| /* |
| * 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.sdxl3; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Sets; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.ARP; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.ICMP6; |
| import org.onlab.packet.IPacket; |
| import org.onlab.packet.IPv6; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.Ip4Prefix; |
| import org.onlab.packet.Ip6Address; |
| import org.onlab.packet.Ip6Prefix; |
| 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.NeighborAdvertisement; |
| import org.onlab.packet.ndp.NeighborDiscoveryOptions; |
| import org.onlab.packet.ndp.NeighborSolicitation; |
| import org.onosproject.TestApplicationId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.core.CoreServiceAdapter; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.incubator.net.intf.InterfaceService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultHost; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.HostLocation; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.config.Config; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.config.NetworkConfigServiceAdapter; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| 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.HostService; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| import org.onosproject.net.link.LinkListener; |
| import org.onosproject.net.link.LinkService; |
| import org.onosproject.net.packet.DefaultInboundPacket; |
| import org.onosproject.net.packet.InboundPacket; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.routing.RoutingService; |
| import org.onosproject.routing.config.BgpConfig; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| 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.replay; |
| import static org.easymock.EasyMock.reset; |
| import static org.hamcrest.Matchers.anyOf; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests for the {@link SdxL3ArpHandler} class. It is based on tests for basic |
| * proxy ARP handling. Additional test cases for traffic between BGP peers are |
| * also included. |
| */ |
| public class SdxL3ArpHandlerTest { |
| private static final ApplicationId ROUTER_APPID = |
| TestApplicationId.create("foo"); |
| private static final ApplicationId SDXL3_APPID = |
| TestApplicationId.create("bar"); |
| |
| private static final int NUM_DEVICES = 10; |
| private static final int NUM_PORTS_PER_DEVICE = 3; |
| private static final int LAST_CONF_DEVICE_INTF_VLAN_IP = 3; |
| private static final int LAST_CONF_DEVICE_INTF_VLAN = 6; |
| |
| private static final Ip4Address IP1 = Ip4Address.valueOf("192.168.1.1"); |
| private static final Ip4Address IP2 = Ip4Address.valueOf("192.168.1.2"); |
| private static final Ip6Address IP3 = Ip6Address.valueOf("1000:ffff::1"); |
| private static final Ip6Address IP4 = Ip6Address.valueOf("1000:ffff::2"); |
| |
| private static final ProviderId PID = new ProviderId("of", "foo"); |
| |
| private static final VlanId VLAN1 = VlanId.vlanId((short) 1); |
| private static final VlanId VLAN2 = VlanId.vlanId((short) 2); |
| private static final VlanId VLAN10 = VlanId.vlanId((short) 10); |
| |
| private static final MacAddress MAC1 = MacAddress.valueOf("00:00:00:00:00:01"); |
| private static final MacAddress MAC2 = MacAddress.valueOf("00:00:00:00:00:02"); |
| private static final MacAddress MAC3 = MacAddress.valueOf("00:00:00:00:00:03"); |
| private static final MacAddress MAC4 = MacAddress.valueOf("00:00:00:00:00:04"); |
| private static final MacAddress MAC5 = MacAddress.valueOf("00:00:00:00:00:05"); |
| private static final MacAddress MAC10 = MacAddress.valueOf("00:00:00:00:00:0A"); |
| |
| private static final MacAddress SOLICITED_MAC3 = MacAddress.valueOf("33:33:FF:00:00:01"); |
| |
| private static final HostId HID1 = HostId.hostId(MAC1, VLAN1); |
| private static final HostId HID2 = HostId.hostId(MAC2, VLAN1); |
| private static final HostId HID3 = HostId.hostId(MAC3, VLAN1); |
| private static final HostId HID4 = HostId.hostId(MAC4, VLAN1); |
| private static final HostId HID5 = HostId.hostId(MAC5, VLAN1); |
| private static final HostId HID10 = HostId.hostId(MAC10, VLAN10); |
| |
| private static final DeviceId DID1 = getDeviceId(1); |
| private static final DeviceId DID2 = getDeviceId(2); |
| private static final DeviceId DID3 = getDeviceId(100); |
| |
| private static final PortNumber P1 = PortNumber.portNumber(1); |
| |
| private static final ConnectPoint CP1 = new ConnectPoint(DID1, P1); |
| private static final ConnectPoint CP2 = new ConnectPoint(DID2, P1); |
| private static final ConnectPoint CP3 = new ConnectPoint(DID3, P1); |
| |
| private static final HostLocation LOC1 = new HostLocation(DID1, P1, 123L); |
| private static final HostLocation LOC2 = new HostLocation(DID2, P1, 123L); |
| |
| private static final String SPEAKER_IP_STRING = "10.0.2.201"; |
| private static final Ip4Address SPEAKER_IP = Ip4Address.valueOf(SPEAKER_IP_STRING); |
| private static final IpPrefix INTF1_IP_PREFIX = IpPrefix.valueOf(SPEAKER_IP_STRING + "/24"); |
| private static final String PEER1_IP_STRING = "10.0.1.1"; |
| private static final Ip4Address PEER1_IP = Ip4Address.valueOf(PEER1_IP_STRING); |
| private static final String PEER2_IP_STRING = "10.0.1.2"; |
| private static final Ip4Address PEER2_IP = Ip4Address.valueOf(PEER2_IP_STRING); |
| private static final String PEER3_IP_STRING = "10.0.2.1"; |
| private static final Ip4Address PEER3_IP = Ip4Address.valueOf(PEER3_IP_STRING); |
| private static final String SPEAKER_IP6_STRING = "1001::1"; |
| private static final Ip6Address SPEAKER_IP6 = Ip6Address.valueOf(SPEAKER_IP6_STRING); |
| private static final IpPrefix INTF2_IP6_PREFIX = IpPrefix.valueOf(SPEAKER_IP6_STRING + "/64"); |
| private static final String PEER1_IP6_STRING = "1001::100"; |
| private static final Ip6Address PEER1_IP6 = Ip6Address.valueOf(PEER1_IP6_STRING); |
| private static final String PEER2_IP6_STRING = "1001::200"; |
| private static final Ip6Address PEER2_IP6 = Ip6Address.valueOf(PEER2_IP6_STRING); |
| private static final String PEER3_IP6_STRING = "1001::1000"; |
