Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present 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.provider.bgpcep.flow.impl; |
| 17 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 18 | import java.util.LinkedList; |
| 19 | import java.util.List; |
| 20 | |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 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; |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 26 | import org.onlab.packet.Ip4Address; |
| 27 | import org.onlab.packet.IpAddress; |
| 28 | import org.onlab.packet.IpPrefix; |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 29 | import org.onosproject.bgp.controller.BgpController; |
| 30 | import org.onosproject.cfg.ComponentConfigService; |
| 31 | import org.onosproject.core.ApplicationId; |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 32 | import org.onosproject.incubator.net.resource.label.LabelResourceId; |
| 33 | import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint; |
| 34 | import org.onosproject.incubator.net.tunnel.Tunnel; |
| 35 | import org.onosproject.incubator.net.tunnel.TunnelId; |
| 36 | import org.onosproject.incubator.net.tunnel.TunnelService; |
| 37 | import org.onosproject.net.ConnectPoint; |
| 38 | import org.onosproject.net.DeviceId; |
| 39 | import org.onosproject.net.Link; |
| 40 | import org.onosproject.net.Path; |
| 41 | import org.onosproject.net.PortNumber; |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 42 | import org.onosproject.net.flow.FlowRule; |
| 43 | import org.onosproject.net.flow.FlowRuleBatchOperation; |
| 44 | import org.onosproject.net.flow.FlowRuleProvider; |
| 45 | import org.onosproject.net.flow.FlowRuleProviderRegistry; |
| 46 | import org.onosproject.net.flow.FlowRuleProviderService; |
| 47 | import org.onosproject.net.flow.criteria.Criterion; |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 48 | import org.onosproject.net.flowobjective.Objective; |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 49 | import org.onosproject.net.provider.AbstractProvider; |
| 50 | import org.onosproject.net.provider.ProviderId; |
| 51 | import org.onosproject.net.resource.ResourceService; |
| 52 | import org.onosproject.pcep.controller.PcepClient; |
| 53 | import org.onosproject.pcep.controller.PcepClientController; |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 54 | import org.onosproject.pcepio.exceptions.PcepParseException; |
| 55 | import org.onosproject.pcepio.protocol.PcepEroObject; |
| 56 | import org.onosproject.pcepio.protocol.PcepFecObjectIPv4; |
| 57 | import org.onosproject.pcepio.protocol.PcepFecObjectIPv4Adjacency; |
| 58 | import org.onosproject.pcepio.protocol.PcepLabelObject; |
| 59 | import org.onosproject.pcepio.protocol.PcepLabelUpdate; |
| 60 | import org.onosproject.pcepio.protocol.PcepLabelUpdateMsg; |
| 61 | import org.onosproject.pcepio.protocol.PcepLspObject; |
| 62 | import org.onosproject.pcepio.protocol.PcepMsgPath; |
| 63 | import org.onosproject.pcepio.protocol.PcepSrpObject; |
| 64 | import org.onosproject.pcepio.protocol.PcepUpdateMsg; |
| 65 | import org.onosproject.pcepio.protocol.PcepUpdateRequest; |
| 66 | import org.onosproject.pcepio.types.IPv4SubObject; |
| 67 | import org.onosproject.pcepio.types.NexthopIPv4addressTlv; |
| 68 | import org.onosproject.pcepio.types.PcepLabelDownload; |
| 69 | import org.onosproject.pcepio.types.PcepLabelMap; |
| 70 | import org.onosproject.pcepio.types.PcepValueType; |
| 71 | import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv; |
| 72 | import org.onosproject.provider.pcep.tunnel.impl.SrpIdGenerators; |
| 73 | import org.onosproject.provider.pcep.tunnel.impl.PcepAnnotationKeys; |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 74 | import org.osgi.service.component.ComponentContext; |
