/**
* Closes given {@link #transportManagers} of this <tt>Conference</tt> and removes corresponding
* channel bundle.
*/
void closeTransportManager(TransportManager transportManager) {
synchronized (transportManagers) {
for (Iterator<IceUdpTransportManager> i = transportManagers.values().iterator();
i.hasNext(); ) {
if (i.next() == transportManager) {
i.remove();
// Presumably, we have a single association for
// transportManager.
break;
}
}
// Close manager
try {
transportManager.close();
} catch (Throwable t) {
logger.warn(
"Failed to close an IceUdpTransportManager of" + " conference " + getID() + "!", t);
// The whole point of explicitly closing the
// transportManagers of this Conference is to prevent memory
// leaks. Hence, it does not make sense to possibly leave
// TransportManagers open because a TransportManager has
// failed to close.
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
}
void stop() {
if (timeoutThread == null) {
return;
}
enabled = false;
synchronized (sleepLock) {
sleepLock.notifyAll();
}
try {
if (Thread.currentThread() != timeoutThread) {
timeoutThread.join();
}
timeoutThread = null;
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
/**
* Expires this <tt>Conference</tt>, its <tt>Content</tt>s and their respective <tt>Channel</tt>s.
* Releases the resources acquired by this instance throughout its life time and prepares it to be
* garbage collected.
*/
public void expire() {
synchronized (this) {
if (expired) return;
else expired = true;
}
EventAdmin eventAdmin = videobridge.getEventAdmin();
if (eventAdmin != null) eventAdmin.sendEvent(EventFactory.conferenceExpired(this));
setRecording(false);
if (recorderEventHandler != null) {
recorderEventHandler.close();
recorderEventHandler = null;
}
Videobridge videobridge = getVideobridge();
try {
videobridge.expireConference(this);
} finally {
// Expire the Contents of this Conference.
for (Content content : getContents()) {
try {
content.expire();
} catch (Throwable t) {
logger.warn(
"Failed to expire content " + content.getName() + " of conference " + getID() + "!",
t);
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
// Close the transportManagers of this Conference. Normally, there
// will be no TransportManager left to close at this point because
// all Channels have expired and the last Channel to be removed from
// a TransportManager closes the TransportManager. However, a
// Channel may have expired before it has learned of its
// TransportManager and then the TransportManager will not close.
closeTransportManagers();
if (logger.isInfoEnabled()) {
logger.info(
"Expired conference " + getID() + ". " + videobridge.getConferenceCountString());
}
}
}
void start() {
if (timeoutThread != null) {
throw new IllegalStateException();
}
timeoutThread =
new Thread(
new Runnable() {
@Override
public void run() {
expireLoop();
}
},
"FocusExpireThread");
enabled = true;
timeoutThread.start();
}
private void expireLoop() {
while (enabled) {
// Sleep
try {
synchronized (sleepLock) {
sleepLock.wait(POLL_INTERVAL);
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
if (!enabled) break;
try {
ArrayList<JitsiMeetConference> conferenceCopy;
synchronized (FocusManager.this) {
conferenceCopy = new ArrayList<JitsiMeetConference>(conferences.values());
}
// Loop over conferences
for (JitsiMeetConference conference : conferenceCopy) {
long idleStamp = conference.getIdleTimestamp();
// Is active ?
if (idleStamp == -1) {
continue;
}
if (System.currentTimeMillis() - idleStamp > timeout) {
logger.info("Focus idle timeout for " + conference.getRoomName());
conference.stop();
}
}
} catch (Exception ex) {
logger.warn("Error while checking for timeouted conference", ex);
}
}
}
