DcTrackerBase.java revision 58c7be5dc52e9847470112c95aaf6bbab28f9b92
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.LinkProperties; 30import android.net.NetworkCapabilities; 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.SubscriptionManager; 47import android.telephony.TelephonyManager; 48import android.text.TextUtils; 49import android.util.EventLog; 50import android.telephony.Rlog; 51 52import com.android.internal.R; 53import com.android.internal.telephony.DctConstants; 54import com.android.internal.telephony.DctConstants.State; 55import com.android.internal.telephony.EventLogTags; 56import com.android.internal.telephony.Phone; 57import com.android.internal.telephony.PhoneBase; 58import com.android.internal.telephony.PhoneConstants; 59import com.android.internal.telephony.uicc.IccRecords; 60import com.android.internal.telephony.uicc.UiccController; 61import com.android.internal.util.AsyncChannel; 62import com.android.internal.util.ArrayUtils; 63 64import java.io.FileDescriptor; 65import java.io.PrintWriter; 66import java.util.ArrayList; 67import java.util.Comparator; 68import java.util.HashMap; 69import java.util.Map.Entry; 70import java.util.Set; 71import java.util.concurrent.ConcurrentHashMap; 72import java.util.concurrent.atomic.AtomicInteger; 73import java.util.concurrent.atomic.AtomicReference; 74import java.util.PriorityQueue; 75 76/** 77 * {@hide} 78 */ 79public abstract class DcTrackerBase extends Handler { 80 protected static final boolean DBG = true; 81 protected static final boolean VDBG = false; // STOPSHIP if true 82 protected static final boolean VDBG_STALL = true; // STOPSHIP if true 83 protected static final boolean RADIO_TESTS = false; 84 85 static boolean mIsCleanupRequired = false; 86 /** 87 * Constants for the data connection activity: 88 * physical link down/up 89 */ 90 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_INACTIVE = 0; 91 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_DOWN = 1; 92 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_UP = 2; 93 94 /** Delay between APN attempts. 95 Note the property override mechanism is there just for testing purpose only. */ 96 protected static final int APN_DELAY_DEFAULT_MILLIS = 20000; 97 98 /** Delay between APN attempts when in fail fast mode */ 99 protected static final int APN_FAIL_FAST_DELAY_DEFAULT_MILLIS = 3000; 100 101 AlarmManager mAlarmManager; 102 103 protected Object mDataEnabledLock = new Object(); 104 105 // responds to the setInternalDataEnabled call - used internally to turn off data 106 // for example during emergency calls 107 protected boolean mInternalDataEnabled = true; 108 109 // responds to public (user) API to enable/disable data use 110 // independent of mInternalDataEnabled and requests for APN access 111 // persisted 112 protected boolean mUserDataEnabled = true; 113 114 // TODO: move away from static state once 5587429 is fixed. 115 protected static boolean sPolicyDataEnabled = true; 116 117 private boolean[] mDataEnabled = new boolean[DctConstants.APN_NUM_TYPES]; 118 119 private int mEnabledCount = 0; 120 121 /* Currently requested APN type (TODO: This should probably be a parameter not a member) */ 122 protected String mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 123 124 /** Retry configuration: A doubling of retry times from 5secs to 30minutes */ 125 protected static final String DEFAULT_DATA_RETRY_CONFIG = "default_randomization=2000," 126 + "5000,10000,20000,40000,80000:5000,160000:5000," 127 + "320000:5000,640000:5000,1280000:5000,1800000:5000"; 128 129 /** Retry configuration for secondary networks: 4 tries in 20 sec */ 130 protected static final String SECONDARY_DATA_RETRY_CONFIG = 131 "max_retries=3, 5000, 5000, 5000"; 132 133 /** Slow poll when attempting connection recovery. */ 134 protected static final int POLL_NETSTAT_SLOW_MILLIS = 5000; 135 /** Default max failure count before attempting to network re-registration. */ 136 protected static final int DEFAULT_MAX_PDP_RESET_FAIL = 3; 137 138 /** 139 * After detecting a potential connection problem, this is the max number 140 * of subsequent polls before attempting recovery. 141 */ 142 protected static final int NO_RECV_POLL_LIMIT = 24; 143 // 1 sec. default polling interval when screen is on. 144 protected static final int POLL_NETSTAT_MILLIS = 1000; 145 // 10 min. default polling interval when screen is off. 146 protected static final int POLL_NETSTAT_SCREEN_OFF_MILLIS = 1000*60*10; 147 // 2 min for round trip time 148 protected static final int POLL_LONGEST_RTT = 120 * 1000; 149 // Default sent packets without ack which triggers initial recovery steps 150 protected static final int NUMBER_SENT_PACKETS_OF_HANG = 10; 151 // how long to wait before switching back to default APN 152 protected static final int RESTORE_DEFAULT_APN_DELAY = 1 * 60 * 1000; 153 // system property that can override the above value 154 protected static final String APN_RESTORE_DELAY_PROP_NAME = "android.telephony.apn-restore"; 155 // represents an invalid IP address 156 protected static final String NULL_IP = "0.0.0.0"; 157 158 // Default for the data stall alarm while non-aggressive stall detection 159 protected static final int DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60 * 6; 160 // Default for the data stall alarm for aggressive stall detection 161 protected static final int DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60; 162 // If attempt is less than this value we're doing first level recovery 163 protected static final int DATA_STALL_NO_RECV_POLL_LIMIT = 1; 164 // Tag for tracking stale alarms 165 protected static final String DATA_STALL_ALARM_TAG_EXTRA = "data.stall.alram.tag"; 166 167 protected static final boolean DATA_STALL_SUSPECTED = true; 168 protected static final boolean DATA_STALL_NOT_SUSPECTED = false; 169 170 protected String RADIO_RESET_PROPERTY = "gsm.radioreset"; 171 172 protected static final String INTENT_RECONNECT_ALARM = 173 "com.android.internal.telephony.data-reconnect"; 174 protected static final String INTENT_RECONNECT_ALARM_EXTRA_TYPE = "reconnect_alarm_extra_type"; 175 protected static final String INTENT_RECONNECT_ALARM_EXTRA_REASON = 176 "reconnect_alarm_extra_reason"; 177 178 protected static final String INTENT_RESTART_TRYSETUP_ALARM = 179 "com.android.internal.telephony.data-restart-trysetup"; 180 protected static final String INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE = 181 "restart_trysetup_alarm_extra_type"; 182 183 protected static final String INTENT_DATA_STALL_ALARM = 184 "com.android.internal.telephony.data-stall"; 185 186 187 188 protected static final String DEFALUT_DATA_ON_BOOT_PROP = "net.def_data_on_boot"; 189 190 protected DcTesterFailBringUpAll mDcTesterFailBringUpAll; 191 protected DcController mDcc; 192 193 // member variables 194 protected PhoneBase mPhone; 195 protected UiccController mUiccController; 196 protected AtomicReference<IccRecords> mIccRecords = new AtomicReference<IccRecords>(); 197 protected DctConstants.Activity mActivity = DctConstants.Activity.NONE; 198 protected DctConstants.State mState = DctConstants.State.IDLE; 199 protected Handler mDataConnectionTracker = null; 200 201 protected long mTxPkts; 202 protected long mRxPkts; 203 protected int mNetStatPollPeriod; 204 protected boolean mNetStatPollEnabled = false; 205 206 protected TxRxSum mDataStallTxRxSum = new TxRxSum(0, 0); 207 // Used to track stale data stall alarms. 208 protected int mDataStallAlarmTag = (int) SystemClock.elapsedRealtime(); 209 // The current data stall alarm intent 210 protected PendingIntent mDataStallAlarmIntent = null; 211 // Number of packets sent since the last received packet 212 protected long mSentSinceLastRecv; 213 // Controls when a simple recovery attempt it to be tried 214 protected int mNoRecvPollCount = 0; 215 // Refrence counter for enabling fail fast 216 protected static int sEnableFailFastRefCounter = 0; 217 // True if data stall detection is enabled 218 protected volatile boolean mDataStallDetectionEnabled = true; 219 220 protected volatile boolean mFailFast = false; 221 222 // True when in voice call 223 protected boolean mInVoiceCall = false; 224 225 // wifi connection status will be updated by sticky intent 226 protected boolean mIsWifiConnected = false; 227 228 /** Intent sent when the reconnect alarm fires. */ 229 protected PendingIntent mReconnectIntent = null; 230 231 /** CID of active data connection */ 232 protected int mCidActive; 233 234 // When false we will not auto attach and manually attaching is required. 