/**
* Start this server. If we manage an own HttpServer, then the HttpServer will be started as well.
*/
public void start() {
// URL as configured takes precedence
String configUrl =
NetworkUtil.replaceExpression(config.getJolokiaConfig().get(ConfigKey.DISCOVERY_AGENT_URL));
jolokiaHttpHandler.start(
lazy, configUrl != null ? configUrl : url, config.getAuthenticator() != null);
if (httpServer != null) {
// Starting our own server in an own thread group with a fixed name
// so that the cleanup thread can recognize it.
ThreadGroup threadGroup = new ThreadGroup("jolokia");
threadGroup.setDaemon(false);
Thread starterThread =
new Thread(
threadGroup,
new Runnable() {
@Override
public void run() {
httpServer.start();
}
});
starterThread.start();
cleaner = new CleanupThread(httpServer, threadGroup);
cleaner.start();
}
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(group, r, namePrefix + threadNumber.getAndIncrement(), 0);
if (t.isDaemon()) t.setDaemon(false);
t.setPriority(threadPriority);
return t;
}
@Override
/** {@inheritDoc} */
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setDaemon(true);
return t;
}
public void waitInternal(boolean interrupt) {
if (queueListener.get() == null) {
return;
}
if (isCurrentThread()) {
return;
}
long MAX_TIMEOUT = 1000 * 10;
long start = System.currentTimeMillis();
while (queueListener.get().isRunning()) {
try {
TimeUnit.MILLISECONDS.sleep(100);
Thread thread = queueListener.get().getThread();
if (interrupt) {
if (thread != null) {
thread.interrupt();
}
} else if (System.currentTimeMillis() - start > MAX_TIMEOUT) {
if (thread != null) {
String msg = "Waited for " + MAX_TIMEOUT + "ms, will now interrupt the thread";
log.warn(msg);
thread.interrupt();
throw new RuntimeException(msg);
}
}
} catch (InterruptedException e) {
log.trace("Got Interrupted while waiting for tasks.", e);
}
}
}
@Test
public void removeListener() throws InterruptedException, IOException {
HazelcastClient hClient = getHazelcastClient();
final IMap<String, String> map = hClient.getMap("removeListener");
final CountDownLatch entryAddLatch = new CountDownLatch(5);
final CountDownLatch entryUpdatedLatch = new CountDownLatch(5);
final CountDownLatch entryRemovedLatch = new CountDownLatch(5);
CountDownLatchEntryListener<String, String> listener1 =
new CountDownLatchEntryListener<String, String>(
entryAddLatch, entryUpdatedLatch, entryRemovedLatch);
CountDownLatchEntryListener<String, String> listener2 =
new CountDownLatchEntryListener<String, String>(
entryAddLatch, entryUpdatedLatch, entryRemovedLatch);
map.addEntryListener(listener1, true);
map.put("hello", "world");
map.put("hello", "new world");
map.remove("hello");
Thread.sleep(100);
assertEquals(4, entryAddLatch.getCount());
assertEquals(4, entryRemovedLatch.getCount());
assertEquals(4, entryUpdatedLatch.getCount());
map.removeEntryListener(listener1);
map.put("hello", "world");
map.put("hello", "new world");
map.remove("hello");
Thread.sleep(100);
assertEquals(4, entryAddLatch.getCount());
assertEquals(4, entryRemovedLatch.getCount());
assertEquals(4, entryUpdatedLatch.getCount());
}
/** Test for issue #39 */
@Test
public void testIsMapKeyLocked() throws InterruptedException {
HazelcastClient hClient = getHazelcastClient();
final IMap map = hClient.getMap("testIsMapKeyLocked");
assertFalse(map.isLocked("key"));
map.lock("key");
assertTrue(map.isLocked("key"));
final CountDownLatch latch = new CountDownLatch(1);
Thread thread =
new Thread(
new Runnable() {
public void run() {
assertTrue(map.isLocked("key"));
