| /* |
| * Copyright 2014-2015 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.proxyarp.impl; |
| |
| 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.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.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.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.edge.EdgePortService; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficTreatment; |
| 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.DefaultOutboundPacket; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.net.proxyarp.ProxyArpStore; |
| import org.onosproject.net.proxyarp.ProxyArpStoreDelegate; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| 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.replay; |
| 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.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests for the {@link ProxyArpManager} class. |
| */ |
| public class ProxyArpManagerTest { |
| |
| 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 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 HID10 = HostId.hostId(MAC10, VLAN10); |
| |
| private static final HostId SOLICITED_HID3 = HostId.hostId(SOLICITED_MAC3, VLAN1); |
| |
| private static final DeviceId DID1 = getDeviceId(1); |
| private static final DeviceId DID2 = getDeviceId(2); |
| |
| private static final PortNumber P1 = PortNumber.portNumber(1); |
| |
| private static final HostLocation LOC1 = new HostLocation(DID1, P1, 123L); |
| private static final HostLocation LOC2 = new HostLocation(DID2, P1, 123L); |
| |
| 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 ProxyArpManager proxyArp; |
| |
| private TestPacketService packetService; |
| private DeviceService deviceService; |
| private EdgePortService edgePortService; |
| private LinkService linkService; |
| private HostService hostService; |
| private InterfaceService interfaceService; |
| |
| @Before |
| public void setUp() throws Exception { |
| proxyArp = new ProxyArpManager(); |
| packetService = new TestPacketService(); |
| proxyArp.packetService = packetService; |
| proxyArp.store = new TestProxyArpStoreAdapter(); |
| |
| // Create a host service mock here. |
| hostService = createMock(HostService.class); |
| proxyArp.hostService = hostService; |
| |
| // Create an edge port service. |
| edgePortService = createMock(EdgePortService.class); |
| proxyArp.edgeService = edgePortService; |
| |
| // Create interface service |
| interfaceService = createMock(InterfaceService.class); |
| proxyArp.interfaceService = interfaceService; |
| |
| // Create the topology |
| createTopology(); |
| proxyArp.deviceService = deviceService; |
| proxyArp.linkService = linkService; |
| |
| setupNoConfigCPoints(); |
| setupconfigIpCPoints(); |
| setupconfigVlanCPoints(); |
| |
| 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(); |
| popluateEdgePortService(); |
| } |
| |
| /** |
| * 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<>(); |
| |
| 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(cp, Sets.newHashSet(ia1, ia3), |
| MacAddress.valueOf(2 * i - 1), |
| VlanId.vlanId((short) 1)); |
| Interface intf2 = new Interface(cp, Sets.newHashSet(ia2, ia4), |
| MacAddress.valueOf(2 * i), |
| VlanId.NONE); |
| |
| interfaces.add(intf1); |
| interfaces.add(intf2); |
| |
| vlanOneSet.add(intf1); |
| |
| 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 intf1 = new Interface(cp, null, |
| MacAddress.NONE, |
| VlanId.vlanId((short) 1)); |
| |
| interfaces.add(intf1); |
| vlanOneSet.add(intf1); |
| |
| expect(interfaceService.getInterfacesByPort(cp)) |
| .andReturn(Sets.newHashSet(intf1)).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(); |
| } |
| } |
| |
| /** |
| * Populates edge ports in the EdgePortService to return all port 1 |
| * as edge ports. |
| */ |
| private void popluateEdgePortService() { |
| 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(); |
| |
| 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 ProxyArpManager#isKnown(org.onlab.packet.IpAddress)} in the |
| * case where the IP address is not known. |
| * Verifies the method returns false. |
| */ |
| @Test |
| public void testNotKnown() { |
| expect(hostService.getHostsByIp(IP1)).andReturn(Collections.<Host>emptySet()); |
| replay(hostService); |
| replay(interfaceService); |
| |
