mirror of https://github.com/OpenVidu/openvidu.git
openvidu-server: RPC reconnect method
pabloFuente
parent
46f0ad564e
commit
13e3b52ff6
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@ -155,6 +155,9 @@ public abstract class SessionManager {
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public abstract Participant publishIpcam(Session session, MediaOptions mediaOptions, String serverMetadata)
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throws Exception;
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public abstract void reconnectStream(Participant participant, String streamId, String sdpOffer,
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Integer transactionId);
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public abstract String getParticipantPrivateIdFromStreamId(String sessionId, String streamId)
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throws OpenViduException;
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@ -34,6 +34,7 @@ import org.kurento.client.Filter;
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import org.kurento.client.IceCandidate;
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import org.kurento.client.MediaElement;
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import org.kurento.client.MediaPipeline;
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import org.kurento.client.PassThrough;
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import org.kurento.client.internal.server.KurentoServerException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -87,7 +88,7 @@ public class KurentoParticipant extends Participant {
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if (!OpenViduRole.SUBSCRIBER.equals(participant.getToken().getRole())) {
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// Initialize a PublisherEndpoint
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this.publisher = new PublisherEndpoint(endpointType, this, participant.getParticipantPublicId(),
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this.session.getPipeline(), this.openviduConfig);
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this.session.getPipeline(), this.openviduConfig, null);
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}
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for (Participant other : session.getParticipants()) {
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@ -100,24 +101,25 @@ public class KurentoParticipant extends Participant {
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}
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}
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public void createPublishingEndpoint(MediaOptions mediaOptions) {
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public void createPublishingEndpoint(MediaOptions mediaOptions, String streamId) {
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String type = mediaOptions.hasVideo() ? mediaOptions.getTypeOfVideo() : "MICRO";
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final String publisherStreamId = IdentifierPrefixes.STREAM_ID + type.substring(0, Math.min(type.length(), 3))
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+ "_" + RandomStringUtils.randomAlphabetic(1).toUpperCase() + RandomStringUtils.randomAlphanumeric(3)
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if (streamId == null) {
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streamId = IdentifierPrefixes.STREAM_ID + type.substring(0, Math.min(type.length(), 3)) + "_"
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+ RandomStringUtils.randomAlphabetic(1).toUpperCase() + RandomStringUtils.randomAlphanumeric(3)
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+ "_" + this.getParticipantPublicId();
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publisher.setStreamId(publisherStreamId);
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publisher.setEndpointName(publisherStreamId);
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}
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publisher.setStreamId(streamId);
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publisher.setEndpointName(streamId);
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publisher.setMediaOptions(mediaOptions);
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publisher.createEndpoint(publisherLatch);
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if (getPublisher().getEndpoint() == null) {
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throw new OpenViduException(Code.MEDIA_ENDPOINT_ERROR_CODE, "Unable to create publisher endpoint");
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}
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this.publisher.getEndpoint().setName(publisherStreamId);
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publisher.getEndpoint().setName(streamId);
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endpointConfig.addEndpointListeners(this.publisher, "publisher");
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// Remove streamId from publisher's map
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// Put streamId in publisher's map
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this.session.publishedStreamIds.putIfAbsent(this.getPublisherStreamId(), this.getParticipantPrivateId());
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}
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@ -155,6 +157,10 @@ public class KurentoParticipant extends Participant {
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return this.publisher;
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}
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public SubscriberEndpoint getSubscriber(String senderPublicId) {
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return this.subscribers.get(senderPublicId);
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}
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public Collection<SubscriberEndpoint> getSubscribers() {
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return this.subscribers.values();
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}
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@ -171,7 +177,7 @@ public class KurentoParticipant extends Participant {