try {
while (map.isLocked("key")) {
Thread.sleep(100);
}
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
latch.countDown();
}
});
thread.start();
Thread.sleep(100);
map.unlock("key");
assertTrue(latch.await(3, TimeUnit.SECONDS));
}
@Test
public void putFromMultipleThreads() throws InterruptedException {
final HazelcastInstance h = Hazelcast.newHazelcastInstance(null);
final AtomicInteger counter = new AtomicInteger(0);
class Putter implements Runnable {
volatile Boolean run = true;
public void run() {
HazelcastClient hClient = TestUtility.newHazelcastClient(h);
while (run) {
Map<String, String> clientMap = hClient.getMap("putFromMultipleThreads");
clientMap.put(String.valueOf(counter.incrementAndGet()), String.valueOf(counter.get()));
}
}
};
List<Putter> list = new ArrayList<Putter>();
for (int i = 0; i < 10; i++) {
Putter p = new Putter();
list.add(p);
new Thread(p).start();
}
Thread.sleep(5000);
for (Iterator<Putter> it = list.iterator(); it.hasNext(); ) {
Putter p = it.next();
p.run = false;
}
Thread.sleep(100);
assertEquals(counter.get(), h.getMap("putFromMultipleThreads").size());
}
@Override
public void run() {
try {
boolean running = true;
while (running) {
try {
// block on event availability
ThreadBoundEvent event = queue.take();
// add to the batch, and see if we can add more
batch.add(event);
if (maxBatchSize > 0) {
queue.drainTo(batch, maxBatchSize);
}
// check for the stop condition (and remove it)
// treat batches of 1 (the most common case) specially
if (batch.size() > 1) {
ListIterator<ThreadBoundEvent> itr = batch.listIterator();
while (itr.hasNext()) {
ThreadBoundEvent next = itr.next();
if (next.getClass().equals(ShutdownTask.class)) {
running = false;
((ShutdownTask) next).latch.countDown();
itr.remove();
}
}
eventProcessor.process(batch);
} else {
// just the one event, no need to iterate
if (event.getClass().equals(ShutdownTask.class)) {
running = false;
((ShutdownTask) event).latch.countDown();
} else {
eventProcessor.process(batch);
}
}
} catch (InterruptedException e) {
LOG.warn(
String.format(
"Consumer on queue %s interrupted.", Thread.currentThread().getName()));
// ignore
} catch (Throwable exception) {
LOG.error(
String.format(
"exception on queue %s while executing events",
Thread.currentThread().getName()),
exception);
} finally {
// reset the batch
batch.clear();
}
}
} catch (Throwable unexpectedThrowable) {
// we observed some cases where trying to log the inner exception threw an error
// don't use the logger here as that seems to be causing the problem in the first place
System.err.println("Caught and unexpected Throwable while logging");
System.err.println(
"This problem happens when jar files change at runtime, JVM might be UNSTABLE");
unexpectedThrowable.printStackTrace(System.err);
}
}
public static void main(String[] args) {
CustomScheduler scheduler = new CustomScheduler();
Thread t = new Thread(scheduler);
t.start();
Future<String> result =
scheduler.enqueue(
new Callable<String>() {
@Override
public String call() throws Exception {
Thread.sleep(1500);
int i = 1;
if (1 == i) {
throw new RuntimeException("test");
}
return "ok";
}
});
try {
System.out.println(result.get());
;
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
/* (non-Javadoc)
* @see net.xeoh.plugins.remotediscovery.impl.v4.probes.AbstractProbe#startup()
*/
@Override
public void startup() {
super.startup();
final Thread thread =
new Thread(
new Runnable() {
@Override
public void run() {
backgroundInit();
}
});
thread.setDaemon(true);
thread.start();
