| /* |
| * Copyright (C) 2006 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 com.android.server; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.AlarmManager; |
| import android.app.AppOpsManager; |
| import android.app.BroadcastOptions; |
| import android.app.IAlarmCompleteListener; |
| import android.app.IAlarmListener; |
| import android.app.IAlarmManager; |
| import android.app.IUidObserver; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| 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.os.UserHandle; |
| import android.os.WorkSource; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.text.format.DateFormat; |
| import android.util.ArrayMap; |
| import android.util.KeyValueListParser; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.SparseBooleanArray; |
| import android.util.SparseLongArray; |
| import android.util.TimeUtils; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Calendar; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.Locale; |
| import java.util.Random; |
| import java.util.TimeZone; |
| import java.util.TreeSet; |
| |
| import static android.app.AlarmManager.RTC_WAKEUP; |
| import static android.app.AlarmManager.RTC; |
| import static android.app.AlarmManager.ELAPSED_REALTIME_WAKEUP; |
| import static android.app.AlarmManager.ELAPSED_REALTIME; |
| |
| import com.android.internal.util.LocalLog; |
| |
| class AlarmManagerService extends SystemService { |
| private static final int RTC_WAKEUP_MASK = 1 << RTC_WAKEUP; |
| private static final int RTC_MASK = 1 << RTC; |
| private static final int ELAPSED_REALTIME_WAKEUP_MASK = 1 << ELAPSED_REALTIME_WAKEUP; |
| private static final int ELAPSED_REALTIME_MASK = 1 << ELAPSED_REALTIME; |
| static final int TIME_CHANGED_MASK = 1 << 16; |
| static final int IS_WAKEUP_MASK = RTC_WAKEUP_MASK|ELAPSED_REALTIME_WAKEUP_MASK; |
| |
| // Mask for testing whether a given alarm type is wakeup vs non-wakeup |
| static final int TYPE_NONWAKEUP_MASK = 0x1; // low bit => non-wakeup |
| |
| static final String TAG = "AlarmManager"; |
| static final boolean localLOGV = false; |
| static final boolean DEBUG_BATCH = localLOGV || false; |
| static final boolean DEBUG_VALIDATE = localLOGV || false; |
| static final boolean DEBUG_ALARM_CLOCK = localLOGV || false; |
| static final boolean DEBUG_LISTENER_CALLBACK = localLOGV || false; |
| static final boolean DEBUG_WAKELOCK = localLOGV || false; |
| static final boolean RECORD_ALARMS_IN_HISTORY = true; |
| static final boolean RECORD_DEVICE_IDLE_ALARMS = false; |
| static final int ALARM_EVENT = 1; |
| static final String TIMEZONE_PROPERTY = "persist.sys.timezone"; |
| |
| private final Intent mBackgroundIntent |
| = new Intent().addFlags(Intent.FLAG_FROM_BACKGROUND); |
| static final IncreasingTimeOrder sIncreasingTimeOrder = new IncreasingTimeOrder(); |
| |
| static final boolean WAKEUP_STATS = false; |
| |
| private static final Intent NEXT_ALARM_CLOCK_CHANGED_INTENT = |
| new Intent(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED) |
| .addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| |
| final LocalLog mLog = new LocalLog(TAG); |
| |
| AppOpsManager mAppOps; |
| DeviceIdleController.LocalService mLocalDeviceIdleController; |
| |
| final Object mLock = new Object(); |
| |
| long mNativeData; |
| private long mNextWakeup; |
| private long mNextNonWakeup; |
| private long mLastWakeupSet; |
| private long mLastWakeup; |
| int mBroadcastRefCount = 0; |
| PowerManager.WakeLock mWakeLock; |
| boolean mLastWakeLockUnimportantForLogging; |
| ArrayList<Alarm> mPendingNonWakeupAlarms = new ArrayList<>(); |
| ArrayList<InFlight> mInFlight = new ArrayList<>(); |
| final AlarmHandler mHandler = new AlarmHandler(); |
| ClockReceiver mClockReceiver; |
| InteractiveStateReceiver mInteractiveStateReceiver; |
| private UninstallReceiver mUninstallReceiver; |
| final DeliveryTracker mDeliveryTracker = new DeliveryTracker(); |
| PendingIntent mTimeTickSender; |
| PendingIntent mDateChangeSender; |
| Random mRandom; |
| boolean mInteractive = true; |
| long mNonInteractiveStartTime; |
| long mNonInteractiveTime; |
| long mLastAlarmDeliveryTime; |
| long mStartCurrentDelayTime; |
| long mNextNonWakeupDeliveryTime; |
| long mLastTimeChangeClockTime; |
| long mLastTimeChangeRealtime; |
| long mAllowWhileIdleMinTime; |
| int mNumTimeChanged; |
| |
| /** |
| * The current set of user whitelisted apps for device idle mode, meaning these are allowed |
| * to freely schedule alarms. |
| */ |
| int[] mDeviceIdleUserWhitelist = new int[0]; |
| |
| /** |
| * For each uid, this is the last time we dispatched an "allow while idle" alarm, |
| * used to determine the earliest we can dispatch the next such alarm. |
| */ |
| final SparseLongArray mLastAllowWhileIdleDispatch = new SparseLongArray(); |
| |
| final static class IdleDispatchEntry { |
| int uid; |
| String pkg; |
| String tag; |
| String op; |
| long elapsedRealtime; |
| long argRealtime; |
| } |
| final ArrayList<IdleDispatchEntry> mAllowWhileIdleDispatches = new ArrayList(); |
| |
| /** |
| * Broadcast options to use for FLAG_ALLOW_WHILE_IDLE. |
| */ |
| Bundle mIdleOptions; |
| |
| private final SparseArray<AlarmManager.AlarmClockInfo> mNextAlarmClockForUser = |
| new SparseArray<>(); |
| private final SparseArray<AlarmManager.AlarmClockInfo> mTmpSparseAlarmClockArray = |
| new SparseArray<>(); |
| private final SparseBooleanArray mPendingSendNextAlarmClockChangedForUser = |
| new SparseBooleanArray(); |
| private boolean mNextAlarmClockMayChange; |
| |
| // May only use on mHandler's thread, locking not required. |
| private final SparseArray<AlarmManager.AlarmClockInfo> mHandlerSparseAlarmClockArray = |
| new SparseArray<>(); |
| |
| /** |
| * All times are in milliseconds. These constants are kept synchronized with the system |
| * global Settings. Any access to this class or its fields should be done while |
| * holding the AlarmManagerService.mLock lock. |
| */ |
| private final class Constants extends ContentObserver { |
| // Key names stored in the settings value. |
| private static final String KEY_MIN_FUTURITY = "min_futurity"; |
| private static final String KEY_MIN_INTERVAL = "min_interval"; |
| private static final String KEY_ALLOW_WHILE_IDLE_SHORT_TIME = "allow_while_idle_short_time"; |
| private static final String KEY_ALLOW_WHILE_IDLE_LONG_TIME = "allow_while_idle_long_time"; |
| private static final String KEY_ALLOW_WHILE_IDLE_WHITELIST_DURATION |
| = "allow_while_idle_whitelist_duration"; |
| private static final String KEY_LISTENER_TIMEOUT = "listener_timeout"; |
| |
| private static final long DEFAULT_MIN_FUTURITY = 5 * 1000; |
| private static final long DEFAULT_MIN_INTERVAL = 60 * 1000; |
| private static final long DEFAULT_ALLOW_WHILE_IDLE_SHORT_TIME = DEFAULT_MIN_FUTURITY; |
| private static final long DEFAULT_ALLOW_WHILE_IDLE_LONG_TIME = 9*60*1000; |
| private static final long DEFAULT_ALLOW_WHILE_IDLE_WHITELIST_DURATION = 10*1000; |
| |
| private static final long DEFAULT_LISTENER_TIMEOUT = 5 * 1000; |
| |
| // Minimum futurity of a new alarm |
| public long MIN_FUTURITY = DEFAULT_MIN_FUTURITY; |
| |
| // Minimum alarm recurrence interval |
| public long MIN_INTERVAL = DEFAULT_MIN_INTERVAL; |
| |
| // Minimum time between ALLOW_WHILE_IDLE alarms when system is not idle. |
| public long ALLOW_WHILE_IDLE_SHORT_TIME = DEFAULT_ALLOW_WHILE_IDLE_SHORT_TIME; |
| |
| // Minimum time between ALLOW_WHILE_IDLE alarms when system is idling. |
| public long ALLOW_WHILE_IDLE_LONG_TIME = DEFAULT_ALLOW_WHILE_IDLE_LONG_TIME; |
| |
| // BroadcastOptions.setTemporaryAppWhitelistDuration() to use for FLAG_ALLOW_WHILE_IDLE. |
| public long ALLOW_WHILE_IDLE_WHITELIST_DURATION |
| = DEFAULT_ALLOW_WHILE_IDLE_WHITELIST_DURATION; |
| |
| // Direct alarm listener callback timeout |
| public long LISTENER_TIMEOUT = DEFAULT_LISTENER_TIMEOUT; |
| |
| private ContentResolver mResolver; |
| private final KeyValueListParser mParser = new KeyValueListParser(','); |
| private long mLastAllowWhileIdleWhitelistDuration = -1; |
| |
| public Constants(Handler handler) { |
| super(handler); |
| updateAllowWhileIdleMinTimeLocked(); |
| updateAllowWhileIdleWhitelistDurationLocked(); |
| } |
| |
| public void start(ContentResolver resolver) { |
| mResolver = resolver; |
| mResolver.registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.ALARM_MANAGER_CONSTANTS), false, this); |
| updateConstants(); |
| } |
| |
| public void updateAllowWhileIdleMinTimeLocked() { |
| mAllowWhileIdleMinTime = mPendingIdleUntil != null |
| ? ALLOW_WHILE_IDLE_LONG_TIME : ALLOW_WHILE_IDLE_SHORT_TIME; |
| } |
| |
| public void updateAllowWhileIdleWhitelistDurationLocked() { |
| if (mLastAllowWhileIdleWhitelistDuration != ALLOW_WHILE_IDLE_WHITELIST_DURATION) { |
| mLastAllowWhileIdleWhitelistDuration = ALLOW_WHILE_IDLE_WHITELIST_DURATION; |
| BroadcastOptions opts = BroadcastOptions.makeBasic(); |
| opts.setTemporaryAppWhitelistDuration(ALLOW_WHILE_IDLE_WHITELIST_DURATION); |
| mIdleOptions = opts.toBundle(); |
| } |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| updateConstants(); |
| } |
| |
| private void updateConstants() { |
| synchronized (mLock) { |
| try { |
| mParser.setString(Settings.Global.getString(mResolver, |
| Settings.Global.ALARM_MANAGER_CONSTANTS)); |
| } catch (IllegalArgumentException e) { |
| // Failed to parse the settings string, log this and move on |
| // with defaults. |
| Slog.e(TAG, "Bad alarm manager settings", e); |
| } |
| |
| MIN_FUTURITY = mParser.getLong(KEY_MIN_FUTURITY, DEFAULT_MIN_FUTURITY); |
| MIN_INTERVAL = mParser.getLong(KEY_MIN_INTERVAL, DEFAULT_MIN_INTERVAL); |
| ALLOW_WHILE_IDLE_SHORT_TIME = mParser.getLong(KEY_ALLOW_WHILE_IDLE_SHORT_TIME, |
| DEFAULT_ALLOW_WHILE_IDLE_SHORT_TIME); |
| ALLOW_WHILE_IDLE_LONG_TIME = mParser.getLong(KEY_ALLOW_WHILE_IDLE_LONG_TIME, |
| DEFAULT_ALLOW_WHILE_IDLE_LONG_TIME); |
| ALLOW_WHILE_IDLE_WHITELIST_DURATION = mParser.getLong( |
| KEY_ALLOW_WHILE_IDLE_WHITELIST_DURATION, |
| DEFAULT_ALLOW_WHILE_IDLE_WHITELIST_DURATION); |
| LISTENER_TIMEOUT = mParser.getLong(KEY_LISTENER_TIMEOUT, |
| DEFAULT_LISTENER_TIMEOUT); |
| |
| updateAllowWhileIdleMinTimeLocked(); |
| updateAllowWhileIdleWhitelistDurationLocked(); |
| } |
| } |
| |
| void dump(PrintWriter pw) { |
| pw.println(" Settings:"); |
| |
| pw.print(" "); pw.print(KEY_MIN_FUTURITY); pw.print("="); |
| TimeUtils.formatDuration(MIN_FUTURITY, pw); |
| pw.println(); |
| |
| pw.print(" "); pw.print(KEY_MIN_INTERVAL); pw.print("="); |
| TimeUtils.formatDuration(MIN_INTERVAL, pw); |
| pw.println(); |
| |
| pw.print(" "); pw.print(KEY_LISTENER_TIMEOUT); pw.print("="); |
| TimeUtils.formatDuration(LISTENER_TIMEOUT, pw); |
| pw.println(); |
| |
| pw.print(" "); pw.print(KEY_ALLOW_WHILE_IDLE_SHORT_TIME); pw.print("="); |
| TimeUtils.formatDuration(ALLOW_WHILE_IDLE_SHORT_TIME, pw); |
| pw.println(); |
| |
| pw.print(" "); pw.print(KEY_ALLOW_WHILE_IDLE_LONG_TIME); pw.print("="); |
| TimeUtils.formatDuration(ALLOW_WHILE_IDLE_LONG_TIME, pw); |
| pw.println(); |
| |
| pw.print(" "); pw.print(KEY_ALLOW_WHILE_IDLE_WHITELIST_DURATION); pw.print("="); |
| TimeUtils.formatDuration(ALLOW_WHILE_IDLE_WHITELIST_DURATION, pw); |
| pw.println(); |
| } |
| } |
| |
| final Constants mConstants; |
| |
| // Alarm delivery ordering bookkeeping |
| static final int PRIO_TICK = 0; |
| static final int PRIO_WAKEUP = 1; |
| static final int PRIO_NORMAL = 2; |
| |
| final class PriorityClass { |
| int seq; |
| int priority; |
| |
| PriorityClass() { |
| seq = mCurrentSeq - 1; |
| priority = PRIO_NORMAL; |
| } |
| } |
| |
| final HashMap<String, PriorityClass> mPriorities = new HashMap<>(); |
| int mCurrentSeq = 0; |
| |
| static final class WakeupEvent { |
| public long when; |
| public int uid; |
| public String action; |
| |
| public WakeupEvent(long theTime, int theUid, String theAction) { |
| when = theTime; |
| uid = theUid; |
| action = theAction; |
| } |
| } |
| |
| final LinkedList<WakeupEvent> mRecentWakeups = new LinkedList<WakeupEvent>(); |
| final long RECENT_WAKEUP_PERIOD = 1000L * 60 * 60 * 24; // one day |
| |
| final class Batch { |
| long start; // These endpoints are always in ELAPSED |
| long end; |
| int flags; // Flags for alarms, such as FLAG_STANDALONE. |
| |
| final ArrayList<Alarm> alarms = new ArrayList<Alarm>(); |
| |
| Batch() { |
| start = 0; |
| end = Long.MAX_VALUE; |
| flags = 0; |
| } |
| |
| Batch(Alarm seed) { |
| start = seed.whenElapsed; |
| end = seed.maxWhenElapsed; |
| flags = seed.flags; |
| alarms.add(seed); |
| } |
| |
| int size() { |
| return alarms.size(); |
| } |
| |
| Alarm get(int index) { |
| return alarms.get(index); |
| } |
| |
| boolean canHold(long whenElapsed, long maxWhen) { |
| return (end >= whenElapsed) && (start <= maxWhen); |
| } |
| |
| boolean add(Alarm alarm) { |
| boolean newStart = false; |
| // narrows the batch if necessary; presumes that canHold(alarm) is true |
| int index = Collections.binarySearch(alarms, alarm, sIncreasingTimeOrder); |
| if (index < 0) { |
| index = 0 - index - 1; |
| } |
| alarms.add(index, alarm); |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "Adding " + alarm + " to " + this); |
| } |
| if (alarm.whenElapsed > start) { |
| start = alarm.whenElapsed; |
| newStart = true; |
| } |
| if (alarm.maxWhenElapsed < end) { |
| end = alarm.maxWhenElapsed; |
| } |
| flags |= alarm.flags; |
| |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, " => now " + this); |
| } |
| return newStart; |
| } |
| |
| boolean remove(final PendingIntent operation, final IAlarmListener listener) { |
| if (operation == null && listener == null) { |
| if (localLOGV) { |
| Slog.w(TAG, "requested remove() of null operation", |
| new RuntimeException("here")); |
| } |
| return false; |
| } |
| boolean didRemove = false; |
| long newStart = 0; // recalculate endpoints as we go |
| long newEnd = Long.MAX_VALUE; |
| int newFlags = 0; |
| for (int i = 0; i < alarms.size(); ) { |
| Alarm alarm = alarms.get(i); |
| if (alarm.matches(operation, listener)) { |
| alarms.remove(i); |
| didRemove = true; |
| if (alarm.alarmClock != null) { |
| mNextAlarmClockMayChange = true; |
| } |
| } else { |
| if (alarm.whenElapsed > newStart) { |
| newStart = alarm.whenElapsed; |
| } |
| if (alarm.maxWhenElapsed < newEnd) { |
| newEnd = alarm.maxWhenElapsed; |
| } |
| newFlags |= alarm.flags; |
| i++; |
| } |
| } |
| if (didRemove) { |
| // commit the new batch bounds |
| start = newStart; |
| end = newEnd; |
| flags = newFlags; |
| } |
| return didRemove; |
| } |
| |
| boolean remove(final String packageName) { |
| if (packageName == null) { |
| if (localLOGV) { |
| Slog.w(TAG, "requested remove() of null packageName", |
| new RuntimeException("here")); |
| } |
| return false; |
| } |
| boolean didRemove = false; |
| long newStart = 0; // recalculate endpoints as we go |
| long newEnd = Long.MAX_VALUE; |
| int newFlags = 0; |
| for (int i = alarms.size()-1; i >= 0; i--) { |
| Alarm alarm = alarms.get(i); |
| if (alarm.matches(packageName)) { |
| alarms.remove(i); |
| didRemove = true; |
| if (alarm.alarmClock != null) { |
| mNextAlarmClockMayChange = true; |
| } |
| } else { |
| if (alarm.whenElapsed > newStart) { |
| newStart = alarm.whenElapsed; |
| } |
| if (alarm.maxWhenElapsed < newEnd) { |
| newEnd = alarm.maxWhenElapsed; |
| } |
| newFlags |= alarm.flags; |
| } |
| } |
| if (didRemove) { |
| // commit the new batch bounds |
| start = newStart; |
| end = newEnd; |
| flags = newFlags; |
| } |
| return didRemove; |
| } |
| |
| boolean removeForStopped(final int uid) { |
| boolean didRemove = false; |
| long newStart = 0; // recalculate endpoints as we go |
| long newEnd = Long.MAX_VALUE; |
| int newFlags = 0; |
| for (int i = alarms.size()-1; i >= 0; i--) { |
| Alarm alarm = alarms.get(i); |
| try { |
| if (alarm.uid == uid && ActivityManager.getService().isAppStartModeDisabled( |
| uid, alarm.packageName)) { |
| alarms.remove(i); |
| didRemove = true; |
| if (alarm.alarmClock != null) { |
| mNextAlarmClockMayChange = true; |
| } |
| } else { |
| if (alarm.whenElapsed > newStart) { |
| newStart = alarm.whenElapsed; |
| } |
| if (alarm.maxWhenElapsed < newEnd) { |
| newEnd = alarm.maxWhenElapsed; |
| } |
| newFlags |= alarm.flags; |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| if (didRemove) { |
| // commit the new batch bounds |
| start = newStart; |
| end = newEnd; |
| flags = newFlags; |
| } |
| return didRemove; |
| } |
| |
| boolean remove(final int userHandle) { |
| boolean didRemove = false; |
| long newStart = 0; // recalculate endpoints as we go |
| long newEnd = Long.MAX_VALUE; |
| for (int i = 0; i < alarms.size(); ) { |
| Alarm alarm = alarms.get(i); |
| if (UserHandle.getUserId(alarm.creatorUid) == userHandle) { |
| alarms.remove(i); |
| didRemove = true; |
| if (alarm.alarmClock != null) { |
| mNextAlarmClockMayChange = true; |
| } |
| } else { |
| if (alarm.whenElapsed > newStart) { |
| newStart = alarm.whenElapsed; |
| } |
| if (alarm.maxWhenElapsed < newEnd) { |
| newEnd = alarm.maxWhenElapsed; |
| } |
| i++; |
| } |
| } |
| if (didRemove) { |
| // commit the new batch bounds |
| start = newStart; |
| end = newEnd; |
| } |
| return didRemove; |
| } |
| |
| boolean hasPackage(final String packageName) { |
| final int N = alarms.size(); |
| for (int i = 0; i < N; i++) { |
| Alarm a = alarms.get(i); |
| if (a.matches(packageName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean hasWakeups() { |
| final int N = alarms.size(); |
| for (int i = 0; i < N; i++) { |
| Alarm a = alarms.get(i); |
| // non-wakeup alarms are types 1 and 3, i.e. have the low bit set |
| if ((a.type & TYPE_NONWAKEUP_MASK) == 0) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder b = new StringBuilder(40); |
| b.append("Batch{"); b.append(Integer.toHexString(this.hashCode())); |
| b.append(" num="); b.append(size()); |
| b.append(" start="); b.append(start); |
| b.append(" end="); b.append(end); |
| if (flags != 0) { |
| b.append(" flgs=0x"); |
| b.append(Integer.toHexString(flags)); |
| } |
| b.append('}'); |
| return b.toString(); |
| } |
| } |
| |
| static class BatchTimeOrder implements Comparator<Batch> { |
| public int compare(Batch b1, Batch b2) { |
| long when1 = b1.start; |
| long when2 = b2.start; |
| if (when1 > when2) { |
| return 1; |
| } |
| if (when1 < when2) { |
| return -1; |
| } |
| return 0; |
| } |
| } |
| |
| final Comparator<Alarm> mAlarmDispatchComparator = new Comparator<Alarm>() { |
| @Override |
| public int compare(Alarm lhs, Alarm rhs) { |
| // priority class trumps everything. TICK < WAKEUP < NORMAL |
| if (lhs.priorityClass.priority < rhs.priorityClass.priority) { |
| return -1; |
| } else if (lhs.priorityClass.priority > rhs.priorityClass.priority) { |
| return 1; |
| } |
| |
| // within each class, sort by nominal delivery time |
| if (lhs.whenElapsed < rhs.whenElapsed) { |
| return -1; |
| } else if (lhs.whenElapsed > rhs.whenElapsed) { |
| return 1; |
| } |
| |
| // same priority class + same target delivery time |
| return 0; |
| } |
| }; |
| |
| void calculateDeliveryPriorities(ArrayList<Alarm> alarms) { |
| final int N = alarms.size(); |
| for (int i = 0; i < N; i++) { |
| Alarm a = alarms.get(i); |
| |
| final int alarmPrio; |
| if (a.operation != null |
| && Intent.ACTION_TIME_TICK.equals(a.operation.getIntent().getAction())) { |
| alarmPrio = PRIO_TICK; |
| } else if (a.wakeup) { |
| alarmPrio = PRIO_WAKEUP; |
| } else { |
| alarmPrio = PRIO_NORMAL; |
| } |
| |
| PriorityClass packagePrio = a.priorityClass; |
| String alarmPackage = (a.operation != null) |
| ? a.operation.getCreatorPackage() |
| : a.packageName; |
| if (packagePrio == null) packagePrio = mPriorities.get(alarmPackage); |
| if (packagePrio == null) { |
| packagePrio = a.priorityClass = new PriorityClass(); // lowest prio & stale sequence |
| mPriorities.put(alarmPackage, packagePrio); |
| } |
| a.priorityClass = packagePrio; |
| |
| if (packagePrio.seq != mCurrentSeq) { |
| // first alarm we've seen in the current delivery generation from this package |
| packagePrio.priority = alarmPrio; |
| packagePrio.seq = mCurrentSeq; |
| } else { |
| // Multiple alarms from this package being delivered in this generation; |
| // bump the package's delivery class if it's warranted. |
| // TICK < WAKEUP < NORMAL |
| if (alarmPrio < packagePrio.priority) { |
| packagePrio.priority = alarmPrio; |
| } |
| } |
| } |
| } |
| |
| // minimum recurrence period or alarm futurity for us to be able to fuzz it |
| static final long MIN_FUZZABLE_INTERVAL = 10000; |
| static final BatchTimeOrder sBatchOrder = new BatchTimeOrder(); |
| final ArrayList<Batch> mAlarmBatches = new ArrayList<>(); |
| |
| // set to null if in idle mode; while in this mode, any alarms we don't want |
| // to run during this time are placed in mPendingWhileIdleAlarms |
| Alarm mPendingIdleUntil = null; |
| Alarm mNextWakeFromIdle = null; |
| ArrayList<Alarm> mPendingWhileIdleAlarms = new ArrayList<>(); |
| |
| public AlarmManagerService(Context context) { |
| super(context); |
| mConstants = new Constants(mHandler); |
| } |
| |
| static long convertToElapsed(long when, int type) { |
| final boolean isRtc = (type == RTC || type == RTC_WAKEUP); |
| if (isRtc) { |
| when -= System.currentTimeMillis() - SystemClock.elapsedRealtime(); |
| } |
| return when; |
| } |
| |
| // Apply a heuristic to { recurrence interval, futurity of the trigger time } to |
| // calculate the end of our nominal delivery window for the alarm. |
| static long maxTriggerTime(long now, long triggerAtTime, long interval) { |
| // Current heuristic: batchable window is 75% of either the recurrence interval |
| // [for a periodic alarm] or of the time from now to the desired delivery time, |
| // with a minimum delay/interval of 10 seconds, under which we will simply not |
| // defer the alarm. |
| long futurity = (interval == 0) |
| ? (triggerAtTime - now) |
| : interval; |
| if (futurity < MIN_FUZZABLE_INTERVAL) { |
| futurity = 0; |
| } |
| return triggerAtTime + (long)(.75 * futurity); |
| } |
| |
| // returns true if the batch was added at the head |
| static boolean addBatchLocked(ArrayList<Batch> list, Batch newBatch) { |
| int index = Collections.binarySearch(list, newBatch, sBatchOrder); |
| if (index < 0) { |
| index = 0 - index - 1; |
| } |
| list.add(index, newBatch); |
| return (index == 0); |
| } |
| |
| // Return the index of the matching batch, or -1 if none found. |
| int attemptCoalesceLocked(long whenElapsed, long maxWhen) { |
| final int N = mAlarmBatches.size(); |
| for (int i = 0; i < N; i++) { |
| Batch b = mAlarmBatches.get(i); |
| if ((b.flags&AlarmManager.FLAG_STANDALONE) == 0 && b.canHold(whenElapsed, maxWhen)) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| // The RTC clock has moved arbitrarily, so we need to recalculate all the batching |
| void rebatchAllAlarms() { |
| synchronized (mLock) { |
| rebatchAllAlarmsLocked(true); |
| } |
| } |
| |
| void rebatchAllAlarmsLocked(boolean doValidate) { |
| ArrayList<Batch> oldSet = (ArrayList<Batch>) mAlarmBatches.clone(); |
| mAlarmBatches.clear(); |
| Alarm oldPendingIdleUntil = mPendingIdleUntil; |
| final long nowElapsed = SystemClock.elapsedRealtime(); |
| final int oldBatches = oldSet.size(); |
| for (int batchNum = 0; batchNum < oldBatches; batchNum++) { |
| Batch batch = oldSet.get(batchNum); |
| final int N = batch.size(); |
| for (int i = 0; i < N; i++) { |
| reAddAlarmLocked(batch.get(i), nowElapsed, doValidate); |
| } |
| } |
| if (oldPendingIdleUntil != null && oldPendingIdleUntil != mPendingIdleUntil) { |
| Slog.wtf(TAG, "Rebatching: idle until changed from " + oldPendingIdleUntil |
| + " to " + mPendingIdleUntil); |
| if (mPendingIdleUntil == null) { |
| // Somehow we lost this... we need to restore all of the pending alarms. |
| restorePendingWhileIdleAlarmsLocked(); |
| } |
| } |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| } |
| |
| void reAddAlarmLocked(Alarm a, long nowElapsed, boolean doValidate) { |
| a.when = a.origWhen; |
| long whenElapsed = convertToElapsed(a.when, a.type); |
| final long maxElapsed; |
| if (a.windowLength == AlarmManager.WINDOW_EXACT) { |
| // Exact |
| maxElapsed = whenElapsed; |
| } else { |
| // Not exact. Preserve any explicit window, otherwise recalculate |
| // the window based on the alarm's new futurity. Note that this |
| // reflects a policy of preferring timely to deferred delivery. |
| maxElapsed = (a.windowLength > 0) |
| ? (whenElapsed + a.windowLength) |
| : maxTriggerTime(nowElapsed, whenElapsed, a.repeatInterval); |
| } |
| a.whenElapsed = whenElapsed; |
| a.maxWhenElapsed = maxElapsed; |
| setImplLocked(a, true, doValidate); |
| } |
| |
| void restorePendingWhileIdleAlarmsLocked() { |
| if (RECORD_DEVICE_IDLE_ALARMS) { |
| IdleDispatchEntry ent = new IdleDispatchEntry(); |
| ent.uid = 0; |
| ent.pkg = "FINISH IDLE"; |
| ent.elapsedRealtime = SystemClock.elapsedRealtime(); |
| mAllowWhileIdleDispatches.add(ent); |
| } |
| |
| // Bring pending alarms back into the main list. |
| if (mPendingWhileIdleAlarms.size() > 0) { |
| ArrayList<Alarm> alarms = mPendingWhileIdleAlarms; |
| mPendingWhileIdleAlarms = new ArrayList<>(); |
| final long nowElapsed = SystemClock.elapsedRealtime(); |
| for (int i=alarms.size() - 1; i >= 0; i--) { |
| Alarm a = alarms.get(i); |
| reAddAlarmLocked(a, nowElapsed, false); |
| } |
| } |
| |
| // Make sure we are using the correct ALLOW_WHILE_IDLE min time. |
| mConstants.updateAllowWhileIdleMinTimeLocked(); |
| |
| // Reschedule everything. |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| |
| // And send a TIME_TICK right now, since it is important to get the UI updated. |
| try { |
| mTimeTickSender.send(); |
| } catch (PendingIntent.CanceledException e) { |
| } |
| } |
| |