| private static final Ip6Address PEER3_IP6 = Ip6Address.valueOf(PEER3_IP6_STRING); |
| private static final String INTF1_NAME = "intf1"; |
| private static final String INTF2_NAME = "intf2"; |
| private static final String INTF_NAME_PREFIX = "intf"; |
| private static final String NO_NAME = ""; |
| |
| private final byte[] zeroMacAddress = MacAddress.ZERO.toBytes(); |
| |
| // The first three devices in the topology have interfaces configured |
| // with VLANs and IPs |
| private final List<ConnectPoint> configIpCPoints = new ArrayList<>(); |
| |
| // Other three devices in the topology (from 4 to 6) have interfaces |
| // configured only with VLANs |
| private final List<ConnectPoint> configVlanCPoints = new ArrayList<>(); |
| |
| // Remaining devices in the network (id > 6) don't have any interface |
| // configured. |
| private final List<ConnectPoint> noConfigCPoints = new ArrayList<>(); |
| |
| private SdxL3ArpHandler proxyArp; |
| |
| private CoreService coreService; |
| private InterfaceService interfaceService; |
| private EdgePortService edgePortService; |
| private HostService hostService; |
| private TestPacketService packetService; |
| private NetworkConfigService networkConfigService; |
| private SdxL3PeerService sdxL3PeerService; |
| private BgpConfig bgpConfig; |
| |
| private DeviceService deviceService; |
| private LinkService linkService; |
| |
| @Before |
| public void setUp() throws Exception { |
| interfaceService = createMock(InterfaceService.class); |
| edgePortService = createMock(EdgePortService.class); |
| hostService = createMock(HostService.class); |
| sdxL3PeerService = createMock(SdxL3PeerService.class); |
| bgpConfig = createMock(BgpConfig.class); |
| coreService = new TestCoreService(); |
| packetService = new TestPacketService(); |
| networkConfigService = new TestNetworkConfigService(); |
| |
| // Create the topology |
| createTopology(); |
| |
| setupNoConfigCPoints(); |
| setupconfigIpCPoints(); |
| setupconfigVlanCPoints(); |
| |
| proxyArp = new SdxL3ArpHandler(); |
| proxyArp.coreService = coreService; |
| proxyArp.interfaceService = interfaceService; |
| proxyArp.edgeService = edgePortService; |
| proxyArp.hostService = hostService; |
| proxyArp.packetService = packetService; |
| proxyArp.networkConfigService = networkConfigService; |
| proxyArp.sdxL3PeerService = sdxL3PeerService; |
| proxyArp.activate(); |
| } |
| |
| /** |
| * Creates a fake topology to feed into the ARP module. |
| * <p> |
| * The default topology is a unidirectional ring topology. Each switch has |
| * 3 ports. Ports 2 and 3 have the links to neighbor switches, and port 1 |
| * is free (edge port). |
| * The first half of the switches have IP addresses configured on their |
| * free ports (port 1). The second half of the switches have no IP |
| * addresses configured. |
| */ |
| private void createTopology() { |
| deviceService = createMock(DeviceService.class); |
| linkService = createMock(LinkService.class); |
| |
| deviceService.addListener(anyObject(DeviceListener.class)); |
| linkService.addListener(anyObject(LinkListener.class)); |
| |
| createDevices(NUM_DEVICES, NUM_PORTS_PER_DEVICE); |
| createLinks(NUM_DEVICES); |
| addIntfConfig(); |
| addEmptyBgpConfig(); |
| populateEdgePortService(); |
| } |
| |
| /** |
| * Creates the devices for the fake topology. |
| */ |
| private void createDevices(int numDevices, int numPorts) { |
| List<Device> devices = new ArrayList<>(); |
| |
| for (int i = 1; i <= numDevices; i++) { |
| DeviceId devId = getDeviceId(i); |
| Device device = createMock(Device.class); |
| expect(device.id()).andReturn(devId).anyTimes(); |
| replay(device); |
| |
| devices.add(device); |
| |
| List<Port> ports = new ArrayList<>(); |
| for (int j = 1; j <= numPorts; j++) { |
| Port port = createMock(Port.class); |
| expect(port.number()).andReturn(PortNumber.portNumber(j)).anyTimes(); |
| replay(port); |
| ports.add(port); |
| } |
| |
| expect(deviceService.getPorts(devId)).andReturn(ports).anyTimes(); |
| expect(deviceService.getDevice(devId)).andReturn(device).anyTimes(); |
| } |
| |
| expect(deviceService.getDevices()).andReturn(devices).anyTimes(); |
| replay(deviceService); |
| } |
| |
| /** |
| * Creates the links for the fake topology. |
| * NB: Only unidirectional links are created, as for this purpose all we |
| * need is to occupy the ports with some link. |
| */ |
| private void createLinks(int numDevices) { |
| List<Link> links = new ArrayList<>(); |
| |
| for (int i = 1; i <= numDevices; i++) { |
| ConnectPoint src = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(2)); |
| ConnectPoint dst = new ConnectPoint( |
| getDeviceId((i + 1 > numDevices) ? 1 : i + 1), |
| PortNumber.portNumber(3)); |
| |
| Link link = createMock(Link.class); |
| expect(link.src()).andReturn(src).anyTimes(); |
| expect(link.dst()).andReturn(dst).anyTimes(); |
| replay(link); |
| |
| links.add(link); |
| } |
| |
| expect(linkService.getLinks()).andReturn(links).anyTimes(); |
| replay(linkService); |
| } |
| |
| /** |
| * On the first three devices two config interfaces are binded on port 1. |
| * The first one with VLAN1, the second one with VLAN equals to none. |
| * Both interfaces have an IP. |
| * On devices 4, 5 and 6 it's binded a config interface on port 1. |
| * The interface is configured with VLAN 1 and no IP. |
| */ |
| private void addIntfConfig() { |
| Set<Interface> interfaces = Sets.newHashSet(); |
| |
| Set<Interface> vlanOneSet = new HashSet<>(); |
| Set<Interface> vlanTwoSet = new HashSet<>(); |
| |
| for (int i = 1; i <= LAST_CONF_DEVICE_INTF_VLAN_IP; i++) { |
| ConnectPoint cp = new ConnectPoint(getDeviceId(i), P1); |
| |
| // Interface addresses for IPv4 |
| Ip4Prefix prefix1 = Ip4Prefix.valueOf("10.0." + (2 * i - 1) + ".0/24"); |
| Ip4Address addr1 = Ip4Address.valueOf("10.0." + (2 * i - 1) + ".1"); |
| Ip4Prefix prefix2 = Ip4Prefix.valueOf("10.0." + (2 * i) + ".0/24"); |
| Ip4Address addr2 = Ip4Address.valueOf("10.0." + (2 * i) + ".1"); |
| InterfaceIpAddress ia1 = new InterfaceIpAddress(addr1, prefix1); |
| InterfaceIpAddress ia2 = new InterfaceIpAddress(addr2, prefix2); |
