| /* |
| * Copyright 2017-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.routing.cpr; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onlab.packet.EthType; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.Ip6Address; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onlab.util.Tools; |
| import org.onosproject.app.ApplicationService; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.incubator.net.intf.InterfaceService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.DefaultNextObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.host.InterfaceIpAddress; |
| import org.onosproject.routing.InterfaceProvisionRequest; |
| import org.onosproject.routing.Router; |
| import org.onosproject.routing.RouterInfo; |
| import org.onosproject.routing.RoutingService; |
| import org.onosproject.routing.config.RoutingConfiguration; |
| import org.onosproject.routing.config.RoutersConfig; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| |
| import java.util.Dictionary; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import static org.onlab.packet.Ethernet.TYPE_ARP; |
| import static org.onlab.packet.Ethernet.TYPE_IPV4; |
| import static org.onlab.packet.Ethernet.TYPE_IPV6; |
| import static org.onlab.packet.ICMP6.NEIGHBOR_ADVERTISEMENT; |
| import static org.onlab.packet.ICMP6.NEIGHBOR_SOLICITATION; |
| import static org.onlab.packet.IPv6.PROTOCOL_ICMP6; |
| import static org.onlab.packet.IPv6.getLinkLocalAddress; |
| import static org.onlab.packet.IPv6.getSolicitNodeAddress; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Manages connectivity between peers redirecting control traffic to a routing |
| * control plane available on the dataplane. |
| */ |
| @Component(immediate = true) |
| public class ControlPlaneRedirectManager { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| public static final short ASSIGNED_VLAN = 4094; |
| |
| private static final int MIN_IP_PRIORITY = 10; |
| private static final int IPV4_PRIORITY = 2000; |
| private static final int IPV6_PRIORITY = 500; |
| static final int ACL_PRIORITY = 40001; |
| private static final int OSPF_IP_PROTO = 0x59; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected InterfaceService interfaceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowObjectiveService flowObjectiveService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry networkConfigService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ApplicationService applicationService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService cfgService; |
| |
| @Property(name = "forceUnprovision", boolValue = false, |
| label = "Force unprovision when the device goes offline") |
| private boolean forceUnprovision = false; |
| |
| private static final String APP_NAME = "org.onosproject.cpr"; |
| private ApplicationId appId; |
| |
| private Map<Host, Set<Integer>> peerNextId = Maps.newConcurrentMap(); |
| |
| private Map<DeviceId, Router> routers = new ConcurrentHashMap<>(); |
| |
| private final InternalNetworkConfigListener networkConfigListener = |
| new InternalNetworkConfigListener(); |
| |
| @Activate |
| protected void activate(ComponentContext context) { |
| this.appId = coreService.registerApplication(APP_NAME); |
| |
| cfgService.registerProperties(getClass()); |
| modified(context); |
| |
| RoutingConfiguration.register(networkConfigService); |
| |
| networkConfigService.addListener(networkConfigListener); |
| |
| processRouterConfig(); |
| |
| applicationService.registerDeactivateHook(this.appId, |
| () -> routers.forEach((d, r) -> r.cleanup())); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| cfgService.unregisterProperties(getClass(), false); |
| networkConfigService.removeListener(networkConfigListener); |
| RoutingConfiguration.unregister(networkConfigService); |
| } |
| |
| @Modified |
| protected void modified(ComponentContext context) { |
| if (context != null) { |
| readComponentConfiguration(context); |
| processRouterConfig(); |
| } |
| } |
| |
| private void readComponentConfiguration(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| Boolean flag; |
