ServiceStateTracker.java revision 3beec5e255c514dc419e5cc3021d178b3a416d40
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; 213 214 protected ServiceStateTracker(PhoneBase phoneBase, CommandsInterface ci, CellInfo cellInfo) { 215 mPhoneBase = phoneBase; 216 mCellInfo = cellInfo; 217 mCi = ci; 218 mVoiceCapable = mPhoneBase.getContext().getResources().getBoolean( 219 com.android.internal.R.bool.config_voice_capable); 220 mUiccController = UiccController.getInstance(); 221 mUiccController.registerForIccChanged(this, EVENT_ICC_CHANGED, null); 222 mCi.setOnSignalStrengthUpdate(this, EVENT_SIGNAL_STRENGTH_UPDATE, null); 223 mCi.registerForCellInfoList(this, EVENT_UNSOL_CELL_INFO_LIST, null); 224 225 mPhoneBase.setSystemProperty(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE, 226 ServiceState.rilRadioTechnologyToString(ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN)); 227 } 228 229 public void dispose() { 230 mCi.unSetOnSignalStrengthUpdate(this); 231 mUiccController.unregisterForIccChanged(this); 232 mCi.unregisterForCellInfoList(this); 233 } 234 235 public boolean getDesiredPowerState() { 236 return mDesiredPowerState; 237 } 238 239 private SignalStrength mLastSignalStrength = null; 240 protected boolean notifySignalStrength() { 241 boolean notified = false; 242 synchronized(mCellInfo) { 243 if (!mSignalStrength.equals(mLastSignalStrength)) { 244 try { 245 mPhoneBase.notifySignalStrength(); 246 notified = true; 247 } catch (NullPointerException ex) { 248 loge("updateSignalStrength() Phone already destroyed: " + ex 249 + "SignalStrength not notified"); 250 } 251 } 252 } 253 return notified; 254 } 255 256 /** 257 * Notify all mDataConnectionRatChangeRegistrants using an 258 * AsyncResult in msg.obj where AsyncResult#result contains the 259 * new RAT as an Integer Object. 260 */ 261 protected void notifyDataRegStateRilRadioTechnologyChanged() { 262 int rat = mSS.getRilDataRadioTechnology(); 263 int drs = mSS.getDataRegState(); 264 if (DBG) log("notifyDataRegStateRilRadioTechnologyChanged: drs=" + drs + " rat=" + rat); 265 mPhoneBase.setSystemProperty(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE, 266 ServiceState.rilRadioTechnologyToString(rat)); 267 mDataRegStateOrRatChangedRegistrants.notifyResult(new Pair<Integer, Integer>(drs, rat)); 268 } 269 270 /** 271 * Some operators have been known to report registration failure 272 * data only devices, to fix that use DataRegState. 273 */ 274 protected void useDataRegStateForDataOnlyDevices() { 275 if (mVoiceCapable == false) { 276 if (DBG) { 277 log("useDataRegStateForDataOnlyDevice: VoiceRegState=" + mNewSS.getVoiceRegState() 278 + " DataRegState=" + mNewSS.getDataRegState()); 279 } 280 // TODO: Consider not lying and instead have callers know the difference. 281 mNewSS.setVoiceRegState(mNewSS.getDataRegState()); 282 } 283 } 284 285 286 /** 287 * Registration point for combined roaming on 288 * combined roaming is true when roaming is true and ONS differs SPN 289 * 290 * @param h handler to notify 291 * @param what what code of message when delivered 292 * @param obj placed in Message.obj 293 */ 294 public void registerForRoamingOn(Handler h, int what, Object obj) { 295 Registrant r = new Registrant(h, what, obj); 296 mRoamingOnRegistrants.add(r); 297 298 if (mSS.getRoaming()) { 299 r.notifyRegistrant(); 300 } 301 } 302 303 public void unregisterForRoamingOn(Handler h) { 304 mRoamingOnRegistrants.remove(h); 305 } 306 307 /** 308 * Registration point for combined roaming off 309 * combined roaming is true when roaming is true and ONS differs SPN 310 * 311 * @param h handler to notify 312 * @param what what code of message when delivered 313 * @param obj placed in Message.obj 314 */ 315 public void registerForRoamingOff(Handler h, int what, Object obj) { 316 Registrant r = new Registrant(h, what, obj); 317 mRoamingOffRegistrants.add(r); 318 319 if (!mSS.getRoaming()) { 320 r.notifyRegistrant(); 321 } 322 } 323 324 public void unregisterForRoamingOff(Handler h) { 325 mRoamingOffRegistrants.remove(h); 326 } 327 328 /** 329 * Re-register network by toggling preferred network type. 330 * This is a work-around to deregister and register network since there is 331 * no ril api to set COPS=2 (deregister) only. 332 * 333 * @param onComplete is dispatched when this is complete. it will be 334 * an AsyncResult, and onComplete.obj.exception will be non-null 335 * on failure. 336 */ 337 public void reRegisterNetwork(Message onComplete) { 338 mCi.getPreferredNetworkType( 339 obtainMessage(EVENT_GET_PREFERRED_NETWORK_TYPE, onComplete)); 340 } 341 342 public void 343 setRadioPower(boolean power) { 344 mDesiredPowerState = power; 345 346 setPowerStateToDesired(); 347 } 348 349 /** 350 * These two flags manage the behavior of the cell lock -- the 351 * lock should be held if either flag is true. The intention is 352 * to allow temporary acquisition of the lock to get a single 353 * update. Such a lock grab and release can thus be made to not 354 * interfere with more permanent lock holds -- in other words, the 355 * lock will only be released if both flags are false, and so 356 * releases by temporary users will only affect the lock state if 357 * there is no continuous user. 358 */ 359 private boolean mWantContinuousLocationUpdates; 360 private boolean mWantSingleLocationUpdate; 361 362 public void enableSingleLocationUpdate() { 363 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 364 mWantSingleLocationUpdate = true; 365 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 366 } 367 368 public void enableLocationUpdates() { 369 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 370 mWantContinuousLocationUpdates = true; 371 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 372 } 373 374 protected void disableSingleLocationUpdate() { 375 mWantSingleLocationUpdate = false; 376 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 377 mCi.setLocationUpdates(false, null); 378 } 379 } 380 381 public void disableLocationUpdates() { 382 mWantContinuousLocationUpdates = false; 383 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 384 mCi.setLocationUpdates(false, null); 385 } 386 } 387 388 @Override 389 public void handleMessage(Message msg) { 390 switch (msg.what) { 391 case EVENT_SET_RADIO_POWER_OFF: 392 synchronized(this) { 393 if (mPendingRadioPowerOffAfterDataOff && 394 (msg.arg1 == mPendingRadioPowerOffAfterDataOffTag)) { 395 if (DBG) log("EVENT_SET_RADIO_OFF, turn radio off now."); 396 hangupAndPowerOff(); 397 mPendingRadioPowerOffAfterDataOffTag += 1; 398 mPendingRadioPowerOffAfterDataOff = false; 399 } else { 400 log("EVENT_SET_RADIO_OFF is stale arg1=" + msg.arg1 + 401 "!= tag=" + mPendingRadioPowerOffAfterDataOffTag); 402 } 403 } 404 break; 405 406 case EVENT_ICC_CHANGED: 407 onUpdateIccAvailability(); 408 break; 409 410 case EVENT_GET_CELL_INFO_LIST: { 411 AsyncResult ar = (AsyncResult) msg.obj; 412 CellInfoResult result = (CellInfoResult) ar.userObj; 413 synchronized(result.lockObj) { 414 if (ar.exception != null) { 415 log("EVENT_GET_CELL_INFO_LIST: error ret null, e=" + ar.exception); 416 result.list = null; 417 } else { 418 result.list = (List<CellInfo>) ar.result; 419 420 if (VDBG) { 421 log("EVENT_GET_CELL_INFO_LIST: size=" + result.list.size() 422 + " list=" + result.list); 423 } 424 } 425 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 426 mLastCellInfoList = result.list; 427 result.lockObj.notify(); 428 } 429 break; 430 } 431 432 case EVENT_UNSOL_CELL_INFO_LIST: { 433 AsyncResult ar = (AsyncResult) msg.obj; 434 if (ar.exception != null) { 435 log("EVENT_UNSOL_CELL_INFO_LIST: error ignoring, e=" + ar.exception); 436 } else { 437 List<CellInfo> list = (List<CellInfo>) ar.result; 438 if (DBG) { 439 log("EVENT_UNSOL_CELL_INFO_LIST: size=" + list.size() 440 + " list=" + list); 441 } 442 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 443 mLastCellInfoList = list; 444 mPhoneBase.notifyCellInfo(list); 445 } 446 break; 447 } 448 449 default: 450 log("Unhandled message with number: " + msg.what); 451 break; 452 } 453 } 454 455 protected abstract Phone getPhone(); 456 protected abstract void handlePollStateResult(int what, AsyncResult ar); 457 protected abstract void updateSpnDisplay(); 458 protected abstract void setPowerStateToDesired(); 459 protected abstract void onUpdateIccAvailability(); 460 protected abstract void log(String s); 461 protected abstract void loge(String s); 462 463 public abstract int getCurrentDataConnectionState(); 464 public abstract boolean isConcurrentVoiceAndDataAllowed(); 465 466 public abstract void setImsRegistrationState(boolean registered); 467 public abstract void pollState(); 468 469 /** 470 * Registration point for transition into DataConnection attached. 