| |
| // Interface addresses for IPv6 |
| Ip6Prefix prefix3 = Ip6Prefix.valueOf((2 * i - 1) + "000::0/64"); |
| Ip6Address addr3 = Ip6Address.valueOf((2 * i - 1) + "000::1"); |
| Ip6Prefix prefix4 = Ip6Prefix.valueOf((2 * i) + "000::0/64"); |
| Ip6Address addr4 = Ip6Address.valueOf((2 * i) + "000::2"); |
| InterfaceIpAddress ia3 = new InterfaceIpAddress(addr3, prefix3); |
| InterfaceIpAddress ia4 = new InterfaceIpAddress(addr4, prefix4); |
| |
| // Setting up interfaces |
| Interface intf1 = new Interface(INTF1_NAME, cp, |
| Lists.newArrayList(ia1, ia3), |
| MacAddress.valueOf(2 * i - 1), |
| VLAN1); |
| Interface intf2 = new Interface(INTF2_NAME, cp, |
| Lists.newArrayList(ia2, ia4), |
| MacAddress.valueOf(2 * i), |
| VLAN2); |
| |
| interfaces.add(intf1); |
| interfaces.add(intf2); |
| |
| vlanOneSet.add(intf1); |
| vlanTwoSet.add(intf2); |
| |
| expect(interfaceService.getInterfacesByPort(cp)) |
| .andReturn(Sets.newHashSet(intf1, intf2)).anyTimes(); |
| } |
| for (int i = LAST_CONF_DEVICE_INTF_VLAN_IP + 1; i <= LAST_CONF_DEVICE_INTF_VLAN; i++) { |
| ConnectPoint cp = new ConnectPoint(getDeviceId(i), P1); |
| Interface intf = new Interface(INTF_NAME_PREFIX + i, cp, |
| Collections.emptyList(), |
| MacAddress.NONE, |
| VlanId.vlanId((short) 1)); |
| |
| interfaces.add(intf); |
| vlanOneSet.add(intf); |
| |
| expect(interfaceService.getInterfacesByPort(cp)) |
| .andReturn(Sets.newHashSet(intf)).anyTimes(); |
| } |
| expect(interfaceService.getInterfacesByPort(CP3)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| |
| expect(interfaceService.getInterfacesByVlan(VlanId.NONE)) |
| .andReturn(vlanTwoSet).anyTimes(); |
| expect(interfaceService.getInterfacesByVlan(VLAN1)) |
| .andReturn(vlanOneSet).anyTimes(); |
| expect(interfaceService.getInterfacesByVlan(VLAN10)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| expect(interfaceService.getInterfaces()).andReturn(interfaces).anyTimes(); |
| |
| for (int i = LAST_CONF_DEVICE_INTF_VLAN + 1; i <= NUM_DEVICES; i++) { |
| ConnectPoint cp = new ConnectPoint(getDeviceId(i), |
| P1); |
| expect(interfaceService.getInterfacesByPort(cp)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| } |
| } |
| |
| /** |
| * Adds an empty BGP configuration for the purposes of basic ARP handling. |
| */ |
| private void addEmptyBgpConfig() { |
| Set<BgpConfig.BgpSpeakerConfig> speakers = Sets.newHashSet(); |
| |
| expect(bgpConfig.bgpSpeakers()).andReturn(speakers).anyTimes(); |
| expect(bgpConfig.getSpeakerFromPeer(anyObject())).andReturn(null).anyTimes(); |
| replay(bgpConfig); |
| } |
| |
| /** |
| * Populates edge ports in the EdgePortService to return all port 1 |
| * as edge ports. |
| */ |
| private void populateEdgePortService() { |
| Set<ConnectPoint> edgeConnectPoints = new HashSet<>(); |
| |
| for (int i = 1; i <= NUM_DEVICES; i++) { |
| for (int j = 1; j <= NUM_PORTS_PER_DEVICE; j++) { |
| ConnectPoint edgeConnectPoint = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(1)); |
| ConnectPoint noEdgeConnectPointOne = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(2)); |
| ConnectPoint noEdgeConnectPointTwo = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(3)); |
| |
| edgeConnectPoints.add(edgeConnectPoint); |
| |
| expect(edgePortService.isEdgePoint(edgeConnectPoint)) |
| .andReturn(true).anyTimes(); |
| expect(edgePortService.isEdgePoint(noEdgeConnectPointOne)) |
| .andReturn(false).anyTimes(); |
| expect(edgePortService.isEdgePoint(noEdgeConnectPointTwo)) |
| .andReturn(false).anyTimes(); |
| } |
| } |
| expect(edgePortService.getEdgePoints()) |
| .andReturn(edgeConnectPoints).anyTimes(); |
| |
| expect(edgePortService.isEdgePoint(CP3)).andReturn(true).anyTimes(); |
| |
| replay(edgePortService); |
| } |
| |
| /** |
| * Creates a list of connect points used to verify floodling on ports |
| * with no interfaces configured (all ports without interface config). |
| */ |
| private void setupNoConfigCPoints() { |
| for (int i = NUM_DEVICES / 2 + 2; i <= NUM_DEVICES; i++) { |
| ConnectPoint connectPoint = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(1)); |
| noConfigCPoints.add(connectPoint); |
| } |
| } |
| |
| /** |
| * Creates a list of connect points used to verify floodling on ports |
| * with interfaces configured (both VLAN and IP). |
| */ |
| private void setupconfigIpCPoints() { |
| for (int i = 1; i <= 3; i++) { |
| ConnectPoint connectPoint = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(1)); |
| configIpCPoints.add(connectPoint); |
| } |
| } |
| |
| /** |
| * Creates a list of connect points used to verify floodling on ports |
| * with interfaces configured (both VLAN and IP). |
| */ |
| private void setupconfigVlanCPoints() { |
| for (int i = LAST_CONF_DEVICE_INTF_VLAN_IP + 1; i <= LAST_CONF_DEVICE_INTF_VLAN; i++) { |
| ConnectPoint connectPoint = new ConnectPoint( |
| getDeviceId(i), |
| PortNumber.portNumber(1)); |
| configVlanCPoints.add(connectPoint); |
| } |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * destination host is known. |
| * Two host using the same VLAN are registered on the host service on devices 5 and 6. |
| * Host on port 6 asks for the MAC of the device on port 5. |
| * Since the destination mac address is known, the request is not flooded to anywhere |
| * and ONOS directly builds an ARP reply, sended back to the requester on device 6. |
| * It's verified that a proper ARP reply is received on port 1 of device 6. |
| */ |
| @Test |
| public void testReplyKnown() { |
| Host requestor = new DefaultHost(PID, HID1, MAC1, VLAN1, getLocation(NUM_DEVICES), |
| Collections.singleton(IP1)); |
| |
| Host replyer = new DefaultHost(PID, HID2, MAC2, VLAN1, getLocation(NUM_DEVICES - 1), |
| Collections.singleton(IP2)); |
| |
| expect(hostService.getHostsByIp(IP2)) |
| .andReturn(Collections.singleton(replyer)); |
| expect(hostService.getHost(HID1)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, IP1, IP2); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(NUM_DEVICES), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| Ethernet arpReply = buildArp(ARP.OP_REPLY, VLAN1, MAC2, MAC1, IP2, IP1); |
