Ray Milkey | cd6ab18 | 2016-02-03 11:13:09 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.provider.netcfglinks; |
| 17 | |
| 18 | import java.nio.ByteBuffer; |
| 19 | import java.util.List; |
| 20 | |
| 21 | import org.junit.After; |
| 22 | import org.junit.Before; |
| 23 | import org.junit.Test; |
| 24 | import org.onlab.packet.ChassisId; |
| 25 | import org.onlab.packet.Ethernet; |
| 26 | import org.onlab.packet.ONOSLLDP; |
| 27 | import org.onosproject.core.CoreServiceAdapter; |
| 28 | import org.onosproject.mastership.MastershipServiceAdapter; |
| 29 | import org.onosproject.net.ConnectPoint; |
| 30 | import org.onosproject.net.DefaultPort; |
| 31 | import org.onosproject.net.Device; |
| 32 | import org.onosproject.net.DeviceId; |
| 33 | import org.onosproject.net.LinkKey; |
| 34 | import org.onosproject.net.NetTestTools; |
| 35 | import org.onosproject.net.Port; |
| 36 | import org.onosproject.net.PortNumber; |
| 37 | import org.onosproject.net.config.NetworkConfigEvent; |
| 38 | import org.onosproject.net.config.NetworkConfigListener; |
| 39 | import org.onosproject.net.config.NetworkConfigRegistryAdapter; |
| 40 | import org.onosproject.net.config.basics.BasicLinkConfig; |
| 41 | import org.onosproject.net.device.DeviceEvent; |
| 42 | import org.onosproject.net.device.DeviceListener; |
| 43 | import org.onosproject.net.device.DeviceServiceAdapter; |
| 44 | import org.onosproject.net.flow.TrafficTreatment; |
| 45 | import org.onosproject.net.link.LinkDescription; |
| 46 | import org.onosproject.net.link.LinkProviderRegistryAdapter; |
| 47 | import org.onosproject.net.link.LinkProviderServiceAdapter; |
| 48 | import org.onosproject.net.packet.DefaultInboundPacket; |
| 49 | import org.onosproject.net.packet.InboundPacket; |
| 50 | import org.onosproject.net.packet.OutboundPacket; |
| 51 | import org.onosproject.net.packet.PacketContext; |
| 52 | import org.onosproject.net.packet.PacketProcessor; |
| 53 | import org.onosproject.net.packet.PacketServiceAdapter; |
| 54 | |
| 55 | import com.google.common.collect.ImmutableList; |
| 56 | |
| 57 | import static org.hamcrest.MatcherAssert.assertThat; |
| 58 | import static org.hamcrest.Matchers.empty; |
| 59 | import static org.hamcrest.Matchers.hasSize; |
| 60 | import static org.hamcrest.Matchers.is; |
| 61 | import static org.hamcrest.Matchers.notNullValue; |
| 62 | |
| 63 | /** |
| 64 | * Unit tests for the network config links provider. |
| 65 | */ |
| 66 | public class NetworkConfigLinksProviderTest { |
| 67 | |
| 68 | private NetworkConfigLinksProvider provider; |
| 69 | |
| 70 | private PacketProcessor testProcessor; |
| 71 | private LinkProviderServiceAdapter providerService; |
| 72 | private NetworkConfigListener configListener; |
| 73 | private final TestNetworkConfigRegistry configRegistry = |
| 74 | new TestNetworkConfigRegistry(); |
| 75 | |
| 76 | static Device dev1 = NetTestTools.device("sw1"); |
| 77 | static Device dev2 = NetTestTools.device("sw2"); |
| 78 | static Device dev3 = NetTestTools.device("sw3"); |
| 79 | static PortNumber portNumber1 = PortNumber.portNumber(1); |
| 80 | static PortNumber portNumber2 = PortNumber.portNumber(2); |
| 81 | static PortNumber portNumber3 = PortNumber.portNumber(3); |
| 82 | static ConnectPoint src = new ConnectPoint(dev1.id(), portNumber2); |
| 83 | static ConnectPoint dst = new ConnectPoint(dev2.id(), portNumber2); |
| 84 | |
| 85 | static DeviceListener deviceListener; |
| 86 | |
| 87 | /** |
| 88 | * Test device manager. Returns a known set of devices and ports. |
| 89 | */ |
| 90 | static class TestDeviceManager extends DeviceServiceAdapter { |
| 91 | |
| 92 | @Override |
| 93 | public Iterable<Device> getAvailableDevices() { |
| 94 | return ImmutableList.of(dev1, dev2); |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public List<Port> getPorts(DeviceId deviceId) { |
| 99 | return ImmutableList.of(new DefaultPort(dev1, portNumber1, true), |
| 100 | new DefaultPort(dev2, portNumber2, true)); |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public void addListener(DeviceListener listener) { |
| 105 | deviceListener = listener; |
| 106 | } |
Ray Milkey | 957390e | 2016-02-09 10:02:46 -0800 | [diff] [blame] | 107 | |
| 108 | @Override |
| 109 | public Device getDevice(DeviceId deviceId) { |
| 110 | if (deviceId.equals(dev1.id())) { |
| 111 | return dev1; |
| 112 | } else { |
| 113 | return dev2; |
| 114 | } |
| 115 | } |
Ray Milkey | cd6ab18 | 2016-02-03 11:13:09 -0800 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Test mastership service. All devices owned by the local node for testing. |
| 120 | */ |
| 121 | static class TestMastershipService extends MastershipServiceAdapter { |
| 122 | @Override |
| 123 | public boolean isLocalMaster(DeviceId deviceId) { |
| 124 | return true; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Test packet context for generation of LLDP packets. |
| 130 | */ |
| 131 | private class TestPacketContext implements PacketContext { |
| 132 | |
| 133 | protected ConnectPoint src; |
| 134 | protected ConnectPoint dst; |
| 135 | protected boolean blocked = false; |
| 136 | |
| 137 | public TestPacketContext(ConnectPoint src, ConnectPoint dst) { |
| 138 | this.src = src; |
| 139 | this.dst = dst; |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public long time() { |
| 144 | return 0; |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public InboundPacket inPacket() { |
| 149 | ONOSLLDP lldp = ONOSLLDP.onosLLDP(src.deviceId().toString(), |
| 150 | new ChassisId(), |
| 151 | (int) src.port().toLong()); |
| 152 | |
| 153 | Ethernet ethPacket = new Ethernet(); |
| 154 | ethPacket.setEtherType(Ethernet.TYPE_LLDP); |
| 155 | ethPacket.setDestinationMACAddress(ONOSLLDP.LLDP_NICIRA); |
| 156 | ethPacket.setPayload(lldp); |
| 157 | ethPacket.setPad(true); |
| 158 | |
| 159 | ethPacket.setSourceMACAddress("DE:AD:BE:EF:BA:11"); |
| 160 | |
| 161 | return new DefaultInboundPacket(dst, ethPacket, |
| 162 | ByteBuffer.wrap(ethPacket.serialize())); |
| 163 | |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public OutboundPacket outPacket() { |
| 168 | return null; |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public TrafficTreatment.Builder treatmentBuilder() { |
| 173 | return null; |
| 174 | } |
| 175 | |
| 176 | @Override |
| 177 | public void send() { |
| 178 | |
| 179 | } |
| 180 | |
| 181 | @Override |
| 182 | public boolean block() { |
| 183 | blocked = true; |
| 184 | return true; |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | public boolean isHandled() { |
| 189 | return blocked; |
| 190 | } |
| 191 | |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Test packet service for capturing the packet processor from the service |
| 196 | * under test. |
| 197 | */ |
| 198 | private class TestPacketService extends PacketServiceAdapter { |
| 199 | @Override |
| 200 | public void addProcessor(PacketProcessor processor, int priority) { |
