cc4b4016e4
A refactoring of handleDisconnect instroduced a bug - we were reporting NO_CONNECTIVITY after any non-primary network (supl, mms, hipri) was lost. bug:2395006 Change-Id: Ifa9e008872ec646981a35f2c316120cb9685a6a4
1361 lines
52 KiB
Java
1361 lines
52 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.net.ConnectivityManager;
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import android.net.IConnectivityManager;
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import android.net.MobileDataStateTracker;
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import android.net.NetworkInfo;
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import android.net.NetworkStateTracker;
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import android.net.wifi.WifiStateTracker;
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import android.os.Binder;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Message;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.SystemProperties;
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import android.provider.Settings;
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import android.text.TextUtils;
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import android.util.EventLog;
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import android.util.Log;
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import com.android.internal.telephony.Phone;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @hide
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*/
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public class ConnectivityService extends IConnectivityManager.Stub {
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private static final boolean DBG = true;
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private static final String TAG = "ConnectivityService";
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// Event log tags (must be in sync with event-log-tags)
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private static final int EVENTLOG_CONNECTIVITY_STATE_CHANGED = 50020;
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// how long to wait before switching back to a radio's default network
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private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000;
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// system property that can override the above value
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private static final String NETWORK_RESTORE_DELAY_PROP_NAME =
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"android.telephony.apn-restore";
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/**
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* Sometimes we want to refer to the individual network state
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* trackers separately, and sometimes we just want to treat them
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* abstractly.
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*/
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private NetworkStateTracker mNetTrackers[];
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/**
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* A per Net list of the PID's that requested access to the net
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* used both as a refcount and for per-PID DNS selection
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*/
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private List mNetRequestersPids[];
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private WifiWatchdogService mWifiWatchdogService;
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// priority order of the nettrackers
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// (excluding dynamically set mNetworkPreference)
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// TODO - move mNetworkTypePreference into this
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private int[] mPriorityList;
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private Context mContext;
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private int mNetworkPreference;
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private int mActiveDefaultNetwork = -1;
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private int mNumDnsEntries;
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private boolean mTestMode;
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private static ConnectivityService sServiceInstance;
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private Handler mHandler;
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// list of DeathRecipients used to make sure features are turned off when
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// a process dies
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private List mFeatureUsers;
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private boolean mSystemReady;
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private ArrayList<Intent> mDeferredBroadcasts;
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private class NetworkAttributes {
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/**
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* Class for holding settings read from resources.
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*/
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public String mName;
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public int mType;
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public int mRadio;
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public int mPriority;
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public NetworkInfo.State mLastState;
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public NetworkAttributes(String init) {
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String fragments[] = init.split(",");
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mName = fragments[0].toLowerCase();
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if (fragments[1].toLowerCase().equals("wifi")) {
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mRadio = ConnectivityManager.TYPE_WIFI;
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} else {
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mRadio = ConnectivityManager.TYPE_MOBILE;
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}
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if (mName.equals("default")) {
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mType = mRadio;
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} else if (mName.equals("mms")) {
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mType = ConnectivityManager.TYPE_MOBILE_MMS;
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} else if (mName.equals("supl")) {
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mType = ConnectivityManager.TYPE_MOBILE_SUPL;
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} else if (mName.equals("dun")) {
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mType = ConnectivityManager.TYPE_MOBILE_DUN;
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} else if (mName.equals("hipri")) {
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mType = ConnectivityManager.TYPE_MOBILE_HIPRI;
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}
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mPriority = Integer.parseInt(fragments[2]);
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mLastState = NetworkInfo.State.UNKNOWN;
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}
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public boolean isDefault() {
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return (mType == mRadio);
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}
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}
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NetworkAttributes[] mNetAttributes;
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private class RadioAttributes {
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public String mName;
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public int mPriority;
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public int mSimultaneity;
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public int mType;
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public RadioAttributes(String init) {
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String fragments[] = init.split(",");
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mName = fragments[0].toLowerCase();
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mPriority = Integer.parseInt(fragments[1]);
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mSimultaneity = Integer.parseInt(fragments[2]);
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if (mName.equals("wifi")) {
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mType = ConnectivityManager.TYPE_WIFI;
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} else {
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mType = ConnectivityManager.TYPE_MOBILE;
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}
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}
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}
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RadioAttributes[] mRadioAttributes;
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private static class ConnectivityThread extends Thread {
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private Context mContext;
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private ConnectivityThread(Context context) {
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super("ConnectivityThread");
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mContext = context;
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}
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@Override
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public void run() {
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Looper.prepare();
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synchronized (this) {
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sServiceInstance = new ConnectivityService(mContext);
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notifyAll();
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}
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Looper.loop();
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}
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public static ConnectivityService getServiceInstance(Context context) {
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ConnectivityThread thread = new ConnectivityThread(context);
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thread.start();
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synchronized (thread) {
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while (sServiceInstance == null) {
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try {
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// Wait until sServiceInstance has been initialized.
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thread.wait();
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} catch (InterruptedException ignore) {
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Log.e(TAG,
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"Unexpected InterruptedException while waiting"+
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" for ConnectivityService thread");
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}
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}
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}
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return sServiceInstance;
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}
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}
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public static ConnectivityService getInstance(Context context) {
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return ConnectivityThread.getServiceInstance(context);
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}
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private ConnectivityService(Context context) {
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if (DBG) Log.v(TAG, "ConnectivityService starting up");
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mContext = context;
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mNetTrackers = new NetworkStateTracker[
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ConnectivityManager.MAX_NETWORK_TYPE+1];
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mHandler = new MyHandler();
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mNetworkPreference = getPersistedNetworkPreference();
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// Load device network attributes from resources
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mNetAttributes = new NetworkAttributes[
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ConnectivityManager.MAX_NETWORK_TYPE+1];
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mRadioAttributes = new RadioAttributes[
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ConnectivityManager.MAX_RADIO_TYPE+1];
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String[] naStrings = context.getResources().getStringArray(
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com.android.internal.R.array.networkAttributes);
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// TODO - what if the setting has gaps/unknown types?
