Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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.openstacknetworking.impl; |
| 17 | |
| 18 | import org.junit.After; |
| 19 | import org.junit.Before; |
| 20 | import org.junit.Test; |
| 21 | import org.onlab.packet.ARP; |
| 22 | import org.onlab.packet.Ethernet; |
| 23 | import org.onlab.packet.IpAddress; |
| 24 | import org.onlab.packet.MacAddress; |
| 25 | import org.onosproject.cfg.ComponentConfigAdapter; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 26 | import org.onosproject.cluster.ClusterServiceAdapter; |
| 27 | import org.onosproject.cluster.LeadershipServiceAdapter; |
| 28 | import org.onosproject.core.ApplicationId; |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 29 | import org.onosproject.core.CoreServiceAdapter; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 30 | import org.onosproject.core.DefaultApplicationId; |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 31 | import org.onosproject.net.DeviceId; |
| 32 | import org.onosproject.net.PortNumber; |
| 33 | import org.onosproject.net.packet.DefaultInboundPacket; |
| 34 | import org.onosproject.net.packet.DefaultPacketContext; |
| 35 | import org.onosproject.net.packet.InboundPacket; |
| 36 | import org.onosproject.net.packet.OutboundPacket; |
| 37 | import org.onosproject.net.packet.PacketContext; |
| 38 | import org.onosproject.net.packet.PacketProcessor; |
| 39 | import org.onosproject.net.packet.PacketServiceAdapter; |
| 40 | import org.onosproject.openstacknetworking.api.InstancePort; |
| 41 | |
| 42 | import java.nio.ByteBuffer; |
| 43 | |
| 44 | import static org.junit.Assert.assertArrayEquals; |
| 45 | import static org.junit.Assert.assertEquals; |
| 46 | import static org.junit.Assert.fail; |
| 47 | import static org.onosproject.net.NetTestTools.connectPoint; |
| 48 | |
| 49 | public class OpenstackSwitchingArpHandlerTest { |
| 50 | |
| 51 | private OpenstackSwitchingArpHandler arpHandler; |
| 52 | |
| 53 | protected PacketProcessor packetProcessor; |
| 54 | |
| 55 | private static final MacAddress CLIENT_MAC = MacAddress.valueOf("1a:1a:1a:1a:1a:1a"); |
| 56 | private static final IpAddress CLIENT_IP = IpAddress.valueOf("10.10.10.10"); |
| 57 | private static final IpAddress TARGET_IP = IpAddress.valueOf("10.10.10.20"); |
| 58 | private static final MacAddress EXPECTED_MAC = MacAddress.valueOf("2b:2b:2b:2b:2b:2b"); |
| 59 | |
| 60 | @Before |
| 61 | public void setUp() { |
| 62 | arpHandler = new OpenstackSwitchingArpHandler(); |
| 63 | arpHandler.coreService = new TestCoreService(); |
| 64 | arpHandler.configService = new TestConfigService(); |
| 65 | arpHandler.instancePortService = new TestInstancePortService(); |
| 66 | arpHandler.packetService = new TestPacketService(); |
| 67 | arpHandler.osNetworkService = new TestOpenstackNetworkService(); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 68 | arpHandler.osNodeService = new TestOpenstackNodeService(); |
| 69 | arpHandler.osFlowRuleService = new TestOpenstackFlowRuleService(); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 70 | arpHandler.clusterService = new TestClusterService(); |
| 71 | arpHandler.leadershipService = new TestLeadershipService(); |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 72 | arpHandler.activate(); |
| 73 | } |
| 74 | |
| 75 | @After |
| 76 | public void tearDown() { |
| 77 | arpHandler.deactivate(); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Tests the response to an ARP Request Packet. |
| 82 | */ |
| 83 | @Test |
| 84 | public void testRequest() { |
| 85 | Ethernet arpRequest = constructArpPacket(ARP.OP_REQUEST); |
| 86 | sendPacket(arpRequest); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Sends an Ethernet packet to the process method of the Packet processor. |
| 91 | * |
| 92 | * @param ethernet Ethernet packet |
| 93 | */ |
| 94 | private void sendPacket(Ethernet ethernet) { |
| 95 | final ByteBuffer byteBuffer = ByteBuffer.wrap(ethernet.serialize()); |
| 96 | InboundPacket inPacket = new DefaultInboundPacket(connectPoint("1", 1), |
| 97 | ethernet, |
| 98 | byteBuffer); |
| 99 | |
| 100 | PacketContext context = new TestPacketContext(127L, inPacket, null, false); |
| 101 | packetProcessor.process(context); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Validates the contents of the packet sent by the OpenstackSwitchingArpHandler. |
| 106 | * |
| 107 | * @param packet Ethernet packet received |
| 108 | */ |
| 109 | private void validatePacket(Ethernet packet) { |
| 110 | ARP arpPacket = (ARP) packet.getPayload(); |
| 111 | |
| 112 | assertEquals(arpPacket.getOpCode(), ARP.OP_REPLY); |
| 113 | assertArrayEquals(arpPacket.getSenderHardwareAddress(), EXPECTED_MAC.toBytes()); |
| 114 | assertArrayEquals(arpPacket.getSenderProtocolAddress(), TARGET_IP.toOctets()); |
| 115 | assertArrayEquals(arpPacket.getTargetHardwareAddress(), CLIENT_MAC.toBytes()); |
| 116 | assertArrayEquals(arpPacket.getTargetProtocolAddress(), CLIENT_IP.toOctets()); |
| 117 | assertEquals(arpPacket.getProtocolType(), ARP.PROTO_TYPE_IP); |
| 118 | assertEquals(arpPacket.getHardwareType(), ARP.HW_TYPE_ETHERNET); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Constructs an Ethernet packet containing an ARP payload. |
| 123 | * |
| 124 | * @return Ethernet packet |
| 125 | */ |
