| /* |
| * Copyright 2016-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.vpls; |
| |
| import com.google.common.collect.HashMultimap; |
| import com.google.common.collect.SetMultimap; |
| import javafx.util.Pair; |
| 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.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.InterfaceEvent; |
| import org.onosproject.incubator.net.intf.InterfaceListener; |
| import org.onosproject.incubator.net.intf.InterfaceService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.host.HostEvent; |
| import org.onosproject.net.host.HostListener; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.intent.IntentService; |
| import org.onosproject.routing.IntentSynchronizationAdminService; |
| import org.onosproject.routing.IntentSynchronizationService; |
| import org.slf4j.Logger; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Application to create L2 broadcast overlay networks using VLAN. |
| */ |
| @Component(immediate = true) |
| public class Vpls { |
| private static final String VPLS_APP = "org.onosproject.vpls"; |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ApplicationService applicationService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentService intentService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected InterfaceService interfaceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentSynchronizationService intentSynchronizer; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentSynchronizationAdminService intentSynchronizerAdmin; |
| |
| private final HostListener hostListener = new InternalHostListener(); |
| |
| private final InternalInterfaceListener interfaceListener |
| = new InternalInterfaceListener(); |
| |
| private IntentInstaller intentInstaller; |
| |
| private ApplicationId appId; |
| |
| @Activate |
| public void activate() { |
| appId = coreService.registerApplication(VPLS_APP); |
| |
| intentInstaller = new IntentInstaller(appId, |
| intentService, |
| intentSynchronizer); |
| |
| applicationService.registerDeactivateHook(appId, |
| intentSynchronizerAdmin::removeIntents); |
| |
| hostService.addListener(hostListener); |
| interfaceService.addListener(interfaceListener); |
| |
| setupConnectivity(); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| protected void setupConnectivity() { |
| /* |
| * Parse Configuration and get Connect Point by VlanId. |
| */ |
| SetMultimap<VlanId, ConnectPoint> confCPointsByVlan = getConfigCPoints(); |
| |
| /* |
| * Check that configured Connect Points have hosts attached and |
| * associate their Mac Address to the Connect Points configured. |
| */ |
| SetMultimap<VlanId, Pair<ConnectPoint, MacAddress>> confHostPresentCPoint = |
| pairAvailableHosts(confCPointsByVlan); |
| |
| /* |
| * Create and submit intents between the Connect Points. |
| * Intents for broadcast between all the configured Connect Points. |
| * Intents for unicast between all the configured Connect Points with |
| * hosts attached. |
| */ |
| intentInstaller.installIntents(confHostPresentCPoint); |
| } |
| |
| /** |
| * Computes the list of configured interfaces with a VLAN Id. |
| * |
| * @return the interfaces grouped by vlan id |
| */ |
| protected SetMultimap<VlanId, ConnectPoint> getConfigCPoints() { |
| log.debug("Checking interface configuration"); |
| |
| SetMultimap<VlanId, ConnectPoint> confCPointsByVlan = |
| HashMultimap.create(); |
| |
| interfaceService.getInterfaces() |
| .stream() |
| .filter(intf -> intf.ipAddressesList().isEmpty()) |
| .forEach(intf -> confCPointsByVlan.put(intf.vlan(), |
| intf.connectPoint())); |
| return confCPointsByVlan; |
| } |
| |
| /** |
| * Checks if for any ConnectPoint configured there's an host present |
| * and in case it associate them together. |
| * |
| * @param confCPointsByVlan the configured ConnectPoints grouped by vlan id |
| * @return the configured ConnectPoints with eventual hosts associated. |
| */ |
| protected SetMultimap<VlanId, Pair<ConnectPoint, MacAddress>> pairAvailableHosts( |
| SetMultimap<VlanId, ConnectPoint> confCPointsByVlan) { |
| log.debug("Binding connected hosts mac addresses"); |
| |
| SetMultimap<VlanId, Pair<ConnectPoint, MacAddress>> confHostPresentCPoint = |
| HashMultimap.create(); |
| |
| confCPointsByVlan.entries() |
| .forEach(e -> bindMacAddr(e, confHostPresentCPoint)); |
| |
| return confHostPresentCPoint; |
| } |
| |
| private void bindMacAddr(Map.Entry<VlanId, ConnectPoint> e, |
| SetMultimap<VlanId, Pair<ConnectPoint, |
| MacAddress>> confHostPresentCPoint) { |
| VlanId vlanId = e.getKey(); |
| ConnectPoint cp = e.getValue(); |
| Set<Host> connectedHosts = hostService.getConnectedHosts(cp); |
| if (!connectedHosts.isEmpty()) { |
| connectedHosts.forEach(host -> { |
| if (host.vlan().equals(vlanId)) { |
| confHostPresentCPoint.put(vlanId, new Pair<>(cp, host.mac())); |
| } else { |
| confHostPresentCPoint.put(vlanId, new Pair<>(cp, null)); |
| } |
| }); |
| } else { |
| confHostPresentCPoint.put(vlanId, new Pair<>(cp, null)); |
| } |
| } |
| |
| /** |
| * Listener for host events. |
| */ |
| class InternalHostListener implements HostListener { |
| @Override |
| public void event(HostEvent event) { |
| log.debug("Received HostEvent {}", event); |
| switch (event.type()) { |
| case HOST_ADDED: |
| case HOST_UPDATED: |
| case HOST_REMOVED: |
| setupConnectivity(); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Listener for interface configuration events. |
| */ |
| private class InternalInterfaceListener implements InterfaceListener { |
| @Override |
| public void event(InterfaceEvent event) { |
| log.debug("Received InterfaceConfigEvent {}", event); |
| switch (event.type()) { |
| case INTERFACE_ADDED: |
| case INTERFACE_UPDATED: |
| case INTERFACE_REMOVED: |
| setupConnectivity(); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |