DcTrackerBase.java revision 45a6dd79c6a54f90fd3737cdf9434fe68cf65f14
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 void setActivity(DctConstants.Activity activity) { 599 log("setActivity = " + activity); 600 mActivity = activity; 601 mPhone.notifyDataActivity(); 602 } 603 604 public boolean isApnTypeActive(String type) { 605 // TODO: support simultaneous with List instead 606 if (PhoneConstants.APN_TYPE_DUN.equals(type)) { 607 ApnSetting dunApn = fetchDunApn(); 608 if (dunApn != null) { 609 return ((mActiveApn != null) && (dunApn.toString().equals(mActiveApn.toString()))); 610 } 611 } 612 return mActiveApn != null && mActiveApn.canHandleType(type); 613 } 614 615 protected ApnSetting fetchDunApn() { 616 if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) { 617 log("fetchDunApn: net.tethering.noprovisioning=true ret: null"); 618 return null; 619 } 620 Context c = mPhone.getContext(); 621 String apnData = Settings.Global.getString(c.getContentResolver(), 622 Settings.Global.TETHER_DUN_APN); 623 ApnSetting dunSetting = ApnSetting.fromString(apnData); 624 if (dunSetting != null) { 625 IccRecords r = mIccRecords.get(); 626 String operator = (r != null) ? r.getOperatorNumeric() : ""; 627 if (dunSetting.numeric.equals(operator)) { 628 if (VDBG) log("fetchDunApn: global TETHER_DUN_APN dunSetting=" + dunSetting); 629 return dunSetting; 630 } 631 } 632 633 apnData = c.getResources().getString(R.string.config_tether_apndata); 634 dunSetting = ApnSetting.fromString(apnData); 635 if (VDBG) log("fetchDunApn: config_tether_apndata dunSetting=" + dunSetting); 636 return dunSetting; 637 } 638 639 public String[] getActiveApnTypes() { 640 String[] result; 641 if (mActiveApn != null) { 642 result = mActiveApn.types; 643 } else { 644 result = new String[1]; 645 result[0] = PhoneConstants.APN_TYPE_DEFAULT; 646 } 647 return result; 648 } 649 650 /** TODO: See if we can remove */ 651 public String getActiveApnString(String apnType) { 652 String result = null; 653 if (mActiveApn != null) { 654 result = mActiveApn.apn; 655 } 656 return result; 657 } 658 659 /** 660 * Modify {@link android.provider.Settings.Global#DATA_ROAMING} value. 661 */ 662 public void setDataOnRoamingEnabled(boolean enabled) { 663 if (getDataOnRoamingEnabled() != enabled) { 664 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 665 Settings.Global.putInt(resolver, Settings.Global.DATA_ROAMING, enabled ? 1 : 0); 666 // will trigger handleDataOnRoamingChange() through observer 667 } 668 } 669 670 /** 671 * Return current {@link android.provider.Settings.Global#DATA_ROAMING} value. 672 */ 673 public boolean getDataOnRoamingEnabled() { 674 try { 675 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 676 return Settings.Global.getInt(resolver, Settings.Global.DATA_ROAMING) != 0; 677 } catch (SettingNotFoundException snfe) { 678 return false; 679 } 680 } 681 682 // abstract methods 683 protected abstract void restartRadio(); 684 protected abstract void log(String s); 685 protected abstract void loge(String s); 686 protected abstract boolean isDataAllowed(); 687 protected abstract boolean isApnTypeAvailable(String type); 688 public abstract DctConstants.State getState(String apnType); 689 protected abstract boolean isProvisioningApn(String apnType); 690 protected abstract void setState(DctConstants.State s); 691 protected abstract void gotoIdleAndNotifyDataConnection(String reason); 692 693 protected abstract boolean onTrySetupData(String reason); 694 protected abstract void onRoamingOff(); 695 protected abstract void onRoamingOn(); 696 protected abstract void onRadioAvailable(); 697 protected abstract void onRadioOffOrNotAvailable(); 698 protected abstract void onDataSetupComplete(AsyncResult ar); 699 protected abstract void onDataSetupCompleteError(AsyncResult ar); 700 protected abstract void onDisconnectDone(int connId, AsyncResult ar); 701 protected abstract void onDisconnectDcRetrying(int connId, AsyncResult ar); 702 protected abstract void onVoiceCallStarted(); 703 protected abstract void onVoiceCallEnded(); 704 protected abstract void onCleanUpConnection(boolean tearDown, int apnId, String reason); 705 protected abstract void onCleanUpAllConnections(String cause); 706 public abstract boolean isDataPossible(String apnType); 707 protected abstract void onUpdateIcc(); 708 protected abstract void completeConnection(ApnContext apnContext); 709 710 @Override 711 public void handleMessage(Message msg) { 712 switch (msg.what) { 713 case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { 714 log("DISCONNECTED_CONNECTED: msg=" + msg); 715 DcAsyncChannel dcac = (DcAsyncChannel) msg.obj; 716 mDataConnectionAcHashMap.remove(dcac.getDataConnectionIdSync()); 717 dcac.disconnected(); 718 break; 719 } 720 case DctConstants.EVENT_ENABLE_NEW_APN: 721 onEnableApn(msg.arg1, msg.arg2); 722 break; 723 724 case DctConstants.EVENT_TRY_SETUP_DATA: 725 String reason = null; 726 if (msg.obj instanceof String) { 727 reason = (String) msg.obj; 728 } 729 onTrySetupData(reason); 730 break; 731 732 case DctConstants.EVENT_DATA_STALL_ALARM: 733 onDataStallAlarm(msg.arg1); 734 break; 735 736 case DctConstants.EVENT_ROAMING_OFF: 737 onRoamingOff(); 738 break; 739 740 case DctConstants.EVENT_ROAMING_ON: 741 onRoamingOn(); 742 break; 743 744 case DctConstants.EVENT_RADIO_AVAILABLE: 745 onRadioAvailable(); 746 break; 747 748 case DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE: 749 onRadioOffOrNotAvailable(); 750 break; 751 752 case DctConstants.EVENT_DATA_SETUP_COMPLETE: 753 mCidActive = msg.arg1; 754 onDataSetupComplete((AsyncResult) msg.obj); 755 break; 756 757 case DctConstants.EVENT_DATA_SETUP_COMPLETE_ERROR: 758 onDataSetupCompleteError((AsyncResult) msg.obj); 759 break; 760 761 case DctConstants.EVENT_DISCONNECT_DONE: 762 log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DONE msg=" + msg); 763 onDisconnectDone(msg.arg1, (AsyncResult) msg.obj); 764 break; 765 766 case DctConstants.EVENT_DISCONNECT_DC_RETRYING: 767 log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DC_RETRYING msg=" + msg); 768 onDisconnectDcRetrying(msg.arg1, (AsyncResult) msg.obj); 769 break; 770 771 case DctConstants.EVENT_VOICE_CALL_STARTED: 772 onVoiceCallStarted(); 773 break; 774 775 case DctConstants.EVENT_VOICE_CALL_ENDED: 776 onVoiceCallEnded(); 777 break; 778 779 case DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS: { 780 onCleanUpAllConnections((String) msg.obj); 781 break; 782 } 783 case DctConstants.EVENT_CLEAN_UP_CONNECTION: { 784 boolean tearDown = (msg.arg1 == 0) ? false : true; 785 onCleanUpConnection(tearDown, msg.arg2, (String) msg.obj); 786 break; 787 } 788 case DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE: { 789 boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 790 onSetInternalDataEnabled(enabled); 791 break; 792 } 793 case DctConstants.EVENT_RESET_DONE: { 794 if (DBG) log("EVENT_RESET_DONE"); 795 onResetDone((AsyncResult) msg.obj); 796 break; 797 } 798 case DctConstants.CMD_SET_USER_DATA_ENABLE: { 799 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 800 if (DBG) log("CMD_SET_USER_DATA_ENABLE enabled=" + enabled); 801 onSetUserDataEnabled(enabled); 802 break; 803 } 804 case DctConstants.CMD_SET_DEPENDENCY_MET: { 805 boolean met = (msg.arg1 == DctConstants.ENABLED) ? true : false; 806 if (DBG) log("CMD_SET_DEPENDENCY_MET met=" + met); 807 Bundle bundle = msg.getData(); 808 if (bundle != null) { 809 String apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 810 if (apnType != null) { 811 onSetDependencyMet(apnType, met); 812 } 813 } 814 break; 815 } 816 case DctConstants.CMD_SET_POLICY_DATA_ENABLE: { 817 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 818 onSetPolicyDataEnabled(enabled); 819 break; 820 } 821 case DctConstants.CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: { 822 sEnableFailFastRefCounter += (msg.arg1 == DctConstants.ENABLED) ? 1 : -1; 823 if (DBG) { 824 log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " 825 + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); 826 } 827 if (sEnableFailFastRefCounter < 0) { 828 final String s = "CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " 829 + "sEnableFailFastRefCounter:" + sEnableFailFastRefCounter + " < 0"; 830 loge(s); 831 sEnableFailFastRefCounter = 0; 832 } 833 final boolean enabled = sEnableFailFastRefCounter > 0; 834 if (DBG) { 835 log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: enabled=" + enabled 836 + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); 837 } 838 if (mFailFast != enabled) { 839 mFailFast = enabled; 840 mDataStallDetectionEnabled = !enabled; 841 if (mDataStallDetectionEnabled 842 && (getOverallState() == DctConstants.State.CONNECTED) 843 && (!mInVoiceCall || 844 mPhone.getServiceStateTracker() 845 .isConcurrentVoiceAndDataAllowed())) { 846 if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: start data stall"); 847 stopDataStallAlarm(); 848 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 849 } else { 850 if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: stop data stall"); 851 stopDataStallAlarm(); 852 } 853 } 854 855 break; 856 } 857 case DctConstants.CMD_ENABLE_MOBILE_PROVISIONING: { 858 Bundle bundle = msg.getData(); 859 if (bundle != null) { 860 try { 861 mProvisioningUrl = (String)bundle.get(DctConstants.PROVISIONING_URL_KEY); 862 } catch(ClassCastException e) { 863 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url not a string" + e); 864 mProvisioningUrl = null; 865 } 866 } 867 if (TextUtils.isEmpty(mProvisioningUrl)) { 868 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url is empty, ignoring"); 869 mIsProvisioning = false; 870 mProvisioningUrl = null; 871 } else { 872 loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioningUrl=" + mProvisioningUrl); 873 mIsProvisioning = true; 874 startProvisioningApnAlarm(); 875 } 876 break; 877 } 878 case DctConstants.EVENT_PROVISIONING_APN_ALARM: { 879 if (DBG) log("EVENT_PROVISIONING_APN_ALARM"); 880 ApnContext apnCtx = mApnContexts.get("default"); 881 if (apnCtx.isProvisioningApn() && apnCtx.isConnectedOrConnecting()) { 882 if (mProvisioningApnAlarmTag == msg.arg1) { 883 if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Disconnecting"); 884 mIsProvisioning = false; 885 mProvisioningUrl = null; 886 stopProvisioningApnAlarm(); 887 sendCleanUpConnection(true, apnCtx); 888 } else { 889 if (DBG) { 890 log("EVENT_PROVISIONING_APN_ALARM: ignore stale tag," 891 + " mProvisioningApnAlarmTag:" + mProvisioningApnAlarmTag 892 + " != arg1:" + msg.arg1); 893 } 894 } 895 } else { 896 if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Not connected ignore"); 897 } 898 break; 899 } 900 case DctConstants.CMD_IS_PROVISIONING_APN: { 901 if (DBG) log("CMD_IS_PROVISIONING_APN"); 902 boolean isProvApn; 903 try { 904 String apnType = null; 905 Bundle bundle = msg.getData(); 906 if (bundle != null) { 907 apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 908 } 909 if (TextUtils.isEmpty(apnType)) { 910 loge("CMD_IS_PROVISIONING_APN: apnType is empty"); 911 isProvApn = false; 912 } else { 913 isProvApn = isProvisioningApn(apnType); 914 } 915 } catch (ClassCastException e) { 916 loge("CMD_IS_PROVISIONING_APN: NO provisioning url ignoring"); 917 isProvApn = false; 918 } 919 if (DBG) log("CMD_IS_PROVISIONING_APN: ret=" + isProvApn); 920 mReplyAc.replyToMessage(msg, DctConstants.CMD_IS_PROVISIONING_APN, 921 isProvApn ? DctConstants.ENABLED : DctConstants.DISABLED); 922 break; 923 } 924 case DctConstants.EVENT_ICC_CHANGED: { 925 onUpdateIcc(); 926 break; 927 } 928 case DctConstants.EVENT_RESTART_RADIO: { 929 restartRadio(); 930 break; 931 } 932 case DctConstants.CMD_NET_STAT_POLL: { 933 if (msg.arg1 == DctConstants.ENABLED) { 934 handleStartNetStatPoll((DctConstants.Activity)msg.obj); 935 } else if (msg.arg1 == DctConstants.DISABLED) { 936 handleStopNetStatPoll((DctConstants.Activity)msg.obj); 937 } 938 break; 939 } 940 default: 941 Rlog.e("DATA", "Unidentified event msg=" + msg); 942 break; 943 } 944 } 945 946 /** 947 * Report on whether data connectivity is enabled 948 * 949 * @return {@code false} if data connectivity has been explicitly disabled, 950 * {@code true} otherwise. 