250 lines
8.4 KiB
Java
250 lines
8.4 KiB
Java
package eu.siacs.conversations.xmpp.jingle;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import android.util.Log;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.entities.Conversation;
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import eu.siacs.conversations.entities.Message;
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import eu.siacs.conversations.services.XmppConnectionService;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xmpp.OnIqPacketReceived;
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import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
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import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
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import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
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import eu.siacs.conversations.xmpp.stanzas.IqPacket;
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public class JingleConnection {
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private JingleConnectionManager mJingleConnectionManager;
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private XmppConnectionService mXmppConnectionService;
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public static final int STATUS_INITIATED = 0;
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public static final int STATUS_ACCEPTED = 1;
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public static final int STATUS_TERMINATED = 2;
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public static final int STATUS_CANCELED = 3;
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public static final int STATUS_FINISHED = 4;
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public static final int STATUS_FAILED = 99;
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private int status = -1;
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private Message message;
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private String sessionId;
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private Account account;
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private String initiator;
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private String responder;
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private List<Element> candidates = new ArrayList<Element>();
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private HashMap<String, SocksConnection> connections = new HashMap<String, SocksConnection>();
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private JingleFile file = null;
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private OnIqPacketReceived responseListener = new OnIqPacketReceived() {
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@Override
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public void onIqPacketReceived(Account account, IqPacket packet) {
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if (packet.getType() == IqPacket.TYPE_ERROR) {
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mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED);
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status = STATUS_FAILED;
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}
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}
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};
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public JingleConnection(JingleConnectionManager mJingleConnectionManager) {
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this.mJingleConnectionManager = mJingleConnectionManager;
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this.mXmppConnectionService = mJingleConnectionManager.getXmppConnectionService();
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}
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public String getSessionId() {
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return this.sessionId;
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}
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public String getAccountJid() {
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return this.account.getJid();
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}
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public String getCounterPart() {
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return this.message.getCounterpart();
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}
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public void deliverPacket(JinglePacket packet) {
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if (packet.isAction("session-terminate")) {
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Reason reason = packet.getReason();
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if (reason.hasChild("cancel")) {
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this.cancel();
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} else if (reason.hasChild("success")) {
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this.finish();
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}
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} else if (packet.isAction("session-accept")) {
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accept(packet);
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} else if (packet.isAction("transport-info")) {
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transportInfo(packet);
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} else {
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Log.d("xmppService","packet arrived in connection. action was "+packet.getAction());
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}
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}
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public void init(Message message) {
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this.message = message;
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this.account = message.getConversation().getAccount();
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this.initiator = this.account.getFullJid();
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this.responder = this.message.getCounterpart();
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this.sessionId = this.mJingleConnectionManager.nextRandomId();
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if (this.candidates.size() > 0) {
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this.sendInitRequest();
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} else {
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this.mJingleConnectionManager.getPrimaryCandidate(account, new OnPrimaryCandidateFound() {
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@Override
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public void onPrimaryCandidateFound(boolean success, Element canditate) {
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if (success) {
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candidates.add(canditate);
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}
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sendInitRequest();
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}
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});
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}
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}
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public void init(Account account, JinglePacket packet) {
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Conversation conversation = this.mXmppConnectionService.findOrCreateConversation(account, packet.getFrom().split("/")[0], false);
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this.message = new Message(conversation, "receiving image file", Message.ENCRYPTION_NONE);
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this.message.setType(Message.TYPE_IMAGE);
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this.message.setStatus(Message.STATUS_RECIEVING);
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this.account = account;
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this.initiator = packet.getFrom();
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this.responder = this.account.getFullJid();
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this.sessionId = packet.getSessionId();
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this.candidates.addAll(packet.getJingleContent().getCanditates());
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Log.d("xmppService","new incomming jingle session "+this.sessionId+" num canditaes:"+this.candidates.size());
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}
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private void sendInitRequest() {
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JinglePacket packet = this.bootstrapPacket();
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packet.setAction("session-initiate");
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packet.setInitiator(this.account.getFullJid());
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Content content = new Content();
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if (message.getType() == Message.TYPE_IMAGE) {
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content.setAttribute("creator", "initiator");
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content.setAttribute("name", "a-file-offer");
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this.file = this.mXmppConnectionService.getFileBackend().getImageFile(message);
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content.offerFile(file,message.getBody());
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content.setCandidates(this.mJingleConnectionManager.nextRandomId(),this.candidates);
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packet.setContent(content);
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Log.d("xmppService",packet.toString());
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account.getXmppConnection().sendIqPacket(packet, this.responseListener);
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this.status = STATUS_INITIATED;
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}
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}
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private JinglePacket bootstrapPacket() {
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JinglePacket packet = new JinglePacket();
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packet.setFrom(account.getFullJid());
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packet.setTo(this.message.getCounterpart()); //fixme, not right in all cases;
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packet.setSessionId(this.sessionId);
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return packet;
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}
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private void accept(JinglePacket packet) {
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Log.d("xmppService","session-accept: "+packet.toString());
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Content content = packet.getJingleContent();
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this.candidates.addAll(content.getCanditates());
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this.status = STATUS_ACCEPTED;
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this.connectWithCandidates();
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IqPacket response = packet.generateRespone(IqPacket.TYPE_RESULT);
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Log.d("xmppService","response "+response.toString());
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account.getXmppConnection().sendIqPacket(response, null);
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}
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private void transportInfo(JinglePacket packet) {
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Content content = packet.getJingleContent();
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Log.d("xmppService","transport info : "+content.toString());
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String cid = content.getUsedCandidate();
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if (cid!=null) {
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final JingleFile file = this.mXmppConnectionService.getFileBackend().getImageFile(this.message);
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final SocksConnection connection = this.connections.get(cid);
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final OnFileTransmitted callback = new OnFileTransmitted() {
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@Override
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public void onFileTransmitted(JingleFile file) {
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Log.d("xmppService","sucessfully transmitted file. sha1:"+file.getSha1Sum());
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}
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};
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final IqPacket response = packet.generateRespone(IqPacket.TYPE_RESULT);
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if (connection.isProxy()) {
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IqPacket activation = new IqPacket(IqPacket.TYPE_SET);
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activation.setTo(connection.getJid());
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activation.query("http://jabber.org/protocol/bytestreams").setAttribute("sid", this.getSessionId());
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activation.query().addChild("activate").setContent(this.getResponder());
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Log.d("xmppService","connection is proxy. need to activate "+activation.toString());
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this.account.getXmppConnection().sendIqPacket(activation, new OnIqPacketReceived() {
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@Override
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public void onIqPacketReceived(Account account, IqPacket packet) {
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account.getXmppConnection().sendIqPacket(response, null);
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Log.d("xmppService","activation result: "+packet.toString());
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connection.send(file,callback);
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}
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});
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} else {
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account.getXmppConnection().sendIqPacket(response, null);
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connection.send(file,callback);
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}
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}
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}
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private void finish() {
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this.status = STATUS_FINISHED;
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this.mXmppConnectionService.markMessage(this.message, Message.STATUS_SEND);
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this.disconnect();
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}
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public void cancel() {
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this.disconnect();
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this.status = STATUS_CANCELED;
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this.mXmppConnectionService.markMessage(this.message, Message.STATUS_SEND_REJECTED);
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}
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private void connectWithCandidates() {
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for(Element canditate : this.candidates) {
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String host = canditate.getAttribute("host");
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int port = Integer.parseInt(canditate.getAttribute("port"));
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String type = canditate.getAttribute("type");
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String jid = canditate.getAttribute("jid");
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SocksConnection socksConnection = new SocksConnection(this, host, jid, port,type);
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socksConnection.connect();
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this.connections.put(canditate.getAttribute("cid"), socksConnection);
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}
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}
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private void disconnect() {
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Iterator<Entry<String, SocksConnection>> it = this.connections.entrySet().iterator();
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while (it.hasNext()) {
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Entry<String, SocksConnection> pairs = it.next();
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pairs.getValue().disconnect();
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it.remove();
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}
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}
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private void sendCandidateUsed(String cid) {
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}
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public String getInitiator() {
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return this.initiator;
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}
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public String getResponder() {
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return this.responder;
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}
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public int getStatus() {
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return this.status;
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}
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}
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