tom | 9ccd781 | 2014-08-25 22:43:19 -0700 | [diff] [blame^] | 1 | package org.onlab.onos.of.controller.impl.internal; |
alshabib | 3b554cf | 2014-08-18 11:19:50 -0500 | [diff] [blame] | 2 | |
| 3 | import static org.easymock.EasyMock.capture; |
| 4 | import static org.easymock.EasyMock.createMock; |
| 5 | import static org.easymock.EasyMock.expect; |
| 6 | import static org.easymock.EasyMock.expectLastCall; |
| 7 | import static org.easymock.EasyMock.replay; |
| 8 | import static org.easymock.EasyMock.reset; |
| 9 | import static org.easymock.EasyMock.verify; |
| 10 | import static org.junit.Assert.assertEquals; |
| 11 | import static org.junit.Assert.assertFalse; |
| 12 | import static org.junit.Assert.assertTrue; |
| 13 | |
| 14 | import java.io.IOException; |
| 15 | import java.util.ArrayList; |
| 16 | import java.util.Collections; |
| 17 | import java.util.HashSet; |
| 18 | import java.util.List; |
| 19 | import java.util.Set; |
| 20 | |
tom | 9ccd781 | 2014-08-25 22:43:19 -0700 | [diff] [blame^] | 21 | import org.onlab.onos.of.controller.impl.IOFSwitch; |
| 22 | import org.onlab.onos.of.controller.impl.Role; |
| 23 | import org.onlab.onos.of.controller.impl.debugcounter.DebugCounter; |
| 24 | import org.onlab.onos.of.controller.impl.debugcounter.IDebugCounterService; |
| 25 | import org.onlab.onos.of.controller.impl.internal.OFChannelHandler.RoleRecvStatus; |
alshabib | 3b554cf | 2014-08-18 11:19:50 -0500 | [diff] [blame] | 26 | |
| 27 | import org.easymock.Capture; |
| 28 | import org.easymock.CaptureType; |
| 29 | import org.jboss.netty.channel.Channel; |
| 30 | import org.jboss.netty.channel.ChannelHandlerContext; |
| 31 | import org.jboss.netty.channel.ChannelPipeline; |
| 32 | import org.jboss.netty.channel.ChannelStateEvent; |
| 33 | import org.jboss.netty.channel.ExceptionEvent; |
| 34 | import org.jboss.netty.channel.MessageEvent; |
| 35 | import org.junit.After; |
| 36 | import org.junit.Before; |
| 37 | import org.junit.Test; |
| 38 | import org.projectfloodlight.openflow.protocol.OFDescStatsReply; |
| 39 | import org.projectfloodlight.openflow.protocol.OFExperimenter; |
| 40 | import org.projectfloodlight.openflow.protocol.OFFactories; |
| 41 | import org.projectfloodlight.openflow.protocol.OFFactory; |
| 42 | import org.projectfloodlight.openflow.protocol.OFFeaturesReply; |
| 43 | import org.projectfloodlight.openflow.protocol.OFGetConfigReply; |
| 44 | import org.projectfloodlight.openflow.protocol.OFHelloElem; |
| 45 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 46 | import org.projectfloodlight.openflow.protocol.OFNiciraControllerRole; |
| 47 | import org.projectfloodlight.openflow.protocol.OFPacketIn; |
| 48 | import org.projectfloodlight.openflow.protocol.OFPacketInReason; |
| 49 | import org.projectfloodlight.openflow.protocol.OFPortDescStatsReply; |
| 50 | import org.projectfloodlight.openflow.protocol.OFSetConfig; |
| 51 | import org.projectfloodlight.openflow.protocol.OFStatsReply; |
| 52 | import org.projectfloodlight.openflow.protocol.OFStatsRequest; |
| 53 | import org.projectfloodlight.openflow.protocol.OFStatsType; |
| 54 | import org.projectfloodlight.openflow.protocol.OFType; |
| 55 | import org.projectfloodlight.openflow.protocol.OFVersion; |
| 56 | import org.projectfloodlight.openflow.types.DatapathId; |
| 57 | import org.projectfloodlight.openflow.types.U32; |
| 58 | |
| 59 | /** |
| 60 | * Channel handler deals with the switch connection and dispatches |
| 61 | * switch messages to the appropriate locations. These Unit Testing cases |
| 62 | * test the channeler state machine and role changer. In the first release, |
| 63 | * we will focus on OF version 1.0. we will add the testing case for |
| 64 | * version 1.3 later. |
| 65 | */ |
| 66 | public class OFChannelHandlerTest { |
| 67 | private Controller controller; |
| 68 | private IDebugCounterService debugCounterService; |
| 69 | private OFChannelHandler handler; |
| 70 | private Channel channel; |
| 71 | private ChannelHandlerContext ctx; |
| 72 | private MessageEvent messageEvent; |
| 73 | private ChannelStateEvent channelStateEvent; |
| 74 | private ChannelPipeline pipeline; |
| 75 | private Capture<ExceptionEvent> exceptionEventCapture; |
| 76 | private Capture<List<OFMessage>> writeCapture; |
| 77 | private OFFeaturesReply featuresReply; |
| 78 | private Set<Integer> seenXids = null; |
| 79 | private IOFSwitch swImplBase; |
| 80 | private OFVersion ofVersion = OFVersion.OF_10; |
| 81 | private OFFactory factory13; |
| 82 | private OFFactory factory10; |
| 83 | private OFFactory factory; |
| 84 | |
| 85 | @Before |
| 86 | public void setUp() throws Exception { |
| 87 | controller = createMock(Controller.class); |
| 88 | ctx = createMock(ChannelHandlerContext.class); |
| 89 | channelStateEvent = createMock(ChannelStateEvent.class); |
| 90 | channel = createMock(Channel.class); |
| 91 | messageEvent = createMock(MessageEvent.class); |
| 92 | exceptionEventCapture = new Capture<ExceptionEvent>(CaptureType.ALL); |
| 93 | pipeline = createMock(ChannelPipeline.class); |
| 94 | writeCapture = new Capture<List<OFMessage>>(CaptureType.ALL); |
| 95 | swImplBase = createMock(IOFSwitch.class); |
| 96 | seenXids = null; |
| 97 | factory13 = OFFactories.getFactory(OFVersion.OF_13); |
| 98 | factory10 = OFFactories.getFactory(OFVersion.OF_10); |
| 99 | factory = (ofVersion == OFVersion.OF_13) ? factory13 : factory10; |
| 100 | |
| 101 | // TODO: should mock IDebugCounterService and make sure |
| 102 | // the expected counters are updated. |
| 103 | debugCounterService = new DebugCounter(); |
| 104 | Controller.Counters counters = |
| 105 | new Controller.Counters(); |
| 106 | counters.createCounters(debugCounterService); |
| 107 | expect(controller.getCounters()).andReturn(counters).anyTimes(); |
| 108 | expect(controller.getOFMessageFactory10()).andReturn(factory10) |
| 109 | .anyTimes(); |
| 110 | expect(controller.getOFMessageFactory13()).andReturn(factory13) |
| 111 | .anyTimes(); |
| 112 | expect(controller.addConnectedSwitch(2000, handler)).andReturn(true) |
| 113 | .anyTimes(); |
| 114 | replay(controller); |
| 115 | handler = new OFChannelHandler(controller); |
| 116 | verify(controller); |
| 117 | reset(controller); |
| 118 | |
| 119 | resetChannel(); |
| 120 | |
| 121 | // replay controller. Reset it if you need more specific behavior |
| 122 | replay(controller); |
| 123 | |
| 124 | // replay switch. Reset it if you need more specific behavior |
| 125 | replay(swImplBase); |
| 126 | |
| 127 | // Mock ctx and channelStateEvent |
| 128 | expect(ctx.getChannel()).andReturn(channel).anyTimes(); |
| 129 | expect(channelStateEvent.getChannel()).andReturn(channel).anyTimes(); |
| 130 | replay(ctx, channelStateEvent); |
| 131 | |
| 132 | /* Setup an exception event capture on the channel. Right now |
| 133 | * we only expect exception events to be send up the channel. |
| 134 | * However, it's easy to extend to other events if we need it |
| 135 | */ |
| 136 | pipeline.sendUpstream(capture(exceptionEventCapture)); |
| 137 | expectLastCall().anyTimes(); |
| 138 | replay(pipeline); |
| 139 | featuresReply = (OFFeaturesReply) buildOFMessage(OFType.FEATURES_REPLY); |
| 140 | } |
| 141 | |
| 142 | @After |
| 143 | public void tearDown() { |
| 144 | /* ensure no exception was thrown */ |
| 145 | if (exceptionEventCapture.hasCaptured()) { |
| 146 | Throwable ex = exceptionEventCapture.getValue().getCause(); |
| 147 | throw new AssertionError("Unexpected exception: " + |
| 148 | ex.getClass().getName() + "(" + ex + ")"); |
| 149 | } |
| 150 | assertFalse("Unexpected messages have been captured", |
| 151 | writeCapture.hasCaptured()); |
| 152 | // verify all mocks. |
| 153 | verify(channel); |
| 154 | verify(messageEvent); |
| 155 | verify(controller); |
| 156 | verify(ctx); |
| 157 | verify(channelStateEvent); |
| 158 | verify(pipeline); |
| 159 | verify(swImplBase); |
| 160 | |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Reset the channel mock and set basic method call expectations. |
| 165 | * |
| 166 | **/ |
| 167 | void resetChannel() { |
| 168 | reset(channel); |
| 169 | expect(channel.getPipeline()).andReturn(pipeline).anyTimes(); |
| 170 | expect(channel.getRemoteAddress()).andReturn(null).anyTimes(); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * reset, setup, and replay the messageEvent mock for the given |
| 175 | * messages. |
| 176 | */ |
| 177 | void setupMessageEvent(List<OFMessage> messages) { |
| 178 | reset(messageEvent); |
| 179 | expect(messageEvent.getMessage()).andReturn(messages).atLeastOnce(); |
| 180 | replay(messageEvent); |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * reset, setup, and replay the messageEvent mock for the given |
| 185 | * messages, mock controller send message to channel handler. |
| 186 | * |
| 187 | * This method will reset, start replay on controller, and then verify |
| 188 | */ |
| 189 | void sendMessageToHandlerWithControllerReset(List<OFMessage> messages) |
| 190 | throws Exception { |
| 191 | verify(controller); |
| 192 | reset(controller); |
| 193 | |
| 194 | sendMessageToHandlerNoControllerReset(messages); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * reset, setup, and replay the messageEvent mock for the given |
| 199 | * messages, mock controller send message to channel handler. |
| 200 | * |
| 201 | * This method will start replay on controller, and then verify |
| 202 | */ |
| 203 | void sendMessageToHandlerNoControllerReset(List<OFMessage> messages) |
| 204 | throws Exception { |
| 205 | setupMessageEvent(messages); |
| 206 | |
| 207 | expect(controller.addConnectedSwitch(1000, handler)) |
| 208 | .andReturn(true).anyTimes(); |
| 209 | replay(controller); |
| 210 | |
| 211 | handler.messageReceived(ctx, messageEvent); |
| 212 | verify(controller); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Extract the list of OFMessages that was captured by the Channel.write() |
| 217 | * capture. Will check that something was actually captured first. We'll |
| 218 | * collapse the messages from multiple writes into a single list of |
| 219 | * OFMessages. |
| 220 | * Resets the channelWriteCapture. |
| 221 | */ |
| 222 | List<OFMessage> getMessagesFromCapture() { |
| 223 | List<OFMessage> msgs = new ArrayList<OFMessage>(); |
| 224 | |
| 225 | assertTrue("No write on channel was captured", |
| 226 | writeCapture.hasCaptured()); |
| 227 | List<List<OFMessage>> capturedVals = writeCapture.getValues(); |
| 228 | |
| 229 | for (List<OFMessage> oneWriteList: capturedVals) { |
| 230 | msgs.addAll(oneWriteList); |
| 231 | } |
| 232 | writeCapture.reset(); |
| 233 | return msgs; |
| 234 | } |
| 235 | |
| 236 | |
| 237 | /** |
| 238 | * Verify that the given exception event capture (as returned by |
| 239 | * getAndInitExceptionCapture) has thrown an exception of the given |
| 240 | * expectedExceptionClass. |
| 241 | * Resets the capture |
| 242 | */ |
| 243 | void verifyExceptionCaptured( |
| 244 | Class<? extends Throwable> expectedExceptionClass) { |
| 245 | assertTrue("Excpected exception not thrown", |
| 246 | exceptionEventCapture.hasCaptured()); |
| 247 | Throwable caughtEx = exceptionEventCapture.getValue().getCause(); |
| 248 | assertEquals(expectedExceptionClass, caughtEx.getClass()); |
| 249 | exceptionEventCapture.reset(); |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Make sure that the transaction ids in the given messages are |
| 254 | * not 0 and differ between each other. |
| 255 | * While it's not a defect per se if the xids are we want to ensure |
| 256 | * we use different ones for each message we send. |
| 257 | */ |
| 258 | void verifyUniqueXids(List<OFMessage> msgs) { |
| 259 | if (seenXids == null) { |
| 260 | seenXids = new HashSet<Integer>(); |
| 261 | } |
| 262 | for (OFMessage m: msgs) { |
| 263 | int xid = (int) m.getXid(); |
| 264 | assertTrue("Xid in messags is 0", xid != 0); |
| 265 | assertFalse("Xid " + xid + " has already been used", |
| 266 | seenXids.contains(xid)); |
| 267 | seenXids.add(xid); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | |
| 272 | |
| 273 | public void testInitState() throws Exception { |
| 274 | OFMessage m = buildOFMessage(OFType.HELLO); |
| 275 | |
| 276 | expect(messageEvent.getMessage()).andReturn(null); |
| 277 | replay(channel, messageEvent); |
| 278 | |
| 279 | // We don't expect to receive /any/ messages in init state since |
| 280 | // channelConnected moves us to a different state |
| 281 | sendMessageToHandlerWithControllerReset(Collections.singletonList(m)); |
| 282 | |
| 283 | verifyExceptionCaptured(SwitchStateException.class); |
| 284 | assertEquals(OFChannelHandler.ChannelState.INIT, |
| 285 | handler.getStateForTesting()); |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * move the channel from scratch to WAIT_HELLO state. |
| 290 | * |
| 291 | */ |
| 292 | @Test |
| 293 | public void moveToWaitHello() throws Exception { |
| 294 | resetChannel(); |
| 295 | channel.write(capture(writeCapture)); |
| 296 | expectLastCall().andReturn(null).once(); |
| 297 | replay(channel); |
| 298 | // replay unused mocks |
| 299 | replay(messageEvent); |
| 300 | |
| 301 | handler.channelConnected(ctx, channelStateEvent); |
| 302 | |
| 303 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 304 | assertEquals(1, msgs.size()); |
| 305 | assertEquals(OFType.HELLO, msgs.get(0).getType()); |
| 306 | assertEquals(OFChannelHandler.ChannelState.WAIT_HELLO, |
| 307 | handler.getStateForTesting()); |
| 308 | //Should verify that the Hello received from the controller |
| 309 | //is ALWAYS OF1.3 hello regardless of the switch version |
| 310 | assertEquals(OFVersion.OF_13, msgs.get(0).getVersion()); |
| 311 | verifyUniqueXids(msgs); |
| 312 | } |
| 313 | |
| 314 | |
| 315 | /** |
| 316 | * Move the channel from scratch to WAIT_FEATURES_REPLY state. |
| 317 | * Builds on moveToWaitHello(). |
| 318 | * adds testing for WAIT_HELLO state. |
| 319 | */ |
| 320 | @Test |
| 321 | public void moveToWaitFeaturesReply() throws Exception { |
| 322 | moveToWaitHello(); |
| 323 | resetChannel(); |
| 324 | channel.write(capture(writeCapture)); |
| 325 | expectLastCall().andReturn(null).atLeastOnce(); |
| 326 | replay(channel); |
| 327 | |
| 328 | OFMessage hello = buildOFMessage(OFType.HELLO); |
| 329 | sendMessageToHandlerWithControllerReset(Collections.singletonList(hello)); |
| 330 | |
| 331 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 332 | assertEquals(1, msgs.size()); |
| 333 | assertEquals(OFType.FEATURES_REQUEST, msgs.get(0).getType()); |
| 334 | if (ofVersion == OFVersion.OF_10) { |
| 335 | assertEquals(OFVersion.OF_10, msgs.get(0).getVersion()); |
| 336 | } |
| 337 | verifyUniqueXids(msgs); |
| 338 | |
| 339 | assertEquals(OFChannelHandler.ChannelState.WAIT_FEATURES_REPLY, |
| 340 | handler.getStateForTesting()); |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Move the channel from scratch to WAIT_CONFIG_REPLY state. |
| 345 | * Builds on moveToWaitFeaturesReply. |
| 346 | * adds testing for WAIT_FEATURES_REPLY state. |
| 347 | */ |
| 348 | @Test |
| 349 | public void moveToWaitConfigReply() throws Exception { |
| 350 | moveToWaitFeaturesReply(); |
| 351 | |
| 352 | resetChannel(); |
| 353 | channel.write(capture(writeCapture)); |
| 354 | expectLastCall().andReturn(null).atLeastOnce(); |
| 355 | replay(channel); |
| 356 | |
| 357 | sendMessageToHandlerWithControllerReset(Collections.<OFMessage>singletonList(featuresReply)); |
| 358 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 359 | assertEquals(3, msgs.size()); |
| 360 | assertEquals(OFType.SET_CONFIG, msgs.get(0).getType()); |
| 361 | OFSetConfig sc = (OFSetConfig) msgs.get(0); |
| 362 | assertEquals((short) 0xffff, sc.getMissSendLen()); |
| 363 | assertEquals(OFType.BARRIER_REQUEST, msgs.get(1).getType()); |
| 364 | assertEquals(OFType.GET_CONFIG_REQUEST, msgs.get(2).getType()); |
| 365 | verifyUniqueXids(msgs); |
| 366 | assertEquals(OFChannelHandler.ChannelState.WAIT_CONFIG_REPLY, |
| 367 | handler.getStateForTesting()); |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Move the channel from scratch to WAIT_DESCRIPTION_STAT_REPLY state. |
| 372 | * Builds on moveToWaitConfigReply(). |
| 373 | * adds testing for WAIT_CONFIG_REPLY state. |
| 374 | */ |
| 375 | @Test |
| 376 | public void moveToWaitDescriptionStatReply() throws Exception { |
| 377 | moveToWaitConfigReply(); |
| 378 | resetChannel(); |
| 379 | channel.write(capture(writeCapture)); |
| 380 | expectLastCall().andReturn(null).atLeastOnce(); |
| 381 | replay(channel); |
| 382 | |
| 383 | OFGetConfigReply cr = (OFGetConfigReply) buildOFMessage(OFType.GET_CONFIG_REPLY); |
| 384 | |
| 385 | sendMessageToHandlerWithControllerReset(Collections.<OFMessage>singletonList(cr)); |
| 386 | |
| 387 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 388 | assertEquals(1, msgs.size()); |
| 389 | assertEquals(OFType.STATS_REQUEST, msgs.get(0).getType()); |
| 390 | OFStatsRequest<?> sr = (OFStatsRequest<?>) msgs.get(0); |
| 391 | assertEquals(OFStatsType.DESC, sr.getStatsType()); |
| 392 | verifyUniqueXids(msgs); |
| 393 | assertEquals(OFChannelHandler.ChannelState.WAIT_DESCRIPTION_STAT_REPLY, |
| 394 | handler.getStateForTesting()); |
| 395 | } |
| 396 | |
| 397 | |
| 398 | private OFStatsReply createDescriptionStatsReply() throws IOException { |
| 399 | OFStatsReply sr = (OFStatsReply) buildOFMessage(OFType.STATS_REPLY); |
| 400 | return sr; |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Move the channel from scratch to WAIT_INITIAL_ROLE state. |
| 405 | * for a switch that does not have a sub-handshake. |
| 406 | * Builds on moveToWaitDescriptionStatReply(). |
| 407 | * adds testing for WAIT_DESCRIPTION_STAT_REPLY state. |
| 408 | * |
| 409 | */ |
| 410 | @Test |
| 411 | public void moveToWaitInitialRole() |
| 412 | throws Exception { |
| 413 | moveToWaitDescriptionStatReply(); |
| 414 | |
| 415 | long xid = 2000; |
| 416 | |
| 417 | // build the stats reply |
| 418 | OFStatsReply sr = createDescriptionStatsReply(); |
| 419 | |
| 420 | resetChannel(); |
| 421 | replay(channel); |
| 422 | |
| 423 | setupMessageEvent(Collections.<OFMessage>singletonList(sr)); |
| 424 | |
| 425 | // mock controller |
| 426 | reset(controller); |
| 427 | reset(swImplBase); |
| 428 | |
| 429 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 430 | .andReturn(swImplBase).anyTimes(); |
| 431 | expect(controller.getDebugCounter()) |
| 432 | .andReturn(debugCounterService).anyTimes(); |
| 433 | controller.submitRegistryRequest(1000); |
| 434 | expectLastCall().once(); |
| 435 | replay(controller); |
| 436 | |
| 437 | //TODO: With the description stats message you are sending in the test, |
| 438 | //you will end up with an OFSwitchImplBase object |
| 439 | //which by default does NOT support the nicira role messages. |
| 440 | //If you wish to test the case where Nicira role messages are supported, |
| 441 | //then make a comment here that states that this is different |
| 442 | //from the default behavior of switchImplbase /or/ |
| 443 | //send the right desc-stats (for example send what is expected from OVS 1.0) |
| 444 | |
| 445 | if (ofVersion == OFVersion.OF_10) { |
| 446 | expect(swImplBase.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)) |
| 447 | .andReturn(true).once(); |
| 448 | |
| 449 | swImplBase.write(capture(writeCapture)); |
| 450 | expectLastCall().anyTimes(); |
| 451 | } |
| 452 | |
| 453 | swImplBase.setOFVersion(ofVersion); |
| 454 | expectLastCall().once(); |
| 455 | swImplBase.setConnected(true); |
| 456 | expectLastCall().once(); |
| 457 | swImplBase.setChannel(channel); |
| 458 | expectLastCall().once(); |
| 459 | swImplBase.setDebugCounterService(controller.getDebugCounter()); |
| 460 | expectLastCall().once(); |
| 461 | expect(swImplBase.getStringId()) |
| 462 | .andReturn(null).anyTimes(); |
| 463 | swImplBase.setRole(Role.EQUAL); |
| 464 | expectLastCall().once(); |
| 465 | |
| 466 | expect(swImplBase.getNextTransactionId()) |
| 467 | .andReturn((int) xid).anyTimes(); |
| 468 | expect(swImplBase.getId()) |
| 469 | .andReturn(1000L).once(); |
| 470 | |
| 471 | swImplBase.setFeaturesReply(featuresReply); |
| 472 | expectLastCall().once(); |
| 473 | swImplBase.setPortDescReply((OFPortDescStatsReply) null); |
| 474 | replay(swImplBase); |
| 475 | |
| 476 | // send the description stats reply |
| 477 | handler.messageReceived(ctx, messageEvent); |
| 478 | |
| 479 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 480 | assertEquals(1, msgs.size()); |
| 481 | assertEquals(OFType.EXPERIMENTER, msgs.get(0).getType()); |
| 482 | verifyNiciraMessage((OFExperimenter) msgs.get(0)); |
| 483 | |
| 484 | verify(controller); |
| 485 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 486 | handler.getStateForTesting()); |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * Move the channel from scratch to. |
| 491 | * WAIT_SWITCH_DRIVER_SUB_HANDSHAKE state. |
| 492 | * Builds on moveToWaitInitialRole(). |
| 493 | */ |
| 494 | @Test |
| 495 | public void moveToWaitSubHandshake() |
| 496 | throws Exception { |
| 497 | moveToWaitInitialRole(); |
| 498 | |
| 499 | int xid = 2000; |
| 500 | resetChannel(); |
| 501 | replay(channel); |
| 502 | |
| 503 | reset(swImplBase); |
| 504 | // Set the role |
| 505 | setupSwitchSendRoleRequestAndVerify(true, xid, Role.SLAVE); |
| 506 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 507 | handler.getStateForTesting()); |
| 508 | |
| 509 | // build the stats reply |
| 510 | OFStatsReply sr = createDescriptionStatsReply(); |
| 511 | OFMessage rr = getRoleReply(xid, Role.SLAVE); |
| 512 | setupMessageEvent(Collections.<OFMessage>singletonList(rr)); |
| 513 | |
| 514 | // mock controller |
| 515 | reset(controller); |
| 516 | reset(swImplBase); |
| 517 | |
| 518 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 519 | .andReturn(swImplBase).anyTimes(); |
| 520 | expect(controller.getDebugCounter()) |
| 521 | .andReturn(debugCounterService).anyTimes(); |
| 522 | |
| 523 | replay(controller); |
| 524 | |
| 525 | expect(swImplBase.getStringId()) |
| 526 | .andReturn(null).anyTimes(); |
| 527 | swImplBase.setRole(Role.SLAVE); |
| 528 | expectLastCall().once(); |
| 529 | expect(swImplBase.getNextTransactionId()) |
| 530 | .andReturn(xid).anyTimes(); |
| 531 | swImplBase.startDriverHandshake(); |
| 532 | expectLastCall().once(); |
| 533 | |
| 534 | //when this flag is false, state machine will move to |
| 535 | //WAIT_SWITCH_DRIVER_SUB_HANDSHAKE state |
| 536 | expect(swImplBase.isDriverHandshakeComplete()) |
| 537 | .andReturn(false).once(); |
| 538 | |
| 539 | replay(swImplBase); |
| 540 | |
| 541 | // send the description stats reply |
| 542 | handler.messageReceived(ctx, messageEvent); |
| 543 | |
