| /* |
| * Copyright 2014-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.net.host.impl; |
| |
| import com.google.common.collect.HashMultimap; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Multimap; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.ARP; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IPv6; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onlab.packet.ndp.NeighborSolicitation; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.incubator.net.intf.InterfaceService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceServiceAdapter; |
| import org.onosproject.net.edge.EdgePortService; |
| import org.onosproject.net.flow.instructions.Instruction; |
| import org.onosproject.net.flow.instructions.Instructions.OutputInstruction; |
| import org.onosproject.net.host.HostProvider; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| import org.onosproject.net.provider.ProviderId; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.easymock.EasyMock.anyObject; |
| import static org.easymock.EasyMock.createMock; |
| import static org.easymock.EasyMock.expect; |
| import static org.easymock.EasyMock.expectLastCall; |
| import static org.easymock.EasyMock.replay; |
| import static org.easymock.EasyMock.verify; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class HostMonitorTest { |
| |
| private static final IpAddress TARGET_IPV4_ADDR = |
| IpAddress.valueOf("10.0.0.1"); |
| private static final IpAddress SOURCE_IPV4_ADDR = |
| IpAddress.valueOf("10.0.0.99"); |
| private static final InterfaceIpAddress IA1 = |
| new InterfaceIpAddress(SOURCE_IPV4_ADDR, IpPrefix.valueOf("10.0.0.0/24")); |
| private MacAddress sourceMac = MacAddress.valueOf(1L); |
| |
| private static final IpAddress TARGET_IPV6_ADDR = |
| IpAddress.valueOf("1000::1"); |
| private static final IpAddress SOURCE_IPV6_ADDR = |
| IpAddress.valueOf("1000::f"); |
| private static final InterfaceIpAddress IA2 = |
| new InterfaceIpAddress(SOURCE_IPV6_ADDR, IpPrefix.valueOf("1000::/64")); |
| private MacAddress sourceMac2 = MacAddress.valueOf(2L); |
| |
| private EdgePortService edgePortService; |
| |
| private HostMonitor hostMonitor; |
| |
| @Before |
| public void setUp() { |
| edgePortService = createMock(EdgePortService.class); |
| expect(edgePortService.isEdgePoint(anyObject(ConnectPoint.class))) |
| .andReturn(true).anyTimes(); |
| replay(edgePortService); |
| } |
| |
| @After |
| public void shutdown() { |
| hostMonitor.shutdown(); |
| } |
| |
| @Test |
| public void testMonitorIpv4HostExists() throws Exception { |
| testMonitorHostExists(TARGET_IPV4_ADDR); |
| } |
| |
| @Test |
| public void testMonitorIpv6HostExists() throws Exception { |
| testMonitorHostExists(TARGET_IPV6_ADDR); |
| } |
| |
| private void testMonitorHostExists(IpAddress hostIp) throws Exception { |
| ProviderId id = new ProviderId("fake://", "id"); |
| |
| Host host = createMock(Host.class); |
| expect(host.providerId()).andReturn(id).anyTimes(); |
| replay(host); |
| |
| HostManager hostManager = createMock(HostManager.class); |
| expect(hostManager.getHostsByIp(hostIp)) |
| .andReturn(Collections.singleton(host)) |
| .anyTimes(); |
| replay(hostManager); |
| |
| HostProvider hostProvider = createMock(HostProvider.class); |
| expect(hostProvider.id()).andReturn(id).anyTimes(); |
| hostProvider.triggerProbe(host); |
| expectLastCall().times(2); |
| replay(hostProvider); |
| |
| hostMonitor = new HostMonitor(null, hostManager, null, edgePortService); |
| |
| hostMonitor.registerHostProvider(hostProvider); |
| hostMonitor.addMonitoringFor(hostIp); |
| |
| hostMonitor.run(); |
| |
| verify(hostProvider); |
| } |
| |
| @Test |
| public void testMonitorIpv4HostDoesNotExist() throws Exception { |
| |
| HostManager hostManager = createMock(HostManager.class); |
| |
| DeviceId devId = DeviceId.deviceId("fake"); |
| |
| Device device = createMock(Device.class); |
| expect(device.id()).andReturn(devId).anyTimes(); |
| replay(device); |
| |
| PortNumber portNum = PortNumber.portNumber(1L); |
| |
| Port port = createMock(Port.class); |
| expect(port.number()).andReturn(portNum).anyTimes(); |
| replay(port); |
| |
| TestDeviceService deviceService = new TestDeviceService(); |
| deviceService.addDevice(device, Collections.singleton(port)); |
| |
| ConnectPoint cp = new ConnectPoint(devId, portNum); |
| |
| expect(hostManager.getHostsByIp(TARGET_IPV4_ADDR)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| replay(hostManager); |
| |
| InterfaceService interfaceService = createMock(InterfaceService.class); |
| expect(interfaceService.getMatchingInterfaces(TARGET_IPV4_ADDR)) |
| .andReturn(Collections.singleton(new Interface(Interface.NO_INTERFACE_NAME, |
| cp, Collections.singletonList(IA1), sourceMac, VlanId.NONE))) |
| .anyTimes(); |
| replay(interfaceService); |
| |
| TestPacketService packetService = new TestPacketService(); |
| |
| |
| // Run the test |
| hostMonitor = new HostMonitor(packetService, hostManager, interfaceService, edgePortService); |
| |
| hostMonitor.addMonitoringFor(TARGET_IPV4_ADDR); |
| hostMonitor.run(); |
| |
| |
| // Check that a packet was sent to our PacketService and that it has |
| // the properties we expect |
| assertEquals(2, packetService.packets.size()); |
| OutboundPacket packet = packetService.packets.get(0); |
| |
| // Check the output port is correct |
| assertEquals(1, packet.treatment().immediate().size()); |
| Instruction instruction = packet.treatment().immediate().get(0); |
| assertTrue(instruction instanceof OutputInstruction); |
| OutputInstruction oi = (OutputInstruction) instruction; |
| assertEquals(portNum, oi.port()); |
| |
| // Check the output packet is correct (well the important bits anyway) |
| final byte[] pktData = new byte[packet.data().remaining()]; |
| packet.data().get(pktData); |
| Ethernet eth = Ethernet.deserializer().deserialize(pktData, 0, pktData.length); |
| assertEquals(Ethernet.VLAN_UNTAGGED, eth.getVlanID()); |
| ARP arp = (ARP) eth.getPayload(); |
| assertArrayEquals(SOURCE_IPV4_ADDR.toOctets(), |
| arp.getSenderProtocolAddress()); |
| assertArrayEquals(sourceMac.toBytes(), |
| arp.getSenderHardwareAddress()); |
| assertArrayEquals(TARGET_IPV4_ADDR.toOctets(), |
| arp.getTargetProtocolAddress()); |
| } |
| |
| @Test |
| public void testMonitorIpv6HostDoesNotExist() throws Exception { |
| |
| HostManager hostManager = createMock(HostManager.class); |
| |
| DeviceId devId = DeviceId.deviceId("fake"); |
| |
| Device device = createMock(Device.class); |
| expect(device.id()).andReturn(devId).anyTimes(); |
| replay(device); |
| |
| PortNumber portNum = PortNumber.portNumber(2L); |
| |
| Port port = createMock(Port.class); |
| expect(port.number()).andReturn(portNum).anyTimes(); |
| replay(port); |
| |
| TestDeviceService deviceService = new TestDeviceService(); |
| deviceService.addDevice(device, Collections.singleton(port)); |
| |
| ConnectPoint cp = new ConnectPoint(devId, portNum); |
| |
| expect(hostManager.getHostsByIp(TARGET_IPV6_ADDR)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| replay(hostManager); |
| |
| InterfaceService interfaceService = createMock(InterfaceService.class); |
| expect(interfaceService.getMatchingInterfaces(TARGET_IPV6_ADDR)) |
| .andReturn(Collections.singleton(new Interface(Interface.NO_INTERFACE_NAME, cp, |
| Collections.singletonList(IA2), sourceMac2, VlanId.NONE))) |
| .anyTimes(); |
| replay(interfaceService); |
| |
| TestPacketService packetService = new TestPacketService(); |
| |
| |
| // Run the test |
