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 static com.google.common.base.Preconditions.checkNotNull;
  12 import static org.junit.Assert.fail;
  13 import static org.mockito.Matchers.any;
  14 import static org.mockito.Mockito.doNothing;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17 import io.netty.channel.ChannelFuture;
  18 import io.netty.channel.EventLoopGroup;
  19 import io.netty.channel.nio.NioEventLoopGroup;
  20 import io.netty.util.HashedWheelTimer;
  21
  22 import java.io.DataOutputStream;
  23 import java.io.InputStream;
  24 import java.io.InputStreamReader;
  25 import java.lang.management.ManagementFactory;
  26 import java.net.InetSocketAddress;
  27 import java.net.Socket;
  28 import java.util.ArrayList;
  29 import java.util.Collections;
  30 import java.util.List;
  31 import java.util.Set;
  32 import java.util.concurrent.TimeUnit;
  33
  34 import javax.management.ObjectName;
  35
  36 import org.apache.commons.io.IOUtils;
  37 import org.junit.After;
  38 import org.junit.AfterClass;
  39 import org.junit.Before;
  40 import org.junit.Test;
  41 import org.mockito.Mock;
  42 import org.mockito.MockitoAnnotations;
  43 import org.opendaylight.controller.config.util.ConfigRegistryJMXClient;
  44 import org.opendaylight.controller.config.util.ConfigTransactionJMXClient;
  45 import org.opendaylight.controller.config.yang.store.api.YangStoreService;
  46 import org.opendaylight.controller.config.yang.store.api.YangStoreSnapshot;
  47 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
  48 import org.opendaylight.controller.netconf.api.NetconfMessage;
  49 import org.opendaylight.controller.netconf.api.NetconfOperationRouter;
  50 import org.opendaylight.controller.netconf.client.NetconfClient;
  51 import org.opendaylight.controller.netconf.client.NetconfClientDispatcher;
  52 import org.opendaylight.controller.netconf.impl.osgi.NetconfOperationServiceFactoryListenerImpl;
  53 import org.opendaylight.controller.netconf.impl.osgi.SessionMonitoringService;
  54 import org.opendaylight.controller.netconf.mapping.api.Capability;
  55 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
  56 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  57 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationFilter;
  58 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  59 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  60 import org.opendaylight.controller.netconf.util.test.XmlFileLoader;
  61 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  62 import org.slf4j.Logger;
  63 import org.slf4j.LoggerFactory;
  64 import org.w3c.dom.Document;
  65
  66 import com.google.common.base.Optional;
  67 import com.google.common.collect.Sets;
  68
  69 public class ConcurrentClientsTest {
  70
  71     private static final int CONCURRENCY = 16;
  72     private static EventLoopGroup nettyGroup = new NioEventLoopGroup();
  73     public static final NetconfClientDispatcher NETCONF_CLIENT_DISPATCHER =
  74             new NetconfClientDispatcher( nettyGroup, nettyGroup);
  75
  76     @Mock
  77     private YangStoreService yangStoreService;
  78     @Mock
  79     private ConfigRegistryJMXClient jmxClient;
  80
  81     private final InetSocketAddress netconfAddress = new InetSocketAddress("127.0.0.1", 8303);
  82
  83     static final Logger logger = LoggerFactory.getLogger(ConcurrentClientsTest.class);
  84
  85     private DefaultCommitNotificationProducer commitNot;
  86     private NetconfServerDispatcher dispatch;
  87
  88     @Mock
  89     private SessionMonitoringService monitoring;
  90
  91     @Before
  92     public void setUp() throws Exception {
  93         { // init mocks
  94             MockitoAnnotations.initMocks(this);
  95             final YangStoreSnapshot yStore = mock(YangStoreSnapshot.class);
  96             doReturn(yStore).when(this.yangStoreService).getYangStoreSnapshot();
  97             doReturn(Collections.emptyMap()).when(yStore).getModuleMXBeanEntryMap();
  98
  99             final ConfigTransactionJMXClient mockedTCl = mock(ConfigTransactionJMXClient.class);
 100             doReturn(mockedTCl).when(this.jmxClient).getConfigTransactionClient(any(ObjectName.class));
 101
 102             doReturn(Collections.emptySet()).when(jmxClient).lookupConfigBeans();
 103         }
 104
 105         NetconfOperationServiceFactoryListenerImpl factoriesListener = new NetconfOperationServiceFactoryListenerImpl();
