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.mock;
  16
  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
  28 import org.apache.commons.io.IOUtils;
  29 import org.junit.After;
  30 import org.junit.Before;
  31 import org.junit.Test;
  32 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
  33 import org.opendaylight.controller.netconf.api.NetconfMessage;
  34 import org.opendaylight.controller.netconf.client.NetconfClientDispatcher;
  35 import org.opendaylight.controller.netconf.client.test.TestingNetconfClient;
  36 import org.opendaylight.controller.netconf.impl.osgi.NetconfOperationServiceFactoryListenerImpl;
  37 import org.opendaylight.controller.netconf.impl.osgi.SessionMonitoringService;
  38 import org.opendaylight.controller.netconf.mapping.api.Capability;
  39 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
  40 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
  41 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationChainedExecution;
  42 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
  43 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  44 import org.opendaylight.controller.netconf.util.messages.NetconfHelloMessageAdditionalHeader;
  45 import org.opendaylight.controller.netconf.util.messages.NetconfStartExiMessage;
  46 import org.opendaylight.controller.netconf.util.test.XmlFileLoader;
  47 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  48 import org.slf4j.Logger;
  49 import org.slf4j.LoggerFactory;
  50 import org.w3c.dom.Document;
  51
  52 import com.google.common.base.Optional;
  53 import com.google.common.collect.Sets;
  54
  55 import io.netty.channel.ChannelFuture;
  56 import io.netty.channel.EventLoopGroup;
  57 import io.netty.channel.nio.NioEventLoopGroup;
  58 import io.netty.util.HashedWheelTimer;
  59
  60 public class ConcurrentClientsTest {
  61
  62     private static final int CONCURRENCY = 16;
  63     private EventLoopGroup nettyGroup;
  64     private NetconfClientDispatcher netconfClientDispatcher;
  65
  66     private final InetSocketAddress netconfAddress = new InetSocketAddress("127.0.0.1", 8303);
  67
  68     static final Logger logger = LoggerFactory.getLogger(ConcurrentClientsTest.class);
  69
  70     private DefaultCommitNotificationProducer commitNot;
  71     private NetconfServerDispatcher dispatch;
  72
  73
  74
  75     HashedWheelTimer hashedWheelTimer;
  76
  77     public static SessionMonitoringService createMockedMonitoringService() {
  78         SessionMonitoringService monitoring = mock(SessionMonitoringService.class);
  79         doNothing().when(monitoring).onSessionUp(any(NetconfServerSession.class));
  80         doNothing().when(monitoring).onSessionDown(any(NetconfServerSession.class));
  81         return monitoring;
  82     }
  83
  84     @Before
  85     public void setUp() throws Exception {
  86
  87         nettyGroup = new NioEventLoopGroup();
  88         NetconfHelloMessageAdditionalHeader additionalHeader = new NetconfHelloMessageAdditionalHeader("uname", "10.10.10.1", "830", "tcp", "client");
  89         netconfClientDispatcher = new NetconfClientDispatcher( nettyGroup, nettyGroup, additionalHeader, 5000);
  90
  91         NetconfOperationServiceFactoryListenerImpl factoriesListener = new NetconfOperationServiceFactoryListenerImpl();
  92         factoriesListener.onAddNetconfOperationServiceFactory(mockOpF());
  93
  94         SessionIdProvider idProvider = new SessionIdProvider();
  95         hashedWheelTimer = new HashedWheelTimer();
  96
  97         NetconfServerSessionNegotiatorFactory serverNegotiatorFactory = new NetconfServerSessionNegotiatorFactory(
  98                 hashedWheelTimer, factoriesListener, idProvider, 5000, commitNot, createMockedMonitoringService());
  99
 100         commitNot = new DefaultCommitNotificationProducer(ManagementFactory.getPlatformMBeanServer());
 101
 102         NetconfServerDispatcher.ServerChannelInitializer serverChannelInitializer = new NetconfServerDispatcher.ServerChannelInitializer(serverNegotiatorFactory);
 103         dispatch = new NetconfServerDispatcher(serverChannelInitializer, nettyGroup, nettyGroup);
 104
 105         ChannelFuture s = dispatch.createServer(netconfAddress);
 106         s.await();
 107     }
 108
 109     @After
 110     public void tearDown(){
 111         hashedWheelTimer.stop();
 112         nettyGroup.shutdownGracefully();
 113     }
 114
 115     private NetconfOperationServiceFactory mockOpF() {
 116         return new NetconfOperationServiceFactory() {
 117             @Override
 118             public NetconfOperationService createService(String netconfSessionIdForReporting) {
 119                 return new NetconfOperationService() {
 120                     @Override
 121                     public Set<Capability> getCapabilities() {
 122                         return Collections.emptySet();
 123                     }
 124
 125                     @Override
 126                     public Set<NetconfOperation> getNetconfOperations() {
 127                         return Sets.<NetconfOperation> newHashSet(new NetconfOperation() {
 128                             @Override
 129                             public HandlingPriority canHandle(Document message) {
 130                                 return XmlUtil.toString(message).contains(NetconfStartExiMessage.START_EXI) ?