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for (String a : naStrings) {
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NetworkAttributes n = new NetworkAttributes(a);
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mNetAttributes[n.mType] = n;
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}
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String[] raStrings = context.getResources().getStringArray(
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com.android.internal.R.array.radioAttributes);
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for (String a : raStrings) {
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RadioAttributes r = new RadioAttributes(a);
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mRadioAttributes[r.mType] = r;
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}
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// high priority first
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mPriorityList = new int[naStrings.length];
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{
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int priority = 0; //lowest
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int nextPos = naStrings.length-1;
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while (nextPos>-1) {
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for (int i = 0; i < mNetAttributes.length; i++) {
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if(mNetAttributes[i].mPriority == priority) {
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mPriorityList[nextPos--] = i;
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}
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}
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priority++;
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}
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}
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mNetRequestersPids =
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new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1];
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for (int i=0; i<=ConnectivityManager.MAX_NETWORK_TYPE; i++) {
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mNetRequestersPids[i] = new ArrayList();
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}
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mFeatureUsers = new ArrayList();
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/*
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* Create the network state trackers for Wi-Fi and mobile
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* data. Maybe this could be done with a factory class,
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* but it's not clear that it's worth it, given that
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* the number of different network types is not going
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* to change very often.
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*/
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if (DBG) Log.v(TAG, "Starting Wifi Service.");
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WifiStateTracker wst = new WifiStateTracker(context, mHandler);
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WifiService wifiService = new WifiService(context, wst);
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ServiceManager.addService(Context.WIFI_SERVICE, wifiService);
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mNetTrackers[ConnectivityManager.TYPE_WIFI] = wst;
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mNetTrackers[ConnectivityManager.TYPE_MOBILE] =
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new MobileDataStateTracker(context, mHandler,
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ConnectivityManager.TYPE_MOBILE, Phone.APN_TYPE_DEFAULT,
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"MOBILE");
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mNetTrackers[ConnectivityManager.TYPE_MOBILE_MMS] =
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new MobileDataStateTracker(context, mHandler,
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ConnectivityManager.TYPE_MOBILE_MMS, Phone.APN_TYPE_MMS,
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"MOBILE_MMS");
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mNetTrackers[ConnectivityManager.TYPE_MOBILE_SUPL] =
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new MobileDataStateTracker(context, mHandler,
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ConnectivityManager.TYPE_MOBILE_SUPL, Phone.APN_TYPE_SUPL,
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"MOBILE_SUPL");
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mNetTrackers[ConnectivityManager.TYPE_MOBILE_DUN] =
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new MobileDataStateTracker(context, mHandler,
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ConnectivityManager.TYPE_MOBILE_DUN, Phone.APN_TYPE_DUN,
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"MOBILE_DUN");
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mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI] =
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new MobileDataStateTracker(context, mHandler,
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ConnectivityManager.TYPE_MOBILE_HIPRI, Phone.APN_TYPE_HIPRI,
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"MOBILE_HIPRI");
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mNumDnsEntries = 0;
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mTestMode = SystemProperties.get("cm.test.mode").equals("true")
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&& SystemProperties.get("ro.build.type").equals("eng");
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for (NetworkStateTracker t : mNetTrackers)
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t.startMonitoring();
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// Constructing this starts it too
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mWifiWatchdogService = new WifiWatchdogService(context, wst);
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}
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/**
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* Sets the preferred network.
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* @param preference the new preference
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*/
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public synchronized void setNetworkPreference(int preference) {
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enforceChangePermission();
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if (ConnectivityManager.isNetworkTypeValid(preference) &&
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mNetAttributes[preference].isDefault()) {
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if (mNetworkPreference != preference) {
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persistNetworkPreference(preference);
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mNetworkPreference = preference;
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enforcePreference();
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}
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}
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}
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public int getNetworkPreference() {
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enforceAccessPermission();
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return mNetworkPreference;
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}
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private void persistNetworkPreference(int networkPreference) {
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final ContentResolver cr = mContext.getContentResolver();
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Settings.Secure.putInt(cr, Settings.Secure.NETWORK_PREFERENCE,
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networkPreference);
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}
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private int getPersistedNetworkPreference() {
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final ContentResolver cr = mContext.getContentResolver();
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final int networkPrefSetting = Settings.Secure
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.getInt(cr, Settings.Secure.NETWORK_PREFERENCE, -1);
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if (networkPrefSetting != -1) {
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return networkPrefSetting;
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}
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return ConnectivityManager.DEFAULT_NETWORK_PREFERENCE;
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}
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/**
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* Make the state of network connectivity conform to the preference settings
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* In this method, we only tear down a non-preferred network. Establishing
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* a connection to the preferred network is taken care of when we handle
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* the disconnect event from the non-preferred network
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* (see {@link #handleDisconnect(NetworkInfo)}).
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*/
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private void enforcePreference() {
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if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected())
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return;
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if (!mNetTrackers[mNetworkPreference].isAvailable())
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return;
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for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) {
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if (t != mNetworkPreference &&
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mNetTrackers[t].getNetworkInfo().isConnected()) {
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if (DBG) {
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Log.d(TAG, "tearing down " +
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mNetTrackers[t].getNetworkInfo() +
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" in enforcePreference");
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}
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teardown(mNetTrackers[t]);
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}
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}
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}
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private boolean teardown(NetworkStateTracker netTracker) {
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if (netTracker.teardown()) {
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netTracker.setTeardownRequested(true);
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return true;
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} else {
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return false;
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}
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}
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/**
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* Return NetworkInfo for the active (i.e., connected) network interface.
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* It is assumed that at most one network is active at a time. If more
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* than one is active, it is indeterminate which will be returned.