| static final class InFlight { |
| final PendingIntent mPendingIntent; |
| final IBinder mListener; |
| final WorkSource mWorkSource; |
| final int mUid; |
| final String mTag; |
| final BroadcastStats mBroadcastStats; |
| final FilterStats mFilterStats; |
| final int mAlarmType; |
| |
| InFlight(AlarmManagerService service, PendingIntent pendingIntent, IAlarmListener listener, |
| WorkSource workSource, int uid, String alarmPkg, int alarmType, String tag, |
| long nowELAPSED) { |
| mPendingIntent = pendingIntent; |
| mListener = listener != null ? listener.asBinder() : null; |
| mWorkSource = workSource; |
| mUid = uid; |
| mTag = tag; |
| mBroadcastStats = (pendingIntent != null) |
| ? service.getStatsLocked(pendingIntent) |
| : service.getStatsLocked(uid, alarmPkg); |
| FilterStats fs = mBroadcastStats.filterStats.get(mTag); |
| if (fs == null) { |
| fs = new FilterStats(mBroadcastStats, mTag); |
| mBroadcastStats.filterStats.put(mTag, fs); |
| } |
| fs.lastTime = nowELAPSED; |
| mFilterStats = fs; |
| mAlarmType = alarmType; |
| } |
| |
| @Override |
| public String toString() { |
| return "InFlight{" |
| + "pendingIntent=" + mPendingIntent |
| + ", workSource=" + mWorkSource |
| + ", uid=" + mUid |
| + ", tag=" + mTag |
| + ", broadcastStats=" + mBroadcastStats |
| + ", filterStats=" + mFilterStats |
| + ", alarmType=" + mAlarmType |
| + "}"; |
| } |
| } |
| |
| static final class FilterStats { |
| final BroadcastStats mBroadcastStats; |
| final String mTag; |
| |
| long lastTime; |
| long aggregateTime; |
| int count; |
| int numWakeup; |
| long startTime; |
| int nesting; |
| |
| FilterStats(BroadcastStats broadcastStats, String tag) { |
| mBroadcastStats = broadcastStats; |
| mTag = tag; |
| } |
| |
| @Override |
| public String toString() { |
| return "FilterStats{" |
| + "tag=" + mTag |
| + ", lastTime=" + lastTime |
| + ", aggregateTime=" + aggregateTime |
| + ", count=" + count |
| + ", numWakeup=" + numWakeup |
| + ", startTime=" + startTime |
| + ", nesting=" + nesting |
| + "}"; |
| } |
| } |
| |
| static final class BroadcastStats { |
| final int mUid; |
| final String mPackageName; |
| |
| long aggregateTime; |
| int count; |
| int numWakeup; |
| long startTime; |
| int nesting; |
| final ArrayMap<String, FilterStats> filterStats = new ArrayMap<String, FilterStats>(); |
| |
| BroadcastStats(int uid, String packageName) { |
| mUid = uid; |
| mPackageName = packageName; |
| } |
| |
| @Override |
| public String toString() { |
| return "BroadcastStats{" |
| + "uid=" + mUid |
| + ", packageName=" + mPackageName |
| + ", aggregateTime=" + aggregateTime |
| + ", count=" + count |
| + ", numWakeup=" + numWakeup |
| + ", startTime=" + startTime |
| + ", nesting=" + nesting |
| + "}"; |
| } |
| } |
| |
| final SparseArray<ArrayMap<String, BroadcastStats>> mBroadcastStats |
| = new SparseArray<ArrayMap<String, BroadcastStats>>(); |
| |
| int mNumDelayedAlarms = 0; |
| long mTotalDelayTime = 0; |
| long mMaxDelayTime = 0; |
| |
| @Override |
| public void onStart() { |
| mNativeData = init(); |
| mNextWakeup = mNextNonWakeup = 0; |
| |
| // We have to set current TimeZone info to kernel |
| // because kernel doesn't keep this after reboot |
| setTimeZoneImpl(SystemProperties.get(TIMEZONE_PROPERTY)); |
| |
| PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE); |
| mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "*alarm*"); |
| |
| mTimeTickSender = PendingIntent.getBroadcastAsUser(getContext(), 0, |
| new Intent(Intent.ACTION_TIME_TICK).addFlags( |
| Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND), 0, |
| UserHandle.ALL); |
| Intent intent = new Intent(Intent.ACTION_DATE_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| mDateChangeSender = PendingIntent.getBroadcastAsUser(getContext(), 0, intent, |
| Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT, UserHandle.ALL); |
| |
| // now that we have initied the driver schedule the alarm |
| mClockReceiver = new ClockReceiver(); |
| mClockReceiver.scheduleTimeTickEvent(); |
| mClockReceiver.scheduleDateChangedEvent(); |
| mInteractiveStateReceiver = new InteractiveStateReceiver(); |
| mUninstallReceiver = new UninstallReceiver(); |
| |
| if (mNativeData != 0) { |
| AlarmThread waitThread = new AlarmThread(); |
| waitThread.start(); |
| } else { |
| Slog.w(TAG, "Failed to open alarm driver. Falling back to a handler."); |
| } |
| |
| try { |
| ActivityManager.getService().registerUidObserver(new UidObserver(), |
| ActivityManager.UID_OBSERVER_IDLE, ActivityManager.PROCESS_STATE_UNKNOWN, null); |
| } catch (RemoteException e) { |
| // ignored; both services live in system_server |
| } |
| |
| publishBinderService(Context.ALARM_SERVICE, mService); |
| publishLocalService(LocalService.class, new LocalService()); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == PHASE_SYSTEM_SERVICES_READY) { |
| mConstants.start(getContext().getContentResolver()); |
| mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE); |
| mLocalDeviceIdleController |
| = LocalServices.getService(DeviceIdleController.LocalService.class); |
| } |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| close(mNativeData); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| void setTimeZoneImpl(String tz) { |
| if (TextUtils.isEmpty(tz)) { |
| return; |
| } |
| |
| TimeZone zone = TimeZone.getTimeZone(tz); |
| // Prevent reentrant calls from stepping on each other when writing |
| // the time zone property |
| boolean timeZoneWasChanged = false; |
| synchronized (this) { |
| String current = SystemProperties.get(TIMEZONE_PROPERTY); |
| if (current == null || !current.equals(zone.getID())) { |
| if (localLOGV) { |
| Slog.v(TAG, "timezone changed: " + current + ", new=" + zone.getID()); |
| } |
| timeZoneWasChanged = true; |
| SystemProperties.set(TIMEZONE_PROPERTY, zone.getID()); |
| } |
| |
| // Update the kernel timezone information |
| // Kernel tracks time offsets as 'minutes west of GMT' |
| int gmtOffset = zone.getOffset(System.currentTimeMillis()); |
| setKernelTimezone(mNativeData, -(gmtOffset / 60000)); |
| } |
| |
| TimeZone.setDefault(null); |
| |
| if (timeZoneWasChanged) { |
| Intent intent = new Intent(Intent.ACTION_TIMEZONE_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| intent.putExtra("time-zone", zone.getID()); |
| getContext().sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| } |
| |
| void removeImpl(PendingIntent operation) { |
| if (operation == null) { |
| return; |
| } |
| synchronized (mLock) { |
| removeLocked(operation, null); |
| } |
| } |
| |
| void setImpl(int type, long triggerAtTime, long windowLength, long interval, |
| PendingIntent operation, IAlarmListener directReceiver, String listenerTag, |
| int flags, WorkSource workSource, AlarmManager.AlarmClockInfo alarmClock, |
| int callingUid, String callingPackage) { |
| // must be *either* PendingIntent or AlarmReceiver, but not both |
| if ((operation == null && directReceiver == null) |
| || (operation != null && directReceiver != null)) { |
| Slog.w(TAG, "Alarms must either supply a PendingIntent or an AlarmReceiver"); |
| // NB: previous releases failed silently here, so we are continuing to do the same |
| // rather than throw an IllegalArgumentException. |
| return; |
| } |
| |
| // Sanity check the window length. This will catch people mistakenly |
| // trying to pass an end-of-window timestamp rather than a duration. |
| if (windowLength > AlarmManager.INTERVAL_HALF_DAY) { |
| Slog.w(TAG, "Window length " + windowLength |
| + "ms suspiciously long; limiting to 1 hour"); |
| windowLength = AlarmManager.INTERVAL_HOUR; |
| } |
| |
| // Sanity check the recurrence interval. This will catch people who supply |
| // seconds when the API expects milliseconds. |
| final long minInterval = mConstants.MIN_INTERVAL; |
| if (interval > 0 && interval < minInterval) { |
| Slog.w(TAG, "Suspiciously short interval " + interval |
| + " millis; expanding to " + (minInterval/1000) |
| + " seconds"); |
| interval = minInterval; |
| } |
| |
| if (type < RTC_WAKEUP || type > ELAPSED_REALTIME) { |
| throw new IllegalArgumentException("Invalid alarm type " + type); |
| } |
| |
| if (triggerAtTime < 0) { |
| final long what = Binder.getCallingPid(); |
| Slog.w(TAG, "Invalid alarm trigger time! " + triggerAtTime + " from uid=" + callingUid |
| + " pid=" + what); |
| triggerAtTime = 0; |
| } |
| |
| final long nowElapsed = SystemClock.elapsedRealtime(); |
| final long nominalTrigger = convertToElapsed(triggerAtTime, type); |
| // Try to prevent spamming by making sure we aren't firing alarms in the immediate future |
| final long minTrigger = nowElapsed + mConstants.MIN_FUTURITY; |
| final long triggerElapsed = (nominalTrigger > minTrigger) ? nominalTrigger : minTrigger; |
| |
| final long maxElapsed; |
| if (windowLength == AlarmManager.WINDOW_EXACT) { |
| maxElapsed = triggerElapsed; |
| } else if (windowLength < 0) { |
| maxElapsed = maxTriggerTime(nowElapsed, triggerElapsed, interval); |
| // Fix this window in place, so that as time approaches we don't collapse it. |
| windowLength = maxElapsed - triggerElapsed; |
| } else { |
| maxElapsed = triggerElapsed + windowLength; |
| } |
| |
| synchronized (mLock) { |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "set(" + operation + ") : type=" + type |
| + " triggerAtTime=" + triggerAtTime + " win=" + windowLength |
| + " tElapsed=" + triggerElapsed + " maxElapsed=" + maxElapsed |
| + " interval=" + interval + " flags=0x" + Integer.toHexString(flags)); |
| } |
| setImplLocked(type, triggerAtTime, triggerElapsed, windowLength, maxElapsed, |
| interval, operation, directReceiver, listenerTag, flags, true, workSource, |
| alarmClock, callingUid, callingPackage); |
| } |
| } |
| |
| private void setImplLocked(int type, long when, long whenElapsed, long windowLength, |
| long maxWhen, long interval, PendingIntent operation, IAlarmListener directReceiver, |
| String listenerTag, int flags, boolean doValidate, WorkSource workSource, |
| AlarmManager.AlarmClockInfo alarmClock, int callingUid, String callingPackage) { |
| Alarm a = new Alarm(type, when, whenElapsed, windowLength, maxWhen, interval, |
| operation, directReceiver, listenerTag, workSource, flags, alarmClock, |
| callingUid, callingPackage); |
| try { |
| if (ActivityManager.getService().isAppStartModeDisabled(callingUid, callingPackage)) { |
| Slog.w(TAG, "Not setting alarm from " + callingUid + ":" + a |
| + " -- package not allowed to start"); |
| return; |
| } |
| } catch (RemoteException e) { |
| } |
| removeLocked(operation, directReceiver); |
| setImplLocked(a, false, doValidate); |
| } |
| |
| private void setImplLocked(Alarm a, boolean rebatching, boolean doValidate) { |
| if ((a.flags&AlarmManager.FLAG_IDLE_UNTIL) != 0) { |
| // This is a special alarm that will put the system into idle until it goes off. |
| // The caller has given the time they want this to happen at, however we need |
| // to pull that earlier if there are existing alarms that have requested to |
| // bring us out of idle at an earlier time. |
| if (mNextWakeFromIdle != null && a.whenElapsed > mNextWakeFromIdle.whenElapsed) { |
| a.when = a.whenElapsed = a.maxWhenElapsed = mNextWakeFromIdle.whenElapsed; |
| } |
| // Add fuzz to make the alarm go off some time before the actual desired time. |
| final long nowElapsed = SystemClock.elapsedRealtime(); |
| final int fuzz = fuzzForDuration(a.whenElapsed-nowElapsed); |
| if (fuzz > 0) { |
| if (mRandom == null) { |
| mRandom = new Random(); |
| } |
| final int delta = mRandom.nextInt(fuzz); |
| a.whenElapsed -= delta; |
| if (false) { |
| Slog.d(TAG, "Alarm when: " + a.whenElapsed); |
| Slog.d(TAG, "Delta until alarm: " + (a.whenElapsed-nowElapsed)); |
| Slog.d(TAG, "Applied fuzz: " + fuzz); |
| Slog.d(TAG, "Final delta: " + delta); |
| Slog.d(TAG, "Final when: " + a.whenElapsed); |
| } |
| a.when = a.maxWhenElapsed = a.whenElapsed; |
| } |
| |
| } else if (mPendingIdleUntil != null) { |
| // We currently have an idle until alarm scheduled; if the new alarm has |
| // not explicitly stated it wants to run while idle, then put it on hold. |
| if ((a.flags&(AlarmManager.FLAG_ALLOW_WHILE_IDLE |
| | AlarmManager.FLAG_ALLOW_WHILE_IDLE_UNRESTRICTED |
| | AlarmManager.FLAG_WAKE_FROM_IDLE)) |
| == 0) { |
| mPendingWhileIdleAlarms.add(a); |
| return; |
| } |
| } |
| |
| if (RECORD_DEVICE_IDLE_ALARMS) { |
| if ((a.flags & AlarmManager.FLAG_ALLOW_WHILE_IDLE) != 0) { |
| IdleDispatchEntry ent = new IdleDispatchEntry(); |
| ent.uid = a.uid; |
| ent.pkg = a.operation.getCreatorPackage(); |
| ent.tag = a.operation.getTag(""); |
| ent.op = "SET"; |
| ent.elapsedRealtime = SystemClock.elapsedRealtime(); |
| ent.argRealtime = a.whenElapsed; |
| mAllowWhileIdleDispatches.add(ent); |
| } |
| } |
| |
| int whichBatch = ((a.flags&AlarmManager.FLAG_STANDALONE) != 0) |
| ? -1 : attemptCoalesceLocked(a.whenElapsed, a.maxWhenElapsed); |
