DcTrackerBase.java revision 63dce7fe9678c4610a410ebddd49518190f90386
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.dataconnection; 18 19import android.app.AlarmManager; 20import android.app.PendingIntent; 21import android.content.BroadcastReceiver; 22import android.content.ContentResolver; 23import android.content.Context; 24import android.content.Intent; 25import android.content.IntentFilter; 26import android.content.SharedPreferences; 27import android.database.ContentObserver; 28import android.net.ConnectivityManager; 29import android.net.LinkCapabilities; 30import android.net.LinkProperties; 31import android.net.NetworkInfo; 32import android.net.TrafficStats; 33import android.net.wifi.WifiManager; 34import android.os.AsyncResult; 35import android.os.Build; 36import android.os.Bundle; 37import android.os.Handler; 38import android.os.HandlerThread; 39import android.os.Message; 40import android.os.Messenger; 41import android.os.SystemClock; 42import android.os.SystemProperties; 43import android.preference.PreferenceManager; 44import android.provider.Settings; 45import android.provider.Settings.SettingNotFoundException; 46import android.telephony.TelephonyManager; 47import android.text.TextUtils; 48import android.util.EventLog; 49import android.telephony.Rlog; 50 51import com.android.internal.R; 52import com.android.internal.telephony.DctConstants; 53import com.android.internal.telephony.DctConstants.State; 54import com.android.internal.telephony.EventLogTags; 55import com.android.internal.telephony.Phone; 56import com.android.internal.telephony.PhoneBase; 57import com.android.internal.telephony.PhoneConstants; 58import com.android.internal.telephony.uicc.IccRecords; 59import com.android.internal.telephony.uicc.UiccController; 60import com.android.internal.util.AsyncChannel; 61import com.android.internal.util.ArrayUtils; 62 63import java.io.FileDescriptor; 64import java.io.PrintWriter; 65import java.util.ArrayList; 66import java.util.Comparator; 67import java.util.HashMap; 68import java.util.Map.Entry; 69import java.util.Set; 70import java.util.concurrent.ConcurrentHashMap; 71import java.util.concurrent.atomic.AtomicInteger; 72import java.util.concurrent.atomic.AtomicReference; 73import java.util.PriorityQueue; 74 75/** 76 * {@hide} 77 */ 78public abstract class DcTrackerBase extends Handler { 79 protected static final boolean DBG = true; 80 protected static final boolean VDBG = false; // STOPSHIP if true 81 protected static final boolean VDBG_STALL = true; // STOPSHIP if true 82 protected static final boolean RADIO_TESTS = false; 83 84 /** 85 * Constants for the data connection activity: 86 * physical link down/up 87 */ 88 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_INACTIVE = 0; 89 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_DOWN = 1; 90 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_UP = 2; 91 92 /** Delay between APN attempts. 93 Note the property override mechanism is there just for testing purpose only. */ 94 protected static final int APN_DELAY_DEFAULT_MILLIS = 20000; 95 96 /** Delay between APN attempts when in fail fast mode */ 97 protected static final int APN_FAIL_FAST_DELAY_DEFAULT_MILLIS = 3000; 98 99 AlarmManager mAlarmManager; 100 101 protected Object mDataEnabledLock = new Object(); 102 103 // responds to the setInternalDataEnabled call - used internally to turn off data 104 // for example during emergency calls 105 protected boolean mInternalDataEnabled = true; 106 107 // responds to public (user) API to enable/disable data use 108 // independent of mInternalDataEnabled and requests for APN access 109 // persisted 110 protected boolean mUserDataEnabled = true; 111 112 // TODO: move away from static state once 5587429 is fixed. 113 protected static boolean sPolicyDataEnabled = true; 114 115 private boolean[] mDataEnabled = new boolean[DctConstants.APN_NUM_TYPES]; 116 117 private int mEnabledCount = 0; 118 119 /* Currently requested APN type (TODO: This should probably be a parameter not a member) */ 120 protected String mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 121 122 /** Retry configuration: A doubling of retry times from 5secs to 30minutes */ 123 protected static final String DEFAULT_DATA_RETRY_CONFIG = "default_randomization=2000," 124 + "5000,10000,20000,40000,80000:5000,160000:5000," 125 + "320000:5000,640000:5000,1280000:5000,1800000:5000"; 126 127 /** Retry configuration for secondary networks: 4 tries in 20 sec */ 128 protected static final String SECONDARY_DATA_RETRY_CONFIG = 129 "max_retries=3, 5000, 5000, 5000"; 130 131 /** Slow poll when attempting connection recovery. */ 132 protected static final int POLL_NETSTAT_SLOW_MILLIS = 5000; 133 /** Default max failure count before attempting to network re-registration. */ 134 protected static final int DEFAULT_MAX_PDP_RESET_FAIL = 3; 135 136 /** 137 * After detecting a potential connection problem, this is the max number 138 * of subsequent polls before attempting recovery. 139 */ 140 protected static final int NO_RECV_POLL_LIMIT = 24; 141 // 1 sec. default polling interval when screen is on. 142 protected static final int POLL_NETSTAT_MILLIS = 1000; 143 // 10 min. default polling interval when screen is off. 144 protected static final int POLL_NETSTAT_SCREEN_OFF_MILLIS = 1000*60*10; 145 // 2 min for round trip time 146 protected static final int POLL_LONGEST_RTT = 120 * 1000; 147 // Default sent packets without ack which triggers initial recovery steps 148 protected static final int NUMBER_SENT_PACKETS_OF_HANG = 10; 149 // how long to wait before switching back to default APN 150 protected static final int RESTORE_DEFAULT_APN_DELAY = 1 * 60 * 1000; 151 // system property that can override the above value 152 protected static final String APN_RESTORE_DELAY_PROP_NAME = "android.telephony.apn-restore"; 153 // represents an invalid IP address 154 protected static final String NULL_IP = "0.0.0.0"; 155 156 // Default for the data stall alarm while non-aggressive stall detection 157 protected static final int DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60 * 6; 158 // Default for the data stall alarm for aggressive stall detection 159 protected static final int DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60; 160 // If attempt is less than this value we're doing first level recovery 161 protected static final int DATA_STALL_NO_RECV_POLL_LIMIT = 1; 162 // Tag for tracking stale alarms 163 protected static final String DATA_STALL_ALARM_TAG_EXTRA = "data.stall.alram.tag"; 164 165 protected static final boolean DATA_STALL_SUSPECTED = true; 166 protected static final boolean DATA_STALL_NOT_SUSPECTED = false; 167 168 protected String RADIO_RESET_PROPERTY = "gsm.radioreset"; 169 170 protected static final String INTENT_RECONNECT_ALARM = 171 "com.android.internal.telephony.data-reconnect"; 172 protected static final String INTENT_RECONNECT_ALARM_EXTRA_TYPE = "reconnect_alarm_extra_type"; 173 protected static final String INTENT_RECONNECT_ALARM_EXTRA_REASON = 174 "reconnect_alarm_extra_reason"; 175 176 protected static final String INTENT_RESTART_TRYSETUP_ALARM = 177 "com.android.internal.telephony.data-restart-trysetup"; 178 protected static final String INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE = 179 "restart_trysetup_alarm_extra_type"; 180 181 protected static final String INTENT_DATA_STALL_ALARM = 182 "com.android.internal.telephony.data-stall"; 183 184 185 186 protected static final String DEFALUT_DATA_ON_BOOT_PROP = "net.def_data_on_boot"; 187 188 protected DcTesterFailBringUpAll mDcTesterFailBringUpAll; 189 protected DcController mDcc; 190 191 // member variables 192 protected PhoneBase mPhone; 193 protected UiccController mUiccController; 194 protected AtomicReference<IccRecords> mIccRecords = new AtomicReference<IccRecords>(); 195 protected DctConstants.Activity mActivity = DctConstants.Activity.NONE; 196 protected DctConstants.State mState = DctConstants.State.IDLE; 197 protected Handler mDataConnectionTracker = null; 198 199 protected long mTxPkts; 200 protected long mRxPkts; 201 protected int mNetStatPollPeriod; 202 protected boolean mNetStatPollEnabled = false; 203 204 protected TxRxSum mDataStallTxRxSum = new TxRxSum(0, 0); 205 // Used to track stale data stall alarms. 