+/*
+ * 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.http.perf;
+
+
+import com.google.common.base.Charsets;
+import com.google.common.base.Stopwatch;
+import com.google.common.io.Files;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import net.sourceforge.argparse4j.inf.ArgumentParser;
+import net.sourceforge.argparse4j.inf.ArgumentParserException;
+import org.opendaylight.controller.netconf.test.tool.TestToolUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RestPerfClient {
+
+ private static final Logger LOG = LoggerFactory.getLogger(RestPerfClient.class);
+
+ private static final String HOST_KEY = "{HOST}";
+ private static final String PORT_KEY = "{PORT}";
+ private static final String DEVICE_PORT_KEY = "{DEVICE_PORT}";
+
+ private static final String PEER_KEY = "{PEERID}";
+ private static final String INT_LEAF_KEY = "{INTLEAF}";
+
+ private static final String PHYS_ADDR_PLACEHOLDER = "{PHYS_ADDR}";
+
+ private static final String dest = "http://{HOST}:{PORT}";
+
+ private static long macStart = 0xAABBCCDD0000L;
+
+ static int throttle;
+
+ static final class DestToPayload {
+
+ private final String destination;
+ private final String payload;
+
+ public DestToPayload(String destination, String payload) {
+ this.destination = destination;
+ this.payload = payload;
+ }
+
+ public String getDestination() {
+ return destination;
+ }
+
+ public String getPayload() {
+ return payload;
+ }
+ }
+
+ public static void main(String[] args) throws IOException {
+
+ Parameters parameters = parseArgs(args, Parameters.getParser());
+ parameters.validate();
+ throttle = parameters.throttle / parameters.threadAmount;
+
+ if (parameters.async && parameters.threadAmount > 1) {
+ LOG.info("Throttling per thread: {}", throttle);
+ }
+
+ final String editContentString;
+ try {
+ editContentString = Files.toString(parameters.editContent, Charsets.UTF_8);
+ } catch (final IOException e) {
+ throw new IllegalArgumentException("Cannot read content of " + parameters.editContent);
+ }
+
+ final int threadAmount = parameters.threadAmount;
+ LOG.info("thread amount: {}", threadAmount);
+ final int requestsPerThread = parameters.editCount / parameters.threadAmount;
+ LOG.info("requestsPerThread: {}", requestsPerThread);
+ final int leftoverRequests = parameters.editCount % parameters.threadAmount;
+ LOG.info("leftoverRequests: {}", leftoverRequests);
+
+ final ArrayList<ArrayList<DestToPayload>> allThreadsPayloads = new ArrayList<>();
+ for (int i = 0; i < threadAmount; i++) {
+ final ArrayList<DestToPayload> payloads = new ArrayList<>();
+ for (int j = 0; j < requestsPerThread; j++) {
+ final int devicePort = parameters.sameDevice ? parameters.devicePortRangeStart : parameters.devicePortRangeStart + i;
+ final StringBuilder destBuilder = new StringBuilder(dest);
+ destBuilder.replace(destBuilder.indexOf(HOST_KEY), destBuilder.indexOf(HOST_KEY) + HOST_KEY.length(), parameters.ip)
+ .replace(destBuilder.indexOf(PORT_KEY), destBuilder.indexOf(PORT_KEY) + PORT_KEY.length(), parameters.port + "");
+ final StringBuilder suffixBuilder = new StringBuilder(parameters.destination);
+ if (suffixBuilder.indexOf(DEVICE_PORT_KEY) != -1) {
+ suffixBuilder.replace(suffixBuilder.indexOf(DEVICE_PORT_KEY), suffixBuilder.indexOf(DEVICE_PORT_KEY) + DEVICE_PORT_KEY.length(), devicePort + "");
+ }
+ destBuilder.append(suffixBuilder);
+
+ payloads.add(new DestToPayload(destBuilder.toString(), prepareMessage(i, j, editContentString)));
+ }
+ allThreadsPayloads.add(payloads);
+ }
+
+ for (int i = 0; i < leftoverRequests; i++) {
+ ArrayList<DestToPayload> payloads = allThreadsPayloads.get(allThreadsPayloads.size() - 1);
+
+ final int devicePort = parameters.sameDevice ? parameters.devicePortRangeStart : parameters.devicePortRangeStart + threadAmount - 1;
+ final StringBuilder destBuilder = new StringBuilder(dest);
+ destBuilder.replace(destBuilder.indexOf(HOST_KEY), destBuilder.indexOf(HOST_KEY) + HOST_KEY.length(), parameters.ip)
+ .replace(destBuilder.indexOf(PORT_KEY), destBuilder.indexOf(PORT_KEY) + PORT_KEY.length(), parameters.port + "");
+ final StringBuilder suffixBuilder = new StringBuilder(parameters.destination);
+ if (suffixBuilder.indexOf(DEVICE_PORT_KEY) != -1) {
+ suffixBuilder.replace(suffixBuilder.indexOf(DEVICE_PORT_KEY), suffixBuilder.indexOf(DEVICE_PORT_KEY) + DEVICE_PORT_KEY.length(), devicePort + "");
+ }
+ destBuilder.append(suffixBuilder);
+ payloads.add(new DestToPayload(destBuilder.toString(), prepareMessage(threadAmount - 1, requestsPerThread + i, editContentString)));
+ }
+
+ final ArrayList<PerfClientCallable> callables = new ArrayList<>();
+ for (ArrayList<DestToPayload> payloads : allThreadsPayloads) {
+ callables.add(new PerfClientCallable(parameters, payloads));
+ }
+
+ final ExecutorService executorService = Executors.newFixedThreadPool(threadAmount);
+
+ LOG.info("Starting performance test");
+ final Stopwatch started = Stopwatch.createStarted();
+ try {
+ final List<Future<Void>> futures = executorService.invokeAll(callables, 5, TimeUnit.MINUTES);
+ for (final Future<Void> future : futures) {
+ try {
+ future.get(4L, TimeUnit.MINUTES);
+ } catch (ExecutionException | TimeoutException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ executorService.shutdownNow();
+ } catch (final InterruptedException e) {
+ throw new RuntimeException("Unable to execute requests", e);
+ }
+ started.stop();
+
+ LOG.info("FINISHED. Execution time: {}", started);
+ LOG.info("Requests per second: {}", (parameters.editCount * 1000.0 / started.elapsed(TimeUnit.MILLISECONDS)));
+
+ System.exit(0);
+ }
+
+ private static Parameters parseArgs(final String[] args, final ArgumentParser parser) {
+ final Parameters opt = new Parameters();
+ try {
+ parser.parseArgs(args, opt);
+ return opt;
+ } catch (final ArgumentParserException e) {
+ parser.handleError(e);
+ }
+
+ System.exit(1);
+ return null;
+ }
+
+ private static String prepareMessage(final int idi, final int idj, final String editContentString) {
+ StringBuilder messageBuilder = new StringBuilder(editContentString);
+ if (editContentString.contains(PEER_KEY)) {
+ messageBuilder.replace(messageBuilder.indexOf(PEER_KEY), messageBuilder.indexOf(PEER_KEY) + PEER_KEY.length(), Integer.toString(idi))
+ .replace(messageBuilder.indexOf(INT_LEAF_KEY), messageBuilder.indexOf(INT_LEAF_KEY) + INT_LEAF_KEY.length(), Integer.toString(idj));
+ }
+
+ int idx = messageBuilder.indexOf(PHYS_ADDR_PLACEHOLDER);
+
+ while (idx != -1) {
+ messageBuilder.replace(idx, idx + PHYS_ADDR_PLACEHOLDER.length(), TestToolUtils.getMac(macStart++));
+ idx = messageBuilder.indexOf(PHYS_ADDR_PLACEHOLDER);
+ }
+
+ return messageBuilder.toString();
+ }
+}