DcTrackerBase.java revision 454b1dfd508844b42eb775e4ab2359be74d3672b
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.LinkCapabilities; 29import android.net.LinkProperties; 30import android.net.NetworkInfo; 31import android.net.TrafficStats; 32import android.net.wifi.WifiManager; 33import android.os.AsyncResult; 34import android.os.Bundle; 35import android.os.Handler; 36import android.os.HandlerThread; 37import android.os.Message; 38import android.os.Messenger; 39import android.os.SystemClock; 40import android.os.SystemProperties; 41import android.preference.PreferenceManager; 42import android.provider.Settings; 43import android.provider.Settings.SettingNotFoundException; 44import android.telephony.TelephonyManager; 45import android.text.TextUtils; 46import android.util.EventLog; 47import android.telephony.Rlog; 48 49import com.android.internal.R; 50import com.android.internal.telephony.DctConstants; 51import com.android.internal.telephony.EventLogTags; 52import com.android.internal.telephony.Phone; 53import com.android.internal.telephony.PhoneBase; 54import com.android.internal.telephony.PhoneConstants; 55import com.android.internal.telephony.uicc.IccRecords; 56import com.android.internal.telephony.uicc.UiccController; 57import com.android.internal.util.AsyncChannel; 58 59import java.io.FileDescriptor; 60import java.io.PrintWriter; 61import java.util.ArrayList; 62import java.util.HashMap; 63import java.util.Map.Entry; 64import java.util.Set; 65import java.util.concurrent.ConcurrentHashMap; 66import java.util.concurrent.atomic.AtomicInteger; 67import java.util.concurrent.atomic.AtomicReference; 68 69/** 70 * {@hide} 71 */ 72public abstract class DcTrackerBase extends Handler { 73 protected static final boolean DBG = true; 74 protected static final boolean VDBG = false; // STOPSHIP if true 75 protected static final boolean VDBG_STALL = true; // STOPSHIP if true 76 protected static final boolean RADIO_TESTS = false; 77 78 /** 79 * Constants for the data connection activity: 80 * physical link down/up 81 */ 82 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_INACTIVE = 0; 83 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_DOWN = 1; 84 protected static final int DATA_CONNECTION_ACTIVE_PH_LINK_UP = 2; 85 86 /** Delay between APN attempts. 87 Note the property override mechanism is there just for testing purpose only. */ 88 protected static final int APN_DELAY_MILLIS = 89 SystemProperties.getInt("persist.radio.apn_delay", 5000); 90 91 AlarmManager mAlarmManager; 92 93 protected Object mDataEnabledLock = new Object(); 94 95 // responds to the setInternalDataEnabled call - used internally to turn off data 96 // for example during emergency calls 97 protected boolean mInternalDataEnabled = true; 98 99 // responds to public (user) API to enable/disable data use 100 // independent of mInternalDataEnabled and requests for APN access 101 // persisted 102 protected boolean mUserDataEnabled = true; 103 104 // TODO: move away from static state once 5587429 is fixed. 105 protected static boolean sPolicyDataEnabled = true; 106 107 private boolean[] mDataEnabled = new boolean[DctConstants.APN_NUM_TYPES]; 108 109 private int mEnabledCount = 0; 110 111 /* Currently requested APN type (TODO: This should probably be a parameter not a member) */ 112 protected String mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 113 114 /** Retry configuration: A doubling of retry times from 5secs to 30minutes */ 115 protected static final String DEFAULT_DATA_RETRY_CONFIG = "default_randomization=2000," 116 + "5000,10000,20000,40000,80000:5000,160000:5000," 117 + "320000:5000,640000:5000,1280000:5000,1800000:5000"; 118 119 /** Retry configuration for secondary networks: 4 tries in 20 sec */ 120 protected static final String SECONDARY_DATA_RETRY_CONFIG = 121 "max_retries=3, 5000, 5000, 5000"; 122 123 /** Slow poll when attempting connection recovery. */ 124 protected static final int POLL_NETSTAT_SLOW_MILLIS = 5000; 125 /** Default max failure count before attempting to network re-registration. */ 126 protected static final int DEFAULT_MAX_PDP_RESET_FAIL = 3; 127 128 /** 129 * After detecting a potential connection problem, this is the max number 130 * of subsequent polls before attempting recovery. 131 */ 132 protected static final int NO_RECV_POLL_LIMIT = 24; 133 // 1 sec. default polling interval when screen is on. 134 protected static final int POLL_NETSTAT_MILLIS = 1000; 135 // 10 min. default polling interval when screen is off. 136 protected static final int POLL_NETSTAT_SCREEN_OFF_MILLIS = 1000*60*10; 137 // 2 min for round trip time 138 protected static final int POLL_LONGEST_RTT = 120 * 1000; 139 // Default sent packets without ack which triggers initial recovery steps 140 protected static final int NUMBER_SENT_PACKETS_OF_HANG = 10; 141 // how long to wait before switching back to default APN 142 protected static final int RESTORE_DEFAULT_APN_DELAY = 1 * 60 * 1000; 143 // system property that can override the above value 144 protected static final String APN_RESTORE_DELAY_PROP_NAME = "android.telephony.apn-restore"; 145 // represents an invalid IP address 146 protected static final String NULL_IP = "0.0.0.0"; 147 148 // Default for the data stall alarm while non-aggressive stall detection 149 protected static final int DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60 * 6; 150 // Default for the data stall alarm for aggressive stall detection 151 protected static final int DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60; 152 // If attempt is less than this value we're doing first level recovery 153 protected static final int DATA_STALL_NO_RECV_POLL_LIMIT = 1; 154 // Tag for tracking stale alarms 155 protected static final String DATA_STALL_ALARM_TAG_EXTRA = "data.stall.alram.tag"; 156 157 protected static final boolean DATA_STALL_SUSPECTED = true; 158 protected static final boolean DATA_STALL_NOT_SUSPECTED = false; 159 160 protected String RADIO_RESET_PROPERTY = "gsm.radioreset"; 161 162 protected static final String INTENT_RECONNECT_ALARM = 163 "com.android.internal.telephony.data-reconnect"; 164 protected static final String INTENT_RECONNECT_ALARM_EXTRA_TYPE = "reconnect_alarm_extra_type"; 165 protected static final String INTENT_RECONNECT_ALARM_EXTRA_REASON = 166 "reconnect_alarm_extra_reason"; 167 168 protected static final String INTENT_RESTART_TRYSETUP_ALARM = 169 "com.android.internal.telephony.data-restart-trysetup"; 170 protected static final String INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE = 171 "restart_trysetup_alarm_extra_type"; 172 173 protected static final String INTENT_DATA_STALL_ALARM = 174 "com.android.internal.telephony.data-stall"; 175 176 177 178 protected static final String DEFALUT_DATA_ON_BOOT_PROP = "net.def_data_on_boot"; 179 180 protected DcTesterFailBringUpAll mDcTesterFailBringUpAll; 181 protected DcController mDcc; 182 183 // member variables 184 protected PhoneBase mPhone; 185 protected UiccController mUiccController; 186 protected AtomicReference<IccRecords> mIccRecords = new AtomicReference<IccRecords>(); 187 protected DctConstants.Activity mActivity = DctConstants.Activity.NONE; 188 protected DctConstants.State mState = DctConstants.State.IDLE; 189 protected Handler mDataConnectionTracker = null; 190 191 protected long mTxPkts; 192 protected long mRxPkts; 193 protected int mNetStatPollPeriod; 194 protected boolean mNetStatPollEnabled = false; 195 196 protected TxRxSum mDataStallTxRxSum = new TxRxSum(0, 0); 197 // Used to track stale data stall alarms. 