Make vRouter components into separate apps.
This allows us to leverage the ONOS app subsystem for selecting which
components to load.
CORD-710
Change-Id: Ibd7c4c1afd2caa137b44c085e7b6b5b4a1082521
diff --git a/apps/routing/cpr/BUCK b/apps/routing/cpr/BUCK
new file mode 100644
index 0000000..89a499d
--- /dev/null
+++ b/apps/routing/cpr/BUCK
@@ -0,0 +1,30 @@
+COMPILE_DEPS = [
+ '//lib:CORE_DEPS',
+ '//incubator/api:onos-incubator-api',
+ '//apps/routing-api:onos-apps-routing-api',
+]
+
+TEST_DEPS = [
+ '//lib:TEST_ADAPTERS',
+ '//incubator/api:onos-incubator-api-tests',
+ '//apps/routing-api:onos-apps-routing-api-tests',
+]
+
+osgi_jar_with_tests (
+ deps = COMPILE_DEPS,
+ test_deps = TEST_DEPS,
+)
+
+BUNDLES = [
+ '//apps/routing/cpr:onos-apps-routing-cpr',
+ '//apps/routing-api:onos-apps-routing-api',
+]
+
+onos_app (
+ app_name = 'org.onosproject.cpr',
+ title = 'Control plane redirect',
+ category = 'Traffic Steering',
+ url = 'http://onosproject.org',
+ description = 'Redirects routing control traffic to a control plane',
+ included_bundles = BUNDLES,
+)
diff --git a/apps/routing/cpr/pom.xml b/apps/routing/cpr/pom.xml
new file mode 100644
index 0000000..cbc03df
--- /dev/null
+++ b/apps/routing/cpr/pom.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2017-present Open Networking Laboratory
+ ~
+ ~ Licensed under the Apache License, Version 2.0 (the "License");
+ ~ you may not use this file except in compliance with the License.
+ ~ You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing, software
+ ~ distributed under the License is distributed on an "AS IS" BASIS,
+ ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ~ See the License for the specific language governing permissions and
+ ~ limitations under the License.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>onos-app-routing-parent</artifactId>
+ <groupId>org.onosproject</groupId>
+ <version>1.9.0-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>onos-apps-routing-cpr</artifactId>
+ <packaging>bundle</packaging>
+
+
+</project>
diff --git a/apps/routing/cpr/src/main/java/org/onosproject/routing/cpr/ControlPlaneRedirectManager.java b/apps/routing/cpr/src/main/java/org/onosproject/routing/cpr/ControlPlaneRedirectManager.java
new file mode 100644
index 0000000..e1d2d39
--- /dev/null
+++ b/apps/routing/cpr/src/main/java/org/onosproject/routing/cpr/ControlPlaneRedirectManager.java
@@ -0,0 +1,724 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.routing.cpr;
+
+import com.google.common.collect.ImmutableSortedSet;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+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.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onlab.packet.EthType;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.app.ApplicationService;
+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.ConnectPoint;
+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.NetworkConfigService;
+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.HostEvent;
+import org.onosproject.net.host.HostListener;
+import org.onosproject.net.host.HostService;
+import org.onosproject.net.host.InterfaceIpAddress;
+import org.onosproject.routing.AsyncDeviceFetcher;
+import org.onosproject.routing.RouterInterfaceManager;
+import org.onosproject.routing.RoutingService;
+import org.onosproject.routing.config.RouterConfig;
+import org.slf4j.Logger;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkState;
+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.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 NetworkConfigService 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;
+
+ private static final String APP_NAME = "org.onosproject.vrouter";
+ private ApplicationId appId;
+
+ private ConnectPoint controlPlaneConnectPoint;
+ private boolean ospfEnabled = false;
+ private Map<Host, Set<Integer>> peerNextId = Maps.newConcurrentMap();
+
+ private RouterInterfaceManager interfaceManager;
+ private AsyncDeviceFetcher asyncDeviceFetcher;
+
+ private final InternalNetworkConfigListener networkConfigListener =
+ new InternalNetworkConfigListener();
+ private final InternalHostListener hostListener = new InternalHostListener();
+
+ @Activate
+ public void activate() {
+ this.appId = coreService.registerApplication(APP_NAME);
+
+ networkConfigService.addListener(networkConfigListener);
+ hostService.addListener(hostListener);
+
+ asyncDeviceFetcher = AsyncDeviceFetcher.create(deviceService);
+
+ processRouterConfig();
+
+
+ // FIXME There can be an issue when this component is deactivated before vRouter
+ applicationService.registerDeactivateHook(this.appId, () -> {
+ if (interfaceManager != null) {
+ interfaceManager.cleanup();
+ }
+ });
+ }
+
+ @Deactivate
+ public void deactivate() {
+ networkConfigService.removeListener(networkConfigListener);
+ hostService.removeListener(hostListener);
+ asyncDeviceFetcher.shutdown();
+ }
+
+ /**
+ * Sets up the router interfaces if router config is available.
