| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.incubator.net.virtual.impl; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.junit.TestUtils; |
| import org.onlab.osgi.TestServiceDirectory; |
| import org.onosproject.common.event.impl.TestEventDispatcher; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.incubator.net.virtual.TenantId; |
| import org.onosproject.incubator.net.virtual.VirtualDevice; |
| import org.onosproject.incubator.net.virtual.VirtualLink; |
| import org.onosproject.incubator.net.virtual.VirtualNetwork; |
| import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.DisjointPath; |
| import org.onosproject.net.ElementId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.NetTestTools; |
| import org.onosproject.net.Path; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.TestDeviceParams; |
| import org.onosproject.net.topology.LinkWeight; |
| import org.onosproject.net.topology.PathService; |
| import org.onosproject.store.service.TestStorageService; |
| |
| import java.util.Set; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * Junit tests for VirtualNetworkPathService. |
| */ |
| public class VirtualNetworkPathManagerTest extends TestDeviceParams { |
| private final String tenantIdValue1 = "TENANT_ID1"; |
| |
| private VirtualNetworkManager manager; |
| private DistributedVirtualNetworkStore virtualNetworkManagerStore; |
| |
| private TestServiceDirectory testDirectory; |
| |
| @Before |
| public void setUp() throws Exception { |
| virtualNetworkManagerStore = new DistributedVirtualNetworkStore(); |
| |
| CoreService coreService = new TestCoreService(); |
| TestUtils.setField(virtualNetworkManagerStore, "coreService", coreService); |
| TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService()); |
| virtualNetworkManagerStore.activate(); |
| |
| manager = new VirtualNetworkManager(); |
| manager.store = virtualNetworkManagerStore; |
| manager.coreService = coreService; |
| NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher()); |
| |
| testDirectory = new TestServiceDirectory(); |
| TestUtils.setField(manager, "serviceDirectory", testDirectory); |
| |
| manager.activate(); |
| } |
| |
| @After |
| public void tearDown() { |
| virtualNetworkManagerStore.deactivate(); |
| manager.deactivate(); |
| NetTestTools.injectEventDispatcher(manager, null); |
| } |
| |
| /** |
| * Sets up an empty virtual network (no devices, links). |
| * |
| * @return virtual network |
| */ |
| private VirtualNetwork setupEmptyVnet() { |
| manager.registerTenantId(TenantId.tenantId(tenantIdValue1)); |
| return manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1)); |
| } |
| |
| /** |
| * Creates a virtual network for further testing. |
| * |
| * @return virtual network |
| */ |
| private VirtualNetwork setupVnet() { |
| manager.registerTenantId(TenantId.tenantId(tenantIdValue1)); |
| VirtualNetwork virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1)); |
| VirtualDevice virtualDevice1 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID1); |
| VirtualDevice virtualDevice2 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID2); |
| VirtualDevice virtualDevice3 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID3); |
| VirtualDevice virtualDevice4 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID4); |
| |
| ConnectPoint cp11 = createConnectPointAndVirtualPort(virtualNetwork, virtualDevice1, 1); |
| ConnectPoint cp12 = createConnectPointAndVirtualPort(virtualNetwork, virtualDevice1, 2); |
| ConnectPoint cp23 = createConnectPointAndVirtualPort(virtualNetwork, virtualDevice2, 3); |
| ConnectPoint cp24 = createConnectPointAndVirtualPort(virtualNetwork, virtualDevice2, 4); |
| ConnectPoint cp35 = createConnectPointAndVirtualPort(virtualNetwork, virtualDevice3, 5); |
| ConnectPoint cp36 = createConnectPointAndVirtualPort(virtualNetwork, virtualDevice3, 6); |
| VirtualLink link1 = manager.createVirtualLink(virtualNetwork.id(), cp11, cp23); |
| virtualNetworkManagerStore.updateLink(link1, link1.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp23, cp11); |
| virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link3 = manager.createVirtualLink(virtualNetwork.id(), cp24, cp35); |
| virtualNetworkManagerStore.updateLink(link3, link3.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link4 = manager.createVirtualLink(virtualNetwork.id(), cp35, cp24); |
