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android / platform / frameworks / opt / telephony / 97f6c050e83328519b89c242d3cf735a74cd6363 / . / src / java / com / android / internal / telephony / dataconnection / DcTracker.java
blob: f7a31315e1f54f9f8fbb6309d7f72da5a3836b85 [file] [log] [blame]
/*
* 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 static android.Manifest.permission.READ_PHONE_STATE;
import static com.android.internal.telephony.RILConstants.DATA_PROFILE_DEFAULT;
import static com.android.internal.telephony.RILConstants.DATA_PROFILE_INVALID;
import android.annotation.NonNull;
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.NetworkRequest;
import android.net.ProxyInfo;
import android.net.TrafficStats;
import android.net.Uri;
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.PersistableBundle;
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.AccessNetworkConstants.TransportType;
import android.telephony.CarrierConfigManager;
import android.telephony.CellLocation;
import android.telephony.DataFailCause;
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.data.ApnSetting;
import android.telephony.data.DataProfile;
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.annotations.VisibleForTesting;
import com.android.internal.telephony.CarrierActionAgent;
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.PhoneFactory;
import com.android.internal.telephony.RILConstants;
import com.android.internal.telephony.SettingsObserver;
import com.android.internal.telephony.TelephonyIntents;
import com.android.internal.telephony.dataconnection.DataConnectionReasons.DataAllowedReasonType;
import com.android.internal.telephony.dataconnection.DataConnectionReasons.DataDisallowedReasonType;
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.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map.Entry;
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 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;
private final String mLogTag;
public AtomicBoolean isCleanupRequired = new AtomicBoolean(false);
private final TelephonyManager mTelephonyManager;
private final AlarmManager mAlarmManager;
/* Currently requested APN type (TODO: This should probably be a parameter not a member) */
private int mRequestedApnType = ApnSetting.TYPE_DEFAULT;
// All data enabling/disabling related settings
private final DataEnabledSettings mDataEnabledSettings;
/**
* 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;
private static final boolean DATA_STALL_SUSPECTED = true;
private static final boolean DATA_STALL_NOT_SUSPECTED = false;
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_RECONNECT_ALARM_EXTRA_TRANSPORT_TYPE =
"reconnect_alarm_extra_transport_type";
private static final String INTENT_DATA_STALL_ALARM =
"com.android.internal.telephony.data-stall";
// Tag for tracking stale alarms
private static final String INTENT_DATA_STALL_ALARM_EXTRA_TAG = "data_stall_alarm_extra_tag";
private static final String INTENT_DATA_STALL_ALARM_EXTRA_TRANSPORT_TYPE =
"data_stall_alarm_extra_transport_type";
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 PriorityQueue<ApnContext>mPrioritySortedApnContexts =
new PriorityQueue<ApnContext>(5,
new Comparator<ApnContext>() {
public int compare(ApnContext c1, ApnContext c2) {
return c2.priority - c1.priority;
}
} );
/** all APN settings applicable to the current carrier */
private ArrayList<ApnSetting> mAllApnSettings = new ArrayList<>();
/** 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 LocalLog mDataRoamingLeakageLog = new LocalLog(50);
private final LocalLog mApnSettingsInitializationLog = new LocalLog(50);
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)) {
// TODO: Evaluate hooking this up with DeviceStateMonitor
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)) {
onActionIntentReconnectAlarm(intent);
} else if (action.equals(INTENT_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(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) {
if (mIccRecords.get() != null && mIccRecords.get().getRecordsLoaded()) {
setDefaultDataRoamingEnabled();
}
} 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 DctOnSubscriptionsChangedListener
mOnSubscriptionsChangedListener = new DctOnSubscriptionsChangedListener();
private class DctOnSubscriptionsChangedListener extends 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 (SubscriptionManager.isValidSubscriptionId(subId) &&
mPreviousSubId.getAndSet(subId) != subId) {
onRecordsLoadedOrSubIdChanged();
}
}
};
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_SETTING_CHANGE);
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_PROVISIONING_DATA_SETTING_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 + "}";
}
/**
* Get Tcp Tx/Rx packet count from TrafficStats
*/
public void updateTcpTxRxSum() {
this.txPkts = TrafficStats.getMobileTcpTxPackets();
this.rxPkts = TrafficStats.getMobileTcpRxPackets();
}
/**
* Get total Tx/Rx packet count from TrafficStats
*/
public void updateTotalTxRxSum() {
this.txPkts = TrafficStats.getMobileTxPackets();
this.rxPkts = TrafficStats.getMobileRxPackets();
}
}
private void onActionIntentReconnectAlarm(Intent intent) {
Message msg = obtainMessage(DctConstants.EVENT_DATA_RECONNECT);
msg.setData(intent.getExtras());
sendMessage(msg);
}
private void onDataReconnect(Bundle bundle) {
String reason = bundle.getString(INTENT_RECONNECT_ALARM_EXTRA_REASON);
String apnType = bundle.getString(INTENT_RECONNECT_ALARM_EXTRA_TYPE);
int phoneSubId = mPhone.getSubId();
int currSubId = bundle.getInt(PhoneConstants.SUBSCRIPTION_KEY,
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
// 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)) {
return;
}
int transportType = bundle.getInt(INTENT_RECONNECT_ALARM_EXTRA_TRANSPORT_TYPE, 0);
if (transportType != mTransportType) {
return;
}
ApnContext apnContext = mApnContexts.get(apnType);
if (DBG) {
log("onDataReconnect: mState=" + mState + " reason=" + reason + " apnType=" + apnType
+ " apnContext=" + apnContext);
}
if ((apnContext != null) && (apnContext.isEnabled())) {
apnContext.setReason(reason);
DctConstants.State apnContextState = apnContext.getState();
if (DBG) {
log("onDataReconnect: apnContext state=" + apnContextState);
}
if ((apnContextState == DctConstants.State.FAILED)
|| (apnContextState == DctConstants.State.IDLE)) {
if (DBG) {
log("onDataReconnect: state is FAILED|IDLE, disassociate");
}
DataConnection dataConnection = apnContext.getDataConnection();
if (dataConnection != null) {
if (DBG) {
log("onDataReconnect: tearDown apnContext=" + apnContext);
}
dataConnection.tearDown(apnContext, "", null);
}
apnContext.setDataConnection(null);
apnContext.setState(DctConstants.State.IDLE);
} else {
if (DBG) log("onDataReconnect: 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());
int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY,
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
if (!SubscriptionManager.isValidSubscriptionId(subId) || (subId != mPhone.getSubId())) {
return;
}
int transportType = intent.getIntExtra(INTENT_DATA_STALL_ALARM_EXTRA_TRANSPORT_TYPE, 0);
if (transportType != mTransportType) {
return;
}
Message msg = obtainMessage(DctConstants.EVENT_DATA_STALL_ALARM,
intent.getAction());
msg.arg1 = intent.getIntExtra(INTENT_DATA_STALL_ALARM_EXTRA_TAG, 0);
sendMessage(msg);
}
/**
* List of messages that are waiting to be posted, when data call disconnect
* is complete
*/
private ArrayList<Message> mDisconnectAllCompleteMsgList = new ArrayList<Message>();
private RegistrantList mAllDataDisconnectedRegistrants = new RegistrantList();
// member variables
private final Phone mPhone;
private final UiccController mUiccController;
private final AtomicReference<IccRecords> mIccRecords = new AtomicReference<IccRecords>();
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;
/** 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<Integer, DataConnection> mDataConnections =
new HashMap<Integer, DataConnection>();
/** Convert an ApnType string to Id (TODO: Use "enumeration" instead of String for ApnType) */
private HashMap<String, Integer> mApnToDataConnectionId = new HashMap<String, Integer>();
/** Phone.APN_TYPE_* ===> ApnContext */
private final ConcurrentHashMap<String, ApnContext> mApnContexts =
new ConcurrentHashMap<String, ApnContext>();
private final SparseArray<ApnContext> mApnContextsByType = new SparseArray<ApnContext>();
private int mDisconnectPendingCount = 0;
private ArrayList<DataProfile> mLastDataProfileList = new ArrayList<>();
/**
* 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;
private final DataServiceManager mDataServiceManager;
private final int mTransportType;
//***** Constructor
public DcTracker(Phone phone, int transportType) {
super();
mPhone = phone;
if (DBG) log("DCT.constructor");
mTelephonyManager = TelephonyManager.from(phone.getContext())
.createForSubscriptionId(phone.getSubId());
// The 'C' in tag indicates cellular, and 'I' indicates IWLAN. This is to distinguish
// between two DcTrackers, one for each.
