| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.openstacknetworking.impl; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Maps; |
| import com.google.common.util.concurrent.MoreExecutors; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.junit.TestUtils; |
| import org.onlab.packet.DeserializationException; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.ICMP; |
| import org.onlab.packet.ICMPEcho; |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreServiceAdapter; |
| import org.onosproject.core.DefaultApplicationId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.packet.DefaultInboundPacket; |
| import org.onosproject.net.packet.DefaultPacketContext; |
| import org.onosproject.net.packet.InboundPacket; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.net.packet.PacketServiceAdapter; |
| import org.onosproject.openstacknetworking.api.Constants; |
| import org.onosproject.openstacknetworking.api.ExternalPeerRouter; |
| import org.onosproject.openstacknetworking.api.InstancePort; |
| import org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil; |
| import org.onosproject.openstacknode.api.OpenstackNode; |
| import org.onosproject.openstacknode.api.OpenstackNodeAdapter; |
| import org.onosproject.store.service.TestStorageService; |
| import org.openstack4j.model.network.ExternalGateway; |
| import org.openstack4j.model.network.Port; |
| import org.openstack4j.model.network.Router; |
| import org.openstack4j.model.network.RouterInterface; |
| import org.openstack4j.model.network.Subnet; |
| import org.openstack4j.openstack.networking.domain.NeutronPort; |
| import org.openstack4j.openstack.networking.domain.NeutronRouter; |
| import org.openstack4j.openstack.networking.domain.NeutronSubnet; |
| |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| import static org.onlab.packet.Ethernet.TYPE_IPV4; |
| import static org.onlab.packet.ICMP.TYPE_ECHO_REPLY; |
| import static org.onlab.packet.ICMP.TYPE_ECHO_REQUEST; |
| import static org.onosproject.net.NetTestTools.connectPoint; |
| |
| public class OpenstackRoutingIcmpHandlerTest { |
| private OpenstackRoutingIcmpHandler icmpHandler; |
| private static final byte CODE_ECHO_REQUEST = 0x00; |
| private static final byte CODE_ECHO_REPLY = 0x00; |
| |
| protected PacketProcessor packetProcessor; |
| private InstancePort instancePort1; |
| private InstancePort instancePort2; |
| private InstancePort instancePort3; |
| private RouterInterface routerInterface1; |
| private Router router1; |
| |
| private MacAddress srcMacPort1 = MacAddress.valueOf("11:22:33:44:55:66"); |
| private IpAddress srcIpPort1 = IpAddress.valueOf("10.0.0.3"); |
| private DeviceId srcDeviceId1 = DeviceId.deviceId("of:000000000000000a"); |
| private PortNumber srcPortNum1 = PortNumber.portNumber(1); |
| private IpAddress targetIpToGw = IpAddress.valueOf("10.0.0.1"); |
| private IpAddress targetIpToExternal = IpAddress.valueOf("8.8.8.8"); |
| private IpAddress sNatIp = IpAddress.valueOf("172.27.0.13"); |
| private MacAddress targetMac = Constants.DEFAULT_GATEWAY_MAC; |
| private MacAddress peerRouterMac = Constants.DEFAULT_EXTERNAL_ROUTER_MAC; |
| private Port port1; |
| private Port externalPort; |
| private Subnet subnet1; |
| |
| Map<String, Port> portMap = Maps.newHashMap(); |
