SipService.java revision 9dbe2c72276b9968593054dcfd39fd5135a574aa
19c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan/*
29c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * Copyright (C) 2010, The Android Open Source Project
39c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan *
49c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * Licensed under the Apache License, Version 2.0 (the "License");
59c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * you may not use this file except in compliance with the License.
69c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * You may obtain a copy of the License at
79c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan *
89c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan *     http://www.apache.org/licenses/LICENSE-2.0
99c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan *
109c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * Unless required by applicable law or agreed to in writing, software
119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * distributed under the License is distributed on an "AS IS" BASIS,
129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * See the License for the specific language governing permissions and
149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * limitations under the License.
159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan */
169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanpackage com.android.server.sip;
189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
199c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.app.AlarmManager;
209c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.app.PendingIntent;
219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.content.BroadcastReceiver;
229c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.content.Context;
239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.content.Intent;
249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.content.IntentFilter;
259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.ConnectivityManager;
269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.NetworkInfo;
279c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.ISipService;
289c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.ISipSession;
299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.ISipSessionListener;
309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.SipErrorCode;
319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.SipManager;
329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.SipProfile;
339c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.SipSession;
349c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.sip.SipSessionAdapter;
359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.net.wifi.WifiManager;
369c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.Binder;
379c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.Bundle;
389c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.Handler;
399c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.HandlerThread;
409c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.Looper;
419c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.Message;
42257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyanimport android.os.PowerManager;
43a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyanimport android.os.Process;
449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.RemoteException;
459c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.ServiceManager;
469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.os.SystemClock;
479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.text.TextUtils;
489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport android.util.Log;
499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.io.IOException;
519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.net.DatagramSocket;
529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.net.InetAddress;
539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.net.UnknownHostException;
54a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyanimport java.util.ArrayList;
559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.Collection;
569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.Comparator;
579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.HashMap;
589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.Iterator;
599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.Map;
609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.Timer;
619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.TimerTask;
629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport java.util.TreeSet;
634cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyanimport java.util.concurrent.Executor;
649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanimport javax.sip.SipException;
659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
669c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan/**
679c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan * @hide
689c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan */
699c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyanpublic final class SipService extends ISipService.Stub {
70acedadc1967457ac2f8981c67f884fd8c0ee853cHung-ying Tyan    static final String TAG = "SipService";
71acedadc1967457ac2f8981c67f884fd8c0ee853cHung-ying Tyan    static final boolean DEBUGV = false;
728a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    static final boolean DEBUG = true;
739c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private static final int EXPIRY_TIME = 3600;
749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private static final int SHORT_EXPIRY_TIME = 10;
759c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private static final int MIN_EXPIRY_TIME = 60;
768a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    private static final int DEFAULT_KEEPALIVE_INTERVAL = 10; // in seconds
779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private Context mContext;
799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private String mLocalIp;
809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private String mNetworkType;
819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private boolean mConnected;
824cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan    private SipWakeupTimer mTimer;
8387e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    private WifiScanProcess mWifiScanProcess;
849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private WifiManager.WifiLock mWifiLock;
859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private boolean mWifiOnly;
86469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang    private IntervalMeasurementProcess mIntervalMeasurementProcess;
879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
884cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan    private MyExecutor mExecutor = new MyExecutor();
899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    // SipProfile URI --> group
919c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private Map<String, SipSessionGroupExt> mSipGroups =
929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            new HashMap<String, SipSessionGroupExt>();
939c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
949c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    // session ID --> session
959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private Map<String, ISipSession> mPendingSessions =
969c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            new HashMap<String, ISipSession>();
979c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
989c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private ConnectivityReceiver mConnectivityReceiver;
999abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan    private boolean mWifiEnabled;
100acedadc1967457ac2f8981c67f884fd8c0ee853cHung-ying Tyan    private SipWakeLock mMyWakeLock;
101469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang    private int mKeepAliveInterval;
1029c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    /**
1049c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan     * Starts the SIP service. Do nothing if the SIP API is not supported on the
1059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan     * device.
1069c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan     */
1079c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public static void start(Context context) {
1089c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (SipManager.isApiSupported(context)) {
1099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            ServiceManager.addService("sip", new SipService(context));
11022523a59d879cf47f1e9c202d001d569fad4f69eHung-ying Tyan            context.sendBroadcast(new Intent(SipManager.ACTION_SIP_SERVICE_UP));
111dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan            if (DEBUG) Log.d(TAG, "SIP service started");
1129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
1139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
1149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private SipService(Context context) {
1169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (DEBUG) Log.d(TAG, " service started!");
1179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        mContext = context;
1189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        mConnectivityReceiver = new ConnectivityReceiver();
119acedadc1967457ac2f8981c67f884fd8c0ee853cHung-ying Tyan        mMyWakeLock = new SipWakeLock((PowerManager)
120257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                context.getSystemService(Context.POWER_SERVICE));
1219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1224cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan        mTimer = new SipWakeupTimer(context, mExecutor);
1239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        mWifiOnly = SipManager.isSipWifiOnly(context);
1249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
1259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
126dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan    private BroadcastReceiver mWifiStateReceiver = new BroadcastReceiver() {
127f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang        @Override
128f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang        public void onReceive(Context context, Intent intent) {
129f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang            String action = intent.getAction();
1309abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan            if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(action)) {
1319abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                int state = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,
1329abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                        WifiManager.WIFI_STATE_UNKNOWN);
1339abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                synchronized (SipService.this) {
1349abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                    switch (state) {
1359abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                        case WifiManager.WIFI_STATE_ENABLED:
1369abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                            mWifiEnabled = true;
137617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan                            if (anyOpenedToReceiveCalls()) grabWifiLock();
1389abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                            break;
1399abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                        case WifiManager.WIFI_STATE_DISABLED:
1409abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                            mWifiEnabled = false;
1419abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                            releaseWifiLock();
1429abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                            break;
1439abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                    }
1449abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                }
145f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang            }
146f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang        }
147f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang    };
148f452fd81f1a308428b0bfbae883fddb9caced878Chung-yih Wang
149dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan    private void registerReceivers() {
150dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        mContext.registerReceiver(mConnectivityReceiver,
151dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan                new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
152dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        mContext.registerReceiver(mWifiStateReceiver,
153dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan                new IntentFilter(WifiManager.WIFI_STATE_CHANGED_ACTION));
154dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        if (DEBUG) Log.d(TAG, " +++ register receivers");
155dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan    }
156dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan
157dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan    private void unregisterReceivers() {
158dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        mContext.unregisterReceiver(mConnectivityReceiver);
159dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        mContext.unregisterReceiver(mWifiStateReceiver);
160dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        if (DEBUG) Log.d(TAG, " --- unregister receivers");
161dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan    }
162dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan
1639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized SipProfile[] getListOfProfiles() {
1648127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
1658127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