String tag = "DCT-" + ((transportType == TransportType.WWAN) ? "C" : "I");
if (mTelephonyManager.getPhoneCount() > 1) {
tag += "-" + mPhone.getPhoneId();
}
mLogTag = tag;
mTransportType = transportType;
mDataServiceManager = new DataServiceManager(phone, transportType);
mResolver = mPhone.getContext().getContentResolver();
mUiccController = UiccController.getInstance();
mUiccController.registerForIccChanged(this, DctConstants.EVENT_ICC_CHANGED, null);
mAlarmManager =
(AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE);
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_SCREEN_ON);
filter.addAction(Intent.ACTION_SCREEN_OFF);
filter.addAction(INTENT_DATA_STALL_ALARM);
filter.addAction(INTENT_PROVISIONING_APN_ALARM);
filter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
mDataEnabledSettings = new DataEnabledSettings(phone);
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, mDataServiceManager, 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);
}
initEmergencyApnSetting();
mProvisionActionName = "com.android.internal.telephony.PROVISION" + phone.getPhoneId();
mSettingsObserver = new SettingsObserver(mPhone.getContext(), this);
registerSettingsObserver();
}
@VisibleForTesting
public DcTracker() {
mLogTag = "DCT";
mTelephonyManager = null;
mAlarmManager = null;
mPhone = null;
mUiccController = null;
mDataConnectionTracker = null;
mProvisionActionName = null;
mSettingsObserver = new SettingsObserver(null, this);
mDataEnabledSettings = null;
mTransportType = 0;
mDataServiceManager = null;
}
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, true);
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() {
if (mTransportType == TransportType.WWAN) {
mPhone.mCi.registerForAvailable(this, DctConstants.EVENT_RADIO_AVAILABLE, null);
mPhone.mCi.registerForOffOrNotAvailable(this,
DctConstants.EVENT_RADIO_OFF_OR_NOT_AVAILABLE, null);
mPhone.mCi.registerForPcoData(this, DctConstants.EVENT_PCO_DATA_RECEIVED, 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();
mPhone.getCarrierActionAgent().registerForCarrierAction(
CarrierActionAgent.CARRIER_ACTION_SET_METERED_APNS_ENABLED, this,
DctConstants.EVENT_SET_CARRIER_DATA_ENABLED, null, false);
mDataServiceManager.registerForServiceBindingChanged(this,
DctConstants.EVENT_DATA_SERVICE_BINDING_CHANGED, 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);
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();
mApnContextsByType.clear();
mPrioritySortedApnContexts.clear();
unregisterForAllEvents();
destroyDataConnections();
}
private void unregisterForAllEvents() {
//Unregister for all events
if (mTransportType == TransportType.WWAN) {
mPhone.mCi.unregisterForAvailable(this);
mPhone.mCi.unregisterForOffOrNotAvailable(this);
mPhone.mCi.unregisterForPcoData(this);
}
IccRecords r = mIccRecords.get();
if (r != null) {
r.unregisterForRecordsLoaded(this);
mIccRecords.set(null);
}
mPhone.getCallTracker().unregisterForVoiceCallEnded(this);
mPhone.getCallTracker().unregisterForVoiceCallStarted(this);
unregisterServiceStateTrackerEvents();
mPhone.getCarrierActionAgent().unregisterForCarrierAction(this,
CarrierActionAgent.CARRIER_ACTION_SET_METERED_APNS_ENABLED);
mDataServiceManager.unregisterForServiceBindingChanged(this);
}
/**
* Modify {@link android.provider.Settings.Global#MOBILE_DATA} value.
*/
public void setUserDataEnabled(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) {
if (mDataEnabledSettings.isUserDataEnabled() != enabled) {
mDataEnabledSettings.setUserDataEnabled(enabled);
if (!getDataRoamingEnabled() && mPhone.getServiceState().getDataRoaming()) {
if (enabled) {
notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON);
} else {
notifyOffApnsOfAvailability(Phone.REASON_DATA_DISABLED);
}
}
mPhone.notifyUserMobileDataStateChanged(enabled);
// TODO: We should register for DataEnabledSetting's data enabled/disabled event and
// handle the rest from there.
if (enabled) {
reevaluateDataConnections();
onTrySetupData(Phone.REASON_DATA_ENABLED);
} else {
onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED);
}
}
}
/**
* Reevaluate existing data connections when conditions change.
*
* For example, handle reverting restricted networks back to unrestricted. If we're changing
* user data to enabled and this makes data truly enabled (not disabled by other factors) we
* need to reevaluate and possibly add NET_CAPABILITY_NOT_RESTRICTED capability to the data
* connection. This allows non-privilege apps to use the network.
*
* Or when we brought up a unmetered data connection while data is off, we only limit this
* data connection for unmetered use only. When data is turned back on, we need to tear that
* down so a full capable data connection can be re-established.
*/
private void reevaluateDataConnections() {
for (DataConnection dataConnection : mDataConnections.values()) {
dataConnection.reevaluateRestrictedState();
}
}
private void onDeviceProvisionedChange() {
mDataEnabledSettings.updateProvisionedChanged();
// TODO: We should register for DataEnabledSetting's data enabled/disabled event and
// handle the rest from there.
if (isDataEnabled()) {
reevaluateDataConnections();
onTrySetupData(Phone.REASON_DATA_ENABLED);
} else {
onCleanUpAllConnections(Phone.REASON_DATA_SPECIFIC_DISABLED);
}
}
private void onDeviceProvisioningDataChange() {
mDataEnabledSettings.updateProvisioningDataEnabled();
// TODO: We should register for DataEnabledSetting's data enabled/disabled event and
// handle the rest from there.
if (isDataEnabled()) {
reevaluateDataConnections();
onTrySetupData(Phone.REASON_DATA_ENABLED);
} else {
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 apnType = ApnContext.getApnTypeFromNetworkRequest(networkRequest);
final ApnContext apnContext = mApnContextsByType.get(apnType);
log.log("DcTracker.requestNetwork for " + networkRequest + " found " + apnContext);
if (apnContext != null) apnContext.requestNetwork(networkRequest, log);
}
public void releaseNetwork(NetworkRequest networkRequest, LocalLog log) {
final int apnType = ApnContext.getApnTypeFromNetworkRequest(networkRequest);
final ApnContext apnContext = mApnContextsByType.get(apnType);
log.log("DcTracker.releaseNetwork for " + networkRequest + " found " + apnContext);
if (apnContext != null) apnContext.releaseNetwork(networkRequest, log);
}
// 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.
log("onReceive : ProvisionNotificationBroadcastReceiver");
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();
}
}
@Override
protected void finalize() {
if(DBG && mPhone != null) log("finalize");
}
private ApnContext addApnContext(String type, NetworkConfig networkConfig) {
ApnContext apnContext = new ApnContext(mPhone, type, mLogTag, networkConfig, this);
mApnContexts.put(type, apnContext);
mApnContextsByType.put(ApnSetting.getApnTypesBitmaskFromString(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) {
DataConnection dataConnection = apnContext.getDataConnection();
if (dataConnection != null) {
if (DBG) log("return link properties for " + apnType);
return dataConnection.getLinkProperties();
}
}
if (DBG) log("return new LinkProperties");
return new LinkProperties();
}
public NetworkCapabilities getNetworkCapabilities(String apnType) {
ApnContext apnContext = mApnContexts.get(apnType);
if (apnContext!=null) {
DataConnection dataConnection = apnContext.getDataConnection();
if (dataConnection != null) {
if (DBG) {
log("get active pdp is not null, return NetworkCapabilities for " + apnType);
}
return dataConnection.getNetworkCapabilities();
}
}
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<String> result = new ArrayList<String>();
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.getApnName();
}
}
return null;
}
/**
* Returns {@link DctConstants.State} based on the state of the {@link DataConnection} that
* contains a {@link ApnSetting} that supported the given apn type {@code anpType}.
*
* <p>
* Assumes there is less than one {@link ApnSetting} can support the given apn type.
*/
public DctConstants.State getState(String apnType) {
final int apnTypeBitmask = ApnSetting.getApnTypesBitmaskFromString(apnType);
for (DataConnection dc : mDataConnections.values()) {
ApnSetting apnSetting = dc.getApnSetting();
if (apnSetting != null && apnSetting.canHandleType(apnTypeBitmask)) {
if (dc.isActive()) {
return DctConstants.State.CONNECTED;
} else if (dc.isActivating()) {
return DctConstants.State.CONNECTING;
} else if (dc.isInactive()) {
return DctConstants.State.IDLE;
} else if (dc.isDisconnecting()) {
return DctConstants.State.DISCONNECTING;
}
}
}
return DctConstants.State.IDLE;
}
// 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;
}
}
/**
* Whether data is enabled. This does not only check isUserDataEnabled(), but also
* others like CarrierDataEnabled and internalDataEnabled.
*/
@VisibleForTesting
public boolean isDataEnabled() {
return mDataEnabledSettings.isDataEnabled();
}
//****** 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);
}
/**
* Check if it is allowed to make a data connection (without checking APN context specific
* conditions).
*
* @param dataConnectionReasons Data connection allowed or disallowed reasons as the output
* param. It's okay to pass null here and no reasons will be
* provided.
* @return True if data connection is allowed, otherwise false.
*/
public boolean isDataAllowed(DataConnectionReasons dataConnectionReasons) {
return isDataAllowed(null, dataConnectionReasons);
}
/**
* Check if it is allowed to make a data connection for a given APN type.
*
* @param apnContext APN context. If passing null, then will only check general but not APN
* specific conditions (e.g. APN state, metered/unmetered APN).
* @param dataConnectionReasons Data connection allowed or disallowed reasons as the output
* param. It's okay to pass null here and no reasons will be
* provided.
* @return True if data connection is allowed, otherwise false.
*/
public boolean isDataAllowed(ApnContext apnContext,
DataConnectionReasons dataConnectionReasons) {
// Step 1: Get all environment conditions.
// Step 2: Special handling for emergency APN.
// Step 3. Build disallowed reasons.
// Step 4: Determine if data should be allowed in some special conditions.