| Map<String, InstancePort> instancePortMap = Maps.newHashMap(); |
| Map<String, Router> osRouterMap = Maps.newHashMap(); |
| Map<String, RouterInterface> osRouterInterfaceMap = Maps.newHashMap(); |
| |
| /** |
| * Initial setup for this unit test. |
| */ |
| @Before |
| public void setUp() { |
| |
| icmpHandler = new OpenstackRoutingIcmpHandler(); |
| |
| icmpHandler.coreService = new TestCoreService(); |
| icmpHandler.packetService = new TestPacketService(); |
| icmpHandler.storageService = new TestStorageService(); |
| icmpHandler.osNodeService = new TestOpenstackNodeService(); |
| icmpHandler.instancePortService = new TestInstancePortService(); |
| icmpHandler.osNetworkService = new TestOpenstackNetworkService(); |
| icmpHandler.osRouterService = new TestOpenstackRouterService(); |
| TestUtils.setField(icmpHandler, "eventExecutor", MoreExecutors.newDirectExecutorService()); |
| icmpHandler.activate(); |
| |
| createPort(); |
| createSubnet(); |
| createInstancePortMap(); |
| createRouterInterfaceMap(); |
| createRouterMap(); |
| } |
| |
| /** |
| * Tears down all of this unit test. |
| */ |
| @After |
| public void tearDown() { |
| icmpHandler.deactivate(); |
| |
| } |
| |
| /** |
| * Tests the icmp request to gateway. |
| */ |
| @Test |
| public void testRequestToGw() { |
| Ethernet icmpRequest = constructIcmpRequestPacket(srcIpPort1, |
| srcMacPort1, |
| targetIpToGw, |
| targetMac, |
| TYPE_ECHO_REQUEST); |
| sendPacket(icmpRequest); |
| } |
| |
| /** |
| * Tests the icmp request to external. |
| */ |
| @Test |
| public void testRequestToExternal() { |
| Ethernet icmpRequest = constructIcmpRequestPacket(srcIpPort1, |
| srcMacPort1, |
| targetIpToExternal, |
| targetMac, |
| TYPE_ECHO_REQUEST); |
| |
| sendPacket(icmpRequest); |
| |
| Ethernet icmpResponse = constructIcmpRequestPacket(targetIpToExternal, |
| peerRouterMac, |
| sNatIp, |
| targetMac, |
| TYPE_ECHO_REPLY); |
| |
| sendPacket(icmpResponse); |
| } |
| |
| private void sendPacket(Ethernet ethernet) { |
| final ByteBuffer byteBuffer = ByteBuffer.wrap(ethernet.serialize()); |
| InboundPacket inPacket = new DefaultInboundPacket(connectPoint(srcDeviceId1.toString(), |
| Integer.parseInt(srcPortNum1.toString())), |
| ethernet, |
| byteBuffer); |
| |
| PacketContext context = new TestPacketContext(127L, inPacket, null, false); |
| packetProcessor.process(context); |
| } |
| |
| private void validatePacket(Ethernet ethernet) { |
| IPv4 ipPacket = (IPv4) ethernet.getPayload(); |
| |
| if (IPv4.fromIPv4Address(ipPacket.getSourceAddress()).equals(targetIpToGw.toString())) { |
| validateIcmpReqToGw(ipPacket); |
| } else if (IPv4.fromIPv4Address(ipPacket.getSourceAddress()) |
| .equals(sNatIp.toString())) { |
| validateIcmpReqToExternal(ipPacket); |
| } else if (IPv4.fromIPv4Address(ipPacket.getSourceAddress()) |
| .equals(targetIpToExternal.toString())) { |
| validateIcmpRespFromExternal(ipPacket); |
| } |
| } |
| |
| private void validateIcmpRespFromExternal(IPv4 ipPacket) { |
| ICMP icmpResp = (ICMP) ipPacket.getPayload(); |
| ICMPEcho icmpEchoResp = (ICMPEcho) icmpResp.getPayload(); |
| short icmpId = icmpEchoResp.getIdentifier(); |
| short seqNum = icmpEchoResp.getSequenceNum(); |
| |
| assertEquals(icmpResp.getIcmpType(), TYPE_ECHO_REPLY); |
| assertEquals(icmpResp.getIcmpCode(), CODE_ECHO_REPLY); |
| assertEquals(icmpId, 0); |
