/** * Constructs a BGP intent and put it into the intentList. * * <p>The purpose of this method is too simplify the setUpBgpIntents() method, and to make the * setUpBgpIntents() easy to read. * * @param srcVlanId ingress VlanId * @param dstVlanId egress VlanId * @param srcPrefix source IP prefix to match * @param dstPrefix destination IP prefix to match * @param srcTcpPort source TCP port to match * @param dstTcpPort destination TCP port to match * @param srcConnectPoint source connect point for PointToPointIntent * @param dstConnectPoint destination connect point for PointToPointIntent */ private void bgpPathintentConstructor( VlanId srcVlanId, VlanId dstVlanId, String srcPrefix, String dstPrefix, Short srcTcpPort, Short dstTcpPort, ConnectPoint srcConnectPoint, ConnectPoint dstConnectPoint) { TrafficSelector.Builder builder = DefaultTrafficSelector.builder() .matchEthType(Ethernet.TYPE_IPV4) .matchIPProtocol(IPv4.PROTOCOL_TCP) .matchIPSrc(IpPrefix.valueOf(srcPrefix)) .matchIPDst(IpPrefix.valueOf(dstPrefix)); if (!srcVlanId.equals(VlanId.NONE)) { builder.matchVlanId(srcVlanId); } TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); if (!dstVlanId.equals(VlanId.NONE)) { treatment.setVlanId(dstVlanId); } if (srcTcpPort != null) { builder.matchTcpSrc(TpPort.tpPort(srcTcpPort)); } if (dstTcpPort != null) { builder.matchTcpDst(TpPort.tpPort(dstTcpPort)); } Key key = Key.of( srcPrefix.split("/")[0] + "-" + dstPrefix.split("/")[0] + "-" + ((srcTcpPort == null) ? "dst" : "src"), APPID); PointToPointIntent intent = PointToPointIntent.builder() .appId(APPID) .key(key) .selector(builder.build()) .treatment(treatment.build()) .ingressPoint(srcConnectPoint) .egressPoint(dstConnectPoint) .build(); intentList.add(intent); }
@Override protected void execute() { SubnetService service = get(SubnetService.class); if (id == null || networkId == null || tenantId == null) { print(null, "id,networkId,tenantId can not be null"); return; } Subnet subnet = new DefaultSubnet( SubnetId.subnetId(id), subnetName, TenantNetworkId.networkId(networkId), TenantId.tenantId(tenantId), ipVersion, cidr == null ? null : IpPrefix.valueOf(cidr), gatewayIp == null ? null : IpAddress.valueOf(gatewayIp), dhcpEnabled, shared, hostRoutes, ipV6AddressMode == null ? null : Mode.valueOf(ipV6AddressMode), ipV6RaMode == null ? null : Mode.valueOf(ipV6RaMode), allocationPools); Set<Subnet> subnetsSet = Sets.newHashSet(); subnetsSet.add(subnet); service.updateSubnets(subnetsSet); }
private void populateRoutingRulestoSameNode( Ip4Address vmIp, MacAddress vmMac, PortNumber port, DeviceId deviceId, long vni, String cidr) { TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); // FIXME: we need to check the VNI of the dest IP also just in case... sBuilder .matchEthType(Ethernet.TYPE_IPV4) .matchIPDst(vmIp.toIpPrefix()) .matchIPSrc(IpPrefix.valueOf(cidr)) .matchTunnelId(vni); tBuilder.setEthDst(vmMac).setOutput(port); ForwardingObjective fo = DefaultForwardingObjective.builder() .withSelector(sBuilder.build()) .withTreatment(tBuilder.build()) .withPriority(EW_ROUTING_RULE_PRIORITY) .withFlag(ForwardingObjective.Flag.SPECIFIC) .fromApp(appId) .add(); flowObjectiveService.forward(deviceId, fo); }
private void populateRoutingRulestoDifferentNode( Ip4Address vmIp, long vni, DeviceId deviceId, Ip4Address hostIp, String cidr) { TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); sBuilder .matchEthType(Ethernet.TYPE_IPV4) .matchTunnelId(vni) .matchIPSrc(IpPrefix.valueOf(cidr)) .matchIPDst(vmIp.toIpPrefix()); tBuilder .extension(buildExtension(deviceService, deviceId, hostIp), deviceId) .setOutput(nodeService.tunnelPort(deviceId).get()); ForwardingObjective fo = DefaultForwardingObjective.builder() .withSelector(sBuilder.build()) .withTreatment(tBuilder.build()) .withPriority(EW_ROUTING_RULE_PRIORITY) .withFlag(ForwardingObjective.Flag.SPECIFIC) .fromApp(appId) .add(); flowObjectiveService.forward(deviceId, fo); }