DataConnectionReasons reasons = new DataConnectionReasons();
// Step 1: Get all environment conditions.
final boolean internalDataEnabled = mDataEnabledSettings.isInternalDataEnabled();
boolean attachedState = mAttached.get();
boolean desiredPowerState = mPhone.getServiceStateTracker().getDesiredPowerState();
boolean radioStateFromCarrier = mPhone.getServiceStateTracker().getPowerStateFromCarrier();
// TODO: Remove this hack added by ag/641832.
int radioTech = mPhone.getServiceState().getRilDataRadioTechnology();
if (radioTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN) {
desiredPowerState = true;
radioStateFromCarrier = true;
}
boolean recordsLoaded = mIccRecords.get() != null && mIccRecords.get().getRecordsLoaded();
boolean defaultDataSelected = SubscriptionManager.isValidSubscriptionId(
SubscriptionManager.getDefaultDataSubscriptionId());
boolean isMeteredApnType = apnContext == null
|| ApnSettingUtils.isMeteredApnType(apnContext.getApnType(), mPhone);
PhoneConstants.State phoneState = 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) {
phoneState = mPhone.getCallTracker().getState();
}
// Step 2: Special handling for emergency APN.
if (apnContext != null
&& apnContext.getApnType().equals(PhoneConstants.APN_TYPE_EMERGENCY)
&& apnContext.isConnectable()) {
// If this is an emergency APN, as long as the APN is connectable, we
// should allow it.
if (dataConnectionReasons != null) {
dataConnectionReasons.add(DataAllowedReasonType.EMERGENCY_APN);
}
// Bail out without further checks.
return true;
}
// Step 3. Build disallowed reasons.
if (apnContext != null && !apnContext.isConnectable()) {
reasons.add(DataDisallowedReasonType.APN_NOT_CONNECTABLE);
}
// If RAT is IWLAN then don't allow default/IA PDP at all.
// Rest of APN types can be evaluated for remaining conditions.
if ((apnContext != null && (apnContext.getApnType().equals(PhoneConstants.APN_TYPE_DEFAULT)
|| apnContext.getApnType().equals(PhoneConstants.APN_TYPE_IA)))
&& (radioTech == ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN)) {
reasons.add(DataDisallowedReasonType.ON_IWLAN);
}
if (isEmergency()) {
reasons.add(DataDisallowedReasonType.IN_ECBM);
}
if (!(attachedState || mAutoAttachOnCreation.get())) {
reasons.add(DataDisallowedReasonType.NOT_ATTACHED);
}
if (!recordsLoaded) {
reasons.add(DataDisallowedReasonType.RECORD_NOT_LOADED);
}
if (phoneState != PhoneConstants.State.IDLE
&& !mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) {
reasons.add(DataDisallowedReasonType.INVALID_PHONE_STATE);
reasons.add(DataDisallowedReasonType.CONCURRENT_VOICE_DATA_NOT_ALLOWED);
}
if (!internalDataEnabled) {
reasons.add(DataDisallowedReasonType.INTERNAL_DATA_DISABLED);
}
if (!defaultDataSelected) {
reasons.add(DataDisallowedReasonType.DEFAULT_DATA_UNSELECTED);
}
if (mPhone.getServiceState().getDataRoaming() && !getDataRoamingEnabled()) {
reasons.add(DataDisallowedReasonType.ROAMING_DISABLED);
}
if (mIsPsRestricted) {
reasons.add(DataDisallowedReasonType.PS_RESTRICTED);
}
if (!desiredPowerState) {
reasons.add(DataDisallowedReasonType.UNDESIRED_POWER_STATE);
}
if (!radioStateFromCarrier) {
reasons.add(DataDisallowedReasonType.RADIO_DISABLED_BY_CARRIER);
}
if (!mDataEnabledSettings.isDataEnabled()) {
reasons.add(DataDisallowedReasonType.DATA_DISABLED);
}
// If there are hard disallowed reasons, we should not allow data connection no matter what.
if (reasons.containsHardDisallowedReasons()) {
if (dataConnectionReasons != null) {
dataConnectionReasons.copyFrom(reasons);
}
return false;
}
// Step 4: Determine if data should be allowed in some special conditions.
// At this point, if data is not allowed, it must be because of the soft reasons. We
// should start to check some special conditions that data will be allowed.
// If the request APN type is unmetered and there are soft disallowed reasons (e.g. data
// disabled, data roaming disabled) existing, we should allow the data because the user
// won't be charged anyway.
if (!isMeteredApnType && !reasons.allowed()) {
reasons.add(DataAllowedReasonType.UNMETERED_APN);
}
// If the request is restricted and there are only soft disallowed reasons (e.g. data
// disabled, data roaming disabled) existing, we should allow the data.
if (apnContext != null
&& apnContext.hasRestrictedRequests(true)
&& !reasons.allowed()) {
reasons.add(DataAllowedReasonType.RESTRICTED_REQUEST);
}
// If at this point, we still haven't built any disallowed reasons, we should allow data.
if (reasons.allowed()) {
reasons.add(DataAllowedReasonType.NORMAL);
}
if (dataConnectionReasons != null) {
dataConnectionReasons.copyFrom(reasons);
}
return reasons.allowed();
}
// 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) {
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);
}
}
if (apnContext.isConnectable()) {
log("isConnectable() call trySetupData");
apnContext.setReason(reason);
trySetupData(apnContext);
}
}
}
boolean isEmergency() {
final boolean result = mPhone.isInEcm() || mPhone.isInEmergencyCall();
log("isEmergency: result=" + result);
return result;
}
private boolean trySetupData(ApnContext apnContext) {
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;
}
DataConnectionReasons dataConnectionReasons = new DataConnectionReasons();
boolean isDataAllowed = isDataAllowed(apnContext, dataConnectionReasons);
String logStr = "trySetupData for APN type " + apnContext.getApnType() + ", reason: "
+ apnContext.getReason() + ". " + dataConnectionReasons.toString();
if (DBG) log(logStr);
apnContext.requestLog(logStr);
if (isDataAllowed) {
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(mPhone.getServiceStateTracker()
.isConcurrentVoiceAndDataAllowed());
if (apnContext.getState() == DctConstants.State.IDLE) {
ArrayList<ApnSetting> waitingApns =
buildWaitingApns(apnContext.getApnType(), radioTech);
if (waitingApns.isEmpty()) {
notifyNoData(DataFailCause.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() + ", apnEnabled="
+ apnContext.isEnabled() + ", mDependencyMet="
+ apnContext.getDependencyMet() + "] ");
if (!mDataEnabledSettings.isDataEnabled()) {
str.append("isDataEnabled() = false. " + mDataEnabledSettings);
}
// If this is a data retry, we should set the APN state to FAILED so it won't stay
// in SCANNING forever.
if (apnContext.getState() == DctConstants.State.SCANNING) {
apnContext.setState(DctConstants.State.FAILED);
str.append(" Stop retrying.");
}
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) {
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) ||
reason.equals(Phone.REASON_PDP_RESET);
}
for (ApnContext apnContext : mApnContexts.values()) {
if (disableMeteredOnly) {
// Use ApnSetting to decide metered or non-metered.
// Tear down all metered data connections.
ApnSetting apnSetting = apnContext.getApnSetting();
if (apnSetting != null && ApnSettingUtils.isMetered(apnSetting, mPhone)) {
if (apnContext.isDisconnected() == false) didDisconnect = true;
if (DBG) log("clean up metered ApnContext Type: " + apnContext.getApnType());
apnContext.setReason(reason);
cleanUpConnection(tearDown, apnContext);
}
} else {
// Exclude the IMS APN from single DataConenction case.
if (reason.equals(Phone.REASON_SINGLE_PDN_ARBITRATION)
&& apnContext.getApnType().equals(PhoneConstants.APN_TYPE_IMS)) {
continue;
}
// TODO - only do cleanup if not disconnected
if (apnContext.isDisconnected() == false) didDisconnect = true;
apnContext.setReason(reason);
cleanUpConnection(tearDown, apnContext);
}
}
stopNetStatPoll();
stopDataStallAlarm();
// TODO: Do we need mRequestedApnType?
mRequestedApnType = ApnSetting.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;
}
DataConnection dataConnection = apnContext.getDataConnection();
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 data connection.
apnContext.setState(DctConstants.State.IDLE);
if (!apnContext.isReady()) {
if (dataConnection != null) {
str = "cleanUpConnection: teardown, disconnected, !ready";
if (DBG) log(str + " apnContext=" + apnContext);
apnContext.requestLog(str);
dataConnection.tearDown(apnContext, "", null);
}
apnContext.setDataConnection(null);
}
} else {
// Connection is still there. Try to clean up.
if (dataConnection != 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<ApnContext, Integer> pair =
new Pair<ApnContext, Integer>(apnContext, generation);
Message msg = obtainMessage(DctConstants.EVENT_DISCONNECT_DONE, pair);
if (disconnectAll) {
dataConnection.tearDownAll(apnContext.getReason(), msg);
} else {
dataConnection.tearDown(apnContext, apnContext.getReason(), msg);
}
apnContext.setState(DctConstants.State.DISCONNECTING);
mDisconnectPendingCount++;
}
} else {
// apn is connected but no reference to the data connection.
