opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/CarProvider.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.clustering.it.provider;
   9
  10 import com.google.common.base.Stopwatch;
  11 import com.google.common.collect.Sets;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import com.google.common.util.concurrent.Futures;
  15 import java.util.Collection;
  16 import java.util.concurrent.Future;
  17 import java.util.concurrent.TimeUnit;
  18 import java.util.concurrent.TimeoutException;
  19 import java.util.concurrent.atomic.AtomicBoolean;
  20 import java.util.concurrent.atomic.AtomicLong;
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  23 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  24 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  25 import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
  26 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  27 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipChange;
  28 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
  29 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  30 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  31 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  32 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarId;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarService;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.Cars;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarsBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.RegisterOwnershipInput;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StopStressTestOutput;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StopStressTestOutputBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StressTestInput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.UnregisterOwnershipInput;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.cars.CarEntry;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.cars.CarEntryBuilder;
  44 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  46 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  47 import org.opendaylight.yangtools.yang.common.RpcResult;
  48 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  49 import org.slf4j.Logger;
  50 import org.slf4j.LoggerFactory;
  51
  52 /**
  53  * @author Thomas Pantelis
  54  */
  55 public class CarProvider implements CarService {
  56     private static final Logger log = LoggerFactory.getLogger(PurchaseCarProvider.class);
  57
  58     private final DataBroker dataProvider;
  59     private final EntityOwnershipService ownershipService;
  60     private static final Logger LOG = LoggerFactory.getLogger(CarProvider.class);
  61
  62     private static final String ENTITY_TYPE = "cars";
  63
  64     private AtomicLong succcessCounter = new AtomicLong();
  65     private AtomicLong failureCounter = new AtomicLong();
  66
  67     private final CarEntityOwnershipListener ownershipListener = new CarEntityOwnershipListener();
  68     private final AtomicBoolean registeredListener = new AtomicBoolean();
  69
  70     private volatile Thread testThread;
  71     private volatile boolean stopThread;
  72
  73     private static final InstanceIdentifier CARS_IID = InstanceIdentifier.builder(Cars.class).build();
  74     private static final DataTreeIdentifier<Cars> CARS_DTID = new DataTreeIdentifier<>(
  75             LogicalDatastoreType.CONFIGURATION, CARS_IID);
  76
  77     private Collection<ListenerRegistration<DataChangeListener>> carsDclRegistrations =
  78             Sets.newConcurrentHashSet();
  79     private Collection<ListenerRegistration<CarDataTreeChangeListener>> carsDtclRegistrations =
  80             Sets.newConcurrentHashSet();
  81
  82     public CarProvider(DataBroker dataProvider, EntityOwnershipService ownershipService) {
  83         this.dataProvider = dataProvider;
  84         this.ownershipService = ownershipService;
  85     }
  86
  87     private void stopThread() {
  88         if(testThread != null) {
  89             stopThread = true;
  90             testThread.interrupt();
  91             try {
  92                 testThread.join();
  93             } catch (InterruptedException e) {}
  94             testThread = null;
  95         }
  96     }
  97
  98     @Override
  99     public Future<RpcResult<Void>> stressTest(StressTestInput input) {
 100         final int inputRate;
 101         final long inputCount;
 102
 103         // If rate is not provided, or given as zero, then just return.
 104         if ((input.getRate() == null) || (input.getRate() == 0)) {
 105             log.info("Exiting stress test as no rate is given.");
 106             return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
 107                     .withError(ErrorType.PROTOCOL, "invalid rate")
 108                     .build());
 109         } else {
 110             inputRate = input.getRate();
 111         }
 112
 113         if (input.getCount() != null) {
 114             inputCount = input.getCount();
 115         } else {
 116             inputCount = 0;
 117         }
 118
 119         log.info("Stress test starting : rate: {} count: {}", inputRate, inputCount);
 120
 121         stopThread();
 122         // clear counters
 123         succcessCounter.set(0);
 124         failureCounter.set(0);
 125
 126         WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
 127         InstanceIdentifier<Cars> carsId = InstanceIdentifier.<Cars>builder(Cars.class).build();
 128         tx.merge(LogicalDatastoreType.CONFIGURATION, carsId, new CarsBuilder().build());
 129         try {
 130             tx.submit().checkedGet(5, TimeUnit.SECONDS);
 131         } catch (TransactionCommitFailedException | TimeoutException e) {
 132             log.error("Put Cars failed",e);
 133             return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
 134         }
 135
 136         stopThread = false;
 137         final long sleep = TimeUnit.NANOSECONDS.convert(1000,TimeUnit.MILLISECONDS) / inputRate;
 138         final Stopwatch sw = Stopwatch.createUnstarted();
 139         testThread = new Thread() {
 140             @Override
 141             public void run() {
 142                 sw.start();
 143                 AtomicLong count = new AtomicLong();
 144                 while(!stopThread) {
 145                     long id = count.incrementAndGet();
 146                     WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
 147                     CarEntry car = new CarEntryBuilder().setId(new CarId("car"+id)).build();
 148                     tx.put(LogicalDatastoreType.CONFIGURATION,
 149                             InstanceIdentifier.<Cars>builder(Cars.class).child(CarEntry.class, car.getKey()).build(),
 150                             car);
 151                     CheckedFuture<Void, TransactionCommitFailedException> future =  tx.submit();
 152                     Futures.addCallback(future, new FutureCallback<Void>() {
 153
 154                         @Override
 155                         public void onSuccess(final Void result) {
 156                             // Transaction succeeded
 157                             succcessCounter.getAndIncrement();
 158                         }
 159
 160                         @Override
 161                         public void onFailure(final Throwable t) {
 162                             // Transaction failed
 163                             failureCounter.getAndIncrement();
 164                             LOG.error("Put Cars failed", t);
 165                         }
 166                     });
 167                     try {
 168                         TimeUnit.NANOSECONDS.sleep(sleep);
 169                     } catch (InterruptedException e) {
 170                         break;
 171                     }
 172
 173                     if((count.get() % 1000) == 0) {
 174                         log.info("Cars created {}, time: {}",count.get(),sw.elapsed(TimeUnit.SECONDS));
 175                     }
 176
 177                     // Check if a count is specified in input and we have created that many cars.
 178                     if ((inputCount != 0) && (count.get() >= inputCount)) {
 179                         stopThread = true;
 180                     }
 181                 }
 182
 183                 log.info("Stress test thread stopping after creating {} cars.", count.get());
 184             }
 185         };
 186         testThread.start();
 187
 188         return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
 189     }
 190
 191     @Override
 192     public Future<RpcResult<StopStressTestOutput>> stopStressTest() {
 193         stopThread();
 194         StopStressTestOutputBuilder stopStressTestOutput;
 195         stopStressTestOutput = new StopStressTestOutputBuilder()
 196                 .setSuccessCount(succcessCounter.longValue())
 197                 .setFailureCount(failureCounter.longValue());
 198
 199         StopStressTestOutput result = stopStressTestOutput.build();
 200         log.info("Executed Stop Stress test; No. of cars created {}; " +
 201                 "No. of cars failed {}; ", succcessCounter, failureCounter);
 202         // clear counters
 203         succcessCounter.set(0);
 204         failureCounter.set(0);
 205         return Futures.immediateFuture(RpcResultBuilder.<StopStressTestOutput>success(result).build());
 206     }
 207
 208
 209     @Override
 210     public Future<RpcResult<Void>> registerOwnership(RegisterOwnershipInput input) {
 211         if(registeredListener.compareAndSet(false, true)) {
 212             ownershipService.registerListener(ENTITY_TYPE, ownershipListener);
 213         }
 214
 215         Entity entity = new Entity(ENTITY_TYPE, input.getCarId());
 216         try {
 217             ownershipService.registerCandidate(entity);
 218         } catch (CandidateAlreadyRegisteredException e) {
 219             return RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION,
 220                     "Could not register for car " + input.getCarId(), e).buildFuture();
 221         }
 222
 223         return RpcResultBuilder.<Void>success().buildFuture();
 224     }
 225
 226     @Override
 227     public Future<RpcResult<Void>> unregisterOwnership(UnregisterOwnershipInput input) {
 228         return RpcResultBuilder.<Void>success().buildFuture();
 229     }
 230
 231     private static class CarEntityOwnershipListener implements EntityOwnershipListener {
 232         @Override
 233         public void ownershipChanged(EntityOwnershipChange ownershipChange) {
 234             LOG.info("ownershipChanged: {}", ownershipChange);
 235         }
 236     }
 237
 238     @Override
 239     public Future<RpcResult<java.lang.Void>> registerLoggingDcl() {
 240         LOG.info("Registering a new CarDataChangeListener");
 241         final ListenerRegistration carsDclRegistration = dataProvider.registerDataChangeListener(
 242                 LogicalDatastoreType.CONFIGURATION, CARS_IID, new CarDataChangeListener(),
 243                 AsyncDataBroker.DataChangeScope.SUBTREE);
 244
 245         if (carsDclRegistration != null) {
 246             carsDclRegistrations.add(carsDclRegistration);
 247             return RpcResultBuilder.<Void>success().buildFuture();
 248         }
 249         return RpcResultBuilder.<Void>failed().buildFuture();
 250     }
 251
 252     @Override
 253     public Future<RpcResult<java.lang.Void>> registerLoggingDtcl() {
 254         LOG.info("Registering a new CarDataTreeChangeListener");
 255         final ListenerRegistration<CarDataTreeChangeListener> carsDtclRegistration =
 256                 dataProvider.registerDataTreeChangeListener(CARS_DTID, new CarDataTreeChangeListener());
 257
 258         if (carsDtclRegistration != null) {
 259             carsDtclRegistrations.add(carsDtclRegistration);
 260             return RpcResultBuilder.<Void>success().buildFuture();
 261         }
 262         return RpcResultBuilder.<Void>failed().buildFuture();
 263     }
 264
 265     @Override
 266     public Future<RpcResult<java.lang.Void>> unregisterLoggingDcls() {
 267         LOG.info("Unregistering the CarDataChangeListener(s)");
 268         synchronized (carsDclRegistrations) {
 269             int numListeners = 0;
 270             for (ListenerRegistration<DataChangeListener> carsDclRegistration : carsDclRegistrations) {
 271                 carsDclRegistration.close();
 272                 numListeners++;
 273             }
 274             carsDclRegistrations.clear();
 275             LOG.info("Unregistered {} CarDataChangeListener(s)", numListeners);
 276         }
 277         return RpcResultBuilder.<Void>success().buildFuture();
 278     }
 279
 280     @Override
 281     public Future<RpcResult<java.lang.Void>> unregisterLoggingDtcls() {
 282         LOG.info("Unregistering the CarDataTreeChangeListener(s)");
 283         synchronized (carsDtclRegistrations) {
 284             int numListeners = 0;
 285             for (ListenerRegistration<CarDataTreeChangeListener> carsDtclRegistration : carsDtclRegistrations) {
 286                 carsDtclRegistration.close();
 287                 numListeners++;
 288             }
 289             carsDtclRegistrations.clear();
 290             LOG.info("Unregistered {} CaraDataTreeChangeListener(s)", numListeners);
 291         }
 292         return RpcResultBuilder.<Void>success().buildFuture();
 293     }
 294 }