| assertEquals(seqNum, 0); |
| assertEquals(IPv4.fromIPv4Address(ipPacket.getSourceAddress()), targetIpToExternal.toString()); |
| assertEquals(IPv4.fromIPv4Address(ipPacket.getDestinationAddress()), srcIpPort1.toString()); |
| } |
| |
| private void validateIcmpReqToExternal(IPv4 ipPacket) { |
| ICMP icmpReq = (ICMP) ipPacket.getPayload(); |
| ICMPEcho icmpEchoReq = (ICMPEcho) icmpReq.getPayload(); |
| short icmpId = icmpEchoReq.getIdentifier(); |
| short seqNum = icmpEchoReq.getSequenceNum(); |
| |
| assertEquals(icmpReq.getIcmpType(), TYPE_ECHO_REQUEST); |
| assertEquals(icmpReq.getIcmpCode(), CODE_ECHO_REQUEST); |
| assertEquals(icmpId, 0); |
| assertEquals(seqNum, 0); |
| assertEquals(IPv4.fromIPv4Address(ipPacket.getSourceAddress()), sNatIp.toString()); |
| assertEquals(IPv4.fromIPv4Address(ipPacket.getDestinationAddress()), targetIpToExternal.toString()); |
| |
| } |
| private void validateIcmpReqToGw(IPv4 ipPacket) { |
| ICMP icmpReq = (ICMP) ipPacket.getPayload(); |
| ICMPEcho icmpEchoReq = (ICMPEcho) icmpReq.getPayload(); |
| short icmpId = icmpEchoReq.getIdentifier(); |
| short seqNum = icmpEchoReq.getSequenceNum(); |
| |
| assertEquals(icmpReq.getIcmpType(), TYPE_ECHO_REPLY); |
| assertEquals(icmpReq.getIcmpCode(), CODE_ECHO_REPLY); |
| assertEquals(icmpId, 0); |
| assertEquals(seqNum, 0); |
| assertEquals(IPv4.fromIPv4Address(ipPacket.getSourceAddress()), targetIpToGw.toString()); |
| assertEquals(IPv4.fromIPv4Address(ipPacket.getDestinationAddress()), srcIpPort1.toString()); |
| } |
| |
| private Ethernet constructIcmpRequestPacket(IpAddress srcIp, |
| MacAddress srcMac, |
| IpAddress dstIp, |
| MacAddress dstMac, byte icmpType) { |
| try { |
| ICMPEcho icmpEcho = new ICMPEcho(); |
| icmpEcho.setIdentifier((short) 0) |
| .setSequenceNum((short) 0); |
| ByteBuffer byteBufferIcmpEcho = ByteBuffer.wrap(icmpEcho.serialize()); |
| |
| ICMP icmp = new ICMP(); |
| icmp.setIcmpType(icmpType) |
| .setIcmpCode(icmpType == TYPE_ECHO_REQUEST ? CODE_ECHO_REQUEST : CODE_ECHO_REPLY) |
| .setChecksum((short) 0); |
| |
| icmp.setPayload(ICMPEcho.deserializer().deserialize(byteBufferIcmpEcho.array(), |
| 0, ICMPEcho.ICMP_ECHO_HEADER_LENGTH)); |
| |
| ByteBuffer byteBufferIcmp = ByteBuffer.wrap(icmp.serialize()); |
| |
| IPv4 iPacket = new IPv4(); |
| iPacket.setDestinationAddress(dstIp.toString()); |
| iPacket.setSourceAddress(srcIp.toString()); |
| iPacket.setTtl((byte) 64); |
| iPacket.setChecksum((short) 0); |
| iPacket.setDiffServ((byte) 0); |
| iPacket.setProtocol(IPv4.PROTOCOL_ICMP); |
| |
| iPacket.setPayload(ICMP.deserializer().deserialize(byteBufferIcmp.array(), 0, 8)); |
| |
| Ethernet ethPacket = new Ethernet(); |
| |
| ethPacket.setEtherType(TYPE_IPV4); |
| ethPacket.setSourceMACAddress(srcMac); |
| ethPacket.setDestinationMACAddress(dstMac); |
| ethPacket.setPayload(iPacket); |
| |
| return ethPacket; |
| } catch (DeserializationException e) { |
| return null; |
| } |
| } |
| |
| private class TestCoreService extends CoreServiceAdapter { |
| @Override |
| public ApplicationId registerApplication(String name) { |
| return new DefaultApplicationId(200, "test"); |
| } |
| } |
| |
| /** |
| * Mocks the PacketService. |
| */ |
| private class TestPacketService extends PacketServiceAdapter { |
| @Override |
| public void addProcessor(PacketProcessor processor, int priority) { |
| packetProcessor = processor; |
| } |
| |
| @Override |
| public void emit(OutboundPacket packet) { |
| try { |
| Ethernet eth = Ethernet.deserializer().deserialize(packet.data().array(), |
| 0, packet.data().array().length); |
| validatePacket(eth); |
| } catch (Exception e) { |
| fail(e.getMessage()); |
| } |
| } |
| } |
| |
| /** |
| * Mocks the OpenstackNodeService. |
| */ |
| private class TestOpenstackNodeService extends OpenstackNodeServiceAdapter { |
| |
| @Override |
| public OpenstackNode node(DeviceId deviceId) { |
| return new TestOpenstackNode(); |
| } |
| } |
| |
| /** |
| * Mocks the InstancePortService. |
| */ |
| private class TestInstancePortService extends InstancePortServiceAdapter { |
| @Override |
| public InstancePort instancePort(MacAddress macAddress) { |
| return instancePortMap.values().stream() |
| .filter(port -> Objects.equals(port.macAddress(), macAddress)) |
| .findAny().orElse(null); |
| } |
| |
| @Override |
| public InstancePort instancePort(IpAddress ipAddress, String osNetId) { |
| return instancePortMap.values().stream() |
| .filter(port -> port.networkId().equals(osNetId)) |
| .filter(port -> port.ipAddress().equals(ipAddress)) |
| .findFirst().orElse(null); |
| } |
| |
| @Override |
| public InstancePort instancePort(String osPortId) { |
| return instancePortMap.get(osPortId); |
| } |
| |
| @Override |
| public Set<InstancePort> instancePorts() { |
| return ImmutableSet.copyOf(instancePortMap.values()); |
| } |
| |
| @Override |
| public Set<InstancePort> instancePorts(String osNetId) { |
| Set<InstancePort> ports = instancePortMap.values().stream() |
| .filter(port -> port.networkId().equals(osNetId)) |
| .collect(Collectors.toSet()); |
| |
| return ImmutableSet.copyOf(ports); |
| } |
| } |
| |
| /** |
| * Mocks the OpenstackNetworkService. |
| */ |
| private class TestOpenstackNetworkService extends OpenstackNetworkServiceAdapter { |
| @Override |
| public Set<Port> ports(String netId) { |
| return ImmutableSet.copyOf(portMap.values()); |
| } |
| @Override |
| public Port port(String portId) { |
| |
| return port1; |
| } |
| |
| @Override |
| public Subnet subnet(String subnetId) { |
| |
| return subnet1; |
| } |
| |
| @Override |
| public ExternalPeerRouter externalPeerRouter(ExternalGateway externalGateway) { |
| return DefaultExternalPeerRouter.builder() |
| .ipAddress(IpAddress.valueOf("172.27.0.1")) |
| .macAddress(peerRouterMac) |
| .vlanId(VlanId.NONE) |
| .build(); |
| } |
| } |
| |
| /** |
| * Mocks the OpenstackRouterService. |
| */ |
| private class TestOpenstackRouterService extends OpenstackRouterServiceAdapter { |
| @Override |
| public Set<RouterInterface> routerInterfaces() { |
| return ImmutableSet.copyOf(osRouterInterfaceMap.values()); |
| } |
| |
| @Override |
| public Router router(String osRouterId) { |
| return osRouterMap.get(osRouterId); |
| } |
| public Set<RouterInterface> routerInterfaces(String osRouterId) { |
| return osRouterInterfaceMap.values().stream() |
| .filter(iface -> iface.getId().equals(osRouterId)) |
| .collect(Collectors.toSet()); |
| } |
| |
| } |
| |
| /** |
| * Mocks the DefaultPacket context. |
| */ |
| private final class TestPacketContext extends DefaultPacketContext { |
| private TestPacketContext(long time, InboundPacket inPkt, |
