The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server; |
| 18 | |
Dianne Hackborn | 21f1bd1 | 2010-02-19 17:02:21 -0800 | [diff] [blame] | 19 | import android.app.Activity; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | import android.app.ActivityManagerNative; |
| 21 | import android.app.AlarmManager; |
| 22 | import android.app.IAlarmManager; |
| 23 | import android.app.PendingIntent; |
| 24 | import android.content.BroadcastReceiver; |
| 25 | import android.content.Context; |
| 26 | import android.content.Intent; |
| 27 | import android.content.IntentFilter; |
| 28 | import android.content.pm.PackageManager; |
| 29 | import android.net.Uri; |
| 30 | import android.os.Binder; |
| 31 | import android.os.Bundle; |
| 32 | import android.os.Handler; |
| 33 | import android.os.Message; |
| 34 | import android.os.PowerManager; |
| 35 | import android.os.SystemClock; |
| 36 | import android.os.SystemProperties; |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 37 | import android.os.UserHandle; |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 38 | import android.os.WorkSource; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | import android.text.TextUtils; |
| 40 | import android.text.format.Time; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 41 | import android.util.Slog; |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 42 | import android.util.TimeUtils; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | |
| 44 | import java.io.FileDescriptor; |
| 45 | import java.io.PrintWriter; |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 46 | import java.text.SimpleDateFormat; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | import java.util.ArrayList; |
| 48 | import java.util.Calendar; |
| 49 | import java.util.Collections; |
| 50 | import java.util.Comparator; |
Mike Lockwood | 1f7b413 | 2009-11-20 15:12:51 -0500 | [diff] [blame] | 51 | import java.util.Date; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | import java.util.HashMap; |
| 53 | import java.util.Iterator; |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 54 | import java.util.LinkedList; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | import java.util.Map; |
| 56 | import java.util.TimeZone; |
| 57 | |
| 58 | class AlarmManagerService extends IAlarmManager.Stub { |
| 59 | // The threshold for how long an alarm can be late before we print a |
| 60 | // warning message. The time duration is in milliseconds. |
| 61 | private static final long LATE_ALARM_THRESHOLD = 10 * 1000; |
| 62 | |
| 63 | private static final int RTC_WAKEUP_MASK = 1 << AlarmManager.RTC_WAKEUP; |
| 64 | private static final int RTC_MASK = 1 << AlarmManager.RTC; |
| 65 | private static final int ELAPSED_REALTIME_WAKEUP_MASK = 1 << AlarmManager.ELAPSED_REALTIME_WAKEUP; |
| 66 | private static final int ELAPSED_REALTIME_MASK = 1 << AlarmManager.ELAPSED_REALTIME; |
| 67 | private static final int TIME_CHANGED_MASK = 1 << 16; |
Christopher Tate | b8849c1 | 2011-02-08 13:39:01 -0800 | [diff] [blame] | 68 | |
| 69 | // Alignment quantum for inexact repeating alarms |
| 70 | private static final long QUANTUM = AlarmManager.INTERVAL_FIFTEEN_MINUTES; |
| 71 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 72 | private static final String TAG = "AlarmManager"; |
| 73 | private static final String ClockReceiver_TAG = "ClockReceiver"; |
| 74 | private static final boolean localLOGV = false; |
| 75 | private static final int ALARM_EVENT = 1; |
| 76 | private static final String TIMEZONE_PROPERTY = "persist.sys.timezone"; |
| 77 | |
| 78 | private static final Intent mBackgroundIntent |
| 79 | = new Intent().addFlags(Intent.FLAG_FROM_BACKGROUND); |
| 80 | |
| 81 | private final Context mContext; |
| 82 | |
| 83 | private Object mLock = new Object(); |
| 84 | |
| 85 | private final ArrayList<Alarm> mRtcWakeupAlarms = new ArrayList<Alarm>(); |
| 86 | private final ArrayList<Alarm> mRtcAlarms = new ArrayList<Alarm>(); |
| 87 | private final ArrayList<Alarm> mElapsedRealtimeWakeupAlarms = new ArrayList<Alarm>(); |
| 88 | private final ArrayList<Alarm> mElapsedRealtimeAlarms = new ArrayList<Alarm>(); |
| 89 | private final IncreasingTimeOrder mIncreasingTimeOrder = new IncreasingTimeOrder(); |
| 90 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | private int mDescriptor; |
| 92 | private int mBroadcastRefCount = 0; |
| 93 | private PowerManager.WakeLock mWakeLock; |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 94 | private LinkedList<PendingIntent> mInFlight = new LinkedList<PendingIntent>(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 95 | private final AlarmThread mWaitThread = new AlarmThread(); |
| 96 | private final AlarmHandler mHandler = new AlarmHandler(); |
| 97 | private ClockReceiver mClockReceiver; |
| 98 | private UninstallReceiver mUninstallReceiver; |
| 99 | private final ResultReceiver mResultReceiver = new ResultReceiver(); |
| 100 | private final PendingIntent mTimeTickSender; |
| 101 | private final PendingIntent mDateChangeSender; |
| 102 | |
| 103 | private static final class FilterStats { |
| 104 | int count; |
| 105 | } |
| 106 | |
| 107 | private static final class BroadcastStats { |
| 108 | long aggregateTime; |
| 109 | int numWakeup; |
| 110 | long startTime; |
| 111 | int nesting; |
| 112 | HashMap<Intent.FilterComparison, FilterStats> filterStats |
| 113 | = new HashMap<Intent.FilterComparison, FilterStats>(); |
| 114 | } |
| 115 | |
