ServiceStateTracker.java revision 03586878fb3d870373f2fdf65afb81cc5ae97067
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 17package com.android.internal.telephony; 18 19import android.app.PendingIntent; 20import android.content.Context; 21import android.content.IntentFilter; 22import android.os.AsyncResult; 23import android.os.Handler; 24import android.os.Message; 25import android.os.Registrant; 26import android.os.RegistrantList; 27import android.os.SystemClock; 28import android.telephony.CellInfo; 29import android.telephony.ServiceState; 30import android.telephony.SignalStrength; 31import android.telephony.TelephonyManager; 32import android.text.TextUtils; 33import android.util.Pair; 34import android.util.TimeUtils; 35 36import java.io.FileDescriptor; 37import java.io.PrintWriter; 38import java.util.ArrayList; 39import java.util.List; 40 41import com.android.internal.telephony.dataconnection.DcTrackerBase; 42import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppState; 43import com.android.internal.telephony.uicc.IccRecords; 44import com.android.internal.telephony.uicc.UiccCardApplication; 45import com.android.internal.telephony.uicc.UiccController; 46 47/** 48 * {@hide} 49 */ 50public abstract class ServiceStateTracker extends Handler { 51 protected static final boolean DBG = true; 52 protected static final boolean VDBG = false; 53 54 protected static final String PROP_FORCE_ROAMING = "telephony.test.forceRoaming"; 55 56 protected CommandsInterface mCi; 57 protected UiccController mUiccController = null; 58 protected UiccCardApplication mUiccApplcation = null; 59 protected IccRecords mIccRecords = null; 60 61 protected PhoneBase mPhoneBase; 62 63 protected boolean mVoiceCapable; 64 65 public ServiceState mSS = new ServiceState(); 66 protected ServiceState mNewSS = new ServiceState(); 67 68 private static final long LAST_CELL_INFO_LIST_MAX_AGE_MS = 2000; 69 protected long mLastCellInfoListTime; 70 protected List<CellInfo> mLastCellInfoList = null; 71 72 // This is final as subclasses alias to a more specific type 73 // so we don't want the reference to change. 74 protected final CellInfo mCellInfo; 75 76 protected SignalStrength mSignalStrength = new SignalStrength(); 77 78 // TODO - this should not be public, right now used externally GsmConnetion. 79 public RestrictedState mRestrictedState = new RestrictedState(); 80 81 /* The otaspMode passed to PhoneStateListener#onOtaspChanged */ 82 static public final int OTASP_UNINITIALIZED = 0; 83 static public final int OTASP_UNKNOWN = 1; 84 static public final int OTASP_NEEDED = 2; 85 static public final int OTASP_NOT_NEEDED = 3; 86 87 /** 88 * A unique identifier to track requests associated with a poll 89 * and ignore stale responses. The value is a count-down of 90 * expected responses in this pollingContext. 91 */ 92 protected int[] mPollingContext; 93 protected boolean mDesiredPowerState; 94 95 /** 96 * By default, strength polling is enabled. However, if we're 97 * getting unsolicited signal strength updates from the radio, set 98 * value to true and don't bother polling any more. 99 */ 100 protected boolean mDontPollSignalStrength = false; 101 102 protected RegistrantList mRoamingOnRegistrants = new RegistrantList(); 103 protected RegistrantList mRoamingOffRegistrants = new RegistrantList(); 104 protected RegistrantList mAttachedRegistrants = new RegistrantList(); 105 protected RegistrantList mDetachedRegistrants = new RegistrantList(); 106 protected RegistrantList mDataRegStateOrRatChangedRegistrants = new RegistrantList(); 107 protected RegistrantList mNetworkAttachedRegistrants = new RegistrantList(); 108 protected RegistrantList