openflowplugin/src/test/java/org/opendaylight/openflowplugin/openflow/md/core/ConnectionConductorImplTest.java

   1 /**
   2  * Copyright (c) 2013-2014 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.openflowplugin.openflow.md.core;
  10
  11 import static org.junit.Assert.assertNotNull;
  12
  13 import java.math.BigInteger;
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.HashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Stack;
  20 import java.util.concurrent.CountDownLatch;
  21 import java.util.concurrent.ScheduledThreadPoolExecutor;
  22 import java.util.concurrent.TimeUnit;
  23 import org.junit.After;
  24 import org.junit.Assert;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27 import org.junit.runner.RunWith;
  28 import org.mockito.ArgumentCaptor;
  29 import org.mockito.Matchers;
  30 import org.mockito.Mock;
  31 import org.mockito.Mockito;
  32 import org.mockito.runners.MockitoJUnitRunner;
  33 import org.opendaylight.openflowplugin.api.OFConstants;
  34 import org.opendaylight.openflowplugin.api.openflow.connection.HandshakeContext;
  35 import org.opendaylight.openflowplugin.api.openflow.md.core.ConnectionConductor;
  36 import org.opendaylight.openflowplugin.api.openflow.md.core.IMDMessageTranslator;
  37 import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
  38 import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
  39 import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionContext;
  40 import org.opendaylight.openflowplugin.api.openflow.md.queue.PopListener;
  41 import org.opendaylight.openflowplugin.api.openflow.statistics.MessageSpy;
  42 import org.opendaylight.openflowplugin.openflow.md.core.plan.ConnectionAdapterStackImpl;
  43 import org.opendaylight.openflowplugin.openflow.md.core.plan.EventFactory;
  44 import org.opendaylight.openflowplugin.openflow.md.core.plan.SwitchTestEvent;
  45 import org.opendaylight.openflowplugin.openflow.md.queue.QueueProcessorLightImpl;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Capabilities;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeatures;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortReason;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoRequestMessageBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessage;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessageBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessage;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessageBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutputBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloMessageBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessageBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatus;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessageBuilder;
  64 import org.opendaylight.yangtools.yang.binding.DataContainer;
  65 import org.opendaylight.yangtools.yang.binding.DataObject;
  66 import org.slf4j.Logger;
  67 import org.slf4j.LoggerFactory;
  68
  69 @RunWith(MockitoJUnitRunner.class)
  70 public class ConnectionConductorImplTest {
  71
  72     protected static final Logger LOG = LoggerFactory
  73             .getLogger(ConnectionConductorImplTest.class);
  74
  75     /**
  76      * in [ms]
  77      */
  78     private final int maxProcessingTimeout = 500;
  79
  80     protected ConnectionAdapterStackImpl adapter;
  81     private ConnectionConductorImpl connectionConductor;
  82     private MDController controller;
  83     private Stack<SwitchTestEvent> eventPlan;
  84
  85     private Thread libSimulation;
  86     private final ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(
  87             8);
  88
  89     protected QueueProcessorLightImpl queueProcessor;
  90
  91     private PopListenerCountingImpl<DataObject> popListener;
  92
  93     private int experimenterMessageCounter;
  94     private int packetinMessageCounter;
  95     private int flowremovedMessageCounter;
  96     private int portstatusAddMessageCounter;
  97     private int portstatusDeleteMessageCounter;
  98     private int portstatusModifyMessageCounter;
  99     private int errorMessageCounter;
 100
 101     @Mock
 102     private ErrorHandlerSimpleImpl errorHandler;
 103
 104     private final int expectedErrors = 0;
 105     @Mock
 106     private MessageSpy<DataContainer> messageSpy;
 107     @Mock
 108     HandshakeContext handshakeContext;
 109     private ErrorMessageService objErms;
 110
 111     public void incrExperimenterMessageCounter() {
 112         this.experimenterMessageCounter++;
 113     }
 114
 115     public void incrPacketinMessageCounter() {
 116         this.packetinMessageCounter++;
 117     }
 118
 119     public void incrFlowremovedMessageCounter() {
 120         this.flowremovedMessageCounter++;
 121     }
 122
 123     public void incrPortstatusAddMessageCounter() {
 124         this.portstatusAddMessageCounter++;
 125     }
 126
 127     public void incrPortstatusDeleteMessageCounter() {
 128         this.portstatusDeleteMessageCounter++;
 129     }
 130
 131     public void incrPortstatusModifyMessageCounter() {
 132         this.portstatusModifyMessageCounter++;
 133     }
 134
 135     public void incrErrorMessageCounter() {
 136         this.errorMessageCounter++;
 137     }
 138
 139     @Test
 140     /**
 141      * Test for ConnectionConductorFactory#createConductor
 142      */
 143     public void testCreateConductor() {
 144         ConnectionConductor connectionConductor = ConnectionConductorFactory.createConductor(adapter, queueProcessor);
 145         assertNotNull(connectionConductor);
 146     }
 147
 148     /**
 149      * @throws java.lang.Exception
 150      */
 151     @Before
 152     public void setUp() throws Exception {
 153         adapter = new ConnectionAdapterStackImpl();
 154
 155         popListener = new PopListenerCountingImpl<>();
 156
 157         controller = new MDController();
 158         controller.init();
 159         controller.getMessageTranslators().putAll(assembleTranslatorMapping());
 160
 161         queueProcessor = new QueueProcessorLightImpl();
 162         queueProcessor.setMessageSpy(messageSpy);
 163         queueProcessor.setPopListenersMapping(assemblePopListenerMapping());
 164         queueProcessor.setTranslatorMapping(controller.getMessageTranslators());
 165         queueProcessor.init();
 166
 167         connectionConductor = new ConnectionConductorImpl(adapter);
 168         connectionConductor.setQueueProcessor(queueProcessor);
 169         connectionConductor.setErrorHandler(errorHandler);
 170         connectionConductor.init();
 171         connectionConductor.setHandshakeContext(handshakeContext);
 172         eventPlan = new Stack<>();
 173         adapter.setEventPlan(eventPlan);
 174         adapter.setProceedTimeout(5000L);
 175         adapter.checkListeners();
 176     }
 177
 178     /**
 179      * @return
 180      */
 181     private Map<Class<? extends DataObject>, Collection<PopListener<DataObject>>> assemblePopListenerMapping() {
 182         Map<Class<? extends DataObject>, Collection<PopListener<DataObject>>> mapping = new HashMap<>();
 183         Collection<PopListener<DataObject>> popListenerBag = new ArrayList<>();
 184         popListenerBag.add(popListener);
 185         //TODO: add testing registered types
 186         mapping.put(DataObject.class, popListenerBag);
 187         return mapping;
 188     }
 189
 190     /**
 191      * @throws java.lang.Exception
 192      */
 193     @After
 194     public void tearDown() throws Exception {
 195         if (libSimulation != null) {
 196             libSimulation.join();
 197         }
 198         queueProcessor.shutdown();
 199         connectionConductor.getHsPool().shutdown();
 200
 201         for (Exception problem : adapter.getOccuredExceptions()) {
 202             LOG.error("during simulation on adapter side: "
 203                     + problem.getMessage());
 204         }
 205         Assert.assertEquals(0, adapter.getOccuredExceptions().size());
 206         adapter = null;
 207         if (LOG.isDebugEnabled()) {
 208             if (eventPlan.size() > 0) {
 209                 LOG.debug("eventPlan size: " + eventPlan.size());
 210                 for (SwitchTestEvent event : eventPlan) {
 211                     LOG.debug(" # EVENT:: " + event);
 212                 }
 213             }
 214         }
 215         Assert.assertTrue("plan is not finished", eventPlan.isEmpty());
 216         eventPlan = null;
 217         controller = null;
 218
 219         // logging errors if occurred
 220         ArgumentCaptor<Throwable> errorCaptor = ArgumentCaptor.forClass(Throwable.class);
 221         Mockito.verify(errorHandler, Mockito.atMost(1)).handleException(
 222                 errorCaptor.capture(), Matchers.any(SessionContext.class));
 223         for (Throwable problem : errorCaptor.getAllValues()) {
 224             LOG.warn(problem.getMessage(), problem);
 225         }
 226
 227         Mockito.verify(errorHandler, Mockito.times(expectedErrors)).handleException(
 228                 Matchers.any(Throwable.class), Matchers.any(SessionContext.class));
 229     }
 230
 231     /**
 232      * Test method for
 233      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#onEchoRequestMessage(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoRequestMessage)}
 234      * .
