1package eu.siacs.conversations.xmpp.jingle;
2
3import android.os.SystemClock;
4import android.util.Base64;
5import android.util.Log;
6
7import com.google.common.base.Function;
8import com.google.common.base.Objects;
9import com.google.common.base.Preconditions;
10import com.google.common.cache.Cache;
11import com.google.common.cache.CacheBuilder;
12import com.google.common.collect.Collections2;
13import com.google.common.collect.ImmutableSet;
14
15import org.checkerframework.checker.nullness.compatqual.NullableDecl;
16
17import java.lang.ref.WeakReference;
18import java.security.SecureRandom;
19import java.util.Collection;
20import java.util.Collections;
21import java.util.HashMap;
22import java.util.List;
23import java.util.Map;
24import java.util.Set;
25import java.util.concurrent.ConcurrentHashMap;
26import java.util.concurrent.Executors;
27import java.util.concurrent.ScheduledExecutorService;
28import java.util.concurrent.ScheduledFuture;
29import java.util.concurrent.TimeUnit;
30
31import eu.siacs.conversations.Config;
32import eu.siacs.conversations.entities.Account;
33import eu.siacs.conversations.entities.Contact;
34import eu.siacs.conversations.entities.Conversation;
35import eu.siacs.conversations.entities.Conversational;
36import eu.siacs.conversations.entities.Message;
37import eu.siacs.conversations.entities.RtpSessionStatus;
38import eu.siacs.conversations.entities.Transferable;
39import eu.siacs.conversations.services.AbstractConnectionManager;
40import eu.siacs.conversations.services.XmppConnectionService;
41import eu.siacs.conversations.xml.Element;
42import eu.siacs.conversations.xml.Namespace;
43import eu.siacs.conversations.xmpp.OnIqPacketReceived;
44import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
45import eu.siacs.conversations.xmpp.jingle.stanzas.FileTransferDescription;
46import eu.siacs.conversations.xmpp.jingle.stanzas.GenericDescription;
47import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
48import eu.siacs.conversations.xmpp.jingle.stanzas.Propose;
49import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
50import eu.siacs.conversations.xmpp.jingle.stanzas.RtpDescription;
51import eu.siacs.conversations.xmpp.stanzas.IqPacket;
52import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
53import rocks.xmpp.addr.Jid;
54
55public class JingleConnectionManager extends AbstractConnectionManager {
56 private final ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
57 private final HashMap<RtpSessionProposal, DeviceDiscoveryState> rtpSessionProposals = new HashMap<>();
58 private final Map<AbstractJingleConnection.Id, AbstractJingleConnection> connections = new ConcurrentHashMap<>();
59
60 private final Cache<PersistableSessionId, JingleRtpConnection.State> endedSessions = CacheBuilder.newBuilder()
61 .expireAfterWrite(30, TimeUnit.MINUTES)
62 .build();
63
64 private HashMap<Jid, JingleCandidate> primaryCandidates = new HashMap<>();
65
66 public JingleConnectionManager(XmppConnectionService service) {
67 super(service);
68 }
69
70 static String nextRandomId() {
71 final byte[] id = new byte[16];
72 new SecureRandom().nextBytes(id);
73 return Base64.encodeToString(id, Base64.NO_WRAP | Base64.NO_PADDING);
74 }
75
76 public void deliverPacket(final Account account, final JinglePacket packet) {
77 final String sessionId = packet.getSessionId();
78 if (sessionId == null) {
79 respondWithJingleError(account, packet, "unknown-session", "item-not-found", "cancel");
80 return;
81 }
82 final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, packet);
83 final AbstractJingleConnection existingJingleConnection = connections.get(id);
84 if (existingJingleConnection != null) {
85 existingJingleConnection.deliverPacket(packet);
86 } else if (packet.getAction() == JinglePacket.Action.SESSION_INITIATE) {
87 final Jid from = packet.getFrom();
88 final Content content = packet.getJingleContent();