// Should not be happen, but reset the state in case.
apnContext.setState(DctConstants.State.IDLE);
apnContext.requestLog("cleanUpConnection: connected, bug no dc");
mPhone.notifyDataConnection(apnContext.getReason(),
apnContext.getApnType());
}
}
} else {
// force clean up the data connection.
if (dataConnection != null) dataConnection.reset();
apnContext.setState(DctConstants.State.IDLE);
mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType());
apnContext.setDataConnection(null);
}
// Make sure reconnection alarm is cleaned up if there is no ApnContext
// associated to the connection.
if (dataConnection != null) {
cancelReconnectAlarm(apnContext);
}
str = "cleanUpConnection: X tearDown=" + tearDown + " reason=" + apnContext.getReason();
if (DBG) log(str + " apnContext=" + apnContext + " dc=" + apnContext.getDataConnection());
apnContext.requestLog(str);
}
/**
* Fetch the DUN apns
* @return a list of DUN ApnSetting objects
*/
@VisibleForTesting
public @NonNull ArrayList<ApnSetting> fetchDunApns() {
if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) {
log("fetchDunApns: net.tethering.noprovisioning=true ret: empty list");
return new ArrayList<ApnSetting>(0);
}
int bearer = mPhone.getServiceState().getRilDataRadioTechnology();
IccRecords r = mIccRecords.get();
String operator = (r != null) ? r.getOperatorNumeric() : "";
ArrayList<ApnSetting> dunCandidates = new ArrayList<ApnSetting>();
ArrayList<ApnSetting> retDunSettings = new ArrayList<ApnSetting>();
// Places to look for tether APN in order: TETHER_DUN_APN setting (to be deprecated soon),
// APN database
String apnData = Settings.Global.getString(mResolver, Settings.Global.TETHER_DUN_APN);
if (!TextUtils.isEmpty(apnData)) {
dunCandidates.addAll(ApnSetting.arrayFromString(apnData));
if (VDBG) log("fetchDunApns: dunCandidates from Setting: " + dunCandidates);
}
if (dunCandidates.isEmpty()) {
if (!ArrayUtils.isEmpty(mAllApnSettings)) {
for (ApnSetting apn : mAllApnSettings) {
if (apn.canHandleType(ApnSetting.TYPE_DUN)) {
dunCandidates.add(apn);
}
}
if (VDBG) log("fetchDunApns: dunCandidates from database: " + dunCandidates);
}
}
for (ApnSetting dunSetting : dunCandidates) {
if (!ServiceState.bitmaskHasTech(dunSetting.getNetworkTypeBitmask(),
ServiceState.rilRadioTechnologyToNetworkType(bearer))) {
continue;
}
if (dunSetting.getOperatorNumeric().equals(operator)) {
if (dunSetting.hasMvnoParams()) {
if (r != null && ApnSettingUtils.mvnoMatches(r, dunSetting.getMvnoType(),
dunSetting.getMvnoMatchData())) {
retDunSettings.add(dunSetting);
}
} else if (mMvnoMatched == false) {
retDunSettings.add(dunSetting);
}
}
}
if (VDBG) log("fetchDunApns: dunSettings=" + retDunSettings);
return retDunSettings;
}
private int getPreferredApnSetId() {
Cursor c = mPhone.getContext().getContentResolver()
.query(Uri.withAppendedPath(Telephony.Carriers.CONTENT_URI,
"preferapnset/subId/" + mPhone.getSubId()),
new String[] {Telephony.Carriers.APN_SET_ID}, null, null, null);
if (c == null) {
loge("getPreferredApnSetId: cursor is null");
return Telephony.Carriers.NO_SET_SET;
}
int setId;
if (c.getCount() < 1) {
loge("getPreferredApnSetId: no APNs found");
setId = Telephony.Carriers.NO_SET_SET;
} else {
c.moveToFirst();
setId = c.getInt(0 /* index of Telephony.Carriers.APN_SET_ID */);
}
if (!c.isClosed()) {
c.close();
}
return setId;
}
public boolean hasMatchedTetherApnSetting() {
ArrayList<ApnSetting> matches = fetchDunApns();
log("hasMatchedTetherApnSetting: APNs=" + matches);
return matches.size() > 0;
}
/**
* 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;
ArrayList<ApnSetting> apns = fetchDunApns();
return apns.size() > 0;
}
/**
* 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);
}
}
boolean isPermanentFailure(DataFailCause dcFailCause) {
return (dcFailCause.isPermanentFailure(mPhone.getContext(), mPhone.getSubId()) &&
(mAttached.get() == false || dcFailCause != DataFailCause.SIGNAL_LOST));
}
private ArrayList<ApnSetting> createApnList(Cursor cursor) {
ArrayList<ApnSetting> mnoApns = new ArrayList<ApnSetting>();
ArrayList<ApnSetting> mvnoApns = new ArrayList<ApnSetting>();
IccRecords r = mIccRecords.get();
if (cursor.moveToFirst()) {
do {
ApnSetting apn = ApnSetting.makeApnSetting(cursor);
if (apn == null) {
continue;
}
if (apn.hasMvnoParams()) {
if (r != null && ApnSettingUtils.mvnoMatches(r, apn.getMvnoType(),
apn.getMvnoMatchData())) {
mvnoApns.add(apn);
}
} else {
mnoApns.add(apn);
}
} while (cursor.moveToNext());
}
ArrayList<ApnSetting> result;
if (mvnoApns.isEmpty()) {
result = mnoApns;
mMvnoMatched = false;
} else {
result = mvnoApns;
mMvnoMatched = true;
}
if (DBG) log("createApnList: X result=" + result);
return result;
}
private DataConnection findFreeDataConnection() {
for (DataConnection dataConnection : mDataConnections.values()) {
boolean inUse = false;
for (ApnContext apnContext : mApnContexts.values()) {
if (apnContext.getDataConnection() == dataConnection) {
inUse = true;
break;
}
}
if (!inUse) {
if (DBG) {
log("findFreeDataConnection: found free DataConnection=" + dataConnection);
}
return dataConnection;
}
}
log("findFreeDataConnection: NO free DataConnection");
return null;
}
/**
* Setup a data connection based on given APN type.
*
* @param apnContext APN context
* @param radioTech RAT of the data connection
* @return True if successful, otherwise false.
*/
private boolean setupData(ApnContext apnContext, int radioTech) {
if (DBG) log("setupData: apnContext=" + apnContext);
apnContext.requestLog("setupData");
ApnSetting apnSetting;
DataConnection dataConnection = null;
apnSetting = apnContext.getNextApnSetting();
if (apnSetting == null) {
if (DBG) log("setupData: return for no apn found!");
return false;
}
// profile id is only meaningful when the profile is persistent on the modem.
int profileId = DATA_PROFILE_INVALID;
if (apnSetting.isPersistent()) {
profileId = apnSetting.getProfileId();
if (profileId == DATA_PROFILE_DEFAULT) {
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().equals(PhoneConstants.APN_TYPE_DUN)
|| ServiceState.isGsm(mPhone.getServiceState().getRilDataRadioTechnology())) {
dataConnection = checkForCompatibleConnectedApnContext(apnContext);
if (dataConnection != null) {
// Get the apn setting used by the data connection
ApnSetting dataConnectionApnSetting = dataConnection.getApnSetting();
if (dataConnectionApnSetting != null) {
// Setting is good, so use it.
apnSetting = dataConnectionApnSetting;
}
}
}
if (dataConnection == null) {
if (isOnlySingleDcAllowed(radioTech)) {
if (isHigherPriorityApnContextActive(apnContext)) {
if (DBG) {
log("setupData: Higher priority ApnContext active. Ignoring call");
}
return false;
}
if (!apnContext.getApnType().equals(PhoneConstants.APN_TYPE_IMS)) {
// 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.");
}
dataConnection = findFreeDataConnection();
if (dataConnection == null) {
dataConnection = createDataConnection();
}
if (dataConnection == 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: dc=" + dataConnection + " apnSetting=" + apnSetting + " gen#="
+ generation);
}
apnContext.setDataConnection(dataConnection);
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, Integer>(apnContext, generation);
dataConnection.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 (mPreferredApn != null && mPreferredApn.canHandleType(ApnSetting.TYPE_IA)) {
iaApnSetting = mPreferredApn;
} else if (!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) {
if (apn.canHandleType(ApnSetting.TYPE_IA)) {
// 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(ApnSetting.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);
mDataServiceManager.setInitialAttachApn(createDataProfile(initialAttachApnSetting,
initialAttachApnSetting.equals(getPreferredApn())),
mPhone.getServiceState().getDataRoamingFromRegistration(), 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();
setDataProfilesAsNeeded();
setInitialAttachApn();
cleanUpConnectionsOnUpdatedApns(!isDisconnected, Phone.REASON_APN_CHANGED);
// FIXME: See bug 17426028 maybe no conditional is needed.
if (mPhone.getSubId() == SubscriptionManager.getDefaultDataSubscriptionId()) {
setupDataOnConnectableApns(Phone.REASON_APN_CHANGED);
}
}
/**
* "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) {
if (apnContext.getApnType().equals(PhoneConstants.APN_TYPE_IMS)) {
return false;
}
for (ApnContext otherContext : mPrioritySortedApnContexts) {
if (otherContext.getApnType().equals(PhoneConstants.APN_TYPE_IMS)) {
continue;
}
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) {
// Default single dc rats with no knowledge of carrier
int[] singleDcRats = null;
// get the carrier specific value, if it exists, from CarrierConfigManager.
// generally configManager and bundle should not be null, but if they are it should be okay
// to leave singleDcRats null as well
CarrierConfigManager configManager = (CarrierConfigManager)
mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);
if (configManager != null) {
PersistableBundle bundle = configManager.getConfigForSubId(mPhone.getSubId());
if (bundle != null) {
singleDcRats = bundle.getIntArray(
CarrierConfigManager.KEY_ONLY_SINGLE_DC_ALLOWED_INT_ARRAY);
}
}
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.putExtra(INTENT_RECONNECT_ALARM_EXTRA_TRANSPORT_TYPE, mTransportType);
SubscriptionManager.putPhoneIdAndSubIdExtra(intent, mPhone.getPhoneId());
intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
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(DataFailCause lastFailCauseCode,
ApnContext apnContext) {
if (DBG) log( "notifyNoData: type=" + apnContext.getApnType());
if (isPermanentFailure(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();
setDataProfilesAsNeeded();
setInitialAttachApn();
if (mPhone.mCi.getRadioState() == TelephonyManager.RADIO_POWER_ON) {
if (DBG) log("onRecordsLoadedOrSubIdChanged: notifying data availability");
notifyOffApnsOfAvailability(Phone.REASON_SIM_LOADED);
}
setupDataOnConnectableApns(Phone.REASON_SIM_LOADED);
}
/**
* Action set from carrier signalling broadcast receivers to enable/disable metered apns.