 235      *
 236      * @throws Exception
 237      */
 238     @Test
 239     public void testOnEchoRequestMessage() throws Exception {
 240         simulateV13PostHandshakeState(connectionConductor);
 241
 242         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(42L,
 243                 EventFactory.DEFAULT_VERSION, new EchoRequestMessageBuilder()));
 244         eventPlan.add(0,
 245                 EventFactory.createDefaultWaitForRpcEvent(42, "echoReply"));
 246         executeNow();
 247     }
 248
 249     /**
 250      * Test of handshake, covering version negotiation and features.
 251      * Switch delivers first helloMessage with default version.
 252      *
 253      * @throws Exception
 254      */
 255     @Test
 256     public void testHandshake1() throws Exception {
 257         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(42L,
 258                 EventFactory.DEFAULT_VERSION, new HelloMessageBuilder()));
 259         eventPlan.add(0, EventFactory.createDefaultWaitForAllEvent(
 260                 EventFactory.createDefaultWaitForRpcEvent(43, "helloReply"),
 261                 EventFactory.createDefaultWaitForRpcEvent(44, "getFeatures")));
 262         eventPlan.add(0, EventFactory.createDefaultRpcResponseEvent(44,
 263                 EventFactory.DEFAULT_VERSION, getFeatureResponseMsg()));
 264
 265         int i = 1;
 266         executeNow();
 267
 268         Assert.assertEquals(ConnectionConductor.CONDUCTOR_STATE.WORKING,
 269                 connectionConductor.getConductorState());
 270         Assert.assertEquals((short) 0x04, connectionConductor.getVersion()
 271                 .shortValue());
 272     }
 273
 274     /**
 275      * Test of handshake, covering version negotiation and features.
 276      * Controller sends first helloMessage with default version
 277      *
 278      * @throws Exception
 279      */
 280     @Test
 281     public void testHandshake1SwitchStarts() throws Exception {
 282         eventPlan.add(0, EventFactory.createConnectionReadyCallback(connectionConductor));
 283         eventPlan.add(0, EventFactory.createDefaultWaitForRpcEvent(21, "helloReply"));
 284         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(42L,
 285                 EventFactory.DEFAULT_VERSION, new HelloMessageBuilder()));
 286         eventPlan.add(0, EventFactory.createDefaultWaitForRpcEvent(43, "getFeatures"));
 287         eventPlan.add(0, EventFactory.createDefaultRpcResponseEvent(43,
 288                 EventFactory.DEFAULT_VERSION, getFeatureResponseMsg()));
 289
 290         executeNow();
 291
 292         Assert.assertEquals(ConnectionConductor.CONDUCTOR_STATE.WORKING,
 293                 connectionConductor.getConductorState());
 294         Assert.assertEquals((short) 0x04, connectionConductor.getVersion()
 295                 .shortValue());
 296     }
 297
 298     /**
 299      * Test of handshake, covering version negotiation and features.