| 75 | import org.slf4j.Logger; |
| 76 | |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 77 | import static org.onosproject.pcep.controller.PcepSyncStatus.IN_SYNC; |
| 78 | import static org.onosproject.pcep.controller.PcepSyncStatus.SYNCED; |
| 79 | import static com.google.common.base.Preconditions.checkNotNull; |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 80 | import static org.slf4j.LoggerFactory.getLogger; |
| 81 | |
| 82 | /** |
| 83 | * Implementation of BGP-PCEP flow provider. |
| 84 | */ |
| 85 | @Component(immediate = true) |
| 86 | public class BgpcepFlowRuleProvider extends AbstractProvider |
| 87 | implements FlowRuleProvider { |
| 88 | |
| 89 | private final Logger log = getLogger(getClass()); |
| 90 | |
| 91 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 92 | protected FlowRuleProviderRegistry providerRegistry; |
| 93 | |
| 94 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 95 | protected ComponentConfigService cfgService; |
| 96 | |
| 97 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 98 | protected BgpController bgpController; |
| 99 | |
| 100 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 101 | protected PcepClientController pcepController; |
| 102 | |
| 103 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 104 | protected ResourceService resourceService; |
| 105 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 106 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 107 | protected TunnelService tunnelService; |
| 108 | |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 109 | private FlowRuleProviderService providerService; |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 110 | private PcepLabelObject labelObj; |
| 111 | public static final int OUT_LABEL_TYPE = 0; |
| 112 | public static final int IN_LABEL_TYPE = 1; |
| 113 | public static final long IDENTIFIER_SET = 0x100000000L; |
| 114 | public static final long SET = 0xFFFFFFFFL; |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 115 | |
| 116 | /** |
| 117 | * Creates a BgpFlow host provider. |
| 118 | */ |
| 119 | public BgpcepFlowRuleProvider() { |
| 120 | super(new ProviderId("l3", "org.onosproject.provider.bgpcep")); |
| 121 | } |
| 122 | |
| 123 | @Activate |
| 124 | public void activate(ComponentContext context) { |
| 125 | cfgService.registerProperties(getClass()); |
| 126 | providerService = providerRegistry.register(this); |
| 127 | log.info("Started"); |
| 128 | } |
| 129 | |
| 130 | @Deactivate |
| 131 | public void deactivate(ComponentContext context) { |
| 132 | cfgService.unregisterProperties(getClass(), false); |
| 133 | providerRegistry.unregister(this); |
| 134 | providerService = null; |
| 135 | log.info("Stopped"); |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public void applyFlowRule(FlowRule... flowRules) { |
| 140 | for (FlowRule flowRule : flowRules) { |
| 141 | applyRule(flowRule); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | private void applyRule(FlowRule flowRule) { |
| 146 | flowRule.selector().criteria() |
| 147 | .forEach(c -> { |
| 148 | // If Criterion type is MPLS_LABEL, push labels through PCEP client |
| 149 | if (c.type() == Criterion.Type.MPLS_LABEL) { |
| 150 | PcepClient pcc; |
| 151 | /** PCC client session is based on LSR ID, get the LSR ID for a specific device to |
| 152 | push the flows */ |
| 153 | |
| 154 | //TODO: commented code has dependency with other patch |
| 155 | /* Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources |
| 156 | .discrete(flowRule.deviceId()).id(), TeRouterId.class); |
| 157 | |
| 158 | lrsIds.forEach(lsrId -> |
| 159 | { |
| 160 | if (pcepController.getClient(PccId.pccId(lsrId)) != null) { |