166a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        boolean isCallerRadio = isCallerRadio();
167a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        ArrayList<SipProfile> profiles = new ArrayList<SipProfile>();
1689c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        for (SipSessionGroupExt group : mSipGroups.values()) {
169a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            if (isCallerRadio || isCallerCreator(group)) {
170a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan                profiles.add(group.getLocalProfile());
171a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            }
1729c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
173a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        return profiles.toArray(new SipProfile[profiles.size()]);
1749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
1759c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
176dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan    public synchronized void open(SipProfile localProfile) {
1778127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
1788127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
1799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        localProfile.setCallingUid(Binder.getCallingUid());
1809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        try {
181dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan            boolean addingFirstProfile = mSipGroups.isEmpty();
1829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            createGroup(localProfile);
183dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan            if (addingFirstProfile && !mSipGroups.isEmpty()) registerReceivers();
1849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } catch (SipException e) {
1859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            Log.e(TAG, "openToMakeCalls()", e);
1869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            // TODO: how to send the exception back
1879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
1889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
1899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized void open3(SipProfile localProfile,
191845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            PendingIntent incomingCallPendingIntent,
192845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            ISipSessionListener listener) {
1938127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
1948127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
1959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        localProfile.setCallingUid(Binder.getCallingUid());
196845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan        if (incomingCallPendingIntent == null) {
197845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            Log.w(TAG, "incomingCallPendingIntent cannot be null; "
198845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    + "the profile is not opened");
199a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            return;
2009c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
2019c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (DEBUG) Log.d(TAG, "open3: " + localProfile.getUriString() + ": "
202845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                + incomingCallPendingIntent + ": " + listener);
2039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        try {
204dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan            boolean addingFirstProfile = mSipGroups.isEmpty();
2059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            SipSessionGroupExt group = createGroup(localProfile,
206845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    incomingCallPendingIntent, listener);
207dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan            if (addingFirstProfile && !mSipGroups.isEmpty()) registerReceivers();
2089c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (localProfile.getAutoRegistration()) {
2099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                group.openToReceiveCalls();
2109abf73f1bde7b1617603c888650dbda9d6a7fddfHung-ying Tyan                if (mWifiEnabled) grabWifiLock();
2119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
2129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } catch (SipException e) {
2139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            Log.e(TAG, "openToReceiveCalls()", e);
2149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            // TODO: how to send the exception back
2159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
2169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
2179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
218a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan    private boolean isCallerCreator(SipSessionGroupExt group) {
219a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        SipProfile profile = group.getLocalProfile();
220a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        return (profile.getCallingUid() == Binder.getCallingUid());
221a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan    }
222a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan
223a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan    private boolean isCallerCreatorOrRadio(SipSessionGroupExt group) {
224a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        return (isCallerRadio() || isCallerCreator(group));
225a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan    }
226a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan
227a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan    private boolean isCallerRadio() {
228a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        return (Binder.getCallingUid() == Process.PHONE_UID);
229a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan    }
230a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan
2319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized void close(String localProfileUri) {
2328127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
2338127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
234a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        SipSessionGroupExt group = mSipGroups.get(localProfileUri);
235a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (group == null) return;
236a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (!isCallerCreatorOrRadio(group)) {
2376d9d99615a30de0675271553552c3c7b49311354Joe Onorato            Log.w(TAG, "only creator or radio can close this profile");
238a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            return;
2399c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
240a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan
241a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        group = mSipGroups.remove(localProfileUri);
242a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        notifyProfileRemoved(group.getLocalProfile());
243a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        group.close();
244257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan
245617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan        if (!anyOpenedToReceiveCalls()) {
246257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            releaseWifiLock();
247257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            mMyWakeLock.reset(); // in case there's leak
248257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        }
249dc7545495e1ef8bad32cd78775f4dc072015eea0Hung-ying Tyan        if (mSipGroups.isEmpty()) unregisterReceivers();
2509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
2519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
2529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized boolean isOpened(String localProfileUri) {
2538127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
2548127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
2559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        SipSessionGroupExt group = mSipGroups.get(localProfileUri);
256a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (group == null) return false;
257a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (isCallerCreatorOrRadio(group)) {
258617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan            return true;
259a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        } else {
2606d9d99615a30de0675271553552c3c7b49311354Joe Onorato            Log.w(TAG, "only creator or radio can query on the profile");
261a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            return false;
262a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        }
2639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
2649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
2659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized boolean isRegistered(String localProfileUri) {
2668127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
2678127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
2689c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        SipSessionGroupExt group = mSipGroups.get(localProfileUri);
269a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (group == null) return false;
270a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (isCallerCreatorOrRadio(group)) {
271a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            return group.isRegistered();
272a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        } else {
2736d9d99615a30de0675271553552c3c7b49311354Joe Onorato            Log.w(TAG, "only creator or radio can query on the profile");
274a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            return false;
275a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        }
2769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
2779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
2789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized void setRegistrationListener(String localProfileUri,
2799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            ISipSessionListener listener) {
2808127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
2818127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
2829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        SipSessionGroupExt group = mSipGroups.get(localProfileUri);
283a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (group == null) return;
284a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        if (isCallerCreator(group)) {
285a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            group.setListener(listener);
286a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        } else {
2876d9d99615a30de0675271553552c3c7b49311354Joe Onorato            Log.w(TAG, "only creator can set listener on the profile");
288a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        }
2899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
2909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
2919c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized ISipSession createSession(SipProfile localProfile,
2929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            ISipSessionListener listener) {
2938127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
2948127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
2959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        localProfile.setCallingUid(Binder.getCallingUid());
2969c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (!mConnected) return null;
2979c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        try {
2989c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            SipSessionGroupExt group = createGroup(localProfile);
2999c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return group.createSession(listener);
3009c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } catch (SipException e) {
3016d9d99615a30de0675271553552c3c7b49311354Joe Onorato            if (DEBUG) Log.d(TAG, "createSession()", e);
3029c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return null;
3039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
3049c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3069c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    public synchronized ISipSession getPendingSession(String callId) {
3078127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan        mContext.enforceCallingOrSelfPermission(
3088127b35b75c13f853dc8eb2fed8bba4bf99e3eedHung-ying Tyan                android.Manifest.permission.USE_SIP, null);
3099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (callId == null) return null;
3109c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        return mPendingSessions.get(callId);
3119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private String determineLocalIp() {
3149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        try {
3159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            DatagramSocket s = new DatagramSocket();
3169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            s.connect(InetAddress.getByName("192.168.1.1"), 80);
3179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return s.getLocalAddress().getHostAddress();
3189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } catch (IOException e) {
3196d9d99615a30de0675271553552c3c7b49311354Joe Onorato            if (DEBUG) Log.d(TAG, "determineLocalIp()", e);
3209c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            // dont do anything; there should be a connectivity change going
3219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return null;
3229c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
3239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private SipSessionGroupExt createGroup(SipProfile localProfile)
3269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            throws SipException {
3279c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        String key = localProfile.getUriString();