private void removeExternalRules(OpenstackNetwork osNet, String subNetCidr) { TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); sBuilder .matchEthType(Ethernet.TYPE_IPV4) .matchTunnelId(Long.valueOf(osNet.segmentId())) .matchIPSrc(IpPrefix.valueOf(subNetCidr)) .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); nodeService .completeNodes() .forEach( node -> { ForwardingObjective.Flag flag = node.type().equals(GATEWAY) ? ForwardingObjective.Flag.VERSATILE : ForwardingObjective.Flag.SPECIFIC; RulePopulatorUtil.removeRule( flowObjectiveService, appId, node.intBridge(), sBuilder.build(), flag, ROUTING_RULE_PRIORITY); }); }
@Override public Criterion decodeCriterion(ObjectNode json) { String ip = nullIsIllegal(json.get(CriterionCodec.IP), CriterionCodec.IP + MISSING_MEMBER_MESSAGE) .asText(); return Criteria.matchIPv6Dst(IpPrefix.valueOf(ip)); }
/** Tests the encoding of an intent with treatment, selector and constraints specified. */ @Test public void intentWithTreatmentSelectorAndConstraints() { ConnectPoint ingress = NetTestTools.connectPoint("ingress", 1); ConnectPoint egress = NetTestTools.connectPoint("egress", 2); DeviceId did1 = did("device1"); DeviceId did2 = did("device2"); DeviceId did3 = did("device3"); Lambda ochSignal = Lambda.ochSignal(GridType.DWDM, ChannelSpacing.CHL_100GHZ, 4, 8); final TrafficSelector selector = DefaultTrafficSelector.builder() .matchIPProtocol((byte) 3) .matchMplsLabel(MplsLabel.mplsLabel(4)) .add(Criteria.matchOchSignalType(OchSignalType.FIXED_GRID)) .add(Criteria.matchLambda(ochSignal)) .matchEthDst(MacAddress.BROADCAST) .matchIPDst(IpPrefix.valueOf("1.2.3.4/24")) .build(); final TrafficTreatment treatment = DefaultTrafficTreatment.builder() .add(Instructions.modL0Lambda(new IndexedLambda(33))) .setMpls(MplsLabel.mplsLabel(44)) .setOutput(PortNumber.CONTROLLER) .setEthDst(MacAddress.BROADCAST) .build(); final List<Constraint> constraints = ImmutableList.of( new BandwidthConstraint(Bandwidth.bps(1.0)), new LambdaConstraint(new IndexedLambda(3)), new AnnotationConstraint("key", 33.0), new AsymmetricPathConstraint(), new LatencyConstraint(Duration.ofSeconds(2)), new ObstacleConstraint(did1, did2), new WaypointConstraint(did3)); final PointToPointIntent intent = PointToPointIntent.builder() .appId(appId) .selector(selector) .treatment(treatment) .ingressPoint(ingress) .egressPoint(egress) .constraints(constraints) .build(); final JsonCodec<PointToPointIntent> intentCodec = context.codec(PointToPointIntent.class); assertThat(intentCodec, notNullValue()); final ObjectNode intentJson = intentCodec.encode(intent, context); assertThat(intentJson, matchesIntent(intent)); }
@Override protected void execute() { StaticRoutingService routingService = get(StaticRoutingService.class); if (fibEntryString.length < 3) { return; } IpPrefix prefix = IpPrefix.valueOf(fibEntryString[0]); IpAddress nextHopIp = IpAddress.valueOf(fibEntryString[1]); MacAddress nextHopMac = MacAddress.valueOf(fibEntryString[2]); FibEntry fibEntry = new FibEntry(prefix, nextHopIp, nextHopMac); FibUpdate fibUpdate = new FibUpdate(FibUpdate.Type.DELETE, fibEntry); FibListener fibListener = routingService.getFibListener(); fibListener.update(Collections.emptyList(), Arrays.asList(fibUpdate)); }
