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|
package eu.siacs.conversations.xmpp.jingle;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.util.Log;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Downloadable;
import eu.siacs.conversations.entities.DownloadableFile;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.OnIqPacketReceived;
import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
public class JingleConnection implements Downloadable {
private final String[] extensions = { "webp", "jpeg", "jpg", "png" };
private final String[] cryptoExtensions = { "pgp", "gpg", "otr" };
private JingleConnectionManager mJingleConnectionManager;
private XmppConnectionService mXmppConnectionService;
protected static final int JINGLE_STATUS_INITIATED = 0;
protected static final int JINGLE_STATUS_ACCEPTED = 1;
protected static final int JINGLE_STATUS_TERMINATED = 2;
protected static final int JINGLE_STATUS_CANCELED = 3;
protected static final int JINGLE_STATUS_FINISHED = 4;
protected static final int JINGLE_STATUS_TRANSMITTING = 5;
protected static final int JINGLE_STATUS_FAILED = 99;
private int ibbBlockSize = 4096;
private int mJingleStatus = -1;
private int mStatus = -1;
private Message message;
private String sessionId;
private Account account;
private String initiator;
private String responder;
private List<JingleCandidate> candidates = new ArrayList<JingleCandidate>();
private ConcurrentHashMap<String, JingleSocks5Transport> connections = new ConcurrentHashMap<String, JingleSocks5Transport>();
private String transportId;
private Element fileOffer;
private DownloadableFile file = null;
private String contentName;
private String contentCreator;
private boolean receivedCandidate = false;
private boolean sentCandidate = false;
private boolean acceptedAutomatically = false;
private JingleTransport transport = null;
private OnIqPacketReceived responseListener = new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
if (packet.getType() == IqPacket.TYPE_ERROR) {
if (initiator.equals(account.getFullJid())) {
mXmppConnectionService.markMessage(message,
Message.STATUS_SEND_FAILED);
}
mJingleStatus = JINGLE_STATUS_FAILED;
}
}
};
final OnFileTransmissionStatusChanged onFileTransmissionSatusChanged = new OnFileTransmissionStatusChanged() {
@Override
public void onFileTransmitted(DownloadableFile file) {
if (responder.equals(account.getFullJid())) {
sendSuccess();
if (acceptedAutomatically) {
message.markUnread();
JingleConnection.this.mXmppConnectionService
.getNotificationService().push(message);
}
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(file.getAbsolutePath(), options);
int imageHeight = options.outHeight;
int imageWidth = options.outWidth;
message.setBody(Long.toString(file.getSize()) + '|'
+ imageWidth + '|' + imageHeight);
mXmppConnectionService.databaseBackend.createMessage(message);
mXmppConnectionService.markMessage(message,
Message.STATUS_RECEIVED);
}
Log.d(Config.LOGTAG,
"sucessfully transmitted file:" + file.getAbsolutePath());
if (message.getEncryption() != Message.ENCRYPTION_PGP) {
Intent intent = new Intent(
Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
intent.setData(Uri.fromFile(file));
mXmppConnectionService.sendBroadcast(intent);
}
}
@Override
public void onFileTransferAborted() {
JingleConnection.this.sendCancel();
JingleConnection.this.cancel();
}
};
private OnProxyActivated onProxyActivated = new OnProxyActivated() {
@Override
public void success() {
if (initiator.equals(account.getFullJid())) {
Log.d(Config.LOGTAG, "we were initiating. sending file");
transport.send(file, onFileTransmissionSatusChanged);
} else {
transport.receive(file, onFileTransmissionSatusChanged);
Log.d(Config.LOGTAG, "we were responding. receiving file");
}
}
@Override
public void failed() {
Log.d(Config.LOGTAG, "proxy activation failed");
}
};
public JingleConnection(JingleConnectionManager mJingleConnectionManager) {
this.mJingleConnectionManager = mJingleConnectionManager;
this.mXmppConnectionService = mJingleConnectionManager
.getXmppConnectionService();
}
public String getSessionId() {
return this.sessionId;
}
public Account getAccount() {
return this.account;
}
public String getCounterPart() {
return this.message.getCounterpart();
}
public void deliverPacket(JinglePacket packet) {
boolean returnResult = true;
if (packet.isAction("session-terminate")) {
Reason reason = packet.getReason();
if (reason != null) {
if (reason.hasChild("cancel")) {
this.cancel();
} else if (reason.hasChild("success")) {
this.receiveSuccess();
} else {
this.cancel();
}
} else {
this.cancel();
}
} else if (packet.isAction("session-accept")) {
returnResult = receiveAccept(packet);
} else if (packet.isAction("transport-info")) {
returnResult = receiveTransportInfo(packet);
} else if (packet.isAction("transport-replace")) {
if (packet.getJingleContent().hasIbbTransport()) {
returnResult = this.receiveFallbackToIbb(packet);
} else {
returnResult = false;
Log.d(Config.LOGTAG, "trying to fallback to something unknown"
+ packet.toString());
}
} else if (packet.isAction("transport-accept")) {
returnResult = this.receiveTransportAccept(packet);
} else {
Log.d(Config.LOGTAG, "packet arrived in connection. action was "
+ packet.getAction());
returnResult = false;
}
IqPacket response;
if (returnResult) {
response = packet.generateRespone(IqPacket.TYPE_RESULT);
} else {
response = packet.generateRespone(IqPacket.TYPE_ERROR);
}
account.getXmppConnection().sendIqPacket(response, null);
}
public void init(Message message) {
this.contentCreator = "initiator";
this.contentName = this.mJingleConnectionManager.nextRandomId();
this.message = message;
this.account = message.getConversation().getAccount();
this.initiator = this.account.getFullJid();
this.responder = this.message.getCounterpart();
this.sessionId = this.mJingleConnectionManager.nextRandomId();
if (this.candidates.size() > 0) {
this.sendInitRequest();
} else {
this.mJingleConnectionManager.getPrimaryCandidate(account,
new OnPrimaryCandidateFound() {
@Override
public void onPrimaryCandidateFound(boolean success,
final JingleCandidate candidate) {
if (success) {
final JingleSocks5Transport socksConnection = new JingleSocks5Transport(
JingleConnection.this, candidate);
connections.put(candidate.getCid(),
socksConnection);
socksConnection
.connect(new OnTransportConnected() {
@Override
public void failed() {
Log.d(Config.LOGTAG,
"connection to our own primary candidete failed");
sendInitRequest();
}
@Override
public void established() {
Log.d(Config.LOGTAG,
"succesfully connected to our own primary candidate");
mergeCandidate(candidate);
sendInitRequest();
}
});
mergeCandidate(candidate);
} else {
Log.d(Config.LOGTAG,
"no primary candidate of our own was found");
sendInitRequest();
}
}
});
}
}
public void init(Account account, JinglePacket packet) {
this.mJingleStatus = JINGLE_STATUS_INITIATED;
Conversation conversation = this.mXmppConnectionService
.findOrCreateConversation(account,
packet.getFrom().split("/", 2)[0], false);
this.message = new Message(conversation, "", Message.ENCRYPTION_NONE);
this.message.setStatus(Message.STATUS_RECEIVED);
this.message.setType(Message.TYPE_IMAGE);
this.mStatus = Downloadable.STATUS_OFFER;
this.message.setDownloadable(this);
String[] fromParts = packet.getFrom().split("/", 2);
this.message.setPresence(fromParts[1]);
this.account = account;
this.initiator = packet.getFrom();
this.responder = this.account.getFullJid();
this.sessionId = packet.getSessionId();
Content content = packet.getJingleContent();
this.contentCreator = content.getAttribute("creator");
this.contentName = content.getAttribute("name");
this.transportId = content.getTransportId();
this.mergeCandidates(JingleCandidate.parse(content.socks5transport()
.getChildren()));
this.fileOffer = packet.getJingleContent().getFileOffer();
if (fileOffer != null) {
Element fileSize = fileOffer.findChild("size");
Element fileNameElement = fileOffer.findChild("name");
if (fileNameElement != null) {
boolean supportedFile = false;
String[] filename = fileNameElement.getContent()
.toLowerCase(Locale.US).split("\\.");
if (Arrays.asList(this.extensions).contains(
filename[filename.length - 1])) {
supportedFile = true;
} else if (Arrays.asList(this.cryptoExtensions).contains(
filename[filename.length - 1])) {
if (filename.length == 3) {
if (Arrays.asList(this.extensions).contains(
filename[filename.length - 2])) {