| verifyPacketOut(arpReply, getLocation(NUM_DEVICES), packetService.packets.get(0)); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * destination host is known. |
| * Verifies the correct NDP reply is sent out the correct port. |
| */ |
| @Test |
| public void testReplyKnownIpv6() { |
| Host replyer = new DefaultHost(PID, HID3, MAC3, VLAN1, getLocation(4), |
| Collections.singleton(IP3)); |
| |
| Host requestor = new DefaultHost(PID, HID4, MAC4, VLAN1, getLocation(5), |
| Collections.singleton(IP4)); |
| |
| expect(hostService.getHostsByIp(IP3)) |
| .andReturn(Collections.singleton(replyer)); |
| expect(hostService.getHost(HID4)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, VLAN1, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(5), P1), |
| ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| Ethernet ndpReply = buildNdp(ICMP6.NEIGHBOR_ADVERTISEMENT, VLAN1, |
| MAC3, MAC4, IP3, IP4); |
| verifyPacketOut(ndpReply, getLocation(5), packetService.packets.get(0)); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * destination host is not known. |
| * Only a requestor is present (on device 6, port 1). The device has a VLAN configured |
| * which is not configured anywhere in the system. |
| * Since the destination is not known, and since the ARP request can't be sent out of |
| * interfaces configured, the ARP request is flooded out of ports 4 and 5. |
| * Verifies the ARP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testReplyUnknown() { |
| Host requestor = new DefaultHost(PID, HID10, MAC10, VLAN10, getLocation(NUM_DEVICES), |
| Collections.singleton(IP1)); |
| |
| expect(hostService.getHostsByIp(IP2)) |
| .andReturn(Collections.emptySet()); |
| expect(interfaceService.getInterfacesByIp(IP1)) |
| .andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HID10)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN10, MAC10, null, IP1, IP2); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(NUM_DEVICES), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * destination host is not known. |
| * Verifies the NDP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testReplyUnknownIpv6() { |
| Host requestor = new DefaultHost(PID, HID4, MAC4, VLAN1, getLocation(NUM_DEVICES), |
| Collections.singleton(IP4)); |
| |
| expect(hostService.getHostsByIp(IP3)) |
| .andReturn(Collections.emptySet()); |
| expect(interfaceService.getInterfacesByIp(IP4)) |
| .andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HID4)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, VLAN1, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(NUM_DEVICES), P1), |
| ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| verifyFlood(ndpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * destination host is known for that IP address, but is not on the same |
| * VLAN as the source host. |
| * An host is connected on device 6, port 1 where no interfaces are defined. It sends |
| * ARP requests from VLAN10, not configured anywhere in the network. Another host with |
| * the IP address requested lives on device 5, port 1 in the network. Anyway, since the |
| * host uses another VLAN it's not found and the ARP packet is flooded out of port |
| * 4 and 5. |
| * |
| * Verifies the ARP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testReplyDifferentVlan() { |
| Host requestor = new DefaultHost(PID, HID10, MAC10, VLAN10, getLocation(NUM_DEVICES), |
| Collections.singleton(IP1)); |
| |
| Host replyer = new DefaultHost(PID, HID2, MAC2, VLAN2, getLocation(NUM_DEVICES - 1), |
| Collections.singleton(IP2)); |
| |
| expect(hostService.getHostsByIp(IP2)) |
| .andReturn(Collections.singleton(replyer)); |
| expect(interfaceService.getInterfacesByIp(IP1)) |
| .andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HID10)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN10, MAC10, null, IP1, IP2); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(NUM_DEVICES), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * a vlan packet comes in from a port without interfaces configured. The destination |
| * host is unknown for that IP address and there are some interfaces configured on |
| * the same vlan. |
| * It's expected to see the ARP request going out through ports with no interfaces |
| * configured, devices 4 and 5, port 1. |
| * |
| * Verifies the ARP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testConfiguredVlan() { |
| Host requestor = new DefaultHost(PID, HID1, MAC1, VLAN1, getLocation(NUM_DEVICES), |
| Collections.singleton(IP1)); |
| |
| expect(hostService.getHostsByIp(IP2)) |
| .andReturn(Collections.emptySet()); |
| expect(interfaceService.getInterfacesByIp(IP1)) |
| .andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HID1)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, IP1, IP2); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(NUM_DEVICES), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * a vlan packet comes in from a port without interfaces configured. The destination |
| * host is not known for that IP address and there are some interfaces configured on |
| * the same vlan. |
| * It's expected to see the ARP request going out through ports with no interfaces |
| * configured, devices 4 and 5, port 1. |
| * |
| * Verifies the ARP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testConfiguredVlanOnInterfaces() { |
| Host requestor = new DefaultHost(PID, HID1, MAC1, VLAN1, getLocation(6), |
| Collections.singleton(IP1)); |
| |
| expect(hostService.getHostsByIp(IP2)) |
| .andReturn(Collections.emptySet()); |
| expect(interfaceService.getInterfacesByIp(IP1)) |
| .andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HID1)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, IP1, IP2); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(6), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| verifyFlood(arpRequest, configVlanCPoints); |
| } |
| |
| /** |
| * Tests {@link SdxL3ArpHandler#processPacketIn(InboundPacket)} in the case where the |
| * destination host is known for that IP address, but is not on the same |
