Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright 2011, Big Switch Networks, Inc. |
| 3 | * Originally created by David Erickson, Stanford University |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 6 | * not use this file except in compliance with the License. You may obtain |
| 7 | * a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | **/ |
| 17 | |
| 18 | package net.floodlightcontroller.core.internal; |
| 19 | |
HIGUCHI Yuta | 5968f72 | 2013-06-12 10:58:50 -0700 | [diff] [blame] | 20 | import static org.easymock.EasyMock.anyObject; |
| 21 | import static org.easymock.EasyMock.capture; |
| 22 | import static org.easymock.EasyMock.createMock; |
| 23 | import static org.easymock.EasyMock.createNiceMock; |
| 24 | import static org.easymock.EasyMock.eq; |
| 25 | import static org.easymock.EasyMock.expect; |
| 26 | import static org.easymock.EasyMock.expectLastCall; |
| 27 | import static org.easymock.EasyMock.isA; |
| 28 | import static org.easymock.EasyMock.replay; |
| 29 | import static org.easymock.EasyMock.reset; |
| 30 | import static org.easymock.EasyMock.same; |
| 31 | import static org.easymock.EasyMock.verify; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 32 | |
| 33 | import java.util.ArrayList; |
| 34 | import java.util.Collection; |
| 35 | import java.util.Date; |
| 36 | import java.util.HashMap; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 37 | import java.util.List; |
| 38 | import java.util.Map; |
| 39 | import java.util.concurrent.ConcurrentHashMap; |
| 40 | import java.util.concurrent.Future; |
| 41 | import java.util.concurrent.TimeUnit; |
| 42 | |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 43 | import net.floodlightcontroller.core.FloodlightContext; |
HIGUCHI Yuta | 5968f72 | 2013-06-12 10:58:50 -0700 | [diff] [blame] | 44 | import net.floodlightcontroller.core.FloodlightProvider; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 45 | import net.floodlightcontroller.core.IFloodlightProviderService; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 46 | import net.floodlightcontroller.core.IFloodlightProviderService.Role; |
HIGUCHI Yuta | 5968f72 | 2013-06-12 10:58:50 -0700 | [diff] [blame] | 47 | import net.floodlightcontroller.core.IHAListener; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 48 | import net.floodlightcontroller.core.IListener.Command; |
HIGUCHI Yuta | 5968f72 | 2013-06-12 10:58:50 -0700 | [diff] [blame] | 49 | import net.floodlightcontroller.core.IOFMessageListener; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 50 | import net.floodlightcontroller.core.IOFSwitch; |
| 51 | import net.floodlightcontroller.core.IOFSwitchListener; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 52 | import net.floodlightcontroller.core.internal.Controller.IUpdate; |
| 53 | import net.floodlightcontroller.core.internal.Controller.SwitchUpdate; |
| 54 | import net.floodlightcontroller.core.internal.Controller.SwitchUpdateType; |
| 55 | import net.floodlightcontroller.core.internal.OFChannelState.HandshakeState; |
| 56 | import net.floodlightcontroller.core.module.FloodlightModuleContext; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 57 | import net.floodlightcontroller.core.test.MockThreadPoolService; |
| 58 | import net.floodlightcontroller.counter.CounterStore; |
| 59 | import net.floodlightcontroller.counter.ICounterStoreService; |
| 60 | import net.floodlightcontroller.packet.ARP; |
| 61 | import net.floodlightcontroller.packet.Ethernet; |
| 62 | import net.floodlightcontroller.packet.IPacket; |
| 63 | import net.floodlightcontroller.packet.IPv4; |
| 64 | import net.floodlightcontroller.perfmon.IPktInProcessingTimeService; |
| 65 | import net.floodlightcontroller.perfmon.PktInProcessingTime; |
| 66 | import net.floodlightcontroller.restserver.IRestApiService; |
| 67 | import net.floodlightcontroller.restserver.RestApiServer; |
| 68 | import net.floodlightcontroller.storage.IStorageSourceService; |
| 69 | import net.floodlightcontroller.storage.memory.MemoryStorageSource; |
| 70 | import net.floodlightcontroller.test.FloodlightTestCase; |
| 71 | import net.floodlightcontroller.threadpool.IThreadPoolService; |
HIGUCHI Yuta | 36cf076 | 2013-06-14 14:25:38 -0700 | [diff] [blame] | 72 | import net.onrc.onos.ofcontroller.core.IOFSwitchPortListener; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 73 | |
| 74 | import org.easymock.Capture; |
| 75 | import org.easymock.EasyMock; |
| 76 | import org.jboss.netty.channel.Channel; |
| 77 | import org.junit.Test; |
| 78 | import org.openflow.protocol.OFError; |
| 79 | import org.openflow.protocol.OFError.OFBadRequestCode; |
| 80 | import org.openflow.protocol.OFError.OFErrorType; |
| 81 | import org.openflow.protocol.OFFeaturesReply; |
| 82 | import org.openflow.protocol.OFPacketIn; |
HIGUCHI Yuta | 5968f72 | 2013-06-12 10:58:50 -0700 | [diff] [blame] | 83 | import org.openflow.protocol.OFPacketIn.OFPacketInReason; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 84 | import org.openflow.protocol.OFPhysicalPort; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 85 | import org.openflow.protocol.OFPortStatus; |
HIGUCHI Yuta | 5968f72 | 2013-06-12 10:58:50 -0700 | [diff] [blame] | 86 | import org.openflow.protocol.OFPortStatus.OFPortReason; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 87 | import org.openflow.protocol.OFStatisticsReply; |
| 88 | import org.openflow.protocol.OFType; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 89 | import org.openflow.protocol.OFVendor; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 90 | import org.openflow.protocol.factory.BasicFactory; |
| 91 | import org.openflow.protocol.statistics.OFFlowStatisticsReply; |
| 92 | import org.openflow.protocol.statistics.OFStatistics; |
| 93 | import org.openflow.protocol.statistics.OFStatisticsType; |
| 94 | import org.openflow.util.HexString; |
| 95 | import org.openflow.vendor.nicira.OFNiciraVendorData; |
| 96 | import org.openflow.vendor.nicira.OFRoleReplyVendorData; |
| 97 | |
| 98 | /** |
| 99 | * |
| 100 | * @author David Erickson (daviderickson@cs.stanford.edu) |
| 101 | */ |
| 102 | public class ControllerTest extends FloodlightTestCase { |
| 103 | |
| 104 | private Controller controller; |
| 105 | private MockThreadPoolService tp; |
| 106 | |
| 107 | @Override |
| 108 | public void setUp() throws Exception { |