*/
private void onSetCarrierDataEnabled(AsyncResult ar) {
if (ar.exception != null) {
loge("CarrierDataEnable exception: " + ar.exception);
return;
}
boolean enabled = (boolean) ar.result;
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(TelephonyManager.OTASP_SIM_UNPROVISIONED);
// Tear down all metered apns
cleanUpAllConnections(true, Phone.REASON_CARRIER_ACTION_DISABLE_METERED_APN);
} else {
// Re-evaluate Otasp state
int otaspState = mPhone.getServiceStateTracker().getOtasp();
mPhone.notifyOtaspChanged(otaspState);
reevaluateDataConnections();
setupDataOnConnectableApns(Phone.REASON_DATA_ENABLED);
}
}
}
private void onSimNotReady() {
if (DBG) log("onSimNotReady");
cleanUpAllConnections(true, Phone.REASON_SIM_NOT_READY);
mAllApnSettings.clear();
mAutoAttachOnCreationConfig = false;
// Clear auto attach as modem is expected to do a new attach once SIM is ready
mAutoAttachOnCreation.set(false);
mOnSubscriptionsChangedListener.mPreviousSubId.set(
SubscriptionManager.INVALID_SUBSCRIPTION_ID);
// In no-sim case, we should still send the emergency APN to the modem, if there is any.
createAllApnList();
setDataProfilesAsNeeded();
}
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) {
final boolean prevEnabled = isDataEnabled();
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 != isDataEnabled()) {
if (!prevEnabled) {
reevaluateDataConnections();
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 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 SCANNING:
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())
|| apnContext.getState() != DctConstants.State.CONNECTED) {
str = "Clean up the connection. Apn type = " + apnContext.getApnType()
+ ", state = " + apnContext.getState();
if (DBG) log(str);
apnContext.requestLog(str);
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 DataConnection checkForCompatibleConnectedApnContext(ApnContext apnContext) {
int apnType = apnContext.getApnTypeBitmask();
ArrayList<ApnSetting> dunSettings = null;
if (ApnSetting.TYPE_DUN == apnType) {
dunSettings = sortApnListByPreferred(fetchDunApns());
}
if (DBG) {
log("checkForCompatibleConnectedApnContext: apnContext=" + apnContext );
}
DataConnection potentialDc = null;
ApnContext potentialApnCtx = null;
for (ApnContext curApnCtx : mApnContexts.values()) {
DataConnection curDc = curApnCtx.getDataConnection();
if (curDc != null) {
ApnSetting apnSetting = curApnCtx.getApnSetting();
log("apnSetting: " + apnSetting);
if (dunSettings != null && dunSettings.size() > 0) {
for (ApnSetting dunSetting : dunSettings) {
if (dunSetting.equals(apnSetting)) {
switch (curApnCtx.getState()) {
case CONNECTED:
if (DBG) {
log("checkForCompatibleConnectedApnContext:"
+ " found dun conn=" + curDc
+ " curApnCtx=" + curApnCtx);
}
return curDc;
case RETRYING:
case CONNECTING:
potentialDc = curDc;
potentialApnCtx = curApnCtx;
break;
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=" + curDc
+ " curApnCtx=" + curApnCtx);
}
return curDc;
case RETRYING:
case CONNECTING:
potentialDc = curDc;
potentialApnCtx = curApnCtx;
break;
default:
// Not connected, potential unchanged
break;
}
}
} else {
if (VDBG) {
log("checkForCompatibleConnectedApnContext: not conn curApnCtx=" + curApnCtx);
}
}
}
if (potentialDc != null) {
if (DBG) {
log("checkForCompatibleConnectedApnContext: found potential conn=" + potentialDc
+ " curApnCtx=" + potentialApnCtx);
}
return potentialDc;
}
if (DBG) log("checkForCompatibleConnectedApnContext: NO conn apnContext=" + apnContext);
return null;
}
public void setEnabled(int apnType, boolean enable) {
Message msg = obtainMessage(DctConstants.EVENT_ENABLE_NEW_APN);
msg.arg1 = apnType;
msg.arg2 = (enable ? DctConstants.ENABLED : DctConstants.DISABLED);
sendMessage(msg);
}
private void onEnableApn(int apnType, int enabled) {
ApnContext apnContext = mApnContextsByType.get(apnType);
if (apnContext == null) {
loge("onEnableApn(" + apnType + ", " + 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());
if ((enabled == DctConstants.DISABLED) &&
isOnlySingleDcAllowed(mPhone.getServiceState().getRilDataRadioTechnology()) &&
!isHigherPriorityApnContextActive(apnContext)) {
if(DBG) log("onEnableApn: isOnlySingleDcAllowed true & higher priority APN disabled");
// If the highest priority APN is disabled and only single
// data call is allowed, try to setup data call on other connectable APN.
setupDataOnConnectableApns(Phone.REASON_SINGLE_PDN_ARBITRATION);
}
}
// 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);
}
/**
* Whether data is enabled by user. Unlike isDataEnabled, this only
* checks user setting stored in {@link android.provider.Settings.Global#MOBILE_DATA}
* if not provisioning, or isProvisioningDataEnabled if provisioning.
*/
public boolean isUserDataEnabled() {
if (mDataEnabledSettings.isProvisioning()) {
return mDataEnabledSettings.isProvisioningDataEnabled();
} else {
return mDataEnabledSettings.isUserDataEnabled();
}
}
/**
* Modify {@link android.provider.Settings.Global#DATA_ROAMING} value for user modification only
*/
public void setDataRoamingEnabledByUser(boolean enabled) {
final int phoneSubId = mPhone.getSubId();
if (getDataRoamingEnabled() != enabled) {
int roaming = enabled ? 1 : 0;
// For single SIM phones, this is a per phone property.
if (mTelephonyManager.getSimCount() == 1) {
Settings.Global.putInt(mResolver, Settings.Global.DATA_ROAMING, roaming);
setDataRoamingFromUserAction(true);
} else {
Settings.Global.putInt(mResolver, Settings.Global.DATA_ROAMING +
phoneSubId, roaming);
}
mSubscriptionManager.setDataRoaming(roaming, phoneSubId);
// will trigger handleDataOnRoamingChange() through observer
if (DBG) {
log("setDataRoamingEnabledByUser: set phoneSubId=" + phoneSubId
+ " isRoaming=" + enabled);
}
} else {
if (DBG) {
log("setDataRoamingEnabledByUser: unchanged phoneSubId=" + phoneSubId
+ " isRoaming=" + enabled);
}
}
}
/**
* Return current {@link android.provider.Settings.Global#DATA_ROAMING} value.
*/
public boolean getDataRoamingEnabled() {
boolean isDataRoamingEnabled;
final int phoneSubId = mPhone.getSubId();
// For single SIM phones, this is a per phone property.
if (mTelephonyManager.getSimCount() == 1) {
isDataRoamingEnabled = Settings.Global.getInt(mResolver,
Settings.Global.DATA_ROAMING,
getDefaultDataRoamingEnabled() ? 1 : 0) != 0;
} else {
isDataRoamingEnabled = Settings.Global.getInt(mResolver,
Settings.Global.DATA_ROAMING + phoneSubId,
getDefaultDataRoamingEnabled() ? 1 : 0) != 0;
}
if (VDBG) {
log("getDataRoamingEnabled: phoneSubId=" + phoneSubId
+ " isDataRoamingEnabled=" + isDataRoamingEnabled);
}
return isDataRoamingEnabled;
}
/**
* get default values for {@link Settings.Global#DATA_ROAMING}
* return {@code true} if either
* {@link CarrierConfigManager#KEY_CARRIER_DEFAULT_DATA_ROAMING_ENABLED_BOOL} or
* system property ro.com.android.dataroaming is set to true. otherwise return {@code false}
*/
private boolean getDefaultDataRoamingEnabled() {
final CarrierConfigManager configMgr = (CarrierConfigManager)
mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);
boolean isDataRoamingEnabled = "true".equalsIgnoreCase(SystemProperties.get(
"ro.com.android.dataroaming", "false"));
isDataRoamingEnabled |= configMgr.getConfigForSubId(mPhone.getSubId()).getBoolean(
CarrierConfigManager.KEY_CARRIER_DEFAULT_DATA_ROAMING_ENABLED_BOOL);
return isDataRoamingEnabled;
}
/**
* Set default value for {@link android.provider.Settings.Global#DATA_ROAMING}
* if the setting is not from user actions. default value is based on carrier config and system
* properties.
*/
private void setDefaultDataRoamingEnabled() {
// For single SIM phones, this is a per phone property.
