ServiceStateTracker.java revision f02d966cc7e87eaea595f05714857c4ca99a36e6
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.os.AsyncResult; 20import android.os.Handler; 21import android.os.Message; 22import android.os.Registrant; 23import android.os.RegistrantList; 24import android.os.SystemClock; 25import android.telephony.CellInfo; 26import android.telephony.ServiceState; 27import android.telephony.SignalStrength; 28import android.util.Pair; 29import android.util.TimeUtils; 30 31import java.io.FileDescriptor; 32import java.io.PrintWriter; 33import java.util.ArrayList; 34import java.util.List; 35 36import com.android.internal.telephony.dataconnection.DcTrackerBase; 37import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppState; 38import com.android.internal.telephony.uicc.IccRecords; 39import com.android.internal.telephony.uicc.UiccCardApplication; 40import com.android.internal.telephony.uicc.UiccController; 41 42/** 43 * {@hide} 44 */ 45public abstract class ServiceStateTracker extends Handler { 46 protected static final boolean DBG = true; 47 protected static final boolean VDBG = false; 48 49 protected static final String PROP_FORCE_ROAMING = "telephony.test.forceRoaming"; 50 51 protected CommandsInterface mCi; 52 protected UiccController mUiccController = null; 53 protected UiccCardApplication mUiccApplcation = null; 54 protected IccRecords mIccRecords = null; 55 56 protected PhoneBase mPhoneBase; 57 58 protected boolean mVoiceCapable; 59 60 public ServiceState mSS = new ServiceState(); 61 protected ServiceState mNewSS = new ServiceState(); 62 63 private static final long LAST_CELL_INFO_LIST_MAX_AGE_MS = 2000; 64 protected long mLastCellInfoListTime; 65 protected List<CellInfo> mLastCellInfoList = null; 66 67 // This is final as subclasses alias to a more specific type 68 // so we don't want the reference to change. 69 protected final CellInfo mCellInfo; 70 71 protected SignalStrength mSignalStrength = new SignalStrength(); 72 73 // TODO - this should not be public, right now used externally GsmConnetion. 74 public RestrictedState mRestrictedState = new RestrictedState(); 75 76 /* The otaspMode passed to PhoneStateListener#onOtaspChanged */ 77 static public final int OTASP_UNINITIALIZED = 0; 78 static public final int OTASP_UNKNOWN = 1; 79 static public final int OTASP_NEEDED = 2; 80 static public final int OTASP_NOT_NEEDED = 3; 81 82 /** 83 * A unique identifier to track requests associated with a poll 84 * and ignore stale responses. The value is a count-down of 85 * expected responses in this pollingContext. 86 */ 87 protected int[] mPollingContext; 88 protected boolean mDesiredPowerState; 89 90 /** 91 * By default, strength polling is enabled. However, if we're 92 * getting unsolicited signal strength updates from the radio, set 93 * value to true and don't bother polling any more. 94 */ 95 protected boolean mDontPollSignalStrength = false; 96 97 protected RegistrantList mRoamingOnRegistrants = new RegistrantList(); 98 protected RegistrantList mRoamingOffRegistrants = new RegistrantList(); 99 protected RegistrantList mAttachedRegistrants = new RegistrantList(); 100 protected RegistrantList mDetachedRegistrants = new RegistrantList(); 101 protected RegistrantList mDataRegStateOrRatChangedRegistrants = new RegistrantList(); 102 protected RegistrantList mNetworkAttachedRegistrants = new RegistrantList(); 103 protected RegistrantList mPsRestrictEnabledRegistrants = new RegistrantList(); 104 protected RegistrantList mPsRestrictDisabledRegistrants = new RegistrantList(); 105 106 /* Radio power off pending flag and tag counter */ 107 private boolean mPendingRadioPowerOffAfterDataOff = false; 108 private int mPendingRadioPowerOffAfterDataOffTag = 0; 109 110 /** Signal strength poll rate. */ 111 protected static final int POLL_PERIOD_MILLIS = 20 * 1000; 112 113 /** Waiting period before recheck gprs and voice registration. */ 114 public static final int DEFAULT_GPRS_CHECK_PERIOD_MILLIS = 60 * 1000; 115 116 /** GSM events */ 117 protected static final int EVENT_RADIO_STATE_CHANGED = 1; 118 protected static final int EVENT_NETWORK_STATE_CHANGED = 2; 119 protected static final int EVENT_GET_SIGNAL_STRENGTH = 3; 120 protected static final int EVENT_POLL_STATE_REGISTRATION = 4; 121 protected static final int EVENT_POLL_STATE_GPRS = 5; 122 protected static final int EVENT_POLL_STATE_OPERATOR = 6; 123 protected static final int EVENT_POLL_SIGNAL_STRENGTH = 10; 124 protected static final int EVENT_NITZ_TIME = 11; 125 protected static final int EVENT_SIGNAL_STRENGTH_UPDATE = 12; 126 protected static final int EVENT_RADIO_AVAILABLE = 13; 127 protected static final int EVENT_POLL_STATE_NETWORK_SELECTION_MODE = 14; 128 protected static final int EVENT_GET_LOC_DONE = 15; 129 protected static final int EVENT_SIM_RECORDS_LOADED = 16; 130 protected static final int EVENT_SIM_READY = 17; 131 protected static final int EVENT_LOCATION_UPDATES_ENABLED = 18; 132 protected static final int EVENT_GET_PREFERRED_NETWORK_TYPE = 19; 133 protected static final int EVENT_SET_PREFERRED_NETWORK_TYPE = 20; 134 protected static final int EVENT_RESET_PREFERRED_NETWORK_TYPE = 21; 135 protected static final int EVENT_CHECK_REPORT_GPRS = 22; 136 protected static final int EVENT_RESTRICTED_STATE_CHANGED = 23; 137 138 /** CDMA events */ 139 protected static final int EVENT_POLL_STATE_REGISTRATION_CDMA = 24; 140 protected static final int EVENT_POLL_STATE_OPERATOR_CDMA = 25; 141 protected static final int EVENT_RUIM_READY = 26; 142 protected static final int EVENT_RUIM_RECORDS_LOADED = 27; 143 protected static final int EVENT_POLL_SIGNAL_STRENGTH_CDMA = 28; 144 protected static final int EVENT_GET_SIGNAL_STRENGTH_CDMA = 29; 145 protected static final int EVENT_NETWORK_STATE_CHANGED_CDMA = 30; 146 protected static final int EVENT_GET_LOC_DONE_CDMA = 31; 147 //protected static final int EVENT_UNUSED = 32; 148 protected static final int EVENT_NV_LOADED = 33; 149 protected static final int EVENT_POLL_STATE_CDMA_SUBSCRIPTION = 34; 150 protected static final int EVENT_NV_READY = 35; 151 protected static final int EVENT_ERI_FILE_LOADED = 36; 152 protected static final int EVENT_OTA_PROVISION_STATUS_CHANGE = 37; 153 protected static final int EVENT_SET_RADIO_POWER_OFF = 38; 154 protected static final int EVENT_CDMA_SUBSCRIPTION_SOURCE_CHANGED = 39; 155 protected static final int EVENT_CDMA_PRL_VERSION_CHANGED = 40; 156 protected static final int EVENT_RADIO_ON = 41; 157 protected static final int EVENT_ICC_CHANGED = 42; 158 protected static final int EVENT_GET_CELL_INFO_LIST = 43; 159 protected static final int EVENT_UNSOL_CELL_INFO_LIST = 44; 160 161 protected static final String TIMEZONE_PROPERTY = "persist.sys.timezone"; 162 163 /** 164 * List of ISO codes for countries that can have an offset of 165 * GMT+0 when not in daylight savings time. This ignores some 166 * small places