2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.netconf.test.tool.client.stress;
11 import ch.qos.logback.classic.Level;
12 import com.google.common.base.Stopwatch;
13 import com.google.common.io.Files;
14 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
15 import io.netty.channel.nio.NioEventLoopGroup;
16 import io.netty.util.HashedWheelTimer;
17 import io.netty.util.Timer;
18 import java.io.IOException;
19 import java.nio.charset.StandardCharsets;
20 import java.util.ArrayList;
21 import java.util.List;
22 import java.util.concurrent.ExecutionException;
23 import java.util.concurrent.ExecutorService;
24 import java.util.concurrent.Executors;
25 import java.util.concurrent.Future;
26 import java.util.concurrent.TimeUnit;
27 import java.util.concurrent.TimeoutException;
28 import net.sourceforge.argparse4j.inf.ArgumentParser;
29 import net.sourceforge.argparse4j.inf.ArgumentParserException;
30 import org.opendaylight.netconf.api.NetconfMessage;
31 import org.opendaylight.netconf.api.xml.XmlUtil;
32 import org.opendaylight.netconf.client.NetconfClientDispatcherImpl;
33 import org.opendaylight.netconf.nettyutil.handler.ssh.client.AsyncSshHandler;
34 import org.opendaylight.netconf.sal.connect.api.RemoteDevice;
35 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCommunicator;
36 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
37 import org.opendaylight.netconf.test.tool.TestToolUtils;
38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.CommitInput;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.EditConfigInput;
40 import org.opendaylight.yangtools.yang.common.QName;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43 import org.w3c.dom.Document;
44 import org.w3c.dom.Element;
45 import org.w3c.dom.Node;
46 import org.xml.sax.SAXException;
48 @SuppressFBWarnings("DM_EXIT")
49 public final class StressClient {
51 private static final Logger LOG = LoggerFactory.getLogger(StressClient.class);
53 static final QName COMMIT_QNAME = QName.create(CommitInput.QNAME, "commit");
54 public static final NetconfMessage COMMIT_MSG;
58 COMMIT_MSG = new NetconfMessage(XmlUtil.readXmlToDocument(
59 "<rpc message-id=\"commit-batch\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n"
62 } catch (final SAXException | IOException e) {
63 throw new ExceptionInInitializerError(e);
67 static final QName EDIT_QNAME = QName.create(EditConfigInput.QNAME, "edit-config");
68 static final org.w3c.dom.Document EDIT_CANDIDATE_BLUEPRINT;
69 static final org.w3c.dom.Document EDIT_RUNNING_BLUEPRINT;
73 EDIT_CANDIDATE_BLUEPRINT = XmlUtil.readXmlToDocument(
74 "<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n"
75 + " <edit-config xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n"
79 + " <default-operation>none</default-operation>"
84 EDIT_RUNNING_BLUEPRINT = XmlUtil.readXmlToDocument(
85 "<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n"
86 + " <edit-config xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n"
90 + " <default-operation>none</default-operation>"
94 } catch (SAXException | IOException e) {
95 throw new ExceptionInInitializerError(e);
99 private static final String MSG_ID_PLACEHOLDER_REGEX = "\\{MSG_ID\\}";
100 private static final String PHYS_ADDR_PLACEHOLDER = "{PHYS_ADDR}";
102 private static long macStart = 0xAABBCCDD0000L;
104 private static Parameters params;
106 private StressClient() {
110 public static void main(final String[] args) {
112 params = parseArgs(args, Parameters.getParser());
115 final ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory
116 .getLogger(Logger.ROOT_LOGGER_NAME);
117 root.setLevel(params.debug ? Level.DEBUG : Level.INFO);
119 final int threadAmount = params.threadAmount;
120 LOG.info("thread amount: {}", threadAmount);
121 final int requestsPerThread = params.editCount / params.threadAmount;
122 LOG.info("requestsPerThread: {}", requestsPerThread);
123 final int leftoverRequests = params.editCount % params.threadAmount;
124 LOG.info("leftoverRequests: {}", leftoverRequests);
126 LOG.info("Preparing messages");
127 // Prepare all msgs up front
128 final List<List<NetconfMessage>> allPreparedMessages = new ArrayList<>(threadAmount);
129 for (int i = 0; i < threadAmount; i++) {
130 if (i != threadAmount - 1) {
131 allPreparedMessages.add(new ArrayList<NetconfMessage>(requestsPerThread));
133 allPreparedMessages.add(new ArrayList<NetconfMessage>(requestsPerThread + leftoverRequests));
138 final String editContentString;
140 editContentString = Files.asCharSource(params.editContent, StandardCharsets.UTF_8).read();
141 } catch (final IOException e) {
142 throw new IllegalArgumentException("Cannot read content of " + params.editContent, e);
145 for (int i = 0; i < threadAmount; i++) {