| * VLAN as the source host. |
| * Verifies the NDP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testReplyDifferentVlanIpv6() { |
| Host requestor = new DefaultHost(PID, HID4, MAC4, VLAN1, getLocation(NUM_DEVICES), |
| Collections.singleton(IP4)); |
| |
| Host replyer = new DefaultHost(PID, HID3, MAC3, VLAN2, getLocation(NUM_DEVICES - 1), |
| Collections.singleton(IP3)); |
| |
| expect(hostService.getHostsByIp(IP3)) |
| .andReturn(Collections.singleton(replyer)); |
| expect(interfaceService.getInterfacesByIp(IP4)) |
| .andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HID4)).andReturn(requestor); |
| |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, VLAN1, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(NUM_DEVICES), P1), |
| ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| verifyFlood(ndpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Test ARP request from external network to an internal host. |
| */ |
| @Test |
| public void testReplyToRequestForUs() { |
| Ip4Address theirIp = Ip4Address.valueOf("10.0.1.254"); |
| Ip4Address ourFirstIp = Ip4Address.valueOf("10.0.1.1"); |
| Ip4Address ourSecondIp = Ip4Address.valueOf("10.0.2.1"); |
| MacAddress firstMac = MacAddress.valueOf(1L); |
| MacAddress secondMac = MacAddress.valueOf(2L); |
| |
| Host requestor = new DefaultHost(PID, HID1, MAC1, VLAN1, LOC1, |
| Collections.singleton(theirIp)); |
| |
| expect(hostService.getHost(HID1)).andReturn(requestor); |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, theirIp, ourFirstIp); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP1, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| Ethernet arpReply = buildArp(ARP.OP_REPLY, VLAN1, firstMac, MAC1, ourFirstIp, theirIp); |
| verifyPacketOut(arpReply, CP1, packetService.packets.get(0)); |
| |
| // Test a request for the second address on that port |
| packetService.packets.clear(); |
| arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, theirIp, ourSecondIp); |
| |
| pkt = new DefaultInboundPacket(CP1, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| arpReply = buildArp(ARP.OP_REPLY, VLAN1, secondMac, MAC1, ourSecondIp, theirIp); |
| verifyPacketOut(arpReply, CP1, packetService.packets.get(0)); |
| } |
| |
| /** |
| * Test NDP request from external network to an internal host. |
| */ |
| @Test |
| public void testReplyToRequestForUsIpv6() { |
| Ip6Address theirIp = Ip6Address.valueOf("1000::ffff"); |
| Ip6Address ourFirstIp = Ip6Address.valueOf("1000::1"); |
| Ip6Address ourSecondIp = Ip6Address.valueOf("2000::2"); |
| MacAddress firstMac = MacAddress.valueOf(1L); |
| MacAddress secondMac = MacAddress.valueOf(2L); |
| |
| Host requestor = new DefaultHost(PID, HID2, MAC2, VLAN1, LOC1, |
| Collections.singleton(theirIp)); |
| |
| expect(hostService.getHost(HID2)).andReturn(requestor); |
| expect(hostService.getHostsByIp(ourFirstIp)) |
| .andReturn(Collections.singleton(requestor)); |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, VLAN1, |
| MAC2, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| ourFirstIp); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP1, ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| |
| Ethernet ndpReply = buildNdp(ICMP6.NEIGHBOR_ADVERTISEMENT, |
| VLAN1, |
| firstMac, |
| MAC2, |
| ourFirstIp, |
| theirIp); |
| verifyPacketOut(ndpReply, CP1, packetService.packets.get(0)); |
| |
| // Test a request for the second address on that port |
| packetService.packets.clear(); |
| ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN1, |
| MAC2, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| ourSecondIp); |
| |
| pkt = new DefaultInboundPacket(CP1, ndpRequest, |
| ByteBuffer.wrap(ndpReply.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| |
| ndpReply = buildNdp(ICMP6.NEIGHBOR_ADVERTISEMENT, |
| VLAN1, |
| secondMac, |
| MAC2, |
| ourSecondIp, |
| theirIp); |
| verifyPacketOut(ndpReply, CP1, packetService.packets.get(0)); |
| } |
| |
| /** |
| * Request for a valid external IPv4 address but coming in the wrong port. |
| */ |
| @Test |
| public void testReplyExternalPortBadRequest() { |
| replay(hostService); // no further host service expectations |
| replay(interfaceService); |
| |
| Ip4Address theirIp = Ip4Address.valueOf("10.0.1.254"); |
| |
| // Request for a valid external IP address but coming in the wrong port |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, theirIp, |
| Ip4Address.valueOf("10.0.3.1")); |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP1, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(0, packetService.packets.size()); |
| |
| // Request for a valid internal IP address but coming in an external port |
| packetService.packets.clear(); |
| arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, theirIp, IP1); |
| pkt = new DefaultInboundPacket(CP1, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| assertEquals(0, packetService.packets.size()); |
| } |
| |
| /** |
| * Request for a valid external IPv6 address but coming in the wrong port. |
| */ |
| @Test |
| public void testReplyExternalPortBadRequestIpv6() { |
| replay(hostService); // no further host service expectations |
| replay(interfaceService); |
| |
| Ip6Address theirIp = Ip6Address.valueOf("1000::ffff"); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN1, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| Ip6Address.valueOf("3000::1")); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP1, ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(0, packetService.packets.size()); |
| |
| // Request for a valid internal IP address but coming in an external port |
| packetService.packets.clear(); |
| ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN1, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| IP3); |
| |
| pkt = new DefaultInboundPacket(CP1, ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(0, packetService.packets.size()); |
| } |
| |
| /** |
| * Test ARP request from internal network to an external host. |
| */ |
| @Test |
| public void testReplyToRequestFromUs() { |
| Ip4Address ourIp = Ip4Address.valueOf("10.0.1.1"); |