| 109 | super.setUp(); |
| 110 | FloodlightModuleContext fmc = new FloodlightModuleContext(); |
| 111 | |
| 112 | FloodlightProvider cm = new FloodlightProvider(); |
| 113 | controller = (Controller)cm.getServiceImpls().get(IFloodlightProviderService.class); |
| 114 | fmc.addService(IFloodlightProviderService.class, controller); |
| 115 | |
| 116 | MemoryStorageSource memstorage = new MemoryStorageSource(); |
| 117 | fmc.addService(IStorageSourceService.class, memstorage); |
| 118 | |
| 119 | RestApiServer restApi = new RestApiServer(); |
| 120 | fmc.addService(IRestApiService.class, restApi); |
| 121 | |
| 122 | CounterStore cs = new CounterStore(); |
| 123 | fmc.addService(ICounterStoreService.class, cs); |
| 124 | |
| 125 | PktInProcessingTime ppt = new PktInProcessingTime(); |
| 126 | fmc.addService(IPktInProcessingTimeService.class, ppt); |
| 127 | |
| 128 | tp = new MockThreadPoolService(); |
| 129 | fmc.addService(IThreadPoolService.class, tp); |
| 130 | |
| 131 | ppt.init(fmc); |
| 132 | restApi.init(fmc); |
| 133 | memstorage.init(fmc); |
| 134 | cm.init(fmc); |
| 135 | tp.init(fmc); |
| 136 | ppt.startUp(fmc); |
| 137 | restApi.startUp(fmc); |
| 138 | memstorage.startUp(fmc); |
| 139 | cm.startUp(fmc); |
| 140 | tp.startUp(fmc); |
| 141 | } |
| 142 | |
| 143 | public Controller getController() { |
| 144 | return controller; |
| 145 | } |
| 146 | |
| 147 | protected OFStatisticsReply getStatisticsReply(int transactionId, |
| 148 | int count, boolean moreReplies) { |
| 149 | OFStatisticsReply sr = new OFStatisticsReply(); |
| 150 | sr.setXid(transactionId); |
| 151 | sr.setStatisticType(OFStatisticsType.FLOW); |
| 152 | List<OFStatistics> statistics = new ArrayList<OFStatistics>(); |
| 153 | for (int i = 0; i < count; ++i) { |
| 154 | statistics.add(new OFFlowStatisticsReply()); |
| 155 | } |
| 156 | sr.setStatistics(statistics); |
| 157 | if (moreReplies) |
| 158 | sr.setFlags((short) 1); |
| 159 | return sr; |
| 160 | } |
| 161 | |
| 162 | /* Set the mock expectations for sw when sw is passed to addSwitch */ |
| 163 | protected void setupSwitchForAddSwitch(IOFSwitch sw, long dpid) { |
| 164 | String dpidString = HexString.toHexString(dpid); |
| 165 | |
| 166 | expect(sw.getId()).andReturn(dpid).anyTimes(); |
| 167 | expect(sw.getStringId()).andReturn(dpidString).anyTimes(); |
| 168 | expect(sw.getConnectedSince()).andReturn(new Date()); |
| 169 | Channel channel = createMock(Channel.class); |
| 170 | expect(sw.getChannel()).andReturn(channel); |
| 171 | expect(channel.getRemoteAddress()).andReturn(null); |
| 172 | |
| 173 | expect(sw.getCapabilities()).andReturn(0).anyTimes(); |
| 174 | expect(sw.getBuffers()).andReturn(0).anyTimes(); |
| 175 | expect(sw.getTables()).andReturn((byte)0).anyTimes(); |
| 176 | expect(sw.getActions()).andReturn(0).anyTimes(); |
| 177 | expect(sw.getPorts()).andReturn(new ArrayList<OFPhysicalPort>()).anyTimes(); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Run the controller's main loop so that updates are processed |
| 182 | */ |
| 183 | protected class ControllerRunThread extends Thread { |
| 184 | public void run() { |
| 185 | controller.openFlowPort = 0; // Don't listen |
| 186 | controller.run(); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Verify that a listener that throws an exception halts further |
| 192 | * execution, and verify that the Commands STOP and CONTINUE are honored. |
| 193 | * @throws Exception |
| 194 | */ |
| 195 | @Test |
| 196 | public void testHandleMessages() throws Exception { |
| 197 | Controller controller = getController(); |
| 198 | controller.removeOFMessageListeners(OFType.PACKET_IN); |
| 199 | |
| 200 | IOFSwitch sw = createMock(IOFSwitch.class); |
| 201 | expect(sw.getStringId()).andReturn("00:00:00:00:00:00:00").anyTimes(); |
| 202 | |
| 203 | // Build our test packet |
| 204 | IPacket testPacket = new Ethernet() |
| 205 | .setSourceMACAddress("00:44:33:22:11:00") |
| 206 | .setDestinationMACAddress("00:11:22:33:44:55") |
| 207 | .setEtherType(Ethernet.TYPE_ARP) |
| 208 | .setPayload( |
| 209 | new ARP() |
| 210 | .setHardwareType(ARP.HW_TYPE_ETHERNET) |
| 211 | .setProtocolType(ARP.PROTO_TYPE_IP) |
| 212 | .setHardwareAddressLength((byte) 6) |
| 213 | .setProtocolAddressLength((byte) 4) |
| 214 | .setOpCode(ARP.OP_REPLY) |
| 215 | .setSenderHardwareAddress(Ethernet.toMACAddress("00:44:33:22:11:00")) |
| 216 | .setSenderProtocolAddress(IPv4.toIPv4AddressBytes("192.168.1.1")) |
| 217 | .setTargetHardwareAddress(Ethernet.toMACAddress("00:11:22:33:44:55")) |
| 218 | .setTargetProtocolAddress(IPv4.toIPv4AddressBytes("192.168.1.2"))); |
| 219 | byte[] testPacketSerialized = testPacket.serialize(); |
| 220 | |
| 221 | // Build the PacketIn |
| 222 | OFPacketIn pi = ((OFPacketIn) new BasicFactory().getMessage(OFType.PACKET_IN)) |
| 223 | .setBufferId(-1) |
| 224 | .setInPort((short) 1) |
| 225 | .setPacketData(testPacketSerialized) |
| 226 | .setReason(OFPacketInReason.NO_MATCH) |
| 227 | .setTotalLength((short) testPacketSerialized.length); |
| 228 | |
| 229 | IOFMessageListener test1 = createMock(IOFMessageListener.class); |
| 230 | expect(test1.getName()).andReturn("test1").anyTimes(); |
| 231 | expect(test1.isCallbackOrderingPrereq((OFType)anyObject(), (String)anyObject())).andReturn(false).anyTimes(); |
| 232 | expect(test1.isCallbackOrderingPostreq((OFType)anyObject(), (String)anyObject())).andReturn(false).anyTimes(); |
| 233 | expect(test1.receive(eq(sw), eq(pi), isA(FloodlightContext.class))).andThrow(new RuntimeException("This is NOT an error! We are testing exception catching.")); |
| 234 | IOFMessageListener test2 = createMock(IOFMessageListener.class); |
| 235 | expect(test2.getName()).andReturn("test2").anyTimes(); |
| 236 | expect(test2.isCallbackOrderingPrereq((OFType)anyObject(), (String)anyObject())).andReturn(false).anyTimes(); |
| 237 | expect(test2.isCallbackOrderingPostreq((OFType)anyObject(), (String)anyObject())).andReturn(false).anyTimes(); |
| 238 | // expect no calls to test2.receive() since test1.receive() threw an exception |
| 239 | |
| 240 | replay(test1, test2, sw); |
| 241 | controller.addOFMessageListener(OFType.PACKET_IN, test1); |
| 242 | controller.addOFMessageListener(OFType.PACKET_IN, test2); |
| 243 | try { |
| 244 | controller.handleMessage(sw, pi, null); |
| 245 | } catch (RuntimeException e) { |
