+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.netconf.test.tool.client.stress;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicInteger;
+import org.opendaylight.controller.config.util.xml.XmlUtil;
+import org.opendaylight.controller.netconf.api.NetconfMessage;
+import org.opendaylight.controller.sal.connect.netconf.listener.NetconfDeviceCommunicator;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+class AsyncExecutionStrategy implements ExecutionStrategy {
+ private static final Logger LOG = LoggerFactory.getLogger(AsyncExecutionStrategy.class);
+
+ private final Parameters params;
+ private final List<NetconfMessage> preparedMessages;
+ private final NetconfDeviceCommunicator sessionListener;
+ private final List<Integer> editBatches;
+ private final int editAmount;
+
+ public AsyncExecutionStrategy(final Parameters params, final List<NetconfMessage> editConfigMsgs, final NetconfDeviceCommunicator sessionListener) {
+ this.params = params;
+ this.preparedMessages = editConfigMsgs;
+ this.sessionListener = sessionListener;
+ this.editBatches = countEditBatchSizes(params, editConfigMsgs.size());
+ editAmount = editConfigMsgs.size();
+ }
+
+ private static List<Integer> countEditBatchSizes(final Parameters params, final int amount) {
+ final List<Integer> editBatches = Lists.newArrayList();
+ if (params.editBatchSize != amount) {
+ final int fullBatches = amount / params.editBatchSize;
+ for (int i = 0; i < fullBatches; i++) {
+ editBatches.add(params.editBatchSize);
+ }
+
+ if (amount % params.editBatchSize != 0) {
+ editBatches.add(amount % params.editBatchSize);
+ }
+ } else {
+ editBatches.add(params.editBatchSize);
+ }
+ return editBatches;
+ }
+
+ @Override
+ public void invoke() {
+ final AtomicInteger responseCounter = new AtomicInteger(0);
+ final List<ListenableFuture<RpcResult<NetconfMessage>>> futures = Lists.newArrayList();
+
+ int batchI = 0;
+ for (final Integer editBatch : editBatches) {
+ for (int i = 0; i < editBatch; i++) {
+ final int msgId = i + (batchI * params.editBatchSize);
+ final NetconfMessage msg = preparedMessages.get(msgId);
+ LOG.debug("Sending message {}", msgId);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Sending message {}", XmlUtil.toString(msg.getDocument()));
+ }
+ final ListenableFuture<RpcResult<NetconfMessage>> netconfMessageFuture =
+ sessionListener.sendRequest(msg, StressClient.EDIT_QNAME);
+ futures.add(netconfMessageFuture);
+ }
+ batchI++;
+ LOG.info("Batch {} with size {} sent. Committing", batchI, editBatch);
+ futures.add(sessionListener.sendRequest(StressClient.COMMIT_MSG, StressClient.COMMIT_QNAME));
+ }
+
+ LOG.info("All batches sent. Waiting for responses");
+ // Wait for every future
+ for (final ListenableFuture<RpcResult<NetconfMessage>> future : futures) {
+ try {
+ final RpcResult<NetconfMessage> netconfMessageRpcResult = future.get(params.msgTimeout, TimeUnit.SECONDS);
+ if(netconfMessageRpcResult.isSuccessful()) {
+ responseCounter.incrementAndGet();
+ LOG.debug("Received response {}", responseCounter.get());
+ } else {
+ LOG.warn("Request failed {}", netconfMessageRpcResult);
+ }
+ } catch (final InterruptedException e) {
+ throw new RuntimeException(e);
+ } catch (final ExecutionException | TimeoutException e) {
+ throw new RuntimeException("Request not finished", e);
+ }
+ }
+
+ Preconditions.checkState(responseCounter.get() == editAmount + editBatches.size(), "Not all responses were received, only %s from %s", responseCounter.get(), params.editCount + editBatches.size());
+ }
+}