Jonathan Hart | 41349e9 | 2015-02-09 14:14:02 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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.routing; |
| 17 | |
| 18 | import com.google.common.collect.Sets; |
| 19 | import org.junit.After; |
| 20 | import org.junit.Before; |
| 21 | import org.junit.Test; |
| 22 | import org.onlab.packet.Ip4Address; |
| 23 | import org.onlab.packet.Ip4Prefix; |
| 24 | import org.onlab.packet.IpAddress; |
| 25 | import org.onlab.packet.IpPrefix; |
| 26 | import org.onlab.packet.MacAddress; |
| 27 | import org.onlab.packet.VlanId; |
| 28 | import org.onosproject.net.ConnectPoint; |
| 29 | import org.onosproject.net.DefaultHost; |
| 30 | import org.onosproject.net.DeviceId; |
| 31 | import org.onosproject.net.Host; |
| 32 | import org.onosproject.net.HostId; |
| 33 | import org.onosproject.net.HostLocation; |
| 34 | import org.onosproject.net.PortNumber; |
| 35 | import org.onosproject.net.host.HostListener; |
| 36 | import org.onosproject.net.host.HostService; |
| 37 | import org.onosproject.net.provider.ProviderId; |
| 38 | import org.onosproject.routingapi.BgpService; |
| 39 | import org.onosproject.routingapi.FibEntry; |
| 40 | import org.onosproject.routingapi.FibListener; |
| 41 | import org.onosproject.routingapi.FibUpdate; |
| 42 | import org.onosproject.routingapi.RouteEntry; |
| 43 | import org.onosproject.routingapi.RouteListener; |
| 44 | import org.onosproject.routingapi.RouteUpdate; |
| 45 | |
| 46 | import java.util.Collections; |
| 47 | |
| 48 | import static org.easymock.EasyMock.*; |
| 49 | import static org.junit.Assert.assertEquals; |
| 50 | import static org.junit.Assert.assertTrue; |
| 51 | |
| 52 | /** |
| 53 | * This class tests adding a route, updating a route, deleting a route, |
| 54 | * and adding a route whose next hop is the local BGP speaker. |
| 55 | * <p/> |
| 56 | * The HostService answers requests synchronously. |
| 57 | */ |
| 58 | public class RouterTest { |
| 59 | |
| 60 | private HostService hostService; |
| 61 | |
| 62 | private FibListener fibListener; |
| 63 | |
| 64 | private static final ConnectPoint SW1_ETH1 = new ConnectPoint( |
| 65 | DeviceId.deviceId("of:0000000000000001"), |
| 66 | PortNumber.portNumber(1)); |
| 67 | |
| 68 | private static final ConnectPoint SW2_ETH1 = new ConnectPoint( |
| 69 | DeviceId.deviceId("of:0000000000000002"), |
| 70 | PortNumber.portNumber(1)); |
| 71 | |
| 72 | private static final ConnectPoint SW3_ETH1 = new ConnectPoint( |
| 73 | DeviceId.deviceId("of:0000000000000003"), |
| 74 | PortNumber.portNumber(1)); |
| 75 | |
| 76 | private static final ConnectPoint SW4_ETH1 = new ConnectPoint( |
| 77 | DeviceId.deviceId("of:0000000000000004"), |
| 78 | PortNumber.portNumber(1)); |
| 79 | |
| 80 | private Router router; |
| 81 | |
| 82 | @Before |
| 83 | public void setUp() throws Exception { |
| 84 | setUpHostService(); |
| 85 | |
| 86 | BgpService bgpService = createMock(BgpService.class); |
Jonathan Hart | d24fafb | 2015-02-09 17:55:32 -0800 | [diff] [blame^] | 87 | bgpService.start(anyObject(RouteListener.class)); |
Jonathan Hart | 41349e9 | 2015-02-09 14:14:02 -0800 | [diff] [blame] | 88 | bgpService.stop(); |
| 89 | replay(bgpService); |
| 90 | |
| 91 | fibListener = createMock(FibListener.class); |
| 92 | |
| 93 | router = new Router(); |
| 94 | router.hostService = hostService; |
| 95 | router.bgpService = bgpService; |
| 96 | router.activate(); |
| 97 | |
| 98 | router.start(fibListener); |
| 99 | } |
| 100 | |
| 101 | @After |
| 102 | public void tearDown() { |
| 103 | router.stop(); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Sets up the host service with details of some hosts. |
| 108 | */ |
| 109 | private void setUpHostService() { |
| 110 | hostService = createMock(HostService.class); |
| 111 | |
| 112 | hostService.addListener(anyObject(HostListener.class)); |
| 113 | expectLastCall().anyTimes(); |
| 114 | |
| 115 | IpAddress host1Address = IpAddress.valueOf("192.168.10.1"); |
| 116 | Host host1 = new DefaultHost(ProviderId.NONE, HostId.NONE, |
| 117 | MacAddress.valueOf("00:00:00:00:00:01"), VlanId.NONE, |
| 118 | new HostLocation(SW1_ETH1, 1), |
| 119 | Sets.newHashSet(host1Address)); |
| 120 | |
| 121 | expect(hostService.getHostsByIp(host1Address)) |
| 122 | .andReturn(Sets.newHashSet(host1)).anyTimes(); |
| 123 | hostService.startMonitoringIp(host1Address); |
| 124 | expectLastCall().anyTimes(); |
| 125 | |
| 126 | |
| 127 | IpAddress host2Address = IpAddress.valueOf("192.168.20.1"); |
| 128 | Host host2 = new DefaultHost(ProviderId.NONE, HostId.NONE, |
| 129 | MacAddress.valueOf("00:00:00:00:00:02"), VlanId.NONE, |
| 130 | new HostLocation(SW2_ETH1, 1), |
| 131 | Sets.newHashSet(host2Address)); |
| 132 | |
| 133 | expect(hostService.getHostsByIp(host2Address)) |
| 134 | .andReturn(Sets.newHashSet(host2)).anyTimes(); |
| 135 | hostService.startMonitoringIp(host2Address); |
| 136 | expectLastCall().anyTimes(); |
| 137 | |
| 138 | // Next hop on a VLAN |
| 139 | IpAddress host3Address = IpAddress.valueOf("192.168.40.1"); |
| 140 | Host host3 = new DefaultHost(ProviderId.NONE, HostId.NONE, |
| 141 | MacAddress.valueOf("00:00:00:00:00:03"), VlanId.vlanId((short) 1), |
| 142 | new HostLocation(SW4_ETH1, 1), |
| 143 | Sets.newHashSet(host3Address)); |
| 144 | |
| 145 | expect(hostService.getHostsByIp(host3Address)) |
| 146 | .andReturn(Sets.newHashSet(host3)).anyTimes(); |
| 147 | hostService.startMonitoringIp(host3Address); |
| 148 | expectLastCall().anyTimes(); |
| 149 | |
| 150 | // Called during shutdown |
| 151 | hostService.removeListener(anyObject(HostListener.class)); |
| 152 | |
| 153 | replay(hostService); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Tests adding a route entry. |
| 158 | */ |
| 159 | @Test |
| 160 | public void testRouteAdd() { |
| 161 | // Construct a route entry |
| 162 | IpPrefix prefix = Ip4Prefix.valueOf("1.1.1.0/24"); |
| 163 | IpAddress nextHopIp = Ip4Address.valueOf("192.168.10.1"); |
| 164 | |
| 165 | RouteEntry routeEntry = new RouteEntry(prefix, nextHopIp); |
| 166 | |
| 167 | // Expected FIB entry |
| 168 | FibEntry fibEntry = new FibEntry(prefix, nextHopIp, |
| 169 | MacAddress.valueOf("00:00:00:00:00:01")); |
| 170 | |
| 171 | fibListener.update(Collections.singletonList(new FibUpdate( |
| 172 | FibUpdate.Type.UPDATE, fibEntry)), Collections.emptyList()); |
| 173 | |
| 174 | replay(fibListener); |
| 175 | |
| 176 | router.processRouteUpdates(Collections.singletonList( |
| 177 | new RouteUpdate(RouteUpdate.Type.UPDATE, routeEntry))); |