| if (whichBatch < 0) { |
| Batch batch = new Batch(a); |
| addBatchLocked(mAlarmBatches, batch); |
| } else { |
| Batch batch = mAlarmBatches.get(whichBatch); |
| if (batch.add(a)) { |
| // The start time of this batch advanced, so batch ordering may |
| // have just been broken. Move it to where it now belongs. |
| mAlarmBatches.remove(whichBatch); |
| addBatchLocked(mAlarmBatches, batch); |
| } |
| } |
| |
| if (a.alarmClock != null) { |
| mNextAlarmClockMayChange = true; |
| } |
| |
| boolean needRebatch = false; |
| |
| if ((a.flags&AlarmManager.FLAG_IDLE_UNTIL) != 0) { |
| if (RECORD_DEVICE_IDLE_ALARMS) { |
| if (mPendingIdleUntil == null) { |
| IdleDispatchEntry ent = new IdleDispatchEntry(); |
| ent.uid = 0; |
| ent.pkg = "START IDLE"; |
| ent.elapsedRealtime = SystemClock.elapsedRealtime(); |
| mAllowWhileIdleDispatches.add(ent); |
| } |
| } |
| mPendingIdleUntil = a; |
| mConstants.updateAllowWhileIdleMinTimeLocked(); |
| needRebatch = true; |
| } else if ((a.flags&AlarmManager.FLAG_WAKE_FROM_IDLE) != 0) { |
| if (mNextWakeFromIdle == null || mNextWakeFromIdle.whenElapsed > a.whenElapsed) { |
| mNextWakeFromIdle = a; |
| // If this wake from idle is earlier than whatever was previously scheduled, |
| // and we are currently idling, then we need to rebatch alarms in case the idle |
| // until time needs to be updated. |
| if (mPendingIdleUntil != null) { |
| needRebatch = true; |
| } |
| } |
| } |
| |
| if (!rebatching) { |
| if (DEBUG_VALIDATE) { |
| if (doValidate && !validateConsistencyLocked()) { |
| Slog.v(TAG, "Tipping-point operation: type=" + a.type + " when=" + a.when |
| + " when(hex)=" + Long.toHexString(a.when) |
| + " whenElapsed=" + a.whenElapsed |
| + " maxWhenElapsed=" + a.maxWhenElapsed |
| + " interval=" + a.repeatInterval + " op=" + a.operation |
| + " flags=0x" + Integer.toHexString(a.flags)); |
| rebatchAllAlarmsLocked(false); |
| needRebatch = false; |
| } |
| } |
| |
| if (needRebatch) { |
| rebatchAllAlarmsLocked(false); |
| } |
| |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| } |
| } |
| |
| private final IBinder mService = new IAlarmManager.Stub() { |
| @Override |
| public void set(String callingPackage, |
| int type, long triggerAtTime, long windowLength, long interval, int flags, |
| PendingIntent operation, IAlarmListener directReceiver, String listenerTag, |
| WorkSource workSource, AlarmManager.AlarmClockInfo alarmClock) { |
| final int callingUid = Binder.getCallingUid(); |
| |
| // make sure the caller is not lying about which package should be blamed for |
| // wakelock time spent in alarm delivery |
| mAppOps.checkPackage(callingUid, callingPackage); |
| |
| // Repeating alarms must use PendingIntent, not direct listener |
| if (interval != 0) { |
| if (directReceiver != null) { |
| throw new IllegalArgumentException("Repeating alarms cannot use AlarmReceivers"); |
| } |
| } |
| |
| if (workSource != null) { |
| getContext().enforcePermission( |
| android.Manifest.permission.UPDATE_DEVICE_STATS, |
| Binder.getCallingPid(), callingUid, "AlarmManager.set"); |
| } |
| |
| // No incoming callers can request either WAKE_FROM_IDLE or |
| // ALLOW_WHILE_IDLE_UNRESTRICTED -- we will apply those later as appropriate. |
| flags &= ~(AlarmManager.FLAG_WAKE_FROM_IDLE |
| | AlarmManager.FLAG_ALLOW_WHILE_IDLE_UNRESTRICTED); |
| |
| // Only the system can use FLAG_IDLE_UNTIL -- this is used to tell the alarm |
| // manager when to come out of idle mode, which is only for DeviceIdleController. |
| if (callingUid != Process.SYSTEM_UID) { |
| flags &= ~AlarmManager.FLAG_IDLE_UNTIL; |
| } |
| |
| // If this is an exact time alarm, then it can't be batched with other alarms. |
| if (windowLength == AlarmManager.WINDOW_EXACT) { |
| flags |= AlarmManager.FLAG_STANDALONE; |
| } |
| |
| // If this alarm is for an alarm clock, then it must be standalone and we will |
| // use it to wake early from idle if needed. |
| if (alarmClock != null) { |
| flags |= AlarmManager.FLAG_WAKE_FROM_IDLE | AlarmManager.FLAG_STANDALONE; |
| |
| // If the caller is a core system component or on the user's whitelist, and not calling |
| // to do work on behalf of someone else, then always set ALLOW_WHILE_IDLE_UNRESTRICTED. |
| // This means we will allow these alarms to go off as normal even while idle, with no |
| // timing restrictions. |
| } else if (workSource == null && (callingUid < Process.FIRST_APPLICATION_UID |
| || Arrays.binarySearch(mDeviceIdleUserWhitelist, |
| UserHandle.getAppId(callingUid)) >= 0)) { |
| flags |= AlarmManager.FLAG_ALLOW_WHILE_IDLE_UNRESTRICTED; |
| flags &= ~AlarmManager.FLAG_ALLOW_WHILE_IDLE; |
| } |
| |
| setImpl(type, triggerAtTime, windowLength, interval, operation, directReceiver, |
| listenerTag, flags, workSource, alarmClock, callingUid, callingPackage); |
| } |
| |
| @Override |
| public boolean setTime(long millis) { |
| getContext().enforceCallingOrSelfPermission( |
| "android.permission.SET_TIME", |
| "setTime"); |
| |
| if (mNativeData == 0) { |
| Slog.w(TAG, "Not setting time since no alarm driver is available."); |
| return false; |
| } |
| |
| synchronized (mLock) { |
| return setKernelTime(mNativeData, millis) == 0; |
| } |
| } |
| |
| @Override |
| public void setTimeZone(String tz) { |
| getContext().enforceCallingOrSelfPermission( |
| "android.permission.SET_TIME_ZONE", |
| "setTimeZone"); |
| |
| final long oldId = Binder.clearCallingIdentity(); |
| try { |
| setTimeZoneImpl(tz); |
| } finally { |
| Binder.restoreCallingIdentity(oldId); |
| } |
| } |
| |
| @Override |
| public void remove(PendingIntent operation, IAlarmListener listener) { |
| if (operation == null && listener == null) { |
| Slog.w(TAG, "remove() with no intent or listener"); |
| return; |
| } |
| |
| synchronized (mLock) { |
| removeLocked(operation, listener); |
| } |
| } |
| |
| @Override |
| public long getNextWakeFromIdleTime() { |
| return getNextWakeFromIdleTimeImpl(); |
| } |
| |
| @Override |
| public AlarmManager.AlarmClockInfo getNextAlarmClock(int userId) { |
| userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, false /* allowAll */, false /* requireFull */, |
| "getNextAlarmClock", null); |
| |
| return getNextAlarmClockImpl(userId); |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump AlarmManager from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| dumpImpl(pw); |
| } |
| }; |
| |
| public final class LocalService { |
| public void setDeviceIdleUserWhitelist(int[] appids) { |
| setDeviceIdleUserWhitelistImpl(appids); |
| } |
| } |
| |
| void dumpImpl(PrintWriter pw) { |
| synchronized (mLock) { |
| pw.println("Current Alarm Manager state:"); |
| mConstants.dump(pw); |
| pw.println(); |
| |
| final long nowRTC = System.currentTimeMillis(); |
| final long nowELAPSED = SystemClock.elapsedRealtime(); |
| SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
| |
| pw.print(" nowRTC="); pw.print(nowRTC); |
| pw.print("="); pw.print(sdf.format(new Date(nowRTC))); |
| pw.print(" nowELAPSED="); pw.print(nowELAPSED); |
| pw.println(); |
| pw.print(" mLastTimeChangeClockTime="); pw.print(mLastTimeChangeClockTime); |
| pw.print("="); pw.println(sdf.format(new Date(mLastTimeChangeClockTime))); |
| pw.print(" mLastTimeChangeRealtime="); |
| TimeUtils.formatDuration(mLastTimeChangeRealtime, pw); |
| pw.println(); |
| if (!mInteractive) { |
| pw.print(" Time since non-interactive: "); |
| TimeUtils.formatDuration(nowELAPSED - mNonInteractiveStartTime, pw); |
| pw.println(); |
| pw.print(" Max wakeup delay: "); |
| TimeUtils.formatDuration(currentNonWakeupFuzzLocked(nowELAPSED), pw); |
| pw.println(); |
| pw.print(" Time since last dispatch: "); |
| TimeUtils.formatDuration(nowELAPSED - mLastAlarmDeliveryTime, pw); |
| pw.println(); |
| pw.print(" Next non-wakeup delivery time: "); |
| TimeUtils.formatDuration(nowELAPSED - mNextNonWakeupDeliveryTime, pw); |
| pw.println(); |
| } |
| |
| long nextWakeupRTC = mNextWakeup + (nowRTC - nowELAPSED); |
| long nextNonWakeupRTC = mNextNonWakeup + (nowRTC - nowELAPSED); |
| pw.print(" Next non-wakeup alarm: "); |
| TimeUtils.formatDuration(mNextNonWakeup, nowELAPSED, pw); |
| pw.print(" = "); pw.println(sdf.format(new Date(nextNonWakeupRTC))); |
| pw.print(" Next wakeup: "); TimeUtils.formatDuration(mNextWakeup, nowELAPSED, pw); |
| pw.print(" = "); pw.println(sdf.format(new Date(nextWakeupRTC))); |
| pw.print(" Last wakeup: "); TimeUtils.formatDuration(mLastWakeup, nowELAPSED, pw); |
| pw.print(" set at "); TimeUtils.formatDuration(mLastWakeupSet, nowELAPSED, pw); |
| pw.println(); |
| pw.print(" Num time change events: "); pw.println(mNumTimeChanged); |
| pw.println(" mDeviceIdleUserWhitelist=" + Arrays.toString(mDeviceIdleUserWhitelist)); |
| |
| pw.println(); |
| pw.println(" Next alarm clock information: "); |
| final TreeSet<Integer> users = new TreeSet<>(); |
| for (int i = 0; i < mNextAlarmClockForUser.size(); i++) { |
| users.add(mNextAlarmClockForUser.keyAt(i)); |
| } |
| for (int i = 0; i < mPendingSendNextAlarmClockChangedForUser.size(); i++) { |
| users.add(mPendingSendNextAlarmClockChangedForUser.keyAt(i)); |
| } |
| for (int user : users) { |
| final AlarmManager.AlarmClockInfo next = mNextAlarmClockForUser.get(user); |
| final long time = next != null ? next.getTriggerTime() : 0; |
| final boolean pendingSend = mPendingSendNextAlarmClockChangedForUser.get(user); |
| pw.print(" user:"); pw.print(user); |
| pw.print(" pendingSend:"); pw.print(pendingSend); |
| pw.print(" time:"); pw.print(time); |
| if (time > 0) { |
| pw.print(" = "); pw.print(sdf.format(new Date(time))); |
| pw.print(" = "); TimeUtils.formatDuration(time, nowRTC, pw); |
| } |
| pw.println(); |
| } |
| if (mAlarmBatches.size() > 0) { |
| pw.println(); |
| pw.print(" Pending alarm batches: "); |
| pw.println(mAlarmBatches.size()); |
| for (Batch b : mAlarmBatches) { |
| pw.print(b); pw.println(':'); |
| dumpAlarmList(pw, b.alarms, " ", nowELAPSED, nowRTC, sdf); |
| } |
| } |
| if (mPendingIdleUntil != null || mPendingWhileIdleAlarms.size() > 0) { |
| pw.println(); |
| pw.println(" Idle mode state:"); |
| pw.print(" Idling until: "); |
| if (mPendingIdleUntil != null) { |
| pw.println(mPendingIdleUntil); |
| mPendingIdleUntil.dump(pw, " ", nowRTC, nowELAPSED, sdf); |
| } else { |
| pw.println("null"); |
| } |
| pw.println(" Pending alarms:"); |
| dumpAlarmList(pw, mPendingWhileIdleAlarms, " ", nowELAPSED, nowRTC, sdf); |
| } |
| if (mNextWakeFromIdle != null) { |
| pw.println(); |
| pw.print(" Next wake from idle: "); pw.println(mNextWakeFromIdle); |
| mNextWakeFromIdle.dump(pw, " ", nowRTC, nowELAPSED, sdf); |
| } |
| |
| pw.println(); |
| pw.print(" Past-due non-wakeup alarms: "); |
| if (mPendingNonWakeupAlarms.size() > 0) { |
| pw.println(mPendingNonWakeupAlarms.size()); |
| dumpAlarmList(pw, mPendingNonWakeupAlarms, " ", nowELAPSED, nowRTC, sdf); |
| } else { |
| pw.println("(none)"); |
| } |
| pw.print(" Number of delayed alarms: "); pw.print(mNumDelayedAlarms); |
| pw.print(", total delay time: "); TimeUtils.formatDuration(mTotalDelayTime, pw); |
| pw.println(); |
| pw.print(" Max delay time: "); TimeUtils.formatDuration(mMaxDelayTime, pw); |
| pw.print(", max non-interactive time: "); |
| TimeUtils.formatDuration(mNonInteractiveTime, pw); |
| pw.println(); |
| |
| pw.println(); |
| pw.print(" Broadcast ref count: "); pw.println(mBroadcastRefCount); |
| pw.println(); |
| |
| if (mInFlight.size() > 0) { |
| pw.println("Outstanding deliveries:"); |
| for (int i = 0; i < mInFlight.size(); i++) { |
| pw.print(" #"); pw.print(i); pw.print(": "); |
| pw.println(mInFlight.get(i)); |
| } |
| pw.println(); |
| } |
| |
| pw.print(" mAllowWhileIdleMinTime="); |
| TimeUtils.formatDuration(mAllowWhileIdleMinTime, pw); |
| pw.println(); |
| if (mLastAllowWhileIdleDispatch.size() > 0) { |
| pw.println(" Last allow while idle dispatch times:"); |
| for (int i=0; i<mLastAllowWhileIdleDispatch.size(); i++) { |
| pw.print(" UID "); |
| UserHandle.formatUid(pw, mLastAllowWhileIdleDispatch.keyAt(i)); |
| pw.print(": "); |
| TimeUtils.formatDuration(mLastAllowWhileIdleDispatch.valueAt(i), |
| nowELAPSED, pw); |
| pw.println(); |
| } |
| } |
| pw.println(); |
| |
| if (mLog.dump(pw, " Recent problems", " ")) { |
| pw.println(); |
| } |
| |
| final FilterStats[] topFilters = new FilterStats[10]; |
| final Comparator<FilterStats> comparator = new Comparator<FilterStats>() { |
| @Override |
| public int compare(FilterStats lhs, FilterStats rhs) { |
| if (lhs.aggregateTime < rhs.aggregateTime) { |
| return 1; |
| } else if (lhs.aggregateTime > rhs.aggregateTime) { |
| return -1; |
| } |
| return 0; |
| } |
| }; |
| int len = 0; |
| for (int iu=0; iu<mBroadcastStats.size(); iu++) { |
| ArrayMap<String, BroadcastStats> uidStats = mBroadcastStats.valueAt(iu); |
| for (int ip=0; ip<uidStats.size(); ip++) { |
| BroadcastStats bs = uidStats.valueAt(ip); |