| 116 | private final HashMap<String, BroadcastStats> mBroadcastStats |
| 117 | = new HashMap<String, BroadcastStats>(); |
| 118 | |
| 119 | public AlarmManagerService(Context context) { |
| 120 | mContext = context; |
| 121 | mDescriptor = init(); |
Robert CH Chou | 64ba8e4 | 2009-11-04 21:38:49 +0800 | [diff] [blame] | 122 | |
| 123 | // We have to set current TimeZone info to kernel |
| 124 | // because kernel doesn't keep this after reboot |
| 125 | String tz = SystemProperties.get(TIMEZONE_PROPERTY); |
| 126 | if (tz != null) { |
| 127 | setTimeZone(tz); |
| 128 | } |
| 129 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 130 | PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| 131 | mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 132 | |
| 133 | mTimeTickSender = PendingIntent.getBroadcast(context, 0, |
| 134 | new Intent(Intent.ACTION_TIME_TICK).addFlags( |
| 135 | Intent.FLAG_RECEIVER_REGISTERED_ONLY), 0); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 136 | Intent intent = new Intent(Intent.ACTION_DATE_CHANGED); |
| 137 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| 138 | mDateChangeSender = PendingIntent.getBroadcast(context, 0, intent, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 139 | |
| 140 | // now that we have initied the driver schedule the alarm |
| 141 | mClockReceiver= new ClockReceiver(); |
| 142 | mClockReceiver.scheduleTimeTickEvent(); |
| 143 | mClockReceiver.scheduleDateChangedEvent(); |
| 144 | mUninstallReceiver = new UninstallReceiver(); |
| 145 | |
| 146 | if (mDescriptor != -1) { |
| 147 | mWaitThread.start(); |
| 148 | } else { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 149 | Slog.w(TAG, "Failed to open alarm driver. Falling back to a handler."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 150 | } |
| 151 | } |
| 152 | |
| 153 | protected void finalize() throws Throwable { |
| 154 | try { |
| 155 | close(mDescriptor); |
| 156 | } finally { |
| 157 | super.finalize(); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | public void set(int type, long triggerAtTime, PendingIntent operation) { |
| 162 | setRepeating(type, triggerAtTime, 0, operation); |
| 163 | } |
| 164 | |
| 165 | public void setRepeating(int type, long triggerAtTime, long interval, |
| 166 | PendingIntent operation) { |
| 167 | if (operation == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 168 | Slog.w(TAG, "set/setRepeating ignored because there is no intent"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 169 | return; |
| 170 | } |
| 171 | synchronized (mLock) { |
| 172 | Alarm alarm = new Alarm(); |
| 173 | alarm.type = type; |
| 174 | alarm.when = triggerAtTime; |
| 175 | alarm.repeatInterval = interval; |
| 176 | alarm.operation = operation; |
| 177 | |
| 178 | // Remove this alarm if already scheduled. |
| 179 | removeLocked(operation); |
| 180 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 181 | if (localLOGV) Slog.v(TAG, "set: " + alarm); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 182 | |
| 183 | int index = addAlarmLocked(alarm); |
| 184 | if (index == 0) { |
| 185 | setLocked(alarm); |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | public void setInexactRepeating(int type, long triggerAtTime, long interval, |
| 191 | PendingIntent operation) { |
| 192 | if (operation == null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 193 | Slog.w(TAG, "setInexactRepeating ignored because there is no intent"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 194 | return; |
| 195 | } |
| 196 | |
Christopher Tate | b8849c1 | 2011-02-08 13:39:01 -0800 | [diff] [blame] | 197 | if (interval <= 0) { |
| 198 | Slog.w(TAG, "setInexactRepeating ignored because interval " + interval |
| 199 | + " is invalid"); |
| 200 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 201 | } |
Christopher Tate | b8849c1 | 2011-02-08 13:39:01 -0800 | [diff] [blame] | 202 | |
| 203 | // If the requested interval isn't a multiple of 15 minutes, just treat it as exact |
| 204 | if (interval % QUANTUM != 0) { |
| 205 | if (localLOGV) Slog.v(TAG, "Interval " + interval + " not a quantum multiple"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 206 | setRepeating(type, triggerAtTime, interval, operation); |
| 207 | return; |
| 208 | } |
| 209 | |
Christopher Tate | b8849c1 | 2011-02-08 13:39:01 -0800 | [diff] [blame] | 210 | // Translate times into the ELAPSED timebase for alignment purposes so that |
| 211 | // alignment never tries to match against wall clock times. |
| 212 | final boolean isRtc = (type == AlarmManager.RTC || type == AlarmManager.RTC_WAKEUP); |
| 213 | final long skew = (isRtc) |
| 214 | ? System.currentTimeMillis() - SystemClock.elapsedRealtime() |
| 215 | : 0; |
| 216 | |
| 217 | // Slip forward to the next ELAPSED-timebase quantum after the stated time. If |
| 218 | // we're *at* a quantum point, leave it alone. |
| 219 | final long adjustedTriggerTime; |
| 220 | long offset = (triggerAtTime - skew) % QUANTUM; |
| 221 | if (offset != 0) { |
| 222 | adjustedTriggerTime = triggerAtTime - offset + QUANTUM; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 223 | } else { |
Christopher Tate | b8849c1 | 2011-02-08 13:39:01 -0800 | [diff] [blame] | 224 | adjustedTriggerTime = triggerAtTime; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 225 | } |
| 226 | |
Christopher Tate | b8849c1 | 2011-02-08 13:39:01 -0800 | [diff] [blame] | 227 | // Set the alarm based on the quantum-aligned start time |
| 228 | if (localLOGV) Slog.v(TAG, "setInexactRepeating: type=" + type + " interval=" + interval |
| 229 | + " trigger=" + adjustedTriggerTime + " orig=" + triggerAtTime); |
| 230 | setRepeating(type, adjustedTriggerTime, interval, operation); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 231 | } |
| 232 | |
Dan Egnor | 97e4494 | 2010-02-04 20:27:47 -0800 | [diff] [blame] | 233 | public void setTime(long millis) { |
| 234 | mContext.enforceCallingOrSelfPermission( |
| 235 | "android.permission.SET_TIME", |
| 236 | "setTime"); |
| 237 | |
| 238 | SystemClock.setCurrentTimeMillis(millis); |
| 239 | } |
| 240 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 241 | public void setTimeZone(String tz) { |
| 242 | mContext.enforceCallingOrSelfPermission( |
| 243 | "android.permission.SET_TIME_ZONE", |
| 244 | "setTimeZone"); |
| 245 | |
Christopher Tate | 8977982 | 2012-08-31 14:40:03 -0700 | [diff] [blame] | 246 | long oldId = Binder.clearCallingIdentity(); |
| 247 | try { |
| 248 | if (TextUtils.isEmpty(tz)) return; |
| 249 | TimeZone zone = TimeZone.getTimeZone(tz); |
| 250 | // Prevent reentrant calls from stepping on each other when writing |
| 251 | // the time zone property |
| 252 | boolean timeZoneWasChanged = false; |
| 253 | synchronized (this) { |
| 254 | String current = SystemProperties.get(TIMEZONE_PROPERTY); |
| 255 | if (current == null || !current.equals(zone.getID())) { |
| 256 | if (localLOGV) { |
| 257 | Slog.v(TAG, "timezone changed: " + current + ", new=" + zone.getID()); |
| 258 | } |
| 259 | timeZoneWasChanged = true; |
| 260 | SystemProperties.set(TIMEZONE_PROPERTY, zone.getID()); |
| 261 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 262 | |
Christopher Tate | 8977982 | 2012-08-31 14:40:03 -0700 | [diff] [blame] | 263 | // Update the kernel timezone information |
| 264 | // Kernel tracks time offsets as 'minutes west of GMT' |
| 265 | int gmtOffset = zone.getOffset(System.currentTimeMillis()); |
| 266 | setKernelTimezone(mDescriptor, -(gmtOffset / 60000)); |
| 267 | } |
| 268 | |
| 269 | TimeZone.setDefault(null); |
| 270 | |
| 271 | if (timeZoneWasChanged) { |
| 272 | Intent intent = new Intent(Intent.ACTION_TIMEZONE_CHANGED); |
| 273 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| 274 | intent.putExtra("time-zone", zone.getID()); |
| 275 | mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| 276 | } |
| 277 | } finally { |
| 278 | Binder.restoreCallingIdentity(oldId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | } |
| 280 | } |
| 281 | |
| 282 | public void remove(PendingIntent operation) { |
| 283 | if (operation == null) { |
| 284 | return; |
| 285 | } |
| 286 | synchronized (mLock) { |
| 287 | removeLocked(operation); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | public void removeLocked(PendingIntent operation) { |
| 292 | removeLocked(mRtcWakeupAlarms, operation); |
| 293 | removeLocked(mRtcAlarms, operation); |
| 294 | removeLocked(mElapsedRealtimeWakeupAlarms, operation); |
| 295 | removeLocked(mElapsedRealtimeAlarms, operation); |
| 296 | } |
| 297 | |
| 298 | private void removeLocked(ArrayList<Alarm> alarmList, |
| 299 | PendingIntent operation) { |
| 300 | if (alarmList.size() <= 0) { |
| 301 | return; |
| 302 | } |
| 303 | |
| 304 | // iterator over the list removing any it where the intent match |
| 305 | Iterator<Alarm> it = alarmList.iterator(); |
| 306 | |
| 307 | while (it.hasNext()) { |
| 308 | Alarm alarm = it.next(); |
| 309 | if (alarm.operation.equals(operation)) { |
| 310 | it.remove(); |
| 311 | } |
| 312 | } |
| 313 | } |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 314 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 315 | public void removeLocked(String packageName) { |
| 316 | removeLocked(mRtcWakeupAlarms, packageName); |
| 317 | removeLocked(mRtcAlarms, packageName); |
| 318 | removeLocked(mElapsedRealtimeWakeupAlarms, packageName); |
| 319 | removeLocked(mElapsedRealtimeAlarms, packageName); |
| 320 | } |
| 321 | |
| 322 | private void removeLocked(ArrayList<Alarm> alarmList, |
| 323 | String packageName) { |
| 324 | if (alarmList.size() <= 0) { |
| 325 | return; |
| 326 | } |
| 327 | |
| 328 | // iterator over the list removing any it where the intent match |
| 329 | Iterator<Alarm> it = alarmList.iterator(); |
| 330 | |
| 331 | while (it.hasNext()) { |
| 332 | Alarm alarm = it.next(); |
| 333 | if (alarm.operation.getTargetPackage().equals(packageName)) { |
| 334 | it.remove(); |
| 335 | } |
| 336 | } |
| 337 | } |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 338 | |
| 339 | public void removeUserLocked(int userHandle) { |
| 340 | removeUserLocked(mRtcWakeupAlarms, userHandle); |
| 341 | removeUserLocked(mRtcAlarms, userHandle); |
| 342 | removeUserLocked(mElapsedRealtimeWakeupAlarms, userHandle); |
| 343 | removeUserLocked(mElapsedRealtimeAlarms, userHandle); |
| 344 | } |
| 345 | |
| 346 | private void removeUserLocked(ArrayList<Alarm> alarmList, int userHandle) { |
| 347 | if (alarmList.size() <= 0) { |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | // iterator over the list removing any it where the intent match |
| 352 | Iterator<Alarm> it = alarmList.iterator(); |
| 353 | |
| 354 | while (it.hasNext()) { |
| 355 | Alarm alarm = it.next(); |
Dianne Hackborn | 8832c18 | 2012-09-17 17:20:24 -0700 | [diff] [blame] | 356 | if (UserHandle.getUserId(alarm.operation.getCreatorUid()) == userHandle) { |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 357 | it.remove(); |
| 358 | } |
| 359 | } |