 300      * Switch delivers first helloMessage with version 0x05
 301      * and negotiates following versions: 0x03, 0x01
 302      *
 303      * @throws Exception
 304      */
 305     @Test
 306     public void testHandshake2() throws Exception {
 307         connectionConductor.setBitmapNegotiationEnable(false);
 308         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(42L,
 309                 (short) 0x05, new HelloMessageBuilder()));
 310         eventPlan.add(0,
 311                 EventFactory.createDefaultWaitForRpcEvent(43, "helloReply"));
 312         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(43L,
 313                 (short) 0x03, new HelloMessageBuilder()));
 314         eventPlan.add(0,
 315                 EventFactory.createDefaultWaitForRpcEvent(44, "helloReply"));
 316         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(44L,
 317                 (short) 0x01, new HelloMessageBuilder()));
 318         eventPlan.add(0,
 319                 EventFactory.createDefaultWaitForRpcEvent(45, "getFeatures"));
 320
 321         eventPlan.add(0, EventFactory.createDefaultRpcResponseEvent(45,
 322                 (short) 0x01, getFeatureResponseMsg()));
 323
 324         executeNow();
 325
 326         Assert.assertEquals(ConnectionConductor.CONDUCTOR_STATE.WORKING,
 327                 connectionConductor.getConductorState());
 328         Assert.assertEquals((short) 0x01, connectionConductor.getVersion()
 329                 .shortValue());
 330     }
 331
 332     /**
 333      * Test of handshake, covering version negotiation and features.
 334      * Controller sends first helloMessage with default version
 335      * and switch negotiates following versions: 0x05, 0x03, 0x01
 336      *
 337      * @throws Exception
 338      */
 339     @Test
 340     public void testHandshake2SwitchStarts() throws Exception {
 341         connectionConductor.setBitmapNegotiationEnable(false);
 342         eventPlan.add(0, EventFactory.createConnectionReadyCallback(connectionConductor));
 343         eventPlan.add(0,
 344                 EventFactory.createDefaultWaitForRpcEvent(21, "helloReply"));
 345         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(42L,
 346                 (short) 0x05, new HelloMessageBuilder()));
 347         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(43L,
 348                 (short) 0x03, new HelloMessageBuilder()));
 349         eventPlan.add(0,
 350                 EventFactory.createDefaultWaitForRpcEvent(44, "helloReply"));
 351         eventPlan.add(0, EventFactory.createDefaultNotificationEvent(44L,
 352                 (short) 0x01, new HelloMessageBuilder()));
 353         eventPlan.add(0,
 354                 EventFactory.createDefaultWaitForRpcEvent(45, "getFeatures"));
 355
 356         eventPlan.add(0, EventFactory.createDefaultRpcResponseEvent(45,
 357                 (short) 0x01, getFeatureResponseMsg()));
 358
 359         executeNow();
 360
 361         Assert.assertEquals(ConnectionConductor.CONDUCTOR_STATE.WORKING,
 362                 connectionConductor.getConductorState());
 363         Assert.assertEquals((short) 0x01, connectionConductor.getVersion()
 364                 .shortValue());
 365     }
 366
 367     /**
 368      * Test method for
 369      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#onFlowRemovedMessage(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemovedMessage)}
 370      * .
 371      *
 372      * @throws InterruptedException
 373      */
 374     @Test
 375     public void testOnFlowRemovedMessage() throws InterruptedException {
 376         FlowRemovedMessageService objFms = new FlowRemovedMessageService();
 377         controller.addMessageTranslator(FlowRemovedMessage.class, 4, objFms);
 378
 379         simulateV13PostHandshakeState(connectionConductor);
 380         objFms.resetLatch(2);
 381
 382         // Now send Flow Removed messages
 383         FlowRemovedMessageBuilder builder1 = new FlowRemovedMessageBuilder();
 384         builder1.setVersion((short) 4);
 385         builder1.setXid(1L);
 386         connectionConductor.onFlowRemovedMessage(builder1.build());
 387             LOG.debug("about to wait for popListener");
 388         builder1.setXid(2L);
 389         connectionConductor.onFlowRemovedMessage(builder1.build());
 390
 391         flushMessageProcessing();
 392         Assert.assertTrue(objFms.await(maxProcessingTimeout, TimeUnit.MILLISECONDS));
 393         Assert.assertEquals(2, flowremovedMessageCounter);
 394     }
 395
 396     /**
 397      * Test method for
 398      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#onMultipartReplyMessage(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReplyMessage)}
 399      * .
