Luca Prete | 9c2ee07 | 2016-02-16 11:00:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.vpls; |
| 17 | |
| 18 | import com.google.common.collect.HashMultimap; |
| 19 | import com.google.common.collect.SetMultimap; |
| 20 | import javafx.util.Pair; |
| 21 | import org.apache.felix.scr.annotations.Activate; |
| 22 | import org.apache.felix.scr.annotations.Component; |
| 23 | import org.apache.felix.scr.annotations.Deactivate; |
| 24 | import org.apache.felix.scr.annotations.Reference; |
| 25 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 26 | import org.onlab.packet.MacAddress; |
| 27 | import org.onlab.packet.VlanId; |
| 28 | import org.onosproject.app.ApplicationService; |
| 29 | import org.onosproject.core.ApplicationId; |
| 30 | import org.onosproject.core.CoreService; |
| 31 | import org.onosproject.incubator.net.intf.InterfaceService; |
| 32 | import org.onosproject.net.ConnectPoint; |
| 33 | import org.onosproject.net.Host; |
| 34 | import org.onosproject.net.host.HostEvent; |
| 35 | import org.onosproject.net.host.HostListener; |
| 36 | import org.onosproject.net.host.HostService; |
| 37 | import org.onosproject.net.intent.IntentService; |
| 38 | import org.onosproject.routing.IntentSynchronizationAdminService; |
| 39 | import org.onosproject.routing.IntentSynchronizationService; |
| 40 | import org.slf4j.Logger; |
| 41 | |
| 42 | import java.util.Map; |
| 43 | import java.util.Set; |
| 44 | |
| 45 | import static org.slf4j.LoggerFactory.getLogger; |
| 46 | |
| 47 | /** |
| 48 | * Application to create L2 broadcast overlay networks using VLAN. |
| 49 | */ |
| 50 | @Component(immediate = true) |
| 51 | public class Vpls { |
| 52 | private static final String VPLS_APP = "org.onosproject.vpls"; |
| 53 | private final Logger log = getLogger(getClass()); |
| 54 | |
| 55 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 56 | protected ApplicationService applicationService; |
| 57 | |
| 58 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 59 | protected CoreService coreService; |
| 60 | |
| 61 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 62 | protected HostService hostService; |
| 63 | |
| 64 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 65 | protected IntentService intentService; |
| 66 | |
| 67 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 68 | protected InterfaceService interfaceService; |
| 69 | |
| 70 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 71 | protected IntentSynchronizationService intentSynchronizer; |
| 72 | |
| 73 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 74 | protected IntentSynchronizationAdminService intentSynchronizerAdmin; |
| 75 | |
| 76 | private final HostListener hostListener = new InternalHostListener(); |
| 77 | |
| 78 | private IntentInstaller intentInstaller; |
| 79 | |
| 80 | private ApplicationId appId; |
| 81 | |
| 82 | @Activate |
| 83 | public void activate() { |
| 84 | appId = coreService.registerApplication(VPLS_APP); |
| 85 | |
| 86 | intentInstaller = new IntentInstaller(appId, |
| 87 | intentService, |
| 88 | intentSynchronizer); |
| 89 | |
| 90 | applicationService.registerDeactivateHook(appId, |
| 91 | intentSynchronizerAdmin::removeIntents); |
| 92 | |
| 93 | hostService.addListener(hostListener); |
| 94 | |
| 95 | setupConnectivity(); |
| 96 | |
| 97 | log.info("Started"); |
| 98 | } |
| 99 | |
| 100 | @Deactivate |
| 101 | public void deactivate() { |
| 102 | log.info("Stopped"); |
| 103 | } |
| 104 | |
| 105 | protected void setupConnectivity() { |
| 106 | /* |
| 107 | * Parse Configuration and get Connect Point by VlanId. |
| 108 | */ |
| 109 | SetMultimap<VlanId, ConnectPoint> confCPointsByVlan = getConfigCPoints(); |