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return session;
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}
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public String publishToRoom(SdpType sdpType, String sdpString, boolean doLoopback) {
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public String publishToRoom(SdpType sdpType, String sdpString, boolean doLoopback, boolean silent) {
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log.info("PARTICIPANT {}: Request to publish video in room {} (sdp type {})", this.getParticipantPublicId(),
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this.session.getSessionId(), sdpType);
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log.trace("PARTICIPANT {}: Publishing Sdp ({}) is {}", this.getParticipantPublicId(), sdpType, sdpString);
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@ -188,8 +194,10 @@ public class KurentoParticipant extends Participant {
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this.recordingManager.startOneIndividualStreamRecording(session, null, null, this);
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}
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if (!silent) {
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endpointConfig.getCdr().recordNewPublisher(this, session.getSessionId(), publisher.getStreamId(),
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publisher.getMediaOptions(), publisher.createdAt());
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}
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return sdpResponse;
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}
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@ -199,12 +207,12 @@ public class KurentoParticipant extends Participant {
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this.session.getSessionId());
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final MediaOptions mediaOptions = this.getPublisher().getMediaOptions();
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releasePublisherEndpoint(reason, kmsDisconnectionTime);
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resetPublisherEndpoint(mediaOptions);
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resetPublisherEndpoint(mediaOptions, null);
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log.info("PARTICIPANT {}: released publisher endpoint and left it initialized (ready for future streaming)",
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this.getParticipantPublicId());
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}
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public String receiveMediaFrom(Participant sender, String sdpOffer) {
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public String receiveMediaFrom(Participant sender, String sdpOffer, boolean silent) {
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final String senderName = sender.getParticipantPublicId();
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log.info("PARTICIPANT {}: Request to receive media from {} in room {}", this.getParticipantPublicId(),
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@ -272,7 +280,7 @@ public class KurentoParticipant extends Participant {
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log.info("PARTICIPANT {}: Is now receiving video from {} in room {}", this.getParticipantPublicId(),
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senderName, this.session.getSessionId());
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if (!ProtocolElements.RECORDER_PARTICIPANT_PUBLICID.equals(this.getParticipantPublicId())) {
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if (!silent && !ProtocolElements.RECORDER_PARTICIPANT_PUBLICID.equals(this.getParticipantPublicId())) {
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endpointConfig.getCdr().recordNewSubscriber(this, this.session.getSessionId(),
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sender.getPublisherStreamId(), sender.getParticipantPublicId(), subscriber.createdAt());
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}
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@ -287,12 +295,12 @@ public class KurentoParticipant extends Participant {
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log.error("Exception connecting subscriber endpoint " + "to publisher endpoint", e);
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}
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this.subscribers.remove(senderName);
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releaseSubscriberEndpoint((KurentoParticipant) sender, subscriber, null);
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releaseSubscriberEndpoint((KurentoParticipant) sender, subscriber, null, false);
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}
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return null;
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}
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public void cancelReceivingMedia(KurentoParticipant senderKurentoParticipant, EndReason reason) {
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public void cancelReceivingMedia(KurentoParticipant senderKurentoParticipant, EndReason reason, boolean silent) {
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final String senderName = senderKurentoParticipant.getParticipantPublicId();
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log.info("PARTICIPANT {}: cancel receiving media from {}", this.getParticipantPublicId(), senderName);
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@ -301,7 +309,7 @@ public class KurentoParticipant extends Participant {
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log.warn("PARTICIPANT {}: Trying to cancel receiving video from user {}. "
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+ "But there is no such subscriber endpoint.", this.getParticipantPublicId(), senderName);
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} else {
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releaseSubscriberEndpoint(senderKurentoParticipant, subscriberEndpoint, reason);
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releaseSubscriberEndpoint(senderKurentoParticipant, subscriberEndpoint, reason, silent);
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log.info("PARTICIPANT {}: stopped receiving media from {} in room {}", this.getParticipantPublicId(),
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senderName, this.session.getSessionId());
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}
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@ -321,9 +329,10 @@ public class KurentoParticipant extends Participant {
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final SubscriberEndpoint subscriber = entry.getValue();
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it.remove();
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if (subscriber != null && subscriber.getEndpoint() != null) {
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releaseSubscriberEndpoint(
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(KurentoParticipant) this.session.getParticipantByPublicId(remoteParticipantName), subscriber,
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reason);
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reason, false);
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log.debug("PARTICIPANT {}: Released subscriber endpoint to {}", this.getParticipantPublicId(),
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remoteParticipantName);
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} else {
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@ -413,7 +422,7 @@ public class KurentoParticipant extends Participant {
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}
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private void releaseSubscriberEndpoint(KurentoParticipant senderKurentoParticipant, SubscriberEndpoint subscriber,
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EndReason reason) {
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EndReason reason, boolean silent) {
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final String senderName = senderKurentoParticipant.getParticipantPublicId();
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if (subscriber != null) {
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@ -424,6 +433,8 @@ public class KurentoParticipant extends Participant {
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releaseElement(senderName, subscriber.getEndpoint());
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if (!silent) {
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// Stop PlayerEndpoint of IP CAM if last subscriber disconnected
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final PublisherEndpoint senderPublisher = senderKurentoParticipant.publisher;
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if (senderPublisher != null) {
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@ -435,7 +446,8 @@ public class KurentoParticipant extends Participant {
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if (senderPublisher.isPlayerEndpoint() && senderPublisher.numberOfSubscribers == 0) {
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try {
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senderPublisher.getPlayerEndpoint().stop();
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log.info("IP Camera stream {} feed is now disabled because there are no subscribers",
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log.info(
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"IP Camera stream {} feed is now disabled because there are no subscribers",
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senderPublisher.getStreamId());
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} catch (Exception e) {
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log.info("Error while disabling feed for IP camera {}: {}",
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@ -451,13 +463,14 @@ public class KurentoParticipant extends Participant {
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subscriber.getStreamId(), reason);
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}
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}
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} else {
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log.warn("PARTICIPANT {}: Trying to release subscriber endpoint for '{}' but is null",
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this.getParticipantPublicId(), senderName);
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}
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}
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private void releaseElement(final String senderName, final MediaElement element) {
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void releaseElement(final String senderName, final MediaElement element) {
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final String eid = element.getId();
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try {
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element.release(new Continuation<Void>() {
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@ -488,11 +501,12 @@ public class KurentoParticipant extends Participant {
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return this.publisher.getStreamId();
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}
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public void resetPublisherEndpoint(MediaOptions mediaOptions) {
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public void resetPublisherEndpoint(MediaOptions mediaOptions, PassThrough passThru) {
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log.info("Resetting publisher endpoint for participant {}", this.getParticipantPublicId());
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this.publisher = new PublisherEndpoint(endpointType, this, this.getParticipantPublicId(),
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this.session.getPipeline(), this.openviduConfig);
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this.session.getPipeline(), this.openviduConfig, passThru);
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this.publisher.setMediaOptions(mediaOptions);
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this.publisherLatch = new CountDownLatch(1);
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}
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@Override
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@ -108,7 +108,7 @@ public class KurentoSession extends Session {