| assertFalse(proxyArp.isKnown(IP1)); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#isKnown(org.onlab.packet.IpAddress)} in the |
| * case where the IP address is known. |
| * Verifies the method returns true. |
| */ |
| @Test |
| public void testKnown() { |
| Host host1 = createMock(Host.class); |
| Host host2 = createMock(Host.class); |
| |
| expect(hostService.getHostsByIp(IP1)) |
| .andReturn(Sets.newHashSet(host1, host2)); |
| replay(hostService); |
| replay(interfaceService); |
| |
| assertTrue(proxyArp.isKnown(IP1)); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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); |
| |
| proxyArp.reply(arpRequest, getLocation(NUM_DEVICES)); |
| |
| 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 ProxyArpManager#reply(Ethernet, ConnectPoint)} 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, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| proxyArp.reply(ndpRequest, getLocation(5)); |
| |
| assertEquals(1, packetService.packets.size()); |
| Ethernet ndpReply = buildNDP(ICMP6.NEIGHBOR_ADVERTISEMENT, |
| MAC3, MAC4, IP3, IP4); |
| verifyPacketOut(ndpReply, getLocation(5), packetService.packets.get(0)); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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); |
| |
| proxyArp.reply(arpRequest, getLocation(NUM_DEVICES)); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| proxyArp.reply(ndpRequest, getLocation(NUM_DEVICES)); |
| |
| verifyFlood(ndpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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); |
| |
| proxyArp.reply(arpRequest, getLocation(NUM_DEVICES)); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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); |
| |
| proxyArp.reply(arpRequest, getLocation(NUM_DEVICES)); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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); |
| |
| proxyArp.reply(arpRequest, getLocation(6)); |
| |
| verifyFlood(arpRequest, configVlanCPoints); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#reply(Ethernet, ConnectPoint)} 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, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| proxyArp.reply(ndpRequest, getLocation(NUM_DEVICES)); |
| |
| 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); |
| |
| proxyArp.reply(arpRequest, LOC1); |
| |
| assertEquals(1, packetService.packets.size()); |
| Ethernet arpReply = buildArp(ARP.OP_REPLY, VLAN1, firstMac, MAC1, ourFirstIp, theirIp); |
| verifyPacketOut(arpReply, LOC1, 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); |
| |
| proxyArp.reply(arpRequest, LOC1); |
| |
| assertEquals(1, packetService.packets.size()); |
| arpReply = buildArp(ARP.OP_REPLY, VLAN1, secondMac, MAC1, ourSecondIp, theirIp); |
| verifyPacketOut(arpReply, LOC1, 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, |
| MAC2, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| ourFirstIp); |
| |
| proxyArp.reply(ndpRequest, LOC1); |
| assertEquals(1, packetService.packets.size()); |
| |
| Ethernet ndpReply = buildNDP(ICMP6.NEIGHBOR_ADVERTISEMENT, |
| firstMac, |
| MAC2, |
| ourFirstIp, |
| theirIp); |
| verifyPacketOut(ndpReply, LOC1, packetService.packets.get(0)); |
| |
| // Test a request for the second address on that port |
| packetService.packets.clear(); |
| ndpRequest = buildNDP(ICMP6.NEIGHBOR_SOLICITATION, |
| MAC2, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| ourSecondIp); |
| proxyArp.reply(ndpRequest, LOC1); |
| assertEquals(1, packetService.packets.size()); |
| |
| ndpReply = buildNDP(ICMP6.NEIGHBOR_ADVERTISEMENT, |
| secondMac, |
| MAC2, |
| ourSecondIp, |
| theirIp); |
| verifyPacketOut(ndpReply, LOC1, 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")); |
| proxyArp.reply(arpRequest, LOC1); |
| 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); |
| proxyArp.reply(arpRequest, LOC1); |
| 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, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| Ip6Address.valueOf("3000::1")); |
| proxyArp.reply(ndpRequest, LOC1); |
| 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, |
| MAC1, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| theirIp, |
| IP3); |
| proxyArp.reply(ndpRequest, LOC1); |
| 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(getLocation(1), |
| Collections.singleton(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) |
| |
| proxyArp.reply(arpRequest, getLocation(5)); |
| 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(); |
| proxyArp.reply(arpRequest, getLocation(2)); |
| 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(getLocation(1), |
| Collections.singleton(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, |
| ourMac, |
| MacAddress.valueOf("33:33:ff:00:00:01"), |
| ourIp, |
| theirIp); |
| |
| proxyArp.reply(ndpRequest, getLocation(5)); |
| 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(); |
| proxyArp.reply(ndpRequest, getLocation(2)); |
| assertEquals(0, packetService.packets.size()); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#forward(Ethernet, ConnectPoint)} in the case where the |
| * destination host is known. |
| * Verifies the correct ARP request is sent out the correct port. |
| */ |
| @Test |
| public void testForwardToHost() { |
| Host host1 = new DefaultHost(PID, HID1, MAC1, VLAN1, LOC1, |
| Collections.singleton(IP1)); |
| Host host2 = new DefaultHost(PID, HID2, MAC2, VLAN1, LOC2, |
| Collections.singleton(IP2)); |
| |
| expect(hostService.getHost(HID1)).andReturn(host1); |
| expect(hostService.getHost(HID2)).andReturn(host2); |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REPLY, VLAN1, MAC2, MAC1, IP2, IP1); |
| |
| proxyArp.forward(arpRequest, LOC2); |
| |
| assertEquals(1, packetService.packets.size()); |
| OutboundPacket packet = packetService.packets.get(0); |
| |
| verifyPacketOut(arpRequest, LOC1, packet); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#forward(Ethernet, ConnectPoint)} in the case where the |
| * destination host is known. |
| * Verifies the correct ARP request is sent out the correct port. |
| */ |
| @Test |
| public void testForwardToHostIpv6() { |
| Host host1 = new DefaultHost(PID, HID3, MAC3, VLAN1, LOC1, |
| Collections.singleton(IP3)); |
| Host host2 = new DefaultHost(PID, HID4, MAC4, VLAN1, LOC2, |
| Collections.singleton(IP4)); |
| |
| expect(hostService.getHost(SOLICITED_HID3)).andReturn(host1); |
| expect(hostService.getHost(HID4)).andReturn(host2); |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet ndpRequest = buildNDP(ICMP6.NEIGHBOR_SOLICITATION, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| proxyArp.forward(ndpRequest, LOC2); |
| |
| assertEquals(1, packetService.packets.size()); |
| OutboundPacket packet = packetService.packets.get(0); |
| |
| verifyPacketOut(ndpRequest, LOC1, packet); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#forward(Ethernet, ConnectPoint)} in the case where the |
| * destination host is not known. |
| * Verifies the correct ARP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testForwardFlood() { |
| expect(hostService.getHost(HID2)).andReturn(null); |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet arpRequest = buildArp(ARP.OP_REPLY, VLAN1, MAC1, MAC2, IP1, IP2); |
| |
| proxyArp.forward(arpRequest, getLocation(NUM_DEVICES)); |
| |
| verifyFlood(arpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * Tests {@link ProxyArpManager#forward(Ethernet, ConnectPoint)} in the case where the |
| * destination host is not known. |
| * Verifies the correct NDP request is flooded out the correct edge ports. |
| */ |
| @Test |
| public void testForwardFloodIpv6() { |
| expect(hostService.getHost(SOLICITED_HID3)).andReturn(null); |
| replay(hostService); |
| replay(interfaceService); |
| |
| Ethernet ndpRequest = buildNDP(ICMP6.NEIGHBOR_SOLICITATION, |
| MAC4, SOLICITED_MAC3, |
| IP4, IP3); |
| |
| proxyArp.forward(ndpRequest, getLocation(NUM_DEVICES)); |
| |
| verifyFlood(ndpRequest, noConfigCPoints); |
| } |
| |
| /** |
| * 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, 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(VLAN1.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); |
| } |
| |
| } |
| |
| private class TestProxyArpStoreAdapter implements ProxyArpStore { |
| @Override |
| public void forward(ConnectPoint outPort, Host subject, ByteBuffer packet) { |
| TrafficTreatment tt = DefaultTrafficTreatment.builder().setOutput(outPort.port()).build(); |
| packetService.emit(new DefaultOutboundPacket(outPort.deviceId(), tt, packet)); |
| } |
| |
| @Override |
| public void setDelegate(ProxyArpStoreDelegate delegate) { |
| } |
| } |
| } |