206 protected int mDataStallAlarmTag = (int) SystemClock.elapsedRealtime(); 207 // The current data stall alarm intent 208 protected PendingIntent mDataStallAlarmIntent = null; 209 // Number of packets sent since the last received packet 210 protected long mSentSinceLastRecv; 211 // Controls when a simple recovery attempt it to be tried 212 protected int mNoRecvPollCount = 0; 213 // Refrence counter for enabling fail fast 214 protected static int sEnableFailFastRefCounter = 0; 215 // True if data stall detection is enabled 216 protected volatile boolean mDataStallDetectionEnabled = true; 217 218 protected volatile boolean mFailFast = false; 219 220 // True when in voice call 221 protected boolean mInVoiceCall = false; 222 223 // wifi connection status will be updated by sticky intent 224 protected boolean mIsWifiConnected = false; 225 226 /** Intent sent when the reconnect alarm fires. */ 227 protected PendingIntent mReconnectIntent = null; 228 229 /** CID of active data connection */ 230 protected int mCidActive; 231 232 // When false we will not auto attach and manually attaching is required. 233 protected boolean mAutoAttachOnCreation = false; 234 235 // State of screen 236 // (TODO: Reconsider tying directly to screen, maybe this is 237 // really a lower power mode") 238 protected boolean mIsScreenOn = true; 239 240 /** Allows the generation of unique Id's for DataConnection objects */ 241 protected AtomicInteger mUniqueIdGenerator = new AtomicInteger(0); 242 243 /** The data connections. */ 244 protected HashMap<Integer, DataConnection> mDataConnections = 245 new HashMap<Integer, DataConnection>(); 246 247 /** The data connection async channels */ 248 protected HashMap<Integer, DcAsyncChannel> mDataConnectionAcHashMap = 249 new HashMap<Integer, DcAsyncChannel>(); 250 251 /** Convert an ApnType string to Id (TODO: Use "enumeration" instead of String for ApnType) */ 252 protected HashMap<String, Integer> mApnToDataConnectionId = 253 new HashMap<String, Integer>(); 254 255 /** Phone.APN_TYPE_* ===> ApnContext */ 256 protected final ConcurrentHashMap<String, ApnContext> mApnContexts = 257 new ConcurrentHashMap<String, ApnContext>(); 258 259 /** kept in sync with mApnContexts 260 * Higher numbers are higher priority and sorted so highest priority is first */ 261 protected final PriorityQueue<ApnContext>mPrioritySortedApnContexts = 262 new PriorityQueue<ApnContext>(5, 263 new Comparator<ApnContext>() { 264 public int compare(ApnContext c1, ApnContext c2) { 265 return c2.priority - c1.priority; 266 } 267 } ); 268 269 /* Currently active APN */ 270 protected ApnSetting mActiveApn; 271 272 /** allApns holds all apns */ 273 protected ArrayList<ApnSetting> mAllApnSettings = null; 274 275 /** preferred apn */ 276 protected ApnSetting mPreferredApn = null; 277 278 /** Is packet service restricted by network */ 279 protected boolean mIsPsRestricted = false; 280 281 /* Once disposed dont handle any messages */ 282 protected boolean mIsDisposed = false; 283 284 protected ContentResolver mResolver; 285 286 /* Set to true with CMD_ENABLE_MOBILE_PROVISIONING */ 287 protected boolean mIsProvisioning = false; 288 289 /* The Url passed as object parameter in CMD_ENABLE_MOBILE_PROVISIONING */ 290 protected String mProvisioningUrl = null; 291 292 /* Intent for the provisioning apn alarm */ 293 protected static final String INTENT_PROVISIONING_APN_ALARM = 294 "com.android.internal.telephony.provisioning_apn_alarm"; 295 296 /* Tag for tracking stale alarms */ 297 protected static final String PROVISIONING_APN_ALARM_TAG_EXTRA = "provisioning.apn.alarm.tag"; 298 299 /* Debug property for overriding the PROVISIONING_APN_ALARM_DELAY_IN_MS */ 300 protected static final String DEBUG_PROV_APN_ALARM = 301 "persist.debug.prov_apn_alarm"; 302 303 /* Default for the provisioning apn alarm timeout */ 304 protected static final int PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT = 1000 * 60 * 15; 305 306 /* The provision apn alarm intent used to disable the provisioning apn */ 307 protected PendingIntent mProvisioningApnAlarmIntent = null; 308 309 /* Used to track stale provisioning apn alarms */ 310 protected int mProvisioningApnAlarmTag = (int) SystemClock.elapsedRealtime(); 311 312 protected AsyncChannel mReplyAc = new AsyncChannel(); 313 314 protected BroadcastReceiver mIntentReceiver = new BroadcastReceiver () 315 { 316 @Override 317 public void onReceive(Context context, Intent intent) 318 { 319 String action = intent.getAction(); 320 if (DBG) log("onReceive: action=" + action); 321 if (action.equals(Intent.ACTION_SCREEN_ON)) { 322 mIsScreenOn = true; 323 stopNetStatPoll(); 324 startNetStatPoll(); 325 restartDataStallAlarm(); 326 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 327 mIsScreenOn = false; 328 stopNetStatPoll(); 329 startNetStatPoll(); 330 restartDataStallAlarm(); 331 } else if (action.startsWith(INTENT_RECONNECT_ALARM)) { 332 if (DBG) log("Reconnect alarm. Previous state was " + mState); 333 onActionIntentReconnectAlarm(intent); 334 } else if (action.startsWith(INTENT_RESTART_TRYSETUP_ALARM)) { 335 if (DBG) log("Restart trySetup alarm"); 336 onActionIntentRestartTrySetupAlarm(intent); 337 } else if (action.equals(INTENT_DATA_STALL_ALARM)) { 338 onActionIntentDataStallAlarm(intent); 339 } else if (action.equals(INTENT_PROVISIONING_APN_ALARM)) { 340 onActionIntentProvisioningApnAlarm(intent); 341 } else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { 342 final android.net.NetworkInfo networkInfo = (NetworkInfo) 343 intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); 344 mIsWifiConnected = (networkInfo != null && networkInfo.isConnected()); 345 if (DBG) log("NETWORK_STATE_CHANGED_ACTION: mIsWifiConnected=" + mIsWifiConnected); 346 } else if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { 347 final boolean enabled = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 348 WifiManager.WIFI_STATE_UNKNOWN) == WifiManager.WIFI_STATE_ENABLED; 349 350 if (!enabled) { 351 // when WiFi got disabled, the NETWORK_STATE_CHANGED_ACTION 352 // quit and won't report disconnected until next enabling. 353 mIsWifiConnected = false; 354 } 355 if (DBG) log("WIFI_STATE_CHANGED_ACTION: enabled=" + enabled 356 + " mIsWifiConnected=" + mIsWifiConnected); 357 } 358 } 359 }; 360 361 private Runnable mPollNetStat = new Runnable() 362 { 363 @Override 364 public void run() { 365 updateDataActivity(); 366 367 if (mIsScreenOn) { 368 mNetStatPollPeriod = Settings.Global.getInt(mResolver, 369 Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS, POLL_NETSTAT_MILLIS); 370 } else { 371 mNetStatPollPeriod = Settings.Global.getInt(mResolver, 372 Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS, 373 POLL_NETSTAT_SCREEN_OFF_MILLIS); 374 } 375 376 if (mNetStatPollEnabled) { 377 mDataConnectionTracker.postDelayed(this, mNetStatPollPeriod); 378 } 379 } 380 }; 381 382 private class DataRoamingSettingObserver extends ContentObserver { 383 384 public DataRoamingSettingObserver(Handler handler, Context context) { 385 super(handler); 386 mResolver = context.getContentResolver(); 387 } 388 389 public void register() { 390 mResolver.registerContentObserver( 391 Settings.Global.getUriFor(Settings.Global.DATA_ROAMING), false, this); 392 } 393 394 public void unregister() { 395 mResolver.unregisterContentObserver(this); 396 } 397 398 @Override 399 public void onChange(boolean selfChange) { 400 // already running on mPhone handler thread 401 if (mPhone.getServiceState().getRoaming()) { 402 sendMessage(obtainMessage(DctConstants.EVENT_ROAMING_ON)); 403 } 404 } 405 } 406 private final DataRoamingSettingObserver mDataRoamingSettingObserver; 407 408 /** 409 * The Initial MaxRetry sent to a DataConnection as a parameter 410 * to DataConnectionAc.bringUp. This value can be defined at compile 411 * time using the SystemProperty Settings.Global.DCT_INITIAL_MAX_RETRY 412 * and at runtime using gservices to change Settings.Global.DCT_INITIAL_MAX_RETRY. 413 */ 414 private static final int DEFAULT_MDC_INITIAL_RETRY = 1; 415 protected int getInitialMaxRetry() { 416 if (mFailFast) { 417 return 0; 418 } 419 // Get default value from system property or use DEFAULT_MDC_INITIAL_RETRY 420 int value = SystemProperties.getInt( 421 Settings.Global.MDC_INITIAL_MAX_RETRY, DEFAULT_MDC_INITIAL_RETRY); 422 423 // Check if its been overridden 424 return Settings.Global.getInt(mResolver, 425 Settings.Global.MDC_INITIAL_MAX_RETRY, value); 426 } 427 428 /** 429 * Maintain the sum of transmit and receive packets. 430 * 431 * The packet counts are initialized and reset to -1 and 432 * remain -1 until they can be updated. 