such as the Canary Islands (Spain) and 167 * Danmarkshavn (Denmark). The list must be sorted by code. 168 */ 169 protected static final String[] GMT_COUNTRY_CODES = { 170 "bf", // Burkina Faso 171 "ci", // Cote d'Ivoire 172 "eh", // Western Sahara 173 "fo", // Faroe Islands, Denmark 174 "gb", // United Kingdom of Great Britain and Northern Ireland 175 "gh", // Ghana 176 "gm", // Gambia 177 "gn", // Guinea 178 "gw", // Guinea Bissau 179 "ie", // Ireland 180 "lr", // Liberia 181 "is", // Iceland 182 "ma", // Morocco 183 "ml", // Mali 184 "mr", // Mauritania 185 "pt", // Portugal 186 "sl", // Sierra Leone 187 "sn", // Senegal 188 "st", // Sao Tome and Principe 189 "tg", // Togo 190 }; 191 192 private class CellInfoResult { 193 List<CellInfo> list; 194 Object lockObj = new Object(); 195 } 196 197 /** Reason for registration denial. */ 198 protected static final String REGISTRATION_DENIED_GEN = "General"; 199 protected static final String REGISTRATION_DENIED_AUTH = "Authentication Failure"; 200 201 protected ServiceStateTracker(PhoneBase phoneBase, CommandsInterface ci, CellInfo cellInfo) { 202 mPhoneBase = phoneBase; 203 mCellInfo = cellInfo; 204 mCi = ci; 205 mVoiceCapable = mPhoneBase.getContext().getResources().getBoolean( 206 com.android.internal.R.bool.config_voice_capable); 207 mUiccController = UiccController.getInstance(); 208 mUiccController.registerForIccChanged(this, EVENT_ICC_CHANGED, null); 209 mCi.setOnSignalStrengthUpdate(this, EVENT_SIGNAL_STRENGTH_UPDATE, null); 210 mCi.registerForCellInfoList(this, EVENT_UNSOL_CELL_INFO_LIST, null); 211 } 212 213 public void dispose() { 214 mCi.unSetOnSignalStrengthUpdate(this); 215 mUiccController.unregisterForIccChanged(this); 216 mCi.unregisterForCellInfoList(this); 217 } 218 219 public boolean getDesiredPowerState() { 220 return mDesiredPowerState; 221 } 222 223 private SignalStrength mLastSignalStrength = null; 224 protected boolean notifySignalStrength() { 225 boolean notified = false; 226 synchronized(mCellInfo) { 227 if (!mSignalStrength.equals(mLastSignalStrength)) { 228 try { 229 mPhoneBase.notifySignalStrength(); 230 notified = true; 231 } catch (NullPointerException ex) { 232 loge("updateSignalStrength() Phone already destroyed: " + ex 233 + "SignalStrength not notified"); 234 } 235 } 236 } 237 return notified; 238 } 239 240 /** 241 * Notify all mDataConnectionRatChangeRegistrants using an 242 * AsyncResult in msg.obj where AsyncResult#result contains the 243 * new RAT as an Integer Object. 244 */ 245 protected void notifyDataRegStateRilRadioTechnologyChanged() { 246 int rat = mSS.getRilDataRadioTechnology(); 247 int drs = mSS.getDataRegState(); 248 if (DBG) log("notifyDataRegStateRilRadioTechnologyChanged: drs=" + drs + " rat=" + rat); 249 mPhoneBase.setSystemProperty(TelephonyProperties.PROPERTY_DATA_NETWORK_TYPE, 250 ServiceState.rilRadioTechnologyToString(rat)); 251 mDataRegStateOrRatChangedRegistrants.notifyResult(new Pair<Integer, Integer>(drs, rat)); 252 } 253 254 /** 255 * Some operators have been known to report registration failure 256 * data only devices, to fix that use DataRegState. 257 */ 258 protected void useDataRegStateForDataOnlyDevices() { 259 if (mVoiceCapable == false) { 260 if (DBG) { 261 log("useDataRegStateForDataOnlyDevice: VoiceRegState=" + mNewSS.getVoiceRegState() 262 + " DataRegState=" + mNewSS.getDataRegState()); 263 } 264 // TODO: Consider not lying and instead have callers know the difference. 