| 110 | |
| 111 | /* |
| 112 | * Check that configured Connect Points have hosts attached and |
| 113 | * associate their Mac Address to the Connect Points configured. |
| 114 | */ |
| 115 | SetMultimap<VlanId, Pair<ConnectPoint, MacAddress>> confHostPresentCPoint = |
| 116 | pairAvailableHosts(confCPointsByVlan); |
| 117 | |
| 118 | /* |
| 119 | * Create and submit intents between the Connect Points. |
| 120 | * Intents for broadcast between all the configured Connect Points. |
| 121 | * Intents for unicast between all the configured Connect Points with |
| 122 | * hosts attached. |
| 123 | */ |
| 124 | intentInstaller.installIntents(confHostPresentCPoint); |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Computes the list of configured interfaces with a VLAN Id. |
| 129 | * |
| 130 | * @return the interfaces grouped by vlan id |
| 131 | */ |
| 132 | protected SetMultimap<VlanId, ConnectPoint> getConfigCPoints() { |
| 133 | log.debug("Checking interface configuration"); |
| 134 | |
| 135 | SetMultimap<VlanId, ConnectPoint> confCPointsByVlan = |
| 136 | HashMultimap.create(); |
| 137 | |
| 138 | interfaceService.getInterfaces() |
Luca Prete | b21d171 | 2016-02-19 11:17:24 -0800 | [diff] [blame^] | 139 | .stream() |
| 140 | .filter(intf -> intf.ipAddressesList().isEmpty()) |
Luca Prete | 9c2ee07 | 2016-02-16 11:00:44 -0800 | [diff] [blame] | 141 | .forEach(intf -> confCPointsByVlan.put(intf.vlan(), |
| 142 | intf.connectPoint())); |
| 143 | return confCPointsByVlan; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Checks if for any ConnectPoint configured there's an host present |
| 148 | * and in case it associate them together. |
| 149 | * |
| 150 | * @param confCPointsByVlan the configured ConnectPoints grouped by vlan id |
| 151 | * @return the configured ConnectPoints with eventual hosts associated. |
| 152 | */ |
| 153 | protected SetMultimap<VlanId, Pair<ConnectPoint, MacAddress>> pairAvailableHosts( |
| 154 | SetMultimap<VlanId, ConnectPoint> confCPointsByVlan) { |
| 155 | log.debug("Binding connected hosts mac addresses"); |
| 156 | |
| 157 | SetMultimap<VlanId, Pair<ConnectPoint, MacAddress>> confHostPresentCPoint = |
| 158 | HashMultimap.create(); |
| 159 | |
| 160 | confCPointsByVlan.entries() |
| 161 | .forEach(e -> bindMacAddr(e, confHostPresentCPoint)); |
| 162 | |
| 163 | return confHostPresentCPoint; |
| 164 | } |
| 165 | |
| 166 | private void bindMacAddr(Map.Entry<VlanId, ConnectPoint> e, |
| 167 | SetMultimap<VlanId, Pair<ConnectPoint, |
| 168 | MacAddress>> confHostPresentCPoint) { |
| 169 | VlanId vlanId = e.getKey(); |
| 170 | ConnectPoint cp = e.getValue(); |
| 171 | Set<Host> connectedHosts = hostService.getConnectedHosts(cp); |
| 172 | if (!connectedHosts.isEmpty()) { |
| 173 | connectedHosts.forEach(host -> { |
| 174 | if (host.vlan().equals(vlanId)) { |
| 175 | confHostPresentCPoint.put(vlanId, new Pair<>(cp, host.mac())); |
| 176 | } else { |
| 177 | confHostPresentCPoint.put(vlanId, new Pair<>(cp, null)); |
| 178 | } |
| 179 | }); |
| 180 | } else { |
| 181 | confHostPresentCPoint.put(vlanId, new Pair<>(cp, null)); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Listener for host events. |
| 187 | */ |
| 188 | class InternalHostListener implements HostListener { |
| 189 | @Override |
| 190 | public void event(HostEvent event) { |
| 191 | log.debug("Received HostEvent {}", event); |
| 192 | switch (event.type()) { |
| 193 | case HOST_ADDED: |
| 194 | case HOST_UPDATED: |
| 195 | case HOST_REMOVED: |
| 196 | setupConnectivity(); |
| 197 | break; |
| 198 | default: |
| 199 | break; |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | } |