sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 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.provider.ospf.topology.impl; |
| 17 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 18 | import org.osgi.service.component.annotations.Activate; |
| 19 | import org.osgi.service.component.annotations.Component; |
| 20 | import org.osgi.service.component.annotations.Deactivate; |
| 21 | import org.osgi.service.component.annotations.Reference; |
| 22 | import org.osgi.service.component.annotations.ReferenceCardinality; |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 23 | import org.onlab.packet.ChassisId; |
| 24 | import org.onlab.packet.Ip4Address; |
| 25 | import org.onosproject.net.AnnotationKeys; |
| 26 | import org.onosproject.net.ConnectPoint; |
| 27 | import org.onosproject.net.DefaultAnnotations; |
| 28 | import org.onosproject.net.Device; |
| 29 | import org.onosproject.net.DeviceId; |
| 30 | import org.onosproject.net.Link; |
| 31 | import org.onosproject.net.MastershipRole; |
| 32 | import org.onosproject.net.PortNumber; |
| 33 | import org.onosproject.net.device.DefaultDeviceDescription; |
| 34 | import org.onosproject.net.device.DefaultPortDescription; |
| 35 | import org.onosproject.net.device.DeviceDescription; |
| 36 | import org.onosproject.net.device.DeviceProvider; |
| 37 | import org.onosproject.net.device.DeviceProviderRegistry; |
| 38 | import org.onosproject.net.device.DeviceProviderService; |
| 39 | import org.onosproject.net.device.PortDescription; |
| 40 | import org.onosproject.net.link.DefaultLinkDescription; |
| 41 | import org.onosproject.net.link.LinkDescription; |
| 42 | import org.onosproject.net.link.LinkProvider; |
| 43 | import org.onosproject.net.link.LinkProviderRegistry; |
| 44 | import org.onosproject.net.link.LinkProviderService; |
| 45 | import org.onosproject.net.link.LinkService; |
| 46 | import org.onosproject.net.provider.AbstractProvider; |
| 47 | import org.onosproject.net.provider.ProviderId; |
| 48 | import org.onosproject.ospf.controller.OspfController; |
| 49 | import org.onosproject.ospf.controller.OspfLinkTed; |
| 50 | import org.onosproject.ospf.controller.OspfRouter; |
| 51 | import org.onosproject.ospf.controller.OspfRouterId; |
| 52 | import org.onosproject.ospf.controller.OspfRouterListener; |
| 53 | import org.onosproject.ospf.controller.OspfLinkListener; |
| 54 | import org.slf4j.Logger; |
| 55 | |
| 56 | import java.util.LinkedList; |
| 57 | import java.util.List; |
| 58 | |
| 59 | import static org.slf4j.LoggerFactory.getLogger; |
| 60 | |
| 61 | /** |
| 62 | * Provider which advertises device descriptions to the core. |
| 63 | */ |
| 64 | @Component(immediate = true) |
| 65 | public class OspfTopologyProvider extends AbstractProvider implements DeviceProvider, LinkProvider { |
| 66 | |
| 67 | public static final long PSEUDO_PORT = 0xffffffff; |
| 68 | private static final Logger log = getLogger(OspfTopologyProvider.class); |
| 69 | // Default values for tunable parameters |
| 70 | private static final String UNKNOWN = "unknown"; |
| 71 | final InternalTopologyProvider listener = new InternalTopologyProvider(); |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 72 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 73 | protected DeviceProviderRegistry deviceProviderRegistry; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 74 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 75 | protected LinkProviderRegistry linkProviderRegistry; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 76 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 77 | protected LinkService linkService; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 79 | protected OspfController controller; |
| 80 | //This Interface that defines how this provider can interact with the core. |
| 81 | private LinkProviderService linkProviderService; |
| 82 | // The interface that defines how this Provider can interact with the core |
