| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.pcep.server.impl; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| import java.util.LinkedList; |
| |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.incubator.net.resource.label.DefaultLabelResource; |
| import org.onosproject.incubator.net.resource.label.LabelResource; |
| import org.onosproject.incubator.net.resource.label.LabelResourceId; |
| import org.onosproject.incubator.net.resource.label.LabelResourceService; |
| import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint; |
| import org.onosproject.incubator.net.tunnel.Tunnel; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.pcelabelstore.DefaultLspLocalLabelInfo; |
| import org.onosproject.pcelabelstore.PcepLabelOp; |
| import org.onosproject.pcelabelstore.api.LspLocalLabelInfo; |
| import org.onosproject.pcelabelstore.api.PceLabelStore; |
| import org.onosproject.pcep.server.LspType; |
| import org.onosproject.pcep.server.PccId; |
| import org.onosproject.pcep.server.PcepAnnotationKeys; |
| import org.onosproject.pcep.server.PcepClient; |
| import org.onosproject.pcep.server.PcepClientController; |
| import org.onosproject.pcep.server.SrpIdGenerators; |
| import org.onosproject.pcepio.exceptions.PcepParseException; |
| import org.onosproject.pcepio.protocol.PcepAttribute; |
| import org.onosproject.pcepio.protocol.PcepBandwidthObject; |
| import org.onosproject.pcepio.protocol.PcepEroObject; |
| import org.onosproject.pcepio.protocol.PcepLabelObject; |
| import org.onosproject.pcepio.protocol.PcepLabelUpdate; |
| import org.onosproject.pcepio.protocol.PcepLabelUpdateMsg; |
| import org.onosproject.pcepio.protocol.PcepLspObject; |
| import org.onosproject.pcepio.protocol.PcepMsgPath; |
| import org.onosproject.pcepio.protocol.PcepSrpObject; |
| import org.onosproject.pcepio.protocol.PcepUpdateMsg; |
| import org.onosproject.pcepio.protocol.PcepUpdateRequest; |
| import org.onosproject.pcepio.types.IPv4SubObject; |
| import org.onosproject.pcepio.types.NexthopIPv4addressTlv; |
| import org.onosproject.pcepio.types.PathSetupTypeTlv; |
| import org.onosproject.pcepio.types.PcepLabelDownload; |
| import org.onosproject.pcepio.types.PcepValueType; |
| import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv; |
| import org.onosproject.pcepio.types.SymbolicPathNameTlv; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.Path; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.collect.ArrayListMultimap; |
| import com.google.common.collect.Multimap; |
| |
| import static org.onosproject.pcep.server.PcepAnnotationKeys.BANDWIDTH; |
| import static org.onosproject.pcep.server.PcepAnnotationKeys.LSP_SIG_TYPE; |
| import static org.onosproject.pcep.server.PcepAnnotationKeys.PCE_INIT; |
| import static org.onosproject.pcep.server.PcepAnnotationKeys.DELEGATE; |
| |
| /** |
| * Basic PCECC handler. |
| * In Basic PCECC, after path computation will configure IN and OUT label to nodes. |
| * [X]OUT---link----IN[Y]OUT---link-----IN[Z] where X, Y and Z are nodes. |
| * For generating labels, will go thorough links in the path from Egress to Ingress. |
| * In each link, will take label from destination node local pool as IN label, |
| * and assign this label as OUT label to source node. |
| */ |
| public final class BasicPceccHandler { |
| private static final Logger log = LoggerFactory.getLogger(BasicPceccHandler.class); |
| public static final int OUT_LABEL_TYPE = 0; |
| public static final int IN_LABEL_TYPE = 1; |
| public static final long IDENTIFIER_SET = 0x100000000L; |
| public static final long SET = 0xFFFFFFFFL; |
| private static final String LSRID = "lsrId"; |
| private static final String LABEL_RESOURCE_SERVICE_NULL = "Label Resource Service cannot be null"; |