951 */ 952 public boolean getAnyDataEnabled() { 953 final boolean result; 954 synchronized (mDataEnabledLock) { 955 result = (mInternalDataEnabled && mUserDataEnabled && sPolicyDataEnabled 956 && (mEnabledCount != 0)); 957 } 958 if (!result && DBG) log("getAnyDataEnabled " + result); 959 return result; 960 } 961 962 protected boolean isEmergency() { 963 final boolean result; 964 synchronized (mDataEnabledLock) { 965 result = mPhone.isInEcm() || mPhone.isInEmergencyCall(); 966 } 967 log("isEmergency: result=" + result); 968 return result; 969 } 970 971 protected int apnTypeToId(String type) { 972 if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DEFAULT)) { 973 return DctConstants.APN_DEFAULT_ID; 974 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_MMS)) { 975 return DctConstants.APN_MMS_ID; 976 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_SUPL)) { 977 return DctConstants.APN_SUPL_ID; 978 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DUN)) { 979 return DctConstants.APN_DUN_ID; 980 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_HIPRI)) { 981 return DctConstants.APN_HIPRI_ID; 982 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IMS)) { 983 return DctConstants.APN_IMS_ID; 984 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_FOTA)) { 985 return DctConstants.APN_FOTA_ID; 986 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_CBS)) { 987 return DctConstants.APN_CBS_ID; 988 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IA)) { 989 return DctConstants.APN_IA_ID; 990 } else { 991 return DctConstants.APN_INVALID_ID; 992 } 993 } 994 995 protected String apnIdToType(int id) { 996 switch (id) { 997 case DctConstants.APN_DEFAULT_ID: 998 return PhoneConstants.APN_TYPE_DEFAULT; 999 case DctConstants.APN_MMS_ID: 1000 return PhoneConstants.APN_TYPE_MMS; 1001 case DctConstants.APN_SUPL_ID: 1002 return PhoneConstants.APN_TYPE_SUPL; 1003 case DctConstants.APN_DUN_ID: 1004 return PhoneConstants.APN_TYPE_DUN; 1005 case DctConstants.APN_HIPRI_ID: 1006 return PhoneConstants.APN_TYPE_HIPRI; 1007 case DctConstants.APN_IMS_ID: 1008 return PhoneConstants.APN_TYPE_IMS; 1009 case DctConstants.APN_FOTA_ID: 1010 return PhoneConstants.APN_TYPE_FOTA; 1011 case DctConstants.APN_CBS_ID: 1012 return PhoneConstants.APN_TYPE_CBS; 1013 case DctConstants.APN_IA_ID: 1014 return PhoneConstants.APN_TYPE_IA; 1015 default: 1016 log("Unknown id (" + id + ") in apnIdToType"); 1017 return PhoneConstants.APN_TYPE_DEFAULT; 1018 } 1019 } 1020 1021 public LinkProperties getLinkProperties(String apnType) { 1022 int id = apnTypeToId(apnType); 1023 1024 if (isApnIdEnabled(id)) { 1025 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 1026 return dcac.getLinkPropertiesSync(); 1027 } else { 1028 return new LinkProperties(); 1029 } 1030 } 1031 1032 public LinkCapabilities getLinkCapabilities(String apnType) { 1033 int id = apnTypeToId(apnType); 1034 if (isApnIdEnabled(id)) { 1035 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 1036 return dcac.getLinkCapabilitiesSync(); 1037 } else { 1038 return new LinkCapabilities(); 1039 } 1040 } 1041 1042 // tell all active apns of the current condition 1043 protected void notifyDataConnection(String reason) { 1044 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 1045 if (mDataEnabled[id]) { 1046 mPhone.notifyDataConnection(reason, apnIdToType(id)); 1047 } 1048 } 1049 notifyOffApnsOfAvailability(reason); 1050 } 1051 1052 // a new APN has gone active and needs to send events to catch up with the 1053 // current condition 1054 private void notifyApnIdUpToCurrent(String reason, int apnId) { 1055 switch (mState) { 1056 case IDLE: 1057 break; 1058 case RETRYING: 1059 case CONNECTING: 1060 case SCANNING: 1061 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1062 PhoneConstants.DataState.CONNECTING); 1063 break; 1064 case CONNECTED: 1065 case DISCONNECTING: 1066 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1067 PhoneConstants.DataState.CONNECTING); 1068 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1069 PhoneConstants.DataState.CONNECTED); 1070 break; 1071 default: 1072 // Ignore 1073 break; 1074 } 1075 } 1076 1077 // since we normally don't send info to a disconnected APN, we need to do this specially 1078 private void notifyApnIdDisconnected(String reason, int apnId) { 1079 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 1080 PhoneConstants.DataState.DISCONNECTED); 1081 } 1082 1083 // disabled apn's still need avail/unavail notificiations - send them out 1084 protected void notifyOffApnsOfAvailability(String reason) { 1085 if (DBG) log("notifyOffApnsOfAvailability - reason= " + reason); 1086 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 1087 if (!isApnIdEnabled(id)) { 1088 notifyApnIdDisconnected(reason, id); 1089 } 1090 } 1091 } 1092 1093 public boolean isApnTypeEnabled(String apnType) { 1094 if (apnType == null) { 1095 return false; 1096 } else { 1097 return isApnIdEnabled(apnTypeToId(apnType)); 1098 } 1099 } 1100 1101 protected synchronized boolean isApnIdEnabled(int id) { 1102 if (id != DctConstants.APN_INVALID_ID) { 1103 return mDataEnabled[id]; 1104 } 1105 return false; 1106 } 1107 1108 /** 1109 * Ensure that we are connected to an APN of the specified type. 1110 * 1111 * @param type the APN type (currently the only valid values are 1112 * {@link PhoneConstants#APN_TYPE_MMS} and {@link PhoneConstants#APN_TYPE_SUPL}) 1113 * @return Success is indicated by {@code Phone.APN_ALREADY_ACTIVE} or 1114 * {@code Phone.APN_REQUEST_STARTED}. In the latter case, a 1115 * broadcast will be sent by the ConnectivityManager when a 1116 * connection to the APN has been established. 1117 */ 1118 public synchronized int enableApnType(String type) { 1119 int id = apnTypeToId(type); 1120 if (id == DctConstants.APN_INVALID_ID) { 1121 return PhoneConstants.APN_REQUEST_FAILED; 1122 } 1123 1124 if (DBG) { 1125 log("enableApnType(" + type + "), isApnTypeActive = " + isApnTypeActive(type) 1126 + ", isApnIdEnabled =" + isApnIdEnabled(id) + " and state = " + mState); 1127 } 1128 1129 if (!isApnTypeAvailable(type)) { 1130 if (DBG) log("enableApnType: not available, type=" + type); 1131 return PhoneConstants.APN_TYPE_NOT_AVAILABLE; 1132 } 1133 1134 if (isApnIdEnabled(id)) { 1135 if (DBG) log("enableApnType: already active, type=" + type); 1136 return PhoneConstants.APN_ALREADY_ACTIVE; 1137 } else { 1138 setEnabled(id, true); 1139 } 1140 return PhoneConstants.APN_REQUEST_STARTED; 1141 } 1142 1143 /** 1144 * The APN of the specified type is no longer needed. Ensure that if use of 1145 * the default APN has not been explicitly disabled, we are connected to the 1146 * default APN. 1147 * 1148 * @param type the APN type. The only valid values are currently 1149 * {@link PhoneConstants#APN_TYPE_MMS} and {@link PhoneConstants#APN_TYPE_SUPL}. 1150 * @return Success is indicated by {@code PhoneConstants.APN_ALREADY_ACTIVE} or 1151 * {@code PhoneConstants.APN_REQUEST_STARTED}. In the latter case, a 1152 * broadcast will be sent by the ConnectivityManager when a 1153 * connection to the APN has been disconnected. A {@code 1154 * PhoneConstants.APN_REQUEST_FAILED} is returned if the type parameter is 1155 * invalid or if the apn wasn't enabled. 1156 */ 1157 public synchronized int disableApnType(String type) { 1158 if (DBG) log("disableApnType(" + type + ")"); 1159 int id = apnTypeToId(type); 1160 if (id == DctConstants.APN_INVALID_ID) { 1161 return PhoneConstants.APN_REQUEST_FAILED; 1162 } 1163 if (isApnIdEnabled(id)) { 1164 setEnabled(id, false); 1165 if (isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 1166 if (mDataEnabled[DctConstants.APN_DEFAULT_ID]) { 1167 return PhoneConstants.APN_ALREADY_ACTIVE; 1168 } else { 1169 return PhoneConstants.APN_REQUEST_STARTED; 1170 } 1171 } else { 1172 return PhoneConstants.APN_REQUEST_STARTED; 1173 } 1174 } else { 1175 return PhoneConstants.APN_REQUEST_FAILED; 1176 } 1177 } 1178 1179 protected void setEnabled(int id, boolean enable) { 1180 if (DBG) { 1181 log("setEnabled(" + id + ", " + enable + ") with old state = " + mDataEnabled[id] 1182 + " and enabledCount = " + mEnabledCount); 1183 } 1184 Message msg = obtainMessage(DctConstants.EVENT_ENABLE_NEW_APN); 1185 msg.arg1 = id; 1186 msg.arg2 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1187 sendMessage(msg); 1188 } 1189 1190 protected void onEnableApn(int apnId, int enabled) { 1191 if (DBG) { 1192 log("EVENT_APN_ENABLE_REQUEST apnId=" + apnId + ", apnType=" + apnIdToType(apnId) + 1193 ", enabled=" + enabled + ", dataEnabled = " + mDataEnabled[apnId] + 1194 ", enabledCount = " + mEnabledCount + ", isApnTypeActive = " + 1195 isApnTypeActive(apnIdToType(apnId))); 1196 } 1197 if (enabled == DctConstants.ENABLED) { 1198 synchronized (this) { 1199 if (!mDataEnabled[apnId]) { 1200 mDataEnabled[apnId] = true; 1201 mEnabledCount++; 1202 } 1203 } 1204 String type = apnIdToType(apnId); 1205 if (!isApnTypeActive(type)) { 1206 mRequestedApnType = type; 1207 onEnableNewApn(); 1208 } else { 1209 notifyApnIdUpToCurrent(Phone.REASON_APN_SWITCHED, apnId); 1210 } 1211 } else { 1212 // disable 1213 boolean didDisable = false; 1214 synchronized (this) { 1215 if (mDataEnabled[apnId]) { 1216 mDataEnabled[apnId] = false; 1217 mEnabledCount--; 1218 didDisable = true; 1219 } 1220 } 1221 if (didDisable) { 1222 if ((mEnabledCount == 0) || (apnId == DctConstants.APN_DUN_ID)) { 1223 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1224 onCleanUpConnection(true, apnId, Phone.REASON_DATA_DISABLED); 1225 } 1226 1227 // send the disconnect msg manually, since the normal route wont send 1228 // it (it's not enabled) 1229 notifyApnIdDisconnected(Phone.REASON_DATA_DISABLED, apnId); 1230 if (mDataEnabled[DctConstants.APN_DEFAULT_ID] == true 1231 && !isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 1232 // TODO - this is an ugly way to restore the default conn - should be done 1233 // by a real contention manager and policy that disconnects the lower pri 1234 // stuff as enable requests come in and pops them back on as we disable back 1235 // down to the lower pri stuff 1236 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1237 onEnableNewApn(); 1238 } 1239 } 1240 } 1241 } 1242 1243 /** 1244 * Called when we switch APNs. 1245 * 1246 * mRequestedApnType is set prior to call 1247 * To be overridden. 1248 */ 1249 protected void onEnableNewApn() { 1250 } 1251 1252 /** 1253 * Called when EVENT_RESET_DONE is received so goto 1254 * IDLE state and send notifications to those interested. 1255 * 1256 * TODO - currently unused. Needs to be hooked into DataConnection cleanup 1257 * TODO - needs to pass some notion of which connection is reset.. 1258 */ 1259 protected void onResetDone(AsyncResult ar) { 1260 if (DBG) log("EVENT_RESET_DONE"); 1261 String reason = null; 1262 if (ar.userObj instanceof String) { 1263 reason = (String) ar.userObj; 1264 } 1265 gotoIdleAndNotifyDataConnection(reason); 1266 } 1267 1268 /** 1269 * Prevent mobile data connections from being established, or once again 1270 * allow mobile data connections. If the state toggles, then either tear 1271 * down or set up data, as appropriate to match the new state. 1272 * 1273 * @param enable indicates whether to enable ({@code true}) or disable ( 1274 * {@code false}) data 1275 * @return {@code true} if the operation succeeded 1276 */ 1277 public boolean setInternalDataEnabled(boolean enable) { 1278 if (DBG) 1279 log("setInternalDataEnabled(" + enable + ")"); 1280 1281 Message msg = obtainMessage(DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE); 1282 msg.arg1 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1283 sendMessage(msg); 1284 return true; 1285 } 1286 1287 protected void onSetInternalDataEnabled(boolean enabled) { 1288 synchronized (mDataEnabledLock) { 1289 mInternalDataEnabled = enabled; 1290 if (enabled) { 1291 log("onSetInternalDataEnabled: changed to enabled, try to setup data call"); 1292 onTrySetupData(Phone.REASON_DATA_ENABLED); 1293 } else { 1294 log("onSetInternalDataEnabled: changed to disabled, cleanUpAllConnections"); 1295 cleanUpAllConnections(null); 1296 } 1297 } 1298 } 1299 1300 public void cleanUpAllConnections(String cause) { 1301 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS); 1302 msg.obj = cause; 1303 sendMessage(msg); 1304 } 1305 1306 public abstract boolean isDisconnected(); 1307 1308 protected void onSetUserDataEnabled(boolean enabled) { 1309 synchronized (mDataEnabledLock) { 1310 final boolean prevEnabled = getAnyDataEnabled(); 1311 if (mUserDataEnabled != enabled) { 1312 mUserDataEnabled = enabled; 1313 Settings.Global.putInt(mPhone.getContext().getContentResolver(), 1314 Settings.Global.MOBILE_DATA, enabled ? 1 : 0); 1315 if (getDataOnRoamingEnabled() == false && 1316 mPhone.getServiceState().getRoaming() == true) { 1317 if (enabled) { 1318 notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); 1319 } else { 1320 notifyOffApnsOfAvailability(Phone.REASON_DATA_DISABLED); 1321 } 1322 } 1323 if (prevEnabled != getAnyDataEnabled()) { 1324 if (!prevEnabled) { 1325 onTrySetupData(Phone.REASON_DATA_ENABLED); 1326 } else { 1327 onCleanUpAllConnections(Phone.REASON_DATA_DISABLED); 1328 } 1329 } 1330 } 1331 } 1332 } 1333 1334 protected void onSetDependencyMet(String apnType, boolean met) { 1335 } 1336 1337 protected void onSetPolicyDataEnabled(boolean enabled) { 1338 synchronized (mDataEnabledLock) { 1339 final boolean prevEnabled = getAnyDataEnabled(); 1340 if (sPolicyDataEnabled != enabled) { 1341 sPolicyDataEnabled = enabled; 1342 if (prevEnabled != getAnyDataEnabled()) { 1343 if (!prevEnabled) { 1344 onTrySetupData(Phone.REASON_DATA_ENABLED); 1345 } else { 1346 onCleanUpAllConnections(Phone.REASON_DATA_DISABLED); 1347 } 1348 } 1349 } 1350 } 1351 } 1352 1353 protected String getReryConfig(boolean forDefault) { 1354 int nt = mPhone.getServiceState().getNetworkType(); 1355 1356 if ((nt == TelephonyManager.NETWORK_TYPE_CDMA) || 1357 (nt == TelephonyManager.NETWORK_TYPE_1xRTT) || 1358 (nt == TelephonyManager.NETWORK_TYPE_EVDO_0) || 1359 (nt == TelephonyManager.NETWORK_TYPE_EVDO_A) || 1360 (nt == TelephonyManager.NETWORK_TYPE_EVDO_B) || 1361 (nt == TelephonyManager.NETWORK_TYPE_EHRPD)) { 1362 // CDMA variant 1363 return SystemProperties.get("ro.cdma.data_retry_config"); 1364 } else { 1365 // Use GSM varient for all others. 1366 if (forDefault) { 1367 return SystemProperties.get("ro.gsm.data_retry_config"); 1368 } else { 1369 return SystemProperties.get("ro.gsm.2nd_data_retry_config"); 1370 } 1371 } 1372 } 1373 1374 protected void resetPollStats() { 1375 mTxPkts = -1; 1376 mRxPkts = -1; 1377 mNetStatPollPeriod = POLL_NETSTAT_MILLIS; 1378 } 1379 1380 protected abstract DctConstants.State getOverallState(); 1381 1382 void startNetStatPoll() { 1383 if (getOverallState() == DctConstants.State.CONNECTED 1384 && mNetStatPollEnabled == false) { 1385 if (DBG) { 1386 log("startNetStatPoll"); 1387 } 1388 resetPollStats(); 1389 mNetStatPollEnabled = true; 1390 mPollNetStat.run(); 1391 } 1392 } 1393 1394 void stopNetStatPoll() { 1395 mNetStatPollEnabled = false; 1396 removeCallbacks(mPollNetStat); 1397 if (DBG) { 1398 log("stopNetStatPoll"); 1399 } 1400 } 1401 1402 public void sendStartNetStatPoll(DctConstants.Activity activity) { 1403 Message msg = obtainMessage(DctConstants.CMD_NET_STAT_POLL); 1404 msg.arg1 = DctConstants.ENABLED; 1405 msg.obj = activity; 1406 sendMessage(msg); 1407 } 1408 1409 protected void handleStartNetStatPoll(DctConstants.Activity activity) { 1410 startNetStatPoll(); 1411 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 1412 setActivity(activity); 1413 } 1414 1415 public void sendStopNetStatPoll(DctConstants.Activity activity) { 1416 Message msg = obtainMessage(DctConstants.CMD_NET_STAT_POLL); 1417 msg.arg1 = DctConstants.DISABLED; 1418 msg.obj = activity; 1419 sendMessage(msg); 1420 } 1421 1422 protected void handleStopNetStatPoll(DctConstants.Activity activity) { 1423 stopNetStatPoll(); 1424 stopDataStallAlarm(); 1425 setActivity(activity); 1426 } 1427 1428 public void updateDataActivity() { 1429 long sent, received; 1430 1431 DctConstants.Activity newActivity; 1432 1433 TxRxSum preTxRxSum = new TxRxSum(mTxPkts, mRxPkts); 1434 TxRxSum curTxRxSum = new TxRxSum(); 1435 curTxRxSum.updateTxRxSum(); 1436 mTxPkts = curTxRxSum.txPkts; 1437 mRxPkts = curTxRxSum.rxPkts; 1438 1439 if (VDBG) { 1440 log("updateDataActivity: curTxRxSum=" + curTxRxSum + " preTxRxSum=" + preTxRxSum); 1441 } 1442 1443 if (mNetStatPollEnabled && (preTxRxSum.txPkts > 0 || preTxRxSum.rxPkts > 0)) { 1444 sent = mTxPkts - preTxRxSum.txPkts; 1445 received = mRxPkts - preTxRxSum.rxPkts; 1446 1447 if (VDBG) 1448 log("updateDataActivity: sent=" + sent + " received=" + received); 1449 if (sent > 0 && received > 0) { 1450 newActivity = DctConstants.Activity.DATAINANDOUT; 1451 } else if (sent > 0 && received == 0) { 1452 newActivity = DctConstants.Activity.DATAOUT; 1453 } else if (sent == 0 && received > 0) { 1454 newActivity = DctConstants.Activity.DATAIN; 1455 } else { 1456 newActivity = (mActivity == DctConstants.Activity.DORMANT) ? 