| for (int is=0; is<bs.filterStats.size(); is++) { |
| FilterStats fs = bs.filterStats.valueAt(is); |
| int pos = len > 0 |
| ? Arrays.binarySearch(topFilters, 0, len, fs, comparator) : 0; |
| if (pos < 0) { |
| pos = -pos - 1; |
| } |
| if (pos < topFilters.length) { |
| int copylen = topFilters.length - pos - 1; |
| if (copylen > 0) { |
| System.arraycopy(topFilters, pos, topFilters, pos+1, copylen); |
| } |
| topFilters[pos] = fs; |
| if (len < topFilters.length) { |
| len++; |
| } |
| } |
| } |
| } |
| } |
| if (len > 0) { |
| pw.println(" Top Alarms:"); |
| for (int i=0; i<len; i++) { |
| FilterStats fs = topFilters[i]; |
| pw.print(" "); |
| if (fs.nesting > 0) pw.print("*ACTIVE* "); |
| TimeUtils.formatDuration(fs.aggregateTime, pw); |
| pw.print(" running, "); pw.print(fs.numWakeup); |
| pw.print(" wakeups, "); pw.print(fs.count); |
| pw.print(" alarms: "); UserHandle.formatUid(pw, fs.mBroadcastStats.mUid); |
| pw.print(":"); pw.print(fs.mBroadcastStats.mPackageName); |
| pw.println(); |
| pw.print(" "); pw.print(fs.mTag); |
| pw.println(); |
| } |
| } |
| |
| pw.println(" "); |
| pw.println(" Alarm Stats:"); |
| final ArrayList<FilterStats> tmpFilters = new ArrayList<FilterStats>(); |
| for (int iu=0; iu<mBroadcastStats.size(); iu++) { |
| ArrayMap<String, BroadcastStats> uidStats = mBroadcastStats.valueAt(iu); |
| for (int ip=0; ip<uidStats.size(); ip++) { |
| BroadcastStats bs = uidStats.valueAt(ip); |
| pw.print(" "); |
| if (bs.nesting > 0) pw.print("*ACTIVE* "); |
| UserHandle.formatUid(pw, bs.mUid); |
| pw.print(":"); |
| pw.print(bs.mPackageName); |
| pw.print(" "); TimeUtils.formatDuration(bs.aggregateTime, pw); |
| pw.print(" running, "); pw.print(bs.numWakeup); |
| pw.println(" wakeups:"); |
| tmpFilters.clear(); |
| for (int is=0; is<bs.filterStats.size(); is++) { |
| tmpFilters.add(bs.filterStats.valueAt(is)); |
| } |
| Collections.sort(tmpFilters, comparator); |
| for (int i=0; i<tmpFilters.size(); i++) { |
| FilterStats fs = tmpFilters.get(i); |
| pw.print(" "); |
| if (fs.nesting > 0) pw.print("*ACTIVE* "); |
| TimeUtils.formatDuration(fs.aggregateTime, pw); |
| pw.print(" "); pw.print(fs.numWakeup); |
| pw.print(" wakes " ); pw.print(fs.count); |
| pw.print(" alarms, last "); |
| TimeUtils.formatDuration(fs.lastTime, nowELAPSED, pw); |
| pw.println(":"); |
| pw.print(" "); |
| pw.print(fs.mTag); |
| pw.println(); |
| } |
| } |
| } |
| |
| if (RECORD_DEVICE_IDLE_ALARMS) { |
| pw.println(); |
| pw.println(" Allow while idle dispatches:"); |
| for (int i = 0; i < mAllowWhileIdleDispatches.size(); i++) { |
| IdleDispatchEntry ent = mAllowWhileIdleDispatches.get(i); |
| pw.print(" "); |
| TimeUtils.formatDuration(ent.elapsedRealtime, nowELAPSED, pw); |
| pw.print(": "); |
| UserHandle.formatUid(pw, ent.uid); |
| pw.print(":"); |
| pw.println(ent.pkg); |
| if (ent.op != null) { |
| pw.print(" "); |
| pw.print(ent.op); |
| pw.print(" / "); |
| pw.print(ent.tag); |
| if (ent.argRealtime != 0) { |
| pw.print(" ("); |
| TimeUtils.formatDuration(ent.argRealtime, nowELAPSED, pw); |
| pw.print(")"); |
| } |
| pw.println(); |
| } |
| } |
| } |
| |
| if (WAKEUP_STATS) { |
| pw.println(); |
| pw.println(" Recent Wakeup History:"); |
| long last = -1; |
| for (WakeupEvent event : mRecentWakeups) { |
| pw.print(" "); pw.print(sdf.format(new Date(event.when))); |
| pw.print('|'); |
| if (last < 0) { |
| pw.print('0'); |
| } else { |
| pw.print(event.when - last); |
| } |
| last = event.when; |
| pw.print('|'); pw.print(event.uid); |
| pw.print('|'); pw.print(event.action); |
| pw.println(); |
| } |
| pw.println(); |
| } |
| } |
| } |
| |
| private void logBatchesLocked(SimpleDateFormat sdf) { |
| ByteArrayOutputStream bs = new ByteArrayOutputStream(2048); |
| PrintWriter pw = new PrintWriter(bs); |
| final long nowRTC = System.currentTimeMillis(); |
| final long nowELAPSED = SystemClock.elapsedRealtime(); |
| final int NZ = mAlarmBatches.size(); |
| for (int iz = 0; iz < NZ; iz++) { |
| Batch bz = mAlarmBatches.get(iz); |
| pw.append("Batch "); pw.print(iz); pw.append(": "); pw.println(bz); |
| dumpAlarmList(pw, bz.alarms, " ", nowELAPSED, nowRTC, sdf); |
| pw.flush(); |
| Slog.v(TAG, bs.toString()); |
| bs.reset(); |
| } |
| } |
| |
| private boolean validateConsistencyLocked() { |
| if (DEBUG_VALIDATE) { |
| long lastTime = Long.MIN_VALUE; |
| final int N = mAlarmBatches.size(); |
| for (int i = 0; i < N; i++) { |
| Batch b = mAlarmBatches.get(i); |
| if (b.start >= lastTime) { |
| // duplicate start times are okay because of standalone batches |
| lastTime = b.start; |
| } else { |
| Slog.e(TAG, "CONSISTENCY FAILURE: Batch " + i + " is out of order"); |
| SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
| logBatchesLocked(sdf); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| private Batch findFirstWakeupBatchLocked() { |
| final int N = mAlarmBatches.size(); |
| for (int i = 0; i < N; i++) { |
| Batch b = mAlarmBatches.get(i); |
| if (b.hasWakeups()) { |
| return b; |
| } |
| } |
| return null; |
| } |
| |
| long getNextWakeFromIdleTimeImpl() { |
| synchronized (mLock) { |
| return mNextWakeFromIdle != null ? mNextWakeFromIdle.whenElapsed : Long.MAX_VALUE; |
| } |
| } |
| |
| void setDeviceIdleUserWhitelistImpl(int[] appids) { |
| synchronized (mLock) { |
| mDeviceIdleUserWhitelist = appids; |
| } |
| } |
| |
| AlarmManager.AlarmClockInfo getNextAlarmClockImpl(int userId) { |
| synchronized (mLock) { |
| return mNextAlarmClockForUser.get(userId); |
| } |
| } |
| |
| /** |
| * Recomputes the next alarm clock for all users. |
| */ |
| private void updateNextAlarmClockLocked() { |
| if (!mNextAlarmClockMayChange) { |
| return; |
| } |
| mNextAlarmClockMayChange = false; |
| |
| SparseArray<AlarmManager.AlarmClockInfo> nextForUser = mTmpSparseAlarmClockArray; |
| nextForUser.clear(); |
| |
| final int N = mAlarmBatches.size(); |
| for (int i = 0; i < N; i++) { |
| ArrayList<Alarm> alarms = mAlarmBatches.get(i).alarms; |
| final int M = alarms.size(); |
| |
| for (int j = 0; j < M; j++) { |
| Alarm a = alarms.get(j); |
| if (a.alarmClock != null) { |
| final int userId = UserHandle.getUserId(a.uid); |
| AlarmManager.AlarmClockInfo current = mNextAlarmClockForUser.get(userId); |
| |
| if (DEBUG_ALARM_CLOCK) { |
| Log.v(TAG, "Found AlarmClockInfo " + a.alarmClock + " at " + |
| formatNextAlarm(getContext(), a.alarmClock, userId) + |
| " for user " + userId); |
| } |
| |
| // Alarms and batches are sorted by time, no need to compare times here. |
| if (nextForUser.get(userId) == null) { |
| nextForUser.put(userId, a.alarmClock); |
| } else if (a.alarmClock.equals(current) |
| && current.getTriggerTime() <= nextForUser.get(userId).getTriggerTime()) { |
| // same/earlier time and it's the one we cited before, so stick with it |
| nextForUser.put(userId, current); |
| } |
| } |
| } |
| } |
| |
| // Update mNextAlarmForUser with new values. |
| final int NN = nextForUser.size(); |
| for (int i = 0; i < NN; i++) { |
| AlarmManager.AlarmClockInfo newAlarm = nextForUser.valueAt(i); |
| int userId = nextForUser.keyAt(i); |
| AlarmManager.AlarmClockInfo currentAlarm = mNextAlarmClockForUser.get(userId); |
| if (!newAlarm.equals(currentAlarm)) { |
| updateNextAlarmInfoForUserLocked(userId, newAlarm); |
| } |
| } |
| |
| // Remove users without any alarm clocks scheduled. |
| final int NNN = mNextAlarmClockForUser.size(); |
| for (int i = NNN - 1; i >= 0; i--) { |
| int userId = mNextAlarmClockForUser.keyAt(i); |
| if (nextForUser.get(userId) == null) { |
| updateNextAlarmInfoForUserLocked(userId, null); |
| } |
| } |
| } |
| |
| private void updateNextAlarmInfoForUserLocked(int userId, |
| AlarmManager.AlarmClockInfo alarmClock) { |
| if (alarmClock != null) { |
| if (DEBUG_ALARM_CLOCK) { |
| Log.v(TAG, "Next AlarmClockInfoForUser(" + userId + "): " + |
| formatNextAlarm(getContext(), alarmClock, userId)); |
| } |
| mNextAlarmClockForUser.put(userId, alarmClock); |
| } else { |
| if (DEBUG_ALARM_CLOCK) { |
| Log.v(TAG, "Next AlarmClockInfoForUser(" + userId + "): None"); |
| } |
| mNextAlarmClockForUser.remove(userId); |
| } |
| |
| mPendingSendNextAlarmClockChangedForUser.put(userId, true); |
| mHandler.removeMessages(AlarmHandler.SEND_NEXT_ALARM_CLOCK_CHANGED); |
| mHandler.sendEmptyMessage(AlarmHandler.SEND_NEXT_ALARM_CLOCK_CHANGED); |
| } |
| |
| /** |
| * Updates NEXT_ALARM_FORMATTED and sends NEXT_ALARM_CLOCK_CHANGED_INTENT for all users |
| * for which alarm clocks have changed since the last call to this. |
| * |
| * Do not call with a lock held. Only call from mHandler's thread. |
| * |
| * @see AlarmHandler#SEND_NEXT_ALARM_CLOCK_CHANGED |
| */ |
| private void sendNextAlarmClockChanged() { |
| SparseArray<AlarmManager.AlarmClockInfo> pendingUsers = mHandlerSparseAlarmClockArray; |
| pendingUsers.clear(); |
| |
| synchronized (mLock) { |
| final int N = mPendingSendNextAlarmClockChangedForUser.size(); |
| for (int i = 0; i < N; i++) { |
| int userId = mPendingSendNextAlarmClockChangedForUser.keyAt(i); |
| pendingUsers.append(userId, mNextAlarmClockForUser.get(userId)); |
| } |
| mPendingSendNextAlarmClockChangedForUser.clear(); |
| } |
| |
| final int N = pendingUsers.size(); |
| for (int i = 0; i < N; i++) { |
| int userId = pendingUsers.keyAt(i); |
| AlarmManager.AlarmClockInfo alarmClock = pendingUsers.valueAt(i); |
| Settings.System.putStringForUser(getContext().getContentResolver(), |
| Settings.System.NEXT_ALARM_FORMATTED, |
| formatNextAlarm(getContext(), alarmClock, userId), |
| userId); |
| |
| getContext().sendBroadcastAsUser(NEXT_ALARM_CLOCK_CHANGED_INTENT, |
| new UserHandle(userId)); |
| } |
| } |
| |
| /** |
| * Formats an alarm like platform/packages/apps/DeskClock used to. |
| */ |
| private static String formatNextAlarm(final Context context, AlarmManager.AlarmClockInfo info, |
| int userId) { |
| String skeleton = DateFormat.is24HourFormat(context, userId) ? "EHm" : "Ehma"; |
| String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton); |
| return (info == null) ? "" : |
| DateFormat.format(pattern, info.getTriggerTime()).toString(); |
| } |
| |
| void rescheduleKernelAlarmsLocked() { |
| // Schedule the next upcoming wakeup alarm. If there is a deliverable batch |
| // prior to that which contains no wakeups, we schedule that as well. |
| long nextNonWakeup = 0; |
| if (mAlarmBatches.size() > 0) { |
| final Batch firstWakeup = findFirstWakeupBatchLocked(); |
| final Batch firstBatch = mAlarmBatches.get(0); |
| if (firstWakeup != null && mNextWakeup != firstWakeup.start) { |
| mNextWakeup = firstWakeup.start; |
| mLastWakeupSet = SystemClock.elapsedRealtime(); |
| setLocked(ELAPSED_REALTIME_WAKEUP, firstWakeup.start); |
| } |
| if (firstBatch != firstWakeup) { |
| nextNonWakeup = firstBatch.start; |
| } |
| } |
| if (mPendingNonWakeupAlarms.size() > 0) { |
| if (nextNonWakeup == 0 || mNextNonWakeupDeliveryTime < nextNonWakeup) { |
| nextNonWakeup = mNextNonWakeupDeliveryTime; |
| } |
| } |
| if (nextNonWakeup != 0 && mNextNonWakeup != nextNonWakeup) { |
| mNextNonWakeup = nextNonWakeup; |
| setLocked(ELAPSED_REALTIME, nextNonWakeup); |
| } |
| } |
| |
| private void removeLocked(PendingIntent operation, IAlarmListener directReceiver) { |
| boolean didRemove = false; |
| for (int i = mAlarmBatches.size() - 1; i >= 0; i--) { |
| Batch b = mAlarmBatches.get(i); |
| didRemove |= b.remove(operation, directReceiver); |
| if (b.size() == 0) { |
| mAlarmBatches.remove(i); |
| } |
| } |
| for (int i = mPendingWhileIdleAlarms.size() - 1; i >= 0; i--) { |
| if (mPendingWhileIdleAlarms.get(i).matches(operation, directReceiver)) { |
| // Don't set didRemove, since this doesn't impact the scheduled alarms. |
| mPendingWhileIdleAlarms.remove(i); |
| } |
| } |
| |
| if (didRemove) { |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "remove(operation) changed bounds; rebatching"); |
| } |
| boolean restorePending = false; |
| if (mPendingIdleUntil != null && mPendingIdleUntil.matches(operation, directReceiver)) { |
| mPendingIdleUntil = null; |
| restorePending = true; |
| } |
| if (mNextWakeFromIdle != null && mNextWakeFromIdle.matches(operation, directReceiver)) { |
| mNextWakeFromIdle = null; |
| } |
| rebatchAllAlarmsLocked(true); |
| if (restorePending) { |
| restorePendingWhileIdleAlarmsLocked(); |
| } |
| updateNextAlarmClockLocked(); |
| } |
| } |
| |
| void removeLocked(String packageName) { |
| boolean didRemove = false; |
| for (int i = mAlarmBatches.size() - 1; i >= 0; i--) { |
| Batch b = mAlarmBatches.get(i); |
| didRemove |= b.remove(packageName); |
| if (b.size() == 0) { |
| mAlarmBatches.remove(i); |
| } |
| } |
| for (int i = mPendingWhileIdleAlarms.size() - 1; i >= 0; i--) { |
| final Alarm a = mPendingWhileIdleAlarms.get(i); |
| if (a.matches(packageName)) { |
| // Don't set didRemove, since this doesn't impact the scheduled alarms. |
| mPendingWhileIdleAlarms.remove(i); |
| } |
| } |
| |