String setting = Settings.Global.DATA_ROAMING;
boolean useCarrierSpecificDefault = false;
if (mTelephonyManager.getSimCount() != 1) {
setting = setting + mPhone.getSubId();
try {
Settings.Global.getInt(mResolver, setting);
} catch (SettingNotFoundException ex) {
// For msim, update to carrier default if uninitialized.
useCarrierSpecificDefault = true;
}
} else if (!isDataRoamingFromUserAction()) {
// for single sim device, update to carrier default if user action is not set
useCarrierSpecificDefault = true;
}
if (useCarrierSpecificDefault) {
boolean defaultVal = getDefaultDataRoamingEnabled();
log("setDefaultDataRoamingEnabled: " + setting + "default value: " + defaultVal);
Settings.Global.putInt(mResolver, setting, defaultVal ? 1 : 0);
mSubscriptionManager.setDataRoaming(defaultVal ? 1 : 0, mPhone.getSubId());
}
}
private boolean isDataRoamingFromUserAction() {
final SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(mPhone.getContext());
// since we don't want to unset user preference from system update, pass true as the default
// value if shared pref does not exist and set shared pref to false explicitly from factory
// reset.
if (!sp.contains(Phone.DATA_ROAMING_IS_USER_SETTING_KEY)
&& Settings.Global.getInt(mResolver, Settings.Global.DEVICE_PROVISIONED, 0) == 0) {
sp.edit().putBoolean(Phone.DATA_ROAMING_IS_USER_SETTING_KEY, false).commit();
}
return sp.getBoolean(Phone.DATA_ROAMING_IS_USER_SETTING_KEY, true);
}
private void setDataRoamingFromUserAction(boolean isUserAction) {
final SharedPreferences.Editor sp = PreferenceManager
.getDefaultSharedPreferences(mPhone.getContext()).edit();
sp.putBoolean(Phone.DATA_ROAMING_IS_USER_SETTING_KEY, isUserAction).commit();
}
// When the data roaming status changes from roaming to non-roaming.
private void onDataRoamingOff() {
if (DBG) log("onDataRoamingOff");
reevaluateDataConnections();
if (!getDataRoamingEnabled()) {
// TODO: Remove this once all old vendor RILs are gone. We don't need to set initial apn
// attach and send the data profile again as the modem should have both roaming and
// non-roaming protocol in place. Modem should choose the right protocol based on the
// roaming condition.
setDataProfilesAsNeeded();
setInitialAttachApn();
// If the user did not enable data roaming, now when we transit from roaming to
// non-roaming, we should try to reestablish the data connection.
notifyOffApnsOfAvailability(Phone.REASON_ROAMING_OFF);
setupDataOnConnectableApns(Phone.REASON_ROAMING_OFF);
} else {
notifyDataConnection(Phone.REASON_ROAMING_OFF);
}
}
// This method is called
// 1. When the data roaming status changes from non-roaming to roaming.
// 2. When allowed data roaming settings is changed by the user.
private void onDataRoamingOnOrSettingsChanged(int messageType) {
if (DBG) log("onDataRoamingOnOrSettingsChanged");
// Used to differentiate data roaming turned on vs settings changed.
boolean settingChanged = (messageType == DctConstants.EVENT_ROAMING_SETTING_CHANGE);
// Check if the device is actually data roaming
if (!mPhone.getServiceState().getDataRoaming()) {
if (DBG) log("device is not roaming. ignored the request.");
return;
}
checkDataRoamingStatus(settingChanged);
if (getDataRoamingEnabled()) {
// If the restricted data was brought up when data roaming is disabled, and now users
// enable data roaming, we need to re-evaluate the conditions and possibly change the
// network's capability.
if (settingChanged) {
reevaluateDataConnections();
}
if (DBG) log("onDataRoamingOnOrSettingsChanged: setup data on roaming");
setupDataOnConnectableApns(Phone.REASON_ROAMING_ON);
notifyDataConnection(Phone.REASON_ROAMING_ON);
} else {
// If the user does not turn on data roaming, when we transit from non-roaming to
// roaming, we need to tear down the data connection otherwise the user might be
// charged for data roaming usage.
if (DBG) log("onDataRoamingOnOrSettingsChanged: Tear down data connection on roaming.");
cleanUpAllConnections(true, Phone.REASON_ROAMING_ON);
notifyOffApnsOfAvailability(Phone.REASON_ROAMING_ON);
}
}
// We want to track possible roaming data leakage. Which is, if roaming setting
// is disabled, yet we still setup a roaming data connection or have a connected ApnContext
// switched to roaming. When this happens, we log it in a local log.
private void checkDataRoamingStatus(boolean settingChanged) {
if (!settingChanged && !getDataRoamingEnabled()
&& mPhone.getServiceState().getDataRoaming()) {
for (ApnContext apnContext : mApnContexts.values()) {
if (apnContext.getState() == DctConstants.State.CONNECTED) {
mDataRoamingLeakageLog.log("PossibleRoamingLeakage "
+ " connection params: " + (apnContext.getDataConnection() != null
? apnContext.getDataConnection().getConnectionParams() : ""));
}
}
}
}
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;
// Clear auto attach as modem is expected to do a new attach
mAutoAttachOnCreation.set(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) {
DataFailCause cause = DataFailCause.UNKNOWN;
boolean handleError = false;
ApnContext apnContext = getValidApnContext(ar, "onDataSetupComplete");
if (apnContext == null) return;
if (ar.exception == null) {
DataConnection dataConnection = apnContext.getDataConnection();
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");
dataConnection = null;
Settings.System.putInt(cr, radioTestProperty, 0);
log("onDataSetupComplete: " + radioTestProperty + "=" +
Settings.System.getInt(mPhone.getContext().getContentResolver(),
radioTestProperty, -1));
}
}
if (dataConnection == null) {
log("onDataSetupComplete: no connection to DC, handle as error");
cause = DataFailCause.CONNECTION_TO_DATACONNECTIONAC_BROKEN;
handleError = true;
} else {
ApnSetting apn = apnContext.getApnSetting();
if (DBG) {
log("onDataSetupComplete: success apn=" + (apn == null ? "unknown"
: apn.getApnName()));
}
if (apn != null && !TextUtils.isEmpty(apn.getProxyAddressAsString())) {
try {
int port = apn.getProxyPort();
if (port == -1) {
port = 8080;
}
ProxyInfo proxy = new ProxyInfo(apn.getProxyAddressAsString(), port, null);
dataConnection.setLinkPropertiesHttpProxy(proxy);
} catch (NumberFormatException e) {
loge("onDataSetupComplete: NumberFormatException making ProxyProperties ("
+ apn.getProxyPort() + "): " + 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.getId());
}
}
} 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);
checkDataRoamingStatus(false);
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(),
mTelephonyManager.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 = (DataFailCause) (ar.result);
if (DBG) {
ApnSetting apn = apnContext.getApnSetting();
log(String.format("onDataSetupComplete: error apn=%s cause=%s",
(apn == null ? "unknown" : apn.getApnName()), cause));
}
if (cause.isEventLoggable()) {
// Log this failure to the Event Logs.
int cid = getCellLocationId();
EventLog.writeEvent(EventLogTags.PDP_SETUP_FAIL,
cause.ordinal(), cid, mTelephonyManager.getNetworkType());
}
ApnSetting apn = apnContext.getApnSetting();
mPhone.notifyPreciseDataConnectionFailed(apnContext.getReason(),
apnContext.getApnType(), apn != null ? apn.getApnName()
: "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.isRadioRestartFailure(mPhone.getContext(), mPhone.getSubId())
|| 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 (isPermanentFailure(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) {
Pair<ApnContext, Integer>pair = (Pair<ApnContext, Integer>)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.setDataConnection(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);
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.setDataConnection(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.getRetryAfterDisconnectDelay();
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.setDataConnection(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 apnType, String reason) {
if (DBG) log("onCleanUpConnection");
ApnContext apnContext = mApnContextsByType.get(apnType);
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");
ArrayList<DataProfile> dataProfileList = new ArrayList<>();
for (ApnSetting apn : mAllApnSettings) {
DataProfile dp = createDataProfile(apn, apn.equals(getPreferredApn()));
if (!dataProfileList.contains(dp)) {
dataProfileList.add(dp);
}
}
// Check if the data profiles we are sending are same as we did last time. We don't want to
// send the redundant profiles to the modem. Also if there the list is empty, we don't
// send it to the modem.
if (!dataProfileList.isEmpty()
&& (dataProfileList.size() != mLastDataProfileList.size()
|| !mLastDataProfileList.containsAll(dataProfileList))) {
mDataServiceManager.setDataProfile(dataProfileList,
mPhone.getServiceState().getDataRoamingFromRegistration(), 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.clear();
IccRecords r = mIccRecords.get();
String operator = (r != null) ? r.getOperatorNumeric() : "";
if (operator != null) {
String selection = Telephony.Carriers.NUMERIC + " = '" + operator + "'";
// query only enabled apn.
// carrier_enabled : 1 means enabled apn, 0 disabled apn.
