import javax.sdp.SessionDescription; //导入依赖的package包/类
void startConversation(Message response,
		Transaction clientTransaction) throws SipException,
		SdpParseException, SdpException, IOException,
		NoDataSourceException, NoProcessorException, InterruptedException,
		NotConfiguredError, NotRealizedError, NoDataSinkException,
		InvalidSessionAddressException, UnknownHostException {
	System.out.println("Starting conversation");

	String sdpData = new String(response.getRawContent());
	SdpFactory sdpFactory = new SdpFactory();
	SessionDescription sessionDescription = sdpFactory
			.createSessionDescription(sdpData);
	Vector mediaDescriptions = sessionDescription
			.getMediaDescriptions(true);
	for (int mdNum = 0; mdNum < mediaDescriptions.size(); mdNum++) {
		MediaDescription mediaDescription = (MediaDescription) mediaDescriptions
				.elementAt(mdNum);
		Media media = mediaDescription.getMedia();
		String proto = media.getProtocol();
		String type = media.getMediaType();
		int port = media.getMediaPort();

		Vector formats = media.getMediaFormats(true);

		if (formats.size() < 1) {
			BrokerFactory.getLoggingBroker().logWarn(
					"In SIP outbound call: No audio formats");
		}
		int sdpFormat = SdpConstants.PCMU;
		try {
			sdpFormat = Integer.parseInt((String) formats.elementAt(0));
		} catch (NumberFormatException nfExc) {
			nfExc.printStackTrace();
		}

		startReceiver(localMediaPort);
		transmitter = new RtpTransmitter(remoteHost, port, sdpFormat);
	}
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 * Handle a answer request
 */
public boolean handleAnswerRequest(Interlocutor interlocutor) {

    // cancel call request if no Media Locator
    if (PhoneManager.isUseStaticLocator() && PhoneManager.isUsingMediaLocator()) {
        return false;
    }

    PhoneManager.setUsingMediaLocator(true);

    SessionDescription sdpData = null;
    try {
        sdpData = mediaManager.generateSdpDescription();
        interlocutor.getCall().setLocalSdpDescription(sdpData);
    }
    catch (MediaException ex) {
        try {
            sipManager.sendServerInternalError(interlocutor.getID());
        }
        catch (CommunicationsException ex1) {
            Log.error("handleAnswerRequest", ex1);
        }
        return false;
    }
    try {
        sipManager.answerCall(interlocutor.getID(), sdpData.toString());
    }
    catch (CommunicationsException exc) {
        Log.error("handleAnswerRequest", exc);
        return false;
    }
    return true;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 * Handle a dial request
 */
public void handleDialRequest(String phoneNumber) {
    try {

        System.err.println("Audio Static:" + PhoneManager.isUseStaticLocator() + " Using:" + PhoneManager.isUsingMediaLocator());

        // cancel call request if no Media Locator
        if (PhoneManager.isUseStaticLocator() && PhoneManager.isUsingMediaLocator()) {
            return;
        }

        PhoneManager.setUsingMediaLocator(true);

        SessionDescription sdpData = mediaManager.generateSdpDescription();

        Call call = sipManager.establishCall(phoneNumber, sdpData.toString());

        if (call == null) return;

        call.setLocalSdpDescription(sdpData);

        call.addStateChangeListener(this);
        Interlocutor interlocutor = new Interlocutor();
        interlocutor.setCall(call);

        guiManager.addInterlocutor(interlocutor);
    }
    catch (Exception e) {
        Log.error("handleDialRequest", e);
    }
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 *
 * @param offer the received offer
 * @return The answer to respond with.
 */
public Answer handleOffer(Offer offer) throws Exception {

    String fingerPrint = CertUtil.getCertFingerPrint(
            keyStoreInfo.getFilePath(),
            keyStoreInfo.getAlias(),
            keyStoreInfo.getPassword());

    SessionDescription sdp = offer.getSdp();
    sdp.setAttribute("fingerprint", fingerPrint);
    MediaDescription med = (MediaDescription)sdp.getMediaDescriptions(true).get(0);
    med.setAttribute("fingerprint", fingerPrint);

    String pwd = med.getAttribute("ice-pwd");
    String user = med.getAttribute("ice-ufrag");

    String cand = med.getAttribute("candidate");
    List<String> candData = Arrays.asList(cand.split(" "));

    String ip = candData.get(4);
    String port = candData.get(5);

    this.setRemote(new UserData(user,pwd));

    /**
     * TODO The below should be defined outside PeerConnection
     *
     * This is a huge hack now. Should follow browser API
     * and create datachannel from the outside.
     */
    DataChannelImpl conn = new DataChannelImpl(this);