433 */ 434 public class TxRxSum { 435 public long txPkts; 436 public long rxPkts; 437 438 public TxRxSum() { 439 reset(); 440 } 441 442 public TxRxSum(long txPkts, long rxPkts) { 443 this.txPkts = txPkts; 444 this.rxPkts = rxPkts; 445 } 446 447 public TxRxSum(TxRxSum sum) { 448 txPkts = sum.txPkts; 449 rxPkts = sum.rxPkts; 450 } 451 452 public void reset() { 453 txPkts = -1; 454 rxPkts = -1; 455 } 456 457 @Override 458 public String toString() { 459 return "{txSum=" + txPkts + " rxSum=" + rxPkts + "}"; 460 } 461 462 public void updateTxRxSum() { 463 this.txPkts = TrafficStats.getMobileTcpTxPackets(); 464 this.rxPkts = TrafficStats.getMobileTcpRxPackets(); 465 } 466 } 467 468 protected void onActionIntentReconnectAlarm(Intent intent) { 469 String reason = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_REASON); 470 String apnType = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_TYPE); 471 472 ApnContext apnContext = mApnContexts.get(apnType); 473 474 if (DBG) { 475 log("onActionIntentReconnectAlarm: mState=" + mState + " reason=" + reason + 476 " apnType=" + apnType + " apnContext=" + apnContext + 477 " mDataConnectionAsyncChannels=" + mDataConnectionAcHashMap); 478 } 479 480 if ((apnContext != null) && (apnContext.isEnabled())) { 481 apnContext.setReason(reason); 482 DctConstants.State apnContextState = apnContext.getState(); 483 if (DBG) { 484 log("onActionIntentReconnectAlarm: apnContext state=" + apnContextState); 485 } 486 if ((apnContextState == DctConstants.State.FAILED) 487 || (apnContextState == DctConstants.State.IDLE)) { 488 if (DBG) { 489 log("onActionIntentReconnectAlarm: state is FAILED|IDLE, disassociate"); 490 } 491 DcAsyncChannel dcac = apnContext.getDcAc(); 492 if (dcac != null) { 493 dcac.tearDown(apnContext, "", null); 494 } 495 apnContext.setDataConnectionAc(null); 496 apnContext.setState(DctConstants.State.IDLE); 497 } else { 498 if (DBG) log("onActionIntentReconnectAlarm: keep associated"); 499 } 500 // TODO: IF already associated should we send the EVENT_TRY_SETUP_DATA??? 501 sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); 502 503 apnContext.setReconnectIntent(null); 504 } 505 } 506 507 protected void onActionIntentRestartTrySetupAlarm(Intent intent) { 508 String apnType = intent.getStringExtra(INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE); 509 ApnContext apnContext = mApnContexts.get(apnType); 510 if (DBG) { 511 log("onActionIntentRestartTrySetupAlarm: mState=" + mState + 512 " apnType=" + apnType + " apnContext=" + apnContext + 513 " mDataConnectionAsyncChannels=" + mDataConnectionAcHashMap); 514 } 515 sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); 516 } 517 518 protected void onActionIntentDataStallAlarm(Intent intent) { 519 if (VDBG_STALL) log("onActionIntentDataStallAlarm: action=" + intent.getAction()); 520 Message msg = obtainMessage(DctConstants.EVENT_DATA_STALL_ALARM, 521 intent.getAction()); 522 msg.arg1 = intent.getIntExtra(DATA_STALL_ALARM_TAG_EXTRA, 0); 523 sendMessage(msg); 524 } 525 526 ConnectivityManager mCm; 527 528 /** 529 * Default constructor 530 */ 531 protected DcTrackerBase(PhoneBase phone) { 532 super(); 533 if (DBG) log("DCT.constructor"); 534 mPhone = phone; 535 mResolver = mPhone.getContext().getContentResolver(); 536 mUiccController = UiccController.getInstance(); 537 mUiccController.registerForIccChanged(this, DctConstants.EVENT_ICC_CHANGED, null); 538 mAlarmManager = 539 (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE); 540 mCm = (ConnectivityManager) mPhone.getContext().getSystemService( 541 Context.CONNECTIVITY_SERVICE); 542 543 544 IntentFilter filter = new IntentFilter(); 545 filter.addAction(Intent.ACTION_SCREEN_ON); 546 filter.addAction(Intent.ACTION_SCREEN_OFF); 547 filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); 548 filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); 549 filter.addAction(INTENT_DATA_STALL_ALARM); 550 filter.addAction(INTENT_PROVISIONING_APN_ALARM); 551 552 mUserDataEnabled = Settings.Global.getInt( 553 mPhone.getContext().getContentResolver(), Settings.Global.MOBILE_DATA, 1) == 1; 554 555 mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mPhone); 556 557 // This preference tells us 1) initial condition for "dataEnabled", 558 // and 2) whether the RIL will setup the baseband to auto-PS attach. 559 560 mDataEnabled[DctConstants.APN_DEFAULT_ID] = 561 SystemProperties.getBoolean(DEFALUT_DATA_ON_BOOT_PROP,true); 562 if (mDataEnabled[DctConstants.APN_DEFAULT_ID]) { 563 mEnabledCount++; 564 } 565 566 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 567 mAutoAttachOnCreation = sp.getBoolean(PhoneBase.DATA_DISABLED_ON_BOOT_KEY, false); 568 569 // Watch for changes to Settings.Global.DATA_ROAMING 570 mDataRoamingSettingObserver = new DataRoamingSettingObserver(mPhone, mPhone.getContext()); 571 mDataRoamingSettingObserver.register(); 572 573 HandlerThread dcHandlerThread = new HandlerThread("DcHandlerThread"); 574 dcHandlerThread.start(); 575 Handler dcHandler = new Handler(dcHandlerThread.getLooper()); 576 mDcc = DcController.makeDcc(mPhone, this, dcHandler); 577 mDcTesterFailBringUpAll = new DcTesterFailBringUpAll(mPhone, dcHandler); 578 } 579 580 public void dispose() { 581 if (DBG) log("DCT.dispose"); 582 for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { 583 dcac.disconnect(); 584 } 585 mDataConnectionAcHashMap.clear(); 586 mIsDisposed = true; 587 mPhone.getContext().unregisterReceiver(mIntentReceiver); 588 mUiccController.unregisterForIccChanged(this); 589 mDataRoamingSettingObserver.unregister(); 590 mDcc.dispose(); 591 mDcTesterFailBringUpAll.dispose(); 592 } 593 594 public DctConstants.Activity getActivity() { 595 return mActivity; 596 } 597 598 public boolean isApnTypeActive(String type) { 599 // TODO: support simultaneous with List instead 600 if (PhoneConstants.APN_TYPE_DUN.equals(type)) { 601 ApnSetting dunApn = fetchDunApn(); 602 if (dunApn != null) { 603 return ((mActiveApn != null) && (dunApn.toString().equals(mActiveApn.toString()))); 604 } 605 } 606 return mActiveApn != null && mActiveApn.canHandleType(type); 607 } 608 609 protected ApnSetting fetchDunApn() { 610 if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) { 611 log("fetchDunApn: net.tethering.noprovisioning=true ret: null"); 612 return null; 613 } 614 Context c = mPhone.getContext(); 615 String apnData = Settings.Global.getString(c.getContentResolver(), 616 Settings.Global.TETHER_DUN_APN); 617 ApnSetting dunSetting = ApnSetting.fromString(apnData); 618 if (dunSetting != null) { 619 IccRecords r = mIccRecords.get(); 620 String operator = (r != null) ? r.getOperatorNumeric() : ""; 621 if (dunSetting.numeric.equals(operator)) { 622 if (VDBG) log("fetchDunApn: global TETHER_DUN_APN dunSetting=" + dunSetting); 623 return dunSetting; 624 } 625 } 626 627 apnData = c.getResources().getString(R.string.config_tether_apndata); 628 dunSetting = ApnSetting.fromString(apnData); 629 if (VDBG) log("fetchDunApn: config_tether_apndata dunSetting=" + dunSetting); 630 return dunSetting; 631 } 632 633 public String[] getActiveApnTypes() { 634 String[] result; 635 if (mActiveApn != null) { 636 result = mActiveApn.types; 637 } else { 638 result = new String[1]; 639 result[0] = PhoneConstants.APN_TYPE_DEFAULT; 640 } 641 return result; 642 } 643 644 /** TODO: See if we can remove */ 645 public String getActiveApnString(String apnType) { 646 String result = null; 647 if (mActiveApn != null) { 648 result = mActiveApn.apn; 649 } 650 return result; 651 } 652 653 /** 654 * Modify {@link android.provider.Settings.Global#DATA_ROAMING} value. 655 */ 656 public void setDataOnRoamingEnabled(boolean enabled) { 657 if (getDataOnRoamingEnabled() != enabled) { 658 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 659 Settings.Global.putInt(resolver, Settings.Global.DATA_ROAMING, enabled ? 1 : 0); 660 // will trigger handleDataOnRoamingChange() through observer 661 } 662 } 663 664 /** 665 * Return current {@link android.provider.Settings.Global#DATA_ROAMING} value. 