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.util.concurrent.Futures;
  12
  13 import java.util.concurrent.Future;
  14 import java.util.concurrent.TimeUnit;
  15 import java.util.concurrent.TimeoutException;
  16 import java.util.concurrent.atomic.AtomicLong;
  17
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  21 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarService;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.Cars;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.CarsBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.StressTestInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.cars.CarEntry;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.sal.clustering.it.car.rev140818.cars.CarEntryBuilder;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  31 import org.opendaylight.yangtools.yang.common.RpcResult;
  32 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * @author Thomas Pantelis
  38  */
  39 public class CarProvider implements CarService {
  40     private static final Logger log = LoggerFactory.getLogger(PurchaseCarProvider.class);
  41
  42     private final DataBroker dataProvider;
  43
  44     private volatile Thread testThread;
  45     private volatile boolean stopThread;
  46
  47     public CarProvider(DataBroker dataProvider) {
  48         this.dataProvider = dataProvider;
  49     }
  50
  51     private void stopThread() {
  52         if(testThread != null) {
  53             stopThread = true;
  54             testThread.interrupt();
  55             try {
  56                 testThread.join();
  57             } catch (InterruptedException e) {}
  58             testThread = null;
  59         }
  60     }
  61
  62     @Override
  63     public Future<RpcResult<Void>> stressTest(StressTestInput input) {
  64         final int inputRate, inputCount;
  65
  66         // If rate is not provided, or given as zero, then just return.
  67         if ((input.getRate() == null) || (input.getRate() == 0)) {
  68             log.info("Exiting stress test as no rate is given.");
  69             return Futures.immediateFuture(RpcResultBuilder.<Void>failed()
  70                                            .withError(ErrorType.PROTOCOL, "invalid rate")
  71                                            .build());
  72         } else {
  73             inputRate = input.getRate();
  74         }
  75
  76         if (input.getCount() != null) {
  77             inputCount = input.getCount();
  78         } else {
  79             inputCount = 0;
  80         }
  81
  82         log.info("Stress test starting : rate: {} count: {}", inputRate, inputCount);
  83
  84         stopThread();
  85
  86         WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
  87         InstanceIdentifier<Cars> carsId = InstanceIdentifier.<Cars>builder(Cars.class).build();
  88         tx.merge(LogicalDatastoreType.CONFIGURATION, carsId, new CarsBuilder().build());
  89         try {
  90             tx.submit().checkedGet(5, TimeUnit.SECONDS);
  91         } catch (TransactionCommitFailedException | TimeoutException e) {
  92             log.error("Put Cars failed",e);
  93             return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
  94         }
  95
  96         stopThread = false;
  97         final long sleep = TimeUnit.NANOSECONDS.convert(1000,TimeUnit.MILLISECONDS) / inputRate;
  98         final Stopwatch sw = Stopwatch.createUnstarted();
  99         testThread = new Thread() {
 100             @Override
 101             public void run() {
 102                 sw.start();
 103                 AtomicLong count = new AtomicLong();
 104                 while(!stopThread) {
 105                     long id = count.incrementAndGet();
 106                     WriteTransaction tx = dataProvider.newWriteOnlyTransaction();
 107                     CarEntry car = new CarEntryBuilder().setId(new CarId("car"+id)).build();
 108                     tx.put(LogicalDatastoreType.CONFIGURATION,
 109                             InstanceIdentifier.<Cars>builder(Cars.class).child(CarEntry.class, car.getKey()).build(),
 110                             car);
 111                     tx.submit();
 112                     try {
 113                         TimeUnit.NANOSECONDS.sleep(sleep);
 114                     } catch (InterruptedException e) {
 115                         break;
 116                     }
 117
 118                     if((count.get() % 1000) == 0) {
 119                         log.info("Cars created {}, time: {}",count.get(),sw.elapsed(TimeUnit.SECONDS));
 120                     }
 121
 122                     // Check if a count is specified in input and we have created that many cars.
 123                     if ((inputCount != 0) && (count.get() >= inputCount)) {
 124                         stopThread = true;
 125                     }
 126                 }
 127
 128                 log.info("Stress test thread stopping after creating {} cars.", count.get());
 129             }
 130         };
 131         testThread.start();
 132
 133         return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
 134     }
 135
 136     @Override
 137     public Future<RpcResult<Void>> stopStressTest() {
 138         stopThread();
 139         return Futures.immediateFuture(RpcResultBuilder.<Void>success().build());
 140     }
 141
 142 }