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* @return the info for the active network, or {@code null} if none is
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* active
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*/
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public NetworkInfo getActiveNetworkInfo() {
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enforceAccessPermission();
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for (int type=0; type <= ConnectivityManager.MAX_NETWORK_TYPE; type++) {
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if (!mNetAttributes[type].isDefault()) {
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continue;
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}
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NetworkStateTracker t = mNetTrackers[type];
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NetworkInfo info = t.getNetworkInfo();
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if (info.isConnected()) {
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if (DBG && type != mActiveDefaultNetwork) Log.e(TAG,
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"connected default network is not " +
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"mActiveDefaultNetwork!");
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return info;
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}
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}
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return null;
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}
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public NetworkInfo getNetworkInfo(int networkType) {
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enforceAccessPermission();
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if (ConnectivityManager.isNetworkTypeValid(networkType)) {
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NetworkStateTracker t = mNetTrackers[networkType];
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if (t != null)
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return t.getNetworkInfo();
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}
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return null;
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}
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public NetworkInfo[] getAllNetworkInfo() {
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enforceAccessPermission();
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NetworkInfo[] result = new NetworkInfo[mNetTrackers.length];
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int i = 0;
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for (NetworkStateTracker t : mNetTrackers) {
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result[i++] = t.getNetworkInfo();
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}
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return result;
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}
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public boolean setRadios(boolean turnOn) {
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boolean result = true;
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enforceChangePermission();
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for (NetworkStateTracker t : mNetTrackers) {
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result = t.setRadio(turnOn) && result;
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}
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return result;
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}
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public boolean setRadio(int netType, boolean turnOn) {
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enforceChangePermission();
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if (!ConnectivityManager.isNetworkTypeValid(netType)) {
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return false;
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}
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NetworkStateTracker tracker = mNetTrackers[netType];
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return tracker != null && tracker.setRadio(turnOn);
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}
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/**
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* Used to notice when the calling process dies so we can self-expire
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*
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* Also used to know if the process has cleaned up after itself when
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* our auto-expire timer goes off. The timer has a link to an object.
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*
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*/
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private class FeatureUser implements IBinder.DeathRecipient {
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int mNetworkType;
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String mFeature;
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IBinder mBinder;
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int mPid;
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int mUid;
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long mCreateTime;
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FeatureUser(int type, String feature, IBinder binder) {
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super();
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mNetworkType = type;
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mFeature = feature;
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mBinder = binder;
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mPid = getCallingPid();
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mUid = getCallingUid();
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mCreateTime = System.currentTimeMillis();
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try {
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mBinder.linkToDeath(this, 0);
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} catch (RemoteException e) {
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binderDied();
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}
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}
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void unlinkDeathRecipient() {
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mBinder.unlinkToDeath(this, 0);
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}
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public void binderDied() {
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Log.d(TAG, "ConnectivityService FeatureUser binderDied(" +
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mNetworkType + ", " + mFeature + ", " + mBinder + "), created " +
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(System.currentTimeMillis() - mCreateTime) + " mSec ago");
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stopUsingNetworkFeature(this, false);
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}
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public void expire() {
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Log.d(TAG, "ConnectivityService FeatureUser expire(" +
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mNetworkType + ", " + mFeature + ", " + mBinder +"), created " +
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(System.currentTimeMillis() - mCreateTime) + " mSec ago");
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stopUsingNetworkFeature(this, false);
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}
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public String toString() {
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return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " +
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(System.currentTimeMillis() - mCreateTime) + " mSec ago";
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}
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}
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// javadoc from interface
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public int startUsingNetworkFeature(int networkType, String feature,
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IBinder binder) {
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if (DBG) {
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Log.d(TAG, "startUsingNetworkFeature for net " + networkType +
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": " + feature);
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}
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enforceChangePermission();
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if (!ConnectivityManager.isNetworkTypeValid(networkType)) {
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return Phone.APN_REQUEST_FAILED;
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}
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FeatureUser f = new FeatureUser(networkType, feature, binder);
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// TODO - move this into the MobileDataStateTracker
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int usedNetworkType = networkType;
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if(networkType == ConnectivityManager.TYPE_MOBILE) {
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if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) {
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usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS;
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} else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) {
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usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL;
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} else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) {
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usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN;
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} else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) {
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usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI;
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}
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}
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NetworkStateTracker network = mNetTrackers[usedNetworkType];
|
|
if (network != null) {
|
|
if (usedNetworkType != networkType) {
|
|
Integer currentPid = new Integer(getCallingPid());
|
|
|
|
NetworkStateTracker radio = mNetTrackers[networkType];
|
|
NetworkInfo ni = network.getNetworkInfo();
|
|
|
|
if (ni.isAvailable() == false) {
|
|
if (DBG) Log.d(TAG, "special network not available");
|
|
return Phone.APN_TYPE_NOT_AVAILABLE;
|
|
}
|
|
|
|
synchronized(this) {
|
|
mFeatureUsers.add(f);
|
|
if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) {
|
|
// this gets used for per-pid dns when connected
|
|
mNetRequestersPids[usedNetworkType].add(currentPid);
|
|
}
|
|
}
|
|
mHandler.sendMessageDelayed(mHandler.obtainMessage(
|
|
NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK,
|
|
f), getRestoreDefaultNetworkDelay());
|
|
|
|
|
|
if ((ni.isConnectedOrConnecting() == true) &&
|
|
!network.isTeardownRequested()) {
|
|
if (ni.isConnected() == true) {
|
|
// add the pid-specific dns
|
|
handleDnsConfigurationChange();
|
|
if (DBG) Log.d(TAG, "special network already active");
|
|
return Phone.APN_ALREADY_ACTIVE;
|
|
}
|
|
if (DBG) Log.d(TAG, "special network already connecting");
|
|
return Phone.APN_REQUEST_STARTED;
|
|
}
|
|
|
|
// check if the radio in play can make another contact
|
|
// assume if cannot for now
|
|
|
|
if (DBG) Log.d(TAG, "reconnecting to special network");
|
|
network.reconnect();
|
|
return Phone.APN_REQUEST_STARTED;
|
|
} else {
|
|
synchronized(this) {
|
|
mFeatureUsers.add(f);
|
|
}
|
|
mHandler.sendMessageDelayed(mHandler.obtainMessage(
|
|
NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK,
|
|
f), getRestoreDefaultNetworkDelay());
|
|
|
|
return network.startUsingNetworkFeature(feature,
|
|
getCallingPid(), getCallingUid());
|
|
}
|
|
}
|
|
return Phone.APN_TYPE_NOT_AVAILABLE;
|
|
}
|
|
|
|
// javadoc from interface
|
|
public int stopUsingNetworkFeature(int networkType, String feature) {
|
|
int pid = getCallingPid();
|
|
int uid = getCallingUid();
|
|
|
|
FeatureUser u = null;
|
|
boolean found = false;
|
|
|
|
synchronized(this) {
|
|
for (int i = 0; i < mFeatureUsers.size() ; i++) {
|
|
u = (FeatureUser)mFeatureUsers.get(i);
|
|
if (uid == u.mUid && pid == u.mPid &&
|
|
networkType == u.mNetworkType &&
|
|
TextUtils.equals(feature, u.mFeature)) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (found && u != null) {
|
|
// stop regardless of how many other time this proc had called start
|
|
return stopUsingNetworkFeature(u, true);
|
|
} else {
|
|
// none found!
|
|
if (DBG) Log.d(TAG, "ignoring stopUsingNetworkFeature - not a live request");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) {
|
|
int networkType = u.mNetworkType;
|
|
String feature = u.mFeature;
|
|
int pid = u.mPid;
|
|
int uid = u.mUid;
|
|
|
|
NetworkStateTracker tracker = null;
|
|
boolean callTeardown = false; // used to carry our decision outside of sync block
|
|
|
|
if (DBG) {
|
|
Log.d(TAG, "stopUsingNetworkFeature for net " + networkType +
|
|
": " + feature);
|
|
}
|
|
enforceChangePermission();
|
|
if (!ConnectivityManager.isNetworkTypeValid(networkType)) {
|
|
return -1;
|
|
}
|
|
|
|
// need to link the mFeatureUsers list with the mNetRequestersPids state in this
|
|
// sync block
|
|
synchronized(this) {
|
|
// check if this process still has an outstanding start request
|
|
if (!mFeatureUsers.contains(u)) {
|
|
return 1;
|
|
}
|
|
u.unlinkDeathRecipient();
|
|
mFeatureUsers.remove(mFeatureUsers.indexOf(u));
|
|
// If we care about duplicate requests, check for that here.
|
|
//
|
|
// This is done to support the extension of a request - the app
|
|
// can request we start the network feature again and renew the
|
|
// auto-shutoff delay. Normal "stop" calls from the app though
|
|
// do not pay attention to duplicate requests - in effect the
|
|
// API does not refcount and a single stop will counter multiple starts.
|
|
if (ignoreDups == false) {
|
|
for (int i = 0; i < mFeatureUsers.size() ; i++) {
|
|
FeatureUser x = (FeatureUser)mFeatureUsers.get(i);
|
|
if (x.mUid == u.mUid && x.mPid == u.mPid &&
|
|
x.mNetworkType == u.mNetworkType &&
|
|
TextUtils.equals(x.mFeature, u.mFeature)) {
|
|
if (DBG) Log.d(TAG, "ignoring stopUsingNetworkFeature as dup is found");
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO - move to MobileDataStateTracker
|
|
int usedNetworkType = networkType;
|
|
if (networkType == ConnectivityManager.TYPE_MOBILE) {
|
|
if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) {
|
|
usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS;
|
|
} else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) {
|
|
usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL;
|
|
} else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN)) {
|
|
usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN;
|
|
} else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) {
|
|
usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI;
|
|
}
|
|
}
|
|
tracker = mNetTrackers[usedNetworkType];
|
|
if(usedNetworkType != networkType) {
|
|
Integer currentPid = new Integer(pid);
|
|
mNetRequestersPids[usedNetworkType].remove(currentPid);
|
|
reassessPidDns(pid, true);
|
|
if (mNetRequestersPids[usedNetworkType].size() != 0) {
|
|
if (DBG) Log.d(TAG, "not tearing down special network - " +
|
|
"others still using it");
|
|
return 1;
|
|
}
|
|
callTeardown = true;
|
|
}
|
|
}
|
|
|
|
if (callTeardown) {
|
|
tracker.teardown();
|
|
return 1;
|
|
} else {
|
|
// do it the old fashioned way
|
|
return tracker.stopUsingNetworkFeature(feature, pid, uid);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure that a network route exists to deliver traffic to the specified
|
|
* host via the specified network interface.