+ */
+ private void processRouterConfig() {
+ ApplicationId routingAppId =
+ coreService.registerApplication(RoutingService.ROUTER_APP_ID);
+
+ RouterConfig config = networkConfigService.getConfig(
+ routingAppId, RoutingService.ROUTER_CONFIG_CLASS);
+
+ if (config == null) {
+ log.warn("Router config not available");
+ return;
+ }
+
+ if (interfaceManager == null) {
+ controlPlaneConnectPoint = config.getControlPlaneConnectPoint();
+ ospfEnabled = config.getOspfEnabled();
+
+ DeviceId deviceId = config.getControlPlaneConnectPoint().deviceId();
+
+ asyncDeviceFetcher.getDevice(deviceId)
+ .thenAccept(deviceId1 ->
+ interfaceManager = createRouter(deviceId,
+ Sets.newHashSet(config.getInterfaces())));
+
+ } else {
+ interfaceManager.changeConfiguredInterfaces(Sets.newHashSet(config.getInterfaces()));
+ }
+ }
+
+ /**
+ * Cleans up after router config was removed.
+ */
+ private void removeRouterConfig() {
+ if (interfaceManager != null) {
+ interfaceManager.cleanup();
+ }
+ }
+
+ private RouterInterfaceManager createRouter(DeviceId deviceId, Set<String> configuredInterfaces) {
+ return new RouterInterfaceManager(deviceId,
+ configuredInterfaces,
+ interfaceService,
+ this::provisionInterface,
+ this::unprovisionInterface);
+ }
+
+ private void provisionInterface(Interface intf) {
+ updateInterfaceObjectives(intf, true);
+ }
+
+ private void unprovisionInterface(Interface 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(Interface intf, boolean install) {
+ updateInterfaceForwarding(intf, install);
+ updateOspfForwarding(intf, install);
+ }
+
+ /**
+ * Installs or removes the basic forwarding flows for each interface.
+ *
+ * @param intf the Interface on which event is received
+ * @param install true to install the objectives, false to remove them
+ */
+ private void updateInterfaceForwarding(Interface intf, boolean install) {
+ log.debug("{} interface objectives for {}", operation(install), intf);
+
+ DeviceId deviceId = intf.connectPoint().deviceId();
+ PortNumber controlPlanePort = controlPlaneConnectPoint.port();
+ for (InterfaceIpAddress ip : intf.ipAddresses()) {
+ // 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.
+ selector = buildNdpSelector(
+ intf.connectPoint().port(),
+ intf.vlan(),
+ null,
+ NEIGHBOR_SOLICITATION,
+ null
+ );
+ fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1));
+ // Neighbour solicitation traffic from the router.
+ selector = buildNdpSelector(
+ controlPlanePort,
+ intf.vlan(),
+ ip.ipAddress().toIpPrefix(),
+ NEIGHBOR_SOLICITATION,
+ intf.mac()
+ );
+ fwdToSend.add(buildForwardingObjective(selector, treatment, intfNextId, install, ACL_PRIORITY + 1));
+ // Neighbour advertisement traffic towards the router.
+ selector = buildNdpSelector(
+ intf.connectPoint().port(),
+ intf.vlan(),
+ null,
+ NEIGHBOR_ADVERTISEMENT,
+ null
+ );
+ fwdToSend.add(buildForwardingObjective(selector, treatment, cpNextId, install, ACL_PRIORITY + 1));
+ // Neighbour advertisement traffic from the router.
+ selector = buildNdpSelector(
+ controlPlanePort,
+ intf.vlan(),
+ ip.ipAddress().toIpPrefix(),
+ 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 intf the interface on which event is received
+ * @param install true to create an add objective, false to create a remove
+ * objective
+ */
+ private void updateOspfForwarding(Interface intf, boolean install) {
+ // TODO IPv6 support has not been implemented yet
+
+ 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 = intf.connectPoint().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 ? 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,
+ 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 (srcMac != null) {
+ selector.matchEthSrc(srcMac);
+ }
+ return selector.build();
+ }
+
+ private int getPriorityFromPrefix(IpPrefix prefix) {
+ return (prefix.isIp4()) ?
+ IPV4_PRIORITY * prefix.prefixLength() + MIN_IP_PRIORITY :
+ IPV6_PRIORITY * prefix.prefixLength() + MIN_IP_PRIORITY;
+ }
+
+ 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)) {
+ switch (event.type()) {
+ case CONFIG_ADDED:
+ case CONFIG_UPDATED:
+ processRouterConfig();
+ break;
+ case CONFIG_REGISTERED:
+ break;
+ case CONFIG_UNREGISTERED:
+ break;
+ case CONFIG_REMOVED:
+ removeRouterConfig();
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+ /**
+ * Listener for host events.