| 360 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 361 | |
Dianne Hackborn | 21f1bd1 | 2010-02-19 17:02:21 -0800 | [diff] [blame] | 362 | public boolean lookForPackageLocked(String packageName) { |
| 363 | return lookForPackageLocked(mRtcWakeupAlarms, packageName) |
| 364 | || lookForPackageLocked(mRtcAlarms, packageName) |
| 365 | || lookForPackageLocked(mElapsedRealtimeWakeupAlarms, packageName) |
| 366 | || lookForPackageLocked(mElapsedRealtimeAlarms, packageName); |
| 367 | } |
| 368 | |
| 369 | private boolean lookForPackageLocked(ArrayList<Alarm> alarmList, String packageName) { |
| 370 | for (int i=alarmList.size()-1; i>=0; i--) { |
| 371 | if (alarmList.get(i).operation.getTargetPackage().equals(packageName)) { |
| 372 | return true; |
| 373 | } |
| 374 | } |
| 375 | return false; |
| 376 | } |
| 377 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 378 | private ArrayList<Alarm> getAlarmList(int type) { |
| 379 | switch (type) { |
| 380 | case AlarmManager.RTC_WAKEUP: return mRtcWakeupAlarms; |
| 381 | case AlarmManager.RTC: return mRtcAlarms; |
| 382 | case AlarmManager.ELAPSED_REALTIME_WAKEUP: return mElapsedRealtimeWakeupAlarms; |
| 383 | case AlarmManager.ELAPSED_REALTIME: return mElapsedRealtimeAlarms; |
| 384 | } |
| 385 | |
| 386 | return null; |
| 387 | } |
| 388 | |
| 389 | private int addAlarmLocked(Alarm alarm) { |
| 390 | ArrayList<Alarm> alarmList = getAlarmList(alarm.type); |
| 391 | |
| 392 | int index = Collections.binarySearch(alarmList, alarm, mIncreasingTimeOrder); |
| 393 | if (index < 0) { |
| 394 | index = 0 - index - 1; |
| 395 | } |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 396 | if (localLOGV) Slog.v(TAG, "Adding alarm " + alarm + " at " + index); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 397 | alarmList.add(index, alarm); |
| 398 | |
| 399 | if (localLOGV) { |
| 400 | // Display the list of alarms for this alarm type |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 401 | Slog.v(TAG, "alarms: " + alarmList.size() + " type: " + alarm.type); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | int position = 0; |
| 403 | for (Alarm a : alarmList) { |
| 404 | Time time = new Time(); |
| 405 | time.set(a.when); |
| 406 | String timeStr = time.format("%b %d %I:%M:%S %p"); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 407 | Slog.v(TAG, position + ": " + timeStr |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 408 | + " " + a.operation.getTargetPackage()); |
| 409 | position += 1; |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | return index; |
| 414 | } |
| 415 | |
| 416 | public long timeToNextAlarm() { |
Jeff Brown | 11c5f1a | 2010-03-31 15:29:40 -0700 | [diff] [blame] | 417 | long nextAlarm = Long.MAX_VALUE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 418 | synchronized (mLock) { |
| 419 | for (int i=AlarmManager.RTC_WAKEUP; |
| 420 | i<=AlarmManager.ELAPSED_REALTIME; i++) { |
| 421 | ArrayList<Alarm> alarmList = getAlarmList(i); |
| 422 | if (alarmList.size() > 0) { |
| 423 | Alarm a = alarmList.get(0); |
| 424 | if (a.when < nextAlarm) { |
| 425 | nextAlarm = a.when; |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | return nextAlarm; |
| 431 | } |
| 432 | |
| 433 | private void setLocked(Alarm alarm) |
| 434 | { |
| 435 | if (mDescriptor != -1) |
| 436 | { |
Jeff Brown | 11c5f1a | 2010-03-31 15:29:40 -0700 | [diff] [blame] | 437 | // The kernel never triggers alarms with negative wakeup times |
| 438 | // so we ensure they are positive. |
| 439 | long alarmSeconds, alarmNanoseconds; |
| 440 | if (alarm.when < 0) { |
| 441 | alarmSeconds = 0; |
| 442 | alarmNanoseconds = 0; |
| 443 | } else { |
| 444 | alarmSeconds = alarm.when / 1000; |
| 445 | alarmNanoseconds = (alarm.when % 1000) * 1000 * 1000; |
| 446 | } |
| 447 | |
| 448 | set(mDescriptor, alarm.type, alarmSeconds, alarmNanoseconds); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 449 | } |
| 450 | else |
| 451 | { |
| 452 | Message msg = Message.obtain(); |
| 453 | msg.what = ALARM_EVENT; |
| 454 | |
| 455 | mHandler.removeMessages(ALARM_EVENT); |
| 456 | mHandler.sendMessageAtTime(msg, alarm.when); |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | @Override |
| 461 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 462 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 463 | != PackageManager.PERMISSION_GRANTED) { |
| 464 | pw.println("Permission Denial: can't dump AlarmManager from from pid=" |
| 465 | + Binder.getCallingPid() |
| 466 | + ", uid=" + Binder.getCallingUid()); |
| 467 | return; |
| 468 | } |
| 469 | |
| 470 | synchronized (mLock) { |
| 471 | pw.println("Current Alarm Manager state:"); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 472 | if (mRtcWakeupAlarms.size() > 0 || mRtcAlarms.size() > 0) { |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 473 | final long now = System.currentTimeMillis(); |
| 474 | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 475 | pw.println(" "); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 476 | pw.print(" Realtime wakeup (now="); |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 477 | pw.print(sdf.format(new Date(now))); pw.println("):"); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 478 | if (mRtcWakeupAlarms.size() > 0) { |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 479 | dumpAlarmList(pw, mRtcWakeupAlarms, " ", "RTC_WAKEUP", now); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 480 | } |
| 481 | if (mRtcAlarms.size() > 0) { |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 482 | dumpAlarmList(pw, mRtcAlarms, " ", "RTC", now); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 483 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 484 | } |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 485 | if (mElapsedRealtimeWakeupAlarms.size() > 0 || mElapsedRealtimeAlarms.size() > 0) { |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 486 | final long now = SystemClock.elapsedRealtime(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 487 | pw.println(" "); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 488 | pw.print(" Elapsed realtime wakeup (now="); |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 489 | TimeUtils.formatDuration(now, pw); pw.println("):"); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 490 | if (mElapsedRealtimeWakeupAlarms.size() > 0) { |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 491 | dumpAlarmList(pw, mElapsedRealtimeWakeupAlarms, " ", "ELAPSED_WAKEUP", now); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 492 | } |
| 493 | if (mElapsedRealtimeAlarms.size() > 0) { |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 494 | dumpAlarmList(pw, mElapsedRealtimeAlarms, " ", "ELAPSED", now); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 495 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | pw.println(" "); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 499 | pw.print(" Broadcast ref count: "); pw.println(mBroadcastRefCount); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 500 | |
| 501 | pw.println(" "); |
| 502 | pw.println(" Alarm Stats:"); |
| 503 | for (Map.Entry<String, BroadcastStats> be : mBroadcastStats.entrySet()) { |
| 504 | BroadcastStats bs = be.getValue(); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 505 | pw.print(" "); pw.println(be.getKey()); |
| 506 | pw.print(" "); pw.print(bs.aggregateTime); |
| 507 | pw.print("ms running, "); pw.print(bs.numWakeup); |
| 508 | pw.println(" wakeups"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 509 | for (Map.Entry<Intent.FilterComparison, FilterStats> fe |
| 510 | : bs.filterStats.entrySet()) { |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 511 | pw.print(" "); pw.print(fe.getValue().count); |
| 512 | pw.print(" alarms: "); |
Dianne Hackborn | 21c241e | 2012-03-08 13:57:23 -0800 | [diff] [blame] | 513 | pw.println(fe.getKey().getIntent().toShortString( |
| 514 | false, true, false, true)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 515 | } |
| 516 | } |
| 517 | } |
| 518 | } |
| 519 | |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 520 | private static final void dumpAlarmList(PrintWriter pw, ArrayList<Alarm> list, |
| 521 | String prefix, String label, long now) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 522 | for (int i=list.size()-1; i>=0; i--) { |
| 523 | Alarm a = list.get(i); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 524 | pw.print(prefix); pw.print(label); pw.print(" #"); pw.print(i); |
| 525 | pw.print(": "); pw.println(a); |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 526 | a.dump(pw, prefix + " ", now); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 527 | } |
| 528 | } |
| 529 | |
| 530 | private native int init(); |
| 531 | private native void close(int fd); |
Jeff Brown | 11c5f1a | 2010-03-31 15:29:40 -0700 | [diff] [blame] | 532 | private native void set(int fd, int type, long seconds, long nanoseconds); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 533 | private native int waitForAlarm(int fd); |
| 534 | private native int setKernelTimezone(int fd, int minuteswest); |
| 535 | |
| 536 | private void triggerAlarmsLocked(ArrayList<Alarm> alarmList, |
| 537 | ArrayList<Alarm> triggerList, |
| 538 | long now) |
| 539 | { |
| 540 | Iterator<Alarm> it = alarmList.iterator(); |
| 541 | ArrayList<Alarm> repeats = new ArrayList<Alarm>(); |
| 542 | |
| 543 | while (it.hasNext()) |
| 544 | { |
| 545 | Alarm alarm = it.next(); |
| 546 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 547 | if (localLOGV) Slog.v(TAG, "Checking active alarm when=" + alarm.when + " " + alarm); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 548 | |
| 549 | if (alarm.when > now) { |
| 550 | // don't fire alarms in the future |
| 551 | break; |
| 552 | } |
| 553 | |
| 554 | // If the alarm is late, then print a warning message. |
| 555 | // Note that this can happen if the user creates a new event on |
| 556 | // the Calendar app with a reminder that is in the past. In that |
| 557 | // case, the reminder alarm will fire immediately. |
| 558 | if (localLOGV && now - alarm.when > LATE_ALARM_THRESHOLD) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 559 | Slog.v(TAG, "alarm is late! alarm time: " + alarm.when |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 560 | + " now: " + now + " delay (in seconds): " |
| 561 | + (now - alarm.when) / 1000); |
| 562 | } |
| 563 | |
| 564 | // Recurring alarms may have passed several alarm intervals while the |
| 565 | // phone was asleep or off, so pass a trigger count when sending them. |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 566 | if (localLOGV) Slog.v(TAG, "Alarm triggering: " + alarm); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 567 | alarm.count = 1; |
| 568 | if (alarm.repeatInterval > 0) { |
| 569 | // this adjustment will be zero if we're late by |
| 570 | // less than one full repeat interval |