mPsRestrictEnabledRegistrants = new RegistrantList(); 109 protected RegistrantList mPsRestrictDisabledRegistrants = new RegistrantList(); 110 111 /* Radio power off pending flag and tag counter */ 112 protected boolean mPendingRadioPowerOffAfterDataOff = false; 113 protected int mPendingRadioPowerOffAfterDataOffTag = 0; 114 115 /** Signal strength poll rate. */ 116 protected static final int POLL_PERIOD_MILLIS = 20 * 1000; 117 118 /** Waiting period before recheck gprs and voice registration. */ 119 public static final int DEFAULT_GPRS_CHECK_PERIOD_MILLIS = 60 * 1000; 120 121 /** GSM events */ 122 protected static final int EVENT_RADIO_STATE_CHANGED = 1; 123 protected static final int EVENT_NETWORK_STATE_CHANGED = 2; 124 protected static final int EVENT_GET_SIGNAL_STRENGTH = 3; 125 protected static final int EVENT_POLL_STATE_REGISTRATION = 4; 126 protected static final int EVENT_POLL_STATE_GPRS = 5; 127 protected static final int EVENT_POLL_STATE_OPERATOR = 6; 128 protected static final int EVENT_POLL_SIGNAL_STRENGTH = 10; 129 protected static final int EVENT_NITZ_TIME = 11; 130 protected static final int EVENT_SIGNAL_STRENGTH_UPDATE = 12; 131 protected static final int EVENT_RADIO_AVAILABLE = 13; 132 protected static final int EVENT_POLL_STATE_NETWORK_SELECTION_MODE = 14; 133 protected static final int EVENT_GET_LOC_DONE = 15; 134 protected static final int EVENT_SIM_RECORDS_LOADED = 16; 135 protected static final int EVENT_SIM_READY = 17; 136 protected static final int EVENT_LOCATION_UPDATES_ENABLED = 18; 137 protected static final int EVENT_GET_PREFERRED_NETWORK_TYPE = 19; 138 protected static final int EVENT_SET_PREFERRED_NETWORK_TYPE = 20; 139 protected static final int EVENT_RESET_PREFERRED_NETWORK_TYPE = 21; 140 protected static final int EVENT_CHECK_REPORT_GPRS = 22; 141 protected static final int EVENT_RESTRICTED_STATE_CHANGED = 23; 142 143 /** CDMA events */ 144 protected static final int EVENT_POLL_STATE_REGISTRATION_CDMA = 24; 145 protected static final int EVENT_POLL_STATE_OPERATOR_CDMA = 25; 146 protected static final int EVENT_RUIM_READY = 26; 147 protected static final int EVENT_RUIM_RECORDS_LOADED = 27; 148 protected static final int EVENT_POLL_SIGNAL_STRENGTH_CDMA = 28; 149 protected static final int EVENT_GET_SIGNAL_STRENGTH_CDMA = 29; 150 protected static final int EVENT_NETWORK_STATE_CHANGED_CDMA = 30; 151 protected static final int EVENT_GET_LOC_DONE_CDMA = 31; 152 //protected static final int EVENT_UNUSED = 32; 153 protected static final int EVENT_NV_LOADED = 33; 154 protected static final int EVENT_POLL_STATE_CDMA_SUBSCRIPTION = 34; 155 protected static final int EVENT_NV_READY = 35; 156 protected static final int EVENT_ERI_FILE_LOADED = 36; 157 protected static final int EVENT_OTA_PROVISION_STATUS_CHANGE = 37; 158 protected static final int EVENT_SET_RADIO_POWER_OFF = 38; 159 protected static final int EVENT_CDMA_SUBSCRIPTION_SOURCE_CHANGED = 39; 160 protected static final int EVENT_CDMA_PRL_VERSION_CHANGED = 40; 161 protected static final int EVENT_RADIO_ON = 41; 162 public static final int EVENT_ICC_CHANGED = 42; 163 protected static final int EVENT_GET_CELL_INFO_LIST = 43; 164 protected static final int EVENT_UNSOL_CELL_INFO_LIST = 44; 165 protected static final int EVENT_CHANGE_IMS_STATE = 45; 166 167 protected static final String TIMEZONE_PROPERTY = "persist.sys.timezone"; 168 169 /** 170 * List of ISO codes for countries that can have an offset of 171 * GMT+0 when not in daylight savings time. This ignores some 172 * small places such as the Canary Islands (Spain) and 173 * Danmarkshavn (Denmark). The list must be sorted by code. 174 */ 175 protected static final String[] GMT_COUNTRY_CODES = { 176 "bf", // Burkina Faso 177 "ci", // Cote d'Ivoire 178 "eh", // Western Sahara 179 "fo", // Faroe Islands, Denmark 180 "gb", // United Kingdom of Great Britain and Northern Ireland 181 "gh", // Ghana 182 "gm", // Gambia 183 "gn", // Guinea 184 "gw", // Guinea Bissau 185 "ie", // Ireland 186 "lr", // Liberia 187 "is", // Iceland 188 "ma", // Morocco 189 "ml", // Mali 190 "mr", // Mauritania 191 "pt", // Portugal 192 "sl", // Sierra Leone 193 "sn", // Senegal 194 "st", // Sao Tome and Principe 195 "tg", // Togo 196 }; 197 198 private class CellInfoResult { 199 List<CellInfo> list; 200 Object lockObj = new Object(); 201 } 202 203 /** Reason for registration denial. */ 204 protected static final String REGISTRATION_DENIED_GEN = "General"; 205 protected static final String REGISTRATION_DENIED_AUTH = "Authentication Failure"; 206 207 protected boolean mImsRegistrationOnOff = false; 208 protected boolean mAlarmSwitch = false; 209 protected IntentFilter mIntentFilter = null; 210 protected PendingIntent mRadioOffIntent = null; 211 protected static final String ACTION_RADIO_OFF = "android.intent.action.ACTION_RADIO_OFF"; 212 protected boolean mPowerOffDelayNeed = true; 213 protected boolean mDeviceShuttingDown = false; 214 215 216 protected ServiceStateTracker(PhoneBase phoneBase, CommandsInterface ci, CellInfo cellInfo) { 217 mPhoneBase = phoneBase; 218 mCellInfo = cellInfo; 219 mCi = ci; 220 mVoiceCapable = mPhoneBase.getContext().getResources().getBoolean( 221 com.android.internal.R.bool.config_voice_capable); 222 mUiccController = UiccController.getInstance(); 223 mUiccController.registerForIccChanged(this, EVENT_ICC_CHANGED, null); 224 mCi.setOnSignalStrengthUpdate(this, EVENT_SIGNAL_STRENGTH_UPDATE, null); 225 mCi.registerForCellInfoList(this, EVENT_UNSOL_CELL_INFO_LIST, null); 226 227 mPhoneBase.setSystemProperty(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE, 228 ServiceState.rilRadioTechnologyToString(ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN)); 229 } 230 231 void requestShutdown() { 232 if (mDeviceShuttingDown == true) return; 233 mDeviceShuttingDown = true; 234 mDesiredPowerState = false; 235 setPowerStateToDesired(); 236 } 237 238 public void dispose() { 239 mCi.unSetOnSignalStrengthUpdate(this); 240 mUiccController.unregisterForIccChanged(this); 241 mCi.unregisterForCellInfoList(this); 242 } 243 244 public boolean getDesiredPowerState() { 245 return mDesiredPowerState; 246 } 247 248 private SignalStrength mLastSignalStrength = null; 249 protected boolean notifySignalStrength() { 250 boolean notified = false; 251 synchronized(mCellInfo) { 252 if (!mSignalStrength.equals(mLastSignalStrength)) { 253 try { 254 mPhoneBase.notifySignalStrength(); 255 notified = true; 256 } catch (NullPointerException ex) { 257 loge("updateSignalStrength() Phone already destroyed: " + ex 258 + "SignalStrength not notified"); 259 } 260 } 261 } 262 return notified; 263 } 264 265 /** 266 * Notify all mDataConnectionRatChangeRegistrants using an 267 * AsyncResult in msg.obj where AsyncResult#result contains the 268 * new RAT as an Integer Object. 269 */ 270 protected void notifyDataRegStateRilRadioTechnologyChanged() { 271 int rat = mSS.getRilDataRadioTechnology(); 272 int drs = mSS.getDataRegState(); 273 if (DBG) log("notifyDataRegStateRilRadioTechnologyChanged: drs=" + drs + " rat=" + rat); 274 mPhoneBase.setSystemProperty(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE, 275 ServiceState.rilRadioTechnologyToString(rat)); 276 mDataRegStateOrRatChangedRegistrants.notifyResult(new Pair<Integer, Integer>(drs, rat)); 277 } 278 279 /** 280 * Some operators have been known to report registration failure 281 * data only devices, to fix that use DataRegState. 