/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.internal.telephony.dataconnection; import android.app.AlarmManager; import android.app.PendingIntent; import android.app.ProgressDialog; import android.content.ActivityNotFoundException; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.content.res.Resources; import android.database.ContentObserver; import android.database.Cursor; import android.net.ConnectivityManager; import android.net.LinkProperties; import android.net.NetworkCapabilities; import android.net.NetworkConfig; import android.net.NetworkInfo; import android.net.NetworkRequest; import android.net.NetworkUtils; import android.net.ProxyInfo; import android.net.TrafficStats; import android.net.Uri; import android.net.wifi.WifiManager; import android.os.AsyncResult; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.os.Message; import android.os.RegistrantList; import android.os.ServiceManager; import android.os.SystemClock; import android.os.SystemProperties; import android.preference.PreferenceManager; import android.provider.Settings; import android.provider.Settings.SettingNotFoundException; import android.provider.Telephony; import android.telephony.CellLocation; import android.telephony.PcoData; import android.telephony.Rlog; import android.telephony.ServiceState; import android.telephony.SubscriptionManager; import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener; import android.telephony.TelephonyManager; import android.telephony.cdma.CdmaCellLocation; import android.telephony.gsm.GsmCellLocation; import android.text.TextUtils; import android.util.EventLog; import android.util.LocalLog; import android.util.Pair; import android.util.SparseArray; import android.view.WindowManager; import com.android.internal.R; import com.android.internal.annotations.VisibleForTesting; import com.android.internal.telephony.DctConstants; import com.android.internal.telephony.EventLogTags; import com.android.internal.telephony.GsmCdmaPhone; import com.android.internal.telephony.ITelephony; import com.android.internal.telephony.Phone; import com.android.internal.telephony.PhoneConstants; import com.android.internal.telephony.RILConstants; import com.android.internal.telephony.ServiceStateTracker; import com.android.internal.telephony.TelephonyIntents; import com.android.internal.telephony.metrics.TelephonyMetrics; import com.android.internal.telephony.uicc.IccRecords; import com.android.internal.telephony.uicc.UiccController; import com.android.internal.util.ArrayUtils; import com.android.internal.util.AsyncChannel; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map.Entry; import java.util.Objects; import java.util.PriorityQueue; import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.atomic.AtomicInteger; import java.util.concurrent.atomic.AtomicReference; /** * {@hide} */ public class DcTracker extends Handler { private static final String LOG_TAG = "DCT"; private static final boolean DBG = true; private static final boolean VDBG = false; // STOPSHIP if true private static final boolean VDBG_STALL = false; // STOPSHIP if true private static final boolean RADIO_TESTS = false; public AtomicBoolean isCleanupRequired = new AtomicBoolean(false); private final AlarmManager mAlarmManager; /* Currently requested APN type (TODO: This should probably be a parameter not a member) */ private String mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; // All data enabling/disabling related settings private final DataEnabledSettings mDataEnabledSettings = new DataEnabledSettings(); /** * After detecting a potential connection problem, this is the max number * of subsequent polls before attempting recovery. */ // 1 sec. default polling interval when screen is on. private static final int POLL_NETSTAT_MILLIS = 1000; // 10 min. default polling interval when screen is off. private static final int POLL_NETSTAT_SCREEN_OFF_MILLIS = 1000*60*10; // Default sent packets without ack which triggers initial recovery steps private static final int NUMBER_SENT_PACKETS_OF_HANG = 10; // Default for the data stall alarm while non-aggressive stall detection private static final int DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60 * 6; // Default for the data stall alarm for aggressive stall detection private static final int DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60; // Tag for tracking stale alarms private static final String DATA_STALL_ALARM_TAG_EXTRA = "data.stall.alram.tag"; private static final boolean DATA_STALL_SUSPECTED = true; private static final boolean DATA_STALL_NOT_SUSPECTED = false; private String RADIO_RESET_PROPERTY = "gsm.radioreset"; private static final String INTENT_RECONNECT_ALARM = "com.android.internal.telephony.data-reconnect"; private static final String INTENT_RECONNECT_ALARM_EXTRA_TYPE = "reconnect_alarm_extra_type"; private static final String INTENT_RECONNECT_ALARM_EXTRA_REASON = "reconnect_alarm_extra_reason"; private static final String INTENT_DATA_STALL_ALARM = "com.android.internal.telephony.data-stall"; @VisibleForTesting public static class DataAllowFailReason { private HashSet mDataAllowFailReasonSet = new HashSet<>(); public void addDataAllowFailReason(DataAllowFailReasonType type) { mDataAllowFailReasonSet.add(type); } public String getDataAllowFailReason() { StringBuilder failureReason = new StringBuilder(); failureReason.append("isDataAllowed: No"); for(DataAllowFailReasonType reason : mDataAllowFailReasonSet) { failureReason.append(reason.mFailReasonStr); } return failureReason.toString(); } public boolean isFailForSingleReason(DataAllowFailReasonType failReasonType) { return (mDataAllowFailReasonSet.size() == 1) && (mDataAllowFailReasonSet.contains(failReasonType)); } public void clearAllReasons() { mDataAllowFailReasonSet.clear(); } public boolean isFailed() { return mDataAllowFailReasonSet.size() > 0; } } @VisibleForTesting public enum DataAllowFailReasonType { NOT_ATTACHED(" - Not attached"), RECORD_NOT_LOADED(" - SIM not loaded"), ROAMING_DISABLED(" - Roaming and data roaming not enabled"), INVALID_PHONE_STATE(" - PhoneState is not idle"), CONCURRENT_VOICE_DATA_NOT_ALLOWED(" - Concurrent voice and data not allowed"), PS_RESTRICTED(" - mIsPsRestricted= true"), UNDESIRED_POWER_STATE(" - desiredPowerState= false"), INTERNAL_DATA_DISABLED(" - mInternalDataEnabled= false"), DEFAULT_DATA_UNSELECTED(" - defaultDataSelected= false"), RADIO_DISABLED_BY_CARRIER(" - powerStateFromCarrier= false"); public String mFailReasonStr; DataAllowFailReasonType(String reason) { mFailReasonStr = reason; } } private DcTesterFailBringUpAll mDcTesterFailBringUpAll; private DcController mDcc; /** kept in sync with mApnContexts * Higher numbers are higher priority and sorted so highest priority is first */ private final PriorityQueuemPrioritySortedApnContexts = new PriorityQueue(5, new Comparator() { public int compare(ApnContext c1, ApnContext c2) { return c2.priority - c1.priority; } } ); /** allApns holds all apns */ private ArrayList mAllApnSettings = null; /** preferred apn */ private ApnSetting mPreferredApn = null; /** Is packet service restricted by network */ private boolean mIsPsRestricted = false; /** emergency apn Setting*/ private ApnSetting mEmergencyApn = null; /* Once disposed dont handle any messages */ private boolean mIsDisposed = false; private ContentResolver mResolver; /* Set to true with CMD_ENABLE_MOBILE_PROVISIONING */ private boolean mIsProvisioning = false; /* The Url passed as object parameter in CMD_ENABLE_MOBILE_PROVISIONING */ private String mProvisioningUrl = null; /* Intent for the provisioning apn alarm */ private static final String INTENT_PROVISIONING_APN_ALARM = "com.android.internal.telephony.provisioning_apn_alarm"; /* Tag for tracking stale alarms */ private static final String PROVISIONING_APN_ALARM_TAG_EXTRA = "provisioning.apn.alarm.tag"; /* Debug property for overriding the PROVISIONING_APN_ALARM_DELAY_IN_MS */ private static final String DEBUG_PROV_APN_ALARM = "persist.debug.prov_apn_alarm"; /* Default for the provisioning apn alarm timeout */ private static final int PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT = 1000 * 60 * 15; /* The provision apn alarm intent used to disable the provisioning apn */ private PendingIntent mProvisioningApnAlarmIntent = null; /* Used to track stale provisioning apn alarms */ private int mProvisioningApnAlarmTag = (int) SystemClock.elapsedRealtime(); private AsyncChannel mReplyAc = new AsyncChannel(); private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver () { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (action.equals(Intent.ACTION_SCREEN_ON)) { if (DBG) log("screen on"); mIsScreenOn = true; stopNetStatPoll(); startNetStatPoll(); restartDataStallAlarm(); } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { if (DBG) log("screen off"); mIsScreenOn = false; stopNetStatPoll(); startNetStatPoll(); restartDataStallAlarm(); } else if (action.startsWith(INTENT_RECONNECT_ALARM)) { if (DBG) log("Reconnect alarm. Previous state was " + mState); onActionIntentReconnectAlarm(intent); } else if (action.equals(INTENT_DATA_STALL_ALARM)) { if (DBG) log("Data stall alarm"); onActionIntentDataStallAlarm(intent); } else if (action.equals(INTENT_PROVISIONING_APN_ALARM)) { if (DBG) log("Provisioning apn alarm"); onActionIntentProvisioningApnAlarm(intent); } else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { final android.net.NetworkInfo networkInfo = (NetworkInfo) intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); mIsWifiConnected = (networkInfo != null && networkInfo.isConnected()); if (DBG) log("NETWORK_STATE_CHANGED_ACTION: mIsWifiConnected=" + mIsWifiConnected); } else if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { if (DBG) log("Wifi state changed"); final boolean enabled = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, WifiManager.WIFI_STATE_UNKNOWN) == WifiManager.WIFI_STATE_ENABLED; if (!enabled) { // when WiFi got disabled, the NETWORK_STATE_CHANGED_ACTION // quit and won't report disconnected until next enabling. mIsWifiConnected = false; } if (DBG) { log("WIFI_STATE_CHANGED_ACTION: enabled=" + enabled + " mIsWifiConnected=" + mIsWifiConnected); } } else { if (DBG) log("onReceive: Unknown action=" + action); } } }; private final Runnable mPollNetStat = new Runnable() { @Override public void run() { updateDataActivity(); if (mIsScreenOn) { mNetStatPollPeriod = Settings.Global.getInt(mResolver, Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS, POLL_NETSTAT_MILLIS); } else { mNetStatPollPeriod = Settings.Global.getInt(mResolver, Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS, POLL_NETSTAT_SCREEN_OFF_MILLIS); } if (mNetStatPollEnabled) { mDataConnectionTracker.postDelayed(this, mNetStatPollPeriod); } } }; private SubscriptionManager mSubscriptionManager; private final OnSubscriptionsChangedListener mOnSubscriptionsChangedListener = new OnSubscriptionsChangedListener() { public final AtomicInteger mPreviousSubId = new AtomicInteger(SubscriptionManager.INVALID_SUBSCRIPTION_ID); /** * Callback invoked when there is any change to any SubscriptionInfo. Typically * this method invokes {@link SubscriptionManager#getActiveSubscriptionInfoList} */ @Override public void onSubscriptionsChanged() { if (DBG) log("SubscriptionListener.onSubscriptionInfoChanged"); // Set the network type, in case the radio does not restore it. int subId = mPhone.getSubId(); if (SubscriptionManager.isValidSubscriptionId(subId)) { registerSettingsObserver(); } if (mPreviousSubId.getAndSet(subId) != subId && SubscriptionManager.isValidSubscriptionId(subId)) { onRecordsLoadedOrSubIdChanged(); } } }; private static class SettingsObserver extends ContentObserver { final private HashMap mUriEventMap; final private Context mContext; final private Handler mHandler; final private static String TAG = "DcTracker.SettingsObserver"; SettingsObserver(Context context, Handler handler) { super(null); mUriEventMap = new HashMap(); mContext = context; mHandler = handler; } void observe(Uri uri, int what) { mUriEventMap.put(uri, what); final ContentResolver resolver = mContext.getContentResolver(); resolver.registerContentObserver(uri, false, this); } void unobserve() { final ContentResolver resolver = mContext.getContentResolver(); resolver.unregisterContentObserver(this); } @Override public void onChange(boolean selfChange) { Rlog.e(TAG, "Should never be reached."); } @Override public void onChange(boolean selfChange, Uri uri) { final Integer what = mUriEventMap.get(uri); if (what != null) { mHandler.obtainMessage(what.intValue()).sendToTarget(); } else { Rlog.e(TAG, "No matching event to send for URI=" + uri); } } } private final SettingsObserver mSettingsObserver; private void registerSettingsObserver() { mSettingsObserver.unobserve(); String simSuffix = ""; if (TelephonyManager.getDefault().getSimCount() > 1) { simSuffix = Integer.toString(mPhone.getSubId()); } mSettingsObserver.observe( Settings.Global.getUriFor(Settings.Global.DATA_ROAMING + simSuffix), DctConstants.EVENT_ROAMING_ON); mSettingsObserver.observe( Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED), DctConstants.EVENT_DEVICE_PROVISIONED_CHANGE); mSettingsObserver.observe( Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED), DctConstants.EVENT_DEVICE_PROVISIONED_CHANGE); } /** * Maintain the sum of transmit and receive packets. * * The packet counts are initialized and reset to -1 and * remain -1 until they can be updated. */ public static class TxRxSum { public long txPkts; public long rxPkts; public TxRxSum() { reset(); } public TxRxSum(long txPkts, long rxPkts) { this.txPkts = txPkts; this.rxPkts = rxPkts; } public TxRxSum(TxRxSum sum) { txPkts = sum.txPkts; rxPkts = sum.rxPkts; } public void reset() { txPkts = -1; rxPkts = -1; } @Override public String toString() { return "{txSum=" + txPkts + " rxSum=" + rxPkts + "}"; } public void updateTxRxSum() { this.txPkts = TrafficStats.getMobileTcpTxPackets(); this.rxPkts = TrafficStats.getMobileTcpRxPackets(); } } private void onActionIntentReconnectAlarm(Intent intent) { String reason = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_REASON); String apnType = intent.getStringExtra(INTENT_RECONNECT_ALARM_EXTRA_TYPE); int phoneSubId = mPhone.getSubId(); int currSubId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, SubscriptionManager.INVALID_SUBSCRIPTION_ID); log("onActionIntentReconnectAlarm: currSubId = " + currSubId + " phoneSubId=" + phoneSubId); // Stop reconnect if not current subId is not correct. // FIXME STOPSHIP - phoneSubId is coming up as -1 way after boot and failing this? if (!SubscriptionManager.isValidSubscriptionId(currSubId) || (currSubId != phoneSubId)) { log("receive ReconnectAlarm but subId incorrect, ignore"); return; } ApnContext apnContext = mApnContexts.get(apnType); if (DBG) { log("onActionIntentReconnectAlarm: mState=" + mState + " reason=" + reason + " apnType=" + apnType + " apnContext=" + apnContext + " mDataConnectionAsyncChannels=" + mDataConnectionAcHashMap); } if ((apnContext != null) && (apnContext.isEnabled())) { apnContext.setReason(reason); DctConstants.State apnContextState = apnContext.getState(); if (DBG) { log("onActionIntentReconnectAlarm: apnContext state=" + apnContextState); } if ((apnContextState == DctConstants.State.FAILED) || (apnContextState == DctConstants.State.IDLE)) { if (DBG) { log("onActionIntentReconnectAlarm: state is FAILED|IDLE, disassociate"); } DcAsyncChannel dcac = apnContext.getDcAc(); if (dcac != null) { if (DBG) { log("onActionIntentReconnectAlarm: tearDown apnContext=" + apnContext); } dcac.tearDown(apnContext, "", null); } apnContext.setDataConnectionAc(null); apnContext.setState(DctConstants.State.IDLE); } else { if (DBG) log("onActionIntentReconnectAlarm: keep associated"); } // TODO: IF already associated should we send the EVENT_TRY_SETUP_DATA??? sendMessage(obtainMessage(DctConstants.EVENT_TRY_SETUP_DATA, apnContext)); apnContext.setReconnectIntent(null); } } private void onActionIntentDataStallAlarm(Intent intent) { if (VDBG_STALL) log("onActionIntentDataStallAlarm: action=" + intent.getAction()); Message msg = obtainMessage(DctConstants.EVENT_DATA_STALL_ALARM, intent.getAction()); msg.arg1 = intent.getIntExtra(DATA_STALL_ALARM_TAG_EXTRA, 0); sendMessage(msg); } private final ConnectivityManager mCm; /** * List of messages that are waiting to be posted, when data call disconnect * is complete */ private ArrayList mDisconnectAllCompleteMsgList = new ArrayList(); private RegistrantList mAllDataDisconnectedRegistrants = new RegistrantList(); // member variables private final Phone mPhone; private final UiccController mUiccController; private final AtomicReference mIccRecords = new AtomicReference(); private DctConstants.Activity mActivity = DctConstants.Activity.NONE; private DctConstants.State mState = DctConstants.State.IDLE; private final Handler mDataConnectionTracker; private long mTxPkts; private long mRxPkts; private int mNetStatPollPeriod; private boolean mNetStatPollEnabled = false; private TxRxSum mDataStallTxRxSum = new TxRxSum(0, 0); // Used to track stale data stall alarms. private int mDataStallAlarmTag = (int) SystemClock.elapsedRealtime(); // The current data stall alarm intent private PendingIntent mDataStallAlarmIntent = null; // Number of packets sent since the last received packet private long mSentSinceLastRecv; // Controls when a simple recovery attempt it to be tried private int mNoRecvPollCount = 0; // Reference counter for enabling fail fast private static int sEnableFailFastRefCounter = 0; // True if data stall detection is enabled private volatile boolean mDataStallDetectionEnabled = true; private volatile boolean mFailFast = false; // True when in voice call private boolean mInVoiceCall = false; // wifi connection status will be updated by sticky intent private boolean mIsWifiConnected = false; /** Intent sent when the reconnect alarm fires. */ private PendingIntent mReconnectIntent = null; // When false we will not auto attach and manually attaching is required. private boolean mAutoAttachOnCreationConfig = false; private AtomicBoolean mAutoAttachOnCreation = new AtomicBoolean(false); // State of screen // (TODO: Reconsider tying directly to screen, maybe this is // really a lower power mode") private boolean mIsScreenOn = true; // Indicates if we found mvno-specific APNs in the full APN list. // used to determine if we can accept mno-specific APN for tethering. private boolean mMvnoMatched = false; /** Allows the generation of unique Id's for DataConnection objects */ private AtomicInteger mUniqueIdGenerator = new AtomicInteger(0); /** The data connections. */ private HashMap mDataConnections = new HashMap(); /** The data connection async channels */ private HashMap mDataConnectionAcHashMap = new HashMap(); /** Convert an ApnType string to Id (TODO: Use "enumeration" instead of String for ApnType) */ private HashMap mApnToDataConnectionId = new HashMap(); /** Phone.APN_TYPE_* ===> ApnContext */ private final ConcurrentHashMap mApnContexts = new ConcurrentHashMap(); private final SparseArray mApnContextsById = new SparseArray(); private int mDisconnectPendingCount = 0; /** Indicate if metered APNs are disabled. * set to block all the metered APNs from continuously sending requests, which causes * undesired network load */ private boolean mMeteredApnDisabled = false; /** * Handles changes to the APN db. */ private class ApnChangeObserver extends ContentObserver { public ApnChangeObserver () { super(mDataConnectionTracker); } @Override public void onChange(boolean selfChange) { sendMessage(obtainMessage(DctConstants.EVENT_APN_CHANGED)); } } //***** Instance Variables private boolean mReregisterOnReconnectFailure = false; //***** Constants // Used by puppetmaster/*/radio_stress.py private static final String PUPPET_MASTER_RADIO_STRESS_TEST = "gsm.defaultpdpcontext.active"; private static final int POLL_PDP_MILLIS = 5 * 1000; private static final int PROVISIONING_SPINNER_TIMEOUT_MILLIS = 120 * 1000; static final Uri PREFERAPN_NO_UPDATE_URI_USING_SUBID = Uri.parse("content://telephony/carriers/preferapn_no_update/subId/"); static final String APN_ID = "apn_id"; private boolean mCanSetPreferApn = false; private AtomicBoolean mAttached = new AtomicBoolean(false); /** Watches for changes to the APN db. */ private ApnChangeObserver mApnObserver; private final String mProvisionActionName; private BroadcastReceiver mProvisionBroadcastReceiver; private ProgressDialog mProvisioningSpinner; public boolean mImsRegistrationState = false; //***** Constructor public DcTracker(Phone phone) { super(); mPhone = phone; if (DBG) log("DCT.constructor"); mResolver = mPhone.getContext().getContentResolver(); mUiccController = UiccController.getInstance(); mUiccController.registerForIccChanged(this, DctConstants.EVENT_ICC_CHANGED, null); mAlarmManager = (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE); mCm = (ConnectivityManager) mPhone.getContext().getSystemService( Context.CONNECTIVITY_SERVICE); IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_SCREEN_ON); filter.addAction(Intent.ACTION_SCREEN_OFF); filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); filter.addAction(INTENT_DATA_STALL_ALARM); filter.addAction(INTENT_PROVISIONING_APN_ALARM); // TODO - redundent with update call below? mDataEnabledSettings.setUserDataEnabled(getDataEnabled()); mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mPhone); SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(mPhone.getContext()); mAutoAttachOnCreation.set(sp.getBoolean(Phone.DATA_DISABLED_ON_BOOT_KEY, false)); mSubscriptionManager = SubscriptionManager.from(mPhone.getContext()); mSubscriptionManager.addOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener); HandlerThread dcHandlerThread = new HandlerThread("DcHandlerThread"); dcHandlerThread.start(); Handler dcHandler = new Handler(dcHandlerThread.getLooper()); mDcc = DcController.makeDcc(mPhone, this, dcHandler); mDcTesterFailBringUpAll = new DcTesterFailBringUpAll(mPhone, dcHandler); mDataConnectionTracker = this; registerForAllEvents(); update(); mApnObserver = new ApnChangeObserver(); phone.getContext().getContentResolver().registerContentObserver( Telephony.Carriers.CONTENT_URI, true, mApnObserver); initApnContexts(); for (ApnContext apnContext : mApnContexts.values()) { // Register the reconnect and restart actions. filter = new IntentFilter(); filter.addAction(INTENT_RECONNECT_ALARM + '.' + apnContext.getApnType()); mPhone.getContext().registerReceiver(mIntentReceiver, filter, null, mPhone); } // Add Emergency APN to APN setting list by default to support EPDN in sim absent cases initEmergencyApnSetting(); addEmergencyApnSetting(); mProvisionActionName = "com.android.internal.telephony.PROVISION" + phone.getPhoneId(); mSettingsObserver = new SettingsObserver(mPhone.getContext(), this); registerSettingsObserver(); } @VisibleForTesting public DcTracker() { mAlarmManager = null; mCm = null; mPhone = null; mUiccController = null; mDataConnectionTracker = null; mProvisionActionName = null; mSettingsObserver = new SettingsObserver(null, this); } public void registerServiceStateTrackerEvents() { mPhone.getServiceStateTracker().registerForDataConnectionAttached(this, DctConstants.EVENT_DATA_CONNECTION_ATTACHED, null); mPhone.getServiceStateTracker().registerForDataConnectionDetached(this, DctConstants.EVENT_DATA_CONNECTION_DETACHED, null); mPhone.getServiceStateTracker().registerForDataRoamingOn(this, DctConstants.EVENT_ROAMING_ON, null); mPhone.getServiceStateTracker().registerForDataRoamingOff(this, DctConstants.EVENT_ROAMING_OFF, null); mPhone.getServiceStateTracker().registerForPsRestrictedEnabled(this, DctConstants.EVENT_PS_RESTRICT_ENABLED, null); mPhone.getServiceStateTracker().registerForPsRestrictedDisabled(this, DctConstants.EVENT_PS_RESTRICT_DISABLED, null); mPhone.getServiceStateTracker().registerForDataRegStateOrRatChanged(this, DctConstants.EVENT_DATA_RAT_CHANGED, null); } public void unregisterServiceStateTrackerEvents() { mPhone.getServiceStateTracker().unregisterForDataConnectionAttached(this); mPhone.getServiceStateTracker().unregisterForDataConnectionDetached(this); mPhone.getServiceStateTracker().unregisterForDataRoamingOn(this); mPhone.getServiceStateTracker().unregisterForDataRoamingOff(this); mPhone.getServiceStateTracker().unregisterForPsRestrictedEnabled(this); mPhone.getServiceStateTracker().unregisterForPsRestrictedDisabled(this); mPhone.getServiceStateTracker().unregisterForDataRegStateOrRatChanged(this); } private void registerForAllEvents() { mPhone.mCi.registerForAvailable(this, DctConstants.EVENT_RADIO_AVAILABLE, null); mPhone.mCi.registerForOffOrNotAvailable(this, DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE, null); mPhone.mCi.registerForDataNetworkStateChanged(this, DctConstants.EVENT_DATA_STATE_CHANGED, null); // Note, this is fragile - the Phone is now presenting a merged picture // of PS (volte) & CS and by diving into its internals you're just seeing // the CS data. This works well for the purposes this is currently used for // but that may not always be the case. Should probably be redesigned to // accurately reflect what we're really interested in (registerForCSVoiceCallEnded). mPhone.getCallTracker().registerForVoiceCallEnded(this, DctConstants.EVENT_VOICE_CALL_ENDED, null); mPhone.getCallTracker().registerForVoiceCallStarted(this, DctConstants.EVENT_VOICE_CALL_STARTED, null); registerServiceStateTrackerEvents(); // SubscriptionManager.registerForDdsSwitch(this, // DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS, null); mPhone.mCi.registerForPcoData(this, DctConstants.EVENT_PCO_DATA_RECEIVED, null); } public void dispose() { if (DBG) log("DCT.dispose"); if (mProvisionBroadcastReceiver != null) { mPhone.getContext().unregisterReceiver(mProvisionBroadcastReceiver); mProvisionBroadcastReceiver = null; } if (mProvisioningSpinner != null) { mProvisioningSpinner.dismiss(); mProvisioningSpinner = null; } cleanUpAllConnections(true, null); for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { dcac.disconnect(); } mDataConnectionAcHashMap.clear(); mIsDisposed = true; mPhone.getContext().unregisterReceiver(mIntentReceiver); mUiccController.unregisterForIccChanged(this); mSettingsObserver.unobserve(); mSubscriptionManager .removeOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener); mDcc.dispose(); mDcTesterFailBringUpAll.dispose(); mPhone.getContext().getContentResolver().unregisterContentObserver(mApnObserver); mApnContexts.clear(); mApnContextsById.clear(); mPrioritySortedApnContexts.clear(); unregisterForAllEvents(); destroyDataConnections(); } private void unregisterForAllEvents() { //Unregister for all events mPhone.mCi.unregisterForAvailable(this); mPhone.mCi.unregisterForOffOrNotAvailable(this); IccRecords r = mIccRecords.get(); if (r != null) { r.unregisterForRecordsLoaded(this); mIccRecords.set(null); } mPhone.mCi.unregisterForDataNetworkStateChanged(this); mPhone.getCallTracker().unregisterForVoiceCallEnded(this); mPhone.getCallTracker().unregisterForVoiceCallStarted(this); unregisterServiceStateTrackerEvents(); //SubscriptionManager.unregisterForDdsSwitch(this); mPhone.mCi.unregisterForPcoData(this); } /** * Called when EVENT_RESET_DONE is received so goto * IDLE state and send notifications to those interested. * * TODO - currently unused. Needs to be hooked into DataConnection cleanup * TODO - needs to pass some notion of which connection is reset.. */ private void onResetDone(AsyncResult ar) { if (DBG) log("EVENT_RESET_DONE"); String reason = null; if (ar.userObj instanceof String) { reason = (String) ar.userObj; } gotoIdleAndNotifyDataConnection(reason); } /** * Modify {@link android.provider.Settings.Global#MOBILE_DATA} value. */ public void setDataEnabled(boolean enable) { Message msg = obtainMessage(DctConstants.CMD_SET_USER_DATA_ENABLE); msg.arg1 = enable ? 1 : 0; if (DBG) log("setDataEnabled: sendMessage: enable=" + enable); sendMessage(msg); } private void onSetUserDataEnabled(boolean enabled) { synchronized (mDataEnabledSettings) { if (mDataEnabledSettings.isUserDataEnabled() != enabled) { mDataEnabledSettings.setUserDataEnabled(enabled); //TODO: We should move the followings into DataEnabledSettings class. // For single SIM phones, this is a per phone property. if (TelephonyManager.getDefault().getSimCount() == 1) { Settings.Global.putInt(mResolver, Settings.Global.MOBILE_DATA, enabled ? 1 : 0); } else { int phoneSubId = mPhone.getSubId(); Settings.Global.putInt(mResolver, Settings.Global.MOBILE_DATA + phoneSubId, enabled ? 1 : 0); } if (getDataOnRoamingEnabled() == false && mPhone.getServiceState().getDataRoaming() == true) { if (enabled) { notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); } else { notifyOffApnsOfAvailability(Phone.REASON_DATA_DISABLED); } } // TODO: We should register for DataEnabledSetting's data enabled/disabled event and // handle the rest from there. if (enabled) { teardownRestrictedMeteredConnections(); onTrySetupData(Phone.REASON_DATA_ENABLED); } else { onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED); } } } } /** * Handle reverting restricted networks back to unrestricted. * If we're changing user data to enabled and this makes data * truely enabled (not disabled by other factors) we need to * tear down any metered apn type that was enabled anyway by * a privileged request. This allows us to reconnect * to it in an unrestricted way. */ private void teardownRestrictedMeteredConnections() { if (mDataEnabledSettings.isDataEnabled(true)) { for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.isConnectedOrConnecting() && apnContext.getApnSetting().isMetered(mPhone.getContext(), mPhone.getSubId(), mPhone.getServiceState().getDataRoaming())) { final DcAsyncChannel dataConnectionAc = apnContext.getDcAc(); if (dataConnectionAc != null) { final NetworkCapabilities nc = dataConnectionAc.getNetworkCapabilitiesSync(); if (nc != null && nc.hasCapability(NetworkCapabilities. NET_CAPABILITY_NOT_RESTRICTED)) { if (DBG) log("not tearing down unrestricted metered net:" + apnContext); continue; } } if (DBG) log("tearing down restricted metered net: " + apnContext); apnContext.setReason(Phone.REASON_DATA_ENABLED); cleanUpConnection(true, apnContext); } } } } private void onDeviceProvisionedChange() { if (getDataEnabled()) { mDataEnabledSettings.setUserDataEnabled(true); teardownRestrictedMeteredConnections(); onTrySetupData(Phone.REASON_DATA_ENABLED); } else { mDataEnabledSettings.setUserDataEnabled(false); onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED); } } public long getSubId() { return mPhone.getSubId(); } public DctConstants.Activity getActivity() { return mActivity; } private void setActivity(DctConstants.Activity activity) { log("setActivity = " + activity); mActivity = activity; mPhone.notifyDataActivity(); } public void requestNetwork(NetworkRequest networkRequest, LocalLog log) { final int apnId = ApnContext.apnIdForNetworkRequest(networkRequest); final ApnContext apnContext = mApnContextsById.get(apnId); log.log("DcTracker.requestNetwork for " + networkRequest + " found " + apnContext); if (apnContext != null) apnContext.requestNetwork(networkRequest, log); } public void releaseNetwork(NetworkRequest networkRequest, LocalLog log) { final int apnId = ApnContext.apnIdForNetworkRequest(networkRequest); final ApnContext apnContext = mApnContextsById.get(apnId); log.log("DcTracker.releaseNetwork for " + networkRequest + " found " + apnContext); if (apnContext != null) apnContext.releaseNetwork(networkRequest, log); } public boolean isApnSupported(String name) { if (name == null) { loge("isApnSupported: name=null"); return false; } ApnContext apnContext = mApnContexts.get(name); if (apnContext == null) { loge("Request for unsupported mobile name: " + name); return false; } return true; } public int getApnPriority(String name) { ApnContext apnContext = mApnContexts.get(name); if (apnContext == null) { loge("Request for unsupported mobile name: " + name); } return apnContext.priority; } // Turn telephony radio on or off. private void setRadio(boolean on) { final ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); try { phone.setRadio(on); } catch (Exception e) { // Ignore. } } // Class to handle Intent dispatched with user selects the "Sign-in to network" // notification. private class ProvisionNotificationBroadcastReceiver extends BroadcastReceiver { private final String mNetworkOperator; // Mobile provisioning URL. Valid while provisioning notification is up. // Set prior to notification being posted as URL contains ICCID which // disappears when radio is off (which is the case when notification is up). private final String mProvisionUrl; public ProvisionNotificationBroadcastReceiver(String provisionUrl, String networkOperator) { mNetworkOperator = networkOperator; mProvisionUrl = provisionUrl; } private void setEnableFailFastMobileData(int enabled) { sendMessage(obtainMessage(DctConstants.CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA, enabled, 0)); } private void enableMobileProvisioning() { final Message msg = obtainMessage(DctConstants.CMD_ENABLE_MOBILE_PROVISIONING); msg.setData(Bundle.forPair(DctConstants.PROVISIONING_URL_KEY, mProvisionUrl)); sendMessage(msg); } @Override public void onReceive(Context context, Intent intent) { // Turning back on the radio can take time on the order of a minute, so show user a // spinner so they know something is going on. mProvisioningSpinner = new ProgressDialog(context); mProvisioningSpinner.setTitle(mNetworkOperator); mProvisioningSpinner.setMessage( // TODO: Don't borrow "Connecting..." i18n string; give Telephony a version. context.getText(com.android.internal.R.string.media_route_status_connecting)); mProvisioningSpinner.setIndeterminate(true); mProvisioningSpinner.setCancelable(true); // Allow non-Activity Service Context to create a View. mProvisioningSpinner.getWindow().setType( WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); mProvisioningSpinner.show(); // After timeout, hide spinner so user can at least use their device. // TODO: Indicate to user that it is taking an unusually long time to connect? sendMessageDelayed(obtainMessage(DctConstants.CMD_CLEAR_PROVISIONING_SPINNER, mProvisioningSpinner), PROVISIONING_SPINNER_TIMEOUT_MILLIS); // This code is almost identical to the old // ConnectivityService.handleMobileProvisioningAction code. setRadio(true); setEnableFailFastMobileData(DctConstants.ENABLED); enableMobileProvisioning(); } } public boolean isDataPossible(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext == null) { return false; } boolean apnContextIsEnabled = apnContext.isEnabled(); DctConstants.State apnContextState = apnContext.getState(); boolean apnTypePossible = !(apnContextIsEnabled && (apnContextState == DctConstants.State.FAILED)); boolean isEmergencyApn = apnContext.getApnType().equals(PhoneConstants.APN_TYPE_EMERGENCY); // Set the emergency APN availability status as TRUE irrespective of conditions checked in // isDataAllowed() like IN_SERVICE, MOBILE DATA status etc. boolean dataAllowed = isEmergencyApn || isDataAllowed(null); boolean possible = dataAllowed && apnTypePossible; if ((apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT) || apnContext.getApnType().equals(PhoneConstants.APN_TYPE_IA)) && (mPhone.getServiceState().getRilDataRadioTechnology() == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN)) { log("Default data call activation not possible in iwlan."); possible = false; } if (VDBG) { log(String.format("isDataPossible(%s): possible=%b isDataAllowed=%b " + "apnTypePossible=%b apnContextisEnabled=%b apnContextState()=%s", apnType, possible, dataAllowed, apnTypePossible, apnContextIsEnabled, apnContextState)); } return possible; } @Override protected void finalize() { if(DBG && mPhone != null) log("finalize"); } private ApnContext addApnContext(String type, NetworkConfig networkConfig) { ApnContext apnContext = new ApnContext(mPhone, type, LOG_TAG, networkConfig, this); mApnContexts.put(type, apnContext); mApnContextsById.put(ApnContext.apnIdForApnName(type), apnContext); mPrioritySortedApnContexts.add(apnContext); return apnContext; } private void initApnContexts() { log("initApnContexts: E"); // Load device network attributes from resources String[] networkConfigStrings = mPhone.getContext().getResources().getStringArray( com.android.internal.R.array.networkAttributes); for (String networkConfigString : networkConfigStrings) { NetworkConfig networkConfig = new NetworkConfig(networkConfigString); ApnContext apnContext = null; switch (networkConfig.type) { case ConnectivityManager.TYPE_MOBILE: apnContext = addApnContext(PhoneConstants.APN_TYPE_DEFAULT, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_MMS: apnContext = addApnContext(PhoneConstants.APN_TYPE_MMS, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_SUPL: apnContext = addApnContext(PhoneConstants.APN_TYPE_SUPL, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_DUN: apnContext = addApnContext(PhoneConstants.APN_TYPE_DUN, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_HIPRI: apnContext = addApnContext(PhoneConstants.APN_TYPE_HIPRI, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_FOTA: apnContext = addApnContext(PhoneConstants.APN_TYPE_FOTA, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_IMS: apnContext = addApnContext(PhoneConstants.APN_TYPE_IMS, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_CBS: apnContext = addApnContext(PhoneConstants.APN_TYPE_CBS, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_IA: apnContext = addApnContext(PhoneConstants.APN_TYPE_IA, networkConfig); break; case ConnectivityManager.TYPE_MOBILE_EMERGENCY: apnContext = addApnContext(PhoneConstants.APN_TYPE_EMERGENCY, networkConfig); break; default: log("initApnContexts: skipping unknown type=" + networkConfig.type); continue; } log("initApnContexts: apnContext=" + apnContext); } if (VDBG) log("initApnContexts: X mApnContexts=" + mApnContexts); } public LinkProperties getLinkProperties(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { DcAsyncChannel dcac = apnContext.getDcAc(); if (dcac != null) { if (DBG) log("return link properites for " + apnType); return dcac.getLinkPropertiesSync(); } } if (DBG) log("return new LinkProperties"); return new LinkProperties(); } public NetworkCapabilities getNetworkCapabilities(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext!=null) { DcAsyncChannel dataConnectionAc = apnContext.getDcAc(); if (dataConnectionAc != null) { if (DBG) { log("get active pdp is not null, return NetworkCapabilities for " + apnType); } return dataConnectionAc.getNetworkCapabilitiesSync(); } } if (DBG) log("return new NetworkCapabilities"); return new NetworkCapabilities(); } // Return all active apn types public String[] getActiveApnTypes() { if (DBG) log("get all active apn types"); ArrayList result = new ArrayList(); for (ApnContext apnContext : mApnContexts.values()) { if (mAttached.get() && apnContext.isReady()) { result.add(apnContext.getApnType()); } } return result.toArray(new String[0]); } // Return active apn of specific apn type public String getActiveApnString(String apnType) { if (VDBG) log( "get active apn string for type:" + apnType); ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { ApnSetting apnSetting = apnContext.getApnSetting(); if (apnSetting != null) { return apnSetting.apn; } } return null; } // Return state of specific apn type public DctConstants.State getState(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { return apnContext.getState(); } return DctConstants.State.FAILED; } // Return if apn type is a provisioning apn. private boolean isProvisioningApn(String apnType) { ApnContext apnContext = mApnContexts.get(apnType); if (apnContext != null) { return apnContext.isProvisioningApn(); } return false; } // Return state of overall public DctConstants.State getOverallState() { boolean isConnecting = false; boolean isFailed = true; // All enabled Apns should be FAILED. boolean isAnyEnabled = false; for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.isEnabled()) { isAnyEnabled = true; switch (apnContext.getState()) { case CONNECTED: case DISCONNECTING: if (VDBG) log("overall state is CONNECTED"); return DctConstants.State.CONNECTED; case RETRYING: case CONNECTING: isConnecting = true; isFailed = false; break; case IDLE: case SCANNING: isFailed = false; break; default: isAnyEnabled = true; break; } } } if (!isAnyEnabled) { // Nothing enabled. return IDLE. if (VDBG) log( "overall state is IDLE"); return DctConstants.State.IDLE; } if (isConnecting) { if (VDBG) log( "overall state is CONNECTING"); return DctConstants.State.CONNECTING; } else if (!isFailed) { if (VDBG) log( "overall state is IDLE"); return DctConstants.State.IDLE; } else { if (VDBG) log( "overall state is FAILED"); return DctConstants.State.FAILED; } } /** * Report on whether data connectivity is enabled for any APN. * @return {@code false} if data connectivity has been explicitly disabled, * {@code true} otherwise. */ public boolean getAnyDataEnabled() { if (!mDataEnabledSettings.isDataEnabled(true)) return false; DataAllowFailReason failureReason = new DataAllowFailReason(); if (!isDataAllowed(failureReason)) { if (DBG) log(failureReason.getDataAllowFailReason()); return false; } for (ApnContext apnContext : mApnContexts.values()) { // Make sure we don't have a context that is going down // and is explicitly disabled. if (isDataAllowedForApn(apnContext)) { return true; } } return false; } @VisibleForTesting public boolean isDataEnabled(boolean checkUserDataEnabled) { return mDataEnabledSettings.isDataEnabled(checkUserDataEnabled); } private boolean isDataAllowedForApn(ApnContext apnContext) { //If RAT is iwlan then dont allow default/IA PDP at all. //Rest of APN types can be evaluated for remaining conditions. if ((apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT) || apnContext.getApnType().equals(PhoneConstants.APN_TYPE_IA)) && (mPhone.getServiceState().getRilDataRadioTechnology() == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN)) { log("Default data call activation not allowed in iwlan."); return false; } return apnContext.isReady(); } //****** Called from ServiceStateTracker /** * Invoked when ServiceStateTracker observes a transition from GPRS * attach to detach. */ private void onDataConnectionDetached() { /* * We presently believe it is unnecessary to tear down the PDP context * when GPRS detaches, but we should stop the network polling. */ if (DBG) log ("onDataConnectionDetached: stop polling and notify detached"); stopNetStatPoll(); stopDataStallAlarm(); notifyDataConnection(Phone.REASON_DATA_DETACHED); mAttached.set(false); } private void onDataConnectionAttached() { if (DBG) log("onDataConnectionAttached"); mAttached.set(true); if (getOverallState() == DctConstants.State.CONNECTED) { if (DBG) log("onDataConnectionAttached: start polling notify attached"); startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); notifyDataConnection(Phone.REASON_DATA_ATTACHED); } else { // update APN availability so that APN can be enabled. notifyOffApnsOfAvailability(Phone.REASON_DATA_ATTACHED); } if (mAutoAttachOnCreationConfig) { mAutoAttachOnCreation.set(true); } setupDataOnConnectableApns(Phone.REASON_DATA_ATTACHED); } private boolean isDataAllowed(DataAllowFailReason failureReason) { final boolean internalDataEnabled; internalDataEnabled = mDataEnabledSettings.isInternalDataEnabled(); boolean attachedState = mAttached.get(); boolean desiredPowerState = mPhone.getServiceStateTracker().getDesiredPowerState(); boolean radioStateFromCarrier = mPhone.getServiceStateTracker().getPowerStateFromCarrier(); int radioTech = mPhone.getServiceState().getRilDataRadioTechnology(); if (radioTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN) { desiredPowerState = true; radioStateFromCarrier = true; } IccRecords r = mIccRecords.get(); boolean recordsLoaded = false; if (r != null) { recordsLoaded = r.getRecordsLoaded(); if (DBG && !recordsLoaded) log("isDataAllowed getRecordsLoaded=" + recordsLoaded); } int dataSub = SubscriptionManager.getDefaultDataSubscriptionId(); boolean defaultDataSelected = SubscriptionManager.isValidSubscriptionId(dataSub); PhoneConstants.State state = PhoneConstants.State.IDLE; // Note this is explicitly not using mPhone.getState. See b/19090488. // mPhone.getState reports the merge of CS and PS (volte) voice call state // but we only care about CS calls here for data/voice concurrency issues. // Calling getCallTracker currently gives you just the CS side where the // ImsCallTracker is held internally where applicable. // This should be redesigned to ask explicitly what we want: // voiceCallStateAllowDataCall, or dataCallAllowed or something similar. if (mPhone.getCallTracker() != null) { state = mPhone.getCallTracker().getState(); } if (failureReason != null) failureReason.clearAllReasons(); if (!(attachedState || mAutoAttachOnCreation.get())) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.NOT_ATTACHED); } if (!recordsLoaded) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.RECORD_NOT_LOADED); } if (state != PhoneConstants.State.IDLE && !mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.INVALID_PHONE_STATE); failureReason.addDataAllowFailReason( DataAllowFailReasonType.CONCURRENT_VOICE_DATA_NOT_ALLOWED); } if (!internalDataEnabled) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.INTERNAL_DATA_DISABLED); } if (!defaultDataSelected) { if(failureReason == null) return false; failureReason.addDataAllowFailReason( DataAllowFailReasonType.DEFAULT_DATA_UNSELECTED); } if (mPhone.getServiceState().getDataRoaming() && !getDataOnRoamingEnabled()) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.ROAMING_DISABLED); } if (mIsPsRestricted) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.PS_RESTRICTED); } if (!desiredPowerState) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.UNDESIRED_POWER_STATE); } if (!radioStateFromCarrier) { if(failureReason == null) return false; failureReason.addDataAllowFailReason(DataAllowFailReasonType.RADIO_DISABLED_BY_CARRIER); } return failureReason == null || !failureReason.isFailed(); } // arg for setupDataOnConnectableApns private enum RetryFailures { // retry failed networks always (the old default) ALWAYS, // retry only when a substantial change has occurred. Either: // 1) we were restricted by voice/data concurrency and aren't anymore // 2) our apn list has change ONLY_ON_CHANGE }; private void setupDataOnConnectableApns(String reason) { setupDataOnConnectableApns(reason, RetryFailures.ALWAYS); } private void setupDataOnConnectableApns(String reason, RetryFailures retryFailures) { if (VDBG) log("setupDataOnConnectableApns: " + reason); if (DBG && !VDBG) { StringBuilder sb = new StringBuilder(120); for (ApnContext apnContext : mPrioritySortedApnContexts) { sb.append(apnContext.getApnType()); sb.append(":[state="); sb.append(apnContext.getState()); sb.append(",enabled="); sb.append(apnContext.isEnabled()); sb.append("] "); } log("setupDataOnConnectableApns: " + reason + " " + sb); } for (ApnContext apnContext : mPrioritySortedApnContexts) { ArrayList waitingApns = null; if (VDBG) log("setupDataOnConnectableApns: apnContext " + apnContext); if (apnContext.getState() == DctConstants.State.FAILED || apnContext.getState() == DctConstants.State.SCANNING) { if (retryFailures == RetryFailures.ALWAYS) { apnContext.releaseDataConnection(reason); } else if (apnContext.isConcurrentVoiceAndDataAllowed() == false && mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { // RetryFailures.ONLY_ON_CHANGE - check if voice concurrency has changed apnContext.releaseDataConnection(reason); } else { // RetryFailures.ONLY_ON_CHANGE - check if the apns have changed int radioTech = mPhone.getServiceState().getRilDataRadioTechnology(); ArrayList originalApns = apnContext.getWaitingApns(); if (originalApns != null && originalApns.isEmpty() == false) { waitingApns = buildWaitingApns(apnContext.getApnType(), radioTech); if (originalApns.size() != waitingApns.size() || originalApns.containsAll(waitingApns) == false) { apnContext.releaseDataConnection(reason); } else { continue; } } else { continue; } } } if (apnContext.isConnectable()) { log("isConnectable() call trySetupData"); apnContext.setReason(reason); trySetupData(apnContext, waitingApns); } } } boolean isEmergency() { final boolean result = mPhone.isInEcm() || mPhone.isInEmergencyCall(); log("isEmergency: result=" + result); return result; } private boolean trySetupData(ApnContext apnContext) { return trySetupData(apnContext, null); } private boolean trySetupData(ApnContext apnContext, ArrayList waitingApns) { if (DBG) { log("trySetupData for type:" + apnContext.getApnType() + " due to " + apnContext.getReason() + ", mIsPsRestricted=" + mIsPsRestricted); } apnContext.requestLog("trySetupData due to " + apnContext.getReason()); if (mPhone.getSimulatedRadioControl() != null) { // Assume data is connected on the simulator // FIXME this can be improved apnContext.setState(DctConstants.State.CONNECTED); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); log("trySetupData: X We're on the simulator; assuming connected retValue=true"); return true; } // Allow SETUP_DATA request for E-APN to be completed during emergency call // and MOBILE DATA On/Off cases as well. boolean isEmergencyApn = apnContext.getApnType().equals(PhoneConstants.APN_TYPE_EMERGENCY); final ServiceStateTracker sst = mPhone.getServiceStateTracker(); // set to false if apn type is non-metered or if we have a restricted (priveleged) // request for the network. // TODO - may want restricted requests to only apply to carrier-limited data access // rather than applying to user limited as well. // Exclude DUN for the purposes of the override until we get finer grained // intention in NetworkRequests boolean checkUserDataEnabled = ApnSetting.isMeteredApnType(apnContext.getApnType(), mPhone.getContext(), mPhone.getSubId(), mPhone.getServiceState().getDataRoaming()) && apnContext.hasNoRestrictedRequests(true /*exclude DUN */); DataAllowFailReason failureReason = new DataAllowFailReason(); // allow data if currently in roaming service, roaming setting disabled // and requested apn type is non-metered for roaming. boolean isDataAllowed = isDataAllowed(failureReason) || (failureReason.isFailForSingleReason(DataAllowFailReasonType.ROAMING_DISABLED) && !(ApnSetting.isMeteredApnType(apnContext.getApnType(), mPhone.getContext(), mPhone.getSubId(), mPhone.getServiceState().getDataRoaming()))); if (apnContext.isConnectable() && (isEmergencyApn || (isDataAllowed && isDataAllowedForApn(apnContext) && mDataEnabledSettings.isDataEnabled(checkUserDataEnabled) && !isEmergency()))) { if (apnContext.getState() == DctConstants.State.FAILED) { String str = "trySetupData: make a FAILED ApnContext IDLE so its reusable"; if (DBG) log(str); apnContext.requestLog(str); apnContext.setState(DctConstants.State.IDLE); } int radioTech = mPhone.getServiceState().getRilDataRadioTechnology(); apnContext.setConcurrentVoiceAndDataAllowed(sst.isConcurrentVoiceAndDataAllowed()); if (apnContext.getState() == DctConstants.State.IDLE) { if (waitingApns == null) { waitingApns = buildWaitingApns(apnContext.getApnType(), radioTech); } if (waitingApns.isEmpty()) { notifyNoData(DcFailCause.MISSING_UNKNOWN_APN, apnContext); notifyOffApnsOfAvailability(apnContext.getReason()); String str = "trySetupData: X No APN found retValue=false"; if (DBG) log(str); apnContext.requestLog(str); return false; } else { apnContext.setWaitingApns(waitingApns); if (DBG) { log ("trySetupData: Create from mAllApnSettings : " + apnListToString(mAllApnSettings)); } } } boolean retValue = setupData(apnContext, radioTech); notifyOffApnsOfAvailability(apnContext.getReason()); if (DBG) log("trySetupData: X retValue=" + retValue); return retValue; } else { if (!apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT) && apnContext.isConnectable()) { mPhone.notifyDataConnectionFailed(apnContext.getReason(), apnContext.getApnType()); } notifyOffApnsOfAvailability(apnContext.getReason()); StringBuilder str = new StringBuilder(); str.append("trySetupData failed. apnContext = [type=" + apnContext.getApnType() + ", mState=" + apnContext.getState() + ", mDataEnabled=" + apnContext.isEnabled() + ", mDependencyMet=" + apnContext.getDependencyMet() + "] "); if (!apnContext.isConnectable()) { str.append("isConnectable = false. "); } if (!isDataAllowed) { str.append("data not allowed: " + failureReason.getDataAllowFailReason() + ". "); } if (!isDataAllowedForApn(apnContext)) { str.append("isDataAllowedForApn = false. RAT = " + mPhone.getServiceState().getRilDataRadioTechnology()); } if (!mDataEnabledSettings.isDataEnabled(checkUserDataEnabled)) { str.append("isDataEnabled(" + checkUserDataEnabled + ") = false. " + "isInternalDataEnabled = " + mDataEnabledSettings.isInternalDataEnabled() + ", userDataEnabled = " + mDataEnabledSettings.isUserDataEnabled() + ", isPolicyDataEnabled = " + mDataEnabledSettings.isPolicyDataEnabled() + ", isCarrierDataEnabled = " + mDataEnabledSettings.isCarrierDataEnabled()); } if (isEmergency()) { str.append("emergency = true"); } if (DBG) log(str.toString()); apnContext.requestLog(str.toString()); return false; } } // Disabled apn's still need avail/unavail notifications - send them out private void notifyOffApnsOfAvailability(String reason) { if (DBG) { DataAllowFailReason failureReason = new DataAllowFailReason(); if (!isDataAllowed(failureReason)) { log(failureReason.getDataAllowFailReason()); } } for (ApnContext apnContext : mApnContexts.values()) { if (!mAttached.get() || !apnContext.isReady()) { if (VDBG) log("notifyOffApnOfAvailability type:" + apnContext.getApnType()); mPhone.notifyDataConnection(reason != null ? reason : apnContext.getReason(), apnContext.getApnType(), PhoneConstants.DataState.DISCONNECTED); } else { if (VDBG) { log("notifyOffApnsOfAvailability skipped apn due to attached && isReady " + apnContext.toString()); } } } } /** * If tearDown is true, this only tears down a CONNECTED session. Presently, * there is no mechanism for abandoning an CONNECTING session, * but would likely involve cancelling pending async requests or * setting a flag or new state to ignore them when they came in * @param tearDown true if the underlying DataConnection should be * disconnected. * @param reason reason for the clean up. * @return boolean - true if we did cleanup any connections, false if they * were already all disconnected. */ private boolean cleanUpAllConnections(boolean tearDown, String reason) { if (DBG) log("cleanUpAllConnections: tearDown=" + tearDown + " reason=" + reason); boolean didDisconnect = false; boolean disableMeteredOnly = false; // reasons that only metered apn will be torn down if (!TextUtils.isEmpty(reason)) { disableMeteredOnly = reason.equals(Phone.REASON_DATA_SPECIFIC_DISABLED) || reason.equals(Phone.REASON_ROAMING_ON) || reason.equals(Phone.REASON_CARRIER_ACTION_DISABLE_METERED_APN); } for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.isDisconnected() == false) didDisconnect = true; if (disableMeteredOnly) { // Use ApnSetting to decide metered or non-metered. // Tear down all metered data connections. ApnSetting apnSetting = apnContext.getApnSetting(); if (apnSetting != null && apnSetting.isMetered(mPhone.getContext(), mPhone.getSubId(), mPhone.getServiceState().getDataRoaming())) { if (DBG) log("clean up metered ApnContext Type: " + apnContext.getApnType()); apnContext.setReason(reason); cleanUpConnection(tearDown, apnContext); } } else { // TODO - only do cleanup if not disconnected apnContext.setReason(reason); cleanUpConnection(tearDown, apnContext); } } stopNetStatPoll(); stopDataStallAlarm(); // TODO: Do we need mRequestedApnType? mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; log("cleanUpConnection: mDisconnectPendingCount = " + mDisconnectPendingCount); if (tearDown && mDisconnectPendingCount == 0) { notifyDataDisconnectComplete(); notifyAllDataDisconnected(); } return didDisconnect; } /** * Cleanup all connections. * * TODO: Cleanup only a specified connection passed as a parameter. * Also, make sure when you clean up a conn, if it is last apply * logic as though it is cleanupAllConnections * * @param cause for the clean up. */ private void onCleanUpAllConnections(String cause) { cleanUpAllConnections(true, cause); } void sendCleanUpConnection(boolean tearDown, ApnContext apnContext) { if (DBG) log("sendCleanUpConnection: tearDown=" + tearDown + " apnContext=" + apnContext); Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_CONNECTION); msg.arg1 = tearDown ? 1 : 0; msg.arg2 = 0; msg.obj = apnContext; sendMessage(msg); } private void cleanUpConnection(boolean tearDown, ApnContext apnContext) { if (apnContext == null) { if (DBG) log("cleanUpConnection: apn context is null"); return; } DcAsyncChannel dcac = apnContext.getDcAc(); String str = "cleanUpConnection: tearDown=" + tearDown + " reason=" + apnContext.getReason(); if (VDBG) log(str + " apnContext=" + apnContext); apnContext.requestLog(str); if (tearDown) { if (apnContext.isDisconnected()) { // The request is tearDown and but ApnContext is not connected. // If apnContext is not enabled anymore, break the linkage to the DCAC/DC. apnContext.setState(DctConstants.State.IDLE); if (!apnContext.isReady()) { if (dcac != null) { str = "cleanUpConnection: teardown, disconnected, !ready"; if (DBG) log(str + " apnContext=" + apnContext); apnContext.requestLog(str); dcac.tearDown(apnContext, "", null); } apnContext.setDataConnectionAc(null); } } else { // Connection is still there. Try to clean up. if (dcac != null) { if (apnContext.getState() != DctConstants.State.DISCONNECTING) { boolean disconnectAll = false; if (PhoneConstants.APN_TYPE_DUN.equals(apnContext.getApnType())) { // CAF_MSIM is this below condition required. // if (PhoneConstants.APN_TYPE_DUN.equals(PhoneConstants.APN_TYPE_DEFAULT)) { if (teardownForDun()) { if (DBG) { log("cleanUpConnection: disconnectAll DUN connection"); } // we need to tear it down - we brought it up just for dun and // other people are camped on it and now dun is done. We need // to stop using it and let the normal apn list get used to find // connections for the remaining desired connections disconnectAll = true; } } final int generation = apnContext.getConnectionGeneration(); str = "cleanUpConnection: tearing down" + (disconnectAll ? " all" : "") + " using gen#" + generation; if (DBG) log(str + "apnContext=" + apnContext); apnContext.requestLog(str); Pair pair = new Pair(apnContext, generation); Message msg = obtainMessage(DctConstants.EVENT_DISCONNECT_DONE, pair); if (disconnectAll) { apnContext.getDcAc().tearDownAll(apnContext.getReason(), msg); } else { apnContext.getDcAc() .tearDown(apnContext, apnContext.getReason(), msg); } apnContext.setState(DctConstants.State.DISCONNECTING); mDisconnectPendingCount++; } } else { // apn is connected but no reference to dcac. // Should not be happen, but reset the state in case. apnContext.setState(DctConstants.State.IDLE); apnContext.requestLog("cleanUpConnection: connected, bug no DCAC"); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); } } } else { // force clean up the data connection. if (dcac != null) dcac.reqReset(); apnContext.setState(DctConstants.State.IDLE); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); apnContext.setDataConnectionAc(null); } // Make sure reconnection alarm is cleaned up if there is no ApnContext // associated to the connection. if (dcac != null) { cancelReconnectAlarm(apnContext); } str = "cleanUpConnection: X tearDown=" + tearDown + " reason=" + apnContext.getReason(); if (DBG) log(str + " apnContext=" + apnContext + " dcac=" + apnContext.getDcAc()); apnContext.requestLog(str); } ApnSetting fetchDunApn() { if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) { log("fetchDunApn: net.tethering.noprovisioning=true ret: null"); return null; } int bearer = mPhone.getServiceState().getRilDataRadioTechnology(); ApnSetting retDunSetting = null; String apnData = Settings.Global.getString(mResolver, Settings.Global.TETHER_DUN_APN); List dunSettings = ApnSetting.arrayFromString(apnData); IccRecords r = mIccRecords.get(); for (ApnSetting dunSetting : dunSettings) { String operator = (r != null) ? r.getOperatorNumeric() : ""; if (!ServiceState.bitmaskHasTech(dunSetting.bearerBitmask, bearer)) continue; if (dunSetting.numeric.equals(operator)) { if (dunSetting.hasMvnoParams()) { if (r != null && ApnSetting.mvnoMatches(r, dunSetting.mvnoType, dunSetting.mvnoMatchData)) { if (VDBG) { log("fetchDunApn: global TETHER_DUN_APN dunSetting=" + dunSetting); } return dunSetting; } } else if (mMvnoMatched == false) { if (VDBG) log("fetchDunApn: global TETHER_DUN_APN dunSetting=" + dunSetting); return dunSetting; } } } Context c = mPhone.getContext(); String[] apnArrayData = c.getResources().getStringArray(R.array.config_tether_apndata); for (String apn : apnArrayData) { ApnSetting dunSetting = ApnSetting.fromString(apn); if (dunSetting != null) { if (!ServiceState.bitmaskHasTech(dunSetting.bearerBitmask, bearer)) continue; if (dunSetting.hasMvnoParams()) { if (r != null && ApnSetting.mvnoMatches(r, dunSetting.mvnoType, dunSetting.mvnoMatchData)) { if (VDBG) { log("fetchDunApn: config_tether_apndata mvno dunSetting=" + dunSetting); } return dunSetting; } } else if (mMvnoMatched == false) { retDunSetting = dunSetting; } } } if (VDBG) log("fetchDunApn: config_tether_apndata dunSetting=" + retDunSetting); return retDunSetting; } public boolean hasMatchedTetherApnSetting() { ApnSetting matched = fetchDunApn(); log("hasMatchedTetherApnSetting: APN=" + matched); return matched != null; } /** * Determine if DUN connection is special and we need to teardown on start/stop */ private boolean teardownForDun() { // CDMA always needs to do this the profile id is correct final int rilRat = mPhone.getServiceState().getRilDataRadioTechnology(); if (ServiceState.isCdma(rilRat)) return true; return (fetchDunApn() != null); } /** * Cancels the alarm associated with apnContext. * * @param apnContext on which the alarm should be stopped. */ private void cancelReconnectAlarm(ApnContext apnContext) { if (apnContext == null) return; PendingIntent intent = apnContext.getReconnectIntent(); if (intent != null) { AlarmManager am = (AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE); am.cancel(intent); apnContext.setReconnectIntent(null); } } /** * @param types comma delimited list of APN types * @return array of APN types */ private String[] parseTypes(String types) { String[] result; // If unset, set to DEFAULT. if (types == null || types.equals("")) { result = new String[1]; result[0] = PhoneConstants.APN_TYPE_ALL; } else { result = types.split(","); } return result; } boolean isPermanentFail(DcFailCause dcFailCause) { return (dcFailCause.isPermanentFail() && (mAttached.get() == false || dcFailCause != DcFailCause.SIGNAL_LOST)); } private ApnSetting makeApnSetting(Cursor cursor) { String[] types = parseTypes( cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.TYPE))); ApnSetting apn = new ApnSetting( cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers._ID)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.NUMERIC)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.NAME)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.APN)), NetworkUtils.trimV4AddrZeros( cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.PROXY))), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.PORT)), NetworkUtils.trimV4AddrZeros( cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.MMSC))), NetworkUtils.trimV4AddrZeros( cursor.getString( cursor.getColumnIndexOrThrow(Telephony.Carriers.MMSPROXY))), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.MMSPORT)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.USER)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.PASSWORD)), cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.AUTH_TYPE)), types, cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.PROTOCOL)), cursor.getString(cursor.getColumnIndexOrThrow( Telephony.Carriers.ROAMING_PROTOCOL)), cursor.getInt(cursor.getColumnIndexOrThrow( Telephony.Carriers.CARRIER_ENABLED)) == 1, cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.BEARER)), cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.BEARER_BITMASK)), cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.PROFILE_ID)), cursor.getInt(cursor.getColumnIndexOrThrow( Telephony.Carriers.MODEM_COGNITIVE)) == 1, cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.MAX_CONNS)), cursor.getInt(cursor.getColumnIndexOrThrow( Telephony.Carriers.WAIT_TIME)), cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.MAX_CONNS_TIME)), cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers.MTU)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.MVNO_TYPE)), cursor.getString(cursor.getColumnIndexOrThrow(Telephony.Carriers.MVNO_MATCH_DATA))); return apn; } private ArrayList createApnList(Cursor cursor) { ArrayList mnoApns = new ArrayList(); ArrayList mvnoApns = new ArrayList(); IccRecords r = mIccRecords.get(); if (cursor.moveToFirst()) { do { ApnSetting apn = makeApnSetting(cursor); if (apn == null) { continue; } if (apn.hasMvnoParams()) { if (r != null && ApnSetting.mvnoMatches(r, apn.mvnoType, apn.mvnoMatchData)) { mvnoApns.add(apn); } } else { mnoApns.add(apn); } } while (cursor.moveToNext()); } ArrayList result; if (mvnoApns.isEmpty()) { result = mnoApns; mMvnoMatched = false; } else { result = mvnoApns; mMvnoMatched = true; } if (DBG) log("createApnList: X result=" + result); return result; } private boolean dataConnectionNotInUse(DcAsyncChannel dcac) { if (DBG) log("dataConnectionNotInUse: check if dcac is inuse dcac=" + dcac); for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.getDcAc() == dcac) { if (DBG) log("dataConnectionNotInUse: in use by apnContext=" + apnContext); return false; } } // TODO: Fix retry handling so free DataConnections have empty apnlists. // Probably move retry handling into DataConnections and reduce complexity // of DCT. if (DBG) log("dataConnectionNotInUse: tearDownAll"); dcac.tearDownAll("No connection", null); if (DBG) log("dataConnectionNotInUse: not in use return true"); return true; } private DcAsyncChannel findFreeDataConnection() { for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { if (dcac.isInactiveSync() && dataConnectionNotInUse(dcac)) { if (DBG) { log("findFreeDataConnection: found free DataConnection=" + " dcac=" + dcac); } return dcac; } } log("findFreeDataConnection: NO free DataConnection"); return null; } private boolean setupData(ApnContext apnContext, int radioTech) { if (DBG) log("setupData: apnContext=" + apnContext); apnContext.requestLog("setupData"); ApnSetting apnSetting; DcAsyncChannel dcac = null; apnSetting = apnContext.getNextApnSetting(); if (apnSetting == null) { if (DBG) log("setupData: return for no apn found!"); return false; } int profileId = apnSetting.profileId; if (profileId == 0) { profileId = getApnProfileID(apnContext.getApnType()); } // On CDMA, if we're explicitly asking for DUN, we need have // a dun-profiled connection so we can't share an existing one // On GSM/LTE we can share existing apn connections provided they support // this type. if (apnContext.getApnType() != PhoneConstants.APN_TYPE_DUN || teardownForDun() == false) { dcac = checkForCompatibleConnectedApnContext(apnContext); if (dcac != null) { // Get the dcacApnSetting for the connection we want to share. ApnSetting dcacApnSetting = dcac.getApnSettingSync(); if (dcacApnSetting != null) { // Setting is good, so use it. apnSetting = dcacApnSetting; } } } if (dcac == null) { if (isOnlySingleDcAllowed(radioTech)) { if (isHigherPriorityApnContextActive(apnContext)) { if (DBG) { log("setupData: Higher priority ApnContext active. Ignoring call"); } return false; } // Only lower priority calls left. Disconnect them all in this single PDP case // so that we can bring up the requested higher priority call (once we receive // response for deactivate request for the calls we are about to disconnect if (cleanUpAllConnections(true, Phone.REASON_SINGLE_PDN_ARBITRATION)) { // If any call actually requested to be disconnected, means we can't // bring up this connection yet as we need to wait for those data calls // to be disconnected. if (DBG) log("setupData: Some calls are disconnecting first. Wait and retry"); return false; } // No other calls are active, so proceed if (DBG) log("setupData: Single pdp. Continue setting up data call."); } dcac = findFreeDataConnection(); if (dcac == null) { dcac = createDataConnection(); } if (dcac == null) { if (DBG) log("setupData: No free DataConnection and couldn't create one, WEIRD"); return false; } } final int generation = apnContext.incAndGetConnectionGeneration(); if (DBG) { log("setupData: dcac=" + dcac + " apnSetting=" + apnSetting + " gen#=" + generation); } apnContext.setDataConnectionAc(dcac); apnContext.setApnSetting(apnSetting); apnContext.setState(DctConstants.State.CONNECTING); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); Message msg = obtainMessage(); msg.what = DctConstants.EVENT_DATA_SETUP_COMPLETE; msg.obj = new Pair(apnContext, generation); dcac.bringUp(apnContext, profileId, radioTech, msg, generation); if (DBG) log("setupData: initing!"); return true; } private void setInitialAttachApn() { ApnSetting iaApnSetting = null; ApnSetting defaultApnSetting = null; ApnSetting firstApnSetting = null; log("setInitialApn: E mPreferredApn=" + mPreferredApn); if (mAllApnSettings != null && !mAllApnSettings.isEmpty()) { firstApnSetting = mAllApnSettings.get(0); log("setInitialApn: firstApnSetting=" + firstApnSetting); // Search for Initial APN setting and the first apn that can handle default for (ApnSetting apn : mAllApnSettings) { // Can't use apn.canHandleType(), as that returns true for APNs that have no type. if (ArrayUtils.contains(apn.types, PhoneConstants.APN_TYPE_IA) && apn.carrierEnabled) { // The Initial Attach APN is highest priority so use it if there is one log("setInitialApn: iaApnSetting=" + apn); iaApnSetting = apn; break; } else if ((defaultApnSetting == null) && (apn.canHandleType(PhoneConstants.APN_TYPE_DEFAULT))) { // Use the first default apn if no better choice log("setInitialApn: defaultApnSetting=" + apn); defaultApnSetting = apn; } } } // The priority of apn candidates from highest to lowest is: // 1) APN_TYPE_IA (Initial Attach) // 2) mPreferredApn, i.e. the current preferred apn // 3) The first apn that than handle APN_TYPE_DEFAULT // 4) The first APN we can find. ApnSetting initialAttachApnSetting = null; if (iaApnSetting != null) { if (DBG) log("setInitialAttachApn: using iaApnSetting"); initialAttachApnSetting = iaApnSetting; } else if (mPreferredApn != null) { if (DBG) log("setInitialAttachApn: using mPreferredApn"); initialAttachApnSetting = mPreferredApn; } else if (defaultApnSetting != null) { if (DBG) log("setInitialAttachApn: using defaultApnSetting"); initialAttachApnSetting = defaultApnSetting; } else if (firstApnSetting != null) { if (DBG) log("setInitialAttachApn: using firstApnSetting"); initialAttachApnSetting = firstApnSetting; } if (initialAttachApnSetting == null) { if (DBG) log("setInitialAttachApn: X There in no available apn"); } else { if (DBG) log("setInitialAttachApn: X selected Apn=" + initialAttachApnSetting); mPhone.mCi.setInitialAttachApn(initialAttachApnSetting.apn, initialAttachApnSetting.protocol, initialAttachApnSetting.authType, initialAttachApnSetting.user, initialAttachApnSetting.password, null); } } /** * Handles changes to the APN database. */ private void onApnChanged() { DctConstants.State overallState = getOverallState(); boolean isDisconnected = (overallState == DctConstants.State.IDLE || overallState == DctConstants.State.FAILED); if (mPhone instanceof GsmCdmaPhone) { // The "current" may no longer be valid. MMS depends on this to send properly. TBD ((GsmCdmaPhone)mPhone).updateCurrentCarrierInProvider(); } // TODO: It'd be nice to only do this if the changed entrie(s) // match the current operator. if (DBG) log("onApnChanged: createAllApnList and cleanUpAllConnections"); createAllApnList(); setInitialAttachApn(); cleanUpConnectionsOnUpdatedApns(!isDisconnected); // FIXME: See bug 17426028 maybe no conditional is needed. if (mPhone.getSubId() == SubscriptionManager.getDefaultDataSubscriptionId()) { setupDataOnConnectableApns(Phone.REASON_APN_CHANGED); } } /** * @param cid Connection id provided from RIL. * @return DataConnectionAc associated with specified cid. */ private DcAsyncChannel findDataConnectionAcByCid(int cid) { for (DcAsyncChannel dcac : mDataConnectionAcHashMap.values()) { if (dcac.getCidSync() == cid) { return dcac; } } return null; } // TODO: For multiple Active APNs not exactly sure how to do this. private void gotoIdleAndNotifyDataConnection(String reason) { if (DBG) log("gotoIdleAndNotifyDataConnection: reason=" + reason); notifyDataConnection(reason); } /** * "Active" here means ApnContext isEnabled() and not in FAILED state * @param apnContext to compare with * @return true if higher priority active apn found */ private boolean isHigherPriorityApnContextActive(ApnContext apnContext) { for (ApnContext otherContext : mPrioritySortedApnContexts) { if (apnContext.getApnType().equalsIgnoreCase(otherContext.getApnType())) return false; if (otherContext.isEnabled() && otherContext.getState() != DctConstants.State.FAILED) { return true; } } return false; } /** * Reports if we support multiple connections or not. * This is a combination of factors, based on carrier and RAT. * @param rilRadioTech the RIL Radio Tech currently in use * @return true if only single DataConnection is allowed */ private boolean isOnlySingleDcAllowed(int rilRadioTech) { int[] singleDcRats = mPhone.getContext().getResources().getIntArray( com.android.internal.R.array.config_onlySingleDcAllowed); boolean onlySingleDcAllowed = false; if (Build.IS_DEBUGGABLE && SystemProperties.getBoolean("persist.telephony.test.singleDc", false)) { onlySingleDcAllowed = true; } if (singleDcRats != null) { for (int i=0; i < singleDcRats.length && onlySingleDcAllowed == false; i++) { if (rilRadioTech == singleDcRats[i]) onlySingleDcAllowed = true; } } if (DBG) log("isOnlySingleDcAllowed(" + rilRadioTech + "): " + onlySingleDcAllowed); return onlySingleDcAllowed; } void sendRestartRadio() { if (DBG)log("sendRestartRadio:"); Message msg = obtainMessage(DctConstants.EVENT_RESTART_RADIO); sendMessage(msg); } private void restartRadio() { if (DBG) log("restartRadio: ************TURN OFF RADIO**************"); cleanUpAllConnections(true, Phone.REASON_RADIO_TURNED_OFF); mPhone.getServiceStateTracker().powerOffRadioSafely(this); /* Note: no need to call setRadioPower(true). Assuming the desired * radio power state is still ON (as tracked by ServiceStateTracker), * ServiceStateTracker will call setRadioPower when it receives the * RADIO_STATE_CHANGED notification for the power off. And if the * desired power state has changed in the interim, we don't want to * override it with an unconditional power on. */ int reset = Integer.parseInt(SystemProperties.get("net.ppp.reset-by-timeout", "0")); SystemProperties.set("net.ppp.reset-by-timeout", String.valueOf(reset + 1)); } /** * Return true if data connection need to be setup after disconnected due to * reason. * * @param apnContext APN context * @return true if try setup data connection is need for this reason */ private boolean retryAfterDisconnected(ApnContext apnContext) { boolean retry = true; String reason = apnContext.getReason(); if ( Phone.REASON_RADIO_TURNED_OFF.equals(reason) || (isOnlySingleDcAllowed(mPhone.getServiceState().getRilDataRadioTechnology()) && isHigherPriorityApnContextActive(apnContext))) { retry = false; } return retry; } private void startAlarmForReconnect(long delay, ApnContext apnContext) { String apnType = apnContext.getApnType(); Intent intent = new Intent(INTENT_RECONNECT_ALARM + "." + apnType); intent.putExtra(INTENT_RECONNECT_ALARM_EXTRA_REASON, apnContext.getReason()); intent.putExtra(INTENT_RECONNECT_ALARM_EXTRA_TYPE, apnType); intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); // Get current sub id. int subId = SubscriptionManager.getDefaultDataSubscriptionId(); intent.putExtra(PhoneConstants.SUBSCRIPTION_KEY, subId); if (DBG) { log("startAlarmForReconnect: delay=" + delay + " action=" + intent.getAction() + " apn=" + apnContext); } PendingIntent alarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); apnContext.setReconnectIntent(alarmIntent); // Use the exact timer instead of the inexact one to provide better user experience. // In some extreme cases, we saw the retry was delayed for few minutes. // Note that if the stated trigger time is in the past, the alarm will be triggered // immediately. mAlarmManager.setExact(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delay, alarmIntent); } private void notifyNoData(DcFailCause lastFailCauseCode, ApnContext apnContext) { if (DBG) log( "notifyNoData: type=" + apnContext.getApnType()); if (isPermanentFail(lastFailCauseCode) && (!apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT))) { mPhone.notifyDataConnectionFailed(apnContext.getReason(), apnContext.getApnType()); } } public