| if (didRemove) { |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "remove(package) changed bounds; rebatching"); |
| } |
| rebatchAllAlarmsLocked(true); |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| } |
| } |
| |
| void removeForStoppedLocked(int uid) { |
| boolean didRemove = false; |
| for (int i = mAlarmBatches.size() - 1; i >= 0; i--) { |
| Batch b = mAlarmBatches.get(i); |
| didRemove |= b.removeForStopped(uid); |
| if (b.size() == 0) { |
| mAlarmBatches.remove(i); |
| } |
| } |
| for (int i = mPendingWhileIdleAlarms.size() - 1; i >= 0; i--) { |
| final Alarm a = mPendingWhileIdleAlarms.get(i); |
| if (a.uid == uid) { |
| // Don't set didRemove, since this doesn't impact the scheduled alarms. |
| mPendingWhileIdleAlarms.remove(i); |
| } |
| } |
| |
| if (didRemove) { |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "remove(package) changed bounds; rebatching"); |
| } |
| rebatchAllAlarmsLocked(true); |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| } |
| } |
| |
| void removeUserLocked(int userHandle) { |
| boolean didRemove = false; |
| for (int i = mAlarmBatches.size() - 1; i >= 0; i--) { |
| Batch b = mAlarmBatches.get(i); |
| didRemove |= b.remove(userHandle); |
| if (b.size() == 0) { |
| mAlarmBatches.remove(i); |
| } |
| } |
| for (int i = mPendingWhileIdleAlarms.size() - 1; i >= 0; i--) { |
| if (UserHandle.getUserId(mPendingWhileIdleAlarms.get(i).creatorUid) |
| == userHandle) { |
| // Don't set didRemove, since this doesn't impact the scheduled alarms. |
| mPendingWhileIdleAlarms.remove(i); |
| } |
| } |
| for (int i = mLastAllowWhileIdleDispatch.size() - 1; i >= 0; i--) { |
| if (UserHandle.getUserId(mLastAllowWhileIdleDispatch.keyAt(i)) == userHandle) { |
| mLastAllowWhileIdleDispatch.removeAt(i); |
| } |
| } |
| |
| if (didRemove) { |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "remove(user) changed bounds; rebatching"); |
| } |
| rebatchAllAlarmsLocked(true); |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| } |
| } |
| |
| void interactiveStateChangedLocked(boolean interactive) { |
| if (mInteractive != interactive) { |
| mInteractive = interactive; |
| final long nowELAPSED = SystemClock.elapsedRealtime(); |
| if (interactive) { |
| if (mPendingNonWakeupAlarms.size() > 0) { |
| final long thisDelayTime = nowELAPSED - mStartCurrentDelayTime; |
| mTotalDelayTime += thisDelayTime; |
| if (mMaxDelayTime < thisDelayTime) { |
| mMaxDelayTime = thisDelayTime; |
| } |
| deliverAlarmsLocked(mPendingNonWakeupAlarms, nowELAPSED); |
| mPendingNonWakeupAlarms.clear(); |
| } |
| if (mNonInteractiveStartTime > 0) { |
| long dur = nowELAPSED - mNonInteractiveStartTime; |
| if (dur > mNonInteractiveTime) { |
| mNonInteractiveTime = dur; |
| } |
| } |
| } else { |
| mNonInteractiveStartTime = nowELAPSED; |
| } |
| } |
| } |
| |
| boolean lookForPackageLocked(String packageName) { |
| for (int i = 0; i < mAlarmBatches.size(); i++) { |
| Batch b = mAlarmBatches.get(i); |
| if (b.hasPackage(packageName)) { |
| return true; |
| } |
| } |
| for (int i = 0; i < mPendingWhileIdleAlarms.size(); i++) { |
| final Alarm a = mPendingWhileIdleAlarms.get(i); |
| if (a.matches(packageName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private void setLocked(int type, long when) { |
| if (mNativeData != 0) { |
| // The kernel never triggers alarms with negative wakeup times |
| // so we ensure they are positive. |
| long alarmSeconds, alarmNanoseconds; |
| if (when < 0) { |
| alarmSeconds = 0; |
| alarmNanoseconds = 0; |
| } else { |
| alarmSeconds = when / 1000; |
| alarmNanoseconds = (when % 1000) * 1000 * 1000; |
| } |
| |
| set(mNativeData, type, alarmSeconds, alarmNanoseconds); |
| } else { |
| Message msg = Message.obtain(); |
| msg.what = ALARM_EVENT; |
| |
| mHandler.removeMessages(ALARM_EVENT); |
| mHandler.sendMessageAtTime(msg, when); |
| } |
| } |
| |
| private static final void dumpAlarmList(PrintWriter pw, ArrayList<Alarm> list, |
| String prefix, String label, long nowRTC, long nowELAPSED, SimpleDateFormat sdf) { |
| for (int i=list.size()-1; i>=0; i--) { |
| Alarm a = list.get(i); |
| pw.print(prefix); pw.print(label); pw.print(" #"); pw.print(i); |
| pw.print(": "); pw.println(a); |
| a.dump(pw, prefix + " ", nowRTC, nowELAPSED, sdf); |
| } |
| } |
| |
| private static final String labelForType(int type) { |
| switch (type) { |
| case RTC: return "RTC"; |
| case RTC_WAKEUP : return "RTC_WAKEUP"; |
| case ELAPSED_REALTIME : return "ELAPSED"; |
| case ELAPSED_REALTIME_WAKEUP: return "ELAPSED_WAKEUP"; |
| default: |
| break; |
| } |
| return "--unknown--"; |
| } |
| |
| private static final void dumpAlarmList(PrintWriter pw, ArrayList<Alarm> list, |
| String prefix, long nowELAPSED, long nowRTC, SimpleDateFormat sdf) { |
| for (int i=list.size()-1; i>=0; i--) { |
| Alarm a = list.get(i); |
| final String label = labelForType(a.type); |
| pw.print(prefix); pw.print(label); pw.print(" #"); pw.print(i); |
| pw.print(": "); pw.println(a); |
| a.dump(pw, prefix + " ", nowRTC, nowELAPSED, sdf); |
| } |
| } |
| |
| private native long init(); |
| private native void close(long nativeData); |
| private native void set(long nativeData, int type, long seconds, long nanoseconds); |
| private native int waitForAlarm(long nativeData); |
| private native int setKernelTime(long nativeData, long millis); |
| private native int setKernelTimezone(long nativeData, int minuteswest); |
| |
| boolean triggerAlarmsLocked(ArrayList<Alarm> triggerList, final long nowELAPSED, |
| final long nowRTC) { |
| boolean hasWakeup = false; |
| // batches are temporally sorted, so we need only pull from the |
| // start of the list until we either empty it or hit a batch |
| // that is not yet deliverable |
| while (mAlarmBatches.size() > 0) { |
| Batch batch = mAlarmBatches.get(0); |
| if (batch.start > nowELAPSED) { |
| // Everything else is scheduled for the future |
| break; |
| } |
| |
| // We will (re)schedule some alarms now; don't let that interfere |
| // with delivery of this current batch |
| mAlarmBatches.remove(0); |
| |
| final int N = batch.size(); |
| for (int i = 0; i < N; i++) { |
| Alarm alarm = batch.get(i); |
| |
| if ((alarm.flags&AlarmManager.FLAG_ALLOW_WHILE_IDLE) != 0) { |
| // If this is an ALLOW_WHILE_IDLE alarm, we constrain how frequently the app can |
| // schedule such alarms. |
| long lastTime = mLastAllowWhileIdleDispatch.get(alarm.uid, 0); |
| long minTime = lastTime + mAllowWhileIdleMinTime; |
| if (nowELAPSED < minTime) { |
| // Whoops, it hasn't been long enough since the last ALLOW_WHILE_IDLE |
| // alarm went off for this app. Reschedule the alarm to be in the |
| // correct time period. |
| alarm.whenElapsed = minTime; |
| if (alarm.maxWhenElapsed < minTime) { |
| alarm.maxWhenElapsed = minTime; |
| } |
| if (RECORD_DEVICE_IDLE_ALARMS) { |
| IdleDispatchEntry ent = new IdleDispatchEntry(); |
| ent.uid = alarm.uid; |
| ent.pkg = alarm.operation.getCreatorPackage(); |
| ent.tag = alarm.operation.getTag(""); |
| ent.op = "RESCHEDULE"; |
| ent.elapsedRealtime = nowELAPSED; |
| ent.argRealtime = lastTime; |
| mAllowWhileIdleDispatches.add(ent); |
| } |
| setImplLocked(alarm, true, false); |
| continue; |
| } |
| } |
| |
| alarm.count = 1; |
| triggerList.add(alarm); |
| if ((alarm.flags&AlarmManager.FLAG_WAKE_FROM_IDLE) != 0) { |
| EventLogTags.writeDeviceIdleWakeFromIdle(mPendingIdleUntil != null ? 1 : 0, |
| alarm.statsTag); |
| } |
| if (mPendingIdleUntil == alarm) { |
| mPendingIdleUntil = null; |
| rebatchAllAlarmsLocked(false); |
| restorePendingWhileIdleAlarmsLocked(); |
| } |
| if (mNextWakeFromIdle == alarm) { |
| mNextWakeFromIdle = null; |
| rebatchAllAlarmsLocked(false); |
| } |
| |
| // Recurring alarms may have passed several alarm intervals while the |
| // phone was asleep or off, so pass a trigger count when sending them. |
| if (alarm.repeatInterval > 0) { |
| // this adjustment will be zero if we're late by |
| // less than one full repeat interval |
| alarm.count += (nowELAPSED - alarm.whenElapsed) / alarm.repeatInterval; |
| |
| // Also schedule its next recurrence |
| final long delta = alarm.count * alarm.repeatInterval; |
| final long nextElapsed = alarm.whenElapsed + delta; |
| setImplLocked(alarm.type, alarm.when + delta, nextElapsed, alarm.windowLength, |
| maxTriggerTime(nowELAPSED, nextElapsed, alarm.repeatInterval), |
| alarm.repeatInterval, alarm.operation, null, null, alarm.flags, true, |
| alarm.workSource, alarm.alarmClock, alarm.uid, alarm.packageName); |
| } |
| |
| if (alarm.wakeup) { |
| hasWakeup = true; |
| } |
| |
| // We removed an alarm clock. Let the caller recompute the next alarm clock. |
| if (alarm.alarmClock != null) { |
| mNextAlarmClockMayChange = true; |
| } |
| } |
| } |
| |
| // This is a new alarm delivery set; bump the sequence number to indicate that |
| // all apps' alarm delivery classes should be recalculated. |
| mCurrentSeq++; |
| calculateDeliveryPriorities(triggerList); |
| Collections.sort(triggerList, mAlarmDispatchComparator); |
| |
| if (localLOGV) { |
| for (int i=0; i<triggerList.size(); i++) { |
| Slog.v(TAG, "Triggering alarm #" + i + ": " + triggerList.get(i)); |
| } |
| } |
| |
| return hasWakeup; |
| } |
| |
| /** |
| * This Comparator sorts Alarms into increasing time order. |
| */ |
| public static class IncreasingTimeOrder implements Comparator<Alarm> { |
| public int compare(Alarm a1, Alarm a2) { |
| long when1 = a1.whenElapsed; |
| long when2 = a2.whenElapsed; |
| if (when1 > when2) { |
| return 1; |
| } |
| if (when1 < when2) { |
| return -1; |
| } |
| return 0; |
| } |
| } |
| |
| private static class Alarm { |
| public final int type; |
| public final long origWhen; |
| public final boolean wakeup; |
| public final PendingIntent operation; |
| public final IAlarmListener listener; |
| public final String listenerTag; |
| public final String statsTag; |
| public final WorkSource workSource; |
| public final int flags; |
| public final AlarmManager.AlarmClockInfo alarmClock; |
| public final int uid; |
| public final int creatorUid; |
| public final String packageName; |
| public int count; |
| public long when; |
| public long windowLength; |
| public long whenElapsed; // 'when' in the elapsed time base |
| public long maxWhenElapsed; // also in the elapsed time base |
| public long repeatInterval; |
| public PriorityClass priorityClass; |
| |
| public Alarm(int _type, long _when, long _whenElapsed, long _windowLength, long _maxWhen, |
| long _interval, PendingIntent _op, IAlarmListener _rec, String _listenerTag, |
| WorkSource _ws, int _flags, AlarmManager.AlarmClockInfo _info, |
| int _uid, String _pkgName) { |
| type = _type; |
| origWhen = _when; |
| wakeup = _type == AlarmManager.ELAPSED_REALTIME_WAKEUP |
| || _type == AlarmManager.RTC_WAKEUP; |
| when = _when; |
| whenElapsed = _whenElapsed; |
| windowLength = _windowLength; |
| maxWhenElapsed = _maxWhen; |
| repeatInterval = _interval; |
| operation = _op; |
| listener = _rec; |
| listenerTag = _listenerTag; |
| statsTag = makeTag(_op, _listenerTag, _type); |
| workSource = _ws; |
| flags = _flags; |
| alarmClock = _info; |
| uid = _uid; |
| packageName = _pkgName; |
| |
| creatorUid = (operation != null) ? operation.getCreatorUid() : uid; |
| } |
| |
| public static String makeTag(PendingIntent pi, String tag, int type) { |
| final String alarmString = type == ELAPSED_REALTIME_WAKEUP || type == RTC_WAKEUP |
| ? "*walarm*:" : "*alarm*:"; |
| return (pi != null) ? pi.getTag(alarmString) : (alarmString + tag); |
| } |
| |
| public WakeupEvent makeWakeupEvent(long nowRTC) { |
| return new WakeupEvent(nowRTC, creatorUid, |
| (operation != null) |
| ? operation.getIntent().getAction() |
| : ("<listener>:" + listenerTag)); |
| } |
| |
| // Returns true if either matches |
| public boolean matches(PendingIntent pi, IAlarmListener rec) { |
| return (operation != null) |
| ? operation.equals(pi) |
| : rec != null && listener.asBinder().equals(rec.asBinder()); |
| } |
| |
| public boolean matches(String packageName) { |
| return (operation != null) |
| ? packageName.equals(operation.getTargetPackage()) |
| : packageName.equals(this.packageName); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append("Alarm{"); |
| sb.append(Integer.toHexString(System.identityHashCode(this))); |
| sb.append(" type "); |
| sb.append(type); |
| sb.append(" when "); |
| sb.append(when); |
| sb.append(" "); |
| if (operation != null) { |
| sb.append(operation.getTargetPackage()); |
| } else { |
| sb.append(packageName); |
| } |
| sb.append('}'); |
| return sb.toString(); |
| } |
| |
| public void dump(PrintWriter pw, String prefix, long nowRTC, long nowELAPSED, |
| SimpleDateFormat sdf) { |
| final boolean isRtc = (type == RTC || type == RTC_WAKEUP); |
| pw.print(prefix); pw.print("tag="); pw.println(statsTag); |
| pw.print(prefix); pw.print("type="); pw.print(type); |
| pw.print(" whenElapsed="); TimeUtils.formatDuration(whenElapsed, |