| OutboundPacket outPkt, boolean block) { |
| super(time, inPkt, outPkt, block); |
| } |
| |
| @Override |
| public void send() { |
| // We don't send anything out. |
| } |
| } |
| |
| |
| private void createPort() { |
| InputStream portJsonStream1 = OpenstackRoutingIcmpHandlerTest.class |
| .getResourceAsStream("openstack-port-1.json"); |
| port1 = (Port) OpenstackNetworkingUtil.jsonToModelEntity(portJsonStream1, NeutronPort.class); |
| |
| InputStream portJsonStream2 = OpenstackRoutingIcmpHandlerTest.class |
| .getResourceAsStream("openstack-port-external.json"); |
| externalPort = (Port) OpenstackNetworkingUtil.jsonToModelEntity(portJsonStream2, NeutronPort.class); |
| |
| portMap.put(port1.getId(), port1); |
| portMap.put(externalPort.getId(), externalPort); |
| |
| } |
| |
| private void createSubnet() { |
| InputStream subnetJsonStream1 = OpenstackRoutingIcmpHandlerTest.class |
| .getResourceAsStream("openstack-subnet-1.json"); |
| subnet1 = (Subnet) OpenstackNetworkingUtil.jsonToModelEntity(subnetJsonStream1, NeutronSubnet.class); |
| } |
| |
| private void createRouterInterfaceMap() { |
| routerInterface1 = new TestRouterInterface("router-id-1", |
| "subnet-id-1", |
| "router-interface-id-1", |
| "tenant-id-1"); |
| |
| osRouterInterfaceMap.put(routerInterface1.getPortId(), routerInterface1); |
| } |
| |
| private void createRouterMap() { |
| InputStream routerStream1 = OpenstackRoutingIcmpHandlerTest.class |
| .getResourceAsStream("openstack-router-1.json"); |
| router1 = (Router) |
| OpenstackNetworkingUtil.jsonToModelEntity(routerStream1, NeutronRouter.class); |
| osRouterMap.put(router1.getId(), router1); |
| |
| } |
| private void createInstancePortMap() { |
| instancePort1 = DefaultInstancePort.builder() |
| .networkId("net-id-1") |
| .portId("ce705c24-c1ef-408a-bda3-7bbd946164ab") |
| .deviceId(srcDeviceId1) |
| .portNumber(srcPortNum1) |
| .ipAddress(srcIpPort1) |
| .macAddress(srcMacPort1) |
| .state(InstancePort.State.valueOf("ACTIVE")) |
| .build(); |
| |
| instancePort2 = DefaultInstancePort.builder() |
| .networkId("net-id-2") |
| .portId("port-id-2") |
| .deviceId(DeviceId.deviceId("of:000000000000000b")) |
| .portNumber(PortNumber.portNumber(2)) |
| .ipAddress(IpAddress.valueOf("10.10.10.2")) |
| .macAddress(MacAddress.valueOf("22:33:44:55:66:11")) |
| .state(InstancePort.State.valueOf("ACTIVE")) |
| .build(); |
| |
| instancePort3 = DefaultInstancePort.builder() |
| .networkId("net-id-3") |
| .portId("port-id-3") |
| .deviceId(DeviceId.deviceId("of:000000000000000c")) |
| .oldDeviceId(DeviceId.deviceId("of:000000000000000d")) |
| .oldPortNumber(PortNumber.portNumber(4, "tap-4")) |
| .portNumber(PortNumber.portNumber(3, "tap-3")) |
| .ipAddress(IpAddress.valueOf("10.10.10.3")) |
| .macAddress(MacAddress.valueOf("33:44:55:66:11:22")) |
| .state(InstancePort.State.valueOf("ACTIVE")) |
| .build(); |
| |
| instancePortMap.put(instancePort1.portId(), instancePort1); |
| instancePortMap.put(instancePort2.portId(), instancePort2); |
| instancePortMap.put(instancePort3.portId(), instancePort3); |
| } |
| |
| |
| private class TestOpenstackNode extends OpenstackNodeAdapter { |
| public TestOpenstackNode() { |
| super(); |
| } |
| @Override |
| public PortNumber uplinkPortNum() { |
| return PortNumber.portNumber(1); |
| } |
| } |
| } |