boolean getAutoAttachOnCreation() { return mAutoAttachOnCreation.get(); } private void onRecordsLoadedOrSubIdChanged() { if (DBG) log("onRecordsLoadedOrSubIdChanged: createAllApnList"); mAutoAttachOnCreationConfig = mPhone.getContext().getResources() .getBoolean(com.android.internal.R.bool.config_auto_attach_data_on_creation); createAllApnList(); setInitialAttachApn(); if (mPhone.mCi.getRadioState().isOn()) { if (DBG) log("onRecordsLoadedOrSubIdChanged: notifying data availability"); notifyOffApnsOfAvailability(Phone.REASON_SIM_LOADED); } setupDataOnConnectableApns(Phone.REASON_SIM_LOADED); } public void setApnsEnabledByCarrier(boolean enabled) { Message msg = obtainMessage(DctConstants.EVENT_SET_CARRIER_DATA_ENABLED); msg.arg1 = (enabled ? DctConstants.ENABLED : DctConstants.DISABLED); sendMessage(msg); } /** * Action set from carrier signalling broadcast receivers to enable/disable metered apns. */ private void onSetCarrierDataEnabled(boolean enabled) { synchronized (mDataEnabledSettings) { if (enabled != mDataEnabledSettings.isCarrierDataEnabled()) { if (DBG) { log("carrier Action: set metered apns enabled: " + enabled); } // Disable/enable all metered apns mDataEnabledSettings.setCarrierDataEnabled(enabled); if (!enabled) { // Send otasp_sim_unprovisioned so that SuW is able to proceed and notify users mPhone.notifyOtaspChanged(ServiceStateTracker.OTASP_SIM_UNPROVISIONED); // Tear down all metered apns cleanUpAllConnections(true, Phone.REASON_CARRIER_ACTION_DISABLE_METERED_APN); } else { teardownRestrictedMeteredConnections(); setupDataOnConnectableApns(Phone.REASON_DATA_ENABLED); } } } } /** * Action set from carrier signalling broadcast receivers to enable/disable radio */ public void carrierActionSetRadioEnabled(boolean enabled) { if (DBG) { log("carrier Action: set radio enabled: " + enabled); } final ServiceStateTracker sst = mPhone.getServiceStateTracker(); sst.setRadioPowerFromCarrier(enabled); } private void onSimNotReady() { if (DBG) log("onSimNotReady"); cleanUpAllConnections(true, Phone.REASON_SIM_NOT_READY); mAllApnSettings = null; mAutoAttachOnCreationConfig = false; } private void onSetDependencyMet(String apnType, boolean met) { // don't allow users to tweak hipri to work around default dependency not met if (PhoneConstants.APN_TYPE_HIPRI.equals(apnType)) return; ApnContext apnContext = mApnContexts.get(apnType); if (apnContext == null) { loge("onSetDependencyMet: ApnContext not found in onSetDependencyMet(" + apnType + ", " + met + ")"); return; } applyNewState(apnContext, apnContext.isEnabled(), met); if (PhoneConstants.APN_TYPE_DEFAULT.equals(apnType)) { // tie actions on default to similar actions on HIPRI regarding dependencyMet apnContext = mApnContexts.get(PhoneConstants.APN_TYPE_HIPRI); if (apnContext != null) applyNewState(apnContext, apnContext.isEnabled(), met); } } public void setPolicyDataEnabled(boolean enabled) { if (DBG) log("setPolicyDataEnabled: " + enabled); Message msg = obtainMessage(DctConstants.CMD_SET_POLICY_DATA_ENABLE); msg.arg1 = (enabled ? DctConstants.ENABLED : DctConstants.DISABLED); sendMessage(msg); } private void onSetPolicyDataEnabled(boolean enabled) { synchronized (mDataEnabledSettings) { final boolean prevEnabled = getAnyDataEnabled(); if (mDataEnabledSettings.isPolicyDataEnabled() != enabled) { mDataEnabledSettings.setPolicyDataEnabled(enabled); // TODO: We should register for DataEnabledSetting's data enabled/disabled event and // handle the rest from there. if (prevEnabled != getAnyDataEnabled()) { if (!prevEnabled) { teardownRestrictedMeteredConnections(); onTrySetupData(Phone.REASON_DATA_ENABLED); } else { onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED); } } } } } private void applyNewState(ApnContext apnContext, boolean enabled, boolean met) { boolean cleanup = false; boolean trySetup = false; String str ="applyNewState(" + apnContext.getApnType() + ", " + enabled + "(" + apnContext.isEnabled() + "), " + met + "(" + apnContext.getDependencyMet() +"))"; if (DBG) log(str); apnContext.requestLog(str); if (apnContext.isReady()) { cleanup = true; if (enabled && met) { DctConstants.State state = apnContext.getState(); switch(state) { case CONNECTING: case SCANNING: case CONNECTED: case DISCONNECTING: // We're "READY" and active so just return if (DBG) log("applyNewState: 'ready' so return"); apnContext.requestLog("applyNewState state=" + state + ", so return"); return; case IDLE: // fall through: this is unexpected but if it happens cleanup and try setup case FAILED: case RETRYING: { // We're "READY" but not active so disconnect (cleanup = true) and // connect (trySetup = true) to be sure we retry the connection. trySetup = true; apnContext.setReason(Phone.REASON_DATA_ENABLED); break; } } } else if (met) { apnContext.setReason(Phone.REASON_DATA_DISABLED); // If ConnectivityService has disabled this network, stop trying to bring // it up, but do not tear it down - ConnectivityService will do that // directly by talking with the DataConnection. // // This doesn't apply to DUN, however. Those connections have special // requirements from carriers and we need stop using them when the dun // request goes away. This applies to both CDMA and GSM because they both // can declare the DUN APN sharable by default traffic, thus still satisfying // those requests and not torn down organically. if (apnContext.getApnType() == PhoneConstants.APN_TYPE_DUN && teardownForDun()) { cleanup = true; } else { cleanup = false; } } else { apnContext.setReason(Phone.REASON_DATA_DEPENDENCY_UNMET); } } else { if (enabled && met) { if (apnContext.isEnabled()) { apnContext.setReason(Phone.REASON_DATA_DEPENDENCY_MET); } else { apnContext.setReason(Phone.REASON_DATA_ENABLED); } if (apnContext.getState() == DctConstants.State.FAILED) { apnContext.setState(DctConstants.State.IDLE); } trySetup = true; } } apnContext.setEnabled(enabled); apnContext.setDependencyMet(met); if (cleanup) cleanUpConnection(true, apnContext); if (trySetup) { apnContext.resetErrorCodeRetries(); trySetupData(apnContext); } } private DcAsyncChannel checkForCompatibleConnectedApnContext(ApnContext apnContext) { String apnType = apnContext.getApnType(); ApnSetting dunSetting = null; if (PhoneConstants.APN_TYPE_DUN.equals(apnType)) { dunSetting = fetchDunApn(); } if (DBG) { log("checkForCompatibleConnectedApnContext: apnContext=" + apnContext ); } DcAsyncChannel potentialDcac = null; ApnContext potentialApnCtx = null; for (ApnContext curApnCtx : mApnContexts.values()) { DcAsyncChannel curDcac = curApnCtx.getDcAc(); if (curDcac != null) { ApnSetting apnSetting = curApnCtx.getApnSetting(); log("apnSetting: " + apnSetting); if (dunSetting != null) { if (dunSetting.equals(apnSetting)) { switch (curApnCtx.getState()) { case CONNECTED: if (DBG) { log("checkForCompatibleConnectedApnContext:" + " found dun conn=" + curDcac + " curApnCtx=" + curApnCtx); } return curDcac; case RETRYING: case CONNECTING: potentialDcac = curDcac; potentialApnCtx = curApnCtx; default: // Not connected, potential unchanged break; } } } else if (apnSetting != null && apnSetting.canHandleType(apnType)) { switch (curApnCtx.getState()) { case CONNECTED: if (DBG) { log("checkForCompatibleConnectedApnContext:" + " found canHandle conn=" + curDcac + " curApnCtx=" + curApnCtx); } return curDcac; case RETRYING: case CONNECTING: potentialDcac = curDcac; potentialApnCtx = curApnCtx; default: // Not connected, potential unchanged break; } } } else { if (VDBG) { log("checkForCompatibleConnectedApnContext: not conn curApnCtx=" + curApnCtx); } } } if (potentialDcac != null) { if (DBG) { log("checkForCompatibleConnectedApnContext: found potential conn=" + potentialDcac + " curApnCtx=" + potentialApnCtx); } return potentialDcac; } if (DBG) log("checkForCompatibleConnectedApnContext: NO conn apnContext=" + apnContext); return null; } public void setEnabled(int id, boolean enable) { Message msg = obtainMessage(DctConstants.EVENT_ENABLE_NEW_APN); msg.arg1 = id; msg.arg2 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); sendMessage(msg); } private void onEnableApn(int apnId, int enabled) { ApnContext apnContext = mApnContextsById.get(apnId); if (apnContext == null) { loge("onEnableApn(" + apnId + ", " + enabled + "): NO ApnContext"); return; } // TODO change our retry manager to use the appropriate numbers for the new APN if (DBG) log("onEnableApn: apnContext=" + apnContext + " call applyNewState"); applyNewState(apnContext, enabled == DctConstants.ENABLED, apnContext.getDependencyMet()); } // TODO: We shouldnt need this. private boolean onTrySetupData(String reason) { if (DBG) log("onTrySetupData: reason=" + reason); setupDataOnConnectableApns(reason); return true; } private boolean onTrySetupData(ApnContext apnContext) { if (DBG) log("onTrySetupData: apnContext=" + apnContext); return trySetupData(apnContext); } /** * Return current {@link android.provider.Settings.Global#MOBILE_DATA} value. */ //TODO: Merge this into DataSettings. And probably should rename to getUserDataEnabled(). public boolean getDataEnabled() { final int device_provisioned = Settings.Global.getInt(mResolver, Settings.Global.DEVICE_PROVISIONED, 0); boolean retVal = "true".equalsIgnoreCase(SystemProperties.get( "ro.com.android.mobiledata", "true")); if (TelephonyManager.getDefault().getSimCount() == 1) { retVal = Settings.Global.getInt(mResolver, Settings.Global.MOBILE_DATA, retVal ? 1 : 0) != 0; } else { int phoneSubId = mPhone.getSubId(); try { retVal = TelephonyManager.getIntWithSubId(mResolver, Settings.Global.MOBILE_DATA, phoneSubId) != 0; } catch (SettingNotFoundException e) { // use existing retVal } } if (VDBG) log("getDataEnabled: retVal=" + retVal); if (device_provisioned == 0) { // device is still getting provisioned - use whatever setting they // want during this process // // use the normal data_enabled setting (retVal, determined above) // as the default if nothing else is set final String prov_property = SystemProperties.get("ro.com.android.prov_mobiledata", retVal ? "true" : "false"); retVal = "true".equalsIgnoreCase(prov_property); final int prov_mobile_data = Settings.Global.getInt(mResolver, Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED, retVal ? 1 : 0); retVal = prov_mobile_data != 0; log("getDataEnabled during provisioning retVal=" + retVal + " - (" + prov_property + ", " + prov_mobile_data + ")"); } return retVal; } /** * Modify {@link android.provider.Settings.Global#DATA_ROAMING} value. */ public void setDataOnRoamingEnabled(boolean enabled) { final int phoneSubId = mPhone.getSubId(); if (getDataOnRoamingEnabled() != enabled) { int roaming = enabled ? 1 : 0; // For single SIM phones, this is a per phone property. if (TelephonyManager.getDefault().getSimCount() == 1) { Settings.Global.putInt(mResolver, Settings.Global.DATA_ROAMING, roaming); } else { Settings.Global.putInt(mResolver, Settings.Global.DATA_ROAMING + phoneSubId, roaming); } mSubscriptionManager.setDataRoaming(roaming, phoneSubId); // will trigger handleDataOnRoamingChange() through observer if (DBG) { log("setDataOnRoamingEnabled: set phoneSubId=" + phoneSubId + " isRoaming=" + enabled); } } else { if (DBG) { log("setDataOnRoamingEnabled: unchanged phoneSubId=" + phoneSubId + " isRoaming=" + enabled); } } } /** * Return current {@link android.provider.Settings.Global#DATA_ROAMING} value. */ public boolean getDataOnRoamingEnabled() { boolean isDataRoamingEnabled = "true".equalsIgnoreCase(SystemProperties.get( "ro.com.android.dataroaming", "false")); final int phoneSubId = mPhone.getSubId(); try { // For single SIM phones, this is a per phone property. if (TelephonyManager.getDefault().getSimCount() == 1) { isDataRoamingEnabled = Settings.Global.getInt(mResolver, Settings.Global.DATA_ROAMING, isDataRoamingEnabled ? 1 : 0) != 0; } else { isDataRoamingEnabled = TelephonyManager.getIntWithSubId(mResolver, Settings.Global.DATA_ROAMING, phoneSubId) != 0; } } catch (SettingNotFoundException snfe) { if (DBG) log("getDataOnRoamingEnabled: SettingNofFoundException snfe=" + snfe); } if (VDBG) { log("getDataOnRoamingEnabled: phoneSubId=" + phoneSubId + " isDataRoamingEnabled=" + isDataRoamingEnabled); } return isDataRoamingEnabled; } private void onRoamingOff() { if (DBG) log("onRoamingOff"); if (!mDataEnabledSettings.isUserDataEnabled()) return; if (getDataOnRoamingEnabled() == false) { notifyOffApnsOfAvailability(Phone.REASON_ROAMING_OFF); setupDataOnConnectableApns(Phone.REASON_ROAMING_OFF); } else { notifyDataConnection(Phone.REASON_ROAMING_OFF); } } private void onRoamingOn() { if (DBG) log("onRoamingOn"); if (!mDataEnabledSettings.isUserDataEnabled()) { if (DBG) log("data not enabled by user"); return; } // Check if the device is actually data roaming if (!mPhone.getServiceState().getDataRoaming()) { if (DBG) log("device is not roaming. ignored the request."); return; } if (getDataOnRoamingEnabled()) { if (DBG) log("onRoamingOn: setup data on roaming"); setupDataOnConnectableApns(Phone.REASON_ROAMING_ON); notifyDataConnection(Phone.REASON_ROAMING_ON); } else { if (DBG) log("onRoamingOn: Tear down data connection on roaming."); cleanUpAllConnections(true, Phone.REASON_ROAMING_ON); notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON); } } private void onRadioAvailable() { if (DBG) log("onRadioAvailable"); if (mPhone.getSimulatedRadioControl() != null) { // Assume data is connected on the simulator // FIXME this can be improved // setState(DctConstants.State.CONNECTED); notifyDataConnection(null); log("onRadioAvailable: We're on the simulator; assuming data is connected"); } IccRecords r = mIccRecords.get(); if (r != null && r.getRecordsLoaded()) { notifyOffApnsOfAvailability(null); } if (getOverallState() != DctConstants.State.IDLE) { cleanUpConnection(true, null); } } private void onRadioOffOrNotAvailable() { // Make sure our reconnect delay starts at the initial value // next time the radio comes on mReregisterOnReconnectFailure = false; if (mPhone.getSimulatedRadioControl() != null) { // Assume data is connected on the simulator // FIXME this can be improved log("We're on the simulator; assuming radio off is meaningless"); } else { if (DBG) log("onRadioOffOrNotAvailable: is off and clean up all connections"); cleanUpAllConnections(false, Phone.REASON_RADIO_TURNED_OFF); } notifyOffApnsOfAvailability(null); } private void completeConnection(ApnContext apnContext) { if (DBG) log("completeConnection: successful, notify the world apnContext=" + apnContext); if (mIsProvisioning && !TextUtils.isEmpty(mProvisioningUrl)) { if (DBG) { log("completeConnection: MOBILE_PROVISIONING_ACTION url=" + mProvisioningUrl); } Intent newIntent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, Intent.CATEGORY_APP_BROWSER); newIntent.setData(Uri.parse(mProvisioningUrl)); newIntent.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK); try { mPhone.getContext().startActivity(newIntent); } catch (ActivityNotFoundException e) { loge("completeConnection: startActivityAsUser failed" + e); } } mIsProvisioning = false; mProvisioningUrl = null; if (mProvisioningSpinner != null) { sendMessage(obtainMessage(DctConstants.CMD_CLEAR_PROVISIONING_SPINNER, mProvisioningSpinner)); } mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); } /** * A SETUP (aka bringUp) has completed, possibly with an error. If * there is an error this method will call {@link #onDataSetupCompleteError}. */ private void onDataSetupComplete(AsyncResult ar) { DcFailCause cause = DcFailCause.UNKNOWN; boolean handleError = false; ApnContext apnContext = getValidApnContext(ar, "onDataSetupComplete"); if (apnContext == null) return; if (ar.exception == null) { DcAsyncChannel dcac = apnContext.getDcAc(); if (RADIO_TESTS) { // Note: To change radio.test.onDSC.null.dcac from command line you need to // adb root and adb remount and from the command line you can only change the // value to 1 once. To change it a second time you can reboot or execute // adb shell stop and then adb shell start. The command line to set the value is: // adb shell sqlite3 /data/data/com.android.providers.settings/databases/settings.db "insert into system (name,value) values ('radio.test.onDSC.null.dcac', '1');" ContentResolver cr = mPhone.getContext().getContentResolver(); String radioTestProperty = "radio.test.onDSC.null.dcac"; if (Settings.System.getInt(cr, radioTestProperty, 0) == 1) { log("onDataSetupComplete: " + radioTestProperty + " is true, set dcac to null and reset property to false"); dcac = null; Settings.System.putInt(cr, radioTestProperty, 0); log("onDataSetupComplete: " + radioTestProperty + "=" + Settings.System.getInt(mPhone.getContext().getContentResolver(), radioTestProperty, -1)); } } if (dcac == null) { log("onDataSetupComplete: no connection to DC, handle as error"); cause = DcFailCause.CONNECTION_TO_DATACONNECTIONAC_BROKEN; handleError = true; } else { ApnSetting apn = apnContext.getApnSetting(); if (DBG) { log("onDataSetupComplete: success apn=" + (apn == null ? "unknown" : apn.apn)); } if (apn != null && apn.proxy != null && apn.proxy.length() != 0) { try { String port = apn.port; if (TextUtils.isEmpty(port)) port = "8080"; ProxyInfo proxy = new ProxyInfo(apn.proxy, Integer.parseInt(port), null); dcac.setLinkPropertiesHttpProxySync(proxy); } catch (NumberFormatException e) { loge("onDataSetupComplete: NumberFormatException making ProxyProperties (" + apn.port + "): " + e); } } // everything is setup if(TextUtils.equals(apnContext.getApnType(),PhoneConstants.APN_TYPE_DEFAULT)) { try { SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "true"); } catch (RuntimeException ex) { log("Failed to set PUPPET_MASTER_RADIO_STRESS_TEST to true"); } if (mCanSetPreferApn && mPreferredApn == null) { if (DBG) log("onDataSetupComplete: PREFERRED APN is null"); mPreferredApn = apn; if (mPreferredApn != null) { setPreferredApn(mPreferredApn.id); } } } else { try { SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "false"); } catch (RuntimeException ex) { log("Failed to set PUPPET_MASTER_RADIO_STRESS_TEST to false"); } } // A connection is setup apnContext.setState(DctConstants.State.CONNECTED); boolean isProvApn = apnContext.isProvisioningApn(); final ConnectivityManager cm = ConnectivityManager.from(mPhone.getContext()); if (mProvisionBroadcastReceiver != null) { mPhone.getContext().unregisterReceiver(mProvisionBroadcastReceiver); mProvisionBroadcastReceiver = null; } if ((!isProvApn) || mIsProvisioning) { // Hide any provisioning notification. cm.setProvisioningNotificationVisible(false, ConnectivityManager.TYPE_MOBILE, mProvisionActionName); // Complete the connection normally notifying the world we're connected. // We do this if this isn't a special provisioning apn or if we've been // told its time to provision. completeConnection(apnContext); } else { // This is a provisioning APN that we're reporting as connected. Later // when the user desires to upgrade this to a "default" connection, // mIsProvisioning == true, we'll go through the code path above. // mIsProvisioning becomes true when CMD_ENABLE_MOBILE_PROVISIONING // is sent to the DCT. if (DBG) { log("onDataSetupComplete: successful, BUT send connected to prov apn as" + " mIsProvisioning:" + mIsProvisioning + " == false" + " && (isProvisioningApn:" + isProvApn + " == true"); } // While radio is up, grab provisioning URL. The URL