666 */ 667 public boolean getDataOnRoamingEnabled() { 668 try { 669 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 670 return Settings.Global.getInt(resolver, Settings.Global.DATA_ROAMING) != 0; 671 } catch (SettingNotFoundException snfe) { 672 return false; 673 } 674 } 675 676 // abstract methods 677 protected abstract void restartRadio(); 678 protected abstract void log(String s); 679 protected abstract void loge(String s); 680 protected abstract boolean isDataAllowed(); 681 protected abstract boolean isApnTypeAvailable(String type); 682 public abstract DctConstants.State getState(String apnType); 683 protected abstract boolean isProvisioningApn(String apnType); 684 protected abstract void setState(DctConstants.State s); 685 protected abstract void gotoIdleAndNotifyDataConnection(String reason); 686 687 protected abstract boolean onTrySetupData(String reason); 688 protected abstract void onRoamingOff(); 689 protected abstract void onRoamingOn(); 690 protected abstract void onRadioAvailable(); 691 protected abstract void onRadioOffOrNotAvailable(); 692 protected abstract void onDataSetupComplete(AsyncResult ar); 693 protected abstract void onDataSetupCompleteError(AsyncResult ar); 694 protected abstract void onDisconnectDone(int connId, AsyncResult ar); 695 protected abstract void onDisconnectDcRetrying(int connId, AsyncResult ar); 696 protected abstract void onVoiceCallStarted(); 697 protected abstract void onVoiceCallEnded(); 698 protected abstract void onCleanUpConnection(boolean tearDown, int apnId, String reason); 699 protected abstract void onCleanUpAllConnections(String cause); 700 public abstract boolean isDataPossible(String apnType); 701 protected abstract void onUpdateIcc(); 702 protected abstract void completeConnection(ApnContext apnContext); 703 704 @Override 705 public void handleMessage(Message msg) { 706 switch (msg.what) { 707 case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { 708 log("DISCONNECTED_CONNECTED: msg=" + msg); 709 DcAsyncChannel dcac = (DcAsyncChannel) msg.obj; 710 mDataConnectionAcHashMap.remove(dcac.getDataConnectionIdSync()); 711 dcac.disconnected(); 712 break; 713 } 714 case DctConstants.EVENT_ENABLE_NEW_APN: 715 onEnableApn(msg.arg1, msg.arg2); 716 break; 717 718 case DctConstants.EVENT_TRY_SETUP_DATA: 719 String reason = null; 720 if (msg.obj instanceof String) { 721 reason = (String) msg.obj; 722 } 723 onTrySetupData(reason); 724 break; 725 726 case DctConstants.EVENT_DATA_STALL_ALARM: 727 onDataStallAlarm(msg.arg1); 728 break; 729 730 case DctConstants.EVENT_ROAMING_OFF: 731 onRoamingOff(); 732 break; 733 734 case DctConstants.EVENT_ROAMING_ON: 735 onRoamingOn(); 736 break; 737 738 case DctConstants.EVENT_RADIO_AVAILABLE: 739 onRadioAvailable(); 740 break; 741 742 case DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE: 743 onRadioOffOrNotAvailable(); 744 break; 745 746 case DctConstants.EVENT_DATA_SETUP_COMPLETE: 747 mCidActive = msg.arg1; 748 onDataSetupComplete((AsyncResult) msg.obj); 749 break; 750 751 case DctConstants.EVENT_DATA_SETUP_COMPLETE_ERROR: 752 onDataSetupCompleteError((AsyncResult) msg.obj); 753 break; 754 755 case DctConstants.EVENT_DISCONNECT_DONE: 756 log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DONE msg=" + msg); 757 onDisconnectDone(msg.arg1, (AsyncResult) msg.obj); 758 break; 759 760 case DctConstants.EVENT_DISCONNECT_DC_RETRYING: 761 log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DC_RETRYING msg=" + msg); 762 onDisconnectDcRetrying(msg.arg1, (AsyncResult) msg.obj); 763 break; 764 765 case DctConstants.EVENT_VOICE_CALL_STARTED: 766 onVoiceCallStarted(); 767 break; 768 769 case DctConstants.EVENT_VOICE_CALL_ENDED: 770 onVoiceCallEnded(); 771 break; 772 773 case DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS: { 774 onCleanUpAllConnections((String) msg.obj); 775 break; 776 } 777 case DctConstants.EVENT_CLEAN_UP_CONNECTION: { 778 boolean tearDown = (msg.arg1 == 0) ? false : true; 779 onCleanUpConnection(tearDown, msg.arg2, (String) msg.obj); 780 break; 781 } 782 case DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE: { 783 boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 784 onSetInternalDataEnabled(enabled); 785 break; 786 } 787 case DctConstants.EVENT_RESET_DONE: { 788 if (DBG) log("EVENT_RESET_DONE"); 789 onResetDone((AsyncResult) msg.obj); 790 break; 791 } 792 case DctConstants.CMD_SET_USER_DATA_ENABLE: { 793 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 794 if (DBG) log("CMD_SET_USER_DATA_ENABLE enabled=" + enabled); 795 onSetUserDataEnabled(enabled); 796 break; 797 } 798 case DctConstants.CMD_SET_DEPENDENCY_MET: { 799 boolean met = (msg.arg1 == DctConstants.ENABLED) ? true : false; 800 if (DBG) log("CMD_SET_DEPENDENCY_MET met=" + met); 801 Bundle bundle = msg.getData(); 802 if (bundle != null) { 803 String apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 804 if (apnType != null) { 805 onSetDependencyMet(apnType, met); 806 } 807 } 808 break; 809 } 810 case DctConstants.CMD_SET_POLICY_DATA_ENABLE: { 811 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 812 onSetPolicyDataEnabled(enabled); 813 break; 814 } 815 case DctConstants.CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: { 816 sEnableFailFastRefCounter += (msg.arg1 == DctConstants.ENABLED) ? 1 : -1; 817 if (DBG) { 818 log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " 819 + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); 820 } 821 if (sEnableFailFastRefCounter < 0) { 822 final String s = "CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " 823 + "sEnableFailFastRefCounter:" + sEnableFailFastRefCounter + " < 0"; 824 loge(s); 825 sEnableFailFastRefCounter = 0; 826 } 827 final boolean enabled = sEnableFailFastRefCounter > 0; 828 if (DBG) { 829 log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: enabled=" + enabled 830 + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); 831 } 832 if (mFailFast != enabled) { 833 mFailFast = enabled; 834 mDataStallDetectionEnabled = !enabled; 835 if (mDataStallDetectionEnabled 836 && (getOverallState() == DctConstants.State.CONNECTED) 837 && (!mInVoiceCall || 838 mPhone.getServiceStateTracker() 839 .isConcurrentVoiceAndDataAllowed())) { 840 if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: start data stall"); 841 stopDataStallAlarm(); 842 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 843 } else { 844 if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: stop data stall"); 845 stopDataStallAlarm(); 846 } 847 } 848 849 break; 850 } 851 case DctConstants.CMD_ENABLE_MOBILE_PROVISIONING: { 852 Bundle bundle = msg.getData(); 853 if (bundle != null) { 854 try { 855 mProvisioningUrl = (String)bundle.get(DctConstants.PROVISIONING_URL_KEY); 856 } catch(ClassCastException e) { 857 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url not a string" + e); 858 mProvisioningUrl = null; 859 } 860 } 861 if (TextUtils.isEmpty(mProvisioningUrl)) { 862 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url is empty, ignoring"); 863 mIsProvisioning = false; 864 mProvisioningUrl = null; 865 } else { 866 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioningUrl=" + mProvisioningUrl); 867 mIsProvisioning = true; 868 startProvisioningApnAlarm(); 869 } 870 break; 871 } 872 case DctConstants.EVENT_PROVISIONING_APN_ALARM: { 873 if (DBG) log("EVENT_PROVISIONING_APN_ALARM"); 874 ApnContext apnCtx = mApnContexts.get("default"); 875 if (apnCtx.isProvisioningApn() && apnCtx.isConnectedOrConnecting()) { 876 if (mProvisioningApnAlarmTag == msg.arg1) { 877 if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Disconnecting"); 878 mIsProvisioning = false; 879 mProvisioningUrl = null; 880 stopProvisioningApnAlarm(); 881 sendCleanUpConnection(true, apnCtx); 882 } else { 883 if (DBG) { 884 log("EVENT_PROVISIONING_APN_ALARM: ignore stale tag," 885 + " mProvisioningApnAlarmTag:" + mProvisioningApnAlarmTag 886 + " != arg1:" + msg.arg1); 887 } 888 } 889 } else { 890 if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Not connected ignore"); 891 } 892 break; 893 } 894 case DctConstants.CMD_IS_PROVISIONING_APN: { 895 if (DBG) log("CMD_IS_PROVISIONING_APN"); 896 boolean isProvApn; 897 try { 898 String apnType = null; 899 Bundle bundle = msg.getData(); 900 if (bundle != null) { 901 apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 902 } 903 if (TextUtils.isEmpty(apnType)) { 904 loge("CMD_IS_PROVISIONING_APN: apnType is empty"); 905 isProvApn = false; 906 } else { 907 isProvApn = isProvisioningApn(apnType); 908 } 909 } catch (ClassCastException e) { 910 loge("CMD_IS_PROVISIONING_APN: NO provisioning url ignoring"); 911 isProvApn = false; 912 } 913 if (DBG) log("CMD_IS_PROVISIONING_APN: ret=" + isProvApn); 914 mReplyAc.replyToMessage(msg, DctConstants.CMD_IS_PROVISIONING_APN, 915 isProvApn ? DctConstants.ENABLED : DctConstants.DISABLED); 916 break; 917 } 918 case DctConstants.EVENT_ICC_CHANGED: { 919 onUpdateIcc(); 920 break; 921 } 922 case DctConstants.EVENT_RESTART_RADIO: { 923 restartRadio(); 924 break; 925 } 926 default: 927 Rlog.e("DATA", "Unidentified event msg=" + msg); 928 break; 929 } 930 } 931 932 /** 933 * Report on whether data connectivity is enabled 934 * 935 * @return {@code false} if data connectivity has been explicitly disabled, 936 * {@code true} otherwise. 