opendaylight/netconf/netconf-impl/src/test/java/org/opendaylight/controller/netconf/impl/ConcurrentClientsTest.java

   1 /*
   2  * Copyright (c) 2013 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.impl;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.collect.Sets;
  13 import io.netty.channel.ChannelFuture;
  14 import io.netty.channel.EventLoopGroup;
  15 import io.netty.channel.nio.NioEventLoopGroup;
  16 import io.netty.util.HashedWheelTimer;
  17 import org.apache.commons.io.IOUtils;
  18 import org.junit.After;
  19 import org.junit.Before;
  20 import org.junit.Test;
  21 import org.mockito.Mock;
  22 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
  23 import org.opendaylight.controller.netconf.api.NetconfMessage;
  24 import org.opendaylight.controller.netconf.client.NetconfClient;
  25 import org.opendaylight.controller.netconf.client.NetconfClientDispatcher;
  26 import org.opendaylight.controller.netconf.impl.osgi.NetconfOperationServiceFactoryListenerImpl;
  27 import org.opendaylight.controller.netconf.impl.osgi.SessionMonitoringService;
  28 import org.opendaylight.controller.netconf.mapping.api.Capability;
  29 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
  30 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  31 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationChainedExecution;
  32 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  33 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  34 import org.opendaylight.controller.netconf.util.messages.NetconfHelloMessageAdditionalHeader;
  35 import org.opendaylight.controller.netconf.util.test.XmlFileLoader;
  36 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39 import org.w3c.dom.Document;
  40
  41 import java.io.DataOutputStream;
  42 import java.io.InputStream;
  43 import java.io.InputStreamReader;
  44 import java.lang.management.ManagementFactory;
  45 import java.net.InetSocketAddress;
  46 import java.net.Socket;
  47 import java.util.ArrayList;
  48 import java.util.Collections;
  49 import java.util.List;
  50 import java.util.Set;
  51
  52 import static com.google.common.base.Preconditions.checkNotNull;
  53 import static org.junit.Assert.fail;
  54 import static org.mockito.Matchers.any;
  55 import static org.mockito.Mockito.doNothing;
  56 import static org.mockito.MockitoAnnotations.initMocks;
  57
  58 public class ConcurrentClientsTest {
  59
  60     private static final int CONCURRENCY = 16;
  61     private EventLoopGroup nettyGroup;
  62     private NetconfClientDispatcher netconfClientDispatcher;
  63
  64     private final InetSocketAddress netconfAddress = new InetSocketAddress("127.0.0.1", 8303);
  65
  66     static final Logger logger = LoggerFactory.getLogger(ConcurrentClientsTest.class);
  67
  68     private DefaultCommitNotificationProducer commitNot;
  69     private NetconfServerDispatcher dispatch;
  70
  71     @Mock
  72     private SessionMonitoringService monitoring;
  73
  74     HashedWheelTimer hashedWheelTimer;
  75
  76     @Before
  77     public void setUp() throws Exception {
  78         initMocks(this);
  79         nettyGroup = new NioEventLoopGroup();
  80         NetconfHelloMessageAdditionalHeader additionalHeader = new NetconfHelloMessageAdditionalHeader("uname", "10.10.10.1", "830", "tcp", "client");
  81         netconfClientDispatcher = new NetconfClientDispatcher( nettyGroup, nettyGroup, additionalHeader, 5000);
  82
  83         NetconfOperationServiceFactoryListenerImpl factoriesListener = new NetconfOperationServiceFactoryListenerImpl();
  84         factoriesListener.onAddNetconfOperationServiceFactory(mockOpF());
  85
  86         SessionIdProvider idProvider = new SessionIdProvider();
  87         hashedWheelTimer = new HashedWheelTimer();
  88         NetconfServerSessionNegotiatorFactory serverNegotiatorFactory = new NetconfServerSessionNegotiatorFactory(
  89                 hashedWheelTimer, factoriesListener, idProvider, 5000);
  90
  91         commitNot = new DefaultCommitNotificationProducer(ManagementFactory.getPlatformMBeanServer());
  92
  93         doNothing().when(monitoring).onSessionUp(any(NetconfServerSession.class));
  94         doNothing().when(monitoring).onSessionDown(any(NetconfServerSession.class));
  95
  96         NetconfServerSessionListenerFactory listenerFactory = new NetconfServerSessionListenerFactory(
  97                 factoriesListener, commitNot, idProvider, monitoring);
  98         NetconfServerDispatcher.ServerChannelInitializer serverChannelInitializer = new NetconfServerDispatcher.ServerChannelInitializer(serverNegotiatorFactory, listenerFactory);
  99         dispatch = new NetconfServerDispatcher(serverChannelInitializer, nettyGroup, nettyGroup);
 100
 101         ChannelFuture s = dispatch.createServer(netconfAddress);
 102         s.await();
 103     }
 104
 105     @After
 106     public void tearDown(){
 107         hashedWheelTimer.stop();
 108         nettyGroup.shutdownGracefully();
 109     }
 110
 111     private NetconfOperationServiceFactory mockOpF() {
 112         return new NetconfOperationServiceFactory() {
 113             @Override
 114             public NetconfOperationService createService(long netconfSessionId, String netconfSessionIdForReporting) {
 115                 return new NetconfOperationService() {
 116                     @Override
 117                     public Set<Capability> getCapabilities() {
 118                         return Collections.emptySet();
 119                     }
 120
 121                     @Override
 122                     public Set<NetconfOperation> getNetconfOperations() {
 123                         return Sets.<NetconfOperation> newHashSet(new NetconfOperation() {
 124                             @Override
 125                             public HandlingPriority canHandle(Document message) {
 126                                 return HandlingPriority.getHandlingPriority(Integer.MAX_VALUE);
 127                             }
 128
 129                             @Override