+ */
+ private class InternalHostListener implements HostListener {
+
+ private Optional<Interface> getPeerInterface(Host peer) {
+ return interfaceService.getInterfacesByPort(peer.location()).stream()
+ .filter(intf -> interfaceManager.configuredInterfaces().isEmpty()
+ || interfaceManager.configuredInterfaces().contains(intf.name()))
+ .filter(intf -> peer.vlan().equals(intf.vlan()))
+ .findFirst();
+ }
+
+ private void peerAdded(HostEvent event) {
+ Host peer = event.subject();
+ if (interfaceManager == null) {
+ return;
+ }
+
+ Optional<Interface> peerIntf = getPeerInterface(peer);
+ if (!peerIntf.isPresent()) {
+ log.debug("Adding peer {}/{} on {} but the interface is not configured",
+ peer.mac(), peer.vlan(), peer.location());
+ return;
+ }
+
+ // Generate L3 Unicast groups and store it in the map
+ int toRouterL3Unicast = createPeerGroup(peer.mac(), peerIntf.get().mac(),
+ peer.vlan(), peer.location().deviceId(), peerIntf.get().connectPoint().port());
+ int toPeerL3Unicast = createPeerGroup(peerIntf.get().mac(), peer.mac(),
+ peer.vlan(), peer.location().deviceId(), peer.location().port());
+ peerNextId.put(peer, ImmutableSortedSet.of(toRouterL3Unicast, toPeerL3Unicast));
+
+ // From peer to router
+ peerIntf.get().ipAddresses().forEach(routerIp -> {
+ flowObjectiveService.forward(peer.location().deviceId(),
+ createPeerObjBuilder(toRouterL3Unicast, routerIp.ipAddress().toIpPrefix()).add());
+ });
+
+ // From router to peer
+ peer.ipAddresses().forEach(peerIp -> {
+ flowObjectiveService.forward(peer.location().deviceId(),
+ createPeerObjBuilder(toPeerL3Unicast, peerIp.toIpPrefix()).add());
+ });
+ }
+
+ private void peerRemoved(HostEvent event) {
+ Host peer = event.subject();
+ Optional<Interface> peerIntf = getPeerInterface(peer);
+ if (!peerIntf.isPresent()) {
+ log.debug("Removing peer {}/{} on {} but the interface is not configured",
+ peer.mac(), peer.vlan(), peer.location());
+ return;
+ }
+
+ checkState(peerNextId.get(peer) != null,
+ "Peer nextId should not be null");
+ checkState(peerNextId.get(peer).size() == 2,
+ "Wrong nextId associated with the peer");
+ Iterator<Integer> iter = peerNextId.get(peer).iterator();
+ int toRouterL3Unicast = iter.next();
+ int toPeerL3Unicast = iter.next();
+
+ // From peer to router
+ peerIntf.get().ipAddresses().forEach(routerIp -> {
+ flowObjectiveService.forward(peer.location().deviceId(),
+ createPeerObjBuilder(toRouterL3Unicast, routerIp.ipAddress().toIpPrefix()).remove());
+ });
+
+ // From router to peer
+ peer.ipAddresses().forEach(peerIp -> {
+ flowObjectiveService.forward(peer.location().deviceId(),
+ createPeerObjBuilder(toPeerL3Unicast, peerIp.toIpPrefix()).remove());
+ });
+ }
+
+ private ForwardingObjective.Builder createPeerObjBuilder(
+ int nextId, IpPrefix ipAddresses) {
+ TrafficSelector selector = buildIPDstSelector(ipAddresses, null, null, null, null);
+ DefaultForwardingObjective.Builder builder =
+ DefaultForwardingObjective.builder()
+ .withSelector(selector)
+ .fromApp(appId)
+ .withPriority(getPriorityFromPrefix(ipAddresses))
+ .withFlag(ForwardingObjective.Flag.SPECIFIC);
+ if (nextId != -1) {
+ builder.nextStep(nextId);
+ }
+ return builder;
+ }
+
+ private int createPeerGroup(MacAddress srcMac, MacAddress dstMac,
+ VlanId vlanId, DeviceId deviceId, PortNumber port) {
+ int nextId = flowObjectiveService.allocateNextId();
+ NextObjective.Builder nextObjBuilder = DefaultNextObjective.builder()
+ .withId(nextId)
+ .withType(NextObjective.Type.SIMPLE)
+ .fromApp(appId);
+
+ TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder();
+ ttBuilder.setEthSrc(srcMac);
+ ttBuilder.setEthDst(dstMac);
+ ttBuilder.setOutput(port);
+ nextObjBuilder.addTreatment(ttBuilder.build());
+
+ TrafficSelector.Builder metabuilder = DefaultTrafficSelector.builder();
+ VlanId matchVlanId = (vlanId.equals(VlanId.NONE)) ?