265 mNewSS.setVoiceRegState(mNewSS.getDataRegState()); 266 } 267 } 268 269 270 /** 271 * Registration point for combined roaming on 272 * combined roaming is true when roaming is true and ONS differs SPN 273 * 274 * @param h handler to notify 275 * @param what what code of message when delivered 276 * @param obj placed in Message.obj 277 */ 278 public void registerForRoamingOn(Handler h, int what, Object obj) { 279 Registrant r = new Registrant(h, what, obj); 280 mRoamingOnRegistrants.add(r); 281 282 if (mSS.getRoaming()) { 283 r.notifyRegistrant(); 284 } 285 } 286 287 public void unregisterForRoamingOn(Handler h) { 288 mRoamingOnRegistrants.remove(h); 289 } 290 291 /** 292 * Registration point for combined roaming off 293 * combined roaming is true when roaming is true and ONS differs SPN 294 * 295 * @param h handler to notify 296 * @param what what code of message when delivered 297 * @param obj placed in Message.obj 298 */ 299 public void registerForRoamingOff(Handler h, int what, Object obj) { 300 Registrant r = new Registrant(h, what, obj); 301 mRoamingOffRegistrants.add(r); 302 303 if (!mSS.getRoaming()) { 304 r.notifyRegistrant(); 305 } 306 } 307 308 public void unregisterForRoamingOff(Handler h) { 309 mRoamingOffRegistrants.remove(h); 310 } 311 312 /** 313 * Re-register network by toggling preferred network type. 314 * This is a work-around to deregister and register network since there is 315 * no ril api to set COPS=2 (deregister) only. 316 * 317 * @param onComplete is dispatched when this is complete. it will be 318 * an AsyncResult, and onComplete.obj.exception will be non-null 319 * on failure. 320 */ 321 public void reRegisterNetwork(Message onComplete) { 322 mCi.getPreferredNetworkType( 323 obtainMessage(EVENT_GET_PREFERRED_NETWORK_TYPE, onComplete)); 324 } 325 326 public void 327 setRadioPower(boolean power) { 328 mDesiredPowerState = power; 329 330 setPowerStateToDesired(); 331 } 332 333 /** 334 * These two flags manage the behavior of the cell lock -- the 335 * lock should be held if either flag is true. The intention is 336 * to allow temporary acquisition of the lock to get a single 337 * update. Such a lock grab and release can thus be made to not 338 * interfere with more permanent lock holds -- in other words, the 339 * lock will only be released if both flags are false, and so 340 * releases by temporary users will only affect the lock state if 341 * there is no continuous user. 342 */ 343 private boolean mWantContinuousLocationUpdates; 344 private boolean mWantSingleLocationUpdate; 345 346 public void enableSingleLocationUpdate() { 347 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 348 mWantSingleLocationUpdate = true; 349 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 350 } 351 352 public void enableLocationUpdates() { 353 if (mWantSingleLocationUpdate || mWantContinuousLocationUpdates) return; 354 mWantContinuousLocationUpdates = true; 355 mCi.setLocationUpdates(true, obtainMessage(EVENT_LOCATION_UPDATES_ENABLED)); 356 } 357 358 protected void disableSingleLocationUpdate() { 359 mWantSingleLocationUpdate = false; 360 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 361 mCi.setLocationUpdates(false, null); 362 } 363 } 364 365 public void disableLocationUpdates() { 366 mWantContinuousLocationUpdates = false; 367 if (!mWantSingleLocationUpdate && !mWantContinuousLocationUpdates) { 368 mCi.setLocationUpdates(false, null); 