3289c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        SipSessionGroupExt group = mSipGroups.get(key);
3299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (group == null) {
3309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            group = new SipSessionGroupExt(localProfile, null, null);
3319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mSipGroups.put(key, group);
3329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            notifyProfileAdded(localProfile);
333a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan        } else if (!isCallerCreator(group)) {
334a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            throw new SipException("only creator can access the profile");
3359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
3369c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        return group;
3379c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3389c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3399c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private SipSessionGroupExt createGroup(SipProfile localProfile,
340845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            PendingIntent incomingCallPendingIntent,
341845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            ISipSessionListener listener) throws SipException {
3429c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        String key = localProfile.getUriString();
3439c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        SipSessionGroupExt group = mSipGroups.get(key);
3449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (group != null) {
345a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            if (!isCallerCreator(group)) {
346a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan                throw new SipException("only creator can access the profile");
347a072a6e3aa75c9bd038406a5067156463b58551bHung-ying Tyan            }
348845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            group.setIncomingCallPendingIntent(incomingCallPendingIntent);
3499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            group.setListener(listener);
3509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } else {
3519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            group = new SipSessionGroupExt(localProfile,
352845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    incomingCallPendingIntent, listener);
3539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mSipGroups.put(key, group);
3549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            notifyProfileAdded(localProfile);
3559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
3569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        return group;
3579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private void notifyProfileAdded(SipProfile localProfile) {
3609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (DEBUG) Log.d(TAG, "notify: profile added: " + localProfile);
3619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        Intent intent = new Intent(SipManager.ACTION_SIP_ADD_PHONE);
3629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        intent.putExtra(SipManager.EXTRA_LOCAL_URI, localProfile.getUriString());
3639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        mContext.sendBroadcast(intent);
3649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3669c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private void notifyProfileRemoved(SipProfile localProfile) {
3679c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (DEBUG) Log.d(TAG, "notify: profile removed: " + localProfile);
3689c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        Intent intent = new Intent(SipManager.ACTION_SIP_REMOVE_PHONE);
3699c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        intent.putExtra(SipManager.EXTRA_LOCAL_URI, localProfile.getUriString());
3709c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        mContext.sendBroadcast(intent);
3719c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3729c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
373617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan    private boolean anyOpenedToReceiveCalls() {
3749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        for (SipSessionGroupExt group : mSipGroups.values()) {
375617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan            if (group.isOpenedToReceiveCalls()) return true;
3769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
3779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        return false;
3789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private void grabWifiLock() {
3819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (mWifiLock == null) {
3828a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            if (DEBUG) Log.d(TAG, "acquire wifi lock");
3839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mWifiLock = ((WifiManager)
3849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mContext.getSystemService(Context.WIFI_SERVICE))
3859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    .createWifiLock(WifiManager.WIFI_MODE_FULL, TAG);
3869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mWifiLock.acquire();
38787e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            if (!mConnected) startWifiScanner();
3889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
3899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
3909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
3919c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private void releaseWifiLock() {
3929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (mWifiLock != null) {
3938a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            if (DEBUG) Log.d(TAG, "release wifi lock");
3949c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mWifiLock.release();
3959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mWifiLock = null;
39687e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            stopWifiScanner();
39787e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        }
39887e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    }
39987e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
40087e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    private synchronized void startWifiScanner() {
40187e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        if (mWifiScanProcess == null) {
40287e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mWifiScanProcess = new WifiScanProcess();
40387e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        }
40487e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        mWifiScanProcess.start();
40587e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    }
40687e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
40787e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    private synchronized void stopWifiScanner() {
40887e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        if (mWifiScanProcess != null) {
40987e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mWifiScanProcess.stop();
4109c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
4119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
4129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private synchronized void onConnectivityChanged(
4149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            String type, boolean connected) {
4159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (DEBUG) Log.d(TAG, "onConnectivityChanged(): "
4169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                + mNetworkType + (mConnected? " CONNECTED" : " DISCONNECTED")
4179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                + " --> " + type + (connected? " CONNECTED" : " DISCONNECTED"));
4189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4199c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        boolean sameType = type.equals(mNetworkType);
4209c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        if (!sameType && !connected) return;
4219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4229c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        boolean wasWifi = "WIFI".equalsIgnoreCase(mNetworkType);
4239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        boolean isWifi = "WIFI".equalsIgnoreCase(type);
4249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        boolean wifiOff = (isWifi && !connected) || (wasWifi && !sameType);
4259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        boolean wifiOn = isWifi && connected;
4269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4279c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        try {
4289c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            boolean wasConnected = mConnected;
4299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mNetworkType = type;
4309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mConnected = connected;
4319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (wasConnected) {
4339c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mLocalIp = null;
4349c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                for (SipSessionGroupExt group : mSipGroups.values()) {
4359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    group.onConnectivityChanged(false);
4369c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
4379c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
4389c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4399c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (connected) {
4409c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mLocalIp = determineLocalIp();
441469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                mKeepAliveInterval = -1;
4429c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                for (SipSessionGroupExt group : mSipGroups.values()) {
4439c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    group.onConnectivityChanged(true);
4449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
44587e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang                if (isWifi && (mWifiLock != null)) stopWifiScanner();
446257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            } else {
447257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mMyWakeLock.reset(); // in case there's a leak
448469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                stopPortMappingMeasurement();
44987e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang                if (isWifi && (mWifiLock != null)) startWifiScanner();
4509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
4519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } catch (SipException e) {
4529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            Log.e(TAG, "onConnectivityChanged()", e);
4539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
4549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
4559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
456469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang    private void stopPortMappingMeasurement() {
457469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        if (mIntervalMeasurementProcess != null) {
458469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            mIntervalMeasurementProcess.stop();
459469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            mIntervalMeasurementProcess = null;
460469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        }
461469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang    }
462469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
4638a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    private void startPortMappingLifetimeMeasurement(
4648a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            SipProfile localProfile) {
4658a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        if ((mIntervalMeasurementProcess == null)
4668a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                && (mKeepAliveInterval == -1)
4678a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                && isBehindNAT(mLocalIp)) {
4688a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            Log.d(TAG, "start NAT port mapping timeout measurement on "
4698a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    + localProfile.getUriString());
4708a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
4718a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            mIntervalMeasurementProcess = new IntervalMeasurementProcess(localProfile);
4728a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            mIntervalMeasurementProcess.start();
4738a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
474469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang    }
475469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
4769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private synchronized void addPendingSession(ISipSession session) {
4779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        try {
4783f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan            cleanUpPendingSessions();
4799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mPendingSessions.put(session.getCallId(), session);
4803f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan            if (DEBUG) Log.d(TAG, "#pending sess=" + mPendingSessions.size());
4819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        } catch (RemoteException e) {
4829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            // should not happen with a local call
4839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            Log.e(TAG, "addPendingSession()", e);
4849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
4859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
4869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
4873f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan    private void cleanUpPendingSessions() throws RemoteException {
4883f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan        Map.Entry<String, ISipSession>[] entries =
4893f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan                mPendingSessions.entrySet().toArray(
4903f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan                new Map.Entry[mPendingSessions.size()]);
4913f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan        for (Map.Entry<String, ISipSession> entry : entries) {
4923f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan            if (entry.getValue().getState() != SipSession.State.INCOMING_CALL) {
4933f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan                mPendingSessions.remove(entry.getKey());
4943f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan            }
4953f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan        }
4963f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan    }
4973f4d44657ccad3ed02ed0e1354387b14b07dc011Hung-ying Tyan
498ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan    private synchronized boolean callingSelf(SipSessionGroupExt ringingGroup,
499ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan            SipSessionGroup.SipSessionImpl ringingSession) {
500ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan        String callId = ringingSession.getCallId();
501ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan        for (SipSessionGroupExt group : mSipGroups.values()) {
502ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan            if ((group != ringingGroup) && group.containsSession(callId)) {
503ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan                if (DEBUG) Log.d(TAG, "call self: "
504ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan                        + ringingSession.getLocalProfile().getUriString()
505ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan                        + " -> " + group.getLocalProfile().getUriString());
506ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan                return true;
507ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan            }
508ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan        }
509ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan        return false;
510ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan    }
511ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan
5128a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    private synchronized void onKeepAliveIntervalChanged() {
5138a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        for (SipSessionGroupExt group : mSipGroups.values()) {
5148a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            group.onKeepAliveIntervalChanged();
5158a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
5168a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    }
5178a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
5188a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    private int getKeepAliveInterval() {
5198a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        return (mKeepAliveInterval < 0)
5208a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                ? DEFAULT_KEEPALIVE_INTERVAL
5218a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                : mKeepAliveInterval;
5228a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    }
5238a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
5248a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    private boolean isBehindNAT(String address) {
5258a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        try {
5268a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            byte[] d = InetAddress.getByName(address).getAddress();
5278a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            if ((d[0] == 10) ||
5288a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    (((0x000000FF & ((int)d[0])) == 172) &&
5298a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    ((0x000000F0 & ((int)d[1])) == 16)) ||
5308a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    (((0x000000FF & ((int)d[0])) == 192) &&
5318a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    ((0x000000FF & ((int)d[1])) == 168))) {
5328a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                return true;
5338a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            }
5348a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        } catch (UnknownHostException e) {
5358a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            Log.e(TAG, "isBehindAT()" + address, e);
5368a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
5378a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        return false;
5388a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    }
539ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan
5409c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private class SipSessionGroupExt extends SipSessionAdapter {
5419c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private SipSessionGroup mSipGroup;
542845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan        private PendingIntent mIncomingCallPendingIntent;
543617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan        private boolean mOpenedToReceiveCalls;
5449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
5459c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private AutoRegistrationProcess mAutoRegistration =
5469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                new AutoRegistrationProcess();
5479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
5489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public SipSessionGroupExt(SipProfile localProfile,
549845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                PendingIntent incomingCallPendingIntent,
5509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                ISipSessionListener listener) throws SipException {
5519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            String password = localProfile.getPassword();
5529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            SipProfile p = duplicate(localProfile);
5539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mSipGroup = createSipSessionGroup(mLocalIp, p, password);
554845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            mIncomingCallPendingIntent = incomingCallPendingIntent;
5559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mAutoRegistration.setListener(listener);
5569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
5579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
5589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public SipProfile getLocalProfile() {
5599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return mSipGroup.getLocalProfile();
5609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
5619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
562ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan        public boolean containsSession(String callId) {
563ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan            return mSipGroup.containsSession(callId);
564ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan        }
565ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan
5668a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public void onKeepAliveIntervalChanged() {
5678a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            mAutoRegistration.onKeepAliveIntervalChanged();
5688a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
5698a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
5708a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        // TODO: remove this method once SipWakeupTimer can better handle variety
5718a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        // of timeout values
5728a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        void setWakeupTimer(SipWakeupTimer timer) {
5738a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            mSipGroup.setWakeupTimer(timer);
5748a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
5758a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
5769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        // network connectivity is tricky because network can be disconnected
5779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        // at any instant so need to deal with exceptions carefully even when
5789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        // you think you are connected
5799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private SipSessionGroup createSipSessionGroup(String localIp,
5809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                SipProfile localProfile, String password) throws SipException {
5819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            try {
582acedadc1967457ac2f8981c67f884fd8c0ee853cHung-ying Tyan                return new SipSessionGroup(localIp, localProfile, password,
5838a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        mTimer, mMyWakeLock);
5849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            } catch (IOException e) {
5859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // network disconnected
5869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                Log.w(TAG, "createSipSessionGroup(): network disconnected?");
5879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (localIp != null) {
5889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    return createSipSessionGroup(null, localProfile, password);
5899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                } else {
5909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    // recursive
5916d9d99615a30de0675271553552c3c7b49311354Joe Onorato                    Log.wtf(TAG, "impossible! recursive!");
5929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    throw new RuntimeException("createSipSessionGroup");
5939c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
5949c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
5959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
5969c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
5979c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private SipProfile duplicate(SipProfile p) {
5989c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            try {
5999c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                return new SipProfile.Builder(p).setPassword("*").build();
6009c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            } catch (Exception e) {
6019c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                Log.wtf(TAG, "duplicate()", e);
6029c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                throw new RuntimeException("duplicate profile", e);
6039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
6049c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6069c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void setListener(ISipSessionListener listener) {
6079c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mAutoRegistration.setListener(listener);
6089c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
610845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan        public void setIncomingCallPendingIntent(PendingIntent pIntent) {
611845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            mIncomingCallPendingIntent = pIntent;
6129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void openToReceiveCalls() throws SipException {
615617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan            mOpenedToReceiveCalls = true;
6169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (mConnected) {
6179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mSipGroup.openToReceiveCalls(this);
6189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mAutoRegistration.start(mSipGroup);
6199c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
6209c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "  openToReceiveCalls: " + getUri() + ": "
621845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    + mIncomingCallPendingIntent);
6229c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void onConnectivityChanged(boolean connected)
6259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                throws SipException {
6269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mSipGroup.onConnectivityChanged();
6279c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (connected) {
6289c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                resetGroup(mLocalIp);
629617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan                if (mOpenedToReceiveCalls) openToReceiveCalls();
6309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            } else {
631617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan                // close mSipGroup but remember mOpenedToReceiveCalls
6329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (DEBUG) Log.d(TAG, "  close auto reg temporarily: "
633845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                        + getUri() + ": " + mIncomingCallPendingIntent);
6349c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mSipGroup.close();
6359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mAutoRegistration.stop();
6369c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
6379c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6389c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6399c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private void resetGroup(String localIp) throws SipException {
6409c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            try {
6419c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mSipGroup.reset(localIp);
6429c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            } catch (IOException e) {
6439c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // network disconnected