| MacAddress ourMac = MacAddress.valueOf(1L); |
| Ip4Address theirIp = Ip4Address.valueOf("10.0.1.100"); |
| |
| expect(hostService.getHostsByIp(theirIp)).andReturn(Collections.emptySet()); |
| expect(interfaceService.getInterfacesByIp(ourIp)).andReturn( |
| Collections.singleton(new Interface(NO_NAME, |
| getLocation(1), |
| Collections.singletonList( |
| new InterfaceIpAddress(ourIp, |
| IpPrefix.valueOf("10.0.1.1/24"))), |
| ourMac, VLAN1))); |
| expect(hostService.getHost(HostId.hostId(ourMac, VLAN1))).andReturn(null); |
| replay(hostService); |
| replay(interfaceService); |
| |
| // This is a request from something inside our network (like a BGP |
| // daemon) to an external host. |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, ourMac, null, ourIp, theirIp); |
| //Ensure the packet is allowed through (it is not to an internal port) |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(5), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| |
| verifyPacketOut(arpRequest, getLocation(1), packetService.packets.get(0)); |
| |
| // The same request from a random external port should fail |
| packetService.packets.clear(); |
| pkt = new DefaultInboundPacket(new ConnectPoint(getDeviceId(2), P1), |
| arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(0, packetService.packets.size()); |
| } |
| |
| /** |
| * Test NDP request from internal network to an external host. |
| */ |
| @Test |
| public void testReplyToRequestFromUsIpv6() { |
| Ip6Address ourIp = Ip6Address.valueOf("1000::1"); |
| MacAddress ourMac = MacAddress.valueOf(1L); |
| Ip6Address theirIp = Ip6Address.valueOf("1000::100"); |
| |
| expect(hostService.getHostsByIp(theirIp)).andReturn(Collections.emptySet()); |
| expect(interfaceService.getInterfacesByIp(ourIp)) |
| .andReturn(Collections.singleton(new Interface(NO_NAME, |
| getLocation(1), |
| Collections.singletonList(new InterfaceIpAddress( |
| ourIp, |
| IpPrefix.valueOf("1000::1/64"))), |
| ourMac, |
| VLAN1))); |
| expect(hostService.getHost(HostId.hostId(ourMac, VLAN1))).andReturn(null); |
| replay(hostService); |
| replay(interfaceService); |
| |
| // This is a request from something inside our network (like a BGP |
| // daemon) to an external host. |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN1, |
| ourMac, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| ourIp, |
| theirIp); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(new ConnectPoint(getDeviceId(5), P1), |
| ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| |
| verifyPacketOut(ndpRequest, getLocation(1), packetService.packets.get(0)); |
| |
| // The same request from a random external port should fail |
| packetService.packets.clear(); |
| |
| pkt = new DefaultInboundPacket(new ConnectPoint(getDeviceId(2), P1), |
| ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(0, packetService.packets.size()); |
| } |
| |
| |
| /** |
| * Request for a valid IPv4 address for BGP peer and coming from a |
| * BGP peer. |
| */ |
| @Test |
| public void testReplyExternalPortForPeer() { |
| setupSdx(); |
| |
| // Request for a valid external IP address belonging to BGP peer |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, PEER1_IP, PEER2_IP); |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP1, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| /** |
| * Request for a valid IPv6 address for BGP peer and coming from a |
| * BGP peer. |
| */ |
| @Test |
| public void testReplyExternalPortForPeerIpv6() { |
| setupSdx(); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN1, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| PEER1_IP6, |
| PEER2_IP6); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP1, ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| /** |
| * Request for a valid IPv4 address for BGP peer, coming from a |
| * BGP speaker and VLAN translation is necessary. |
| */ |
| @Test |
| public void testReplySpeakerForPeerWithVlan() { |
| setupSdx(); |
| |
| // Request for a valid external IP address belonging to BGP peer |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN10, MAC1, null, |
| SPEAKER_IP, PEER3_IP); |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP3, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| /** |
| * Request for a valid IPv6 address for BGP peer, coming from a |
| * BGP speaker and VLAN translation is necessary. |
| */ |
| @Test |
| public void testReplySpeakerForPeerWithVlanIpv6() { |
| setupSdx(); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN10, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| SPEAKER_IP6, |
| PEER3_IP6); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP3, ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| /** |
| * Request for a valid IPv4 address of BGP speaker, originating from a |
| * BGP peer and VLAN translation is necessary. |
| */ |
| @Test |
| public void testReplyPeerForSpeakerWithVlan() { |
| setupSdx(); |
| |
| // Request for a valid external IP address belonging to BGP peer |
| Ethernet arpRequest = buildArp(ARP.OP_REQUEST, VLAN1, MAC1, null, |
| PEER3_IP, SPEAKER_IP); |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP3, arpRequest, |
| ByteBuffer.wrap(arpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| /** |
| * Request for a valid IPv6 address for BGP speaker, originating from a |
| * BGP peer and VLAN translation is necessary. |
| */ |
| @Test |
| public void testReplyPeerForSpeakerWithVlanIpv6() { |
| setupSdx(); |
| |
| Ethernet ndpRequest = buildNdp(ICMP6.NEIGHBOR_SOLICITATION, |
| VLAN1, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| PEER3_IP6, |
| SPEAKER_IP6); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP3, ndpRequest, |
| ByteBuffer.wrap(ndpRequest.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| |
| /** |
| * Tests the VLAN translation for ARP reply originating from external peer |
| * and addressing to internal speaker. |
| */ |
| @Test |
| public void testHandleArpReplyWithVlan() { |
| setupSdx(); |
| |
| // Reply for a valid external IP address belonging to BGP peer |
| Ethernet arpReply = buildArp(ARP.OP_REPLY, VLAN1, MAC2, MAC1, |