+ VlanId.vlanId(ASSIGNED_VLAN) :
+ vlanId;
+ metabuilder.matchVlanId(matchVlanId);
+ nextObjBuilder.withMeta(metabuilder.build());
+
+ flowObjectiveService.next(deviceId, nextObjBuilder.add());
+ return nextId;
+ }
+
+ @Override
+ public void event(HostEvent event) {
+ DeviceId deviceId = event.subject().location().deviceId();
+ if (!mastershipService.isLocalMaster(deviceId)) {
+ return;
+ }
+ switch (event.type()) {
+ case HOST_ADDED:
+ peerAdded(event);
+ break;
+ case HOST_MOVED:
+ //TODO We assume BGP peer does not move for now
+ break;
+ case HOST_REMOVED:
+ peerRemoved(event);
+ break;
+ case HOST_UPDATED:
+ //FIXME We assume BGP peer does not change IP for now
+ // but we can discover new address.
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+}
+
diff --git a/apps/routing/cpr/src/main/java/org/onosproject/routing/cpr/package-info.java b/apps/routing/cpr/src/main/java/org/onosproject/routing/cpr/package-info.java
new file mode 100644
index 0000000..b098961
--- /dev/null
+++ b/apps/routing/cpr/src/main/java/org/onosproject/routing/cpr/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Control plane redirect.
+ */
+package org.onosproject.routing.cpr;
diff --git a/apps/routing/cpr/src/test/java/org/onosproject/routing/cpr/ControlPlaneRedirectManagerTest.java b/apps/routing/cpr/src/test/java/org/onosproject/routing/cpr/ControlPlaneRedirectManagerTest.java
new file mode 100644
index 0000000..1291f8f
--- /dev/null
+++ b/apps/routing/cpr/src/test/java/org/onosproject/routing/cpr/ControlPlaneRedirectManagerTest.java
@@ -0,0 +1,645 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.routing.cpr;
+
+import com.google.common.collect.Sets;
+import org.easymock.EasyMock;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.onlab.packet.EthType;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.app.ApplicationService;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.incubator.net.intf.Interface;
+import org.onosproject.incubator.net.intf.InterfaceEvent;
+import org.onosproject.incubator.net.intf.InterfaceListener;
+import org.onosproject.incubator.net.intf.InterfaceService;
+import org.onosproject.incubator.net.intf.InterfaceServiceAdapter;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.mastership.MastershipServiceAdapter;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.NetTestTools;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigEvent.Type;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.config.NetworkConfigServiceAdapter;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.device.DeviceServiceAdapter;
+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.RoutingService;
+import org.onosproject.routing.config.RouterConfig;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.createNiceMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.expectLastCall;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.onlab.packet.ICMP6.NEIGHBOR_ADVERTISEMENT;
+import static org.onlab.packet.ICMP6.NEIGHBOR_SOLICITATION;
+import static org.onosproject.routing.cpr.ControlPlaneRedirectManager.ACL_PRIORITY;
+import static org.onosproject.routing.cpr.ControlPlaneRedirectManager.buildArpSelector;
+import static org.onosproject.routing.cpr.ControlPlaneRedirectManager.buildIPDstSelector;
+import static org.onosproject.routing.cpr.ControlPlaneRedirectManager.buildIPSrcSelector;
+import static org.onosproject.routing.cpr.ControlPlaneRedirectManager.buildNdpSelector;
+
+/**
+ * UnitTests for ControlPlaneRedirectManager.
