ServiceStateTracker.java revision bed429d6d0a0dbc6384b04e0641aa1e03e406f42
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 protected void updatePhoneObject() { 295 mPhoneBase.updatePhoneObject(mSS.getRilVoiceRadioTechnology()); 296 } 297 298 /** 299 * Registration point for combined roaming on 300 * combined roaming is true when roaming is true and ONS differs SPN 301 * 302 * @param h handler to notify 303 * @param what what code of message when delivered 304 * @param obj placed in Message.obj 305 */ 306 public void registerForRoamingOn(Handler h, int what, Object obj) { 307 Registrant r = new Registrant(h, what, obj); 308 mRoamingOnRegistrants.add(r); 309 310 if (mSS.getRoaming()) { 311 r.notifyRegistrant(); 312 } 313 } 314 315 public void unregisterForRoamingOn(Handler h) { 316 mRoamingOnRegistrants.remove(h); 317 } 318 319 /** 320 * Registration point for combined roaming off 321 * combined roaming is true when roaming is true and ONS differs SPN 322 * 323 * @param h handler to notify 324 * @param what what code of message when delivered 325 * @param obj placed in Message.obj 326 */ 327 public void registerForRoamingOff(Handler h, int what, Object obj) { 328 Registrant r = new Registrant(h, what, obj); 329 mRoamingOffRegistrants.add(r); 330 331 if (!mSS.getRoaming()) { 332 r.notifyRegistrant(); 333 } 334 } 335 336 public void unregisterForRoamingOff(Handler h) { 337 mRoamingOffRegistrants.remove(h); 338 } 339 340 /** 341 * Re-register network by toggling preferred network type. 342 * This is a work-around to deregister and register network since there is 343 * no ril api to set COPS=2 (deregister) only. 344 * 345 * @param onComplete is dispatched when this is complete. it will be 346 * an AsyncResult, and onComplete.obj.exception will be non-null 347 * on failure. 348 */ 349 public void reRegisterNetwork(Message onComplete) { 350 mCi.getPreferredNetworkType( 351 obtainMessage(EVENT_GET_PREFERRED_NETWORK_TYPE, onComplete)); 352 } 353 354 public void 355 setRadioPower(boolean power) { 356 mDesiredPowerState = power; 357 358 setPowerStateToDesired(); 359 } 360 361 /** 362 * These two flags manage the behavior of the cell lock -- the 363 * lock should be held if either flag is true. The intention is 364 * to allow temporary acquisition of the lock to get a single 365 * update. Such a lock grab and release can thus be made to not 366 * interfere with more permanent lock holds -- in other words, the 367 * lock will only be released if both flags are false, and so 368 * releases by temporary users will only affect the lock state if 369 * there is no continuous user. 370 */ 371 private boolean mWantContinuousLocationUpdates; 372 private boolean mWantSingleLocationUpdate; 373 374 public void enableSingleLocationUpdate() { 375 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 376 mWantSingleLocationUpdate = true; 377 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 378 } 379 380 public void enableLocationUpdates() { 381 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 382 mWantContinuousLocationUpdates = true; 383 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 384 } 385 386 protected void disableSingleLocationUpdate() { 387 mWantSingleLocationUpdate = false; 388 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 389 mCi.setLocationUpdates(false, null); 390 } 391 } 392 393 public void disableLocationUpdates() { 394 mWantContinuousLocationUpdates = false; 395 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 396 mCi.setLocationUpdates(false, null); 397 } 398 } 399 400 @Override 401 public void handleMessage(Message msg) { 402 switch (msg.what) { 403 case EVENT_SET_RADIO_POWER_OFF: 404 synchronized(this) { 405 if (mPendingRadioPowerOffAfterDataOff && 406 (msg.arg1 == mPendingRadioPowerOffAfterDataOffTag)) { 407 if (DBG) log("EVENT_SET_RADIO_OFF, turn radio off now."); 408 hangupAndPowerOff(); 409 mPendingRadioPowerOffAfterDataOffTag += 1; 410 mPendingRadioPowerOffAfterDataOff = false; 411 } else { 412 log("EVENT_SET_RADIO_OFF is stale arg1=" + msg.arg1 + 413 "!