471 * @param h handler to notify 472 * @param what what code of message when delivered 473 * @param obj placed in Message.obj 474 */ 475 public void registerForDataConnectionAttached(Handler h, int what, Object obj) { 476 Registrant r = new Registrant(h, what, obj); 477 mAttachedRegistrants.add(r); 478 479 if (getCurrentDataConnectionState() == ServiceState.STATE_IN_SERVICE) { 480 r.notifyRegistrant(); 481 } 482 } 483 public void unregisterForDataConnectionAttached(Handler h) { 484 mAttachedRegistrants.remove(h); 485 } 486 487 /** 488 * Registration point for transition into DataConnection detached. 489 * @param h handler to notify 490 * @param what what code of message when delivered 491 * @param obj placed in Message.obj 492 */ 493 public void registerForDataConnectionDetached(Handler h, int what, Object obj) { 494 Registrant r = new Registrant(h, what, obj); 495 mDetachedRegistrants.add(r); 496 497 if (getCurrentDataConnectionState() != ServiceState.STATE_IN_SERVICE) { 498 r.notifyRegistrant(); 499 } 500 } 501 public void unregisterForDataConnectionDetached(Handler h) { 502 mDetachedRegistrants.remove(h); 503 } 504 505 /** 506 * Registration for DataConnection RIL Data Radio Technology changing. The 507 * new radio technology will be returned AsyncResult#result as an Integer Object. 508 * The AsyncResult will be in the notification Message#obj. 509 * 510 * @param h handler to notify 511 * @param what what code of message when delivered 512 * @param obj placed in Message.obj 513 */ 514 public void registerForDataRegStateOrRatChanged(Handler h, int what, Object obj) { 515 Registrant r = new Registrant(h, what, obj); 516 mDataRegStateOrRatChangedRegistrants.add(r); 517 notifyDataRegStateRilRadioTechnologyChanged(); 518 } 519 public void unregisterForDataRegStateOrRatChanged(Handler h) { 520 mDataRegStateOrRatChangedRegistrants.remove(h); 521 } 522 523 /** 524 * Registration point for transition into network attached. 525 * @param h handler to notify 526 * @param what what code of message when delivered 527 * @param obj in Message.obj 528 */ 529 public void registerForNetworkAttached(Handler h, int what, Object obj) { 530 Registrant r = new Registrant(h, what, obj); 531 532 mNetworkAttachedRegistrants.add(r); 533 if (mSS.getVoiceRegState() == ServiceState.STATE_IN_SERVICE) { 534 r.notifyRegistrant(); 535 } 536 } 537 public void unregisterForNetworkAttached(Handler h) { 538 mNetworkAttachedRegistrants.remove(h); 539 } 540 541 /** 542 * Registration point for transition into packet service restricted zone. 543 * @param h handler to notify 544 * @param what what code of message when delivered 545 * @param obj placed in Message.obj 546 */ 547 public void registerForPsRestrictedEnabled(Handler h, int what, Object obj) { 548 Registrant r = new Registrant(h, what, obj); 549 mPsRestrictEnabledRegistrants.add(r); 550 551 if (mRestrictedState.isPsRestricted()) { 552 r.notifyRegistrant(); 553 } 554 } 555 556 public void unregisterForPsRestrictedEnabled(Handler h) { 557 mPsRestrictEnabledRegistrants.remove(h); 558 } 559 560 /** 561 * Registration point for transition out of packet service restricted zone. 562 * @param h handler to notify 563 * @param what what code of message when delivered 564 * @param obj placed in Message.obj 565 */ 566 public void registerForPsRestrictedDisabled(Handler h, int what, Object obj) { 567 Registrant r = new Registrant(h, what, obj); 568 mPsRestrictDisabledRegistrants.add(r); 569 570 if (mRestrictedState.isPsRestricted()) { 571 r.notifyRegistrant(); 572 } 573 } 574 575 public void unregisterForPsRestrictedDisabled(Handler h) { 576 mPsRestrictDisabledRegistrants.remove(h); 577 } 578 579 /** 580 * Clean up existing voice and data connection then turn off radio power. 