| |
| flag = Tools.isPropertyEnabled(properties, "forceUnprovision"); |
| if (flag == null) { |
| log.info("ForceUnprovision is not configured, " + |
| "using current value of {}", forceUnprovision); |
| } else { |
| forceUnprovision = flag; |
| log.info("Configured. ForceUnprovision is {}", |
| forceUnprovision ? "enabled" : "disabled"); |
| } |
| } |
| |
| /** |
| * Sets up the router interfaces if router config is available. |
| */ |
| private void processRouterConfig() { |
| ApplicationId routingAppId = |
| coreService.registerApplication(RoutingService.ROUTER_APP_ID); |
| |
| Set<RoutersConfig.Router> routerConfigs = |
| RoutingConfiguration.getRouterConfigurations(networkConfigService, routingAppId); |
| |
| for (RoutersConfig.Router router : routerConfigs) { |
| DeviceId deviceId = router.controlPlaneConnectPoint().deviceId(); |
| |
| routers.compute(deviceId, (d, r) -> { |
| if (r == null) { |
| return createRouter(RouterInfo.from(router)); |
| } else { |
| r.changeConfiguration(RouterInfo.from(router), forceUnprovision); |
| return r; |
| } |
| }); |
| } |
| |
| for (DeviceId deviceId : routers.keySet()) { |
| if (!configExists(deviceId, routerConfigs)) { |
| Router router = routers.remove(deviceId); |
| router.cleanup(); |
| } |
| } |
| } |
| |
| private boolean configExists(DeviceId deviceId, Set<RoutersConfig.Router> config) { |
| return config.stream() |
| .anyMatch(r -> r.controlPlaneConnectPoint().deviceId().equals(deviceId)); |
| } |
| |
| private Router createRouter(RouterInfo info) { |
| return new Router(info, |
| interfaceService, |
| deviceService, |
| this::provisionInterface, |
| this::unprovisionInterface, |
| forceUnprovision); |
| } |
| |
| private void provisionInterface(InterfaceProvisionRequest intf) { |
| updateInterfaceObjectives(intf, true); |
| } |
| |
| private void unprovisionInterface(InterfaceProvisionRequest intf) { |
| updateInterfaceObjectives(intf, false); |
| } |
| |
| /** |
| * Installs or removes flow objectives relating to a give interface. |
| * |
| * @param intf interface to change objectives for |
| * @param install true to install the objectives, false to remove them |
| */ |
| private void updateInterfaceObjectives(InterfaceProvisionRequest intf, boolean install) { |
| updateInterfaceForwarding(intf, install); |
| updateOspfForwarding(intf, install); |
| } |
| |
| /** |
| * Installs or removes the basic forwarding flows for each interface. |
| * |
| * @param request provisioning request containing router and interface |
| * @param install true to install the objectives, false to remove them |
| */ |
| private void updateInterfaceForwarding(InterfaceProvisionRequest request, boolean install) { |
| Interface intf = request.intf(); |
| log.debug("{} interface objectives for {}", operation(install), intf); |
| |
| DeviceId deviceId = intf.connectPoint().deviceId(); |
| |
| PortNumber controlPlanePort = request.controlPlaneConnectPoint().port(); |
| for (InterfaceIpAddress ip : intf.ipAddressesList()) { |
| // create nextObjectives for forwarding to this interface and the |
| // controlPlaneConnectPoint |
| int cpNextId, intfNextId; |
| if (intf.vlan() == VlanId.NONE) { |
| cpNextId = modifyNextObjective(deviceId, controlPlanePort, |
| VlanId.vlanId(ASSIGNED_VLAN), |
| true, install); |
| intfNextId = modifyNextObjective(deviceId, intf.connectPoint().port(), |
| VlanId.vlanId(ASSIGNED_VLAN), |
| true, install); |
| } else { |
| cpNextId = modifyNextObjective(deviceId, controlPlanePort, |
| intf.vlan(), false, install); |
| intfNextId = modifyNextObjective(deviceId, intf.connectPoint().port(), |
| intf.vlan(), false, install); |
| } |
| List<ForwardingObjective> fwdToSend = Lists.newArrayList(); |
| TrafficSelector selector; |
| // IP traffic toward the router. |
| selector = buildIPDstSelector( |
| ip.ipAddress().toIpPrefix(), |
| intf.connectPoint().port(), |
| null, |
| intf.mac(), |
| intf.vlan() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, null, cpNextId, install, ACL_PRIORITY)); |