1457 mActivity : DctConstants.Activity.NONE; 1458 } 1459 1460 if (mActivity != newActivity && mIsScreenOn) { 1461 if (VDBG) 1462 log("updateDataActivity: newActivity=" + newActivity); 1463 mActivity = newActivity; 1464 mPhone.notifyDataActivity(); 1465 } 1466 } 1467 } 1468 1469 // Recovery action taken in case of data stall 1470 protected static class RecoveryAction { 1471 public static final int GET_DATA_CALL_LIST = 0; 1472 public static final int CLEANUP = 1; 1473 public static final int REREGISTER = 2; 1474 public static final int RADIO_RESTART = 3; 1475 public static final int RADIO_RESTART_WITH_PROP = 4; 1476 1477 private static boolean isAggressiveRecovery(int value) { 1478 return ((value == RecoveryAction.CLEANUP) || 1479 (value == RecoveryAction.REREGISTER) || 1480 (value == RecoveryAction.RADIO_RESTART) || 1481 (value == RecoveryAction.RADIO_RESTART_WITH_PROP)); 1482 } 1483 } 1484 1485 public int getRecoveryAction() { 1486 int action = Settings.System.getInt(mPhone.getContext().getContentResolver(), 1487 "radio.data.stall.recovery.action", RecoveryAction.GET_DATA_CALL_LIST); 1488 if (VDBG_STALL) log("getRecoveryAction: " + action); 1489 return action; 1490 } 1491 public void putRecoveryAction(int action) { 1492 Settings.System.putInt(mPhone.getContext().getContentResolver(), 1493 "radio.data.stall.recovery.action", action); 1494 if (VDBG_STALL) log("putRecoveryAction: " + action); 1495 } 1496 1497 protected boolean isConnected() { 1498 return false; 1499 } 1500 1501 protected void doRecovery() { 1502 if (getOverallState() == DctConstants.State.CONNECTED) { 1503 // Go through a series of recovery steps, each action transitions to the next action 1504 int recoveryAction = getRecoveryAction(); 1505 switch (recoveryAction) { 1506 case RecoveryAction.GET_DATA_CALL_LIST: 1507 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_GET_DATA_CALL_LIST, 1508 mSentSinceLastRecv); 1509 if (DBG) log("doRecovery() get data call list"); 1510 mPhone.mCi.getDataCallList(obtainMessage(DctConstants.EVENT_DATA_STATE_CHANGED)); 1511 putRecoveryAction(RecoveryAction.CLEANUP); 1512 break; 1513 case RecoveryAction.CLEANUP: 1514 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_CLEANUP, mSentSinceLastRecv); 1515 if (DBG) log("doRecovery() cleanup all connections"); 1516 cleanUpAllConnections(Phone.REASON_PDP_RESET); 1517 putRecoveryAction(RecoveryAction.REREGISTER); 1518 break; 1519 case RecoveryAction.REREGISTER: 1520 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_REREGISTER, 1521 mSentSinceLastRecv); 1522 if (DBG) log("doRecovery() re-register"); 1523 mPhone.getServiceStateTracker().reRegisterNetwork(null); 1524 putRecoveryAction(RecoveryAction.RADIO_RESTART); 1525 break; 1526 case RecoveryAction.RADIO_RESTART: 1527 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART, 1528 mSentSinceLastRecv); 1529 if (DBG) log("restarting radio"); 1530 putRecoveryAction(RecoveryAction.RADIO_RESTART_WITH_PROP); 1531 restartRadio(); 1532 break; 1533 case RecoveryAction.RADIO_RESTART_WITH_PROP: 1534 // This is in case radio restart has not recovered the data. 1535 // It will set an additional "gsm.radioreset" property to tell 1536 // RIL or system to take further action. 1537 // The implementation of hard reset recovery action is up to OEM product. 1538 // Once RADIO_RESET property is consumed, it is expected to set back 1539 // to false by RIL. 1540 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART_WITH_PROP, -1); 1541 if (DBG) log("restarting radio with gsm.radioreset to true"); 1542 SystemProperties.set(RADIO_RESET_PROPERTY, "true"); 1543 // give 1 sec so property change can be notified. 1544 try { 1545 Thread.sleep(1000); 1546 } catch (InterruptedException e) {} 1547 restartRadio(); 1548 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1549 break; 1550 default: 1551 throw new RuntimeException("doRecovery: Invalid recoveryAction=" + 1552 recoveryAction); 1553 } 1554 mSentSinceLastRecv = 0; 1555 } 1556 } 1557 1558 private void updateDataStallInfo() { 1559 long sent, received; 1560 1561 TxRxSum preTxRxSum = new TxRxSum(mDataStallTxRxSum); 1562 mDataStallTxRxSum.updateTxRxSum(); 1563 1564 if (VDBG_STALL) { 1565 log("updateDataStallInfo: mDataStallTxRxSum=" + mDataStallTxRxSum + 1566 " preTxRxSum=" + preTxRxSum); 1567 } 1568 1569 sent = mDataStallTxRxSum.txPkts - preTxRxSum.txPkts; 1570 received = mDataStallTxRxSum.rxPkts - preTxRxSum.rxPkts; 1571 1572 if (RADIO_TESTS) { 1573 if (SystemProperties.getBoolean("radio.test.data.stall", false)) { 1574 log("updateDataStallInfo: radio.test.data.stall true received = 0;"); 1575 received = 0; 1576 } 1577 } 1578 if ( sent > 0 && received > 0 ) { 1579 if (VDBG_STALL) log("updateDataStallInfo: IN/OUT"); 1580 mSentSinceLastRecv = 0; 1581 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1582 } else if (sent > 0 && received == 0) { 1583 if (mPhone.getState() == PhoneConstants.State.IDLE) { 1584 mSentSinceLastRecv += sent; 1585 } else { 1586 mSentSinceLastRecv = 0; 1587 } 1588 if (DBG) { 1589 log("updateDataStallInfo: OUT sent=" + sent + 1590 " mSentSinceLastRecv=" + mSentSinceLastRecv); 1591 } 1592 } else if (sent == 0 && received > 0) { 1593 if (VDBG_STALL) log("updateDataStallInfo: IN"); 1594 mSentSinceLastRecv = 0; 1595 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1596 } else { 1597 if (VDBG_STALL) log("updateDataStallInfo: NONE"); 1598 } 1599 } 1600 1601 protected void onDataStallAlarm(int tag) { 1602 if (mDataStallAlarmTag != tag) { 1603 if (DBG) { 1604 log("onDataStallAlarm: ignore, tag=" + tag + " expecting " + mDataStallAlarmTag); 1605 } 1606 return; 1607 } 1608 updateDataStallInfo(); 1609 1610 int hangWatchdogTrigger = Settings.Global.getInt(mResolver, 1611 Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT, 1612 NUMBER_SENT_PACKETS_OF_HANG); 1613 1614 boolean suspectedStall = DATA_STALL_NOT_SUSPECTED; 1615 if (mSentSinceLastRecv >= hangWatchdogTrigger) { 1616 if (DBG) { 1617 log("onDataStallAlarm: tag=" + tag + " do recovery action=" + getRecoveryAction()); 1618 } 1619 suspectedStall = DATA_STALL_SUSPECTED; 1620 sendMessage(obtainMessage(DctConstants.EVENT_DO_RECOVERY)); 1621 } else { 1622 if (VDBG_STALL) { 1623 log("onDataStallAlarm: tag=" + tag + " Sent " + String.valueOf(mSentSinceLastRecv) + 1624 " pkts since last received, < watchdogTrigger=" + hangWatchdogTrigger); 1625 } 1626 } 1627 startDataStallAlarm(suspectedStall); 1628 } 1629 1630 protected void startDataStallAlarm(boolean suspectedStall) { 1631 int nextAction = getRecoveryAction(); 1632 int delayInMs; 1633 1634 if (mDataStallDetectionEnabled && getOverallState() == DctConstants.State.CONNECTED) { 1635 // If screen is on or data stall is currently suspected, set the alarm 1636 // with an aggresive timeout. 