 400      */
 401     @Test
 402     public void testOnMultipartReplyMessage() {
 403         // fail("Not yet implemented");
 404         // TODO:: add test
 405     }
 406
 407     /**
 408      * Test method for
 409      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#onPacketInMessage(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage)}
 410      * .
 411      *
 412      * @throws InterruptedException
 413      */
 414     @Test
 415     public void testOnPacketInMessage() throws InterruptedException {
 416         PacketInMessageService objPms = new PacketInMessageService();
 417         controller.addMessageTranslator(PacketInMessage.class, 4, objPms);
 418
 419         simulateV13PostHandshakeState(connectionConductor);
 420
 421         // Now send PacketIn
 422         PacketInMessageBuilder builder1 = new PacketInMessageBuilder();
 423         builder1.setVersion((short) 4);
 424         builder1.setBufferId((long) 1);
 425         connectionConductor.onPacketInMessage(builder1.build());
 426         builder1.setBufferId((long) 2);
 427         connectionConductor.onPacketInMessage(builder1.build());
 428
 429         flushMessageProcessing();
 430         Assert.assertTrue(objPms.await(maxProcessingTimeout, TimeUnit.MILLISECONDS));
 431         Assert.assertEquals(2, packetinMessageCounter);
 432     }
 433
 434     /**
 435      * Test method for
 436      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#onPortStatusMessage(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage)}
 437      * .
 438      *
 439      * @throws InterruptedException
 440      */
 441     @Test
 442     public void testOnPortStatusMessage() throws InterruptedException {
 443         PortStatusMessageService objPSms = new PortStatusMessageService();
 444         controller.addMessageTranslator(PortStatusMessage.class, 4, objPSms);
 445
 446         simulateV13PostHandshakeState(connectionConductor);
 447
 448         // Send Port Status messages
 449         PortStatusMessageBuilder builder1 = new PortStatusMessageBuilder();
 450         builder1.setVersion((short) 4);
 451         PortFeatures features = new PortFeatures(true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false);
 452         builder1.setPortNo(90L).setReason(PortReason.OFPPRADD).setCurrentFeatures(features);
 453         objPSms.resetLatch(3);
 454         LOG.debug("sending port message");
 455         connectionConductor.onPortStatusMessage(builder1.build());
 456         builder1.setPortNo(90L).setReason(PortReason.OFPPRMODIFY).setCurrentFeatures(features);
 457         connectionConductor.onPortStatusMessage(builder1.build());
 458         builder1.setPortNo(90L).setReason(PortReason.OFPPRDELETE).setCurrentFeatures(features);
 459         connectionConductor.onPortStatusMessage(builder1.build());
 460
 461         flushMessageProcessing();
 462         Assert.assertTrue(objPSms.await(maxProcessingTimeout, TimeUnit.MILLISECONDS));
 463         Assert.assertEquals(1, portstatusModifyMessageCounter);
 464         Assert.assertEquals(1, portstatusAddMessageCounter);
 465         Assert.assertEquals(1, portstatusDeleteMessageCounter);
 466     }
 467
 468     private void flushMessageProcessing() throws InterruptedException {
 469         // make sure that harvester sleeps deeply
 470         Thread.sleep(maxProcessingTimeout);
 471         // flushing messages
 472         queueProcessor.getHarvesterHandle().ping();
 473     }
 474
 475     /**
 476      * @throws InterruptedException
 477      */
 478     private void executeLater() throws InterruptedException {
 479         execute(false);
 480     }
 481
 482     /**
 483      * @throws InterruptedException
 484      */
 485     private void executeNow() throws InterruptedException {
 486         execute(true);
 487         connectionConductor.getHsPool().shutdown();
 488     }
 489
 490     /**