| 161 | pcc = pcepController.getClient(PccId.pccId(lsrId)); |
| 162 | } |
| 163 | });*/ |
| 164 | // TODO: Build message and send the PCEP label message via PCEP client |
| 165 | } else { |
| 166 | // TODO: Get the BGP peer based on deviceId and send the message |
| 167 | } |
| 168 | }); |
| 169 | } |
| 170 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 171 | /** |
| 172 | * Returns PCEP client. |
| 173 | * |
| 174 | * @return PCEP client |
| 175 | */ |
| 176 | private PcepClient getPcepClient(DeviceId deviceId) { |
| 177 | PcepClient pcc; |
| 178 | //TODO: commented code has dependency |
| 179 | /* Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources |
| 180 | .discrete(deviceId()).id(), TeRouterId.class); |
| 181 | |
| 182 | lrsIds.forEach(lsrId -> |
| 183 | { |
| 184 | if (pcepController.getClient(PccId.pccId(lsrId)) != null) { |
| 185 | pcc = pcepController.getClient(PccId.pccId(lsrId)); |
| 186 | return pcc |
| 187 | } |
| 188 | });*/ |
| 189 | return null; |
| 190 | } |
| 191 | |
| 192 | //Pushes node labels to the specified device. |
| 193 | private void pushGlobalNodeLabel(DeviceId deviceId, LabelResourceId labelId, |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 194 | IpPrefix ipPrefix, Objective.Operation type, boolean isBos) throws PcepParseException { |
| 195 | |
| 196 | checkNotNull(deviceId); |
| 197 | checkNotNull(labelId); |
| 198 | checkNotNull(ipPrefix); |
| 199 | checkNotNull(type); |
| 200 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 201 | PcepClient pc = getPcepClient(deviceId); |
| 202 | if (pc == null) { |
| 203 | log.error("PCEP client not found"); |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>(); |
| 208 | |
| 209 | PcepFecObjectIPv4 fecObject = pc.factory().buildFecObjectIpv4() |
| 210 | .setNodeID(ipPrefix.address().getIp4Address().toInt()) |
| 211 | .build(); |
| 212 | |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 213 | boolean bSFlag = false; |
| 214 | if (pc.labelDbSyncStatus() == IN_SYNC) { |
| 215 | if (isBos) { |
| 216 | /* |
| 217 | * Now the sync is completed. |
| 218 | * Need to send label DB end-of-sync msg, i.e. S flag in SRP id is reset. |
| 219 | */ |
| 220 | pc.setLabelDbSyncStatus(SYNCED); |
| 221 | } else { |
| 222 | bSFlag = true; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | PcepSrpObject srpObj = getSrpObject(pc, type, bSFlag); |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 227 | |
| 228 | //Global NODE-SID as label object |
| 229 | PcepLabelObject labelObject = pc.factory().buildLabelObject() |
| 230 | .setLabel((int) labelId.labelId()) |
| 231 | .build(); |
| 232 | |
| 233 | PcepLabelMap labelMap = new PcepLabelMap(); |
| 234 | labelMap.setFecObject(fecObject); |
| 235 | labelMap.setLabelObject(labelObject); |
| 236 | labelMap.setSrpObject(srpObj); |
| 237 | |
| 238 | labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject() |
| 239 | .setLabelMap(labelMap) |
| 240 | .build()); |
| 241 | |
| 242 | PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg() |
| 243 | .setPcLabelUpdateList(labelUpdateList) |
| 244 | .build(); |
| 245 | |
| 246 | pc.sendMessage(labelMsg); |
| 247 | } |
| 248 | |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 249 | private PcepSrpObject getSrpObject(PcepClient pc, Objective.Operation type, boolean bSFlag) |
| 250 | throws PcepParseException { |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 251 | PcepSrpObject srpObj; |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 252 | boolean bRFlag = false; |
| 253 | |
| 254 | if (!type.equals(Objective.Operation.ADD)) { |
| 255 | // To cleanup labels, R bit is set |