235 protected boolean mAutoAttachOnCreation = false; 236 237 // State of screen 238 // (TODO: Reconsider tying directly to screen, maybe this is 239 // really a lower power mode") 240 protected boolean mIsScreenOn = true; 241 242 /** Allows the generation of unique Id's for DataConnection objects */ 243 protected AtomicInteger mUniqueIdGenerator = new AtomicInteger(0); 244 245 /** The data connections. */ 246 protected HashMap<Integer, DataConnection> mDataConnections = 247 new HashMap<Integer, DataConnection>(); 248 249 /** The data connection async channels */ 250 protected HashMap<Integer, DcAsyncChannel> mDataConnectionAcHashMap = 251 new HashMap<Integer, DcAsyncChannel>(); 252 253 /** Convert an ApnType string to Id (TODO: Use "enumeration" instead of String for ApnType) */ 254 protected HashMap<String, Integer> mApnToDataConnectionId = 255 new HashMap<String, Integer>(); 256 257 /** Phone.APN_TYPE_* ===> ApnContext */ 258 protected final ConcurrentHashMap<String, ApnContext> mApnContexts = 259 new ConcurrentHashMap<String, ApnContext>(); 260 261 /** kept in sync with mApnContexts 262 * Higher numbers are higher priority and sorted so highest priority is first */ 263 protected final PriorityQueue<ApnContext>mPrioritySortedApnContexts = 264 new PriorityQueue<ApnContext>(5, 265 new Comparator<ApnContext>() { 266 public int compare(ApnContext c1, ApnContext c2) { 267 return c2.priority - c1.priority; 268 } 269 } ); 270 271 /* Currently active APN */ 272 protected ApnSetting mActiveApn; 273 274 /** allApns holds all apns */ 275 protected ArrayList<ApnSetting> mAllApnSettings = null; 276 277 /** preferred apn */ 278 protected ApnSetting mPreferredApn = null; 279 280 /** Is packet service restricted by network */ 281 protected boolean mIsPsRestricted = false; 282 283 /* Once disposed dont handle any messages */ 284 protected boolean mIsDisposed = false; 285 286 protected ContentResolver mResolver; 287 288 /* Set to true with CMD_ENABLE_MOBILE_PROVISIONING */ 289 protected boolean mIsProvisioning = false; 290 291 /* The Url passed as object parameter in CMD_ENABLE_MOBILE_PROVISIONING */ 292 protected String mProvisioningUrl = null; 293 294 /* Intent for the provisioning apn alarm */ 295 protected static final String INTENT_PROVISIONING_APN_ALARM = 296 "com.android.internal.telephony.provisioning_apn_alarm"; 297 298 /* Tag for tracking stale alarms */ 299 protected static final String PROVISIONING_APN_ALARM_TAG_EXTRA = "provisioning.apn.alarm.tag"; 300 301 /* Debug property for overriding the PROVISIONING_APN_ALARM_DELAY_IN_MS */ 302 protected static final String DEBUG_PROV_APN_ALARM = 303 "persist.debug.prov_apn_alarm"; 304 305 /* Default for the provisioning apn alarm timeout */ 306 protected static final int PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT = 1000 * 60 * 15; 307 308 /* The provision apn alarm intent used to disable the provisioning apn */ 309 protected PendingIntent mProvisioningApnAlarmIntent = null; 310 311 /* Used to track stale provisioning apn alarms */ 312 protected int mProvisioningApnAlarmTag = (int) SystemClock.elapsedRealtime(); 313 314 protected AsyncChannel mReplyAc = new AsyncChannel(); 315 316 protected BroadcastReceiver mIntentReceiver = new BroadcastReceiver () 317 { 318 @Override 319 public void onReceive(Context context, Intent intent) 320 { 321 String action = intent.getAction(); 322 if (DBG) log("onReceive: action=" + action); 323 if (action.equals(Intent.ACTION_SCREEN_ON)) { 324 mIsScreenOn = true; 325 stopNetStatPoll(); 326 startNetStatPoll(); 327 restartDataStallAlarm(); 328 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 329 mIsScreenOn = false; 330 stopNetStatPoll(); 331 startNetStatPoll(); 332 restartDataStallAlarm(); 333 } else if (action.startsWith(INTENT_RECONNECT_ALARM)) { 334 if (DBG) log("Reconnect alarm. Previous state was " + mState); 335 onActionIntentReconnectAlarm(intent); 336 } else if (action.startsWith(INTENT_RESTART_TRYSETUP_ALARM)) { 337 if (DBG) log("Restart trySetup alarm"); 338 onActionIntentRestartTrySetupAlarm(intent); 339 } else if (action.equals(INTENT_DATA_STALL_ALARM)) { 340 onActionIntentDataStallAlarm(intent); 341 } else if (action.equals(INTENT_PROVISIONING_APN_ALARM)) { 342 onActionIntentProvisioningApnAlarm(intent); 343 } else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { 344 final android.net.NetworkInfo networkInfo = (NetworkInfo) 345 intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); 346 mIsWifiConnected = (networkInfo != null && networkInfo.isConnected()); 347 if (DBG) log("NETWORK_STATE_CHANGED_ACTION: mIsWifiConnected=" + mIsWifiConnected); 348 } else if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { 349 final boolean enabled = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 350 WifiManager.WIFI_STATE_UNKNOWN) == WifiManager.WIFI_STATE_ENABLED; 351 352 if (!enabled) { 353 // when WiFi got disabled, the NETWORK_STATE_CHANGED_ACTION 354 // quit and won't report disconnected until next enabling. 355 mIsWifiConnected = false; 356 } 357 if (DBG) log("WIFI_STATE_CHANGED_ACTION: enabled=" + enabled 358 + " mIsWifiConnected=" + mIsWifiConnected); 359 } 360 } 361 }; 362 363 private Runnable mPollNetStat = new Runnable() 364 { 365 @Override 366 public void run() { 367 updateDataActivity(); 368 369 if (mIsScreenOn) { 370 mNetStatPollPeriod = Settings.Global.getInt(mResolver, 371 Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS, POLL_NETSTAT_MILLIS); 372 } else { 373 mNetStatPollPeriod = Settings.Global.getInt(mResolver, 374 Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS, 375 POLL_NETSTAT_SCREEN_OFF_MILLIS); 376 } 377 378 if (mNetStatPollEnabled) { 379 mDataConnectionTracker.postDelayed(this, mNetStatPollPeriod); 380 } 381 } 382 }; 383 384 private class DataRoamingSettingObserver extends ContentObserver { 385 386 public DataRoamingSettingObserver(Handler handler, Context context) { 387 super(handler); 388 mResolver = context.getContentResolver(); 389 } 390 391 public void register() { 392 mResolver.registerContentObserver( 393 Settings.Global.getUriFor(Settings.Global.DATA_ROAMING), false, this); 394 } 395 396 public void unregister() { 397 mResolver.unregisterContentObserver(this); 398 } 399 400 @Override 401 public void onChange(boolean selfChange) { 402 // already running on mPhone handler thread 403 if (mPhone.getServiceState().getRoaming()) { 404 sendMessage(obtainMessage(DctConstants.EVENT_ROAMING_ON)); 405 } 406 } 407 } 408 private final DataRoamingSettingObserver mDataRoamingSettingObserver; 409 410 /** 411 * The Initial MaxRetry sent to a DataConnection as a parameter 412 * to DataConnectionAc.bringUp. This value can be defined at compile 413 * time using the SystemProperty Settings.Global.DCT_INITIAL_MAX_RETRY 414 * and at runtime using gservices to change Settings.Global.DCT_INITIAL_MAX_RETRY. 415 */ 416 private static final int DEFAULT_MDC_INITIAL_RETRY = 1; 417 protected int getInitialMaxRetry() { 418 if (mFailFast) { 419 return 0; 420 } 421 // Get default value from system property or use DEFAULT_MDC_INITIAL_RETRY 422 int value = SystemProperties.getInt( 423 Settings.Global.MDC_INITIAL_MAX_RETRY, DEFAULT_MDC_INITIAL_RETRY); 424 425 // Check if its been overridden 426 return Settings.Global.getInt(mResolver, 427 Settings.Global.MDC_INITIAL_MAX_RETRY, value); 428 } 429 430 /** 431 * Maintain the sum of transmit and receive packets. 432 * 433 * The packet counts are initialized and reset to -1 and 434 * remain -1 until they can be updated. 435 */ 436 public class TxRxSum { 437 public long txPkts; 438 public long rxPkts; 439 440 public TxRxSum() { 441 reset(); 442 } 443 444 public TxRxSum(long txPkts, long rxPkts) { 445 this.txPkts = txPkts; 446 this.rxPkts = rxPkts; 447 } 448 449 public TxRxSum(TxRxSum sum) { 450 txPkts = sum.txPkts; 451 rxPkts = sum.rxPkts; 452 } 453 454 public void reset() { 455 txPkts = -1; 456 rxPkts = -1; 457 } 458 459 @Override 460 public String toString() { 461 return "{txSum=" + txPkts + " rxSum=" + rxPkts + "}"; 462 } 463 464 public void updateTxRxSum() { 465 this.txPkts = TrafficStats.getMobileTcpTxPackets(); 466 this.rxPkts = TrafficStats.getMobileTcpRxPackets(); 467 } 468 } 469 470 protected void onActionIntentReconnectAlarm(Intent intent) { 471 String reason = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_REASON); 472 String apnType = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_TYPE); 473 474 long phoneSubId = mPhone.getSubId(); 475 long currSubId = intent.getLongExtra(PhoneConstants.SUBSCRIPTION_KEY, 476 SubscriptionManager.INVALID_SUB_ID); 477 log("onActionIntentReconnectAlarm: currSubId = " + currSubId + " phoneSubId=" + phoneSubId); 478 479 // Stop reconnect if not current subId is not correct. 