    //Add handling of input
    conn.onOpen(() -> {
        logger.info("Running onOpen");
        conn.send("I'M SO OPEN!!!");
    });
    conn.onMessage((i)->{
        String in = new String(i.getData());
        //logger.info("Running onMessage: " + in);
        conn.send("ECHO: " + in);
    });
    conn.onError((i)->{
        logger.info("Received error",i.getError());
    });

    new Thread(conn).start();

    String localAddress = InetAddress.getLocalHost().getHostAddress();
    String address = System.getProperty("com.bitbreeds.ip",localAddress);
    logger.info("Adr: {}", address);
    med.setAttribute("ice-pwd",local.getPassword());
    med.setAttribute("ice-ufrag",local.getUserName());
    med.setAttribute("candidate","1 1 UDP 2122252543 "+address+" "+conn.getPort()+" typ host");

    return new Answer(sdp);
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
public Offer(SessionDescription sdp) {
    this.sdp = sdp;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
public SessionDescription getSdp() {
    return sdp;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
public Answer(SessionDescription sdp) {
    this.sdp = sdp;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public final ArrayList<AudioData> getAudioData()
{
	if (getMessage().getRawContent() == null)
		return null;
	ArrayList<AudioData> list = new ArrayList<AudioData>();
	String content = new String(getMessage().getRawContent());
	logger.debug("content=<" + content + ">");
	try {
	    SessionDescription sdp = sdpFactory.createSessionDescription(content);
		String ipAddy = sdp.getConnection().getAddress();
		Vector<MediaDescriptionImpl> descriptors = (Vector<MediaDescriptionImpl>)sdp.getMediaDescriptions(true);
		Iterator<MediaDescriptionImpl> it = descriptors.iterator();
		while (it.hasNext()) {
			MediaDescriptionImpl mediaDescription = it.next();
			MediaField field = mediaDescription.getMediaField();
			if (field == null) {
				logger.warn("Missing media field");
				continue;
			}
			AudioData audio = new AudioData();
			audio.ipAddy = ipAddy;
			audio.rtpPort = field.getPort();
			Vector formats = field.getFormats();
			if (formats == null) {
				list.add(audio);
				continue;
			}
			if (formats.size() < 1) {
				list.add(audio);
				continue;
			}
			audio.payloadType = (String) field.getFormats().get(0);

			Vector attributes = mediaDescription.getAttributeFields();
			if (attributes == null) {
				list.add(audio);
				continue;
			}
			Iterator ait = attributes.iterator();
			while (ait.hasNext()) {
				Object objay = ait.next();
				if (! (objay instanceof AttributeField))
					continue;
				AttributeField afield = (AttributeField)objay;
				if (! "rtpmap".equals(afield.getName()))
					continue;
				String [] parsed = afield.getValue().split("[ /]");
				if (parsed.length < 3)
					continue;
				if (! parsed[0].equals(audio.payloadType))
					continue;
				audio.payloadDescription = parsed[1];
				audio.sampleRate = parsed[2];
			}
			list.add(audio);
			logger.info(getCallId() + " audio=" + audio.toString());
		}
		return list;
	} catch (Exception e) {
		e.printStackTrace();
	}
	return list;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 * @param response
 * @param clientTransaction
 * @throws SipException
 * @throws SdpParseException
 * @throws SdpException
 * @throws IOException
 * @throws NoDataSourceException
 * @throws NoProcessorException
 * @throws InterruptedException
 * @throws NotConfiguredError
 * @throws NotRealizedError
 * @throws NoDataSinkException
 * @throws InvalidSessionAddressException
 * @throws UnknownHostException
 */
void startConversation(Message response,
		Transaction clientTransaction) throws SipException,
		SdpParseException, SdpException, IOException,
		NoDataSourceException, NoProcessorException, InterruptedException,
		NotConfiguredError, NotRealizedError, NoDataSinkException,
		InvalidSessionAddressException, UnknownHostException {
	System.out.println("Starting conversation");

	String sdpData = new String(response.getRawContent());
	SdpFactory sdpFactory = new SdpFactory();
	SessionDescription sessionDescription = sdpFactory
			.createSessionDescription(sdpData);
	Vector mediaDescriptions = sessionDescription
			.getMediaDescriptions(true);
	BrokerFactory.getLoggingBroker().logDebug("We have "+mediaDescriptions.size()+" media descriptions");
	for (int mdNum = 0; mdNum < mediaDescriptions.size(); mdNum++) {
		MediaDescription mediaDescription = (MediaDescription) mediaDescriptions
				.elementAt(mdNum);
		Media media = mediaDescription.getMedia();
		String proto = media.getProtocol();
		String type = media.getMediaType();
		int port = media.getMediaPort();