+ */
+@Ignore("Too many dependencies on internal implementation, too hard to maintain")
+public class ControlPlaneRedirectManagerTest {
+
+ private DeviceService deviceService;
+ private FlowObjectiveService flowObjectiveService;
+ private NetworkConfigService networkConfigService;
+ private final Set<Interface> interfaces = Sets.newHashSet();
+ static Device dev3 = NetTestTools.device("0000000000000001");
+ private static final int OSPF_IP_PROTO = 0x59;
+ private CoreService coreService = new TestCoreService();
+ private InterfaceService interfaceService;
+ private static final ApplicationId APPID = TestApplicationId.create("org.onosproject.vrouter");
+
+ private static final DeviceId DEVICE_ID = DeviceId.deviceId("of:0000000000000001");
+
+ private ConnectPoint controlPlaneConnectPoint = new ConnectPoint(DEVICE_ID,
+ PortNumber.portNumber(1));
+
+ private static final ConnectPoint SW1_ETH1 = new ConnectPoint(DEVICE_ID,
+ PortNumber.portNumber(1));
+
+ private static final ConnectPoint SW1_ETH2 = new ConnectPoint(DEVICE_ID,
+ PortNumber.portNumber(2));
+
+ private static final ConnectPoint SW1_ETH3 = new ConnectPoint(DEVICE_ID,
+ PortNumber.portNumber(3));
+
+ private ControlPlaneRedirectManager controlPlaneRedirectManager = new ControlPlaneRedirectManager();
+ private RouterConfig routerConfig = new TestRouterConfig();
+ private NetworkConfigListener networkConfigListener;
+ private DeviceListener deviceListener;
+ private MastershipService mastershipService = new InternalMastershipServiceTest();
+ private InterfaceListener interfaceListener;
+ private ApplicationService applicationService;
+
+ @Before
+ public void setUp() {
+ networkConfigListener = createMock(NetworkConfigListener.class);
+ deviceService = new TestDeviceService();
+ deviceListener = createMock(DeviceListener.class);
+
+ interfaceListener = createMock(InterfaceListener.class);
+ deviceService.addListener(deviceListener);
+ setUpInterfaceService();
+ interfaceService = new InternalInterfaceService();
+ interfaceService.addListener(interfaceListener);
+ networkConfigService = new TestNetworkConfigService();
+ networkConfigService.addListener(networkConfigListener);
+ flowObjectiveService = createMock(FlowObjectiveService.class);
+ applicationService = createNiceMock(ApplicationService.class);
+ replay(applicationService);
+ setUpFlowObjectiveService();
+ controlPlaneRedirectManager.coreService = coreService;
+ controlPlaneRedirectManager.flowObjectiveService = flowObjectiveService;
+ controlPlaneRedirectManager.networkConfigService = networkConfigService;
+ controlPlaneRedirectManager.interfaceService = interfaceService;
+ controlPlaneRedirectManager.deviceService = deviceService;
+ controlPlaneRedirectManager.hostService = createNiceMock(HostService.class);
+ controlPlaneRedirectManager.mastershipService = mastershipService;
+ controlPlaneRedirectManager.applicationService = applicationService;
+ controlPlaneRedirectManager.activate();
+ verify(flowObjectiveService);
+ }
+
+ /**
+ * Tests adding new Device to a openflow router.
+ */
+ @Test
+ public void testAddDevice() {
+ ConnectPoint sw1eth4 = new ConnectPoint(DEVICE_ID, PortNumber.portNumber(4));
+ List<InterfaceIpAddress> interfaceIpAddresses = new ArrayList<>();
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("192.168.40.101"), IpPrefix.valueOf("192.168.40.0/24"))
+ );
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("2000::ff"), IpPrefix.valueOf("2000::ff/120"))
+ );
+
+ Interface sw1Eth4 = new Interface(sw1eth4.deviceId().toString(), sw1eth4, interfaceIpAddresses,
+ MacAddress.valueOf("00:00:00:00:00:04"), VlanId.NONE);
+ interfaces.add(sw1Eth4);
+ EasyMock.reset(flowObjectiveService);
+ setUpFlowObjectiveService();
+ deviceListener.event(new DeviceEvent(DeviceEvent.Type.DEVICE_AVAILABILITY_CHANGED, dev3));
+ verify(flowObjectiveService);
+ }
+
+ /**
+ * Tests adding while updating the networkConfig.
+ */
+ @Test
+ public void testUpdateNetworkConfig() {
+ ConnectPoint sw1eth4 = new ConnectPoint(DEVICE_ID, PortNumber.portNumber(4));
+ List<InterfaceIpAddress> interfaceIpAddresses = new ArrayList<>();
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("192.168.40.101"), IpPrefix.valueOf("192.168.40.0/24"))
+ );
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("2000::ff"), IpPrefix.valueOf("2000::ff/120"))
+ );
+
+ Interface sw1Eth4 = new Interface(sw1eth4.deviceId().toString(), sw1eth4, interfaceIpAddresses,
+ MacAddress.valueOf("00:00:00:00:00:04"), VlanId.NONE);
+ interfaces.add(sw1Eth4);
+ EasyMock.reset(flowObjectiveService);
+ setUpFlowObjectiveService();
+ networkConfigListener
+ .event(new NetworkConfigEvent(Type.CONFIG_UPDATED, dev3, RoutingService.ROUTER_CONFIG_CLASS));
+ networkConfigService.addListener(networkConfigListener);
+ verify(flowObjectiveService);
+ }
+
+ /**
+ * Tests adding while updating the networkConfig.
+ */
+ @Test
+ public void testAddInterface() {
+ ConnectPoint sw1eth4 = new ConnectPoint(DEVICE_ID, PortNumber.portNumber(4));
+ List<InterfaceIpAddress> interfaceIpAddresses = new ArrayList<>();
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("192.168.40.101"), IpPrefix.valueOf("192.168.40.0/24"))
+ );
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("2000::ff"), IpPrefix.valueOf("2000::ff/120"))
+ );
+
+ Interface sw1Eth4 = new Interface(sw1eth4.deviceId().toString(), sw1eth4, interfaceIpAddresses,
+ MacAddress.valueOf("00:00:00:00:00:04"), VlanId.NONE);
+ interfaces.add(sw1Eth4);
+
+ EasyMock.reset(flowObjectiveService);
+ expect(flowObjectiveService.allocateNextId()).andReturn(1).anyTimes();
+
+ setUpInterfaceConfiguration(sw1Eth4, true);
+ replay(flowObjectiveService);
+ interfaceListener.event(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_ADDED, sw1Eth4, 500L));
+ verify(flowObjectiveService);
+ }
+
+ @Test
+ public void testRemoveInterface() {
+ ConnectPoint sw1eth4 = new ConnectPoint(DEVICE_ID, PortNumber.portNumber(4));
+ List<InterfaceIpAddress> interfaceIpAddresses = new ArrayList<>();
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("192.168.40.101"), IpPrefix.valueOf("192.168.40.0/24"))
+ );
+ interfaceIpAddresses.add(
+ new InterfaceIpAddress(IpAddress.valueOf("2000::ff"), IpPrefix.valueOf("2000::ff/120"))
+ );
+
+ Interface sw1Eth4 = new Interface(sw1eth4.deviceId().toString(), sw1eth4, interfaceIpAddresses,
+ MacAddress.valueOf("00:00:00:00:00:04"), VlanId.NONE);
+ EasyMock.reset(flowObjectiveService);
+ expect(flowObjectiveService.allocateNextId()).andReturn(1).anyTimes();
+
+ setUpInterfaceConfiguration(sw1Eth4, false);
+ replay(flowObjectiveService);
+ interfaceListener.event(new InterfaceEvent(InterfaceEvent.Type.INTERFACE_REMOVED, sw1Eth4, 500L));
+ verify(flowObjectiveService);
+ }
+
+ /**
+ * Setup flow Configuration for all configured Interfaces.
+ *
+ **/
+ private void setUpFlowObjectiveService() {
+ expect(flowObjectiveService.allocateNextId()).andReturn(1).anyTimes();
+ for (Interface intf : interfaceService.getInterfaces()) {
+ setUpInterfaceConfiguration(intf, true);
+ }
+ replay(flowObjectiveService);
+ }
+
+ /**
+ * Setting up flowobjective expectations for basic forwarding and ospf.
+ **/
+ private void setUpInterfaceConfiguration(Interface intf, boolean install) {
+ DeviceId deviceId = controlPlaneConnectPoint.deviceId();
+ PortNumber controlPlanePort = controlPlaneConnectPoint.port();
+
+ for (InterfaceIpAddress ip : intf.ipAddresses()) {
+ int cpNextId, intfNextId;
+
+ cpNextId = modifyNextObjective(deviceId, controlPlanePort,
+ VlanId.vlanId(ControlPlaneRedirectManager.ASSIGNED_VLAN), true, install);
+ intfNextId = modifyNextObjective(deviceId, intf.connectPoint().port(),
+ VlanId.vlanId(ControlPlaneRedirectManager.ASSIGNED_VLAN), true, install);
+
+ // IP to router
+ TrafficSelector toSelector = buildIPDstSelector(
+ ip.ipAddress().toIpPrefix(),
+ intf.connectPoint().port(),
+ null,
+ intf.mac(),
+ intf.vlan());
+
+ flowObjectiveService.forward(deviceId, buildForwardingObjective(toSelector, null,
+ cpNextId, install, ACL_PRIORITY));
+ expectLastCall().once();
+
+ // IP from router
+ TrafficSelector fromSelector = buildIPSrcSelector(
+ ip.ipAddress().toIpPrefix(),
+ controlPlanePort,
+ intf.mac(),
+ null,
+ intf.vlan()
+ );
+
+ flowObjectiveService.forward(deviceId, buildForwardingObjective(fromSelector, null,
+ intfNextId, install, ACL_PRIORITY));
+ expectLastCall().once();
+
+ TrafficTreatment puntTreatment = DefaultTrafficTreatment.builder().punt().build();
+ if (ip.ipAddress().isIp4()) {
+ // ARP to router
+ toSelector = buildArpSelector(
+ intf.connectPoint().port(),
+ intf.vlan(),
+ null,
+ null
+ );
+
+ flowObjectiveService.forward(deviceId, buildForwardingObjective(toSelector, puntTreatment,
+ cpNextId, install, ACL_PRIORITY + 1));
+ expectLastCall().once();
+
+ // ARP from router
+ fromSelector = buildArpSelector(
+ controlPlanePort,
+ intf.vlan(),
+ ip.ipAddress().getIp4Address(),
+ intf.mac()
+ );
+
+ flowObjectiveService.forward(deviceId,
+ buildForwardingObjective(fromSelector, puntTreatment,
+ intfNextId, install, ACL_PRIORITY + 1));
+ expectLastCall().once();
+ } else {
+ // NDP solicitation to router
+ toSelector = buildNdpSelector(
+ intf.connectPoint().port(),
+ intf.vlan(),
+ null,
+ NEIGHBOR_SOLICITATION,
+ null
+ );
+
+ flowObjectiveService.forward(deviceId, buildForwardingObjective(toSelector, puntTreatment,
+ cpNextId, install, ACL_PRIORITY + 1));
+ expectLastCall().once();
+
+ // NDP solicitation from router
+ fromSelector = buildNdpSelector(
+ controlPlanePort,
+ intf.vlan(),
+ ip.ipAddress().toIpPrefix(),
+ NEIGHBOR_SOLICITATION,
+ intf.mac()
+ );
+
+ flowObjectiveService.forward(deviceId,
+ buildForwardingObjective(fromSelector, puntTreatment,
+ intfNextId, install, ACL_PRIORITY + 1));
+
+ // NDP advertisement to router
+ toSelector = buildNdpSelector(
+ intf.connectPoint().port(),
+ intf.vlan(),
+ null,
+ NEIGHBOR_ADVERTISEMENT,
+ null
+ );
+
+ flowObjectiveService.forward(deviceId, buildForwardingObjective(toSelector, puntTreatment,
+ cpNextId, install, ACL_PRIORITY + 1));
+ expectLastCall().once();
+
+ // NDP advertisement from router
+ fromSelector = buildNdpSelector(
+ controlPlanePort,
+ intf.vlan(),
+ ip.ipAddress().toIpPrefix(),
+ NEIGHBOR_ADVERTISEMENT,
+ intf.mac()
+ );
+
+ flowObjectiveService.forward(deviceId,
+ buildForwardingObjective(fromSelector, puntTreatment,
+ intfNextId, install, ACL_PRIORITY + 1));
+ }
+ }
+ // setting expectations for ospf forwarding.
+ TrafficSelector toSelector = DefaultTrafficSelector.builder().matchInPort(intf.connectPoint().port())
+ .matchEthType(EthType.EtherType.IPV4.ethType().toShort()).matchVlanId(intf.vlan())
+ .matchIPProtocol((byte) OSPF_IP_PROTO).build();
+
+ modifyNextObjective(deviceId, controlPlanePort, VlanId.vlanId((short) 4094), true, install);
+ flowObjectiveService.forward(controlPlaneConnectPoint.deviceId(),
+ buildForwardingObjective(toSelector, null, 1, install, 40001));
+ expectLastCall().once();
+ }
+
+ /**
+ * Setup expectations on flowObjectiveService.next for NextObjective.
+ *
+ **/
+ private int modifyNextObjective(DeviceId deviceId, PortNumber portNumber, VlanId vlanId, boolean popVlan,
+ boolean modifyFlag) {
+ NextObjective.Builder nextObjBuilder = DefaultNextObjective.builder().withId(1)
+ .withType(NextObjective.Type.SIMPLE).fromApp(APPID);
+
+ TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder();
+ if (popVlan) {
+ ttBuilder.popVlan();
+ }
+ ttBuilder.setOutput(portNumber);
+
+ TrafficSelector.Builder metabuilder = DefaultTrafficSelector.builder();
+ metabuilder.matchVlanId(vlanId);
+
+ nextObjBuilder.withMeta(metabuilder.build());
+ nextObjBuilder.addTreatment(ttBuilder.build());
+ if (modifyFlag) {
+ flowObjectiveService.next(deviceId, nextObjBuilder.add());
+ expectLastCall().once();
+ } else {
+ flowObjectiveService.next(deviceId, nextObjBuilder.remove());
+ expectLastCall().once();
+ }
+ return 1;
+ }
+
+ /**
+ * Setup Interface expectation for all Testcases.