369 } 370 } 371 372 @Override 373 public void handleMessage(Message msg) { 374 switch (msg.what) { 375 case EVENT_SET_RADIO_POWER_OFF: 376 synchronized(this) { 377 if (mPendingRadioPowerOffAfterDataOff && 378 (msg.arg1 == mPendingRadioPowerOffAfterDataOffTag)) { 379 if (DBG) log("EVENT_SET_RADIO_OFF, turn radio off now."); 380 hangupAndPowerOff(); 381 mPendingRadioPowerOffAfterDataOffTag += 1; 382 mPendingRadioPowerOffAfterDataOff = false; 383 } else { 384 log("EVENT_SET_RADIO_OFF is stale arg1=" + msg.arg1 + 385 "!= tag=" + mPendingRadioPowerOffAfterDataOffTag); 386 } 387 } 388 break; 389 390 case EVENT_ICC_CHANGED: 391 onUpdateIccAvailability(); 392 break; 393 394 case EVENT_GET_CELL_INFO_LIST: { 395 AsyncResult ar = (AsyncResult) msg.obj; 396 CellInfoResult result = (CellInfoResult) ar.userObj; 397 synchronized(result.lockObj) { 398 if (ar.exception != null) { 399 log("EVENT_GET_CELL_INFO_LIST: error ret null, e=" + ar.exception); 400 result.list = null; 401 } else { 402 result.list = (List<CellInfo>) ar.result; 403 404 if (VDBG) { 405 log("EVENT_GET_CELL_INFO_LIST: size=" + result.list.size() 406 + " list=" + result.list); 407 } 408 } 409 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 410 mLastCellInfoList = result.list; 411 result.lockObj.notify(); 412 } 413 break; 414 } 415 416 case EVENT_UNSOL_CELL_INFO_LIST: { 417 AsyncResult ar = (AsyncResult) msg.obj; 418 if (ar.exception != null) { 419 log("EVENT_UNSOL_CELL_INFO_LIST: error ignoring, e=" + ar.exception); 420 } else { 421 List<CellInfo> list = (List<CellInfo>) ar.result; 422 if (DBG) { 423 log("EVENT_UNSOL_CELL_INFO_LIST: size=" + list.size() 424 + " list=" + list); 425 } 426 mLastCellInfoListTime = SystemClock.elapsedRealtime(); 427 mLastCellInfoList = list; 428 mPhoneBase.notifyCellInfo(list); 429 } 430 break; 431 } 432 433 default: 434 log("Unhandled message with number: " + msg.what); 435 break; 436 } 437 } 438 439 protected abstract Phone getPhone(); 440 protected abstract void handlePollStateResult(int what, AsyncResult ar); 441 protected abstract void updateSpnDisplay(); 442 protected abstract void setPowerStateToDesired(); 443 protected abstract void onUpdateIccAvailability(); 444 protected abstract void log(String s); 445 protected abstract void loge(String s); 446 447 public abstract int getCurrentDataConnectionState(); 448 public abstract boolean isConcurrentVoiceAndDataAllowed(); 449 450 /** 451 * Registration point for transition into DataConnection attached. 452 * @param h handler to notify 453 * @param what what code of message when delivered 454 * @param obj placed in Message.obj 455 */ 456 public void registerForDataConnectionAttached(Handler h, int what, Object obj) { 457 Registrant r = new Registrant(h, what, obj); 458 mAttachedRegistrants.add(r); 459 460 if (getCurrentDataConnectionState() == ServiceState.STATE_IN_SERVICE) { 461 r.notifyRegistrant(); 462 } 463 } 464 public void unregisterForDataConnectionAttached(Handler h) { 465 mAttachedRegistrants.remove(h); 466 } 467 468 /** 469 * Registration point for transition into DataConnection detached. 