198 protected int mDataStallAlarmTag = (int) SystemClock.elapsedRealtime(); 199 // The current data stall alarm intent 200 protected PendingIntent mDataStallAlarmIntent = null; 201 // Number of packets sent since the last received packet 202 protected long mSentSinceLastRecv; 203 // Controls when a simple recovery attempt it to be tried 204 protected int mNoRecvPollCount = 0; 205 206 // wifi connection status will be updated by sticky intent 207 protected boolean mIsWifiConnected = false; 208 209 /** Intent sent when the reconnect alarm fires. */ 210 protected PendingIntent mReconnectIntent = null; 211 212 /** CID of active data connection */ 213 protected int mCidActive; 214 215 // When false we will not auto attach and manually attaching is required. 216 protected boolean mAutoAttachOnCreation = false; 217 218 // State of screen 219 // (TODO: Reconsider tying directly to screen, maybe this is 220 // really a lower power mode") 221 protected boolean mIsScreenOn = true; 222 223 /** Allows the generation of unique Id's for DataConnection objects */ 224 protected AtomicInteger mUniqueIdGenerator = new AtomicInteger(0); 225 226 /** The data connections. */ 227 protected HashMap<Integer, DataConnection> mDataConnections = 228 new HashMap<Integer, DataConnection>(); 229 230 /** The data connection async channels */ 231 protected HashMap<Integer, DcAsyncChannel> mDataConnectionAcHashMap = 232 new HashMap<Integer, DcAsyncChannel>(); 233 234 /** Convert an ApnType string to Id (TODO: Use "enumeration" instead of String for ApnType) */ 235 protected HashMap<String, Integer> mApnToDataConnectionId = 236 new HashMap<String, Integer>(); 237 238 /** Phone.APN_TYPE_* ===> ApnContext */ 239 protected ConcurrentHashMap<String, ApnContext> mApnContexts = 240 new ConcurrentHashMap<String, ApnContext>(); 241 242 /* Currently active APN */ 243 protected ApnSetting mActiveApn; 244 245 /** allApns holds all apns */ 246 protected ArrayList<ApnSetting> mAllApnSettings = null; 247 248 /** preferred apn */ 249 protected ApnSetting mPreferredApn = null; 250 251 /** Is packet service restricted by network */ 252 protected boolean mIsPsRestricted = false; 253 254 /* Once disposed dont handle any messages */ 255 protected boolean mIsDisposed = false; 256 257 protected ContentResolver mResolver; 258 259 protected BroadcastReceiver mIntentReceiver = new BroadcastReceiver () 260 { 261 @Override 262 public void onReceive(Context context, Intent intent) 263 { 264 String action = intent.getAction(); 265 if (DBG) log("onReceive: action=" + action); 266 if (action.equals(Intent.ACTION_SCREEN_ON)) { 267 mIsScreenOn = true; 268 stopNetStatPoll(); 269 startNetStatPoll(); 270 restartDataStallAlarm(); 271 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 272 mIsScreenOn = false; 273 stopNetStatPoll(); 274 startNetStatPoll(); 275 restartDataStallAlarm(); 276 } else if (action.startsWith(INTENT_RECONNECT_ALARM)) { 277 if (DBG) log("Reconnect alarm. Previous state was " + mState); 278 onActionIntentReconnectAlarm(intent); 279 } else if (action.startsWith(INTENT_RESTART_TRYSETUP_ALARM)) { 280 if (DBG) log("Restart trySetup alarm"); 281 onActionIntentRestartTrySetupAlarm(intent); 282 } else if (action.equals(INTENT_DATA_STALL_ALARM)) { 283 onActionIntentDataStallAlarm(intent); 284 } else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { 285 final android.net.NetworkInfo networkInfo = (NetworkInfo) 286 intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); 287 mIsWifiConnected = (networkInfo != null && networkInfo.isConnected()); 288 if (DBG) log("NETWORK_STATE_CHANGED_ACTION: mIsWifiConnected=" + mIsWifiConnected); 289 } else if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { 290 final boolean enabled = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 291 WifiManager.WIFI_STATE_UNKNOWN) == WifiManager.WIFI_STATE_ENABLED; 292 293 if (!enabled) { 294 // when WiFi got disabled, the NETWORK_STATE_CHANGED_ACTION 295 // quit and won't report disconnected until next enabling. 296 mIsWifiConnected = false; 297 } 298 if (DBG) log("WIFI_STATE_CHANGED_ACTION: enabled=" + enabled 299 + " mIsWifiConnected=" + mIsWifiConnected); 300 } 301 } 302 }; 303 304 private Runnable mPollNetStat = new Runnable() 305 { 306 @Override 307 public void run() { 308 updateDataActivity(); 309 310 if (mIsScreenOn) { 311 mNetStatPollPeriod = Settings.Global.getInt(mResolver, 312 Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS, POLL_NETSTAT_MILLIS); 313 } else { 314 mNetStatPollPeriod = Settings.Global.getInt(mResolver, 315 Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS, 316 POLL_NETSTAT_SCREEN_OFF_MILLIS); 317 } 318 319 if (mNetStatPollEnabled) { 320 mDataConnectionTracker.postDelayed(this, mNetStatPollPeriod); 321 } 322 } 323 }; 324 325 private class DataRoamingSettingObserver extends ContentObserver { 326 327 public DataRoamingSettingObserver(Handler handler, Context context) { 328 super(handler); 329 mResolver = context.getContentResolver(); 330 } 331 332 public void register() { 333 mResolver.registerContentObserver( 334 Settings.Global.getUriFor(Settings.Global.DATA_ROAMING), false, this); 335 } 336 337 public void unregister() { 338 mResolver.unregisterContentObserver(this); 339 } 340 341 @Override 342 public void onChange(boolean selfChange) { 343 // already running on mPhone handler thread 344 if (mPhone.getServiceState().getRoaming()) { 345 sendMessage(obtainMessage(DctConstants.EVENT_ROAMING_ON)); 346 } 347 } 348 } 349 private final DataRoamingSettingObserver mDataRoamingSettingObserver; 350 351 /** 352 * The Initial MaxRetry sent to a DataConnection as a parameter 353 * to DataConnectionAc.bringUp. This value can be defined at compile 354 * time using the SystemProperty Settings.Global.DCT_INITIAL_MAX_RETRY 355 * and at runtime using gservices to change Settings.Global.DCT_INITIAL_MAX_RETRY. 356 */ 357 private static final int DEFAULT_MDC_INITIAL_RETRY = 1; 358 protected int getInitialMaxRetry() { 359 // Get default value from system property or use DEFAULT_MDC_INITIAL_RETRY 360 int value = SystemProperties.getInt( 361 Settings.Global.MDC_INITIAL_MAX_RETRY, DEFAULT_MDC_INITIAL_RETRY); 362 363 // Check if its been overridden 364 return Settings.Global.getInt(mResolver, 365 Settings.Global.MDC_INITIAL_MAX_RETRY, value); 366 } 367 368 /** 369 * Maintain the sum of transmit and receive packets. 370 * 371 * The packet counts are initialized and reset to -1 and 372 * remain -1 until they can be updated. 