| virtualNetworkManagerStore.updateLink(link4, link4.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link5 = manager.createVirtualLink(virtualNetwork.id(), cp12, cp36); |
| virtualNetworkManagerStore.updateLink(link5, link5.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link6 = manager.createVirtualLink(virtualNetwork.id(), cp36, cp12); |
| virtualNetworkManagerStore.updateLink(link6, link6.tunnelId(), Link.State.ACTIVE); |
| |
| return virtualNetwork; |
| } |
| |
| /** |
| * Creates a connect point and related virtual port. |
| * |
| * @param vnet virtual network |
| * @param vDev virtual device |
| * @param portNumber port number |
| * @return connect point |
| */ |
| private ConnectPoint createConnectPointAndVirtualPort( |
| VirtualNetwork vnet, VirtualDevice vDev, long portNumber) { |
| ConnectPoint cp = new ConnectPoint(vDev.id(), PortNumber.portNumber(portNumber)); |
| manager.createVirtualPort(vnet.id(), cp.deviceId(), cp.port(), |
| new ConnectPoint(vDev.id(), cp.port())); |
| return cp; |
| } |
| |
| /** |
| * Tests getPaths(), getDisjointPaths() |
| * on a non-empty virtual network. |
| */ |
| @Test |
| public void testGetPathsOnNonEmptyVnet() { |
| VirtualNetwork vnet = setupVnet(); |
| PathService pathService = manager.get(vnet.id(), PathService.class); |
| |
| // src and dest are in vnet and are connected by a virtual link |
| Set<Path> paths = pathService.getPaths(DID1, DID3); |
| validatePaths(paths, 1, 1, DID1, DID3, 1.0); |
| |
| LinkWeight linkWeight = edge -> 2.0; |
| paths = pathService.getPaths(DID1, DID3, linkWeight); |
| validatePaths(paths, 1, 1, DID1, DID3, 2.0); |
| |
| Set<DisjointPath> disjointPaths = pathService.getDisjointPaths(DID1, DID3); |
| validatePaths(disjointPaths, 1, 1, DID1, DID3, 1.0); |
| |
| disjointPaths = pathService.getDisjointPaths(DID1, DID3, linkWeight); |
| validatePaths(disjointPaths, 1, 1, DID1, DID3, 2.0); |
| |
| // src and dest are in vnet but are not connected |
| paths = pathService.getPaths(DID4, DID3); |
| assertEquals("incorrect path count", 0, paths.size()); |
| |
| disjointPaths = pathService.getDisjointPaths(DID4, DID3); |
| assertEquals("incorrect path count", 0, disjointPaths.size()); |
| |
| // src is in vnet, but dest is not in vnet. |
| DeviceId nonExistentDeviceId = DeviceId.deviceId("nonExistentDevice"); |
| paths = pathService.getPaths(DID2, nonExistentDeviceId); |
| assertEquals("incorrect path count", 0, paths.size()); |
| |
| disjointPaths = pathService.getDisjointPaths(DID2, nonExistentDeviceId); |
| assertEquals("incorrect path count", 0, disjointPaths.size()); |
| } |
| |
| /** |
| * Tests getPaths(), getDisjointPaths() |
| * on an empty virtual network. |
| */ |
| @Test |
| public void testGetPathsOnEmptyVnet() { |
| VirtualNetwork vnet = setupEmptyVnet(); |
| PathService pathService = manager.get(vnet.id(), PathService.class); |
| |
| Set<Path> paths = pathService.getPaths(DID1, DID3); |
| assertEquals("incorrect path count", 0, paths.size()); |
| |
| Set<DisjointPath> disjointPaths = pathService.getDisjointPaths(DID1, DID3); |
| assertEquals("incorrect path count", 0, disjointPaths.size()); |
| } |
| |
| /** |
| * Tests getPaths() using a null source device on an empty virtual network. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testGetPathsWithNullSrc() { |
| VirtualNetwork vnet = setupEmptyVnet(); |
| PathService pathService = manager.get(vnet.id(), PathService.class); |
| pathService.getPaths(null, DID3); |
| } |
| |
| /** |
| * Tests getPaths() using a null destination device on a non-empty virtual network. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testGetPathsWithNullDest() { |
| VirtualNetwork vnet = setupVnet(); |
| PathService pathService = manager.get(vnet.id(), PathService.class); |
| pathService.getPaths(DID1, null); |
| } |
| |
| |
| // Makes sure the set of paths meets basic expectations. |
| private void validatePaths(Set<? extends Path> paths, int count, int length, |
| ElementId src, ElementId dst, double cost) { |
| assertEquals("incorrect path count", count, paths.size()); |
| for (Path path : paths) { |
| assertEquals("incorrect length", length, path.links().size()); |
| assertEquals("incorrect source", src, path.src().elementId()); |
| assertEquals("incorrect destination", dst, path.dst().elementId()); |
| assertEquals("incorrect cost", cost, path.cost(), 0); |
| } |
| } |
| } |