| // IP traffic from the router. |
| selector = buildIPSrcSelector( |
| ip.ipAddress().toIpPrefix(), |
| controlPlanePort, |
| intf.mac(), |
| null, |
| intf.vlan() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, null, intfNextId, install, ACL_PRIORITY)); |
| // We build the punt treatment. |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .punt() |
| .build(); |
| // Handling of neighbour discovery protocols. |
| // IPv4 traffic - we have to deal with the ARP protocol. |
| // IPv6 traffic - we have to deal with the NDP protocol. |
| if (ip.ipAddress().isIp4()) { |
| // ARP traffic towards the router. |
| selector = buildArpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // ARP traffic from the router. |
| selector = buildArpSelector( |
| controlPlanePort, |
| intf.vlan(), |
| ip.ipAddress().getIp4Address(), |
| intf.mac() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, intfNextId, install, ACL_PRIORITY + 1)); |
| } else { |
| // Neighbour solicitation traffic towards the router. |
| // This flow is for the global unicast address. |
| selector = buildNdpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| ip.ipAddress().toIpPrefix(), |
| NEIGHBOR_SOLICITATION, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour solicitation traffic towards the router. |
| // This flow is for the link local address. |
| selector = buildNdpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| Ip6Address.valueOf(getLinkLocalAddress(intf.mac().toBytes())).toIpPrefix(), |
| NEIGHBOR_SOLICITATION, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour solicitation traffic towards the router. |
| // This flow is for the solicitation node address of |
| // the global unicast address. |
| selector = buildNdpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| Ip6Address.valueOf(getSolicitNodeAddress(ip.ipAddress().toOctets())).toIpPrefix(), |
| NEIGHBOR_SOLICITATION, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour solicitation traffic towards the router. |
| // This flow is for the solicitation node address of |
| // the link local address. |
| selector = buildNdpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| Ip6Address.valueOf( |
| getSolicitNodeAddress(getLinkLocalAddress(intf.mac().toBytes())) |
| ).toIpPrefix(), |
| NEIGHBOR_SOLICITATION, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour solicitation traffic from the router. |
| // This flow is for the global unicast address. |
| selector = buildNdpSelector( |
| controlPlanePort, |
| intf.vlan(), |
| ip.ipAddress().toIpPrefix(), |
| null, |
| NEIGHBOR_SOLICITATION, |
| intf.mac() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, intfNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour solicitation traffic from the router. |
| // This flow is for the link local address. |
| selector = buildNdpSelector( |
| controlPlanePort, |
| intf.vlan(), |
| Ip6Address.valueOf(getLinkLocalAddress(intf.mac().toBytes())).toIpPrefix(), |
| null, |
| NEIGHBOR_SOLICITATION, |
| intf.mac() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, intfNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour advertisement traffic towards the router. |
| // This flow is for the global unicast address |
| selector = buildNdpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| ip.ipAddress().toIpPrefix(), |
| NEIGHBOR_ADVERTISEMENT, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour advertisement traffic towards the router. |
| // This flow is for the link local address |
| selector = buildNdpSelector( |
| intf.connectPoint().port(), |
| intf.vlan(), |
| null, |
| Ip6Address.valueOf(getLinkLocalAddress(intf.mac().toBytes())).toIpPrefix(), |
| NEIGHBOR_ADVERTISEMENT, |
| null |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour advertisement traffic from the router. |
| // This flow is for the global unicast address |
| selector = buildNdpSelector( |
| controlPlanePort, |
| intf.vlan(), |
| ip.ipAddress().toIpPrefix(), |
| null, |
| NEIGHBOR_ADVERTISEMENT, |