373 */ 374 public class TxRxSum { 375 public long txPkts; 376 public long rxPkts; 377 378 public TxRxSum() { 379 reset(); 380 } 381 382 public TxRxSum(long txPkts, long rxPkts) { 383 this.txPkts = txPkts; 384 this.rxPkts = rxPkts; 385 } 386 387 public TxRxSum(TxRxSum sum) { 388 txPkts = sum.txPkts; 389 rxPkts = sum.rxPkts; 390 } 391 392 public void reset() { 393 txPkts = -1; 394 rxPkts = -1; 395 } 396 397 @Override 398 public String toString() { 399 return "{txSum=" + txPkts + " rxSum=" + rxPkts + "}"; 400 } 401 402 public void updateTxRxSum() { 403 this.txPkts = TrafficStats.getMobileTcpTxPackets(); 404 this.rxPkts = TrafficStats.getMobileTcpRxPackets(); 405 } 406 } 407 408 protected void onActionIntentReconnectAlarm(Intent intent) { 409 String reason = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_REASON); 410 String apnType = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_TYPE); 411 412 ApnContext apnContext = mApnContexts.get(apnType); 413 414 if (DBG) { 415 log("onActionIntentReconnectAlarm: mState=" + mState + " reason=" + reason + 416 " apnType=" + apnType + " apnContext=" + apnContext + 417 " mDataConnectionAsyncChannels=" + mDataConnectionAcHashMap); 418 } 419 420 if ((apnContext != null) && (apnContext.isEnabled())) { 421 apnContext.setReason(reason); 422 DctConstants.State apnContextState = apnContext.getState(); 423 if (DBG) { 424 log("onActionIntentReconnectAlarm: apnContext state=" + apnContextState); 425 } 426 if ((apnContextState == DctConstants.State.FAILED) 427 || (apnContextState == DctConstants.State.IDLE)) { 428 if (DBG) { 429 log("onActionIntentReconnectAlarm: state is FAILED|IDLE, disassociate"); 430 } 431 apnContext.setDataConnectionAc(null); 432 apnContext.setState(DctConstants.State.IDLE); 433 } else { 434 if (DBG) log("onActionIntentReconnectAlarm: keep associated"); 435 } 436 // TODO: IF already associated should we send the EVENT_TRY_SETUP_DATA??? 437 sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); 438 439 apnContext.setReconnectIntent(null); 440 } 441 } 442 443 protected void onActionIntentRestartTrySetupAlarm(Intent intent) { 444 String apnType = intent.getStringExtra(INTENT_RESTART_TRYSETUP_ALARM_EXTRA_TYPE); 445 ApnContext apnContext = mApnContexts.get(apnType); 446 sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); 447 } 448 449 protected void onActionIntentDataStallAlarm(Intent intent) { 450 if (VDBG_STALL) log("onActionIntentDataStallAlarm: action=" + intent.getAction()); 451 Message msg = obtainMessage(DctConstants.EVENT_DATA_STALL_ALARM, 452 intent.getAction()); 453 msg.arg1 = intent.getIntExtra(DATA_STALL_ALARM_TAG_EXTRA, 0); 454 sendMessage(msg); 455 } 456 457 /** 458 * Default constructor 459 */ 460 protected DcTrackerBase(PhoneBase phone) { 461 super(); 462 if (DBG) log("DCT.constructor"); 463 mPhone = phone; 464 mResolver = mPhone.getContext().getContentResolver(); 465 mUiccController = UiccController.getInstance(); 466 mUiccController.registerForIccChanged(this, DctConstants.EVENT_ICC_CHANGED, null); 467 mAlarmManager = 468 (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE); 469 470 471 IntentFilter filter = new IntentFilter(); 472 filter.addAction(INTENT_RECONNECT_ALARM); 473 filter.addAction(Intent.ACTION_SCREEN_ON); 474 filter.addAction(Intent.ACTION_SCREEN_OFF); 475 filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); 476 filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); 477 filter.addAction(INTENT_DATA_STALL_ALARM); 478 479 mUserDataEnabled = Settings.Global.getInt( 480 mPhone.getContext().getContentResolver(), Settings.Global.MOBILE_DATA, 1) == 1; 481 482 mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mPhone); 483 484 // This preference tells us 1) initial condition for "dataEnabled", 485 // and 2) whether the RIL will setup the baseband to auto-PS attach. 486 487 mDataEnabled[DctConstants.APN_DEFAULT_ID] = 488 SystemProperties.getBoolean(DEFALUT_DATA_ON_BOOT_PROP,true); 489 if (mDataEnabled[DctConstants.APN_DEFAULT_ID]) { 490 mEnabledCount++; 491 } 492 493 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); 494 mAutoAttachOnCreation = sp.getBoolean(PhoneBase.DATA_DISABLED_ON_BOOT_KEY, false); 495 496 // Watch for changes to Settings.Global.DATA_ROAMING 497 mDataRoamingSettingObserver = new DataRoamingSettingObserver(mPhone, mPhone.getContext()); 498 mDataRoamingSettingObserver.register(); 499 500 HandlerThread dcHandlerThread = new HandlerThread("DcHandlerThread"); 501 dcHandlerThread.start(); 502 Handler dcHandler = new Handler(dcHandlerThread.getLooper()); 503 mDcc = DcController.makeDcc(mPhone, this, dcHandler); 504 mDcTesterFailBringUpAll = new DcTesterFailBringUpAll(mPhone, dcHandler); 505 } 506 507 public void dispose() { 508 if (DBG) log("DCT.dispose"); 509 for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { 510 dcac.disconnect(); 511 } 512 mDataConnectionAcHashMap.clear(); 513 mIsDisposed = true; 514 mPhone.getContext().unregisterReceiver(mIntentReceiver); 515 mUiccController.unregisterForIccChanged(this); 516 mDataRoamingSettingObserver.unregister(); 517 mDcc.dispose(); 518 mDcTesterFailBringUpAll.dispose(); 519 } 520 521 protected void broadcastMessenger() { 522 Intent intent = new Intent(DctConstants.ACTION_DATA_CONNECTION_TRACKER_MESSENGER); 523 intent.putExtra(DctConstants.EXTRA_MESSENGER, new Messenger(this)); 524 mPhone.getContext().sendBroadcast(intent); 525 } 526 527 public DctConstants.Activity getActivity() { 528 return mActivity; 529 } 530 531 public boolean isApnTypeActive(String type) { 532 // TODO: support simultaneous with List instead 533 if (PhoneConstants.APN_TYPE_DUN.equals(type)) { 534 ApnSetting dunApn = fetchDunApn(); 535 if (dunApn != null) { 536 return ((mActiveApn != null) && (dunApn.toString().equals(mActiveApn.toString()))); 537 } 538 } 539 return mActiveApn != null && mActiveApn.canHandleType(type); 540 } 541 542 protected ApnSetting fetchDunApn() { 543 if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) { 544 log("fetchDunApn: net.tethering.noprovisioning=true ret: null"); 545 return null; 546 } 547 Context c = mPhone.getContext(); 548 String apnData = Settings.Global.getString(c.getContentResolver(), 549 Settings.Global.TETHER_DUN_APN); 550 ApnSetting dunSetting = ApnSetting.fromString(apnData); 551 if (dunSetting != null) { 552 if (VDBG) log("fetchDunApn: global TETHER_DUN_APN dunSetting=" + dunSetting); 553 return dunSetting; 554 } 555 556 apnData = c.getResources().getString(R.string.config_tether_apndata); 557 dunSetting = ApnSetting.fromString(apnData); 558 if (VDBG) log("fetchDunApn: config_tether_apndata dunSetting=" + dunSetting); 559 return dunSetting; 560 } 561 562 public String[] getActiveApnTypes() { 563 String[] result; 564 if (mActiveApn != null) { 565 result = mActiveApn.types; 566 } else { 567 result = new String[1]; 568 result[0] = PhoneConstants.APN_TYPE_DEFAULT; 569 } 570 return result; 571 } 572 573 /** TODO: See if we can remove */ 574 public String getActiveApnString(String apnType) { 575 String result = null; 576 if (mActiveApn != null) { 577 result = mActiveApn.apn; 578 } 579 return result; 580 } 581 582 /** 583 * Modify {@link android.provider.Settings.Global#DATA_ROAMING} value. 