282 */ 283 protected void useDataRegStateForDataOnlyDevices() { 284 if (mVoiceCapable == false) { 285 if (DBG) { 286 log("useDataRegStateForDataOnlyDevice: VoiceRegState=" + mNewSS.getVoiceRegState() 287 + " DataRegState=" + mNewSS.getDataRegState()); 288 } 289 // TODO: Consider not lying and instead have callers know the difference. 290 mNewSS.setVoiceRegState(mNewSS.getDataRegState()); 291 } 292 } 293 294 295 /** 296 * Registration point for combined roaming on 297 * combined roaming is true when roaming is true and ONS differs SPN 298 * 299 * @param h handler to notify 300 * @param what what code of message when delivered 301 * @param obj placed in Message.obj 302 */ 303 public void registerForRoamingOn(Handler h, int what, Object obj) { 304 Registrant r = new Registrant(h, what, obj); 305 mRoamingOnRegistrants.add(r); 306 307 if (mSS.getRoaming()) { 308 r.notifyRegistrant(); 309 } 310 } 311 312 public void unregisterForRoamingOn(Handler h) { 313 mRoamingOnRegistrants.remove(h); 314 } 315 316 /** 317 * Registration point for combined roaming off 318 * combined roaming is true when roaming is true and ONS differs SPN 319 * 320 * @param h handler to notify 321 * @param what what code of message when delivered 322 * @param obj placed in Message.obj 323 */ 324 public void registerForRoamingOff(Handler h, int what, Object obj) { 325 Registrant r = new Registrant(h, what, obj); 326 mRoamingOffRegistrants.add(r); 327 328 if (!mSS.getRoaming()) { 329 r.notifyRegistrant(); 330 } 331 } 332 333 public void unregisterForRoamingOff(Handler h) { 334 mRoamingOffRegistrants.remove(h); 335 } 336 337 /** 338 * Re-register network by toggling preferred network type. 339 * This is a work-around to deregister and register network since there is 340 * no ril api to set COPS=2 (deregister) only. 341 * 342 * @param onComplete is dispatched when this is complete. it will be 343 * an AsyncResult, and onComplete.obj.exception will be non-null 344 * on failure. 345 */ 346 public void reRegisterNetwork(Message onComplete) { 347 mCi.getPreferredNetworkType( 348 obtainMessage(EVENT_GET_PREFERRED_NETWORK_TYPE, onComplete)); 349 } 350 351 public void 352 setRadioPower(boolean power) { 353 mDesiredPowerState = power; 354 355 setPowerStateToDesired(); 356 } 357 358 /** 359 * These two flags manage the behavior of the cell lock -- the 360 * lock should be held if either flag is true. The intention is 361 * to allow temporary acquisition of the lock to get a single 362 * update. Such a lock grab and release can thus be made to not 363 * interfere with more permanent lock holds -- in other words, the 364 * lock will only be released if both flags are false, and so 365 * releases by temporary users will only affect the lock state if 366 * there is no continuous user. 367 */ 368 private boolean mWantContinuousLocationUpdates; 369 private boolean mWantSingleLocationUpdate; 370 371 public void enableSingleLocationUpdate() { 372 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 373 mWantSingleLocationUpdate = true; 374 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 375 } 376 377 public void enableLocationUpdates() { 378 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 379 mWantContinuousLocationUpdates = true; 380 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 381 } 382 383 protected void disableSingleLocationUpdate() { 384 mWantSingleLocationUpdate = false; 385 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 386 mCi.setLocationUpdates(false, null); 387 } 388 } 389 390 public void disableLocationUpdates() { 391 mWantContinuousLocationUpdates = false; 