89 final String descriptionNamespace = content == null ? null : content.getDescriptionNamespace();
90 final AbstractJingleConnection connection;
91 if (FileTransferDescription.NAMESPACES.contains(descriptionNamespace)) {
92 connection = new JingleFileTransferConnection(this, id, from);
93 } else if (Namespace.JINGLE_APPS_RTP.equals(descriptionNamespace) && !usesTor(account)) {
94 final boolean sessionEnded = this.endedSessions.asMap().containsKey(PersistableSessionId.of(id));
95 final boolean stranger = isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
96 if (isBusy() || sessionEnded || stranger) {
97 Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": rejected session with " + id.with + " because busy. sessionEnded=" + sessionEnded + ", stranger=" + stranger);
98 mXmppConnectionService.sendIqPacket(account, packet.generateResponse(IqPacket.TYPE.RESULT), null);
99 final JinglePacket sessionTermination = new JinglePacket(JinglePacket.Action.SESSION_TERMINATE, id.sessionId);
100 sessionTermination.setTo(id.with);
101 sessionTermination.setReason(Reason.BUSY, null);
102 mXmppConnectionService.sendIqPacket(account, sessionTermination, null);
103 return;
104 }
105 connection = new JingleRtpConnection(this, id, from);
106 } else {
107 respondWithJingleError(account, packet, "unsupported-info", "feature-not-implemented", "cancel");
108 return;
109 }
110 connections.put(id, connection);
111 connection.deliverPacket(packet);
112 } else {
113 Log.d(Config.LOGTAG, "unable to route jingle packet: " + packet);
114 respondWithJingleError(account, packet, "unknown-session", "item-not-found", "cancel");
115 }
116 }
117
118 private boolean usesTor(final Account account) {
119 return account.isOnion() || mXmppConnectionService.useTorToConnect();
120 }
121
122 public boolean isBusy() {
123 for (AbstractJingleConnection connection : this.connections.values()) {
124 if (connection instanceof JingleRtpConnection) {
125 if (((JingleRtpConnection) connection).isTerminated()) {
126 continue;
127 }
128 return true;
129 }
130 }
131 synchronized (this.rtpSessionProposals) {
132 return this.rtpSessionProposals.containsValue(DeviceDiscoveryState.DISCOVERED) || this.rtpSessionProposals.containsValue(DeviceDiscoveryState.SEARCHING);
133 }
134 }
135
136 private boolean isWithStrangerAndStrangerNotificationsAreOff(final Account account, Jid with) {
137 final boolean notifyForStrangers = mXmppConnectionService.getNotificationService().notificationsFromStrangers();
138 if (notifyForStrangers) {
139 return false;
140 }
141 final Contact contact = account.getRoster().getContact(with);
142 return !contact.showInContactList();
143 }
144
145 ScheduledFuture<?> schedule(final Runnable runnable, final long delay, final TimeUnit timeUnit) {
146 return this.scheduledExecutorService.schedule(runnable, delay, timeUnit);
147 }
148
149 void respondWithJingleError(final Account account, final IqPacket original, String jingleCondition, String condition, String conditionType) {
150 final IqPacket response = original.generateResponse(IqPacket.TYPE.ERROR);
151 final Element error = response.addChild("error");
152 error.setAttribute("type", conditionType);
153 error.addChild(condition, "urn:ietf:params:xml:ns:xmpp-stanzas");
154 error.addChild(jingleCondition, "urn:xmpp:jingle:errors:1");
155 account.getXmppConnection().sendIqPacket(response, null);
156 }
157
158 public void deliverMessage(final Account account, final Jid to, final Jid from, final Element message, String serverMsgId, long timestamp) {
159 Preconditions.checkArgument(Namespace.JINGLE_MESSAGE.equals(message.getNamespace()));
160 final String sessionId = message.getAttribute("id");
161 if (sessionId == null) {
162 return;
163 }
164 if ("accept".equals(message.getName())) {
165 for (AbstractJingleConnection connection : connections.values()) {
166 if (connection instanceof JingleRtpConnection) {
167 final JingleRtpConnection rtpConnection = (JingleRtpConnection) connection;
168 final AbstractJingleConnection.Id id = connection.getId();
169 if (id.account == account && id.sessionId.equals(sessionId)) {
170 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
171 return;
172 }
173 }
174 }
175 return;
176 }
177 final boolean fromSelf = from.asBareJid().equals(account.getJid().asBareJid());
178 final AbstractJingleConnection.Id id;
179 if (fromSelf) {
180 if (to != null && to.isFullJid()) {
181 id = AbstractJingleConnection.Id.of(account, to, sessionId);
182 } else {
183 return;
184 }
185 } else {
186 id = AbstractJingleConnection.Id.of(account, from, sessionId);
187 }
188 final AbstractJingleConnection existingJingleConnection = connections.get(id);
189 if (existingJingleConnection != null) {
190 if (existingJingleConnection instanceof JingleRtpConnection) {
191 ((JingleRtpConnection) existingJingleConnection).deliveryMessage(from, message, serverMsgId, timestamp);
192 } else {
193 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + existingJingleConnection.getClass().getName() + " does not support jingle messages");
194 }
195 return;
196 }
197
198 if (fromSelf) {
199 if ("proceed".equals(message.getName())) {
200 final Conversation c = mXmppConnectionService.findOrCreateConversation(account, id.with, false, false);
201 final Message previousBusy = c.findRtpSession(sessionId, Message.STATUS_RECEIVED);
202 if (previousBusy != null) {
203 previousBusy.setBody(new RtpSessionStatus(true, 0).toString());
204 if (serverMsgId != null) {
205 previousBusy.setServerMsgId(serverMsgId);
206 }
207 previousBusy.setTime(timestamp);
208 mXmppConnectionService.updateMessage(previousBusy, true);
209 Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": updated previous busy because call got picked up by another device");
210 return;
211 }
212 }
213 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignore jingle message from self");
214 return;
215 }
216
217 if ("propose".equals(message.getName())) {
218 final Propose propose = Propose.upgrade(message);
219 final List<GenericDescription> descriptions = propose.getDescriptions();
220 final Collection<RtpDescription> rtpDescriptions = Collections2.transform(
221 Collections2.filter(descriptions, d -> d instanceof RtpDescription),
222 input -> (RtpDescription) input
223 );
224 if (rtpDescriptions.size() > 0 && rtpDescriptions.size() == descriptions.size() && !usesTor(account)) {
225 final Collection<Media> media = Collections2.transform(rtpDescriptions, RtpDescription::getMedia);
226 if (media.contains(Media.UNKNOWN)) {
227 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": encountered unknown media in session proposal. " + propose);
228 return;
229 }
230 final boolean stranger = isWithStrangerAndStrangerNotificationsAreOff(account, id.with);
231 if (isBusy() || stranger) {
232 writeLogMissedIncoming(account, id.with.asBareJid(), id.sessionId, serverMsgId, timestamp);
233 if (stranger) {
234 Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": ignoring call proposal from stranger " + id.with);
235 return;
236 }
237 final int activeDevices = account.countPresences();
238 Log.d(Config.LOGTAG, "active devices: " + activeDevices);
239 if (activeDevices == 0) {
240 final MessagePacket reject = mXmppConnectionService.getMessageGenerator().sessionReject(from, sessionId);
241 mXmppConnectionService.sendMessagePacket(account, reject);
242 } else {
243 Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": ignoring proposal because busy on this device but there are other devices");
244 }
245 } else {
246 final JingleRtpConnection rtpConnection = new JingleRtpConnection(this, id, from);
247 this.connections.put(id, rtpConnection);
248 rtpConnection.setProposedMedia(ImmutableSet.copyOf(media));
249 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
250 }
251 } else {
252 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to react to proposed session with " + rtpDescriptions.size() + " rtp descriptions of " + descriptions.size() + " total descriptions");