480 if ((currSubId == SubscriptionManager.INVALID_SUB_ID) || (currSubId != phoneSubId)) { 481 log("receive ReconnectAlarm but subId incorrect, ignore"); 482 return; 483 } 484 485 ApnContext apnContext = mApnContexts.get(apnType); 486 487 if (DBG) { 488 log("onActionIntentReconnectAlarm: mState=" + mState + " reason=" + reason + 489 " apnType=" + apnType + " apnContext=" + apnContext + 490 " mDataConnectionAsyncChannels=" + mDataConnectionAcHashMap); 491 } 492 493 if ((apnContext != null) && (apnContext.isEnabled())) { 494 apnContext.setReason(reason); 495 DctConstants.State apnContextState = apnContext.getState(); 496 if (DBG) { 497 log("onActionIntentReconnectAlarm: apnContext state=" + apnContextState); 498 } 499 if ((apnContextState == DctConstants.State.FAILED) 500 || (apnContextState == DctConstants.State.IDLE)) { 501 if (DBG) { 502 log("onActionIntentReconnectAlarm: state is FAILED|IDLE, disassociate"); 503 } 504 DcAsyncChannel dcac = apnContext.getDcAc(); 505 if (dcac != null) { 506 dcac.tearDown(apnContext, "", null); 507 } 508 apnContext.setDataConnectionAc(null); 509 apnContext.setState(DctConstants.State.IDLE); 510 } else { 511 if (DBG) log("onActionIntentReconnectAlarm: keep associated"); 512 } 513 // TODO: IF already associated should we send the EVENT_TRY_SETUP_DATA??? 514 sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); 515 516 apnContext.setReconnectIntent(null); 517 } 518 } 519 520 protected void onActionIntentRestartTrySetupAlarm(Intent intent) { 521 String apnType = intent.getStringExtra(INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE); 522 ApnContext apnContext = mApnContexts.get(apnType); 523 if (DBG) { 524 log("onActionIntentRestartTrySetupAlarm: mState=" + mState + 525 " apnType=" + apnType + " apnContext=" + apnContext + 526 " mDataConnectionAsyncChannels=" + mDataConnectionAcHashMap); 527 } 528 sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); 529 } 530 531 protected void onActionIntentDataStallAlarm(Intent intent) { 532 if (VDBG_STALL) log("onActionIntentDataStallAlarm: action=" + intent.getAction()); 533 Message msg = obtainMessage(DctConstants.EVENT_DATA_STALL_ALARM, 534 intent.getAction()); 535 msg.arg1 = intent.getIntExtra(DATA_STALL_ALARM_TAG_EXTRA, 0); 536 sendMessage(msg); 537 } 538 539 ConnectivityManager mCm; 540 541 /** 542 * Default constructor 543 */ 544 protected DcTrackerBase(PhoneBase phone) { 545 super(); 546 mPhone = phone; 547 if (DBG) log("DCT.constructor"); 548 mResolver = mPhone.getContext().getContentResolver(); 549 mUiccController = UiccController.getInstance(); 550 mUiccController.registerForIccChanged(this, DctConstants.EVENT_ICC_CHANGED, null); 551 mAlarmManager = 552 (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE); 553 mCm = (ConnectivityManager) mPhone.getContext().getSystemService( 554 Context.CONNECTIVITY_SERVICE); 555 556 557 IntentFilter filter = new IntentFilter(); 558 filter.addAction(Intent.ACTION_SCREEN_ON); 559 filter.addAction(Intent.ACTION_SCREEN_OFF); 560 filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); 561 filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); 562 filter.addAction(INTENT_DATA_STALL_ALARM); 563 filter.addAction(INTENT_PROVISIONING_APN_ALARM); 564 565 mUserDataEnabled = Settings.Global.getInt( 566 mPhone.getContext().getContentResolver(), Settings.Global.MOBILE_DATA, 1) == 1; 567 568 mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mPhone); 569 570 // This preference tells us 1) initial condition for "dataEnabled", 571 // and 2) whether the RIL will setup the baseband to auto-PS attach. 572 573 mDataEnabled[DctConstants.APN_DEFAULT_ID] = 574 SystemProperties.getBoolean(DEFALUT_DATA_ON_BOOT_PROP,true); 575 if (mDataEnabled[DctConstants.APN_DEFAULT_ID]) { 576 mEnabledCount++; 577 } 578 579 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 580 mAutoAttachOnCreation = sp.getBoolean(PhoneBase.DATA_DISABLED_ON_BOOT_KEY, false); 581 582 // Watch for changes to Settings.Global.DATA_ROAMING 583 mDataRoamingSettingObserver = new DataRoamingSettingObserver(mPhone, mPhone.getContext()); 584 mDataRoamingSettingObserver.register(); 585 586 HandlerThread dcHandlerThread = new HandlerThread("DcHandlerThread"); 587 dcHandlerThread.start(); 588 Handler dcHandler = new Handler(dcHandlerThread.getLooper()); 589 mDcc = DcController.makeDcc(mPhone, this, dcHandler); 590 mDcTesterFailBringUpAll = new DcTesterFailBringUpAll(mPhone, dcHandler); 591 } 592 593 public void dispose() { 594 if (DBG) log("DCT.dispose"); 595 for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { 596 dcac.disconnect(); 597 } 598 mDataConnectionAcHashMap.clear(); 599 mIsDisposed = true; 600 mPhone.getContext().unregisterReceiver(mIntentReceiver); 601 mUiccController.unregisterForIccChanged(this); 602 mDataRoamingSettingObserver.unregister(); 603 mDcc.dispose(); 604 mDcTesterFailBringUpAll.dispose(); 605 } 606 607 public DctConstants.Activity getActivity() { 608 return mActivity; 609 } 610 611 void setActivity(DctConstants.Activity activity) { 612 log("setActivity = " + activity); 613 mActivity = activity; 614 mPhone.notifyDataActivity(); 615 } 616 617 public boolean isApnTypeActive(String type) { 618 // TODO: support simultaneous with List instead 619 if (PhoneConstants.APN_TYPE_DUN.equals(type)) { 620 ApnSetting dunApn = fetchDunApn(); 621 if (dunApn != null) { 622 return ((mActiveApn != null) && (dunApn.toString().equals(mActiveApn.toString()))); 623 } 624 } 625 return mActiveApn != null && mActiveApn.canHandleType(type); 626 } 627 628 protected ApnSetting fetchDunApn() { 629 if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) { 630 log("fetchDunApn: net.tethering.noprovisioning=true ret: null"); 631 return null; 632 } 633 Context c = mPhone.getContext(); 634 String apnData = Settings.Global.getString(c.getContentResolver(), 635 Settings.Global.TETHER_DUN_APN); 636 ApnSetting dunSetting = ApnSetting.fromString(apnData); 637 if (dunSetting != null) { 638 IccRecords r = mIccRecords.get(); 639 String operator = (r != null) ? r.getOperatorNumeric() : ""; 640 if (dunSetting.numeric.equals(operator)) { 641 if (VDBG) log("fetchDunApn: global TETHER_DUN_APN dunSetting=" + dunSetting); 642 return dunSetting; 643 } 644 } 645 646 apnData = c.getResources().getString(R.string.config_tether_apndata); 647 dunSetting = ApnSetting.fromString(apnData); 648 if (VDBG) log("fetchDunApn: config_tether_apndata dunSetting=" + dunSetting); 649 return dunSetting; 650 } 651 652 public String[] getActiveApnTypes() { 653 String[] result; 654 if (mActiveApn != null) { 655 result = mActiveApn.types; 656 } else { 657 result = new String[1]; 658 result[0] = PhoneConstants.APN_TYPE_DEFAULT; 659 } 660 return result; 661 } 662 663 /** TODO: See if we can remove */ 664 public String getActiveApnString(String apnType) { 665 String result = null; 666 if (mActiveApn != null) { 667 result = mActiveApn.apn; 668 } 669 return result; 670 } 671 672 /** 673 * Modify {@link android.provider.Settings.Global#DATA_ROAMING} value. 674 */ 675 public void setDataOnRoamingEnabled(boolean enabled) { 676 if (getDataOnRoamingEnabled() != enabled) { 677 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 678 Settings.Global.putInt(resolver, Settings.Global.DATA_ROAMING, enabled ? 1 : 0); 679 // will trigger handleDataOnRoamingChange() through observer 680 } 681 } 682 683 /** 684 * Return current {@link android.provider.Settings.Global#DATA_ROAMING} value. 685 */ 686 public boolean getDataOnRoamingEnabled() { 687 try { 688 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 689 return Settings.Global.getInt(resolver, Settings.Global.DATA_ROAMING) != 0; 690 } catch (SettingNotFoundException snfe) { 691 return false; 692 } 693 } 694 695 /** 696 * Modify {@link android.provider.Settings.Global#MOBILE_DATA} value. 697 */ 698 public void setDataEnabled(boolean enable) { 699 Message msg = obtainMessage(DctConstants.CMD_SET_USER_DATA_ENABLE); 700 msg.arg1 = enable ? 1 : 0; 701 sendMessage(msg); 702 } 703 704 /** 705 * Return current {@link android.provider.Settings.Global#MOBILE_DATA} value. 