| intf.mac() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, intfNextId, install, ACL_PRIORITY + 1)); |
| // Neighbour advertisement traffic from the router. |
| // This flow is for the link local address |
| selector = buildNdpSelector( |
| controlPlanePort, |
| intf.vlan(), |
| Ip6Address.valueOf(getLinkLocalAddress(intf.mac().toBytes())).toIpPrefix(), |
| null, |
| NEIGHBOR_ADVERTISEMENT, |
| intf.mac() |
| ); |
| fwdToSend.add(buildForwardingObjective(selector, treatment, intfNextId, install, ACL_PRIORITY + 1)); |
| } |
| // Finally we push the fwd objectives through the flow objective service. |
| fwdToSend.stream().forEach(forwardingObjective -> |
| flowObjectiveService.forward(deviceId, forwardingObjective) |
| ); |
| } |
| } |
| |
| /** |
| * Installs or removes OSPF forwarding rules. |
| * |
| * @param request provisioning request containing router and interface |
| * @param install true to create an add objective, false to create a remove |
| * objective |
| */ |
| private void updateOspfForwarding(InterfaceProvisionRequest request, boolean install) { |
| // TODO IPv6 support has not been implemented yet |
| Interface intf = request.intf(); |
| log.debug("{} OSPF flows for {}", operation(install), intf); |
| |
| // OSPF to router |
| TrafficSelector toSelector = DefaultTrafficSelector.builder() |
| .matchInPort(intf.connectPoint().port()) |
| .matchEthType(EthType.EtherType.IPV4.ethType().toShort()) |
| .matchVlanId(intf.vlan()) |
| .matchIPProtocol((byte) OSPF_IP_PROTO) |
| .build(); |
| |
| // create nextObjectives for forwarding to the controlPlaneConnectPoint |
| DeviceId deviceId = intf.connectPoint().deviceId(); |
| PortNumber controlPlanePort = request.controlPlaneConnectPoint().port(); |
| int cpNextId; |
| if (intf.vlan() == VlanId.NONE) { |
| cpNextId = modifyNextObjective(deviceId, controlPlanePort, |
| VlanId.vlanId(ASSIGNED_VLAN), |
| true, install); |
| } else { |
| cpNextId = modifyNextObjective(deviceId, controlPlanePort, |
| intf.vlan(), false, install); |
| } |
| flowObjectiveService.forward(intf.connectPoint().deviceId(), |
| buildForwardingObjective(toSelector, null, cpNextId, |
| install ? request.info().ospfEnabled() : install, ACL_PRIORITY)); |
| } |
| |
| /** |
| * Creates a next objective for forwarding to a port. Handles metadata for |
| * some pipelines that require vlan information for egress port. |
| * |
| * @param deviceId the device on which the next objective is being created |
| * @param portNumber the egress port |
| * @param vlanId vlan information for egress port |
| * @param popVlan if vlan tag should be popped or not |
| * @param install true to create an add next objective, false to create a remove |
| * next objective |
| * @return nextId of the next objective created |
| */ |
| private int modifyNextObjective(DeviceId deviceId, PortNumber portNumber, |
| VlanId vlanId, boolean popVlan, boolean install) { |
| int nextId = flowObjectiveService.allocateNextId(); |
| NextObjective.Builder nextObjBuilder = DefaultNextObjective |
| .builder().withId(nextId) |
| .withType(NextObjective.Type.SIMPLE) |
| .fromApp(appId); |
| |
| TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder(); |
| if (popVlan) { |
| ttBuilder.popVlan(); |
| } |
| ttBuilder.setOutput(portNumber); |
| |
| // setup metadata to pass to nextObjective - indicate the vlan on egress |
| // if needed by the switch pipeline. |
| TrafficSelector.Builder metabuilder = DefaultTrafficSelector.builder(); |
| metabuilder.matchVlanId(vlanId); |
| |
| nextObjBuilder.withMeta(metabuilder.build()); |
| nextObjBuilder.addTreatment(ttBuilder.build()); |
| log.debug("Submitted next objective {} in device {} for port/vlan {}/{}", |
| nextId, deviceId, portNumber, vlanId); |
| if (install) { |
| flowObjectiveService.next(deviceId, nextObjBuilder.add()); |
| } else { |
| flowObjectiveService.next(deviceId, nextObjBuilder.remove()); |
| } |
| return nextId; |
| } |
| |
| /** |
| * Builds a forwarding objective from the given selector, treatment and nextId. |
| * |
| * @param selector selector |