937 */ 938 public boolean getAnyDataEnabled() { 939 final boolean result; 940 synchronized (mDataEnabledLock) { 941 result = (mInternalDataEnabled && mUserDataEnabled && sPolicyDataEnabled 942 && (mEnabledCount != 0)); 943 } 944 if (!result && DBG) log("getAnyDataEnabled " + result); 945 return result; 946 } 947 948 protected boolean isEmergency() { 949 final boolean result; 950 synchronized (mDataEnabledLock) { 951 result = mPhone.isInEcm() || mPhone.isInEmergencyCall(); 952 } 953 log("isEmergency: result=" + result); 954 return result; 955 } 956 957 protected int apnTypeToId(String type) { 958 if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DEFAULT)) { 959 return DctConstants.APN_DEFAULT_ID; 960 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_MMS)) { 961 return DctConstants.APN_MMS_ID; 962 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_SUPL)) { 963 return DctConstants.APN_SUPL_ID; 964 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DUN)) { 965 return DctConstants.APN_DUN_ID; 966 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_HIPRI)) { 967 return DctConstants.APN_HIPRI_ID; 968 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IMS)) { 969 return DctConstants.APN_IMS_ID; 970 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_FOTA)) { 971 return DctConstants.APN_FOTA_ID; 972 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_CBS)) { 973 return DctConstants.APN_CBS_ID; 974 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IA)) { 975 return DctConstants.APN_IA_ID; 976 } else { 977 return DctConstants.APN_INVALID_ID; 978 } 979 } 980 981 protected String apnIdToType(int id) { 982 switch (id) { 983 case DctConstants.APN_DEFAULT_ID: 984 return PhoneConstants.APN_TYPE_DEFAULT; 985 case DctConstants.APN_MMS_ID: 986 return PhoneConstants.APN_TYPE_MMS; 987 case DctConstants.APN_SUPL_ID: 988 return PhoneConstants.APN_TYPE_SUPL; 989 case DctConstants.APN_DUN_ID: 990 return PhoneConstants.APN_TYPE_DUN; 991 case DctConstants.APN_HIPRI_ID: 992 return PhoneConstants.APN_TYPE_HIPRI; 993 case DctConstants.APN_IMS_ID: 994 return PhoneConstants.APN_TYPE_IMS; 995 case DctConstants.APN_FOTA_ID: 996 return PhoneConstants.APN_TYPE_FOTA; 997 case DctConstants.APN_CBS_ID: 998 return PhoneConstants.APN_TYPE_CBS; 999 case DctConstants.APN_IA_ID: 1000 return PhoneConstants.APN_TYPE_IA; 1001 default: 1002 log("Unknown id (" + id + ") in apnIdToType"); 1003 return PhoneConstants.APN_TYPE_DEFAULT; 1004 } 1005 } 1006 1007 public LinkProperties getLinkProperties(String apnType) { 1008 int id = apnTypeToId(apnType); 1009 1010 if (isApnIdEnabled(id)) { 1011 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 1012 return dcac.getLinkPropertiesSync(); 1013 } else { 1014 return new LinkProperties(); 1015 } 1016 } 1017 1018 public LinkCapabilities getLinkCapabilities(String apnType) { 1019 int id = apnTypeToId(apnType); 1020 if (isApnIdEnabled(id)) { 1021 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 1022 return dcac.getLinkCapabilitiesSync(); 1023 } else { 1024 return new LinkCapabilities(); 1025 } 1026 } 1027 1028 // tell all active apns of the current condition 1029 protected void notifyDataConnection(String reason) { 1030 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 1031 if (mDataEnabled[id]) { 1032 mPhone.notifyDataConnection(reason, apnIdToType(id)); 1033 } 1034 } 1035 notifyOffApnsOfAvailability(reason); 1036 } 1037 1038 // a new APN has gone active and needs to send events to catch up with the 1039 // current condition 1040 private void notifyApnIdUpToCurrent(String reason, int apnId) { 1041 switch (mState) { 1042 case IDLE: 1043 break; 1044 case RETRYING: 1045 case CONNECTING: 1046 case SCANNING: 1047 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1048 PhoneConstants.DataState.CONNECTING); 1049 break; 1050 case CONNECTED: 1051 case DISCONNECTING: 1052 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1053 PhoneConstants.DataState.CONNECTING); 1054 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1055 PhoneConstants.DataState.CONNECTED); 1056 break; 1057 default: 1058 // Ignore 1059 break; 1060 } 1061 } 1062 1063 // since we normally don't send info to a disconnected APN, we need to do this specially 1064 private void notifyApnIdDisconnected(String reason, int apnId) { 1065 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1066 PhoneConstants.DataState.DISCONNECTED); 1067 } 1068 1069 // disabled apn's still need avail/unavail notificiations - send them out 1070 protected void notifyOffApnsOfAvailability(String reason) { 1071 if (DBG) log("notifyOffApnsOfAvailability - reason= " + reason); 1072 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 1073 if (!isApnIdEnabled(id)) { 1074 notifyApnIdDisconnected(reason, id); 1075 } 1076 } 1077 } 1078 1079 public boolean isApnTypeEnabled(String apnType) { 1080 if (apnType == null) { 1081 return false; 1082 } else { 1083 return isApnIdEnabled(apnTypeToId(apnType)); 1084 } 1085 } 1086 1087 protected synchronized boolean isApnIdEnabled(int id) { 1088 if (id != DctConstants.APN_INVALID_ID) { 1089 return mDataEnabled[id]; 1090 } 1091 return false; 1092 } 1093 1094 /** 1095 * Ensure that we are connected to an APN of the specified type. 1096 * 1097 * @param type the APN type (currently the only valid values are 1098 * {@link PhoneConstants#APN_TYPE_MMS} and {@link PhoneConstants#APN_TYPE_SUPL}) 1099 * @return Success is indicated by {@code Phone.APN_ALREADY_ACTIVE} or 1100 * {@code Phone.APN_REQUEST_STARTED}. In the latter case, a 1101 * broadcast will be sent by the ConnectivityManager when a 1102 * connection to the APN has been established. 1103 */ 1104 public synchronized int enableApnType(String type) { 1105 int id = apnTypeToId(type); 1106 if (id == DctConstants.APN_INVALID_ID) { 1107 return PhoneConstants.APN_REQUEST_FAILED; 1108 } 1109 1110 if (DBG) { 1111 log("enableApnType(" + type + "), isApnTypeActive = " + isApnTypeActive(type) 1112 + ", isApnIdEnabled =" + isApnIdEnabled(id) + " and state = " + mState); 1113 } 1114 1115 if (!isApnTypeAvailable(type)) { 1116 if (DBG) log("enableApnType: not available, type=" + type); 1117 return PhoneConstants.APN_TYPE_NOT_AVAILABLE; 1118 } 1119 1120 if (isApnIdEnabled(id)) { 1121 if (DBG) log("enableApnType: already active, type=" + type); 1122 return PhoneConstants.APN_ALREADY_ACTIVE; 1123 } else { 1124 setEnabled(id, true); 1125 } 1126 return PhoneConstants.APN_REQUEST_STARTED; 1127 } 1128 1129 /** 1130 * The APN of the specified type is no longer needed. Ensure that if use of 1131 * the default APN has not been explicitly disabled, we are connected to the 1132 * default APN. 1133 * 1134 * @param type the APN type. The only valid values are currently 1135 * {@link PhoneConstants#APN_TYPE_MMS} and {@link PhoneConstants#APN_TYPE_SUPL}. 1136 * @return Success is indicated by {@code PhoneConstants.APN_ALREADY_ACTIVE} or 1137 * {@code PhoneConstants.APN_REQUEST_STARTED}. In the latter case, a 1138 * broadcast will be sent by the ConnectivityManager when a 1139 * connection to the APN has been disconnected. A {@code 1140 * PhoneConstants.APN_REQUEST_FAILED} is returned if the type parameter is 1141 * invalid or if the apn wasn't enabled. 1142 */ 1143 public synchronized int disableApnType(String type) { 1144 if (DBG) log("disableApnType(" + type + ")"); 1145 int id = apnTypeToId(type); 1146 if (id == DctConstants.APN_INVALID_ID) { 1147 return PhoneConstants.APN_REQUEST_FAILED; 1148 } 1149 if (isApnIdEnabled(id)) { 1150 setEnabled(id, false); 1151 if (isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 1152 if (mDataEnabled[DctConstants.APN_DEFAULT_ID]) { 1153 return PhoneConstants.APN_ALREADY_ACTIVE; 1154 } else { 1155 return PhoneConstants.APN_REQUEST_STARTED; 1156 } 1157 } else { 1158 return PhoneConstants.APN_REQUEST_STARTED; 1159 } 1160 } else { 1161 return PhoneConstants.APN_REQUEST_FAILED; 1162 } 1163 } 1164 1165 protected void setEnabled(int id, boolean enable) { 1166 if (DBG) { 1167 log("setEnabled(" + id + ", " + enable + ") with old state = " + mDataEnabled[id] 1168 + " and enabledCount = " + mEnabledCount); 1169 } 1170 Message msg = obtainMessage(DctConstants.EVENT_ENABLE_NEW_APN); 1171 msg.arg1 = id; 1172 msg.arg2 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1173 sendMessage(msg); 1174 } 1175 1176 protected void onEnableApn(int apnId, int enabled) { 1177 if (DBG) { 1178 log("EVENT_APN_ENABLE_REQUEST apnId=" + apnId + ", apnType=" + apnIdToType(apnId) + 1179 ", enabled=" + enabled + ", dataEnabled = " + mDataEnabled[apnId] + 1180 ", enabledCount = " + mEnabledCount + ", isApnTypeActive = " + 1181 