392 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 393 mCi.setLocationUpdates(false, null); 394 } 395 } 396 397 @Override 398 public void handleMessage(Message msg) { 399 switch (msg.what) { 400 case EVENT_SET_RADIO_POWER_OFF: 401 synchronized(this) { 402 if (mPendingRadioPowerOffAfterDataOff && 403 (msg.arg1 == mPendingRadioPowerOffAfterDataOffTag)) { 404 if (DBG) log("EVENT_SET_RADIO_OFF, turn radio off now."); 405 hangupAndPowerOff(); 406 mPendingRadioPowerOffAfterDataOffTag += 1; 407 mPendingRadioPowerOffAfterDataOff = false; 408 } else { 409 log("EVENT_SET_RADIO_OFF is stale arg1=" + msg.arg1 + 410 "!= tag=" + mPendingRadioPowerOffAfterDataOffTag); 411 } 412 } 413 break; 414 415 case EVENT_ICC_CHANGED: 416 onUpdateIccAvailability(); 417 break; 418 419 case EVENT_GET_CELL_INFO_LIST: { 420 AsyncResult ar = (AsyncResult) msg.obj; 421 CellInfoResult result = (CellInfoResult) ar.userObj; 422 synchronized(result.lockObj) { 423 if (ar.exception != null) { 424 log("EVENT_GET_CELL_INFO_LIST: error ret null, e=" + ar.exception); 425 result.list = null; 426 } else { 427 result.list = (List<CellInfo>) ar.result; 428 429 if (VDBG) { 430 log("EVENT_GET_CELL_INFO_LIST: size=" + result.list.size() 431 + " list=" + result.list); 432 } 433 } 434 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 435 mLastCellInfoList = result.list; 436 result.lockObj.notify(); 437 } 438 break; 439 } 440 441 case EVENT_UNSOL_CELL_INFO_LIST: { 442 AsyncResult ar = (AsyncResult) msg.obj; 443 if (ar.exception != null) { 444 log("EVENT_UNSOL_CELL_INFO_LIST: error ignoring, e=" + ar.exception); 445 } else { 446 List<CellInfo> list = (List<CellInfo>) ar.result; 447 if (DBG) { 448 log("EVENT_UNSOL_CELL_INFO_LIST: size=" + list.size() 449 + " list=" + list); 450 } 451 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 452 mLastCellInfoList = list; 453 mPhoneBase.notifyCellInfo(list); 454 } 455 break; 456 } 457 458 default: 459 log("Unhandled message with number: " + msg.what); 460 break; 461 } 462 } 463 464 protected abstract Phone getPhone(); 465 protected abstract void handlePollStateResult(int what, AsyncResult ar); 466 protected abstract void updateSpnDisplay(); 467 protected abstract void setPowerStateToDesired(); 468 protected abstract void onUpdateIccAvailability(); 469 protected abstract void log(String s); 470 protected abstract void loge(String s); 471 472 public abstract int getCurrentDataConnectionState(); 473 public abstract boolean isConcurrentVoiceAndDataAllowed(); 474 475 public abstract void setImsRegistrationState(boolean registered); 476 public abstract void pollState(); 477 478 /** 479 * Registration point for transition into DataConnection attached. 480 * @param h handler to notify 481 * @param what what code of message when delivered 482 * @param obj placed in Message.obj 483 */ 484 public void registerForDataConnectionAttached(Handler h, int what, Object obj) { 485 Registrant r = new Registrant(h, what, obj); 486 mAttachedRegistrants.add(r); 487 488 if (getCurrentDataConnectionState() == ServiceState.STATE_IN_SERVICE) { 489 r.notifyRegistrant(); 490 } 491 } 492 public void unregisterForDataConnectionAttached(Handler h) { 493 mAttachedRegistrants.remove(h); 494 } 495 496 /** 497 * Registration point for transition into DataConnection detached. 498 * @param h handler to notify 499 * @param what what code of message when delivered 500 * @param obj placed in Message.obj 501 */ 502 public void registerForDataConnectionDetached(Handler h, int what, Object obj) { 503 Registrant r = new Registrant(h, what, obj); 504 mDetachedRegistrants.add(r); 505 506 if (getCurrentDataConnectionState() != ServiceState.STATE_IN_SERVICE) { 507 r.notifyRegistrant(); 508 } 509 } 510 public void unregisterForDataConnectionDetached(Handler h) { 511 mDetachedRegistrants.remove(h); 512 } 513 514 /** 515 * Registration for DataConnection RIL Data Radio Technology changing. The 516 * new radio technology will be returned AsyncResult#result as an Integer Object. 