581 * 582 * Hang up the existing voice calls to decrease call drop rate. 583 */ 584 public void powerOffRadioSafely(DcTrackerBase dcTracker) { 585 synchronized (this) { 586 if (!mPendingRadioPowerOffAfterDataOff) { 587 // To minimize race conditions we call cleanUpAllConnections on 588 // both if else paths instead of before this isDisconnected test. 589 if (dcTracker.isDisconnected()) { 590 // To minimize race conditions we do this after isDisconnected 591 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 592 if (DBG) log("Data disconnected, turn off radio right away."); 593 hangupAndPowerOff(); 594 } else { 595 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 596 Message msg = Message.obtain(this); 597 msg.what = EVENT_SET_RADIO_POWER_OFF; 598 msg.arg1 = ++mPendingRadioPowerOffAfterDataOffTag; 599 if (sendMessageDelayed(msg, 30000)) { 600 if (DBG) log("Wait upto 30s for data to disconnect, then turn off radio."); 601 mPendingRadioPowerOffAfterDataOff = true; 602 } else { 603 log("Cannot send delayed Msg, turn off radio right away."); 604 hangupAndPowerOff(); 605 } 606 } 607 } 608 } 609 } 610 611 /** 612 * process the pending request to turn radio off after data is disconnected 613 * 614 * return true if there is pending request to process; false otherwise. 615 */ 616 public boolean processPendingRadioPowerOffAfterDataOff() { 617 synchronized(this) { 618 if (mPendingRadioPowerOffAfterDataOff) { 619 if (DBG) log("Process pending request to turn radio off."); 620 mPendingRadioPowerOffAfterDataOffTag += 1; 621 hangupAndPowerOff(); 622 mPendingRadioPowerOffAfterDataOff = false; 623 return true; 624 } 625 return false; 626 } 627 } 628 629 /** 630 * send signal-strength-changed notification if changed Called both for 631 * solicited and unsolicited signal strength updates 632 * 633 * @return true if the signal strength changed and a notification was sent. 634 */ 635 protected boolean onSignalStrengthResult(AsyncResult ar, boolean isGsm) { 636 SignalStrength oldSignalStrength = mSignalStrength; 637 638 // This signal is used for both voice and data radio signal so parse 639 // all fields 640 641 if ((ar.exception == null) && (ar.result != null)) { 642 mSignalStrength = (SignalStrength) ar.result; 643 mSignalStrength.validateInput(); 644 mSignalStrength.setGsm(isGsm); 645 } else { 646 log("onSignalStrengthResult() Exception from RIL : " + ar.exception); 647 mSignalStrength = new SignalStrength(isGsm); 648 } 649 650 return notifySignalStrength(); 651 } 652 653 /** 654 * Hang up all voice call and turn off radio. Implemented by derived class. 655 */ 656 protected abstract void hangupAndPowerOff(); 657 658 /** Cancel a pending (if any) pollState() operation */ 659 protected void cancelPollState() { 660 // This will effectively cancel the rest of the poll requests. 661 mPollingContext = new int[1]; 662 } 663 664 /** 665 * Return true if time zone needs fixing. 666 * 667 * @param phoneBase 668 * @param operatorNumeric 669 * @param prevOperatorNumeric 670 * @param needToFixTimeZone 671 * @return true if time zone needs to be fixed 672 */ 673 protected boolean shouldFixTimeZoneNow(PhoneBase phoneBase, String operatorNumeric, 674 String prevOperatorNumeric, boolean needToFixTimeZone) { 675 // Return false if the mcc isn't valid as we don't know where we are. 676 // Return true if we have an IccCard and the mcc changed or we 677 // need to fix it because when the NITZ time came in we didn't 678 // know the country code. 679 680 // If mcc is invalid then we'll return false 681 int mcc; 682 try { 683 mcc = Integer.parseInt(operatorNumeric.substring(0, 3)); 684 } catch (Exception e) { 685 if (DBG) { 686 log("shouldFixTimeZoneNow: no mcc, operatorNumeric=" + operatorNumeric + 687 " retVal=false"); 688 } 689 return false; 690 } 691 692 // If prevMcc is invalid will make it different from mcc 693 // so we'll return true if the card exists. 