 491      * @throws InterruptedException
 492      */
 493     private void execute(final boolean join) throws InterruptedException {
 494         libSimulation = new Thread(adapter, "junit-adapter");
 495         libSimulation.start();
 496         if (join) {
 497             libSimulation.join();
 498         }
 499     }
 500
 501     private static GetFeaturesOutputBuilder getFeatureResponseMsg() {
 502         GetFeaturesOutputBuilder getFeaturesOutputBuilder = new GetFeaturesOutputBuilder();
 503         getFeaturesOutputBuilder.setDatapathId(new BigInteger("102030405060"));
 504         getFeaturesOutputBuilder.setAuxiliaryId((short) 0);
 505         getFeaturesOutputBuilder.setBuffers(4L);
 506         getFeaturesOutputBuilder.setReserved(0L);
 507         getFeaturesOutputBuilder.setTables((short) 2);
 508         getFeaturesOutputBuilder.setCapabilities(createCapabilities(84));
 509
 510         return getFeaturesOutputBuilder;
 511     }
 512
 513     /**
 514      * @return
 515      */
 516     private static Capabilities createCapabilities(final long input) {
 517         final Boolean FLOW_STATS = (input & (1 << 0)) != 0;
 518         final Boolean TABLE_STATS = (input & (1 << 1)) != 0;
 519         final Boolean PORT_STATS = (input & (1 << 2)) != 0;
 520         final Boolean GROUP_STATS = (input & (1 << 3)) != 0;
 521         final Boolean IP_REASM = (input & (1 << 5)) != 0;
 522         final Boolean QUEUE_STATS = (input & (1 << 6)) != 0;
 523         final Boolean PORT_BLOCKED = (input & (1 << 8)) != 0;
 524         Capabilities capabilities = new Capabilities(FLOW_STATS, GROUP_STATS, IP_REASM,
 525                 PORT_BLOCKED, PORT_STATS, QUEUE_STATS, TABLE_STATS);
 526         return capabilities;
 527     }
 528
 529     public abstract class ProcessingLatchService {
 530         private CountDownLatch processingLatch = new CountDownLatch(0);
 531
 532         public void resetLatch(int passAmount) {
 533             processingLatch = new CountDownLatch(passAmount);
 534         }
 535
 536         protected void countDown() {
 537             processingLatch.countDown();
 538         }
 539
 540         public boolean await(long timeout, TimeUnit unit) throws InterruptedException {
 541             return processingLatch.await(timeout, unit);
 542         }
 543     }
 544
 545     public class ExperimenterMessageService implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 546         @Override
 547         public List<DataObject> translate(final SwitchConnectionDistinguisher cookie, final SessionContext sw, final OfHeader msg) {
 548             LOG.debug("Received a packet in Experimenter Service");
 549             ConnectionConductorImplTest.this.incrExperimenterMessageCounter();
 550             return null;
 551         }
 552     }
 553
 554     public class PacketInMessageService extends ProcessingLatchService implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 555         @Override
 556         public List<DataObject> translate(final SwitchConnectionDistinguisher cookie, final SessionContext sw, final OfHeader msg) {
 557             LOG.debug("Received a packet in PacketIn Service");
 558             ConnectionConductorImplTest.this.incrPacketinMessageCounter();
 559             countDown();
 560             return null;
 561         }
 562     }
 563
 564     public class FlowRemovedMessageService extends ProcessingLatchService implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 565         @Override
 566         public List<DataObject> translate(final SwitchConnectionDistinguisher cookie, final SessionContext sw, final OfHeader msg) {
 567             LOG.debug("Received a packet in FlowRemoved Service");
 568             ConnectionConductorImplTest.this.incrFlowremovedMessageCounter();
 569             countDown();
 570             return null;
 571         }
 572     }
 573