| 201 | testProcessor = processor; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Test network config registry. Captures the network config listener from |
| 207 | * the service under test. |
| 208 | */ |
| 209 | private final class TestNetworkConfigRegistry |
| 210 | extends NetworkConfigRegistryAdapter { |
| 211 | |
| 212 | |
| 213 | @Override |
| 214 | public void addListener(NetworkConfigListener listener) { |
| 215 | configListener = listener; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Sets up a network config links provider under test and the services |
| 221 | * required to run it. |
| 222 | */ |
| 223 | @Before |
| 224 | public void setUp() { |
| 225 | provider = new NetworkConfigLinksProvider(); |
| 226 | |
| 227 | provider.coreService = new CoreServiceAdapter(); |
| 228 | provider.packetService = new PacketServiceAdapter(); |
| 229 | LinkProviderRegistryAdapter linkRegistry = |
| 230 | new LinkProviderRegistryAdapter(); |
| 231 | provider.providerRegistry = linkRegistry; |
| 232 | provider.deviceService = new TestDeviceManager(); |
| 233 | provider.masterService = new TestMastershipService(); |
| 234 | provider.packetService = new TestPacketService(); |
| 235 | provider.netCfgService = configRegistry; |
| 236 | |
| 237 | provider.activate(); |
| 238 | |
| 239 | providerService = linkRegistry.registeredProvider(); |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Tears down the provider under test. |
| 244 | */ |
| 245 | @After |
| 246 | public void tearDown() { |
| 247 | provider.deactivate(); |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Tests that a network config links provider object can be created. |
| 252 | * The actual creation is done in the setUp() method. |
| 253 | */ |
| 254 | @Test |
| 255 | public void testCreation() { |
| 256 | assertThat(provider, notNullValue()); |
| 257 | assertThat(provider.configuredLinks, empty()); |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Tests loading of devices from the device manager. |
| 262 | */ |
| 263 | @Test |
| 264 | public void testDeviceLoad() { |
| 265 | assertThat(provider, notNullValue()); |
| 266 | assertThat(provider.discoverers.entrySet(), hasSize(2)); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Tests discovery of a link that is not expected in the configuration. |
| 271 | */ |
| 272 | @Test |
| 273 | public void testNotConfiguredLink() { |
| 274 | PacketContext pktCtx = new TestPacketContext(src, dst); |
| 275 | |
| 276 | testProcessor.process(pktCtx); |
| 277 | |
| 278 | assertThat(providerService.discoveredLinks().entrySet(), hasSize(1)); |
| 279 | DeviceId destination = providerService.discoveredLinks().get(dev1.id()); |
| 280 | assertThat(destination, notNullValue()); |
| 281 | LinkKey key = LinkKey.linkKey(src, dst); |
| 282 | LinkDescription linkDescription = providerService |
| 283 | .discoveredLinkDescriptions().get(key); |
| 284 | assertThat(linkDescription, notNullValue()); |
| 285 | assertThat(linkDescription.isExpected(), is(false)); |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Tests discovery of an expected link. |
| 290 | */ |
| 291 | @Test |
| 292 | public void testConfiguredLink() { |
| 293 | LinkKey key = LinkKey.linkKey(src, dst); |
| 294 | configListener.event(new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_ADDED, |
| 295 | key, |
| 296 | BasicLinkConfig.class)); |
| 297 | |
| 298 | PacketContext pktCtx = new TestPacketContext(src, dst); |
| 299 | |
| 300 | testProcessor.process(pktCtx); |
| 301 | |
| 302 | assertThat(providerService.discoveredLinks().entrySet(), hasSize(1)); |
| 303 | DeviceId destination = providerService.discoveredLinks().get(dev1.id()); |
| 304 | assertThat(destination, notNullValue()); |
| 305 | LinkDescription linkDescription = providerService |
| 306 | .discoveredLinkDescriptions().get(key); |
| 307 | assertThat(linkDescription, notNullValue()); |
| 308 | assertThat(linkDescription.isExpected(), is(true)); |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * Tests removal of a link from the configuration. |
| 313 | */ |
| 314 | @Test |
| 315 | public void testRemoveLink() { |
| 316 | LinkKey key = LinkKey.linkKey(src, dst); |
| 317 | configListener.event(new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_ADDED, |
| 318 | key, |
| 319 | BasicLinkConfig.class)); |
| 320 | |
| 321 | assertThat(provider.configuredLinks, hasSize(1)); |
| 322 | |
| 323 | configListener.event(new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_REMOVED, |
| 324 | key, |
| 325 | BasicLinkConfig.class)); |
| 326 | assertThat(provider.configuredLinks, hasSize(0)); |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Tests adding a new device via an event. |
| 331 | */ |
| 332 | @Test |
| 333 | public void testAddDevice() { |
| 334 | deviceListener.event(new DeviceEvent(DeviceEvent.Type.DEVICE_ADDED, dev3)); |
| 335 | assertThat(provider.discoverers.entrySet(), hasSize(3)); |
| 336 | } |
| 337 | |
| 338 | /** |
| 339 | * Tests adding a new port via an event. |
| 340 | */ |
| 341 | @Test |
| 342 | public void testAddPort() { |
| 343 | deviceListener.event(new DeviceEvent(DeviceEvent.Type.PORT_ADDED, dev3, |
| 344 | new DefaultPort(dev3, portNumber3, true))); |
| 345 | assertThat(provider.discoverers.entrySet(), hasSize(3)); |
| 346 | } |
| 347 | |
| 348 | /** |
| 349 | * Tests removing a device via an event. |
| 350 | */ |
| 351 | @Test |
| 352 | public void testRemoveDevice() { |
| 353 | assertThat(provider.discoverers.entrySet(), hasSize(2)); |
| 354 | deviceListener.event(new DeviceEvent(DeviceEvent.Type.DEVICE_ADDED, dev3)); |
| 355 | assertThat(provider.discoverers.entrySet(), hasSize(3)); |
| 356 | deviceListener.event(new DeviceEvent(DeviceEvent.Type.DEVICE_REMOVED, dev3)); |
| 357 | assertThat(provider.discoverers.entrySet(), hasSize(2)); |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Tests removing a port via an event. |
| 362 | */ |
| 363 | @Test |
| 364 | public void testRemovePort() { |
| 365 | assertThat(provider.discoverers.entrySet(), hasSize(2)); |
| 366 | deviceListener.event(new DeviceEvent(DeviceEvent.Type.PORT_ADDED, dev3, |
| 367 | new DefaultPort(dev3, portNumber3, true))); |
| 368 | assertThat(provider.discoverers.entrySet(), hasSize(3)); |
| 369 | deviceListener.event(new DeviceEvent(DeviceEvent.Type.PORT_REMOVED, dev3, |
| 370 | new DefaultPort(dev3, portNumber3, true))); |
| 371 | assertThat(provider.discoverers.entrySet(), hasSize(3)); |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * Tests changing device availability via an event. |
| 376 | */ |
| 377 | @Test |
| 378 | public void testDeviceAvailabilityChanged() { |
| 379 | assertThat(providerService.vanishedDpid(), hasSize(0)); |
| 380 | |
| 381 | deviceListener.event( |
| 382 | new DeviceEvent(DeviceEvent.Type.DEVICE_ADDED, dev3)); |
| 383 | assertThat(providerService.vanishedDpid(), hasSize(0)); |
| 384 | |
| 385 | deviceListener.event( |
| 386 | new DeviceEvent(DeviceEvent.Type.DEVICE_AVAILABILITY_CHANGED, dev3)); |
| 387 | assertThat(providerService.vanishedDpid(), hasSize(1)); |
| 388 | } |
| 389 | } |