supportedFile = true;
if (filename[filename.length - 1].equals("otr")) {
Log.d(Config.LOGTAG, "receiving otr file");
this.message
.setEncryption(Message.ENCRYPTION_OTR);
} else {
this.message
.setEncryption(Message.ENCRYPTION_PGP);
}
}
}
}
if (supportedFile) {
long size = Long.parseLong(fileSize.getContent());
message.setBody(Long.toString(size));
conversation.add(message);
mXmppConnectionService.updateConversationUi();
if (size <= this.mJingleConnectionManager
.getAutoAcceptFileSize()) {
Log.d(Config.LOGTAG, "auto accepting file from "
+ packet.getFrom());
this.acceptedAutomatically = true;
this.sendAccept();
} else {
message.markUnread();
Log.d(Config.LOGTAG,
"not auto accepting new file offer with size: "
+ size
+ " allowed size:"
+ this.mJingleConnectionManager
.getAutoAcceptFileSize());
this.mXmppConnectionService.getNotificationService()
.push(message);
}
this.file = this.mXmppConnectionService.getFileBackend()
.getFile(message, false);
if (message.getEncryption() == Message.ENCRYPTION_OTR) {
byte[] key = conversation.getSymmetricKey();
if (key == null) {
this.sendCancel();
this.cancel();
return;
} else {
this.file.setKey(key);
}
}
this.file.setExpectedSize(size);
} else {
this.sendCancel();
this.cancel();
}
} else {
this.sendCancel();
this.cancel();
}
} else {
this.sendCancel();
this.cancel();
}
}
private void sendInitRequest() {
JinglePacket packet = this.bootstrapPacket("session-initiate");
Content content = new Content(this.contentCreator, this.contentName);
if (message.getType() == Message.TYPE_IMAGE) {
content.setTransportId(this.transportId);
this.file = this.mXmppConnectionService.getFileBackend().getFile(
message, false);
if (message.getEncryption() == Message.ENCRYPTION_OTR) {
Conversation conversation = this.message.getConversation();
this.mXmppConnectionService.renewSymmetricKey(conversation);
content.setFileOffer(this.file, true);
this.file.setKey(conversation.getSymmetricKey());
} else {
content.setFileOffer(this.file, false);
}
this.transportId = this.mJingleConnectionManager.nextRandomId();
content.setTransportId(this.transportId);
content.socks5transport().setChildren(getCandidatesAsElements());
packet.setContent(content);
this.sendJinglePacket(packet);
this.mJingleStatus = JINGLE_STATUS_INITIATED;
}
}
private List<Element> getCandidatesAsElements() {
List<Element> elements = new ArrayList<Element>();
for (JingleCandidate c : this.candidates) {
elements.add(c.toElement());
}
return elements;
}
private void sendAccept() {
mJingleStatus = JINGLE_STATUS_ACCEPTED;
this.mStatus = Downloadable.STATUS_DOWNLOADING;
mXmppConnectionService.updateConversationUi();
this.mJingleConnectionManager.getPrimaryCandidate(this.account,
new OnPrimaryCandidateFound() {
@Override
public void onPrimaryCandidateFound(boolean success,
final JingleCandidate candidate) {
final JinglePacket packet = bootstrapPacket("session-accept");
final Content content = new Content(contentCreator,
contentName);
content.setFileOffer(fileOffer);
content.setTransportId(transportId);
if ((success) && (!equalCandidateExists(candidate))) {
final JingleSocks5Transport socksConnection = new JingleSocks5Transport(
JingleConnection.this, candidate);
connections.put(candidate.getCid(), socksConnection);
socksConnection.connect(new OnTransportConnected() {
@Override
public void failed() {
Log.d(Config.LOGTAG,
"connection to our own primary candidate failed");
content.socks5transport().setChildren(
getCandidatesAsElements());
packet.setContent(content);
sendJinglePacket(packet);
connectNextCandidate();
}
@Override
public void established() {
Log.d(Config.LOGTAG,
"connected to primary candidate");
mergeCandidate(candidate);
content.socks5transport().setChildren(
getCandidatesAsElements());
packet.setContent(content);
sendJinglePacket(packet);
connectNextCandidate();
}
});
} else {
Log.d(Config.LOGTAG,
"did not find a primary candidate for ourself");
content.socks5transport().setChildren(
getCandidatesAsElements());
packet.setContent(content);
sendJinglePacket(packet);
connectNextCandidate();
}
}
});
}
private JinglePacket bootstrapPacket(String action) {
JinglePacket packet = new JinglePacket();
packet.setAction(action);
packet.setFrom(account.getFullJid());