/** * Process incoming ICMP packet. If it is an ICMP request to router or known host, then sends an * ICMP response. If it is an ICMP packet to known host and forward the packet to the host. If it * is an ICMP packet to unknown host in a subnet, then sends an ARP request to the subnet. * * @param pkt inbound packet */ public void processPacketIn(InboundPacket pkt) { Ethernet ethernet = pkt.parsed(); IPv4 ipv4 = (IPv4) ethernet.getPayload(); ConnectPoint connectPoint = pkt.receivedFrom(); DeviceId deviceId = connectPoint.deviceId(); Ip4Address destinationAddress = Ip4Address.valueOf(ipv4.getDestinationAddress()); Set<Ip4Address> gatewayIpAddresses = config.getPortIPs(deviceId); Ip4Address routerIp; try { routerIp = config.getRouterIp(deviceId); } catch (DeviceConfigNotFoundException e) { log.warn(e.getMessage() + " Aborting processPacketIn."); return; } IpPrefix routerIpPrefix = IpPrefix.valueOf(routerIp, IpPrefix.MAX_INET_MASK_LENGTH); Ip4Address routerIpAddress = routerIpPrefix.getIp4Prefix().address(); // ICMP to the router IP or gateway IP if (((ICMP) ipv4.getPayload()).getIcmpType() == ICMP.TYPE_ECHO_REQUEST && (destinationAddress.equals(routerIpAddress) || gatewayIpAddresses.contains(destinationAddress))) { sendICMPResponse(ethernet, connectPoint); // ICMP for any known host } else if (!srManager.hostService.getHostsByIp(destinationAddress).isEmpty()) { // TODO: known host packet should not be coming to controller - resend flows? srManager.ipHandler.forwardPackets(deviceId, destinationAddress); // ICMP for an unknown host in the subnet of the router } else if (config.inSameSubnet(deviceId, destinationAddress)) { srManager.arpHandler.sendArpRequest(deviceId, destinationAddress, connectPoint); // ICMP for an unknown host } else { log.debug("ICMP request for unknown host {} ", destinationAddress); // Do nothing } }
private void populateRuleToGateway(DeviceId deviceId, GroupId groupId, long vni, String cidr) { TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); sBuilder .matchEthType(Ethernet.TYPE_IPV4) .matchTunnelId(vni) .matchIPSrc(IpPrefix.valueOf(cidr)) .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); tBuilder.group(groupId); ForwardingObjective fo = DefaultForwardingObjective.builder() .withSelector(sBuilder.build()) .withTreatment(tBuilder.build()) .withFlag(ForwardingObjective.Flag.SPECIFIC) .withPriority(ROUTING_RULE_PRIORITY) .fromApp(appId) .add(); flowObjectiveService.forward(deviceId, fo); }
private void removeRoutingRules(Host host, Set<OpenstackSubnet> osSubNets) { String osSubNetId = host.annotations().value(SUBNET_ID); if (osSubNetId == null) { return; } Map<String, String> vniMap = new HashMap<>(); openstackService.networks().stream().forEach(n -> vniMap.put(n.id(), n.segmentId())); osSubNets .stream() .filter(osSubNet -> !osSubNet.id().equals(osSubNetId)) .forEach( osSubNet -> { TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); sBuilder .matchEthType(Ethernet.TYPE_IPV4) .matchIPDst(host.ipAddresses().stream().findFirst().get().toIpPrefix()) .matchIPSrc(IpPrefix.valueOf(osSubNet.cidr())) .matchTunnelId(Long.valueOf(vniMap.get(osSubNet.networkId()))); nodeService .completeNodes() .stream() .filter(node -> node.type().equals(COMPUTE)) .forEach( node -> RulePopulatorUtil.removeRule( flowObjectiveService, appId, node.intBridge(), sBuilder.build(), ForwardingObjective.Flag.SPECIFIC, EW_ROUTING_RULE_PRIORITY)); }); log.debug("Removed routing rule from {} to {}", host, osSubNets); }