| 544 | assertEquals(OFChannelHandler.ChannelState.WAIT_SWITCH_DRIVER_SUB_HANDSHAKE, |
| 545 | handler.getStateForTesting()); |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * Move the channel from scratch to WAIT_INITIAL_ROLE state, |
| 550 | * then move the channel to EQUAL state based on the switch Role. |
| 551 | * This test basically test the switch with role support. |
| 552 | * Builds on moveToWaitInitialRole(). |
| 553 | * |
| 554 | * In WAIT_INITIAL_ROLE state, when any messages (except ECHO_REQUEST |
| 555 | * and PORT_STATUS), state machine will transit to MASTER or |
| 556 | * EQUAL state based on the switch role. |
| 557 | */ |
| 558 | @Test |
| 559 | public void moveToSlaveWithHandshakeComplete() |
| 560 | throws Exception { |
| 561 | |
| 562 | moveToWaitInitialRole(); |
| 563 | |
| 564 | int xid = 2000; |
| 565 | resetChannel(); |
| 566 | replay(channel); |
| 567 | |
| 568 | reset(swImplBase); |
| 569 | // Set the role |
| 570 | setupSwitchSendRoleRequestAndVerify(true, xid, Role.SLAVE); |
| 571 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 572 | handler.getStateForTesting()); |
| 573 | |
| 574 | // build the stats reply |
| 575 | OFStatsReply sr = createDescriptionStatsReply(); |
| 576 | OFMessage rr = getRoleReply(xid, Role.SLAVE); |
| 577 | setupMessageEvent(Collections.<OFMessage>singletonList(rr)); |
| 578 | |
| 579 | // mock controller |
| 580 | reset(controller); |
| 581 | reset(swImplBase); |
| 582 | |
| 583 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 584 | .andReturn(swImplBase).anyTimes(); |
| 585 | |
| 586 | expect(controller.getDebugCounter()) |
| 587 | .andReturn(debugCounterService).anyTimes(); |
| 588 | |
| 589 | expect(controller.addActivatedEqualSwitch(1000, swImplBase)) |
| 590 | .andReturn(true).once(); |
| 591 | replay(controller); |
| 592 | |
| 593 | expect(swImplBase.getStringId()) |
| 594 | .andReturn(null).anyTimes(); |
| 595 | //consult the role in sw to determine the next state. |
| 596 | //in this testing case, we are testing that channel handler |
| 597 | // will move to EQUAL state when switch role is in SLAVE. |
| 598 | expect(swImplBase.getRole()).andReturn(Role.SLAVE).once(); |
| 599 | swImplBase.setRole(Role.SLAVE); |
| 600 | expectLastCall().once(); |
| 601 | |
| 602 | expect(swImplBase.getNextTransactionId()) |
| 603 | .andReturn(xid).anyTimes(); |
| 604 | expect(swImplBase.getId()) |
| 605 | .andReturn(1000L).once(); |
| 606 | swImplBase.startDriverHandshake(); |
| 607 | expectLastCall().once(); |
| 608 | |
| 609 | //when this flag is true, don't need to move interim state |
| 610 | //WAIT_SWITCH_DRIVER_SUB_HANDSHAKE. channel handler will |
| 611 | //move to corresponding state after consulting the role in sw |
| 612 | //This is essentially the same test as the one above, |
| 613 | //except for this line |
| 614 | expect(swImplBase.isDriverHandshakeComplete()) |
| 615 | .andReturn(true).once(); |
| 616 | |
| 617 | replay(swImplBase); |
| 618 | |
| 619 | // send the description stats reply |
| 620 | handler.messageReceived(ctx, messageEvent); |
| 621 | |
| 622 | assertEquals(OFChannelHandler.ChannelState.EQUAL, |
| 623 | handler.getStateForTesting()); |
| 624 | } |
| 625 | |
| 626 | /** |
| 627 | * Move the channel from scratch to WAIT_INITIAL_ROLE state, |
| 628 | * then to MASTERL state based on the switch Role. |
| 629 | * This test basically test the switch with role support. |
| 630 | * Builds on moveToWaitInitialRole(). |
| 631 | * |
| 632 | * In WAIT_INITIAL_ROLE state, when any messages (except ECHO_REQUEST |
| 633 | * and PORT_STATUS), state machine will transit to MASTER or |
| 634 | * EQUAL state based on the switch role. |
| 635 | */ |
| 636 | @Test |
| 637 | public void moveToMasterWithHandshakeComplete() |
| 638 | throws Exception { |
| 639 | |
| 640 | moveToWaitInitialRole(); |
| 641 | |
| 642 | int xid = 2000; |
| 643 | resetChannel(); |
| 644 | replay(channel); |
| 645 | |
| 646 | reset(swImplBase); |
| 647 | // Set the role |
| 648 | setupSwitchSendRoleRequestAndVerify(true, xid, Role.MASTER); |
| 649 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 650 | handler.getStateForTesting()); |
| 651 | |
| 652 | // build the stats reply |
| 653 | OFStatsReply sr = createDescriptionStatsReply(); |
| 654 | OFMessage rr = getRoleReply(xid, Role.MASTER); |
| 655 | setupMessageEvent(Collections.<OFMessage>singletonList(rr)); |
| 656 | |
| 657 | // mock controller |
| 658 | reset(controller); |
| 659 | reset(swImplBase); |
| 660 | |
| 661 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 662 | .andReturn(swImplBase).anyTimes(); |
| 663 | |
| 664 | expect(controller.getDebugCounter()) |
| 665 | .andReturn(debugCounterService).anyTimes(); |
| 666 | |
| 667 | expect(controller.addActivatedMasterSwitch(1000, swImplBase)) |
| 668 | .andReturn(true).once(); |
| 669 | replay(controller); |
| 670 | |
| 671 | expect(swImplBase.getStringId()) |
| 672 | .andReturn(null).anyTimes(); |
| 673 | expect(swImplBase.getRole()).andReturn(Role.MASTER).once(); |
| 674 | swImplBase.setRole(Role.MASTER); |
| 675 | expectLastCall().once(); |
| 676 | |
| 677 | expect(swImplBase.getNextTransactionId()) |
| 678 | .andReturn(xid).anyTimes(); |
| 679 | expect(swImplBase.getId()) |
| 680 | .andReturn(1000L).once(); |
| 681 | swImplBase.startDriverHandshake(); |
| 682 | expectLastCall().once(); |
| 683 | expect(swImplBase.isDriverHandshakeComplete()) |
| 684 | .andReturn(true).once(); |
| 685 | |
| 686 | replay(swImplBase); |
| 687 | |
| 688 | |
| 689 | // send the description stats reply |
| 690 | handler.messageReceived(ctx, messageEvent); |
| 691 | |
| 692 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 693 | handler.getStateForTesting()); |
| 694 | } |
| 695 | |
| 696 | /** |
| 697 | * Move the channel from scratch to |
| 698 | * WAIT_SWITCH_DRIVER_SUB_HANDSHAKE state. |
| 699 | * Builds on moveToWaitSubHandshake(). |
| 700 | */ |
| 701 | @Test |
| 702 | public void moveToEqualViaWaitSubHandshake() |
| 703 | throws Exception { |
| 704 | moveToWaitSubHandshake(); |
| 705 | |
| 706 | long xid = 2000; |
| 707 | resetChannel(); |
| 708 | replay(channel); |
| 709 | |
| 710 | // build the stats reply |
| 711 | OFStatsReply sr = createDescriptionStatsReply(); |
| 712 | |
| 713 | setupMessageEvent(Collections.<OFMessage>singletonList(sr)); |
| 714 | |
| 715 | // mock controller |
| 716 | reset(controller); |
| 717 | reset(swImplBase); |
| 718 | |
| 719 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 720 | .andReturn(swImplBase).anyTimes(); |
| 721 | expect(controller.getDebugCounter()) |
| 722 | .andReturn(debugCounterService).anyTimes(); |
| 723 | |
| 724 | expect(controller.addActivatedEqualSwitch(1000, swImplBase)) |
| 725 | .andReturn(true).once(); |
| 726 | replay(controller); |
| 727 | |
| 728 | expect(swImplBase.getStringId()) |
| 729 | .andReturn(null).anyTimes(); |
| 730 | expect(swImplBase.getRole()).andReturn(Role.SLAVE).once(); |
| 731 | expect(swImplBase.getNextTransactionId()) |
| 732 | .andReturn((int) xid).anyTimes(); |
| 733 | expect(swImplBase.getId()) |
| 734 | .andReturn(1000L).once(); |
| 735 | |
| 736 | swImplBase.processDriverHandshakeMessage(sr); |
| 737 | expectLastCall().once(); |
| 738 | expect(swImplBase.isDriverHandshakeComplete()) |
| 739 | .andReturn(true).once(); |
| 740 | |
| 741 | replay(swImplBase); |
| 742 | |
| 743 | // send the description stats reply |
| 744 | handler.messageReceived(ctx, messageEvent); |
| 745 | |
| 746 | assertEquals(OFChannelHandler.ChannelState.EQUAL, |
| 747 | handler.getStateForTesting()); |
| 748 | } |
| 749 | |
| 750 | /** |
| 751 | * Move the channel from scratch to |