6449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                Log.w(TAG, "resetGroup(): network disconnected?");
6459c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (localIp != null) {
6469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    resetGroup(null); // reset w/o local IP
6479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                } else {
6489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    // recursive
6499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    Log.wtf(TAG, "impossible!");
6509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    throw new RuntimeException("resetGroup");
6519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
6529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
6539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void close() {
656617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan            mOpenedToReceiveCalls = false;
6579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mSipGroup.close();
6589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mAutoRegistration.stop();
6599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "   close: " + getUri() + ": "
660845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    + mIncomingCallPendingIntent);
6619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public ISipSession createSession(ISipSessionListener listener) {
6649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return mSipGroup.createSession(listener);
6659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6669c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6679c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
668845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan        public void onRinging(ISipSession s, SipProfile caller,
6699c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                String sessionDescription) {
670acedadc1967457ac2f8981c67f884fd8c0ee853cHung-ying Tyan            if (DEBUGV) Log.d(TAG, "<<<<< onRinging()");
671845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan            SipSessionGroup.SipSessionImpl session =
672845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    (SipSessionGroup.SipSessionImpl) s;
6739c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
6749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                try {
675ed3c0fbbd5457f43ff72cec31b8ab0bb3f7a0047Hung-ying Tyan                    if (!isRegistered() || callingSelf(this, session)) {
6769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        session.endCall();
6779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        return;
6789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
6799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    // send out incoming call broadcast
6819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    addPendingSession(session);
6829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    Intent intent = SipManager.createIncomingCallBroadcast(
683845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                            session.getCallId(), sessionDescription);
6849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (DEBUG) Log.d(TAG, " ringing~~ " + getUri() + ": "
6859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            + caller.getUri() + ": " + session.getCallId()
686845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                            + " " + mIncomingCallPendingIntent);
687845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    mIncomingCallPendingIntent.send(mContext,
688845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                            SipManager.INCOMING_CALL_RESULT_CODE, intent);
689845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                } catch (PendingIntent.CanceledException e) {
690845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    Log.w(TAG, "pendingIntent is canceled, drop incoming call");
691845f7332f04864c5483b3e63da5db076fc7a888aHung-ying Tyan                    session.endCall();
6929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
6939c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
6949c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
6959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
6969c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
6979c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void onError(ISipSession session, int errorCode,
6989c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                String message) {
6999c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "sip session error: "
7009c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    + SipErrorCode.toString(errorCode) + ": " + message);
7019c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
7029c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
703617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan        public boolean isOpenedToReceiveCalls() {
704617479363dcafe01bfa1fa025e1d9d122864a0ceHung-ying Tyan            return mOpenedToReceiveCalls;
7059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
7069c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
7079c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public boolean isRegistered() {
7089c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return mAutoRegistration.isRegistered();
7099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
7109c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
7119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private String getUri() {
7129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return mSipGroup.getLocalProfileUri();
7139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
7149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
7159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
71687e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    private class WifiScanProcess implements Runnable {
71787e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        private static final String TAG = "\\WIFI_SCAN/";
71887e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        private static final int INTERVAL = 60;
71987e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        private boolean mRunning = false;
72087e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
72187e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        private WifiManager mWifiManager;
72287e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
72387e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        public void start() {
72487e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            if (mRunning) return;
72587e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mRunning = true;
72687e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mTimer.set(INTERVAL * 1000, this);
72787e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        }
72887e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
72987e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        WifiScanProcess() {
73087e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mWifiManager = (WifiManager)
73187e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang                    mContext.getSystemService(Context.WIFI_SERVICE);
73287e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        }
73387e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
73487e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        public void run() {
73587e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            // scan and associate now
73687e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            if (DEBUGV) Log.v(TAG, "just wake up here for wifi scanning...");
73787e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mWifiManager.startScanActive();
73887e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        }
73987e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
74087e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        public void stop() {
74187e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mRunning = false;
74287e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang            mTimer.cancel(this);
74387e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang        }
74487e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang    }
74587e304ce2e55588dfbec18406bf910e5adcfa3a4Chung-yih Wang
7468a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan    private class IntervalMeasurementProcess implements
7478a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            SipSessionGroup.KeepAliveProcessCallback {
7488a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        private static final String TAG = "SipKeepAliveInterval";
749469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private static final int MAX_INTERVAL = 120; // seconds
750469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private static final int MIN_INTERVAL = SHORT_EXPIRY_TIME;
7518a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        private static final int PASS_THRESHOLD = 10;
752469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private SipSessionGroupExt mGroup;
753469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private SipSessionGroup.SipSessionImpl mSession;
754469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private boolean mRunning;
7558a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        private int mMinInterval = 10; // in seconds
756469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private int mMaxInterval = MAX_INTERVAL;
757469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private int mInterval = MAX_INTERVAL / 2;
758469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        private int mPassCounter = 0;
759469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
7608a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public IntervalMeasurementProcess(SipProfile localProfile) {
761469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            try {
7628a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mGroup =  new SipSessionGroupExt(localProfile, null, null);
7638a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                // TODO: remove this line once SipWakeupTimer can better handle
7648a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                // variety of timeout values
7658a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mGroup.setWakeupTimer(new SipWakeupTimer(mContext, mExecutor));
766469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                mSession = (SipSessionGroup.SipSessionImpl)
7678a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        mGroup.createSession(null);
768469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            } catch (Exception e) {
769469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                Log.w(TAG, "start interval measurement error: " + e);
770469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            }
771469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        }
772469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
773469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        public void start() {
7748a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            synchronized (SipService.this) {
7758a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                try {
7768a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mSession.startKeepAliveProcess(mInterval, this);
7778a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                } catch (SipException e) {
7788a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    Log.e(TAG, "start()", e);
7798a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                }
7808a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            }
781469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        }
782469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
783469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        public void stop() {
7848a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            synchronized (SipService.this) {
7858a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mSession.stopKeepAliveProcess();
786469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            }
787469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        }
788469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
7898a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        private void restart() {
790469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            synchronized (SipService.this) {
791469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                try {
7928a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mSession.stopKeepAliveProcess();
7938a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mSession.startKeepAliveProcess(mInterval, this);
7948a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                } catch (SipException e) {
7958a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    Log.e(TAG, "restart()", e);
796469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                }
797469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang            }
798469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang        }
799469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang
8008a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        // SipSessionGroup.KeepAliveProcessCallback
8018a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        @Override
8028a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public void onResponse(boolean portChanged) {
8039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
8048a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if (!portChanged) {
8058a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    if (++mPassCounter != PASS_THRESHOLD) return;
8068a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    // update the interval, since the current interval is good to
8078a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    // keep the port mapping.
