opendaylight/netconf/netconf-testtool/src/main/java/org/opendaylight/controller/netconf/test/tool/client/stress/SyncExecutionStrategy.java

   1 /*
   2  * Copyright (c) 2015 Cisco 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
   9 package org.opendaylight.controller.netconf.test.tool.client.stress;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.collect.Lists;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.List;
  15 import java.util.concurrent.ExecutionException;
  16 import java.util.concurrent.TimeUnit;
  17 import java.util.concurrent.TimeoutException;
  18 import java.util.concurrent.atomic.AtomicInteger;
  19 import org.opendaylight.controller.netconf.api.NetconfMessage;
  20 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  21 import org.opendaylight.controller.sal.connect.netconf.listener.NetconfDeviceCommunicator;
  22 import org.opendaylight.yangtools.yang.common.RpcResult;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 // TODO reuse code from org.opendaylight.controller.netconf.test.tool.client.stress.AsyncExecutionStrategy
  27 class SyncExecutionStrategy implements ExecutionStrategy {
  28     private static final Logger LOG = LoggerFactory.getLogger(SyncExecutionStrategy.class);
  29
  30     private final Parameters params;
  31     private final List<NetconfMessage> preparedMessages;
  32     private final NetconfDeviceCommunicator sessionListener;
  33     private final List<Integer> editBatches;
  34
  35     public SyncExecutionStrategy(final Parameters params, final List<NetconfMessage> preparedMessages, final NetconfDeviceCommunicator sessionListener) {
  36         this.params = params;
  37         this.preparedMessages = preparedMessages;
  38         this.sessionListener = sessionListener;
  39         editBatches = countEditBatchSizes(params);
  40     }
  41
  42     private static List<Integer> countEditBatchSizes(final Parameters params) {
  43         final List<Integer> editBatches = Lists.newArrayList();
  44         if (params.editBatchSize != params.editCount) {
  45             final int fullBatches = params.editCount / params.editBatchSize;
  46             for (int i = 0; i < fullBatches; i++) {
  47                 editBatches.add(params.editBatchSize);
  48             }
  49
  50             if (params.editCount % params.editBatchSize != 0) {
  51                 editBatches.add(params.editCount % params.editBatchSize);
  52             }
  53         } else {
  54             editBatches.add(params.editBatchSize);
  55         }
  56         return editBatches;
  57     }
  58
  59     public void invoke() {
  60         final AtomicInteger responseCounter = new AtomicInteger(0);
  61
  62         int batchI = 0;
  63         for (final Integer editBatch : editBatches) {
  64             for (int i = 0; i < editBatch; i++) {
  65                 final int msgId = i + (batchI * params.editBatchSize);
  66                 final NetconfMessage msg = preparedMessages.get(msgId);
  67                 LOG.debug("Sending message {}", msgId);
  68                 if(LOG.isDebugEnabled()) {
  69                     LOG.debug("Sending message {}", XmlUtil.toString(msg.getDocument()));
  70                 }
  71                 final ListenableFuture<RpcResult<NetconfMessage>> netconfMessageFuture =
  72                         sessionListener.sendRequest(msg, StressClient.EDIT_QNAME);
  73                 // Wait for response
  74                 waitForResponse(responseCounter, netconfMessageFuture);
  75
  76             }
  77             batchI++;
  78             LOG.info("Batch {} with size {} sent. Committing", batchI, editBatch);
  79
  80             // Commit batch sync
  81             waitForResponse(responseCounter,
  82                     sessionListener.sendRequest(StressClient.COMMIT_MSG, StressClient.COMMIT_QNAME));
  83         }
  84
  85         Preconditions.checkState(responseCounter.get() == params.editCount + editBatches.size(), "Not all responses were received, only %s from %s", responseCounter.get(), params.editCount + editBatches.size());
  86     }
  87
  88     private void waitForResponse(AtomicInteger responseCounter, final ListenableFuture<RpcResult<NetconfMessage>> netconfMessageFuture) {
  89         try {
  90             final RpcResult<NetconfMessage> netconfMessageRpcResult =
  91                     netconfMessageFuture.get(params.msgTimeout, TimeUnit.SECONDS);
  92             if (netconfMessageRpcResult.isSuccessful()) {
  93                 responseCounter.incrementAndGet();
  94                 LOG.debug("Received response {}", responseCounter.get());
  95             } else {
  96                 LOG.warn("Request failed {}", netconfMessageRpcResult);
  97             }
  98
  99         } catch (final InterruptedException e) {
 100             throw new RuntimeException(e);
 101         } catch (final ExecutionException | TimeoutException e) {
 102             throw new RuntimeException("Request not finished", e);
 103         }
 104     }
 105 }