package org.opendaylight.controller.clustering.it.provider;
import com.google.common.base.Stopwatch;
+import com.google.common.collect.Sets;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
+import java.util.Collection;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicReference;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
+import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipChange;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeCommitCohortRegistry;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistration;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.Cars;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.RegisterOwnershipInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StopStressTestOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StopStressTestOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StressTestInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.UnregisterOwnershipInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.cars.CarEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.cars.CarEntryBuilder;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CarProvider implements CarService {
private static final Logger log = LoggerFactory.getLogger(PurchaseCarProvider.class);
+ private static final Logger LOG = LoggerFactory.getLogger(CarProvider.class);
+
+ private static final String ENTITY_TYPE = "cars";
+ private static final InstanceIdentifier CARS_IID = InstanceIdentifier.builder(Cars.class).build();
+ private static final DataTreeIdentifier<Cars> CARS_DTID = new DataTreeIdentifier<>(
+ LogicalDatastoreType.CONFIGURATION, CARS_IID);
+
private final DataBroker dataProvider;
+ private final DOMDataBroker domDataBroker;
+ private final EntityOwnershipService ownershipService;
+ private final AtomicLong succcessCounter = new AtomicLong();
+ private final AtomicLong failureCounter = new AtomicLong();
+
+ private final CarEntityOwnershipListener ownershipListener = new CarEntityOwnershipListener();
+ private final AtomicBoolean registeredListener = new AtomicBoolean();
+
+ private final Collection<ListenerRegistration<DataChangeListener>> carsDclRegistrations =
+ Sets.newConcurrentHashSet();
+ private final Collection<ListenerRegistration<CarDataTreeChangeListener>> carsDtclRegistrations =
+ Sets.newConcurrentHashSet();
private volatile Thread testThread;
private volatile boolean stopThread;
+ private final AtomicReference<DOMDataTreeCommitCohortRegistration<CarEntryDataTreeCommitCohort>> commitCohortReg =
+ new AtomicReference<>();
- public CarProvider(DataBroker dataProvider) {
+ public CarProvider(DataBroker dataProvider, EntityOwnershipService ownershipService,
+ DOMDataBroker domDataBroker) {
this.dataProvider = dataProvider;
+ this.ownershipService = ownershipService;
+ this.domDataBroker = domDataBroker;
+ }
+
+ public void close() {
+ stopThread();
+ unregisterCommitCohort();
}
private void stopThread() {
@Override
public Future<RpcResult<Void>> stressTest(StressTestInput input) {
- log.info("stressTest starting : rate: {}", input.getRate());
+ final int inputRate;
+ final long inputCount;
+
+ // If rate is not provided, or given as zero, then just return.
+ if (input.getRate() == null || input.getRate() == 0) {
+ log.info("Exiting stress test as no rate is given.");
+ return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
+ .withError(ErrorType.PROTOCOL, "invalid rate")
+ .build());
+ } else {
+ inputRate = input.getRate();
+ }
+
+ if (input.getCount() != null) {
+ inputCount = input.getCount();
+ } else {
+ inputCount = 0;
+ }
+
+ log.info("Stress test starting : rate: {} count: {}", inputRate, inputCount);
stopThread();
+ // clear counters
+ succcessCounter.set(0);
+ failureCounter.set(0);
WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
InstanceIdentifier<Cars> carsId = InstanceIdentifier.<Cars>builder(Cars.class).build();
}
stopThread = false;
- final long sleep = TimeUnit.NANOSECONDS.convert(1000,TimeUnit.MILLISECONDS) / input.getRate();
+ final long sleep = TimeUnit.NANOSECONDS.convert(1000,TimeUnit.MILLISECONDS) / inputRate;
final Stopwatch sw = Stopwatch.createUnstarted();
testThread = new Thread() {
@Override
tx.put(LogicalDatastoreType.CONFIGURATION,
InstanceIdentifier.<Cars>builder(Cars.class).child(CarEntry.class, car.getKey()).build(),
car);
- tx.submit();
+ CheckedFuture<Void, TransactionCommitFailedException> future = tx.submit();
+ Futures.addCallback(future, new FutureCallback<Void>() {
+
+ @Override
+ public void onSuccess(final Void result) {
+ // Transaction succeeded
+ succcessCounter.getAndIncrement();
+ }
+
+ @Override
+ public void onFailure(final Throwable t) {
+ // Transaction failed
+ failureCounter.getAndIncrement();
+ LOG.error("Put Cars failed", t);
+ }
+ });
try {
TimeUnit.NANOSECONDS.sleep(sleep);
} catch (InterruptedException e) {
break;
}
- if((count.get() % 1000) == 0) {
+ if(count.get() % 1000 == 0) {
log.info("Cars created {}, time: {}",count.get(),sw.elapsed(TimeUnit.SECONDS));
}
+
+ // Check if a count is specified in input and we have created that many cars.
+ if (inputCount != 0 && count.get() >= inputCount) {
+ stopThread = true;
+ }
}
- log.info("Stress test thread stopping");
+ log.info("Stress test thread stopping after creating {} cars.", count.get());
}
};
testThread.start();
}
@Override
- public Future<RpcResult<Void>> stopStressTest() {
+ public Future<RpcResult<StopStressTestOutput>> stopStressTest() {
stopThread();
- return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
+ StopStressTestOutputBuilder stopStressTestOutput;
+ stopStressTestOutput = new StopStressTestOutputBuilder()
+ .setSuccessCount(succcessCounter.longValue())
+ .setFailureCount(failureCounter.longValue());
+
+ StopStressTestOutput result = stopStressTestOutput.build();
+ log.info("Executed Stop Stress test; No. of cars created {}; " +
+ "No. of cars failed {}; ", succcessCounter, failureCounter);
+ // clear counters
+ succcessCounter.set(0);
+ failureCounter.set(0);
+ return Futures.immediateFuture(RpcResultBuilder.<StopStressTestOutput>success(result).build());
}
+
+ @Override
+ public Future<RpcResult<Void>> registerOwnership(RegisterOwnershipInput input) {
+ if(registeredListener.compareAndSet(false, true)) {
+ ownershipService.registerListener(ENTITY_TYPE, ownershipListener);
+ }
+
+ Entity entity = new Entity(ENTITY_TYPE, input.getCarId());
+ try {
+ ownershipService.registerCandidate(entity);
+ } catch (CandidateAlreadyRegisteredException e) {
+ return RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION,
+ "Could not register for car " + input.getCarId(), e).buildFuture();
+ }
+
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+
+ @Override
+ public Future<RpcResult<Void>> unregisterOwnership(UnregisterOwnershipInput input) {
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+
+ private static class CarEntityOwnershipListener implements EntityOwnershipListener {
+ @Override
+ public void ownershipChanged(EntityOwnershipChange ownershipChange) {
+ LOG.info("ownershipChanged: {}", ownershipChange);
+ }
+ }
+
+ @Override
+ public Future<RpcResult<java.lang.Void>> registerLoggingDcl() {
+ LOG.info("Registering a new CarDataChangeListener");
+ final ListenerRegistration carsDclRegistration = dataProvider.registerDataChangeListener(
+ LogicalDatastoreType.CONFIGURATION, CARS_IID, new CarDataChangeListener(),
+ AsyncDataBroker.DataChangeScope.SUBTREE);
+
+ if (carsDclRegistration != null) {
+ carsDclRegistrations.add(carsDclRegistration);
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+ return RpcResultBuilder.<Void>failed().buildFuture();
+ }
+
+ @Override
+ public Future<RpcResult<java.lang.Void>> registerLoggingDtcl() {
+ LOG.info("Registering a new CarDataTreeChangeListener");
+ final ListenerRegistration<CarDataTreeChangeListener> carsDtclRegistration =
+ dataProvider.registerDataTreeChangeListener(CARS_DTID, new CarDataTreeChangeListener());
+
+ if (carsDtclRegistration != null) {
+ carsDtclRegistrations.add(carsDtclRegistration);
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+ return RpcResultBuilder.<Void>failed().buildFuture();
+ }
+
+ @Override
+ public Future<RpcResult<java.lang.Void>> unregisterLoggingDcls() {
+ LOG.info("Unregistering the CarDataChangeListener(s)");