146 final List<NetconfMessage> preparedMessages = allPreparedMessages.get(i);
148 if (i == threadAmount - 1) {
149 padding = leftoverRequests;
151 for (int j = 0; j < requestsPerThread + padding; j++) {
152 LOG.debug("id: {}", i * requestsPerThread + j);
153 preparedMessages.add(prepareMessage(i * requestsPerThread + j, editContentString));
157 final NioEventLoopGroup nioGroup = new NioEventLoopGroup();
158 final Timer timer = new HashedWheelTimer();
160 final NetconfClientDispatcherImpl netconfClientDispatcher = configureClientDispatcher(nioGroup, timer);
162 final List<StressClientCallable> callables = new ArrayList<>(threadAmount);
163 for (final List<NetconfMessage> messages : allPreparedMessages) {
164 callables.add(new StressClientCallable(params, netconfClientDispatcher, messages));
167 final ExecutorService executorService = Executors.newFixedThreadPool(threadAmount);
169 LOG.info("Starting stress test");
170 final Stopwatch started = Stopwatch.createStarted();
172 final List<Future<Boolean>> futures = executorService.invokeAll(callables);
173 for (final Future<Boolean> future : futures) {
175 future.get(4L, TimeUnit.MINUTES);
176 } catch (ExecutionException | TimeoutException e) {
177 throw new RuntimeException(e);
180 executorService.shutdownNow();
181 } catch (final InterruptedException e) {
182 throw new RuntimeException("Unable to execute requests", e);
186 LOG.info("FINISHED. Execution time: {}", started);
187 LOG.info("Requests per second: {}", params.editCount * 1000.0 / started.elapsed(TimeUnit.MILLISECONDS));
192 nioGroup.shutdownGracefully().get(20L, TimeUnit.SECONDS);
193 } catch (InterruptedException | ExecutionException | TimeoutException e) {
194 LOG.warn("Unable to close executor properly", e);
196 //stop the underlying ssh thread that gets spawned if we use ssh
198 AsyncSshHandler.DEFAULT_CLIENT.stop();
202 static NetconfMessage prepareMessage(final int id, final String editContentString) {
203 final Document msg = XmlUtil.createDocumentCopy(
204 params.candidateDatastore ? EDIT_CANDIDATE_BLUEPRINT : EDIT_RUNNING_BLUEPRINT);
205 msg.getDocumentElement().setAttribute("message-id", Integer.toString(id));
206 final NetconfMessage netconfMessage = new NetconfMessage(msg);
208 final Element editContentElement;
210 // Insert message id where needed
211 String specificEditContent = editContentString.replaceAll(MSG_ID_PLACEHOLDER_REGEX, Integer.toString(id));
213 final StringBuilder stringBuilder = new StringBuilder(specificEditContent);
214 int idx = stringBuilder.indexOf(PHYS_ADDR_PLACEHOLDER);
216 stringBuilder.replace(idx, idx + PHYS_ADDR_PLACEHOLDER.length(), TestToolUtils.getMac(macStart++));
217 idx = stringBuilder.indexOf(PHYS_ADDR_PLACEHOLDER);
219 specificEditContent = stringBuilder.toString();
221 editContentElement = XmlUtil.readXmlToElement(specificEditContent);
222 final Node config = ((Element) msg.getDocumentElement().getElementsByTagName("edit-config").item(0))
223 .getElementsByTagName("config").item(0);
224 config.appendChild(msg.importNode(editContentElement, true));
225 } catch (final IOException | SAXException e) {
226 throw new IllegalArgumentException("Edit content file is unreadable", e);
229 return netconfMessage;
232 private static NetconfClientDispatcherImpl configureClientDispatcher(final NioEventLoopGroup nioGroup,
234 final NetconfClientDispatcherImpl netconfClientDispatcher;
236 if (params.legacyFraming) {
237 netconfClientDispatcher = ConfigurableClientDispatcher.createLegacyExi(nioGroup, nioGroup, timer);
239 netconfClientDispatcher = ConfigurableClientDispatcher.createChunkedExi(nioGroup, nioGroup, timer);
242 if (params.legacyFraming) {
243 netconfClientDispatcher = ConfigurableClientDispatcher.createLegacy(nioGroup, nioGroup, timer);
245 netconfClientDispatcher = ConfigurableClientDispatcher.createChunked(nioGroup, nioGroup, timer);
248 return netconfClientDispatcher;
251 private static Parameters parseArgs(final String[] args, final ArgumentParser parser) {
252 final Parameters opt = new Parameters();
254 parser.parseArgs(args, opt);
256 } catch (final ArgumentParserException e) {
257 parser.handleError(e);
264 static class LoggingRemoteDevice
265 implements RemoteDevice<NetconfSessionPreferences, NetconfMessage, NetconfDeviceCommunicator> {
267 public void onRemoteSessionUp(final NetconfSessionPreferences remoteSessionCapabilities,
268 final NetconfDeviceCommunicator netconfDeviceCommunicator) {
269 LOG.info("Session established");
273 public void onRemoteSessionDown() {
274 LOG.info("Session down");
278 public void onRemoteSessionFailed(final Throwable throwable) {
279 LOG.info("Session failed");
283 public void onNotification(final NetconfMessage notification) {
284 LOG.info("Notification received: {}", notification.toString());