|
|
* @param networkType the type of the network over which traffic to the
|
|
* specified host is to be routed
|
|
* @param hostAddress the IP address of the host to which the route is
|
|
* desired
|
|
* @return {@code true} on success, {@code false} on failure
|
|
*/
|
|
public boolean requestRouteToHost(int networkType, int hostAddress) {
|
|
enforceChangePermission();
|
|
if (!ConnectivityManager.isNetworkTypeValid(networkType)) {
|
|
return false;
|
|
}
|
|
NetworkStateTracker tracker = mNetTrackers[networkType];
|
|
|
|
if (!tracker.getNetworkInfo().isConnected() || tracker.isTeardownRequested()) {
|
|
if (DBG) {
|
|
Log.d(TAG, "requestRouteToHost on down network (" + networkType + " - dropped");
|
|
}
|
|
return false;
|
|
}
|
|
return tracker.requestRouteToHost(hostAddress);
|
|
}
|
|
|
|
/**
|
|
* @see ConnectivityManager#getBackgroundDataSetting()
|
|
*/
|
|
public boolean getBackgroundDataSetting() {
|
|
return Settings.Secure.getInt(mContext.getContentResolver(),
|
|
Settings.Secure.BACKGROUND_DATA, 1) == 1;
|
|
}
|
|
|
|
/**
|
|
* @see ConnectivityManager#setBackgroundDataSetting(boolean)
|
|
*/
|
|
public void setBackgroundDataSetting(boolean allowBackgroundDataUsage) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_BACKGROUND_DATA_SETTING,
|
|
"ConnectivityService");
|
|
|
|
if (getBackgroundDataSetting() == allowBackgroundDataUsage) return;
|
|
|
|
Settings.Secure.putInt(mContext.getContentResolver(),
|
|
Settings.Secure.BACKGROUND_DATA,
|
|
allowBackgroundDataUsage ? 1 : 0);
|
|
|
|
Intent broadcast = new Intent(
|
|
ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED);
|
|
mContext.sendBroadcast(broadcast);
|
|
}
|
|
|
|
private int getNumConnectedNetworks() {
|
|
int numConnectedNets = 0;
|
|
|
|
for (NetworkStateTracker nt : mNetTrackers) {
|
|
if (nt.getNetworkInfo().isConnected() &&
|
|
!nt.isTeardownRequested()) {
|
|
++numConnectedNets;
|
|
}
|
|
}
|
|
return numConnectedNets;
|
|
}
|
|
|
|
private void enforceAccessPermission() {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE,
|
|
"ConnectivityService");
|
|
}
|
|
|
|
private void enforceChangePermission() {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE,
|
|
"ConnectivityService");
|
|
}
|
|
|
|
/**
|
|
* Handle a {@code DISCONNECTED} event. If this pertains to the non-active
|
|
* network, we ignore it. If it is for the active network, we send out a
|
|
* broadcast. But first, we check whether it might be possible to connect
|
|
* to a different network.
|
|
* @param info the {@code NetworkInfo} for the network
|
|
*/
|
|
private void handleDisconnect(NetworkInfo info) {
|
|
|
|
int prevNetType = info.getType();
|
|
|
|
mNetTrackers[prevNetType].setTeardownRequested(false);
|
|
/*
|
|
* If the disconnected network is not the active one, then don't report
|
|
* this as a loss of connectivity. What probably happened is that we're
|
|
* getting the disconnect for a network that we explicitly disabled
|
|
* in accordance with network preference policies.
|
|
*/
|
|
if (!mNetAttributes[prevNetType].isDefault()) {
|
|
List pids = mNetRequestersPids[prevNetType];
|
|
for (int i = 0; i<pids.size(); i++) {
|
|
Integer pid = (Integer)pids.get(i);
|
|
// will remove them because the net's no longer connected
|
|
// need to do this now as only now do we know the pids and
|
|
// can properly null things that are no longer referenced.
|
|
reassessPidDns(pid.intValue(), false);
|
|
}
|
|
}
|
|
|
|
Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION);
|
|
intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info);
|
|
if (info.isFailover()) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true);
|
|
info.setFailover(false);
|
|
}
|
|
if (info.getReason() != null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason());
|
|
}
|
|
if (info.getExtraInfo() != null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO,
|
|
info.getExtraInfo());
|
|
}
|
|
|
|
NetworkStateTracker newNet = null;
|
|
if (mNetAttributes[prevNetType].isDefault()) {
|
|
newNet = tryFailover(prevNetType);
|
|
if (newNet != null) {
|
|
NetworkInfo switchTo = newNet.getNetworkInfo();
|
|
intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo);
|
|
} else {
|
|
intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true);
|
|
}
|
|
}
|
|
// do this before we broadcast the change
|
|
handleConnectivityChange();
|
|
|
|
sendStickyBroadcast(intent);
|
|
/*
|
|
* If the failover network is already connected, then immediately send
|
|
* out a followup broadcast indicating successful failover
|
|
*/
|
|
if (newNet != null && newNet.getNetworkInfo().isConnected()) {
|
|
sendConnectedBroadcast(newNet.getNetworkInfo());
|
|
}
|
|
}
|
|
|
|
// returns null if no failover available
|
|
private NetworkStateTracker tryFailover(int prevNetType) {
|
|
/*
|
|
* If this is a default network, check if other defaults are available
|
|
* or active
|
|
*/
|
|
NetworkStateTracker newNet = null;
|
|
if (mNetAttributes[prevNetType].isDefault()) {
|
|
if (mActiveDefaultNetwork == prevNetType) {
|
|
mActiveDefaultNetwork = -1;
|
|
}
|
|
|
|
int newType = -1;
|
|
int newPriority = -1;
|
|
for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) {
|
|
if (checkType == prevNetType) {
|
|
continue;
|
|
}
|
|
if (mNetAttributes[checkType].isDefault()) {
|
|
/* TODO - if we have multiple nets we could use
|
|
* we may want to put more thought into which we choose
|
|
*/
|
|
if (checkType == mNetworkPreference) {
|
|
newType = checkType;
|
|
break;
|
|
}
|
|
if (mRadioAttributes[mNetAttributes[checkType].mRadio].
|
|
mPriority > newPriority) {
|
|
newType = checkType;
|
|
newPriority = mRadioAttributes[mNetAttributes[newType].mRadio].mPriority;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (newType != -1) {
|
|
newNet = mNetTrackers[newType];
|
|
/**
|
|
* See if the other network is available to fail over to.
|
|
* If is not available, we enable it anyway, so that it
|
|
* will be able to connect when it does become available,
|
|
* but we report a total loss of connectivity rather than
|
|
* report that we are attempting to fail over.
