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.AfterClass;
  20 import org.junit.Before;
  21 import org.junit.Test;
  22 import org.mockito.Mock;
  23 import org.mockito.MockitoAnnotations;
  24 import org.opendaylight.controller.config.util.ConfigRegistryJMXClient;
  25 import org.opendaylight.controller.config.util.ConfigTransactionJMXClient;
  26 import org.opendaylight.controller.config.yang.store.api.YangStoreService;
  27 import org.opendaylight.controller.config.yang.store.api.YangStoreSnapshot;
  28 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
  29 import org.opendaylight.controller.netconf.api.NetconfMessage;
  30 import org.opendaylight.controller.netconf.api.NetconfOperationRouter;
  31 import org.opendaylight.controller.netconf.client.NetconfClient;
  32 import org.opendaylight.controller.netconf.client.NetconfClientDispatcher;
  33 import org.opendaylight.controller.netconf.impl.osgi.NetconfOperationServiceFactoryListenerImpl;
  34 import org.opendaylight.controller.netconf.mapping.api.Capability;
  35 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
  36 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  37 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationFilter;
  38 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  39 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  40 import org.opendaylight.controller.netconf.util.test.XmlFileLoader;
  41 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44 import org.w3c.dom.Document;
  45
  46 import javax.management.ObjectName;
  47 import javax.net.ssl.SSLContext;
  48 import java.io.DataOutputStream;
  49 import java.io.InputStream;
  50 import java.io.InputStreamReader;
  51 import java.lang.management.ManagementFactory;
  52 import java.net.InetSocketAddress;
  53 import java.net.Socket;
  54 import java.util.ArrayList;
  55 import java.util.Collections;
  56 import java.util.List;
  57 import java.util.Set;
  58 import java.util.concurrent.TimeUnit;
  59
  60 import static com.google.common.base.Preconditions.checkNotNull;
  61 import static org.junit.Assert.fail;
  62 import static org.mockito.Matchers.any;
  63 import static org.mockito.Mockito.doReturn;
  64 import static org.mockito.Mockito.mock;
  65
  66 public class ConcurrentClientsTest {
  67
  68     private static final int CONCURRENCY = 16;
  69     private static EventLoopGroup nettyGroup = new NioEventLoopGroup();
  70     public static final NetconfClientDispatcher NETCONF_CLIENT_DISPATCHER = new NetconfClientDispatcher(
  71             Optional.<SSLContext> absent(), nettyGroup, nettyGroup);
  72
  73     @Mock
  74     private YangStoreService yangStoreService;
  75     @Mock
  76     private ConfigRegistryJMXClient jmxClient;
  77
  78     private final InetSocketAddress netconfAddress = new InetSocketAddress("127.0.0.1", 8303);
  79
  80     static final Logger logger = LoggerFactory.getLogger(ConcurrentClientsTest.class);
  81
  82     private DefaultCommitNotificationProducer commitNot;
  83     private NetconfServerDispatcher dispatch;
  84
  85
  86     @Before
  87     public void setUp() throws Exception {
  88         { // init mocks
  89             MockitoAnnotations.initMocks(this);
  90             final YangStoreSnapshot yStore = mock(YangStoreSnapshot.class);
  91             doReturn(yStore).when(this.yangStoreService).getYangStoreSnapshot();
  92             doReturn(Collections.emptyMap()).when(yStore).getModuleMXBeanEntryMap();
  93             doReturn(Collections.emptyMap()).when(yStore).getModuleMap();
  94
  95             final ConfigTransactionJMXClient mockedTCl = mock(ConfigTransactionJMXClient.class);
  96             doReturn(mockedTCl).when(this.jmxClient).getConfigTransactionClient(any(ObjectName.class));
  97
  98             doReturn(Collections.emptySet()).when(jmxClient).lookupConfigBeans();
  99         }
 100
 101         NetconfOperationServiceFactoryListenerImpl factoriesListener = new NetconfOperationServiceFactoryListenerImpl();
 102         factoriesListener.onAddNetconfOperationServiceFactory(mockOpF());
 103
 104         SessionIdProvider idProvider = new SessionIdProvider();
 105         NetconfServerSessionNegotiatorFactory serverNegotiatorFactory = new NetconfServerSessionNegotiatorFactory(
 106                 new HashedWheelTimer(5000, TimeUnit.MILLISECONDS), factoriesListener, idProvider);
 107
 108         commitNot = new DefaultCommitNotificationProducer(ManagementFactory.getPlatformMBeanServer());
 109
 110         NetconfServerSessionListenerFactory listenerFactory = new NetconfServerSessionListenerFactory(
 111                 factoriesListener, commitNot, idProvider);
 112         NetconfServerDispatcher.ServerSslChannelInitializer serverChannelInitializer = new NetconfServerDispatcher.ServerSslChannelInitializer(
 113                 Optional.<SSLContext> absent(), serverNegotiatorFactory, listenerFactory);
 114         dispatch = new NetconfServerDispatcher(serverChannelInitializer, nettyGroup, nettyGroup);
 115
 116         ChannelFuture s = dispatch.createServer(netconfAddress);
 117         s.await();
 118     }
 119
 120     @AfterClass
 121     public static void tearDownStatic() {
 122         nettyGroup.shutdownGracefully();
 123     }
 124
 125     private NetconfOperationServiceFactory mockOpF() {
 126         return new NetconfOperationServiceFactory() {
 127             @Override
 128             public NetconfOperationService createService(long netconfSessionId, String netconfSessionIdForReporting) {
 129                 return new NetconfOperationService() {
 130                     @Override
 131                     public Set<Capability> getCapabilities() {
 132                         return Collections.emptySet();
 133                     }
 134
 135                     @Override
 136                     public Set<NetconfOperation> getNetconfOperations() {
 137                         return Sets.<NetconfOperation> newHashSet(new NetconfOperation() {
 138                             @Override
 139                             public HandlingPriority canHandle(Document message) {
 140                                 return HandlingPriority.getHandlingPriority(Integer.MAX_VALUE);
 141                             }
 142
 143                             @Override
 144                             public Document handle(Document message, NetconfOperationRouter operationRouter)
 145                                     throws NetconfDocumentedException {
 146                                 try {
 147                                     return XmlUtil.readXmlToDocument("<test/>");
 148                                 } catch (Exception e) {
 149                                     throw new RuntimeException(e);
 150                                 }
 151                             }
 152                         });
 153                     }
 154
 155                     @Override
 156                     public Set<NetconfOperationFilter> getFilters() {
 157                         return Collections.emptySet();
 158                     }
 159
 160                     @Override
 161                     public void close() {
 162                     }
 163                 };
 164             }
 165         };
 166     }
 167
 168     @After
 169     public void cleanUp() throws Exception {
 170         commitNot.close();
 171     }
 172
 173     @Test
 174     public void multipleClients() throws Exception {
 175         List<TestingThread> threads = new ArrayList<>();
 176
 177         final int attempts = 5;
 178         for (int i = 0; i < CONCURRENCY; i++) {
 179             TestingThread thread = new TestingThread(String.valueOf(i), attempts);
 180             threads.add(thread);
 181             thread.start();
 182         }
 183
 184         for (TestingThread thread : threads) {
 185             thread.join();
 186             if(thread.thrownException.isPresent()) {
 187                 Exception exception = thread.thrownException.get();
 188                 logger.error("Thread for testing client failed", exception);
 189                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 190             }
 191         }
 192     }
 193
 194     @Test
 195     public void synchronizationTest() throws Exception {
 196         new BlockingThread("foo").run2();
 197     }
 198
 199     @Test
 200     public void multipleBlockingClients() throws Exception {
 201         List<BlockingThread> threads = new ArrayList<>();
 202         for (int i = 0; i < CONCURRENCY; i++) {
 203             BlockingThread thread = new BlockingThread(String.valueOf(i));
 204             threads.add(thread);
 205             thread.start();
 206         }
 207
 208         for (BlockingThread thread : threads) {
 209             thread.join();
 210             if(thread.thrownException.isPresent()) {
 211                 Exception exception = thread.thrownException.get();
 212                 logger.error("Thread for testing client failed", exception);
 213                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 214             }
 215         }
 216     }
 217
 218     class BlockingThread extends Thread {
 219         private Optional<Exception> thrownException;
 220
 221         public BlockingThread(String name) {
 222             super("client-" + name);
 223         }
 224
 225         @Override
 226         public void run() {
 227             try {
 228                 run2();
 229                 thrownException = Optional.absent();
 230             } catch (Exception e) {
 231                 thrownException = Optional.of(e);
 232             }
 233         }
 234
 235         private void run2() throws Exception {
 236             InputStream clientHello = checkNotNull(XmlFileLoader
 237                     .getResourceAsStream("netconfMessages/client_hello.xml"));
 238             InputStream getConfig = checkNotNull(XmlFileLoader.getResourceAsStream("netconfMessages/getConfig.xml"));
 239
 240             Socket clientSocket = new Socket(netconfAddress.getHostString(), netconfAddress.getPort());
 241             DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
 242             InputStreamReader inFromServer = new InputStreamReader(clientSocket.getInputStream());
 243
 244             StringBuffer sb = new StringBuffer();
 245             while (sb.toString().endsWith("]]>]]>") == false) {
 246                 sb.append((char) inFromServer.read());
 247             }
 248             logger.info(sb.toString());
 249
 250             outToServer.write(IOUtils.toByteArray(clientHello));
 251             outToServer.write("]]>]]>".getBytes());
 252             outToServer.flush();
 253             // Thread.sleep(100);
 254             outToServer.write(IOUtils.toByteArray(getConfig));
 255             outToServer.write("]]>]]>".getBytes());
 256             outToServer.flush();
 257             Thread.sleep(100);
 258             sb = new StringBuffer();
 259             while (sb.toString().endsWith("]]>]]>") == false) {
 260                 sb.append((char) inFromServer.read());
 261             }
 262             logger.info(sb.toString());
 263             clientSocket.close();
 264         }
 265     }
 266
 267     class TestingThread extends Thread {
 268
 269         private final String clientId;
 270         private final int attempts;
 271         private Optional<Exception> thrownException;
 272
 273         TestingThread(String clientId, int attempts) {
 274             this.clientId = clientId;
 275             this.attempts = attempts;
 276             setName("client-" + clientId);
 277         }
 278
 279         @Override
 280         public void run() {
 281             try {
 282                 final NetconfClient netconfClient = new NetconfClient(clientId, netconfAddress, NETCONF_CLIENT_DISPATCHER);
 283                 long sessionId = netconfClient.getSessionId();
 284                 logger.info("Client with sessionid {} hello exchanged", sessionId);
 285
 286                 final NetconfMessage getMessage = XmlFileLoader
 287                         .xmlFileToNetconfMessage("netconfMessages/getConfig.xml");
 288                 NetconfMessage result = netconfClient.sendMessage(getMessage);
 289                 logger.info("Client with sessionid {} got result {}", sessionId, result);
 290                 netconfClient.close();
 291                 logger.info("Client with session id {} ended", sessionId);
 292                 thrownException = Optional.absent();
 293             } catch (final Exception e) {
 294                 thrownException = Optional.of(e);
 295             }
 296         }
 297     }
 298 }