SipSessionGroup.java revision 95b15c35608fe3ea679c8a478c6cbd841623371e
12d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang/* 22d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * Copyright (C) 2010 The Android Open Source Project 32d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * 42d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * Licensed under the Apache License, Version 2.0 (the "License"); 52d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * you may not use this file except in compliance with the License. 62d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * You may obtain a copy of the License at 72d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * 82d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * http://www.apache.org/licenses/LICENSE-2.0 92d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * 102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * Unless required by applicable law or agreed to in writing, software 112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * distributed under the License is distributed on an "AS IS" BASIS, 122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * See the License for the specific language governing permissions and 142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * limitations under the License. 152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang */ 162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangpackage com.android.server.sip; 182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport gov.nist.javax.sip.clientauthutils.AccountManager; 202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport gov.nist.javax.sip.clientauthutils.UserCredentials; 212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport gov.nist.javax.sip.header.SIPHeaderNames; 222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport gov.nist.javax.sip.header.WWWAuthenticate; 2395b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yehimport gov.nist.javax.sip.message.SIPMessage; 242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.net.sip.ISipSession; 262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.net.sip.ISipSessionListener; 272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.net.sip.SessionDescription; 282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.net.sip.SipProfile; 292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.net.sip.SipSessionAdapter; 302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.net.sip.SipSessionState; 312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.text.TextUtils; 322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport android.util.Log; 332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.io.IOException; 3595b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yehimport java.io.UnsupportedEncodingException; 362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.net.DatagramSocket; 372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.text.ParseException; 382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.util.Collection; 392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.util.EventObject; 402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.util.HashMap; 412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.util.Map; 422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.util.Properties; 432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport java.util.TooManyListenersException; 442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.ClientTransaction; 462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.Dialog; 472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.DialogTerminatedEvent; 482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.IOExceptionEvent; 492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.InvalidArgumentException; 502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.ListeningPoint; 512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.RequestEvent; 522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.ResponseEvent; 532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.ServerTransaction; 542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.SipException; 552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.SipFactory; 562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.SipListener; 572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.SipProvider; 582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.SipStack; 592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.TimeoutEvent; 602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.Transaction; 612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.TransactionState; 622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.TransactionTerminatedEvent; 632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.address.Address; 642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.address.SipURI; 652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.header.CSeqHeader; 662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.header.ExpiresHeader; 672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.header.FromHeader; 682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.header.MinExpiresHeader; 692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.header.ViaHeader; 702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.message.Message; 712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.message.Request; 722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangimport javax.sip.message.Response; 732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang/** 752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * Manages {@link ISipSession}'s for a SIP account. 762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang */ 772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wangclass SipSessionGroup implements SipListener { 782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final String TAG = "SipSession"; 792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final String ANONYMOUS = "anonymous"; 802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final int EXPIRY_TIME = 3600; 812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final EventObject DEREGISTER = new EventObject("Deregister"); 832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final EventObject END_CALL = new EventObject("End call"); 842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final EventObject HOLD_CALL = new EventObject("Hold call"); 852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static final EventObject CONTINUE_CALL 862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang = new EventObject("Continue call"); 872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private final SipProfile mLocalProfile; 892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private final String mPassword; 902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private SipStack mSipStack; 922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private SipHelper mSipHelper; 932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private String mLastNonce; 942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private int mRPort; 952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // session that processes INVITE requests 972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private SipSessionImpl mCallReceiverSession; 982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private String mLocalIp; 992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // call-id-to-SipSession map 1012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private Map<String, SipSessionImpl> mSessionMap = 1022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang new HashMap<String, SipSessionImpl>(); 1032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang /** 1052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * @param myself the local profile with password crossed out 1062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * @param password the password of the profile 1072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * @throws IOException if cannot assign requested address 1082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang */ 1092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipSessionGroup(String localIp, SipProfile myself, String password) 1102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throws SipException, IOException { 1112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mLocalProfile = myself; 1122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mPassword = password; 1132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(localIp); 1142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang void reset(String localIp) throws SipException, IOException { 1172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mLocalIp = localIp; 1182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (localIp == null) return; 1192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipProfile myself = mLocalProfile; 1212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipFactory sipFactory = SipFactory.getInstance(); 1222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Properties properties = new Properties(); 1232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang properties.setProperty("javax.sip.STACK_NAME", getStackName()); 1242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String outboundProxy = myself.getProxyAddress(); 1252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (!TextUtils.isEmpty(outboundProxy)) { 1262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang properties.setProperty("javax.sip.OUTBOUND_PROXY", outboundProxy 1272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang + ":" + myself.getPort() + "/" + myself.getProtocol()); 1282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipStack stack = mSipStack = sipFactory.createSipStack(properties); 1302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 1322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipProvider provider = stack.createSipProvider( 1332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang stack.createListeningPoint(localIp, allocateLocalPort(), 1342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang myself.getProtocol())); 1352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang provider.addSipListener(this); 1362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper = new SipHelper(stack, provider); 1372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (InvalidArgumentException e) { 1382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throw new IOException(e.getMessage()); 1392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (TooManyListenersException e) { 1402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // must never happen 1412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throw new SipException("SipSessionGroup constructor", e); 1422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " start stack for " + myself.getUriString()); 1442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang stack.start(); 1452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mLastNonce = null; 1472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mCallReceiverSession = null; 1482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSessionMap.clear(); 1492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipProfile getLocalProfile() { 1522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mLocalProfile; 1532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getLocalProfileUri() { 1562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mLocalProfile.getUriString(); 1572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private String getStackName() { 1602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return "stack" + System.currentTimeMillis(); 1612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public synchronized void close() { 1642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " close stack for " + mLocalProfile.getUriString()); 1652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSessionMap.clear(); 1662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang closeToNotReceiveCalls(); 1672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mSipStack != null) { 1682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipStack.stop(); 1692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipStack = null; 1702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper = null; 1712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public synchronized boolean isClosed() { 1752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return (mSipStack == null); 1762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // For internal use, require listener not to block in callbacks. 1792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public synchronized void openToReceiveCalls(ISipSessionListener listener) { 1802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mCallReceiverSession == null) { 1812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mCallReceiverSession = new SipSessionCallReceiverImpl(listener); 1822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 1832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mCallReceiverSession.setListener(listener); 1842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public synchronized void closeToNotReceiveCalls() { 1882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mCallReceiverSession = null; 1892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public ISipSession createSession(ISipSessionListener listener) { 1922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return (isClosed() ? null : new SipSessionImpl(listener)); 1932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 1942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 1952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static int allocateLocalPort() throws SipException { 1962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 1972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang DatagramSocket s = new DatagramSocket(); 1982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int localPort = s.getLocalPort(); 1992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang s.close(); 2002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return localPort; 2012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (IOException e) { 2022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throw new SipException("allocateLocalPort()", e); 2032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private synchronized SipSessionImpl getSipSession(EventObject event) { 2072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String key = SipHelper.getCallId(event); 2082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " sesssion key from event: " + key); 2092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " active sessions:"); 2102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang for (String k : mSessionMap.keySet()) { 2112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " ..... '" + k + "': " + mSessionMap.get(k)); 2122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionImpl session = mSessionMap.get(key); 2142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return ((session != null) ? session : mCallReceiverSession); 2152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private synchronized void addSipSession(SipSessionImpl newSession) { 2182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang removeSipSession(newSession); 2192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String key = newSession.getCallId(); 2202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " +++++ add a session with key: '" + key + "'"); 2212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSessionMap.put(key, newSession); 2222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang for (String k : mSessionMap.keySet()) { 2232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " ..... " + k + ": " + mSessionMap.get(k)); 2242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private synchronized void removeSipSession(SipSessionImpl session) { 2282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (session == mCallReceiverSession) return; 2292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String key = session.getCallId(); 2302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionImpl s = mSessionMap.remove(key); 2312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // sanity check 2322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if ((s != null) && (s != session)) { 2332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.w(TAG, "session " + session + " is not associated with key '" 2342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang + key + "'"); 2352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSessionMap.put(key, s); 2362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang for (Map.Entry<String, SipSessionImpl> entry 2372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang : mSessionMap.entrySet()) { 2382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (entry.getValue() == s) { 2392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang key = entry.getKey(); 2402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSessionMap.remove(key); 2412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " remove session " + session + " with key '" + key + "'"); 2452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang for (String k : mSessionMap.keySet()) { 2472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " ..... " + k + ": " + mSessionMap.get(k)); 2482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void processRequest(RequestEvent event) { 2522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang process(event); 2532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void processResponse(ResponseEvent event) { 2562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang process(event); 2572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void processIOException(IOExceptionEvent event) { 2602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang process(event); 2612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void processTimeout(TimeoutEvent event) { 2642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang process(event); 2652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void processTransactionTerminated(TransactionTerminatedEvent event) { 2682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang process(event); 2692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void processDialogTerminated(DialogTerminatedEvent event) { 2722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang process(event); 2732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 2752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private synchronized void process(EventObject event) { 2762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionImpl session = getSipSession(event); 2772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 2782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if ((session != null) && session.process(event)) { 2792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " ~~~~~ new state: " + session.mState); 2802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 2812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, "event not processed: " + event); 2822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (Throwable e) { 2842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.e(TAG, "event process error: " + event, e); 2852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang session.onError(e); 2862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 2882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 28995b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh private String extractContent(Message message) { 29095b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh // Currently we do not support secure MIME bodies. 29195b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh byte[] bytes = message.getRawContent(); 29295b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh if (bytes != null) { 29395b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh try { 29495b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh if (message instanceof SIPMessage) { 29595b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh return ((SIPMessage) message).getMessageContent(); 29695b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh } else { 29795b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh return new String(bytes, "UTF-8"); 29895b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh } 29995b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh } catch (UnsupportedEncodingException e) { 30095b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh } 30195b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh } 30295b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh return null; 30395b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh } 30495b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh 3052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private class SipSessionCallReceiverImpl extends SipSessionImpl { 3062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipSessionCallReceiverImpl(ISipSessionListener listener) { 3072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang super(listener); 3082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public boolean process(EventObject evt) throws SipException { 3112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " ~~~~~ " + this + ": " + mState + ": processing " 3122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang + log(evt)); 3132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (isRequestEvent(Request.INVITE, evt)) { 3142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang RequestEvent event = (RequestEvent) evt; 3152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionImpl newSession = new SipSessionImpl(mProxy); 3162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mServerTransaction = mSipHelper.sendRinging(event, 3172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang generateTag()); 3182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mDialog = newSession.mServerTransaction.getDialog(); 3192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mInviteReceived = event; 3202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mPeerProfile = createPeerProfile(event.getRequest()); 3212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mState = SipSessionState.INCOMING_CALL; 3222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mPeerSessionDescription = 32395b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh extractContent(event.getRequest()); 3242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang addSipSession(newSession); 3252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRinging(newSession, newSession.mPeerProfile, 3262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang newSession.mPeerSessionDescription); 3272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 3282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 3292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 3302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang class SipSessionImpl extends ISipSession.Stub { 3352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipProfile mPeerProfile; 3362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionListenerProxy mProxy = new SipSessionListenerProxy(); 3372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionState mState = SipSessionState.READY_TO_CALL; 3382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang RequestEvent mInviteReceived; 3392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Dialog mDialog; 3402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ServerTransaction mServerTransaction; 3412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ClientTransaction mClientTransaction; 34295b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh String mPeerSessionDescription; 3432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang boolean mInCall; 3442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang boolean mReRegisterFlag = false; 3452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipSessionImpl(ISipSessionListener listener) { 3472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang setListener(listener); 3482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionImpl duplicate() { 3512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return new SipSessionImpl(mProxy.getListener()); 3522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void reset() { 3552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mInCall = false; 3562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang removeSipSession(this); 3572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mPeerProfile = null; 3582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.READY_TO_CALL; 3592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mInviteReceived = null; 3602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDialog = null; 3612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mServerTransaction = null; 3622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = null; 3632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mPeerSessionDescription = null; 3642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public boolean isInCall() { 3672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mInCall; 3682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getLocalIp() { 3712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mLocalIp; 3722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipProfile getLocalProfile() { 3752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mLocalProfile; 3762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipProfile getPeerProfile() { 3792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mPeerProfile; 3802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getCallId() { 3832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return SipHelper.getCallId(getTransaction()); 3842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private Transaction getTransaction() { 3872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mClientTransaction != null) return mClientTransaction; 3882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mServerTransaction != null) return mServerTransaction; 3892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return null; 3902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getState() { 3932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mState.toString(); 3942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 3952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 3962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void setListener(ISipSessionListener listener) { 3972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.setListener((listener instanceof SipSessionListenerProxy) 3982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ? ((SipSessionListenerProxy) listener).getListener() 3992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang : listener); 4002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 402dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan // process the command in a new thread 403dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan private void doCommandAsync(final EventObject command) { 404dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan new Thread(new Runnable() { 405dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan public void run() { 406dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan try { 407dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan processCommand(command); 408dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan } catch (SipException e) { 409dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan // TODO: find a better way to do this 410dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan if ((command instanceof RegisterCommand) 411dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan || (command == DEREGISTER)) { 412dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan onRegistrationFailed(e); 413dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan } else { 414dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan onError(e); 415dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan } 416dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan } 417dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan } 418dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan }).start(); 419dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan } 420dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan 4212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void makeCall(SipProfile peerProfile, 42295b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh String sessionDescription) { 423dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan doCommandAsync( 424dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan new MakeCallCommand(peerProfile, sessionDescription)); 4252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 42795b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh public void answerCall(String sessionDescription) { 4282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 4292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processCommand( 4302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang new MakeCallCommand(mPeerProfile, sessionDescription)); 4312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (SipException e) { 4322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onError(e); 4332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void endCall() { 437dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan doCommandAsync(END_CALL); 4382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 44095b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh public void changeCall(String sessionDescription) { 441dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan doCommandAsync( 442dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan new MakeCallCommand(mPeerProfile, sessionDescription)); 4432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void register(int duration) { 446dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan doCommandAsync(new RegisterCommand(duration)); 4472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void unregister() { 450dba514c6d8e8263d4b8f31cb2fdebfc1d4f84c35Hung-ying Tyan doCommandAsync(DEREGISTER); 4512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public boolean isReRegisterRequired() { 4542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mReRegisterFlag; 4552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void clearReRegisterRequired() { 4582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mReRegisterFlag = false; 4592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public void sendKeepAlive() { 4622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.PINGING; 4632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 4642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processCommand(new OptionsCommand()); 4652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang while (SipSessionState.PINGING.equals(mState)) { 4662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Thread.sleep(1000); 4672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (SipException e) { 4692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.e(TAG, "sendKeepAlive failed", e); 4702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (InterruptedException e) { 4712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.e(TAG, "sendKeepAlive interrupted", e); 4722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void processCommand(EventObject command) throws SipException { 4762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (!process(command)) { 4772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throw new SipException("wrong state to execute: " + command); 4782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang protected String generateTag() { 4822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // 32-bit randomness 4832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return String.valueOf((long) (Math.random() * 0x100000000L)); 4842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String toString() { 4872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 4882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String s = super.toString(); 4892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return s.substring(s.indexOf("@")) + ":" + mState; 4902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (Throwable e) { 4912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return super.toString(); 4922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 4942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 4952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public boolean process(EventObject evt) throws SipException { 4962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, " ~~~~~ " + this + ": " + mState + ": processing " 4972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang + log(evt)); 4982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang synchronized (SipSessionGroup.this) { 4992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (isClosed()) return false; 5002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Dialog dialog = null; 5022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof RequestEvent) { 5032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang dialog = ((RequestEvent) evt).getDialog(); 5042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof ResponseEvent) { 5052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang dialog = ((ResponseEvent) evt).getDialog(); 5062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (dialog != null) mDialog = dialog; 5082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang boolean processed; 5102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang switch (mState) { 5122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case REGISTERING: 5132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case DEREGISTERING: 5142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = registeringToReady(evt); 5152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case PINGING: 5172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = keepAliveProcess(evt); 5182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case READY_TO_CALL: 5202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = readyForCall(evt); 5212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case INCOMING_CALL: 5232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = incomingCall(evt); 5242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case INCOMING_CALL_ANSWERING: 5262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = incomingCallToInCall(evt); 5272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case OUTGOING_CALL: 5292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case OUTGOING_CALL_RING_BACK: 5302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = outgoingCall(evt); 5312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case OUTGOING_CALL_CANCELING: 5332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = outgoingCallToReady(evt); 5342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case IN_CALL: 5362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = inCall(evt); 5372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 5382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang default: 5392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processed = false; 5402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return (processed || processExceptions(evt)); 5422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean processExceptions(EventObject evt) throws SipException { 5462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (isRequestEvent(Request.BYE, evt)) { 5472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // terminate the call whenever a BYE is received 5482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendResponse((RequestEvent) evt, Response.OK); 5492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallNormally(); 5502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 5512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (isRequestEvent(Request.CANCEL, evt)) { 5522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendResponse((RequestEvent) evt, 5532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST); 5542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 5552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof TransactionTerminatedEvent) { 5562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof TimeoutEvent) { 5572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processTimeout((TimeoutEvent) evt); 5582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 5592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, "Transaction terminated:" + this); 5602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (!SipSessionState.IN_CALL.equals(mState)) { 5612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang removeSipSession(this); 5622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 