opendaylight/netconf/netconf-testtool/src/main/java/org/opendaylight/controller/netconf/test/tool/client/stress/AsyncExecutionStrategy.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 class AsyncExecutionStrategy implements ExecutionStrategy {
  27     private static final Logger LOG = LoggerFactory.getLogger(AsyncExecutionStrategy.class);
  28
  29     private final Parameters params;
  30     private final List<NetconfMessage> preparedMessages;
  31     private final NetconfDeviceCommunicator sessionListener;
  32     private final List<Integer> editBatches;
  33     private final int editAmount;
  34
  35     public AsyncExecutionStrategy(final Parameters params, final List<NetconfMessage> editConfigMsgs, final NetconfDeviceCommunicator sessionListener) {
  36         this.params = params;
  37         this.preparedMessages = editConfigMsgs;
  38         this.sessionListener = sessionListener;
  39         this.editBatches = countEditBatchSizes(params, editConfigMsgs.size());
  40         editAmount = editConfigMsgs.size();
  41     }
  42
  43     private static List<Integer> countEditBatchSizes(final Parameters params, final int amount) {
  44         final List<Integer> editBatches = Lists.newArrayList();
  45         if (params.editBatchSize != amount) {
  46             final int fullBatches = amount / params.editBatchSize;
  47             for (int i = 0; i < fullBatches; i++) {
  48                 editBatches.add(params.editBatchSize);
  49             }
  50
  51             if (amount % params.editBatchSize != 0) {
  52                 editBatches.add(amount % params.editBatchSize);
  53             }
  54         } else {
  55             editBatches.add(params.editBatchSize);
  56         }
  57         return editBatches;
  58     }
  59
  60     @Override
  61     public void invoke() {
  62         final AtomicInteger responseCounter = new AtomicInteger(0);
  63         final List<ListenableFuture<RpcResult<NetconfMessage>>> futures = Lists.newArrayList();
  64
  65         int batchI = 0;
  66         for (final Integer editBatch : editBatches) {
  67             for (int i = 0; i < editBatch; i++) {
  68                 final int msgId = i + (batchI * params.editBatchSize);
  69                 final NetconfMessage msg = preparedMessages.get(msgId);
  70                 LOG.debug("Sending message {}", msgId);
  71                 if(LOG.isDebugEnabled()) {
  72                     LOG.debug("Sending message {}", XmlUtil.toString(msg.getDocument()));
  73                 }
  74                 final ListenableFuture<RpcResult<NetconfMessage>> netconfMessageFuture =
  75                         sessionListener.sendRequest(msg, StressClient.EDIT_QNAME);
  76                 futures.add(netconfMessageFuture);
  77             }
  78             batchI++;
  79             LOG.info("Batch {} with size {} sent. Committing", batchI, editBatch);
  80             futures.add(sessionListener.sendRequest(StressClient.COMMIT_MSG, StressClient.COMMIT_QNAME));
  81         }
  82
  83         LOG.info("All batches sent. Waiting for responses");
  84         // Wait for every future
  85         for (final ListenableFuture<RpcResult<NetconfMessage>> future : futures) {
  86             try {
  87                 final RpcResult<NetconfMessage> netconfMessageRpcResult = future.get(params.msgTimeout, TimeUnit.SECONDS);
  88                 if(netconfMessageRpcResult.isSuccessful()) {
  89                     responseCounter.incrementAndGet();
  90                     LOG.debug("Received response {}", responseCounter.get());
  91                 } else {
  92                     LOG.warn("Request failed {}", netconfMessageRpcResult);
  93                 }
  94             } catch (final InterruptedException e) {
  95                 throw new RuntimeException(e);
  96             } catch (final ExecutionException | TimeoutException e) {
  97                 throw new RuntimeException("Request not finished", e);
  98             }
  99         }
 100
 101         Preconditions.checkState(responseCounter.get() == editAmount + editBatches.size(), "Not all responses were received, only %s from %s", responseCounter.get(), params.editCount + editBatches.size());
 102     }
 103 }