isApnTypeActive(apnIdToType(apnId))); 1182 } 1183 if (enabled == DctConstants.ENABLED) { 1184 synchronized (this) { 1185 if (!mDataEnabled[apnId]) { 1186 mDataEnabled[apnId] = true; 1187 mEnabledCount++; 1188 } 1189 } 1190 String type = apnIdToType(apnId); 1191 if (!isApnTypeActive(type)) { 1192 mRequestedApnType = type; 1193 onEnableNewApn(); 1194 } else { 1195 notifyApnIdUpToCurrent(Phone.REASON_APN_SWITCHED, apnId); 1196 } 1197 } else { 1198 // disable 1199 boolean didDisable = false; 1200 synchronized (this) { 1201 if (mDataEnabled[apnId]) { 1202 mDataEnabled[apnId] = false; 1203 mEnabledCount--; 1204 didDisable = true; 1205 } 1206 } 1207 if (didDisable) { 1208 if ((mEnabledCount == 0) || (apnId == DctConstants.APN_DUN_ID)) { 1209 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1210 onCleanUpConnection(true, apnId, Phone.REASON_DATA_DISABLED); 1211 } 1212 1213 // send the disconnect msg manually, since the normal route wont send 1214 // it (it's not enabled) 1215 notifyApnIdDisconnected(Phone.REASON_DATA_DISABLED, apnId); 1216 if (mDataEnabled[DctConstants.APN_DEFAULT_ID] == true 1217 && !isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 1218 // TODO - this is an ugly way to restore the default conn - should be done 1219 // by a real contention manager and policy that disconnects the lower pri 1220 // stuff as enable requests come in and pops them back on as we disable back 1221 // down to the lower pri stuff 1222 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1223 onEnableNewApn(); 1224 } 1225 } 1226 } 1227 } 1228 1229 /** 1230 * Called when we switch APNs. 1231 * 1232 * mRequestedApnType is set prior to call 1233 * To be overridden. 1234 */ 1235 protected void onEnableNewApn() { 1236 } 1237 1238 /** 1239 * Called when EVENT_RESET_DONE is received so goto 1240 * IDLE state and send notifications to those interested. 1241 * 1242 * TODO - currently unused. Needs to be hooked into DataConnection cleanup 1243 * TODO - needs to pass some notion of which connection is reset.. 1244 */ 1245 protected void onResetDone(AsyncResult ar) { 1246 if (DBG) log("EVENT_RESET_DONE"); 1247 String reason = null; 1248 if (ar.userObj instanceof String) { 1249 reason = (String) ar.userObj; 1250 } 1251 gotoIdleAndNotifyDataConnection(reason); 1252 } 1253 1254 /** 1255 * Prevent mobile data connections from being established, or once again 1256 * allow mobile data connections. If the state toggles, then either tear 1257 * down or set up data, as appropriate to match the new state. 1258 * 1259 * @param enable indicates whether to enable ({@code true}) or disable ( 1260 * {@code false}) data 1261 * @return {@code true} if the operation succeeded 1262 */ 1263 public boolean setInternalDataEnabled(boolean enable) { 1264 if (DBG) 1265 log("setInternalDataEnabled(" + enable + ")"); 1266 1267 Message msg = obtainMessage(DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE); 1268 msg.arg1 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1269 sendMessage(msg); 1270 return true; 1271 } 1272 1273 protected void onSetInternalDataEnabled(boolean enabled) { 1274 synchronized (mDataEnabledLock) { 1275 mInternalDataEnabled = enabled; 1276 if (enabled) { 1277 log("onSetInternalDataEnabled: changed to enabled, try to setup data call"); 1278 onTrySetupData(Phone.REASON_DATA_ENABLED); 1279 } else { 1280 log("onSetInternalDataEnabled: changed to disabled, cleanUpAllConnections"); 1281 cleanUpAllConnections(null); 1282 } 1283 } 1284 } 1285 1286 public void cleanUpAllConnections(String cause) { 1287 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS); 1288 msg.obj = cause; 1289 sendMessage(msg); 1290 } 1291 1292 public abstract boolean isDisconnected(); 1293 1294 protected void onSetUserDataEnabled(boolean enabled) { 1295 synchronized (mDataEnabledLock) { 1296 final boolean prevEnabled = getAnyDataEnabled(); 1297 if (mUserDataEnabled != enabled) { 1298 mUserDataEnabled = enabled; 1299 Settings.Global.putInt(mPhone.getContext().getContentResolver(), 1300 Settings.Global.MOBILE_DATA, enabled ? 1 : 0); 1301 if (getDataOnRoamingEnabled() == false && 1302 mPhone.getServiceState().getRoaming() == true) { 1303 if (enabled) { 1304 notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); 1305 } else { 1306 notifyOffApnsOfAvailability(Phone.REASON_DATA_DISABLED); 1307 } 1308 } 1309 if (prevEnabled != getAnyDataEnabled()) { 1310 if (!prevEnabled) { 1311 onTrySetupData(Phone.REASON_DATA_ENABLED); 1312 } else { 1313 onCleanUpAllConnections(Phone.REASON_DATA_DISABLED); 1314 } 1315 } 1316 } 1317 } 1318 } 1319 1320 protected void onSetDependencyMet(String apnType, boolean met) { 1321 } 1322 1323 protected void onSetPolicyDataEnabled(boolean enabled) { 1324 synchronized (mDataEnabledLock) { 1325 final boolean prevEnabled = getAnyDataEnabled(); 1326 if (sPolicyDataEnabled != enabled) { 1327 sPolicyDataEnabled = enabled; 1328 if (prevEnabled != getAnyDataEnabled()) { 1329 if (!prevEnabled) { 1330 onTrySetupData(Phone.REASON_DATA_ENABLED); 1331 } else { 1332 onCleanUpAllConnections(Phone.REASON_DATA_DISABLED); 1333 } 1334 } 1335 } 1336 } 1337 } 1338 1339 protected String getReryConfig(boolean forDefault) { 1340 int nt = mPhone.getServiceState().getNetworkType(); 1341 1342 if ((nt == TelephonyManager.NETWORK_TYPE_CDMA) || 1343 (nt == TelephonyManager.NETWORK_TYPE_1xRTT) || 1344 (nt == TelephonyManager.NETWORK_TYPE_EVDO_0) || 1345 (nt == TelephonyManager.NETWORK_TYPE_EVDO_A) || 1346 (nt == TelephonyManager.NETWORK_TYPE_EVDO_B) || 1347 (nt == TelephonyManager.NETWORK_TYPE_EHRPD)) { 1348 // CDMA variant 1349 return SystemProperties.get("ro.cdma.data_retry_config"); 1350 } else { 1351 // Use GSM varient for all others. 1352 if (forDefault) { 1353 return SystemProperties.get("ro.gsm.data_retry_config"); 1354 } else { 1355 return SystemProperties.get("ro.gsm.2nd_data_retry_config"); 1356 } 1357 } 1358 } 1359 1360 protected void resetPollStats() { 1361 mTxPkts = -1; 1362 mRxPkts = -1; 1363 mNetStatPollPeriod = POLL_NETSTAT_MILLIS; 1364 } 1365 1366 protected abstract DctConstants.State getOverallState(); 1367 1368 protected void startNetStatPoll() { 1369 if (getOverallState() == DctConstants.State.CONNECTED 1370 && mNetStatPollEnabled == false) { 1371 if (DBG) log("startNetStatPoll"); 1372 resetPollStats(); 1373 mNetStatPollEnabled = true; 1374 mPollNetStat.run(); 1375 } 1376 } 1377 1378 protected void stopNetStatPoll() { 1379 mNetStatPollEnabled = false; 1380 removeCallbacks(mPollNetStat); 1381 if (DBG) log("stopNetStatPoll"); 1382 } 1383 1384 public void updateDataActivity() { 1385 long sent, received; 1386 1387 DctConstants.Activity newActivity; 1388 1389 TxRxSum preTxRxSum = new TxRxSum(mTxPkts, mRxPkts); 1390 TxRxSum curTxRxSum = new TxRxSum(); 1391 curTxRxSum.updateTxRxSum(); 1392 mTxPkts = curTxRxSum.txPkts; 1393 mRxPkts = curTxRxSum.rxPkts; 1394 1395 if (VDBG) { 1396 log("updateDataActivity: curTxRxSum=" + curTxRxSum + " preTxRxSum=" + preTxRxSum); 1397 } 1398 1399 if (mNetStatPollEnabled && (preTxRxSum.txPkts > 0 || preTxRxSum.rxPkts > 0)) { 1400 sent = mTxPkts - preTxRxSum.txPkts; 1401 received = mRxPkts - preTxRxSum.rxPkts; 1402 1403 if (VDBG) 1404 log("updateDataActivity: sent=" + sent + " received=" + received); 1405 if (sent > 0 && received > 0) { 1406 newActivity = DctConstants.Activity.DATAINANDOUT; 1407 } else if (sent > 0 && received == 0) { 1408 newActivity = DctConstants.Activity.DATAOUT; 1409 } else if (sent == 0 && received > 0) { 1410 newActivity = DctConstants.Activity.DATAIN; 1411 } else { 1412 newActivity = (mActivity == DctConstants.Activity.DORMANT) ? 