470 * @param h handler to notify 471 * @param what what code of message when delivered 472 * @param obj placed in Message.obj 473 */ 474 public void registerForDataConnectionDetached(Handler h, int what, Object obj) { 475 Registrant r = new Registrant(h, what, obj); 476 mDetachedRegistrants.add(r); 477 478 if (getCurrentDataConnectionState() != ServiceState.STATE_IN_SERVICE) { 479 r.notifyRegistrant(); 480 } 481 } 482 public void unregisterForDataConnectionDetached(Handler h) { 483 mDetachedRegistrants.remove(h); 484 } 485 486 /** 487 * Registration for DataConnection RIL Data Radio Technology changing. The 488 * new radio technology will be returned AsyncResult#result as an Integer Object. 489 * The AsyncResult will be in the notification Message#obj. 490 * 491 * @param h handler to notify 492 * @param what what code of message when delivered 493 * @param obj placed in Message.obj 494 */ 495 public void registerForDataRegStateOrRatChanged(Handler h, int what, Object obj) { 496 Registrant r = new Registrant(h, what, obj); 497 mDataRegStateOrRatChangedRegistrants.add(r); 498 notifyDataRegStateRilRadioTechnologyChanged(); 499 } 500 public void unregisterForDataRegStateOrRatChanged(Handler h) { 501 mDataRegStateOrRatChangedRegistrants.remove(h); 502 } 503 504 /** 505 * Registration point for transition into network attached. 506 * @param h handler to notify 507 * @param what what code of message when delivered 508 * @param obj in Message.obj 509 */ 510 public void registerForNetworkAttached(Handler h, int what, Object obj) { 511 Registrant r = new Registrant(h, what, obj); 512 513 mNetworkAttachedRegistrants.add(r); 514 if (mSS.getVoiceRegState() == ServiceState.STATE_IN_SERVICE) { 515 r.notifyRegistrant(); 516 } 517 } 518 public void unregisterForNetworkAttached(Handler h) { 519 mNetworkAttachedRegistrants.remove(h); 520 } 521 522 /** 523 * Registration point for transition into packet service restricted zone. 524 * @param h handler to notify 525 * @param what what code of message when delivered 526 * @param obj placed in Message.obj 527 */ 528 public void registerForPsRestrictedEnabled(Handler h, int what, Object obj) { 529 Registrant r = new Registrant(h, what, obj); 530 mPsRestrictEnabledRegistrants.add(r); 531 532 if (mRestrictedState.isPsRestricted()) { 533 r.notifyRegistrant(); 534 } 535 } 536 537 public void unregisterForPsRestrictedEnabled(Handler h) { 538 mPsRestrictEnabledRegistrants.remove(h); 539 } 540 541 /** 542 * Registration point for transition out of 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 registerForPsRestrictedDisabled(Handler h, int what, Object obj) { 548 Registrant r = new Registrant(h, what, obj); 549 mPsRestrictDisabledRegistrants.add(r); 550 551 if (mRestrictedState.isPsRestricted()) { 552 r.notifyRegistrant(); 553 } 554 } 555 556 public void unregisterForPsRestrictedDisabled(Handler h) { 557 mPsRestrictDisabledRegistrants.remove(h); 558 } 559 560 /** 561 * Clean up existing voice and data connection then turn off radio power. 562 * 563 * Hang up the existing voice calls to decrease call drop rate. 564 */ 565 public void powerOffRadioSafely(DcTrackerBase dcTracker) { 566 synchronized (this) { 567 if (!mPendingRadioPowerOffAfterDataOff) { 568 // To minimize race conditions we call cleanUpAllConnections on 569 // both if else paths instead of before this isDisconnected test. 570 if (dcTracker.isDisconnected()) { 571 // To minimize race conditions we do this after isDisconnected 572 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 573 if (DBG) log("Data disconnected, turn off radio right away."); 574 hangupAndPowerOff(); 575 } else { 576 dcTracker.cleanUpAllConnections(Phone.REASON_RADIO_TURNED_OFF); 577 Message msg = Message.obtain(this); 578 msg.what = EVENT_SET_RADIO_POWER_OFF; 