| 246 | assertEquals(e.getMessage().startsWith("This is NOT an error!"), true); |
| 247 | } |
| 248 | verify(test1, test2, sw); |
| 249 | |
| 250 | // verify STOP works |
| 251 | reset(test1, test2, sw); |
| 252 | expect(test1.receive(eq(sw), eq(pi), isA(FloodlightContext.class))).andReturn(Command.STOP); |
| 253 | //expect(test1.getId()).andReturn(0).anyTimes(); |
| 254 | expect(sw.getStringId()).andReturn("00:00:00:00:00:00:00").anyTimes(); |
| 255 | replay(test1, test2, sw); |
| 256 | controller.handleMessage(sw, pi, null); |
| 257 | verify(test1, test2, sw); |
| 258 | } |
| 259 | |
| 260 | public class FutureFetcher<E> implements Runnable { |
| 261 | public E value; |
| 262 | public Future<E> future; |
| 263 | |
| 264 | public FutureFetcher(Future<E> future) { |
| 265 | this.future = future; |
| 266 | } |
| 267 | |
| 268 | @Override |
| 269 | public void run() { |
| 270 | try { |
| 271 | value = future.get(); |
| 272 | } catch (Exception e) { |
| 273 | throw new RuntimeException(e); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * @return the value |
| 279 | */ |
| 280 | public E getValue() { |
| 281 | return value; |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * @return the future |
| 286 | */ |
| 287 | public Future<E> getFuture() { |
| 288 | return future; |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * |
| 294 | * @throws Exception |
| 295 | */ |
| 296 | @Test |
| 297 | public void testOFStatisticsFuture() throws Exception { |
| 298 | // Test for a single stats reply |
| 299 | IOFSwitch sw = createMock(IOFSwitch.class); |
| 300 | sw.cancelStatisticsReply(1); |
| 301 | OFStatisticsFuture sf = new OFStatisticsFuture(tp, sw, 1); |
| 302 | |
| 303 | replay(sw); |
| 304 | List<OFStatistics> stats; |
| 305 | FutureFetcher<List<OFStatistics>> ff = new FutureFetcher<List<OFStatistics>>(sf); |
| 306 | Thread t = new Thread(ff); |
| 307 | t.start(); |
| 308 | sf.deliverFuture(sw, getStatisticsReply(1, 10, false)); |
| 309 | |
| 310 | t.join(); |
| 311 | stats = ff.getValue(); |
| 312 | verify(sw); |
| 313 | assertEquals(10, stats.size()); |
| 314 | |
| 315 | // Test multiple stats replies |
| 316 | reset(sw); |
| 317 | sw.cancelStatisticsReply(1); |
| 318 | |
| 319 | sf = new OFStatisticsFuture(tp, sw, 1); |
| 320 | |
| 321 | replay(sw); |
| 322 | ff = new FutureFetcher<List<OFStatistics>>(sf); |
| 323 | t = new Thread(ff); |
| 324 | t.start(); |
| 325 | sf.deliverFuture(sw, getStatisticsReply(1, 10, true)); |
| 326 | sf.deliverFuture(sw, getStatisticsReply(1, 5, false)); |
| 327 | t.join(); |
| 328 | |
| 329 | stats = sf.get(); |
| 330 | verify(sw); |
| 331 | assertEquals(15, stats.size()); |
| 332 | |
| 333 | // Test cancellation |
| 334 | reset(sw); |
| 335 | sw.cancelStatisticsReply(1); |
| 336 | sf = new OFStatisticsFuture(tp, sw, 1); |
| 337 | |
| 338 | replay(sw); |
| 339 | ff = new FutureFetcher<List<OFStatistics>>(sf); |
| 340 | t = new Thread(ff); |
| 341 | t.start(); |
| 342 | sf.cancel(true); |
| 343 | t.join(); |
| 344 | |
| 345 | stats = sf.get(); |
| 346 | verify(sw); |
| 347 | assertEquals(0, stats.size()); |
| 348 | |
| 349 | // Test self timeout |
| 350 | reset(sw); |
| 351 | sw.cancelStatisticsReply(1); |
| 352 | sf = new OFStatisticsFuture(tp, sw, 1, 75, TimeUnit.MILLISECONDS); |
| 353 | |
| 354 | replay(sw); |
| 355 | ff = new FutureFetcher<List<OFStatistics>>(sf); |
| 356 | t = new Thread(ff); |
| 357 | t.start(); |
| 358 | t.join(2000); |
| 359 | |
| 360 | stats = sf.get(); |
| 361 | verify(sw); |
| 362 | assertEquals(0, stats.size()); |
| 363 | } |
| 364 | |
| 365 | @Test |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 366 | public void testAddSwitch() throws Exception { |
| 367 | controller.activeSwitches = new ConcurrentHashMap<Long, IOFSwitch>(); |
| 368 | |
| 369 | //OFSwitchImpl oldsw = createMock(OFSwitchImpl.class); |
| 370 | OFSwitchImpl oldsw = new OFSwitchImpl(); |
| 371 | OFFeaturesReply featuresReply = new OFFeaturesReply(); |
| 372 | featuresReply.setDatapathId(0L); |
| 373 | featuresReply.setPorts(new ArrayList<OFPhysicalPort>()); |
| 374 | oldsw.setFeaturesReply(featuresReply); |
| 375 | //expect(oldsw.getId()).andReturn(0L).anyTimes(); |
| 376 | //expect(oldsw.asyncRemoveSwitchLock()).andReturn(rwlock.writeLock()).anyTimes(); |
| 377 | //oldsw.setConnected(false); |
| 378 | //expect(oldsw.getStringId()).andReturn("00:00:00:00:00:00:00").anyTimes(); |
| 379 | |
| 380 | Channel channel = createNiceMock(Channel.class); |
| 381 | //expect(oldsw.getChannel()).andReturn(channel); |
| 382 | oldsw.setChannel(channel); |
| 383 | expect(channel.close()).andReturn(null); |
| 384 | |
| 385 | IOFSwitch newsw = createMock(IOFSwitch.class); |
| 386 | expect(newsw.getId()).andReturn(0L).anyTimes(); |
| 387 | expect(newsw.getStringId()).andReturn("00:00:00:00:00:00:00").anyTimes(); |
| 388 | expect(newsw.getConnectedSince()).andReturn(new Date()); |
| 389 | Channel channel2 = createMock(Channel.class); |
| 390 | expect(newsw.getChannel()).andReturn(channel2); |
| 391 | expect(channel2.getRemoteAddress()).andReturn(null); |
| 392 | expect(newsw.getPorts()).andReturn(new ArrayList<OFPhysicalPort>()); |
| 393 | expect(newsw.getCapabilities()).andReturn(0).anyTimes(); |
| 394 | expect(newsw.getBuffers()).andReturn(0).anyTimes(); |
| 395 | expect(newsw.getTables()).andReturn((byte)0).anyTimes(); |
| 396 | expect(newsw.getActions()).andReturn(0).anyTimes(); |
Jonathan Hart | fe99038 | 2013-02-06 15:22:32 -0800 | [diff] [blame] | 397 | expect(newsw.getPorts()).andReturn(new ArrayList<OFPhysicalPort>()); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 398 | controller.activeSwitches.put(0L, oldsw); |
| 399 | replay(newsw, channel, channel2); |
| 400 | |
| 401 | controller.addSwitch(newsw); |
| 402 | |
| 403 | verify(newsw, channel, channel2); |
| 404 | } |
| 405 | |
| 406 | @Test |
| 407 | public void testUpdateQueue() throws Exception { |
HIGUCHI Yuta | 36cf076 | 2013-06-14 14:25:38 -0700 | [diff] [blame] | 408 | class DummySwitchListener implements IOFSwitchListener, IOFSwitchPortListener { |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 409 | public int nAdded; |
| 410 | public int nRemoved; |
| 411 | public int nPortChanged; |
| 412 | public DummySwitchListener() { |
| 413 | nAdded = 0; |
| 414 | nRemoved = 0; |
| 415 | nPortChanged = 0; |
| 416 | } |
| 417 | public synchronized void addedSwitch(IOFSwitch sw) { |
| 418 | nAdded++; |