8088a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mKeepAliveInterval = mMinInterval = mInterval;
8098a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    if (DEBUG) {
8108a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        Log.d(TAG, "measured good keepalive interval: "
8118a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                + mKeepAliveInterval);
812257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    }
8138a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    onKeepAliveIntervalChanged();
8148a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                } else {
8158a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    // Since the rport is changed, shorten the interval.
8168a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mMaxInterval = mInterval;
8178a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                }
8188a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if ((mMaxInterval - mMinInterval) < MIN_INTERVAL) {
8198a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    // update mKeepAliveInterval and stop measurement.
8208a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    stop();
8218a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mKeepAliveInterval = mMinInterval;
8228a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    if (DEBUG) {
8238a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        Log.d(TAG, "measured keepalive interval: "
8248a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                + mKeepAliveInterval);
825469491e7807a46f31681d21c0ddae215f7891094Chung-yih Wang                    }
8268a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                } else {
8278a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    // calculate the new interval and continue.
8288a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mInterval = (mMaxInterval + mMinInterval) / 2;
8298a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mPassCounter = 0;
8308a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    if (DEBUG) {
8318a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        Log.d(TAG, "current interval: " + mKeepAliveInterval
8328a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                + ", test new interval: " + mInterval);
8338a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    }
8348a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    restart();
8359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
8369c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
8379c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
8389c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
8398a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        // SipSessionGroup.KeepAliveProcessCallback
8408a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        @Override
8418a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public void onError(int errorCode, String description) {
8428a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            synchronized (SipService.this) {
8438a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                Log.w(TAG, "interval measurement error: " + description);
8448a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            }
8459c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
8469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
8479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
8489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private class AutoRegistrationProcess extends SipSessionAdapter
8498a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            implements Runnable, SipSessionGroup.KeepAliveProcessCallback {
8508a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        private String TAG = "SipAudoReg";
8519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private SipSessionGroup.SipSessionImpl mSession;
8528a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        private SipSessionGroup.SipSessionImpl mKeepAliveSession;
8539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private SipSessionListenerProxy mProxy = new SipSessionListenerProxy();
8549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private int mBackoff = 1;
8559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private boolean mRegistered;
8569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private long mExpiryTime;
8579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private int mErrorCode;
8589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private String mErrorMessage;
859d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan        private boolean mRunning = false;
8609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
8619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private String getAction() {
8629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return toString();
8639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
8649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
8659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void start(SipSessionGroup group) {
866d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            if (!mRunning) {
867d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                mRunning = true;
8689c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mBackoff = 1;
8699c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mSession = (SipSessionGroup.SipSessionImpl)
8709c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        group.createSession(this);
8719c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // return right away if no active network connection.
8729c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (mSession == null) return;
8739c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
8749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // start unregistration to clear up old registration at server
8759c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // TODO: when rfc5626 is deployed, use reg-id and sip.instance
8769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // in registration to avoid adding duplicate entries to server
877257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mMyWakeLock.acquire(mSession);
8789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mSession.unregister();
8798a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if (DEBUG) TAG = mSession.getLocalProfile().getUriString();
8808a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if (DEBUG) Log.d(TAG, "start AutoRegistrationProcess");
8819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
8829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
8839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
8848a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        // SipSessionGroup.KeepAliveProcessCallback
8858a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        @Override
8868a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public void onResponse(boolean portChanged) {
8878a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            synchronized (SipService.this) {
8888a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                // Start keep-alive interval measurement on the first successfully
8898a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                // kept-alive SipSessionGroup
8908a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                startPortMappingLifetimeMeasurement(mSession.getLocalProfile());
8918a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
8928a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if (!mRunning || !portChanged) return;
8939dbe2c72276b9968593054dcfd39fd5135a574aaHung-ying Tyan
8949dbe2c72276b9968593054dcfd39fd5135a574aaHung-ying Tyan                // The keep alive process is stopped when port is changed;
8959dbe2c72276b9968593054dcfd39fd5135a574aaHung-ying Tyan                // Nullify the session so that the process can be restarted
8969dbe2c72276b9968593054dcfd39fd5135a574aaHung-ying Tyan                // again when the re-registration is done
8979dbe2c72276b9968593054dcfd39fd5135a574aaHung-ying Tyan                mKeepAliveSession = null;
8989dbe2c72276b9968593054dcfd39fd5135a574aaHung-ying Tyan
8998a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                // Acquire wake lock for the registration process. The
9008a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                // lock will be released when registration is complete.
9018a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mMyWakeLock.acquire(mSession);
9028a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mSession.register(EXPIRY_TIME);
9038a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            }
9048a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
9058a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
9068a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        // SipSessionGroup.KeepAliveProcessCallback
9078a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        @Override
9088a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public void onError(int errorCode, String description) {
9098a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            Log.e(TAG, "keepalive error: " + description);
9108a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
9118a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
9129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void stop() {
913d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            if (!mRunning) return;
914d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            mRunning = false;
915257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            mMyWakeLock.release(mSession);
916257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            if (mSession != null) {
917257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mSession.setListener(null);
918257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                if (mConnected && mRegistered) mSession.unregister();
919257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            }
920d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan
9219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mTimer.cancel(this);
9228a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            if (mKeepAliveSession != null) {
9238a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mKeepAliveSession.stopKeepAliveProcess();
9248a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mKeepAliveSession = null;
9259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
9269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
927d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            mRegistered = false;
928d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            setListener(mProxy.getListener());
9299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
9309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
9318a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        public void onKeepAliveIntervalChanged() {
9328a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            if (mKeepAliveSession != null) {
9338a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                int newInterval = getKeepAliveInterval();
9348a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if (DEBUGV) {
9358a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    Log.v(TAG, "restart keepalive w interval=" + newInterval);
9368a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                }
9378a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                mKeepAliveSession.stopKeepAliveProcess();
9388a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                try {
9398a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    mKeepAliveSession.startKeepAliveProcess(newInterval, this);
9408a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                } catch (SipException e) {
9418a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                    Log.e(TAG, "onKeepAliveIntervalChanged()", e);
9428a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                }
9438a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan            }
9448a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        }
9458a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan
9469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void setListener(ISipSessionListener listener) {
9479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
9489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mProxy.setListener(listener);
9499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
9509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                try {
9519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    int state = (mSession == null)
9529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            ? SipSession.State.READY_TO_CALL
9539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            : mSession.getState();
9549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if ((state == SipSession.State.REGISTERING)
9559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            || (state == SipSession.State.DEREGISTERING)) {
9569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        mProxy.onRegistering(mSession);
9579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    } else if (mRegistered) {
9589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        int duration = (int)
9599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                (mExpiryTime - SystemClock.elapsedRealtime());
9609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        mProxy.onRegistrationDone(mSession, duration);
9619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    } else if (mErrorCode != SipErrorCode.NO_ERROR) {
9629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (mErrorCode == SipErrorCode.TIME_OUT) {
9639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            mProxy.onRegistrationTimeout(mSession);
9649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        } else {
9659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            mProxy.onRegistrationFailed(mSession, mErrorCode,
9669c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                    mErrorMessage);
9679c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        }
968d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                    } else if (!mConnected) {