+ synchronized (carsDclRegistrations) {
+ int numListeners = 0;
+ for (ListenerRegistration<DataChangeListener> carsDclRegistration : carsDclRegistrations) {
+ carsDclRegistration.close();
+ numListeners++;
+ }
+ carsDclRegistrations.clear();
+ LOG.info("Unregistered {} CarDataChangeListener(s)", numListeners);
+ }
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+
+ @Override
+ public Future<RpcResult<java.lang.Void>> unregisterLoggingDtcls() {
+ LOG.info("Unregistering the CarDataTreeChangeListener(s)");
+ synchronized (carsDtclRegistrations) {
+ int numListeners = 0;
+ for (ListenerRegistration<CarDataTreeChangeListener> carsDtclRegistration : carsDtclRegistrations) {
+ carsDtclRegistration.close();
+ numListeners++;
+ }
+ carsDtclRegistrations.clear();
+ LOG.info("Unregistered {} CaraDataTreeChangeListener(s)", numListeners);
+ }
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+
+ @Override
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ public Future<RpcResult<Void>> unregisterCommitCohort() {
+ final DOMDataTreeCommitCohortRegistration<CarEntryDataTreeCommitCohort> reg = commitCohortReg.getAndSet(null);
+ if (reg != null) {
+ try {
+ reg.close();
+ LOG.info("Unregistered commit cohort");
+ } catch (Exception e) {
+ return RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION,
+ "Error closing commit cohort registration", e).buildFuture();
+ }
+ }
+
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+
+ @Override
+ public synchronized Future<RpcResult<Void>> registerCommitCohort() {
+ if (commitCohortReg.get() != null) {
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
+
+ final DOMDataTreeCommitCohortRegistry commitCohortRegistry = (DOMDataTreeCommitCohortRegistry)
+ domDataBroker.getSupportedExtensions().get(DOMDataTreeCommitCohortRegistry.class);
+
+ if (commitCohortRegistry == null) {
+ // Shouldn't happen
+ return RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION,
+ "DOMDataTreeCommitCohortRegistry not found").buildFuture();
+ }
+
+ // Note: it may look strange that we specify the CarEntry.QNAME twice in the path below. This must be done in
+ // order to register the commit cohort for CarEntry instances. In the underlying data tree, a yang list is
+ // represented as a MapNode with MapEntryNodes representing the child list entries. Therefore, in order to
+ // address a list entry, you must specify the path argument for the MapNode and the path argument for the
+ // MapEntryNode. In the path below, the first CarEntry.QNAME argument addresses the MapNode and, since we want
+ // to address all list entries, the second path argument is wild-carded by specifying just the CarEntry.QNAME.
+ final YangInstanceIdentifier carEntryPath = YangInstanceIdentifier.builder(
+ YangInstanceIdentifier.of(Cars.QNAME)).node(CarEntry.QNAME).node(CarEntry.QNAME).build();
+ commitCohortReg.set(commitCohortRegistry.registerCommitCohort(
+ new org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier(
+ org.opendaylight.mdsal.common.api.LogicalDatastoreType.CONFIGURATION,
+ carEntryPath), new CarEntryDataTreeCommitCohort()));
+
+ LOG.info("Registered commit cohort");
+
+ return RpcResultBuilder.<Void>success().buildFuture();
+ }
}