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if (participant.equals(subscriber)) {
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continue;
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}
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((KurentoParticipant) subscriber).cancelReceivingMedia((KurentoParticipant) participant, reason);
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((KurentoParticipant) subscriber).cancelReceivingMedia((KurentoParticipant) participant, reason, false);
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}
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log.debug("SESSION {}: Unsubscribed other participants {} from the publisher {}", sessionId,
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@ -187,7 +187,7 @@ public class KurentoSession extends Session {
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log.debug("SESSION {}: Cancel receiving media from participant '{}' for other participant", this.sessionId,
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participant.getParticipantPublicId());
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for (Participant other : participants.values()) {
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((KurentoParticipant) other).cancelReceivingMedia(removedParticipant, reason);
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((KurentoParticipant) other).cancelReceivingMedia(removedParticipant, reason, false);
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}
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}
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@ -329,8 +329,9 @@ public class KurentoSession extends Session {
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}
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getParticipants().forEach(p -> {
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if (!OpenViduRole.SUBSCRIBER.equals(p.getToken().getRole())) {
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((KurentoParticipant) p)
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.resetPublisherEndpoint(mediaOptionsMap.get(p.getParticipantPublicId()));
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((KurentoParticipant) p).resetPublisherEndpoint(mediaOptionsMap.get(p.getParticipantPublicId()),
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null);
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}
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});
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log.info(
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@ -33,6 +33,7 @@ import org.apache.commons.lang3.RandomStringUtils;
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import org.kurento.client.GenericMediaElement;
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import org.kurento.client.IceCandidate;
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import org.kurento.client.ListenerSubscription;
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import org.kurento.client.PassThrough;
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import org.kurento.jsonrpc.Props;
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import org.kurento.jsonrpc.message.Request;
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import org.slf4j.Logger;
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@ -281,7 +282,7 @@ public class KurentoSessionManager extends SessionManager {
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SdpType sdpType = kurentoOptions.isOffer ? SdpType.OFFER : SdpType.ANSWER;
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KurentoSession kSession = kParticipant.getSession();
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kParticipant.createPublishingEndpoint(mediaOptions);
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kParticipant.createPublishingEndpoint(mediaOptions, null);
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/*
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* for (MediaElement elem : kurentoOptions.mediaElements) {
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@ -305,7 +306,7 @@ public class KurentoSessionManager extends SessionManager {
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}
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}
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sdpAnswer = kParticipant.publishToRoom(sdpType, kurentoOptions.sdpOffer, kurentoOptions.doLoopback);
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sdpAnswer = kParticipant.publishToRoom(sdpType, kurentoOptions.sdpOffer, kurentoOptions.doLoopback, false);
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if (sdpAnswer == null) {
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OpenViduException e = new OpenViduException(Code.MEDIA_SDP_ERROR_CODE,
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@ -416,7 +417,7 @@ public class KurentoSessionManager extends SessionManager {
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"User '" + senderName + " not streaming media in session '" + session.getSessionId() + "'");
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}
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sdpAnswer = kParticipant.receiveMediaFrom(senderParticipant, sdpOffer);
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sdpAnswer = kParticipant.receiveMediaFrom(senderParticipant, sdpOffer, false);
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if (sdpAnswer == null) {
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throw new OpenViduException(Code.MEDIA_SDP_ERROR_CODE,
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"Unable to generate SDP answer when subscribing '" + participant.getParticipantPublicId()
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@ -448,7 +449,7 @@ public class KurentoSessionManager extends SessionManager {
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"User " + senderName + " not found in session " + session.getSessionId());
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}
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kParticipant.cancelReceivingMedia((KurentoParticipant) sender, EndReason.unsubscribe);
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kParticipant.cancelReceivingMedia((KurentoParticipant) sender, EndReason.unsubscribe, false);