| 752 | * WAIT_SWITCH_DRIVER_SUB_HANDSHAKE state. |
| 753 | * Builds on moveToWaitSubHandshake(). |
| 754 | */ |
| 755 | @Test |
| 756 | public void moveToMasterViaWaitSubHandshake() |
| 757 | throws Exception { |
| 758 | moveToWaitSubHandshake(); |
| 759 | |
| 760 | long xid = 2000; |
| 761 | resetChannel(); |
| 762 | replay(channel); |
| 763 | |
| 764 | // In this state, any messages except echo request, port status and |
| 765 | // error go to the switch sub driver handshake. Once the switch reports |
| 766 | // that its sub driver handshake is complete (#isDriverHandshakeComplete |
| 767 | // return true) then the channel handle consults the switch role and |
| 768 | // moves the state machine to the appropriate state (MASTER or EQUALS). |
| 769 | // In this test we expect the state machine to end up in MASTER state. |
| 770 | OFStatsReply sr = createDescriptionStatsReply(); |
| 771 | |
| 772 | setupMessageEvent(Collections.<OFMessage>singletonList(sr)); |
| 773 | |
| 774 | // mock controller |
| 775 | reset(controller); |
| 776 | reset(swImplBase); |
| 777 | |
| 778 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 779 | .andReturn(swImplBase).anyTimes(); |
| 780 | |
| 781 | expect(controller.getDebugCounter()) |
| 782 | .andReturn(debugCounterService).anyTimes(); |
| 783 | expect(controller.addActivatedMasterSwitch(1000, swImplBase)) |
| 784 | .andReturn(true).once(); |
| 785 | replay(controller); |
| 786 | |
| 787 | expect(swImplBase.getStringId()) |
| 788 | .andReturn(null).anyTimes(); |
| 789 | expect(swImplBase.getRole()).andReturn(Role.MASTER).once(); |
| 790 | expect(swImplBase.getNextTransactionId()) |
| 791 | .andReturn((int) xid).anyTimes(); |
| 792 | expect(swImplBase.getId()) |
| 793 | .andReturn(1000L).once(); |
| 794 | |
| 795 | swImplBase.processDriverHandshakeMessage(sr); |
| 796 | expectLastCall().once(); |
| 797 | expect(swImplBase.isDriverHandshakeComplete()) |
| 798 | .andReturn(true).once(); |
| 799 | |
| 800 | replay(swImplBase); |
| 801 | |
| 802 | // send the description stats reply |
| 803 | handler.messageReceived(ctx, messageEvent); |
| 804 | verify(controller); |
| 805 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 806 | handler.getStateForTesting()); |
| 807 | } |
| 808 | |
| 809 | /** |
| 810 | * Test the behavior in WAIT_SWITCH_DRIVER_SUB_HANDSHAKE state. |
| 811 | * ECHO_REQUEST message received case. |
| 812 | */ |
| 813 | @Test |
| 814 | public void testWaitSwitchDriverSubhandshake() throws Exception { |
| 815 | moveToWaitSubHandshake(); |
| 816 | |
| 817 | long xid = 2000; |
| 818 | resetChannel(); |
| 819 | channel.write(capture(writeCapture)); |
| 820 | expectLastCall().andReturn(null).atLeastOnce(); |
| 821 | replay(channel); |
| 822 | |
| 823 | OFMessage er = buildOFMessage(OFType.ECHO_REQUEST); |
| 824 | |
| 825 | setupMessageEvent(Collections.<OFMessage>singletonList(er)); |
| 826 | |
| 827 | // mock controller |
| 828 | reset(controller); |
| 829 | reset(swImplBase); |
| 830 | |
| 831 | expect(controller.getOFMessageFactory10()).andReturn(factory10); |
| 832 | expect(controller.getDebugCounter()) |
| 833 | .andReturn(debugCounterService).anyTimes(); |
| 834 | |
| 835 | replay(controller); |
| 836 | |
| 837 | expect(swImplBase.getStringId()) |
| 838 | .andReturn(null).anyTimes(); |
| 839 | expect(swImplBase.getNextTransactionId()) |
| 840 | .andReturn((int) xid).anyTimes(); |
| 841 | |
| 842 | replay(swImplBase); |
| 843 | |
| 844 | handler.messageReceived(ctx, messageEvent); |
| 845 | |
| 846 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 847 | assertEquals(1, msgs.size()); |
| 848 | assertEquals(OFType.ECHO_REPLY, msgs.get(0).getType()); |
| 849 | verifyUniqueXids(msgs); |
| 850 | assertEquals(OFChannelHandler.ChannelState.WAIT_SWITCH_DRIVER_SUB_HANDSHAKE, |
| 851 | handler.getStateForTesting()); |
| 852 | } |
| 853 | |
| 854 | /** |
| 855 | * Helper. |
| 856 | * Verify that the given OFMessage is a correct Nicira RoleRequest message. |
| 857 | */ |
| 858 | private void verifyNiciraMessage(OFExperimenter ofMessage) { |
| 859 | |
| 860 | int vendor = (int) ofMessage.getExperimenter(); |
| 861 | assertEquals(vendor, 0x2320); // magic number representing nicira |
| 862 | } |
| 863 | |
| 864 | /** |
| 865 | * Setup the mock switch and write capture for a role request, set the |
| 866 | * role and verify mocks. |
| 867 | * @param supportsNxRole whether the switch supports role request messages |
| 868 | * to setup the attribute. This must be null (don't yet know if roles |
| 869 | * supported: send to check) or true. |
| 870 | * @param xid The xid to use in the role request |
| 871 | * @param role The role to send |
| 872 | * @throws IOException |
| 873 | */ |
| 874 | private void setupSwitchSendRoleRequestAndVerify(Boolean supportsNxRole, |
| 875 | int xid, |
| 876 | Role role) throws IOException { |
| 877 | |
| 878 | RoleRecvStatus expectation = RoleRecvStatus.MATCHED_SET_ROLE; |
| 879 | |
| 880 | expect(swImplBase.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)) |
| 881 | .andReturn(supportsNxRole).atLeastOnce(); |
| 882 | |
| 883 | if (supportsNxRole != null && supportsNxRole) { |
| 884 | expect(swImplBase.getNextTransactionId()).andReturn(xid).once(); |
| 885 | swImplBase.write(capture(writeCapture)); |
| 886 | expectLastCall().anyTimes(); |
| 887 | } |
| 888 | replay(swImplBase); |
| 889 | |
| 890 | handler.sendRoleRequest(role, expectation); |
| 891 | |
| 892 | if (supportsNxRole != null && supportsNxRole) { |
| 893 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 894 | assertEquals(1, msgs.size()); |
| 895 | verifyNiciraMessage((OFExperimenter) msgs.get(0)); |
| 896 | } |
| 897 | } |
| 898 | |
| 899 | /** |
| 900 | * Setup the mock switch for a role change request where the switch |
| 901 | * does not support roles. |
| 902 | * |
| 903 | * Needs to verify and reset the controller since we need to set |
| 904 | * an expectation |
| 905 | */ |
| 906 | private void setupSwitchRoleChangeUnsupported(int xid, |
| 907 | Role role) { |
| 908 | boolean supportsNxRole = false; |
| 909 | RoleRecvStatus expectation = RoleRecvStatus.NO_REPLY; |
| 910 | reset(swImplBase); |
| 911 | expect(swImplBase.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)) |
| 912 | .andReturn(supportsNxRole).atLeastOnce(); |
| 913 | // TODO: hmmm. While it's not incorrect that we set the attribute |
| 914 | // again it looks odd. Maybe change |
| 915 | swImplBase.setAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE, supportsNxRole); |
| 916 | expectLastCall().anyTimes(); |
| 917 | |
| 918 | replay(swImplBase); |
| 919 | |
| 920 | handler.sendRoleRequest(role, expectation); |
| 921 | |
| 922 | verify(swImplBase); |
| 923 | } |
| 924 | |
| 925 | /* |
| 926 | * Return a Nicira RoleReply message for the given role. |
| 927 | */ |
| 928 | private OFMessage getRoleReply(long xid, Role role) { |
| 929 | |
| 930 | OFNiciraControllerRole nr = null; |
| 931 | |
| 932 | switch(role) { |
| 933 | case MASTER: |
| 934 | nr = OFNiciraControllerRole.ROLE_MASTER; |
| 935 | break; |
| 936 | case EQUAL: |
| 937 | nr = OFNiciraControllerRole.ROLE_SLAVE; |
| 938 | break; |
| 939 | case SLAVE: |
| 940 | nr = OFNiciraControllerRole.ROLE_SLAVE; |
| 941 | break; |
| 942 | default: //handled below |
| 943 | } |
| 944 | OFMessage m = factory10.buildNiciraControllerRoleReply() |
| 945 | .setRole(nr) |
| 946 | .setXid(xid) |
| 947 | .build(); |
| 948 | return m; |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Move the channel from scratch to MASTER state. |
| 953 | * Builds on moveToWaitInitialRole(). |
