alshabib | 64231d8 | 2014-09-25 18:25:31 -0700 | [diff] [blame] | 1 | package org.onlab.onos.provider.of.link.impl; |
| 2 | |
| 3 | import static org.junit.Assert.assertEquals; |
| 4 | import static org.junit.Assert.assertFalse; |
| 5 | import static org.junit.Assert.assertNotNull; |
| 6 | import static org.junit.Assert.assertNull; |
| 7 | import static org.junit.Assert.assertTrue; |
| 8 | |
| 9 | import java.util.ArrayList; |
| 10 | import java.util.Collections; |
| 11 | import java.util.HashMap; |
| 12 | import java.util.List; |
| 13 | import java.util.Map; |
| 14 | import java.util.Set; |
| 15 | |
| 16 | import org.junit.After; |
| 17 | import org.junit.Before; |
| 18 | import org.junit.Test; |
| 19 | import org.onlab.onos.net.ConnectPoint; |
| 20 | import org.onlab.onos.net.DeviceId; |
| 21 | import org.onlab.onos.net.link.LinkDescription; |
| 22 | import org.onlab.onos.net.link.LinkProvider; |
| 23 | import org.onlab.onos.net.link.LinkProviderRegistry; |
| 24 | import org.onlab.onos.net.link.LinkProviderService; |
| 25 | import org.onlab.onos.net.provider.AbstractProviderService; |
| 26 | import org.onlab.onos.net.provider.ProviderId; |
| 27 | import org.onlab.onos.openflow.controller.Dpid; |
| 28 | import org.onlab.onos.openflow.controller.OpenFlowPacketContext; |
| 29 | import org.onlab.onos.openflow.controller.OpenFlowSwitch; |
| 30 | import org.onlab.onos.openflow.controller.OpenFlowSwitchListener; |
| 31 | import org.onlab.onos.openflow.controller.OpenflowControllerAdapter; |
| 32 | import org.onlab.onos.openflow.controller.PacketListener; |
| 33 | import org.onlab.onos.openflow.controller.RoleState; |
| 34 | import org.onlab.packet.Ethernet; |
| 35 | import org.onlab.packet.ONLabLddp; |
| 36 | import org.projectfloodlight.openflow.protocol.OFFactory; |
| 37 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 38 | import org.projectfloodlight.openflow.protocol.OFPortConfig; |
| 39 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| 40 | import org.projectfloodlight.openflow.protocol.OFPortReason; |
| 41 | import org.projectfloodlight.openflow.protocol.OFPortStatus; |
| 42 | import org.projectfloodlight.openflow.protocol.ver10.OFFactoryVer10; |
| 43 | import org.projectfloodlight.openflow.types.OFPort; |
| 44 | |
| 45 | import com.google.common.collect.Lists; |
| 46 | import com.google.common.collect.Maps; |
| 47 | |
| 48 | public class OpenFlowLinkProviderTest { |
| 49 | |
| 50 | |
| 51 | private static final DeviceId DID1 = DeviceId.deviceId("of:0000000000000001"); |
| 52 | private static final DeviceId DID2 = DeviceId.deviceId("of:0000000000000002"); |
| 53 | |
| 54 | private static final Dpid DPID2 = Dpid.dpid(DID2.uri()); |
| 55 | private static final Dpid DPID1 = Dpid.dpid(DID1.uri()); |
| 56 | |
| 57 | private static final OFPortDesc PD1 = portDesc(1, true); |
| 58 | private static final OFPortDesc PD2 = portDesc(2, true); |
| 59 | private static final OFPortDesc PD3 = portDesc(1, true); |
| 60 | private static final OFPortDesc PD4 = portDesc(2, true); |
| 61 | |
| 62 | private static final List<OFPortDesc> PLIST1 = Lists.newArrayList(PD1, PD2); |
| 63 | private static final List<OFPortDesc> PLIST2 = Lists.newArrayList(PD3, PD4); |
| 64 | |
| 65 | private static final TestOpenFlowSwitch SW1 = new TestOpenFlowSwitch(DPID1, PLIST1); |
| 66 | private static final TestOpenFlowSwitch SW2 = new TestOpenFlowSwitch(DPID2, PLIST2); |
| 67 | |
| 68 | private final OpenFlowLinkProvider provider = new OpenFlowLinkProvider(); |
| 69 | private final TestLinkRegistry linkService = new TestLinkRegistry(); |
| 70 | private final TestController controller = new TestController(); |
| 71 | |
| 72 | private TestLinkProviderService providerService; |
| 73 | private TestPacketContext pktCtx; |
| 74 | |
| 75 | @Before |
| 76 | public void setUp() { |
| 77 | pktCtx = new TestPacketContext(DPID2); |
| 78 | provider.providerRegistry = linkService; |
| 79 | controller.switchMap.put(DPID1, SW1); |
| 80 | controller.switchMap.put(DPID2, SW2); |
| 81 | provider.controller = controller; |
| 82 | provider.activate(); |
| 83 | } |
| 84 | |
| 85 | @Test |
| 86 | public void basics() { |
| 87 | assertNotNull("registration expected", providerService); |
| 88 | assertEquals("incorrect provider", provider, providerService.provider()); |
| 89 | } |
| 90 | |
| 91 | @Test |
| 92 | public void switchAdd() { |
| 93 | controller.listener.switchAdded(DPID1); |
| 94 | assertFalse("Device not added", provider.discoverers.isEmpty()); |
| 95 | } |
| 96 | |
| 97 | @Test |
| 98 | public void switchRemove() { |
| 99 | controller.listener.switchAdded(DPID1); |
| 100 | controller.listener.switchRemoved(DPID1); |
| 101 | |
| 102 | assertTrue("Discoverer is not gone", provider.discoverers.isEmpty()); |
| 103 | assertTrue("Device is not gone.", vanishedDpid(DPID1)); |
| 104 | } |
| 105 | |
| 106 | @Test |
| 107 | public void portUp() { |
| 108 | controller.listener.switchAdded(DPID1); |
| 109 | controller.listener.portChanged(DPID1, portStatus(true, 3)); |
| 110 | |
| 111 | assertTrue("Port not added to discoverer", |
| 112 | provider.discoverers.get(DPID1).ports.containsKey(3)); |
| 113 | } |
| 114 | |
| 115 | @Test |
| 116 | public void portDown() { |
| 117 | controller.listener.switchAdded(DPID1); |
| 118 | controller.listener.portChanged(DPID1, portStatus(false, 1)); |
| 119 | |
| 120 | assertFalse("Port added to discoverer", |
| 121 | provider.discoverers.get(DPID1).ports.containsKey(1)); |
| 122 | assertTrue("Port is not gone.", vanishedPort((long) 1)); |
| 123 | } |
| 124 | |
| 125 | @Test |
| 126 | public void portUnknown() { |
| 127 | controller.listener.switchAdded(DPID1); |
| 128 | controller.listener.portChanged(DPID2, portStatus(false, 1)); |
| 129 | |
| 130 | assertNull("DPID exists", |
| 131 | provider.discoverers.get(DPID2)); |
| 132 | } |
| 133 | |
| 134 | @Test |
| 135 | public void unknownPktCtx() { |
| 136 | controller.pktListener.handlePacket(pktCtx); |
| 137 | |
| 138 | assertFalse("Context should still be free", pktCtx.isHandled()); |
| 139 | } |
| 140 | |
| 141 | @Test |
| 142 | public void knownPktCtx() { |
| 143 | controller.listener.switchAdded(DPID1); |
| 144 | controller.listener.switchAdded(DPID2); |
| 145 | |
| 146 | controller.pktListener.handlePacket(pktCtx); |
| 147 | |
| 148 | assertTrue("Link not detected", detectedLink(DPID1, DPID2)); |
| 149 | |
| 150 | } |
| 151 | |
| 152 | |
| 153 | @After |
| 154 | public void tearDown() { |
| 155 | provider.deactivate(); |
| 156 | provider.providerRegistry = null; |
| 157 | provider.controller = null; |
| 158 | } |
| 159 | |
| 160 | private OFPortStatus portStatus(boolean up, int port) { |
| 161 | OFPortDesc desc = portDesc(port, up); |
| 162 | OFPortStatus status = OFFactoryVer10.INSTANCE.buildPortStatus() |
| 163 | .setDesc(desc) |
| 164 | .setReason(up ? OFPortReason.ADD : OFPortReason.DELETE).build(); |
| 165 | return status; |
| 166 | |
| 167 | } |
| 168 | |
| 169 | private static OFPortDesc portDesc(int port, boolean up) { |
| 170 | OFPortDesc.Builder builder = OFFactoryVer10.INSTANCE.buildPortDesc(); |
| 171 | builder.setPortNo(OFPort.of(port)); |
| 172 | if (!up) { |
| 173 | builder.setConfig(Collections.singleton(OFPortConfig.PORT_DOWN)); |
| 174 | } |
| 175 | return builder.build(); |
| 176 | } |
| 177 | |
| 178 | private boolean vanishedDpid(Dpid... dpids) { |
| 179 | for (int i = 0; i < dpids.length; i++) { |
| 180 | if (!providerService.vanishedDpid.contains(dpids[i])) { |
| 181 | return false; |
| 182 | } |
| 183 | } |
| 184 | return true; |
| 185 | } |
| 186 | |
| 187 | private boolean vanishedPort(Long... ports) { |
| 188 | for (int i = 0; i < ports.length; i++) { |
| 189 | if (!providerService.vanishedPort.contains(ports[i])) { |
| 190 | return false; |
| 191 | } |
| 192 | } |
| 193 | return true; |
| 194 | } |
| 195 | |
| 196 | private boolean detectedLink(Dpid src, Dpid dst) { |
| 197 | for (Dpid key : providerService.discoveredLinks.keySet()) { |
| 198 | if (key.equals(src)) { |
| 199 | return providerService.discoveredLinks.get(src).equals(dst); |
| 200 | } |
| 201 | } |
| 202 | return false; |
| 203 | } |
| 204 | |
| 205 | |
| 206 | private class TestLinkRegistry implements LinkProviderRegistry { |
| 207 | |
| 208 | @Override |
| 209 | public LinkProviderService register(LinkProvider provider) { |
| 210 | providerService = new TestLinkProviderService(provider); |
| 211 | return providerService; |
| 212 | } |
| 213 | |
| 214 | @Override |
| 215 | public void unregister(LinkProvider provider) { |
| 216 | } |
| 217 | |
| 218 | @Override |
| 219 | public Set<ProviderId> getProviders() { |
| 220 | return null; |
| 221 | } |
| 222 | |
| 223 | } |
| 224 | |
| 225 | private class TestLinkProviderService |
| 226 | extends AbstractProviderService<LinkProvider> |
| 227 | implements LinkProviderService { |
| 228 | |
| 229 | List<Dpid> vanishedDpid = Lists.newLinkedList(); |
| 230 | List<Long> vanishedPort = Lists.newLinkedList(); |
| 231 | Map<Dpid, Dpid> discoveredLinks = Maps.newHashMap(); |
| 232 | |
| 233 | protected TestLinkProviderService(LinkProvider provider) { |
| 234 | super(provider); |
| 235 | } |
| 236 | |
| 237 | @Override |
| 238 | public void linkDetected(LinkDescription linkDescription) { |
| 239 | Dpid sDpid = Dpid.dpid(linkDescription.src().deviceId().uri()); |
| 240 | Dpid dDpid = Dpid.dpid(linkDescription.dst().deviceId().uri()); |
| 241 | discoveredLinks.put(sDpid, dDpid); |
| 242 | } |
| 243 | |
| 244 | @Override |
| 245 | public void linkVanished(LinkDescription linkDescription) { |
| 246 | // TODO Auto-generated method stub |
| 247 | |
| 248 | } |
| 249 | |
| 250 | @Override |
| 251 | public void linksVanished(ConnectPoint connectPoint) { |
| 252 | vanishedPort.add(connectPoint.port().toLong()); |
| 253 | |
| 254 | } |
| 255 | |
| 256 | @Override |
| 257 | public void linksVanished(DeviceId deviceId) { |
| 258 | vanishedDpid.add(Dpid.dpid(deviceId.uri())); |
| 259 | } |
| 260 | |
| 261 | |
| 262 | } |
| 263 | |
| 264 | private class TestController extends OpenflowControllerAdapter { |
| 265 | PacketListener pktListener; |
| 266 | OpenFlowSwitchListener listener; |
| 267 | Map<Dpid, OpenFlowSwitch> switchMap = new HashMap<Dpid, OpenFlowSwitch>(); |
| 268 | |
| 269 | @Override |
| 270 | public void addPacketListener(int priority, PacketListener listener) { |
| 271 | pktListener = listener; |
| 272 | } |
| 273 | |
| 274 | @Override |
| 275 | public void removePacketListener(PacketListener listener) { |
| 276 | pktListener = null; |
| 277 | } |
| 278 | |
| 279 | @Override |
| 280 | public void addListener(OpenFlowSwitchListener listener) { |
| 281 | this.listener = listener; |
| 282 | } |
| 283 | |
| 284 | @Override |
| 285 | public void removeListener(OpenFlowSwitchListener listener) { |
| 286 | this.listener = null; |
| 287 | } |
| 288 | |
| 289 | @Override |
| 290 | public void processPacket(Dpid dpid, OFMessage msg) { |
| 291 | OpenFlowPacketContext ctx = new TestPacketContext(dpid); |
| 292 | pktListener.handlePacket(ctx); |
| 293 | } |
| 294 | |
| 295 | @Override |
| 296 | public Iterable<OpenFlowSwitch> getSwitches() { |
| 297 | return Collections.emptyList(); |
| 298 | } |
| 299 | |
| 300 | @Override |
| 301 | public OpenFlowSwitch getSwitch(Dpid dpid) { |
| 302 | return switchMap.get(dpid); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | |
| 307 | |
| 308 | private class TestPacketContext implements OpenFlowPacketContext { |
| 309 | |
| 310 | protected Dpid swid; |
| 311 | protected boolean blocked = false; |
| 312 | |
| 313 | public TestPacketContext(Dpid dpid) { |
| 314 | swid = dpid; |
| 315 | } |
| 316 | |
| 317 | @Override |
| 318 | public boolean block() { |
| 319 | blocked = true; |
| 320 | return blocked; |
| 321 | } |
| 322 | |
| 323 | @Override |
| 324 | public void send() { |
| 325 | } |
| 326 | |
| 327 | @Override |
| 328 | public void build(OFPort outPort) { |
| 329 | } |
| 330 | |
| 331 | @Override |
| 332 | public void build(Ethernet ethFrame, OFPort outPort) { |
| 333 | } |
| 334 | |
| 335 | @Override |
| 336 | public Ethernet parsed() { |
| 337 | return null; |
| 338 | } |
| 339 | |
| 340 | @Override |
| 341 | public byte[] unparsed() { |
| 342 | ONLabLddp lldp = new ONLabLddp(); |
| 343 | lldp.setSwitch(DPID1.value()); |
| 344 | |
| 345 | Ethernet ethPacket = new Ethernet(); |
| 346 | ethPacket.setEtherType(Ethernet.TYPE_LLDP); |
| 347 | ethPacket.setDestinationMACAddress(ONLabLddp.LLDP_NICIRA); |
| 348 | ethPacket.setPayload(lldp); |
| 349 | ethPacket.setPad(true); |
| 350 | |
| 351 | |
| 352 | lldp.setPort(PD1.getPortNo().getPortNumber()); |
| 353 | ethPacket.setSourceMACAddress(PD1.getHwAddr().getBytes()); |
| 354 | return ethPacket.serialize(); |
| 355 | |
| 356 | } |
| 357 | |
| 358 | @Override |
| 359 | public Dpid dpid() { |
| 360 | return swid; |
| 361 | } |
| 362 | |
| 363 | @Override |
| 364 | public Integer inPort() { |
| 365 | return PD3.getPortNo().getPortNumber(); |
| 366 | } |
| 367 | |
| 368 | @Override |
| 369 | public boolean isHandled() { |
| 370 | return blocked; |
| 371 | } |
| 372 | |
| 373 | @Override |
| 374 | public boolean isBuffered() { |
| 375 | return false; |
| 376 | } |
| 377 | |
| 378 | } |
| 379 | |
| 380 | private static class TestOpenFlowSwitch implements OpenFlowSwitch { |
| 381 | |
| 382 | private final List<OFPortDesc> ports; |
| 383 | private final Dpid dpid; |
| 384 | |
| 385 | public TestOpenFlowSwitch(Dpid dpid, List<OFPortDesc> ports) { |
| 386 | this.ports = ports; |
| 387 | this.dpid = dpid; |
| 388 | } |
| 389 | |
| 390 | RoleState state; |
| 391 | List<OFMessage> sent = new ArrayList<OFMessage>(); |
| 392 | OFFactory factory = OFFactoryVer10.INSTANCE; |
| 393 | |
| 394 | @Override |
| 395 | public void sendMsg(OFMessage msg) { |
| 396 | sent.add(msg); |
| 397 | } |
| 398 | |
| 399 | @Override |
| 400 | public void sendMsg(List<OFMessage> msgs) { |
| 401 | } |
| 402 | |
| 403 | @Override |
| 404 | public void handleMessage(OFMessage fromSwitch) { |
| 405 | } |
| 406 | |
| 407 | @Override |
| 408 | public void setRole(RoleState role) { |
| 409 | state = role; |
| 410 | } |
| 411 | |
| 412 | @Override |
| 413 | public RoleState getRole() { |
| 414 | return state; |
| 415 | } |
| 416 | |
| 417 | @Override |
| 418 | public List<OFPortDesc> getPorts() { |
| 419 | return ports; |
| 420 | } |
| 421 | |
| 422 | @Override |
| 423 | public OFFactory factory() { |
| 424 | return factory; |
| 425 | } |
| 426 | |
| 427 | @Override |
| 428 | public String getStringId() { |
| 429 | return null; |
| 430 | } |
| 431 | |
| 432 | @Override |
| 433 | public long getId() { |
| 434 | return dpid.value(); |
| 435 | } |
| 436 | |
| 437 | @Override |
| 438 | public String manfacturerDescription() { |
| 439 | return null; |
| 440 | } |
| 441 | |
| 442 | @Override |
| 443 | public String datapathDescription() { |
| 444 | return null; |
| 445 | } |
| 446 | |
| 447 | @Override |
| 448 | public String hardwareDescription() { |
| 449 | return null; |
| 450 | } |
| 451 | |
| 452 | @Override |
| 453 | public String softwareDescription() { |
| 454 | return null; |
| 455 | } |
| 456 | |
| 457 | @Override |
| 458 | public String serialNumber() { |
| 459 | return null; |
| 460 | } |
| 461 | |
| 462 | @Override |
| 463 | public void disconnectSwitch() { |
| 464 | } |
| 465 | |
| 466 | @Override |
| 467 | public void returnRoleAssertFailure(RoleState role) { |
| 468 | } |
| 469 | |
| 470 | } |
| 471 | } |