969d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                        mProxy.onRegistrationFailed(mSession,
970d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                                SipErrorCode.DATA_CONNECTION_LOST,
971d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                                "no data connection");
972d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                    } else if (!mRunning) {
973d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                        mProxy.onRegistrationFailed(mSession,
974d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                                SipErrorCode.CLIENT_ERROR,
975d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                                "registration not running");
976d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                    } else {
977d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                        mProxy.onRegistrationFailed(mSession,
978d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                                SipErrorCode.IN_PROGRESS,
979d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                                String.valueOf(state));
9809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
9819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                } catch (Throwable t) {
9829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    Log.w(TAG, "setListener(): " + t);
9839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
9849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
9859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
9869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
9879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public boolean isRegistered() {
9889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return mRegistered;
9899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
9909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
991257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        // timeout handler: re-register
9928a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan        @Override
9939c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void run() {
994d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            synchronized (SipService.this) {
995d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                if (!mRunning) return;
996d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan
997d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                mErrorCode = SipErrorCode.NO_ERROR;
998d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                mErrorMessage = null;
9998a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                if (DEBUG) Log.d(TAG, "registering");
1000257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                if (mConnected) {
1001257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    mMyWakeLock.acquire(mSession);
1002257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    mSession.register(EXPIRY_TIME);
1003257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                }
10049c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
10059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
10069c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10079c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private void restart(int duration) {
10089c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "Refresh registration " + duration + "s later.");
10099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mTimer.cancel(this);
10109c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mTimer.set(duration * 1000, this);
10119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
10129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private int backoffDuration() {
10149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            int duration = SHORT_EXPIRY_TIME * mBackoff;
10159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (duration > 3600) {
10169c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                duration = 3600;
10179c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            } else {
10189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mBackoff *= 2;
10199c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
10209c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return duration;
10219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
10229c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
10249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void onRegistering(ISipSession session) {
10259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "onRegistering(): " + session);
10269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
1027d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                if (notCurrentSession(session)) return;
1028d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan
10299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mRegistered = false;
10309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mProxy.onRegistering(session);
10319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
10329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
10339c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1034d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan        private boolean notCurrentSession(ISipSession session) {
1035d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            if (session != mSession) {
1036d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                ((SipSessionGroup.SipSessionImpl) session).setListener(null);
1037257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mMyWakeLock.release(session);
1038d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                return true;
1039d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            }
1040d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            return !mRunning;
1041d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan        }
1042d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan
10439c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
10449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void onRegistrationDone(ISipSession session, int duration) {
10459c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "onRegistrationDone(): " + session);
10469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
1047d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                if (notCurrentSession(session)) return;
10489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mProxy.onRegistrationDone(session, duration);
10509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (duration > 0) {
10529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mExpiryTime = SystemClock.elapsedRealtime()
10539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            + (duration * 1000);
10549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (!mRegistered) {
10569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        mRegistered = true;
10579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        // allow some overlap to avoid call drop during renew
10589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        duration -= MIN_EXPIRY_TIME;
10599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (duration < MIN_EXPIRY_TIME) {
10609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            duration = MIN_EXPIRY_TIME;
10619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        }
10629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        restart(duration);
10639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10648a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        SipProfile localProfile = mSession.getLocalProfile();
10658a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                        if ((mKeepAliveSession == null) && (isBehindNAT(mLocalIp)
10668a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                || localProfile.getSendKeepAlive())) {
10678a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                            mKeepAliveSession = mSession.duplicate();
10688a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                            Log.d(TAG, "start keepalive");
10698a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                            try {
10708a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                mKeepAliveSession.startKeepAliveProcess(
10718a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                        getKeepAliveInterval(), this);
10728a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                            } catch (SipException e) {
10738a044dee1690c3dc7b5f467461ce4fa65c565a66Hung-ying Tyan                                Log.e(TAG, "AutoRegistrationProcess", e);
10749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            }
10759c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        }
10769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
1077257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    mMyWakeLock.release(session);
10789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                } else {
10799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mRegistered = false;
10809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mExpiryTime = -1L;
10819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (DEBUG) Log.d(TAG, "Refresh registration immediately");
10829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    run();
10839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
10849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
10859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
10869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
10879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
10889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void onRegistrationFailed(ISipSession session, int errorCode,
10899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                String message) {
10909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "onRegistrationFailed(): " + session + ": "
10919c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    + SipErrorCode.toString(errorCode) + ": " + message);
10929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
1093d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                if (notCurrentSession(session)) return;
10949c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1095fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                switch (errorCode) {
1096fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                    case SipErrorCode.INVALID_CREDENTIALS:
1097fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                    case SipErrorCode.SERVER_UNREACHABLE:
1098fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                        if (DEBUG) Log.d(TAG, "   pause auto-registration");
1099fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                        stop();
11000b88a073712b1510db7c636f89c4e19f0131449aHung-ying Tyan                        break;
1101fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                    default:
1102fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                        restartLater();
11039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
1104d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan
1105d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                mErrorCode = errorCode;
1106d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                mErrorMessage = message;
1107d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                mProxy.onRegistrationFailed(session, errorCode, message);
1108257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mMyWakeLock.release(session);
11099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
11109c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
11119c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11129c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
11139c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void onRegistrationTimeout(ISipSession session) {
11149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (DEBUG) Log.d(TAG, "onRegistrationTimeout(): " + session);
11159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
1116d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan                if (notCurrentSession(session)) return;
1117d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan
11189c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mErrorCode = SipErrorCode.TIME_OUT;
11199c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mProxy.onRegistrationTimeout(session);
1120fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan                restartLater();
1121257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mMyWakeLock.release(session);
11229c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
11239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
11249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1125fcc474636f42243cfce960158373b9c49636a556Hung-ying Tyan        private void restartLater() {
11269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            mRegistered = false;
11279c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            restart(backoffDuration());
11289c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
11299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
11309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    private class ConnectivityReceiver extends BroadcastReceiver {
11329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private Timer mTimer = new Timer();
11339c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private MyTimerTask mTask;
11349c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
1136257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        public void onReceive(final Context context, final Intent intent) {
1137257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            // Run the handler in MyExecutor to be protected by wake lock
11384cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan            mExecutor.execute(new Runnable() {
1139257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                public void run() {
1140257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    onReceiveInternal(context, intent);