| 954 | * adds testing for WAIT_INITAL_ROLE state. |
| 955 | * |
| 956 | * This method tests the case that the switch does NOT support roles. |
| 957 | * In ONOS if the switch-driver says that nicira-role messages are not |
| 958 | * supported, then ONOS does NOT send role-request messages |
| 959 | * (see handleUnsentRoleMessage()) |
| 960 | */ |
| 961 | @Test |
| 962 | public void testInitialMoveToMasterNoRole() throws Exception { |
| 963 | int xid = 43; |
| 964 | // first, move us to WAIT_INITIAL_ROLE_STATE |
| 965 | |
| 966 | moveToWaitInitialRole(); |
| 967 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 968 | handler.getStateForTesting()); |
| 969 | |
| 970 | OFStatsReply sr = createDescriptionStatsReply(); |
| 971 | |
| 972 | reset(controller); |
| 973 | reset(swImplBase); |
| 974 | |
| 975 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 976 | .andReturn(swImplBase).anyTimes(); |
| 977 | |
| 978 | expect(controller.getDebugCounter()) |
| 979 | .andReturn(debugCounterService).anyTimes(); |
| 980 | |
| 981 | expect(controller.addActivatedMasterSwitch(1000, swImplBase)) |
| 982 | .andReturn(true).once(); |
| 983 | replay(controller); |
| 984 | |
| 985 | reset(swImplBase); |
| 986 | swImplBase.setRole(Role.MASTER); |
| 987 | expectLastCall().once(); |
| 988 | swImplBase.startDriverHandshake(); |
| 989 | expectLastCall().once(); |
| 990 | expect(swImplBase.isDriverHandshakeComplete()) |
| 991 | .andReturn(true).once(); |
| 992 | expect(swImplBase.getStringId()) |
| 993 | .andReturn(null).anyTimes(); |
| 994 | expect(swImplBase.getRole()).andReturn(Role.MASTER).once(); |
| 995 | |
| 996 | expect(swImplBase.getId()) |
| 997 | .andReturn(1000L).once(); |
| 998 | // Set the role |
| 999 | setupSwitchSendRoleRequestAndVerify(false, xid, Role.MASTER); |
| 1000 | |
| 1001 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1002 | handler.getStateForTesting()); |
| 1003 | } |
| 1004 | |
| 1005 | /** |
| 1006 | * Move the channel from scratch to WAIT_INITIAL_ROLE state. |
| 1007 | * Builds on moveToWaitInitialRole(). |
| 1008 | * adds testing for WAIT_INITAL_ROLE state |
| 1009 | * |
| 1010 | * We let the initial role request time out. Role support should be |
| 1011 | * disabled but the switch should be activated. |
| 1012 | */ |
| 1013 | /* TBD |
| 1014 | @Test |
| 1015 | public void testInitialMoveToMasterTimeout() throws Exception { |
| 1016 | int timeout = 50; |
| 1017 | handler.useRoleChangerWithOtherTimeoutForTesting(timeout); |
| 1018 | int xid = 4343; |
| 1019 | |
| 1020 | // first, move us to WAIT_INITIAL_ROLE_STATE |
| 1021 | |
| 1022 | moveToWaitInitialRole(); |
| 1023 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1024 | handler.getStateForTesting()); |
| 1025 | |
| 1026 | // prepare mocks and inject the role reply message |
| 1027 | reset(swImplBase); |
| 1028 | // Set the role |
| 1029 | swImplBase.setRole(Role.MASTER); |
| 1030 | expectLastCall().once(); |
| 1031 | swImplBase.startDriverHandshake(); |
| 1032 | expectLastCall().once(); |
| 1033 | expect(swImplBase.isDriverHandshakeComplete()) |
| 1034 | .andReturn(false).once(); |
| 1035 | if (ofVersion == OFVersion.OF_10) { |
| 1036 | expect(swImplBase.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)) |
| 1037 | .andReturn(true).once(); |
| 1038 | |
| 1039 | swImplBase.write(capture(writeCapture), |
| 1040 | EasyMock.<FloodlightContext>anyObject()); |
| 1041 | expectLastCall().anyTimes(); |
| 1042 | } |
| 1043 | expect(swImplBase.getNextTransactionId()).andReturn(xid).once(); |
| 1044 | |
| 1045 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1046 | handler.getStateForTesting()); |
| 1047 | |
| 1048 | // Set the role |
| 1049 | setupSwitchSendRoleRequestAndVerify(null, xid, Role.MASTER); |
| 1050 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1051 | handler.getStateForTesting()); |
| 1052 | |
| 1053 | OFMessage m = buildOFMessage(OFType.ECHO_REPLY); |
| 1054 | |
| 1055 | setupMessageEvent(Collections.<OFMessage>singletonList(m)); |
| 1056 | |
| 1057 | Thread.sleep(timeout+5); |
| 1058 | |
| 1059 | verify(controller); |
| 1060 | reset(controller); |
| 1061 | |
| 1062 | expect(controller.addActivatedMasterSwitch(1000, swImplBase)) |
| 1063 | .andReturn(true).once(); |
| 1064 | controller.flushAll(); |
| 1065 | expectLastCall().once(); |
| 1066 | |
| 1067 | replay(controller); |
| 1068 | |
| 1069 | handler.messageReceived(ctx, messageEvent); |
| 1070 | |
| 1071 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1072 | handler.getStateForTesting()); |
| 1073 | |
| 1074 | } |
| 1075 | |
| 1076 | */ |
| 1077 | /** |
| 1078 | * Move the channel from scratch to SLAVE state. |
| 1079 | * Builds on doMoveToWaitInitialRole(). |
| 1080 | * adds testing for WAIT_INITAL_ROLE state |
| 1081 | * |
| 1082 | * This method tests the case that the switch does NOT support roles. |
| 1083 | * The channel handler still needs to send the initial request to find |
| 1084 | * out that whether the switch supports roles. |
| 1085 | * |
| 1086 | */ |
| 1087 | @Test |
| 1088 | public void testInitialMoveToSlaveNoRole() throws Exception { |
| 1089 | int xid = 44; |
| 1090 | // first, move us to WAIT_INITIAL_ROLE_STATE |
| 1091 | moveToWaitInitialRole(); |
| 1092 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1093 | handler.getStateForTesting()); |
| 1094 | |
| 1095 | reset(swImplBase); |
| 1096 | // Set the role |
| 1097 | setupSwitchSendRoleRequestAndVerify(false, xid, Role.SLAVE); |
| 1098 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1099 | handler.getStateForTesting()); |
| 1100 | |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * Move the channel from scratch to SLAVE state. |
| 1105 | * Builds on doMoveToWaitInitialRole(). |
| 1106 | * adds testing for WAIT_INITAL_ROLE state |
| 1107 | * |
| 1108 | * We let the initial role request time out. The switch should be |
| 1109 | * disconnected |
| 1110 | */ |
| 1111 | /* TBD |
| 1112 | @Test |
| 1113 | public void testInitialMoveToSlaveTimeout() throws Exception { |
| 1114 | int timeout = 50; |
| 1115 | handler.useRoleChangerWithOtherTimeoutForTesting(timeout); |
| 1116 | int xid = 4444; |
| 1117 | |
| 1118 | // first, move us to WAIT_INITIAL_ROLE_STATE |
| 1119 | moveToWaitInitialRole(); |
| 1120 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1121 | handler.getStateForTesting()); |
| 1122 | |
| 1123 | // Set the role |
| 1124 | setupSwitchSendRoleRequestAndVerify(null, xid, Role.SLAVE); |
| 1125 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1126 | handler.getStateForTesting()); |
| 1127 | |
| 1128 | // prepare mocks and inject the role reply message |
| 1129 | reset(sw); |
| 1130 | sw.setAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE, false); |
| 1131 | expectLastCall().once(); |
| 1132 | sw.setRole(Role.SLAVE); |
| 1133 | expectLastCall().once(); |
| 1134 | sw.disconnectSwitch(); // Make sure we disconnect |
| 1135 | expectLastCall().once(); |
| 1136 | replay(sw); |
| 1137 | |
| 1138 | OFMessage m = buildOFMessage(OFType.ECHO_REPLY); |
| 1139 | |
| 1140 | Thread.sleep(timeout+5); |
| 1141 | |
| 1142 | sendMessageToHandlerWithControllerReset(Collections.singletonList(m)); |
| 1143 | } |
| 1144 | |
| 1145 | */ |
| 1146 | /** |
| 1147 | * Move channel from scratch to WAIT_INITIAL_STATE, then MASTER, |
| 1148 | * then SLAVE for cases where the switch does not support roles. |
| 1149 | * I.e., the final SLAVE transition should disconnect the switch. |
| 1150 | */ |
| 1151 | @Test |
| 1152 | public void testNoRoleInitialToMasterToSlave() throws Exception { |
| 1153 | int xid = 46; |