packet.setTo(this.message.getCounterpart());
packet.setSessionId(this.sessionId);
packet.setInitiator(this.initiator);
return packet;
}
private void sendJinglePacket(JinglePacket packet) {
// Log.d(Config.LOGTAG,packet.toString());
account.getXmppConnection().sendIqPacket(packet, responseListener);
}
private boolean receiveAccept(JinglePacket packet) {
Content content = packet.getJingleContent();
mergeCandidates(JingleCandidate.parse(content.socks5transport()
.getChildren()));
this.mJingleStatus = JINGLE_STATUS_ACCEPTED;
mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND);
this.connectNextCandidate();
return true;
}
private boolean receiveTransportInfo(JinglePacket packet) {
Content content = packet.getJingleContent();
if (content.hasSocks5Transport()) {
if (content.socks5transport().hasChild("activated")) {
if ((this.transport != null)
&& (this.transport instanceof JingleSocks5Transport)) {
onProxyActivated.success();
} else {
String cid = content.socks5transport()
.findChild("activated").getAttribute("cid");
Log.d(Config.LOGTAG, "received proxy activated (" + cid
+ ")prior to choosing our own transport");
JingleSocks5Transport connection = this.connections
.get(cid);
if (connection != null) {
connection.setActivated(true);
} else {
Log.d(Config.LOGTAG, "activated connection not found");
this.sendCancel();
this.cancel();
}
}
return true;
} else if (content.socks5transport().hasChild("proxy-error")) {
onProxyActivated.failed();
return true;
} else if (content.socks5transport().hasChild("candidate-error")) {
Log.d(Config.LOGTAG, "received candidate error");
this.receivedCandidate = true;
if ((mJingleStatus == JINGLE_STATUS_ACCEPTED)
&& (this.sentCandidate)) {
this.connect();
}
return true;
} else if (content.socks5transport().hasChild("candidate-used")) {
String cid = content.socks5transport()
.findChild("candidate-used").getAttribute("cid");
if (cid != null) {
Log.d(Config.LOGTAG, "candidate used by counterpart:" + cid);
JingleCandidate candidate = getCandidate(cid);
candidate.flagAsUsedByCounterpart();
this.receivedCandidate = true;
if ((mJingleStatus == JINGLE_STATUS_ACCEPTED)
&& (this.sentCandidate)) {
this.connect();
} else {
Log.d(Config.LOGTAG,
"ignoring because file is already in transmission or we havent sent our candidate yet");
}
return true;
} else {
return false;
}
} else {
return false;
}
} else {
return true;
}
}
private void connect() {
final JingleSocks5Transport connection = chooseConnection();
this.transport = connection;
if (connection == null) {
Log.d(Config.LOGTAG, "could not find suitable candidate");
this.disconnect();
if (this.initiator.equals(account.getFullJid())) {
this.sendFallbackToIbb();
}
} else {
this.mJingleStatus = JINGLE_STATUS_TRANSMITTING;
if (connection.needsActivation()) {
if (connection.getCandidate().isOurs()) {
Log.d(Config.LOGTAG, "candidate "
+ connection.getCandidate().getCid()
+ " was our proxy. going to activate");
IqPacket activation = new IqPacket(IqPacket.TYPE_SET);
activation.setTo(connection.getCandidate().getJid());
activation.query("http://jabber.org/protocol/bytestreams")
.setAttribute("sid", this.getSessionId());
activation.query().addChild("activate")
.setContent(this.getCounterPart());
this.account.getXmppConnection().sendIqPacket(activation,
new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account,
IqPacket packet) {
if (packet.getType() == IqPacket.TYPE_ERROR) {
onProxyActivated.failed();
} else {
onProxyActivated.success();
sendProxyActivated(connection
.getCandidate().getCid());
}
}
});
} else {
Log.d(Config.LOGTAG,
"candidate "
+ connection.getCandidate().getCid()
+ " was a proxy. waiting for other party to activate");
}
} else {
if (initiator.equals(account.getFullJid())) {
Log.d(Config.LOGTAG, "we were initiating. sending file");
connection.send(file, onFileTransmissionSatusChanged);
} else {
Log.d(Config.LOGTAG, "we were responding. receiving file");
connection.receive(file, onFileTransmissionSatusChanged);
}
}
}
}
private JingleSocks5Transport chooseConnection() {
JingleSocks5Transport connection = null;
for (Entry<String, JingleSocks5Transport> cursor : connections
.entrySet()) {
JingleSocks5Transport currentConnection = cursor.getValue();