706 */ 707 public boolean getDataEnabled() { 708 try { 709 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 710 return Settings.Global.getInt(resolver, Settings.Global.MOBILE_DATA) != 0; 711 } catch (SettingNotFoundException snfe) { 712 return false; 713 } 714 } 715 716 // abstract methods 717 protected abstract void restartRadio(); 718 protected abstract void log(String s); 719 protected abstract void loge(String s); 720 protected abstract boolean isDataAllowed(); 721 protected abstract boolean isApnTypeAvailable(String type); 722 public abstract DctConstants.State getState(String apnType); 723 protected abstract boolean isProvisioningApn(String apnType); 724 protected abstract void setState(DctConstants.State s); 725 protected abstract void gotoIdleAndNotifyDataConnection(String reason); 726 727 protected abstract boolean onTrySetupData(String reason); 728 protected abstract void onRoamingOff(); 729 protected abstract void onRoamingOn(); 730 protected abstract void onRadioAvailable(); 731 protected abstract void onRadioOffOrNotAvailable(); 732 protected abstract void onDataSetupComplete(AsyncResult ar); 733 protected abstract void onDataSetupCompleteError(AsyncResult ar); 734 protected abstract void onDisconnectDone(int connId, AsyncResult ar); 735 protected abstract void onDisconnectDcRetrying(int connId, AsyncResult ar); 736 protected abstract void onVoiceCallStarted(); 737 protected abstract void onVoiceCallEnded(); 738 protected abstract void onCleanUpConnection(boolean tearDown, int apnId, String reason); 739 protected abstract void onCleanUpAllConnections(String cause); 740 public abstract boolean isDataPossible(String apnType); 741 protected abstract void onUpdateIcc(); 742 protected abstract void completeConnection(ApnContext apnContext); 743 public abstract void setDataAllowed(boolean enable, Message response); 744 public abstract String[] getPcscfAddress(); 745 public abstract void setImsRegistrationState(boolean registered); 746 747 @Override 748 public void handleMessage(Message msg) { 749 switch (msg.what) { 750 case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { 751 log("DISCONNECTED_CONNECTED: msg=" + msg); 752 DcAsyncChannel dcac = (DcAsyncChannel) msg.obj; 753 mDataConnectionAcHashMap.remove(dcac.getDataConnectionIdSync()); 754 dcac.disconnected(); 755 break; 756 } 757 case DctConstants.EVENT_ENABLE_NEW_APN: 758 onEnableApn(msg.arg1, msg.arg2); 759 break; 760 761 case DctConstants.EVENT_TRY_SETUP_DATA: 762 String reason = null; 763 if (msg.obj instanceof String) { 764 reason = (String) msg.obj; 765 } 766 onTrySetupData(reason); 767 break; 768 769 case DctConstants.EVENT_DATA_STALL_ALARM: 770 onDataStallAlarm(msg.arg1); 771 break; 772 773 case DctConstants.EVENT_ROAMING_OFF: 774 onRoamingOff(); 775 break; 776 777 case DctConstants.EVENT_ROAMING_ON: 778 onRoamingOn(); 779 break; 780 781 case DctConstants.EVENT_RADIO_AVAILABLE: 782 onRadioAvailable(); 783 break; 784 785 case DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE: 786 onRadioOffOrNotAvailable(); 787 break; 788 789 case DctConstants.EVENT_DATA_SETUP_COMPLETE: 790 mCidActive = msg.arg1; 791 onDataSetupComplete((AsyncResult) msg.obj); 792 break; 793 794 case DctConstants.EVENT_DATA_SETUP_COMPLETE_ERROR: 795 onDataSetupCompleteError((AsyncResult) msg.obj); 796 break; 797 798 case DctConstants.EVENT_DISCONNECT_DONE: 799 log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DONE msg=" + msg); 800 onDisconnectDone(msg.arg1, (AsyncResult) msg.obj); 801 break; 802 803 case DctConstants.EVENT_DISCONNECT_DC_RETRYING: 804 log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DC_RETRYING msg=" + msg); 805 onDisconnectDcRetrying(msg.arg1, (AsyncResult) msg.obj); 806 break; 807 808 case DctConstants.EVENT_VOICE_CALL_STARTED: 809 onVoiceCallStarted(); 810 break; 811 812 case DctConstants.EVENT_VOICE_CALL_ENDED: 813 onVoiceCallEnded(); 814 break; 815 816 case DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS: { 817 onCleanUpAllConnections((String) msg.obj); 818 break; 819 } 820 case DctConstants.EVENT_CLEAN_UP_CONNECTION: { 821 boolean tearDown = (msg.arg1 == 0) ? false : true; 822 onCleanUpConnection(tearDown, msg.arg2, (String) msg.obj); 823 break; 824 } 825 case DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE: { 826 boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 827 onSetInternalDataEnabled(enabled); 828 break; 829 } 830 case DctConstants.EVENT_RESET_DONE: { 831 if (DBG) log("EVENT_RESET_DONE"); 832 onResetDone((AsyncResult) msg.obj); 833 break; 834 } 835 case DctConstants.CMD_SET_USER_DATA_ENABLE: { 836 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 837 if (DBG) log("CMD_SET_USER_DATA_ENABLE enabled=" + enabled); 838 onSetUserDataEnabled(enabled); 839 break; 840 } 841 case DctConstants.CMD_SET_DEPENDENCY_MET: { 842 boolean met = (msg.arg1 == DctConstants.ENABLED) ? true : false; 843 if (DBG) log("CMD_SET_DEPENDENCY_MET met=" + met); 844 Bundle bundle = msg.getData(); 845 if (bundle != null) { 846 String apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 847 if (apnType != null) { 848 onSetDependencyMet(apnType, met); 849 } 850 } 851 break; 852 } 853 case DctConstants.CMD_SET_POLICY_DATA_ENABLE: { 854 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 855 onSetPolicyDataEnabled(enabled); 856 break; 857 } 858 case DctConstants.CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: { 859 sEnableFailFastRefCounter += (msg.arg1 == DctConstants.ENABLED) ? 1 : -1; 860 if (DBG) { 861 log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " 862 + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); 863 } 864 if (sEnableFailFastRefCounter < 0) { 865 final String s = "CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " 866 + "sEnableFailFastRefCounter:" + sEnableFailFastRefCounter + " < 0"; 867 loge(s); 868 sEnableFailFastRefCounter = 0; 869 } 870 final boolean enabled = sEnableFailFastRefCounter > 0; 871 if (DBG) { 872 log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: enabled=" + enabled 873 + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); 874 } 875 if (mFailFast != enabled) { 876 mFailFast = enabled; 877 mDataStallDetectionEnabled = !enabled; 878 if (mDataStallDetectionEnabled 879 && (getOverallState() == DctConstants.State.CONNECTED) 880 && (!mInVoiceCall || 881 mPhone.getServiceStateTracker() 882 .isConcurrentVoiceAndDataAllowed())) { 883 if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: start data stall"); 884 stopDataStallAlarm(); 885 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 886 } else { 887 if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: stop data stall"); 888 stopDataStallAlarm(); 889 } 890 } 891 892 break; 893 } 894 case DctConstants.CMD_ENABLE_MOBILE_PROVISIONING: { 895 Bundle bundle = msg.getData(); 896 if (bundle != null) { 897 try { 898 mProvisioningUrl = (String)bundle.get(DctConstants.PROVISIONING_URL_KEY); 899 } catch(ClassCastException e) { 900 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url not a string" + e); 901 mProvisioningUrl = null; 902 } 903 } 904 if (TextUtils.isEmpty(mProvisioningUrl)) { 905 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url is empty, ignoring"); 906 mIsProvisioning = false; 907 mProvisioningUrl = null; 908 } else { 909 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioningUrl=" + mProvisioningUrl); 910 mIsProvisioning = true; 911 startProvisioningApnAlarm(); 912 } 913 break; 914 } 915 case DctConstants.EVENT_PROVISIONING_APN_ALARM: { 916 if (DBG) log("EVENT_PROVISIONING_APN_ALARM"); 917 ApnContext apnCtx = mApnContexts.get("default"); 918 if (apnCtx.isProvisioningApn() && apnCtx.isConnectedOrConnecting()) { 919 if (mProvisioningApnAlarmTag == msg.arg1) { 920 if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Disconnecting"); 921 mIsProvisioning = false; 922 mProvisioningUrl = null; 923 stopProvisioningApnAlarm(); 924 sendCleanUpConnection(true, apnCtx); 925 } else { 926 if (DBG) { 927 log("EVENT_PROVISIONING_APN_ALARM: ignore stale tag," 928 + " mProvisioningApnAlarmTag:" + mProvisioningApnAlarmTag 929 + " != arg1:" + msg.arg1); 930 } 931 } 932 } else { 933 if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Not connected ignore"); 934 } 935 break; 936 } 937 case DctConstants.CMD_IS_PROVISIONING_APN: { 938 if (DBG) log("CMD_IS_PROVISIONING_APN"); 939 boolean isProvApn; 940 try { 941 String apnType = null; 942 Bundle bundle = msg.getData(); 943 if (bundle != null) { 944 apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 945 } 946 if (TextUtils.isEmpty(apnType)) { 947 loge("CMD_IS_PROVISIONING_APN: apnType is empty"); 948 isProvApn = false; 949 } else { 950 isProvApn = isProvisioningApn(apnType); 951 } 952 } catch (ClassCastException e) { 953 loge("CMD_IS_PROVISIONING_APN: NO provisioning url ignoring"); 954 isProvApn = false; 955 } 956 if (DBG) log("CMD_IS_PROVISIONING_APN: ret=" + isProvApn); 957 mReplyAc.replyToMessage(msg, DctConstants.CMD_IS_PROVISIONING_APN, 958 isProvApn ? DctConstants.ENABLED : DctConstants.DISABLED); 959 break; 960 } 961 case DctConstants.EVENT_ICC_CHANGED: { 962 onUpdateIcc(); 963 break; 964 } 965 case DctConstants.EVENT_RESTART_RADIO: { 966 restartRadio(); 967 break; 968 } 969 case DctConstants.CMD_NET_STAT_POLL: { 970 if (msg.arg1 == DctConstants.ENABLED) { 971 handleStartNetStatPoll((DctConstants.Activity)msg.obj); 972 } else if (msg.arg1 == DctConstants.DISABLED) { 973 handleStopNetStatPoll((DctConstants.Activity)msg.obj); 974 } 975 break; 976 } 977 default: 978 Rlog.e("DATA", "Unidentified event msg=" + msg); 979 break; 980 } 981 } 982 983 /** 984 * Report on whether data connectivity is enabled 985 * 986 * @return {@code false} if data connectivity has been explicitly disabled, 987 * {@code true} otherwise. 988 */ 989 public boolean getAnyDataEnabled() { 990 final boolean result; 991 synchronized (mDataEnabledLock) { 992 result = (mInternalDataEnabled && mUserDataEnabled && sPolicyDataEnabled 993 && (mEnabledCount != 0)); 994 } 995 if (!result && DBG) log("getAnyDataEnabled " + result); 996 return result; 997 } 998 999 protected boolean isEmergency() { 1000 final boolean result; 1001 synchronized (mDataEnabledLock) { 1002 result = mPhone.isInEcm() || mPhone.isInEmergencyCall(); 1003 } 1004 log("isEmergency: result=" + result); 1005 return result; 1006 } 1007 1008 protected int apnTypeToId(String type) { 1009 if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DEFAULT)) { 1010 return DctConstants.APN_DEFAULT_ID; 1011 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_MMS)) { 1012 return DctConstants.APN_MMS_ID; 1013 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_SUPL)) { 1014 return DctConstants.APN_SUPL_ID; 1015 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DUN)) { 1016 return DctConstants.APN_DUN_ID; 1017 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_HIPRI)) { 1018 return DctConstants.APN_HIPRI_ID; 1019 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IMS)) { 1020 return DctConstants.APN_IMS_ID; 1021 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_FOTA)) { 1022 return DctConstants.APN_FOTA_ID; 1023 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_CBS)) { 1024 return DctConstants.APN_CBS_ID; 1025 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IA)) { 1026 return DctConstants.APN_IA_ID; 1027 } else { 1028 return DctConstants.APN_INVALID_ID; 1029 } 1030 } 1031 1032 protected String apnIdToType(int id) { 1033 switch (id) { 1034 case DctConstants.APN_DEFAULT_ID: 1035 return PhoneConstants.APN_TYPE_DEFAULT; 1036 case DctConstants.APN_MMS_ID: 1037 return PhoneConstants.APN_TYPE_MMS; 1038 case DctConstants.APN_SUPL_ID: 1039 return PhoneConstants.APN_TYPE_SUPL; 1040 case DctConstants.APN_DUN_ID: 1041 return PhoneConstants.APN_TYPE_DUN; 1042 case DctConstants.APN_HIPRI_ID: 1043 return PhoneConstants.APN_TYPE_HIPRI; 1044 case DctConstants.APN_IMS_ID: 1045 return PhoneConstants.APN_TYPE_IMS; 1046 case DctConstants.APN_FOTA_ID: 1047 return PhoneConstants.APN_TYPE_FOTA; 1048 case DctConstants.APN_CBS_ID: 1049 return PhoneConstants.APN_TYPE_CBS; 1050 case DctConstants.APN_IA_ID: 1051 return PhoneConstants.APN_TYPE_IA; 1052 default: 1053 log("Unknown id (" + id + ") in apnIdToType"); 1054 return PhoneConstants.APN_TYPE_DEFAULT; 1055 } 1056 } 1057 1058 public LinkProperties getLinkProperties(String apnType) { 1059 int id = apnTypeToId(apnType); 1060 1061 if (isApnIdEnabled(id)) { 1062 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 1063 return dcac.getLinkPropertiesSync(); 1064 } else { 1065 return new LinkProperties(); 1066 } 1067 } 1068 1069 public NetworkCapabilities getNetworkCapabilities(String apnType) { 1070 int id = apnTypeToId(apnType); 1071 if (isApnIdEnabled(id)) { 1072 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 1073 return dcac.getNetworkCapabilitiesSync(); 1074 } else { 1075 return new NetworkCapabilities(); 1076 } 1077 } 1078 1079 // tell all active apns of the current condition 1080 protected void notifyDataConnection(String reason) { 1081 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 1082 if (mDataEnabled[id]) { 1083 mPhone.notifyDataConnection(reason, apnIdToType(id)); 1084 } 1085 } 1086 notifyOffApnsOfAvailability(reason); 1087 } 1088 1089 // a new APN has gone active and needs to send events to catch up with the 1090 // current condition 1091 private void notifyApnIdUpToCurrent(String reason, int apnId) { 1092 switch (mState) { 1093 case IDLE: 1094 break; 1095 case RETRYING: 1096 case CONNECTING: 1097 case SCANNING: 1098 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1099 PhoneConstants.DataState.CONNECTING); 1100 break; 1101 case CONNECTED: 1102 case DISCONNECTING: 1103 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1104 PhoneConstants.DataState.CONNECTING); 1105 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1106 PhoneConstants.DataState.CONNECTED); 1107 break; 1108 default: 1109 // Ignore 1110 break; 1111 } 1112 } 1113 1114 // since we normally don't send info to a disconnected APN, we need to do this specially 1115 private void notifyApnIdDisconnected(String reason, int apnId) { 1116 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1117 PhoneConstants.DataState.DISCONNECTED); 1118 } 1119 1120 // disabled apn's still need avail/unavail notificiations - send them out 1121 protected void notifyOffApnsOfAvailability(String reason) { 1122 if (DBG) log("notifyOffApnsOfAvailability - reason= " + reason); 1123 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 1124 if (!isApnIdEnabled(id)) { 1125 notifyApnIdDisconnected(reason, id); 1126 } 1127 } 1128 } 1129 1130 public boolean isApnTypeEnabled(String apnType) { 1131 if (apnType == null) { 1132 return false; 1133 } else { 1134 return isApnIdEnabled(apnTypeToId(apnType)); 1135 } 1136 } 1137 1138 protected synchronized boolean isApnIdEnabled(int id) { 1139 if (id != DctConstants.APN_INVALID_ID) { 1140 return mDataEnabled[id]; 1141 } 1142 return false; 1143 } 1144 1145 protected void setEnabled(int id, boolean enable) { 1146 if (DBG) { 1147 log("setEnabled(" + id + ", " + enable + ") with old state = " + mDataEnabled[id] 1148 + " and enabledCount = " + mEnabledCount); 1149 } 1150 Message msg = obtainMessage(DctConstants.EVENT_ENABLE_NEW_APN); 1151 msg.arg1 = id; 1152 msg.arg2 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1153 sendMessage(msg); 1154 } 1155 1156 protected void onEnableApn(int apnId, int enabled) { 1157 if (DBG) { 1158 log("EVENT_APN_ENABLE_REQUEST apnId=" + apnId + ", apnType=" + apnIdToType(apnId) + 1159 ", enabled=" + enabled + ", dataEnabled = " + mDataEnabled[apnId] + 1160 ", enabledCount = " + mEnabledCount + ", isApnTypeActive = " + 1161 isApnTypeActive(apnIdToType(apnId))); 1162 } 1163 if (enabled == DctConstants.ENABLED) { 1164 synchronized (this) { 1165 if (!mDataEnabled[apnId]) { 1166 mDataEnabled[apnId] = true; 1167 mEnabledCount++; 1168 } 1169 } 1170 String type = apnIdToType(apnId); 1171 if (!isApnTypeActive(type)) { 1172 mRequestedApnType = type; 1173 onEnableNewApn(); 1174 } else { 1175 notifyApnIdUpToCurrent(Phone.REASON_APN_SWITCHED, apnId); 1176 } 1177 } else { 1178 // disable 1179 boolean didDisable = false; 1180 synchronized (this) { 1181 if (mDataEnabled[apnId]) { 1182 mDataEnabled[apnId] = false; 1183 mEnabledCount--; 1184 didDisable = true; 1185 } 1186 } 1187 if (didDisable) { 1188 if ((mEnabledCount == 0) || (apnId == DctConstants.APN_DUN_ID)) { 1189 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1190 onCleanUpConnection(true, apnId, Phone.REASON_DATA_DISABLED); 1191 } 1192 1193 // send the disconnect msg manually, since the normal route wont send 1194 // it (it's not enabled) 1195 notifyApnIdDisconnected(Phone.REASON_DATA_DISABLED, apnId); 1196 if (mDataEnabled[DctConstants.APN_DEFAULT_ID] == true 1197 && !isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 1198 // TODO - this is an ugly way to restore the default conn - should be done 1199 // by a real contention manager and policy that disconnects the lower pri 1200 // stuff as enable requests come in and pops them back on as we disable back 1201 // down to the lower pri stuff 1202 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1203 onEnableNewApn(); 1204 } 1205 } 1206 } 1207 } 1208 1209 /** 1210 * Called when we switch APNs. 1211 * 1212 * mRequestedApnType is set prior to call 1213 * To be overridden. 