| 419 | notifyAll(); |
| 420 | } |
| 421 | public synchronized void removedSwitch(IOFSwitch sw) { |
| 422 | nRemoved++; |
| 423 | notifyAll(); |
| 424 | } |
| 425 | public String getName() { |
| 426 | return "dummy"; |
| 427 | } |
| 428 | @Override |
| 429 | public void switchPortChanged(Long switchId) { |
| 430 | nPortChanged++; |
| 431 | notifyAll(); |
| 432 | } |
Pankaj Berde | 3ee2bfe | 2013-06-10 21:30:14 -0700 | [diff] [blame] | 433 | @Override |
| 434 | public void switchPortAdded(Long switchId, OFPhysicalPort port) { |
| 435 | // TODO Auto-generated method stub |
| 436 | |
| 437 | } |
| 438 | @Override |
| 439 | public void switchPortRemoved(Long switchId, OFPhysicalPort port) { |
| 440 | // TODO Auto-generated method stub |
| 441 | |
| 442 | } |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 443 | } |
| 444 | DummySwitchListener switchListener = new DummySwitchListener(); |
| 445 | IOFSwitch sw = createMock(IOFSwitch.class); |
| 446 | ControllerRunThread t = new ControllerRunThread(); |
| 447 | t.start(); |
| 448 | |
| 449 | controller.addOFSwitchListener(switchListener); |
| 450 | synchronized(switchListener) { |
| 451 | controller.updates.put(controller.new SwitchUpdate(sw, |
| 452 | Controller.SwitchUpdateType.ADDED)); |
| 453 | switchListener.wait(500); |
| 454 | assertTrue("IOFSwitchListener.addedSwitch() was not called", |
| 455 | switchListener.nAdded == 1); |
| 456 | controller.updates.put(controller.new SwitchUpdate(sw, |
| 457 | Controller.SwitchUpdateType.REMOVED)); |
| 458 | switchListener.wait(500); |
| 459 | assertTrue("IOFSwitchListener.removedSwitch() was not called", |
| 460 | switchListener.nRemoved == 1); |
| 461 | controller.updates.put(controller.new SwitchUpdate(sw, |
| 462 | Controller.SwitchUpdateType.PORTCHANGED)); |
| 463 | switchListener.wait(500); |
| 464 | assertTrue("IOFSwitchListener.switchPortChanged() was not called", |
| 465 | switchListener.nPortChanged == 1); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | |
| 470 | private Map<String,Object> getFakeControllerIPRow(String id, String controllerId, |
| 471 | String type, int number, String discoveredIP ) { |
| 472 | HashMap<String, Object> row = new HashMap<String,Object>(); |
| 473 | row.put(Controller.CONTROLLER_INTERFACE_ID, id); |
| 474 | row.put(Controller.CONTROLLER_INTERFACE_CONTROLLER_ID, controllerId); |
| 475 | row.put(Controller.CONTROLLER_INTERFACE_TYPE, type); |
| 476 | row.put(Controller.CONTROLLER_INTERFACE_NUMBER, number); |
| 477 | row.put(Controller.CONTROLLER_INTERFACE_DISCOVERED_IP, discoveredIP); |
| 478 | return row; |
| 479 | } |
| 480 | |
| 481 | /** |
| 482 | * Test notifications for controller node IP changes. This requires |
| 483 | * synchronization between the main test thread and another thread |
| 484 | * that runs Controller's main loop and takes / handles updates. We |
| 485 | * synchronize with wait(timeout) / notifyAll(). We check for the |
| 486 | * expected condition after the wait returns. However, if wait returns |
| 487 | * due to the timeout (or due to spurious awaking) and the check fails we |
| 488 | * might just not have waited long enough. Using a long enough timeout |
| 489 | * mitigates this but we cannot get rid of the fundamental "issue". |
| 490 | * |
| 491 | * @throws Exception |
| 492 | */ |
| 493 | @Test |
| 494 | public void testControllerNodeIPChanges() throws Exception { |
| 495 | class DummyHAListener implements IHAListener { |
| 496 | public Map<String, String> curControllerNodeIPs; |
| 497 | public Map<String, String> addedControllerNodeIPs; |
| 498 | public Map<String, String> removedControllerNodeIPs; |
| 499 | public int nCalled; |
| 500 | |
| 501 | public DummyHAListener() { |
| 502 | this.nCalled = 0; |
| 503 | } |
| 504 | |
| 505 | @Override |
| 506 | public void roleChanged(Role oldRole, Role newRole) { |
| 507 | // ignore |
| 508 | } |
| 509 | |
| 510 | @Override |
| 511 | public synchronized void controllerNodeIPsChanged( |
| 512 | Map<String, String> curControllerNodeIPs, |
| 513 | Map<String, String> addedControllerNodeIPs, |
| 514 | Map<String, String> removedControllerNodeIPs) { |
| 515 | this.curControllerNodeIPs = curControllerNodeIPs; |
| 516 | this.addedControllerNodeIPs = addedControllerNodeIPs; |
| 517 | this.removedControllerNodeIPs = removedControllerNodeIPs; |
| 518 | this.nCalled++; |
| 519 | notifyAll(); |
| 520 | } |
| 521 | |
| 522 | public void do_assert(int nCalled, |
| 523 | Map<String, String> curControllerNodeIPs, |
| 524 | Map<String, String> addedControllerNodeIPs, |
| 525 | Map<String, String> removedControllerNodeIPs) { |
| 526 | assertEquals("nCalled is not as expected", nCalled, this.nCalled); |
| 527 | assertEquals("curControllerNodeIPs is not as expected", |
| 528 | curControllerNodeIPs, this.curControllerNodeIPs); |
| 529 | assertEquals("addedControllerNodeIPs is not as expected", |
| 530 | addedControllerNodeIPs, this.addedControllerNodeIPs); |
| 531 | assertEquals("removedControllerNodeIPs is not as expected", |
| 532 | removedControllerNodeIPs, this.removedControllerNodeIPs); |
| 533 | |
| 534 | } |
| 535 | } |
| 536 | long waitTimeout = 250; // ms |
| 537 | DummyHAListener listener = new DummyHAListener(); |
| 538 | HashMap<String,String> expectedCurMap = new HashMap<String, String>(); |
| 539 | HashMap<String,String> expectedAddedMap = new HashMap<String, String>(); |
| 540 | HashMap<String,String> expectedRemovedMap = new HashMap<String, String>(); |
| 541 | |
| 542 | controller.addHAListener(listener); |
| 543 | ControllerRunThread t = new ControllerRunThread(); |
| 544 | t.start(); |
| 545 | |
| 546 | synchronized(listener) { |
| 547 | // Insert a first entry |
| 548 | controller.storageSource.insertRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 549 | getFakeControllerIPRow("row1", "c1", "Ethernet", 0, "1.1.1.1")); |
| 550 | expectedCurMap.clear(); |
| 551 | expectedAddedMap.clear(); |
| 552 | expectedRemovedMap.clear(); |
| 553 | expectedCurMap.put("c1", "1.1.1.1"); |
| 554 | expectedAddedMap.put("c1", "1.1.1.1"); |
| 555 | listener.wait(waitTimeout); |
| 556 | listener.do_assert(1, expectedCurMap, expectedAddedMap, expectedRemovedMap); |
| 557 | |
| 558 | // Add an interface that we want to ignore. |
| 559 | controller.storageSource.insertRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 560 | getFakeControllerIPRow("row2", "c1", "Ethernet", 1, "1.1.1.2")); |
| 561 | listener.wait(waitTimeout); // TODO: do a different check. This call will have to wait for the timeout |
| 562 | assertTrue("controllerNodeIPsChanged() should not have been called here", |
| 563 | listener.nCalled == 1); |
| 564 | |
| 565 | // Add another entry |
| 566 | controller.storageSource.insertRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 567 | getFakeControllerIPRow("row3", "c2", "Ethernet", 0, "2.2.2.2")); |
| 568 | expectedCurMap.clear(); |
| 569 | expectedAddedMap.clear(); |
| 570 | expectedRemovedMap.clear(); |
| 571 | expectedCurMap.put("c1", "1.1.1.1"); |
| 572 | expectedCurMap.put("c2", "2.2.2.2"); |
| 573 | expectedAddedMap.put("c2", "2.2.2.2"); |
| 574 | listener.wait(waitTimeout); |
| 575 | listener.do_assert(2, expectedCurMap, expectedAddedMap, expectedRemovedMap); |
| 576 | |
| 577 | |
| 578 | // Update an entry |
| 579 | controller.storageSource.updateRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 580 | "row3", getFakeControllerIPRow("row3", "c2", "Ethernet", 0, "2.2.2.3")); |
| 581 | expectedCurMap.clear(); |
| 582 | expectedAddedMap.clear(); |
| 583 | expectedRemovedMap.clear(); |
| 584 | expectedCurMap.put("c1", "1.1.1.1"); |
| 585 | expectedCurMap.put("c2", "2.2.2.3"); |
| 586 | expectedAddedMap.put("c2", "2.2.2.3"); |
| 587 | expectedRemovedMap.put("c2", "2.2.2.2"); |
| 588 | listener.wait(waitTimeout); |
| 589 | listener.do_assert(3, expectedCurMap, expectedAddedMap, expectedRemovedMap); |
| 590 | |
| 591 | // Delete an entry |
| 592 | controller.storageSource.deleteRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 593 | "row3"); |
| 594 | expectedCurMap.clear(); |
| 595 | expectedAddedMap.clear(); |
| 596 | expectedRemovedMap.clear(); |
| 597 | expectedCurMap.put("c1", "1.1.1.1"); |
| 598 | expectedRemovedMap.put("c2", "2.2.2.3"); |
| 599 | listener.wait(waitTimeout); |
| 600 | listener.do_assert(4, expectedCurMap, expectedAddedMap, expectedRemovedMap); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | @Test |
| 605 | public void testGetControllerNodeIPs() { |
| 606 | HashMap<String,String> expectedCurMap = new HashMap<String, String>(); |
| 607 | |
| 608 | controller.storageSource.insertRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 609 | getFakeControllerIPRow("row1", "c1", "Ethernet", 0, "1.1.1.1")); |
| 610 | controller.storageSource.insertRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 611 | getFakeControllerIPRow("row2", "c1", "Ethernet", 1, "1.1.1.2")); |
| 612 | controller.storageSource.insertRow(Controller.CONTROLLER_INTERFACE_TABLE_NAME, |
| 613 | getFakeControllerIPRow("row3", "c2", "Ethernet", 0, "2.2.2.2")); |
| 614 | expectedCurMap.put("c1", "1.1.1.1"); |
| 615 | expectedCurMap.put("c2", "2.2.2.2"); |
| 616 | assertEquals("expectedControllerNodeIPs is not as expected", |
| 617 | expectedCurMap, controller.getControllerNodeIPs()); |
| 618 | } |
| 619 | |
| 620 | @Test |
| 621 | public void testSetRoleNull() { |
| 622 | try { |
| 623 | controller.setRole(null); |
| 624 | fail("Should have thrown an Exception"); |
| 625 | } |
| 626 | catch (NullPointerException e) { |
| 627 | //exptected |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | @Test |
| 632 | public void testSetRole() { |
| 633 | controller.connectedSwitches.add(new OFSwitchImpl()); |
| 634 | RoleChanger roleChanger = createMock(RoleChanger.class); |
| 635 | roleChanger.submitRequest(controller.connectedSwitches, Role.SLAVE); |
| 636 | controller.roleChanger = roleChanger; |
| 637 | |
| 638 | assertEquals("Check that update queue is empty", 0, |
| 639 | controller.updates.size()); |
| 640 | |
| 641 | replay(roleChanger); |
| 642 | controller.setRole(Role.SLAVE); |
| 643 | verify(roleChanger); |
| 644 | |
| 645 | Controller.IUpdate upd = controller.updates.poll(); |
| 646 | assertNotNull("Check that update queue has an update", upd); |
| 647 | assertTrue("Check that update is HARoleUpdate", |
| 648 | upd instanceof Controller.HARoleUpdate); |
| 649 | Controller.HARoleUpdate roleUpd = (Controller.HARoleUpdate)upd; |
| 650 | assertSame(null, roleUpd.oldRole); |
| 651 | assertSame(Role.SLAVE, roleUpd.newRole); |
| 652 | } |
| 653 | |
| 654 | @Test |
| 655 | public void testCheckSwitchReady() { |
| 656 | OFChannelState state = new OFChannelState(); |
| 657 | Controller.OFChannelHandler chdlr = controller.new OFChannelHandler(state); |
| 658 | chdlr.sw = createMock(OFSwitchImpl.class); |
| 659 | |
| 660 | // Wrong current state |
| 661 | // Should not go to READY |
| 662 | state.hsState = OFChannelState.HandshakeState.HELLO; |
| 663 | state.hasDescription = true; |
| 664 | state.hasGetConfigReply = true; |
| 665 | replay(chdlr.sw); // nothing called on sw |
| 666 | chdlr.checkSwitchReady(); |
| 667 | verify(chdlr.sw); |
| 668 | assertSame(OFChannelState.HandshakeState.HELLO, state.hsState); |
| 669 | reset(chdlr.sw); |
| 670 | |
| 671 | // Have only config reply |
| 672 | state.hsState = OFChannelState.HandshakeState.FEATURES_REPLY; |
| 673 | state.hasDescription = false; |
| 674 | state.hasGetConfigReply = true; |
| 675 | replay(chdlr.sw); |
| 676 | chdlr.checkSwitchReady(); |
| 677 | verify(chdlr.sw); |
| 678 | assertSame(OFChannelState.HandshakeState.FEATURES_REPLY, state.hsState); |
| 679 | assertTrue(controller.connectedSwitches.isEmpty()); |
| 680 | assertTrue(controller.activeSwitches.isEmpty()); |
| 681 | reset(chdlr.sw); |
| 682 | |
| 683 | // Have only desc reply |
| 684 | state.hsState = OFChannelState.HandshakeState.FEATURES_REPLY; |
| 685 | state.hasDescription = true; |
| 686 | state.hasGetConfigReply = false; |
| 687 | replay(chdlr.sw); |
| 688 | chdlr.checkSwitchReady(); |
| 689 | verify(chdlr.sw); |
| 690 | assertSame(OFChannelState.HandshakeState.FEATURES_REPLY, state.hsState); |
| 691 | assertTrue(controller.connectedSwitches.isEmpty()); |
| 692 | assertTrue(controller.activeSwitches.isEmpty()); |
| 693 | reset(chdlr.sw); |
| 694 | |
| 695 | ////////////////////////////////////////// |
| 696 | // Finally, everything is right. Should advance to READY |
| 697 | ////////////////////////////////////////// |
| 698 | controller.roleChanger = createMock(RoleChanger.class); |
| 699 | state.hsState = OFChannelState.HandshakeState.FEATURES_REPLY; |
| 700 | state.hasDescription = true; |
| 701 | state.hasGetConfigReply = true; |
| 702 | // Role support disabled. Switch should be promoted to active switch |
| 703 | // list. |
| 704 | setupSwitchForAddSwitch(chdlr.sw, 0L); |
| 705 | chdlr.sw.clearAllFlowMods(); |
| 706 | replay(controller.roleChanger, chdlr.sw); |
| 707 | chdlr.checkSwitchReady(); |
| 708 | verify(controller.roleChanger, chdlr.sw); |
| 709 | assertSame(OFChannelState.HandshakeState.READY, state.hsState); |
| 710 | assertSame(chdlr.sw, controller.activeSwitches.get(0L)); |
| 711 | assertTrue(controller.connectedSwitches.contains(chdlr.sw)); |
| 712 | assertTrue(state.firstRoleReplyReceived); |
| 713 | reset(chdlr.sw); |
| 714 | reset(controller.roleChanger); |
| 715 | controller.connectedSwitches.clear(); |
| 716 | controller.activeSwitches.clear(); |
| 717 | |
| 718 | |
| 719 | // Role support enabled. |
| 720 | state.hsState = OFChannelState.HandshakeState.FEATURES_REPLY; |
| 721 | controller.role = Role.MASTER; |
| 722 | Capture<Collection<OFSwitchImpl>> swListCapture = |
| 723 | new Capture<Collection<OFSwitchImpl>>(); |
| 724 | controller.roleChanger.submitRequest(capture(swListCapture), |
| 725 | same(Role.MASTER)); |
| 726 | replay(controller.roleChanger, chdlr.sw); |
| 727 | chdlr.checkSwitchReady(); |
| 728 | verify(controller.roleChanger, chdlr.sw); |
| 729 | assertSame(OFChannelState.HandshakeState.READY, state.hsState); |
| 730 | assertTrue(controller.activeSwitches.isEmpty()); |
| 731 | assertTrue(controller.connectedSwitches.contains(chdlr.sw)); |
| 732 | assertTrue(state.firstRoleReplyReceived); |
| 733 | Collection<OFSwitchImpl> swList = swListCapture.getValue(); |
| 734 | assertEquals(1, swList.size()); |
| 735 | assertTrue("swList must contain this switch", swList.contains(chdlr.sw)); |
| 736 | } |
| 737 | |
| 738 | |
| 739 | @Test |
| 740 | public void testChannelDisconnected() throws Exception { |
| 741 | OFChannelState state = new OFChannelState(); |
| 742 | state.hsState = OFChannelState.HandshakeState.READY; |
| 743 | Controller.OFChannelHandler chdlr = controller.new OFChannelHandler(state); |
| 744 | chdlr.sw = createMock(OFSwitchImpl.class); |
| 745 | |
| 746 | // Switch is active |
| 747 | expect(chdlr.sw.getId()).andReturn(0L).anyTimes(); |
| 748 | expect(chdlr.sw.getStringId()).andReturn("00:00:00:00:00:00:00:00") |
| 749 | .anyTimes(); |
| 750 | chdlr.sw.cancelAllStatisticsReplies(); |
| 751 | chdlr.sw.setConnected(false); |
| 752 | expect(chdlr.sw.isConnected()).andReturn(true); |
| 753 | |
| 754 | controller.connectedSwitches.add(chdlr.sw); |
| 755 | controller.activeSwitches.put(0L, chdlr.sw); |
| 756 | |
| 757 | replay(chdlr.sw); |
| 758 | chdlr.channelDisconnected(null, null); |
| 759 | verify(chdlr.sw); |
| 760 | |
| 761 | // Switch is connected but not active |
| 762 | reset(chdlr.sw); |
| 763 | expect(chdlr.sw.getId()).andReturn(0L).anyTimes(); |
| 764 | chdlr.sw.setConnected(false); |
| 765 | replay(chdlr.sw); |
| 766 | chdlr.channelDisconnected(null, null); |
| 767 | verify(chdlr.sw); |
| 768 | |
| 769 | // Not in ready state |
| 770 | state.hsState = HandshakeState.START; |
| 771 | reset(chdlr.sw); |
| 772 | replay(chdlr.sw); |
| 773 | chdlr.channelDisconnected(null, null); |
| 774 | verify(chdlr.sw); |
| 775 | |
| 776 | // Switch is null |
| 777 | state.hsState = HandshakeState.READY; |
| 778 | chdlr.sw = null; |
| 779 | chdlr.channelDisconnected(null, null); |
| 780 | } |
| 781 | |
| 782 | /* |
| 783 | @Test |
| 784 | public void testRoleChangeForSerialFailoverSwitch() throws Exception { |
| 785 | OFSwitchImpl newsw = createMock(OFSwitchImpl.class); |
| 786 | expect(newsw.getId()).andReturn(0L).anyTimes(); |
| 787 | expect(newsw.getStringId()).andReturn("00:00:00:00:00:00:00").anyTimes(); |
| 788 | Channel channel2 = createMock(Channel.class); |
| 789 | expect(newsw.getChannel()).andReturn(channel2); |
| 790 | |
| 791 | // newsw.role is null because the switch does not support |
| 792 | // role request messages |
| 793 | expect(newsw.getAttribute(IOFSwitch.SWITCH_SUPPORTS_NX_ROLE)) |
| 794 | .andReturn(false); |
| 795 | // switch is connected |
| 796 | controller.connectedSwitches.add(newsw); |
| 797 | |
| 798 | // the switch should get disconnected when role is changed to SLAVE |
| 799 | expect(channel2.close()).andReturn(null); |
| 800 | |
| 801 | replay(newsw, channel2); |
| 802 | controller.setRole(Role.SLAVE); |
| 803 | verify(newsw, channel2); |
| 804 | } |
| 805 | */ |
| 806 | |
| 807 | @Test |
| 808 | public void testRoleNotSupportedError() throws Exception { |
| 809 | int xid = 424242; |
| 810 | OFChannelState state = new OFChannelState(); |
| 811 | state.hsState = HandshakeState.READY; |
| 812 | Controller.OFChannelHandler chdlr = controller.new OFChannelHandler(state); |
| 813 | chdlr.sw = createMock(OFSwitchImpl.class); |
| 814 | Channel ch = createMock(Channel.class); |
| 815 | |
| 816 | // the error returned when role request message is not supported by sw |
| 817 | OFError msg = new OFError(); |
| 818 | msg.setType(OFType.ERROR); |
| 819 | msg.setXid(xid); |
| 820 | msg.setErrorType(OFErrorType.OFPET_BAD_REQUEST); |
| 821 | msg.setErrorCode(OFBadRequestCode.OFPBRC_BAD_VENDOR); |
| 822 | |
| 823 | // the switch connection should get disconnected when the controller is |
| 824 | // in SLAVE mode and the switch does not support role-request messages |
| 825 | state.firstRoleReplyReceived = false; |
| 826 | controller.role = Role.SLAVE; |
| 827 | expect(chdlr.sw.checkFirstPendingRoleRequestXid(xid)).andReturn(true); |
HIGUCHI Yuta | eae374d | 2013-06-17 10:39:42 -0700 | [diff] [blame^] | 828 | chdlr.sw.deliverRoleRequestNotSupportedEx(xid); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 829 | expect(chdlr.sw.getChannel()).andReturn(ch).anyTimes(); |
| 830 | expect(ch.close()).andReturn(null); |
| 831 | |
| 832 | replay(ch, chdlr.sw); |
| 833 | chdlr.processOFMessage(msg); |
| 834 | verify(ch, chdlr.sw); |
| 835 | assertTrue("state.firstRoleReplyReceived must be true", |
| 836 | state.firstRoleReplyReceived); |
| 837 | assertTrue("activeSwitches must be empty", |
| 838 | controller.activeSwitches.isEmpty()); |
| 839 | reset(ch, chdlr.sw); |
| 840 | |
| 841 | |
| 842 | // a different error message - should also reject role request |
| 843 | msg.setErrorType(OFErrorType.OFPET_BAD_REQUEST); |
| 844 | msg.setErrorCode(OFBadRequestCode.OFPBRC_EPERM); |
| 845 | state.firstRoleReplyReceived = false; |
| 846 | controller.role = Role.SLAVE; |
