@Override
public String getFunctionValue(final Node node, final Parameters parameters) {
if (log.isDebugEnabled()) {
log.debug("node #" + node.getNumber());
log.debug("params: " + parameters);
}
String status = getDownloadStatus(node);
int timeout = 5;
if (parameters.get(TIMEOUT) != null) {
timeout = parameters.get(TIMEOUT);
}
if (status == null) {
Action action = ActionRepository.getInstance().get("streams", "download_media");
if (action == null) {
throw new IllegalStateException("Action could not be found");
}
if (node.getCloud().may(action, null)) {
synchronized (runningJobs) {
Future<?> future = runningJobs.get(node.getNumber());
if (future == null) {
setDownloadStatus(node, "busy: " + System.currentTimeMillis());
future = submit(node, parameters);
ThreadPools.identify(
future,
DownloadFunction.class.getName()
+ " downloading... for #"
+ node.getNumber()
+ " - status: "
+ getDownloadStatus(node));
String fname = ThreadPools.getString(future);
log.info("Future name: " + fname);
try {
status = (String) future.get(timeout, TimeUnit.SECONDS);
log.info("status: " + status);
} catch (TimeoutException te) {
status = ThreadPools.getString(future);
log.info("TimeoutException: " + status);
} catch (Exception e) {
log.error(e);
}
} else {
status = ThreadPools.getString(future);
}
}
log.info("status: " + status);
return status;
} else {
throw new org.mmbase.security.SecurityException("Not allowed");
}
}
return status;
}
static {
threadPools.put(
Stage.TRANSCODER,
new ThreadPoolExecutor(
3,
3,
5 * 60,
TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(),
new ThreadFactory() {
public Thread newThread(Runnable r) {
return ThreadPools.newThread(
r, "TranscoderThread-" + Stage.TRANSCODER + "-" + (transSeq++));
}
}));
threadPools.put(
Stage.RECOGNIZER,
new ThreadPoolExecutor(
3,
3,
5 * 60,
TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(),
new ThreadFactory() {
public Thread newThread(Runnable r) {
return ThreadPools.newThread(
r, "TranscoderThread-" + Stage.RECOGNIZER + "-" + (transSeq++));
}
}));
// register them too
ThreadPools.getThreadPools()
.put(Executors.class.getName() + "." + Stage.TRANSCODER, threadPools.get(Stage.TRANSCODER));
ThreadPools.getThreadPools()
.put(Executors.class.getName() + "." + Stage.RECOGNIZER, threadPools.get(Stage.RECOGNIZER));
// fill the rest of the map too, so we don't have to think about it any more later on.
for (Stage s : Stage.values()) {
if (!threadPools.containsKey(s)) {
threadPools.put(s, ThreadPools.jobsExecutor);
}
}
// default configuration, 5 + 1 executors.
for (int i = 0; i < 5; i++) {
executorsMap.put(new CommandExecutor.Method(), Stage.TRANSCODER);
}
executorsMap.put(new CommandExecutor.Method(), Stage.RECOGNIZER);
readConfiguration();
}