private void populateGatewayToController(long vni, String subNetCidr) { TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); sBuilder .matchEthType(Ethernet.TYPE_IPV4) .matchTunnelId(vni) .matchIPSrc(IpPrefix.valueOf(subNetCidr)) .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); tBuilder.setOutput(PortNumber.CONTROLLER); ForwardingObjective fo = DefaultForwardingObjective.builder() .withSelector(sBuilder.build()) .withTreatment(tBuilder.build()) .withFlag(ForwardingObjective.Flag.VERSATILE) .withPriority(ROUTING_RULE_PRIORITY) .fromApp(appId) .add(); gatewayService .getGatewayDeviceIds() .forEach(deviceId -> flowObjectiveService.forward(deviceId, fo)); }
/** Unit tests for flow classifier REST APIs. */ public class FlowClassifierResourceTest extends VtnResourceTest { final FlowClassifierService flowClassifierService = createMock(FlowClassifierService.class); FlowClassifierId flowClassifierId1 = FlowClassifierId.of("4a334cd4-fe9c-4fae-af4b-321c5e2eb051"); TenantId tenantId1 = TenantId.tenantId("1814726e2d22407b8ca76db5e567dcf1"); VirtualPortId srcPortId1 = VirtualPortId.portId("dace4513-24fc-4fae-af4b-321c5e2eb3d1"); VirtualPortId dstPortId1 = VirtualPortId.portId("aef3478a-4a56-2a6e-cd3a-9dee4e2ec345"); final MockFlowClassifier flowClassifier1 = new MockFlowClassifier( flowClassifierId1, tenantId1, "flowClassifier1", "Mock flow classifier", "IPv4", "IP", 1001, 1500, 5001, 6000, IpPrefix.valueOf("1.1.1.1/16"), IpPrefix.valueOf("22.12.34.45/16"), srcPortId1, dstPortId1); /** Mock class for a flow classifier. */ private static class MockFlowClassifier implements FlowClassifier { private final FlowClassifierId flowClassifierId; private final TenantId tenantId; private final String name; private final String description; private final String etherType; private final String protocol; private final int minSrcPortRange; private final int maxSrcPortRange; private final int minDstPortRange; private final int maxDstPortRange; private final IpPrefix srcIpPrefix; private final IpPrefix dstIpPrefix; private final VirtualPortId srcPort; private final VirtualPortId dstPort; public MockFlowClassifier( FlowClassifierId flowClassifierId, TenantId tenantId, String name, String description, String etherType, String protocol, int minSrcPortRange, int maxSrcPortRange, int minDstPortRange, int maxDstPortRange, IpPrefix srcIpPrefix, IpPrefix dstIpPrefix, VirtualPortId srcPort, VirtualPortId dstPort) { this.flowClassifierId = flowClassifierId; this.tenantId = tenantId; this.name = name; this.description = description; this.etherType = etherType; this.protocol = protocol; this.minSrcPortRange = minSrcPortRange; this.maxSrcPortRange = maxSrcPortRange; this.minDstPortRange = minDstPortRange; this.maxDstPortRange = maxDstPortRange; this.srcIpPrefix = srcIpPrefix; this.dstIpPrefix = dstIpPrefix; this.srcPort = srcPort; this.dstPort = dstPort; } @Override public FlowClassifierId flowClassifierId() { return flowClassifierId; } @Override public TenantId tenantId() { return tenantId; } @Override public String name() { return name; } @Override public String description() { return description; } @Override public String etherType() { return etherType; } @Override public String protocol() { return protocol; } @Override public int minSrcPortRange() { return minSrcPortRange; } @Override public int maxSrcPortRange() { return maxSrcPortRange; } @Override public int minDstPortRange() { return minDstPortRange; } @Override public int maxDstPortRange() { return maxDstPortRange; } @Override public IpPrefix srcIpPrefix() { return srcIpPrefix; } @Override public IpPrefix dstIpPrefix() { return dstIpPrefix; } @Override public VirtualPortId srcPort() { return srcPort; } @Override public VirtualPortId dstPort() { return dstPort; } @Override public boolean exactMatch(FlowClassifier flowClassifier) { return