		Vector formats = media.getMediaFormats(true);

		if (formats.size() < 1) {
			BrokerFactory.getLoggingBroker().logWarn(
					"In SIP outbound call: No audio formats");
		}
		int sdpFormat = SdpConstants.PCMU;
		try {
			sdpFormat = Integer.parseInt((String) formats.elementAt(0));
		} catch (NumberFormatException nfExc) {
			nfExc.printStackTrace();
		}

                       transmitter = new RtpTransmitter(remoteHost, port, sdpFormat);

		startReceiver(remoteHost, port);
		BrokerFactory.getLoggingBroker().logDebug("Starting transmitter");
		transmitter = new RtpTransmitter(remoteHost, port, sdpFormat);
		BrokerFactory.getLoggingBroker().logDebug("transmitter="+transmitter);
	}
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 * Generates the Hold Description for a Call.
 *
 * @param setAudio set hold on Audio.
 * @param setVideo set hold on Video.
 * @param call     the call that you want to hold.
 * @return SessionDescription of a call.
 * @throws MediaException
 */
public SessionDescription generateHoldSdpDescription(boolean setAudio, boolean setVideo, Call call)
        throws MediaException {
    try {
        SessionDescription sessDescr = sdpFactory
                .createSessionDescription();

        Version v = sdpFactory.createVersion(0);

        InetSocketAddress publicAudioAddress = NetworkAddressManager
                .getPublicAddressFor(((MediaDescription) (call.getLocalSdpDescription().getMediaDescriptions(true).get(0))).getMedia().getMediaPort());
        InetAddress publicIpAddress = publicAudioAddress.getAddress();
        String addrType = publicIpAddress instanceof Inet6Address ? "IP6"
                : "IP4";

        Origin o = sdpFactory.createOrigin(SIPConfig.getUserName()
                .replace(' ', '_'), 20109217, 2, "IN", addrType,
                publicIpAddress.getHostAddress());
        SessionName s = sdpFactory.createSessionName("<SparkPhone>");
        Connection c = sdpFactory.createConnection("IN", addrType,
                publicIpAddress.getHostAddress());
        TimeDescription t = sdpFactory.createTimeDescription();
        Vector<TimeDescription> timeDescs = new Vector<TimeDescription>();
        timeDescs.add(t);
        String[] formats = new String[getAudioFormats().size()];

        int i = 0;
        for (AudioFormat audioFormat : getAudioFormats()) {
            formats[i++] = AudioFormatUtils.findCorrespondingSdpFormat(audioFormat.getEncoding());
        }

        MediaDescription am = sdpFactory.createMediaDescription(
                "audio", publicAudioAddress.getPort(), 1, "RTP/AVP",
                formats);

        am.setAttribute(setAudio ? "sendonly" : "sendrecv", null);

        am.setAttribute("rtmap:101", "telephone-event/"
                + publicAudioAddress.getPort());

        Vector<MediaDescription> mediaDescs = new Vector<MediaDescription>();

        mediaDescs.add(am);

        sessDescr.setVersion(v);
        sessDescr.setOrigin(o);
        sessDescr.setConnection(c);
        sessDescr.setSessionName(s);
        sessDescr.setTimeDescriptions(timeDescs);
        if (mediaDescs.size() > 0)
            sessDescr.setMediaDescriptions(mediaDescs);
        return sessDescr;
    }
    catch (SdpException exc) {
        throw new MediaException(
                "An SDP exception occurred while generating local sdp description",
                exc);
    }
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
public SessionDescription getLocalSdpDescription() {
    return localSdpDescription;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
public void setLocalSdpDescription(SessionDescription localSdpDescription) {
    this.localSdpDescription = localSdpDescription;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
public void hold(int callID, SessionDescription sdp, boolean mic, boolean cam)
        throws CommunicationsException {
    callProcessing.hold(callID, sdp.toString());
    callProcessing.callDispatcher.getCall(callID).onHoldMic(mic);
    callProcessing.callDispatcher.getCall(callID).onHoldCam(cam);
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 * Set remote SDP Description of this call
 *
 * @param data the remoteSdpDescription to set.
 */
void setRemoteSdpDescription(SessionDescription data) {
    this.remoteSdpDescription = data;
}
 

import javax.sdp.SessionDescription; //导入依赖的package包/类
/**
 * Get remote SDP Description of this call
 *
 * @return Returns the remoteSdpDescription.
 */
public SessionDescription getRemoteSdpDescription() {
    return remoteSdpDescription;
}