| 256 | bRFlag = true; |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 257 | } |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 258 | |
| 259 | srpObj = pc.factory().buildSrpObject() |
| 260 | .setRFlag(bRFlag) |
| 261 | .setSFlag(bSFlag) |
| 262 | .setSrpID(SrpIdGenerators.create()) |
| 263 | .build(); |
| 264 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 265 | return srpObj; |
| 266 | } |
| 267 | |
| 268 | //Pushes adjacency labels to the specified device. |
| 269 | private void pushAdjacencyLabel(DeviceId deviceId, LabelResourceId labelId, |
| 270 | PortNumber srcPortNum, PortNumber dstPortNum, Objective.Operation type) throws PcepParseException { |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 271 | |
| 272 | checkNotNull(deviceId); |
| 273 | checkNotNull(labelId); |
| 274 | checkNotNull(srcPortNum); |
| 275 | checkNotNull(dstPortNum); |
| 276 | checkNotNull(type); |
| 277 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 278 | PcepClient pc = getPcepClient(deviceId); |
| 279 | if (pc == null) { |
| 280 | log.error("PCEP client not found"); |
| 281 | return; |
| 282 | } |
| 283 | |
| 284 | LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>(); |
| 285 | |
| 286 | long srcPortNo = srcPortNum.toLong(); |
| 287 | long dstPortNo = dstPortNum.toLong(); |
| 288 | srcPortNo = ((srcPortNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? srcPortNo & SET : srcPortNo; |
| 289 | dstPortNo = ((dstPortNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? dstPortNo & SET : dstPortNo; |
| 290 | |
| 291 | PcepFecObjectIPv4Adjacency fecAdjObject = pc.factory().buildFecIpv4Adjacency() |
| 292 | .seRemoteIPv4Address((int) dstPortNo) |
| 293 | .seLocalIPv4Address((int) srcPortNo) |
| 294 | .build(); |
| 295 | |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 296 | PcepSrpObject srpObj = getSrpObject(pc, type, false); |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 297 | |
| 298 | //Adjacency label object |
| 299 | PcepLabelObject labelObject = pc.factory().buildLabelObject() |
| 300 | .setLabel((int) labelId.labelId()) |
| 301 | .build(); |
| 302 | |
| 303 | PcepLabelMap labelMap = new PcepLabelMap(); |
| 304 | labelMap.setFecObject(fecAdjObject); |
| 305 | labelMap.setLabelObject(labelObject); |
| 306 | labelMap.setSrpObject(srpObj); |
| 307 | |
| 308 | labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject() |
| 309 | .setLabelMap(labelMap) |
| 310 | .build()); |
| 311 | |
| 312 | PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg() |
| 313 | .setPcLabelUpdateList(labelUpdateList) |
| 314 | .build(); |
| 315 | |
| 316 | pc.sendMessage(labelMsg); |
| 317 | } |
| 318 | |
| 319 | //Pushes local labels to the device which is specific to path [CR-case]. |
| 320 | private void pushLocalLabels(DeviceId deviceId, LabelResourceId labelId, |
| 321 | PortNumber portNum, TunnelId tunnelId, |
| 322 | Boolean isBos, Long labelType, Objective.Operation type) throws PcepParseException { |
| 323 | |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 324 | checkNotNull(deviceId); |
| 325 | checkNotNull(labelId); |
| 326 | checkNotNull(portNum); |
| 327 | checkNotNull(tunnelId); |
| 328 | checkNotNull(labelType); |
| 329 | checkNotNull(type); |
| 330 | |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 331 | PcepClient pc = getPcepClient(deviceId); |
| 332 | if (pc == null) { |
| 333 | log.error("PCEP client not found"); |
| 334 | return; |
| 335 | } |
| 336 | |
| 337 | PcepLspObject lspObj; |
| 338 | LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>(); |
| 339 | LinkedList<PcepLabelObject> labelObjects = new LinkedList<>(); |
| 340 | PcepSrpObject srpObj; |
| 341 | PcepLabelDownload labelDownload = new PcepLabelDownload(); |
| 342 | LinkedList<PcepValueType> optionalTlv = new LinkedList<>(); |
