001/**
002 *
003 * Copyright 2003-2006 Jive Software.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.jingle.nat;
018
019import org.jivesoftware.smack.SmackException;
020import org.jivesoftware.smack.SmackException.NotConnectedException;
021import org.jivesoftware.smack.XMPPConnection;
022import org.jivesoftware.smack.XMPPException;
023import org.jivesoftware.smackx.jingle.JingleSession;
024import org.jivesoftware.smackx.jingle.listeners.CreatedJingleSessionListener;
025import org.jivesoftware.smackx.jingle.listeners.JingleSessionListener;
026import org.jivesoftware.smackx.jingle.media.PayloadType;
027
028public class ICETransportManager extends JingleTransportManager implements JingleSessionListener, CreatedJingleSessionListener {
029
030    ICEResolver iceResolver = null;
031
032    public ICETransportManager(XMPPConnection xmppConnection, String server, int port) {
033        iceResolver = new ICEResolver(xmppConnection, server, port);
034        try {
035            iceResolver.initializeAndWait();
036        }
037        catch (Exception e) {
038            e.printStackTrace();
039        }
040    }
041
042    protected TransportResolver createResolver(JingleSession session) throws SmackException {
043        try {
044            iceResolver.resolve(session);
045        }
046        catch (XMPPException e) {
047            e.printStackTrace();
048        }
049        return iceResolver;
050    }
051
052    // Implement a Session Listener to relay candidates after establishment
053
054    public void sessionEstablished(PayloadType pt, TransportCandidate rc, TransportCandidate lc, JingleSession jingleSession) throws NotConnectedException {
055        if (lc instanceof ICECandidate) {
056            if (((ICECandidate) lc).getType().equals("relay")) {
057                RTPBridge rtpBridge = RTPBridge.relaySession(lc.getConnection(), lc.getSessionId(), lc.getPassword(), rc, lc);
058            }
059        }
060    }
061
062    public void sessionDeclined(String reason, JingleSession jingleSession) {
063    }
064
065    public void sessionRedirected(String redirection, JingleSession jingleSession) {
066    }
067
068    public void sessionClosed(String reason, JingleSession jingleSession) {
069    }
070
071    public void sessionClosedOnError(XMPPException e, JingleSession jingleSession) {
072    }
073
074    public void sessionMediaReceived(JingleSession jingleSession, String participant) {
075        // Do Nothing
076    }
077
078    // Session Created
079
080    public void sessionCreated(JingleSession jingleSession) {
081        jingleSession.addListener(this);
082    }
083}