException( 2293 "unable to find " + operationToRemove + " in mOpsByWhen"); 2294 } 2295 2296 if (!mSyncStorageEngine.deleteFromPending(operationToRemove.pendingOperation)) { 2297 throw new IllegalStateException("unable to find pending row for " 2298 + operationToRemove); 2299 } 2300 2301 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2302 } 2303 2304 public SyncOperation head() { 2305 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2306 return mOpsByWhen.peek(); 2307 } 2308 2309 public void popHead() { 2310 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2311 SyncOperation operation = mOpsByWhen.remove(); 2312 if (mOpsByKey.remove(operation.key) == null) { 2313 throw new IllegalStateException("unable to find " + operation + " in mOpsByKey"); 2314 } 2315 2316 if (!mSyncStorageEngine.deleteFromPending(operation.pendingOperation)) { 2317 throw new IllegalStateException("unable to find pending row for " + operation); 2318 } 2319 2320 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2321 } 2322 2323 public void clear(Account account, String authority) { 2324 Iterator<Map.Entry<String, SyncOperation>> entries = mOpsByKey.entrySet().iterator(); 2325 while (entries.hasNext()) { 2326 Map.Entry<String, SyncOperation> entry = entries.next(); 2327 SyncOperation syncOperation = entry.getValue(); 2328 if (account != null && !syncOperation.account.equals(account)) continue; 2329 if (authority != null && !syncOperation.authority.equals(authority)) continue; 2330 2331 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2332 entries.remove(); 2333 if (!mOpsByWhen.remove(syncOperation)) { 2334 throw new IllegalStateException( 2335 "unable to find " + syncOperation + " in mOpsByWhen"); 2336 } 2337 2338 if (!mSyncStorageEngine.deleteFromPending(syncOperation.pendingOperation)) { 2339 throw new IllegalStateException("unable to find pending row for " 2340 + syncOperation); 2341 } 2342 2343 if (DEBUG_CHECK_DATA_CONSISTENCY) debugCheckDataStructures(true /* check the DB */); 2344 } 2345 } 2346 2347 public void dump(StringBuilder sb) { 2348 sb.append("SyncQueue: ").append(mOpsByWhen.size()).append(" operation(s)\n"); 2349 for (SyncOperation operation : mOpsByWhen) { 2350 sb.append(operation).append("\n"); 2351 } 2352 } 2353 2354 private void debugCheckDataStructures(boolean checkDatabase) { 2355 if (mOpsByKey.size() != mOpsByWhen.size()) { 2356 throw new IllegalStateException("size mismatch: " 2357 + mOpsByKey .size() + " != " + mOpsByWhen.size()); 2358 } 2359 for (SyncOperation operation : mOpsByWhen) { 2360 if (!mOpsByKey.containsKey(operation.key)) { 2361 throw new IllegalStateException( 2362 "operation " + operation + " is in mOpsByWhen but not mOpsByKey"); 2363 } 2364 } 2365 for (Map.Entry<String, SyncOperation> entry : mOpsByKey.entrySet()) { 2366 final SyncOperation operation = entry.getValue(); 2367 final String key = entry.getKey(); 2368 if (!key.equals(operation.key)) { 2369 throw new IllegalStateException( 2370 "operation " + operation + " in mOpsByKey doesn't match key " + key); 2371 } 2372 if (!mOpsByWhen.contains(operation)) { 2373 throw new IllegalStateException( 2374 "operation " + operation + " is in mOpsByKey but not mOpsByWhen"); 2375 } 2376 } 2377 2378 if (checkDatabase) { 2379 final int N = mSyncStorageEngine.getPendingOperationCount(); 2380 if (mOpsByKey.size() != N) { 2381 ArrayList<SyncStorageEngine.PendingOperation> ops 2382 = mSyncStorageEngine.getPendingOperations(); 2383 StringBuilder sb = new StringBuilder(); 2384 for (int i=0; i<N; i++) { 2385 SyncStorageEngine.PendingOperation op = ops.get(i); 2386 sb.append("#"); 2387 sb.append(i); 2388 sb.append(": account="); 2389 sb.append(op.account); 2390 sb.append(" syncSource="); 2391 sb.append(op.syncSource); 2392 sb.append(" authority="); 2393 sb.append(op.authority); 2394 sb.append("\n"); 2395 } 2396 dump(sb); 2397 throw new IllegalStateException("DB size mismatch: " 2398 + mOpsByKey.size() + " != " + N + "\n" 2399 + sb.toString()); 2400 } 2401 } 2402 } 2403 } 2404} 2405