| 571 | alarm.count += (now - alarm.when) / alarm.repeatInterval; |
| 572 | } |
| 573 | triggerList.add(alarm); |
| 574 | |
| 575 | // remove the alarm from the list |
| 576 | it.remove(); |
| 577 | |
| 578 | // if it repeats queue it up to be read-added to the list |
| 579 | if (alarm.repeatInterval > 0) { |
| 580 | repeats.add(alarm); |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | // reset any repeating alarms. |
| 585 | it = repeats.iterator(); |
| 586 | while (it.hasNext()) { |
| 587 | Alarm alarm = it.next(); |
| 588 | alarm.when += alarm.count * alarm.repeatInterval; |
| 589 | addAlarmLocked(alarm); |
| 590 | } |
| 591 | |
| 592 | if (alarmList.size() > 0) { |
| 593 | setLocked(alarmList.get(0)); |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * This Comparator sorts Alarms into increasing time order. |
| 599 | */ |
| 600 | public static class IncreasingTimeOrder implements Comparator<Alarm> { |
| 601 | public int compare(Alarm a1, Alarm a2) { |
| 602 | long when1 = a1.when; |
| 603 | long when2 = a2.when; |
| 604 | if (when1 - when2 > 0) { |
| 605 | return 1; |
| 606 | } |
| 607 | if (when1 - when2 < 0) { |
| 608 | return -1; |
| 609 | } |
| 610 | return 0; |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | private static class Alarm { |
| 615 | public int type; |
| 616 | public int count; |
| 617 | public long when; |
| 618 | public long repeatInterval; |
| 619 | public PendingIntent operation; |
| 620 | |
| 621 | public Alarm() { |
| 622 | when = 0; |
| 623 | repeatInterval = 0; |
| 624 | operation = null; |
| 625 | } |
| 626 | |
| 627 | @Override |
| 628 | public String toString() |
| 629 | { |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 630 | StringBuilder sb = new StringBuilder(128); |
| 631 | sb.append("Alarm{"); |
| 632 | sb.append(Integer.toHexString(System.identityHashCode(this))); |
| 633 | sb.append(" type "); |
| 634 | sb.append(type); |
| 635 | sb.append(" "); |
| 636 | sb.append(operation.getTargetPackage()); |
| 637 | sb.append('}'); |
| 638 | return sb.toString(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 639 | } |
| 640 | |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 641 | public void dump(PrintWriter pw, String prefix, long now) { |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 642 | pw.print(prefix); pw.print("type="); pw.print(type); |
Dianne Hackborn | 043fcd9 | 2010-10-06 14:27:34 -0700 | [diff] [blame] | 643 | pw.print(" when="); TimeUtils.formatDuration(when, now, pw); |
Dianne Hackborn | 1d442e0 | 2009-04-20 18:14:05 -0700 | [diff] [blame] | 644 | pw.print(" repeatInterval="); pw.print(repeatInterval); |
| 645 | pw.print(" count="); pw.println(count); |
| 646 | pw.print(prefix); pw.print("operation="); pw.println(operation); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 647 | } |
| 648 | } |
| 649 | |
| 650 | private class AlarmThread extends Thread |
| 651 | { |
| 652 | public AlarmThread() |
| 653 | { |
| 654 | super("AlarmManager"); |
| 655 | } |
| 656 | |
| 657 | public void run() |
| 658 | { |
| 659 | while (true) |
| 660 | { |
| 661 | int result = waitForAlarm(mDescriptor); |
| 662 | |
| 663 | ArrayList<Alarm> triggerList = new ArrayList<Alarm>(); |
| 664 | |
| 665 | if ((result & TIME_CHANGED_MASK) != 0) { |
| 666 | remove(mTimeTickSender); |
| 667 | mClockReceiver.scheduleTimeTickEvent(); |
Dianne Hackborn | 1c633fc | 2009-12-08 19:45:14 -0800 | [diff] [blame] | 668 | Intent intent = new Intent(Intent.ACTION_TIME_CHANGED); |
Dianne Hackborn | 89ba675 | 2011-01-23 16:51:16 -0800 | [diff] [blame] | 669 | intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING |
| 670 | | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 671 | mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | synchronized (mLock) { |
| 675 | final long nowRTC = System.currentTimeMillis(); |
| 676 | final long nowELAPSED = SystemClock.elapsedRealtime(); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 677 | if (localLOGV) Slog.v( |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 678 | TAG, "Checking for alarms... rtc=" + nowRTC |
| 679 | + ", elapsed=" + nowELAPSED); |
| 680 | |
| 681 | if ((result & RTC_WAKEUP_MASK) != 0) |
| 682 | triggerAlarmsLocked(mRtcWakeupAlarms, triggerList, nowRTC); |
| 683 | |
| 684 | if ((result & RTC_MASK) != 0) |
| 685 | triggerAlarmsLocked(mRtcAlarms, triggerList, nowRTC); |
| 686 | |
| 687 | if ((result & ELAPSED_REALTIME_WAKEUP_MASK) != 0) |
| 688 | triggerAlarmsLocked(mElapsedRealtimeWakeupAlarms, triggerList, nowELAPSED); |
| 689 | |
| 690 | if ((result & ELAPSED_REALTIME_MASK) != 0) |
| 691 | triggerAlarmsLocked(mElapsedRealtimeAlarms, triggerList, nowELAPSED); |
| 692 | |
| 693 | // now trigger the alarms |
| 694 | Iterator<Alarm> it = triggerList.iterator(); |
| 695 | while (it.hasNext()) { |
| 696 | Alarm alarm = it.next(); |
| 697 | try { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 698 | if (localLOGV) Slog.v(TAG, "sending alarm " + alarm); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 699 | alarm.operation.send(mContext, 0, |
| 700 | mBackgroundIntent.putExtra( |
| 701 | Intent.EXTRA_ALARM_COUNT, alarm.count), |
| 702 | mResultReceiver, mHandler); |
| 703 | |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 704 | // we have an active broadcast so stay awake. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 705 | if (mBroadcastRefCount == 0) { |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 706 | setWakelockWorkSource(alarm.operation); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 707 | mWakeLock.acquire(); |