 131                                         HandlingPriority.CANNOT_HANDLE :
 132                                         HandlingPriority.HANDLE_WITH_MAX_PRIORITY;
 133                             }
 134
 135                             @Override
 136                             public Document handle(Document requestMessage, NetconfOperationChainedExecution subsequentOperation) throws NetconfDocumentedException {
 137                                 try {
 138                                     return XmlUtil.readXmlToDocument("<test/>");
 139                                 } catch (Exception e) {
 140                                     throw new RuntimeException(e);
 141                                 }
 142                             }
 143                         });
 144                     }
 145
 146                     @Override
 147                     public void close() {
 148                     }
 149                 };
 150             }
 151         };
 152     }
 153
 154     @After
 155     public void cleanUp() throws Exception {
 156         commitNot.close();
 157     }
 158
 159     @Test(timeout = 30 * 1000)
 160     public void multipleClients() throws Exception {
 161         List<TestingThread> threads = new ArrayList<>();
 162
 163         final int attempts = 5;
 164         for (int i = 0; i < CONCURRENCY; i++) {
 165             TestingThread thread = new TestingThread(String.valueOf(i), attempts);
 166             threads.add(thread);
 167             thread.start();
 168         }
 169
 170         for (TestingThread thread : threads) {
 171             thread.join();
 172             if(thread.thrownException.isPresent()) {
 173                 Exception exception = thread.thrownException.get();
 174                 logger.error("Thread for testing client failed", exception);
 175                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 176             }
 177         }
 178     }
 179
 180     @Test(timeout = 30 * 1000)
 181     public void synchronizationTest() throws Exception {
 182         new BlockingThread("foo").run2();
 183     }
 184
 185     @Test(timeout = 30 * 1000)
 186     public void multipleBlockingClients() throws Exception {
 187         List<BlockingThread> threads = new ArrayList<>();
 188         for (int i = 0; i < CONCURRENCY; i++) {
 189             BlockingThread thread = new BlockingThread(String.valueOf(i));
 190             threads.add(thread);
 191             thread.start();
 192         }
 193
 194         for (BlockingThread thread : threads) {
 195             thread.join();
 196             if(thread.thrownException.isPresent()) {
 197                 Exception exception = thread.thrownException.get();
 198                 logger.error("Thread for testing client failed", exception);
 199                 fail("Client thread " + thread + " failed: " + exception.getMessage());
 200             }
 201         }
 202     }
 203
 204     class BlockingThread extends Thread {
 205         private Optional<Exception> thrownException;
 206
 207         public BlockingThread(String name) {
 208             super("client-" + name);
 209         }
 210
 211         @Override
 212         public void run() {
 213             try {
 214                 run2();
 215                 thrownException = Optional.absent();
 216             } catch (Exception e) {
 217                 thrownException = Optional.of(e);
 218             }
 219         }
 220
 221         private void run2() throws Exception {
 222             InputStream clientHello = checkNotNull(XmlFileLoader
 223                     .getResourceAsStream("netconfMessages/client_hello.xml"));
 224             InputStream getConfig = checkNotNull(XmlFileLoader.getResourceAsStream("netconfMessages/getConfig.xml"));
 225
 226             Socket clientSocket = new Socket(netconfAddress.getHostString(), netconfAddress.getPort());
 227             DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
 228             InputStreamReader inFromServer = new InputStreamReader(clientSocket.getInputStream());
 229
 230             StringBuffer sb = new StringBuffer();
 231             while (sb.toString().endsWith("]]>]]>") == false) {
 232                 sb.append((char) inFromServer.read());
 233             }
 234             logger.info(sb.toString());
 235
 236             outToServer.write(IOUtils.toByteArray(clientHello));
 237             outToServer.write("]]>]]>".getBytes());
 238             outToServer.flush();
 239             // Thread.sleep(100);
 240             outToServer.write(IOUtils.toByteArray(getConfig));
 241             outToServer.write("]]>]]>".getBytes());
 242             outToServer.flush();
 243             Thread.sleep(100);
 244             sb = new StringBuffer();
 245             while (sb.toString().endsWith("]]>]]>") == false) {
 246                 sb.append((char) inFromServer.read());
 247             }
 248             logger.info(sb.toString());
 249             clientSocket.close();
 250         }
 251     }
 252
 253     class TestingThread extends Thread {
 254
 255         private final String clientId;
 256         private final int attempts;
 257         private Optional<Exception> thrownException;
 258
 259         TestingThread(String clientId, int attempts) {
 260             this.clientId = clientId;
 261             this.attempts = attempts;
 262             setName("client-" + clientId);
 263         }
 264
 265         @Override
 266         public void run() {
 267             try {
 268                 final TestingNetconfClient netconfClient = new TestingNetconfClient(clientId, netconfAddress, netconfClientDispatcher);
 269                 long sessionId = netconfClient.getSessionId();
 270                 logger.info("Client with sessionid {} hello exchanged", sessionId);
 271
 272                 final NetconfMessage getMessage = XmlFileLoader
 273                         .xmlFileToNetconfMessage("netconfMessages/getConfig.xml");
 274                 NetconfMessage result = netconfClient.sendRequest(getMessage).get();
 275                 logger.info("Client with sessionid {} got result {}", sessionId, result);
 276                 netconfClient.close();
 277                 logger.info("Client with session id {} ended", sessionId);
 278                 thrownException = Optional.absent();
 279             } catch (final Exception e) {
 280                 thrownException = Optional.of(e);
 281             }
 282         }
 283     }
 284 }