694 int prevMcc; 695 try { 696 prevMcc = Integer.parseInt(prevOperatorNumeric.substring(0, 3)); 697 } catch (Exception e) { 698 prevMcc = mcc + 1; 699 } 700 701 // Determine if the Icc card exists 702 boolean iccCardExist = false; 703 if (mUiccApplcation != null) { 704 iccCardExist = mUiccApplcation.getState() != AppState.APPSTATE_UNKNOWN; 705 } 706 707 // Determine retVal 708 boolean retVal = ((iccCardExist && (mcc != prevMcc)) || needToFixTimeZone); 709 if (DBG) { 710 long ctm = System.currentTimeMillis(); 711 log("shouldFixTimeZoneNow: retVal=" + retVal + 712 " iccCardExist=" + iccCardExist + 713 " operatorNumeric=" + operatorNumeric + " mcc=" + mcc + 714 " prevOperatorNumeric=" + prevOperatorNumeric + " prevMcc=" + prevMcc + 715 " needToFixTimeZone=" + needToFixTimeZone + 716 " ltod=" + TimeUtils.logTimeOfDay(ctm)); 717 } 718 return retVal; 719 } 720 721 public String getSystemProperty(String property, String defValue) { 722 return TelephonyManager.getTelephonyProperty(property, mPhoneBase.getSubId(), defValue); 723 } 724 725 /** 726 * @return all available cell information or null if none. 727 */ 728 public List<CellInfo> getAllCellInfo() { 729 CellInfoResult result = new CellInfoResult(); 730 if (VDBG) log("SST.getAllCellInfo(): E"); 731 int ver = mCi.getRilVersion(); 732 if (ver >= 8) { 733 if (isCallerOnDifferentThread()) { 734 if ((SystemClock.elapsedRealtime() - mLastCellInfoListTime) 735 > LAST_CELL_INFO_LIST_MAX_AGE_MS) { 736 Message msg = obtainMessage(EVENT_GET_CELL_INFO_LIST, result); 737 synchronized(result.lockObj) { 738 mCi.getCellInfoList(msg); 739 try { 740 result.lockObj.wait(); 741 } catch (InterruptedException e) { 742 e.printStackTrace(); 743 result.list = null; 744 } 745 } 746 } else { 747 if (DBG) log("SST.getAllCellInfo(): return last, back to back calls"); 748 result.list = mLastCellInfoList; 749 } 750 } else { 751 if (DBG) log("SST.getAllCellInfo(): return last, same thread can't block"); 752 result.list = mLastCellInfoList; 753 } 754 } else { 755 if (DBG) log("SST.getAllCellInfo(): not implemented"); 756 result.list = null; 757 } 758 if (DBG) { 759 if (result.list != null) { 760 log("SST.getAllCellInfo(): X size=" + result.list.size() 761 + " list=" + result.list); 762 } else { 763 log("SST.getAllCellInfo(): X size=0 list=null"); 764 } 765 } 766 return result.list; 767 } 768 769 /** 770 * @return signal strength 771 */ 772 public SignalStrength getSignalStrength() { 773 synchronized(mCellInfo) { 774 return mSignalStrength; 775 } 776 } 777 778 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 779 pw.println("ServiceStateTracker:"); 780 pw.println(" mSS=" + mSS); 781 pw.println(" mNewSS=" + mNewSS); 782 pw.println(" mCellInfo=" + mCellInfo); 783 pw.println(" mRestrictedState=" + mRestrictedState); 784 pw.println(" mPollingContext=" + mPollingContext); 785 pw.println(" mDesiredPowerState=" + mDesiredPowerState); 786 pw.println(" mDontPollSignalStrength=" + mDontPollSignalStrength); 787 pw.println(" mPendingRadioPowerOffAfterDataOff=" + mPendingRadioPowerOffAfterDataOff); 788 pw.println(" mPendingRadioPowerOffAfterDataOffTag=" + mPendingRadioPowerOffAfterDataOffTag); 789 } 790 791 /** 792 * Verifies the current thread is the same as the thread originally 793 * used in the initialization of this instance. Throws RuntimeException 794 * if not. 795 * 796 * @exception RuntimeException if the current thread is not 797 * the thread that originally obtained this PhoneBase instance. 798 */ 799 protected void checkCorrectThread() { 800 if (Thread.currentThread() != getLooper().getThread()) { 801 throw new RuntimeException( 802 "ServiceStateTracker must be used from within one thread"); 803 } 804 } 805 806 protected boolean isCallerOnDifferentThread() { 807 boolean value = Thread.currentThread() != getLooper().getThread(); 808 if (VDBG) log("isCallerOnDifferentThread: " + value); 809 return value; 810 } 811 812 protected void updateCarrierMccMncConfiguration(String newOp, String oldOp, Context context) { 813 // if we have a change in operator, notify wifi (even to/from none) 814 if (((newOp == null) && (TextUtils.isEmpty(oldOp) == false)) || 815 ((newOp != null) && (newOp.equals(oldOp) == false))) { 816 log("update mccmnc=" + newOp + " fromServiceState=true"); 817 MccTable.updateMccMncConfiguration(context, newOp, true); 818 } 819 } 820} 821