|
|
*/
|
|
if (newNet.isAvailable()) {
|
|
NetworkInfo switchTo = newNet.getNetworkInfo();
|
|
switchTo.setFailover(true);
|
|
if (!switchTo.isConnectedOrConnecting() ||
|
|
newNet.isTeardownRequested()) {
|
|
newNet.reconnect();
|
|
}
|
|
if (DBG) {
|
|
if (switchTo.isConnected()) {
|
|
Log.v(TAG, "Switching to already connected " +
|
|
switchTo.getTypeName());
|
|
} else {
|
|
Log.v(TAG, "Attempting to switch to " +
|
|
switchTo.getTypeName());
|
|
}
|
|
}
|
|
} else {
|
|
newNet.reconnect();
|
|
}
|
|
}
|
|
}
|
|
|
|
return newNet;
|
|
}
|
|
|
|
private void sendConnectedBroadcast(NetworkInfo info) {
|
|
Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION);
|
|
intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info);
|
|
if (info.isFailover()) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true);
|
|
info.setFailover(false);
|
|
}
|
|
if (info.getReason() != null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason());
|
|
}
|
|
if (info.getExtraInfo() != null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO,
|
|
info.getExtraInfo());
|
|
}
|
|
sendStickyBroadcast(intent);
|
|
}
|
|
|
|
/**
|
|
* Called when an attempt to fail over to another network has failed.
|
|
* @param info the {@link NetworkInfo} for the failed network
|
|
*/
|
|
private void handleConnectionFailure(NetworkInfo info) {
|
|
mNetTrackers[info.getType()].setTeardownRequested(false);
|
|
|
|
String reason = info.getReason();
|
|
String extraInfo = info.getExtraInfo();
|
|
|
|
if (DBG) {
|
|
String reasonText;
|
|
if (reason == null) {
|
|
reasonText = ".";
|
|
} else {
|
|
reasonText = " (" + reason + ").";
|
|
}
|
|
Log.v(TAG, "Attempt to connect to " + info.getTypeName() +
|
|
" failed" + reasonText);
|
|
}
|
|
|
|
Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION);
|
|
intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info);
|
|
if (getActiveNetworkInfo() == null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true);
|
|
}
|
|
if (reason != null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_REASON, reason);
|
|
}
|
|
if (extraInfo != null) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo);
|
|
}
|
|
if (info.isFailover()) {
|
|
intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true);
|
|
info.setFailover(false);
|
|
}
|
|
|
|
NetworkStateTracker newNet = null;
|
|
if (mNetAttributes[info.getType()].isDefault()) {
|
|
newNet = tryFailover(info.getType());
|
|
if (newNet != null) {
|
|
NetworkInfo switchTo = newNet.getNetworkInfo();
|
|
intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo);
|
|
} else {
|
|
intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true);
|
|
}
|
|
}
|
|
|
|
// do this before we broadcast the change
|
|
handleConnectivityChange();
|
|
|
|
sendStickyBroadcast(intent);
|
|
/*
|
|
* If the failover network is already connected, then immediately send
|
|
* out a followup broadcast indicating successful failover
|
|
*/
|
|
if (newNet != null && newNet.getNetworkInfo().isConnected()) {
|
|
sendConnectedBroadcast(newNet.getNetworkInfo());
|
|
}
|
|
}
|
|
|
|
private void sendStickyBroadcast(Intent intent) {
|
|
synchronized(this) {
|
|
if (mSystemReady) {
|
|
mContext.sendStickyBroadcast(intent);
|
|
} else {
|
|
if (mDeferredBroadcasts == null) {
|
|
mDeferredBroadcasts = new ArrayList<Intent>();
|
|
}
|
|
mDeferredBroadcasts.add(intent);
|
|
}
|
|
}
|
|
}
|
|
|
|
void systemReady() {
|
|
synchronized(this) {
|
|
mSystemReady = true;
|
|
if (mDeferredBroadcasts != null) {
|
|
int count = mDeferredBroadcasts.size();
|
|
for (int i = 0; i < count; i++) {
|
|
mContext.sendStickyBroadcast(mDeferredBroadcasts.get(i));
|
|
}
|
|
mDeferredBroadcasts = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void handleConnect(NetworkInfo info) {
|
|
int type = info.getType();
|
|
|
|
// snapshot isFailover, because sendConnectedBroadcast() resets it
|
|
boolean isFailover = info.isFailover();
|
|
NetworkStateTracker thisNet = mNetTrackers[type];
|
|
|
|
// if this is a default net and other default is running
|
|
// kill the one not preferred
|
|
if (mNetAttributes[type].isDefault()) {
|
|
if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) {
|
|
if ((type != mNetworkPreference &&
|
|
mNetAttributes[mActiveDefaultNetwork].mPriority >
|
|
mNetAttributes[type].mPriority) ||
|
|
mNetworkPreference == mActiveDefaultNetwork) {
|
|
// don't accept this one
|
|
if (DBG) Log.v(TAG, "Not broadcasting CONNECT_ACTION " +
|
|
"to torn down network " + info.getTypeName());
|
|
teardown(thisNet);
|
|
return;
|
|
} else {
|
|
// tear down the other
|
|
NetworkStateTracker otherNet =
|
|
mNetTrackers[mActiveDefaultNetwork];
|
|
if (DBG) Log.v(TAG, "Policy requires " +
|
|
otherNet.getNetworkInfo().getTypeName() +
|
|
" teardown");
|
|
if (!teardown(otherNet)) {
|
|
Log.e(TAG, "Network declined teardown request");
|
|
return;
|
|
}
|
|
if (isFailover) {
|
|
otherNet.releaseWakeLock();
|
|
}
|
|
}
|
|
}
|
|
mActiveDefaultNetwork = type;
|
|
}
|
|
thisNet.setTeardownRequested(false);
|
|
thisNet.updateNetworkSettings();
|
|
handleConnectivityChange();
|
|
sendConnectedBroadcast(info);
|
|
}
|
|
|
|
private void handleScanResultsAvailable(NetworkInfo info) {
|
|
int networkType = info.getType();
|
|
if (networkType != ConnectivityManager.TYPE_WIFI) {
|
|
if (DBG) Log.v(TAG, "Got ScanResultsAvailable for " +
|
|
info.getTypeName() + " network. Don't know how to handle.");
|
|
}
|
|
|
|
mNetTrackers[networkType].interpretScanResultsAvailable();
|
|
}
|
|
|
|
private void handleNotificationChange(boolean visible, int id,
|
|
Notification notification) {
|
|
NotificationManager notificationManager = (NotificationManager) mContext
|
|
.getSystemService(Context.NOTIFICATION_SERVICE);
|
|
|
|
if (visible) {
|
|
notificationManager.notify(id, notification);
|
|
} else {
|
|
notificationManager.cancel(id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* After any kind of change in the connectivity state of any network,
|
|
* make sure that anything that depends on the connectivity state of
|
|
* more than one network is set up correctly. We're mainly concerned
|
|
* with making sure that the list of DNS servers is set up according
|
|
* to which networks are connected, and ensuring that the right routing
|
|
* table entries exist.