| 83 | private DeviceProviderService deviceProviderService; |
| 84 | |
| 85 | /** |
| 86 | * Creates an OSPF device provider. |
| 87 | */ |
| 88 | public OspfTopologyProvider() { |
| 89 | super(new ProviderId("l3", "org.onosproject.provider.ospf")); |
| 90 | } |
| 91 | |
| 92 | @Activate |
| 93 | public void activate() { |
| 94 | deviceProviderService = deviceProviderRegistry.register(this); |
| 95 | linkProviderService = linkProviderRegistry.register(this); |
| 96 | controller.addRouterListener(listener); |
| 97 | controller.addLinkListener(listener); |
| 98 | log.debug("IsisDeviceProvider::activate...!!!!"); |
| 99 | } |
| 100 | |
| 101 | @Deactivate |
| 102 | public void deactivate() { |
| 103 | log.debug("IsisDeviceProvider::deactivate...!!!!"); |
| 104 | deviceProviderRegistry.unregister(this); |
| 105 | deviceProviderService = null; |
| 106 | linkProviderRegistry.unregister(this); |
| 107 | linkProviderService = null; |
| 108 | controller.removeRouterListener(listener); |
| 109 | controller.removeLinkListener(listener); |
| 110 | log.info("deactivated...!!!"); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public boolean isReachable(DeviceId deviceId) { |
| 115 | return true; |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public void changePortState(DeviceId deviceId, PortNumber portNumber, boolean enable) { |
| 120 | log.info("changePortState on device {}", deviceId); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public void triggerProbe(DeviceId deviceId) { |
| 125 | log.info("Triggering probe on device {}", deviceId); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public void roleChanged(DeviceId deviceId, MastershipRole newRole) { |
| 130 | log.info("Accepting mastership role change for device {}", deviceId); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Builds link description. |
| 135 | * |
| 136 | * @param ospfRouter OSPF router instance |
| 137 | * @param ospfLinkTed OSPF link TED instance |
| 138 | * @return link description instance |
| 139 | */ |
| 140 | private LinkDescription buildLinkDes(OspfRouter ospfRouter, OspfLinkTed ospfLinkTed) { |
| 141 | long srcAddress = 0; |
| 142 | long dstAddress = 0; |
| 143 | boolean localPseduo = false; |
| 144 | //Changing of port numbers |
| 145 | srcAddress = Ip4Address.valueOf(ospfRouter.routerIp().toString()).toInt(); |
| 146 | dstAddress = Ip4Address.valueOf(ospfRouter.neighborRouterId().toString()).toInt(); |
| 147 | DeviceId srcId = DeviceId.deviceId(OspfRouterId.uri(ospfRouter.routerIp())); |
| 148 | DeviceId dstId = DeviceId.deviceId(OspfRouterId.uri(ospfRouter.neighborRouterId())); |
| 149 | if (ospfRouter.isDr()) { |
| 150 | localPseduo = true; |
| 151 | } |
| 152 | if (localPseduo && srcAddress == 0) { |
| 153 | srcAddress = PSEUDO_PORT; |
| 154 | } |
| 155 | |
| 156 | ConnectPoint src = new ConnectPoint(srcId, PortNumber.portNumber(srcAddress)); |
| 157 | ConnectPoint dst = new ConnectPoint(dstId, PortNumber.portNumber(dstAddress)); |
| 158 | |
| 159 | return new DefaultLinkDescription(src, dst, Link.Type.DIRECT, false); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Internal topology Provider implementation. |
| 164 | */ |
| 165 | protected class InternalTopologyProvider implements OspfRouterListener, OspfLinkListener { |
| 166 | |
| 167 | @Override |
| 168 | public void routerAdded(OspfRouter ospfRouter) { |
| 169 | String routerId = ospfRouter.routerIp().toString(); |
| 170 | log.info("Added device {}", routerId); |
| 171 | DeviceId deviceId = DeviceId.deviceId(OspfRouterId.uri(ospfRouter.routerIp())); |
| 172 | Device.Type deviceType = Device.Type.ROUTER; |
| 173 | //If our routerType is Dr or Bdr type is PSEUDO |
| 174 | if (ospfRouter.isDr()) { |
| 175 | deviceType = Device.Type.ROUTER; |
| 176 | } else { |
| 177 | deviceType = Device.Type.VIRTUAL; |
| 178 | } |
| 179 | //deviceId = DeviceId.deviceId(routerDetails); |
| 180 | ChassisId cId = new ChassisId(); |