contains ICCID which // disappears when radio is off. mProvisionBroadcastReceiver = new ProvisionNotificationBroadcastReceiver( cm.getMobileProvisioningUrl(), TelephonyManager.getDefault().getNetworkOperatorName()); mPhone.getContext().registerReceiver(mProvisionBroadcastReceiver, new IntentFilter(mProvisionActionName)); // Put up user notification that sign-in is required. cm.setProvisioningNotificationVisible(true, ConnectivityManager.TYPE_MOBILE, mProvisionActionName); // Turn off radio to save battery and avoid wasting carrier resources. // The network isn't usable and network validation will just fail anyhow. setRadio(false); } if (DBG) { log("onDataSetupComplete: SETUP complete type=" + apnContext.getApnType() + ", reason:" + apnContext.getReason()); } if (Build.IS_DEBUGGABLE) { // adb shell setprop persist.radio.test.pco [pco_val] String radioTestProperty = "persist.radio.test.pco"; int pcoVal = SystemProperties.getInt(radioTestProperty, -1); if (pcoVal != -1) { log("PCO testing: read pco value from persist.radio.test.pco " + pcoVal); final byte[] value = new byte[1]; value[0] = (byte) pcoVal; final Intent intent = new Intent(TelephonyIntents.ACTION_CARRIER_SIGNAL_PCO_VALUE); intent.putExtra(TelephonyIntents.EXTRA_APN_TYPE_KEY, "default"); intent.putExtra(TelephonyIntents.EXTRA_APN_PROTO_KEY, "IPV4V6"); intent.putExtra(TelephonyIntents.EXTRA_PCO_ID_KEY, 0xFF00); intent.putExtra(TelephonyIntents.EXTRA_PCO_VALUE_KEY, value); mPhone.getCarrierSignalAgent().notifyCarrierSignalReceivers(intent); } } } } else { cause = (DcFailCause) (ar.result); if (DBG) { ApnSetting apn = apnContext.getApnSetting(); log(String.format("onDataSetupComplete: error apn=%s cause=%s", (apn == null ? "unknown" : apn.apn), cause)); } if (cause.isEventLoggable()) { // Log this failure to the Event Logs. int cid = getCellLocationId(); EventLog.writeEvent(EventLogTags.PDP_SETUP_FAIL, cause.ordinal(), cid, TelephonyManager.getDefault().getNetworkType()); } ApnSetting apn = apnContext.getApnSetting(); mPhone.notifyPreciseDataConnectionFailed(apnContext.getReason(), apnContext.getApnType(), apn != null ? apn.apn : "unknown", cause.toString()); // Compose broadcast intent send to the specific carrier signaling receivers Intent intent = new Intent(TelephonyIntents .ACTION_CARRIER_SIGNAL_REQUEST_NETWORK_FAILED); intent.putExtra(TelephonyIntents.EXTRA_ERROR_CODE_KEY, cause.getErrorCode()); intent.putExtra(TelephonyIntents.EXTRA_APN_TYPE_KEY, apnContext.getApnType()); mPhone.getCarrierSignalAgent().notifyCarrierSignalReceivers(intent); if (cause.isRestartRadioFail() || apnContext.restartOnError(cause.getErrorCode())) { if (DBG) log("Modem restarted."); sendRestartRadio(); } // If the data call failure cause is a permanent failure, we mark the APN as permanent // failed. if (isPermanentFail(cause)) { log("cause = " + cause + ", mark apn as permanent failed. apn = " + apn); apnContext.markApnPermanentFailed(apn); } handleError = true; } if (handleError) { onDataSetupCompleteError(ar); } /* If flag is set to false after SETUP_DATA_CALL is invoked, we need * to clean data connections. */ if (!mDataEnabledSettings.isInternalDataEnabled()) { cleanUpAllConnections(Phone.REASON_DATA_DISABLED); } } /** * check for obsolete messages. Return ApnContext if valid, null if not */ private ApnContext getValidApnContext(AsyncResult ar, String logString) { if (ar != null && ar.userObj instanceof Pair) { Pairpair = (Pair)ar.userObj; ApnContext apnContext = pair.first; if (apnContext != null) { final int generation = apnContext.getConnectionGeneration(); if (DBG) { log("getValidApnContext (" + logString + ") on " + apnContext + " got " + generation + " vs " + pair.second); } if (generation == pair.second) { return apnContext; } else { log("ignoring obsolete " + logString); return null; } } } throw new RuntimeException(logString + ": No apnContext"); } /** * Error has occurred during the SETUP {aka bringUP} request and the DCT * should either try the next waiting APN or start over from the * beginning if the list is empty. Between each SETUP request there will * be a delay defined by {@link #getApnDelay()}. */ private void onDataSetupCompleteError(AsyncResult ar) { ApnContext apnContext = getValidApnContext(ar, "onDataSetupCompleteError"); if (apnContext == null) return; long delay = apnContext.getDelayForNextApn(mFailFast); // Check if we need to retry or not. if (delay >= 0) { if (DBG) log("onDataSetupCompleteError: Try next APN. delay = " + delay); apnContext.setState(DctConstants.State.SCANNING); // Wait a bit before trying the next APN, so that // we're not tying up the RIL command channel startAlarmForReconnect(delay, apnContext); } else { // If we are not going to retry any APN, set this APN context to failed state. // This would be the final state of a data connection. apnContext.setState(DctConstants.State.FAILED); mPhone.notifyDataConnection(Phone.REASON_APN_FAILED, apnContext.getApnType()); apnContext.setDataConnectionAc(null); log("onDataSetupCompleteError: Stop retrying APNs."); } } /** * Called when EVENT_REDIRECTION_DETECTED is received. */ private void onDataConnectionRedirected(String redirectUrl) { if (!TextUtils.isEmpty(redirectUrl)) { Intent intent = new Intent(TelephonyIntents.ACTION_CARRIER_SIGNAL_REDIRECTED); intent.putExtra(TelephonyIntents.EXTRA_REDIRECTION_URL_KEY, redirectUrl); if(mPhone.getCarrierSignalAgent().notifyCarrierSignalReceivers(intent)) { log("Notify carrier signal receivers with redirectUrl: " + redirectUrl); } } } /** * Called when EVENT_DISCONNECT_DONE is received. */ private void onDisconnectDone(AsyncResult ar) { ApnContext apnContext = getValidApnContext(ar, "onDisconnectDone"); if (apnContext == null) return; if(DBG) log("onDisconnectDone: EVENT_DISCONNECT_DONE apnContext=" + apnContext); apnContext.setState(DctConstants.State.IDLE); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); // if all data connection are gone, check whether Airplane mode request was // pending. if (isDisconnected()) { if (mPhone.getServiceStateTracker().processPendingRadioPowerOffAfterDataOff()) { if (DBG) log("onDisconnectDone: radio will be turned off, no retries"); // Radio will be turned off. No need to retry data setup apnContext.setApnSetting(null); apnContext.setDataConnectionAc(null); // Need to notify disconnect as well, in the case of switching Airplane mode. // Otherwise, it would cause 30s delayed to turn on Airplane mode. if (mDisconnectPendingCount > 0) { mDisconnectPendingCount--; } if (mDisconnectPendingCount == 0) { notifyDataDisconnectComplete(); notifyAllDataDisconnected(); } return; } } // If APN is still enabled, try to bring it back up automatically if (mAttached.get() && apnContext.isReady() && retryAfterDisconnected(apnContext)) { try { SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "false"); } catch (RuntimeException ex) { log("Failed to set PUPPET_MASTER_RADIO_STRESS_TEST to false"); } // Wait a bit before trying the next APN, so that // we're not tying up the RIL command channel. // This also helps in any external dependency to turn off the context. if (DBG) log("onDisconnectDone: attached, ready and retry after disconnect"); long delay = apnContext.getInterApnDelay(mFailFast); if (delay > 0) { // Data connection is in IDLE state, so when we reconnect later, we'll rebuild // the waiting APN list, which will also reset/reconfigure the retry manager. startAlarmForReconnect(delay, apnContext); } } else { boolean restartRadioAfterProvisioning = mPhone.getContext().getResources().getBoolean( com.android.internal.R.bool.config_restartRadioAfterProvisioning); if (apnContext.isProvisioningApn() && restartRadioAfterProvisioning) { log("onDisconnectDone: restartRadio after provisioning"); restartRadio(); } apnContext.setApnSetting(null); apnContext.setDataConnectionAc(null); if (isOnlySingleDcAllowed(mPhone.getServiceState().getRilDataRadioTechnology())) { if(DBG) log("onDisconnectDone: isOnlySigneDcAllowed true so setup single apn"); setupDataOnConnectableApns(Phone.REASON_SINGLE_PDN_ARBITRATION); } else { if(DBG) log("onDisconnectDone: not retrying"); } } if (mDisconnectPendingCount > 0) mDisconnectPendingCount--; if (mDisconnectPendingCount == 0) { apnContext.setConcurrentVoiceAndDataAllowed( mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()); notifyDataDisconnectComplete(); notifyAllDataDisconnected(); } } /** * Called when EVENT_DISCONNECT_DC_RETRYING is received. */ private void onDisconnectDcRetrying(AsyncResult ar) { // We could just do this in DC!!! ApnContext apnContext = getValidApnContext(ar, "onDisconnectDcRetrying"); if (apnContext == null) return; apnContext.setState(DctConstants.State.RETRYING); if(DBG) log("onDisconnectDcRetrying: apnContext=" + apnContext); mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType()); } private void onVoiceCallStarted() { if (DBG) log("onVoiceCallStarted"); mInVoiceCall = true; if (isConnected() && ! mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { if (DBG) log("onVoiceCallStarted stop polling"); stopNetStatPoll(); stopDataStallAlarm(); notifyDataConnection(Phone.REASON_VOICE_CALL_STARTED); } } private void onVoiceCallEnded() { if (DBG) log("onVoiceCallEnded"); mInVoiceCall = false; if (isConnected()) { if (!mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) { startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); notifyDataConnection(Phone.REASON_VOICE_CALL_ENDED); } else { // clean slate after call end. resetPollStats(); } } // reset reconnect timer setupDataOnConnectableApns(Phone.REASON_VOICE_CALL_ENDED); } private void onCleanUpConnection(boolean tearDown, int apnId, String reason) { if (DBG) log("onCleanUpConnection"); ApnContext apnContext = mApnContextsById.get(apnId); if (apnContext != null) { apnContext.setReason(reason); cleanUpConnection(tearDown, apnContext); } } private boolean isConnected() { for (ApnContext apnContext : mApnContexts.values()) { if (apnContext.getState() == DctConstants.State.CONNECTED) { // At least one context is connected, return true return true; } } // There are not any contexts connected, return false return false; } public boolean isDisconnected() { for (ApnContext apnContext : mApnContexts.values()) { if (!apnContext.isDisconnected()) { // At least one context was not disconnected return false return false; } } // All contexts were disconnected so return true return true; } private void notifyDataConnection(String reason) { if (DBG) log("notifyDataConnection: reason=" + reason); for (ApnContext apnContext : mApnContexts.values()) { if (mAttached.get() && apnContext.isReady()) { if (DBG) log("notifyDataConnection: type:" + apnContext.getApnType()); mPhone.notifyDataConnection(reason != null ? reason : apnContext.getReason(), apnContext.getApnType()); } } notifyOffApnsOfAvailability(reason); } private void setDataProfilesAsNeeded() { if (DBG) log("setDataProfilesAsNeeded"); if (mAllApnSettings != null && !mAllApnSettings.isEmpty()) { ArrayList dps = new ArrayList(); for (ApnSetting apn : mAllApnSettings) { if (apn.modemCognitive) { DataProfile dp = new DataProfile(apn, mPhone.getServiceState().getDataRoaming()); boolean isDup = false; for(DataProfile dpIn : dps) { if (dp.equals(dpIn)) { isDup = true; break; } } if (!isDup) { dps.add(dp); } } } if(dps.size() > 0) { mPhone.mCi.setDataProfile(dps.toArray(new DataProfile[0]), null); } } } /** * Based on the sim operator numeric, create a list for all possible * Data Connections and setup the preferredApn. */ private void createAllApnList() { mMvnoMatched = false; mAllApnSettings = new ArrayList(); IccRecords r = mIccRecords.get(); String operator = (r != null) ? r.getOperatorNumeric() : ""; if (operator != null) { String selection = "numeric = '" + operator + "'"; String orderBy = "_id"; // query only enabled apn. // carrier_enabled : 1 means enabled apn, 0 disabled apn. // selection += " and carrier_enabled = 1"; if (DBG) log("createAllApnList: selection=" + selection); Cursor cursor = mPhone.getContext().getContentResolver().query( Telephony.Carriers.CONTENT_URI, null, selection, null, orderBy); if (cursor != null) { if (cursor.getCount() > 0) { mAllApnSettings = createApnList(cursor); } cursor.close(); } } addEmergencyApnSetting(); dedupeApnSettings(); if (mAllApnSettings.isEmpty()) { if (DBG) log("createAllApnList: No APN found for carrier: " + operator); mPreferredApn = null; // TODO: What is the right behavior? //notifyNoData(DataConnection.FailCause.MISSING_UNKNOWN_APN); } else { mPreferredApn = getPreferredApn(); if (mPreferredApn != null && !mPreferredApn.numeric.equals(operator)) { mPreferredApn = null; setPreferredApn(-1); } if (DBG) log("createAllApnList: mPreferredApn=" + mPreferredApn); } if (DBG) log("createAllApnList: X mAllApnSettings=" + mAllApnSettings); setDataProfilesAsNeeded(); } private void dedupeApnSettings() { ArrayList resultApns = new ArrayList(); // coalesce APNs if they are similar enough to prevent // us from bringing up two data calls with the same interface int i = 0; while (i < mAllApnSettings.size() - 1) { ApnSetting first = mAllApnSettings.get(i); ApnSetting second = null; int j = i + 1; while (j < mAllApnSettings.size()) { second = mAllApnSettings.get(j); if (apnsSimilar(first, second)) { ApnSetting newApn = mergeApns(first, second); mAllApnSettings.set(i, newApn); first = newApn; mAllApnSettings.remove(j); } else { j++; } } i++; } } //check whether the types of two APN same (even only one type of each APN is same) private boolean apnTypeSameAny(ApnSetting first, ApnSetting second) { if(VDBG) { StringBuilder apnType1 = new StringBuilder(first.apn + ": "); for(int index1 = 0; index1 < first.types.length; index1++) { apnType1.append(first.types[index1]); apnType1.append(","); } StringBuilder apnType2 = new StringBuilder(second.apn + ": "); for(int index1 = 0; index1 < second.types.length; index1++) { apnType2.append(second.types[index1]); apnType2.append(","); } log("APN1: is " + apnType1); log("APN2: is " + apnType2); } for(int index1 = 0; index1 < first.types.length; index1++) { for(int index2 = 0; index2 < second.types.length; index2++) { if(first.types[index1].equals(PhoneConstants.APN_TYPE_ALL) || second.types[index2].equals(PhoneConstants.APN_TYPE_ALL) || first.types[index1].equals(second.types[index2])) { if(VDBG)log("apnTypeSameAny: return true"); return true; } } } if(VDBG)log("apnTypeSameAny: return false"); return false; } // Check if neither mention DUN and are substantially similar private boolean apnsSimilar(ApnSetting first, ApnSetting second) { return (first.canHandleType(PhoneConstants.APN_TYPE_DUN) == false && second.canHandleType(PhoneConstants.APN_TYPE_DUN) == false && Objects.equals(first.apn, second.apn) && !apnTypeSameAny(first, second) && xorEquals(first.proxy, second.proxy) && xorEquals(first.port, second.port) && first.carrierEnabled == second.carrierEnabled && first.bearerBitmask == second.bearerBitmask && first.profileId == second.profileId && Objects.equals(first.mvnoType, second.mvnoType) && Objects.equals(first.mvnoMatchData, second.mvnoMatchData) && xorEquals(first.mmsc, second.mmsc) && xorEquals(first.mmsProxy, second.mmsProxy) && xorEquals(first.mmsPort, second.mmsPort)); } // equal or one is not specified private boolean xorEquals(String first, String second) { return (Objects.equals(first, second) || TextUtils.isEmpty(first) || TextUtils.isEmpty(second)); } private ApnSetting mergeApns(ApnSetting dest, ApnSetting src) { int id = dest.id; ArrayList resultTypes = new ArrayList(); resultTypes.addAll(Arrays.asList(dest.types)); for (String srcType : src.types) { if (resultTypes.contains(srcType) == false) resultTypes.add(srcType); if (srcType.equals(PhoneConstants.APN_TYPE_DEFAULT)) id = src.id; } String mmsc = (TextUtils.isEmpty(dest.mmsc) ? src.mmsc : dest.mmsc); String mmsProxy = (TextUtils.isEmpty(dest.mmsProxy) ? src.mmsProxy : dest.mmsProxy); String mmsPort = (TextUtils.isEmpty(dest.mmsPort) ? src.mmsPort : dest.mmsPort); String proxy = (TextUtils.isEmpty(dest.proxy) ? src.proxy : dest.proxy); String port = (TextUtils.isEmpty(dest.port) ? src.port : dest.port); String protocol = src.protocol.equals("IPV4V6") ? src.protocol : dest.protocol; String roamingProtocol = src.roamingProtocol.equals("IPV4V6") ? src.roamingProtocol : dest.roamingProtocol; int bearerBitmask = (dest.bearerBitmask == 0 || src.bearerBitmask == 0) ? 0 : (dest.bearerBitmask | src.bearerBitmask); return new ApnSetting(id, dest.numeric, dest.carrier, dest.apn, proxy, port, mmsc, mmsProxy, mmsPort, dest.user, dest.password, dest.authType, resultTypes.toArray(new String[0]), protocol, roamingProtocol, dest.carrierEnabled, 0, bearerBitmask, dest.profileId, (dest.modemCognitive || src.modemCognitive), dest.maxConns, dest.waitTime, dest.maxConnsTime, dest.mtu, dest.mvnoType, dest.mvnoMatchData); } /** Return the DC AsyncChannel for the new data connection */ private DcAsyncChannel createDataConnection() { if (DBG) log("createDataConnection E"); int id = mUniqueIdGenerator.getAndIncrement(); DataConnection conn = DataConnection.makeDataConnection(mPhone, id, this, mDcTesterFailBringUpAll, mDcc); mDataConnections.put(id, conn); DcAsyncChannel dcac = new DcAsyncChannel(conn, LOG_TAG); int status = dcac.fullyConnectSync(mPhone.getContext(), this, conn.getHandler()); if (status == AsyncChannel.STATUS_SUCCESSFUL) { mDataConnectionAcHashMap.put(dcac.getDataConnectionIdSync(), dcac); } else { loge("createDataConnection: Could not connect to dcac=" + dcac + " status=" + status); } if (DBG) log("createDataConnection() X id=" + id + " dc=" + conn); return dcac; } private void destroyDataConnections() { if(mDataConnections != null) { if (DBG) log("destroyDataConnections: clear mDataConnectionList"); mDataConnections.clear(); } else { if (DBG) log("destroyDataConnections: mDataConnecitonList is empty, ignore"); } } /** * Build a list of APNs to be used to create PDP's. * * @param requestedApnType * @return waitingApns list to be used to create PDP * error when waitingApns.isEmpty() */ private ArrayList buildWaitingApns(String requestedApnType, int radioTech) { if (DBG) log("buildWaitingApns: E requestedApnType=" + requestedApnType); ArrayList apnList = new ArrayList(); if (requestedApnType.equals(PhoneConstants.APN_TYPE_DUN)) { ApnSetting dun = fetchDunApn(); if (dun != null) { apnList.add(dun); if (DBG) log("buildWaitingApns: X added APN_TYPE_DUN apnList=" + apnList); return apnList; } } IccRecords r = mIccRecords.get(); String operator = (r != null) ? r.getOperatorNumeric() : ""; // This is a workaround for a bug (7305641) where we don't failover to other // suitable APNs if our preferred APN fails. On prepaid ATT sims we need to // failover to a provisioning APN, but once we've used their default data // connection we are locked to it for life. This change allows ATT devices // to say they don't want to use preferred at all. boolean usePreferred = true; try { usePreferred = ! mPhone.getContext().getResources().getBoolean(com.android. internal.R.bool.config_dontPreferApn); } catch (Resources.NotFoundException e) { if (DBG) log("buildWaitingApns: usePreferred NotFoundException set to true"); usePreferred = true; } if (usePreferred) { mPreferredApn = getPreferredApn(); } if (DBG) { log("buildWaitingApns: usePreferred=" + usePreferred + " canSetPreferApn=" + mCanSetPreferApn + " mPreferredApn=" + mPreferredApn + " operator=" + operator + " radioTech=" + radioTech + " IccRecords r=" + r); } if (usePreferred && mCanSetPreferApn && mPreferredApn != null && mPreferredApn.canHandleType(requestedApnType)) { if (DBG) { log("buildWaitingApns: Preferred APN:" + operator + ":" + mPreferredApn.numeric + ":" + mPreferredApn); } if (mPreferredApn.numeric.equals(operator)) { if (ServiceState.bitmaskHasTech(mPreferredApn.bearerBitmask, radioTech)) { apnList.add(mPreferredApn); if (DBG) log("buildWaitingApns: X added preferred apnList=" + apnList); return apnList; } else { if (DBG) log("buildWaitingApns: no preferred APN"); setPreferredApn(-1); mPreferredApn = null; } } else { if (DBG) log("buildWaitingApns: no preferred APN"); setPreferredApn(-1); mPreferredApn = null; } } if (mAllApnSettings != null) { if (DBG) log("buildWaitingApns: mAllApnSettings=" + mAllApnSettings); for (ApnSetting apn : mAllApnSettings) { if (apn.canHandleType(requestedApnType)) { if (ServiceState.bitmaskHasTech(apn.bearerBitmask, radioTech)) { if (DBG) log("buildWaitingApns: adding apn=" + apn); apnList.add(apn); } else { if (DBG) { log("buildWaitingApns: bearerBitmask:" + apn.bearerBitmask + " does " + "not include radioTech:" + radioTech); } } } else if (DBG) { log("buildWaitingApns: couldn't handle requested ApnType=" + requestedApnType); } } } else { loge("mAllApnSettings is null!"); } if (DBG) log("buildWaitingApns: " + apnList.size() + " APNs in the list: " + apnList); return apnList; } private String apnListToString (ArrayList apns) { StringBuilder result = new StringBuilder(); for (int i = 0, size = apns.size(); i < size; i++) { result.append('[') .append(apns.get(i).toString()) .append(']'); } return result.toString(); } private void setPreferredApn(int pos) { if (!mCanSetPreferApn) { log("setPreferredApn: X !canSEtPreferApn"); return; } String subId = Long.toString(mPhone.getSubId()); Uri uri = Uri.withAppendedPath(PREFERAPN_NO_UPDATE_URI_USING_SUBID, subId); log("setPreferredApn: delete"); ContentResolver resolver = mPhone.getContext().getContentResolver(); resolver.delete(uri, null, null); if (pos >= 0) { log("setPreferredApn: insert"); ContentValues values = new ContentValues(); values.put(APN_ID, pos); resolver.insert(uri, values); } } private ApnSetting getPreferredApn() { if (mAllApnSettings == null || mAllApnSettings.isEmpty()) { log("getPreferredApn: mAllApnSettings is " + ((mAllApnSettings == null)?"null":"empty")); return null; } String subId = Long.toString(mPhone.getSubId()); Uri uri = Uri.withAppendedPath(PREFERAPN_NO_UPDATE_URI_USING_SUBID, subId); Cursor cursor = mPhone.getContext().getContentResolver().query( uri, new String[] { "_id", "name", "apn" }, null, null, Telephony.Carriers.DEFAULT_SORT_ORDER); if (cursor != null) { mCanSetPreferApn = true; } else { mCanSetPreferApn = false; } log("getPreferredApn: mRequestedApnType=" + mRequestedApnType + " cursor=" + cursor + " cursor.count=" + ((cursor != null) ? cursor.getCount() : 0)); if (mCanSetPreferApn && cursor.getCount() > 0) { int pos; cursor.moveToFirst(); pos = cursor.getInt(cursor.getColumnIndexOrThrow(Telephony.Carriers._ID)); for(ApnSetting p : mAllApnSettings) { log("getPreferredApn: apnSetting=" + p); if (p.id == pos && p.canHandleType(mRequestedApnType)) { log("getPreferredApn: X found apnSetting" + p); cursor.close(); return p; } } } if (cursor != null) { cursor.close(); } log("getPreferredApn: X not found"); return null; } @Override public void handleMessage (Message msg) { if (VDBG) log("handleMessage msg=" + msg); switch (msg.what) { case DctConstants.EVENT_RECORDS_LOADED: // If onRecordsLoadedOrSubIdChanged() is not called here, it should be called on // onSubscriptionsChanged() when a valid subId is available. int subId = mPhone.getSubId(); if (SubscriptionManager.isValidSubscriptionId(subId)) { onRecordsLoadedOrSubIdChanged(); } else { log("Ignoring EVENT_RECORDS_LOADED as subId is not valid: " + subId); } break; case DctConstants.EVENT_DATA_CONNECTION_DETACHED: onDataConnectionDetached(); break; case DctConstants.EVENT_DATA_CONNECTION_ATTACHED: onDataConnectionAttached(); break; case DctConstants.EVENT_DO_RECOVERY: doRecovery(); break; case DctConstants.EVENT_APN_CHANGED: onApnChanged(); break; case DctConstants.EVENT_PS_RESTRICT_ENABLED: /** * We don't need to explicitly to tear down the PDP context * when PS restricted is enabled. The base band will deactive * PDP context and notify us with PDP_CONTEXT_CHANGED. * But we should stop the network polling and prevent reset PDP. */ if (DBG) log("EVENT_PS_RESTRICT_ENABLED " + mIsPsRestricted); stopNetStatPoll(); stopDataStallAlarm(); mIsPsRestricted = true; break; case DctConstants.EVENT_PS_RESTRICT_DISABLED: /** * When PS restrict is removed, we need setup PDP connection if * PDP connection is down. */ if (DBG) log("EVENT_PS_RESTRICT_DISABLED " + mIsPsRestricted); mIsPsRestricted = false; if (isConnected()) { startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); } else { // TODO: Should all PDN states be checked to fail? if (mState == DctConstants.State.FAILED) { cleanUpAllConnections(false, Phone.REASON_PS_RESTRICT_ENABLED); mReregisterOnReconnectFailure = false; } ApnContext apnContext = mApnContextsById.get(DctConstants.APN_DEFAULT_ID); if (apnContext != null) { apnContext.setReason(Phone.REASON_PS_RESTRICT_ENABLED); trySetupData(apnContext); } else { loge("**** Default ApnContext not found ****"); if (Build.IS_DEBUGGABLE) { throw new RuntimeException("Default ApnContext not found"); } } } break; case DctConstants.EVENT_TRY_SETUP_DATA: if (msg.obj instanceof ApnContext) { onTrySetupData((ApnContext)msg.obj); } else if (msg.obj instanceof String) { onTrySetupData((String)msg.obj); } else { loge("EVENT_TRY_SETUP request w/o apnContext or String"); } break; case DctConstants.EVENT_CLEAN_UP_CONNECTION: boolean tearDown = (msg.arg1 == 0) ? false : true; if (DBG) log("EVENT_CLEAN_UP_CONNECTION tearDown=" + tearDown); if (msg.obj instanceof ApnContext) { cleanUpConnection(tearDown, (ApnContext)msg.obj); } else { onCleanUpConnection(tearDown, msg.arg2, (String) msg.obj); } break; case DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE: { final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; onSetInternalDataEnabled(enabled, (Message) msg.obj); break; } case DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS: if ((msg.obj != null) && (msg.obj instanceof String == false)) { msg.obj = null; } onCleanUpAllConnections((String) msg.obj); break; case DctConstants.EVENT_DATA_RAT_CHANGED: //May new Network allow setupData, so try it here setupDataOnConnectableApns(Phone.REASON_NW_TYPE_CHANGED, RetryFailures.ONLY_ON_CHANGE); break; case DctConstants.CMD_CLEAR_PROVISIONING_SPINNER: // Check message sender intended to clear the current spinner. if (mProvisioningSpinner == msg.obj) { mProvisioningSpinner.dismiss(); mProvisioningSpinner = null; } break; case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { log("DISCONNECTED_CONNECTED: msg=" + msg); DcAsyncChannel dcac = (DcAsyncChannel) msg.obj; mDataConnectionAcHashMap.remove(dcac.getDataConnectionIdSync()); dcac.disconnected(); break; } case DctConstants.EVENT_ENABLE_NEW_APN: onEnableApn(msg.arg1, msg.arg2); break; case DctConstants.EVENT_DATA_STALL_ALARM: onDataStallAlarm(msg.arg1); break; case DctConstants.EVENT_ROAMING_OFF: onRoamingOff(); break; case DctConstants.EVENT_ROAMING_ON: onRoamingOn(); break; case DctConstants.EVENT_DEVICE_PROVISIONED_CHANGE: onDeviceProvisionedChange(); break; case DctConstants.EVENT_REDIRECTION_DETECTED: String url = (String) msg.obj; log("dataConnectionTracker.handleMessage: EVENT_REDIRECTION_DETECTED=" + url); onDataConnectionRedirected(url); case DctConstants.EVENT_RADIO_AVAILABLE: onRadioAvailable(); break; case DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE: onRadioOffOrNotAvailable(); break; case DctConstants.EVENT_DATA_SETUP_COMPLETE: onDataSetupComplete((AsyncResult) msg.obj); break; case DctConstants.EVENT_DATA_SETUP_COMPLETE_ERROR: onDataSetupCompleteError((AsyncResult) msg.obj); break; case DctConstants.EVENT_DISCONNECT_DONE: log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DONE msg=" + msg); onDisconnectDone((AsyncResult) msg.obj); break; case DctConstants.EVENT_DISCONNECT_DC_RETRYING: log("DataConnectionTracker.handleMessage: EVENT_DISCONNECT_DC_RETRYING msg=" + msg); onDisconnectDcRetrying((AsyncResult) msg.obj); break; case DctConstants.EVENT_VOICE_CALL_STARTED: onVoiceCallStarted(); break; case DctConstants.EVENT_VOICE_CALL_ENDED: onVoiceCallEnded(); break; case DctConstants.EVENT_RESET_DONE: { if (DBG) log("EVENT_RESET_DONE"); onResetDone((AsyncResult) msg.obj); break; } case DctConstants.CMD_SET_USER_DATA_ENABLE: { final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; if (DBG) log("CMD_SET_USER_DATA_ENABLE enabled=" + enabled); onSetUserDataEnabled(enabled); break; } // TODO - remove case DctConstants.CMD_SET_DEPENDENCY_MET: { boolean met = (msg.arg1 == DctConstants.ENABLED) ? true : false; if (DBG) log("CMD_SET_DEPENDENCY_MET met=" + met); Bundle bundle = msg.getData(); if (bundle != null) { String apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); if (apnType != null) { onSetDependencyMet(apnType, met); } } break; } case DctConstants.CMD_SET_POLICY_DATA_ENABLE: { final boolean enabled = (msg.arg1 == DctConstants.ENABLED) ? true : false; onSetPolicyDataEnabled(enabled); break; } case DctConstants.CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: { sEnableFailFastRefCounter += (msg.arg1 == DctConstants.ENABLED) ? 1 : -1; if (DBG) { log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); } if (sEnableFailFastRefCounter < 0) { final String s = "CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: " + "sEnableFailFastRefCounter:" + sEnableFailFastRefCounter + " < 0"; loge(s); sEnableFailFastRefCounter = 0; } final boolean enabled = sEnableFailFastRefCounter > 0; if (DBG) { log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: enabled=" + enabled + " sEnableFailFastRefCounter=" + sEnableFailFastRefCounter); } if (mFailFast != enabled) { mFailFast = enabled; mDataStallDetectionEnabled = !enabled; if (mDataStallDetectionEnabled && (getOverallState() == DctConstants.State.CONNECTED) && (!mInVoiceCall || mPhone.getServiceStateTracker() .isConcurrentVoiceAndDataAllowed())) { if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: start data stall"); stopDataStallAlarm(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); } else { if (DBG) log("CMD_SET_ENABLE_FAIL_FAST_MOBILE_DATA: stop data stall"); stopDataStallAlarm(); } } break; } case DctConstants.CMD_ENABLE_MOBILE_PROVISIONING: { Bundle bundle = msg.getData(); if (bundle != null) { try { mProvisioningUrl = (String)bundle.get(DctConstants.PROVISIONING_URL_KEY); } catch(ClassCastException e) { loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url not a string" + e); mProvisioningUrl = null; } } if (TextUtils.isEmpty(mProvisioningUrl)) { loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioning url is empty, ignoring"); mIsProvisioning = false; mProvisioningUrl = null; } else { loge("CMD_ENABLE_MOBILE_PROVISIONING: provisioningUrl=" + mProvisioningUrl); mIsProvisioning = true; startProvisioningApnAlarm(); } break; } case DctConstants.EVENT_PROVISIONING_APN_ALARM: { if (DBG) log("EVENT_PROVISIONING_APN_ALARM"); ApnContext apnCtx = mApnContextsById.get(DctConstants.APN_DEFAULT_ID); if (apnCtx.isProvisioningApn() && apnCtx.isConnectedOrConnecting()) { if (mProvisioningApnAlarmTag == msg.arg1) { if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Disconnecting"); mIsProvisioning = false; mProvisioningUrl = null; stopProvisioningApnAlarm(); sendCleanUpConnection(true, apnCtx); } else { if (DBG) { log("EVENT_PROVISIONING_APN_ALARM: ignore stale tag," + " mProvisioningApnAlarmTag:" + mProvisioningApnAlarmTag + " != arg1:" + msg.arg1); } } } else { if (DBG) log("EVENT_PROVISIONING_APN_ALARM: Not connected ignore"); } break; } case DctConstants.CMD_IS_PROVISIONING_APN: { if (DBG) log("CMD_IS_PROVISIONING_APN"); boolean isProvApn; try { String apnType = null; Bundle bundle = msg.getData(); if (bundle != null) { apnType = (String)bundle.get(DctConstants.APN_TYPE_KEY); } if (TextUtils.isEmpty(apnType)) { loge("CMD_IS_PROVISIONING_APN: apnType is empty"); isProvApn = false; } else { isProvApn = isProvisioningApn(apnType); } } catch (ClassCastException e) { loge("CMD_IS_PROVISIONING_APN: NO provisioning url ignoring"); isProvApn = false; } if (DBG) log("CMD_IS_PROVISIONING_APN: ret=" + isProvApn); mReplyAc.replyToMessage(msg, DctConstants.CMD_IS_PROVISIONING_APN, isProvApn ? DctConstants.ENABLED : DctConstants.DISABLED); break; } case DctConstants.EVENT_ICC_CHANGED: { onUpdateIcc(); break; } case DctConstants.EVENT_RESTART_RADIO: { restartRadio(); break; } case DctConstants.CMD_NET_STAT_POLL: { if (msg.arg1 == DctConstants.ENABLED) { handleStartNetStatPoll((DctConstants.Activity)msg.obj); } else if (msg.arg1 == DctConstants.DISABLED) { handleStopNetStatPoll((DctConstants.Activity)msg.obj); } break; } case DctConstants.EVENT_DATA_STATE_CHANGED: { // no longer do anything, but still registered - clean up log // TODO - why are we still registering? break; } case DctConstants.EVENT_PCO_DATA_RECEIVED: { handlePcoData((AsyncResult)msg.obj); break; } case DctConstants.EVENT_SET_CARRIER_DATA_ENABLED: onSetCarrierDataEnabled(msg.arg1 == DctConstants.ENABLED); break; default: Rlog.e("DcTracker", "Unhandled event=" + msg); break; } } private int getApnProfileID(String apnType) { if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_IMS)) { return RILConstants.DATA_PROFILE_IMS; } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_FOTA)) { return RILConstants.DATA_PROFILE_FOTA; } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_CBS)) { return RILConstants.DATA_PROFILE_CBS; } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_IA)) { return RILConstants.DATA_PROFILE_DEFAULT; // DEFAULT for now } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_DUN)) { return RILConstants.DATA_PROFILE_TETHERED; } else { return RILConstants.DATA_PROFILE_DEFAULT; } } private int getCellLocationId() { int cid = -1; CellLocation loc = mPhone.getCellLocation(); if (loc != null) { if (loc instanceof GsmCellLocation) { cid = ((GsmCellLocation)loc).getCid(); } else if (loc instanceof CdmaCellLocation) { cid = ((CdmaCellLocation)loc).getBaseStationId(); } } return cid; } private IccRecords getUiccRecords(int appFamily) { return mUiccController.getIccRecords(mPhone.getPhoneId(), appFamily); } private void onUpdateIcc() { if (mUiccController == null ) { return; } IccRecords newIccRecords = getUiccRecords(UiccController.APP_FAM_3GPP); IccRecords r = mIccRecords.get(); if (r != newIccRecords) { if (r != null) { log("Removing stale icc objects."); r.unregisterForRecordsLoaded(this); mIccRecords.set(null); } if (newIccRecords != null) { if (SubscriptionManager.isValidSubscriptionId(mPhone.getSubId())) { log("New records found."); mIccRecords.set(newIccRecords); newIccRecords.registerForRecordsLoaded( this, DctConstants.EVENT_RECORDS_LOADED, null); // reset carrier actions on sim loaded final ServiceStateTracker sst = mPhone.getServiceStateTracker(); sst.setRadioPowerFromCarrier(true); mDataEnabledSettings.setCarrierDataEnabled(true); mPhone.getCarrierSignalAgent().reset(); } } else { onSimNotReady(); } } } public void update() { log("update sub = " + mPhone.getSubId()); log("update(): Active DDS, register for all events now!"); onUpdateIcc(); mDataEnabledSettings.setUserDataEnabled(getDataEnabled()); mAutoAttachOnCreation.set(false); ((GsmCdmaPhone)mPhone).updateCurrentCarrierInProvider(); } public void cleanUpAllConnections(String cause) { cleanUpAllConnections(cause, null); } public void updateRecords() { onUpdateIcc(); } public void cleanUpAllConnections(String cause, Message disconnectAllCompleteMsg) { log("cleanUpAllConnections"); if (disconnectAllCompleteMsg != null) { mDisconnectAllCompleteMsgList.add(disconnectAllCompleteMsg); } Message msg = obtainMessage(DctConstants.EVENT_CLEAN_UP_ALL_CONNECTIONS); msg.obj = cause; sendMessage(msg); } private void notifyDataDisconnectComplete() { log("notifyDataDisconnectComplete"); for (Message m: mDisconnectAllCompleteMsgList) { m.sendToTarget(); } mDisconnectAllCompleteMsgList.clear(); } private void notifyAllDataDisconnected() { sEnableFailFastRefCounter = 0; mFailFast = false; mAllDataDisconnectedRegistrants.notifyRegistrants(); } public void registerForAllDataDisconnected(Handler h, int what, Object obj) { mAllDataDisconnectedRegistrants.addUnique(h, what, obj); if (isDisconnected()) { log("notify All Data Disconnected"); notifyAllDataDisconnected(); } } public void unregisterForAllDataDisconnected(Handler h) { mAllDataDisconnectedRegistrants.remove(h); } public void registerForDataEnabledChanged(Handler h, int what, Object obj) { mDataEnabledSettings.registerForDataEnabledChanged(h, what, obj); } public void unregisterForDataEnabledChanged(Handler h) { mDataEnabledSettings.unregisterForDataEnabledChanged(h); } private void onSetInternalDataEnabled(boolean enabled, Message onCompleteMsg) { synchronized (mDataEnabledSettings) { if (DBG) log("onSetInternalDataEnabled: enabled=" + enabled); boolean sendOnComplete = true; mDataEnabledSettings.setInternalDataEnabled(enabled); if (enabled) { log("onSetInternalDataEnabled: changed to enabled, try to setup data call"); onTrySetupData(Phone.REASON_DATA_ENABLED); } else { sendOnComplete = false; log("onSetInternalDataEnabled: changed to disabled, cleanUpAllConnections"); cleanUpAllConnections(Phone.REASON_DATA_DISABLED, onCompleteMsg); } if (sendOnComplete) { if (onCompleteMsg != null) { onCompleteMsg.sendToTarget(); } } } } public boolean setInternalDataEnabled(boolean enable) { return setInternalDataEnabled(enable, null); } public boolean setInternalDataEnabled(boolean enable, Message onCompleteMsg) { if (DBG) log("setInternalDataEnabled(" + enable + ")"); Message msg = obtainMessage(DctConstants.EVENT_SET_INTERNAL_DATA_ENABLE, onCompleteMsg); msg.arg1 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED); sendMessage(msg); return true; } private void log(String s) { Rlog.d(LOG_TAG, "[" + mPhone.getPhoneId() + "]" + s); } private void loge(String s) { Rlog.e(LOG_TAG, "[" + mPhone.getPhoneId() + "]" + s); } public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { pw.println("DcTracker:"); pw.println(" RADIO_TESTS=" + RADIO_TESTS); pw.println(" isInternalDataEnabled=" + mDataEnabledSettings.isInternalDataEnabled()); pw.println(" isUserDataEnabled=" + mDataEnabledSettings.isUserDataEnabled()); pw.println(" isPolicyDataEnabled=" + mDataEnabledSettings.isPolicyDataEnabled()); pw.flush(); pw.println(" mRequestedApnType=" + mRequestedApnType); pw.println(" mPhone=" + mPhone.getPhoneName()); pw.println(" mActivity=" + mActivity); pw.println(" mState=" + mState); pw.println(" mTxPkts=" + mTxPkts); pw.println(" mRxPkts=" + mRxPkts); pw.println(" mNetStatPollPeriod=" + mNetStatPollPeriod); pw.println(" mNetStatPollEnabled=" + mNetStatPollEnabled); pw.println(" mDataStallTxRxSum=" + mDataStallTxRxSum); pw.println(" mDataStallAlarmTag=" + mDataStallAlarmTag); pw.println(" mDataStallDetectionEnabled=" + mDataStallDetectionEnabled); pw.println(" mSentSinceLastRecv=" + mSentSinceLastRecv); pw.println(" mNoRecvPollCount=" + mNoRecvPollCount); pw.println(" mResolver=" + mResolver); pw.println(" mIsWifiConnected=" + mIsWifiConnected); pw.println(" mReconnectIntent=" + mReconnectIntent); pw.println(" mAutoAttachOnCreation=" + mAutoAttachOnCreation.get()); pw.println(" mIsScreenOn=" + mIsScreenOn); pw.println(" mUniqueIdGenerator=" + mUniqueIdGenerator); pw.flush(); pw.println(" ***************************************"); DcController