/** Shutdown the processor. */
public void shutdown() {
LOG.info("Shutting down");
finished = true;
queuedRequests.clear();
queuedRequests.add(Request.requestOfDeath);
nextProcessor.shutdown();
}
public void send(Message message) {
try {
// force keyframe? ditch all the other messages on the queue
// since this message will overwrite everything
if (message.isBlockMessage() && ((BlockMessage) message).getForceKeyFrame()) {
blockDataQ.clear();
notifyQueueListener(0);
}
// stick message on queue
blockDataQ.put(message);
// if the queue is backed up, purge it of duplicate blocks
int qSizeInBlocks = getQueueSizeInBlocks();
if (qSizeInBlocks > ScreenShareInfo.MAX_QUEUE_SIZE_FOR_PAUSE) {
if (ScreenShareInfo.getPurgeBackedUpQueue()) {
purgeBlockDataQ();
}
notifyQueueListener(qSizeInBlocks);
}
// if we're being slow, notify also
if (ScreenShareInfo.adjustPauseFromQueueSize && perfStats.isSlow()) {
notifyPerformanceListener(true);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
@Override
public void run() {
Thread videoDecoder = new Thread(new VideoDecoder(this));
videoDecoder.start();
long lastFrameWrite = System.nanoTime() - NANOSECONDS_PER_FRAME;
long timeNow = 0;
try {
while ((!videoDecoded || !imgBuffer.isEmpty()) && frame.isVisible()) {
timeNow = System.nanoTime();
if (timeNow - lastFrameWrite >= NANOSECONDS_PER_FRAME) {
lastFrameWrite = timeNow;
BufferedImage img = imgBuffer.take();
g.drawImage(img, 0, 0, frame.getWidth(), frame.getHeight(), null);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ImageIO.write(img, "jpg", bos);
proxy.receiveImage(ByteBuffer.wrap(bos.toByteArray()));
}
}
} catch (IOException | InterruptedException e) {
// other user has disconnected, stop sending video
}
imgBuffer.clear();
frame.setVisible(false);
try {
proxy.setFrameVisible(true, false);
} catch (IOException e) {
System.err.println("The other user has disconnected, stopping video.");
}
}
@Override
public void clear() {
Clear clear = new Clear();
checkNotStopped(); // check we can change the changesDeque
changesDeque.clear();
enqueue(clear);
}
public void close() throws IOException {
if (fileTask != null) {
fileTask.cancel(true);
}
fileLinkedBlockingQueue.clear();
fileLinkedBlockingQueue = null;
fileTask = null;
closed = true;
}
private void leaveInstance(Vote v) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"About to leave FLE instance: leader="
+ v.getId()
+ ", zxid=0x"
+ Long.toHexString(v.getZxid())
+ ", my id="
+ self.getId()
+ ", my state="
+ self.getPeerState());
}
recvqueue.clear();
}
protected void disconnect(final long timeout, final long bannedFor, final String reason) {
try {
if (hasConnectionSlot.tryAcquire()) {
if (unsolicited) {
unsolicitedConnectSlot.release();
} else {
connectSlot.release();
}
}
if (connected.tryAcquire()) {
openConnections.decrementAndGet();
log.trace("Number of connections is now " + openConnections.get());
}
if (channel.isRegistered()) {
selectorChanges.add(
new ChangeRequest(channel, ChangeRequest.CANCEL, SelectionKey.OP_ACCEPT, null));
selector.wakeup();
}
if (channel.isOpen()) {
channel.close();
log.trace("Disconnect " + channel);
writes.clear();
reads.clear();
reads.add(closedMark);
peerThreads.execute(
new Runnable() {
@Override
public void run() {
onDisconnect(timeout, bannedFor, reason);
}
});
}
} catch (IOException e) {
log.trace("Exception in disconnect ", e);
}
}
@Override
public void finish() {
buffer.clear();
}
public synchronized void dispose() {
GnuBackgammon.out.println("===> QUEUE DISPOSED");
dispatchExecutor.shutdownNow();
queue.clear();
}
private void clearAllBuffers() {
bluetoothBuffer.clear();
serialBuffer.clear();
}
public static void clearQueue() {
sWorkQueue.clear();
}
public void shutdown() {
submittedRequests.clear();
submittedRequests.add(Request.requestOfDeath);
nextProcessor.shutdown();
}
public void dropAll() {
eventsQueue.clear();
}
/*
* (non-Javadoc)
*
* @see org.mixare.mgr.downloader.DownloadManager#purgeLists()
*/
public synchronized void resetActivity() {
todoList.clear();
doneList.clear();
}
public void stop() {
if (encodeThread != null) {
encodeThread.exit();
}
captureQueue.clear();
}
public void clearData() {
data.clear();
}
@Override
public void clear() {
queue.clear();
}
/**
* We used to be much more proactive here -- maintaining file tree info and periodically
* refreshing it. This used a lot of memory for large directory trees, so now we simply refresh
* all watch directories periodically.