// selection += " and carrier_enabled = 1";
if (DBG) log("createAllApnList: selection=" + selection);
// ORDER BY Telephony.Carriers._ID ("_id")
Cursor cursor = mPhone.getContext().getContentResolver().query(
Uri.withAppendedPath(Telephony.Carriers.CONTENT_URI, "filtered"),
null, selection, null, Telephony.Carriers._ID);
if (cursor != null) {
if (cursor.getCount() > 0) {
mAllApnSettings = createApnList(cursor);
} else {
if (DBG) log("createAllApnList: cursor count is 0");
mApnSettingsInitializationLog.log("no APN in db for carrier: " + operator);
}
cursor.close();
} else {
if (DBG) log("createAllApnList: cursor is null");
mApnSettingsInitializationLog.log("cursor is null for carrier: " + operator);
}
}
addEmergencyApnSetting();
dedupeApnSettings();
if (mAllApnSettings.isEmpty()) {
if (DBG) log("createAllApnList: No APN found for carrier: " + operator);
mApnSettingsInitializationLog.log("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.getOperatorNumeric().equals(operator)) {
mPreferredApn = null;
setPreferredApn(-1);
}
if (DBG) log("createAllApnList: mPreferredApn=" + mPreferredApn);
}
if (DBG) log("createAllApnList: X mAllApnSettings=" + mAllApnSettings);
}
private void dedupeApnSettings() {
ArrayList<ApnSetting> resultApns = new ArrayList<ApnSetting>();
// 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 (first.similar(second)) {
ApnSetting newApn = mergeApns(first, second);
mAllApnSettings.set(i, newApn);
first = newApn;
mAllApnSettings.remove(j);
} else {
j++;
}
}
i++;
}
}
private ApnSetting mergeApns(ApnSetting dest, ApnSetting src) {
int id = dest.getId();
if ((src.getApnTypeBitmask() & ApnSetting.TYPE_DEFAULT) == ApnSetting.TYPE_DEFAULT) {
id = src.getId();
}
final int resultApnType = src.getApnTypeBitmask() | dest.getApnTypeBitmask();
Uri mmsc = (dest.getMmsc() == null ? src.getMmsc() : dest.getMmsc());
String mmsProxy = TextUtils.isEmpty(dest.getMmsProxyAddressAsString())
? src.getMmsProxyAddressAsString() : dest.getMmsProxyAddressAsString();
int mmsPort = dest.getMmsProxyPort() == -1 ? src.getMmsProxyPort() : dest.getMmsProxyPort();
String proxy = TextUtils.isEmpty(dest.getProxyAddressAsString())
? src.getProxyAddressAsString() : dest.getProxyAddressAsString();
int port = dest.getProxyPort() == -1 ? src.getProxyPort() : dest.getProxyPort();
int protocol = src.getProtocol() == ApnSetting.PROTOCOL_IPV4V6 ? src.getProtocol()
: dest.getProtocol();
int roamingProtocol = src.getRoamingProtocol() == ApnSetting.PROTOCOL_IPV4V6
? src.getRoamingProtocol() : dest.getRoamingProtocol();
int networkTypeBitmask = (dest.getNetworkTypeBitmask() == 0
|| src.getNetworkTypeBitmask() == 0)
? 0 : (dest.getNetworkTypeBitmask() | src.getNetworkTypeBitmask());
return ApnSetting.makeApnSetting(id, dest.getOperatorNumeric(), dest.getEntryName(),
dest.getApnName(), proxy, port, mmsc, mmsProxy, mmsPort, dest.getUser(),
dest.getPassword(), dest.getAuthType(), resultApnType, protocol, roamingProtocol,
dest.isEnabled(), networkTypeBitmask, dest.getProfileId(),
(dest.isPersistent() || src.isPersistent()), dest.getMaxConns(),
dest.getWaitTime(), dest.getMaxConnsTime(), dest.getMtu(), dest.getMvnoType(),
dest.getMvnoMatchData(), dest.getApnSetId(), dest.getCarrierId());
}
private DataConnection createDataConnection() {
if (DBG) log("createDataConnection E");
int id = mUniqueIdGenerator.getAndIncrement();
DataConnection dataConnection = DataConnection.makeDataConnection(mPhone, id, this,
mDataServiceManager, mDcTesterFailBringUpAll, mDcc);
mDataConnections.put(id, dataConnection);
if (DBG) log("createDataConnection() X id=" + id + " dc=" + dataConnection);
return dataConnection;
}
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<ApnSetting> buildWaitingApns(String requestedApnType, int radioTech) {
if (DBG) log("buildWaitingApns: E requestedApnType=" + requestedApnType);
ArrayList<ApnSetting> apnList = new ArrayList<ApnSetting>();
int requestedApnTypeBitmask = ApnSetting.getApnTypesBitmaskFromString(requestedApnType);
if (requestedApnTypeBitmask == ApnSetting.TYPE_DUN) {
ArrayList<ApnSetting> dunApns = fetchDunApns();
if (dunApns.size() > 0) {
for (ApnSetting dun : dunApns) {
apnList.add(dun);
if (DBG) log("buildWaitingApns: X added APN_TYPE_DUN apnList=" + apnList);
}
return sortApnListByPreferred(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(requestedApnTypeBitmask)) {
if (DBG) {
log("buildWaitingApns: Preferred APN:" + operator + ":"
+ mPreferredApn.getOperatorNumeric() + ":" + mPreferredApn);
}
if (mPreferredApn.getOperatorNumeric().equals(operator)) {
if (ServiceState.bitmaskHasTech(mPreferredApn.getNetworkTypeBitmask(),
ServiceState.rilRadioTechnologyToNetworkType(radioTech))) {
apnList.add(mPreferredApn);
apnList = sortApnListByPreferred(apnList);
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 (DBG) log("buildWaitingApns: mAllApnSettings=" + mAllApnSettings);
for (ApnSetting apn : mAllApnSettings) {
if (apn.canHandleType(requestedApnTypeBitmask)) {
if (ServiceState.bitmaskHasTech(apn.getNetworkTypeBitmask(),
ServiceState.rilRadioTechnologyToNetworkType(radioTech))) {
if (DBG) log("buildWaitingApns: adding apn=" + apn);
apnList.add(apn);
} else {
if (DBG) {
log("buildWaitingApns: networkTypeBitmask:"
+ apn.getNetworkTypeBitmask()
+ "do not include radioTech:" + radioTech);
}
}
} else if (DBG) {
log("buildWaitingApns: couldn't handle requested ApnType="
+ requestedApnType);
}
}
apnList = sortApnListByPreferred(apnList);
if (DBG) log("buildWaitingApns: " + apnList.size() + " APNs in the list: " + apnList);
return apnList;
}
/**
* Sort a list of ApnSetting objects, with the preferred APNs at the front of the list
*
* e.g. if the preferred APN set = 2 and we have
* 1. APN with apn_set_id = 0 = Carriers.NO_SET_SET (no set is set)
* 2. APN with apn_set_id = 1 (not preferred set)
* 3. APN with apn_set_id = 2 (preferred set)
* Then the return order should be (3, 1, 2) or (3, 2, 1)
*
* e.g. if the preferred APN set = Carriers.NO_SET_SET (no preferred set) then the
* return order can be anything
*/
@VisibleForTesting
public ArrayList<ApnSetting> sortApnListByPreferred(ArrayList<ApnSetting> list) {
if (list == null || list.size() <= 1) return list;
int preferredApnSetId = getPreferredApnSetId();
if (preferredApnSetId != Telephony.Carriers.NO_SET_SET) {
list.sort(new Comparator<ApnSetting>() {
@Override
public int compare(ApnSetting apn1, ApnSetting apn2) {
if (apn1.getApnSetId() == preferredApnSetId) {
return -1;
}
if (apn2.getApnSetId() == preferredApnSetId) {
return 1;
}
return 0;
}
});
}
return list;
}
private String apnListToString (ArrayList<ApnSetting> 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);
}
}
ApnSetting getPreferredApn() {
if (mAllApnSettings == null || mAllApnSettings.isEmpty()) {
log("getPreferredApn: mAllApnSettings is 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.getId() == 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 = mApnContextsByType.get(ApnSetting.TYPE_DEFAULT);
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:
if (mPhone.getServiceState().getRilDataRadioTechnology()
== ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN) {
// unknown rat is an exception for data rat change. It's only received when out
// of service and is not applicable for apn bearer bitmask. We should bypass the
// check of waiting apn list and keep the data connection on, and no need to
// setup a new one.
break;
}
cleanUpConnectionsOnUpdatedApns(false, Phone.REASON_NW_TYPE_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 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:
onDataRoamingOff();
break;
case DctConstants.EVENT_ROAMING_ON:
case DctConstants.EVENT_ROAMING_SETTING_CHANGE:
onDataRoamingOnOrSettingsChanged(msg.what);
break;
case DctConstants.EVENT_DEVICE_PROVISIONED_CHANGE:
onDeviceProvisionedChange();
break;
case DctConstants.EVENT_DEVICE_PROVISIONING_DATA_SETTING_CHANGE:
onDeviceProvisioningDataChange();
break;
case DctConstants.EVENT_REDIRECTION_DETECTED:
String url = (String) msg.obj;
log("dataConnectionTracker.handleMessage: EVENT_REDIRECTION_DETECTED=" + url);
onDataConnectionRedirected(url);
break;
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.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;
}
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 = mApnContextsByType.get(ApnSetting.TYPE_DEFAULT);
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_PCO_DATA_RECEIVED: {
handlePcoData((AsyncResult)msg.obj);
break;
}
case DctConstants.EVENT_SET_CARRIER_DATA_ENABLED:
onSetCarrierDataEnabled((AsyncResult) msg.obj);
break;
case DctConstants.EVENT_DATA_RECONNECT:
onDataReconnect(msg.getData());
break;
case DctConstants.EVENT_DATA_SERVICE_BINDING_CHANGED:
onDataServiceBindingChanged((Boolean) ((AsyncResult) msg.obj).result);
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);
}
} else {
onSimNotReady();
}
}
}
public void update() {
log("update sub = " + mPhone.getSubId());
log("update(): Active DDS, register for all events now!");
onUpdateIcc();
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) {
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(mLogTag, s);
}
private void loge(String s) {
Rlog.e(mLogTag, s);
}
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
pw.println("DcTracker:");
pw.println(" RADIO_TESTS=" + RADIO_TESTS);
pw.println(" mDataEnabledSettings=" + mDataEnabledSettings);
pw.println(" isDataAllowed=" + isDataAllowed(null));
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(" mReconnectIntent=" + mReconnectIntent);
pw.println(" mAutoAttachOnCreation=" + mAutoAttachOnCreation.get());
pw.println(" mIsScreenOn=" + mIsScreenOn);
pw.println(" mUniqueIdGenerator=" + mUniqueIdGenerator);
pw.println(" mDataRoamingLeakageLog= ");
mDataRoamingLeakageLog.dump(fd, pw, args);
pw.println(" mApnSettingsInitializationLog= ");
mApnSettingsInitializationLog.dump(fd, pw, args);
pw.flush();
pw.println(" ***************************************");
DcController dcc = mDcc;
if (dcc != null) {
dcc.dump(fd, pw, args);
} else {
pw.println(" mDcc=null");
}
pw.println(" ***************************************");
HashMap<Integer, DataConnection> dcs = mDataConnections;
if (dcs != null) {
Set<Entry<Integer, DataConnection> > mDcSet = mDataConnections.entrySet();
pw.println(" mDataConnections: count=" + mDcSet.size());
for (Entry<Integer, DataConnection> 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<String, Integer> apnToDcId = mApnToDataConnectionId;
if (apnToDcId != null) {
Set<Entry<String, Integer>> apnToDcIdSet = apnToDcId.entrySet();
pw.println(" mApnToDataConnectonId size=" + apnToDcIdSet.size());
for (Entry<String, Integer> entry : apnToDcIdSet) {
pw.printf(" mApnToDataConnectonId[%s]=%d\n", entry.getKey(), entry.getValue());
}
} else {
pw.println("mApnToDataConnectionId=null");
}
pw.println(" ***************************************");
pw.flush();
ConcurrentHashMap<String, ApnContext> apnCtxs = mApnContexts;
if (apnCtxs != null) {
Set<Entry<String, ApnContext>> apnCtxsSet = apnCtxs.entrySet();
pw.println(" mApnContexts size=" + apnCtxsSet.size());
for (Entry<String, ApnContext> entry : apnCtxsSet) {
entry.getValue().dump(fd, pw, args);
}
pw.println(" ***************************************");
} else {
pw.println(" mApnContexts=null");
}
pw.flush();
pw.println(" mAllApnSettings size=" + mAllApnSettings.size());
for (int i = 0; i < mAllApnSettings.size(); i++) {
pw.printf(" mAllApnSettings[%d]: %s\n", i, mAllApnSettings.get(i));
}
pw.flush();
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(" mAttached=" + mAttached.get());
mDataEnabledSettings.dump(fd, pw, args);
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 = mApnContextsByType.get(ApnSetting.TYPE_EMERGENCY);
} else if (TextUtils.equals(apnType, PhoneConstants.APN_TYPE_IMS)) {
apnContext = mApnContextsByType.get(ApnSetting.TYPE_IMS);
} else {
log("apnType is invalid, return null");
return null;
}
if (apnContext == null) {
log("apnContext is null, return null");
return null;
}
DataConnection dataConnection = apnContext.getDataConnection();
String[] result = null;
if (dataConnection != null) {
result = dataConnection.getPcscfAddresses();
if (result != null) {
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(
Uri.withAppendedPath(Telephony.Carriers.CONTENT_URI, "filtered"),
null, selection, null, null);
if (cursor != null) {
if (cursor.getCount() > 0) {
if (cursor.moveToFirst()) {
mEmergencyApn = ApnSetting.makeApnSetting(cursor);
}
}
cursor.close();
}
}
/**
* Add the Emergency APN settings to APN settings list
*/
private void addEmergencyApnSetting() {
if(mEmergencyApn != null) {
for (ApnSetting apn : mAllApnSettings) {
if (apn.canHandleType(ApnSetting.TYPE_EMERGENCY)) {
log("addEmergencyApnSetting - E-APN setting is already present");
return;
}
}
// If all of the APN settings cannot handle emergency, we add the emergency APN to the
// list explicitly.
mAllApnSettings.add(mEmergencyApn);
}
}
private boolean containsAllApns(ArrayList<ApnSetting> oldApnList,
ArrayList<ApnSetting> newApnList) {
for (ApnSetting newApnSetting : newApnList) {
boolean canHandle = false;
for (ApnSetting oldApnSetting : oldApnList) {
// Make sure at least one of the APN from old list can cover the new APN
if (oldApnSetting.equals(newApnSetting,
mPhone.getServiceState().getDataRoamingFromRegistration())) {
canHandle = true;
break;
}
}
if (!canHandle) return false;
}
return true;
}
private void cleanUpConnectionsOnUpdatedApns(boolean tearDown, String reason) {
if (DBG) log("cleanUpConnectionsOnUpdatedApns: tearDown=" + tearDown);
if (mAllApnSettings.isEmpty()) {
cleanUpAllConnections(tearDown, Phone.REASON_APN_CHANGED);
} else {
int radioTech = mPhone.getServiceState().getRilDataRadioTechnology();
if (radioTech == ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN) {
// unknown rat is an exception for data rat change. Its only received when out of
// service and is not applicable for apn bearer bitmask. We should bypass the check
// of waiting apn list and keep the data connection on.
return;
}
for (ApnContext apnContext : mApnContexts.values()) {
ArrayList<ApnSetting> currentWaitingApns = apnContext.getWaitingApns();
ArrayList<ApnSetting> waitingApns = buildWaitingApns(
apnContext.getApnType(),
mPhone.getServiceState().getRilDataRadioTechnology());
if (VDBG) log("new waitingApns:" + waitingApns);
if ((currentWaitingApns != null)
&& ((waitingApns.size() != currentWaitingApns.size())
// Check if the existing waiting APN list can cover the newly built APN
// list. If yes, then we don't need to tear down the existing data call.
// TODO: We probably need to rebuild APN list when roaming status changes.
|| !containsAllApns(currentWaitingApns, waitingApns))) {
if (VDBG) log("new waiting apn is different for " + apnContext);
apnContext.setWaitingApns(waitingApns);
if (!apnContext.isDisconnected()) {
if (VDBG) log("cleanUpConnectionsOnUpdatedApns for " + apnContext);
apnContext.setReason(reason);
cleanUpConnection(true, apnContext);
}
}
}
}
if (!isConnected()) {
stopNetStatPoll();
stopDataStallAlarm();
}
mRequestedApnType = ApnSetting.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.updateTotalTxRxSum();
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) {
loge("PCO_DATA exception: " + ar.exception);
return;
}
PcoData pcoData = (PcoData)(ar.result);
ArrayList<DataConnection> dcList = new ArrayList<>();
DataConnection temp = mDcc.getActiveDcByCid(pcoData.cid);
if (temp != null) {
dcList.add(temp);
}
if (dcList.size() == 0) {
loge("PCO_DATA for unknown cid: " + pcoData.cid + ", inferring");
for (DataConnection dc : mDataConnections.values()) {
final int cid = dc.getCid();
if (cid == pcoData.cid) {
if (VDBG) log(" found " + dc);
dcList.clear();
dcList.add(dc);
break;
}
// check if this dc is still connecting
if (cid == -1) {
for (ApnContext apnContext : dc.getApnContexts()) {
if (apnContext.getState() == DctConstants.State.CONNECTING) {
if (VDBG) log(" found potential " + dc);
dcList.add(dc);
break;
}
}
}
}
}
if (dcList.size() == 0) {
loge("PCO_DATA - couldn't infer cid");
return;
}
for (DataConnection dc : dcList) {
List<ApnContext> apnContextList = dc.getApnContexts();
if (apnContextList.size() == 0) {
break;
}
// send one out for each apn type in play
for (ApnContext apnContext : apnContextList) {
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;
private static boolean isAggressiveRecovery(int value) {
return ((value == RecoveryAction.CLEANUP) ||
(value == RecoveryAction.REREGISTER) ||
(value == RecoveryAction.RADIO_RESTART));
}
}
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 broadcastDataStallDetected(int recoveryAction) {
Intent intent = new Intent(TelephonyManager.ACTION_DATA_STALL_DETECTED);
SubscriptionManager.putPhoneIdAndSubIdExtra(intent, mPhone.getPhoneId());
intent.putExtra(TelephonyManager.EXTRA_RECOVERY_ACTION, recoveryAction);
mPhone.getContext().sendBroadcast(intent, READ_PHONE_STATE);
}
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);
broadcastDataStallDetected(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");
mDataServiceManager.getDataCallList(obtainMessage());
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");
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.updateTcpTxRxSum();
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 (isPhoneStateIdle()) {
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 boolean isPhoneStateIdle() {
for (int i = 0; i < mTelephonyManager.getPhoneCount(); i++) {
Phone phone = PhoneFactory.getPhone(i);
if (phone != null && phone.getState() != PhoneConstants.State.IDLE) {
log("isPhoneStateIdle false: Voice call active on phone " + i);
return false;
}
}
return true;
}
private void onDataStallAlarm(int tag) {
if (mDataStallAlarmTag != tag) {
if (DBG) {
log("onDataStallAlarm: ignore, tag=" + tag + " expecting " + mDataStallAlarmTag);
}
return;
}
if (DBG) log("Data stall alarm");
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(INTENT_DATA_STALL_ALARM_EXTRA_TAG, mDataStallAlarmTag);
intent.putExtra(INTENT_DATA_STALL_ALARM_EXTRA_TRANSPORT_TYPE, mTransportType);
SubscriptionManager.putPhoneIdAndSubIdExtra(intent, mPhone.getPhoneId());
mDataStallAlarmIntent = PendingIntent.getBroadcast(mPhone.getContext(), 0, intent,
PendingIntent.FLAG_UPDATE_CURRENT);
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME,
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;
}
}
private static DataProfile createDataProfile(ApnSetting apn, boolean isPreferred) {
return createDataProfile(apn, apn.getProfileId(), isPreferred);
}
@VisibleForTesting
public static DataProfile createDataProfile(ApnSetting apn, int profileId,
boolean isPreferred) {
int profileType;
int bearerBitmap = ServiceState.convertNetworkTypeBitmaskToBearerBitmask(
apn.getNetworkTypeBitmask());
if (bearerBitmap == 0) {
profileType = DataProfile.TYPE_COMMON;
} else if (ServiceState.bearerBitmapHasCdma(bearerBitmap)) {
profileType = DataProfile.TYPE_3GPP2;
} else {
profileType = DataProfile.TYPE_3GPP;
}
return new DataProfile(profileId, apn.getApnName(),
ApnSetting.getProtocolStringFromInt(apn.getProtocol()), apn.getAuthType(),
apn.getUser(), apn.getPassword(), profileType, apn.getMaxConnsTime(),
apn.getMaxConns(), apn.getWaitTime(), apn.isEnabled(), apn.getApnTypeBitmask(),
ApnSetting.getProtocolStringFromInt(apn.getRoamingProtocol()), bearerBitmap,
apn.getMtu(), apn.isPersistent(), isPreferred);
}
private void onDataServiceBindingChanged(boolean bound) {
if (bound) {
mDcc.start();
} else {
mDcc.dispose();
}
}
}