dcc = mDcc; if (dcc != null) { dcc.dump(fd, pw, args); } else { pw.println(" mDcc=null"); } pw.println(" ***************************************"); HashMap dcs = mDataConnections; if (dcs != null) { Set > mDcSet = mDataConnections.entrySet(); pw.println(" mDataConnections: count=" + mDcSet.size()); for (Entry entry : mDcSet) { pw.printf(" *** mDataConnection[%d] \n", entry.getKey()); entry.getValue().dump(fd, pw, args); } } else { pw.println("mDataConnections=null"); } pw.println(" ***************************************"); pw.flush(); HashMap apnToDcId = mApnToDataConnectionId; if (apnToDcId != null) { Set> apnToDcIdSet = apnToDcId.entrySet(); pw.println(" mApnToDataConnectonId size=" + apnToDcIdSet.size()); for (Entry entry : apnToDcIdSet) { pw.printf(" mApnToDataConnectonId[%s]=%d\n", entry.getKey(), entry.getValue()); } } else { pw.println("mApnToDataConnectionId=null"); } pw.println(" ***************************************"); pw.flush(); ConcurrentHashMap apnCtxs = mApnContexts; if (apnCtxs != null) { Set> apnCtxsSet = apnCtxs.entrySet(); pw.println(" mApnContexts size=" + apnCtxsSet.size()); for (Entry entry : apnCtxsSet) { entry.getValue().dump(fd, pw, args); } pw.println(" ***************************************"); } else { pw.println(" mApnContexts=null"); } pw.flush(); ArrayList apnSettings = mAllApnSettings; if (apnSettings != null) { pw.println(" mAllApnSettings size=" + apnSettings.size()); for (int i=0; i < apnSettings.size(); i++) { pw.printf(" mAllApnSettings[%d]: %s\n", i, apnSettings.get(i)); } pw.flush(); } else { pw.println(" mAllApnSettings=null"); } pw.println(" mPreferredApn=" + mPreferredApn); pw.println(" mIsPsRestricted=" + mIsPsRestricted); pw.println(" mIsDisposed=" + mIsDisposed); pw.println(" mIntentReceiver=" + mIntentReceiver); pw.println(" mReregisterOnReconnectFailure=" + mReregisterOnReconnectFailure); pw.println(" canSetPreferApn=" + mCanSetPreferApn); pw.println(" mApnObserver=" + mApnObserver); pw.println(" getOverallState=" + getOverallState()); pw.println(" mDataConnectionAsyncChannels=%s\n" + mDataConnectionAcHashMap); pw.println(" mAttached=" + mAttached.get()); pw.flush(); } public String[] getPcscfAddress(String apnType) { log("getPcscfAddress()"); ApnContext apnContext = null; if(apnType == null){ log("apnType is null, return null"); return null; } if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_EMERGENCY)) { apnContext = mApnContextsById.get(DctConstants.APN_EMERGENCY_ID); } else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_IMS)) { apnContext = mApnContextsById.get(DctConstants.APN_IMS_ID); } else { log("apnType is invalid, return null"); return null; } if (apnContext == null) { log("apnContext is null, return null"); return null; } DcAsyncChannel dcac = apnContext.getDcAc(); String[] result = null; if (dcac != null) { result = dcac.getPcscfAddr(); for (int i = 0; i < result.length; i++) { log("Pcscf[" + i + "]: " + result[i]); } return result; } return null; } /** * Read APN configuration from Telephony.db for Emergency APN * All opertors recognize the connection request for EPDN based on APN type * PLMN name,APN name are not mandatory parameters */ private void initEmergencyApnSetting() { // Operator Numeric is not available when sim records are not loaded. // Query Telephony.db with APN type as EPDN request does not // require APN name, plmn and all operators support same APN config. // DB will contain only one entry for Emergency APN String selection = "type=\"emergency\""; Cursor cursor = mPhone.getContext().getContentResolver().query( Telephony.Carriers.CONTENT_URI, null, selection, null, null); if (cursor != null) { if (cursor.getCount() > 0) { if (cursor.moveToFirst()) { mEmergencyApn = makeApnSetting(cursor); } } cursor.close(); } } /** * Add the Emergency APN settings to APN settings list */ private void addEmergencyApnSetting() { if(mEmergencyApn != null) { if(mAllApnSettings == null) { mAllApnSettings = new ArrayList(); } else { boolean hasEmergencyApn = false; for (ApnSetting apn : mAllApnSettings) { if (ArrayUtils.contains(apn.types, PhoneConstants.APN_TYPE_EMERGENCY)) { hasEmergencyApn = true; break; } } if(hasEmergencyApn == false) { mAllApnSettings.add(mEmergencyApn); } else { log("addEmergencyApnSetting - E-APN setting is already present"); } } } } private void cleanUpConnectionsOnUpdatedApns(boolean tearDown) { if (DBG) log("cleanUpConnectionsOnUpdatedApns: tearDown=" + tearDown); if (mAllApnSettings.isEmpty()) { cleanUpAllConnections(tearDown, Phone.REASON_APN_CHANGED); } else { for (ApnContext apnContext : mApnContexts.values()) { if (VDBG) log("cleanUpConnectionsOnUpdatedApns for "+ apnContext); boolean cleanUpApn = true; ArrayList currentWaitingApns = apnContext.getWaitingApns(); if ((currentWaitingApns != null) && (!apnContext.isDisconnected())) { int radioTech = mPhone.getServiceState().getRilDataRadioTechnology(); ArrayList waitingApns = buildWaitingApns( apnContext.getApnType(), radioTech); if (VDBG) log("new waitingApns:" + waitingApns); if (waitingApns.size() == currentWaitingApns.size()) { cleanUpApn = false; for (int i = 0; i < waitingApns.size(); i++) { if (!currentWaitingApns.get(i).equals(waitingApns.get(i))) { if (VDBG) log("new waiting apn is different at " + i); cleanUpApn = true; apnContext.setWaitingApns(waitingApns); break; } } } } if (cleanUpApn) { apnContext.setReason(Phone.REASON_APN_CHANGED); cleanUpConnection(true, apnContext); } } } if (!isConnected()) { stopNetStatPoll(); stopDataStallAlarm(); } mRequestedApnType = PhoneConstants.APN_TYPE_DEFAULT; if (DBG) log("mDisconnectPendingCount = " + mDisconnectPendingCount); if (tearDown && mDisconnectPendingCount == 0) { notifyDataDisconnectComplete(); notifyAllDataDisconnected(); } } /** * Polling stuff */ private void resetPollStats() { mTxPkts = -1; mRxPkts = -1; mNetStatPollPeriod = POLL_NETSTAT_MILLIS; } private void startNetStatPoll() { if (getOverallState() == DctConstants.State.CONNECTED && mNetStatPollEnabled == false) { if (DBG) { log("startNetStatPoll"); } resetPollStats(); mNetStatPollEnabled = true; mPollNetStat.run(); } if (mPhone != null) { mPhone.notifyDataActivity(); } } private void stopNetStatPoll() { mNetStatPollEnabled = false; removeCallbacks(mPollNetStat); if (DBG) { log("stopNetStatPoll"); } // To sync data activity icon in the case of switching data connection to send MMS. if (mPhone != null) { mPhone.notifyDataActivity(); } } public void sendStartNetStatPoll(DctConstants.Activity activity) { Message msg = obtainMessage(DctConstants.CMD_NET_STAT_POLL); msg.arg1 = DctConstants.ENABLED; msg.obj = activity; sendMessage(msg); } private void handleStartNetStatPoll(DctConstants.Activity activity) { startNetStatPoll(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); setActivity(activity); } public void sendStopNetStatPoll(DctConstants.Activity activity) { Message msg = obtainMessage(DctConstants.CMD_NET_STAT_POLL); msg.arg1 = DctConstants.DISABLED; msg.obj = activity; sendMessage(msg); } private void handleStopNetStatPoll(DctConstants.Activity activity) { stopNetStatPoll(); stopDataStallAlarm(); setActivity(activity); } private void updateDataActivity() { long sent, received; DctConstants.Activity newActivity; TxRxSum preTxRxSum = new TxRxSum(mTxPkts, mRxPkts); TxRxSum curTxRxSum = new TxRxSum(); curTxRxSum.updateTxRxSum(); mTxPkts = curTxRxSum.txPkts; mRxPkts = curTxRxSum.rxPkts; if (VDBG) { log("updateDataActivity: curTxRxSum=" + curTxRxSum + " preTxRxSum=" + preTxRxSum); } if (mNetStatPollEnabled && (preTxRxSum.txPkts > 0 || preTxRxSum.rxPkts > 0)) { sent = mTxPkts - preTxRxSum.txPkts; received = mRxPkts - preTxRxSum.rxPkts; if (VDBG) log("updateDataActivity: sent=" + sent + " received=" + received); if (sent > 0 && received > 0) { newActivity = DctConstants.Activity.DATAINANDOUT; } else if (sent > 0 && received == 0) { newActivity = DctConstants.Activity.DATAOUT; } else if (sent == 0 && received > 0) { newActivity = DctConstants.Activity.DATAIN; } else { newActivity = (mActivity == DctConstants.Activity.DORMANT) ? mActivity : DctConstants.Activity.NONE; } if (mActivity != newActivity && mIsScreenOn) { if (VDBG) log("updateDataActivity: newActivity=" + newActivity); mActivity = newActivity; mPhone.notifyDataActivity(); } } } private void handlePcoData(AsyncResult ar) { if (ar.exception != null) { Rlog.e(LOG_TAG, "PCO_DATA exception: " + ar.exception); return; } PcoData pcoData = (PcoData)(ar.result); ArrayList dcList = new ArrayList<>(); DataConnection temp = mDcc.getActiveDcByCid(pcoData.cid); if (temp != null) { dcList.add(temp); } if (dcList.size() == 0) { Rlog.e(LOG_TAG, "PCO_DATA for unknown cid: " + pcoData.cid + ", inferring"); for (DataConnection dc : mDataConnections.values()) { final int cid = dc.getCid(); if (cid == pcoData.cid) { if (VDBG) Rlog.d(LOG_TAG, " found " + dc); dcList.clear(); dcList.add(dc); break; } // check if this dc is still connecting if (cid == -1) { for (ApnContext apnContext : dc.mApnContexts.keySet()) { if (apnContext.getState() == DctConstants.State.CONNECTING) { if (VDBG) Rlog.d(LOG_TAG, " found potential " + dc); dcList.add(dc); break; } } } } } if (dcList.size() == 0) { Rlog.e(LOG_TAG, "PCO_DATA - couldn't infer cid"); return; } for (DataConnection dc : dcList) { if (dc.mApnContexts.size() == 0) { break; } // send one out for each apn type in play for (ApnContext apnContext : dc.mApnContexts.keySet()) { String apnType = apnContext.getApnType(); final Intent intent = new Intent(TelephonyIntents.ACTION_CARRIER_SIGNAL_PCO_VALUE); intent.putExtra(TelephonyIntents.EXTRA_APN_TYPE_KEY, apnType); intent.putExtra(TelephonyIntents.EXTRA_APN_PROTO_KEY, pcoData.bearerProto); intent.putExtra(TelephonyIntents.EXTRA_PCO_ID_KEY, pcoData.pcoId); intent.putExtra(TelephonyIntents.EXTRA_PCO_VALUE_KEY, pcoData.contents); mPhone.getCarrierSignalAgent().notifyCarrierSignalReceivers(intent); } } } /** * Data-Stall */ // Recovery action taken in case of data stall private static class RecoveryAction { public static final int GET_DATA_CALL_LIST = 0; public static final int CLEANUP = 1; public static final int REREGISTER = 2; public static final int RADIO_RESTART = 3; public static final int RADIO_RESTART_WITH_PROP = 4; private static boolean isAggressiveRecovery(int value) { return ((value == RecoveryAction.CLEANUP) || (value == RecoveryAction.REREGISTER) || (value == RecoveryAction.RADIO_RESTART) || (value == RecoveryAction.RADIO_RESTART_WITH_PROP)); } } private int getRecoveryAction() { int action = Settings.System.getInt(mResolver, "radio.data.stall.recovery.action", RecoveryAction.GET_DATA_CALL_LIST); if (VDBG_STALL) log("getRecoveryAction: " + action); return action; } private void putRecoveryAction(int action) { Settings.System.putInt(mResolver, "radio.data.stall.recovery.action", action); if (VDBG_STALL) log("putRecoveryAction: " + action); } private void doRecovery() { if (getOverallState() == DctConstants.State.CONNECTED) { // Go through a series of recovery steps, each action transitions to the next action final int recoveryAction = getRecoveryAction(); TelephonyMetrics.getInstance().writeDataStallEvent(mPhone.getPhoneId(), recoveryAction); switch (recoveryAction) { case RecoveryAction.GET_DATA_CALL_LIST: EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_GET_DATA_CALL_LIST, mSentSinceLastRecv); if (DBG) log("doRecovery() get data call list"); mPhone.mCi.getDataCallList(obtainMessage(DctConstants.EVENT_DATA_STATE_CHANGED)); putRecoveryAction(RecoveryAction.CLEANUP); break; case RecoveryAction.CLEANUP: EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_CLEANUP, mSentSinceLastRecv); if (DBG) log("doRecovery() cleanup all connections"); cleanUpAllConnections(Phone.REASON_PDP_RESET); putRecoveryAction(RecoveryAction.REREGISTER); break; case RecoveryAction.REREGISTER: EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_REREGISTER, mSentSinceLastRecv); if (DBG) log("doRecovery() re-register"); mPhone.getServiceStateTracker().reRegisterNetwork(null); putRecoveryAction(RecoveryAction.RADIO_RESTART); break; case RecoveryAction.RADIO_RESTART: EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART, mSentSinceLastRecv); if (DBG) log("restarting radio"); putRecoveryAction(RecoveryAction.RADIO_RESTART_WITH_PROP); restartRadio(); break; case RecoveryAction.RADIO_RESTART_WITH_PROP: // This is in case radio restart has not recovered the data. // It will set an additional "gsm.radioreset" property to tell // RIL or system to take further action. // The implementation of hard reset recovery action is up to OEM product. // Once RADIO_RESET property is consumed, it is expected to set back // to false by RIL. EventLog.writeEvent(EventLogTags.DATA_STALL_RECOVERY_RADIO_RESTART_WITH_PROP, -1); if (DBG) log("restarting radio with gsm.radioreset to true"); SystemProperties.set(RADIO_RESET_PROPERTY, "true"); // give 1 sec so property change can be notified. try { Thread.sleep(1000); } catch (InterruptedException e) {} restartRadio(); putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); break; default: throw new RuntimeException("doRecovery: Invalid recoveryAction=" + recoveryAction); } mSentSinceLastRecv = 0; } } private void updateDataStallInfo() { long sent, received; TxRxSum preTxRxSum = new TxRxSum(mDataStallTxRxSum); mDataStallTxRxSum.updateTxRxSum(); if (VDBG_STALL) { log("updateDataStallInfo: mDataStallTxRxSum=" + mDataStallTxRxSum + " preTxRxSum=" + preTxRxSum); } sent = mDataStallTxRxSum.txPkts - preTxRxSum.txPkts; received = mDataStallTxRxSum.rxPkts - preTxRxSum.rxPkts; if (RADIO_TESTS) { if (SystemProperties.getBoolean("radio.test.data.stall", false)) { log("updateDataStallInfo: radio.test.data.stall true received = 0;"); received = 0; } } if ( sent > 0 && received > 0 ) { if (VDBG_STALL) log("updateDataStallInfo: IN/OUT"); mSentSinceLastRecv = 0; putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); } else if (sent > 0 && received == 0) { if (mPhone.getState() == PhoneConstants.State.IDLE) { mSentSinceLastRecv += sent; } else { mSentSinceLastRecv = 0; } if (DBG) { log("updateDataStallInfo: OUT sent=" + sent + " mSentSinceLastRecv=" + mSentSinceLastRecv); } } else if (sent == 0 && received > 0) { if (VDBG_STALL) log("updateDataStallInfo: IN"); mSentSinceLastRecv = 0; putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST); } else { if (VDBG_STALL) log("updateDataStallInfo: NONE"); } } private void onDataStallAlarm(int tag) { if (mDataStallAlarmTag != tag) { if (DBG) { log("onDataStallAlarm: ignore, tag=" + tag + " expecting " + mDataStallAlarmTag); } return; } updateDataStallInfo(); int hangWatchdogTrigger = Settings.Global.getInt(mResolver, Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT, NUMBER_SENT_PACKETS_OF_HANG); boolean suspectedStall = DATA_STALL_NOT_SUSPECTED; if (mSentSinceLastRecv >= hangWatchdogTrigger) { if (DBG) { log("onDataStallAlarm: tag=" + tag + " do recovery action=" + getRecoveryAction()); } suspectedStall = DATA_STALL_SUSPECTED; sendMessage(obtainMessage(DctConstants.EVENT_DO_RECOVERY)); } else { if (VDBG_STALL) { log("onDataStallAlarm: tag=" + tag + " Sent " + String.valueOf(mSentSinceLastRecv) + " pkts since last received, < watchdogTrigger=" + hangWatchdogTrigger); } } startDataStallAlarm(suspectedStall); } private void startDataStallAlarm(boolean suspectedStall) { int nextAction = getRecoveryAction(); int delayInMs; if (mDataStallDetectionEnabled && getOverallState() == DctConstants.State.CONNECTED) { // If screen is on or data stall is currently suspected, set the alarm // with an aggressive timeout. if (mIsScreenOn || suspectedStall || RecoveryAction.isAggressiveRecovery(nextAction)) { delayInMs = Settings.Global.getInt(mResolver, Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS, DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT); } else { delayInMs = Settings.Global.getInt(mResolver, Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS, DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT); } mDataStallAlarmTag += 1; if (VDBG_STALL) { log("startDataStallAlarm: tag=" + mDataStallAlarmTag + " delay=" + (delayInMs / 1000) + "s"); } Intent intent = new Intent(INTENT_DATA_STALL_ALARM); intent.putExtra(DATA_STALL_ALARM_TAG_EXTRA, mDataStallAlarmTag); mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delayInMs, mDataStallAlarmIntent); } else { if (VDBG_STALL) { log("startDataStallAlarm: NOT started, no connection tag=" + mDataStallAlarmTag); } } } private void stopDataStallAlarm() { if (VDBG_STALL) { log("stopDataStallAlarm: current tag=" + mDataStallAlarmTag + " mDataStallAlarmIntent=" + mDataStallAlarmIntent); } mDataStallAlarmTag += 1; if (mDataStallAlarmIntent != null) { mAlarmManager.cancel(mDataStallAlarmIntent); mDataStallAlarmIntent = null; } } private void restartDataStallAlarm() { if (isConnected() == false) return; // To be called on screen status change. // Do not cancel the alarm if it is set with aggressive timeout. int nextAction = getRecoveryAction(); if (RecoveryAction.isAggressiveRecovery(nextAction)) { if (DBG) log("restartDataStallAlarm: action is pending. not resetting the alarm."); return; } if (VDBG_STALL) log("restartDataStallAlarm: stop then start."); stopDataStallAlarm(); startDataStallAlarm(DATA_STALL_NOT_SUSPECTED); } /** * Provisioning APN */ private void onActionIntentProvisioningApnAlarm(Intent intent) { if (DBG) log("onActionIntentProvisioningApnAlarm: action=" + intent.getAction()); Message msg = obtainMessage(DctConstants.EVENT_PROVISIONING_APN_ALARM, intent.getAction()); msg.arg1 = intent.getIntExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, 0); sendMessage(msg); } private void startProvisioningApnAlarm() { int delayInMs = Settings.Global.getInt(mResolver, Settings.Global.PROVISIONING_APN_ALARM_DELAY_IN_MS, PROVISIONING_APN_ALARM_DELAY_IN_MS_DEFAULT); if (Build.IS_DEBUGGABLE) { // Allow debug code to use a system property to provide another value String delayInMsStrg = Integer.toString(delayInMs); delayInMsStrg = System.getProperty(DEBUG_PROV_APN_ALARM, delayInMsStrg); try { delayInMs = Integer.parseInt(delayInMsStrg); } catch (NumberFormatException e) { loge("startProvisioningApnAlarm: e=" + e); } } mProvisioningApnAlarmTag += 1; if (DBG) { log("startProvisioningApnAlarm: tag=" + mProvisioningApnAlarmTag + " delay=" + (delayInMs / 1000) + "s"); } Intent intent = new Intent(INTENT_PROVISIONING_APN_ALARM); intent.putExtra(PROVISIONING_APN_ALARM_TAG_EXTRA, mProvisioningApnAlarmTag); mProvisioningApnAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delayInMs, mProvisioningApnAlarmIntent); } private void stopProvisioningApnAlarm() { if (DBG) { log("stopProvisioningApnAlarm: current tag=" + mProvisioningApnAlarmTag + " mProvsioningApnAlarmIntent=" + mProvisioningApnAlarmIntent); } mProvisioningApnAlarmTag += 1; if (mProvisioningApnAlarmIntent != null) { mAlarmManager.cancel(mProvisioningApnAlarmIntent); mProvisioningApnAlarmIntent = null; } } }