 574     public class PortStatusMessageService extends ProcessingLatchService implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 575         @Override
 576         public List<DataObject> translate(final SwitchConnectionDistinguisher cookie, final SessionContext sw, final OfHeader msg) {
 577             LOG.debug("Received a packet in PortStatus Service");
 578             if ((((PortStatusMessage) msg).getReason().equals(PortReason.OFPPRADD))) {
 579                 ConnectionConductorImplTest.this.incrPortstatusAddMessageCounter();
 580             } else if (((PortStatusMessage) msg).getReason().equals(PortReason.OFPPRDELETE)) {
 581                 ConnectionConductorImplTest.this.incrPortstatusDeleteMessageCounter();
 582             } else if (((PortStatusMessage) msg).getReason().equals(PortReason.OFPPRMODIFY)) {
 583                 ConnectionConductorImplTest.this.incrPortstatusModifyMessageCounter();
 584             }
 585             countDown();
 586             return null;
 587         }
 588     }
 589
 590     public class ErrorMessageService extends ProcessingLatchService implements IMDMessageTranslator<OfHeader, List<DataObject>> {
 591         @Override
 592         public List<DataObject> translate(final SwitchConnectionDistinguisher cookie, final SessionContext sw, final OfHeader msg) {
 593             LOG.debug("Received a packet in Experimenter Service");
 594             ConnectionConductorImplTest.this.incrErrorMessageCounter();
 595             countDown();
 596             return null;
 597         }
 598     }
 599
 600     /**
 601      * Test method for
 602      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#onExperimenterMessage(ExperimenterMessage)}
 603      * .
 604      *
 605      * @throws InterruptedException
 606      */
 607     @Test
 608     public void testOnErrorMessage() throws InterruptedException {
 609         simulateV13PostHandshakeState(connectionConductor);
 610         final int messageAmount = 2;
 611
 612         objErms.resetLatch(messageAmount);
 613         ErrorMessageBuilder builder1 = new ErrorMessageBuilder();
 614         builder1.setVersion((short) 4);
 615         builder1.setCode(100);
 616         connectionConductor.onErrorMessage(builder1.build());
 617         builder1.setCode(200);
 618         connectionConductor.onErrorMessage(builder1.build());
 619
 620         flushMessageProcessing();
 621         Assert.assertTrue(objErms.await(maxProcessingTimeout, TimeUnit.MILLISECONDS));
 622         Assert.assertEquals(messageAmount, errorMessageCounter);
 623     }
 624
 625     /**
 626      * @return listener mapping for:
 627      * <ul>
 628      * <li>experimenter</li>
 629      * <li>error</li>
 630      * </ul>
 631      */
 632     private Map<TranslatorKey, Collection<IMDMessageTranslator<OfHeader, List<DataObject>>>> assembleTranslatorMapping() {
 633         Map<TranslatorKey, Collection<IMDMessageTranslator<OfHeader, List<DataObject>>>> translatorMapping = new HashMap<>();
 634         TranslatorKey tKey;
 635
 636         IMDMessageTranslator<OfHeader, List<DataObject>> objEms = new ExperimenterMessageService();
 637         Collection<IMDMessageTranslator<OfHeader, List<DataObject>>> existingValues = new ArrayList<>();
 638         existingValues.add(objEms);
 639         tKey = new TranslatorKey(4, ExperimenterMessage.class.getName());
 640         translatorMapping.put(tKey, existingValues);
 641         objErms = new ErrorMessageService();
 642         existingValues.add(objErms);
 643         tKey = new TranslatorKey(4, ErrorMessage.class.getName());
 644         translatorMapping.put(tKey, existingValues);
 645         return translatorMapping;
 646     }
 647
 648     /**
 649      * Test method for
 650      * {@link org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductorImpl#processPortStatusMsg(PortStatus)}
