| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.provider; |
| |
| 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.core.CoreServiceAdapter; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.event.Event; |
| import org.onosproject.incubator.net.tunnel.TunnelId; |
| import org.onosproject.incubator.net.virtual.NetworkId; |
| 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.net.virtual.provider.VirtualNetworkProvider; |
| import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProviderRegistry; |
| import org.onosproject.incubator.net.virtual.provider.VirtualNetworkProviderService; |
| import org.onosproject.incubator.net.virtual.impl.VirtualNetworkManager; |
| import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.NetTestTools; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.TestDeviceParams; |
| import org.onosproject.net.intent.FakeIntentManager; |
| import org.onosproject.net.intent.TestableIntentService; |
| import org.onosproject.net.link.LinkEvent; |
| import org.onosproject.net.provider.AbstractProviderService; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.net.topology.TopologyEvent; |
| import org.onosproject.net.topology.TopologyService; |
| import org.onosproject.store.service.TestStorageService; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.Semaphore; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import static org.junit.Assert.*; |
| |
| /** |
| * Junit tests for VirtualNetworkTopologyProvider. |
| */ |
| public class VirtualNetworkTopologyProviderTest extends TestDeviceParams { |
| |
| private final String tenantIdValue1 = "TENANT_ID1"; |
| |
| private VirtualNetwork virtualNetwork; |
| private VirtualDevice virtualDevice1; |
| private VirtualDevice virtualDevice2; |
| private VirtualDevice virtualDevice3; |
| private VirtualDevice virtualDevice4; |
| private VirtualDevice virtualDevice5; |
| private ConnectPoint cp1; |
| private ConnectPoint cp2; |
| private ConnectPoint cp3; |
| private ConnectPoint cp4; |
| private ConnectPoint cp5; |
| private ConnectPoint cp6; |
| private ConnectPoint cp7; |
| private ConnectPoint cp8; |
| private ConnectPoint cp9; |
| |
| private VirtualNetworkManager manager; |
| private DistributedVirtualNetworkStore virtualNetworkManagerStore; |
| private CoreService coreService; |
| private DefaultVirtualNetworkProvider topologyProvider; |
| private TopologyService topologyService; |
| private TestableIntentService intentService = new FakeIntentManager(); |
| private TestServiceDirectory testDirectory; |
| private final VirtualNetworkRegistryAdapter virtualNetworkRegistry = new VirtualNetworkRegistryAdapter(); |
| |
| private static final int MAX_WAIT_TIME = 5; |
| private static final int MAX_PERMITS = 1; |
| private static Semaphore changed; |
| |
| private Set<Set<ConnectPoint>> clusters; |
| |
| @Before |
| public void setUp() throws Exception { |
| |
| virtualNetworkManagerStore = new DistributedVirtualNetworkStore(); |
| |
| coreService = new VirtualNetworkTopologyProviderTest.TestCoreService(); |
| |
| TestUtils.setField(virtualNetworkManagerStore, "coreService", coreService); |
| TestUtils.setField(virtualNetworkManagerStore, "storageService", |
| new TestStorageService()); |
| virtualNetworkManagerStore.activate(); |
| |
| manager = new VirtualNetworkManager(); |
| TestUtils.setField(manager, "store", virtualNetworkManagerStore); |
| TestUtils.setField(manager, "intentService", intentService); |
| NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher()); |
| |
| testDirectory = new TestServiceDirectory(); |
| TestUtils.setField(manager, "serviceDirectory", testDirectory); |
| |
| manager.activate(); |
| |
| manager.registerTenantId(TenantId.tenantId(tenantIdValue1)); |
| virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1)); |
| |
| topologyService = manager.get(virtualNetwork.id(), TopologyService.class); |
| topologyProvider = new DefaultVirtualNetworkProvider(); |
| topologyProvider.topologyService = topologyService; |
| topologyProvider.providerRegistry = virtualNetworkRegistry; |
| topologyProvider.activate(); |
| |
| setupVirtualNetworkTopology(); |
| changed = new Semaphore(0, true); |
| } |
| |
| @After |
| public void tearDown() { |
| topologyProvider.deactivate(); |
| virtualNetworkManagerStore.deactivate(); |
| manager.deactivate(); |
| NetTestTools.injectEventDispatcher(manager, null); |
| } |
| |
| /** |
| * Method to create the virtual network for further testing. |
| **/ |
| private void setupVirtualNetworkTopology() { |
| virtualDevice1 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID1); |