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sessionEventsHandler.onUnsubscribe(participant, transactionId, null);
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}
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@ -924,6 +925,57 @@ public class KurentoSessionManager extends SessionManager {
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return kParticipant;
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}
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@Override
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public void reconnectStream(Participant participant, String streamId, String sdpOffer, Integer transactionId) {
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KurentoParticipant kParticipant = (KurentoParticipant) participant;
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KurentoSession kSession = kParticipant.getSession();
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if (streamId.equals(participant.getPublisherStreamId())) {
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// Reconnect publisher
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final KurentoMediaOptions kurentoOptions = (KurentoMediaOptions) kParticipant.getPublisher()
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.getMediaOptions();
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// 1) Disconnect broken PublisherEndpoint from its PassThrough
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PublisherEndpoint publisher = kParticipant.getPublisher();
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final PassThrough passThru = publisher.disconnectFromPassThrough();
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// 2) Destroy the broken PublisherEndpoint and nothing else
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if (publisher.kmsWebrtcStatsThread != null) {
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publisher.kmsWebrtcStatsThread.cancel(true);
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}
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kParticipant.releaseElement(participant.getParticipantPublicId(), publisher.getEndpoint());
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// 3) Create a new PublisherEndpoint connecting it to the previous PassThrough
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kParticipant.resetPublisherEndpoint(kurentoOptions, passThru);
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kParticipant.createPublishingEndpoint(kurentoOptions, streamId);
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SdpType sdpType = kurentoOptions.isOffer ? SdpType.OFFER : SdpType.ANSWER;
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String sdpAnswer = kParticipant.publishToRoom(sdpType, sdpOffer, kurentoOptions.doLoopback, true);
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sessionEventsHandler.onPublishMedia(participant, participant.getPublisherStreamId(),
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kParticipant.getPublisher().createdAt(), kSession.getSessionId(), kurentoOptions, sdpAnswer,
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new HashSet<Participant>(), transactionId, null);
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} else {
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// Reconnect subscriber
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String senderPrivateId = kSession.getParticipantPrivateIdFromStreamId(streamId);
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if (senderPrivateId != null) {
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KurentoParticipant sender = (KurentoParticipant) kSession.getParticipantByPrivateId(senderPrivateId);
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kParticipant.cancelReceivingMedia(sender, null, true);
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String sdpAnswer = kParticipant.receiveMediaFrom(sender, sdpOffer, true);
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if (sdpAnswer == null) {
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throw new OpenViduException(Code.MEDIA_SDP_ERROR_CODE,
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"Unable to generate SDP answer when reconnecting subscriber to '" + streamId + "'");
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}
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sessionEventsHandler.onSubscribe(participant, kSession, sdpAnswer, transactionId, null);
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} else {
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throw new OpenViduException(Code.USER_NOT_STREAMING_ERROR_CODE,
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"Stream '" + streamId + "' does not exist in Session '" + kSession.getSessionId() + "'");
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}
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}
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}
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@Override
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public String getParticipantPrivateIdFromStreamId(String sessionId, String streamId) {
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Session session = this.getSession(sessionId);
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@ -24,6 +24,7 @@ import java.util.concurrent.ConcurrentLinkedQueue;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.Future;
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import org.kurento.client.BaseRtpEndpoint;
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import org.kurento.client.Continuation;
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import org.kurento.client.Endpoint;
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import org.kurento.client.ErrorEvent;
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@ -32,7 +33,7 @@ import org.kurento.client.IceCandidate;
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import org.kurento.client.ListenerSubscription;
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import org.kurento.client.MediaElement;
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import org.kurento.client.MediaPipeline;
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import org.kurento.client.OnIceCandidateEvent;
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import org.kurento.client.PassThrough;
