public void leave(RoomParticipant user) {
checkClosed();
log.debug("PARTICIPANT {}: Leaving room {}", user.getName(), this.name);
this.removeParticipant(user.getName());
user.close();
}
private void removeParticipant(String name) {
checkClosed();
participants.remove(name);
log.debug("ROOM {}: notifying all users that {} is leaving the room", this.name, name);
final JsonObject participantLeftJson = new JsonObject();
participantLeftJson.addProperty("id", "participantLeft");
participantLeftJson.addProperty("name", name);
for (final RoomParticipant participant : participants.values()) {
participant.cancelSendingVideoTo(name);
participant.sendMessage(participantLeftJson);
}
}
@Override
public void close() {
if (!closed) {
executor.shutdown();
for (final RoomParticipant user : participants.values()) {
user.close();
}
participants.clear();
if (pipeline != null) {
pipeline.release(
new Continuation<Void>() {
@Override
public void onSuccess(Void result) throws Exception {
log.trace("ROOM {}: Released Pipeline", Room.this.name);
}
@Override
public void onError(Throwable cause) throws Exception {
log.warn("PARTICIPANT " + Room.this.name + ": Could not release Pipeline", cause);
}
});
}
log.debug("Room {} closed", this.name);
this.closed = true;
} else {
log.warn("Closing a yet closed room {}", this.name);
}
}
public void sendParticipantNames(RoomParticipant user) {
checkClosed();
log.debug("PARTICIPANT {}: sending a list of participants", user.getName());
final JsonArray participantsArray = new JsonArray();
for (final RoomParticipant participant : this.getParticipants()) {
log.debug("PARTICIPANT {}: visiting participant", user.getName(), participant.getName());
if (!participant.equals(user)) {
final JsonElement participantName = new JsonPrimitive(participant.getName());
participantsArray.add(participantName);
}
}
final JsonObject existingParticipantsMsg = new JsonObject();
existingParticipantsMsg.addProperty("id", "existingParticipants");
existingParticipantsMsg.add("data", participantsArray);
log.debug(
"PARTICIPANT {}: sending a list of {} participants",
user.getName(),
participantsArray.size());
user.sendMessage(existingParticipantsMsg);
}
public RoomParticipant join(String userName, WebSocketSession session) {
checkClosed();
if (pipeline == null) {
log.info("ROOM {}: Creating MediaPipeline", userName);
pipeline = kurento.createMediaPipeline();
}
log.info("ROOM {}: adding participant {}", userName, userName);
final RoomParticipant participant = new RoomParticipant(userName, this, session, this.pipeline);
sendParticipantNames(participant);
final JsonObject newParticipantMsg = new JsonObject();
newParticipantMsg.addProperty("id", "newParticipantArrived");
newParticipantMsg.addProperty("name", participant.getName());
log.debug(
"ROOM {}: notifying other participants {} of new participant {}",
name,
participants.values(),
participant.getName());
for (final RoomParticipant participant1 : participants.values()) {
participant1.sendMessage(newParticipantMsg);
}
participants.put(participant.getName(), participant);
log.debug(
"ROOM {}: Notified other participants {} of new participant {}",
name,
participants.values(),
participant.getName());
return participant;
}