= tag=" + mPendingRadioPowerOffAfterDataOffTag); 414 } 415 } 416 break; 417 418 case EVENT_ICC_CHANGED: 419 onUpdateIccAvailability(); 420 break; 421 422 case EVENT_GET_CELL_INFO_LIST: { 423 AsyncResult ar = (AsyncResult) msg.obj; 424 CellInfoResult result = (CellInfoResult) ar.userObj; 425 synchronized(result.lockObj) { 426 if (ar.exception != null) { 427 log("EVENT_GET_CELL_INFO_LIST: error ret null, e=" + ar.exception); 428 result.list = null; 429 } else { 430 result.list = (List<CellInfo>) ar.result; 431 432 if (VDBG) { 433 log("EVENT_GET_CELL_INFO_LIST: size=" + result.list.size() 434 + " list=" + result.list); 435 } 436 } 437 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 438 mLastCellInfoList = result.list; 439 result.lockObj.notify(); 440 } 441 break; 442 } 443 444 case EVENT_UNSOL_CELL_INFO_LIST: { 445 AsyncResult ar = (AsyncResult) msg.obj; 446 if (ar.exception != null) { 447 log("EVENT_UNSOL_CELL_INFO_LIST: error ignoring, e=" + ar.exception); 448 } else { 449 List<CellInfo> list = (List<CellInfo>) ar.result; 450 if (DBG) { 451 log("EVENT_UNSOL_CELL_INFO_LIST: size=" + list.size() 452 + " list=" + list); 453 } 454 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 455 mLastCellInfoList = list; 456 mPhoneBase.notifyCellInfo(list); 457 } 458 break; 459 } 460 461 default: 462 log("Unhandled message with number: " + msg.what); 463 break; 464 } 465 } 466 467 protected abstract Phone getPhone(); 468 protected abstract void handlePollStateResult(int what, AsyncResult ar); 469 protected abstract void updateSpnDisplay(); 470 protected abstract void setPowerStateToDesired(); 471 protected abstract void onUpdateIccAvailability(); 472 protected abstract void log(String s); 473 protected abstract void loge(String s); 474 475 public abstract int getCurrentDataConnectionState(); 476 public abstract boolean isConcurrentVoiceAndDataAllowed(); 477 478 public abstract void setImsRegistrationState(boolean registered); 479 public abstract void pollState(); 480 481 /** 482 * Registration point for transition into DataConnection attached. 483 * @param h handler to notify 484 * @param what what code of message when delivered 485 * @param obj placed in Message.obj 486 */ 487 public void registerForDataConnectionAttached(Handler h, int what, Object obj) { 488 Registrant r = new Registrant(h, what, obj); 489 mAttachedRegistrants.add(r); 490 491 if (getCurrentDataConnectionState() == ServiceState.STATE_IN_SERVICE) { 492 r.notifyRegistrant(); 493 } 494 } 495 public void unregisterForDataConnectionAttached(Handler h) { 496 mAttachedRegistrants.remove(h); 497 } 498 499 /** 500 * Registration point for transition into DataConnection detached. 501 * @param h handler to notify 502 * @param what what code of message when delivered 503 * @param obj placed in Message.obj 504 */ 505 public void registerForDataConnectionDetached(Handler h, int what, Object obj) { 506 Registrant r = new Registrant(h, what, obj); 507 mDetachedRegistrants.add(r); 508 509 if (getCurrentDataConnectionState() != ServiceState.STATE_IN_SERVICE) { 510 r.notifyRegistrant(); 511 } 512 } 513 public void unregisterForDataConnectionDetached(Handler h) { 514 mDetachedRegistrants.remove(h); 515 } 516 517 /** 518 * Registration for DataConnection RIL Data Radio Technology changing. The 519 * new radio technology will be returned AsyncResult#result as an Integer Object. 