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Example 1 with Jingle

use of org.jivesoftware.smackx.jingleold.packet.Jingle in project Smack by igniterealtime.

the class TransportNegotiator method delayedCheckBestCandidate.

/**
     * Launch a thread that checks, after some time, if any of the candidates
     * offered by the other endpoint is usable. The thread does not check the
     * candidates: it just checks if we have got a valid one and sends an Accept
     * in that case.
     */
private void delayedCheckBestCandidate(final JingleSession js, final Jingle jin) {
    //
    if (resultThread == null && !getRemoteCandidates().isEmpty()) {
        resultThread = new Thread(new Runnable() {

            @Override
            public void run() {
                // Sleep for some time, waiting for the candidates checks
                int totalTime = (CANDIDATES_ACCEPT_PERIOD + TransportResolver.CHECK_TIMEOUT);
                int tries = (int) Math.ceil(totalTime / 1000);
                for (int i = 0; i < tries - 1; i++) {
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        LOGGER.log(Level.WARNING, "exception", e);
                    }
                    // Once we are in pending state, look for any valid remote
                    // candidate, and send an "accept" if we have one...
                    TransportCandidate bestRemote = getBestRemoteCandidate();
                    if ((bestRemote != null) && ((getNegotiatorState() == JingleNegotiatorState.PENDING))) {
                        // Accepting the remote candidate
                        if (!acceptedRemoteCandidates.contains(bestRemote)) {
                            Jingle jout = new Jingle(JingleActionEnum.CONTENT_ACCEPT);
                            JingleContent content = parentNegotiator.getJingleContent();
                            content.addJingleTransport(getJingleTransport(bestRemote));
                            jout.addContent(content);
                            // Send the packet
                            try {
                                js.sendFormattedJingle(jin, jout);
                            } catch (InterruptedException | NotConnectedException e) {
                                throw new IllegalStateException(e);
                            }
                            acceptedRemoteCandidates.add(bestRemote);
                        }
                        if ((isEstablished()) && (getNegotiatorState() == JingleNegotiatorState.PENDING)) {
                            setNegotiatorState(JingleNegotiatorState.SUCCEEDED);
                            try {
                                triggerTransportEstablished(getAcceptedLocalCandidate(), bestRemote);
                            } catch (InterruptedException | NotConnectedException e) {
                                throw new IllegalStateException(e);
                            }
                            break;
                        }
                    }
                }
                // Once we are in pending state, look for any valid remote
                // candidate, and send an "accept" if we have one...
                TransportCandidate bestRemote = getBestRemoteCandidate();
                if (bestRemote == null) {
                    boolean foundRemoteRelay = false;
                    for (TransportCandidate candidate : remoteCandidates) {
                        if (candidate instanceof ICECandidate) {
                            ICECandidate iceCandidate = (ICECandidate) candidate;
                            if (iceCandidate.getType().equals(Type.relay)) {
                                //TODO Check if the relay is reacheable
                                addValidRemoteCandidate(iceCandidate);
                                foundRemoteRelay = true;
                            }
                        }
                    }
                    // We should accept the Public One if we received it, otherwise, accepts any.
                    if (!foundRemoteRelay) {
                        boolean foundLocalRelay = false;
                        for (TransportCandidate candidate : offeredCandidates) {
                            if (candidate instanceof ICECandidate) {
                                ICECandidate iceCandidate = (ICECandidate) candidate;
                                if (iceCandidate.getType().equals(Type.relay)) {
                                    foundLocalRelay = true;
                                }
                            }
                        }
                        if (foundLocalRelay) {
                            boolean foundRemotePublic = false;
                            for (TransportCandidate candidate : remoteCandidates) {
                                if (candidate instanceof ICECandidate) {
                                    ICECandidate iceCandidate = (ICECandidate) candidate;
                                    if (iceCandidate.getType().equals(ICECandidate.Type.srflx)) {
                                        addValidRemoteCandidate(iceCandidate);
                                        foundRemotePublic = true;
                                    }
                                }
                            }
                            if (!foundRemotePublic) {
                                for (TransportCandidate candidate : remoteCandidates) {
                                    if (candidate instanceof ICECandidate) {
                                        ICECandidate iceCandidate = (ICECandidate) candidate;
                                        addValidRemoteCandidate(iceCandidate);
                                    }
                                }
                            }
                        }
                    }
                }
                for (int i = 0; i < 6; i++) {
                    try {
                        Thread.sleep(500);
                    } catch (InterruptedException e) {
                        LOGGER.log(Level.WARNING, "exception", e);
                    }
                    bestRemote = getBestRemoteCandidate();
                    //State state = getState();
                    if ((bestRemote != null) && ((getNegotiatorState() == JingleNegotiatorState.PENDING))) {
                        if (!acceptedRemoteCandidates.contains(bestRemote)) {
                            Jingle jout = new Jingle(JingleActionEnum.CONTENT_ACCEPT);
                            JingleContent content = parentNegotiator.getJingleContent();
                            content.addJingleTransport(getJingleTransport(bestRemote));
                            jout.addContent(content);
                            // Send the packet
                            try {
                                js.sendFormattedJingle(jin, jout);
                            } catch (InterruptedException | NotConnectedException e) {
                                throw new IllegalStateException(e);
                            }
                            acceptedRemoteCandidates.add(bestRemote);
                        }
                        if (isEstablished()) {
                            setNegotiatorState(JingleNegotiatorState.SUCCEEDED);
                            break;
                        }
                    }
                }
                if (getNegotiatorState() != JingleNegotiatorState.SUCCEEDED) {
                    try {
                        session.terminate("Unable to negotiate session. This may be caused by firewall configuration problems.");
                    } catch (Exception e) {
                        LOGGER.log(Level.WARNING, "exception", e);
                    }
                }
            }
        }, "Waiting for all the transport candidates checks...");
        resultThread.setName("Transport Resolver Result");
        resultThread.start();
    }
}
Also used : NotConnectedException(org.jivesoftware.smack.SmackException.NotConnectedException) SmackException(org.jivesoftware.smack.SmackException) NotConnectedException(org.jivesoftware.smack.SmackException.NotConnectedException) JingleException(org.jivesoftware.smackx.jingleold.JingleException) XMPPException(org.jivesoftware.smack.XMPPException) Jingle(org.jivesoftware.smackx.jingleold.packet.Jingle) JingleTransportCandidate(org.jivesoftware.smackx.jingleold.packet.JingleTransport.JingleTransportCandidate) JingleContent(org.jivesoftware.smackx.jingleold.packet.JingleContent)