| 126 | private Ethernet constructArpPacket(short pktType) { |
| 127 | if (pktType == ARP.OP_REQUEST) { |
| 128 | |
| 129 | return ARP.buildArpRequest( |
| 130 | CLIENT_MAC.toBytes(), |
| 131 | CLIENT_IP.toOctets(), |
| 132 | TARGET_IP.toOctets(), |
| 133 | (short) 2); |
| 134 | } |
| 135 | |
| 136 | return null; |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Mocks the CoreService. |
| 141 | */ |
| 142 | private class TestCoreService extends CoreServiceAdapter { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 143 | @Override |
| 144 | public ApplicationId registerApplication(String name) { |
| 145 | return new DefaultApplicationId(100, "arpTestApp"); |
| 146 | } |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Mocks the ComponentConfigRegistry. |
| 151 | */ |
| 152 | private class TestConfigService extends ComponentConfigAdapter { |
| 153 | } |
| 154 | |
| 155 | /** |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 156 | * Mocks the ClusterService. |
| 157 | */ |
| 158 | private class TestClusterService extends ClusterServiceAdapter { |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Mocks the LeadershipService. |
| 163 | */ |
| 164 | private class TestLeadershipService extends LeadershipServiceAdapter { |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Mocks the OpenstackNodeService. |
| 169 | */ |
| 170 | private class TestOpenstackNodeService extends OpenstackNodeServiceAdapter { |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Mocks the OpenstackFlowRuleService. |
| 175 | */ |
| 176 | private class TestOpenstackFlowRuleService extends OpenstackFlowRuleServiceAdapter { |
| 177 | } |
| 178 | |
| 179 | /** |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 180 | * Mocks the InstancePortService. |
| 181 | */ |
| 182 | private class TestInstancePortService extends InstancePortServiceAdapter { |
| 183 | |
| 184 | @Override |
| 185 | public InstancePort instancePort(MacAddress macAddress) { |
| 186 | return new TestInstancePort(); |
| 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public InstancePort instancePort(IpAddress ipAddress, String osNetId) { |
| 191 | return new TestInstancePort(); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Mocks the instance port. |
| 197 | */ |
| 198 | private final class TestInstancePort implements InstancePort { |
| 199 | |
| 200 | @Override |
| 201 | public String networkId() { |
| 202 | return null; |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public String portId() { |
| 207 | return null; |
| 208 | } |
| 209 | |
| 210 | @Override |
| 211 | public MacAddress macAddress() { |
| 212 | return EXPECTED_MAC; |
| 213 | } |
| 214 | |
| 215 | @Override |
| 216 | public IpAddress ipAddress() { |
| 217 | return null; |
| 218 | } |
| 219 | |
| 220 | @Override |
| 221 | public DeviceId deviceId() { |
| 222 | return null; |
| 223 | } |
| 224 | |
| 225 | @Override |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 226 | public DeviceId oldDeviceId() { |
| 227 | return null; |
| 228 | } |
| 229 | |
| 230 | @Override |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 231 | public PortNumber portNumber() { |
| 232 | return null; |
| 233 | } |
Jian Li | ecae438 | 2018-06-28 17:41:12 +0900 | [diff] [blame] | 234 | |
| 235 | @Override |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 236 | public PortNumber oldPortNumber() { |
| 237 | return null; |
| 238 | } |
| 239 | |
| 240 | @Override |
Jian Li | ecae438 | 2018-06-28 17:41:12 +0900 | [diff] [blame] | 241 | public State state() { |
| 242 | return null; |
| 243 | } |
| 244 | |
| 245 | @Override |
| 246 | public InstancePort updateState(State newState) { |
| 247 | return null; |
| 248 | } |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 249 | |
| 250 | @Override |
Jian Li | 46b7400 | 2018-07-15 18:39:08 +0900 | [diff] [blame] | 251 | public InstancePort updatePrevLocation(DeviceId oldDeviceId, PortNumber oldPortNumber) { |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 252 | return null; |
| 253 | } |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Mocks the DefaultPacket context. |
| 258 | */ |
| 259 | private final class TestPacketContext extends DefaultPacketContext { |
| 260 | private TestPacketContext(long time, InboundPacket inPkt, |
| 261 | OutboundPacket outPkt, boolean block) { |
| 262 | super(time, inPkt, outPkt, block); |
| 263 | } |
| 264 | |
| 265 | @Override |
| 266 | public void send() { |
| 267 | // We don't send anything out. |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Keeps a reference to the PacketProcessor and verifies the OutboundPackets. |
| 273 | */ |
| 274 | private class TestPacketService extends PacketServiceAdapter { |
| 275 | @Override |
| 276 | public void addProcessor(PacketProcessor processor, int priority) { |
| 277 | packetProcessor = processor; |
| 278 | } |
| 279 | |
| 280 | @Override |
| 281 | public void emit(OutboundPacket packet) { |
| 282 | try { |
| 283 | Ethernet eth = Ethernet.deserializer().deserialize(packet.data().array(), |
| 284 | 0, packet.data().array().length); |
| 285 | validatePacket(eth); |
| 286 | } catch (Exception e) { |
| 287 | fail(e.getMessage()); |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Mocks the OpenstackNetworkService. |
| 294 | */ |
| 295 | private class TestOpenstackNetworkService extends OpenstackNetworkServiceAdapter { |
| 296 | } |
| 297 | } |