this.equals(flowClassifier) && Objects.equals(this.flowClassifierId, flowClassifier.flowClassifierId()) && Objects.equals(this.tenantId, flowClassifier.tenantId()); } } /** Sets up the global values for all the tests. */ @Before public void setUpTest() { SfcCodecContext context = new SfcCodecContext(); ServiceDirectory testDirectory = new TestServiceDirectory() .add(FlowClassifierService.class, flowClassifierService) .add(CodecService.class, context.codecManager()); BaseResource.setServiceDirectory(testDirectory); } /** Cleans up. */ @After public void tearDownTest() {} /** Tests the result of the rest api GET when there are no flow classifiers. */ @Test public void testFlowClassifiersEmpty() { expect(flowClassifierService.getFlowClassifiers()).andReturn(null).anyTimes(); replay(flowClassifierService); final WebResource rs = resource(); final String response = rs.path("flow_classifiers").get(String.class); assertThat(response, is("{\"flow_classifiers\":[]}")); } /** Tests the result of a rest api GET for flow classifier id. */ @Test public void testGetFlowClassifierId() { final Set<FlowClassifier> flowClassifiers = new HashSet<>(); flowClassifiers.add(flowClassifier1); expect(flowClassifierService.exists(anyObject())).andReturn(true).anyTimes(); expect(flowClassifierService.getFlowClassifier(anyObject())) .andReturn(flowClassifier1) .anyTimes(); replay(flowClassifierService); final WebResource rs = resource(); final String response = rs.path("flow_classifiers/4a334cd4-fe9c-4fae-af4b-321c5e2eb051").get(String.class); final JsonObject result = JsonObject.readFrom(response); assertThat(result, notNullValue()); } /** Tests that a fetch of a non-existent flow classifier object throws an exception. */ @Test public void testBadGet() { expect(flowClassifierService.getFlowClassifier(anyObject())).andReturn(null).anyTimes(); replay(flowClassifierService); WebResource rs = resource(); try { rs.path("flow_classifiers/78dcd363-fc23-aeb6-f44b-56dc5aafb3ae").get(String.class); fail("Fetch of non-existent flow classifier did not throw an exception"); } catch (UniformInterfaceException ex) { assertThat(ex.getMessage(), containsString("returned a response status of")); } } /** Tests creating a flow classifier with POST. */ @Test public void testPost() { expect(flowClassifierService.createFlowClassifier(anyObject())).andReturn(true).anyTimes(); replay(flowClassifierService); WebResource rs = resource(); InputStream jsonStream = FlowClassifierResourceTest.class.getResourceAsStream("post-FlowClassifier.json"); ClientResponse response = rs.path("flow_classifiers") .type(MediaType.APPLICATION_JSON_TYPE) .post(ClientResponse.class, jsonStream); assertThat(response.getStatus(), is(HttpURLConnection.HTTP_OK)); } /** Tests deleting a flow classifier. */ @Test public void testDelete() { expect(flowClassifierService.removeFlowClassifier(anyObject())).andReturn(true).anyTimes(); replay(flowClassifierService); WebResource rs = resource(); String location = "flow_classifiers/4a334cd4-fe9c-4fae-af4b-321c5e2eb051"; ClientResponse deleteResponse = rs.path(location).type(MediaType.APPLICATION_JSON_TYPE).delete(ClientResponse.class); assertThat(deleteResponse.getStatus(), is(HttpURLConnection.HTTP_NO_CONTENT)); } }