// Log.d(Config.LOGTAG,"comparing candidate: "+currentConnection.getCandidate().toString());
if (currentConnection.isEstablished()
&& (currentConnection.getCandidate().isUsedByCounterpart() || (!currentConnection
.getCandidate().isOurs()))) {
// Log.d(Config.LOGTAG,"is usable");
if (connection == null) {
connection = currentConnection;
} else {
if (connection.getCandidate().getPriority() < currentConnection
.getCandidate().getPriority()) {
connection = currentConnection;
} else if (connection.getCandidate().getPriority() == currentConnection
.getCandidate().getPriority()) {
// Log.d(Config.LOGTAG,"found two candidates with same priority");
if (initiator.equals(account.getFullJid())) {
if (currentConnection.getCandidate().isOurs()) {
connection = currentConnection;
}
} else {
if (!currentConnection.getCandidate().isOurs()) {
connection = currentConnection;
}
}
}
}
}
}
return connection;
}
private void sendSuccess() {
JinglePacket packet = bootstrapPacket("session-terminate");
Reason reason = new Reason();
reason.addChild("success");
packet.setReason(reason);
this.sendJinglePacket(packet);
this.disconnect();
this.mJingleStatus = JINGLE_STATUS_FINISHED;
this.message.setStatus(Message.STATUS_RECEIVED);
this.message.setDownloadable(null);
this.mXmppConnectionService.updateMessage(message);
this.mJingleConnectionManager.finishConnection(this);
}
private void sendFallbackToIbb() {
Log.d(Config.LOGTAG, "sending fallback to ibb");
JinglePacket packet = this.bootstrapPacket("transport-replace");
Content content = new Content(this.contentCreator, this.contentName);
this.transportId = this.mJingleConnectionManager.nextRandomId();
content.setTransportId(this.transportId);
content.ibbTransport().setAttribute("block-size",
Integer.toString(this.ibbBlockSize));
packet.setContent(content);
this.sendJinglePacket(packet);
}
private boolean receiveFallbackToIbb(JinglePacket packet) {
Log.d(Config.LOGTAG, "receiving fallack to ibb");
String receivedBlockSize = packet.getJingleContent().ibbTransport()
.getAttribute("block-size");
if (receivedBlockSize != null) {
int bs = Integer.parseInt(receivedBlockSize);
if (bs > this.ibbBlockSize) {
this.ibbBlockSize = bs;
}
}
this.transportId = packet.getJingleContent().getTransportId();
this.transport = new JingleInbandTransport(this.account,
this.responder, this.transportId, this.ibbBlockSize);
this.transport.receive(file, onFileTransmissionSatusChanged);
JinglePacket answer = bootstrapPacket("transport-accept");
Content content = new Content("initiator", "a-file-offer");
content.setTransportId(this.transportId);
content.ibbTransport().setAttribute("block-size",
Integer.toString(this.ibbBlockSize));
answer.setContent(content);
this.sendJinglePacket(answer);
return true;
}
private boolean receiveTransportAccept(JinglePacket packet) {
if (packet.getJingleContent().hasIbbTransport()) {
String receivedBlockSize = packet.getJingleContent().ibbTransport()
.getAttribute("block-size");
if (receivedBlockSize != null) {
int bs = Integer.parseInt(receivedBlockSize);
if (bs > this.ibbBlockSize) {
this.ibbBlockSize = bs;
}
}
this.transport = new JingleInbandTransport(this.account,
this.responder, this.transportId, this.ibbBlockSize);
this.transport.connect(new OnTransportConnected() {
@Override
public void failed() {
Log.d(Config.LOGTAG, "ibb open failed");
}
@Override
public void established() {
JingleConnection.this.transport.send(file,
onFileTransmissionSatusChanged);
}
});
return true;
} else {
return false;
}
}
private void receiveSuccess() {
this.mJingleStatus = JINGLE_STATUS_FINISHED;
this.mXmppConnectionService.markMessage(this.message,
Message.STATUS_SEND);
this.disconnect();
this.mJingleConnectionManager.finishConnection(this);
}
public void cancel() {
this.mJingleStatus = JINGLE_STATUS_CANCELED;
this.disconnect();
if (this.message != null) {
if (this.responder.equals(account.getFullJid())) {
this.mStatus = Downloadable.STATUS_FAILED;
this.mXmppConnectionService.updateConversationUi();
} else {
if (this.mJingleStatus == JINGLE_STATUS_INITIATED) {
this.mXmppConnectionService.markMessage(this.message,
Message.STATUS_SEND_REJECTED);
} else {
this.mXmppConnectionService.markMessage(this.message,
Message.STATUS_SEND_FAILED);
}
}
}
this.mJingleConnectionManager.finishConnection(this);
}
private void sendCancel() {
JinglePacket packet = bootstrapPacket("session-terminate");
Reason reason = new Reason();
reason.addChild("cancel");
packet.setReason(reason);
this.sendJinglePacket(packet);
}
private void connectNextCandidate() {
for (JingleCandidate candidate : this.candidates) {
if ((!connections.containsKey(candidate.getCid()) && (!candidate
.isOurs()))) {
this.connectWithCandidate(candidate);
return;
}
}
this.sendCandidateError();
}
private void connectWithCandidate(final JingleCandidate candidate) {
final JingleSocks5Transport socksConnection = new JingleSocks5Transport(
this, candidate);
connections.put(candidate.getCid(), socksConnection);
socksConnection.connect(new OnTransportConnected() {
@Override
public void failed() {
Log.d(Config.LOGTAG,
"connection failed with " + candidate.getHost() + ":"
+ candidate.getPort());
connectNextCandidate();
}
@Override
public void established() {
Log.d(Config.LOGTAG,
"established connection with " + candidate.getHost()
+ ":" + candidate.getPort());
sendCandidateUsed(candidate.getCid());
}
});
}
private void disconnect() {
Iterator<Entry<String, JingleSocks5Transport>> it = this.connections
.entrySet().iterator();
while (it.hasNext()) {
Entry<String, JingleSocks5Transport> pairs = it.next();
pairs.getValue().disconnect();
it.remove();
}
}
private void sendProxyActivated(String cid) {
JinglePacket packet = bootstrapPacket("transport-info");
Content content = new Content(this.contentCreator, this.contentName);
content.setTransportId(this.transportId);
content.socks5transport().addChild("activated")
.setAttribute("cid", cid);
packet.setContent(content);
this.sendJinglePacket(packet);
}
private void sendCandidateUsed(final String cid) {
JinglePacket packet = bootstrapPacket("transport-info");
Content content = new Content(this.contentCreator, this.contentName);
content.setTransportId(this.transportId);
content.socks5transport().addChild("candidate-used")
.setAttribute("cid", cid);
packet.setContent(content);
this.sentCandidate = true;
if ((receivedCandidate) && (mJingleStatus == JINGLE_STATUS_ACCEPTED)) {
connect();
}
this.sendJinglePacket(packet);
}
private void sendCandidateError() {
JinglePacket packet = bootstrapPacket("transport-info");
Content content = new Content(this.contentCreator, this.contentName);
content.setTransportId(this.transportId);
content.socks5transport().addChild("candidate-error");
packet.setContent(content);
this.sentCandidate = true;
if ((receivedCandidate) && (mJingleStatus == JINGLE_STATUS_ACCEPTED)) {
connect();
}
this.sendJinglePacket(packet);
}
public String getInitiator() {
return this.initiator;
}
public String getResponder() {
return this.responder;
}
public int getJingleStatus() {
return this.mJingleStatus;
}
private boolean equalCandidateExists(JingleCandidate candidate) {
for (JingleCandidate c : this.candidates) {
if (c.equalValues(candidate)) {
return true;
}
}
return false;
}
private void mergeCandidate(JingleCandidate candidate) {
for (JingleCandidate c : this.candidates) {
if (c.equals(candidate)) {
return;
}
}
this.candidates.add(candidate);
}
private void mergeCandidates(List<JingleCandidate> candidates) {
for (JingleCandidate c : candidates) {
mergeCandidate(c);
}
}
private JingleCandidate getCandidate(String cid) {
for (JingleCandidate c : this.candidates) {
if (c.getCid().equals(cid)) {
return c;
}
}
return null;
}
interface OnProxyActivated {
public void success();
public void failed();
}
public boolean hasTransportId(String sid) {
return sid.equals(this.transportId);
}
public JingleTransport getTransport() {
return this.transport;
}
public boolean start() {
if (account.getStatus() == Account.STATUS_ONLINE) {
if (mJingleStatus == JINGLE_STATUS_INITIATED) {
new Thread(new Runnable() {
@Override
public void run() {
sendAccept();
}
}).start();
}
return true;
} else {
return false;
}
}
@Override
public int getStatus() {
return this.mStatus;
}
@Override
public long getFileSize() {
if (this.file != null) {
return this.file.getExpectedSize();
} else {
return 0;
}
}
}
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