| hostMonitor = new HostMonitor(packetService, hostManager, interfaceService, edgePortService); |
| |
| hostMonitor.addMonitoringFor(TARGET_IPV6_ADDR); |
| hostMonitor.run(); |
| |
| |
| // Check that a packet was sent to our PacketService and that it has |
| // the properties we expect |
| assertEquals(2, packetService.packets.size()); |
| OutboundPacket packet = packetService.packets.get(0); |
| |
| // Check the output port is correct |
| assertEquals(1, packet.treatment().immediate().size()); |
| Instruction instruction = packet.treatment().immediate().get(0); |
| assertTrue(instruction instanceof OutputInstruction); |
| OutputInstruction oi = (OutputInstruction) instruction; |
| assertEquals(portNum, oi.port()); |
| |
| // Check the output packet is correct (well the important bits anyway) |
| final byte[] pktData = new byte[packet.data().remaining()]; |
| packet.data().get(pktData); |
| Ethernet eth = Ethernet.deserializer().deserialize(pktData, 0, pktData.length); |
| assertEquals(Ethernet.VLAN_UNTAGGED, eth.getVlanID()); |
| IPv6 ipv6 = (IPv6) eth.getPayload(); |
| assertArrayEquals(SOURCE_IPV6_ADDR.toOctets(), ipv6.getSourceAddress()); |
| |
| NeighborSolicitation ns = |
| (NeighborSolicitation) ipv6.getPayload().getPayload(); |
| assertArrayEquals(sourceMac2.toBytes(), ns.getOptions().get(0).data()); |
| |
| assertArrayEquals(TARGET_IPV6_ADDR.toOctets(), ns.getTargetAddress()); |
| } |
| |
| @Test |
| public void testMonitorIpv4HostDoesNotExistWithVlan() throws Exception { |
| |
| HostManager hostManager = createMock(HostManager.class); |
| |
| DeviceId devId = DeviceId.deviceId("fake"); |
| short vlan = 5; |
| |
| Device device = createMock(Device.class); |
| expect(device.id()).andReturn(devId).anyTimes(); |
| replay(device); |
| |
| PortNumber portNum = PortNumber.portNumber(1L); |
| |
| Port port = createMock(Port.class); |
| expect(port.number()).andReturn(portNum).anyTimes(); |
| replay(port); |
| |
| TestDeviceService deviceService = new TestDeviceService(); |
| deviceService.addDevice(device, Collections.singleton(port)); |
| |
| ConnectPoint cp = new ConnectPoint(devId, portNum); |
| |
| expect(hostManager.getHostsByIp(TARGET_IPV4_ADDR)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| replay(hostManager); |
| |
| InterfaceService interfaceService = createMock(InterfaceService.class); |
| expect(interfaceService.getMatchingInterfaces(TARGET_IPV4_ADDR)) |
| .andReturn(Collections.singleton(new Interface(Interface.NO_INTERFACE_NAME, cp, |
| Collections.singletonList(IA1), sourceMac, VlanId.vlanId(vlan)))) |
| .anyTimes(); |
| replay(interfaceService); |
| |
| TestPacketService packetService = new TestPacketService(); |
| |
| |
| // Run the test |
| hostMonitor = new HostMonitor(packetService, hostManager, interfaceService, edgePortService); |
| |
| hostMonitor.addMonitoringFor(TARGET_IPV4_ADDR); |
| hostMonitor.run(); |
| |
| |
| // Check that a packet was sent to our PacketService and that it has |
| // the properties we expect |
| assertEquals(2, packetService.packets.size()); |
| OutboundPacket packet = packetService.packets.get(0); |
| |
| // Check the output port is correct |
| assertEquals(1, packet.treatment().immediate().size()); |
| Instruction instruction = packet.treatment().immediate().get(0); |
| assertTrue(instruction instanceof OutputInstruction); |
| OutputInstruction oi = (OutputInstruction) instruction; |
| assertEquals(portNum, oi.port()); |
| |
| // Check the output packet is correct (well the important bits anyway) |
| final byte[] pktData = new byte[packet.data().remaining()]; |
| packet.data().get(pktData); |
| Ethernet eth = Ethernet.deserializer().deserialize(pktData, 0, pktData.length); |
| assertEquals(vlan, eth.getVlanID()); |
| ARP arp = (ARP) eth.getPayload(); |
| assertArrayEquals(SOURCE_IPV4_ADDR.toOctets(), |