/** * Sets up logical interfaces, which emulate the configured interfaces in SDN-IP application. * * @return configured interfaces as a map from interface name to Interface */ private Map<String, Interface> setUpInterfaces() { Map<String, Interface> configuredInterfaces = new HashMap<>(); String interfaceSw1Eth1 = "s1-eth1"; InterfaceIpAddress ia1 = new InterfaceIpAddress( IpAddress.valueOf("192.168.10.101"), IpPrefix.valueOf("192.168.10.0/24")); Interface intfsw1eth1 = new Interface( interfaceSw1Eth1, s1Eth1, Collections.singletonList(ia1), MacAddress.valueOf("00:00:00:00:00:01"), VlanId.NONE); configuredInterfaces.put(interfaceSw1Eth1, intfsw1eth1); String interfaceSw2Eth1 = "s2-eth1"; InterfaceIpAddress ia2 = new InterfaceIpAddress( IpAddress.valueOf("192.168.20.101"), IpPrefix.valueOf("192.168.20.0/24")); Interface intfsw2eth1 = new Interface( interfaceSw2Eth1, s2Eth1, Collections.singletonList(ia2), MacAddress.valueOf("00:00:00:00:00:02"), VlanId.NONE); configuredInterfaces.put(interfaceSw2Eth1, intfsw2eth1); String interfaceSw2Eth1intf2 = "s2-eth1_2"; InterfaceIpAddress ia3 = new InterfaceIpAddress( IpAddress.valueOf("192.168.30.101"), IpPrefix.valueOf("192.168.30.0/24")); Interface intfsw2eth1intf2 = new Interface( interfaceSw2Eth1intf2, s2Eth1, Collections.singletonList(ia3), MacAddress.valueOf("00:00:00:00:00:03"), VlanId.NONE); configuredInterfaces.put(interfaceSw2Eth1intf2, intfsw2eth1intf2); String interfaceSw3Eth1 = "s3-eth1"; InterfaceIpAddress ia4 = new InterfaceIpAddress( IpAddress.valueOf("192.168.40.101"), IpPrefix.valueOf("192.168.40.0/24")); Interface intfsw3eth1 = new Interface( Interface.NO_INTERFACE_NAME, s3Eth1, ImmutableList.of(ia4), MacAddress.valueOf("00:00:00:00:00:04"), VLAN10); configuredInterfaces.put(interfaceSw3Eth1, intfsw3eth1); String interfaceSw3Eth1intf2 = "s3-eth1_2"; InterfaceIpAddress ia5 = new InterfaceIpAddress( IpAddress.valueOf("192.168.50.101"), IpPrefix.valueOf("192.168.50.0/24")); Interface intfsw3eth1intf2 = new Interface( Interface.NO_INTERFACE_NAME, s3Eth1, ImmutableList.of(ia5), MacAddress.valueOf("00:00:00:00:00:05"), VLAN20); configuredInterfaces.put(interfaceSw3Eth1intf2, intfsw3eth1intf2); expect(interfaceService.getInterfacesByPort(s1Eth1)) .andReturn(Collections.singleton(intfsw1eth1)) .anyTimes(); expect(interfaceService.getInterfacesByIp(IpAddress.valueOf("192.168.10.101"))) .andReturn(Collections.singleton(intfsw1eth1)) .anyTimes(); expect(interfaceService.getMatchingInterface(IpAddress.valueOf("192.168.10.1"))) .andReturn(intfsw1eth1) .anyTimes(); expect(interfaceService.getInterfacesByPort(s2Eth1)) .andReturn(Collections.singleton(intfsw2eth1)) .anyTimes(); expect(interfaceService.getInterfacesByIp(IpAddress.valueOf("192.168.20.101"))) .andReturn(Collections.singleton(intfsw2eth1)) .anyTimes(); expect(interfaceService.getMatchingInterface(IpAddress.valueOf("192.168.20.1"))) .andReturn(intfsw2eth1) .anyTimes(); expect(interfaceService.getInterfacesByIp(IpAddress.valueOf("192.168.30.101"))) .andReturn(Collections.singleton(intfsw2eth1intf2)) .anyTimes(); expect(interfaceService.getMatchingInterface(IpAddress.valueOf("192.168.30.1"))) .andReturn(intfsw2eth1intf2) .anyTimes(); expect(interfaceService.getInterfacesByIp(IpAddress.valueOf("192.168.40.101"))) .andReturn(Collections.singleton(intfsw3eth1)) .anyTimes(); expect(interfaceService.getMatchingInterface(IpAddress.valueOf("192.168.40.1"))) .andReturn(intfsw3eth1) .anyTimes(); expect(interfaceService.getInterfacesByIp(IpAddress.valueOf("192.168.50.101"))) .andReturn(Collections.singleton(intfsw3eth1intf2)) .anyTimes(); expect(interfaceService.getMatchingInterface(IpAddress.valueOf("192.168.50.1"))) .andReturn(intfsw3eth1intf2) .anyTimes(); // Non-existent interface used during one of the tests expect( interfaceService.getInterfacesByPort( new ConnectPoint( DeviceId.deviceId("of:0000000000000100"), PortNumber.portNumber(1)))) .andReturn(null) .anyTimes(); expect(interfaceService.getInterfaces()) .andReturn(Sets.newHashSet(configuredInterfaces.values())) .anyTimes(); return configuredInterfaces; }