 106         factoriesListener.onAddNetconfOperationServiceFactory(mockOpF());
 107
 108         SessionIdProvider idProvider = new SessionIdProvider();
 109         NetconfServerSessionNegotiatorFactory serverNegotiatorFactory = new NetconfServerSessionNegotiatorFactory(
 110                 new HashedWheelTimer(5000, TimeUnit.MILLISECONDS), factoriesListener, idProvider);
 111
 112         commitNot = new DefaultCommitNotificationProducer(ManagementFactory.getPlatformMBeanServer());
 113
 114         doNothing().when(monitoring).onSessionUp(any(NetconfServerSession.class));
 115         doNothing().when(monitoring).onSessionDown(any(NetconfServerSession.class));
 116
 117         NetconfServerSessionListenerFactory listenerFactory = new NetconfServerSessionListenerFactory(
 118                 factoriesListener, commitNot, idProvider, monitoring);
 119         NetconfServerDispatcher.ServerChannelInitializer serverChannelInitializer = new NetconfServerDispatcher.ServerChannelInitializer(serverNegotiatorFactory, listenerFactory);
 120         dispatch = new NetconfServerDispatcher(serverChannelInitializer, nettyGroup, nettyGroup);
 121
 122         ChannelFuture s = dispatch.createServer(netconfAddress);
 123         s.await();
 124     }
 125
 126     @AfterClass
 127     public static void tearDownStatic() {
 128         nettyGroup.shutdownGracefully();
 129     }
 130
 131     private NetconfOperationServiceFactory mockOpF() {
 132         return new NetconfOperationServiceFactory() {
 133             @Override
 134             public NetconfOperationService createService(long netconfSessionId, String netconfSessionIdForReporting) {
 135                 return new NetconfOperationService() {
 136                     @Override
 137                     public Set<Capability> getCapabilities() {
 138                         return Collections.emptySet();
 139                     }
 140
 141                     @Override
 142                     public Set<NetconfOperation> getNetconfOperations() {
 143                         return Sets.<NetconfOperation> newHashSet(new NetconfOperation() {
 144                             @Override
 145                             public HandlingPriority canHandle(Document message) {
 146                                 return HandlingPriority.getHandlingPriority(Integer.MAX_VALUE);
 147                             }
 148
 149                             @Override
 150                             public Document handle(Document message, NetconfOperationRouter operationRouter)
 151                                     throws NetconfDocumentedException {
 152                                 try {
 153                                     return XmlUtil.readXmlToDocument("<test/>");
 154                                 } catch (Exception e) {
 155                                     throw new RuntimeException(e);
 156                                 }
 157                             }
 158                         });
 159                     }
 160
 161                     @Override
 162                     public Set<NetconfOperationFilter> getFilters() {
 163                         return Collections.emptySet();
 164                     }
 165
 166                     @Override
 167                     public void close() {
 168                     }
 169                 };
 170             }
 171         };
 172     }
 173
 174     @After
 175     public void cleanUp() throws Exception {
 176         commitNot.close();
 177     }
 178
 179     @Test
 180     public void multipleClients() throws Exception {
 181         List<TestingThread> threads = new ArrayList<>();
 182
 183         final int attempts = 5;
 184         for (int i = 0; i < CONCURRENCY; i++) {
 185             TestingThread thread = new TestingThread(String.valueOf(i), attempts);
 186             threads.add(thread);
 187             thread.start();
 188         }
 189
 190         for (TestingThread thread : threads) {
 191             thread.join();
 192             if(thread.thrownException.isPresent()) {
 193                 Exception exception = thread.thrownException.get();
 194                 logger.error("Thread for testing client failed", exception);
 195                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 196             }
 197         }
 198     }
 199
 200     @Test
 201     public void synchronizationTest() throws Exception {
