| /* |
| * Copyright 2015-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.net.edgeservice.impl; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.common.event.impl.TestEventDispatcher; |
| import org.onosproject.event.Event; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultPort; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.NetTestTools; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceServiceAdapter; |
| import org.onosproject.net.edge.EdgePortEvent; |
| import org.onosproject.net.edge.EdgePortListener; |
| import org.onosproject.net.link.LinkEvent; |
| import org.onosproject.net.link.LinkListener; |
| import org.onosproject.net.link.LinkServiceAdapter; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| import org.onosproject.net.topology.TopologyEvent; |
| import org.onosproject.net.topology.TopologyEvent.Type; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import static org.hamcrest.Matchers.greaterThanOrEqualTo; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| import static org.onosproject.net.NetTestTools.injectEventDispatcher; |
| import static org.onosproject.net.device.DeviceEvent.Type.DEVICE_ADDED; |
| import static org.onosproject.net.device.DeviceEvent.Type.DEVICE_AVAILABILITY_CHANGED; |
| import static org.onosproject.net.device.DeviceEvent.Type.DEVICE_REMOVED; |
| import static org.onosproject.net.edge.EdgePortEvent.Type.EDGE_PORT_ADDED; |
| import static org.onosproject.net.edge.EdgePortEvent.Type.EDGE_PORT_REMOVED; |
| import static org.onosproject.net.link.LinkEvent.Type.LINK_ADDED; |
| import static org.onosproject.net.link.LinkEvent.Type.LINK_REMOVED; |
| |
| /** |
| * Test of the edge port manager. Each device has ports '0' through 'numPorts - 1' |
| * as specified by the variable 'numPorts'. |
| */ |
| public class EdgeManagerTest { |
| |
| private EdgeManager mgr; |
| private int totalPorts = 10; |
| private boolean alwaysReturnPorts = false; |
| private final Set<ConnectPoint> infrastructurePorts = Sets.newConcurrentHashSet(); |
| private List<EdgePortEvent> events = Lists.newArrayList(); |
| private final Map<DeviceId, Device> devices = Maps.newConcurrentMap(); |
| private Set<OutboundPacket> packets = Sets.newConcurrentHashSet(); |
| private final EdgePortListener testListener = new TestListener(events); |
| private TestDeviceManager testDeviceManager; |
| private TestLinkService testLinkService; |
| |
| @Before |
| public void setUp() { |
| mgr = new EdgeManager(); |
| injectEventDispatcher(mgr, new TestEventDispatcher()); |
| testDeviceManager = new TestDeviceManager(devices); |
| mgr.deviceService = testDeviceManager; |
| |
| testLinkService = new TestLinkService(); |
| mgr.linkService = testLinkService; |
| |
| mgr.packetService = new TestPacketManager(); |
| mgr.activate(); |
| mgr.addListener(testListener); |
| } |
| |
| @After |
| public void tearDown() { |
| mgr.removeListener(testListener); |
| mgr.deactivate(); |
| } |
| |
| @Test |
| public void testBasics() { |
| //Setup |
| int numDevices = 20; |
| int numPorts = 4; |
| defaultPopulator(numDevices, numPorts); |
| |
| assertEquals("Unexpected number of ports", numDevices * numPorts, infrastructurePorts.size()); |
| |
| assertFalse("Expected isEdge to return false", |
| mgr.isEdgePoint(NetTestTools.connectPoint(Integer.toString(1), 1))); |
| |
| removeInfraPort(NetTestTools.connectPoint(Integer.toString(1), 1)); |
| postTopologyEvent(new LinkEvent(LINK_REMOVED, NetTestTools.link(Integer.toString(1), 1, "b", 2))); |
| assertTrue("Expected isEdge to return true", |
| mgr.isEdgePoint(NetTestTools.connectPoint(Integer.toString(1), 1))); |
| } |
| |
| @Test |
| public void testLinkUpdates() { |
| //Setup |
| ConnectPoint testPoint, referencePoint; |
| |
| //Testing link removal |
| devices.put(NetTestTools.did("a"), NetTestTools.device("a")); |
| devices.put(NetTestTools.did("b"), NetTestTools.device("b")); |
| postTopologyEvent(new LinkEvent(LINK_REMOVED, NetTestTools.link("a", 1, "b", 2))); |
| |
| assertEquals("The list contained an unexpected number of events", |
| 2, events.size()); |
| assertTrue("The first element is of the wrong type.", |
| events.get(0).type() == EDGE_PORT_ADDED); |
| |
| testPoint = events.get(0).subject(); |
| referencePoint = NetTestTools.connectPoint("a", 1); |
| assertTrue("The port numbers of the first element are incorrect", |
| testPoint.port().toLong() == referencePoint.port().toLong()); |
| assertTrue("The device id of the first element is incorrect.", |
| testPoint.deviceId().equals(referencePoint.deviceId())); |
| |
| testPoint = events.get(1).subject(); |
| referencePoint = NetTestTools.connectPoint("b", 2); |
| assertTrue("The port numbers of the second element are incorrect", |
| testPoint.port().toLong() == referencePoint.port().toLong()); |
| assertTrue("The device id of the second element is incorrect.", |
| testPoint.deviceId().equals(referencePoint.deviceId())); |
| |
| //Rebroadcast event to ensure it results in no additional events |
| postTopologyEvent(new LinkEvent(LINK_REMOVED, NetTestTools.link("a", 1, "b", 2))); |
| assertTrue("The list contained an unexpected number of events", events.size() == 2); |
| |
| //Testing link adding when links to remove exist |
| events.clear(); |
| postTopologyEvent(new LinkEvent(LINK_ADDED, NetTestTools.link("a", 1, "b", 2))); |
| |
| assertTrue("The list contained an unexpected number of events", events.size() == 2); |
| assertTrue("The first element is of the wrong type.", |
| events.get(0).type() == EDGE_PORT_REMOVED); |
| assertTrue("The second element is of the wrong type.", |
| events.get(1).type() == EDGE_PORT_REMOVED); |
| |
| testPoint = events.get(0).subject(); |
| referencePoint = NetTestTools.connectPoint("a", 1); |
| assertTrue("The port numbers of the first element are incorrect", |
| testPoint.port().toLong() == referencePoint.port().toLong()); |
| assertTrue("The device id of the first element is incorrect.", |
| testPoint.deviceId().equals(referencePoint.deviceId())); |
| |
| testPoint = events.get(1).subject(); |
| referencePoint = NetTestTools.connectPoint("b", 2); |
| assertTrue("The port numbers of the second element are incorrect", |
| testPoint.port().toLong() == referencePoint.port().toLong()); |
| assertTrue("The device id of the second element is incorrect.", |
| testPoint.deviceId().equals(referencePoint.deviceId())); |
| |
| //Apparent duplicate of previous method tests removal when the elements have already been removed |
| events.clear(); |
| postTopologyEvent(new LinkEvent(LINK_ADDED, NetTestTools.link("a", 1, "b", 2))); |
| assertTrue("The list should contain no events, the removed elements don't exist.", events.size() == 0); |
| } |
| |
| |
| @Test |
| public void testDeviceUpdates() { |
| //Setup |
| |
| Device referenceDevice; |
| DeviceEvent event; |
| int numDevices = 10; |
| int numInfraPorts = 5; |
| totalPorts = 10; |
| |
| defaultPopulator(numDevices, numInfraPorts); |
| |
| events.clear(); |
| |
| //Test response to device added events |
| |
| referenceDevice = NetTestTools.device("11"); |
| devices.put(referenceDevice.id(), referenceDevice); |
| for (int port = 1; port <= numInfraPorts; port++) { |
| infrastructurePorts.add(NetTestTools.connectPoint("11", port)); |
| } |
| event = new DeviceEvent(DEVICE_ADDED, referenceDevice, |
| new DefaultPort(referenceDevice, PortNumber.portNumber(1), true)); |
| postTopologyEvent(event); |
| |
| //Check that ports were populated correctly |
| assertTrue("Unexpected number of new ports added", |
| mgr.deviceService.getPorts(NetTestTools.did("11")).size() == 10); |
| |
| //Check that of the ten ports the half that are infrastructure ports aren't added |
| assertEquals("Unexpected number of new edge ports added", (totalPorts - numInfraPorts), events.size()); |
| |
| for (int index = 0; index < numInfraPorts; index++) { |
| assertTrue("Unexpected type of event", events.get(index).type() == EDGE_PORT_ADDED); |
| } |
| //Names here are irrelevant, the first 5 ports are populated as infrastructure, 6-10 are edge |
| for (int index = 0; index < events.size(); index++) { |
| assertEquals("Port added had unexpected port number.", |
| events.get(index).subject().port(), |
| NetTestTools.connectPoint("a", index + numInfraPorts + 1).port()); |
| } |
| events.clear(); |
| |
| //Repost the event to test repeated posts |
| postTopologyEvent(event); |
| assertEquals("The redundant notification should not have created additional notifications.", |
| 0, events.size()); |
| //Calculate the size of the returned iterable of edge points. |
| Iterable<ConnectPoint> pts = mgr.getEdgePoints(); |
| Iterator pointIterator = pts.iterator(); |
| int count = 0; |
| for (; pointIterator.hasNext(); count++) { |
| pointIterator.next(); |
| } |
| assertEquals("Unexpected number of edge points", (numDevices + 1) * numInfraPorts, count); |
| //Testing device removal |
| events.clear(); |
| event = (new DeviceEvent(DEVICE_REMOVED, referenceDevice, |
| new DefaultPort(referenceDevice, PortNumber.portNumber(1), true))); |
| postTopologyEvent(event); |
| |
| assertEquals("There should be five new events from removal of edge points", |
| totalPorts - numInfraPorts, events.size()); |
| for (int index = 0; index < events.size(); index++) { |
| //Assert that the correct port numbers were removed in the correct order |
| assertThat("Port removed had unexpected port number.", |
| events.get(index).subject().port().toLong(), |
| is(greaterThanOrEqualTo((long) numInfraPorts))); |
| //Assert that the events are of the correct type |
| assertEquals("Unexpected type of event", events.get(index).type(), EDGE_PORT_REMOVED); |
| } |
| events.clear(); |
| //Rebroadcast event to check that it triggers no new behavior |
| postTopologyEvent(event); |
| assertEquals("Rebroadcast of removal event should not produce additional events", |
| 0, events.size()); |
| |
| //Testing device status change, changed from unavailable to available |
| events.clear(); |
| //Make sure that the devicemanager shows the device as available. |
| addDevice(referenceDevice, "1", 5); |
| devices.put(referenceDevice.id(), referenceDevice); |
| |
| event = new DeviceEvent(DEVICE_AVAILABILITY_CHANGED, referenceDevice); |
| postTopologyEvent(event); |
| //An earlier setup set half of the reference device ports to infrastructure |
| assertEquals("An unexpected number of events were generated.", totalPorts - numInfraPorts, events.size()); |
| for (int i = 0; i < 5; i++) { |
| assertEquals("The event was not of the right type", events.get(i).type(), EDGE_PORT_ADDED); |
| } |
| events.clear(); |
| postTopologyEvent(event); |
| assertEquals("No events should have been generated for a set of existing ports.", 0, events.size()); |
| |
| //Test removal when state changes when the device becomes unavailable |
| |
| //Ensure that the deviceManager shows the device as unavailable |
| removeDevice(referenceDevice); |
| // This variable copies the behavior of the topology by returning ports |
| // attached to an unavailable device this behavior is necessary for the |
| // following event to execute properly, if these statements are removed |
| // no events will be generated since no ports will be provided in |
| // getPorts() to EdgeManager. |
| alwaysReturnPorts = true; |
| postTopologyEvent(event); |
| alwaysReturnPorts = false; |
| assertEquals("An unexpected number of events were created.", totalPorts - numInfraPorts, events.size()); |
| for (int i = 0; i < 5; i++) { |
| EdgePortEvent edgeEvent = events.get(i); |
| assertEquals("The event is of an unexpected type.", |
| EdgePortEvent.Type.EDGE_PORT_REMOVED, edgeEvent.type()); |
| assertThat("The event pertains to an unexpected port", |