1637 if (mIsScreenOn || suspectedStall || RecoveryAction.isAggressiveRecovery(nextAction)) { 1638 delayInMs = Settings.Global.getInt(mResolver, 1639 Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS, 1640 DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1641 } else { 1642 delayInMs = Settings.Global.getInt(mResolver, 1643 Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS, 1644 DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1645 } 1646 1647 mDataStallAlarmTag += 1; 1648 if (VDBG_STALL) { 1649 log("startDataStallAlarm: tag=" + mDataStallAlarmTag + 1650 " delay=" + (delayInMs / 1000) + "s"); 1651 } 1652 Intent intent = new Intent(INTENT_DATA_STALL_ALARM); 1653 intent.putExtra(DATA_STALL_ALARM_TAG_EXTRA, mDataStallAlarmTag); 1654 mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1655 PendingIntent.FLAG_UPDATE_CURRENT); 1656 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1657 SystemClock.elapsedRealtime() + delayInMs, mDataStallAlarmIntent); 1658 } else { 1659 if (VDBG_STALL) { 1660 log("startDataStallAlarm: NOT started, no connection tag=" + mDataStallAlarmTag); 1661 } 1662 } 1663 } 1664 1665 protected void stopDataStallAlarm() { 1666 if (VDBG_STALL) { 1667 log("stopDataStallAlarm: current tag=" + mDataStallAlarmTag + 1668 " mDataStallAlarmIntent=" + mDataStallAlarmIntent); 1669 } 1670 mDataStallAlarmTag += 1; 1671 if (mDataStallAlarmIntent != null) { 1672 mAlarmManager.cancel(mDataStallAlarmIntent); 1673 mDataStallAlarmIntent = null; 1674 } 1675 } 1676 1677 protected void restartDataStallAlarm() { 1678 if (isConnected() == false) return; 1679 // To be called on screen status change. 1680 // Do not cancel the alarm if it is set with aggressive timeout. 1681 int nextAction = getRecoveryAction(); 1682 1683 if (RecoveryAction.isAggressiveRecovery(nextAction)) { 1684 if (DBG) log("restartDataStallAlarm: action is pending. not resetting the alarm."); 1685 return; 1686 } 1687 if (VDBG_STALL) log("restartDataStallAlarm: stop then start."); 1688 stopDataStallAlarm(); 1689 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 1690 } 1691 1692 protected void setInitialAttachApn() { 1693 ApnSetting iaApnSetting = null; 1694 ApnSetting defaultApnSetting = null; 1695 ApnSetting firstApnSetting = null; 1696 1697 log("setInitialApn: E mPreferredApn=" + mPreferredApn); 1698 1699 if (mAllApnSettings != null && !mAllApnSettings.isEmpty()) { 1700 firstApnSetting = mAllApnSettings.get(0); 1701 log("setInitialApn: firstApnSetting=" + firstApnSetting); 1702 1703 // Search for Initial APN setting and the first apn that can handle default 1704 for (ApnSetting apn : mAllApnSettings) { 1705 // Can't use apn.canHandleType(), as that returns true for APNs that have no type. 1706 if (ArrayUtils.contains(apn.types, PhoneConstants.APN_TYPE_IA)) { 1707 // The Initial Attach APN is highest priority so use it if there is one 1708 log("setInitialApn: iaApnSetting=" + apn); 1709 iaApnSetting = apn; 1710 break; 1711 } else if ((defaultApnSetting == null) 1712 && (apn.canHandleType(PhoneConstants.APN_TYPE_DEFAULT))) { 1713 // Use the first default apn if no better choice 1714 log("setInitialApn: defaultApnSetting=" + apn); 1715 defaultApnSetting = apn; 1716 } 1717 } 1718 } 1719 1720 // The priority of apn candidates from highest to lowest is: 1721 // 1) APN_TYPE_IA (Inital Attach) 1722 // 2) mPreferredApn, i.e. the current preferred apn 1723 // 3) The first apn that than handle APN_TYPE_DEFAULT 1724 // 4) The first APN we can find. 1725 1726 ApnSetting initialAttachApnSetting = null; 1727 if (iaApnSetting != null) { 1728 if (DBG) log("setInitialAttachApn: using iaApnSetting"); 1729 initialAttachApnSetting = iaApnSetting; 1730 } else if (mPreferredApn != null) { 1731 if (DBG) log("setInitialAttachApn: using mPreferredApn"); 1732 initialAttachApnSetting = mPreferredApn; 1733 } else if (defaultApnSetting != null) { 1734 if (DBG) log("setInitialAttachApn: using defaultApnSetting"); 1735 initialAttachApnSetting = defaultApnSetting; 1736 } else if (firstApnSetting != null) { 1737 if (DBG) log("setInitialAttachApn: using firstApnSetting"); 1738 initialAttachApnSetting = firstApnSetting; 1739 } 1740 1741 if (initialAttachApnSetting == null) { 1742 if (DBG) log("setInitialAttachApn: X There in no available apn"); 1743 } else { 1744 if (DBG) log("setInitialAttachApn: X selected Apn=" + initialAttachApnSetting); 1745 1746 mPhone.mCi.setInitialAttachApn(initialAttachApnSetting.apn, 1747 initialAttachApnSetting.protocol, initialAttachApnSetting.authType, 1748 initialAttachApnSetting.user, initialAttachApnSetting.password, null); 1749 } 1750 } 1751 1752 protected void onActionIntentProvisioningApnAlarm(Intent intent) { 1753 if (DBG) log("onActionIntentProvisioningApnAlarm: action=" + intent.getAction()); 1754 Message msg = obtainMessage(DctConstants.EVENT_PROVISIONING_APN_ALARM, 1755 intent.getAction()); 1756 msg.arg1 = intent.getIntExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, 0); 1757 sendMessage(msg); 1758 } 1759 1760 protected void startProvisioningApnAlarm() { 1761 int delayInMs = Settings.Global.getInt(mResolver, 1762 Settings.Global.PROVISIONING_APN_ALARM_DELAY_IN_MS, 1763 PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT); 1764 if (Build.IS_DEBUGGABLE) { 1765 // Allow debug code to use a system property to provide another value 1766 String delayInMsStrg = Integer.toString(delayInMs); 1767 delayInMsStrg = System.getProperty(DEBUG_PROV_APN_ALARM, delayInMsStrg); 1768 try { 1769 delayInMs = Integer.parseInt(delayInMsStrg); 1770 } catch (NumberFormatException e) { 1771 loge("startProvisioningApnAlarm: e=" + e); 1772 } 1773 } 1774 mProvisioningApnAlarmTag += 1; 1775 if (DBG) { 1776 log("startProvisioningApnAlarm: tag=" + mProvisioningApnAlarmTag + 1777 " delay=" + (delayInMs / 1000) + "s"); 1778 } 1779 Intent intent = new Intent(INTENT_PROVISIONING_APN_ALARM); 1780 intent.putExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, mProvisioningApnAlarmTag); 1781 mProvisioningApnAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1782 PendingIntent.FLAG_UPDATE_CURRENT); 1783 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1784 SystemClock.elapsedRealtime() + delayInMs, mProvisioningApnAlarmIntent); 1785 } 1786 1787 protected void stopProvisioningApnAlarm() { 1788 if (DBG) { 1789 log("stopProvisioningApnAlarm: current tag=" + mProvisioningApnAlarmTag + 1790 " mProvsioningApnAlarmIntent=" + mProvisioningApnAlarmIntent); 1791 } 1792 mProvisioningApnAlarmTag += 1; 1793 if (mProvisioningApnAlarmIntent != null) { 1794 mAlarmManager.cancel(mProvisioningApnAlarmIntent); 1795 mProvisioningApnAlarmIntent = null; 1796 } 1797 } 1798 1799 void sendCleanUpConnection(boolean tearDown, ApnContext apnContext) { 1800 if (DBG)log("sendCleanUpConnection: tearDown=" + tearDown + " apnContext=" + apnContext); 1801 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_CONNECTION); 1802 msg.arg1 = tearDown ? 1 : 0; 1803 msg.arg2 = 0; 1804 msg.obj = apnContext; 1805 sendMessage(msg); 1806 } 1807 1808 void sendRestartRadio() { 1809 if (DBG)log("sendRestartRadio:"); 1810 Message msg = obtainMessage(DctConstants.EVENT_RESTART_RADIO); 1811 sendMessage(msg); 1812 } 1813 1814 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1815 pw.println("DataConnectionTrackerBase:"); 1816 pw.println(" RADIO_TESTS=" + RADIO_TESTS); 1817 pw.println(" mInternalDataEnabled=" + mInternalDataEnabled); 1818 pw.println(" mUserDataEnabled=" + mUserDataEnabled); 1819 pw.println(" sPolicyDataEnabed=" + sPolicyDataEnabled); 1820 pw.println(" mDataEnabled:"); 1821 for(int i=0; i < mDataEnabled.length; i++) { 1822 pw.printf(" mDataEnabled[%d]=%b\n", i, mDataEnabled[i]); 1823 } 1824 pw.flush(); 1825 pw.println(" mEnabledCount=" + mEnabledCount); 1826 pw.println(" mRequestedApnType=" + mRequestedApnType); 1827 pw.println(" mPhone=" + mPhone.getPhoneName()); 1828 pw.println(" mActivity=" + mActivity); 1829 pw.println(" mState=" + mState); 1830 pw.println(" mTxPkts=" + mTxPkts); 1831 pw.println(" mRxPkts=" + mRxPkts); 1832 pw.println(" mNetStatPollPeriod=" + mNetStatPollPeriod); 1833 pw.println(" mNetStatPollEnabled=" + mNetStatPollEnabled); 1834 pw.println(" mDataStallTxRxSum=" + mDataStallTxRxSum); 1835 pw.println(" mDataStallAlarmTag=" + mDataStallAlarmTag); 1836 pw.println(" mDataStallDetectionEanbled=" + mDataStallDetectionEnabled); 1837 pw.println(" mSentSinceLastRecv=" + mSentSinceLastRecv); 1838 pw.println(" mNoRecvPollCount=" + mNoRecvPollCount); 1839 pw.println(" mResolver=" + mResolver); 1840 pw.println(" mIsWifiConnected=" + mIsWifiConnected); 1841 pw.println(" mReconnectIntent=" + mReconnectIntent); 1842 pw.println(" mCidActive=" + mCidActive); 1843 pw.println(" mAutoAttachOnCreation=" + mAutoAttachOnCreation); 1844 pw.println(" mIsScreenOn=" + mIsScreenOn); 1845 pw.println(" mUniqueIdGenerator=" + mUniqueIdGenerator); 1846 pw.flush(); 1847 pw.println(" ***************************************"); 1848 DcController dcc = mDcc; 1849 if (dcc != null) { 1850 dcc.dump(fd, pw, args); 1851 } else { 1852 pw.println(" mDcc=null"); 1853 } 1854 pw.println(" ***************************************"); 1855 HashMap<Integer, DataConnection> dcs = mDataConnections; 1856 if (dcs != null) { 1857 Set<Entry<Integer, DataConnection> > mDcSet = mDataConnections.entrySet(); 1858 pw.println(" mDataConnections: count=" + mDcSet.size()); 1859 for (Entry<Integer, DataConnection> entry : mDcSet) { 1860 pw.printf(" *** mDataConnection[%d] \n", entry.getKey()); 1861 entry.getValue().dump(fd, pw, args); 1862 } 1863 } else { 1864 pw.println("mDataConnections=null"); 1865 } 1866 pw.println(" ***************************************"); 1867 pw.flush(); 1868 HashMap<String, Integer> apnToDcId = mApnToDataConnectionId; 1869 if (apnToDcId != null) { 1870 Set<Entry<String, Integer>> apnToDcIdSet = apnToDcId.entrySet(); 1871 pw.println(" mApnToDataConnectonId size=" + apnToDcIdSet.size()); 1872 for (Entry<String, Integer> entry : apnToDcIdSet) { 1873 pw.printf(" mApnToDataConnectonId[%s]=%d\n", entry.getKey(), entry.getValue()); 1874 } 1875 } else { 1876 pw.println("mApnToDataConnectionId=null"); 1877 } 1878 pw.println(" ***************************************"); 1879 pw.flush(); 1880 ConcurrentHashMap<String, ApnContext> apnCtxs = mApnContexts; 1881 if (apnCtxs != null) { 1882 Set<Entry<String, ApnContext>> apnCtxsSet = apnCtxs.entrySet(); 1883 pw.println(" mApnContexts size=" + apnCtxsSet.size()); 1884 for (Entry<String, ApnContext> entry : apnCtxsSet) { 1885 entry.getValue().dump(fd, pw, args); 1886 } 1887 pw.println(" ***************************************"); 1888 } else { 1889 pw.println(" mApnContexts=null"); 1890 } 1891 pw.flush(); 1892 pw.println(" mActiveApn=" + mActiveApn); 1893 ArrayList<ApnSetting> apnSettings = mAllApnSettings; 1894 if (apnSettings != null) { 1895 pw.println(" mAllApnSettings size=" + apnSettings.size()); 1896 for (int i=0; i < apnSettings.size(); i++) { 1897 pw.printf(" mAllApnSettings[%d]: %s\n", i, apnSettings.get(i)); 1898 } 1899 pw.flush(); 1900 } else { 1901 pw.println(" mAllApnSettings=null"); 1902 } 1903 pw.println(" mPreferredApn=" + mPreferredApn); 1904 pw.println(" mIsPsRestricted=" + mIsPsRestricted); 1905 pw.println(" mIsDisposed=" + mIsDisposed); 1906 pw.println(" mIntentReceiver=" + mIntentReceiver); 1907 pw.println(" mDataRoamingSettingObserver=" + mDataRoamingSettingObserver); 1908 pw.flush(); 1909 } 1910} 1911