5642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 5662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof DialogTerminatedEvent) { 5672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang processDialogTerminated((DialogTerminatedEvent) evt); 5682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 5692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 5712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void processDialogTerminated(DialogTerminatedEvent event) { 5742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mDialog == event.getDialog()) { 5752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onError(new SipException("dialog terminated")); 5762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 5772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, "not the current dialog; current=" + mDialog 5782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang + ", terminated=" + event.getDialog()); 5792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void processTimeout(TimeoutEvent event) { 5832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, "processing Timeout..." + event); 5842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Transaction current = event.isServerTransaction() 5852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ? mServerTransaction 5862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang : mClientTransaction; 5872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Transaction target = event.isServerTransaction() 5882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ? event.getServerTransaction() 5892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang : event.getClientTransaction(); 5902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 5912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if ((current != target) && (mState != SipSessionState.PINGING)) { 5922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.d(TAG, "not the current transaction; current=" + current 5932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang + ", timed out=" + target); 5942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return; 5952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 5962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang switch (mState) { 5972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case REGISTERING: 5982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case DEREGISTERING: 5992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 6002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRegistrationTimeout(this); 6012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 6022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case INCOMING_CALL: 6032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case INCOMING_CALL_ANSWERING: 6042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case OUTGOING_CALL_CANCELING: 6052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallOnError(new SipException("timed out")); 6062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 6072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case PINGING: 6082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 6092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mReRegisterFlag = true; 6102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.READY_TO_CALL; 6112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 6122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang default: 6142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // do nothing 6152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang break; 6162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private int getExpiryTime(Response response) { 6202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int expires = EXPIRY_TIME; 6212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ExpiresHeader expiresHeader = (ExpiresHeader) 6222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang response.getHeader(ExpiresHeader.NAME); 6232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (expiresHeader != null) expires = expiresHeader.getExpires(); 6242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang expiresHeader = (ExpiresHeader) 6252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang response.getHeader(MinExpiresHeader.NAME); 6262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (expiresHeader != null) { 6272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang expires = Math.max(expires, expiresHeader.getExpires()); 6282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return expires; 6302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean keepAliveProcess(EventObject evt) throws SipException { 6332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof OptionsCommand) { 6342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = mSipHelper.sendKeepAlive(mLocalProfile, 6352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang generateTag()); 6362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDialog = mClientTransaction.getDialog(); 6372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang addSipSession(this); 6382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 6392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof ResponseEvent) { 6402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return parseOptionsResult(evt); 6412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 6432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean parseOptionsResult(EventObject evt) { 6462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (expectResponse(Request.OPTIONS, evt)) { 6472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ResponseEvent event = (ResponseEvent) evt; 6482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int rPort = getRPortFromResponse(event.getResponse()); 6492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (rPort != -1) { 6502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mRPort == 0) mRPort = rPort; 6512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mRPort != rPort) { 6522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mReRegisterFlag = true; 6532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.w(TAG, String.format("rport is changed: %d <> %d", 6542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mRPort, rPort)); 6552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mRPort = rPort; 6562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 6572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.w(TAG, "rport is the same: " + rPort); 6582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 6602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.w(TAG, "peer did not respect our rport request"); 6612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.READY_TO_CALL; 6632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 6642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 6662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private int getRPortFromResponse(Response response) { 6692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ViaHeader viaHeader = (ViaHeader)(response.getHeader( 6702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SIPHeaderNames.VIA)); 6712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return (viaHeader == null) ? -1 : viaHeader.getRPort(); 6722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 6732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean registeringToReady(EventObject evt) 6752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throws SipException { 6762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (expectResponse(Request.REGISTER, evt)) { 6772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ResponseEvent event = (ResponseEvent) evt; 6782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Response response = event.getResponse(); 6792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 6802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int statusCode = response.getStatusCode(); 6812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang switch (statusCode) { 6822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.OK: 6832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipSessionState state = mState; 6842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 6852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onRegistrationDone((state == SipSessionState.REGISTERING) 6862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ? getExpiryTime(((ResponseEvent) evt).getResponse()) 6872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang : -1); 6882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mLastNonce = null; 6892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mRPort = 0; 6902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 6912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.UNAUTHORIZED: 6922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.PROXY_AUTHENTICATION_REQUIRED: 6932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String nonce = getNonceFromResponse(response); 6942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (((nonce != null) && nonce.equals(mLastNonce)) || 6952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang (nonce == mLastNonce)) { 6962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Log.v(TAG, "Incorrect username/password"); 6972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 6982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onRegistrationFailed(createCallbackException(response)); 6992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 7002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.handleChallenge(event, getAccountManager()); 7012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mLastNonce = nonce; 7022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang default: 7052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (statusCode >= 500) { 7062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 7072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onRegistrationFailed(createCallbackException(response)); 7082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 7132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 7152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private AccountManager getAccountManager() { 7162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return new AccountManager() { 7172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public UserCredentials getCredentials(ClientTransaction 7182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang challengedTransaction, String realm) { 7192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return new UserCredentials() { 7202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getUserName() { 7212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mLocalProfile.getUserName(); 7222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 7242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getPassword() { 7252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mPassword; 7262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 7282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public String getSipDomain() { 7292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mLocalProfile.getSipDomain(); 7302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang }; 7322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang }; 7342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 7362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private String getNonceFromResponse(Response response) { 7372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang WWWAuthenticate authHeader = (WWWAuthenticate)(response.getHeader( 7382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SIPHeaderNames.WWW_AUTHENTICATE)); 7392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return (authHeader == null) ? null : authHeader.getNonce(); 7402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 7422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean readyForCall(EventObject evt) throws SipException { 7432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // expect MakeCallCommand, RegisterCommand, DEREGISTER 7442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof MakeCallCommand) { 7452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang MakeCallCommand cmd = (MakeCallCommand) evt; 7462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mPeerProfile = cmd.getPeerProfile(); 7472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = mSipHelper.sendInvite(mLocalProfile, 74895b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh mPeerProfile, cmd.getSessionDescription(), 74995b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh generateTag()); 7502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDialog = mClientTransaction.getDialog(); 7512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang addSipSession(this); 7522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.OUTGOING_CALL; 7532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onCalling(this); 7542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof RegisterCommand) { 7562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int duration = ((RegisterCommand) evt).getDuration(); 7572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = mSipHelper.sendRegister(mLocalProfile, 7582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang generateTag(), duration); 7592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDialog = mClientTransaction.getDialog(); 7602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang addSipSession(this); 7612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.REGISTERING; 7622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRegistering(this); 7632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (DEREGISTER == evt) { 7652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = mSipHelper.sendRegister(mLocalProfile, 7662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang generateTag(), 0); 7672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDialog = mClientTransaction.getDialog(); 7682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang addSipSession(this); 7692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.DEREGISTERING; 7702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRegistering(this); 7712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 7742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 7762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean incomingCall(EventObject evt) throws SipException { 7772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // expect MakeCallCommand(answering) , END_CALL cmd , Cancel 7782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof MakeCallCommand) { 7792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // answer call 7802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mServerTransaction = mSipHelper.sendInviteOk(mInviteReceived, 7812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mLocalProfile, 7822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ((MakeCallCommand) evt).getSessionDescription(), 7832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mServerTransaction); 7842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.INCOMING_CALL_ANSWERING; 7852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (END_CALL == evt) { 7872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendInviteBusyHere(mInviteReceived, 7882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mServerTransaction); 7892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallNormally(); 7902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (isRequestEvent(Request.CANCEL, evt)) { 7922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang RequestEvent event = (RequestEvent) evt; 7932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendResponse(event, Response.OK); 7942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendInviteRequestTerminated( 7952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mInviteReceived.getRequest(), mServerTransaction); 7962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallNormally(); 7972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 7982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 7992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 8002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 8022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean incomingCallToInCall(EventObject evt) 8032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throws SipException { 8042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // expect ACK, CANCEL request 8052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (isRequestEvent(Request.ACK, evt)) { 8062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang establishCall(); 8072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (isRequestEvent(Request.CANCEL, evt)) { 8092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // http://tools.ietf.org/html/rfc3261#section-9.2 8102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // Final response has been sent; do nothing here. 8112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 8142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 8162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean outgoingCall(EventObject evt) throws SipException { 8172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (expectResponse(Request.INVITE, evt)) { 8182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ResponseEvent event = (ResponseEvent) evt; 8192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Response response = event.getResponse(); 8202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 8212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int statusCode = response.getStatusCode(); 8222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang switch (statusCode) { 8232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.RINGING: 8242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mState == SipSessionState.OUTGOING_CALL) { 8252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.OUTGOING_CALL_RING_BACK; 8262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRingingBack(this); 8272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.OK: 8302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendInviteAck(event, mDialog); 83195b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh mPeerSessionDescription = extractContent(response); 8322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang establishCall(); 8332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.PROXY_AUTHENTICATION_REQUIRED: 8352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = mSipHelper.handleChallenge( 8362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang (ResponseEvent) evt, getAccountManager()); 8372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDialog = mClientTransaction.getDialog(); 8382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang addSipSession(this); 8392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.BUSY_HERE: 8412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 8422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onCallBusy(this); 8432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang case Response.REQUEST_PENDING: 8452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // TODO: 8462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // rfc3261#section-14.1; re-schedule invite 8472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang default: 8492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (statusCode >= 400) { 8502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // error: an ack is sent automatically by the stack 8512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onError(createCallbackException(response)); 8522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (statusCode >= 300) { 8542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // TODO: handle 3xx (redirect) 8552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 8562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 8602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (END_CALL == evt) { 8612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // RFC says that UA should not send out cancel when no 8622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // response comes back yet. We are cheating for not checking 8632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // response. 8642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendCancel(mClientTransaction); 8652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.OUTGOING_CALL_CANCELING; 8662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 8692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 8712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean outgoingCallToReady(EventObject evt) 8722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throws SipException { 8732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof ResponseEvent) { 8742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ResponseEvent event = (ResponseEvent) evt; 8752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Response response = event.getResponse(); 8762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int statusCode = response.getStatusCode(); 8772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (expectResponse(Request.CANCEL, evt)) { 8782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (statusCode == Response.OK) { 8792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // do nothing; wait for REQUEST_TERMINATED 8802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (expectResponse(Request.INVITE, evt)) { 8832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (statusCode == Response.OK) { 8842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang outgoingCall(evt); // abort Cancel 8852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 8882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 8892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 8912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (statusCode >= 400) { 8922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onError(createCallbackException(response)); 8932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 8942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 8952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof TransactionTerminatedEvent) { 8962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // rfc3261#section-14.1: 8972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // if re-invite gets timed out, terminate the dialog; but 8982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // re-invite is not reliable, just let it go and pretend 8992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // nothing happened. 9002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang onError(new SipException("timed out")); 9012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 9032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private boolean inCall(EventObject evt) throws SipException { 9062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // expect END_CALL cmd, BYE request, hold call (MakeCallCommand) 9072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // OK retransmission is handled in SipStack 9082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (END_CALL == evt) { 9092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // rfc3261#section-15.1.1 9102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendBye(mDialog); 9112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallNormally(); 9122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 9132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (isRequestEvent(Request.INVITE, evt)) { 9142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // got Re-INVITE 9152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang RequestEvent event = mInviteReceived = (RequestEvent) evt; 9162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.INCOMING_CALL; 91795b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh mPeerSessionDescription = extractContent(event.getRequest()); 9182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mServerTransaction = null; 9192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRinging(this, mPeerProfile, mPeerSessionDescription); 9202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 9212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (isRequestEvent(Request.BYE, evt)) { 9222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSipHelper.sendResponse((RequestEvent) evt, Response.OK); 9232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallNormally(); 9242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 9252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof MakeCallCommand) { 9262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang // to change call 9272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mClientTransaction = mSipHelper.sendReinvite(mDialog, 9282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ((MakeCallCommand) evt).getSessionDescription()); 9292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.OUTGOING_CALL; 9302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return true; 9312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 9332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private Exception createCallbackException(Response response) { 9362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return new SipException(String.format("Response: %s (%d)", 9372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang response.getReasonPhrase(), response.getStatusCode())); 9382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void establishCall() { 9412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.IN_CALL; 9422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mInCall = true; 9432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onCallEstablished(this, mPeerSessionDescription); 9442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void fallbackToPreviousInCall(Throwable exception) { 9472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mState = SipSessionState.IN_CALL; 9482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onCallChangeFailed(this, exception.getClass().getName(), 9492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang exception.getMessage()); 9502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void endCallNormally() { 9532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 9542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onCallEnded(this); 9552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void endCallOnError(Throwable exception) { 9582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang reset(); 9592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onError(this, exception.getClass().getName(), 9602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang exception.getMessage()); 9612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void onError(Throwable exception) { 9642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (mInCall) { 9652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang fallbackToPreviousInCall(exception); 9662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 9672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang endCallOnError(exception); 9682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void onRegistrationDone(int duration) { 9722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRegistrationDone(this, duration); 9732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private void onRegistrationFailed(Throwable exception) { 9762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mProxy.onRegistrationFailed(this, exception.getClass().getName(), 9772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang exception.getMessage()); 9782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9802d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang /** 9822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * @return true if the event is a request event matching the specified 9832d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * method; false