| * @param treatment treatment to apply to packet, can be null |
| * @param nextId next objective to point to for forwarding packet |
| * @param add true to create an add objective, false to create a remove |
| * objective |
| * @return forwarding objective |
| */ |
| private ForwardingObjective buildForwardingObjective(TrafficSelector selector, |
| TrafficTreatment treatment, |
| int nextId, |
| boolean add, |
| int priority) { |
| DefaultForwardingObjective.Builder fobBuilder = DefaultForwardingObjective.builder(); |
| fobBuilder.withSelector(selector); |
| if (treatment != null) { |
| fobBuilder.withTreatment(treatment); |
| } |
| if (nextId != -1) { |
| fobBuilder.nextStep(nextId); |
| } |
| fobBuilder.fromApp(appId) |
| .withPriority(priority) |
| .withFlag(ForwardingObjective.Flag.VERSATILE); |
| |
| return add ? fobBuilder.add() : fobBuilder.remove(); |
| } |
| |
| static TrafficSelector.Builder buildBaseSelectorBuilder(PortNumber inPort, |
| MacAddress srcMac, |
| MacAddress dstMac, |
| VlanId vlanId) { |
| TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder(); |
| if (inPort != null) { |
| selectorBuilder.matchInPort(inPort); |
| } |
| if (srcMac != null) { |
| selectorBuilder.matchEthSrc(srcMac); |
| } |
| if (dstMac != null) { |
| selectorBuilder.matchEthDst(dstMac); |
| } |
| if (vlanId != null) { |
| selectorBuilder.matchVlanId(vlanId); |
| } |
| return selectorBuilder; |
| } |
| |
| static TrafficSelector buildIPDstSelector(IpPrefix dstIp, |
| PortNumber inPort, |
| MacAddress srcMac, |
| MacAddress dstMac, |
| VlanId vlanId) { |
| TrafficSelector.Builder selector = buildBaseSelectorBuilder(inPort, srcMac, dstMac, vlanId); |
| if (dstIp.isIp4()) { |
| selector.matchEthType(TYPE_IPV4); |
| selector.matchIPDst(dstIp); |
| } else { |
| selector.matchEthType(TYPE_IPV6); |
| selector.matchIPv6Dst(dstIp); |
| } |
| return selector.build(); |
| } |
| |
| static TrafficSelector buildIPSrcSelector(IpPrefix srcIp, |
| PortNumber inPort, |
| MacAddress srcMac, |
| MacAddress dstMac, |
| VlanId vlanId) { |
| TrafficSelector.Builder selector = buildBaseSelectorBuilder(inPort, srcMac, dstMac, vlanId); |
| if (srcIp.isIp4()) { |
| selector.matchEthType(TYPE_IPV4); |
| selector.matchIPSrc(srcIp); |
| } else { |
| selector.matchEthType(TYPE_IPV6); |
| selector.matchIPv6Src(srcIp); |
| } |
| return selector.build(); |
| } |
| |
| static TrafficSelector buildArpSelector(PortNumber inPort, |
| VlanId vlanId, |
| Ip4Address arpSpa, |
| MacAddress srcMac) { |
| TrafficSelector.Builder selector = buildBaseSelectorBuilder(inPort, null, null, vlanId); |
| selector.matchEthType(TYPE_ARP); |
| if (arpSpa != null) { |
| selector.matchArpSpa(arpSpa); |
| } |
| if (srcMac != null) { |
| selector.matchEthSrc(srcMac); |
| } |
| return selector.build(); |
| } |
| |
| static TrafficSelector buildNdpSelector(PortNumber inPort, |
| VlanId vlanId, |
| IpPrefix srcIp, |
| IpPrefix dstIp, |
| byte subProto, |
| MacAddress srcMac) { |
| TrafficSelector.Builder selector = buildBaseSelectorBuilder(inPort, null, null, vlanId); |
| selector.matchEthType(TYPE_IPV6) |
| .matchIPProtocol(PROTOCOL_ICMP6) |
| .matchIcmpv6Type(subProto); |
| if (srcIp != null) { |
| selector.matchIPv6Src(srcIp); |
| } |
| if (dstIp != null) { |
| selector.matchIPv6Dst(dstIp); |
| } |
| if (srcMac != null) { |
| selector.matchEthSrc(srcMac); |
| } |
| return selector.build(); |
| } |
| |
| private String operation(boolean install) { |
| return install ? "Installing" : "Removing"; |
| } |
| |
| /** |
| * Listener for network config events. |
| */ |
| private class InternalNetworkConfigListener implements NetworkConfigListener { |
| @Override |
| public void event(NetworkConfigEvent event) { |
| if (event.configClass().equals(RoutingService.ROUTER_CONFIG_CLASS) || |
| event.configClass().equals(RoutersConfig.class)) { |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| case CONFIG_REMOVED: |
| processRouterConfig(); |
| break; |
| case CONFIG_REGISTERED: |
| case CONFIG_UNREGISTERED: |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |
| } |
| |