this.timer = new Timer();
this.timer.schedule(
new TimerTask() {
@Override
public void run() {
discoverThread();
}
},
0,
260);
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setDaemon(true);
t.setName("shell-bolt-heartbeat");
return t;
}
public static void main(String[] args) throws Exception {
int maxThreads = 100;
if (args.length > 0) maxThreads = Integer.parseInt(args[0]);
System.out.print("Warmup:");
for (int j = 0; j < 2; ++j) {
int k = 1;
for (int i = 1; i <= maxThreads; ) {
System.out.print(" " + i);
oneTest(i, 10000, false);
Thread.sleep(100);
if (i == k) {
k = i << 1;
i = i + (i >>> 1);
} else i = k;
}
}
System.out.println();
int k = 1;
for (int i = 1; i <= maxThreads; ) {
System.out.println("Threads:" + i);
oneTest(i, maxIters, true);
Thread.sleep(100);
if (i == k) {
k = i << 1;
i = i + (i >>> 1);
} else i = k;
}
}
@Test
public void testThreadInterupt() {
Thread thread =
new Thread("interupt") {
public void run() {
for (; ; ) {
try {
foo();
System.out.println(1);
} catch (InterruptedException e) {
e.printStackTrace();
break;
} catch (Exception e) {
e.printStackTrace();
}
// if(Thread.interrupted()){
// System.out.println("iiiiiii");
// break;
// }
}
}
};
thread.start();
System.out.println(thread.getName());
}
private static void testPotato(
Class<? extends Collection> implClazz, Class<? extends List> argClazz) throws Throwable {
try {
System.out.printf("implClazz=%s, argClazz=%s\n", implClazz.getName(), argClazz.getName());
final int iterations = 100000;
final List<Integer> list = (List<Integer>) argClazz.newInstance();
final Integer one = Integer.valueOf(1);
final List<Integer> oneElementList = Collections.singletonList(one);
final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
final Thread t =
new CheckedThread() {
public void realRun() {
for (int i = 0; i < iterations; i++) {
list.add(one);
list.remove(one);
}
}
};
t.setDaemon(true);
t.start();
for (int i = 0; i < iterations; i++) {
Collection<?> coll = constr.newInstance(list);
Object[] elts = coll.toArray();
check(elts.length == 0 || (elts.length == 1 && elts[0] == one));
}
} catch (Throwable t) {
unexpected(t);
}
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName("Threading.THREAD_POOL worker");
t.setDaemon(true);
return t;
}
public Integer call() {
count = 0;
try {
File[] files = directory.listFiles();
ArrayList<Future<Integer>> results = new ArrayList<Future<Integer>>();
for (File file : files)
if (file.isDirectory()) {
MatchCounter counter = new MatchCounter(file, keyword);
FutureTask<Integer> task = new FutureTask<Integer>(counter);
results.add(task);
Thread t = new Thread(task);
t.start();
} else {
if (search(file)) count++;
}
for (Future<Integer> result : results)
try {
count += result.get();
} catch (ExecutionException e) {
e.printStackTrace();
}
} catch (InterruptedException e) {
}
return count;
}
public AnimationFrame() {
ArrayComponent comp = new ArrayComponent();
add(comp, BorderLayout.CENTER);
final Sorter sorter = new Sorter(comp);
JButton runButton = new JButton("Run");
runButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
sorter.setRun();
}
});
JButton stepButton = new JButton("Step");
stepButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
sorter.setStep();
}
});
JPanel buttons = new JPanel();
buttons.add(runButton);
buttons.add(stepButton);
add(buttons, BorderLayout.NORTH);
setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
Thread t = new Thread(sorter);
t.start();
}
/**
* Tests the behavior of Zookeeper upon a restart. ZK should clean up old coordinates.
