/** Stop all the services we provide. This is the opposite of {@link #daemonStart}. */
void daemonStop(long time, TimeUnit unit) {
shutdownSemaphore.release();
try {
synchronized (this) {
if (primaryServer == null) {
return; // Already stopped.
}
config.removeConfigModificationListener(configModListener);
gsa.stop(time, unit);
try {
gsa.getAdaptor().destroy();
} finally {
gsa.teardown();
}
}
} finally {
boolean interrupted = false;
while (true) {
try {
shutdownSemaphore.acquire();
break;
} catch (InterruptedException ex) {
interrupted = true;
}
}
if (interrupted) {
Thread.currentThread().interrupt();
}
}
}
private synchronized void realDaemonStart() throws IOException, InterruptedException {
AdaptorContext context = gsa.setup(primaryServer, dashboardServer, null);
long sleepDurationMillis = 8000;
// An hour.
long maxSleepDurationMillis = 60 * 60 * 1000;
// Loop until 1) the adaptor starts successfully, 2) an unrecoverable
// StartupException is thrown, 3) stop() is called, or 4) Thread.interrupt()
// is called on this thread (which we don't do).
// Retrying to start the adaptor is helpful in cases where it needs
// initialization data from a repository that is temporarily down; if the
// adaptor is running as a service, we don't want to stop starting simply
// because another computer is down while we start (which would easily be
// the case after a power failure).
while (true) {
try {
gsa.tryToPutVersionIntoConfig();
String adaptorType = gsa.getAdaptor().getClass().getName();
log.log(Level.INFO, "about to init {0}", adaptorType);
gsa.getAdaptor().init(context);
break;
} catch (InterruptedException ex) {
throw ex;
} catch (StartupException ex) {
throw ex;
} catch (Exception ex) {
log.log(Level.WARNING, "Failed to initialize adaptor", ex);
if (shutdownSemaphore.tryAcquire(sleepDurationMillis, TimeUnit.MILLISECONDS)) {
shutdownSemaphore.release();
// Shutdown initiated.
return;
}
sleepDurationMillis = Math.min(sleepDurationMillis * 2, maxSleepDurationMillis);
gsa.ensureLatestConfigLoaded();
}
}
config.addConfigModificationListener(configModListener);
gsa.start(new ShutdownHook());
}