520 * The AsyncResult will be in the notification Message#obj. 521 * 522 * @param h handler to notify 523 * @param what what code of message when delivered 524 * @param obj placed in Message.obj 525 */ 526 public void registerForDataRegStateOrRatChanged(Handler h, int what, Object obj) { 527 Registrant r = new Registrant(h, what, obj); 528 mDataRegStateOrRatChangedRegistrants.add(r); 529 notifyDataRegStateRilRadioTechnologyChanged(); 530 } 531 public void unregisterForDataRegStateOrRatChanged(Handler h) { 532 mDataRegStateOrRatChangedRegistrants.remove(h); 533 } 534 535 /** 536 * Registration point for transition into network attached. 537 * @param h handler to notify 538 * @param what what code of message when delivered 539 * @param obj in Message.obj 540 */ 541 public void registerForNetworkAttached(Handler h, int what, Object obj) { 542 Registrant r = new Registrant(h, what, obj); 543 544 mNetworkAttachedRegistrants.add(r); 545 if (mSS.getVoiceRegState() == ServiceState.STATE_IN_SERVICE) { 546 r.notifyRegistrant(); 547 } 548 } 549 public void unregisterForNetworkAttached(Handler h) { 550 mNetworkAttachedRegistrants.remove(h); 551 } 552 553 /** 554 * Registration point for transition into packet service restricted zone. 555 * @param h handler to notify 556 * @param what what code of message when delivered 557 * @param obj placed in Message.obj 558 */ 559 public void registerForPsRestrictedEnabled(Handler h, int what, Object obj) { 560 Registrant r = new Registrant(h, what, obj); 561 mPsRestrictEnabledRegistrants.add(r); 562 563 if (mRestrictedState.isPsRestricted()) { 564 r.notifyRegistrant(); 565 } 566 } 567 568 public void unregisterForPsRestrictedEnabled(Handler h) { 569 mPsRestrictEnabledRegistrants.remove(h); 570 } 571 572 /** 573 * Registration point for transition out of packet service restricted zone. 574 * @param h handler to notify 575 * @param what what code of message when delivered 576 * @param obj placed in Message.obj 577 */ 578 public void registerForPsRestrictedDisabled(Handler h, int what, Object obj) { 579 Registrant r = new Registrant(h, what, obj); 580 mPsRestrictDisabledRegistrants.add(r); 581 582 if (mRestrictedState.isPsRestricted()) { 583 r.notifyRegistrant(); 584 } 585 } 586 587 public void unregisterForPsRestrictedDisabled(Handler h) { 588 mPsRestrictDisabledRegistrants.remove(h); 589 } 590 591 /** 592 * Clean up existing voice and data connection then turn off radio power. 593 * 594 * Hang up the existing voice calls to decrease call drop rate. 595 */ 596 public void powerOffRadioSafely(DcTrackerBase dcTracker) { 597 synchronized (this) { 598 if (!mPendingRadioPowerOffAfterDataOff) { 599 // To minimize race conditions we call cleanUpAllConnections on 600 // both if else paths instead of before this isDisconnected test. 601 if (dcTracker.isDisconnected()) { 602 // To minimize race conditions we do this after isDisconnected 603 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 604 if (DBG) log("Data disconnected, turn off radio right away."); 605 hangupAndPowerOff(); 606 } else { 607 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 608 Message msg = Message.obtain(this); 609 msg.what = EVENT_SET_RADIO_POWER_OFF; 610 msg.arg1 = ++mPendingRadioPowerOffAfterDataOffTag; 611 if (sendMessageDelayed(msg, 30000)) { 612 if (DBG) log("Wait upto 30s for data to disconnect, then turn off radio."); 613 mPendingRadioPowerOffAfterDataOff = true; 614 } else { 615 log("Cannot send delayed Msg, turn off radio right away."); 616 hangupAndPowerOff(); 617 } 618 } 619 } 620 } 621 } 622 623 /** 624 * process the pending request to turn radio off after data is disconnected 625 * 626 * return true if there is pending request to process; false otherwise. 