*
* @throws Exception
*/
@Test
public void testZookeeperRestarts() throws Exception {
final CountDownLatch connectedLatch1 = new CountDownLatch(1);
final CountDownLatch connectedLatch2 = new CountDownLatch(3);
TestCoordinateListener listener = setUpListenerEnvironment(connectedLatch1, connectedLatch2);
assertTrue(connectedLatch1.await(20, TimeUnit.SECONDS));
log.info("Killing zookeeper");
forwarder.terminate();
ezk.shutdown();
ezk.del();
ezk.init();
Thread.sleep(2000);
forwarder = new PortForwarder(forwarderPort, "127.0.0.1", zkport);
int timeoutSecs = 30;
while (--timeoutSecs > 0) {
Thread.sleep(1000);
}
Coordinate c = Coordinate.parse("1.service.user.cell");
cn.createCoordinate(c);
Thread.sleep(9000);
assertEquals(
listener.events.get(listener.events.size() - 1), CoordinateListener.Event.COORDINATE_OK);
}
final void test() throws Exception {
Future[] futures = new Future[nthreads];
for (int i = 0; i < nthreads; ++i) futures[i] = pool.submit(this);
barrier.await();
Thread.sleep(TIMEOUT);
boolean tooLate = false;
for (int i = 1; i < nthreads; ++i) {
if (!futures[i].cancel(true)) tooLate = true;
// Unbunch some of the cancels
if ((i & 3) == 0) Thread.sleep(1 + rng.next() % 10);
}
Object f0 = futures[0].get();
if (!tooLate) {
for (int i = 1; i < nthreads; ++i) {
if (!futures[i].isDone() || !futures[i].isCancelled())
throw new Error("Only one thread should complete");
}
} else System.out.print("(cancelled too late) ");
long endTime = System.nanoTime();
long time = endTime - timer.startTime;
if (print) {
double secs = (double) (time) / 1000000000.0;
System.out.println("\t " + secs + "s run time");
}
}
public SegmentCacheManager(MondrianServer server) {
this.server = server;
ACTOR = new Actor();
thread = new Thread(ACTOR, "mondrian.rolap.agg.SegmentCacheManager$ACTOR");
thread.setDaemon(true);
thread.start();
// Create the index registry.
this.indexRegistry = new SegmentCacheIndexRegistry();
// Add a local cache, if needed.
if (!MondrianProperties.instance().DisableCaching.get()) {
final MemorySegmentCache cache = new MemorySegmentCache();
segmentCacheWorkers.add(new SegmentCacheWorker(cache, thread));
}
// Add an external cache, if configured.
final List<SegmentCache> externalCache = SegmentCacheWorker.initCache();
for (SegmentCache cache : externalCache) {
// Create a worker for this external cache
segmentCacheWorkers.add(new SegmentCacheWorker(cache, thread));
// Hook up a listener so it can update
// the segment index.
cache.addListener(new AsyncCacheListener(this, server));
}
compositeCache = new CompositeSegmentCache(segmentCacheWorkers);
}
@Test
public void testBolockingQueue() {
final BlockingQueue<Object> blockingQ = new ArrayBlockingQueue<Object>(10);
Thread thread =
new Thread("consumer thread") {
public void run() {
System.out.println(1);
for (int i = 0; i < 5; i++) {
// Object object = blockingQ.poll(); // 杯具，不等待就会直接返回
Object object = null;
try {
object = blockingQ.take();
System.out.println(i);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(object);
}
}
};
thread.start();
try {
blockingQ.put("111");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
@Test
public void testCoordinateListenerConnectionDiesReconnectAfterTimeout() throws Exception {
final CountDownLatch connectedLatch1 = new CountDownLatch(2);
final CountDownLatch connectedLatch2 = new CountDownLatch(6);
TestCoordinateListener listener = setUpListenerEnvironment(connectedLatch1, connectedLatch2);
assertTrue(connectedLatch1.await(20, TimeUnit.SECONDS));
assertEquals(
CoordinateListener.Event.COORDINATE_OK, listener.events.get(listener.events.size() - 1));
log.info("Killing connection");
forwarder.terminate();
log.info("Connection down.");
Thread.sleep(9000);
log.info("Recreating connection soon" + forwarderPort + "->" + zkport);
Thread.sleep(1000);
assertEquals(
CoordinateListener.Event.NO_CONNECTION_TO_STORAGE,
listener.events.get(listener.events.size() - 1));
forwarder = new PortForwarder(forwarderPort, "127.0.0.1", zkport);
assertTrue(connectedLatch2.await(20, TimeUnit.SECONDS));
for (int c = 0; c < 100; c++) {