| virtualDevice2 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID2); |
| virtualDevice3 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID3); |
| virtualDevice4 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID4); |
| virtualDevice5 = |
| manager.createVirtualDevice(virtualNetwork.id(), DID5); |
| |
| cp1 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice1.id(), |
| PortNumber.portNumber(1), cp1); |
| |
| cp2 = new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(2)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice1.id(), |
| PortNumber.portNumber(2), cp2); |
| |
| cp3 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(3)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice2.id(), |
| PortNumber.portNumber(3), cp3); |
| |
| cp4 = new ConnectPoint(virtualDevice2.id(), PortNumber.portNumber(4)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice2.id(), |
| PortNumber.portNumber(4), cp4); |
| |
| cp5 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(5)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice3.id(), |
| PortNumber.portNumber(5), cp5); |
| |
| cp6 = new ConnectPoint(virtualDevice3.id(), PortNumber.portNumber(6)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice3.id(), |
| PortNumber.portNumber(6), cp6); |
| |
| cp7 = new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(7)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice4.id(), |
| PortNumber.portNumber(7), cp7); |
| |
| cp8 = new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(8)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice4.id(), |
| PortNumber.portNumber(8), cp8); |
| |
| cp9 = new ConnectPoint(virtualDevice5.id(), PortNumber.portNumber(9)); |
| manager.createVirtualPort(virtualNetwork.id(), virtualDevice5.id(), |
| PortNumber.portNumber(9), cp9); |
| |
| VirtualLink link1 = manager.createVirtualLink(virtualNetwork.id(), cp1, cp3); |
| virtualNetworkManagerStore.updateLink(link1, link1.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp3, cp1); |
| virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link3 = manager.createVirtualLink(virtualNetwork.id(), cp4, cp5); |
| virtualNetworkManagerStore.updateLink(link3, link3.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link4 = manager.createVirtualLink(virtualNetwork.id(), cp5, cp4); |
| virtualNetworkManagerStore.updateLink(link4, link4.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link5 = manager.createVirtualLink(virtualNetwork.id(), cp8, cp9); |
| virtualNetworkManagerStore.updateLink(link5, link5.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link6 = manager.createVirtualLink(virtualNetwork.id(), cp9, cp8); |
| virtualNetworkManagerStore.updateLink(link6, link6.tunnelId(), Link.State.ACTIVE); |
| |
| clusters = null; |
| } |
| |
| /** |
| * Test isTraversable() method using a null source connect point. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testIsTraversableNullSrc() { |
| // test the isTraversable() method with a null source connect point. |
| topologyProvider.isTraversable(null, cp3); |
| } |
| |
| /** |
| * Test isTraversable() method using a null destination connect point. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testIsTraversableNullDst() { |
| // test the isTraversable() method with a null destination connect point. |
| topologyProvider.isTraversable(cp1, null); |
| } |
| |
| /** |
| * Test isTraversable() method. |
| */ |
| @Test |
| public void testIsTraversable() { |
| // test the isTraversable() method. |
| assertTrue("These two connect points should be traversable.", |
| topologyProvider.isTraversable(new ConnectPoint(cp1.elementId(), cp1.port()), |
| new ConnectPoint(cp3.elementId(), cp3.port()))); |
| assertTrue("These two connect points should be traversable.", |
| topologyProvider.isTraversable(new ConnectPoint(cp1.elementId(), cp1.port()), |
| new ConnectPoint(cp5.elementId(), cp5.port()))); |
| assertFalse("These two connect points should not be traversable.", |
| topologyProvider.isTraversable( |
| new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1)), |
| new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(6)))); |
| } |
| |
| /** |
| * Test the topologyChanged() method. |
| */ |
| @Test |
| public void testTopologyChanged() { |
| // Initial setup is two clusters of devices/links. |
| assertEquals("The cluster count did not match.", 2, |
| topologyService.currentTopology().clusterCount()); |
| |
| // Adding this link will join the two clusters together. |
| List<Event> reasons = new ArrayList<>(); |
| VirtualLink link = manager.createVirtualLink(virtualNetwork.id(), cp6, cp7); |
| virtualNetworkManagerStore.updateLink(link, link.tunnelId(), Link.State.ACTIVE); |
| VirtualLink link2 = manager.createVirtualLink(virtualNetwork.id(), cp7, cp6); |
| virtualNetworkManagerStore.updateLink(link2, link2.tunnelId(), Link.State.ACTIVE); |
| |
| reasons.add(new LinkEvent(LinkEvent.Type.LINK_ADDED, link)); |
| reasons.add(new LinkEvent(LinkEvent.Type.LINK_ADDED, link2)); |
| TopologyEvent event = new TopologyEvent( |
| TopologyEvent.Type.TOPOLOGY_CHANGED, |
| topologyService.currentTopology(), |
| reasons); |
| |
| topologyProvider.topologyListener.event(event); |
| |
| // Wait for the topology changed event, and that the topologyChanged method was called. |
| try { |
| if (!changed.tryAcquire(MAX_PERMITS, MAX_WAIT_TIME, TimeUnit.SECONDS)) { |
| fail("Failed to wait for topology changed event."); |
| } |
| } catch (InterruptedException e) { |
| fail("Semaphore exception." + e.getMessage()); |
| } |
| |
| // Validate that the topology changed method received a single cluster of connect points. |
| // This means that the two previous clusters have now joined into a single cluster. |
| assertEquals("The cluster count did not match.", 1, this.clusters.size()); |
| assertEquals("The cluster count did not match.", 1, |
| topologyService.currentTopology().clusterCount()); |
| |
| // Now remove the virtual link to split it back into two clusters. |
| manager.removeVirtualLink(virtualNetwork.id(), link.src(), link.dst()); |
| manager.removeVirtualLink(virtualNetwork.id(), link2.src(), link2.dst()); |
| assertEquals("The cluster count did not match.", 2, |
| topologyService.currentTopology().clusterCount()); |
| |
| reasons = new ArrayList<>(); |
| reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link)); |
| reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link2)); |
| event = new TopologyEvent( |
| TopologyEvent.Type.TOPOLOGY_CHANGED, |
| topologyService.currentTopology(), |
| reasons); |
| |
| topologyProvider.topologyListener.event(event); |
| |
| // Wait for the topology changed event, and that the topologyChanged method was called. |
| try { |
| if (!changed.tryAcquire(MAX_PERMITS, MAX_WAIT_TIME, TimeUnit.SECONDS)) { |
| fail("Failed to wait for topology changed event."); |
| } |
| } catch (InterruptedException e) { |
| fail("Semaphore exception." + e.getMessage()); |
| } |
| |
| // Validate that the topology changed method received two clusters of connect points. |
| // This means that the single previous clusters has now split into two clusters. |
| assertEquals("The cluster count did not match.", 2, this.clusters.size()); |
| } |
| |
| /** |
| * Virtual network registry implementation for this test class. |
| */ |
| private class VirtualNetworkRegistryAdapter implements VirtualNetworkProviderRegistry { |
| private VirtualNetworkProvider provider; |
| |
| @Override |
| public VirtualNetworkProviderService register(VirtualNetworkProvider theProvider) { |
| this.provider = theProvider; |
| return new TestVirtualNetworkProviderService(theProvider); |
| } |
| |
| @Override |
| public void unregister(VirtualNetworkProvider theProvider) { |
| this.provider = null; |
| } |
| |
| @Override |
| public Set<ProviderId> getProviders() { |
| return null; |
| } |
| } |
| |
| |
| /** |
| * Virtual network provider service implementation for this test class. |
| */ |
| private class TestVirtualNetworkProviderService |
| extends AbstractProviderService<VirtualNetworkProvider> |
| implements VirtualNetworkProviderService { |
| |
| /** |
| * Constructor. |
| * |
| * @param provider virtual network test provider |
| */ |
| protected TestVirtualNetworkProviderService(VirtualNetworkProvider provider) { |
| super(provider); |
| } |
| |
| @Override |
| public void topologyChanged(Set<Set<ConnectPoint>> theClusters) { |
| clusters = theClusters; |
| changed.release(); |
| } |
| |
| @Override |
| public void tunnelUp(NetworkId networkId, ConnectPoint src, |
| ConnectPoint dst, TunnelId tunnelId) { |
| } |
| |
| @Override |
| public void tunnelDown(NetworkId networkId, ConnectPoint src, |
| ConnectPoint dst, TunnelId tunnelId) { |
| } |
| } |
| |
| /** |
| * Core service test class. |
| */ |
| private class TestCoreService extends CoreServiceAdapter { |
| |
| @Override |
| public IdGenerator getIdGenerator(String topic) { |
| return new IdGenerator() { |
| private AtomicLong counter = new AtomicLong(0); |
| |
| @Override |
| public long getNewId() { |
| return counter.getAndIncrement(); |
| } |
| }; |
| } |
| } |
| } |