| 708 | } |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 709 | mInFlight.add(alarm.operation); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 710 | mBroadcastRefCount++; |
| 711 | |
| 712 | BroadcastStats bs = getStatsLocked(alarm.operation); |
| 713 | if (bs.nesting == 0) { |
| 714 | bs.startTime = nowELAPSED; |
| 715 | } else { |
| 716 | bs.nesting++; |
| 717 | } |
| 718 | if (alarm.type == AlarmManager.ELAPSED_REALTIME_WAKEUP |
| 719 | || alarm.type == AlarmManager.RTC_WAKEUP) { |
| 720 | bs.numWakeup++; |
| 721 | ActivityManagerNative.noteWakeupAlarm( |
| 722 | alarm.operation); |
| 723 | } |
| 724 | } catch (PendingIntent.CanceledException e) { |
| 725 | if (alarm.repeatInterval > 0) { |
| 726 | // This IntentSender is no longer valid, but this |
| 727 | // is a repeating alarm, so toss the hoser. |
| 728 | remove(alarm.operation); |
| 729 | } |
| 730 | } catch (RuntimeException e) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 731 | Slog.w(TAG, "Failure sending alarm.", e); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 732 | } |
| 733 | } |
| 734 | } |
| 735 | } |
| 736 | } |
| 737 | } |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 738 | |
| 739 | void setWakelockWorkSource(PendingIntent pi) { |
| 740 | try { |
| 741 | final int uid = ActivityManagerNative.getDefault() |
| 742 | .getUidForIntentSender(pi.getTarget()); |
| 743 | if (uid >= 0) { |
| 744 | mWakeLock.setWorkSource(new WorkSource(uid)); |
| 745 | return; |
| 746 | } |
| 747 | } catch (Exception e) { |
| 748 | } |
| 749 | |
| 750 | // Something went wrong; fall back to attributing the lock to the OS |
| 751 | mWakeLock.setWorkSource(null); |
| 752 | } |
| 753 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 754 | private class AlarmHandler extends Handler { |
| 755 | public static final int ALARM_EVENT = 1; |
| 756 | public static final int MINUTE_CHANGE_EVENT = 2; |
| 757 | public static final int DATE_CHANGE_EVENT = 3; |
| 758 | |
| 759 | public AlarmHandler() { |
| 760 | } |
| 761 | |
| 762 | public void handleMessage(Message msg) { |
| 763 | if (msg.what == ALARM_EVENT) { |
| 764 | ArrayList<Alarm> triggerList = new ArrayList<Alarm>(); |
| 765 | synchronized (mLock) { |
| 766 | final long nowRTC = System.currentTimeMillis(); |
| 767 | triggerAlarmsLocked(mRtcWakeupAlarms, triggerList, nowRTC); |
| 768 | triggerAlarmsLocked(mRtcAlarms, triggerList, nowRTC); |
| 769 | triggerAlarmsLocked(mElapsedRealtimeWakeupAlarms, triggerList, nowRTC); |
| 770 | triggerAlarmsLocked(mElapsedRealtimeAlarms, triggerList, nowRTC); |
| 771 | } |
| 772 | |
| 773 | // now trigger the alarms without the lock held |
| 774 | Iterator<Alarm> it = triggerList.iterator(); |
| 775 | while (it.hasNext()) |
| 776 | { |
| 777 | Alarm alarm = it.next(); |
| 778 | try { |
| 779 | alarm.operation.send(); |
| 780 | } catch (PendingIntent.CanceledException e) { |
| 781 | if (alarm.repeatInterval > 0) { |
| 782 | // This IntentSender is no longer valid, but this |
| 783 | // is a repeating alarm, so toss the hoser. |
| 784 | remove(alarm.operation); |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | } |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | class ClockReceiver extends BroadcastReceiver { |
| 793 | public ClockReceiver() { |
| 794 | IntentFilter filter = new IntentFilter(); |
| 795 | filter.addAction(Intent.ACTION_TIME_TICK); |
| 796 | filter.addAction(Intent.ACTION_DATE_CHANGED); |
| 797 | mContext.registerReceiver(this, filter); |
| 798 | } |
| 799 | |
| 800 | @Override |
| 801 | public void onReceive(Context context, Intent intent) { |
| 802 | if (intent.getAction().equals(Intent.ACTION_TIME_TICK)) { |
| 803 | scheduleTimeTickEvent(); |
| 804 | } else if (intent.getAction().equals(Intent.ACTION_DATE_CHANGED)) { |
| 805 | // Since the kernel does not keep track of DST, we need to |
| 806 | // reset the TZ information at the beginning of each day |
| 807 | // based off of the current Zone gmt offset + userspace tracked |
| 808 | // daylight savings information. |
| 809 | TimeZone zone = TimeZone.getTimeZone(SystemProperties.get(TIMEZONE_PROPERTY)); |
Lavettacn Xiao | c84cc4f | 2010-08-30 12:47:23 +0200 | [diff] [blame] | 810 | int gmtOffset = zone.getOffset(System.currentTimeMillis()); |
| 811 | setKernelTimezone(mDescriptor, -(gmtOffset / 60000)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 812 | scheduleDateChangedEvent(); |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | public void scheduleTimeTickEvent() { |
| 817 | Calendar calendar = Calendar.getInstance(); |
Paul Westbrook | 51608a5 | 2011-08-25 13:18:54 -0700 | [diff] [blame] | 818 | final long currentTime = System.currentTimeMillis(); |
| 819 | calendar.setTimeInMillis(currentTime); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 820 | calendar.add(Calendar.MINUTE, 1); |
| 821 | calendar.set(Calendar.SECOND, 0); |
| 822 | calendar.set(Calendar.MILLISECOND, 0); |
Paul Westbrook | 51608a5 | 2011-08-25 13:18:54 -0700 | [diff] [blame] | 823 | |
| 824 | // Schedule this event for the amount of time that it would take to get to |
| 825 | // the top of the next minute. |
| 826 | final long tickEventDelay = calendar.getTimeInMillis() - currentTime; |
| 827 | |
| 828 | set(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + tickEventDelay, |
| 829 | mTimeTickSender); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 830 | } |
| 831 | |
| 832 | public void scheduleDateChangedEvent() { |