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import org.kurento.client.PlayerEndpoint;
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import org.kurento.client.RtpEndpoint;
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import org.kurento.client.SdpEndpoint;
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@ -155,7 +156,8 @@ public abstract class MediaEndpoint {
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}
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/**
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* @return the internal endpoint ({@link RtpEndpoint} or {@link WebRtcEndpoint})
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* @return the internal endpoint ({@link RtpEndpoint} or {@link WebRtcEndpoint}
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* or {@link PlayerEndpoint})
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*/
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public Endpoint getEndpoint() {
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if (this.isWeb()) {
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@ -167,6 +169,13 @@ public abstract class MediaEndpoint {
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}
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}
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public BaseRtpEndpoint getBaseRtpEndpoint() {
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if (this.isWeb()) {
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return this.webEndpoint;
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}
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return this.endpoint;
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}
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public long createdAt() {
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return this.createdAt;
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}
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@ -77,16 +77,19 @@ public class PublisherEndpoint extends MediaEndpoint {
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public int numberOfSubscribers = 0;
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public PublisherEndpoint(EndpointType endpointType, KurentoParticipant owner, String endpointName,
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MediaPipeline pipeline, OpenviduConfig openviduConfig) {
|
||||
MediaPipeline pipeline, OpenviduConfig openviduConfig, PassThrough passThru) {
|
||||
super(endpointType, owner, endpointName, pipeline, openviduConfig, log);
|
||||
this.passThru = passThru;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void internalEndpointInitialization(final CountDownLatch endpointLatch) {
|
||||
super.internalEndpointInitialization(endpointLatch);
|
||||
if (this.passThru == null) {
|
||||
passThru = new PassThrough.Builder(getPipeline()).build();
|
||||
passThruSubscription = registerElemErrListener(passThru);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public synchronized void unregisterErrorListeners() {
|
||||
|
|
@ -404,6 +407,11 @@ public class PublisherEndpoint extends MediaEndpoint {
|
|||
}
|
||||
}
|
||||
|
||||
public synchronized PassThrough disconnectFromPassThrough() {
|
||||
this.internalSinkDisconnect(this.getWebEndpoint(), this.passThru);
|
||||
return this.passThru;
|
||||
}
|
||||
|
||||
private String getNext(String uid) {
|
||||
int idx = elementIds.indexOf(uid);
|
||||
if (idx < 0 || idx + 1 == elementIds.size()) {
|
||||
|
|
|
|||
|
|
@ -162,6 +162,9 @@ public class RpcHandler extends DefaultJsonRpcHandler<JsonObject> {
|
|||
case ProtocolElements.REMOVEFILTEREVENTLISTENER_METHOD:
|
||||
removeFilterEventListener(rpcConnection, request);
|
||||
break;
|
||||
case ProtocolElements.RECONNECTSTREAM_METHOD:
|
||||
reconnectStream(rpcConnection, request);
|
||||
break;
|
||||
default:
|
||||
log.error("Unrecognized request {}", request);
|
||||
break;
|
||||
|
|
@ -602,6 +605,23 @@ public class RpcHandler extends DefaultJsonRpcHandler<JsonObject> {
|
|||
}
|
||||
}
|
||||
|
||||
private void reconnectStream(RpcConnection rpcConnection, Request<JsonObject> request) {
|
||||
Participant participant;
|
||||
try {
|
||||
participant = sanityCheckOfSession(rpcConnection, "reconnectStream");
|
||||
} catch (OpenViduException e) {
|
||||
return;
|
||||
}
|
||||
String streamId = getStringParam(request, ProtocolElements.RECONNECTSTREAM_STREAM_PARAM);
|
||||
String sdpOffer = getStringParam(request, ProtocolElements.RECONNECTSTREAM_SDPOFFER_PARAM);
|
||||
try {
|
||||
sessionManager.reconnectStream(participant, streamId, sdpOffer, request.getId());
|
||||
} catch (OpenViduException e) {
|
||||
this.notificationService.sendErrorResponse(participant.getParticipantPrivateId(), request.getId(),
|
||||
new JsonObject(), e);
|
||||
}
|
||||
}
|
||||
|
||||
public void leaveRoomAfterConnClosed(String participantPrivateId, EndReason reason) {
|
||||
try {
|
||||
sessionManager.evictParticipant(this.sessionManager.getParticipant(participantPrivateId), null, null,
|
||||
|
|
@ -670,11 +690,17 @@ public class RpcHandler extends DefaultJsonRpcHandler<JsonObject> {
|
|||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void afterReconnection(Session rpcSession) throws Exception {
|
||||
log.info("After reconnection for WebSocket session: {}", rpcSession.getSessionId());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleTransportError(Session rpcSession, Throwable exception) throws Exception {
|
||||
if (rpcSession != null) {
|
||||
log.error("Transport exception for WebSocket session: {} - Exception: {}", rpcSession.getSessionId(),
|
||||
exception.getMessage());
|
||||
if ("IOException".equals(exception.getClass().getSimpleName())
|
||||
if ("IOException".equals(exception.getClass().getSimpleName()) && exception.getCause() != null
|
||||
&& "Broken pipe".equals(exception.getCause().getMessage())) {
|
||||
log.warn("Parcipant with private id {} unexpectedly closed the websocket", rpcSession.getSessionId());
|
||||
}
|
||||
|
|
@ -684,6 +710,7 @@ public class RpcHandler extends DefaultJsonRpcHandler<JsonObject> {
|
|||
this.webSocketEOFTransportError.put(rpcSession.getSessionId(), true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleUncaughtException(Session rpcSession, Exception exception) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue