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