| 1154 | reset(swImplBase); |
| 1155 | replay(swImplBase); |
| 1156 | |
| 1157 | reset(controller); |
| 1158 | replay(controller); |
| 1159 | |
| 1160 | // First, lets move the state to MASTER without role support |
| 1161 | testInitialMoveToMasterNoRole(); |
| 1162 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1163 | handler.getStateForTesting()); |
| 1164 | |
| 1165 | // try to set master role again. should be a no-op |
| 1166 | setupSwitchRoleChangeUnsupported(xid, Role.MASTER); |
| 1167 | |
| 1168 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1169 | handler.getStateForTesting()); |
| 1170 | |
| 1171 | setupSwitchRoleChangeUnsupported(xid, Role.SLAVE); |
| 1172 | //switch does not support role message. there is no role set |
| 1173 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1174 | handler.getStateForTesting()); |
| 1175 | |
| 1176 | } |
| 1177 | |
| 1178 | /** |
| 1179 | * Move the channel to MASTER state. |
| 1180 | * Expects that the channel is in MASTER or SLAVE state. |
| 1181 | * |
| 1182 | */ |
| 1183 | public void changeRoleToMasterWithRequest() throws Exception { |
| 1184 | int xid = 4242; |
| 1185 | |
| 1186 | assertTrue("This method can only be called when handler is in " + |
| 1187 | "MASTER or SLAVE role", handler.isHandshakeComplete()); |
| 1188 | |
| 1189 | reset(swImplBase); |
| 1190 | reset(controller); |
| 1191 | // Set the role |
| 1192 | setupSwitchSendRoleRequestAndVerify(true, xid, Role.MASTER); |
| 1193 | |
| 1194 | // prepare mocks and inject the role reply message |
| 1195 | |
| 1196 | reset(controller); |
| 1197 | expect(controller.addActivatedMasterSwitch(1000, swImplBase)) |
| 1198 | .andReturn(true).once(); |
| 1199 | OFMessage reply = getRoleReply(xid, Role.MASTER); |
| 1200 | |
| 1201 | // sendMessageToHandler will verify and rest controller mock |
| 1202 | |
| 1203 | OFStatsReply sr = createDescriptionStatsReply(); |
| 1204 | setupMessageEvent(Collections.<OFMessage>singletonList(reply)); |
| 1205 | |
| 1206 | // mock controller |
| 1207 | reset(controller); |
| 1208 | reset(swImplBase); |
| 1209 | |
| 1210 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 1211 | .andReturn(swImplBase).anyTimes(); |
| 1212 | |
| 1213 | expect(controller.getDebugCounter()) |
| 1214 | .andReturn(debugCounterService).anyTimes(); |
| 1215 | controller.transitionToMasterSwitch(1000); |
| 1216 | expectLastCall().once(); |
| 1217 | |
| 1218 | replay(controller); |
| 1219 | |
| 1220 | expect(swImplBase.getStringId()) |
| 1221 | .andReturn(null).anyTimes(); |
| 1222 | expect(swImplBase.getRole()).andReturn(Role.EQUAL).atLeastOnce(); |
| 1223 | expect(swImplBase.getNextTransactionId()) |
| 1224 | .andReturn(xid).anyTimes(); |
| 1225 | expect(swImplBase.getId()) |
| 1226 | .andReturn(1000L).once(); |
| 1227 | |
| 1228 | swImplBase.setRole(Role.MASTER); |
| 1229 | expectLastCall().once(); |
| 1230 | replay(swImplBase); |
| 1231 | |
| 1232 | // send the description stats reply |
| 1233 | handler.messageReceived(ctx, messageEvent); |
| 1234 | |
| 1235 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1236 | handler.getStateForTesting()); |
| 1237 | } |
| 1238 | |
| 1239 | /** |
| 1240 | * Move the channel to SLAVE state. |
| 1241 | * Expects that the channel is in MASTER or SLAVE state. |
| 1242 | * |
| 1243 | */ |
| 1244 | public void changeRoleToSlaveWithRequest() throws Exception { |
| 1245 | int xid = 2323; |
| 1246 | |
| 1247 | assertTrue("This method can only be called when handler is in " + |
| 1248 | "MASTER or SLAVE role", handler.isHandshakeComplete()); |
| 1249 | |
| 1250 | // Set the role |
| 1251 | reset(controller); |
| 1252 | reset(swImplBase); |
| 1253 | |
| 1254 | swImplBase.write(capture(writeCapture)); |
| 1255 | expectLastCall().anyTimes(); |
| 1256 | |
| 1257 | expect(swImplBase.getNextTransactionId()) |
| 1258 | .andReturn(xid).anyTimes(); |
| 1259 | |
| 1260 | |
| 1261 | if (ofVersion == OFVersion.OF_10) { |
| 1262 | expect(swImplBase.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)) |
| 1263 | .andReturn(true).once(); |
| 1264 | |
| 1265 | swImplBase.write(capture(writeCapture)); |
| 1266 | expectLastCall().anyTimes(); |
| 1267 | } |
| 1268 | replay(swImplBase); |
| 1269 | |
| 1270 | handler.sendRoleRequest(Role.SLAVE, RoleRecvStatus.MATCHED_SET_ROLE); |
| 1271 | |
| 1272 | List<OFMessage> msgs = getMessagesFromCapture(); |
| 1273 | assertEquals(1, msgs.size()); |
| 1274 | verifyNiciraMessage((OFExperimenter) msgs.get(0)); |
| 1275 | |
| 1276 | |
| 1277 | OFMessage reply = getRoleReply(xid, Role.SLAVE); |
| 1278 | OFStatsReply sr = createDescriptionStatsReply(); |
| 1279 | setupMessageEvent(Collections.<OFMessage>singletonList(reply)); |
| 1280 | |
| 1281 | // mock controller |
| 1282 | reset(controller); |
| 1283 | reset(swImplBase); |
| 1284 | |
| 1285 | controller.transitionToEqualSwitch(1000); |
| 1286 | expectLastCall().once(); |
| 1287 | expect(controller.getOFSwitchInstance((OFDescStatsReply) sr, ofVersion)) |
| 1288 | .andReturn(swImplBase).anyTimes(); |
| 1289 | |
| 1290 | expect(controller.getDebugCounter()) |
| 1291 | .andReturn(debugCounterService).anyTimes(); |
| 1292 | |
| 1293 | replay(controller); |
| 1294 | |
| 1295 | expect(swImplBase.getStringId()) |
| 1296 | .andReturn(null).anyTimes(); |
| 1297 | expect(swImplBase.getRole()).andReturn(Role.MASTER).atLeastOnce(); |
| 1298 | expect(swImplBase.getNextTransactionId()) |
| 1299 | .andReturn(xid).anyTimes(); |
| 1300 | |
| 1301 | // prepare mocks and inject the role reply message |
| 1302 | swImplBase.setRole(Role.SLAVE); |
| 1303 | expectLastCall().once(); |
| 1304 | expect(swImplBase.getId()) |
| 1305 | .andReturn(1000L).once(); |
| 1306 | replay(swImplBase); |
| 1307 | |
| 1308 | handler.messageReceived(ctx, messageEvent); |
| 1309 | |
| 1310 | assertEquals(OFChannelHandler.ChannelState.EQUAL, |
| 1311 | handler.getStateForTesting()); |
| 1312 | } |
| 1313 | |
| 1314 | @Test |
| 1315 | public void testMultiRoleChange1() throws Exception { |
| 1316 | moveToMasterWithHandshakeComplete(); |
| 1317 | changeRoleToMasterWithRequest(); |
| 1318 | changeRoleToSlaveWithRequest(); |
| 1319 | changeRoleToSlaveWithRequest(); |
| 1320 | changeRoleToMasterWithRequest(); |
| 1321 | changeRoleToSlaveWithRequest(); |
| 1322 | } |
| 1323 | |
| 1324 | @Test |
| 1325 | public void testMultiRoleChange2() throws Exception { |
| 1326 | moveToSlaveWithHandshakeComplete(); |
| 1327 | changeRoleToMasterWithRequest(); |
| 1328 | changeRoleToSlaveWithRequest(); |
| 1329 | changeRoleToSlaveWithRequest(); |
| 1330 | changeRoleToMasterWithRequest(); |
| 1331 | changeRoleToSlaveWithRequest(); |
| 1332 | } |
| 1333 | |
| 1334 | /** |
| 1335 | * Start from scratch and reply with an unexpected error to the role |
| 1336 | * change request. |
| 1337 | * Builds on doMoveToWaitInitialRole() |
| 1338 | * adds testing for WAIT_INITAL_ROLE state |
| 1339 | */ |
| 1340 | /* TBD |
| 1341 | @Test |
| 1342 | public void testInitialRoleChangeOtherError() throws Exception { |
| 1343 | int xid = 4343; |
| 1344 | // first, move us to WAIT_INITIAL_ROLE_STATE |
| 1345 | moveToWaitInitialRole(); |
| 1346 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1347 | handler.getStateForTesting()); |
| 1348 | |
| 1349 | reset(swImplBase); |
| 1350 | // Set the role |
| 1351 | setupSwitchSendRoleRequestAndVerify(true, xid, Role.MASTER); |
| 1352 | assertEquals(OFChannelHandler.ChannelState.WAIT_INITIAL_ROLE, |
| 1353 | handler.getStateForTesting()); |
| 1354 | |
| 1355 | |
| 1356 | // FIXME: shouldn't use ordinal(), but OFError is broken |
| 1357 | |