 202         new BlockingThread("foo").run2();
 203     }
 204
 205     @Test
 206     public void multipleBlockingClients() throws Exception {
 207         List<BlockingThread> threads = new ArrayList<>();
 208         for (int i = 0; i < CONCURRENCY; i++) {
 209             BlockingThread thread = new BlockingThread(String.valueOf(i));
 210             threads.add(thread);
 211             thread.start();
 212         }
 213
 214         for (BlockingThread thread : threads) {
 215             thread.join();
 216             if(thread.thrownException.isPresent()) {
 217                 Exception exception = thread.thrownException.get();
 218                 logger.error("Thread for testing client failed", exception);
 219                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 220             }
 221         }
 222     }
 223
 224     class BlockingThread extends Thread {
 225         private Optional<Exception> thrownException;
 226
 227         public BlockingThread(String name) {
 228             super("client-" + name);
 229         }
 230
 231         @Override
 232         public void run() {
 233             try {
 234                 run2();
 235                 thrownException = Optional.absent();
 236             } catch (Exception e) {
 237                 thrownException = Optional.of(e);
 238             }
 239         }
 240
 241         private void run2() throws Exception {
 242             InputStream clientHello = checkNotNull(XmlFileLoader
 243                     .getResourceAsStream("netconfMessages/client_hello.xml"));
 244             InputStream getConfig = checkNotNull(XmlFileLoader.getResourceAsStream("netconfMessages/getConfig.xml"));
 245
 246             Socket clientSocket = new Socket(netconfAddress.getHostString(), netconfAddress.getPort());
 247             DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
 248             InputStreamReader inFromServer = new InputStreamReader(clientSocket.getInputStream());
 249
 250             StringBuffer sb = new StringBuffer();
 251             while (sb.toString().endsWith("]]>]]>") == false) {
 252                 sb.append((char) inFromServer.read());
 253             }
 254             logger.info(sb.toString());
 255
 256             outToServer.write(IOUtils.toByteArray(clientHello));
 257             outToServer.write("]]>]]>".getBytes());
 258             outToServer.flush();
 259             // Thread.sleep(100);
 260             outToServer.write(IOUtils.toByteArray(getConfig));
 261             outToServer.write("]]>]]>".getBytes());
 262             outToServer.flush();
 263             Thread.sleep(100);
 264             sb = new StringBuffer();
 265             while (sb.toString().endsWith("]]>]]>") == false) {
 266                 sb.append((char) inFromServer.read());
 267             }
 268             logger.info(sb.toString());
 269             clientSocket.close();
 270         }
 271     }
 272
 273     class TestingThread extends Thread {
 274
 275         private final String clientId;
 276         private final int attempts;
 277         private Optional<Exception> thrownException;
 278
 279         TestingThread(String clientId, int attempts) {
 280             this.clientId = clientId;
 281             this.attempts = attempts;
 282             setName("client-" + clientId);
 283         }
 284
 285         @Override
 286         public void run() {
 287             try {
 288                 final NetconfClient netconfClient = new NetconfClient(clientId, netconfAddress, NETCONF_CLIENT_DISPATCHER);
 289                 long sessionId = netconfClient.getSessionId();
 290                 logger.info("Client with sessionid {} hello exchanged", sessionId);
 291
 292                 final NetconfMessage getMessage = XmlFileLoader
 293                         .xmlFileToNetconfMessage("netconfMessages/getConfig.xml");
 294                 NetconfMessage result = netconfClient.sendMessage(getMessage);
 295                 logger.info("Client with sessionid {} got result {}", sessionId, result);
 296                 netconfClient.close();
 297                 logger.info("Client with session id {} ended", sessionId);
 298                 thrownException = Optional.absent();
 299             } catch (final Exception e) {
 300                 thrownException = Optional.of(e);
 301             }
 302         }
 303     }
 304 }