1214 */ 1215 protected void onEnableNewApn() { 1216 } 1217 1218 /** 1219 * Called when EVENT_RESET_DONE is received so goto 1220 * IDLE state and send notifications to those interested. 1221 * 1222 * TODO - currently unused. Needs to be hooked into DataConnection cleanup 1223 * TODO - needs to pass some notion of which connection is reset.. 1224 */ 1225 protected void onResetDone(AsyncResult ar) { 1226 if (DBG) log("EVENT_RESET_DONE"); 1227 String reason = null; 1228 if (ar.userObj instanceof String) { 1229 reason = (String) ar.userObj; 1230 } 1231 gotoIdleAndNotifyDataConnection(reason); 1232 } 1233 1234 /** 1235 * Prevent mobile data connections from being established, or once again 1236 * allow mobile data connections. If the state toggles, then either tear 1237 * down or set up data, as appropriate to match the new state. 1238 * 1239 * @param enable indicates whether to enable ({@code true}) or disable ( 1240 * {@code false}) data 1241 * @return {@code true} if the operation succeeded 1242 */ 1243 public boolean setInternalDataEnabled(boolean enable) { 1244 if (DBG) 1245 log("setInternalDataEnabled(" + enable + ")"); 1246 1247 Message msg = obtainMessage(DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE); 1248 msg.arg1 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1249 sendMessage(msg); 1250 return true; 1251 } 1252 1253 protected void onSetInternalDataEnabled(boolean enabled) { 1254 synchronized (mDataEnabledLock) { 1255 mInternalDataEnabled = enabled; 1256 if (enabled) { 1257 log("onSetInternalDataEnabled: changed to enabled, try to setup data call"); 1258 onTrySetupData(Phone.REASON_DATA_ENABLED); 1259 } else { 1260 log("onSetInternalDataEnabled: changed to disabled, cleanUpAllConnections"); 1261 cleanUpAllConnections(null); 1262 } 1263 } 1264 } 1265 1266 public void cleanUpAllConnections(String cause) { 1267 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS); 1268 msg.obj = cause; 1269 sendMessage(msg); 1270 } 1271 1272 public abstract boolean isDisconnected(); 1273 1274 protected void onSetUserDataEnabled(boolean enabled) { 1275 synchronized (mDataEnabledLock) { 1276 final boolean prevEnabled = getAnyDataEnabled(); 1277 if (mUserDataEnabled != enabled) { 1278 mUserDataEnabled = enabled; 1279 Settings.Global.putInt(mPhone.getContext().getContentResolver(), 1280 Settings.Global.MOBILE_DATA, enabled ? 1 : 0); 1281 if (getDataOnRoamingEnabled() == false && 1282 mPhone.getServiceState().getRoaming() == true) { 1283 if (enabled) { 1284 notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); 1285 } else { 1286 notifyOffApnsOfAvailability(Phone.REASON_DATA_DISABLED); 1287 } 1288 } 1289 if (prevEnabled != getAnyDataEnabled()) { 1290 if (!prevEnabled) { 1291 onTrySetupData(Phone.REASON_DATA_ENABLED); 1292 } else { 1293 onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED); 1294 } 1295 } 1296 } 1297 } 1298 } 1299 1300 protected void onSetDependencyMet(String apnType, boolean met) { 1301 } 1302 1303 protected void onSetPolicyDataEnabled(boolean enabled) { 1304 synchronized (mDataEnabledLock) { 1305 final boolean prevEnabled = getAnyDataEnabled(); 1306 if (sPolicyDataEnabled != enabled) { 1307 sPolicyDataEnabled = enabled; 1308 if (prevEnabled != getAnyDataEnabled()) { 1309 if (!prevEnabled) { 1310 onTrySetupData(Phone.REASON_DATA_ENABLED); 1311 } else { 1312 onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED); 1313 } 1314 } 1315 } 1316 } 1317 } 1318 1319 protected String getReryConfig(boolean forDefault) { 1320 int nt = mPhone.getServiceState().getNetworkType(); 1321 1322 if ((nt == TelephonyManager.NETWORK_TYPE_CDMA) || 1323 (nt == TelephonyManager.NETWORK_TYPE_1xRTT) || 1324 (nt == TelephonyManager.NETWORK_TYPE_EVDO_0) || 1325 (nt == TelephonyManager.NETWORK_TYPE_EVDO_A) || 1326 (nt == TelephonyManager.NETWORK_TYPE_EVDO_B) || 1327 (nt == TelephonyManager.NETWORK_TYPE_EHRPD)) { 1328 // CDMA variant 1329 return SystemProperties.get("ro.cdma.data_retry_config"); 1330 } else { 1331 // Use GSM varient for all others. 1332 if (forDefault) { 1333 return SystemProperties.get("ro.gsm.data_retry_config"); 1334 } else { 1335 return SystemProperties.get("ro.gsm.2nd_data_retry_config"); 1336 } 1337 } 1338 } 1339 1340 protected void resetPollStats() { 1341 mTxPkts = -1; 1342 mRxPkts = -1; 1343 mNetStatPollPeriod = POLL_NETSTAT_MILLIS; 1344 } 1345 1346 protected abstract DctConstants.State getOverallState(); 1347 1348 void startNetStatPoll() { 1349 if (getOverallState() == DctConstants.State.CONNECTED 1350 && mNetStatPollEnabled == false) { 1351 if (DBG) { 1352 log("startNetStatPoll"); 1353 } 1354 resetPollStats(); 1355 mNetStatPollEnabled = true; 1356 mPollNetStat.run(); 1357 } 1358 } 1359 1360 void stopNetStatPoll() { 1361 mNetStatPollEnabled = false; 1362 removeCallbacks(mPollNetStat); 1363 if (DBG) { 1364 log("stopNetStatPoll"); 1365 } 1366 } 1367 1368 public void sendStartNetStatPoll(DctConstants.Activity activity) { 1369 Message msg = obtainMessage(DctConstants.CMD_NET_STAT_POLL); 1370 msg.arg1 = DctConstants.ENABLED; 1371 msg.obj = activity; 1372 sendMessage(msg); 1373 } 1374 1375 protected void handleStartNetStatPoll(DctConstants.Activity activity) { 1376 startNetStatPoll(); 1377 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 1378 setActivity(activity); 1379 } 1380 1381 public void sendStopNetStatPoll(DctConstants.Activity activity) { 1382 Message msg = obtainMessage(DctConstants.CMD_NET_STAT_POLL); 1383 msg.arg1 = DctConstants.DISABLED; 1384 msg.obj = activity; 1385 sendMessage(msg); 1386 } 1387 1388 protected void handleStopNetStatPoll(DctConstants.Activity activity) { 1389 stopNetStatPoll(); 1390 stopDataStallAlarm(); 1391 setActivity(activity); 1392 } 1393 1394 public void updateDataActivity() { 1395 long sent, received; 1396 1397 DctConstants.Activity newActivity; 1398 1399 TxRxSum preTxRxSum = new TxRxSum(mTxPkts, mRxPkts); 1400 TxRxSum curTxRxSum = new TxRxSum(); 1401 curTxRxSum.updateTxRxSum(); 1402 mTxPkts = curTxRxSum.txPkts; 1403 mRxPkts = curTxRxSum.rxPkts; 1404 1405 if (VDBG) { 1406 log("updateDataActivity: curTxRxSum=" + curTxRxSum + " preTxRxSum=" + preTxRxSum); 1407 } 1408 1409 if (mNetStatPollEnabled && (preTxRxSum.txPkts > 0 || preTxRxSum.rxPkts > 0)) { 1410 sent = mTxPkts - preTxRxSum.txPkts; 1411 received = mRxPkts - preTxRxSum.rxPkts; 1412 1413 if (VDBG) 1414 log("updateDataActivity: sent=" + sent + " received=" + received); 1415 if (sent > 0 && received > 0) { 1416 newActivity = DctConstants.Activity.DATAINANDOUT; 1417 } else if (sent > 0 && received == 0) { 1418 newActivity = DctConstants.Activity.DATAOUT; 1419 } else if (sent == 0 && received > 0) { 1420 newActivity = DctConstants.Activity.DATAIN; 1421 } else { 1422 newActivity = (mActivity == DctConstants.Activity.DORMANT) ? 