| 847 | expect(chdlr.sw.checkFirstPendingRoleRequestXid(xid)).andReturn(true); |
HIGUCHI Yuta | eae374d | 2013-06-17 10:39:42 -0700 | [diff] [blame^] | 848 | chdlr.sw.deliverRoleRequestNotSupportedEx(xid); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 849 | expect(chdlr.sw.getChannel()).andReturn(ch).anyTimes(); |
| 850 | expect(ch.close()).andReturn(null); |
| 851 | replay(ch, chdlr.sw); |
| 852 | |
| 853 | chdlr.processOFMessage(msg); |
| 854 | verify(ch, chdlr.sw); |
| 855 | assertTrue("state.firstRoleReplyReceived must be True even with EPERM", |
| 856 | state.firstRoleReplyReceived); |
| 857 | assertTrue("activeSwitches must be empty", |
| 858 | controller.activeSwitches.isEmpty()); |
| 859 | reset(ch, chdlr.sw); |
| 860 | |
| 861 | |
| 862 | // We are MASTER, the switch should be added to the list of active |
| 863 | // switches. |
| 864 | state.firstRoleReplyReceived = false; |
| 865 | controller.role = Role.MASTER; |
| 866 | expect(chdlr.sw.checkFirstPendingRoleRequestXid(xid)).andReturn(true); |
HIGUCHI Yuta | eae374d | 2013-06-17 10:39:42 -0700 | [diff] [blame^] | 867 | chdlr.sw.deliverRoleRequestNotSupportedEx(xid); |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 868 | setupSwitchForAddSwitch(chdlr.sw, 0L); |
| 869 | chdlr.sw.clearAllFlowMods(); |
| 870 | replay(ch, chdlr.sw); |
| 871 | |
| 872 | chdlr.processOFMessage(msg); |
| 873 | verify(ch, chdlr.sw); |
| 874 | assertTrue("state.firstRoleReplyReceived must be true", |
| 875 | state.firstRoleReplyReceived); |
| 876 | assertSame("activeSwitches must contain this switch", |
| 877 | chdlr.sw, controller.activeSwitches.get(0L)); |
| 878 | reset(ch, chdlr.sw); |
| 879 | |
| 880 | } |
| 881 | |
| 882 | |
| 883 | @Test |
| 884 | public void testVendorMessageUnknown() throws Exception { |
| 885 | // Check behavior with an unknown vendor id |
| 886 | OFChannelState state = new OFChannelState(); |
| 887 | state.hsState = HandshakeState.READY; |
| 888 | Controller.OFChannelHandler chdlr = controller.new OFChannelHandler(state); |
| 889 | OFVendor msg = new OFVendor(); |
| 890 | msg.setVendor(0); |
| 891 | chdlr.processOFMessage(msg); |
| 892 | } |
| 893 | |
| 894 | |
| 895 | // Helper function. |
| 896 | protected Controller.OFChannelHandler getChannelHandlerForRoleReplyTest() { |
| 897 | OFChannelState state = new OFChannelState(); |
| 898 | state.hsState = HandshakeState.READY; |
| 899 | Controller.OFChannelHandler chdlr = controller.new OFChannelHandler(state); |
| 900 | chdlr.sw = createMock(OFSwitchImpl.class); |
| 901 | return chdlr; |
| 902 | } |
| 903 | |
| 904 | // Helper function |
| 905 | protected OFVendor getRoleReplyMsgForRoleReplyTest(int xid, int nicira_role) { |
| 906 | OFVendor msg = new OFVendor(); |
| 907 | msg.setXid(xid); |
| 908 | msg.setVendor(OFNiciraVendorData.NX_VENDOR_ID); |
| 909 | OFRoleReplyVendorData roleReplyVendorData = |
| 910 | new OFRoleReplyVendorData(OFRoleReplyVendorData.NXT_ROLE_REPLY); |
| 911 | msg.setVendorData(roleReplyVendorData); |
| 912 | roleReplyVendorData.setRole(nicira_role); |
| 913 | return msg; |
| 914 | } |
| 915 | |
| 916 | /** invalid role in role reply */ |
| 917 | @Test |
| 918 | public void testNiciraRoleReplyInvalidRole() |
| 919 | throws Exception { |
| 920 | int xid = 424242; |
| 921 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 922 | Channel ch = createMock(Channel.class); |
| 923 | expect(chdlr.sw.getChannel()).andReturn(ch); |
| 924 | expect(ch.close()).andReturn(null); |
| 925 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, 232323); |
| 926 | replay(chdlr.sw, ch); |
| 927 | chdlr.processOFMessage(msg); |
| 928 | verify(chdlr.sw, ch); |
| 929 | } |
| 930 | |
| 931 | /** First role reply message received: transition from slave to master */ |
| 932 | @Test |
| 933 | public void testNiciraRoleReplySlave2MasterFristTime() |
| 934 | throws Exception { |
| 935 | int xid = 424242; |
| 936 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 937 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, |
| 938 | OFRoleReplyVendorData.NX_ROLE_MASTER); |
| 939 | |
| 940 | chdlr.sw.deliverRoleReply(xid, Role.MASTER); |
| 941 | expect(chdlr.sw.isActive()).andReturn(true); |
| 942 | setupSwitchForAddSwitch(chdlr.sw, 1L); |
| 943 | chdlr.sw.clearAllFlowMods(); |
| 944 | chdlr.state.firstRoleReplyReceived = false; |
| 945 | replay(chdlr.sw); |
| 946 | chdlr.processOFMessage(msg); |
| 947 | verify(chdlr.sw); |
| 948 | assertTrue("state.firstRoleReplyReceived must be true", |
| 949 | chdlr.state.firstRoleReplyReceived); |
| 950 | assertSame("activeSwitches must contain this switch", |
| 951 | chdlr.sw, controller.activeSwitches.get(1L)); |
| 952 | } |
| 953 | |
| 954 | |
| 955 | /** Not first role reply message received: transition from slave to master */ |
| 956 | @Test |
| 957 | public void testNiciraRoleReplySlave2MasterNotFristTime() |
| 958 | throws Exception { |
| 959 | int xid = 424242; |
| 960 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 961 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, |
| 962 | OFRoleReplyVendorData.NX_ROLE_MASTER); |
| 963 | |
| 964 | chdlr.sw.deliverRoleReply(xid, Role.MASTER); |
| 965 | expect(chdlr.sw.isActive()).andReturn(true); |
| 966 | setupSwitchForAddSwitch(chdlr.sw, 1L); |
| 967 | chdlr.state.firstRoleReplyReceived = true; |
| 968 | // Flow table shouldn't be wipe |
| 969 | replay(chdlr.sw); |
| 970 | chdlr.processOFMessage(msg); |
| 971 | verify(chdlr.sw); |
| 972 | assertTrue("state.firstRoleReplyReceived must be true", |
| 973 | chdlr.state.firstRoleReplyReceived); |
| 974 | assertSame("activeSwitches must contain this switch", |
| 975 | chdlr.sw, controller.activeSwitches.get(1L)); |
| 976 | } |
| 977 | |
| 978 | /** transition from slave to equal */ |
| 979 | @Test |
| 980 | public void testNiciraRoleReplySlave2Equal() |
| 981 | throws Exception { |
| 982 | int xid = 424242; |
| 983 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 984 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, |
| 985 | OFRoleReplyVendorData.NX_ROLE_OTHER); |
| 986 | |
| 987 | chdlr.sw.deliverRoleReply(xid, Role.EQUAL); |
| 988 | expect(chdlr.sw.isActive()).andReturn(true); |
| 989 | setupSwitchForAddSwitch(chdlr.sw, 1L); |
| 990 | chdlr.sw.clearAllFlowMods(); |
| 991 | chdlr.state.firstRoleReplyReceived = false; |
| 992 | replay(chdlr.sw); |
| 993 | chdlr.processOFMessage(msg); |
| 994 | verify(chdlr.sw); |
| 995 | assertTrue("state.firstRoleReplyReceived must be true", |
| 996 | chdlr.state.firstRoleReplyReceived); |
| 997 | assertSame("activeSwitches must contain this switch", |
| 998 | chdlr.sw, controller.activeSwitches.get(1L)); |
| 999 | }; |
| 1000 | |
| 1001 | @Test |
| 1002 | /** Slave2Slave transition ==> no change */ |
| 1003 | public void testNiciraRoleReplySlave2Slave() throws Exception{ |
| 1004 | int xid = 424242; |
| 1005 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 1006 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, |
| 1007 | OFRoleReplyVendorData.NX_ROLE_SLAVE); |
| 1008 | |
| 1009 | chdlr.sw.deliverRoleReply(xid, Role.SLAVE); |
| 1010 | expect(chdlr.sw.getId()).andReturn(1L).anyTimes(); |
| 1011 | expect(chdlr.sw.getStringId()).andReturn("00:00:00:00:00:00:00:01") |
| 1012 | .anyTimes(); |
| 1013 | expect(chdlr.sw.isActive()).andReturn(false); |
| 1014 | // don't add switch to activeSwitches ==> slave2slave |
| 1015 | chdlr.state.firstRoleReplyReceived = false; |
| 1016 | replay(chdlr.sw); |
| 1017 | chdlr.processOFMessage(msg); |
| 1018 | verify(chdlr.sw); |
| 1019 | assertTrue("state.firstRoleReplyReceived must be true", |
| 1020 | chdlr.state.firstRoleReplyReceived); |
| 1021 | assertTrue("activeSwitches must be empty", |
| 1022 | controller.activeSwitches.isEmpty()); |
| 1023 | } |
| 1024 | |
| 1025 | @Test |
| 1026 | /** Equal2Master transition ==> no change */ |
| 1027 | public void testNiciraRoleReplyEqual2Master() throws Exception{ |
| 1028 | int xid = 424242; |
| 1029 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 1030 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, |
| 1031 | OFRoleReplyVendorData.NX_ROLE_MASTER); |
| 1032 | |
| 1033 | chdlr.sw.deliverRoleReply(xid, Role.MASTER); |
| 1034 | expect(chdlr.sw.getId()).andReturn(1L).anyTimes(); |
| 1035 | expect(chdlr.sw.getStringId()).andReturn("00:00:00:00:00:00:00:01") |
| 1036 | .anyTimes(); |
| 1037 | expect(chdlr.sw.isActive()).andReturn(true); |
| 1038 | controller.activeSwitches.put(1L, chdlr.sw); |
| 1039 | chdlr.state.firstRoleReplyReceived = false; |
| 1040 | replay(chdlr.sw); |
| 1041 | chdlr.processOFMessage(msg); |
| 1042 | verify(chdlr.sw); |
| 1043 | assertTrue("state.firstRoleReplyReceived must be true", |
| 1044 | chdlr.state.firstRoleReplyReceived); |
| 1045 | assertSame("activeSwitches must contain this switch", |
| 1046 | chdlr.sw, controller.activeSwitches.get(1L)); |
| 1047 | } |
| 1048 | |
| 1049 | @Test |
| 1050 | public void testNiciraRoleReplyMaster2Slave() |
| 1051 | throws Exception { |
| 1052 | int xid = 424242; |
| 1053 | Controller.OFChannelHandler chdlr = getChannelHandlerForRoleReplyTest(); |
| 1054 | OFVendor msg = getRoleReplyMsgForRoleReplyTest(xid, |
| 1055 | OFRoleReplyVendorData.NX_ROLE_SLAVE); |
| 1056 | |
| 1057 | chdlr.sw.deliverRoleReply(xid, Role.SLAVE); |
| 1058 | expect(chdlr.sw.getId()).andReturn(1L).anyTimes(); |
| 1059 | expect(chdlr.sw.getStringId()).andReturn("00:00:00:00:00:00:00:01") |
| 1060 | .anyTimes(); |
| 1061 | controller.activeSwitches.put(1L, chdlr.sw); |
| 1062 | expect(chdlr.sw.isActive()).andReturn(false); |
| 1063 | expect(chdlr.sw.isConnected()).andReturn(true); |
| 1064 | chdlr.sw.cancelAllStatisticsReplies(); |
| 1065 | chdlr.state.firstRoleReplyReceived = false; |
| 1066 | replay(chdlr.sw); |
| 1067 | chdlr.processOFMessage(msg); |
| 1068 | verify(chdlr.sw); |
| 1069 | assertTrue("state.firstRoleReplyReceived must be true", |
| 1070 | chdlr.state.firstRoleReplyReceived); |
| 1071 | assertTrue("activeSwitches must be empty", |
| 1072 | controller.activeSwitches.isEmpty()); |
| 1073 | } |
| 1074 | |
| 1075 | /** |
| 1076 | * Tests that you can't remove a switch from the active |
| 1077 | * switch list. |
| 1078 | * @throws Exception |
| 1079 | */ |
| 1080 | @Test |
| 1081 | public void testRemoveActiveSwitch() { |
| 1082 | IOFSwitch sw = EasyMock.createNiceMock(IOFSwitch.class); |
| 1083 | boolean exceptionThrown = false; |
| 1084 | expect(sw.getId()).andReturn(1L).anyTimes(); |
| 1085 | replay(sw); |
| 1086 | getController().activeSwitches.put(sw.getId(), sw); |
| 1087 | try { |
| 1088 | getController().getSwitches().remove(1L); |
| 1089 | } catch (UnsupportedOperationException e) { |
| 1090 | exceptionThrown = true; |
| 1091 | } |
| 1092 | assertTrue(exceptionThrown); |
| 1093 | verify(sw); |
| 1094 | } |
| 1095 | |
| 1096 | public void verifyPortChangedUpdateInQueue(IOFSwitch sw) throws Exception { |
| 1097 | assertEquals(1, controller.updates.size()); |
| 1098 | IUpdate update = controller.updates.take(); |
| 1099 | assertEquals(true, update instanceof SwitchUpdate); |
| 1100 | SwitchUpdate swUpdate = (SwitchUpdate)update; |
| 1101 | assertEquals(sw, swUpdate.sw); |
| 1102 | assertEquals(SwitchUpdateType.PORTCHANGED, swUpdate.switchUpdateType); |
| 1103 | } |
| 1104 | |
| 1105 | /* |
| 1106 | * Test handlePortStatus() |
| 1107 | * TODO: test correct updateStorage behavior! |
| 1108 | */ |
| 1109 | @Test |
| 1110 | public void testHandlePortStatus() throws Exception { |
| 1111 | IOFSwitch sw = createMock(IOFSwitch.class); |
| 1112 | OFPhysicalPort port = new OFPhysicalPort(); |
| 1113 | port.setName("myPortName1"); |
| 1114 | port.setPortNumber((short)42); |
| 1115 | |
| 1116 | OFPortStatus ofps = new OFPortStatus(); |
| 1117 | ofps.setDesc(port); |
| 1118 | |
| 1119 | ofps.setReason((byte)OFPortReason.OFPPR_ADD.ordinal()); |
| 1120 | sw.setPort(port); |
| 1121 | expectLastCall().once(); |
| 1122 | replay(sw); |
| 1123 | controller.handlePortStatusMessage(sw, ofps, false); |
| 1124 | verify(sw); |
| 1125 | verifyPortChangedUpdateInQueue(sw); |
| 1126 | reset(sw); |
| 1127 | |
| 1128 | ofps.setReason((byte)OFPortReason.OFPPR_MODIFY.ordinal()); |
| 1129 | sw.setPort(port); |
| 1130 | expectLastCall().once(); |
| 1131 | replay(sw); |
| 1132 | controller.handlePortStatusMessage(sw, ofps, false); |
| 1133 | verify(sw); |
| 1134 | verifyPortChangedUpdateInQueue(sw); |
| 1135 | reset(sw); |
| 1136 | |
| 1137 | ofps.setReason((byte)OFPortReason.OFPPR_DELETE.ordinal()); |
| 1138 | sw.deletePort(port.getPortNumber()); |
| 1139 | expectLastCall().once(); |
| 1140 | replay(sw); |
| 1141 | controller.handlePortStatusMessage(sw, ofps, false); |
| 1142 | verify(sw); |
| 1143 | verifyPortChangedUpdateInQueue(sw); |
| 1144 | reset(sw); |
| 1145 | } |
| 1146 | } |