| nowELAPSED, pw); |
| pw.print(" when="); |
| if (isRtc) { |
| pw.print(sdf.format(new Date(when))); |
| } else { |
| TimeUtils.formatDuration(when, nowELAPSED, pw); |
| } |
| pw.println(); |
| pw.print(prefix); pw.print("window="); TimeUtils.formatDuration(windowLength, pw); |
| pw.print(" repeatInterval="); pw.print(repeatInterval); |
| pw.print(" count="); pw.print(count); |
| pw.print(" flags=0x"); pw.println(Integer.toHexString(flags)); |
| if (alarmClock != null) { |
| pw.print(prefix); pw.println("Alarm clock:"); |
| pw.print(prefix); pw.print(" triggerTime="); |
| pw.println(sdf.format(new Date(alarmClock.getTriggerTime()))); |
| pw.print(prefix); pw.print(" showIntent="); pw.println(alarmClock.getShowIntent()); |
| } |
| pw.print(prefix); pw.print("operation="); pw.println(operation); |
| if (listener != null) { |
| pw.print(prefix); pw.print("listener="); pw.println(listener.asBinder()); |
| } |
| } |
| } |
| |
| void recordWakeupAlarms(ArrayList<Batch> batches, long nowELAPSED, long nowRTC) { |
| final int numBatches = batches.size(); |
| for (int nextBatch = 0; nextBatch < numBatches; nextBatch++) { |
| Batch b = batches.get(nextBatch); |
| if (b.start > nowELAPSED) { |
| break; |
| } |
| |
| final int numAlarms = b.alarms.size(); |
| for (int nextAlarm = 0; nextAlarm < numAlarms; nextAlarm++) { |
| Alarm a = b.alarms.get(nextAlarm); |
| mRecentWakeups.add(a.makeWakeupEvent(nowRTC)); |
| } |
| } |
| } |
| |
| long currentNonWakeupFuzzLocked(long nowELAPSED) { |
| long timeSinceOn = nowELAPSED - mNonInteractiveStartTime; |
| if (timeSinceOn < 5*60*1000) { |
| // If the screen has been off for 5 minutes, only delay by at most two minutes. |
| return 2*60*1000; |
| } else if (timeSinceOn < 30*60*1000) { |
| // If the screen has been off for 30 minutes, only delay by at most 15 minutes. |
| return 15*60*1000; |
| } else { |
| // Otherwise, we will delay by at most an hour. |
| return 60*60*1000; |
| } |
| } |
| |
| static int fuzzForDuration(long duration) { |
| if (duration < 15*60*1000) { |
| // If the duration until the time is less than 15 minutes, the maximum fuzz |
| // is the duration. |
| return (int)duration; |
| } else if (duration < 90*60*1000) { |
| // If duration is less than 1 1/2 hours, the maximum fuzz is 15 minutes, |
| return 15*60*1000; |
| } else { |
| // Otherwise, we will fuzz by at most half an hour. |
| return 30*60*1000; |
| } |
| } |
| |
| boolean checkAllowNonWakeupDelayLocked(long nowELAPSED) { |
| if (mInteractive) { |
| return false; |
| } |
| if (mLastAlarmDeliveryTime <= 0) { |
| return false; |
| } |
| if (mPendingNonWakeupAlarms.size() > 0 && mNextNonWakeupDeliveryTime < nowELAPSED) { |
| // This is just a little paranoia, if somehow we have pending non-wakeup alarms |
| // and the next delivery time is in the past, then just deliver them all. This |
| // avoids bugs where we get stuck in a loop trying to poll for alarms. |
| return false; |
| } |
| long timeSinceLast = nowELAPSED - mLastAlarmDeliveryTime; |
| return timeSinceLast <= currentNonWakeupFuzzLocked(nowELAPSED); |
| } |
| |
| void deliverAlarmsLocked(ArrayList<Alarm> triggerList, long nowELAPSED) { |
| mLastAlarmDeliveryTime = nowELAPSED; |
| for (int i=0; i<triggerList.size(); i++) { |
| Alarm alarm = triggerList.get(i); |
| final boolean allowWhileIdle = (alarm.flags&AlarmManager.FLAG_ALLOW_WHILE_IDLE) != 0; |
| try { |
| if (localLOGV) { |
| Slog.v(TAG, "sending alarm " + alarm); |
| } |
| if (RECORD_ALARMS_IN_HISTORY) { |
| if (alarm.workSource != null && alarm.workSource.size() > 0) { |
| for (int wi=0; wi<alarm.workSource.size(); wi++) { |
| ActivityManager.noteAlarmStart( |
| alarm.operation, alarm.workSource.get(wi), alarm.statsTag); |
| } |
| } else { |
| ActivityManager.noteAlarmStart( |
| alarm.operation, alarm.uid, alarm.statsTag); |
| } |
| } |
| mDeliveryTracker.deliverLocked(alarm, nowELAPSED, allowWhileIdle); |
| } catch (RuntimeException e) { |
| Slog.w(TAG, "Failure sending alarm.", e); |
| } |
| } |
| } |
| |
| private class AlarmThread extends Thread |
| { |
| public AlarmThread() |
| { |
| super("AlarmManager"); |
| } |
| |
| public void run() |
| { |
| ArrayList<Alarm> triggerList = new ArrayList<Alarm>(); |
| |
| while (true) |
| { |
| int result = waitForAlarm(mNativeData); |
| mLastWakeup = SystemClock.elapsedRealtime(); |
| |
| triggerList.clear(); |
| |
| final long nowRTC = System.currentTimeMillis(); |
| final long nowELAPSED = SystemClock.elapsedRealtime(); |
| |
| if ((result & TIME_CHANGED_MASK) != 0) { |
| // The kernel can give us spurious time change notifications due to |
| // small adjustments it makes internally; we want to filter those out. |
| final long lastTimeChangeClockTime; |
| final long expectedClockTime; |
| synchronized (mLock) { |
| lastTimeChangeClockTime = mLastTimeChangeClockTime; |
| expectedClockTime = lastTimeChangeClockTime |
| + (nowELAPSED - mLastTimeChangeRealtime); |
| } |
| if (lastTimeChangeClockTime == 0 || nowRTC < (expectedClockTime-1000) |
| || nowRTC > (expectedClockTime+1000)) { |
| // The change is by at least +/- 1000 ms (or this is the first change), |
| // let's do it! |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "Time changed notification from kernel; rebatching"); |
| } |
| removeImpl(mTimeTickSender); |
| removeImpl(mDateChangeSender); |
| rebatchAllAlarms(); |
| mClockReceiver.scheduleTimeTickEvent(); |
| mClockReceiver.scheduleDateChangedEvent(); |
| synchronized (mLock) { |
| mNumTimeChanged++; |
| mLastTimeChangeClockTime = nowRTC; |
| mLastTimeChangeRealtime = nowELAPSED; |
| } |
| Intent intent = new Intent(Intent.ACTION_TIME_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING |
| | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT |
| | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); |
| getContext().sendBroadcastAsUser(intent, UserHandle.ALL); |
| |
| // The world has changed on us, so we need to re-evaluate alarms |
| // regardless of whether the kernel has told us one went off. |
| result |= IS_WAKEUP_MASK; |
| } |
| } |
| |
| if (result != TIME_CHANGED_MASK) { |
| // If this was anything besides just a time change, then figure what if |
| // anything to do about alarms. |
| synchronized (mLock) { |
| if (localLOGV) Slog.v( |
| TAG, "Checking for alarms... rtc=" + nowRTC |
| + ", elapsed=" + nowELAPSED); |
| |
| if (WAKEUP_STATS) { |
| if ((result & IS_WAKEUP_MASK) != 0) { |
| long newEarliest = nowRTC - RECENT_WAKEUP_PERIOD; |
| int n = 0; |
| for (WakeupEvent event : mRecentWakeups) { |
| if (event.when > newEarliest) break; |
| n++; // number of now-stale entries at the list head |
| } |
| for (int i = 0; i < n; i++) { |
| mRecentWakeups.remove(); |
| } |
| |
| recordWakeupAlarms(mAlarmBatches, nowELAPSED, nowRTC); |
| } |
| } |
| |
| boolean hasWakeup = triggerAlarmsLocked(triggerList, nowELAPSED, nowRTC); |
| if (!hasWakeup && checkAllowNonWakeupDelayLocked(nowELAPSED)) { |
| // if there are no wakeup alarms and the screen is off, we can |
| // delay what we have so far until the future. |
| if (mPendingNonWakeupAlarms.size() == 0) { |
| mStartCurrentDelayTime = nowELAPSED; |
| mNextNonWakeupDeliveryTime = nowELAPSED |
| + ((currentNonWakeupFuzzLocked(nowELAPSED)*3)/2); |
| } |
| mPendingNonWakeupAlarms.addAll(triggerList); |
| mNumDelayedAlarms += triggerList.size(); |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| } else { |
| // now deliver the alarm intents; if there are pending non-wakeup |
| // alarms, we need to merge them in to the list. note we don't |
| // just deliver them first because we generally want non-wakeup |
| // alarms delivered after wakeup alarms. |
| rescheduleKernelAlarmsLocked(); |
| updateNextAlarmClockLocked(); |
| if (mPendingNonWakeupAlarms.size() > 0) { |
| calculateDeliveryPriorities(mPendingNonWakeupAlarms); |
| triggerList.addAll(mPendingNonWakeupAlarms); |
| Collections.sort(triggerList, mAlarmDispatchComparator); |
| final long thisDelayTime = nowELAPSED - mStartCurrentDelayTime; |
| mTotalDelayTime += thisDelayTime; |
| if (mMaxDelayTime < thisDelayTime) { |
| mMaxDelayTime = thisDelayTime; |
| } |
| mPendingNonWakeupAlarms.clear(); |
| } |
| deliverAlarmsLocked(triggerList, nowELAPSED); |
| } |
| } |
| |
| } else { |
| // Just in case -- even though no wakeup flag was set, make sure |
| // we have updated the kernel to the next alarm time. |
| synchronized (mLock) { |
| rescheduleKernelAlarmsLocked(); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Attribute blame for a WakeLock. |
| * @param pi PendingIntent to attribute blame to if ws is null. |
| * @param ws WorkSource to attribute blame. |
| * @param knownUid attribution uid; < 0 if we need to derive it from the PendingIntent sender |
| */ |
| void setWakelockWorkSource(PendingIntent pi, WorkSource ws, int type, String tag, |
| int knownUid, boolean first) { |
| try { |
| final boolean unimportant = pi == mTimeTickSender; |
| mWakeLock.setUnimportantForLogging(unimportant); |
| if (first || mLastWakeLockUnimportantForLogging) { |
| mWakeLock.setHistoryTag(tag); |
| } else { |
| mWakeLock.setHistoryTag(null); |
| } |
| mLastWakeLockUnimportantForLogging = unimportant; |
| if (ws != null) { |
| mWakeLock.setWorkSource(ws); |
| return; |
| } |
| |
| final int uid = (knownUid >= 0) |
| ? knownUid |
| : ActivityManager.getService().getUidForIntentSender(pi.getTarget()); |
| if (uid >= 0) { |
| mWakeLock.setWorkSource(new WorkSource(uid)); |
| return; |
| } |
| } catch (Exception e) { |
| } |
| |
| // Something went wrong; fall back to attributing the lock to the OS |
| mWakeLock.setWorkSource(null); |
| } |
| |
| private class AlarmHandler extends Handler { |
| public static final int ALARM_EVENT = 1; |
| public static final int SEND_NEXT_ALARM_CLOCK_CHANGED = 2; |
| public static final int LISTENER_TIMEOUT = 3; |
| public static final int REPORT_ALARMS_ACTIVE = 4; |
| |
| public AlarmHandler() { |
| } |
| |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case ALARM_EVENT: { |
| ArrayList<Alarm> triggerList = new ArrayList<Alarm>(); |
| synchronized (mLock) { |
| final long nowRTC = System.currentTimeMillis(); |
| final long nowELAPSED = SystemClock.elapsedRealtime(); |
| triggerAlarmsLocked(triggerList, nowELAPSED, nowRTC); |
| updateNextAlarmClockLocked(); |
| } |
| |
| // now trigger the alarms without the lock held |
| for (int i=0; i<triggerList.size(); i++) { |
| Alarm alarm = triggerList.get(i); |
| try { |
| alarm.operation.send(); |
| } catch (PendingIntent.CanceledException e) { |
| if (alarm.repeatInterval > 0) { |
| // This IntentSender is no longer valid, but this |
| // is a repeating alarm, so toss the hoser. |
| removeImpl(alarm.operation); |
| } |
| } |
| } |
| break; |
| } |
| |
| case SEND_NEXT_ALARM_CLOCK_CHANGED: |
| sendNextAlarmClockChanged(); |
| break; |
| |
| case LISTENER_TIMEOUT: |
| mDeliveryTracker.alarmTimedOut((IBinder) msg.obj); |
| break; |
| |
| case REPORT_ALARMS_ACTIVE: |
| if (mLocalDeviceIdleController != null) { |
| mLocalDeviceIdleController.setAlarmsActive(msg.arg1 != 0); |
| } |
| break; |
| |
| default: |
| // nope, just ignore it |
| break; |
| } |
| } |
| } |
| |
| class ClockReceiver extends BroadcastReceiver { |
| public ClockReceiver() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_TIME_TICK); |
| filter.addAction(Intent.ACTION_DATE_CHANGED); |
| getContext().registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getAction().equals(Intent.ACTION_TIME_TICK)) { |
| if (DEBUG_BATCH) { |
| Slog.v(TAG, "Received TIME_TICK alarm; rescheduling"); |
| } |
| scheduleTimeTickEvent(); |
| } else if (intent.getAction().equals(Intent.ACTION_DATE_CHANGED)) { |
| // Since the kernel does not keep track of DST, we need to |
| // reset the TZ information at the beginning of each day |
| // based off of the current Zone gmt offset + userspace tracked |
| // daylight savings information. |
| TimeZone zone = TimeZone.getTimeZone(SystemProperties.get(TIMEZONE_PROPERTY)); |
| int gmtOffset = zone.getOffset(System.currentTimeMillis()); |
| setKernelTimezone(mNativeData, -(gmtOffset / 60000)); |
| scheduleDateChangedEvent(); |
| } |
| } |
| |
| public void scheduleTimeTickEvent() { |
| final long currentTime = System.currentTimeMillis(); |
| final long nextTime = 60000 * ((currentTime / 60000) + 1); |
| |
| // Schedule this event for the amount of time that it would take to get to |
| // the top of the next minute. |
| final long tickEventDelay = nextTime - currentTime; |
| |
| final WorkSource workSource = null; // Let system take blame for time tick events. |
| setImpl(ELAPSED_REALTIME, SystemClock.elapsedRealtime() + tickEventDelay, 0, |
| 0, mTimeTickSender, null, null, AlarmManager.FLAG_STANDALONE, workSource, |
| null, Process.myUid(), "android"); |
| } |
| |
| public void scheduleDateChangedEvent() { |
| Calendar calendar = Calendar.getInstance(); |
| calendar.setTimeInMillis(System.currentTimeMillis()); |
| calendar.set(Calendar.HOUR_OF_DAY, 0); |
| calendar.set(Calendar.MINUTE, 0); |
| calendar.set(Calendar.SECOND, 0); |
| calendar.set(Calendar.MILLISECOND, 0); |
| calendar.add(Calendar.DAY_OF_MONTH, 1); |
| |
| final WorkSource workSource = null; // Let system take blame for date change events. |
| setImpl(RTC, calendar.getTimeInMillis(), 0, 0, mDateChangeSender, null, null, |
| AlarmManager.FLAG_STANDALONE, workSource, null, |
| Process.myUid(), "android"); |
| } |
| } |
| |
| class InteractiveStateReceiver extends BroadcastReceiver { |
| public InteractiveStateReceiver() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| getContext().registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| interactiveStateChangedLocked(Intent.ACTION_SCREEN_ON.equals(intent.getAction())); |
| } |
| } |
| } |
| |
| class UninstallReceiver extends BroadcastReceiver { |
| public UninstallReceiver() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| filter.addAction(Intent.ACTION_PACKAGE_RESTARTED); |
| filter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); |
| filter.addDataScheme("package"); |
| getContext().registerReceiver(this, filter); |
| // Register for events related to sdcard installation. |
| IntentFilter sdFilter = new IntentFilter(); |
| sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); |
| sdFilter.addAction(Intent.ACTION_USER_STOPPED); |
| sdFilter.addAction(Intent.ACTION_UID_REMOVED); |
| getContext().registerReceiver(this, sdFilter); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (mLock) { |
| String action = intent.getAction(); |
| String pkgList[] = null; |
| if (Intent.ACTION_QUERY_PACKAGE_RESTART.equals(action)) { |
| pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); |
| for (String packageName : pkgList) { |
| if (lookForPackageLocked(packageName)) { |
| setResultCode(Activity.RESULT_OK); |
| return; |
| } |
| } |
| return; |
| } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { |
| pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| } else if (Intent.ACTION_USER_STOPPED.equals(action)) { |
| int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| if (userHandle >= 0) { |
| removeUserLocked(userHandle); |
| } |
| } else if (Intent.ACTION_UID_REMOVED.equals(action)) { |
| int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); |
| if (uid >= 0) { |
| mLastAllowWhileIdleDispatch.delete(uid); |
| } |
| } else { |
| if (Intent.ACTION_PACKAGE_REMOVED.equals(action) |
| && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| // This package is being updated; don't kill its alarms. |
| return; |
| } |
| Uri data = intent.getData(); |
| if (data != null) { |
| String pkg = data.getSchemeSpecificPart(); |
| if (pkg != null) { |
| pkgList = new String[]{pkg}; |
| } |
| } |
| } |
| if (pkgList != null && (pkgList.length > 0)) { |
| for (String pkg : pkgList) { |
| removeLocked(pkg); |
| mPriorities.remove(pkg); |
| for (int i=mBroadcastStats.size()-1; i>=0; i--) { |
| ArrayMap<String, BroadcastStats> uidStats = mBroadcastStats.valueAt(i); |
| if (uidStats.remove(pkg) != null) { |
| if (uidStats.size() <= 0) { |
| mBroadcastStats.removeAt(i); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| final class UidObserver extends IUidObserver.Stub { |
| @Override public void onUidStateChanged(int uid, int procState) throws RemoteException { |
| } |
| |
| @Override public void onUidGone(int uid, boolean disabled) throws RemoteException { |
| if (disabled) { |
| synchronized (mLock) { |
| removeForStoppedLocked(uid); |
| } |
| } |
| } |
| |
| @Override public void onUidActive(int uid) throws RemoteException { |
| } |
| |
| @Override public void onUidIdle(int uid, boolean disabled) throws RemoteException { |
| if (disabled) { |
| synchronized (mLock) { |
| removeForStoppedLocked(uid); |
| } |
| } |
| } |
| }; |
| |
| private final BroadcastStats getStatsLocked(PendingIntent pi) { |
| String pkg = pi.getCreatorPackage(); |
| int uid = pi.getCreatorUid(); |
| return getStatsLocked(uid, pkg); |
| } |
| |
| private final BroadcastStats getStatsLocked(int uid, String pkgName) { |
| ArrayMap<String, BroadcastStats> uidStats = mBroadcastStats.get(uid); |
| if (uidStats == null) { |
| uidStats = new ArrayMap<String, BroadcastStats>(); |
| mBroadcastStats.put(uid, uidStats); |
| } |
| BroadcastStats bs = uidStats.get(pkgName); |
| if (bs == null) { |
| bs = new BroadcastStats(uid, pkgName); |
| uidStats.put(pkgName, bs); |
| } |
| return bs; |
| } |
| |
| class DeliveryTracker extends IAlarmCompleteListener.Stub implements PendingIntent.OnFinished { |
| private InFlight removeLocked(PendingIntent pi, Intent intent) { |
| for (int i = 0; i < mInFlight.size(); i++) { |
| if (mInFlight.get(i).mPendingIntent == pi) { |
| return mInFlight.remove(i); |
| } |
| } |
| mLog.w("No in-flight alarm for " + pi + " " + intent); |
| return null; |
| } |
| |
| private InFlight removeLocked(IBinder listener) { |
| for (int i = 0; i < mInFlight.size(); i++) { |
| if (mInFlight.get(i).mListener == listener) { |
| return mInFlight.remove(i); |
| } |
| } |
| mLog.w("No in-flight alarm for listener " + listener); |
| return null; |
| } |
| |
| private void updateStatsLocked(InFlight inflight) { |
| final long nowELAPSED = SystemClock.elapsedRealtime(); |
| BroadcastStats bs = inflight.mBroadcastStats; |
| bs.nesting--; |
| if (bs.nesting <= 0) { |
| bs.nesting = 0; |
| bs.aggregateTime += nowELAPSED - bs.startTime; |
| } |
| FilterStats fs = inflight.mFilterStats; |
| fs.nesting--; |
| if (fs.nesting <= 0) { |
| fs.nesting = 0; |
| fs.aggregateTime += nowELAPSED - fs.startTime; |
| } |
| if (RECORD_ALARMS_IN_HISTORY) { |
| if (inflight.mWorkSource != null && inflight.mWorkSource.size() > 0) { |
| for (int wi=0; wi<inflight.mWorkSource.size(); wi++) { |
| ActivityManager.noteAlarmFinish( |
| inflight.mPendingIntent, inflight.mWorkSource.get(wi), inflight.mTag); |
| } |
| } else { |
| ActivityManager.noteAlarmFinish( |
| inflight.mPendingIntent, inflight.mUid, inflight.mTag); |
| } |
| } |
| } |
| |
| private void updateTrackingLocked(InFlight inflight) { |
| if (inflight != null) { |
| updateStatsLocked(inflight); |
| } |
| mBroadcastRefCount--; |
| if (DEBUG_WAKELOCK) { |
| Slog.d(TAG, "mBroadcastRefCount -> " + mBroadcastRefCount); |
| } |
| if (mBroadcastRefCount == 0) { |
| mHandler.obtainMessage(AlarmHandler.REPORT_ALARMS_ACTIVE, 0).sendToTarget(); |
| mWakeLock.release(); |
| if (mInFlight.size() > 0) { |
| mLog.w("Finished all dispatches with " + mInFlight.size() |
| + " remaining inflights"); |
| for (int i=0; i<mInFlight.size(); i++) { |
| mLog.w(" Remaining #" + i + ": " + mInFlight.get(i)); |
| } |
| mInFlight.clear(); |
| } |
| } else { |
| // the next of our alarms is now in flight. reattribute the wakelock. |
| if (mInFlight.size() > 0) { |
| InFlight inFlight = mInFlight.get(0); |
| setWakelockWorkSource(inFlight.mPendingIntent, inFlight.mWorkSource, |
| inFlight.mAlarmType, inFlight.mTag, -1, false); |
| } else { |
| // should never happen |
| mLog.w("Alarm wakelock still held but sent queue empty"); |
| mWakeLock.setWorkSource(null); |
| } |
| } |
| } |
| |
| /** |
| * Callback that arrives when a direct-call alarm reports that delivery has finished |
| */ |
| @Override |
| public void alarmComplete(IBinder who) { |
| if (who == null) { |
| Slog.w(TAG, "Invalid alarmComplete: uid=" + Binder.getCallingUid() |
| + " pid=" + Binder.getCallingPid()); |
| return; |
| } |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mLock) { |
| mHandler.removeMessages(AlarmHandler.LISTENER_TIMEOUT, who); |
| InFlight inflight = removeLocked(who); |
| if (inflight != null) { |
| if (DEBUG_LISTENER_CALLBACK) { |
| Slog.i(TAG, "alarmComplete() from " + who); |
| } |
| updateTrackingLocked(inflight); |
| } else { |
| // Delivery timed out, and the timeout handling already took care of |
| // updating our tracking here, so we needn't do anything further. |
| if (DEBUG_LISTENER_CALLBACK) { |
| Slog.i(TAG, "Late alarmComplete() from " + who); |
| } |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Callback that arrives when a PendingIntent alarm has finished delivery |
| */ |
| @Override |
| public void onSendFinished(PendingIntent pi, Intent intent, int resultCode, |
| String resultData, Bundle resultExtras) { |
| synchronized (mLock) { |
| updateTrackingLocked(removeLocked(pi, intent)); |
| } |
| } |
| |
| /** |
| * Timeout of a direct-call alarm delivery |
| */ |
| public void alarmTimedOut(IBinder who) { |
| synchronized (mLock) { |
| InFlight inflight = removeLocked(who); |
| if (inflight != null) { |
| // TODO: implement ANR policy for the target |
| if (DEBUG_LISTENER_CALLBACK) { |
| Slog.i(TAG, "Alarm listener " + who + " timed out in delivery"); |
| } |
| updateTrackingLocked(inflight); |
| } else { |
| if (DEBUG_LISTENER_CALLBACK) { |
| Slog.i(TAG, "Spurious timeout of listener " + who); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Deliver an alarm and set up the post-delivery handling appropriately |
| */ |
| public void deliverLocked(Alarm alarm, long nowELAPSED, boolean allowWhileIdle) { |
| if (alarm.operation != null) { |
| // PendingIntent alarm |
| try { |
| alarm.operation.send(getContext(), 0, |
| mBackgroundIntent.putExtra( |
| Intent.EXTRA_ALARM_COUNT, alarm.count), |
| mDeliveryTracker, mHandler, null, |
| allowWhileIdle ? mIdleOptions : null); |
| } catch (PendingIntent.CanceledException e) { |
| if (alarm.repeatInterval > 0) { |
| // This IntentSender is no longer valid, but this |
| // is a repeating alarm, so toss it |
| removeImpl(alarm.operation); |
| } |
| // No actual delivery was possible, so the delivery tracker's |
| // 'finished' callback won't be invoked. We also don't need |
| // to do any wakelock or stats tracking, so we have nothing |
| // left to do here but go on to the next thing. |
| return; |
| } |
| } else { |
| // Direct listener callback alarm |
| try { |
| if (DEBUG_LISTENER_CALLBACK) { |
| Slog.v(TAG, "Alarm to uid=" + alarm.uid |
| + " listener=" + alarm.listener.asBinder()); |
| } |
| alarm.listener.doAlarm(this); |
| mHandler.sendMessageDelayed( |
| mHandler.obtainMessage(AlarmHandler.LISTENER_TIMEOUT, |
| alarm.listener.asBinder()), |
| mConstants.LISTENER_TIMEOUT); |
| } catch (Exception e) { |
| if (DEBUG_LISTENER_CALLBACK) { |
| Slog.i(TAG, "Alarm undeliverable to listener " |
| + alarm.listener.asBinder(), e); |
| } |
| // As in the PendingIntent.CanceledException case, delivery of the |
| // alarm was not possible, so we have no wakelock or timeout or |
| // stats management to do. It threw before we posted the delayed |
| // timeout message, so we're done here. |
| return; |
| } |
| } |
| |
| // The alarm is now in flight; now arrange wakelock and stats tracking |
| if (DEBUG_WAKELOCK) { |
| Slog.d(TAG, "mBroadcastRefCount -> " + (mBroadcastRefCount + 1)); |
| } |
| if (mBroadcastRefCount == 0) { |
| setWakelockWorkSource(alarm.operation, alarm.workSource, |
| alarm.type, alarm.statsTag, (alarm.operation == null) ? alarm.uid : -1, |
| true); |
| mWakeLock.acquire(); |
| mHandler.obtainMessage(AlarmHandler.REPORT_ALARMS_ACTIVE, 1).sendToTarget(); |
| } |
| final InFlight inflight = new InFlight(AlarmManagerService.this, |
| alarm.operation, alarm.listener, alarm.workSource, alarm.uid, |
| alarm.packageName, alarm.type, alarm.statsTag, nowELAPSED); |
| mInFlight.add(inflight); |
| mBroadcastRefCount++; |
| |
| if (allowWhileIdle) { |
| // Record the last time this uid handled an ALLOW_WHILE_IDLE alarm. |
| mLastAllowWhileIdleDispatch.put(alarm.uid, nowELAPSED); |
| if (RECORD_DEVICE_IDLE_ALARMS) { |
| IdleDispatchEntry ent = new IdleDispatchEntry(); |
| ent.uid = alarm.uid; |
| ent.pkg = alarm.packageName; |
| ent.tag = alarm.statsTag; |
| ent.op = "DELIVER"; |
| ent.elapsedRealtime = nowELAPSED; |
| mAllowWhileIdleDispatches.add(ent); |
| } |
| } |
| |
| final BroadcastStats bs = inflight.mBroadcastStats; |
| bs.count++; |
| if (bs.nesting == 0) { |
| bs.nesting = 1; |
| bs.startTime = nowELAPSED; |
| } else { |
| bs.nesting++; |
| } |
| final FilterStats fs = inflight.mFilterStats; |
| fs.count++; |
| if (fs.nesting == 0) { |
| fs.nesting = 1; |
| fs.startTime = nowELAPSED; |
| } else { |
| fs.nesting++; |
| } |
| if (alarm.type == ELAPSED_REALTIME_WAKEUP |
| || alarm.type == RTC_WAKEUP) { |
| bs.numWakeup++; |
| fs.numWakeup++; |
| if (alarm.workSource != null && alarm.workSource.size() > 0) { |
| for (int wi=0; wi<alarm.workSource.size(); wi++) { |
| final String wsName = alarm.workSource.getName(wi); |
| ActivityManager.noteWakeupAlarm( |
| alarm.operation, alarm.workSource.get(wi), |
| (wsName != null) ? wsName : alarm.packageName, |
| alarm.statsTag); |
| } |
| } else { |
| ActivityManager.noteWakeupAlarm( |
| alarm.operation, alarm.uid, alarm.packageName, alarm.statsTag); |
| } |
| } |
| } |
| } |
| } |