| 343 | |
| 344 | long portNo = portNum.toLong(); |
| 345 | portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| 346 | |
| 347 | optionalTlv.add(NexthopIPv4addressTlv.of((int) portNo)); |
| 348 | |
| 349 | Tunnel tunnel = tunnelService.queryTunnel(tunnelId); |
| 350 | |
| 351 | PcepLabelObject labelObj = pc.factory().buildLabelObject() |
| 352 | .setOFlag(labelType == OUT_LABEL_TYPE ? true : false) |
| 353 | .setOptionalTlv(optionalTlv) |
| 354 | .setLabel((int) labelId.labelId()) |
| 355 | .build(); |
| 356 | |
| 357 | /** |
| 358 | * Check whether transit node or not. For transit node, label update message should include IN and OUT labels. |
| 359 | * Hence store IN label object and next when out label comes add IN and OUT label objects and encode label |
| 360 | * update message and send to specified client. |
| 361 | */ |
| 362 | if (!deviceId.equals(tunnel.path().src().deviceId()) && !deviceId.equals(tunnel.path().dst().deviceId())) { |
| 363 | //Device is transit node |
| 364 | if (labelType == IN_LABEL_TYPE) { |
| 365 | //Store label object having IN label value |
| 366 | this.labelObj = labelObj; |
| 367 | return; |
| 368 | } |
| 369 | //Add IN label object |
| 370 | labelObjects.add(this.labelObj); |
| 371 | } |
| 372 | |
| 373 | //Add OUT label object in case of transit node |
| 374 | labelObjects.add(labelObj); |
| 375 | |
Avantika-Huawei | 7c14e66 | 2016-05-16 19:13:34 +0530 | [diff] [blame^] | 376 | srpObj = getSrpObject(pc, type, false); |
Priyanka B | bd455ca | 2016-05-05 22:13:25 +0530 | [diff] [blame] | 377 | |
| 378 | String lspId = tunnel.annotations().value(PcepAnnotationKeys.PLSP_ID); |
| 379 | String plspId = tunnel.annotations().value(PcepAnnotationKeys.LOCAL_LSP_ID); |
| 380 | String tunnelIdentifier = tunnel.annotations().value(PcepAnnotationKeys.PCC_TUNNEL_ID); |
| 381 | |
| 382 | LinkedList<PcepValueType> tlvs = new LinkedList<>(); |
| 383 | StatefulIPv4LspIdentifiersTlv lspIdTlv = new StatefulIPv4LspIdentifiersTlv(((IpTunnelEndPoint) tunnel.src()) |
| 384 | .ip().getIp4Address().toInt(), Short.valueOf(lspId), Short.valueOf(tunnelIdentifier), 0, |
| 385 | ((IpTunnelEndPoint) tunnel.dst()).ip().getIp4Address().toInt()); |
| 386 | tlvs.add(lspIdTlv); |
| 387 | |
| 388 | lspObj = pc.factory().buildLspObject() |
| 389 | .setRFlag(false) |
| 390 | .setAFlag(true) |
| 391 | .setDFlag(true) |
| 392 | .setPlspId(Integer.valueOf(plspId)) |
| 393 | .setOptionalTlv(tlvs) |
| 394 | .build(); |
| 395 | |
| 396 | labelDownload.setLabelList(labelObjects); |
| 397 | labelDownload.setLspObject(lspObj); |
| 398 | labelDownload.setSrpObject(srpObj); |
| 399 | |
| 400 | labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject() |
| 401 | .setLabelDownload(labelDownload) |
| 402 | .build()); |
| 403 | |
| 404 | PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg() |
| 405 | .setPcLabelUpdateList(labelUpdateList) |
| 406 | .build(); |
| 407 | |
| 408 | pc.sendMessage(labelMsg); |
| 409 | |
| 410 | //If isBos is true, label download is done along the LSP, send PCEP update message. |
| 411 | if (isBos) { |
| 412 | sendPcepUpdateMsg(pc, lspObj, tunnel); |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | //Sends PCEP update message. |
| 417 | private void sendPcepUpdateMsg(PcepClient pc, PcepLspObject lspObj, Tunnel tunnel) throws PcepParseException { |
| 418 | LinkedList<PcepUpdateRequest> updateRequestList = new LinkedList<>(); |
| 419 | LinkedList<PcepValueType> subObjects = createEroSubObj(tunnel.path()); |
| 420 | |
| 421 | if (subObjects == null) { |
| 422 | log.error("ERO subjects not present"); |
| 423 | return; |
| 424 | } |
| 425 | |
| 426 | PcepSrpObject srpObj = pc.factory().buildSrpObject() |
| 427 | .setRFlag(false) |