584 */ 585 public void setDataOnRoamingEnabled(boolean enabled) { 586 if (getDataOnRoamingEnabled() != enabled) { 587 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 588 Settings.Global.putInt(resolver, Settings.Global.DATA_ROAMING, enabled ? 1 : 0); 589 // will trigger handleDataOnRoamingChange() through observer 590 } 591 } 592 593 /** 594 * Return current {@link android.provider.Settings.Global#DATA_ROAMING} value. 595 */ 596 public boolean getDataOnRoamingEnabled() { 597 try { 598 final ContentResolver resolver = mPhone.getContext().getContentResolver(); 599 return Settings.Global.getInt(resolver, Settings.Global.DATA_ROAMING) != 0; 600 } catch (SettingNotFoundException snfe) { 601 return false; 602 } 603 } 604 605 // abstract methods 606 protected abstract void restartRadio(); 607 protected abstract void log(String s); 608 protected abstract void loge(String s); 609 protected abstract boolean isDataAllowed(); 610 protected abstract boolean isApnTypeAvailable(String type); 611 public abstract DctConstants.State getState(String apnType); 612 protected abstract void setState(DctConstants.State s); 613 protected abstract void gotoIdleAndNotifyDataConnection(String reason); 614 615 protected abstract boolean onTrySetupData(String reason); 616 protected abstract void onRoamingOff(); 617 protected abstract void onRoamingOn(); 618 protected abstract void onRadioAvailable(); 619 protected abstract void onRadioOffOrNotAvailable(); 620 protected abstract void onDataSetupComplete(AsyncResult ar); 621 protected abstract void onDataSetupCompleteError(AsyncResult ar); 622 protected abstract void onDisconnectDone(int connId, AsyncResult ar); 623 protected abstract void onDisconnectDcRetrying(int connId, AsyncResult ar); 624 protected abstract void onVoiceCallStarted(); 625 protected abstract void onVoiceCallEnded(); 626 protected abstract void onCleanUpConnection(boolean tearDown, int apnId, String reason); 627 protected abstract void onCleanUpAllConnections(String cause); 628 public abstract boolean isDataPossible(String apnType); 629 protected abstract void onUpdateIcc(); 630 631 @Override 632 public void handleMessage(Message msg) { 633 switch (msg.what) { 634 case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { 635 log("DISCONNECTED_CONNECTED: msg=" + msg); 636 DcAsyncChannel dcac = (DcAsyncChannel) msg.obj; 637 mDataConnectionAcHashMap.remove(dcac.getDataConnectionIdSync()); 638 dcac.disconnected(); 639 break; 640 } 641 case DctConstants.EVENT_ENABLE_NEW_APN: 642 onEnableApn(msg.arg1, msg.arg2); 643 break; 644 645 case DctConstants.EVENT_TRY_SETUP_DATA: 646 String reason = null; 647 if (msg.obj instanceof String) { 648 reason = (String) msg.obj; 649 } 650 onTrySetupData(reason); 651 break; 652 653 case DctConstants.EVENT_DATA_STALL_ALARM: 654 onDataStallAlarm(msg.arg1); 655 break; 656 657 case DctConstants.EVENT_ROAMING_OFF: 658 onRoamingOff(); 659 break; 660 661 case DctConstants.EVENT_ROAMING_ON: 662 onRoamingOn(); 663 break; 664 665 case DctConstants.EVENT_RADIO_AVAILABLE: 666 onRadioAvailable(); 667 break; 668 669 case DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE: 670 onRadioOffOrNotAvailable(); 671 break; 672 673 case DctConstants.EVENT_DATA_SETUP_COMPLETE: 674 mCidActive = msg.arg1; 675 onDataSetupComplete((AsyncResult) msg.obj); 676 break; 677 678 case DctConstants.EVENT_DATA_SETUP_COMPLETE_ERROR: 679 onDataSetupCompleteError((AsyncResult) msg.obj); 680 break; 681 682 case DctConstants.EVENT_DISCONNECT_DONE: 683 log("DataConnectoinTracker.handleMessage: EVENT_DISCONNECT_DONE msg=" + msg); 684 onDisconnectDone(msg.arg1, (AsyncResult) msg.obj); 685 break; 686 687 case DctConstants.EVENT_DISCONNECT_DC_RETRYING: 688 log("DataConnectoinTracker.handleMessage: EVENT_DISCONNECT_DC_RETRYING msg=" + msg); 689 onDisconnectDcRetrying(msg.arg1, (AsyncResult) msg.obj); 690 break; 691 692 case DctConstants.EVENT_VOICE_CALL_STARTED: 693 onVoiceCallStarted(); 694 break; 695 696 case DctConstants.EVENT_VOICE_CALL_ENDED: 697 onVoiceCallEnded(); 698 break; 699 700 case DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS: { 701 onCleanUpAllConnections((String) msg.obj); 702 break; 703 } 704 case DctConstants.EVENT_CLEAN_UP_CONNECTION: { 705 boolean tearDown = (msg.arg1 == 0) ? false : true; 706 onCleanUpConnection(tearDown, msg.arg2, (String) msg.obj); 707 break; 708 } 709 case DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE: { 710 boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 711 onSetInternalDataEnabled(enabled); 712 break; 713 } 714 case DctConstants.EVENT_RESET_DONE: { 715 if (DBG) log("EVENT_RESET_DONE"); 716 onResetDone((AsyncResult) msg.obj); 717 break; 718 } 719 case DctConstants.CMD_SET_USER_DATA_ENABLE: { 720 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 721 if (DBG) log("CMD_SET_USER_DATA_ENABLE enabled=" + enabled); 722 onSetUserDataEnabled(enabled); 723 break; 724 } 725 case DctConstants.CMD_SET_DEPENDENCY_MET: { 726 boolean met = (msg.arg1 == DctConstants.ENABLED) ? true : false; 727 if (DBG) log("CMD_SET_DEPENDENCY_MET met=" + met); 728 Bundle bundle = msg.getData(); 729 if (bundle != null) { 730 String apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); 731 if (apnType != null) { 732 onSetDependencyMet(apnType, met); 733 } 734 } 735 break; 736 } 737 case DctConstants.CMD_SET_POLICY_DATA_ENABLE: { 738 final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; 739 onSetPolicyDataEnabled(enabled); 740 break; 741 } 742 case DctConstants.EVENT_ICC_CHANGED: { 743 onUpdateIcc(); 744 break; 745 } 746 default: 747 Rlog.e("DATA", "Unidentified event msg=" + msg); 748 break; 749 } 750 } 751 752 /** 753 * Report on whether data connectivity is enabled 754 * 755 * @return {@code false} if data connectivity has been explicitly disabled, 756 * {@code true} otherwise. 757 */ 758 public boolean getAnyDataEnabled() { 759 final boolean result; 760 synchronized (mDataEnabledLock) { 761 result = (mInternalDataEnabled && mUserDataEnabled && sPolicyDataEnabled 762 && (mEnabledCount != 0)); 763 } 764 if (!result && DBG) log("getAnyDataEnabled " + result); 765 return result; 766 } 767 768 protected boolean isEmergency() { 769 final boolean result; 770 synchronized (mDataEnabledLock) { 771 result = mPhone.isInEcm() || mPhone.isInEmergencyCall(); 772 } 773 log("isEmergency: result=" + result); 774 return result; 775 } 776 777 protected int apnTypeToId(String type) { 778 if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DEFAULT)) { 779 return DctConstants.APN_DEFAULT_ID; 780 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_MMS)) { 781 return DctConstants.APN_MMS_ID; 782 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_SUPL)) { 783 return DctConstants.APN_SUPL_ID; 784 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_DUN)) { 785 return DctConstants.APN_DUN_ID; 786 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_HIPRI)) { 787 return DctConstants.APN_HIPRI_ID; 788 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_IMS)) { 789 return DctConstants.APN_IMS_ID; 790 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_FOTA)) { 791 return DctConstants.APN_FOTA_ID; 792 } else if (TextUtils.equals(type, PhoneConstants.APN_TYPE_CBS)) { 793 return DctConstants.APN_CBS_ID; 794 } else { 795 return DctConstants.APN_INVALID_ID; 796 } 797 } 798 799 protected String apnIdToType(int id) { 800 switch (id) { 801 case DctConstants.APN_DEFAULT_ID: 802 return PhoneConstants.APN_TYPE_DEFAULT; 803 case DctConstants.APN_MMS_ID: 804 return PhoneConstants.APN_TYPE_MMS; 805 case DctConstants.APN_SUPL_ID: 806 return PhoneConstants.APN_TYPE_SUPL; 807 case DctConstants.APN_DUN_ID: 808 return PhoneConstants.APN_TYPE_DUN; 809 case DctConstants.APN_HIPRI_ID: 810 return PhoneConstants.APN_TYPE_HIPRI; 811 case DctConstants.APN_IMS_ID: 812 return PhoneConstants.APN_TYPE_IMS; 813 case DctConstants.APN_FOTA_ID: 814 return PhoneConstants.APN_TYPE_FOTA; 815 case DctConstants.APN_CBS_ID: 816 return PhoneConstants.APN_TYPE_CBS; 817 default: 818 log("Unknown id (" + id + ") in apnIdToType"); 819 return PhoneConstants.APN_TYPE_DEFAULT; 820 } 821 } 822 823 public LinkProperties getLinkProperties(String apnType) { 824 int id = apnTypeToId(apnType); 825 826 if (isApnIdEnabled(id)) { 827 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 828 return dcac.getLinkPropertiesSync(); 829 } else { 830 return new LinkProperties(); 831 } 832 } 833 834 public LinkCapabilities getLinkCapabilities(String apnType) { 835 int id = apnTypeToId(apnType); 836 if (isApnIdEnabled(id)) { 837 DcAsyncChannel dcac = mDataConnectionAcHashMap.get(0); 838 return dcac.getLinkCapabilitiesSync(); 839 } else { 840 return new LinkCapabilities(); 841 } 842 } 843 844 // tell all active apns of the current condition 845 protected void notifyDataConnection(String reason) { 846 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 847 if (mDataEnabled[id]) { 848 mPhone.notifyDataConnection(reason, apnIdToType(id)); 849 } 850 } 851 notifyOffApnsOfAvailability(reason); 852 } 853 854 // a new APN has gone active and needs to send events to catch up with the 855 // current condition 856 private void notifyApnIdUpToCurrent(String reason, int apnId) { 857 switch (mState) { 858 case IDLE: 859 break; 860 case RETRYING: 861 case CONNECTING: 862 case SCANNING: 863 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 864 PhoneConstants.DataState.CONNECTING); 865 break; 866 case CONNECTED: 867 case DISCONNECTING: 868 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 869 PhoneConstants.DataState.CONNECTING); 870 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 871 PhoneConstants.DataState.CONNECTED); 872 break; 873 default: 874 // Ignore 875 break; 876 } 877 } 878 879 // since we normally don't send info to a disconnected APN, we need to do this specially 880 private void notifyApnIdDisconnected(String reason, int apnId) { 881 mPhone.notifyDataConnection(reason, apnIdToType(apnId), 882 PhoneConstants.DataState.DISCONNECTED); 883 } 884 885 // disabled apn's still need avail/unavail notificiations - send them out 886 protected void notifyOffApnsOfAvailability(String reason) { 887 if (DBG) log("notifyOffApnsOfAvailability - reason= " + reason); 888 for (int id = 0; id < DctConstants.APN_NUM_TYPES; id++) { 889 if (!isApnIdEnabled(id)) { 890 notifyApnIdDisconnected(reason, id); 891 } 892 } 893 } 894 895 public boolean isApnTypeEnabled(String apnType) { 896 if (apnType == null) { 897 return false; 898 } else { 899 return isApnIdEnabled(apnTypeToId(apnType)); 900 } 901 } 902 903 protected synchronized boolean isApnIdEnabled(int id) { 904 if (id != DctConstants.APN_INVALID_ID) { 905 return mDataEnabled[id]; 906 } 907 return false; 908 } 909 910 /** 911 * Ensure that we are connected to an APN of the specified type. 912 * 913 * @param type the APN type (currently the only valid values are 914 * {@link PhoneConstants#APN_TYPE_MMS} and {@link PhoneConstants#APN_TYPE_SUPL}) 915 * @return Success is indicated by {@code Phone.APN_ALREADY_ACTIVE} or 916 * {@code Phone.APN_REQUEST_STARTED}. In the latter case, a 917 * broadcast will be sent by the ConnectivityManager when a 918 * connection to the APN has been established. 919 */ 920 public synchronized int enableApnType(String type) { 921 int id = apnTypeToId(type); 922 if (id == DctConstants.APN_INVALID_ID) { 923 return PhoneConstants.APN_REQUEST_FAILED; 924 } 925 926 if (DBG) { 927 log("enableApnType(" + type + "), isApnTypeActive = " + isApnTypeActive(type) 928 + ", isApnIdEnabled =" + isApnIdEnabled(id) + " and state = " + mState); 929 } 930 931 if (!isApnTypeAvailable(type)) { 932 if (DBG) log("type not available"); 933 return PhoneConstants.APN_TYPE_NOT_AVAILABLE; 934 } 935 936 if (isApnIdEnabled(id)) { 937 return PhoneConstants.APN_ALREADY_ACTIVE; 938 } else { 939 setEnabled(id, true); 940 } 941 return PhoneConstants.APN_REQUEST_STARTED; 942 } 943 944 /** 945 * The APN of the specified type is no longer needed. Ensure that if use of 946 * the default APN has not been explicitly disabled, we are connected to the 947 * default APN. 948 * 949 * @param type the APN type. The only valid values are currently 950 * {@link PhoneConstants#APN_TYPE_MMS} and {@link PhoneConstants#APN_TYPE_SUPL}. 951 * @return Success is indicated by {@code PhoneConstants.APN_ALREADY_ACTIVE} or 952 * {@code PhoneConstants.APN_REQUEST_STARTED}. In the latter case, a 953 * broadcast will be sent by the ConnectivityManager when a 954 * connection to the APN has been disconnected. A {@code 955 * PhoneConstants.APN_REQUEST_FAILED} is returned if the type parameter is 956 * invalid or if the apn wasn't enabled. 957 */ 958 public synchronized int disableApnType(String type) { 959 if (DBG) log("disableApnType(" + type + ")"); 960 int id = apnTypeToId(type); 961 if (id == DctConstants.APN_INVALID_ID) { 962 return PhoneConstants.APN_REQUEST_FAILED; 963 } 964 if (isApnIdEnabled(id)) { 965 setEnabled(id, false); 966 if (isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 967 if (mDataEnabled[DctConstants.APN_DEFAULT_ID]) { 968 return PhoneConstants.APN_ALREADY_ACTIVE; 969 } else { 970 return PhoneConstants.APN_REQUEST_STARTED; 971 } 972 } else { 973 return PhoneConstants.APN_REQUEST_STARTED; 974 } 975 } else { 976 return PhoneConstants.APN_REQUEST_FAILED; 977 } 978 } 979 980 protected void setEnabled(int id, boolean enable) { 981 if (DBG) { 982 log("setEnabled(" + id + ", " + enable + ") with old state = " + mDataEnabled[id] 983 + " and enabledCount = " + mEnabledCount); 984 } 985 Message msg = obtainMessage(DctConstants.EVENT_ENABLE_NEW_APN); 986 msg.arg1 = id; 987 msg.arg2 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 988 sendMessage(msg); 989 } 990 991 protected void onEnableApn(int apnId, int enabled) { 992 if (DBG) { 993 log("EVENT_APN_ENABLE_REQUEST apnId=" + apnId + ", apnType=" + apnIdToType(apnId) + 