1423 mActivity : DctConstants.Activity.NONE; 1424 } 1425 1426 if (mActivity != newActivity && mIsScreenOn) { 1427 if (VDBG) 1428 log("updateDataActivity: newActivity=" + newActivity); 1429 mActivity = newActivity; 1430 mPhone.notifyDataActivity(); 1431 } 1432 } 1433 } 1434 1435 // Recovery action taken in case of data stall 1436 protected static class RecoveryAction { 1437 public static final int GET_DATA_CALL_LIST = 0; 1438 public static final int CLEANUP = 1; 1439 public static final int REREGISTER = 2; 1440 public static final int RADIO_RESTART = 3; 1441 public static final int RADIO_RESTART_WITH_PROP = 4; 1442 1443 private static boolean isAggressiveRecovery(int value) { 1444 return ((value == RecoveryAction.CLEANUP) || 1445 (value == RecoveryAction.REREGISTER) || 1446 (value == RecoveryAction.RADIO_RESTART) || 1447 (value == RecoveryAction.RADIO_RESTART_WITH_PROP)); 1448 } 1449 } 1450 1451 public int getRecoveryAction() { 1452 int action = Settings.System.getInt(mPhone.getContext().getContentResolver(), 1453 "radio.data.stall.recovery.action", RecoveryAction.GET_DATA_CALL_LIST); 1454 if (VDBG_STALL) log("getRecoveryAction: " + action); 1455 return action; 1456 } 1457 public void putRecoveryAction(int action) { 1458 Settings.System.putInt(mPhone.getContext().getContentResolver(), 1459 "radio.data.stall.recovery.action", action); 1460 if (VDBG_STALL) log("putRecoveryAction: " + action); 1461 } 1462 1463 protected boolean isConnected() { 1464 return false; 1465 } 1466 1467 protected void doRecovery() { 1468 if (getOverallState() == DctConstants.State.CONNECTED) { 1469 // Go through a series of recovery steps, each action transitions to the next action 1470 int recoveryAction = getRecoveryAction(); 1471 switch (recoveryAction) { 1472 case RecoveryAction.GET_DATA_CALL_LIST: 1473 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_GET_DATA_CALL_LIST, 1474 mSentSinceLastRecv); 1475 if (DBG) log("doRecovery() get data call list"); 1476 mPhone.mCi.getDataCallList(obtainMessage(DctConstants.EVENT_DATA_STATE_CHANGED)); 1477 putRecoveryAction(RecoveryAction.CLEANUP); 1478 break; 1479 case RecoveryAction.CLEANUP: 1480 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_CLEANUP, mSentSinceLastRecv); 1481 if (DBG) log("doRecovery() cleanup all connections"); 1482 cleanUpAllConnections(Phone.REASON_PDP_RESET); 1483 putRecoveryAction(RecoveryAction.REREGISTER); 1484 break; 1485 case RecoveryAction.REREGISTER: 1486 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_REREGISTER, 1487 mSentSinceLastRecv); 1488 if (DBG) log("doRecovery() re-register"); 1489 mPhone.getServiceStateTracker().reRegisterNetwork(null); 1490 putRecoveryAction(RecoveryAction.RADIO_RESTART); 1491 break; 1492 case RecoveryAction.RADIO_RESTART: 1493 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART, 1494 mSentSinceLastRecv); 1495 if (DBG) log("restarting radio"); 1496 putRecoveryAction(RecoveryAction.RADIO_RESTART_WITH_PROP); 1497 restartRadio(); 1498 break; 1499 case RecoveryAction.RADIO_RESTART_WITH_PROP: 1500 // This is in case radio restart has not recovered the data. 1501 // It will set an additional "gsm.radioreset" property to tell 1502 // RIL or system to take further action. 1503 // The implementation of hard reset recovery action is up to OEM product. 1504 // Once RADIO_RESET property is consumed, it is expected to set back 1505 // to false by RIL. 1506 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART_WITH_PROP, -1); 1507 if (DBG) log("restarting radio with gsm.radioreset to true"); 1508 SystemProperties.set(RADIO_RESET_PROPERTY, "true"); 1509 // give 1 sec so property change can be notified. 1510 try { 1511 Thread.sleep(1000); 1512 } catch (InterruptedException e) {} 1513 restartRadio(); 1514 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1515 break; 1516 default: 1517 throw new RuntimeException("doRecovery: Invalid recoveryAction=" + 1518 recoveryAction); 1519 } 1520 mSentSinceLastRecv = 0; 1521 } 1522 } 1523 1524 private void updateDataStallInfo() { 1525 long sent, received; 1526 1527 TxRxSum preTxRxSum = new TxRxSum(mDataStallTxRxSum); 1528 mDataStallTxRxSum.updateTxRxSum(); 1529 1530 if (VDBG_STALL) { 1531 log("updateDataStallInfo: mDataStallTxRxSum=" + mDataStallTxRxSum + 1532 " preTxRxSum=" + preTxRxSum); 1533 } 1534 1535 sent = mDataStallTxRxSum.txPkts - preTxRxSum.txPkts; 1536 received = mDataStallTxRxSum.rxPkts - preTxRxSum.rxPkts; 1537 1538 if (RADIO_TESTS) { 1539 if (SystemProperties.getBoolean("radio.test.data.stall", false)) { 1540 log("updateDataStallInfo: radio.test.data.stall true received = 0;"); 1541 received = 0; 1542 } 1543 } 1544 if ( sent > 0 && received > 0 ) { 1545 if (VDBG_STALL) log("updateDataStallInfo: IN/OUT"); 1546 mSentSinceLastRecv = 0; 1547 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1548 } else if (sent > 0 && received == 0) { 1549 if (mPhone.getState() == PhoneConstants.State.IDLE) { 1550 mSentSinceLastRecv += sent; 1551 } else { 1552 mSentSinceLastRecv = 0; 1553 } 1554 if (DBG) { 1555 log("updateDataStallInfo: OUT sent=" + sent + 1556 " mSentSinceLastRecv=" + mSentSinceLastRecv); 1557 } 1558 } else if (sent == 0 && received > 0) { 1559 if (VDBG_STALL) log("updateDataStallInfo: IN"); 1560 mSentSinceLastRecv = 0; 1561 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1562 } else { 1563 if (VDBG_STALL) log("updateDataStallInfo: NONE"); 1564 } 1565 } 1566 1567 protected void onDataStallAlarm(int tag) { 1568 if (mDataStallAlarmTag != tag) { 1569 if (DBG) { 1570 log("onDataStallAlarm: ignore, tag=" + tag + " expecting " + mDataStallAlarmTag); 1571 } 1572 return; 1573 } 1574 updateDataStallInfo(); 1575 1576 int hangWatchdogTrigger = Settings.Global.getInt(mResolver, 1577 Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT, 1578 NUMBER_SENT_PACKETS_OF_HANG); 1579 1580 boolean suspectedStall = DATA_STALL_NOT_SUSPECTED; 1581 if (mSentSinceLastRecv >= hangWatchdogTrigger) { 1582 if (DBG) { 1583 log("onDataStallAlarm: tag=" + tag + " do recovery action=" + getRecoveryAction()); 1584 } 1585 suspectedStall = DATA_STALL_SUSPECTED; 1586 sendMessage(obtainMessage(DctConstants.EVENT_DO_RECOVERY)); 1587 } else { 1588 if (VDBG_STALL) { 1589 log("onDataStallAlarm: tag=" + tag + " Sent " + String.valueOf(mSentSinceLastRecv) + 1590 " pkts since last received, < watchdogTrigger=" + hangWatchdogTrigger); 1591 } 1592 } 1593 startDataStallAlarm(suspectedStall); 1594 } 1595 1596 protected void startDataStallAlarm(boolean suspectedStall) { 1597 int nextAction = getRecoveryAction(); 1598 int delayInMs; 1599 1600 if (mDataStallDetectionEnabled && getOverallState() == DctConstants.State.CONNECTED) { 1601 // If screen is on or data stall is currently suspected, set the alarm 1602 // with an aggresive timeout. 1603 if (mIsScreenOn || suspectedStall || RecoveryAction.isAggressiveRecovery(nextAction)) { 1604 delayInMs = Settings.Global.getInt(mResolver, 1605 Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS, 1606 DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1607 } else { 1608 delayInMs = Settings.Global.getInt(mResolver, 1609 Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS, 1610 DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1611 } 1612 1613 mDataStallAlarmTag += 1; 1614 if (VDBG_STALL) { 1615 log("startDataStallAlarm: tag=" + mDataStallAlarmTag + 1616 " delay=" + (delayInMs / 1000) + "s"); 1617 } 1618 Intent intent = new Intent(INTENT_DATA_STALL_ALARM); 1619 intent.putExtra(DATA_STALL_ALARM_TAG_EXTRA, mDataStallAlarmTag); 1620 mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1621 PendingIntent.FLAG_UPDATE_CURRENT); 1622 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1623 SystemClock.elapsedRealtime() + delayInMs, mDataStallAlarmIntent); 1624 } else { 1625 if (VDBG_STALL) { 1626 log("startDataStallAlarm: NOT started, no connection tag=" + mDataStallAlarmTag); 1627 } 1628 } 1629 } 1630 1631 protected void stopDataStallAlarm() { 1632 if (VDBG_STALL) { 1633 log("stopDataStallAlarm: current tag=" + mDataStallAlarmTag + 1634 " mDataStallAlarmIntent=" + mDataStallAlarmIntent); 1635 } 1636 mDataStallAlarmTag += 1; 1637 if (mDataStallAlarmIntent != null) { 1638 mAlarmManager.cancel(mDataStallAlarmIntent); 1639 mDataStallAlarmIntent = null; 1640 } 1641 } 1642 1643 protected void restartDataStallAlarm() { 1644 if (isConnected() == false) return; 1645 // To be called on screen status change. 1646 // Do not cancel the alarm if it is set with aggressive timeout. 