| 428 | .setSrpID(SrpIdGenerators.create()) |
| 429 | .build(); |
| 430 | |
| 431 | PcepEroObject eroObj = pc.factory().buildEroObject() |
| 432 | .setSubObjects(subObjects) |
| 433 | .build(); |
| 434 | |
| 435 | PcepMsgPath msgPath = pc.factory().buildPcepMsgPath() |
| 436 | .setEroObject(eroObj) |
| 437 | .build(); |
| 438 | |
| 439 | PcepUpdateRequest updateReq = pc.factory().buildPcepUpdateRequest() |
| 440 | .setSrpObject(srpObj) |
| 441 | .setMsgPath(msgPath) |
| 442 | .setLspObject(lspObj) |
| 443 | .build(); |
| 444 | |
| 445 | updateRequestList.add(updateReq); |
| 446 | |
| 447 | //TODO: P = 1 is it P flag in PCEP obj header |
| 448 | PcepUpdateMsg updateMsg = pc.factory().buildUpdateMsg() |
| 449 | .setUpdateRequestList(updateRequestList) |
| 450 | .build(); |
| 451 | |
| 452 | pc.sendMessage(updateMsg); |
| 453 | } |
| 454 | |
| 455 | private LinkedList<PcepValueType> createEroSubObj(Path path) { |
| 456 | LinkedList<PcepValueType> subObjects = new LinkedList<>(); |
| 457 | List<Link> links = path.links(); |
| 458 | ConnectPoint source = null; |
| 459 | ConnectPoint destination = null; |
| 460 | IpAddress ipDstAddress = null; |
| 461 | IpAddress ipSrcAddress = null; |
| 462 | PcepValueType subObj = null; |
| 463 | long portNo; |
| 464 | |
| 465 | for (Link link : links) { |
| 466 | source = link.src(); |
| 467 | if (!(source.equals(destination))) { |
| 468 | //set IPv4SubObject for ERO object |
| 469 | portNo = source.port().toLong(); |
| 470 | portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| 471 | ipSrcAddress = Ip4Address.valueOf((int) portNo); |
| 472 | subObj = new IPv4SubObject(ipSrcAddress.getIp4Address().toInt()); |
| 473 | subObjects.add(subObj); |
| 474 | } |
| 475 | |
| 476 | destination = link.dst(); |
| 477 | portNo = destination.port().toLong(); |
| 478 | portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| 479 | ipDstAddress = Ip4Address.valueOf((int) portNo); |
| 480 | subObj = new IPv4SubObject(ipDstAddress.getIp4Address().toInt()); |
| 481 | subObjects.add(subObj); |
| 482 | } |
| 483 | return subObjects; |
| 484 | } |
| 485 | |
Priyanka B | 9bee080 | 2016-04-27 22:06:02 +0530 | [diff] [blame] | 486 | @Override |
| 487 | public void removeFlowRule(FlowRule... flowRules) { |
| 488 | for (FlowRule flowRule : flowRules) { |
| 489 | removeRule(flowRule); |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | private void removeRule(FlowRule flowRule) { |
| 494 | flowRule.selector().criteria() |
| 495 | .forEach(c -> { |
| 496 | // If Criterion type is MPLS_LABEL, remove the specified flow rules |
| 497 | if (c.type() == Criterion.Type.MPLS_LABEL) { |
| 498 | PcepClient pcc; |
| 499 | /** PCC client session is based on LSR ID, get the LSR ID for a specific device to |
| 500 | push the flows */ |
| 501 | |
| 502 | //TODO: commented code has dependency with other patch |
| 503 | /* Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources |
| 504 | .discrete(flowRule.deviceId()).id(), TeRouterId.class); |
| 505 | |
| 506 | lrsIds.forEach(lsrId -> |
| 507 | { |
| 508 | if (pcepController.getClient(PccId.pccId(lsrId)) != null) { |
| 509 | pcc = pcepController.getClient(PccId.pccId(lsrId)); |
| 510 | } |
| 511 | });*/ |
| 512 | // TODO: Build message and send the PCEP label message via PCEP client |
| 513 | } else { |
| 514 | // TODO: Get the BGP peer based on deviceId and send the message |
| 515 | } |
| 516 | }); |
| 517 | } |
| 518 | |
| 519 | @Override |
| 520 | public void removeRulesById(ApplicationId id, FlowRule... flowRules) { |
| 521 | // TODO |
| 522 | removeFlowRule(flowRules); |
| 523 | } |
| 524 | |
| 525 | @Override |
| 526 | public void executeBatch(FlowRuleBatchOperation batch) { |
| 527 | //TODO |
| 528 | } |
| 529 | } |