994 ", enabled=" + enabled + ", dataEnabled = " + mDataEnabled[apnId] + 995 ", enabledCount = " + mEnabledCount + ", isApnTypeActive = " + 996 isApnTypeActive(apnIdToType(apnId))); 997 } 998 if (enabled == DctConstants.ENABLED) { 999 synchronized (this) { 1000 if (!mDataEnabled[apnId]) { 1001 mDataEnabled[apnId] = true; 1002 mEnabledCount++; 1003 } 1004 } 1005 String type = apnIdToType(apnId); 1006 if (!isApnTypeActive(type)) { 1007 mRequestedApnType = type; 1008 onEnableNewApn(); 1009 } else { 1010 notifyApnIdUpToCurrent(Phone.REASON_APN_SWITCHED, apnId); 1011 } 1012 } else { 1013 // disable 1014 boolean didDisable = false; 1015 synchronized (this) { 1016 if (mDataEnabled[apnId]) { 1017 mDataEnabled[apnId] = false; 1018 mEnabledCount--; 1019 didDisable = true; 1020 } 1021 } 1022 if (didDisable) { 1023 if ((mEnabledCount == 0) || (apnId == DctConstants.APN_DUN_ID)) { 1024 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1025 onCleanUpConnection(true, apnId, Phone.REASON_DATA_DISABLED); 1026 } 1027 1028 // send the disconnect msg manually, since the normal route wont send 1029 // it (it's not enabled) 1030 notifyApnIdDisconnected(Phone.REASON_DATA_DISABLED, apnId); 1031 if (mDataEnabled[DctConstants.APN_DEFAULT_ID] == true 1032 && !isApnTypeActive(PhoneConstants.APN_TYPE_DEFAULT)) { 1033 // TODO - this is an ugly way to restore the default conn - should be done 1034 // by a real contention manager and policy that disconnects the lower pri 1035 // stuff as enable requests come in and pops them back on as we disable back 1036 // down to the lower pri stuff 1037 mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; 1038 onEnableNewApn(); 1039 } 1040 } 1041 } 1042 } 1043 1044 /** 1045 * Called when we switch APNs. 1046 * 1047 * mRequestedApnType is set prior to call 1048 * To be overridden. 1049 */ 1050 protected void onEnableNewApn() { 1051 } 1052 1053 /** 1054 * Called when EVENT_RESET_DONE is received so goto 1055 * IDLE state and send notifications to those interested. 1056 * 1057 * TODO - currently unused. Needs to be hooked into DataConnection cleanup 1058 * TODO - needs to pass some notion of which connection is reset.. 1059 */ 1060 protected void onResetDone(AsyncResult ar) { 1061 if (DBG) log("EVENT_RESET_DONE"); 1062 String reason = null; 1063 if (ar.userObj instanceof String) { 1064 reason = (String) ar.userObj; 1065 } 1066 gotoIdleAndNotifyDataConnection(reason); 1067 } 1068 1069 /** 1070 * Prevent mobile data connections from being established, or once again 1071 * allow mobile data connections. If the state toggles, then either tear 1072 * down or set up data, as appropriate to match the new state. 1073 * 1074 * @param enable indicates whether to enable ({@code true}) or disable ( 1075 * {@code false}) data 1076 * @return {@code true} if the operation succeeded 1077 */ 1078 public boolean setInternalDataEnabled(boolean enable) { 1079 if (DBG) 1080 log("setInternalDataEnabled(" + enable + ")"); 1081 1082 Message msg = obtainMessage(DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE); 1083 msg.arg1 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); 1084 sendMessage(msg); 1085 return true; 1086 } 1087 1088 protected void onSetInternalDataEnabled(boolean enabled) { 1089 synchronized (mDataEnabledLock) { 1090 mInternalDataEnabled = enabled; 1091 if (enabled) { 1092 log("onSetInternalDataEnabled: changed to enabled, try to setup data call"); 1093 onTrySetupData(Phone.REASON_DATA_ENABLED); 1094 } else { 1095 log("onSetInternalDataEnabled: changed to disabled, cleanUpAllConnections"); 1096 cleanUpAllConnections(null); 1097 } 1098 } 1099 } 1100 1101 public void cleanUpAllConnections(String cause) { 1102 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS); 1103 msg.obj = cause; 1104 sendMessage(msg); 1105 } 1106 1107 public abstract boolean isDisconnected(); 1108 1109 protected void onSetUserDataEnabled(boolean enabled) { 1110 synchronized (mDataEnabledLock) { 1111 final boolean prevEnabled = getAnyDataEnabled(); 1112 if (mUserDataEnabled != enabled) { 1113 mUserDataEnabled = enabled; 1114 Settings.Global.putInt(mPhone.getContext().getContentResolver(), 1115 Settings.Global.MOBILE_DATA, enabled ? 1 : 0); 1116 if (getDataOnRoamingEnabled() == false && 1117 mPhone.getServiceState().getRoaming() == true) { 1118 if (enabled) { 1119 notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); 1120 } else { 1121 notifyOffApnsOfAvailability(Phone.REASON_DATA_DISABLED); 1122 } 1123 } 1124 if (prevEnabled != getAnyDataEnabled()) { 1125 if (!prevEnabled) { 1126 onTrySetupData(Phone.REASON_DATA_ENABLED); 1127 } else { 1128 onCleanUpAllConnections(Phone.REASON_DATA_DISABLED); 1129 } 1130 } 1131 } 1132 } 1133 } 1134 1135 protected void onSetDependencyMet(String apnType, boolean met) { 1136 } 1137 1138 protected void onSetPolicyDataEnabled(boolean enabled) { 1139 synchronized (mDataEnabledLock) { 1140 final boolean prevEnabled = getAnyDataEnabled(); 1141 if (sPolicyDataEnabled != enabled) { 1142 sPolicyDataEnabled = enabled; 1143 if (prevEnabled != getAnyDataEnabled()) { 1144 if (!prevEnabled) { 1145 onTrySetupData(Phone.REASON_DATA_ENABLED); 1146 } else { 1147 onCleanUpAllConnections(Phone.REASON_DATA_DISABLED); 1148 } 1149 } 1150 } 1151 } 1152 } 1153 1154 protected String getReryConfig(boolean forDefault) { 1155 int nt = mPhone.getServiceState().getNetworkType(); 1156 1157 if ((nt == TelephonyManager.NETWORK_TYPE_CDMA) || 1158 (nt == TelephonyManager.NETWORK_TYPE_1xRTT) || 1159 (nt == TelephonyManager.NETWORK_TYPE_EVDO_0) || 1160 (nt == TelephonyManager.NETWORK_TYPE_EVDO_A) || 1161 (nt == TelephonyManager.NETWORK_TYPE_EVDO_B) || 1162 (nt == TelephonyManager.NETWORK_TYPE_EHRPD)) { 1163 // CDMA variant 1164 return SystemProperties.get("ro.cdma.data_retry_config"); 1165 } else { 1166 // Use GSM varient for all others. 1167 if (forDefault) { 1168 return SystemProperties.get("ro.gsm.data_retry_config"); 1169 } else { 1170 return SystemProperties.get("ro.gsm.2nd_data_retry_config"); 1171 } 1172 } 1173 } 1174 1175 protected void resetPollStats() { 1176 mTxPkts = -1; 1177 mRxPkts = -1; 1178 mNetStatPollPeriod = POLL_NETSTAT_MILLIS; 1179 } 1180 1181 protected abstract DctConstants.State getOverallState(); 1182 1183 protected void startNetStatPoll() { 1184 if (getOverallState() == DctConstants.State.CONNECTED && mNetStatPollEnabled == false) { 1185 if (DBG) log("startNetStatPoll"); 1186 resetPollStats(); 1187 mNetStatPollEnabled = true; 1188 mPollNetStat.run(); 1189 } 1190 } 1191 1192 protected void stopNetStatPoll() { 1193 mNetStatPollEnabled = false; 1194 removeCallbacks(mPollNetStat); 1195 if (DBG) log("stopNetStatPoll"); 1196 } 1197 1198 public void updateDataActivity() { 1199 long sent, received; 1200 1201 DctConstants.Activity newActivity; 1202 1203 TxRxSum preTxRxSum = new TxRxSum(mTxPkts, mRxPkts); 1204 TxRxSum curTxRxSum = new TxRxSum(); 1205 curTxRxSum.updateTxRxSum(); 1206 mTxPkts = curTxRxSum.txPkts; 1207 mRxPkts = curTxRxSum.rxPkts; 1208 1209 if (VDBG) { 1210 log("updateDataActivity: curTxRxSum=" + curTxRxSum + " preTxRxSum=" + preTxRxSum); 1211 } 1212 1213 if (mNetStatPollEnabled && (preTxRxSum.txPkts > 0 || preTxRxSum.rxPkts > 0)) { 1214 sent = mTxPkts - preTxRxSum.txPkts; 1215 received = mRxPkts - preTxRxSum.rxPkts; 1216 1217 if (VDBG) 1218 log("updateDataActivity: sent=" + sent + " received=" + received); 1219 if (sent > 0 && received > 0) { 1220 newActivity = DctConstants.Activity.DATAINANDOUT; 1221 } else if (sent > 0 && received == 0) { 1222 newActivity = DctConstants.Activity.DATAOUT; 1223 } else if (sent == 0 && received > 0) { 1224 newActivity = DctConstants.Activity.DATAIN; 1225 } else { 1226 newActivity = (mActivity == DctConstants.Activity.DORMANT) ? 1227 mActivity : DctConstants.Activity.NONE; 1228 } 1229 1230 if (mActivity != newActivity && mIsScreenOn) { 1231 if (VDBG) 1232 log("updateDataActivity: newActivity=" + newActivity); 1233 mActivity = newActivity; 1234 mPhone.notifyDataActivity(); 1235 } 1236 } 1237 } 1238 1239 // Recovery action taken in case of data stall 1240 protected static class RecoveryAction { 1241 public static final int GET_DATA_CALL_LIST = 0; 1242 public static final int CLEANUP = 1; 1243 public static final int REREGISTER = 2; 1244 public static final int RADIO_RESTART = 3; 1245 public static final int RADIO_RESTART_WITH_PROP = 4; 1246 1247 private static boolean isAggressiveRecovery(int value) { 1248 return ((value == RecoveryAction.CLEANUP) || 1249 (value == RecoveryAction.REREGISTER) || 1250 (value == RecoveryAction.RADIO_RESTART) || 1251 (value == RecoveryAction.RADIO_RESTART_WITH_PROP)); 1252 } 1253 } 1254 1255 public int getRecoveryAction() { 1256 int action = Settings.System.getInt(mPhone.getContext().getContentResolver(), 1257 "radio.data.stall.recovery.action", RecoveryAction.GET_DATA_CALL_LIST); 1258 if (VDBG_STALL) log("getRecoveryAction: " + action); 1259 return action; 1260 } 1261 public void putRecoveryAction(int action) { 1262 Settings.System.putInt(mPhone.getContext().getContentResolver(), 1263 "radio.data.stall.recovery.action", action); 1264 if (VDBG_STALL) log("putRecoveryAction: " + action); 1265 } 1266 1267 protected boolean isConnected() { 1268 return false; 1269 } 1270 1271 protected void doRecovery() { 1272 if (getOverallState() == DctConstants.State.CONNECTED) { 1273 // Go through a series of recovery steps, each action transitions to the next action 1274 int recoveryAction = getRecoveryAction(); 1275 switch (recoveryAction) { 1276 case RecoveryAction.GET_DATA_CALL_LIST: 1277 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_GET_DATA_CALL_LIST, 1278 mSentSinceLastRecv); 1279 if (DBG) log("doRecovery() get data call list"); 1280 mPhone.mCi.getDataCallList(obtainMessage(DctConstants.EVENT_DATA_STATE_CHANGED)); 1281 putRecoveryAction(RecoveryAction.CLEANUP); 1282 break; 1283 case RecoveryAction.CLEANUP: 1284 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_CLEANUP, mSentSinceLastRecv); 1285 if (DBG) log("doRecovery() cleanup all connections"); 1286 cleanUpAllConnections(Phone.REASON_PDP_RESET); 1287 putRecoveryAction(RecoveryAction.REREGISTER); 1288 break; 1289 case RecoveryAction.REREGISTER: 1290 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_REREGISTER, 1291 mSentSinceLastRecv); 1292 if (DBG) log("doRecovery() re-register"); 1293 mPhone.getServiceStateTracker().reRegisterNetwork(null); 1294 putRecoveryAction(RecoveryAction.RADIO_RESTART); 1295 break; 1296 case RecoveryAction.RADIO_RESTART: 1297 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART, 1298 mSentSinceLastRecv); 1299 if (DBG) log("restarting radio"); 1300 putRecoveryAction(RecoveryAction.RADIO_RESTART_WITH_PROP); 1301 restartRadio(); 1302 break; 1303 case RecoveryAction.RADIO_RESTART_WITH_PROP: 1304 // This is in case radio restart has not recovered the data. 1305 // It will set an additional "gsm.radioreset" property to tell 1306 // RIL or system to take further action. 1307 // The implementation of hard reset recovery action is up to OEM product. 1308 // Once RADIO_RESET property is consumed, it is expected to set back 1309 // to false by RIL. 1310 EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART_WITH_PROP, -1); 1311 if (DBG) log("restarting radio with gsm.radioreset to true"); 1312 SystemProperties.set(RADIO_RESET_PROPERTY, "true"); 1313 // give 1 sec so property change can be notified. 1314 try { 1315 Thread.sleep(1000); 1316 } catch (InterruptedException e) {} 1317 restartRadio(); 1318 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1319 break; 1320 default: 1321 throw new RuntimeException("doRecovery: Invalid recoveryAction=" + 1322 recoveryAction); 1323 } 1324 mSentSinceLastRecv = 0; 1325 } 1326 } 1327 1328 private void updateDataStallInfo() { 1329 long sent, received; 1330 1331 TxRxSum preTxRxSum = new TxRxSum(mDataStallTxRxSum); 1332 mDataStallTxRxSum.updateTxRxSum(); 1333 1334 if (VDBG_STALL) { 1335 log("updateDataStallInfo: mDataStallTxRxSum=" + mDataStallTxRxSum + 1336 " preTxRxSum=" + preTxRxSum); 1337 } 1338 1339 sent = mDataStallTxRxSum.txPkts - preTxRxSum.txPkts; 1340 received = mDataStallTxRxSum.rxPkts - preTxRxSum.rxPkts; 1341 1342 if (RADIO_TESTS) { 1343 if (SystemProperties.getBoolean("radio.test.data.stall", false)) { 1344 log("updateDataStallInfo: radio.test.data.stall true received = 0;"); 1345 received = 0; 1346 } 1347 } 1348 if ( sent > 0 && received > 0 ) { 1349 if (VDBG_STALL) log("updateDataStallInfo: IN/OUT"); 1350 mSentSinceLastRecv = 0; 1351 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1352 } else if (sent > 0 && received == 0) { 1353 if (mPhone.getState() == PhoneConstants.State.IDLE) { 1354 mSentSinceLastRecv += sent; 1355 } else { 1356 mSentSinceLastRecv = 0; 1357 } 1358 if (DBG) { 1359 log("updateDataStallInfo: OUT sent=" + sent + 1360 " mSentSinceLastRecv=" + mSentSinceLastRecv); 1361 } 1362 } else if (sent == 0 && received > 0) { 1363 if (VDBG_STALL) log("updateDataStallInfo: IN"); 1364 mSentSinceLastRecv = 0; 1365 putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); 1366 } else { 1367 if (VDBG_STALL) log("updateDataStallInfo: NONE"); 1368 } 1369 } 1370 1371 protected void onDataStallAlarm(int tag) { 1372 if (mDataStallAlarmTag != tag) { 1373 if (DBG) { 1374 log("onDataStallAlarm: ignore, tag=" + tag + " expecting " + mDataStallAlarmTag); 1375 } 1376 return; 1377 } 1378 updateDataStallInfo(); 1379 1380 int hangWatchdogTrigger = Settings.Global.getInt(mResolver, 1381 Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT, 1382 NUMBER_SENT_PACKETS_OF_HANG); 1383 1384 boolean suspectedStall = DATA_STALL_NOT_SUSPECTED; 1385 if (mSentSinceLastRecv >= hangWatchdogTrigger) { 1386 if (DBG) { 1387 log("onDataStallAlarm: tag=" + tag + " do recovery action=" + getRecoveryAction()); 1388 } 1389 suspectedStall = DATA_STALL_SUSPECTED; 1390 sendMessage(obtainMessage(DctConstants.EVENT_DO_RECOVERY)); 1391 } else { 1392 if (VDBG_STALL) { 1393 log("onDataStallAlarm: tag=" + tag + " Sent " + String.valueOf(mSentSinceLastRecv) + 1394 " pkts since last received, < watchdogTrigger=" + hangWatchdogTrigger); 1395 } 1396 } 1397 startDataStallAlarm(suspectedStall); 1398 } 1399 1400 protected void startDataStallAlarm(boolean suspectedStall) { 1401 int nextAction = getRecoveryAction(); 1402 int delayInMs; 1403 1404 if (getOverallState() == DctConstants.State.CONNECTED) { 1405 // If screen is on or data stall is currently suspected, set the alarm 1406 // with an aggresive timeout. 1407 if (mIsScreenOn || suspectedStall || RecoveryAction.isAggressiveRecovery(nextAction)) { 1408 delayInMs = Settings.Global.getInt(mResolver, 1409 Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS, 1410 DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1411 } else { 1412 delayInMs = Settings.Global.getInt(mResolver, 1413 Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS, 1414 DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT); 1415 } 1416 1417 mDataStallAlarmTag += 1; 1418 if (VDBG_STALL) { 1419 log("startDataStallAlarm: tag=" + mDataStallAlarmTag + 1420 " delay=" + (delayInMs / 1000) + "s"); 1421 } 1422 Intent intent = new Intent(INTENT_DATA_STALL_ALARM); 1423 intent.putExtra(DATA_STALL_ALARM_TAG_EXTRA, mDataStallAlarmTag); 1424 mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, 1425 PendingIntent.FLAG_UPDATE_CURRENT); 1426 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, 1427 SystemClock.elapsedRealtime() + delayInMs, mDataStallAlarmIntent); 1428 } else { 1429 if (VDBG_STALL) { 1430 log("startDataStallAlarm: NOT started, no connection tag=" + mDataStallAlarmTag); 1431 } 1432 } 1433 } 1434 1435 protected void stopDataStallAlarm() { 1436 if (VDBG_STALL) { 1437 log("stopDataStallAlarm: current tag=" + mDataStallAlarmTag + 1438 " mDataStallAlarmIntent=" + mDataStallAlarmIntent); 1439 } 1440 mDataStallAlarmTag += 1; 1441 if (mDataStallAlarmIntent != null) { 1442 mAlarmManager.cancel(mDataStallAlarmIntent); 1443 mDataStallAlarmIntent = null; 1444 } 1445 } 1446 1447 protected void restartDataStallAlarm() { 1448 if (isConnected() == false) return; 1449 // To be called on screen status change. 1450 // Do not cancel the alarm if it is set with aggressive timeout. 1451 int nextAction = getRecoveryAction(); 1452 1453 if (RecoveryAction.isAggressiveRecovery(nextAction)) { 1454 if (DBG) log("restartDataStallAlarm: action is pending. not resetting the alarm."); 1455 return; 1456 } 1457 if (VDBG_STALL) log("restartDataStallAlarm: stop then start."); 1458 stopDataStallAlarm(); 1459 startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); 1460 } 1461 1462 void sendCleanUpConnection(boolean tearDown, ApnContext apnContext) { 1463 if (DBG)log("sendCleanUpConnection: tearDown=" + tearDown + " apnContext=" + apnContext); 1464 Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_CONNECTION); 1465 msg.arg1 = tearDown ? 1 : 0; 1466 msg.arg2 = 0; 1467 msg.obj = apnContext; 1468 sendMessage(msg); 1469 } 1470 1471 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1472 pw.println("DataConnectionTrackerBase:"); 1473 pw.println(" RADIO_TESTS=" + RADIO_TESTS); 1474 pw.println(" mInternalDataEnabled=" + mInternalDataEnabled); 1475 pw.println(" mUserDataEnabled=" + mUserDataEnabled); 1476 pw.println(" sPolicyDataEnabed=" + sPolicyDataEnabled); 1477 pw.println(" mDataEnabled:"); 1478 for(int i=0; i < mDataEnabled.length; i++) { 1479 pw.printf(" mDataEnabled[%d]=%b\n", i, mDataEnabled[i]); 1480 } 1481 pw.flush(); 1482 pw.println(" mEnabledCount=" + mEnabledCount); 1483 pw.println(" mRequestedApnType=" + mRequestedApnType); 1484 pw.println(" mPhone=" + mPhone.getPhoneName()); 1485 pw.println(" mActivity=" + mActivity); 1486 pw.println(" mState=" + mState); 1487 pw.println(" mTxPkts=" + mTxPkts); 1488 pw.println(" mRxPkts=" + mRxPkts); 1489 pw.println(" mNetStatPollPeriod=" + mNetStatPollPeriod); 1490 pw.println(" mNetStatPollEnabled=" + mNetStatPollEnabled); 1491 pw.println(" mDataStallTxRxSum=" + mDataStallTxRxSum); 1492 pw.println(" mDataStallAlarmTag=" + mDataStallAlarmTag); 1493 pw.println(" mSentSinceLastRecv=" + mSentSinceLastRecv); 1494 pw.println(" mNoRecvPollCount=" + mNoRecvPollCount); 1495 pw.println(" mResolver=" + mResolver); 1496 pw.println(" mIsWifiConnected=" + mIsWifiConnected); 1497 pw.println(" mReconnectIntent=" + mReconnectIntent); 1498 pw.println(" mCidActive=" + mCidActive); 1499 pw.println(" mAutoAttachOnCreation=" + mAutoAttachOnCreation); 1500 pw.println(" mIsScreenOn=" + mIsScreenOn); 1501 pw.println(" mUniqueIdGenerator=" + mUniqueIdGenerator); 1502 pw.flush(); 1503 pw.println(" ***************************************"); 1504 DcController dcc = mDcc; 1505 if (dcc != null) { 1506 dcc.dump(fd, pw, args); 1507 } else { 1508 pw.println(" mDcc=null"); 1509 } 1510 pw.println(" ***************************************"); 1511 HashMap<Integer, DataConnection> dcs = mDataConnections; 1512 if (dcs != null) { 1513 Set<Entry<Integer, DataConnection> > mDcSet = mDataConnections.entrySet(); 1514 pw.println(" mDataConnections: count=" + mDcSet.size()); 1515 for (Entry<Integer, DataConnection> entry : mDcSet) { 1516 pw.printf(" *** mDataConnection[%d] \n", entry.getKey()); 1517 entry.getValue().dump(fd, pw, args); 1518 } 1519 } else { 1520 pw.println("mDataConnections=null"); 1521 } 1522 pw.println(" ***************************************"); 1523 pw.flush(); 1524 HashMap<String, Integer> apnToDcId = mApnToDataConnectionId; 1525 if (apnToDcId != null) { 1526 Set<Entry<String, Integer>> apnToDcIdSet = apnToDcId.entrySet(); 1527 pw.println(" mApnToDataConnectonId size=" + apnToDcIdSet.size()); 1528 for (Entry<String, Integer> entry : apnToDcIdSet) { 1529 pw.printf(" mApnToDataConnectonId[%s]=%d\n", entry.getKey(), entry.getValue()); 1530 } 1531 } else { 1532 pw.println("mApnToDataConnectionId=null"); 1533 } 1534 pw.println(" ***************************************"); 1535 pw.flush(); 1536 ConcurrentHashMap<String, ApnContext> apnCtxs = mApnContexts; 1537 if (apnCtxs != null) { 1538 Set<Entry<String, ApnContext>> apnCtxsSet = apnCtxs.entrySet(); 1539 pw.println(" mApnContexts size=" + apnCtxsSet.size()); 1540 for (Entry<String, ApnContext> entry : apnCtxsSet) { 1541 entry.getValue().dump(fd, pw, args); 1542 } 1543 pw.println(" ***************************************"); 1544 } else { 1545 pw.println(" mApnContexts=null"); 1546 } 1547 pw.flush(); 1548 pw.println(" mActiveApn=" + mActiveApn); 1549 ArrayList<ApnSetting> apnSettings = mAllApnSettings; 1550 if (apnSettings != null) { 1551 pw.println(" mAllApnSettings size=" + apnSettings.size()); 1552 for (int i=0; i < apnSettings.size(); i++) { 1553 pw.printf(" mAllApnSettings[%d]: %s\n", i, apnSettings.get(i)); 1554 } 1555 pw.flush(); 1556 } else { 1557 pw.println(" mAllApnSettings=null"); 1558 } 1559 pw.println(" mPreferredApn=" + mPreferredApn); 1560 pw.println(" mIsPsRestricted=" + mIsPsRestricted); 1561 pw.println(" mIsDisposed=" + mIsDisposed); 1562 pw.println(" mIntentReceiver=" + mIntentReceiver); 1563 pw.println(" mDataRoamingSettingObserver=" + mDataRoamingSettingObserver); 1564 pw.flush(); 1565 } 1566} 1567