1141257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                }
1142257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            });
1143257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        }
1144257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan
1145257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        private void onReceiveInternal(Context context, Intent intent) {
11469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            String action = intent.getAction();
11479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
11489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                Bundle b = intent.getExtras();
11499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (b != null) {
11509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    NetworkInfo netInfo = (NetworkInfo)
11519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            b.get(ConnectivityManager.EXTRA_NETWORK_INFO);
11529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    String type = netInfo.getTypeName();
11539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    NetworkInfo.State state = netInfo.getState();
11549c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (mWifiOnly && (netInfo.getType() !=
11569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            ConnectivityManager.TYPE_WIFI)) {
11579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (DEBUG) {
11589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            Log.d(TAG, "Wifi only, other connectivity ignored: "
11599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                    + type);
11609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        }
11619c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        return;
11629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
11639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    NetworkInfo activeNetInfo = getActiveNetworkInfo();
11659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (DEBUG) {
11669c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (activeNetInfo != null) {
11679c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            Log.d(TAG, "active network: "
11689c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                    + activeNetInfo.getTypeName()
11699c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                    + ((activeNetInfo.getState() == NetworkInfo.State.CONNECTED)
11709c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                            ? " CONNECTED" : " DISCONNECTED"));
11719c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        } else {
11729c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            Log.d(TAG, "active network: null");
11739c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        }
11749c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
11759c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if ((state == NetworkInfo.State.CONNECTED)
11769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            && (activeNetInfo != null)
11779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            && (activeNetInfo.getType() != netInfo.getType())) {
11789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (DEBUG) Log.d(TAG, "ignore connect event: " + type
11799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                + ", active: " + activeNetInfo.getTypeName());
11809c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        return;
11819c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
11829c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (state == NetworkInfo.State.CONNECTED) {
11849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (DEBUG) Log.d(TAG, "Connectivity alert: CONNECTED " + type);
11859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        onChanged(type, true);
11869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    } else if (state == NetworkInfo.State.DISCONNECTED) {
11879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (DEBUG) Log.d(TAG, "Connectivity alert: DISCONNECTED " + type);
11889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        onChanged(type, false);
11899c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    } else {
11909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        if (DEBUG) Log.d(TAG, "Connectivity alert not processed: "
11919c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                + state + " " + type);
11929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
11939c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
11949c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
11959c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
11969c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
11979c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private NetworkInfo getActiveNetworkInfo() {
11989c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            ConnectivityManager cm = (ConnectivityManager)
11999c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
12009c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            return cm.getActiveNetworkInfo();
12019c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
12029c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
12039c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private void onChanged(String type, boolean connected) {
12049c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            synchronized (SipService.this) {
12059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // When turning on WIFI, it needs some time for network
12069c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // connectivity to get stabile so we defer good news (because
12079c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // we want to skip the interim ones) but deliver bad news
12089c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // immediately
12099c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                if (connected) {
1210f4a38e8e2f83402d2307edf67ef79b6f74990c8bHung-ying Tyan                    if (mTask != null) {
1211f4a38e8e2f83402d2307edf67ef79b6f74990c8bHung-ying Tyan                        mTask.cancel();
1212f4a38e8e2f83402d2307edf67ef79b6f74990c8bHung-ying Tyan                        mMyWakeLock.release(mTask);
1213f4a38e8e2f83402d2307edf67ef79b6f74990c8bHung-ying Tyan                    }
12149c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mTask = new MyTimerTask(type, connected);
12159c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mTimer.schedule(mTask, 2 * 1000L);
1216257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    // hold wakup lock so that we can finish changes before the
1217257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    // device goes to sleep
1218257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    mMyWakeLock.acquire(mTask);
12199c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                } else {
12209c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if ((mTask != null) && mTask.mNetworkType.equals(type)) {
12219c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        mTask.cancel();
1222257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                        mMyWakeLock.release(mTask);
12239c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
12249c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    onConnectivityChanged(type, false);
12259c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
12269c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
12279c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
12289c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
12299c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        private class MyTimerTask extends TimerTask {
12309c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            private boolean mConnected;
12319c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            private String mNetworkType;
12329c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
12339c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            public MyTimerTask(String type, boolean connected) {
12349c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mNetworkType = type;
12359c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                mConnected = connected;
12369c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
12379c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1238d8d3b15f408314ac88201eee3e401a35556ba669Hung-ying Tyan            // timeout handler
12399c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            @Override
12409c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            public void run() {
12419c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                // delegate to mExecutor
12424cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan                mExecutor.execute(new Runnable() {
12439c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    public void run() {
12449c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        realRun();
12459c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
12469c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                });
12479c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
12489c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
12499c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            private void realRun() {
12509c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                synchronized (SipService.this) {
12519c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (mTask != this) {
12529c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        Log.w(TAG, "  unexpected task: " + mNetworkType
12539c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                                + (mConnected ? " CONNECTED" : "DISCONNECTED"));
1254f4a38e8e2f83402d2307edf67ef79b6f74990c8bHung-ying Tyan                        mMyWakeLock.release(this);
12559c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                        return;
12569c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    }
12579c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    mTask = null;
12589c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    if (DEBUG) Log.d(TAG, " deliver change for " + mNetworkType
12599c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                            + (mConnected ? " CONNECTED" : "DISCONNECTED"));
12609c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                    onConnectivityChanged(mNetworkType, mConnected);
1261257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                    mMyWakeLock.release(this);
12629c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                }
12639c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
12649c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
12659c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan    }
12669c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
1267257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan    private static Looper createLooper() {
1268257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        HandlerThread thread = new HandlerThread("SipService.Executor");
1269257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        thread.start();
1270257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        return thread.getLooper();
1271257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan    }
1272257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan
1273257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan    // Executes immediate tasks in a single thread.
1274257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan    // Hold/release wake lock for running tasks
12754cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan    private class MyExecutor extends Handler implements Executor {
12769c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        MyExecutor() {
12779c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            super(createLooper());
12789c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
12799c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
12804cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan        @Override
12814cbf2d2f94aaa094dda5b93357c93234ebccb120Hung-ying Tyan        public void execute(Runnable task) {
1282257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            mMyWakeLock.acquire(task);
12839c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            Message.obtain(this, 0/* don't care */, task).sendToTarget();
12849c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
12859c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan
12869c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        @Override
12879c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        public void handleMessage(Message msg) {
12889c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            if (msg.obj instanceof Runnable) {
1289257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                executeInternal((Runnable) msg.obj);
12909c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            } else {
12919c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan                Log.w(TAG, "can't handle msg: " + msg);
12929c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan            }
12939c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan        }
1294257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan
1295257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        private void executeInternal(Runnable task) {
1296257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            try {
1297257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                task.run();
1298257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            } catch (Throwable t) {
1299257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                Log.e(TAG, "run task: " + task, t);
1300257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            } finally {
1301257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan                mMyWakeLock.release(task);
1302257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan            }
1303257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan        }
1304257c7e2b4193bff3793fcedd8b34b7fec2b1019bHung-ying Tyan    }
13059c1fbe7bca34ac7463079926a401a3ce42717460Hung-ying Tyan}
1306