use of org.apache.pulsar.broker.service.ServerCnx in project incubator-pulsar by apache.
the class PersistentTopic method subscribe.
@Override
public CompletableFuture<Consumer> subscribe(final ServerCnx cnx, String subscriptionName, long consumerId, SubType subType, int priorityLevel, String consumerName, boolean isDurable, MessageId startMessageId, Map<String, String> metadata, boolean readCompacted, InitialPosition initialPosition) {
final CompletableFuture<Consumer> future = new CompletableFuture<>();
if (readCompacted && !(subType == SubType.Failover || subType == SubType.Exclusive)) {
future.completeExceptionally(new NotAllowedException("readCompacted only allowed on failover or exclusive subscriptions"));
return future;
}
if (isBlank(subscriptionName)) {
if (log.isDebugEnabled()) {
log.debug("[{}] Empty subscription name", topic);
}
future.completeExceptionally(new NamingException("Empty subscription name"));
return future;
}
if (hasBatchMessagePublished && !cnx.isBatchMessageCompatibleVersion()) {
if (log.isDebugEnabled()) {
log.debug("[{}] Consumer doesn't support batch-message {}", topic, subscriptionName);
}
future.completeExceptionally(new UnsupportedVersionException("Consumer doesn't support batch-message"));
return future;
}
if (subscriptionName.startsWith(replicatorPrefix) || subscriptionName.equals(DEDUPLICATION_CURSOR_NAME)) {
log.warn("[{}] Failed to create subscription for {}", topic, subscriptionName);
future.completeExceptionally(new NamingException("Subscription with reserved subscription name attempted"));
return future;
}
lock.readLock().lock();
try {
if (isFenced) {
log.warn("[{}] Attempting to subscribe to a fenced topic", topic);
future.completeExceptionally(new TopicFencedException("Topic is temporarily unavailable"));
return future;
}
USAGE_COUNT_UPDATER.incrementAndGet(this);
if (log.isDebugEnabled()) {
log.debug("[{}] [{}] [{}] Added consumer -- count: {}", topic, subscriptionName, consumerName, USAGE_COUNT_UPDATER.get(this));
}
} finally {
lock.readLock().unlock();
}
CompletableFuture<? extends Subscription> subscriptionFuture = //
isDurable ? //
getDurableSubscription(subscriptionName, initialPosition) : getNonDurableSubscription(subscriptionName, startMessageId);
int maxUnackedMessages = isDurable ? brokerService.pulsar().getConfiguration().getMaxUnackedMessagesPerConsumer() : 0;
subscriptionFuture.thenAccept(subscription -> {
try {
Consumer consumer = new Consumer(subscription, subType, topic, consumerId, priorityLevel, consumerName, maxUnackedMessages, cnx, cnx.getRole(), metadata, readCompacted, initialPosition);
subscription.addConsumer(consumer);
if (!cnx.isActive()) {
consumer.close();
if (log.isDebugEnabled()) {
log.debug("[{}] [{}] [{}] Subscribe failed -- count: {}", topic, subscriptionName, consumer.consumerName(), USAGE_COUNT_UPDATER.get(PersistentTopic.this));
}
future.completeExceptionally(new BrokerServiceException("Connection was closed while the opening the cursor "));
} else {
log.info("[{}][{}] Created new subscription for {}", topic, subscriptionName, consumerId);
future.complete(consumer);
}
} catch (BrokerServiceException e) {
if (e instanceof ConsumerBusyException) {
log.warn("[{}][{}] Consumer {} {} already connected", topic, subscriptionName, consumerId, consumerName);
} else if (e instanceof SubscriptionBusyException) {
log.warn("[{}][{}] {}", topic, subscriptionName, e.getMessage());
}
USAGE_COUNT_UPDATER.decrementAndGet(PersistentTopic.this);
future.completeExceptionally(e);
}
}).exceptionally(ex -> {
log.warn("[{}] Failed to create subscription for {}: ", topic, subscriptionName, ex.getMessage());
USAGE_COUNT_UPDATER.decrementAndGet(PersistentTopic.this);
future.completeExceptionally(new PersistenceException(ex));
return null;
});
return future;
}
use of org.apache.pulsar.broker.service.ServerCnx in project incubator-pulsar by apache.
the class PersistentTopicConcurrentTest method setup.
@BeforeMethod
public void setup(Method m) throws Exception {
super.setUp(m);
ServiceConfiguration svcConfig = spy(new ServiceConfiguration());
PulsarService pulsar = spy(new PulsarService(svcConfig));
doReturn(svcConfig).when(pulsar).getConfiguration();
mlFactoryMock = mock(ManagedLedgerFactory.class);
ManagedLedgerFactory factory = new ManagedLedgerFactoryImpl(bkc, bkc.getZkHandle());
ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(2));
final ManagedCursor cursor = ledger.openCursor("c1");
cursorMock = cursor;
ledgerMock = ledger;
mlFactoryMock = factory;
doReturn(mlFactoryMock).when(pulsar).getManagedLedgerFactory();
ZooKeeper mockZk = createMockZooKeeper();
doReturn(mockZk).when(pulsar).getZkClient();
brokerService = spy(new BrokerService(pulsar));
doReturn(brokerService).when(pulsar).getBrokerService();
serverCnx = spy(new ServerCnx(brokerService));
doReturn(true).when(serverCnx).isActive();
NamespaceService nsSvc = mock(NamespaceService.class);
doReturn(nsSvc).when(pulsar).getNamespaceService();
doReturn(true).when(nsSvc).isServiceUnitOwned(any(NamespaceBundle.class));
doReturn(true).when(nsSvc).isServiceUnitActive(any(TopicName.class));
final List<Position> addedEntries = Lists.newArrayList();
for (int i = 0; i < 100; i++) {
Position pos = ledger.addEntry("entry".getBytes());
addedEntries.add(pos);
}
}
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