| 833 | Calendar calendar = Calendar.getInstance(); |
| 834 | calendar.setTimeInMillis(System.currentTimeMillis()); |
| 835 | calendar.set(Calendar.HOUR, 0); |
| 836 | calendar.set(Calendar.MINUTE, 0); |
| 837 | calendar.set(Calendar.SECOND, 0); |
| 838 | calendar.set(Calendar.MILLISECOND, 0); |
| 839 | calendar.add(Calendar.DAY_OF_MONTH, 1); |
| 840 | |
| 841 | set(AlarmManager.RTC, calendar.getTimeInMillis(), mDateChangeSender); |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | class UninstallReceiver extends BroadcastReceiver { |
| 846 | public UninstallReceiver() { |
| 847 | IntentFilter filter = new IntentFilter(); |
| 848 | filter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| 849 | filter.addAction(Intent.ACTION_PACKAGE_RESTARTED); |
Dianne Hackborn | 21f1bd1 | 2010-02-19 17:02:21 -0800 | [diff] [blame] | 850 | filter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 851 | filter.addDataScheme("package"); |
| 852 | mContext.registerReceiver(this, filter); |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 853 | // Register for events related to sdcard installation. |
| 854 | IntentFilter sdFilter = new IntentFilter(); |
Suchi Amalapurapu | b56ae20 | 2010-02-04 22:51:07 -0800 | [diff] [blame] | 855 | sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 856 | sdFilter.addAction(Intent.ACTION_USER_STOPPED); |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 857 | mContext.registerReceiver(this, sdFilter); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | @Override |
| 861 | public void onReceive(Context context, Intent intent) { |
| 862 | synchronized (mLock) { |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 863 | String action = intent.getAction(); |
| 864 | String pkgList[] = null; |
Dianne Hackborn | 21f1bd1 | 2010-02-19 17:02:21 -0800 | [diff] [blame] | 865 | if (Intent.ACTION_QUERY_PACKAGE_RESTART.equals(action)) { |
| 866 | pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); |
| 867 | for (String packageName : pkgList) { |
| 868 | if (lookForPackageLocked(packageName)) { |
| 869 | setResultCode(Activity.RESULT_OK); |
| 870 | return; |
| 871 | } |
| 872 | } |
| 873 | return; |
| 874 | } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 875 | pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
Dianne Hackborn | 80a4af2 | 2012-08-27 19:18:31 -0700 | [diff] [blame] | 876 | } else if (Intent.ACTION_USER_STOPPED.equals(action)) { |
| 877 | int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| 878 | if (userHandle >= 0) { |
| 879 | removeUserLocked(userHandle); |
| 880 | } |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 881 | } else { |
Dianne Hackborn | 409578f | 2010-03-10 17:23:43 -0800 | [diff] [blame] | 882 | if (Intent.ACTION_PACKAGE_REMOVED.equals(action) |
| 883 | && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| 884 | // This package is being updated; don't kill its alarms. |
| 885 | return; |
| 886 | } |
Suchi Amalapurapu | 08675a3 | 2010-01-28 09:57:30 -0800 | [diff] [blame] | 887 | Uri data = intent.getData(); |
| 888 | if (data != null) { |
| 889 | String pkg = data.getSchemeSpecificPart(); |
| 890 | if (pkg != null) { |
| 891 | pkgList = new String[]{pkg}; |
| 892 | } |
| 893 | } |
| 894 | } |
| 895 | if (pkgList != null && (pkgList.length > 0)) { |
| 896 | for (String pkg : pkgList) { |
| 897 | removeLocked(pkg); |
| 898 | mBroadcastStats.remove(pkg); |
| 899 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 900 | } |
| 901 | } |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | private final BroadcastStats getStatsLocked(PendingIntent pi) { |
| 906 | String pkg = pi.getTargetPackage(); |
| 907 | BroadcastStats bs = mBroadcastStats.get(pkg); |
| 908 | if (bs == null) { |
| 909 | bs = new BroadcastStats(); |
| 910 | mBroadcastStats.put(pkg, bs); |
| 911 | } |
| 912 | return bs; |
| 913 | } |
| 914 | |
| 915 | class ResultReceiver implements PendingIntent.OnFinished { |
| 916 | public void onSendFinished(PendingIntent pi, Intent intent, int resultCode, |
| 917 | String resultData, Bundle resultExtras) { |
| 918 | synchronized (mLock) { |
| 919 | BroadcastStats bs = getStatsLocked(pi); |
| 920 | if (bs != null) { |
| 921 | bs.nesting--; |
| 922 | if (bs.nesting <= 0) { |
| 923 | bs.nesting = 0; |
| 924 | bs.aggregateTime += SystemClock.elapsedRealtime() |
| 925 | - bs.startTime; |
| 926 | Intent.FilterComparison fc = new Intent.FilterComparison(intent); |
| 927 | FilterStats fs = bs.filterStats.get(fc); |
| 928 | if (fs == null) { |
| 929 | fs = new FilterStats(); |
| 930 | bs.filterStats.put(fc, fs); |
| 931 | } |
| 932 | fs.count++; |
| 933 | } |
| 934 | } |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 935 | mInFlight.removeFirst(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 936 | mBroadcastRefCount--; |
| 937 | if (mBroadcastRefCount == 0) { |
| 938 | mWakeLock.release(); |
Christopher Tate | c4a07d1 | 2012-04-06 14:19:13 -0700 | [diff] [blame] | 939 | } else { |
| 940 | // the next of our alarms is now in flight. reattribute the wakelock. |
| 941 | final PendingIntent nowInFlight = mInFlight.peekFirst(); |
| 942 | if (nowInFlight != null) { |
| 943 | setWakelockWorkSource(nowInFlight); |
| 944 | } else { |
| 945 | // should never happen |
| 946 | Slog.e(TAG, "Alarm wakelock still held but sent queue empty"); |
| 947 | mWakeLock.setWorkSource(null); |
| 948 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 949 | } |
| 950 | } |
| 951 | } |
| 952 | } |
| 953 | } |