| 178 | |
| 179 | verify(fibListener); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Tests updating a route entry. |
| 184 | */ |
| 185 | @Test |
| 186 | public void testRouteUpdate() { |
| 187 | // Firstly add a route |
| 188 | testRouteAdd(); |
| 189 | |
| 190 | // Route entry with updated next hop for the original prefix |
| 191 | RouteEntry routeEntryUpdate = new RouteEntry( |
| 192 | Ip4Prefix.valueOf("1.1.1.0/24"), |
| 193 | Ip4Address.valueOf("192.168.20.1")); |
| 194 | |
| 195 | // The old FIB entry will be withdrawn |
| 196 | FibEntry withdrawFibEntry = new FibEntry( |
| 197 | Ip4Prefix.valueOf("1.1.1.0/24"), null, null); |
| 198 | |
| 199 | // A new FIB entry will be added |
| 200 | FibEntry updateFibEntry = new FibEntry( |
| 201 | Ip4Prefix.valueOf("1.1.1.0/24"), |
| 202 | Ip4Address.valueOf("192.168.20.1"), |
| 203 | MacAddress.valueOf("00:00:00:00:00:02")); |
| 204 | |
| 205 | reset(fibListener); |
| 206 | fibListener.update(Collections.singletonList(new FibUpdate( |
| 207 | FibUpdate.Type.UPDATE, updateFibEntry)), |
| 208 | Collections.singletonList(new FibUpdate( |
| 209 | FibUpdate.Type.DELETE, withdrawFibEntry))); |
| 210 | |
| 211 | replay(fibListener); |
| 212 | |
| 213 | router.processRouteUpdates(Collections.singletonList(new RouteUpdate( |
| 214 | RouteUpdate.Type.UPDATE, routeEntryUpdate))); |
| 215 | |
| 216 | verify(fibListener); |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Tests deleting a route entry. |
| 221 | */ |
| 222 | @Test |
| 223 | public void testRouteDelete() { |
| 224 | // Firstly add a route |
| 225 | testRouteAdd(); |
| 226 | |
| 227 | RouteEntry deleteRouteEntry = new RouteEntry( |
| 228 | Ip4Prefix.valueOf("1.1.1.0/24"), |
| 229 | Ip4Address.valueOf("192.168.10.1")); |
| 230 | |
| 231 | FibEntry deleteFibEntry = new FibEntry( |
| 232 | Ip4Prefix.valueOf("1.1.1.0/24"), null, null); |
| 233 | |
| 234 | reset(fibListener); |
| 235 | fibListener.update(Collections.emptyList(), Collections.singletonList( |
| 236 | new FibUpdate(FibUpdate.Type.DELETE, deleteFibEntry))); |
| 237 | |
| 238 | replay(fibListener); |
| 239 | |
| 240 | router.processRouteUpdates(Collections.singletonList( |
| 241 | new RouteUpdate(RouteUpdate.Type.DELETE, deleteRouteEntry))); |
| 242 | |
| 243 | verify(fibListener); |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Tests adding a route whose next hop is the local BGP speaker. |
| 248 | */ |
| 249 | @Test |
| 250 | public void testLocalRouteAdd() { |
| 251 | // Construct a route entry, the next hop is the local BGP speaker |
| 252 | RouteEntry routeEntry = new RouteEntry( |
| 253 | Ip4Prefix.valueOf("1.1.1.0/24"), |
| 254 | Ip4Address.valueOf("0.0.0.0")); |
| 255 | |
| 256 | // No methods on the FIB listener should be called |
| 257 | replay(fibListener); |
| 258 | |
| 259 | // Call the processRouteUpdates() method in Router class |
| 260 | RouteUpdate routeUpdate = new RouteUpdate(RouteUpdate.Type.UPDATE, |
| 261 | routeEntry); |
| 262 | router.processRouteUpdates(Collections.singletonList(routeUpdate)); |
| 263 | |
| 264 | // Verify |
| 265 | assertEquals(1, router.getRoutes4().size()); |
| 266 | assertTrue(router.getRoutes4().contains(routeEntry)); |
| 267 | verify(fibListener); |
| 268 | } |
| 269 | } |