1647 int nextAction = getRecoveryAction(); 1648 1649 if (RecoveryAction.isAggressiveRecovery(nextAction)) { 1650 if (DBG) log("restartDataStallAlarm: action is pending. not resetting the alarm."); 1651 return; 1652 } 1653 if (VDBG_STALL) log("restartDataStallAlarm: stop then start."); 1654 stopDataStallAlarm(); 1655 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 1656 } 1657 1658 protected void setInitialAttachApn() { 1659 ApnSetting iaApnSetting = null; 1660 ApnSetting defaultApnSetting = null; 1661 ApnSetting firstApnSetting = null; 1662 1663 log("setInitialApn: E mPreferredApn=" + mPreferredApn); 1664 1665 if (mAllApnSettings != null && !mAllApnSettings.isEmpty()) { 1666 firstApnSetting = mAllApnSettings.get(0); 1667 log("setInitialApn: firstApnSetting=" + firstApnSetting); 1668 1669 // Search for Initial APN setting and the first apn that can handle default 1670 for (ApnSetting apn : mAllApnSettings) { 1671 // Can't use apn.canHandleType(), as that returns true for APNs that have no type. 1672 if (ArrayUtils.contains(apn.types, PhoneConstants.APN_TYPE_IA)) { 1673 // The Initial Attach APN is highest priority so use it if there is one 1674 log("setInitialApn: iaApnSetting=" + apn); 1675 iaApnSetting = apn; 1676 break; 1677 } else if ((defaultApnSetting == null) 1678 && (apn.canHandleType(PhoneConstants.APN_TYPE_DEFAULT))) { 1679 // Use the first default apn if no better choice 1680 log("setInitialApn: defaultApnSetting=" + apn); 1681 defaultApnSetting = apn; 1682 } 1683 } 1684 } 1685 1686 // The priority of apn candidates from highest to lowest is: 1687 // 1) APN_TYPE_IA (Inital Attach) 1688 // 2) mPreferredApn, i.e. the current preferred apn 1689 // 3) The first apn that than handle APN_TYPE_DEFAULT 1690 // 4) The first APN we can find. 1691 1692 ApnSetting initialAttachApnSetting = null; 1693 if (iaApnSetting != null) { 1694 if (DBG) log("setInitialAttachApn: using iaApnSetting"); 1695 initialAttachApnSetting = iaApnSetting; 1696 } else if (mPreferredApn != null) { 1697 if (DBG) log("setInitialAttachApn: using mPreferredApn"); 1698 initialAttachApnSetting = mPreferredApn; 1699 } else if (defaultApnSetting != null) { 1700 if (DBG) log("setInitialAttachApn: using defaultApnSetting"); 1701 initialAttachApnSetting = defaultApnSetting; 1702 } else if (firstApnSetting != null) { 1703 if (DBG) log("setInitialAttachApn: using firstApnSetting"); 1704 initialAttachApnSetting = firstApnSetting; 1705 } 1706 1707 if (initialAttachApnSetting == null) { 1708 if (DBG) log("setInitialAttachApn: X There in no available apn"); 1709 } else { 1710 if (DBG) log("setInitialAttachApn: X selected Apn=" + initialAttachApnSetting); 1711 1712 mPhone.mCi.setInitialAttachApn(initialAttachApnSetting.apn, 1713 initialAttachApnSetting.protocol, initialAttachApnSetting.authType, 1714 initialAttachApnSetting.user, initialAttachApnSetting.password, null); 1715 } 1716 } 1717 1718 protected void onActionIntentProvisioningApnAlarm(Intent intent) { 1719 if (DBG) log("onActionIntentProvisioningApnAlarm: action=" + intent.getAction()); 1720 Message msg = obtainMessage(DctConstants.EVENT_PROVISIONING_APN_ALARM, 1721 intent.getAction()); 1722 msg.arg1 = intent.getIntExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, 0); 1723 sendMessage(msg); 1724 } 1725 1726 protected void startProvisioningApnAlarm() { 1727 int delayInMs = Settings.Global.getInt(mResolver, 1728 Settings.Global.PROVISIONING_APN_ALARM_DELAY_IN_MS, 1729 PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT); 1730 if (Build.IS_DEBUGGABLE) { 1731 // Allow debug code to use a system property to provide another value 1732 String delayInMsStrg = Integer.toString(delayInMs); 1733 delayInMsStrg = System.getProperty(DEBUG_PROV_APN_ALARM, delayInMsStrg); 1734 try { 1735 delayInMs = Integer.parseInt(delayInMsStrg); 1736 } catch (NumberFormatException e) { 1737 loge("startProvisioningApnAlarm: e=" + e); 1738 } 1739 } 1740 mProvisioningApnAlarmTag += 1; 1741 if (DBG) { 1742 log("startProvisioningApnAlarm: tag=" + mProvisioningApnAlarmTag + 1743 " delay=" + (delayInMs / 1000) + "s"); 1744 } 1745 Intent intent = new Intent(INTENT_PROVISIONING_APN_ALARM); 1746 intent.putExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, mProvisioningApnAlarmTag); 1747 mProvisioningApnAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1748 PendingIntent.FLAG_UPDATE_CURRENT); 1749 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1750 SystemClock.elapsedRealtime() + delayInMs, mProvisioningApnAlarmIntent); 1751 } 1752 1753 protected void stopProvisioningApnAlarm() { 1754 if (DBG) { 1755 log("stopProvisioningApnAlarm: current tag=" + mProvisioningApnAlarmTag + 1756 " mProvsioningApnAlarmIntent=" + mProvisioningApnAlarmIntent); 1757 } 1758 mProvisioningApnAlarmTag += 1; 1759 if (mProvisioningApnAlarmIntent != null) { 1760 mAlarmManager.cancel(mProvisioningApnAlarmIntent); 1761 mProvisioningApnAlarmIntent = null; 1762 } 1763 } 1764 1765 void sendCleanUpConnection(boolean tearDown, ApnContext apnContext) { 1766 if (DBG)log("sendCleanUpConnection: tearDown=" + tearDown + " apnContext=" + apnContext); 1767 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_CONNECTION); 1768 msg.arg1 = tearDown ? 1 : 0; 1769 msg.arg2 = 0; 1770 msg.obj = apnContext; 1771 sendMessage(msg); 1772 } 1773 1774 void sendRestartRadio() { 1775 if (DBG)log("sendRestartRadio:"); 1776 Message msg = obtainMessage(DctConstants.EVENT_RESTART_RADIO); 1777 sendMessage(msg); 1778 } 1779 1780 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1781 pw.println("DataConnectionTrackerBase:"); 1782 pw.println(" RADIO_TESTS=" + RADIO_TESTS); 1783 pw.println(" mInternalDataEnabled=" + mInternalDataEnabled); 1784 pw.println(" mUserDataEnabled=" + mUserDataEnabled); 1785 pw.println(" sPolicyDataEnabed=" + sPolicyDataEnabled); 1786 pw.println(" mDataEnabled:"); 1787 for(int i=0; i < mDataEnabled.length; i++) { 1788 pw.printf(" mDataEnabled[%d]=%b\n", i, mDataEnabled[i]); 1789 } 1790 pw.flush(); 1791 pw.println(" mEnabledCount=" + mEnabledCount); 1792 pw.println(" mRequestedApnType=" + mRequestedApnType); 1793 pw.println(" mPhone=" + mPhone.getPhoneName()); 1794 pw.println(" mActivity=" + mActivity); 1795 pw.println(" mState=" + mState); 1796 pw.println(" mTxPkts=" + mTxPkts); 1797 pw.println(" mRxPkts=" + mRxPkts); 1798 pw.println(" mNetStatPollPeriod=" + mNetStatPollPeriod); 1799 pw.println(" mNetStatPollEnabled=" + mNetStatPollEnabled); 1800 pw.println(" mDataStallTxRxSum=" + mDataStallTxRxSum); 1801 pw.println(" mDataStallAlarmTag=" + mDataStallAlarmTag); 1802 pw.println(" mDataStallDetectionEanbled=" + mDataStallDetectionEnabled); 1803 pw.println(" mSentSinceLastRecv=" + mSentSinceLastRecv); 1804 pw.println(" mNoRecvPollCount=" + mNoRecvPollCount); 1805 pw.println(" mResolver=" + mResolver); 1806 pw.println(" mIsWifiConnected=" + mIsWifiConnected); 1807 pw.println(" mReconnectIntent=" + mReconnectIntent); 1808 pw.println(" mCidActive=" + mCidActive); 1809 pw.println(" mAutoAttachOnCreation=" + mAutoAttachOnCreation); 1810 pw.println(" mIsScreenOn=" + mIsScreenOn); 1811 pw.println(" mUniqueIdGenerator=" + mUniqueIdGenerator); 1812 pw.flush(); 1813 pw.println(" ***************************************"); 1814 DcController dcc = mDcc; 1815 if (dcc != null) { 1816 dcc.dump(fd, pw, args); 1817 } else { 1818 pw.println(" mDcc=null"); 1819 } 1820 pw.println(" ***************************************"); 1821 HashMap<Integer, DataConnection> dcs = mDataConnections; 1822 if (dcs != null) { 1823 Set<Entry<Integer, DataConnection> > mDcSet = mDataConnections.entrySet(); 1824 pw.println(" mDataConnections: count=" + mDcSet.size()); 1825 for (Entry<Integer, DataConnection> entry : mDcSet) { 1826 pw.printf(" *** mDataConnection[%d] \n", entry.getKey()); 1827 entry.getValue().dump(fd, pw, args); 1828 } 1829 } else { 1830 pw.println("mDataConnections=null"); 1831 } 1832 pw.println(" ***************************************"); 1833 pw.flush(); 1834 HashMap<String, Integer> apnToDcId = mApnToDataConnectionId; 1835 if (apnToDcId != null) { 1836 Set<Entry<String, Integer>> apnToDcIdSet = apnToDcId.entrySet(); 1837 pw.println(" mApnToDataConnectonId size=" + apnToDcIdSet.size()); 1838 for (Entry<String, Integer> entry : apnToDcIdSet) { 1839 pw.printf(" mApnToDataConnectonId[%s]=%d\n", entry.getKey(), entry.getValue()); 1840 } 1841 } else { 1842 pw.println("mApnToDataConnectionId=null"); 1843 } 1844 pw.println(" ***************************************"); 1845 pw.flush(); 1846 ConcurrentHashMap<String, ApnContext> apnCtxs = mApnContexts; 1847 if (apnCtxs != null) { 1848 Set<Entry<String, ApnContext>> apnCtxsSet = apnCtxs.entrySet(); 1849 pw.println(" mApnContexts size=" + apnCtxsSet.size()); 1850 for (Entry<String, ApnContext> entry : apnCtxsSet) { 1851 entry.getValue().dump(fd, pw, args); 1852 } 1853 pw.println(" ***************************************"); 1854 } else { 1855 pw.println(" mApnContexts=null"); 1856 } 1857 pw.flush(); 1858 pw.println(" mActiveApn=" + mActiveApn); 1859 ArrayList<ApnSetting> apnSettings = mAllApnSettings; 1860 if (apnSettings != null) { 1861 pw.println(" mAllApnSettings size=" + apnSettings.size()); 1862 for (int i=0; i < apnSettings.size(); i++) { 1863 pw.printf(" mAllApnSettings[%d]: %s\n", i, apnSettings.get(i)); 1864 } 1865 pw.flush(); 1866 } else { 1867 pw.println(" mAllApnSettings=null"); 1868 } 1869 pw.println(" mPreferredApn=" + mPreferredApn); 1870 pw.println(" mIsPsRestricted=" + mIsPsRestricted); 1871 pw.println(" mIsDisposed=" + mIsDisposed); 1872 pw.println(" mIntentReceiver=" + mIntentReceiver); 1873 pw.println(" mDataRoamingSettingObserver=" + mDataRoamingSettingObserver); 1874 pw.flush(); 1875 } 1876} 1877