627 */ 628 public boolean processPendingRadioPowerOffAfterDataOff() { 629 synchronized(this) { 630 if (mPendingRadioPowerOffAfterDataOff) { 631 if (DBG) log("Process pending request to turn radio off."); 632 mPendingRadioPowerOffAfterDataOffTag += 1; 633 hangupAndPowerOff(); 634 mPendingRadioPowerOffAfterDataOff = false; 635 return true; 636 } 637 return false; 638 } 639 } 640 641 /** 642 * send signal-strength-changed notification if changed Called both for 643 * solicited and unsolicited signal strength updates 644 * 645 * @return true if the signal strength changed and a notification was sent. 646 */ 647 protected boolean onSignalStrengthResult(AsyncResult ar, boolean isGsm) { 648 SignalStrength oldSignalStrength = mSignalStrength; 649 650 // This signal is used for both voice and data radio signal so parse 651 // all fields 652 653 if ((ar.exception == null) && (ar.result != null)) { 654 mSignalStrength = (SignalStrength) ar.result; 655 mSignalStrength.validateInput(); 656 mSignalStrength.setGsm(isGsm); 657 } else { 658 log("onSignalStrengthResult() Exception from RIL : " + ar.exception); 659 mSignalStrength = new SignalStrength(isGsm); 660 } 661 662 return notifySignalStrength(); 663 } 664 665 /** 666 * Hang up all voice call and turn off radio. Implemented by derived class. 667 */ 668 protected abstract void hangupAndPowerOff(); 669 670 /** Cancel a pending (if any) pollState() operation */ 671 protected void cancelPollState() { 672 // This will effectively cancel the rest of the poll requests. 673 mPollingContext = new int[1]; 674 } 675 676 /** 677 * Return true if time zone needs fixing. 678 * 679 * @param phoneBase 680 * @param operatorNumeric 681 * @param prevOperatorNumeric 682 * @param needToFixTimeZone 683 * @return true if time zone needs to be fixed 684 */ 685 protected boolean shouldFixTimeZoneNow(PhoneBase phoneBase, String operatorNumeric, 686 String prevOperatorNumeric, boolean needToFixTimeZone) { 687 // Return false if the mcc isn't valid as we don't know where we are. 688 // Return true if we have an IccCard and the mcc changed or we 689 // need to fix it because when the NITZ time came in we didn't 690 // know the country code. 691 692 // If mcc is invalid then we'll return false 693 int mcc; 694 try { 695 mcc = Integer.parseInt(operatorNumeric.substring(0, 3)); 696 } catch (Exception e) { 697 if (DBG) { 698 log("shouldFixTimeZoneNow: no mcc, operatorNumeric=" + operatorNumeric + 699 " retVal=false"); 700 } 701 return false; 702 } 703 704 // If prevMcc is invalid will make it different from mcc 705 // so we'll return true if the card exists. 706 int prevMcc; 707 try { 708 prevMcc = Integer.parseInt(prevOperatorNumeric.substring(0, 3)); 709 } catch (Exception e) { 710 prevMcc = mcc + 1; 711 } 712 713 // Determine if the Icc card exists 714 boolean iccCardExist = false; 715 if (mUiccApplcation != null) { 716 iccCardExist = mUiccApplcation.getState() != AppState.APPSTATE_UNKNOWN; 717 } 718 719 // Determine retVal 720 boolean retVal = ((iccCardExist && (mcc != prevMcc)) || needToFixTimeZone); 721 if (DBG) { 722 long ctm = System.currentTimeMillis(); 723 log("shouldFixTimeZoneNow: retVal=" + retVal + 724 " iccCardExist=" + iccCardExist + 725 " operatorNumeric=" + operatorNumeric + " mcc=" + mcc + 726 " prevOperatorNumeric=" + prevOperatorNumeric + " prevMcc=" + prevMcc + 727 " needToFixTimeZone=" + needToFixTimeZone + 728 " ltod=" + TimeUtils.logTimeOfDay(ctm)); 729 } 730 return retVal; 731 } 732 733 public String getSystemProperty(String property, String defValue) { 734 return TelephonyManager.getTelephonyProperty(property, mPhoneBase.getSubId(), defValue); 735 } 736 737 /** 738 * @return all available cell information or null if none. 739 */ 740 public List<CellInfo> getAllCellInfo() { 741 CellInfoResult result = new CellInfoResult(); 742 if (VDBG) log("SST.getAllCellInfo(): E"); 743 int ver = mCi.getRilVersion(); 744 if (ver >= 8) { 745 if (isCallerOnDifferentThread()) { 746 if ((SystemClock.elapsedRealtime() - mLastCellInfoListTime) 747 > LAST_CELL_INFO_LIST_MAX_AGE_MS) { 748 Message msg = obtainMessage(EVENT_GET_CELL_INFO_LIST, result); 749 synchronized(result.lockObj) { 750 result.list = null; 751 mCi.getCellInfoList(msg); 752 try { 753 result.lockObj.wait(5000); 754 } catch (InterruptedException e) { 755 e.printStackTrace(); 756 } 757 } 758 } else { 759 if (DBG) log("SST.getAllCellInfo(): return last, back to back calls"); 760 result.list = mLastCellInfoList; 761 } 762 } else { 763 if (DBG) log("SST.getAllCellInfo(): return last, same thread can't block"); 764 result.list = mLastCellInfoList; 765 } 766 } else { 767 if (DBG) log("SST.getAllCellInfo(): not implemented"); 768 result.list = null; 769 } 770 synchronized(result.lockObj) { 771 if (result.list != null) { 772 if (DBG) log("SST.getAllCellInfo(): X size=" + result.list.size() 773 + " list=" + result.list); 774 return result.list; 775 } else { 776 if (DBG) log("SST.getAllCellInfo(): X size=0 list=null"); 777 return null; 778 } 779 } 780 } 781 782 /** 783 * @return signal strength 784 */ 785 public SignalStrength getSignalStrength() { 786 synchronized(mCellInfo) { 787 return mSignalStrength; 788 } 789 } 790 791 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 792 pw.println("ServiceStateTracker:"); 793 pw.println(" mSS=" + mSS); 794 pw.println(" mNewSS=" + mNewSS); 795 pw.println(" mCellInfo=" + mCellInfo); 796 pw.println(" mRestrictedState=" + mRestrictedState); 797 pw.println(" mPollingContext=" + mPollingContext); 798 pw.println(" mDesiredPowerState=" + mDesiredPowerState); 799 pw.println(" mDontPollSignalStrength=" + mDontPollSignalStrength); 800 pw.println(" mPendingRadioPowerOffAfterDataOff=" + mPendingRadioPowerOffAfterDataOff); 801 pw.println(" mPendingRadioPowerOffAfterDataOffTag=" + mPendingRadioPowerOffAfterDataOffTag); 802 } 803 804 /** 805 * Verifies the current thread is the same as the thread originally 806 * used in the initialization of this instance. Throws RuntimeException 807 * if not. 808 * 809 * @exception RuntimeException if the current thread is not 810 * the thread that originally obtained this PhoneBase instance. 811 */ 812 protected void checkCorrectThread() { 813 if (Thread.currentThread() != getLooper().getThread()) { 814 throw new RuntimeException( 815 "ServiceStateTracker must be used from within one thread"); 816 } 817 } 818 819 protected boolean isCallerOnDifferentThread() { 820 boolean value = Thread.currentThread() != getLooper().getThread(); 821 if (VDBG) log("isCallerOnDifferentThread: " + value); 822 return value; 823 } 824 825 protected void updateCarrierMccMncConfiguration(String newOp, String oldOp, Context context) { 826 // if we have a change in operator, notify wifi (even to/from none) 827 if (((newOp == null) && (TextUtils.isEmpty(oldOp) == false)) || 828 ((newOp != null) && (newOp.equals(oldOp) == false))) { 829 log("update mccmnc=" + newOp + " fromServiceState=true"); 830 MccTable.updateMccMncConfiguration(context, newOp, true); 831 } 832 } 833} 834