 651      * <br><br>
 652      * Tests for getting features from port status message by port version
 653      * <ul>
 654      * <li>features are malformed - one of them is null</li>
 655      * <li>mismatch between port version and port features</li>
 656      * <li>mismatch between port version and port features</li>
 657      * <li>non-existing port version</li>
 658      * <li>port version OF 1.0</li>
 659      * <li>port version OF 1.3</li>
 660      * </ul>
 661      */
 662     @Test
 663     public void testProcessPortStatusMsg() {
 664         simulateV13PostHandshakeState(connectionConductor);
 665
 666         long portNumber = 90L;
 667         long portNumberV10 = 91L;
 668         PortStatusMessage msg;
 669
 670         PortStatusMessageBuilder builder = new PortStatusMessageBuilder();
 671         PortFeatures features = new PortFeatures(true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false);
 672         PortFeatures featuresMal = new PortFeatures(true, false, false, false, null, false, false, false, false, false, false, false, false, false, false, false);
 673         PortFeaturesV10 featuresV10 = new PortFeaturesV10(true, false, false, false, false, false, false, false, false, false, false, false);
 674
 675         //Malformed features
 676         builder.setVersion((short) 1).setPortNo(portNumber).setReason(PortReason.OFPPRADD).setCurrentFeatures(featuresMal);
 677         connectionConductor.processPortStatusMsg(builder.build());
 678         Assert.assertTrue(connectionConductor.getSessionContext().getPortsBandwidth().isEmpty());
 679         Assert.assertTrue(connectionConductor.getSessionContext().getPhysicalPorts().isEmpty());
 680
 681         //Version-features mismatch
 682         builder.setCurrentFeatures(features);
 683         connectionConductor.processPortStatusMsg(builder.build());
 684         Assert.assertTrue(connectionConductor.getSessionContext().getPortsBandwidth().isEmpty());
 685         Assert.assertTrue(connectionConductor.getSessionContext().getPhysicalPorts().isEmpty());
 686
 687         //Non existing version
 688         builder.setVersion((short) 0);
 689         connectionConductor.processPortStatusMsg(builder.build());
 690         Assert.assertTrue(connectionConductor.getSessionContext().getPortsBandwidth().isEmpty());
 691         Assert.assertTrue(connectionConductor.getSessionContext().getPhysicalPorts().isEmpty());
 692
 693         //Version OF 1.3
 694         builder.setVersion((short) 4);
 695         msg = builder.build();
 696         connectionConductor.processPortStatusMsg(builder.build());
 697         Assert.assertTrue(connectionConductor.getSessionContext().getPortBandwidth(portNumber));
 698         Assert.assertEquals(connectionConductor.getSessionContext().getPhysicalPort(portNumber), msg);
 699
 700         //Version OF 1.0
 701         builder.setVersion((short) 1).setPortNo(portNumberV10).setCurrentFeatures(null).setCurrentFeaturesV10(featuresV10);
 702         msg = builder.build();
 703         connectionConductor.processPortStatusMsg(builder.build());
 704         Assert.assertTrue(connectionConductor.getSessionContext().getPortBandwidth(portNumberV10));
 705         Assert.assertEquals(connectionConductor.getSessionContext().getPhysicalPort(portNumberV10), msg);
 706     }
 707
 708
 709     @Test
 710     public void testHandshakeFailOperations(){
 711         connectionConductor.onHandshakeFailure();
 712         connectionConductor.checkState(ConnectionConductor.CONDUCTOR_STATE.RIP);
 713     }
 714     private static void simulateV13PostHandshakeState(final ConnectionConductorImpl conductor) {
 715         GetFeaturesOutputBuilder featureOutput = getFeatureResponseMsg();
 716         conductor.postHandshakeBasic(featureOutput.build(), OFConstants.OFP_VERSION_1_3);
 717         LOG.debug("simulating post handshake event done");
 718     }
 719 }