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