579 msg.arg1 = ++mPendingRadioPowerOffAfterDataOffTag; 580 if (sendMessageDelayed(msg, 30000)) { 581 if (DBG) log("Wait upto 30s for data to disconnect, then turn off radio."); 582 mPendingRadioPowerOffAfterDataOff = true; 583 } else { 584 log("Cannot send delayed Msg, turn off radio right away."); 585 hangupAndPowerOff(); 586 } 587 } 588 } 589 } 590 } 591 592 /** 593 * process the pending request to turn radio off after data is disconnected 594 * 595 * return true if there is pending request to process; false otherwise. 596 */ 597 public boolean processPendingRadioPowerOffAfterDataOff() { 598 synchronized(this) { 599 if (mPendingRadioPowerOffAfterDataOff) { 600 if (DBG) log("Process pending request to turn radio off."); 601 mPendingRadioPowerOffAfterDataOffTag += 1; 602 hangupAndPowerOff(); 603 mPendingRadioPowerOffAfterDataOff = false; 604 return true; 605 } 606 return false; 607 } 608 } 609 610 /** 611 * send signal-strength-changed notification if changed Called both for 612 * solicited and unsolicited signal strength updates 613 * 614 * @return true if the signal strength changed and a notification was sent. 615 */ 616 protected boolean onSignalStrengthResult(AsyncResult ar, boolean isGsm) { 617 SignalStrength oldSignalStrength = mSignalStrength; 618 619 // This signal is used for both voice and data radio signal so parse 620 // all fields 621 622 if ((ar.exception == null) && (ar.result != null)) { 623 mSignalStrength = (SignalStrength) ar.result; 624 mSignalStrength.validateInput(); 625 mSignalStrength.setGsm(isGsm); 626 } else { 627 log("onSignalStrengthResult() Exception from RIL : " + ar.exception); 628 mSignalStrength = new SignalStrength(isGsm); 629 } 630 631 return notifySignalStrength(); 632 } 633 634 /** 635 * Hang up all voice call and turn off radio. Implemented by derived class. 636 */ 637 protected abstract void hangupAndPowerOff(); 638 639 /** Cancel a pending (if any) pollState() operation */ 640 protected void cancelPollState() { 641 // This will effectively cancel the rest of the poll requests. 642 mPollingContext = new int[1]; 643 } 644 645 /** 646 * Return true if time zone needs fixing. 647 * 648 * @param phoneBase 649 * @param operatorNumeric 650 * @param prevOperatorNumeric 651 * @param needToFixTimeZone 652 * @return true if time zone needs to be fixed 653 */ 654 protected boolean shouldFixTimeZoneNow(PhoneBase phoneBase, String operatorNumeric, 655 String prevOperatorNumeric, boolean needToFixTimeZone) { 656 // Return false if the mcc isn't valid as we don't know where we are. 657 // Return true if we have an IccCard and the mcc changed or we 658 // need to fix it because when the NITZ time came in we didn't 659 // know the country code. 660 661 // If mcc is invalid then we'll return false 662 int mcc; 663 try { 664 mcc = Integer.parseInt(operatorNumeric.substring(0, 3)); 665 } catch (Exception e) { 666 if (DBG) { 667 log("shouldFixTimeZoneNow: no mcc, operatorNumeric=" + operatorNumeric + 668 " retVal=false"); 669 } 670 return false; 671 } 672 673 // If prevMcc is invalid will make it different from mcc 674 // so we'll return true if the card exists. 