if (CoordinateListener.Event.COORDINATE_OK
== listener.events.get(listener.events.size() - 1)) {
break;
}
Thread.sleep(300);
}
Thread.sleep(4500);
assertEquals(
CoordinateListener.Event.COORDINATE_OK, listener.events.get(listener.events.size() - 1));
forwarder.terminate();
}
// Do some simple concurrent testing
public void testConcurrentSimple() throws InterruptedException {
final NonBlockingIdentityHashMap<String, String> nbhm =
new NonBlockingIdentityHashMap<String, String>();
final String[] keys = new String[20000];
for (int i = 0; i < 20000; i++) keys[i] = "k" + i;
// In 2 threads, add & remove even & odd elements concurrently
Thread t1 =
new Thread() {
public void run() {
work_helper(nbhm, "T1", 1, keys);
}
};
t1.start();
work_helper(nbhm, "T0", 0, keys);
t1.join();
// In the end, all members should be removed
StringBuffer buf = new StringBuffer();
buf.append("Should be emptyset but has these elements: {");
boolean found = false;
for (String x : nbhm.keySet()) {
buf.append(" ").append(x);
found = true;
}
if (found) System.out.println(buf + " }");
assertThat("concurrent size=0", nbhm.size(), is(0));
for (String x : nbhm.keySet()) {
assertTrue("No elements so never get here", false);
}
}
public Notifier(String listenNodePath) {
super.setDaemon(true);
super.setName("LTSRedisSubscribe");
this.listenNodePath = listenNodePath;
if (monitorId == null) {
monitorId = listenNodePath;
}
}
@Override
protected void setUp() throws Exception {
tmp = IO.getFile("generated/tmp");
tmp.mkdirs();
IO.copy(IO.getFile("testdata/ws"), tmp);
workspace = Workspace.getWorkspace(tmp);
workspace.refresh();
InfoRepository repo = workspace.getPlugin(InfoRepository.class);
t1 = create("bsn-1", new Version(1, 0, 0));
t2 = create("bsn-2", new Version(1, 0, 0));
repo.put(new FileInputStream(t1), null);
repo.put(new FileInputStream(t2), null);
t1 = repo.get("bsn-1", new Version(1, 0, 0), null);
t2 = repo.get("bsn-2", new Version(1, 0, 0), null);
repo.put(new FileInputStream(IO.getFile("generated/biz.aQute.remote.launcher.jar")), null);
workspace.getPlugins().add(repo);
File storage = IO.getFile("generated/storage-1");
storage.mkdirs();
configuration = new HashMap<String, Object>();
configuration.put(
Constants.FRAMEWORK_STORAGE_CLEAN, Constants.FRAMEWORK_STORAGE_CLEAN_ONFIRSTINIT);
configuration.put(Constants.FRAMEWORK_STORAGE, storage.getAbsolutePath());
configuration.put(
Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, "org.osgi.framework.launch;version=1.2");
framework = new org.apache.felix.framework.FrameworkFactory().newFramework(configuration);
framework.init();
framework.start();
context = framework.getBundleContext();
location = "reference:" + IO.getFile("generated/biz.aQute.remote.agent.jar").toURI().toString();
agent = context.installBundle(location);
agent.start();
thread =
new Thread() {
@Override
public void run() {
try {
Main.main(
new String[] {
"-s", "generated/storage", "-c", "generated/cache", "-p", "1090", "-et"
});
} catch (Exception e) {
e.printStackTrace();
}
}
};
thread.setDaemon(true);
thread.start();
super.setUp();
}
public static void printThreads() {
Thread[] threads = getAllThreads();
for (int i = 0; i < threads.length; i++) {
Thread t = threads[i];
if (t != null) {
System.out.println(t.getName());
}
}
}
public static void main(String[] args) throws Exception {
for (int i = 0; i < 10; i++) {
Thread daemon = new Thread(new SimpleDaemons());
daemon.setDaemon(true); // Must call before start()
daemon.start();
}
print("All daemons started");
TimeUnit.MILLISECONDS.sleep(175);
}
void stop() {
stopping = true;
sinkThread.interrupt();
try {
sinkThread.join();
} catch (InterruptedException e) {
LOG.warn("Stop interrupted", e);
}
}
@Override
public void run() {
System.out.println(
System.currentTimeMillis() + ":Thread ID:" + Thread.currentThread().getId());
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
synchronized void waitingCall() {
try {
while (!Thread.interrupted()) {
wait();
System.out.print(Thread.currentThread() + " ");
}
} catch (InterruptedException e) {
// OK to exit this way
}
}