| arp.getSenderProtocolAddress()); |
| assertArrayEquals(sourceMac.toBytes(), |
| arp.getSenderHardwareAddress()); |
| assertArrayEquals(TARGET_IPV4_ADDR.toOctets(), |
| arp.getTargetProtocolAddress()); |
| } |
| |
| @Test |
| public void testMonitorIpv6HostDoesNotExistWithVlan() throws Exception { |
| |
| HostManager hostManager = createMock(HostManager.class); |
| |
| DeviceId devId = DeviceId.deviceId("fake"); |
| short vlan = 5; |
| |
| Device device = createMock(Device.class); |
| expect(device.id()).andReturn(devId).anyTimes(); |
| replay(device); |
| |
| PortNumber portNum = PortNumber.portNumber(1L); |
| |
| Port port = createMock(Port.class); |
| expect(port.number()).andReturn(portNum).anyTimes(); |
| replay(port); |
| |
| TestDeviceService deviceService = new TestDeviceService(); |
| deviceService.addDevice(device, Collections.singleton(port)); |
| |
| ConnectPoint cp = new ConnectPoint(devId, portNum); |
| |
| expect(hostManager.getHostsByIp(TARGET_IPV6_ADDR)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| replay(hostManager); |
| |
| InterfaceService interfaceService = createMock(InterfaceService.class); |
| expect(interfaceService.getMatchingInterfaces(TARGET_IPV6_ADDR)) |
| .andReturn(Collections.singleton(new Interface(Interface.NO_INTERFACE_NAME, cp, |
| Collections.singletonList(IA2), sourceMac2, VlanId.vlanId(vlan)))) |
| .anyTimes(); |
| replay(interfaceService); |
| |
| TestPacketService packetService = new TestPacketService(); |
| |
| |
| // Run the test |
| hostMonitor = new HostMonitor(packetService, hostManager, interfaceService, edgePortService); |
| |
| hostMonitor.addMonitoringFor(TARGET_IPV6_ADDR); |
| hostMonitor.run(); |
| |
| |
| // Check that a packet was sent to our PacketService and that it has |
| // the properties we expect |
| assertEquals(2, packetService.packets.size()); |
| OutboundPacket packet = packetService.packets.get(0); |
| |
| // Check the output port is correct |
| assertEquals(1, packet.treatment().immediate().size()); |
| Instruction instruction = packet.treatment().immediate().get(0); |
| assertTrue(instruction instanceof OutputInstruction); |
| OutputInstruction oi = (OutputInstruction) instruction; |
| assertEquals(portNum, oi.port()); |
| |
| // Check the output packet is correct (well the important bits anyway) |
| final byte[] pktData = new byte[packet.data().remaining()]; |
| packet.data().get(pktData); |
| Ethernet eth = Ethernet.deserializer().deserialize(pktData, 0, pktData.length); |
| assertEquals(vlan, eth.getVlanID()); |
| IPv6 ipv6 = (IPv6) eth.getPayload(); |
| assertArrayEquals(SOURCE_IPV6_ADDR.toOctets(), ipv6.getSourceAddress()); |
| |
| NeighborSolicitation ns = |
| (NeighborSolicitation) ipv6.getPayload().getPayload(); |
| assertArrayEquals(sourceMac2.toBytes(), ns.getOptions().get(0).data()); |
| |
| assertArrayEquals(TARGET_IPV6_ADDR.toOctets(), ns.getTargetAddress()); |
| } |
| |
| class TestPacketService extends PacketServiceAdapter { |
| |
| List<OutboundPacket> packets = new ArrayList<>(); |
| |
| @Override |
| public void emit(OutboundPacket packet) { |
| packets.add(packet); |
| } |
| } |
| |
| class TestDeviceService extends DeviceServiceAdapter { |
| |
| List<Device> devices = Lists.newArrayList(); |
| Multimap<DeviceId, Port> devicePorts = HashMultimap.create(); |
| |
| void addDevice(Device device, Set<Port> ports) { |
| devices.add(device); |
| for (Port p : ports) { |
| devicePorts.put(device.id(), p); |
| } |
| } |
| |
| @Override |
| public Iterable<Device> getDevices() { |
| return devices; |
| } |
| |
| @Override |
| public List<Port> getPorts(DeviceId deviceId) { |
| List<Port> ports = Lists.newArrayList(); |
| for (Port p : devicePorts.get(deviceId)) { |
| ports.add(p); |
| } |
| return ports; |
| } |
| } |
| } |