 130                             public Document handle(Document requestMessage, NetconfOperationChainedExecution subsequentOperation) throws NetconfDocumentedException {
 131                                 try {
 132                                     return XmlUtil.readXmlToDocument("<test/>");
 133                                 } catch (Exception e) {
 134                                     throw new RuntimeException(e);
 135                                 }
 136                             }
 137                         });
 138                     }
 139
 140                     @Override
 141                     public void close() {
 142                     }
 143                 };
 144             }
 145         };
 146     }
 147
 148     @After
 149     public void cleanUp() throws Exception {
 150         commitNot.close();
 151     }
 152
 153     @Test
 154     public void multipleClients() throws Exception {
 155         List<TestingThread> threads = new ArrayList<>();
 156
 157         final int attempts = 5;
 158         for (int i = 0; i < CONCURRENCY; i++) {
 159             TestingThread thread = new TestingThread(String.valueOf(i), attempts);
 160             threads.add(thread);
 161             thread.start();
 162         }
 163
 164         for (TestingThread thread : threads) {
 165             thread.join();
 166             if(thread.thrownException.isPresent()) {
 167                 Exception exception = thread.thrownException.get();
 168                 logger.error("Thread for testing client failed", exception);
 169                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 170             }
 171         }
 172     }
 173
 174     @Test
 175     public void synchronizationTest() throws Exception {
 176         new BlockingThread("foo").run2();
 177     }
 178
 179     @Test
 180     public void multipleBlockingClients() throws Exception {
 181         List<BlockingThread> threads = new ArrayList<>();
 182         for (int i = 0; i < CONCURRENCY; i++) {
 183             BlockingThread thread = new BlockingThread(String.valueOf(i));
 184             threads.add(thread);
 185             thread.start();
 186         }
 187
 188         for (BlockingThread thread : threads) {
 189             thread.join();
 190             if(thread.thrownException.isPresent()) {
 191                 Exception exception = thread.thrownException.get();
 192                 logger.error("Thread for testing client failed", exception);
 193                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 194             }
 195         }
 196     }
 197
 198     class BlockingThread extends Thread {
 199         private Optional<Exception> thrownException;
 200
 201         public BlockingThread(String name) {
 202             super("client-" + name);
 203         }
 204
 205         @Override
 206         public void run() {
 207             try {
 208                 run2();
 209                 thrownException = Optional.absent();
 210             } catch (Exception e) {
 211                 thrownException = Optional.of(e);
 212             }
 213         }
 214
 215         private void run2() throws Exception {
 216             InputStream clientHello = checkNotNull(XmlFileLoader
 217                     .getResourceAsStream("netconfMessages/client_hello.xml"));
 218             InputStream getConfig = checkNotNull(XmlFileLoader.getResourceAsStream("netconfMessages/getConfig.xml"));
 219
 220             Socket clientSocket = new Socket(netconfAddress.getHostString(), netconfAddress.getPort());
 221             DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
 222             InputStreamReader inFromServer = new InputStreamReader(clientSocket.getInputStream());
 223
 224             StringBuffer sb = new StringBuffer();
 225             while (sb.toString().endsWith("]]>]]>") == false) {
 226                 sb.append((char) inFromServer.read());
 227             }
 228             logger.info(sb.toString());
 229
 230             outToServer.write(IOUtils.toByteArray(clientHello));
 231             outToServer.write("]]>]]>".getBytes());
 232             outToServer.flush();
 233             // Thread.sleep(100);
 234             outToServer.write(IOUtils.toByteArray(getConfig));
 235             outToServer.write("]]>]]>".getBytes());
 236             outToServer.flush();
 237             Thread.sleep(100);
 238             sb = new StringBuffer();
 239             while (sb.toString().endsWith("]]>]]>") == false) {
 240                 sb.append((char) inFromServer.read());
 241             }
 242             logger.info(sb.toString());
 243             clientSocket.close();
 244         }
 245     }
 246
 247     class TestingThread extends Thread {
 248
 249         private final String clientId;
 250         private final int attempts;
 251         private Optional<Exception> thrownException;
 252
 253         TestingThread(String clientId, int attempts) {
 254             this.clientId = clientId;
 255             this.attempts = attempts;
 256             setName("client-" + clientId);
 257         }
 258
 259         @Override
 260         public void run() {
 261             try {
 262                 final NetconfClient netconfClient = new NetconfClient(clientId, netconfAddress, netconfClientDispatcher);
 263                 long sessionId = netconfClient.getSessionId();
 264                 logger.info("Client with sessionid {} hello exchanged", sessionId);
 265
 266                 final NetconfMessage getMessage = XmlFileLoader
 267                         .xmlFileToNetconfMessage("netconfMessages/getConfig.xml");
 268                 NetconfMessage result = netconfClient.sendMessage(getMessage);
 269                 logger.info("Client with sessionid {} got result {}", sessionId, result);
 270                 netconfClient.close();
 271                 logger.info("Client with session id {} ended", sessionId);
 272                 thrownException = Optional.absent();
 273             } catch (final Exception e) {
 274                 thrownException = Optional.of(e);
 275             }
 276         }
 277     }
 278 }