| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.content; |
| |
| import com.android.internal.R; |
| import com.android.internal.util.ArrayUtils; |
| |
| import android.accounts.Account; |
| import android.accounts.AccountManager; |
| import android.accounts.OnAccountsUpdateListener; |
| import android.app.AlarmManager; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.RegisteredServicesCache; |
| import android.content.pm.ProviderInfo; |
| import android.content.pm.RegisteredServicesCacheListener; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkInfo; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.provider.Settings; |
| import android.text.format.DateUtils; |
| import android.text.format.Time; |
| import android.util.EventLog; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.Collection; |
| import java.util.concurrent.CountDownLatch; |
| |
| /** |
| * @hide |
| */ |
| public class SyncManager implements OnAccountsUpdateListener { |
| private static final String TAG = "SyncManager"; |
| |
| /** Delay a sync due to local changes this long. In milliseconds */ |
| private static final long LOCAL_SYNC_DELAY; |
| |
| /** |
| * If a sync takes longer than this and the sync queue is not empty then we will |
| * cancel it and add it back to the end of the sync queue. In milliseconds. |
| */ |
| private static final long MAX_TIME_PER_SYNC; |
| |
| static { |
| String localSyncDelayString = SystemProperties.get("sync.local_sync_delay"); |
| long localSyncDelay = 30 * 1000; // 30 seconds |
| if (localSyncDelayString != null) { |
| try { |
| localSyncDelay = Long.parseLong(localSyncDelayString); |
| } catch (NumberFormatException nfe) { |
| // ignore, use default |
| } |
| } |
| LOCAL_SYNC_DELAY = localSyncDelay; |
| |
| String maxTimePerSyncString = SystemProperties.get("sync.max_time_per_sync"); |
| long maxTimePerSync = 5 * 60 * 1000; // 5 minutes |
| if (maxTimePerSyncString != null) { |
| try { |
| maxTimePerSync = Long.parseLong(maxTimePerSyncString); |
| } catch (NumberFormatException nfe) { |
| // ignore, use default |
| } |
| } |
| MAX_TIME_PER_SYNC = maxTimePerSync; |
| } |
| |
| private static final long SYNC_NOTIFICATION_DELAY = 30 * 1000; // 30 seconds |
| |
| /** |
| * When retrying a sync for the first time use this delay. After that |
| * the retry time will double until it reached MAX_SYNC_RETRY_TIME. |
| * In milliseconds. |
| */ |
| private static final long INITIAL_SYNC_RETRY_TIME_IN_MS = 30 * 1000; // 30 seconds |
| |
| /** |
| * Default the max sync retry time to this value. |
| */ |
| private static final long DEFAULT_MAX_SYNC_RETRY_TIME_IN_SECONDS = 60 * 60; // one hour |
| |
| /** |
| * An error notification is sent if sync of any of the providers has been failing for this long. |
| */ |
| private static final long ERROR_NOTIFICATION_DELAY_MS = 1000 * 60 * 10; // 10 minutes |
| |
| private static final String SYNC_WAKE_LOCK = "SyncManagerSyncWakeLock"; |
| private static final String HANDLE_SYNC_ALARM_WAKE_LOCK = "SyncManagerHandleSyncAlarmWakeLock"; |
| |
| private Context mContext; |
| |
| private volatile Account[] mAccounts = INITIAL_ACCOUNTS_ARRAY; |
| |
| volatile private PowerManager.WakeLock mSyncWakeLock; |
| volatile private PowerManager.WakeLock mHandleAlarmWakeLock; |
| volatile private boolean mDataConnectionIsConnected = false; |
| volatile private boolean mStorageIsLow = false; |
| |
| private final NotificationManager mNotificationMgr; |
| private AlarmManager mAlarmService = null; |
| |
| private final SyncStorageEngine mSyncStorageEngine; |
| public final SyncQueue mSyncQueue; |
| |
| private ActiveSyncContext mActiveSyncContext = null; |
| |
| // set if the sync error indicator should be reported. |
| private boolean mNeedSyncErrorNotification = false; |
| // set if the sync active indicator should be reported |
| private boolean mNeedSyncActiveNotification = false; |
| |
| private final PendingIntent mSyncAlarmIntent; |
| // Synchronized on "this". Instead of using this directly one should instead call |
| // its accessor, getConnManager(). |
| private ConnectivityManager mConnManagerDoNotUseDirectly; |
| |
| private final SyncAdaptersCache mSyncAdapters; |
| |
| private BroadcastReceiver mStorageIntentReceiver = |
| new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (Intent.ACTION_DEVICE_STORAGE_LOW.equals(action)) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Internal storage is low."); |
| } |
| mStorageIsLow = true; |
| cancelActiveSync(null /* any account */, null /* any authority */); |
| } else if (Intent.ACTION_DEVICE_STORAGE_OK.equals(action)) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "Internal storage is ok."); |
| } |
| mStorageIsLow = false; |
| sendCheckAlarmsMessage(); |
| } |
| } |
| }; |
| |
| private BroadcastReceiver mBootCompletedReceiver = new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| mSyncHandler.onBootCompleted(); |
| } |
| }; |
| |
| private BroadcastReceiver mBackgroundDataSettingChanged = new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| if (getConnectivityManager().getBackgroundDataSetting()) { |
| scheduleSync(null /* account */, null /* authority */, new Bundle(), 0 /* delay */, |
| false /* onlyThoseWithUnknownSyncableState */); |
| } |
| } |
| }; |
| |
| private static final Account[] INITIAL_ACCOUNTS_ARRAY = new Account[0]; |
| |
| public void onAccountsUpdated(Account[] accounts) { |
| // remember if this was the first time this was called after an update |
| final boolean justBootedUp = mAccounts == INITIAL_ACCOUNTS_ARRAY; |
| mAccounts = accounts; |
| |
| // if a sync is in progress yet it is no longer in the accounts list, |
| // cancel it |
| ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| if (activeSyncContext != null) { |
| if (!ArrayUtils.contains(accounts, activeSyncContext.mSyncOperation.account)) { |
| Log.d(TAG, "canceling sync since the account has been removed"); |
| sendSyncFinishedOrCanceledMessage(activeSyncContext, |
| null /* no result since this is a cancel */); |
| } |
| } |
| |
| // we must do this since we don't bother scheduling alarms when |
| // the accounts are not set yet |
| sendCheckAlarmsMessage(); |
| |
| mSyncStorageEngine.doDatabaseCleanup(accounts); |
| |
| if (accounts.length > 0) { |
| // If this is the first time this was called after a bootup then |
| // the accounts haven't really changed, instead they were just loaded |
| // from the AccountManager. Otherwise at least one of the accounts |
| // has a change. |
| // |
| // If there was a real account change then force a sync of all accounts. |
| // This is a bit of overkill, but at least it will end up retrying syncs |
| // that failed due to an authentication failure and thus will recover if the |
| // account change was a password update. |
| // |
| // If this was the bootup case then don't sync everything, instead only |
| // sync those that have an unknown syncable state, which will give them |
| // a chance to set their syncable state. |
| boolean onlyThoseWithUnkownSyncableState = justBootedUp; |
| scheduleSync(null, null, null, 0 /* no delay */, onlyThoseWithUnkownSyncableState); |
| } |
| } |
| |
| private BroadcastReceiver mConnectivityIntentReceiver = |
| new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| NetworkInfo networkInfo = |
| intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO); |
| NetworkInfo.State state = (networkInfo == null ? NetworkInfo.State.UNKNOWN : |
| networkInfo.getState()); |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "received connectivity action. network info: " + networkInfo); |
| } |
| |
| // only pay attention to the CONNECTED and DISCONNECTED states. |
| // if connected, we are connected. |
| // if disconnected, we may not be connected. in some cases, we may be connected on |
| // a different network. |
| // e.g., if switching from GPRS to WiFi, we may receive the CONNECTED to WiFi and |
| // DISCONNECTED for GPRS in any order. if we receive the CONNECTED first, and then |
| // a DISCONNECTED, we want to make sure we set mDataConnectionIsConnected to true |
| // since we still have a WiFi connection. |
| switch (state) { |
| case CONNECTED: |
| mDataConnectionIsConnected = true; |
| break; |
| case DISCONNECTED: |
| if (intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false)) { |
| mDataConnectionIsConnected = false; |
| } else { |
| mDataConnectionIsConnected = true; |
| } |
| break; |
| default: |
| // ignore the rest of the states -- leave our boolean alone. |
| } |
| if (mDataConnectionIsConnected) { |
| sendCheckAlarmsMessage(); |
| } |
| } |
| }; |
| |
| private BroadcastReceiver mShutdownIntentReceiver = |
| new BroadcastReceiver() { |
| public void onReceive(Context context, Intent intent) { |
| Log.w(TAG, "Writing sync state before shutdown..."); |
| getSyncStorageEngine().writeAllState(); |
| } |
| }; |
| |
| private static final String ACTION_SYNC_ALARM = "android.content.syncmanager.SYNC_ALARM"; |
| private final SyncHandler mSyncHandler; |
| |
| private volatile boolean mBootCompleted = false; |
| |
| private ConnectivityManager getConnectivityManager() { |
| synchronized (this) { |
| if (mConnManagerDoNotUseDirectly == null) { |
| mConnManagerDoNotUseDirectly = (ConnectivityManager)mContext.getSystemService( |
| Context.CONNECTIVITY_SERVICE); |
| } |
| return mConnManagerDoNotUseDirectly; |
| } |
| } |
| |
| public SyncManager(Context context, boolean factoryTest) { |
| // Initialize the SyncStorageEngine first, before registering observers |
| // and creating threads and so on; it may fail if the disk is full. |
| SyncStorageEngine.init(context); |
| mSyncStorageEngine = SyncStorageEngine.getSingleton(); |
| mSyncQueue = new SyncQueue(mSyncStorageEngine); |
| |
| mContext = context; |
| |
| HandlerThread syncThread = new HandlerThread("SyncHandlerThread", |
| Process.THREAD_PRIORITY_BACKGROUND); |
| syncThread.start(); |
| mSyncHandler = new SyncHandler(syncThread.getLooper()); |
| |
| mSyncAdapters = new SyncAdaptersCache(mContext); |
| mSyncAdapters.setListener(new RegisteredServicesCacheListener<SyncAdapterType>() { |
| public void onServiceChanged(SyncAdapterType type, boolean removed) { |
| if (!removed) { |
| scheduleSync(null, type.authority, null, 0 /* no delay */, |
| false /* onlyThoseWithUnkownSyncableState */); |
| } |
| } |
| }, mSyncHandler); |
| |
| mSyncAlarmIntent = PendingIntent.getBroadcast( |
| mContext, 0 /* ignored */, new Intent(ACTION_SYNC_ALARM), 0); |
| |
| IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION); |
| context.registerReceiver(mConnectivityIntentReceiver, intentFilter); |
| |
| if (!factoryTest) { |
| intentFilter = new IntentFilter(Intent.ACTION_BOOT_COMPLETED); |
| context.registerReceiver(mBootCompletedReceiver, intentFilter); |
| } |
| |
| intentFilter = new IntentFilter(ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED); |
| context.registerReceiver(mBackgroundDataSettingChanged, intentFilter); |
| |
| intentFilter = new IntentFilter(Intent.ACTION_DEVICE_STORAGE_LOW); |
| intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK); |
| context.registerReceiver(mStorageIntentReceiver, intentFilter); |
| |
| intentFilter = new IntentFilter(Intent.ACTION_SHUTDOWN); |
| intentFilter.setPriority(100); |
| context.registerReceiver(mShutdownIntentReceiver, intentFilter); |
| |
| if (!factoryTest) { |
| mNotificationMgr = (NotificationManager) |
| context.getSystemService(Context.NOTIFICATION_SERVICE); |
| context.registerReceiver(new SyncAlarmIntentReceiver(), |
| new IntentFilter(ACTION_SYNC_ALARM)); |
| } else { |
| mNotificationMgr = null; |
| } |
| PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); |
| mSyncWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, SYNC_WAKE_LOCK); |
| mSyncWakeLock.setReferenceCounted(false); |
| |
| // This WakeLock is used to ensure that we stay awake between the time that we receive |
| // a sync alarm notification and when we finish processing it. We need to do this |
| // because we don't do the work in the alarm handler, rather we do it in a message |
| // handler. |
| mHandleAlarmWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, |
| HANDLE_SYNC_ALARM_WAKE_LOCK); |
| mHandleAlarmWakeLock.setReferenceCounted(false); |
| |
| mSyncStorageEngine.addStatusChangeListener( |
| ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS, new ISyncStatusObserver.Stub() { |
| public void onStatusChanged(int which) { |
| // force the sync loop to run if the settings change |
| sendCheckAlarmsMessage(); |
| } |
| }); |
| |
| if (!factoryTest) { |
| AccountManager.get(mContext).addOnAccountsUpdatedListener(SyncManager.this, |
| mSyncHandler, false /* updateImmediately */); |
| // do this synchronously to ensure we have the accounts before this call returns |
| onAccountsUpdated(AccountManager.get(mContext).getAccounts()); |
| } |
| } |
| |
| /** |
| * Return a random value v that satisfies minValue <= v < maxValue. The difference between |
| * maxValue and minValue must be less than Integer.MAX_VALUE. |
| */ |
| private long jitterize(long minValue, long maxValue) { |
| Random random = new Random(SystemClock.elapsedRealtime()); |
| long spread = maxValue - minValue; |
| if (spread > Integer.MAX_VALUE) { |
| throw new IllegalArgumentException("the difference between the maxValue and the " |
| + "minValue must be less than " + Integer.MAX_VALUE); |
| } |
| return minValue + random.nextInt((int)spread); |
| } |
| |
| public ActiveSyncContext getActiveSyncContext() { |
| return mActiveSyncContext; |
| } |
| |
| public SyncStorageEngine getSyncStorageEngine() { |
| return mSyncStorageEngine; |
| } |
| |
| private void ensureAlarmService() { |
| if (mAlarmService == null) { |
| mAlarmService = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE); |
| } |
| } |
| |
| public Account getSyncingAccount() { |
| ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| return (activeSyncContext != null) ? activeSyncContext.mSyncOperation.account : null; |
| } |
| |
| private void initializeSyncAdapter(Account account, String authority) { |
| SyncAdapterType syncAdapterType = SyncAdapterType.newKey(authority, account.type); |
| RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo = |
| mSyncAdapters.getServiceInfo(syncAdapterType); |
| if (syncAdapterInfo == null) { |
| Log.w(TAG, "can't find a sync adapter for " + syncAdapterType); |
| return; |
| } |
| |
| Intent intent = new Intent(); |
| intent.setAction("android.content.SyncAdapter"); |
| intent.setComponent(syncAdapterInfo.componentName); |
| mContext.bindService(intent, new InitializerServiceConnection(account, authority), |
| Context.BIND_AUTO_CREATE | Context.BIND_NOT_FOREGROUND); |
| } |
| |
| private class InitializerServiceConnection implements ServiceConnection { |
| private final Account mAccount; |
| private final String mAuthority; |
| |
| public InitializerServiceConnection(Account account, String authority) { |
| mAccount = account; |
| mAuthority = authority; |
| } |
| |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| try { |
| ISyncAdapter.Stub.asInterface(service).initialize(mAccount, mAuthority); |
| } catch (RemoteException e) { |
| // doesn't matter, we will retry again later |
| } finally { |
| mContext.unbindService(this); |
| } |
| } |
| |
| public void onServiceDisconnected(ComponentName name) { |
| mContext.unbindService(this); |
| } |
| } |
| |
| /** |
| * Initiate a sync. This can start a sync for all providers |
| * (pass null to url, set onlyTicklable to false), only those |
| * providers that are marked as ticklable (pass null to url, |
| * set onlyTicklable to true), or a specific provider (set url |
| * to the content url of the provider). |
| * |
| * <p>If the ContentResolver.SYNC_EXTRAS_UPLOAD boolean in extras is |
| * true then initiate a sync that just checks for local changes to send |
| * to the server, otherwise initiate a sync that first gets any |
| * changes from the server before sending local changes back to |
| * the server. |
| * |
| * <p>If a specific provider is being synced (the url is non-null) |
| * then the extras can contain SyncAdapter-specific information |
| * to control what gets synced (e.g. which specific feed to sync). |
| * |
| * <p>You'll start getting callbacks after this. |
| * |
| * @param requestedAccount the account to sync, may be null to signify all accounts |
| * @param requestedAuthority the authority to sync, may be null to indicate all authorities |
| * @param extras a Map of SyncAdapter-specific information to control |
| * syncs of a specific provider. Can be null. Is ignored |
| * if the url is null. |
| * @param delay how many milliseconds in the future to wait before performing this |
| * @param onlyThoseWithUnkownSyncableState |
| */ |
| public void scheduleSync(Account requestedAccount, String requestedAuthority, |
| Bundle extras, long delay, boolean onlyThoseWithUnkownSyncableState) { |
| boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); |
| |
| final boolean backgroundDataUsageAllowed = !mBootCompleted || |
| getConnectivityManager().getBackgroundDataSetting(); |
| |
| if (extras == null) extras = new Bundle(); |
| |
| Boolean expedited = extras.getBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, false); |
| if (expedited) { |
| delay = -1; // this means schedule at the front of the queue |
| } |
| |
| Account[] accounts; |
| if (requestedAccount != null) { |
| accounts = new Account[]{requestedAccount}; |
| } else { |
| // if the accounts aren't configured yet then we can't support an account-less |
| // sync request |
| accounts = mAccounts; |
| if (accounts.length == 0) { |
| if (isLoggable) { |
| Log.v(TAG, "scheduleSync: no accounts configured, dropping"); |
| } |
| return; |
| } |
| } |
| |
| final boolean uploadOnly = extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, false); |
| final boolean manualSync = extras.getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false); |
| if (manualSync) { |
| extras.putBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_BACKOFF, true); |
| extras.putBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_SETTINGS, true); |
| } |
| final boolean ignoreSettings = |
| extras.getBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_SETTINGS, false); |
| |
| int source; |
| if (uploadOnly) { |
| source = SyncStorageEngine.SOURCE_LOCAL; |
| } else if (manualSync) { |
| source = SyncStorageEngine.SOURCE_USER; |
| } else if (requestedAuthority == null) { |
| source = SyncStorageEngine.SOURCE_POLL; |
| } else { |
| // this isn't strictly server, since arbitrary callers can (and do) request |
| // a non-forced two-way sync on a specific url |
| source = SyncStorageEngine.SOURCE_SERVER; |
| } |
| |
| // Compile a list of authorities that have sync adapters. |
| // For each authority sync each account that matches a sync adapter. |
| final HashSet<String> syncableAuthorities = new HashSet<String>(); |
| for (RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapter : |
| mSyncAdapters.getAllServices()) { |
| syncableAuthorities.add(syncAdapter.type.authority); |
| } |
| |
| // if the url was specified then replace the list of authorities with just this authority |
| // or clear it if this authority isn't syncable |
| if (requestedAuthority != null) { |
| final boolean hasSyncAdapter = syncableAuthorities.contains(requestedAuthority); |
| syncableAuthorities.clear(); |
| if (hasSyncAdapter) syncableAuthorities.add(requestedAuthority); |
| } |
| |
| final boolean masterSyncAutomatically = mSyncStorageEngine.getMasterSyncAutomatically(); |
| |
| for (String authority : syncableAuthorities) { |
| for (Account account : accounts) { |
| int isSyncable = mSyncStorageEngine.getIsSyncable(account, authority); |
| if (isSyncable == 0) { |
| continue; |
| } |
| if (onlyThoseWithUnkownSyncableState && isSyncable >= 0) { |
| continue; |
| } |
| final RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo = |
| mSyncAdapters.getServiceInfo( |
| SyncAdapterType.newKey(authority, account.type)); |
| if (syncAdapterInfo != null) { |
| if (!syncAdapterInfo.type.supportsUploading() && uploadOnly) { |
| continue; |
| } |
| |
| // initialize the SyncAdapter if the isSyncable state is unknown |
| if (isSyncable < 0) { |
| initializeSyncAdapter(account, authority); |
| continue; |
| } |
| |
| final boolean syncAutomatically = masterSyncAutomatically |
| && mSyncStorageEngine.getSyncAutomatically(account, authority); |
| boolean syncAllowed = |
| ignoreSettings || (backgroundDataUsageAllowed && syncAutomatically); |
| if (!syncAllowed) { |
| if (isLoggable) { |
| Log.d(TAG, "scheduleSync: sync of " + account + ", " + authority |
| + " is not allowed, dropping request"); |
| } |
| continue; |
| } |
| |
| if (isLoggable) { |
| Log.v(TAG, "scheduleSync:" |
| + " delay " + delay |
| + ", source " + source |
| + ", account " + account |
| + ", authority " + authority |
| + ", extras " + extras); |
| } |
| scheduleSyncOperation( |
| new SyncOperation(account, source, authority, extras, delay)); |
| } |
| } |
| } |
| } |
| |
| public void scheduleLocalSync(Account account, String authority) { |
| final Bundle extras = new Bundle(); |
| extras.putBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, true); |
| scheduleSync(account, authority, extras, LOCAL_SYNC_DELAY, |
| false /* onlyThoseWithUnkownSyncableState */); |
| } |
| |
| public SyncAdapterType[] getSyncAdapterTypes() { |
| final Collection<RegisteredServicesCache.ServiceInfo<SyncAdapterType>> serviceInfos = |
| mSyncAdapters.getAllServices(); |
| SyncAdapterType[] types = new SyncAdapterType[serviceInfos.size()]; |
| int i = 0; |
| for (RegisteredServicesCache.ServiceInfo<SyncAdapterType> serviceInfo : serviceInfos) { |
| types[i] = serviceInfo.type; |
| ++i; |
| } |
| return types; |
| } |
| |
| private void sendSyncAlarmMessage() { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "sending MESSAGE_SYNC_ALARM"); |
| mSyncHandler.sendEmptyMessage(SyncHandler.MESSAGE_SYNC_ALARM); |
| } |
| |
| private void sendCheckAlarmsMessage() { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "sending MESSAGE_CHECK_ALARMS"); |
| mSyncHandler.sendEmptyMessage(SyncHandler.MESSAGE_CHECK_ALARMS); |
| } |
| |
| private void sendSyncFinishedOrCanceledMessage(ActiveSyncContext syncContext, |
| SyncResult syncResult) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) Log.v(TAG, "sending MESSAGE_SYNC_FINISHED"); |
| Message msg = mSyncHandler.obtainMessage(); |
| msg.what = SyncHandler.MESSAGE_SYNC_FINISHED; |
| msg.obj = new SyncHandlerMessagePayload(syncContext, syncResult); |
| mSyncHandler.sendMessage(msg); |
| } |
| |
| class SyncHandlerMessagePayload { |
| public final ActiveSyncContext activeSyncContext; |
| public final SyncResult syncResult; |
| |
| SyncHandlerMessagePayload(ActiveSyncContext syncContext, SyncResult syncResult) { |
| this.activeSyncContext = syncContext; |
| this.syncResult = syncResult; |
| } |
| } |
| |
| class SyncAlarmIntentReceiver extends BroadcastReceiver { |
| public void onReceive(Context context, Intent intent) { |
| mHandleAlarmWakeLock.acquire(); |
| sendSyncAlarmMessage(); |
| } |
| } |
| |
| private void clearBackoffSetting(SyncOperation op) { |
| mSyncStorageEngine.setBackoff(op.account, op.authority, |
| SyncStorageEngine.NOT_IN_BACKOFF_MODE, SyncStorageEngine.NOT_IN_BACKOFF_MODE); |
| } |
| |
| private void increaseBackoffSetting(SyncOperation op) { |
| final long now = SystemClock.elapsedRealtime(); |
| |
| final Pair<Long, Long> previousSettings = |
| mSyncStorageEngine.getBackoff(op.account, op.authority); |
| long newDelayInMs; |
| if (previousSettings == null || previousSettings.second <= 0) { |
| // The initial delay is the jitterized INITIAL_SYNC_RETRY_TIME_IN_MS |
| newDelayInMs = jitterize(INITIAL_SYNC_RETRY_TIME_IN_MS, |
| (long)(INITIAL_SYNC_RETRY_TIME_IN_MS * 1.1)); |
| } else { |
| // Subsequent delays are the double of the previous delay |
| newDelayInMs = previousSettings.second * 2; |
| } |
| |
| // Cap the delay |
| long maxSyncRetryTimeInSeconds = Settings.Secure.getLong(mContext.getContentResolver(), |
| Settings.Secure.SYNC_MAX_RETRY_DELAY_IN_SECONDS, |
| DEFAULT_MAX_SYNC_RETRY_TIME_IN_SECONDS); |
| if (newDelayInMs > maxSyncRetryTimeInSeconds * 1000) { |
| newDelayInMs = maxSyncRetryTimeInSeconds * 1000; |
| } |
| |
| mSyncStorageEngine.setBackoff(op.account, op.authority, |
| now + newDelayInMs, newDelayInMs); |
| } |
| |
| private void setDelayUntilTime(SyncOperation op, long delayUntilSeconds) { |
| final long delayUntil = delayUntilSeconds * 1000; |
| final long absoluteNow = System.currentTimeMillis(); |
| long newDelayUntilTime; |
| if (delayUntil > absoluteNow) { |
| newDelayUntilTime = SystemClock.elapsedRealtime() + (delayUntil - absoluteNow); |
| } else { |
| newDelayUntilTime = 0; |
| } |
| mSyncStorageEngine.setDelayUntilTime(op.account, op.authority, newDelayUntilTime); |
| } |
| |
| /** |
| * Cancel the active sync if it matches the authority and account. |
| * @param account limit the cancelations to syncs with this account, if non-null |
| * @param authority limit the cancelations to syncs with this authority, if non-null |
| */ |
| public void cancelActiveSync(Account account, String authority) { |
| ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| if (activeSyncContext != null) { |
| // if an authority was specified then only cancel the sync if it matches |
| if (account != null) { |
| if (!account.equals(activeSyncContext.mSyncOperation.account)) { |
| return; |
| } |
| } |
| // if an account was specified then only cancel the sync if it matches |
| if (authority != null) { |
| if (!authority.equals(activeSyncContext.mSyncOperation.authority)) { |
| return; |
| } |
| } |
| sendSyncFinishedOrCanceledMessage(activeSyncContext, |
| null /* no result since this is a cancel */); |
| } |
| } |
| |
| /** |
| * Create and schedule a SyncOperation. |
| * |
| * @param syncOperation the SyncOperation to schedule |
| */ |
| public void scheduleSyncOperation(SyncOperation syncOperation) { |
| // If this operation is expedited and there is a sync in progress then |
| // reschedule the current operation and send a cancel for it. |
| final ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| if (syncOperation.expedited && activeSyncContext != null) { |
| final boolean hasSameKey = |
| activeSyncContext.mSyncOperation.key.equals(syncOperation.key); |
| // This request is expedited and there is a sync in progress. |
| // Interrupt the current sync only if it is not expedited and if it has a different |
| // key than the one we are scheduling. |
| if (!activeSyncContext.mSyncOperation.expedited && !hasSameKey) { |
| scheduleSyncOperation(new SyncOperation(activeSyncContext.mSyncOperation)); |
| sendSyncFinishedOrCanceledMessage(activeSyncContext, |
| null /* no result since this is a cancel */); |
| } |
| } |
| |
| boolean queueChanged; |
| synchronized (mSyncQueue) { |
| queueChanged = mSyncQueue.add(syncOperation); |
| } |
| |
| if (queueChanged) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "scheduleSyncOperation: enqueued " + syncOperation); |
| } |
| sendCheckAlarmsMessage(); |
| } else { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "scheduleSyncOperation: dropping duplicate sync operation " |
| + syncOperation); |
| } |
| } |
| } |
| |
| /** |
| * Remove scheduled sync operations. |
| * @param account limit the removals to operations with this account, if non-null |
| * @param authority limit the removals to operations with this authority, if non-null |
| */ |
| public void clearScheduledSyncOperations(Account account, String authority) { |
| mSyncStorageEngine.setBackoff(account, authority, |
| SyncStorageEngine.NOT_IN_BACKOFF_MODE, SyncStorageEngine.NOT_IN_BACKOFF_MODE); |
| synchronized (mSyncQueue) { |
| mSyncQueue.remove(account, authority); |
| } |
| } |
| |
| void maybeRescheduleSync(SyncResult syncResult, SyncOperation operation) { |
| boolean isLoggable = Log.isLoggable(TAG, Log.DEBUG); |
| if (isLoggable) { |
| Log.d(TAG, "encountered error(s) during the sync: " + syncResult + ", " + operation); |
| } |
| |
| operation = new SyncOperation(operation); |
| |
| // The SYNC_EXTRAS_IGNORE_BACKOFF only applies to the first attempt to sync a given |
| // request. Retries of the request will always honor the backoff, so clear the |
| // flag in case we retry this request. |
| if (operation.extras.getBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_BACKOFF, false)) { |
| operation.extras.remove(ContentResolver.SYNC_EXTRAS_IGNORE_BACKOFF); |
| } |
| |
| // If this sync aborted because the internal sync loop retried too many times then |
| // don't reschedule. Otherwise we risk getting into a retry loop. |
| // If the operation succeeded to some extent then retry immediately. |
| // If this was a two-way sync then retry soft errors with an exponential backoff. |
| // If this was an upward sync then schedule a two-way sync immediately. |
| // Otherwise do not reschedule. |
| if (operation.extras.getBoolean(ContentResolver.SYNC_EXTRAS_DO_NOT_RETRY, false)) { |
| Log.d(TAG, "not retrying sync operation because SYNC_EXTRAS_DO_NOT_RETRY was specified " |
| + operation); |
| } else if (operation.extras.getBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, false)) { |
| operation.extras.remove(ContentResolver.SYNC_EXTRAS_UPLOAD); |
| Log.d(TAG, "retrying sync operation as a two-way sync because an upload-only sync " |
| + "encountered an error: " + operation); |
| scheduleSyncOperation(operation); |
| } else if (syncResult.tooManyRetries) { |
| Log.d(TAG, "not retrying sync operation because it retried too many times: " |
| + operation); |
| } else if (syncResult.madeSomeProgress()) { |
| if (isLoggable) { |
| Log.d(TAG, "retrying sync operation because even though it had an error " |
| + "it achieved some success"); |
| } |
| scheduleSyncOperation(operation); |
| } else if (syncResult.hasSoftError()) { |
| if (isLoggable) { |
| Log.d(TAG, "retrying sync operation because it encountered a soft error: " |
| + operation); |
| } |
| scheduleSyncOperation(operation); |
| } else { |
| Log.d(TAG, "not retrying sync operation because the error is a hard error: " |
| + operation); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| class ActiveSyncContext extends ISyncContext.Stub implements ServiceConnection { |
| final SyncOperation mSyncOperation; |
| final long mHistoryRowId; |
| ISyncAdapter mSyncAdapter; |
| final long mStartTime; |
| long mTimeoutStartTime; |
| |
| public ActiveSyncContext(SyncOperation syncOperation, |
| long historyRowId) { |
| super(); |
| mSyncOperation = syncOperation; |
| mHistoryRowId = historyRowId; |
| mSyncAdapter = null; |
| mStartTime = SystemClock.elapsedRealtime(); |
| mTimeoutStartTime = mStartTime; |
| } |
| |
| public void sendHeartbeat() { |
| // heartbeats are no longer used |
| } |
| |
| public void onFinished(SyncResult result) { |
| // include "this" in the message so that the handler can ignore it if this |
| // ActiveSyncContext is no longer the mActiveSyncContext at message handling |
| // time |
| sendSyncFinishedOrCanceledMessage(this, result); |
| } |
| |
| public void toString(StringBuilder sb) { |
| sb.append("startTime ").append(mStartTime) |
| .append(", mTimeoutStartTime ").append(mTimeoutStartTime) |
| .append(", mHistoryRowId ").append(mHistoryRowId) |
| .append(", syncOperation ").append(mSyncOperation); |
| } |
| |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| Message msg = mSyncHandler.obtainMessage(); |
| msg.what = SyncHandler.MESSAGE_SERVICE_CONNECTED; |
| msg.obj = new ServiceConnectionData(this, ISyncAdapter.Stub.asInterface(service)); |
| mSyncHandler.sendMessage(msg); |
| } |
| |
| public void onServiceDisconnected(ComponentName name) { |
| Message msg = mSyncHandler.obtainMessage(); |
| msg.what = SyncHandler.MESSAGE_SERVICE_DISCONNECTED; |
| msg.obj = new ServiceConnectionData(this, null); |
| mSyncHandler.sendMessage(msg); |
| } |
| |
| boolean bindToSyncAdapter(RegisteredServicesCache.ServiceInfo info) { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.d(TAG, "bindToSyncAdapter: " + info.componentName + ", connection " + this); |
| } |
| Intent intent = new Intent(); |
| intent.setAction("android.content.SyncAdapter"); |
| intent.setComponent(info.componentName); |
| intent.putExtra(Intent.EXTRA_CLIENT_LABEL, |
| com.android.internal.R.string.sync_binding_label); |
| intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( |
| mContext, 0, new Intent(Settings.ACTION_SYNC_SETTINGS), 0)); |
| return mContext.bindService(intent, this, |
| Context.BIND_AUTO_CREATE | Context.BIND_NOT_FOREGROUND); |
| } |
| |
| void unBindFromSyncAdapter() { |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.d(TAG, "unBindFromSyncAdapter: connection " + this); |
| } |
| mContext.unbindService(this); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| toString(sb); |
| return sb.toString(); |
| } |
| } |
| |
| protected void dump(FileDescriptor fd, PrintWriter pw) { |
| StringBuilder sb = new StringBuilder(); |
| dumpSyncState(pw, sb); |
| dumpSyncHistory(pw, sb); |
| |
| pw.println(); |
| pw.println("SyncAdapters:"); |
| for (RegisteredServicesCache.ServiceInfo info : mSyncAdapters.getAllServices()) { |
| pw.println(" " + info); |
| } |
| } |
| |
| static String formatTime(long time) { |
| Time tobj = new Time(); |
| tobj.set(time); |
| return tobj.format("%Y-%m-%d %H:%M:%S"); |
| } |
| |
| protected void dumpSyncState(PrintWriter pw, StringBuilder sb) { |
| pw.print("data connected: "); pw.println(mDataConnectionIsConnected); |
| pw.print("memory low: "); pw.println(mStorageIsLow); |
| |
| final Account[] accounts = mAccounts; |
| pw.print("accounts: "); |
| if (accounts != INITIAL_ACCOUNTS_ARRAY) { |
| pw.println(accounts.length); |
| } else { |
| pw.println("not known yet"); |
| } |
| final long now = SystemClock.elapsedRealtime(); |
| pw.print("now: "); pw.print(now); |
| pw.println(" (" + formatTime(System.currentTimeMillis()) + ")"); |
| pw.print("uptime: "); pw.print(DateUtils.formatElapsedTime(now/1000)); |
| pw.println(" (HH:MM:SS)"); |
| pw.print("time spent syncing: "); |
| pw.print(DateUtils.formatElapsedTime( |
| mSyncHandler.mSyncTimeTracker.timeSpentSyncing() / 1000)); |
| pw.print(" (HH:MM:SS), sync "); |
| pw.print(mSyncHandler.mSyncTimeTracker.mLastWasSyncing ? "" : "not "); |
| pw.println("in progress"); |
| if (mSyncHandler.mAlarmScheduleTime != null) { |
| pw.print("next alarm time: "); pw.print(mSyncHandler.mAlarmScheduleTime); |
| pw.print(" ("); |
| pw.print(DateUtils.formatElapsedTime((mSyncHandler.mAlarmScheduleTime-now)/1000)); |
| pw.println(" (HH:MM:SS) from now)"); |
| } else { |
| pw.println("no alarm is scheduled (there had better not be any pending syncs)"); |
| } |
| |
| final SyncManager.ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| |
| pw.print("active sync: "); pw.println(activeSyncContext); |
| |
| pw.print("notification info: "); |
| sb.setLength(0); |
| mSyncHandler.mSyncNotificationInfo.toString(sb); |
| pw.println(sb.toString()); |
| |
| synchronized (mSyncQueue) { |
| pw.print("sync queue: "); |
| sb.setLength(0); |
| mSyncQueue.dump(sb); |
| pw.println(sb.toString()); |
| } |
| |
| ActiveSyncInfo active = mSyncStorageEngine.getActiveSync(); |
| if (active != null) { |
| SyncStorageEngine.AuthorityInfo authority |
| = mSyncStorageEngine.getAuthority(active.authorityId); |
| final long durationInSeconds = (now - active.startTime) / 1000; |
| pw.print("Active sync: "); |
| pw.print(authority != null ? authority.account : "<no account>"); |
| pw.print(" "); |
| pw.print(authority != null ? authority.authority : "<no account>"); |
| if (activeSyncContext != null) { |
| pw.print(" "); |
| pw.print(SyncStorageEngine.SOURCES[ |
| activeSyncContext.mSyncOperation.syncSource]); |
| } |
| pw.print(", duration is "); |
| pw.println(DateUtils.formatElapsedTime(durationInSeconds)); |
| } else { |
| pw.println("No sync is in progress."); |
| } |
| |
| ArrayList<SyncStorageEngine.PendingOperation> ops |
| = mSyncStorageEngine.getPendingOperations(); |
| if (ops != null && ops.size() > 0) { |
| pw.println(); |
| pw.println("Pending Syncs"); |
| final int N = ops.size(); |
| for (int i=0; i<N; i++) { |
| SyncStorageEngine.PendingOperation op = ops.get(i); |
| pw.print(" #"); pw.print(i); pw.print(": account="); |
| pw.print(op.account.name); pw.print(":"); |
| pw.print(op.account.type); pw.print(" authority="); |
| pw.print(op.authority); pw.print(" expedited="); |
| pw.println(op.expedited); |
| if (op.extras != null && op.extras.size() > 0) { |
| sb.setLength(0); |
| SyncOperation.extrasToStringBuilder(op.extras, sb); |
| pw.print(" extras: "); pw.println(sb.toString()); |
| } |
| } |
| } |
| |
| // join the installed sync adapter with the accounts list and emit for everything |
| pw.println(); |
| pw.println("Sync Status"); |
| for (Account account : accounts) { |
| pw.print(" Account "); pw.print(account.name); |
| pw.print(" "); pw.print(account.type); |
| pw.println(":"); |
| for (RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterType : |
| mSyncAdapters.getAllServices()) { |
| if (!syncAdapterType.type.accountType.equals(account.type)) { |
| continue; |
| } |
| |
| SyncStorageEngine.AuthorityInfo settings = mSyncStorageEngine.getOrCreateAuthority( |
| account, syncAdapterType.type.authority); |
| SyncStatusInfo status = mSyncStorageEngine.getOrCreateSyncStatus(settings); |
| pw.print(" "); pw.print(settings.authority); |
| pw.println(":"); |
| pw.print(" settings:"); |
| pw.print(" " + (settings.syncable > 0 |
| ? "syncable" |
| : (settings.syncable == 0 ? "not syncable" : "not initialized"))); |
| pw.print(", " + (settings.enabled ? "enabled" : "disabled")); |
| if (settings.delayUntil > now) { |
| pw.print(", delay for " |
| + ((settings.delayUntil - now) / 1000) + " sec"); |
| } |
| if (settings.backoffTime > now) { |
| pw.print(", backoff for " |
| + ((settings.backoffTime - now) / 1000) + " sec"); |
| } |
| if (settings.backoffDelay > 0) { |
| pw.print(", the backoff increment is " + settings.backoffDelay / 1000 |
| + " sec"); |
| } |
| pw.println(); |
| for (int periodicIndex = 0; |
| periodicIndex < settings.periodicSyncs.size(); |
| periodicIndex++) { |
| Pair<Bundle, Long> info = settings.periodicSyncs.get(periodicIndex); |
| long lastPeriodicTime = status.getPeriodicSyncTime(periodicIndex); |
| long nextPeriodicTime = lastPeriodicTime + info.second * 1000; |
| pw.println(" periodic period=" + info.second |
| + ", extras=" + info.first |
| + ", next=" + formatTime(nextPeriodicTime)); |
| } |
| pw.print(" count: local="); pw.print(status.numSourceLocal); |
| pw.print(" poll="); pw.print(status.numSourcePoll); |
| pw.print(" periodic="); pw.print(status.numSourcePeriodic); |
| pw.print(" server="); pw.print(status.numSourceServer); |
| pw.print(" user="); pw.print(status.numSourceUser); |
| pw.print(" total="); pw.print(status.numSyncs); |
| pw.println(); |
| pw.print(" total duration: "); |
| pw.println(DateUtils.formatElapsedTime(status.totalElapsedTime/1000)); |
| if (status.lastSuccessTime != 0) { |
| pw.print(" SUCCESS: source="); |
| pw.print(SyncStorageEngine.SOURCES[status.lastSuccessSource]); |
| pw.print(" time="); |
| pw.println(formatTime(status.lastSuccessTime)); |
| } |
| if (status.lastFailureTime != 0) { |
| pw.print(" FAILURE: source="); |
| pw.print(SyncStorageEngine.SOURCES[ |
| status.lastFailureSource]); |
| pw.print(" initialTime="); |
| pw.print(formatTime(status.initialFailureTime)); |
| pw.print(" lastTime="); |
| pw.println(formatTime(status.lastFailureTime)); |
| pw.print(" message: "); pw.println(status.lastFailureMesg); |
| } |
| } |
| } |
| } |
| |
| private void dumpTimeSec(PrintWriter pw, long time) { |
| pw.print(time/1000); pw.print('.'); pw.print((time/100)%10); |
| pw.print('s'); |
| } |
| |
| private void dumpDayStatistic(PrintWriter pw, SyncStorageEngine.DayStats ds) { |
| pw.print("Success ("); pw.print(ds.successCount); |
| if (ds.successCount > 0) { |
| pw.print(" for "); dumpTimeSec(pw, ds.successTime); |
| pw.print(" avg="); dumpTimeSec(pw, ds.successTime/ds.successCount); |
| } |
| pw.print(") Failure ("); pw.print(ds.failureCount); |
| if (ds.failureCount > 0) { |
| pw.print(" for "); dumpTimeSec(pw, ds.failureTime); |
| pw.print(" avg="); dumpTimeSec(pw, ds.failureTime/ds.failureCount); |
| } |
| pw.println(")"); |
| } |
| |
| protected void dumpSyncHistory(PrintWriter pw, StringBuilder sb) { |
| SyncStorageEngine.DayStats dses[] = mSyncStorageEngine.getDayStatistics(); |
| if (dses != null && dses[0] != null) { |
| pw.println(); |
| pw.println("Sync Statistics"); |
| pw.print(" Today: "); dumpDayStatistic(pw, dses[0]); |
| int today = dses[0].day; |
| int i; |
| SyncStorageEngine.DayStats ds; |
| |
| // Print each day in the current week. |
| for (i=1; i<=6 && i < dses.length; i++) { |
| ds = dses[i]; |
| if (ds == null) break; |
| int delta = today-ds.day; |
| if (delta > 6) break; |
| |
| pw.print(" Day-"); pw.print(delta); pw.print(": "); |
| dumpDayStatistic(pw, ds); |
| } |
| |
| // Aggregate all following days into weeks and print totals. |
| int weekDay = today; |
| while (i < dses.length) { |
| SyncStorageEngine.DayStats aggr = null; |
| weekDay -= 7; |
| while (i < dses.length) { |
| ds = dses[i]; |
| if (ds == null) { |
| i = dses.length; |
| break; |
| } |
| int delta = weekDay-ds.day; |
| if (delta > 6) break; |
| i++; |
| |
| if (aggr == null) { |
| aggr = new SyncStorageEngine.DayStats(weekDay); |
| } |
| aggr.successCount += ds.successCount; |
| aggr.successTime += ds.successTime; |
| aggr.failureCount += ds.failureCount; |
| aggr.failureTime += ds.failureTime; |
| } |
| if (aggr != null) { |
| pw.print(" Week-"); pw.print((today-weekDay)/7); pw.print(": "); |
| dumpDayStatistic(pw, aggr); |
| } |
| } |
| } |
| |
| ArrayList<SyncStorageEngine.SyncHistoryItem> items |
| = mSyncStorageEngine.getSyncHistory(); |
| if (items != null && items.size() > 0) { |
| pw.println(); |
| pw.println("Recent Sync History"); |
| final int N = items.size(); |
| for (int i=0; i<N; i++) { |
| SyncStorageEngine.SyncHistoryItem item = items.get(i); |
| SyncStorageEngine.AuthorityInfo authority |
| = mSyncStorageEngine.getAuthority(item.authorityId); |
| pw.print(" #"); pw.print(i+1); pw.print(": "); |
| if (authority != null) { |
| pw.print(authority.account.name); |
| pw.print(":"); |
| pw.print(authority.account.type); |
| pw.print(" "); |
| pw.print(authority.authority); |
| } else { |
| pw.print("<no account>"); |
| } |
| Time time = new Time(); |
| time.set(item.eventTime); |
| pw.print(" "); pw.print(SyncStorageEngine.SOURCES[item.source]); |
| pw.print(" @ "); |
| pw.print(formatTime(item.eventTime)); |
| pw.print(" for "); |
| dumpTimeSec(pw, item.elapsedTime); |
| pw.println(); |
| if (item.event != SyncStorageEngine.EVENT_STOP |
| || item.upstreamActivity !=0 |
| || item.downstreamActivity != 0) { |
| pw.print(" event="); pw.print(item.event); |
| pw.print(" upstreamActivity="); pw.print(item.upstreamActivity); |
| pw.print(" downstreamActivity="); pw.println(item.downstreamActivity); |
| } |
| if (item.mesg != null |
| && !SyncStorageEngine.MESG_SUCCESS.equals(item.mesg)) { |
| pw.print(" mesg="); pw.println(item.mesg); |
| } |
| } |
| } |
| } |
| |
| /** |
| * A helper object to keep track of the time we have spent syncing since the last boot |
| */ |
| private class SyncTimeTracker { |
| /** True if a sync was in progress on the most recent call to update() */ |
| boolean mLastWasSyncing = false; |
| /** Used to track when lastWasSyncing was last set */ |
| long mWhenSyncStarted = 0; |
| /** The cumulative time we have spent syncing */ |
| private long mTimeSpentSyncing; |
| |
| /** Call to let the tracker know that the sync state may have changed */ |
| public synchronized void update() { |
| final boolean isSyncInProgress = mActiveSyncContext != null; |
| if (isSyncInProgress == mLastWasSyncing) return; |
| final long now = SystemClock.elapsedRealtime(); |
| if (isSyncInProgress) { |
| mWhenSyncStarted = now; |
| } else { |
| mTimeSpentSyncing += now - mWhenSyncStarted; |
| } |
| mLastWasSyncing = isSyncInProgress; |
| } |
| |
| /** Get how long we have been syncing, in ms */ |
| public synchronized long timeSpentSyncing() { |
| if (!mLastWasSyncing) return mTimeSpentSyncing; |
| |
| final long now = SystemClock.elapsedRealtime(); |
| return mTimeSpentSyncing + (now - mWhenSyncStarted); |
| } |
| } |
| |
| class ServiceConnectionData { |
| public final ActiveSyncContext activeSyncContext; |
| public final ISyncAdapter syncAdapter; |
| ServiceConnectionData(ActiveSyncContext activeSyncContext, ISyncAdapter syncAdapter) { |
| this.activeSyncContext = activeSyncContext; |
| this.syncAdapter = syncAdapter; |
| } |
| } |
| |
| /** |
| * Handles SyncOperation Messages that are posted to the associated |
| * HandlerThread. |
| */ |
| class SyncHandler extends Handler { |
| // Messages that can be sent on mHandler |
| private static final int MESSAGE_SYNC_FINISHED = 1; |
| private static final int MESSAGE_SYNC_ALARM = 2; |
| private static final int MESSAGE_CHECK_ALARMS = 3; |
| private static final int MESSAGE_SERVICE_CONNECTED = 4; |
| private static final int MESSAGE_SERVICE_DISCONNECTED = 5; |
| |
| public final SyncNotificationInfo mSyncNotificationInfo = new SyncNotificationInfo(); |
| private Long mAlarmScheduleTime = null; |
| public final SyncTimeTracker mSyncTimeTracker = new SyncTimeTracker(); |
| |
| // used to track if we have installed the error notification so that we don't reinstall |
| // it if sync is still failing |
| private boolean mErrorNotificationInstalled = false; |
| private volatile CountDownLatch mReadyToRunLatch = new CountDownLatch(1); |
| |
| public void onBootCompleted() { |
| mBootCompleted = true; |
| if (mReadyToRunLatch != null) { |
| mReadyToRunLatch.countDown(); |
| } |
| } |
| |
| private void waitUntilReadyToRun() { |
| CountDownLatch latch = mReadyToRunLatch; |
| if (latch != null) { |
| while (true) { |
| try { |
| latch.await(); |
| mReadyToRunLatch = null; |
| return; |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| } |
| } |
| } |
| /** |
| * Used to keep track of whether a sync notification is active and who it is for. |
| */ |
| class SyncNotificationInfo { |
| // only valid if isActive is true |
| public Account account; |
| |
| // only valid if isActive is true |
| public String authority; |
| |
| // true iff the notification manager has been asked to send the notification |
| public boolean isActive = false; |
| |
| // Set when we transition from not running a sync to running a sync, and cleared on |
| // the opposite transition. |
| public Long startTime = null; |
| |
| public void toString(StringBuilder sb) { |
| sb.append("account ").append(account) |
| .append(", authority ").append(authority) |
| .append(", isActive ").append(isActive) |
| .append(", startTime ").append(startTime); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| toString(sb); |
| return sb.toString(); |
| } |
| } |
| |
| public SyncHandler(Looper looper) { |
| super(looper); |
| } |
| |
| public void handleMessage(Message msg) { |
| try { |
| waitUntilReadyToRun(); |
| switch (msg.what) { |
| case SyncHandler.MESSAGE_SYNC_FINISHED: |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "handleSyncHandlerMessage: MESSAGE_SYNC_FINISHED"); |
| } |
| SyncHandlerMessagePayload payload = (SyncHandlerMessagePayload)msg.obj; |
| if (mActiveSyncContext != payload.activeSyncContext) { |
| Log.d(TAG, "handleSyncHandlerMessage: sync context doesn't match, " |
| + "dropping: mActiveSyncContext " + mActiveSyncContext |
| + " != " + payload.activeSyncContext); |
| return; |
| } |
| runSyncFinishedOrCanceled(payload.syncResult); |
| |
| // since we are no longer syncing, check if it is time to start a new sync |
| runStateIdle(); |
| break; |
| |
| case SyncHandler.MESSAGE_SERVICE_CONNECTED: { |
| ServiceConnectionData msgData = (ServiceConnectionData)msg.obj; |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.d(TAG, "handleSyncHandlerMessage: MESSAGE_SERVICE_CONNECTED: " |
| + msgData.activeSyncContext |
| + " active is " + mActiveSyncContext); |
| } |
| // check that this isn't an old message |
| if (mActiveSyncContext == msgData.activeSyncContext) { |
| runBoundToSyncAdapter(msgData.syncAdapter); |
| } |
| break; |
| } |
| |
| case SyncHandler.MESSAGE_SERVICE_DISCONNECTED: { |
| ServiceConnectionData msgData = (ServiceConnectionData)msg.obj; |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.d(TAG, "handleSyncHandlerMessage: MESSAGE_SERVICE_DISCONNECTED: " |
| + msgData.activeSyncContext |
| + " active is " + mActiveSyncContext); |
| } |
| // check that this isn't an old message |
| if (mActiveSyncContext == msgData.activeSyncContext) { |
| // cancel the sync if we have a syncadapter, which means one is |
| // outstanding |
| if (mActiveSyncContext.mSyncAdapter != null) { |
| try { |
| mActiveSyncContext.mSyncAdapter.cancelSync(mActiveSyncContext); |
| } catch (RemoteException e) { |
| // we don't need to retry this in this case |
| } |
| } |
| |
| // pretend that the sync failed with an IOException, |
| // which is a soft error |
| SyncResult syncResult = new SyncResult(); |
| syncResult.stats.numIoExceptions++; |
| runSyncFinishedOrCanceled(syncResult); |
| |
| // since we are no longer syncing, check if it is time to start a new |
| // sync |
| runStateIdle(); |
| } |
| |
| break; |
| } |
| |
| case SyncHandler.MESSAGE_SYNC_ALARM: { |
| boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); |
| if (isLoggable) { |
| Log.v(TAG, "handleSyncHandlerMessage: MESSAGE_SYNC_ALARM"); |
| } |
| mAlarmScheduleTime = null; |
| try { |
| if (mActiveSyncContext != null) { |
| if (isLoggable) { |
| Log.v(TAG, "handleSyncHandlerMessage: sync context is active"); |
| } |
| runStateSyncing(); |
| } |
| |
| // if the above call to runStateSyncing() resulted in the end of a sync, |
| // check if it is time to start a new sync |
| if (mActiveSyncContext == null) { |
| if (isLoggable) { |
| Log.v(TAG, "handleSyncHandlerMessage: " |
| + "sync context is not active"); |
| } |
| runStateIdle(); |
| } |
| } finally { |
| mHandleAlarmWakeLock.release(); |
| } |
| break; |
| } |
| |
| case SyncHandler.MESSAGE_CHECK_ALARMS: |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "handleSyncHandlerMessage: MESSAGE_CHECK_ALARMS"); |
| } |
| // we do all the work for this case in the finally block |
| break; |
| } |
| } finally { |
| final boolean isSyncInProgress = mActiveSyncContext != null; |
| if (!isSyncInProgress) { |
| mSyncWakeLock.release(); |
| } |
| manageSyncNotification(); |
| manageErrorNotification(); |
| manageSyncAlarm(); |
| mSyncTimeTracker.update(); |
| } |
| } |
| |
| private boolean isSyncAllowed(Account account, String authority, boolean ignoreSettings, |
| boolean backgroundDataUsageAllowed) { |
| Account[] accounts = mAccounts; |
| |
| // skip the sync if the account of this operation no longer exists |
| if (!ArrayUtils.contains(accounts, account)) { |
| return false; |
| } |
| |
| // skip the sync if it isn't manual and auto sync is disabled |
| final boolean syncAutomatically = |
| mSyncStorageEngine.getSyncAutomatically(account, authority) |
| && mSyncStorageEngine.getMasterSyncAutomatically(); |
| if (!(ignoreSettings || (backgroundDataUsageAllowed && syncAutomatically))) { |
| return false; |
| } |
| |
| if (mSyncStorageEngine.getIsSyncable(account, authority) <= 0) { |
| // if not syncable or if the syncable is unknown (< 0), don't allow |
| return false; |
| } |
| |
| return true; |
| } |
| |
| private void runStateSyncing() { |
| // if the sync timeout has been reached then cancel it |
| |
| ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| |
| final long now = SystemClock.elapsedRealtime(); |
| if (now > activeSyncContext.mTimeoutStartTime + MAX_TIME_PER_SYNC) { |
| SyncOperation nextSyncOperation; |
| synchronized (mSyncQueue) { |
| nextSyncOperation = getNextReadyToRunSyncOperation(now); |
| } |
| if (nextSyncOperation != null) { |
| Log.d(TAG, "canceling and rescheduling sync because it ran too long: " |
| + activeSyncContext.mSyncOperation); |
| scheduleSyncOperation(new SyncOperation(activeSyncContext.mSyncOperation)); |
| sendSyncFinishedOrCanceledMessage(activeSyncContext, |
| null /* no result since this is a cancel */); |
| } else { |
| activeSyncContext.mTimeoutStartTime = now + MAX_TIME_PER_SYNC; |
| } |
| } |
| |
| // no need to schedule an alarm, as that will be done by our caller. |
| } |
| |
| private void runStateIdle() { |
| boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); |
| if (isLoggable) Log.v(TAG, "runStateIdle"); |
| |
| // If we aren't ready to run (e.g. the data connection is down), get out. |
| if (!mDataConnectionIsConnected) { |
| if (isLoggable) { |
| Log.v(TAG, "runStateIdle: no data connection, skipping"); |
| } |
| return; |
| } |
| |
| if (mStorageIsLow) { |
| if (isLoggable) { |
| Log.v(TAG, "runStateIdle: memory low, skipping"); |
| } |
| return; |
| } |
| |
| // If the accounts aren't known yet then we aren't ready to run. We will be kicked |
| // when the account lookup request does complete. |
| Account[] accounts = mAccounts; |
| if (accounts == INITIAL_ACCOUNTS_ARRAY) { |
| if (isLoggable) { |
| Log.v(TAG, "runStateIdle: accounts not known, skipping"); |
| } |
| return; |
| } |
| |
| // Otherwise consume SyncOperations from the head of the SyncQueue until one is |
| // found that is runnable (not disabled, etc). If that one is ready to run then |
| // start it, otherwise just get out. |
| SyncOperation op; |
| final boolean backgroundDataUsageAllowed = |
| getConnectivityManager().getBackgroundDataSetting(); |
| synchronized (mSyncQueue) { |
| final long now = SystemClock.elapsedRealtime(); |
| while (true) { |
| op = getNextReadyToRunSyncOperation(now); |
| if (op == null) { |
| if (isLoggable) { |
| Log.v(TAG, "runStateIdle: no more sync operations, returning"); |
| } |
| return; |
| } |
| |
| // we are either going to run this sync or drop it so go ahead and remove it |
| // from the queue now |
| mSyncQueue.remove(op); |
| |
| final boolean ignoreSettings = op.extras |
| .getBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_SETTINGS, false); |
| if (!isSyncAllowed(op.account, op.authority, ignoreSettings, |
| backgroundDataUsageAllowed)) { |
| continue; |
| } |
| |
| // go ahead and try to sync this syncOperation |
| break; |
| } |
| |
| // We will do this sync. Run it outside of the synchronized block. |
| if (isLoggable) { |
| Log.v(TAG, "runStateIdle: we are going to sync " + op); |
| } |
| } |
| |
| // connect to the sync adapter |
| SyncAdapterType syncAdapterType = SyncAdapterType.newKey(op.authority, op.account.type); |
| RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo = |
| mSyncAdapters.getServiceInfo(syncAdapterType); |
| if (syncAdapterInfo == null) { |
| Log.d(TAG, "can't find a sync adapter for " + syncAdapterType); |
| runStateIdle(); |
| return; |
| } |
| |
| ActiveSyncContext activeSyncContext = |
| new ActiveSyncContext(op, insertStartSyncEvent(op)); |
| mActiveSyncContext = activeSyncContext; |
| if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| Log.v(TAG, "runStateIdle: setting mActiveSyncContext to " + mActiveSyncContext); |
| } |
| mSyncStorageEngine.setActiveSync(mActiveSyncContext); |
| if (!activeSyncContext.bindToSyncAdapter(syncAdapterInfo)) { |
| Log.e(TAG, "Bind attempt failed to " + syncAdapterInfo); |
| mActiveSyncContext = null; |
| mSyncStorageEngine.setActiveSync(mActiveSyncContext); |
| runStateIdle(); |
| return; |
| } |
| |
| mSyncWakeLock.acquire(); |
| // no need to schedule an alarm, as that will be done by our caller. |
| |
| // the next step will occur when we get either a timeout or a |
| // MESSAGE_SERVICE_CONNECTED or MESSAGE_SERVICE_DISCONNECTED message |
| } |
| |
| private SyncOperation getNextPeriodicSyncOperation() { |
| final boolean backgroundDataUsageAllowed = |
| getConnectivityManager().getBackgroundDataSetting(); |
| SyncStorageEngine.AuthorityInfo best = null; |
| long bestPollTimeAbsolute = Long.MAX_VALUE; |
| Bundle bestExtras = null; |
| ArrayList<SyncStorageEngine.AuthorityInfo> infos = mSyncStorageEngine.getAuthorities(); |
| for (SyncStorageEngine.AuthorityInfo info : infos) { |
| if (!isSyncAllowed(info.account, info.authority, false /* ignoreSettings */, |
| backgroundDataUsageAllowed)) { |
| continue; |
| } |
| SyncStatusInfo status = mSyncStorageEngine.getStatusByAccountAndAuthority( |
| info.account, info.authority); |
| int i = 0; |
| for (Pair<Bundle, Long> periodicSync : info.periodicSyncs) { |
| long lastPollTimeAbsolute = status != null ? status.getPeriodicSyncTime(i) : 0; |
| final Bundle extras = periodicSync.first; |
| final Long periodInSeconds = periodicSync.second; |
| long nextPollTimeAbsolute = lastPollTimeAbsolute + periodInSeconds * 1000; |
| if (nextPollTimeAbsolute < bestPollTimeAbsolute) { |
| best = info; |
| bestPollTimeAbsolute = nextPollTimeAbsolute; |
| bestExtras = extras; |
| } |
| i++; |
| } |
| } |
| |
| if (best == null) { |
| return null; |
| } |
| |
| final long nowAbsolute = System.currentTimeMillis(); |
| final SyncOperation syncOperation = new SyncOperation(best.account, |
| SyncStorageEngine.SOURCE_PERIODIC, |
| best.authority, bestExtras, 0 /* delay */); |
| syncOperation.earliestRunTime = SystemClock.elapsedRealtime() |
| + (bestPollTimeAbsolute - nowAbsolute); |
| if (syncOperation.earliestRunTime < 0) { |
| syncOperation.earliestRunTime = 0; |
| } |
| return syncOperation; |
| } |
| |
| public Pair<SyncOperation, Long> bestSyncOperationCandidate() { |
| Pair<SyncOperation, Long> nextOpAndRunTime = mSyncQueue.nextOperation(); |
| SyncOperation nextOp = nextOpAndRunTime != null ? nextOpAndRunTime.first : null; |
| Long nextRunTime = nextOpAndRunTime != null ? nextOpAndRunTime.second : null; |
| SyncOperation pollOp = getNextPeriodicSyncOperation(); |
| if (nextOp != null |
| && (pollOp == null || nextOp.expedited |
| || nextRunTime <= pollOp.earliestRunTime)) { |
| return nextOpAndRunTime; |
| } else if (pollOp != null) { |
| return Pair.create(pollOp, pollOp.earliestRunTime); |
| } else { |
| return null; |
| } |
| } |
| |
| private SyncOperation getNextReadyToRunSyncOperation(long now) { |
| Pair<SyncOperation, Long> nextOpAndRunTime = bestSyncOperationCandidate(); |
| return nextOpAndRunTime != null && nextOpAndRunTime.second <= now |
| ? nextOpAndRunTime.first |
| : null; |
| } |
| |
| private void runBoundToSyncAdapter(ISyncAdapter syncAdapter) { |
| mActiveSyncContext.mSyncAdapter = syncAdapter; |
| final SyncOperation syncOperation = mActiveSyncContext.mSyncOperation; |
| try { |
| syncAdapter.startSync(mActiveSyncContext, syncOperation.authority, |
| syncOperation.account, syncOperation.extras); |
| } catch (RemoteException remoteExc) { |
| Log.d(TAG, "runStateIdle: caught a RemoteException, rescheduling", remoteExc); |
| mActiveSyncContext.unBindFromSyncAdapter(); |
| mActiveSyncContext = null; |
| mSyncStorageEngine.setActiveSync(mActiveSyncContext); |
| increaseBackoffSetting(syncOperation); |
| scheduleSyncOperation(new SyncOperation(syncOperation)); |
| } catch (RuntimeException exc) { |
| mActiveSyncContext.unBindFromSyncAdapter(); |
| mActiveSyncContext = null; |
| mSyncStorageEngine.setActiveSync(mActiveSyncContext); |
| Log.e(TAG, "Caught RuntimeException while starting the sync " + syncOperation, exc); |
| } |
| } |
| |
| private void runSyncFinishedOrCanceled(SyncResult syncResult) { |
| boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE); |
| final ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| mActiveSyncContext = null; |
| mSyncStorageEngine.setActiveSync(mActiveSyncContext); |
| |
| final SyncOperation syncOperation = activeSyncContext.mSyncOperation; |
| |
| final long elapsedTime = SystemClock.elapsedRealtime() - activeSyncContext.mStartTime; |
| |
| String historyMessage; |
| int downstreamActivity; |
| int upstreamActivity; |
| if (syncResult != null) { |
| if (isLoggable) { |
| Log.v(TAG, "runSyncFinishedOrCanceled [finished]: " |
| + syncOperation + ", result " + syncResult); |
| } |
| |
| if (!syncResult.hasError()) { |
| historyMessage = SyncStorageEngine.MESG_SUCCESS; |
| // TODO: set these correctly when the SyncResult is extended to include it |
| downstreamActivity = 0; |
| upstreamActivity = 0; |
| clearBackoffSetting(syncOperation); |
| } else { |
| Log.d(TAG, "failed sync operation " + syncOperation + ", " + syncResult); |
| // the operation failed so increase the backoff time |
| if (!syncResult.syncAlreadyInProgress) { |
| increaseBackoffSetting(syncOperation); |
| } |
| // reschedule the sync if so indicated by the syncResult |
| maybeRescheduleSync(syncResult, syncOperation); |
| historyMessage = Integer.toString(syncResultToErrorNumber(syncResult)); |
| // TODO: set these correctly when the SyncResult is extended to include it |
| downstreamActivity = 0; |
| upstreamActivity = 0; |
| } |
| |
| setDelayUntilTime(syncOperation, syncResult.delayUntil); |
| } else { |
| if (isLoggable) { |
| Log.v(TAG, "runSyncFinishedOrCanceled [canceled]: " + syncOperation); |
| } |
| if (activeSyncContext.mSyncAdapter != null) { |
| try { |
| activeSyncContext.mSyncAdapter.cancelSync(activeSyncContext); |
| } catch (RemoteException e) { |
| // we don't need to retry this in this case |
| } |
| } |
| historyMessage = SyncStorageEngine.MESG_CANCELED; |
| downstreamActivity = 0; |
| upstreamActivity = 0; |
| } |
| |
| stopSyncEvent(activeSyncContext.mHistoryRowId, syncOperation, historyMessage, |
| upstreamActivity, downstreamActivity, elapsedTime); |
| |
| activeSyncContext.unBindFromSyncAdapter(); |
| |
| if (syncResult != null && syncResult.tooManyDeletions) { |
| installHandleTooManyDeletesNotification(syncOperation.account, |
| syncOperation.authority, syncResult.stats.numDeletes); |
| } else { |
| mNotificationMgr.cancel( |
| syncOperation.account.hashCode() ^ syncOperation.authority.hashCode()); |
| } |
| |
| if (syncResult != null && syncResult.fullSyncRequested) { |
| scheduleSyncOperation(new SyncOperation(syncOperation.account, |
| syncOperation.syncSource, syncOperation.authority, new Bundle(), 0)); |
| } |
| // no need to schedule an alarm, as that will be done by our caller. |
| } |
| |
| /** |
| * Convert the error-containing SyncResult into the Sync.History error number. Since |
| * the SyncResult may indicate multiple errors at once, this method just returns the |
| * most "serious" error. |
| * @param syncResult the SyncResult from which to read |
| * @return the most "serious" error set in the SyncResult |
| * @throws IllegalStateException if the SyncResult does not indicate any errors. |
| * If SyncResult.error() is true then it is safe to call this. |
| */ |
| private int syncResultToErrorNumber(SyncResult syncResult) { |
| if (syncResult.syncAlreadyInProgress) |
| return ContentResolver.SYNC_ERROR_SYNC_ALREADY_IN_PROGRESS; |
| if (syncResult.stats.numAuthExceptions > 0) |
| return ContentResolver.SYNC_ERROR_AUTHENTICATION; |
| if (syncResult.stats.numIoExceptions > 0) |
| return ContentResolver.SYNC_ERROR_IO; |
| if (syncResult.stats.numParseExceptions > 0) |
| return ContentResolver.SYNC_ERROR_PARSE; |
| if (syncResult.stats.numConflictDetectedExceptions > 0) |
| return ContentResolver.SYNC_ERROR_CONFLICT; |
| if (syncResult.tooManyDeletions) |
| return ContentResolver.SYNC_ERROR_TOO_MANY_DELETIONS; |
| if (syncResult.tooManyRetries) |
| return ContentResolver.SYNC_ERROR_TOO_MANY_RETRIES; |
| if (syncResult.databaseError) |
| return ContentResolver.SYNC_ERROR_INTERNAL; |
| throw new IllegalStateException("we are not in an error state, " + syncResult); |
| } |
| |
| private void manageSyncNotification() { |
| boolean shouldCancel; |
| boolean shouldInstall; |
| |
| if (mActiveSyncContext == null) { |
| mSyncNotificationInfo.startTime = null; |
| |
| // we aren't syncing. if the notification is active then remember that we need |
| // to cancel it and then clear out the info |
| shouldCancel = mSyncNotificationInfo.isActive; |
| shouldInstall = false; |
| } else { |
| // we are syncing |
| final SyncOperation syncOperation = mActiveSyncContext.mSyncOperation; |
| |
| final long now = SystemClock.elapsedRealtime(); |
| if (mSyncNotificationInfo.startTime == null) { |
| mSyncNotificationInfo.startTime = now; |
| } |
| |
| // cancel the notification if it is up and the authority or account is wrong |
| shouldCancel = mSyncNotificationInfo.isActive && |
| (!syncOperation.authority.equals(mSyncNotificationInfo.authority) |
| || !syncOperation.account.equals(mSyncNotificationInfo.account)); |
| |
| // there are four cases: |
| // - the notification is up and there is no change: do nothing |
| // - the notification is up but we should cancel since it is stale: |
| // need to install |
| // - the notification is not up but it isn't time yet: don't install |
| // - the notification is not up and it is time: need to install |
| |
| if (mSyncNotificationInfo.isActive) { |
| shouldInstall = shouldCancel; |
| } else { |
| final boolean timeToShowNotification = |
| now > mSyncNotificationInfo.startTime + SYNC_NOTIFICATION_DELAY; |
| // show the notification immediately if this is a manual sync |
| final boolean manualSync = syncOperation.extras |
| .getBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, false); |
| shouldInstall = timeToShowNotification || manualSync; |
| } |
| } |
| |
| if (shouldCancel && !shouldInstall) { |
| mNeedSyncActiveNotification = false; |
| sendSyncStateIntent(); |
| mSyncNotificationInfo.isActive = false; |
| } |
| |
| if (shouldInstall) { |
| SyncOperation syncOperation = mActiveSyncContext.mSyncOperation; |
| mNeedSyncActiveNotification = true; |
| sendSyncStateIntent(); |
| mSyncNotificationInfo.isActive = true; |
| mSyncNotificationInfo.account = syncOperation.account; |
| mSyncNotificationInfo.authority = syncOperation.authority; |
| } |
| } |
| |
| /** |
| * Check if there were any long-lasting errors, if so install the error notification, |
| * otherwise cancel the error notification. |
| */ |
| private void manageErrorNotification() { |
| // |
| long when = mSyncStorageEngine.getInitialSyncFailureTime(); |
| if ((when > 0) && (when + ERROR_NOTIFICATION_DELAY_MS < System.currentTimeMillis())) { |
| if (!mErrorNotificationInstalled) { |
| mNeedSyncErrorNotification = true; |
| sendSyncStateIntent(); |
| } |
| mErrorNotificationInstalled = true; |
| } else { |
| if (mErrorNotificationInstalled) { |
| mNeedSyncErrorNotification = false; |
| sendSyncStateIntent(); |
| } |
| mErrorNotificationInstalled = false; |
| } |
| } |
| |
| private void manageSyncAlarm() { |
| // in each of these cases the sync loop will be kicked, which will cause this |
| // method to be called again |
| if (!mDataConnectionIsConnected) return; |
| if (mStorageIsLow) return; |
| |
| final long now = SystemClock.elapsedRealtime(); |
| |
| // Compute the alarm fire time: |
| // - not syncing: time of the next sync operation |
| // - syncing, no notification: time from sync start to notification create time |
| // - syncing, with notification: time till timeout of the active sync operation |
| Long alarmTime; |
| ActiveSyncContext activeSyncContext = mActiveSyncContext; |
| if (activeSyncContext == null) { |
| synchronized (mSyncQueue) { |
| Pair<SyncOperation, Long> candidate = bestSyncOperationCandidate(); |
| alarmTime = candidate != null ? candidate.second : null; |
| } |
| } else { |
| final long notificationTime = |
| mSyncHandler.mSyncNotificationInfo.startTime + SYNC_NOTIFICATION_DELAY; |
| final long timeoutTime = |
| mActiveSyncContext.mTimeoutStartTime + MAX_TIME_PER_SYNC; |
| if (mSyncHandler.mSyncNotificationInfo.isActive) { |
| alarmTime = timeoutTime; |
| } else { |
| alarmTime = Math.min(notificationTime, timeoutTime); |
| } |
| } |
| |
| // adjust the alarmTime so that we will wake up when it is time to |
| // install the error notification |
| if (!mErrorNotificationInstalled) { |
| long when = mSyncStorageEngine.getInitialSyncFailureTime(); |
| if (when > 0) { |
| when += ERROR_NOTIFICATION_DELAY_MS; |
| // convert when fron absolute time to elapsed run time |
| long delay = when - System.currentTimeMillis(); |
| when = now + delay; |
| alarmTime = alarmTime != null ? Math.min(alarmTime, when) : when; |
| } |
| } |
| |
| // determine if we need to set or cancel the alarm |
| boolean shouldSet = false; |
| boolean shouldCancel = false; |
| final boolean alarmIsActive = mAlarmScheduleTime != null; |
| final boolean needAlarm = alarmTime != null; |
| if (needAlarm) { |
| if (!alarmIsActive || alarmTime < mAlarmScheduleTime) { |
| shouldSet = true; |
| } |
| } else { |
| shouldCancel = alarmIsActive; |
| } |
| |
| // set or cancel the alarm as directed |
| ensureAlarmService(); |
| if (shouldSet) { |
| mAlarmScheduleTime = alarmTime; |
| mAlarmService.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, alarmTime, |
| mSyncAlarmIntent); |
| } else if (shouldCancel) { |
| mAlarmScheduleTime = null; |
| mAlarmService.cancel(mSyncAlarmIntent); |
| } |
| } |
| |
| private void sendSyncStateIntent() { |
| Intent syncStateIntent = new Intent(Intent.ACTION_SYNC_STATE_CHANGED); |
| syncStateIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| syncStateIntent.putExtra("active", mNeedSyncActiveNotification); |
| syncStateIntent.putExtra("failing", mNeedSyncErrorNotification); |
| mContext.sendBroadcast(syncStateIntent); |
| } |
| |
| private void installHandleTooManyDeletesNotification(Account account, String authority, |
| long numDeletes) { |
| if (mNotificationMgr == null) return; |
| |
| final ProviderInfo providerInfo = mContext.getPackageManager().resolveContentProvider( |
| authority, 0 /* flags */); |
| if (providerInfo == null) { |
| return; |
| } |
| CharSequence authorityName = providerInfo.loadLabel(mContext.getPackageManager()); |
| |
| Intent clickIntent = new Intent(); |
| clickIntent.setClassName("com.android.providers.subscribedfeeds", |
| "com.android.settings.SyncActivityTooManyDeletes"); |
| clickIntent.putExtra("account", account); |
| clickIntent.putExtra("authority", authority); |
| clickIntent.putExtra("provider", authorityName.toString()); |
| clickIntent.putExtra("numDeletes", numDeletes); |
| |
| if (!isActivityAvailable(clickIntent)) { |
| Log.w(TAG, "No activity found to handle too many deletes."); |
| return; |
| } |
| |
| final PendingIntent pendingIntent = PendingIntent |
| .getActivity(mContext, 0, clickIntent, PendingIntent.FLAG_CANCEL_CURRENT); |
| |
| CharSequence tooManyDeletesDescFormat = mContext.getResources().getText( |
| R.string.contentServiceTooManyDeletesNotificationDesc); |
| |
| Notification notification = |
| new Notification(R.drawable.stat_notify_sync_error, |
| mContext.getString(R.string.contentServiceSync), |
| System.currentTimeMillis()); |
| notification.setLatestEventInfo(mContext, |
| mContext.getString(R.string.contentServiceSyncNotificationTitle), |
| String.format(tooManyDeletesDescFormat.toString(), authorityName), |
| pendingIntent); |
| notification.flags |= Notification.FLAG_ONGOING_EVENT; |
| mNotificationMgr.notify(account.hashCode() ^ authority.hashCode(), notification); |
| } |
| |
| /** |
| * Checks whether an activity exists on the system image for the given intent. |
| * |
| * @param intent The intent for an activity. |
| * @return Whether or not an activity exists. |
| */ |
| private boolean isActivityAvailable(Intent intent) { |
| PackageManager pm = mContext.getPackageManager(); |
| List<ResolveInfo> list = pm.queryIntentActivities(intent, 0); |
| int listSize = list.size(); |
| for (int i = 0; i < listSize; i++) { |
| ResolveInfo resolveInfo = list.get(i); |
| if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) |
| != 0) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public long insertStartSyncEvent(SyncOperation syncOperation) { |
| final int source = syncOperation.syncSource; |
| final long now = System.currentTimeMillis(); |
| |
| EventLog.writeEvent(2720, syncOperation.authority, |
| SyncStorageEngine.EVENT_START, source, |
| syncOperation.account.name.hashCode()); |
| |
| return mSyncStorageEngine.insertStartSyncEvent( |
| syncOperation.account, syncOperation.authority, now, source); |
| } |
| |
| public void stopSyncEvent(long rowId, SyncOperation syncOperation, String resultMessage, |
| int upstreamActivity, int downstreamActivity, long elapsedTime) { |
| EventLog.writeEvent(2720, syncOperation.authority, |
| SyncStorageEngine.EVENT_STOP, syncOperation.syncSource, |
| syncOperation.account.name.hashCode()); |
| |
| mSyncStorageEngine.stopSyncEvent(rowId, syncOperation.extras, elapsedTime, |
| resultMessage, downstreamActivity, upstreamActivity); |
| } |
| } |
| } |