Example 2 with Jingle

use of org.jivesoftware.smackx.jingleold.packet.Jingle in project Smack by igniterealtime.

the class TransportNegotiator method dispatchIncomingPacket.

/**
     * Dispatch an incoming packet. The method is responsible for recognizing
     * the stanza(/packet) type and, depending on the current state, deliverying the
     * stanza(/packet) to the right event handler and wait for a response.
     *
     * @param iq the stanza(/packet) received
     * @return the new Jingle stanza(/packet) to send.
     * @throws XMPPException
     * @throws SmackException 
     * @throws InterruptedException 
     */
@Override
public final List<IQ> dispatchIncomingPacket(IQ iq, String id) throws XMPPException, SmackException, InterruptedException {
    List<IQ> responses = new ArrayList<IQ>();
    IQ response = null;
    if (iq != null) {
        if (iq.getType().equals(IQ.Type.error)) {
            // Process errors
            setNegotiatorState(JingleNegotiatorState.FAILED);
            triggerTransportClosed(null);
            // This next line seems wrong, and may subvert the normal closing process.
            throw new JingleException(iq.getError().getDescriptiveText());
        } else if (iq.getType().equals(IQ.Type.result)) {
            // Process ACKs
            if (isExpectedId(iq.getStanzaId())) {
                response = receiveResult(iq);
                removeExpectedId(iq.getStanzaId());
            }
        } else if (iq instanceof Jingle) {
            // Get the action from the Jingle packet
            Jingle jingle = (Jingle) iq;
            JingleActionEnum action = jingle.getAction();
            switch(action) {
                case CONTENT_ACCEPT:
                    response = receiveContentAcceptAction(jingle);
                    break;
                case CONTENT_MODIFY:
                    break;
                case CONTENT_REMOVE:
                    break;
                case SESSION_INFO:
                    break;
                case SESSION_INITIATE:
                    response = receiveSessionInitiateAction(jingle);
                    break;
                case SESSION_ACCEPT:
                    response = receiveSessionAcceptAction(jingle);
                    break;
                case TRANSPORT_INFO:
                    response = receiveTransportInfoAction(jingle);
                    break;
                default:
                    break;
            }
        }
    }
    if (response != null) {
        addExpectedId(response.getStanzaId());
        responses.add(response);
    }
    return responses;
}
Also used : Jingle(org.jivesoftware.smackx.jingleold.packet.Jingle) ArrayList(java.util.ArrayList) IQ(org.jivesoftware.smack.packet.IQ) JingleActionEnum(org.jivesoftware.smackx.jingleold.JingleActionEnum) JingleException(org.jivesoftware.smackx.jingleold.JingleException)

Example 3 with Jingle

use of org.jivesoftware.smackx.jingleold.packet.Jingle in project Smack by igniterealtime.

the class JingleManager method initJingleSessionRequestListeners.

/**
     * Register the listenerJingles, waiting for a Jingle stanza(/packet) that tries to
     * establish a new session.
     */
private void initJingleSessionRequestListeners() {
    StanzaFilter initRequestFilter = new StanzaFilter() {

        // Return true if we accept this packet
        @Override
        public boolean accept(Stanza pin) {
            if (pin instanceof IQ) {
                IQ iq = (IQ) pin;
                if (iq.getType().equals(IQ.Type.set)) {
                    if (iq instanceof Jingle) {
                        Jingle jin = (Jingle) pin;
                        if (jin.getAction().equals(JingleActionEnum.SESSION_INITIATE)) {
                            return true;
                        }
                    }
                }
            }
            return false;
        }
    };
    jingleSessionRequestListeners = new ArrayList<JingleSessionRequestListener>();
    // Start a packet listener for session initiation requests
    connection.addAsyncStanzaListener(new StanzaListener() {

        @Override
        public void processStanza(Stanza packet) {
            triggerSessionRequested((Jingle) packet);
        }
    }, initRequestFilter);
}
Also used : Jingle(org.jivesoftware.smackx.jingleold.packet.Jingle) StanzaFilter(org.jivesoftware.smack.filter.StanzaFilter) Stanza(org.jivesoftware.smack.packet.Stanza) IQ(org.jivesoftware.smack.packet.IQ) StanzaListener(org.jivesoftware.smack.StanzaListener) JingleSessionRequestListener(org.jivesoftware.smackx.jingleold.listeners.JingleSessionRequestListener)

Example 4 with Jingle

use of org.jivesoftware.smackx.jingleold.packet.Jingle in project Smack by igniterealtime.

the class JingleSession method dispatchIncomingPacket.

/**
     * Dispatch an incoming packet. The method is responsible for recognizing
     * the stanza(/packet) type and, depending on the current state, delivering the
     * stanza(/packet) to the right event handler and wait for a response.
     * 
     * @param iq
     *            the stanza(/packet) received
     * @return the new Jingle stanza(/packet) to send.
     * @throws XMPPException
     * @throws SmackException 
     * @throws InterruptedException 
     */
@Override
public List<IQ> dispatchIncomingPacket(IQ iq, String id) throws XMPPException, SmackException, InterruptedException {
    List<IQ> responses = new ArrayList<IQ>();
    IQ response = null;
    if (iq != null) {
        if (iq.getType().equals(IQ.Type.error)) {
        // Process errors
        // TODO getState().eventError(iq);
        } else if (iq.getType().equals(IQ.Type.result)) {
            // Process ACKs
            if (isExpectedId(iq.getStanzaId())) {
                // Kick off some negotiators.
                if (iq.getStanzaId().equals(sessionInitPacketID)) {
                    startNegotiators();
                }
                removeExpectedId(iq.getStanzaId());
            }
        } else if (iq instanceof Jingle) {
            // It is not an error: it is a Jingle packet...
            Jingle jin = (Jingle) iq;
            JingleActionEnum action = jin.getAction();
            // Depending on the state we're in we'll get different processing actions.
            // (See Design Patterns AKA GoF State behavioral pattern.)
            response = getSessionState().processJingle(this, jin, action);
        }
    }
    if (response != null) {
        // Save the packet id, for recognizing ACKs...
        addExpectedId(response.getStanzaId());
        responses.add(response);
    }
    return responses;
}
Also used : Jingle(org.jivesoftware.smackx.jingleold.packet.Jingle) ArrayList(java.util.ArrayList) IQ(org.jivesoftware.smack.packet.IQ)

Example 5 with Jingle

use of org.jivesoftware.smackx.jingleold.packet.Jingle in project Smack by igniterealtime.

the class JingleProvider method parse.