| 1358 | OFMessage err = factory.errorMsgs().buildBadActionErrorMsg() |
| 1359 | .setCode(OFBadActionCode.BAD_LEN) |
| 1360 | .setXid(2000) |
| 1361 | .build(); |
| 1362 | verify(swImplBase); |
| 1363 | reset(swImplBase); |
| 1364 | replay(swImplBase); |
| 1365 | sendMessageToHandlerWithControllerReset(Collections.singletonList(err)); |
| 1366 | |
| 1367 | verifyExceptionCaptured(SwitchStateException.class); |
| 1368 | } |
| 1369 | */ |
| 1370 | /** |
| 1371 | * Test dispatch of messages while in MASTER role. |
| 1372 | */ |
| 1373 | @Test |
| 1374 | public void testMessageDispatchMaster() throws Exception { |
| 1375 | |
| 1376 | moveToMasterWithHandshakeComplete(); |
| 1377 | |
| 1378 | // Send packet in. expect dispatch |
| 1379 | OFPacketIn pi = (OFPacketIn) |
| 1380 | buildOFMessage(OFType.PACKET_IN); |
| 1381 | setupMessageEvent(Collections.<OFMessage>singletonList(pi)); |
| 1382 | |
| 1383 | reset(swImplBase); |
| 1384 | swImplBase.handleMessage(pi); |
| 1385 | expectLastCall().once(); |
| 1386 | replay(swImplBase); |
| 1387 | // send the description stats reply |
| 1388 | handler.messageReceived(ctx, messageEvent); |
| 1389 | |
| 1390 | assertEquals(OFChannelHandler.ChannelState.MASTER, |
| 1391 | handler.getStateForTesting()); |
| 1392 | |
| 1393 | verify(controller); |
| 1394 | // TODO: many more to go |
| 1395 | } |
| 1396 | |
| 1397 | /** |
| 1398 | * Test port status message handling while MASTER. |
| 1399 | * |
| 1400 | */ |
| 1401 | /* Patrick: TBD |
| 1402 | @Test |
| 1403 | public void testPortStatusMessageMaster() throws Exception { |
| 1404 | long dpid = featuresReply.getDatapathId().getLong(); |
| 1405 | testInitialMoveToMasterWithRole(); |
| 1406 | List<OFPortDesc> ports = new ArrayList<OFPortDesc>(); |
| 1407 | // A dummy port. |
| 1408 | OFPortDesc p = factory.buildPortDesc() |
| 1409 | .setName("Eth1") |
| 1410 | .setPortNo(OFPort.ofInt(1)) |
| 1411 | .build(); |
| 1412 | ports.add(p); |
| 1413 | |
| 1414 | p.setName("Port1"); |
| 1415 | p.setPortNumber((short)1); |
| 1416 | |
| 1417 | OFPortStatus ps = (OFPortStatus)buildOFMessage(OFType.PORT_STATUS); |
| 1418 | ps.setDesc(p); |
| 1419 | |
| 1420 | // The events we expect sw.handlePortStatus to return |
| 1421 | // We'll just use the same list for all valid OFPortReasons and add |
| 1422 | // arbitrary events for arbitrary ports that are not necessarily |
| 1423 | // related to the port status message. Our goal |
| 1424 | // here is not to return the correct set of events but the make sure |
| 1425 | // that a) sw.handlePortStatus is called |
| 1426 | // b) the list of events sw.handlePortStatus returns is sent |
| 1427 | // as IOFSwitchListener notifications. |
| 1428 | OrderedCollection<PortChangeEvent> events = |
| 1429 | new LinkedHashSetWrapper<PortChangeEvent>(); |
| 1430 | ImmutablePort p1 = ImmutablePort.create("eth1", (short)1); |
| 1431 | ImmutablePort p2 = ImmutablePort.create("eth2", (short)2); |
| 1432 | ImmutablePort p3 = ImmutablePort.create("eth3", (short)3); |
| 1433 | ImmutablePort p4 = ImmutablePort.create("eth4", (short)4); |
| 1434 | ImmutablePort p5 = ImmutablePort.create("eth5", (short)5); |
| 1435 | events.add(new PortChangeEvent(p1, PortChangeType.ADD)); |
| 1436 | events.add(new PortChangeEvent(p2, PortChangeType.DELETE)); |
| 1437 | events.add(new PortChangeEvent(p3, PortChangeType.UP)); |
| 1438 | events.add(new PortChangeEvent(p4, PortChangeType.DOWN)); |
| 1439 | events.add(new PortChangeEvent(p5, PortChangeType.OTHER_UPDATE)); |
| 1440 | |
| 1441 | |
| 1442 | for (OFPortReason reason: OFPortReason.values()) { |
| 1443 | ps.setReason(reason.getReasonCode()); |
| 1444 | |
| 1445 | reset(sw); |
| 1446 | expect(sw.getId()).andReturn(dpid).anyTimes(); |
| 1447 | |
| 1448 | expect(sw.processOFPortStatus(ps)).andReturn(events).once(); |
| 1449 | replay(sw); |
| 1450 | |
| 1451 | reset(controller); |
| 1452 | controller.notifyPortChanged(sw, p1, PortChangeType.ADD); |
| 1453 | controller.notifyPortChanged(sw, p2, PortChangeType.DELETE); |
| 1454 | controller.notifyPortChanged(sw, p3, PortChangeType.UP); |
| 1455 | controller.notifyPortChanged(sw, p4, PortChangeType.DOWN); |
| 1456 | controller.notifyPortChanged(sw, p5, PortChangeType.OTHER_UPDATE); |
| 1457 | sendMessageToHandlerNoControllerReset( |
| 1458 | Collections.<OFMessage>singletonList(ps)); |
| 1459 | verify(sw); |
| 1460 | verify(controller); |
| 1461 | } |
| 1462 | } |
| 1463 | |
| 1464 | */ |
| 1465 | /** |
| 1466 | * Build an OF message. |
| 1467 | * @throws IOException |
| 1468 | */ |
| 1469 | private OFMessage buildOFMessage(OFType t) throws IOException { |
| 1470 | OFMessage m = null; |
| 1471 | switch (t) { |
| 1472 | |
| 1473 | case HELLO: |
| 1474 | // The OF protocol requires us to start things off by sending the highest |
| 1475 | // version of the protocol supported. |
| 1476 | |
| 1477 | // bitmap represents OF1.0 (ofp_version=0x01) and OF1.3 (ofp_version=0x04) |
| 1478 | // see Sec. 7.5.1 of the OF1.3.4 spec |
| 1479 | if (ofVersion == OFVersion.OF_13) { |
| 1480 | U32 bitmap = U32.ofRaw(0x00000012); |
| 1481 | OFHelloElem hem = factory13.buildHelloElemVersionbitmap() |
| 1482 | .setBitmaps(Collections.singletonList(bitmap)) |
| 1483 | .build(); |
| 1484 | m = factory13.buildHello() |
| 1485 | .setXid(2000) |
| 1486 | .setElements(Collections.singletonList(hem)) |
| 1487 | .build(); |
| 1488 | } else { |
| 1489 | m = factory10.buildHello() |
| 1490 | .setXid(2000) |
| 1491 | .build(); |
| 1492 | } |
| 1493 | break; |
| 1494 | case FEATURES_REQUEST: |
| 1495 | m = factory.buildFeaturesRequest() |
| 1496 | .setXid(2000) |
| 1497 | .build(); |
| 1498 | break; |
| 1499 | case FEATURES_REPLY: |
| 1500 | |
| 1501 | m = factory.buildFeaturesReply() |
| 1502 | .setDatapathId(DatapathId.of(1000L)) |
| 1503 | .setXid(2000) |
| 1504 | .build(); |
| 1505 | break; |
| 1506 | case SET_CONFIG: |
| 1507 | m = factory.buildSetConfig() |
| 1508 | .setMissSendLen((short) 0xffff) |
| 1509 | .setXid(2000) |
| 1510 | .build(); |
| 1511 | break; |
| 1512 | case BARRIER_REQUEST: |
| 1513 | m = factory.buildBarrierRequest() |
| 1514 | .setXid(2000) |
| 1515 | .build(); |
| 1516 | break; |
| 1517 | case GET_CONFIG_REQUEST: |
| 1518 | m = factory.buildGetConfigRequest() |
| 1519 | .setXid(2000) |
| 1520 | .build(); |
| 1521 | break; |
| 1522 | case GET_CONFIG_REPLY: |
| 1523 | m = factory.buildGetConfigReply() |
| 1524 | .setMissSendLen((short) 0xffff) |
| 1525 | .setXid(2000) |
| 1526 | .build(); |
| 1527 | break; |
| 1528 | case STATS_REQUEST: |
| 1529 | break; |
| 1530 | case STATS_REPLY: |
| 1531 | m = factory.buildDescStatsReply() |
| 1532 | .setDpDesc("Datapath Description") |
| 1533 | .setHwDesc("Hardware Secription") |
| 1534 | .setMfrDesc("Manufacturer Desctiption") |
| 1535 | .setSerialNum("Serial Number") |
| 1536 | .setSwDesc("Software Desription") |
| 1537 | .build(); |
| 1538 | break; |
| 1539 | case ECHO_REQUEST: |
| 1540 | m = factory.buildEchoRequest() |
| 1541 | .setXid(2000) |
| 1542 | .build(); |
| 1543 | break; |
| 1544 | case FLOW_REMOVED: |
| 1545 | break; |
| 1546 | |
| 1547 | case PACKET_IN: |
| 1548 | m = factory.buildPacketIn() |
| 1549 | .setReason(OFPacketInReason.NO_MATCH) |
| 1550 | .setTotalLen(1500) |
| 1551 | .setXid(2000) |
| 1552 | .build(); |
| 1553 | break; |
| 1554 | case PORT_STATUS: |
| 1555 | m = factory.buildPortStatus() |
| 1556 | .setXid(2000) |
| 1557 | .build(); |
| 1558 | break; |
| 1559 | |
| 1560 | default: |
| 1561 | m = factory.buildFeaturesRequest() |
| 1562 | .setXid(2000) |
| 1563 | .build(); |
| 1564 | break; |
| 1565 | } |
| 1566 | |
| 1567 | return (m); |
| 1568 | } |
| 1569 | } |