| PEER3_IP, SPEAKER_IP); |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP3, arpReply, |
| ByteBuffer.wrap(arpReply.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| /** |
| * Tests the VLAN translation for NDP reply originating from external peer |
| * and addressing to internal speaker. |
| */ |
| @Test |
| public void testHandleNdpReplyWithVlan() { |
| setupSdx(); |
| |
| Ethernet ndpReply = buildNdp(ICMP6.NEIGHBOR_ADVERTISEMENT, |
| VLAN1, |
| MAC2, |
| MAC1, |
| PEER3_IP6, |
| SPEAKER_IP6); |
| |
| InboundPacket pkt = |
| new DefaultInboundPacket(CP3, ndpReply, |
| ByteBuffer.wrap(ndpReply.serialize())); |
| proxyArp.processPacketIn(pkt); |
| |
| assertEquals(1, packetService.packets.size()); |
| } |
| |
| private void setupSdx() { |
| MacAddress dstMac = MacAddress.valueOf(1L); |
| |
| Host peer1Host = new DefaultHost(PID, HID1, MAC1, VLAN1, LOC1, |
| Collections.singleton(PEER1_IP)); |
| |
| expect(hostService.getHost(HID1)).andReturn(peer1Host); |
| expect(hostService.getHostsByIp(PEER1_IP)) |
| .andReturn(Collections.singleton(peer1Host)); |
| Host peer2Host = new DefaultHost(PID, HID2, MAC2, VLAN1, LOC2, |
| Collections.singleton(PEER2_IP)); |
| expect(hostService.getHost(HID2)).andReturn(peer2Host); |
| expect(hostService.getHostsByIp(PEER2_IP)) |
| .andReturn(Collections.singleton(peer2Host)); |
| Host peer1Ipv6Host = new DefaultHost(PID, HID3, MAC3, VLAN1, LOC1, |
| Collections.singleton(PEER1_IP6)); |
| expect(hostService.getHost(HID3)).andReturn(peer1Ipv6Host); |
| expect(hostService.getHostsByIp(PEER1_IP6)) |
| .andReturn(Collections.singleton(peer1Ipv6Host)); |
| Host peer2Ipv6Host = new DefaultHost(PID, HID4, MAC4, VLAN1, LOC2, |
| Collections.singleton(PEER2_IP6)); |
| expect(hostService.getHost(HID4)).andReturn(peer2Ipv6Host); |
| expect(hostService.getHostsByIp(PEER2_IP6)) |
| .andReturn(Collections.singleton(peer2Ipv6Host)); |
| expect(hostService.getHost(HostId.hostId(dstMac, VLAN1))).andReturn(null); |
| expect(hostService.getHostsByIp(PEER3_IP)).andReturn(Collections.emptySet()); |
| expect(hostService.getHost(HostId.hostId(dstMac, VLAN10))).andReturn(null); |
| Host peer3Ipv6Host = new DefaultHost(PID, HID5, MAC5, VLAN1, LOC2, |
| Collections.singleton(PEER3_IP6)); |
| expect(hostService.getHost(HID5)).andReturn(peer3Ipv6Host); |
| expect(hostService.getHostsByIp(PEER3_IP6)) |
| .andReturn(Collections.singleton(peer3Ipv6Host)); |
| expect(hostService.getHost(HostId.hostId(dstMac, VLAN10))).andReturn(null); |
| expect(hostService.getHostsByIp(SPEAKER_IP)).andReturn(Collections.emptySet()); |
| expect(hostService.getHostsByIp(SPEAKER_IP6)).andReturn(Collections.emptySet()); |
| |
| replay(hostService); |
| |
| expect(interfaceService.getInterfacesByIp(PEER1_IP)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| expect(interfaceService.getInterfacesByIp(PEER1_IP6)) |
| .andReturn(Collections.emptySet()).anyTimes(); |
| |
| Interface intf1 = new Interface(NO_NAME, |
| getLocation(1), |
| Collections.singletonList( |
| new InterfaceIpAddress( |
| SPEAKER_IP, |
| INTF1_IP_PREFIX)), |
| dstMac, VLAN1); |
| expect(interfaceService.getInterfacesByIp(SPEAKER_IP)).andReturn( |
| Collections.singleton(intf1)).anyTimes(); |
| |
| Interface intf2 = new Interface(NO_NAME, |
| getLocation(1), |
| Collections.singletonList( |
| new InterfaceIpAddress( |
| SPEAKER_IP6, |
| INTF2_IP6_PREFIX)), |
| dstMac, VLAN1); |
| expect(interfaceService.getInterfacesByIp(SPEAKER_IP6)).andReturn( |
| Collections.singleton(intf2)).anyTimes(); |
| expect(interfaceService.getInterfacesByIp(PEER3_IP)).andReturn( |
| Collections.singleton(intf1)); |
| expect(interfaceService.getInterfacesByIp(PEER3_IP6)).andReturn( |
| Collections.singleton(intf2)); |
| |
| replay(interfaceService); |
| |
| expect(sdxL3PeerService.getInterfaceForPeer(PEER2_IP)).andReturn(intf1); |
| expect(sdxL3PeerService.getInterfaceForPeer(PEER2_IP6)).andReturn(intf2); |
| expect(sdxL3PeerService.getInterfaceForPeer(PEER3_IP)).andReturn(intf1); |
| expect(sdxL3PeerService.getInterfaceForPeer(PEER3_IP6)).andReturn(intf2); |
| replay(sdxL3PeerService); |
| |
| addPeersToBgpConfig(); |
| } |
| |
| private void addPeersToBgpConfig() { |
| reset(bgpConfig); |
| |
| Set<BgpConfig.BgpSpeakerConfig> speakers = new HashSet<>(); |
| |
| Optional<String> speakerName = Optional.empty(); |
| ConnectPoint connectPoint = CP2; |
| Set<IpAddress> connectedPeers = |
| new HashSet<>(Arrays.asList(PEER1_IP, |
| PEER2_IP, |
| PEER1_IP6, |
| PEER2_IP6)); |
| BgpConfig.BgpSpeakerConfig speaker1 = |
| new BgpConfig.BgpSpeakerConfig(speakerName, |
| VlanId.NONE, |
| connectPoint, |
| connectedPeers); |
| speakers.add(speaker1); |
| |
| speakerName = Optional.empty(); |
| connectPoint = CP3; |
| connectedPeers = new HashSet<>(Arrays.asList(PEER3_IP, |
| PEER3_IP6)); |
| BgpConfig.BgpSpeakerConfig speaker2 = |
| new BgpConfig.BgpSpeakerConfig(speakerName, |
| VLAN10, |
| connectPoint, |
| connectedPeers); |
| speakers.add(speaker2); |
| |
| expect(bgpConfig.bgpSpeakers()).andReturn(speakers).anyTimes(); |
| |
| expect(bgpConfig.getSpeakerFromPeer(PEER1_IP)).andReturn(speaker1).anyTimes(); |
| expect(bgpConfig.getSpeakerFromPeer(PEER2_IP)).andReturn(speaker1).anyTimes(); |
| expect(bgpConfig.getSpeakerFromPeer(PEER3_IP)).andReturn(speaker2).anyTimes(); |
| expect(bgpConfig.getSpeakerFromPeer(PEER1_IP6)).andReturn(speaker1).anyTimes(); |
| expect(bgpConfig.getSpeakerFromPeer(PEER2_IP6)).andReturn(speaker1).anyTimes(); |
| expect(bgpConfig.getSpeakerFromPeer(PEER3_IP6)).andReturn(speaker2).anyTimes(); |
| replay(bgpConfig); |
| } |
| |
| /** |
| * Verifies that the given packet was flooded out all available edge ports, |
| * except for the input port. |
| * |
| * @param packet the packet that was expected to be flooded |
| * @param connectPoints the connectPoints where the outpacket should be |
| * observed |
| */ |
| private void verifyFlood(Ethernet packet, List<ConnectPoint> connectPoints) { |
| |
| // There should be 1 less than NUM_FLOOD_PORTS; the inPort should be excluded. |
| assertEquals(connectPoints.size() - 1, packetService.packets.size()); |