| edgeEvent.subject().port().toLong(), |
| is(greaterThanOrEqualTo((long) numInfraPorts))); |
| } |
| } |
| |
| |
| @Test |
| public void testInternalCache() { |
| int numDevices = 10; |
| //Number of infrastructure ports per device |
| int numPorts = 5; |
| //Total ports per device when requesting all devices |
| totalPorts = 10; |
| defaultPopulator(numDevices, numPorts); |
| for (int i = 0; i < numDevices; i++) { |
| Device newDevice = NetTestTools.device(Integer.toString(i)); |
| devices.put(newDevice.id(), newDevice); |
| postTopologyEvent(new DeviceEvent(DEVICE_ADDED, newDevice)); |
| } |
| //Check all ports have correct designations |
| ConnectPoint testPoint; |
| for (int deviceNum = 0; deviceNum < numDevices; deviceNum++) { |
| for (int portNum = 1; portNum <= totalPorts; portNum++) { |
| testPoint = NetTestTools.connectPoint(Integer.toString(deviceNum), portNum); |
| if (portNum <= numPorts) { |
| assertFalse("This should not be an edge point", mgr.isEdgePoint(testPoint)); |
| } else { |
| assertTrue("This should be an edge point", mgr.isEdgePoint(testPoint)); |
| } |
| } |
| } |
| int count = 0; |
| for (ConnectPoint ignored : mgr.getEdgePoints()) { |
| count++; |
| } |
| assertEquals("There are an unexpeceted number of edge points returned.", |
| (totalPorts - numPorts) * numDevices, count); |
| for (int deviceNumber = 0; deviceNumber < numDevices; deviceNumber++) { |
| count = 0; |
| for (ConnectPoint ignored : mgr.getEdgePoints(NetTestTools.did("1"))) { |
| count++; |
| } |
| assertEquals("This element has an unexpected number of edge points.", (totalPorts - numPorts), count); |
| } |
| } |
| |
| @Test |
| public void testEmit() { |
| byte[] arr = new byte[10]; |
| Device referenceDevice; |
| DeviceEvent event; |
| int numDevices = 10; |
| int numInfraPorts = 5; |
| totalPorts = 10; |
| defaultPopulator(numDevices, numInfraPorts); |
| for (byte byteIndex = 0; byteIndex < arr.length; byteIndex++) { |
| arr[byteIndex] = byteIndex; |
| } |
| for (int i = 0; i < numDevices; i++) { |
| referenceDevice = NetTestTools.device(Integer.toString(i)); |
| testDeviceManager.listener.event(new DeviceEvent(DEVICE_ADDED, referenceDevice, |
| new DefaultPort(referenceDevice, |
| PortNumber.portNumber(1), |
| true))); |
| } |
| |
| mgr.emitPacket(ByteBuffer.wrap(arr), Optional.empty()); |
| |
| assertEquals("There were an unexpected number of emitted packets", |
| (totalPorts - numInfraPorts) * numDevices, packets.size()); |
| Iterator<OutboundPacket> packetIter = packets.iterator(); |
| OutboundPacket packet; |
| while (packetIter.hasNext()) { |
| packet = packetIter.next(); |
| assertEquals("The packet had an incorrect payload.", arr, packet.data().array()); |
| } |
| //Start testing emission to a specific device |
| packets.clear(); |
| mgr.emitPacket(NetTestTools.did(Integer.toString(1)), ByteBuffer.wrap(arr), Optional.empty()); |
| |
| assertEquals("Unexpected number of outbound packets were emitted.", |
| totalPorts - numInfraPorts, packets.size()); |
| packetIter = packets.iterator(); |
| while (packetIter.hasNext()) { |
| packet = packetIter.next(); |
| assertEquals("The packet had an incorrect payload", arr, packet.data().array()); |
| } |
| } |
| |
| |
| /** |
| * Creates TopologyEvent triggered by {@code event}. |
| * |
| * @param event reason of the TopologyEvent |
| * @return TopologyEvent |
| */ |
| private TopologyEvent topologyEventOf(Event event) { |
| return new TopologyEvent(Type.TOPOLOGY_CHANGED, null, ImmutableList.of(event)); |
| } |
| |
| |
| /** |
| * Post Event dispatched from TopologyManager. |
| * |
| * @param event Event |
| */ |
| private void postTopologyEvent(Event event) { |
| if (event instanceof DeviceEvent) { |
| testDeviceManager.listener.event((DeviceEvent) event); |
| } |
| if (event instanceof LinkEvent) { |
| testLinkService.listener.event((LinkEvent) event); |
| } |
| //testTopologyManager.listener.event(topologyEventOf(event)); |
| } |
| |
| |
| /** |
| * @param numDevices the number of devices to populate. |
| * @param numInfraPorts the number of ports to be set as infrastructure on each device, numbered base 0, ports 0 |
| * through numInfraPorts - 1 |
| */ |
| private void defaultPopulator(int numDevices, int numInfraPorts) { |
| for (int device = 0; device < numDevices; device++) { |
| String str = Integer.toString(device); |
| Device deviceToAdd = NetTestTools.device(str); |
| devices.put(deviceToAdd.id(), deviceToAdd); |
| testDeviceManager.listener.event(new DeviceEvent(DEVICE_ADDED, deviceToAdd)); |
| for (int port = 1; port <= numInfraPorts; port++) { |
| testLinkService.listener.event(new LinkEvent(LINK_ADDED, NetTestTools.link(str, port, "other", 1))); |
| infrastructurePorts.add(NetTestTools.connectPoint(str, port)); |
| } |
| } |
| } |
| |
| /** |
| * Adds the specified device with the specified number of edge ports so long as it is less than the total ports. |
| * |
| * @param device The device to be added |
| * @param deviceName The name given to generate the devices DID |
| * @param numInfraPorts The number of ports to be added numbered 1 ... numInfraPorts |
| */ |
| private void addDevice(Device device, String deviceName, int numInfraPorts) { |
| if (!devices.keySet().contains(device.id())) { |
| devices.put(device.id(), device); |
| for (int i = 1; i <= numInfraPorts && i <= totalPorts; i++) { |
| infrastructurePorts.add(NetTestTools.connectPoint(deviceName, i)); |
| } |
| } |
| } |
| |
| private void removeDevice(Device device) { |
| devices.remove(device.id()); |
| } |
| |
| private void removeInfraPort(ConnectPoint port) { |
| infrastructurePorts.remove(port); |
| } |
| |
| private class TestDeviceManager extends DeviceServiceAdapter { |
| private DeviceListener listener; |
| |
| private Map<DeviceId, Device> devices; |
| |
| public TestDeviceManager(Map<DeviceId, Device> devices) { |
| this.devices = devices; |
| } |
| |
| @Override |
| public boolean isAvailable(DeviceId deviceId) { |
| for (DeviceId id : devices.keySet()) { |
| if (id.equals(deviceId)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public List<Port> getPorts(DeviceId deviceId) { |
| List<Port> ports = new ArrayList<>(); |
| Device device = devices.get(deviceId); |
| if (device == null && !alwaysReturnPorts) { |
| return ports; |
| } |
| for (int portNum = 1; portNum <= totalPorts; portNum++) { |
| //String is generated using 'of:' + the passed name, this creates a |
| ports.add(new DefaultPort(device, PortNumber.portNumber(portNum), true)); |
| } |
| return ports; |
| } |
| |
| @Override |
| public Iterable<Device> getAvailableDevices() { |
| return devices.values(); |
| } |
| |
| |
| @Override |
| public void addListener(DeviceListener listener) { |
| this.listener = listener; |
| } |
| |
| @Override |
| public void removeListener(DeviceListener listener) { |
| this.listener = null; |
| } |
| } |
| |
| private class TestLinkService extends LinkServiceAdapter { |
| |
| private LinkListener listener; |
| |
| @Override |
| public Set<Link> getLinks(ConnectPoint connectPoint) { |
| if (infrastructurePorts.contains(connectPoint)) { |
| return Collections.singleton(NetTestTools.link("1", 1, "2", 1)); |
| } else { |
| return Collections.emptySet(); |
| } |
| } |
| |
| @Override |
| public void addListener(LinkListener listener) { |
| this.listener = listener; |
| } |
| } |
| |
| private class TestPacketManager extends PacketServiceAdapter { |
| @Override |
| public void emit(OutboundPacket packet) { |
| packets.add(packet); |
| } |
| } |
| |
| private class TestListener implements EdgePortListener { |
| private List<EdgePortEvent> events; |
| |
| public TestListener(List<EdgePortEvent> events) { |
| this.events = events; |
| } |
| |
| @Override |
| public void event(EdgePortEvent event) { |
| events.add(event); |
| } |
| } |
| } |