/**
     * Parse a iq/jingle element.
     * @throws Exception 
     */
@Override
public Jingle parse(XmlPullParser parser, int intialDepth) throws Exception {
    Jingle jingle = new Jingle();
    String sid = "";
    JingleActionEnum action;
    Jid initiator = null;
    Jid responder = null;
    boolean done = false;
    JingleContent currentContent = null;
    // Sub-elements providers
    JingleContentProvider jcp = new JingleContentProvider();
    JingleDescriptionProvider jdpAudio = new JingleDescriptionProvider.Audio();
    JingleTransportProvider jtpRawUdp = new JingleTransportProvider.RawUdp();
    JingleTransportProvider jtpIce = new JingleTransportProvider.Ice();
    ExtensionElementProvider<?> jmipAudio = new JingleContentInfoProvider.Audio();
    int eventType;
    String elementName;
    String namespace;
    // Get some attributes for the <jingle> element
    sid = parser.getAttributeValue("", "sid");
    action = JingleActionEnum.getAction(parser.getAttributeValue("", "action"));
    initiator = ParserUtils.getJidAttribute(parser, "initiator");
    responder = ParserUtils.getJidAttribute(parser, "responder");
    jingle.setSid(sid);
    jingle.setAction(action);
    jingle.setInitiator(initiator);
    jingle.setResponder(responder);
    // Start processing sub-elements
    while (!done) {
        eventType = parser.next();
        elementName = parser.getName();
        namespace = parser.getNamespace();
        if (eventType == XmlPullParser.START_TAG) {
            if (elementName.equals(JingleContent.NODENAME)) {
                // Add a new <content> element to the jingle
                currentContent = jcp.parse(parser);
                jingle.addContent(currentContent);
            } else if (elementName.equals(JingleDescription.NODENAME) && namespace.equals(JingleDescription.Audio.NAMESPACE)) {
                // Set the <description> element of the <content>
                currentContent.setDescription(jdpAudio.parse(parser));
            } else if (elementName.equals(JingleTransport.NODENAME)) {
                // Parse the possible transport namespaces
                if (namespace.equals(JingleTransport.RawUdp.NAMESPACE)) {
                    currentContent.addJingleTransport(jtpRawUdp.parse(parser));
                } else if (namespace.equals(JingleTransport.Ice.NAMESPACE)) {
                    currentContent.addJingleTransport(jtpIce.parse(parser));
                } else {
                    throw new SmackException("Unknown transport namespace \"" + namespace + "\" in Jingle packet.");
                }
            } else if (namespace.equals(JingleContentInfo.Audio.NAMESPACE)) {
                jingle.setContentInfo((JingleContentInfo) jmipAudio.parse(parser));
            } else {
                throw new SmackException("Unknown combination of namespace \"" + namespace + "\" and element name \"" + elementName + "\" in Jingle packet.");
            }
        } else if (eventType == XmlPullParser.END_TAG) {
            if (parser.getName().equals(Jingle.getElementName())) {
                done = true;
            }
        }
    }
    return jingle;
}
Also used : Jid(org.jxmpp.jid.Jid) SmackException(org.jivesoftware.smack.SmackException) JingleActionEnum(org.jivesoftware.smackx.jingleold.JingleActionEnum) Jingle(org.jivesoftware.smackx.jingleold.packet.Jingle) JingleContentInfo(org.jivesoftware.smackx.jingleold.packet.JingleContentInfo) JingleContent(org.jivesoftware.smackx.jingleold.packet.JingleContent)

Aggregations

Jingle (org.jivesoftware.smackx.jingleold.packet.Jingle)12 IQ (org.jivesoftware.smack.packet.IQ)5 XMPPException (org.jivesoftware.smack.XMPPException)4 JingleContent (org.jivesoftware.smackx.jingleold.packet.JingleContent)4 ArrayList (java.util.ArrayList)3 SmackException (org.jivesoftware.smack.SmackException)3 JingleActionEnum (org.jivesoftware.smackx.jingleold.JingleActionEnum)3 JingleException (org.jivesoftware.smackx.jingleold.JingleException)3 NotConnectedException (org.jivesoftware.smack.SmackException.NotConnectedException)2 StanzaListener (org.jivesoftware.smack.StanzaListener)2 StanzaFilter (org.jivesoftware.smack.filter.StanzaFilter)2 Stanza (org.jivesoftware.smack.packet.Stanza)2 Jid (org.jxmpp.jid.Jid)2 JingleMediaListener (org.jivesoftware.smackx.jingleold.listeners.JingleMediaListener)1 JingleSessionRequestListener (org.jivesoftware.smackx.jingleold.listeners.JingleSessionRequestListener)1 JingleTransportListener (org.jivesoftware.smackx.jingleold.listeners.JingleTransportListener)1 JingleMediaManager (org.jivesoftware.smackx.jingleold.media.JingleMediaManager)1 MediaNegotiator (org.jivesoftware.smackx.jingleold.media.MediaNegotiator)1 PayloadType (org.jivesoftware.smackx.jingleold.media.PayloadType)1 JingleTransportManager (org.jivesoftware.smackx.jingleold.nat.JingleTransportManager)1