517 * The AsyncResult will be in the notification Message#obj. 518 * 519 * @param h handler to notify 520 * @param what what code of message when delivered 521 * @param obj placed in Message.obj 522 */ 523 public void registerForDataRegStateOrRatChanged(Handler h, int what, Object obj) { 524 Registrant r = new Registrant(h, what, obj); 525 mDataRegStateOrRatChangedRegistrants.add(r); 526 notifyDataRegStateRilRadioTechnologyChanged(); 527 } 528 public void unregisterForDataRegStateOrRatChanged(Handler h) { 529 mDataRegStateOrRatChangedRegistrants.remove(h); 530 } 531 532 /** 533 * Registration point for transition into network attached. 534 * @param h handler to notify 535 * @param what what code of message when delivered 536 * @param obj in Message.obj 537 */ 538 public void registerForNetworkAttached(Handler h, int what, Object obj) { 539 Registrant r = new Registrant(h, what, obj); 540 541 mNetworkAttachedRegistrants.add(r); 542 if (mSS.getVoiceRegState() == ServiceState.STATE_IN_SERVICE) { 543 r.notifyRegistrant(); 544 } 545 } 546 public void unregisterForNetworkAttached(Handler h) { 547 mNetworkAttachedRegistrants.remove(h); 548 } 549 550 /** 551 * Registration point for transition into packet service restricted zone. 552 * @param h handler to notify 553 * @param what what code of message when delivered 554 * @param obj placed in Message.obj 555 */ 556 public void registerForPsRestrictedEnabled(Handler h, int what, Object obj) { 557 Registrant r = new Registrant(h, what, obj); 558 mPsRestrictEnabledRegistrants.add(r); 559 560 if (mRestrictedState.isPsRestricted()) { 561 r.notifyRegistrant(); 562 } 563 } 564 565 public void unregisterForPsRestrictedEnabled(Handler h) { 566 mPsRestrictEnabledRegistrants.remove(h); 567 } 568 569 /** 570 * Registration point for transition out of packet service restricted zone. 571 * @param h handler to notify 572 * @param what what code of message when delivered 573 * @param obj placed in Message.obj 574 */ 575 public void registerForPsRestrictedDisabled(Handler h, int what, Object obj) { 576 Registrant r = new Registrant(h, what, obj); 577 mPsRestrictDisabledRegistrants.add(r); 578 579 if (mRestrictedState.isPsRestricted()) { 580 r.notifyRegistrant(); 581 } 582 } 583 584 public void unregisterForPsRestrictedDisabled(Handler h) { 585 mPsRestrictDisabledRegistrants.remove(h); 586 } 587 588 /** 589 * Clean up existing voice and data connection then turn off radio power. 590 * 591 * Hang up the existing voice calls to decrease call drop rate. 592 */ 593 public void powerOffRadioSafely(DcTrackerBase dcTracker) { 594 synchronized (this) { 595 if (!mPendingRadioPowerOffAfterDataOff) { 596 // To minimize race conditions we call cleanUpAllConnections on 597 // both if else paths instead of before this isDisconnected test. 598 if (dcTracker.isDisconnected()) { 599 // To minimize race conditions we do this after isDisconnected 600 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 601 if (DBG) log("Data disconnected, turn off radio right away."); 602 hangupAndPowerOff(); 603 } else { 604 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 605 Message msg = Message.obtain(this); 606 msg.what = EVENT_SET_RADIO_POWER_OFF; 607 msg.arg1 = ++mPendingRadioPowerOffAfterDataOffTag; 608 if (sendMessageDelayed(msg, 30000)) { 609 if (DBG) log("Wait upto 30s for data to disconnect, then turn off radio."); 610 mPendingRadioPowerOffAfterDataOff = true; 611 } else { 612 log("Cannot send delayed Msg, turn off radio right away."); 613 hangupAndPowerOff(); 614 } 615 } 616 } 617 } 618 } 619 620 /** 621 * process the pending request to turn radio off after data is disconnected 622 * 623 * return true if there is pending request to process; false otherwise. 624 */ 625 public boolean processPendingRadioPowerOffAfterDataOff() { 626 synchronized(this) { 627 if (mPendingRadioPowerOffAfterDataOff) { 628 if (DBG) log("Process pending request to turn radio off."); 629 mPendingRadioPowerOffAfterDataOffTag += 1; 630 hangupAndPowerOff(); 631 mPendingRadioPowerOffAfterDataOff = false; 632 return true; 633 } 634 return false; 635 } 636 } 637 638 /** 639 * send signal-strength-changed notification if changed Called both for 640 * solicited and unsolicited signal strength updates 641 * 642 * @return true if the signal strength changed and a notification was sent. 643 */ 644 protected boolean onSignalStrengthResult(AsyncResult ar, boolean isGsm) { 645 SignalStrength oldSignalStrength = mSignalStrength; 646 647 // This signal is used for both voice and data radio signal so parse 648 // all fields 649 650 if ((ar.exception == null) && (ar.result != null)) { 651 mSignalStrength = (SignalStrength) ar.result; 652 mSignalStrength.validateInput(); 653 mSignalStrength.setGsm(isGsm); 654 } else { 655 log("onSignalStrengthResult() Exception from RIL : " + ar.exception); 656 mSignalStrength = new SignalStrength(isGsm); 657 } 658 659 return notifySignalStrength(); 660 } 661 662 /** 663 * Hang up all voice call and turn off radio. Implemented by derived class. 664 */ 665 protected abstract void hangupAndPowerOff(); 666 667 /** Cancel a pending (if any) pollState() operation */ 668 protected void cancelPollState() { 669 // This will effectively cancel the rest of the poll requests. 670 mPollingContext = new int[1]; 671 } 672 673 /** 674 * Return true if time zone needs fixing. 675 * 676 * @param phoneBase 677 * @param operatorNumeric 678 * @param prevOperatorNumeric 679 * @param needToFixTimeZone 680 * @return true if time zone needs to be fixed 681 */ 682 protected boolean shouldFixTimeZoneNow(PhoneBase phoneBase, String operatorNumeric, 683 String prevOperatorNumeric, boolean needToFixTimeZone) { 684 // Return false if the mcc isn't valid as we don't know where we are. 685 // Return true if we have an IccCard and the mcc changed or we 686 // need to fix it because when the NITZ time came in we didn't 687 // know the country code. 688 689 // If mcc is invalid then we'll return false 690 int mcc; 691 try { 692 mcc = Integer.parseInt(operatorNumeric.substring(0, 3)); 693 } catch (Exception e) { 694 if (DBG) { 695 log("shouldFixTimeZoneNow: no mcc, operatorNumeric=" + operatorNumeric + 696 " retVal=false"); 697 } 698 return false; 699 } 700 701 // If prevMcc is invalid will make it different from mcc 702 // so we'll return true if the card exists. 703 int prevMcc; 704 try { 705 prevMcc = Integer.parseInt(prevOperatorNumeric.substring(0, 3)); 706 } catch (Exception e) { 707 prevMcc = mcc + 1; 708 } 709 710 // Determine if the Icc card exists 711 boolean iccCardExist = false; 712 if (mUiccApplcation != null) { 713 iccCardExist = mUiccApplcation.getState() != AppState.APPSTATE_UNKNOWN; 714 } 715 716 // Determine retVal 717 boolean retVal = ((iccCardExist && (mcc != prevMcc)) || needToFixTimeZone); 718 if (DBG) { 719 long ctm = System.currentTimeMillis(); 720 log("shouldFixTimeZoneNow: retVal=" + retVal + 721 " iccCardExist=" + iccCardExist + 722 " operatorNumeric=" + operatorNumeric + " mcc=" + mcc + 723 " prevOperatorNumeric=" + prevOperatorNumeric + " prevMcc=" + prevMcc + 724 " needToFixTimeZone=" + needToFixTimeZone + 725 " ltod=" + TimeUtils.logTimeOfDay(ctm)); 726 } 727 return retVal; 728 } 729 730 public String getSystemProperty(String property, String defValue) { 731 return TelephonyManager.getTelephonyProperty(property, mPhoneBase.getSubId(), defValue); 732 } 733 734 /** 735 * @return all available cell information or null if none. 736 */ 737 public List<CellInfo> getAllCellInfo() { 738 CellInfoResult result = new CellInfoResult(); 739 if (VDBG) log("SST.getAllCellInfo(): E"); 740 int ver = mCi.getRilVersion(); 741 if (ver >= 8) { 742 if (isCallerOnDifferentThread()) { 743 if ((SystemClock.elapsedRealtime() - mLastCellInfoListTime) 744 > LAST_CELL_INFO_LIST_MAX_AGE_MS) { 745 Message msg = obtainMessage(EVENT_GET_CELL_INFO_LIST, result); 746 synchronized(result.lockObj) { 747 mCi.getCellInfoList(msg); 748 try { 749 result.lockObj.wait(); 750 } catch (InterruptedException e) { 751 e.printStackTrace(); 752 result.list = null; 753 } 754 } 755 } else { 756 if (DBG) log("SST.getAllCellInfo(): return last, back to back calls"); 757 result.list = mLastCellInfoList; 758 } 759 } else { 760 if (DBG) log("SST.getAllCellInfo(): return last, same thread can't block"); 761 result.list = mLastCellInfoList; 762 } 763 } else { 764 if (DBG) log("SST.getAllCellInfo(): not implemented"); 765 result.list = null; 766 } 767 if (DBG) { 768 if (result.list != null) { 769 log("SST.getAllCellInfo(): X size=" + result.list.size() 770 + " list=" + result.list); 771 } else { 772 log("SST.getAllCellInfo(): X size=0 list=null"); 773 } 774 } 775 return result.list; 776 } 777 778 /** 779 * @return signal strength 780 */ 781 public SignalStrength getSignalStrength() { 782 synchronized(mCellInfo) { 783 return mSignalStrength; 784 } 785 } 786 787 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 788 pw.println("ServiceStateTracker:"); 789 pw.println(" mSS=" + mSS); 790 pw.println(" mNewSS=" + mNewSS); 791 pw.println(" mCellInfo=" + mCellInfo); 792 pw.println(" mRestrictedState=" + mRestrictedState); 793 pw.println(" mPollingContext=" + mPollingContext); 794 pw.println(" mDesiredPowerState=" + mDesiredPowerState); 795 pw.println(" mDontPollSignalStrength=" + mDontPollSignalStrength); 796 pw.println(" mPendingRadioPowerOffAfterDataOff=" + mPendingRadioPowerOffAfterDataOff); 797 pw.println(" mPendingRadioPowerOffAfterDataOffTag=" + mPendingRadioPowerOffAfterDataOffTag); 798 } 799 800 /** 801 * Verifies the current thread is the same as the thread originally 802 * used in the initialization of this instance. Throws RuntimeException 803 * if not. 804 * 805 * @exception RuntimeException if the current thread is not 806 * the thread that originally obtained this PhoneBase instance. 807 */ 808 protected void checkCorrectThread() { 809 if (Thread.currentThread() != getLooper().getThread()) { 810 throw new RuntimeException( 811 "ServiceStateTracker must be used from within one thread"); 812 } 813 } 814 815 protected boolean isCallerOnDifferentThread() { 816 boolean value = Thread.currentThread() != getLooper().getThread(); 817 if (VDBG) log("isCallerOnDifferentThread: " + value); 818 return value; 819 } 820 821 protected void updateCarrierMccMncConfiguration(String newOp, String oldOp, Context context) { 822 // if we have a change in operator, notify wifi (even to/from none) 823 if (((newOp == null) && (TextUtils.isEmpty(oldOp) == false)) || 824 ((newOp != null) && (newOp.equals(oldOp) == false))) { 825 log("update mccmnc=" + newOp + " fromServiceState=true"); 826 MccTable.updateMccMncConfiguration(context, newOp, true); 827 } 828 } 829} 830