675 int prevMcc; 676 try { 677 prevMcc = Integer.parseInt(prevOperatorNumeric.substring(0, 3)); 678 } catch (Exception e) { 679 prevMcc = mcc + 1; 680 } 681 682 // Determine if the Icc card exists 683 boolean iccCardExist = false; 684 if (mUiccApplcation != null) { 685 iccCardExist = mUiccApplcation.getState() != AppState.APPSTATE_UNKNOWN; 686 } 687 688 // Determine retVal 689 boolean retVal = ((iccCardExist && (mcc != prevMcc)) || needToFixTimeZone); 690 if (DBG) { 691 long ctm = System.currentTimeMillis(); 692 log("shouldFixTimeZoneNow: retVal=" + retVal + 693 " iccCardExist=" + iccCardExist + 694 " operatorNumeric=" + operatorNumeric + " mcc=" + mcc + 695 " prevOperatorNumeric=" + prevOperatorNumeric + " prevMcc=" + prevMcc + 696 " needToFixTimeZone=" + needToFixTimeZone + 697 " ltod=" + TimeUtils.logTimeOfDay(ctm)); 698 } 699 return retVal; 700 } 701 702 /** 703 * @return all available cell information or null if none. 704 */ 705 public List<CellInfo> getAllCellInfo() { 706 CellInfoResult result = new CellInfoResult(); 707 if (VDBG) log("SST.getAllCellInfo(): E"); 708 int ver = mCi.getRilVersion(); 709 if (ver >= 8) { 710 if (isCallerOnDifferentThread()) { 711 if ((SystemClock.elapsedRealtime() - mLastCellInfoListTime) 712 > LAST_CELL_INFO_LIST_MAX_AGE_MS) { 713 Message msg = obtainMessage(EVENT_GET_CELL_INFO_LIST, result); 714 synchronized(result.lockObj) { 715 mCi.getCellInfoList(msg); 716 try { 717 result.lockObj.wait(); 718 } catch (InterruptedException e) { 719 e.printStackTrace(); 720 result.list = null; 721 } 722 } 723 } else { 724 if (DBG) log("SST.getAllCellInfo(): return last, back to back calls"); 725 result.list = mLastCellInfoList; 726 } 727 } else { 728 if (DBG) log("SST.getAllCellInfo(): return last, same thread can't block"); 729 result.list = mLastCellInfoList; 730 } 731 } else { 732 if (DBG) log("SST.getAllCellInfo(): not implemented"); 733 result.list = null; 734 } 735 if (DBG) { 736 if (result.list != null) { 737 log("SST.getAllCellInfo(): X size=" + result.list.size() 738 + " list=" + result.list); 739 } else { 740 log("SST.getAllCellInfo(): X size=0 list=null"); 741 } 742 } 743 return result.list; 744 } 745 746 /** 747 * @return signal strength 748 */ 749 public SignalStrength getSignalStrength() { 750 synchronized(mCellInfo) { 751 return mSignalStrength; 752 } 753 } 754 755 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 756 pw.println("ServiceStateTracker:"); 757 pw.println(" mSS=" + mSS); 758 pw.println(" mNewSS=" + mNewSS); 759 pw.println(" mCellInfo=" + mCellInfo); 760 pw.println(" mRestrictedState=" + mRestrictedState); 761 pw.println(" mPollingContext=" + mPollingContext); 762 pw.println(" mDesiredPowerState=" + mDesiredPowerState); 763 pw.println(" mDontPollSignalStrength=" + mDontPollSignalStrength); 764 pw.println(" mPendingRadioPowerOffAfterDataOff=" + mPendingRadioPowerOffAfterDataOff); 765 pw.println(" mPendingRadioPowerOffAfterDataOffTag=" + mPendingRadioPowerOffAfterDataOffTag); 766 } 767 768 /** 769 * Verifies the current thread is the same as the thread originally 770 * used in the initialization of this instance. Throws RuntimeException 771 * if not. 772 * 773 * @exception RuntimeException if the current thread is not 774 * the thread that originally obtained this PhoneBase instance. 775 */ 776 protected void checkCorrectThread() { 777 if (Thread.currentThread() != getLooper().getThread()) { 778 throw new RuntimeException( 779 "ServiceStateTracker must be used from within one thread"); 780 } 781 } 782 783 protected boolean isCallerOnDifferentThread() { 784 boolean value = Thread.currentThread() != getLooper().getThread(); 785 if (VDBG) log("isCallerOnDifferentThread: " + value); 786 return value; 787 } 788} 789