| 181 | DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder(); |
| 182 | |
| 183 | newBuilder.set(AnnotationKeys.TYPE, "l3"); |
| 184 | newBuilder.set("routerId", routerId); |
| 185 | DeviceDescription description = |
| 186 | new DefaultDeviceDescription(OspfRouterId.uri(ospfRouter.routerIp()), |
| 187 | deviceType, UNKNOWN, UNKNOWN, UNKNOWN, |
| 188 | UNKNOWN, cId, newBuilder.build()); |
| 189 | deviceProviderService.deviceConnected(deviceId, description); |
| 190 | } |
| 191 | |
| 192 | @Override |
| 193 | public void routerRemoved(OspfRouter ospfRouter) { |
| 194 | String routerId = ospfRouter.routerIp().toString(); |
| 195 | log.info("Delete device {}", routerId); |
| 196 | DeviceId deviceId = DeviceId.deviceId(OspfRouterId.uri(ospfRouter.routerIp())); |
| 197 | if (deviceProviderService == null) { |
| 198 | return; |
| 199 | } |
| 200 | deviceProviderService.deviceDisconnected(deviceId); |
| 201 | log.info("delete device {}", routerId); |
| 202 | } |
| 203 | |
| 204 | @Override |
| 205 | public void addLink(OspfRouter ospfRouter, OspfLinkTed ospfLinkTed) { |
| 206 | log.debug("Addlink {}", ospfRouter.routerIp()); |
| 207 | LinkDescription linkDes = buildLinkDes(ospfRouter, ospfLinkTed); |
| 208 | //If already link exists, return |
| 209 | if (linkService.getLink(linkDes.src(), linkDes.dst()) != null || linkProviderService == null) { |
| 210 | return; |
| 211 | } |
| 212 | //Updating ports of the link |
| 213 | List<PortDescription> srcPortDescriptions = new LinkedList<>(); |
Yuta HIGUCHI | 53e4796 | 2018-03-01 23:50:48 -0800 | [diff] [blame] | 214 | srcPortDescriptions.add(DefaultPortDescription.builder() |
| 215 | .withPortNumber(linkDes.src().port()).isEnabled(true).build()); |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 216 | deviceProviderService.updatePorts(linkDes.src().deviceId(), srcPortDescriptions); |
| 217 | |
| 218 | List<PortDescription> dstPortDescriptions = new LinkedList<>(); |
Yuta HIGUCHI | 53e4796 | 2018-03-01 23:50:48 -0800 | [diff] [blame] | 219 | dstPortDescriptions.add(DefaultPortDescription.builder() |
| 220 | .withPortNumber(linkDes.dst().port()).isEnabled(true).build()); |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 221 | deviceProviderService.updatePorts(linkDes.dst().deviceId(), dstPortDescriptions); |
| 222 | linkProviderService.linkDetected(linkDes); |
| 223 | } |
| 224 | |
| 225 | @Override |
| 226 | public void deleteLink(OspfRouter ospfRouter, OspfLinkTed ospfLinkTed) { |
| 227 | log.debug("Delete link {}", ospfRouter.routerIp().toString()); |
| 228 | if (linkProviderService == null) { |
| 229 | return; |
| 230 | } |
| 231 | LinkDescription linkDes = buildLinkDes(ospfRouter, ospfLinkTed); |
| 232 | //Updating ports of the link |
| 233 | List<PortDescription> srcPortDescriptions = new LinkedList<>(); |
Yuta HIGUCHI | 53e4796 | 2018-03-01 23:50:48 -0800 | [diff] [blame] | 234 | srcPortDescriptions.add(DefaultPortDescription.builder() |
| 235 | .withPortNumber(linkDes.src().port()).isEnabled(true).build()); |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 236 | deviceProviderService.updatePorts(linkDes.src().deviceId(), srcPortDescriptions); |
| 237 | |
| 238 | List<PortDescription> dstPortDescriptions = new LinkedList<>(); |
Yuta HIGUCHI | 53e4796 | 2018-03-01 23:50:48 -0800 | [diff] [blame] | 239 | dstPortDescriptions.add(DefaultPortDescription.builder() |
| 240 | .withPortNumber(linkDes.dst().port()).isEnabled(true).build()); |
sunishvk | f7c5655 | 2016-07-18 16:02:39 +0530 | [diff] [blame] | 241 | deviceProviderService.updatePorts(linkDes.dst().deviceId(), dstPortDescriptions); |
| 242 | linkProviderService.linkVanished(linkDes); |
| 243 | } |
| 244 | |
| 245 | @Override |
| 246 | public void routerChanged(OspfRouter ospfRouter) { |
| 247 | log.info("Router changed is not supported currently"); |
| 248 | } |
| 249 | } |
Yuta HIGUCHI | 53e4796 | 2018-03-01 23:50:48 -0800 | [diff] [blame] | 250 | } |