|
|
*/
|
|
private void handleConnectivityChange() {
|
|
/*
|
|
* If a non-default network is enabled, add the host routes that
|
|
* will allow it's DNS servers to be accessed. Only
|
|
* If both mobile and wifi are enabled, add the host routes that
|
|
* will allow MMS traffic to pass on the mobile network. But
|
|
* remove the default route for the mobile network, so that there
|
|
* will be only one default route, to ensure that all traffic
|
|
* except MMS will travel via Wi-Fi.
|
|
*/
|
|
handleDnsConfigurationChange();
|
|
|
|
for (int netType : mPriorityList) {
|
|
if (mNetTrackers[netType].getNetworkInfo().isConnected()) {
|
|
if (mNetAttributes[netType].isDefault()) {
|
|
mNetTrackers[netType].addDefaultRoute();
|
|
} else {
|
|
mNetTrackers[netType].addPrivateDnsRoutes();
|
|
}
|
|
} else {
|
|
if (mNetAttributes[netType].isDefault()) {
|
|
mNetTrackers[netType].removeDefaultRoute();
|
|
} else {
|
|
mNetTrackers[netType].removePrivateDnsRoutes();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adjust the per-process dns entries (net.dns<x>.<pid>) based
|
|
* on the highest priority active net which this process requested.
|
|
* If there aren't any, clear it out
|
|
*/
|
|
private void reassessPidDns(int myPid, boolean doBump)
|
|
{
|
|
if (DBG) Log.d(TAG, "reassessPidDns for pid " + myPid);
|
|
for(int i : mPriorityList) {
|
|
if (mNetAttributes[i].isDefault()) {
|
|
continue;
|
|
}
|
|
NetworkStateTracker nt = mNetTrackers[i];
|
|
if (nt.getNetworkInfo().isConnected() &&
|
|
!nt.isTeardownRequested()) {
|
|
List pids = mNetRequestersPids[i];
|
|
for (int j=0; j<pids.size(); j++) {
|
|
Integer pid = (Integer)pids.get(j);
|
|
if (pid.intValue() == myPid) {
|
|
String[] dnsList = nt.getNameServers();
|
|
writePidDns(dnsList, myPid);
|
|
if (doBump) {
|
|
bumpDns();
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// nothing found - delete
|
|
for (int i = 1; ; i++) {
|
|
String prop = "net.dns" + i + "." + myPid;
|
|
if (SystemProperties.get(prop).length() == 0) {
|
|
if (doBump) {
|
|
bumpDns();
|
|
}
|
|
return;
|
|
}
|
|
SystemProperties.set(prop, "");
|
|
}
|
|
}
|
|
|
|
private void writePidDns(String[] dnsList, int pid) {
|
|
int j = 1;
|
|
for (String dns : dnsList) {
|
|
if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) {
|
|
SystemProperties.set("net.dns" + j++ + "." + pid, dns);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void bumpDns() {
|
|
/*
|
|
* Bump the property that tells the name resolver library to reread
|
|
* the DNS server list from the properties.
|
|
*/
|
|
String propVal = SystemProperties.get("net.dnschange");
|
|
int n = 0;
|
|
if (propVal.length() != 0) {
|
|
try {
|
|
n = Integer.parseInt(propVal);
|
|
} catch (NumberFormatException e) {}
|
|
}
|
|
SystemProperties.set("net.dnschange", "" + (n+1));
|
|
}
|
|
|
|
private void handleDnsConfigurationChange() {
|
|
// add default net's dns entries
|
|
for (int x = mPriorityList.length-1; x>= 0; x--) {
|
|
int netType = mPriorityList[x];
|
|
NetworkStateTracker nt = mNetTrackers[netType];
|
|
if (nt != null && nt.getNetworkInfo().isConnected() &&
|
|
!nt.isTeardownRequested()) {
|
|
String[] dnsList = nt.getNameServers();
|
|
if (mNetAttributes[netType].isDefault()) {
|
|
int j = 1;
|
|
for (String dns : dnsList) {
|
|
if (dns != null && !TextUtils.equals(dns, "0.0.0.0")) {
|
|
if (DBG) {
|
|
Log.d(TAG, "adding dns " + dns + " for " +
|
|
nt.getNetworkInfo().getTypeName());
|
|
}
|
|
SystemProperties.set("net.dns" + j++, dns);
|
|
}
|
|
}
|
|
for (int k=j ; k<mNumDnsEntries; k++) {
|
|
if (DBG) Log.d(TAG, "erasing net.dns" + k);
|
|
SystemProperties.set("net.dns" + k, "");
|
|
}
|
|
mNumDnsEntries = j;
|
|
} else {
|
|
// set per-pid dns for attached secondary nets
|
|
List pids = mNetRequestersPids[netType];
|
|
for (int y=0; y< pids.size(); y++) {
|
|
Integer pid = (Integer)pids.get(y);
|
|
writePidDns(dnsList, pid.intValue());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bumpDns();
|
|
}
|
|
|
|
private int getRestoreDefaultNetworkDelay() {
|
|
String restoreDefaultNetworkDelayStr = SystemProperties.get(
|
|
NETWORK_RESTORE_DELAY_PROP_NAME);
|
|
if(restoreDefaultNetworkDelayStr != null &&
|
|
restoreDefaultNetworkDelayStr.length() != 0) {
|
|
try {
|
|
return Integer.valueOf(restoreDefaultNetworkDelayStr);
|
|
} catch (NumberFormatException e) {
|
|
}
|
|
}
|
|
return RESTORE_DEFAULT_NETWORK_DELAY;
|
|
}
|
|
|
|
@Override
|
|
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
|
|
if (mContext.checkCallingOrSelfPermission(
|
|
android.Manifest.permission.DUMP)
|
|
!= PackageManager.PERMISSION_GRANTED) {
|
|
pw.println("Permission Denial: can't dump ConnectivityService " +
|
|
"from from pid=" + Binder.getCallingPid() + ", uid=" +
|
|
Binder.getCallingUid());
|
|
return;
|
|
}
|
|
pw.println();
|
|
for (NetworkStateTracker nst : mNetTrackers) {
|
|
if (nst != null) {
|
|
if (nst.getNetworkInfo().isConnected()) {
|
|
pw.println("Active network: " + nst.getNetworkInfo().