| |
| Collections.sort(packetService.packets, |
| (o1, o2) -> o1.sendThrough().uri().compareTo(o2.sendThrough().uri())); |
| |
| for (int i = 0; i < connectPoints.size() - 1; i++) { |
| OutboundPacket outboundPacket = packetService.packets.get(i); |
| verifyPacketOut(packet, connectPoints.get(i), outboundPacket); |
| } |
| } |
| |
| /** |
| * Verifies the given packet was sent out the given port. |
| * |
| * @param expected the packet that was expected to be sent |
| * @param outPort the port the packet was expected to be sent out |
| * @param actual the actual OutboundPacket to verify |
| */ |
| private void verifyPacketOut(Ethernet expected, ConnectPoint outPort, |
| OutboundPacket actual) { |
| assertArrayEquals(expected.serialize(), actual.data().array()); |
| assertEquals(1, actual.treatment().immediate().size()); |
| assertEquals(outPort.deviceId(), actual.sendThrough()); |
| Instruction instruction = actual.treatment().immediate().get(0); |
| assertTrue(instruction instanceof OutputInstruction); |
| assertEquals(outPort.port(), ((OutputInstruction) instruction).port()); |
| } |
| |
| /** |
| * Returns the device ID of the ith device. |
| * |
| * @param i device to get the ID of |
| * @return the device ID |
| */ |
| private static DeviceId getDeviceId(int i) { |
| return DeviceId.deviceId("" + i); |
| } |
| |
| private static HostLocation getLocation(int i) { |
| return new HostLocation(new ConnectPoint(getDeviceId(i), P1), 123L); |
| } |
| |
| /** |
| * Builds an ARP packet with the given parameters. |
| * |
| * @param opcode opcode of the ARP packet |
| * @param srcMac source MAC address |
| * @param dstMac destination MAC address, or null if this is a request |
| * @param srcIp source IP address |
| * @param dstIp destination IP address |
| * @return the ARP packet |
| */ |
| private Ethernet buildArp(short opcode, VlanId vlanId, MacAddress srcMac, |
| MacAddress dstMac, Ip4Address srcIp, Ip4Address dstIp) { |
| Ethernet eth = new Ethernet(); |
| |
| if (dstMac == null) { |
| eth.setDestinationMACAddress(MacAddress.BROADCAST); |
| } else { |
| eth.setDestinationMACAddress(dstMac); |
| } |
| |
| eth.setSourceMACAddress(srcMac); |
| eth.setEtherType(Ethernet.TYPE_ARP); |
| eth.setVlanID(vlanId.toShort()); |
| |
| ARP arp = new ARP(); |
| arp.setOpCode(opcode); |
| arp.setProtocolType(ARP.PROTO_TYPE_IP); |
| arp.setHardwareType(ARP.HW_TYPE_ETHERNET); |
| |
| arp.setProtocolAddressLength((byte) Ip4Address.BYTE_LENGTH); |
| arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH); |
| arp.setSenderHardwareAddress(srcMac.toBytes()); |
| |
| if (dstMac == null) { |
| arp.setTargetHardwareAddress(zeroMacAddress); |
| } else { |
| arp.setTargetHardwareAddress(dstMac.toBytes()); |
| } |
| |
| arp.setSenderProtocolAddress(srcIp.toOctets()); |
| arp.setTargetProtocolAddress(dstIp.toOctets()); |
| |
| eth.setPayload(arp); |
| return eth; |
| } |
| |
| /** |
| * Builds an NDP packet with the given parameters. |
| * |
| * @param type NeighborSolicitation or NeighborAdvertisement |
| * @param srcMac source MAC address |
| * @param dstMac destination MAC address, or null if this is a request |
| * @param srcIp source IP address |
| * @param dstIp destination IP address |
| * @return the NDP packet |
| */ |
| private Ethernet buildNdp(byte type, VlanId vlanId, MacAddress srcMac, MacAddress dstMac, |
| Ip6Address srcIp, Ip6Address dstIp) { |
| assertThat(type, anyOf( |
| is(ICMP6.NEIGHBOR_SOLICITATION), |
| is(ICMP6.NEIGHBOR_ADVERTISEMENT) |
| )); |
| assertNotNull(srcMac); |
| assertNotNull(dstMac); |
| assertNotNull(srcIp); |
| assertNotNull(dstIp); |
| |
| IPacket ndp; |
| if (type == ICMP6.NEIGHBOR_SOLICITATION) { |
| ndp = new NeighborSolicitation().setTargetAddress(dstIp.toOctets()); |
| } else { |
| ndp = new NeighborAdvertisement() |
| .setSolicitedFlag((byte) 1) |
| .setOverrideFlag((byte) 1) |
| .setTargetAddress(srcIp.toOctets()) |
| .addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| srcMac.toBytes()); |
| } |
| |
| ICMP6 icmp6 = new ICMP6(); |
| icmp6.setIcmpType(type); |
| icmp6.setIcmpCode((byte) 0); |
| icmp6.setPayload(ndp); |
| |
| IPv6 ipv6 = new IPv6(); |
| ipv6.setDestinationAddress(dstIp.toOctets()); |
| ipv6.setSourceAddress(srcIp.toOctets()); |
| ipv6.setNextHeader(IPv6.PROTOCOL_ICMP6); |
| ipv6.setHopLimit((byte) 255); |
| ipv6.setPayload(icmp6); |
| |
| Ethernet eth = new Ethernet(); |
| eth.setDestinationMACAddress(dstMac); |
| eth.setSourceMACAddress(srcMac); |
| eth.setEtherType(Ethernet.TYPE_IPV6); |
| eth.setVlanID(vlanId.toShort()); |
| eth.setPayload(ipv6); |
| |
| return eth; |
| } |
| |
| /** |
| * Test PacketService implementation that simply stores OutboundPackets |
| * passed to {@link #emit(OutboundPacket)} for later verification. |
| */ |
| class TestPacketService extends PacketServiceAdapter { |
| |
| List<OutboundPacket> packets = new ArrayList<>(); |
| |
| @Override |
| public void emit(OutboundPacket packet) { |
| packets.add(packet); |
| } |
| } |
| |
| /** |
| * Mocks the CoreService. |
| */ |
| private class TestCoreService extends CoreServiceAdapter { |
| private final Map<String, ApplicationId> registeredApps = |
| new HashMap<>(); |
| |
| public TestCoreService() { |
| registeredApps.put(RoutingService.ROUTER_APP_ID, ROUTER_APPID); |
| registeredApps.put(SdxL3.SDX_L3_APP, SDXL3_APPID); |
| } |
| |
| @Override |
| public ApplicationId getAppId(String name) { |
| return registeredApps.get(name); |
| } |
| } |
| |
| /** |
| * Mocks the NetworkConfigService. |
| */ |
| private class TestNetworkConfigService extends NetworkConfigServiceAdapter { |
| private final Map<ApplicationId, Config> registeredConfigs |
| = new HashMap<>(); |
| |
| public TestNetworkConfigService() { |
| registeredConfigs.put(ROUTER_APPID, bgpConfig); |
| } |
| |
| @Override |
| public <S, C extends Config<S>> C getConfig(S subject, Class<C> configClass) { |
| return (C) registeredConfigs.get(subject); |
| } |
| |
| @Override |
| public <S, C extends Config<S>> C addConfig(S subject, Class<C> configClass) { |
| return (C) registeredConfigs.get(subject); |
| } |
| } |
| } |
| |