1413 mActivity : DctConstants.Activity.NONE; 1414 } 1415 1416 if (mActivity != newActivity && mIsScreenOn) { 1417 if (VDBG) 1418 log("updateDataActivity: newActivity=" + newActivity); 1419 mActivity = newActivity; 1420 mPhone.notifyDataActivity(); 1421 } 1422 } 1423 } 1424 1425 // Recovery action taken in case of data stall 1426 protected static class RecoveryAction { 1427 public static final int GET_DATA_CALL_LIST = 0; 1428 public static final int CLEANUP = 1; 1429 public static final int REREGISTER = 2; 1430 public static final int RADIO_RESTART = 3; 1431 public static final int RADIO_RESTART_WITH_PROP = 4; 1432 1433 private static boolean isAggressiveRecovery(int value) { 1434 return ((value == RecoveryAction.CLEANUP) || 1435 (value == RecoveryAction.REREGISTER) || 1436 (value == RecoveryAction.RADIO_RESTART) || 1437 (value == RecoveryAction.RADIO_RESTART_WITH_PROP)); 1438 } 1439 } 1440 1441 public int getRecoveryAction() { 1442 int action = Settings.System.getInt(mPhone.getContext().getContentResolver(), 1443 "radio.data.stall.recovery.action", RecoveryAction.GET_DATA_CALL_LIST); 1444 if (VDBG_STALL) log("getRecoveryAction: " + action); 1445 return action; 1446 } 1447 public void putRecoveryAction(int action) { 1448 Settings.System.putInt(mPhone.getContext().getContentResolver(), 1449 "radio.data.stall.recovery.action", action); 1450 if (VDBG_STALL) log("putRecoveryAction: " + action); 1451 } 1452 1453 protected boolean isConnected() { 1454 return false; 1455 } 1456 1457 protected void doRecovery() { 1458 if (getOverallState() == DctConstants.State.CONNECTED) { 1459 // Go through a series of recovery steps, each action transitions to the next action 1460 int recoveryAction = getRecoveryAction(); 1461 switch (recoveryAction) { 1462 case RecoveryAction.GET_DATA_CALL_LIST: 1463 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_GET_DATA_CALL_LIST, 1464 mSentSinceLastRecv); 1465 if (DBG) log("doRecovery() get data call list"); 1466 mPhone.mCi.getDataCallList(obtainMessage(DctConstants.EVENT_DATA_STATE_CHANGED)); 1467 putRecoveryAction(RecoveryAction.CLEANUP); 1468 break; 1469 case RecoveryAction.CLEANUP: 1470 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_CLEANUP, mSentSinceLastRecv); 1471 if (DBG) log("doRecovery() cleanup all connections"); 1472 cleanUpAllConnections(Phone.REASON_PDP_RESET); 1473 putRecoveryAction(RecoveryAction.REREGISTER); 1474 break; 1475 case RecoveryAction.REREGISTER: 1476 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_REREGISTER, 1477 mSentSinceLastRecv); 1478 if (DBG) log("doRecovery() re-register"); 1479 mPhone.getServiceStateTracker().reRegisterNetwork(null); 1480 putRecoveryAction(RecoveryAction.RADIO_RESTART); 1481 break; 1482 case RecoveryAction.RADIO_RESTART: 1483 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART, 1484 mSentSinceLastRecv); 1485 if (DBG) log("restarting radio"); 1486 putRecoveryAction(RecoveryAction.RADIO_RESTART_WITH_PROP); 1487 restartRadio(); 1488 break; 1489 case RecoveryAction.RADIO_RESTART_WITH_PROP: 1490 // This is in case radio restart has not recovered the data. 1491 // It will set an additional "gsm.radioreset" property to tell 1492 // RIL or system to take further action. 1493 // The implementation of hard reset recovery action is up to OEM product. 1494 // Once RADIO_RESET property is consumed, it is expected to set back 1495 // to false by RIL. 1496 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART_WITH_PROP, -1); 1497 if (DBG) log("restarting radio with gsm.radioreset to true"); 1498 SystemProperties.set(RADIO_RESET_PROPERTY, "true"); 1499 // give 1 sec so property change can be notified. 1500 try { 1501 Thread.sleep(1000); 1502 } catch (InterruptedException e) {} 1503 restartRadio(); 1504 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1505 break; 1506 default: 1507 throw new RuntimeException("doRecovery: Invalid recoveryAction=" + 1508 recoveryAction); 1509 } 1510 mSentSinceLastRecv = 0; 1511 } 1512 } 1513 1514 private void updateDataStallInfo() { 1515 long sent, received; 1516 1517 TxRxSum preTxRxSum = new TxRxSum(mDataStallTxRxSum); 1518 mDataStallTxRxSum.updateTxRxSum(); 1519 1520 if (VDBG_STALL) { 1521 log("updateDataStallInfo: mDataStallTxRxSum=" + mDataStallTxRxSum + 1522 " preTxRxSum=" + preTxRxSum); 1523 } 1524 1525 sent = mDataStallTxRxSum.txPkts - preTxRxSum.txPkts; 1526 received = mDataStallTxRxSum.rxPkts - preTxRxSum.rxPkts; 1527 1528 if (RADIO_TESTS) { 1529 if (SystemProperties.getBoolean("radio.test.data.stall", false)) { 1530 log("updateDataStallInfo: radio.test.data.stall true received = 0;"); 1531 received = 0; 1532 } 1533 } 1534 if ( sent > 0 && received > 0 ) { 1535 if (VDBG_STALL) log("updateDataStallInfo: IN/OUT"); 1536 mSentSinceLastRecv = 0; 1537 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1538 } else if (sent > 0 && received == 0) { 1539 if (mPhone.getState() == PhoneConstants.State.IDLE) { 1540 mSentSinceLastRecv += sent; 1541 } else { 1542 mSentSinceLastRecv = 0; 1543 } 1544 if (DBG) { 1545 log("updateDataStallInfo: OUT sent=" + sent + 1546 " mSentSinceLastRecv=" + mSentSinceLastRecv); 1547 } 1548 } else if (sent == 0 && received > 0) { 1549 if (VDBG_STALL) log("updateDataStallInfo: IN"); 1550 mSentSinceLastRecv = 0; 1551 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1552 } else { 1553 if (VDBG_STALL) log("updateDataStallInfo: NONE"); 1554 } 1555 } 1556 1557 protected void onDataStallAlarm(int tag) { 1558 if (mDataStallAlarmTag != tag) { 1559 if (DBG) { 1560 log("onDataStallAlarm: ignore, tag=" + tag + " expecting " + mDataStallAlarmTag); 1561 } 1562 return; 1563 } 1564 updateDataStallInfo(); 1565 1566 int hangWatchdogTrigger = Settings.Global.getInt(mResolver, 1567 Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT, 1568 NUMBER_SENT_PACKETS_OF_HANG); 1569 1570 boolean suspectedStall = DATA_STALL_NOT_SUSPECTED; 1571 if (mSentSinceLastRecv >= hangWatchdogTrigger) { 1572 if (DBG) { 1573 log("onDataStallAlarm: tag=" + tag + " do recovery action=" + getRecoveryAction()); 1574 } 1575 suspectedStall = DATA_STALL_SUSPECTED; 1576 sendMessage(obtainMessage(DctConstants.EVENT_DO_RECOVERY)); 1577 } else { 1578 if (VDBG_STALL) { 1579 log("onDataStallAlarm: tag=" + tag + " Sent " + String.valueOf(mSentSinceLastRecv) + 1580 " pkts since last received, < watchdogTrigger=" + hangWatchdogTrigger); 1581 } 1582 } 1583 startDataStallAlarm(suspectedStall); 1584 } 1585 1586 protected void startDataStallAlarm(boolean suspectedStall) { 1587 int nextAction = getRecoveryAction(); 1588 int delayInMs; 1589 1590 if (mDataStallDetectionEnabled && getOverallState() == DctConstants.State.CONNECTED) { 1591 // If screen is on or data stall is currently suspected, set the alarm 1592 // with an aggresive timeout. 1593 if (mIsScreenOn || suspectedStall || RecoveryAction.isAggressiveRecovery(nextAction)) { 1594 delayInMs = Settings.Global.getInt(mResolver, 1595 Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS, 1596 DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1597 } else { 1598 delayInMs = Settings.Global.getInt(mResolver, 1599 Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS, 1600 DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1601 } 1602 1603 mDataStallAlarmTag += 1; 1604 if (VDBG_STALL) { 1605 log("startDataStallAlarm: tag=" + mDataStallAlarmTag + 1606 " delay=" + (delayInMs / 1000) + "s"); 1607 } 1608 Intent intent = new Intent(INTENT_DATA_STALL_ALARM); 1609 intent.putExtra(DATA_STALL_ALARM_TAG_EXTRA, mDataStallAlarmTag); 1610 mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1611 PendingIntent.FLAG_UPDATE_CURRENT); 1612 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1613 SystemClock.elapsedRealtime() + delayInMs, mDataStallAlarmIntent); 1614 } else { 1615 if (VDBG_STALL) { 1616 log("startDataStallAlarm: NOT started, no connection tag=" + mDataStallAlarmTag); 1617 } 1618 } 1619 } 1620 1621 protected void stopDataStallAlarm() { 1622 if (VDBG_STALL) { 1623 log("stopDataStallAlarm: current tag=" + mDataStallAlarmTag + 1624 " mDataStallAlarmIntent=" + mDataStallAlarmIntent); 1625 } 1626 mDataStallAlarmTag += 1; 1627 if (mDataStallAlarmIntent != null) { 1628 mAlarmManager.cancel(mDataStallAlarmIntent); 1629 mDataStallAlarmIntent = null; 1630 } 1631 } 1632 1633 protected void restartDataStallAlarm() { 1634 if (isConnected() == false) return; 1635 // To be called on screen status change. 1636 // Do not cancel the alarm if it is set with aggressive timeout. 1637 int nextAction = getRecoveryAction(); 1638 1639 if (RecoveryAction.isAggressiveRecovery(nextAction)) { 1640 if (DBG) log("restartDataStallAlarm: action is pending. not resetting the alarm."); 1641 return; 1642 } 1643 if (VDBG_STALL) log("restartDataStallAlarm: stop then start."); 1644 stopDataStallAlarm(); 1645 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 1646 } 1647 1648 protected void setInitialAttachApn() { 1649 ApnSetting iaApnSetting = null; 1650 ApnSetting defaultApnSetting = null; 1651 ApnSetting firstApnSetting = null; 1652 1653 log("setInitialApn: E mPreferredApn=" + mPreferredApn); 1654 1655 if (mAllApnSettings != null && !mAllApnSettings.isEmpty()) { 1656 firstApnSetting = mAllApnSettings.get(0); 1657 log("setInitialApn: firstApnSetting=" + firstApnSetting); 1658 1659 // Search for Initial APN setting and the first apn that can handle default 1660 for (ApnSetting apn : mAllApnSettings) { 1661 // Can't use apn.canHandleType(), as that returns true for APNs that have no type. 1662 if (ArrayUtils.contains(apn.types, PhoneConstants.APN_TYPE_IA)) { 1663 // The Initial Attach APN is highest priority so use it if there is one 1664 log("setInitialApn: iaApnSetting=" + apn); 1665 iaApnSetting = apn; 1666 break; 1667 } else if ((defaultApnSetting == null) 1668 && (apn.canHandleType(PhoneConstants.APN_TYPE_DEFAULT))) { 1669 // Use the first default apn if no better choice 1670 log("setInitialApn: defaultApnSetting=" + apn); 1671 defaultApnSetting = apn; 1672 } 1673 } 1674 } 1675 1676 // The priority of apn candidates from highest to lowest is: 1677 // 1) APN_TYPE_IA (Inital Attach) 1678 // 2) mPreferredApn, i.e. the current preferred apn 1679 // 3) The first apn that than handle APN_TYPE_DEFAULT 1680 // 4) The first APN we can find. 1681 1682 ApnSetting initialAttachApnSetting = null; 1683 if (iaApnSetting != null) { 1684 if (DBG) log("setInitialAttachApn: using iaApnSetting"); 1685 initialAttachApnSetting = iaApnSetting; 1686 } else if (mPreferredApn != null) { 1687 if (DBG) log("setInitialAttachApn: using mPreferredApn"); 1688 initialAttachApnSetting = mPreferredApn; 1689 } else if (defaultApnSetting != null) { 1690 if (DBG) log("setInitialAttachApn: using defaultApnSetting"); 1691 initialAttachApnSetting = defaultApnSetting; 1692 } else if (firstApnSetting != null) { 1693 if (DBG) log("setInitialAttachApn: using firstApnSetting"); 1694 initialAttachApnSetting = firstApnSetting; 1695 } 1696 1697 if (initialAttachApnSetting == null) { 1698 if (DBG) log("setInitialAttachApn: X There in no available apn"); 1699 } else { 1700 if (DBG) log("setInitialAttachApn: X selected Apn=" + initialAttachApnSetting); 1701 1702 mPhone.mCi.setInitialAttachApn(initialAttachApnSetting.apn, 1703 initialAttachApnSetting.protocol, initialAttachApnSetting.authType, 1704 initialAttachApnSetting.user, initialAttachApnSetting.password, null); 1705 } 1706 } 1707 1708 protected void onActionIntentProvisioningApnAlarm(Intent intent) { 1709 if (DBG) log("onActionIntentProvisioningApnAlarm: action=" + intent.getAction()); 1710 Message msg = obtainMessage(DctConstants.EVENT_PROVISIONING_APN_ALARM, 1711 intent.getAction()); 1712 msg.arg1 = intent.getIntExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, 0); 1713 sendMessage(msg); 1714 } 1715 1716 protected void startProvisioningApnAlarm() { 1717 int delayInMs = Settings.Global.getInt(mResolver, 1718 Settings.Global.PROVISIONING_APN_ALARM_DELAY_IN_MS, 1719 PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT); 1720 if (Build.IS_DEBUGGABLE) { 1721 // Allow debug code to use a system property to provide another value 1722 String delayInMsStrg = Integer.toString(delayInMs); 1723 delayInMsStrg = System.getProperty(DEBUG_PROV_APN_ALARM, delayInMsStrg); 1724 try { 1725 delayInMs = Integer.parseInt(delayInMsStrg); 1726 } catch (NumberFormatException e) { 1727 loge("startProvisioningApnAlarm: e=" + e); 1728 } 1729 } 1730 mProvisioningApnAlarmTag += 1; 1731 if (DBG) { 1732 log("startProvisioningApnAlarm: tag=" + mProvisioningApnAlarmTag + 1733 " delay=" + (delayInMs / 1000) + "s"); 1734 } 1735 Intent intent = new Intent(INTENT_PROVISIONING_APN_ALARM); 1736 intent.putExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, mProvisioningApnAlarmTag); 1737 mProvisioningApnAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1738 PendingIntent.FLAG_UPDATE_CURRENT); 1739 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1740 SystemClock.elapsedRealtime() + delayInMs, mProvisioningApnAlarmIntent); 1741 } 1742 1743 protected void stopProvisioningApnAlarm() { 1744 if (DBG) { 1745 log("stopProvisioningApnAlarm: current tag=" + mProvisioningApnAlarmTag + 1746 " mProvsioningApnAlarmIntent=" + mProvisioningApnAlarmIntent); 1747 } 1748 mProvisioningApnAlarmTag += 1; 1749 if (mProvisioningApnAlarmIntent != null) { 1750 mAlarmManager.cancel(mProvisioningApnAlarmIntent); 1751 mProvisioningApnAlarmIntent = null; 1752 } 1753 } 1754 1755 void sendCleanUpConnection(boolean tearDown, ApnContext apnContext) { 1756 if (DBG)log("sendCleanUpConnection: tearDown=" + tearDown + " apnContext=" + apnContext); 1757 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_CONNECTION); 1758 msg.arg1 = tearDown ? 1 : 0; 1759 msg.arg2 = 0; 1760 msg.obj = apnContext; 1761 sendMessage(msg); 1762 } 1763 1764 void sendRestartRadio() { 1765 if (DBG)log("sendRestartRadio:"); 1766 Message msg = obtainMessage(DctConstants.EVENT_RESTART_RADIO); 1767 sendMessage(msg); 1768 } 1769 1770 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1771 pw.println("DataConnectionTrackerBase:"); 1772 pw.println(" RADIO_TESTS=" + RADIO_TESTS); 1773 pw.println(" mInternalDataEnabled=" + mInternalDataEnabled); 1774 pw.println(" mUserDataEnabled=" + mUserDataEnabled); 1775 pw.println(" sPolicyDataEnabed=" + sPolicyDataEnabled); 1776 pw.println(" mDataEnabled:"); 1777 for(int i=0; i < mDataEnabled.length; i++) { 1778 pw.printf(" mDataEnabled[%d]=%b\n", i, mDataEnabled[i]); 1779 } 1780 pw.flush(); 1781 pw.println(" mEnabledCount=" + mEnabledCount); 1782 pw.println(" mRequestedApnType=" + mRequestedApnType); 1783 pw.println(" mPhone=" + mPhone.getPhoneName()); 1784 pw.println(" mActivity=" + mActivity); 1785 pw.println(" mState=" + mState); 1786 pw.println(" mTxPkts=" + mTxPkts); 1787 pw.println(" mRxPkts=" + mRxPkts); 1788 pw.println(" mNetStatPollPeriod=" + mNetStatPollPeriod); 1789 pw.println(" mNetStatPollEnabled=" + mNetStatPollEnabled); 1790 pw.println(" mDataStallTxRxSum=" + mDataStallTxRxSum); 1791 pw.println(" mDataStallAlarmTag=" + mDataStallAlarmTag); 1792 pw.println(" mDataStallDetectionEanbled=" + mDataStallDetectionEnabled); 1793 pw.println(" mSentSinceLastRecv=" + mSentSinceLastRecv); 1794 pw.println(" mNoRecvPollCount=" + mNoRecvPollCount); 1795 pw.println(" mResolver=" + mResolver); 1796 pw.println(" mIsWifiConnected=" + mIsWifiConnected); 1797 pw.println(" mReconnectIntent=" + mReconnectIntent); 1798 pw.println(" mCidActive=" + mCidActive); 1799 pw.println(" mAutoAttachOnCreation=" + mAutoAttachOnCreation); 1800 pw.println(" mIsScreenOn=" + mIsScreenOn); 1801 pw.println(" mUniqueIdGenerator=" + mUniqueIdGenerator); 1802 pw.flush(); 1803 pw.println(" ***************************************"); 1804 DcController dcc = mDcc; 1805 if (dcc != null) { 1806 dcc.dump(fd, pw, args); 1807 } else { 1808 pw.println(" mDcc=null"); 1809 } 1810 pw.println(" ***************************************"); 1811 HashMap<Integer, DataConnection> dcs = mDataConnections; 1812 if (dcs != null) { 1813 Set<Entry<Integer, DataConnection> > mDcSet = mDataConnections.entrySet(); 1814 pw.println(" mDataConnections: count=" + mDcSet.size()); 1815 for (Entry<Integer, DataConnection> entry : mDcSet) { 1816 pw.printf(" *** mDataConnection[%d] \n", entry.getKey()); 1817 entry.getValue().dump(fd, pw, args); 1818 } 1819 } else { 1820 pw.println("mDataConnections=null"); 1821 } 1822 pw.println(" ***************************************"); 1823 pw.flush(); 1824 HashMap<String, Integer> apnToDcId = mApnToDataConnectionId; 1825 if (apnToDcId != null) { 1826 Set<Entry<String, Integer>> apnToDcIdSet = apnToDcId.entrySet(); 1827 pw.println(" mApnToDataConnectonId size=" + apnToDcIdSet.size()); 1828 for (Entry<String, Integer> entry : apnToDcIdSet) { 1829 pw.printf(" mApnToDataConnectonId[%s]=%d\n", entry.getKey(), entry.getValue()); 1830 } 1831 } else { 1832 pw.println("mApnToDataConnectionId=null"); 1833 } 1834 pw.println(" ***************************************"); 1835 pw.flush(); 1836 ConcurrentHashMap<String, ApnContext> apnCtxs = mApnContexts; 1837 if (apnCtxs != null) { 1838 Set<Entry<String, ApnContext>> apnCtxsSet = apnCtxs.entrySet(); 1839 pw.println(" mApnContexts size=" + apnCtxsSet.size()); 1840 for (Entry<String, ApnContext> entry : apnCtxsSet) { 1841 entry.getValue().dump(fd, pw, args); 1842 } 1843 pw.println(" ***************************************"); 1844 } else { 1845 pw.println(" mApnContexts=null"); 1846 } 1847 pw.flush(); 1848 pw.println(" mActiveApn=" + mActiveApn); 1849 ArrayList<ApnSetting> apnSettings = mAllApnSettings; 1850 if (apnSettings != null) { 1851 pw.println(" mAllApnSettings size=" + apnSettings.size()); 1852 for (int i=0; i < apnSettings.size(); i++) { 1853 pw.printf(" mAllApnSettings[%d]: %s\n", i, apnSettings.get(i)); 1854 } 1855 pw.flush(); 1856 } else { 1857 pw.println(" mAllApnSettings=null"); 1858 } 1859 pw.println(" mPreferredApn=" + mPreferredApn); 1860 pw.println(" mIsPsRestricted=" + mIsPsRestricted); 1861 pw.println(" mIsDisposed=" + mIsDisposed); 1862 pw.println(" mIntentReceiver=" + mIntentReceiver); 1863 pw.println(" mDataRoamingSettingObserver=" + mDataRoamingSettingObserver); 1864 pw.flush(); 1865 } 1866} 1867