*/
private void sync() {
logger.fine("sync()");
synchronized (watch_dirs) {
long startSyncTime = System.currentTimeMillis();
/** Since we are updating now, just remove all existing ones and create new ones. */
for (DirectoryWatcher existing : watchers.values()) {
existing.setDone();
}
watchers.clear();
/**
* We may have built up a backlog of things to hash -- these will regenerate once we do the
* initial scan of the newly created watch directories
*/
additionsToProcess.clear();
/** first pass: anything to add */
logger.fine(watch_dirs.size() + " watchdirs");
for (int i = 0; i < watch_dirs.size(); i++) {
MagicPath magic = null;
try {
if (watch_dirs.get(i) == null) {
continue;
}
if (watch_dirs.get(i).length() == 0) {
continue;
}
magic = new MagicPath(watch_dirs.get(i));
} catch (MagicPathParseException e) {
logger.warning(e.toString() + " on " + watch_dirs.get(i));
watch_dirs = new StringListImpl();
break;
}
String path = magic.getPath();
if (watchers.containsKey(path) == false && !alreadyWatched(path)) {
try {
logger.fine("new directoryWatcher: " + path);
DirectoryWatcher dw = new DirectoryWatcher(magic, 60);
// dw.start();
additionsToProcess.put(
new FileChange(dw.mTree, magic.getType(), new File(magic.getPath())));
// dw.addListener(this);
// watchers.put(path, dw);
} catch (Exception e) {
e.printStackTrace();
}
}
}
int preferredIntervalMinutes = 0;
try {
preferredIntervalMinutes =
COConfigurationManager.getIntParameter("oneswarm.watchdir.refresh.interval");
} catch (Exception e) {
e.printStackTrace();
}
long duration = System.currentTimeMillis() - startSyncTime;
long interval = 120 * 1000;
// if( duration < 1000 ) {
// interval = 30*1000;
// } else { // huge scan time!
// at least once/hour, 10X the scan time, but no less than 60
// seconds
interval = (long) Math.min(Math.max(120 * 1000, 20 * duration), 60 * 60 * 1000);
interval = Math.max(120 * 1000, interval);
// }
if (preferredIntervalMinutes > 0) {
logger.finest("Using provided setting for watch directory refresh interval: " + interval);
interval = preferredIntervalMinutes * 60 * 1000;
}
nextSyncTime = System.currentTimeMillis() + interval;
logger.fine(
"Watch directories sync took: "
+ duration
+ " (wall) next in: "
+ interval
+ " ("
+ new Date(nextSyncTime)
+ ")");
}
}
public void clearControl() {
control.clear();
}
/**
* Clear the cache.
*
* @since 0.9.21
*/
public static void clearCache() {
if (_available != null) _available.clear();
}
/**
* this examines the block data queue for messages that may include the same blocks and discards
* any dupe blocks todo: refactor this nastiness
*/
private synchronized void purgeBlockDataQ() {
Message message, nextMessage;
BlockMessage blockMessage, nextBlockMessage;
Integer[] blocks, nextBlocks;
boolean skipMessage = false;
int currentMessage = 0;
LinkedBlockingQueue<Message> cloneQ =
new LinkedBlockingQueue<Message>(ScreenShareInfo.MAX_QUEUED_MESSAGES);
AtomicLong startTime = new AtomicLong(System.currentTimeMillis());
Iterator it = blockDataQ.iterator();
while (it.hasNext()) {
message = (Message) it.next();
skipMessage = false;
++currentMessage;
// we only care about block messages that are keyframes
// and have another block message after them
// to dedupe against
if (!(message.isBlockMessage() && ((BlockMessage) message).getForceKeyFrame())
&& it.hasNext()) {
continue;
}
blockMessage = (BlockMessage) message;
blocks = blockMessage.getBlocks();
// look at the next block message to see if it overlaps with this one
nextMessage = null;
while (it.hasNext()) {
nextMessage = (Message) it.next();
if (!nextMessage.isBlockMessage()) {
nextMessage = null;
continue;
}
}
// now compare the blocks between this msg and the next block message
if (nextMessage != null) {
nextBlockMessage = (BlockMessage) nextMessage;
nextBlocks = nextBlockMessage.getBlocks();
// exactly the same? ditch the whole message
if (nextBlockMessage.hasSameBlocksAs(blockMessage)) {
skipMessage = true;
} else {
// not exactly the same? See if we can prune dupe blocks
blockMessage.discardBlocksSharedWith(nextBlockMessage);
skipMessage = (nextBlockMessage.isEmpty());
}
}
// if the current message must be retained, put it on the clone queue
if (skipMessage) {
continue;
}
try {
cloneQ.put(message);
} catch (InterruptedException e) {
// System.out.println("Can't put message on clone queue");
}
}
// we've looked at the whole queue, so time to swap in clone for real queue
try {
blockDataQ.clear();
for (Message cloneMessage : cloneQ) {
blockDataQ.put(cloneMessage);
}
} catch (InterruptedException e) {
// System.out.println("Can't dump clone queue into queue");
}
}