253 }
254 } else if ("proceed".equals(message.getName())) {
255 synchronized (rtpSessionProposals) {
256 final RtpSessionProposal proposal = getRtpSessionProposal(account, from.asBareJid(), sessionId);
257 if (proposal != null) {
258 rtpSessionProposals.remove(proposal);
259 final JingleRtpConnection rtpConnection = new JingleRtpConnection(this, id, account.getJid());
260 rtpConnection.setProposedMedia(proposal.media);
261 this.connections.put(id, rtpConnection);
262 rtpConnection.transitionOrThrow(AbstractJingleConnection.State.PROPOSED);
263 rtpConnection.deliveryMessage(from, message, serverMsgId, timestamp);
264 } else {
265 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": no rtp session proposal found for " + from + " to deliver proceed");
266 }
267 }
268 } else if ("reject".equals(message.getName())) {
269 final RtpSessionProposal proposal = new RtpSessionProposal(account, from.asBareJid(), sessionId);
270 synchronized (rtpSessionProposals) {
271 if (rtpSessionProposals.remove(proposal) != null) {
272 writeLogMissedOutgoing(account, proposal.with, proposal.sessionId, serverMsgId, timestamp);
273 mXmppConnectionService.notifyJingleRtpConnectionUpdate(account, proposal.with, proposal.sessionId, RtpEndUserState.DECLINED_OR_BUSY);
274 } else {
275 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": no rtp session proposal found for " + from + " to deliver reject");
276 }
277 }
278 } else {
279 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": retrieved out of order jingle message");
280 }
281
282 }
283
284 private RtpSessionProposal getRtpSessionProposal(final Account account, Jid from, String sessionId) {
285 for (RtpSessionProposal rtpSessionProposal : rtpSessionProposals.keySet()) {
286 if (rtpSessionProposal.sessionId.equals(sessionId) && rtpSessionProposal.with.equals(from) && rtpSessionProposal.account.getJid().equals(account.getJid())) {
287 return rtpSessionProposal;
288 }
289 }
290 return null;
291 }
292
293 private void writeLogMissedOutgoing(final Account account, Jid with, final String sessionId, String serverMsgId, long timestamp) {
294 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
295 account,
296 with.asBareJid(),
297 false,
298 false
299 );
300 final Message message = new Message(
301 conversation,
302 Message.STATUS_SEND,
303 Message.TYPE_RTP_SESSION,
304 sessionId
305 );
306 message.setBody(new RtpSessionStatus(false, 0).toString());
307 message.setServerMsgId(serverMsgId);
308 message.setTime(timestamp);
309 writeMessage(message);
310 }
311
312 private void writeLogMissedIncoming(final Account account, Jid with, final String sessionId, String serverMsgId, long timestamp) {
313 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
314 account,
315 with.asBareJid(),
316 false,
317 false
318 );
319 final Message message = new Message(
320 conversation,
321 Message.STATUS_RECEIVED,
322 Message.TYPE_RTP_SESSION,
323 sessionId
324 );
325 message.setBody(new RtpSessionStatus(false, 0).toString());
326 message.setServerMsgId(serverMsgId);
327 message.setTime(timestamp);
328 writeMessage(message);
329 }
330
331 private void writeMessage(final Message message) {
332 final Conversational conversational = message.getConversation();
333 if (conversational instanceof Conversation) {
334 ((Conversation) conversational).add(message);
335 mXmppConnectionService.databaseBackend.createMessage(message);
336 mXmppConnectionService.updateConversationUi();
337 } else {
338 throw new IllegalStateException("Somehow the conversation in a message was a stub");
339 }
340 }
341
342 public void startJingleFileTransfer(final Message message) {
343 Preconditions.checkArgument(message.isFileOrImage(), "Message is not of type file or image");
344 final Transferable old = message.getTransferable();
345 if (old != null) {
346 old.cancel();
347 }
348 final Account account = message.getConversation().getAccount();
349 final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(message);
350 final JingleFileTransferConnection connection = new JingleFileTransferConnection(this, id, account.getJid());
351 mXmppConnectionService.markMessage(message, Message.STATUS_WAITING);
352 this.connections.put(id, connection);
353 connection.init(message);
354 }
355
356 void finishConnection(final AbstractJingleConnection connection) {
357 this.connections.remove(connection.getId());
358 }
359
360 void getPrimaryCandidate(final Account account, final boolean initiator, final OnPrimaryCandidateFound listener) {
361 if (Config.DISABLE_PROXY_LOOKUP) {
362 listener.onPrimaryCandidateFound(false, null);
363 return;
364 }
365 if (!this.primaryCandidates.containsKey(account.getJid().asBareJid())) {
366 final Jid proxy = account.getXmppConnection().findDiscoItemByFeature(Namespace.BYTE_STREAMS);
367 if (proxy != null) {
368 IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
369 iq.setTo(proxy);
370 iq.query(Namespace.BYTE_STREAMS);
371 account.getXmppConnection().sendIqPacket(iq, new OnIqPacketReceived() {
372
373 @Override
374 public void onIqPacketReceived(Account account, IqPacket packet) {
375 final Element streamhost = packet.query().findChild("streamhost", Namespace.BYTE_STREAMS);
376 final String host = streamhost == null ? null : streamhost.getAttribute("host");
377 final String port = streamhost == null ? null : streamhost.getAttribute("port");
378 if (host != null && port != null) {
379 try {
380 JingleCandidate candidate = new JingleCandidate(nextRandomId(), true);
381 candidate.setHost(host);
382 candidate.setPort(Integer.parseInt(port));
383 candidate.setType(JingleCandidate.TYPE_PROXY);
384 candidate.setJid(proxy);
385 candidate.setPriority(655360 + (initiator ? 30 : 0));
386 primaryCandidates.put(account.getJid().asBareJid(), candidate);
387 listener.onPrimaryCandidateFound(true, candidate);
388 } catch (final NumberFormatException e) {
389 listener.onPrimaryCandidateFound(false, null);
390 }
391 } else {
392 listener.onPrimaryCandidateFound(false, null);
393 }
394 }
395 });
396 } else {
397 listener.onPrimaryCandidateFound(false, null);
398 }
399
400 } else {
401 listener.onPrimaryCandidateFound(true,
402 this.primaryCandidates.get(account.getJid().asBareJid()));
403 }
404 }
405
406 public void retractSessionProposal(final Account account, final Jid with) {
407 synchronized (this.rtpSessionProposals) {
408 RtpSessionProposal matchingProposal = null;
409 for (RtpSessionProposal proposal : this.rtpSessionProposals.keySet()) {
410 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
411 matchingProposal = proposal;
412 break;
413 }
414 }
415 if (matchingProposal != null) {
416 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": retracting rtp session proposal with " + with);
417 this.rtpSessionProposals.remove(matchingProposal);
418 final MessagePacket messagePacket = mXmppConnectionService.getMessageGenerator().sessionRetract(matchingProposal);
419 writeLogMissedOutgoing(account, matchingProposal.with, matchingProposal.sessionId, null, System.currentTimeMillis());
420 mXmppConnectionService.sendMessagePacket(account, messagePacket);
421 }
422 }
423 }
424
425 public void proposeJingleRtpSession(final Account account, final Jid with, final Set<Media> media) {
426 synchronized (this.rtpSessionProposals) {
427 for (Map.Entry<RtpSessionProposal, DeviceDiscoveryState> entry : this.rtpSessionProposals.entrySet()) {
428 RtpSessionProposal proposal = entry.getKey();
429 if (proposal.account == account && with.asBareJid().equals(proposal.with)) {
430 final DeviceDiscoveryState preexistingState = entry.getValue();
431 if (preexistingState != null && preexistingState != DeviceDiscoveryState.FAILED) {
432 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
433 account,
434 with,
435 proposal.sessionId,
436 preexistingState.toEndUserState()
437 );
438 return;
439 }
440 }
441 }
442 if (isBusy()) {
443 throw new IllegalStateException("There is already a running RTP session. This should have been caught by the UI");
444 }
445 final RtpSessionProposal proposal = RtpSessionProposal.of(account, with.asBareJid(), media);
446 this.rtpSessionProposals.put(proposal, DeviceDiscoveryState.SEARCHING);
447 mXmppConnectionService.notifyJingleRtpConnectionUpdate(
448 account,
449 proposal.with,
450 proposal.sessionId,
451 RtpEndUserState.FINDING_DEVICE
452 );
453 final MessagePacket messagePacket = mXmppConnectionService.getMessageGenerator().sessionProposal(proposal);
454 Log.d(Config.LOGTAG, messagePacket.toString());
455 mXmppConnectionService.sendMessagePacket(account, messagePacket);
456 }
457 }
458
459 public void deliverIbbPacket(Account account, IqPacket packet) {
460 final String sid;
461 final Element payload;
462 if (packet.hasChild("open", Namespace.IBB)) {
463 payload = packet.findChild("open", Namespace.IBB);
464 sid = payload.getAttribute("sid");
465 } else if (packet.hasChild("data", Namespace.IBB)) {
466 payload = packet.findChild("data", Namespace.IBB);
467 sid = payload.getAttribute("sid");
468 } else if (packet.hasChild("close", Namespace.IBB)) {
469 payload = packet.findChild("close", Namespace.IBB);
470 sid = payload.getAttribute("sid");
471 } else {
472 payload = null;
473 sid = null;
474 }
475 if (sid != null) {
476 for (final AbstractJingleConnection connection : this.connections.values()) {
477 if (connection instanceof JingleFileTransferConnection) {
478 final JingleFileTransferConnection fileTransfer = (JingleFileTransferConnection) connection;
479 final JingleTransport transport = fileTransfer.getTransport();
480 if (transport instanceof JingleInBandTransport) {
481 final JingleInBandTransport inBandTransport = (JingleInBandTransport) transport;
482 if (inBandTransport.matches(account, sid)) {
483 inBandTransport.deliverPayload(packet, payload);
484 }
485 return;
486 }
487 }
488 }
489 }
490 Log.d(Config.LOGTAG, "unable to deliver ibb packet: " + packet.toString());
491 account.getXmppConnection().sendIqPacket(packet.generateResponse(IqPacket.TYPE.ERROR), null);
492 }
493
494 public void notifyRebound() {
495 for (final AbstractJingleConnection connection : this.connections.values()) {
496 connection.notifyRebound();
497 }
498 }
499
500 public WeakReference<JingleRtpConnection> findJingleRtpConnection(Account account, Jid with, String sessionId) {
501 final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, Jid.ofEscaped(with), sessionId);
502 final AbstractJingleConnection connection = connections.get(id);
503 if (connection instanceof JingleRtpConnection) {
504 return new WeakReference<>((JingleRtpConnection) connection);
505 }
506 return null;
507 }
508
509 public void updateProposedSessionDiscovered(Account account, Jid from, String sessionId, final DeviceDiscoveryState target) {
510 synchronized (this.rtpSessionProposals) {
511 final RtpSessionProposal sessionProposal = getRtpSessionProposal(account, from.asBareJid(), sessionId);
512 final DeviceDiscoveryState currentState = sessionProposal == null ? null : rtpSessionProposals.get(sessionProposal);
513 if (currentState == null) {
514 Log.d(Config.LOGTAG, "unable to find session proposal for session id " + sessionId);
515 return;
516 }
517 if (currentState == DeviceDiscoveryState.DISCOVERED) {
518 Log.d(Config.LOGTAG, "session proposal already at discovered. not going to fall back");
519 return;
520 }
521 this.rtpSessionProposals.put(sessionProposal, target);
522 mXmppConnectionService.notifyJingleRtpConnectionUpdate(account, sessionProposal.with, sessionProposal.sessionId, target.toEndUserState());
523 Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": flagging session " + sessionId + " as " + target);
524 }
525 }
526
527 public void rejectRtpSession(final String sessionId) {
528 for (final AbstractJingleConnection connection : this.connections.values()) {
529 if (connection.getId().sessionId.equals(sessionId)) {
530 if (connection instanceof JingleRtpConnection) {
531 ((JingleRtpConnection) connection).rejectCall();
532 }
533 }
534 }
535 }
536
537 public void endRtpSession(final String sessionId) {
538 for (final AbstractJingleConnection connection : this.connections.values()) {
539 if (connection.getId().sessionId.equals(sessionId)) {
540 if (connection instanceof JingleRtpConnection) {
541 ((JingleRtpConnection) connection).endCall();
542 }
543 }
544 }
545 }
546
547 public void failProceed(Account account, final Jid with, String sessionId) {
548 final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, with, sessionId);
549 final AbstractJingleConnection existingJingleConnection = connections.get(id);
550 if (existingJingleConnection instanceof JingleRtpConnection) {
551 ((JingleRtpConnection) existingJingleConnection).deliverFailedProceed();
552 }
553 }
554
555 void ensureConnectionIsRegistered(final AbstractJingleConnection connection) {
556 if (connections.containsValue(connection)) {
557 return;
558 }
559 final IllegalStateException e = new IllegalStateException("JingleConnection has not been registered with connection manager");
560 Log.e(Config.LOGTAG, "ensureConnectionIsRegistered() failed. Going to throw", e);
561 throw e;
562 }
563
564 public void endSession(AbstractJingleConnection.Id id, final AbstractJingleConnection.State state) {
565 this.endedSessions.put(PersistableSessionId.of(id), state);
566 }
567
568 private static class PersistableSessionId {
569 private final Jid with;
570 private final String sessionId;
571
572 private PersistableSessionId(Jid with, String sessionId) {
573 this.with = with;
574 this.sessionId = sessionId;
575 }
576
577 public static PersistableSessionId of(AbstractJingleConnection.Id id) {
578 return new PersistableSessionId(id.with, id.sessionId);
579 }
580
581 @Override
582 public boolean equals(Object o) {
583 if (this == o) return true;
584 if (o == null || getClass() != o.getClass()) return false;
585 PersistableSessionId that = (PersistableSessionId) o;
586 return Objects.equal(with, that.with) &&
587 Objects.equal(sessionId, that.sessionId);
588 }
589
590 @Override
591 public int hashCode() {
592 return Objects.hashCode(with, sessionId);
593 }
594 }
595
596 public enum DeviceDiscoveryState {
597 SEARCHING, DISCOVERED, FAILED;
598
599 public RtpEndUserState toEndUserState() {
600 switch (this) {
601 case SEARCHING:
602 return RtpEndUserState.FINDING_DEVICE;
603 case DISCOVERED:
604 return RtpEndUserState.RINGING;
605 default:
606 return RtpEndUserState.CONNECTIVITY_ERROR;
607 }
608 }
609 }
610
611 public static class RtpSessionProposal {
612 public final Jid with;
613 public final String sessionId;
614 public final Set<Media> media;
615 private final Account account;
616
617 private RtpSessionProposal(Account account, Jid with, String sessionId) {
618 this(account, with, sessionId, Collections.emptySet());
619 }
620
621 private RtpSessionProposal(Account account, Jid with, String sessionId, Set<Media> media) {
622 this.account = account;
623 this.with = with;
624 this.sessionId = sessionId;
625 this.media = media;
626 }
627
628 public static RtpSessionProposal of(Account account, Jid with, Set<Media> media) {
629 return new RtpSessionProposal(account, with, nextRandomId(), media);
630 }
631
632 @Override
633 public boolean equals(Object o) {
634 if (this == o) return true;
635 if (o == null || getClass() != o.getClass()) return false;
636 RtpSessionProposal proposal = (RtpSessionProposal) o;
637 return Objects.equal(account.getJid(), proposal.account.getJid()) &&
638 Objects.equal(with, proposal.with) &&
639 Objects.equal(sessionId, proposal.sessionId);
640 }
641
642 @Override
643 public int hashCode() {
644 return Objects.hashCode(account.getJid(), with, sessionId);
645 }
646 }
647}