otherwise 9842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang */ 9852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static boolean isRequestEvent(String method, EventObject event) { 9862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 9872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (event instanceof RequestEvent) { 9882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang RequestEvent requestEvent = (RequestEvent) event; 9892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return method.equals(requestEvent.getRequest().getMethod()); 9902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (Throwable e) { 9922d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 9942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 9962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static String getCseqMethod(Message message) { 9972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return ((CSeqHeader) message.getHeader(CSeqHeader.NAME)).getMethod(); 9982d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 9992d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10002d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang /** 10012d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * @return true if the event is a response event and the CSeqHeader method 10022d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * match the given arguments; false otherwise 10032d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang */ 10042d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static boolean expectResponse( 10052d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String expectedMethod, EventObject evt) { 10062d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof ResponseEvent) { 10072d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ResponseEvent event = (ResponseEvent) evt; 10082d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Response response = event.getResponse(); 10092d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return expectedMethod.equalsIgnoreCase(getCseqMethod(response)); 10102d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10112d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 10122d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10132d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10142d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang /** 10152d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * @return true if the event is a response event and the response code and 10162d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang * CSeqHeader method match the given arguments; false otherwise 10172d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang */ 10182d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static boolean expectResponse( 10192d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang int responseCode, String expectedMethod, EventObject evt) { 10202d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof ResponseEvent) { 10212d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang ResponseEvent event = (ResponseEvent) evt; 10222d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Response response = event.getResponse(); 10232d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (response.getStatusCode() == responseCode) { 10242d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return expectedMethod.equalsIgnoreCase(getCseqMethod(response)); 10252d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10262d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10272d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return false; 10282d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10292d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10302d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static SipProfile createPeerProfile(Request request) 10312d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throws SipException { 10322d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang try { 10332d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang FromHeader fromHeader = 10342d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang (FromHeader) request.getHeader(FromHeader.NAME); 10352d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang Address address = fromHeader.getAddress(); 10362d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang SipURI uri = (SipURI) address.getURI(); 10372d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang String username = uri.getUser(); 10382d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (username == null) username = ANONYMOUS; 10392d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return new SipProfile.Builder(username, uri.getHost()) 10402d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang .setPort(uri.getPort()) 10412d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang .setDisplayName(address.getDisplayName()) 10422d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang .build(); 10432d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (InvalidArgumentException e) { 10442d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throw new SipException("createPeerProfile()", e); 10452d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } catch (ParseException e) { 10462d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang throw new SipException("createPeerProfile()", e); 10472d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10482d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10492d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10502d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private static String log(EventObject evt) { 10512d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang if (evt instanceof RequestEvent) { 10522d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return ((RequestEvent) evt).getRequest().toString(); 10532d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else if (evt instanceof ResponseEvent) { 10542d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return ((ResponseEvent) evt).getResponse().toString(); 10552d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } else { 10562d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return evt.toString(); 10572d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10582d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10592d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10602d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private class OptionsCommand extends EventObject { 10612d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public OptionsCommand() { 10622d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang super(SipSessionGroup.this); 10632d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10642d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10652d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10662d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private class RegisterCommand extends EventObject { 10672d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private int mDuration; 10682d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10692d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public RegisterCommand(int duration) { 10702d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang super(SipSessionGroup.this); 10712d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mDuration = duration; 10722d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10732d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10742d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public int getDuration() { 10752d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mDuration; 10762d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10772d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10782d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10792d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang private class MakeCallCommand extends EventObject { 108095b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh private String mSessionDescription; 10812d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10822d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public MakeCallCommand(SipProfile peerProfile, 108395b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh String sessionDescription) { 10842d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang super(peerProfile); 10852d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang mSessionDescription = sessionDescription; 10862d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10872d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10882d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang public SipProfile getPeerProfile() { 10892d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return (SipProfile) getSource(); 10902d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10912d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 109295b15c35608fe3ea679c8a478c6cbd841623371eChia-chi Yeh public String getSessionDescription() { 10932d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang return mSessionDescription; 10942d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10952d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang } 10962d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang 10972d94231ef91c732f649ff7af9520ee9eac441b16Chung-yih Wang} 1098