|
|
getTypeName());
|
|
}
|
|
pw.println(nst.getNetworkInfo());
|
|
pw.println(nst);
|
|
pw.println();
|
|
}
|
|
}
|
|
|
|
pw.println("Network Requester Pids:");
|
|
for (int net : mPriorityList) {
|
|
String pidString = net + ": ";
|
|
for (Object pid : mNetRequestersPids[net]) {
|
|
pidString = pidString + pid.toString() + ", ";
|
|
}
|
|
pw.println(pidString);
|
|
}
|
|
pw.println();
|
|
|
|
pw.println("FeatureUsers:");
|
|
for (Object requester : mFeatureUsers) {
|
|
pw.println(requester.toString());
|
|
}
|
|
pw.println();
|
|
}
|
|
|
|
// must be stateless - things change under us.
|
|
private class MyHandler extends Handler {
|
|
@Override
|
|
public void handleMessage(Message msg) {
|
|
NetworkInfo info;
|
|
switch (msg.what) {
|
|
case NetworkStateTracker.EVENT_STATE_CHANGED:
|
|
info = (NetworkInfo) msg.obj;
|
|
int type = info.getType();
|
|
NetworkInfo.State state = info.getState();
|
|
// only do this optimization for wifi. It going into scan mode for location
|
|
// services generates alot of noise. Meanwhile the mms apn won't send out
|
|
// subsequent notifications when on default cellular because it never
|
|
// disconnects.. so only do this to wifi notifications. Fixed better when the
|
|
// APN notifications are standardized.
|
|
if (mNetAttributes[type].mLastState == state &&
|
|
mNetAttributes[type].mRadio == ConnectivityManager.TYPE_WIFI) {
|
|
if (DBG) {
|
|
// TODO - remove this after we validate the dropping doesn't break
|
|
// anything
|
|
Log.d(TAG, "Dropping ConnectivityChange for " +
|
|
info.getTypeName() + ": " +
|
|
state + "/" + info.getDetailedState());
|
|
}
|
|
return;
|
|
}
|
|
mNetAttributes[type].mLastState = state;
|
|
|
|
if (DBG) Log.d(TAG, "ConnectivityChange for " +
|
|
info.getTypeName() + ": " +
|
|
state + "/" + info.getDetailedState());
|
|
|
|
// Connectivity state changed:
|
|
// [31-13] Reserved for future use
|
|
// [12-9] Network subtype (for mobile network, as defined
|
|
// by TelephonyManager)
|
|
// [8-3] Detailed state ordinal (as defined by
|
|
// NetworkInfo.DetailedState)
|
|
// [2-0] Network type (as defined by ConnectivityManager)
|
|
int eventLogParam = (info.getType() & 0x7) |
|
|
((info.getDetailedState().ordinal() & 0x3f) << 3) |
|
|
(info.getSubtype() << 9);
|
|
EventLog.writeEvent(EVENTLOG_CONNECTIVITY_STATE_CHANGED,
|
|
eventLogParam);
|
|
|
|
if (info.getDetailedState() ==
|
|
NetworkInfo.DetailedState.FAILED) {
|
|
handleConnectionFailure(info);
|
|
} else if (state == NetworkInfo.State.DISCONNECTED) {
|
|
handleDisconnect(info);
|
|
} else if (state == NetworkInfo.State.SUSPENDED) {
|
|
// TODO: need to think this over.
|
|
// the logic here is, handle SUSPENDED the same as
|
|
// DISCONNECTED. The only difference being we are
|
|
// broadcasting an intent with NetworkInfo that's
|
|
// suspended. This allows the applications an
|
|
// opportunity to handle DISCONNECTED and SUSPENDED
|
|
// differently, or not.
|
|
handleDisconnect(info);
|
|
} else if (state == NetworkInfo.State.CONNECTED) {
|
|
handleConnect(info);
|
|
}
|
|
break;
|
|
|
|
case NetworkStateTracker.EVENT_SCAN_RESULTS_AVAILABLE:
|
|
info = (NetworkInfo) msg.obj;
|
|
handleScanResultsAvailable(info);
|
|
break;
|
|
|
|
case NetworkStateTracker.EVENT_NOTIFICATION_CHANGED:
|
|
handleNotificationChange(msg.arg1 == 1, msg.arg2,
|
|
(Notification) msg.obj);
|
|
|
|
case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED:
|
|
handleDnsConfigurationChange();
|
|
break;
|
|
|
|
case NetworkStateTracker.EVENT_ROAMING_CHANGED:
|
|
// fill me in
|
|
break;
|
|
|
|
case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED:
|
|
// fill me in
|
|
break;
|
|
case NetworkStateTracker.EVENT_RESTORE_DEFAULT_NETWORK:
|
|
FeatureUser u = (FeatureUser)msg.obj;
|
|
u.expire();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|