+ **/
+ private void setUpInterfaceService() {
+ List<InterfaceIpAddress> interfaceIpAddresses1 = new ArrayList<>();
+ interfaceIpAddresses1
+ .add(new InterfaceIpAddress(IpAddress.valueOf("192.168.10.101"), IpPrefix.valueOf("192.168.10.0/24")));
+ Interface sw1Eth1 = new Interface(SW1_ETH1.deviceId().toString(), SW1_ETH1, interfaceIpAddresses1,
+ MacAddress.valueOf("00:00:00:00:00:01"), VlanId.NONE);
+ interfaces.add(sw1Eth1);
+
+ List<InterfaceIpAddress> interfaceIpAddresses2 = new ArrayList<>();
+ interfaceIpAddresses2
+ .add(new InterfaceIpAddress(IpAddress.valueOf("192.168.20.101"), IpPrefix.valueOf("192.168.20.0/24")));
+ Interface sw1Eth2 = new Interface(SW1_ETH1.deviceId().toString(), SW1_ETH2, interfaceIpAddresses2,
+ MacAddress.valueOf("00:00:00:00:00:02"), VlanId.NONE);
+ interfaces.add(sw1Eth2);
+
+ List<InterfaceIpAddress> interfaceIpAddresses3 = new ArrayList<>();
+ interfaceIpAddresses3
+ .add(new InterfaceIpAddress(IpAddress.valueOf("192.168.30.101"), IpPrefix.valueOf("192.168.30.0/24")));
+ Interface sw1Eth3 = new Interface(SW1_ETH1.deviceId().toString(), SW1_ETH3, interfaceIpAddresses3,
+ MacAddress.valueOf("00:00:00:00:00:03"), VlanId.NONE);
+ interfaces.add(sw1Eth3);
+
+ }
+
+ 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();
+ }
+
+ private class TestCoreService extends CoreServiceAdapter {
+
+ @Override
+ public ApplicationId getAppId(String name) {
+ return APPID;
+ }
+
+ @Override
+ public ApplicationId registerApplication(String name) {
+ return new TestApplicationId(name);
+ }
+
+ }
+
+ private class TestDeviceService extends DeviceServiceAdapter {
+
+ @Override
+ public boolean isAvailable(DeviceId deviceId) {
+ boolean flag = false;
+ if (deviceId.equals(controlPlaneConnectPoint.deviceId())) {
+ flag = true;
+ }
+ return flag;
+ }
+
+ @Override
+ public void addListener(DeviceListener listener) {
+ ControlPlaneRedirectManagerTest.this.deviceListener = listener;
+ }
+
+ }
+
+ private class TestRouterConfig extends RouterConfig {
+
+ @Override
+ public ConnectPoint getControlPlaneConnectPoint() {
+ return controlPlaneConnectPoint;
+ }
+
+ @Override
+ public boolean getOspfEnabled() {
+ return true;
+ }
+
+ @Override
+ public List<String> getInterfaces() {
+ ArrayList<String> interfaces = new ArrayList<>();
+ interfaces.add("of:0000000000000001");
+ interfaces.add("of:0000000000000001/2");
+ interfaces.add("of:0000000000000001/3");
+ return interfaces;
+ }
+
+ }
+
+ private class TestNetworkConfigService extends NetworkConfigServiceAdapter {
+
+ @Override
+ public void addListener(NetworkConfigListener listener) {
+ ControlPlaneRedirectManagerTest.this.networkConfigListener = listener;
+ }
+
+ @Override
+ public <S, C extends Config<S>> C getConfig(S subject, Class<C> configClass) {
+ return (C) ControlPlaneRedirectManagerTest.this.routerConfig;
+ }
+
+ }
+
+ private static class TestApplicationId implements ApplicationId {
+
+ private final String name;
+ private final short id;
+
+ public TestApplicationId(String name) {
+ this.name = name;
+ this.id = (short) Objects.hash(name);
+ }
+
+ public static ApplicationId create(String name) {
+ return new TestApplicationId(name);
+ }
+
+ @Override
+ public short id() {
+ return id;
+ }
+
+ @Override
+ public String name() {
+ return name;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + id;
+ result = prime * result + ((name == null) ? 0 : name.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ TestApplicationId other = (TestApplicationId) obj;
+ if (id != other.id) {
+ return false;
+ }
+ if (name == null) {
+ if (other.name != null) {
+ return false;
+ }
+ } else if (!name.equals(other.name)) {
+ return false;
+ }
+ return true;
+ }
+ }
+
+ private class InternalMastershipServiceTest extends MastershipServiceAdapter {
+
+ @Override
+ public boolean isLocalMaster(DeviceId deviceId) {
+ boolean flag = deviceId.equals(controlPlaneConnectPoint.deviceId());
+ return flag;
+ }
+
+ }
+
+ private class InternalInterfaceService extends InterfaceServiceAdapter {
+
+ @Override
+ public void addListener(InterfaceListener listener) {
+ ControlPlaneRedirectManagerTest.this.interfaceListener = listener;
+ }
+
+ @Override
+ public Set<Interface> getInterfaces() {
+ return interfaces;
+ }
+
+ @Override
+ public Set<Interface> getInterfacesByPort(ConnectPoint port) {
+ Set<Interface> setIntf = new HashSet<Interface>();
+ for (Interface intf : interfaces) {
+ if (intf.connectPoint().equals(port)) {
+ setIntf.add(intf);
+ }
+ }
+ return setIntf;
+ }
+
+ @Override
+ public Interface getMatchingInterface(IpAddress ip) {
+ Interface intff = null;
+ for (Interface intf : interfaces) {
+ for (InterfaceIpAddress address : intf.ipAddresses()) {
+ if (address.ipAddress().equals(ip)) {
+ intff = intf;
+ break;
+ }
+ }
+ }
+
+ return intff;
+ }
+
+ }
+}