| private static final String PCE_STORE_NULL = "PCE Store cannot be null"; |
| private static BasicPceccHandler crHandlerInstance = null; |
| private LabelResourceService labelRsrcService; |
| private DeviceService deviceService; |
| private PceLabelStore pceStore; |
| private PcepClientController clientController; |
| private PcepLabelObject labelObj; |
| |
| /** |
| * Initializes default values. |
| */ |
| private BasicPceccHandler() { |
| } |
| |
| /** |
| * Returns single instance of this class. |
| * |
| * @return this class single instance |
| */ |
| public static BasicPceccHandler getInstance() { |
| if (crHandlerInstance == null) { |
| crHandlerInstance = new BasicPceccHandler(); |
| } |
| return crHandlerInstance; |
| } |
| |
| /** |
| * Initialization of label manager and pce store. |
| * |
| * @param labelRsrcService label resource service |
| * @param deviceService device service |
| * @param pceStore pce label store |
| * @param clientController client controller |
| */ |
| public void initialize(LabelResourceService labelRsrcService, |
| DeviceService deviceService, |
| PceLabelStore pceStore, |
| PcepClientController clientController) { |
| this.labelRsrcService = labelRsrcService; |
| this.deviceService = deviceService; |
| this.pceStore = pceStore; |
| this.clientController = clientController; |
| } |
| |
| /** |
| * Allocates labels from local resource pool and configure these (IN and OUT) labels into devices. |
| * |
| * @param tunnel tunnel between ingress to egress |
| * @return success or failure |
| */ |
| public boolean allocateLabel(Tunnel tunnel) { |
| long applyNum = 1; |
| boolean isLastLabelToPush = false; |
| Collection<LabelResource> labelRscList; |
| |
| checkNotNull(labelRsrcService, LABEL_RESOURCE_SERVICE_NULL); |
| checkNotNull(pceStore, PCE_STORE_NULL); |
| |
| List<Link> linkList = tunnel.path().links(); |
| if ((linkList != null) && (!linkList.isEmpty())) { |
| // Sequence through reverse order to push local labels into devices |
| // Generation of labels from egress to ingress |
| for (ListIterator<Link> iterator = linkList.listIterator(linkList.size()); iterator.hasPrevious();) { |
| Link link = iterator.previous(); |
| DeviceId dstDeviceId = link.dst().deviceId(); |
| DeviceId srcDeviceId = link.src().deviceId(); |
| labelRscList = labelRsrcService.applyFromDevicePool(dstDeviceId, applyNum); |
| if ((labelRscList != null) && (!labelRscList.isEmpty())) { |
| // Link label value is taken from destination device local pool. |
| // [X]OUT---link----IN[Y]OUT---link-----IN[Z] where X, Y and Z are nodes. |
| // Link label value is used as OUT and IN for both ends |
| // (source and destination devices) of the link. |
| // Currently only one label is allocated to a device (destination device). |
| // So, no need to iterate through list |
| Iterator<LabelResource> labelIterator = labelRscList.iterator(); |
| DefaultLabelResource defaultLabelResource = (DefaultLabelResource) labelIterator.next(); |
| LabelResourceId labelId = defaultLabelResource.labelResourceId(); |
| log.debug("Allocated local label: " + labelId.toString() |
| + "to device: " + defaultLabelResource.deviceId().toString()); |
| PortNumber dstPort = link.dst().port(); |
| |
| // Check whether this is last link label to push |
| if (!iterator.hasPrevious()) { |
| isLastLabelToPush = true; |
| } |
| |
| try { |
| // Push into destination device |
| // Destination device IN port is link.dst().port() |
| pushLocalLabels(dstDeviceId, labelId, dstPort, tunnel, false, |
| Long.valueOf(LabelType.IN_LABEL.value), PcepLabelOp.ADD); |
| |
| // Push into source device |
| // Source device OUT port will be link.dst().port(). Means its remote port used to send packet. |
| pushLocalLabels(srcDeviceId, labelId, dstPort, tunnel, isLastLabelToPush, |
| Long.valueOf(LabelType.OUT_LABEL.value), PcepLabelOp.ADD); |
| } catch (PcepParseException e) { |
| log.error("Failed to push local label for device {} or {} for tunnel {}.", |
| dstDeviceId.toString(), srcDeviceId.toString(), tunnel.tunnelName().toString()); |
| } |
| |
| // Add or update pcecc tunnel info in pce store. |
| updatePceccTunnelInfoInStore(srcDeviceId, dstDeviceId, labelId, dstPort, |
| tunnel); |
| } else { |
| log.error("Unable to allocate label to device id {}.", dstDeviceId.toString()); |
| releaseLabel(tunnel); |
| return false; |
| } |
| } |
| } else { |
| log.error("Tunnel {} is having empty links.", tunnel.toString()); |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Updates list of local labels of PCECC tunnel info in pce store. |
| * |
| * @param srcDeviceId source device in a link |
| * @param dstDeviceId destination device in a link |
| * @param labelId label id of a link |
| * @param dstPort destination device port number of a link |
| * @param tunnel tunnel |
| */ |
| public void updatePceccTunnelInfoInStore(DeviceId srcDeviceId, DeviceId dstDeviceId, LabelResourceId labelId, |
| PortNumber dstPort, Tunnel tunnel) { |
| // First try to retrieve device from store and update its label id if it is exists, |
| // otherwise add it |
| boolean dstDeviceUpdated = false; |
| boolean srcDeviceUpdated = false; |
| |
| List<LspLocalLabelInfo> lspLabelInfoList = pceStore.getTunnelInfo(tunnel.tunnelId()); |
| if ((lspLabelInfoList != null) && (!lspLabelInfoList.isEmpty())) { |
| for (int i = 0; i < lspLabelInfoList.size(); ++i) { |
| LspLocalLabelInfo lspLocalLabelInfo = |
| lspLabelInfoList.get(i); |
| LspLocalLabelInfo.Builder lspLocalLabelInfoBuilder = null; |
| if (dstDeviceId.equals(lspLocalLabelInfo.deviceId())) { |
| lspLocalLabelInfoBuilder = DefaultLspLocalLabelInfo.builder(lspLocalLabelInfo); |
| lspLocalLabelInfoBuilder.inLabelId(labelId); |
| // Destination device IN port will be link destination port |
| lspLocalLabelInfoBuilder.inPort(dstPort); |
| dstDeviceUpdated = true; |
| } else if (srcDeviceId.equals(lspLocalLabelInfo.deviceId())) { |
| lspLocalLabelInfoBuilder = DefaultLspLocalLabelInfo.builder(lspLocalLabelInfo); |
| lspLocalLabelInfoBuilder.outLabelId(labelId); |
| // Source device OUT port will be link destination (remote) port |
| lspLocalLabelInfoBuilder.outPort(dstPort); |
| srcDeviceUpdated = true; |
| } |
| |
| // Update |
| if ((lspLocalLabelInfoBuilder != null) && (dstDeviceUpdated || srcDeviceUpdated)) { |
| lspLabelInfoList.set(i, lspLocalLabelInfoBuilder.build()); |
| } |
| } |
| } |
| |
| // If it is not found in store then add it to store |
| if (!dstDeviceUpdated || !srcDeviceUpdated) { |
| // If tunnel info itself not available then create new one, otherwise add node to list. |
| if (lspLabelInfoList == null) { |
| lspLabelInfoList = new LinkedList<>(); |
| } |
| |
| if (!dstDeviceUpdated) { |
| LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder() |
| .deviceId(dstDeviceId) |
| .inLabelId(labelId) |
| .outLabelId(null) |
| .inPort(dstPort) // Destination device IN port will be link destination port |
| .outPort(null) |
| .build(); |
| lspLabelInfoList.add(lspLocalLabelInfo); |
| } |
| |
| if (!srcDeviceUpdated) { |
| LspLocalLabelInfo lspLocalLabelInfo = DefaultLspLocalLabelInfo.builder() |
| .deviceId(srcDeviceId) |
| .inLabelId(null) |
| .outLabelId(labelId) |
| .inPort(null) |
| .outPort(dstPort) // Source device OUT port will be link destination (remote) port |
| .build(); |
| lspLabelInfoList.add(lspLocalLabelInfo); |
| } |
| |
| pceStore.addTunnelInfo(tunnel.tunnelId(), lspLabelInfoList); |
| } |
| } |
| |
| /** |
| * Deallocates unused labels to device pools. |
| * |
| * @param tunnel tunnel between ingress to egress |
| */ |
| public void releaseLabel(Tunnel tunnel) { |
| |
| checkNotNull(labelRsrcService, LABEL_RESOURCE_SERVICE_NULL); |
| checkNotNull(pceStore, PCE_STORE_NULL); |
| |
| Multimap<DeviceId, LabelResource> release = ArrayListMultimap.create(); |
| List<LspLocalLabelInfo> lspLocalLabelInfoList = pceStore.getTunnelInfo(tunnel.tunnelId()); |
| if ((lspLocalLabelInfoList != null) && (!lspLocalLabelInfoList.isEmpty())) { |
| for (Iterator<LspLocalLabelInfo> iterator = lspLocalLabelInfoList.iterator(); iterator.hasNext();) { |
| LspLocalLabelInfo lspLocalLabelInfo = iterator.next(); |
| DeviceId deviceId = lspLocalLabelInfo.deviceId(); |
| LabelResourceId inLabelId = lspLocalLabelInfo.inLabelId(); |
| LabelResourceId outLabelId = lspLocalLabelInfo.outLabelId(); |
| PortNumber inPort = lspLocalLabelInfo.inPort(); |
| PortNumber outPort = lspLocalLabelInfo.outPort(); |
| |
| try { |
| // Push into device |
| if ((outLabelId != null) && (outPort != null)) { |
| pushLocalLabels(deviceId, outLabelId, outPort, tunnel, false, |
| Long.valueOf(LabelType.OUT_LABEL.value), PcepLabelOp.REMOVE); |
| } |
| |
| if ((inLabelId != null) && (inPort != null)) { |
| pushLocalLabels(deviceId, inLabelId, inPort, tunnel, false, |
| Long.valueOf(LabelType.IN_LABEL.value), PcepLabelOp.REMOVE); |
| } |
| } catch (PcepParseException e) { |
| log.error("Failed to push local label for device {}for tunnel {}.", deviceId.toString(), |
| tunnel.tunnelName().toString()); |
| } |
| |
| // List is stored from egress to ingress. So, using IN label id to release. |
| // Only one local label is assigned to device (destination node) |
| // and that is used as OUT label for source node. |
| // No need to release label for last node in the list from pool because label was not allocated to |
| // ingress node (source node). |
| if ((iterator.hasNext()) && (inLabelId != null)) { |
| LabelResource labelRsc = new DefaultLabelResource(deviceId, inLabelId); |
| release.put(deviceId, labelRsc); |
| } |
| } |
| } |
| |
| // Release from label pool |
| if (!release.isEmpty()) { |
| labelRsrcService.releaseToDevicePool(release); |
| } |
| |
| pceStore.removeTunnelInfo(tunnel.tunnelId()); |
| } |
| |
| //Pushes local labels to the device which is specific to path [CR-case]. |
| private void pushLocalLabels(DeviceId deviceId, LabelResourceId labelId, |
| PortNumber portNum, Tunnel tunnel, |
| Boolean isBos, Long labelType, PcepLabelOp type) throws PcepParseException { |
| |
| checkNotNull(deviceId); |
| checkNotNull(labelId); |
| checkNotNull(portNum); |
| checkNotNull(tunnel); |
| checkNotNull(labelType); |
| checkNotNull(type); |
| |
| PcepClient pc = getPcepClient(deviceId); |
| if (pc == null) { |
| log.error("PCEP client not found"); |
| return; |
| } |
| |
| PcepLspObject lspObj; |
| LinkedList<PcepLabelUpdate> labelUpdateList = new LinkedList<>(); |
| LinkedList<PcepLabelObject> labelObjects = new LinkedList<>(); |
| PcepSrpObject srpObj; |
| PcepLabelDownload labelDownload = new PcepLabelDownload(); |
| LinkedList<PcepValueType> optionalTlv = new LinkedList<>(); |
| |
| long portNo = portNum.toLong(); |
| portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| |
| optionalTlv.add(NexthopIPv4addressTlv.of((int) portNo)); |
| |
| PcepLabelObject labelObj = pc.factory().buildLabelObject() |
| .setOFlag(labelType == OUT_LABEL_TYPE ? true : false) |
| .setOptionalTlv(optionalTlv) |
| .setLabel((int) labelId.labelId()) |
| .build(); |
| |
| /** |
| * Check whether transit node or not. For transit node, label update message should include IN and OUT labels. |
| * Hence store IN label object and next when out label comes add IN and OUT label objects and encode label |
| * update message and send to specified client. |
| */ |
| if (!deviceId.equals(tunnel.path().src().deviceId()) && !deviceId.equals(tunnel.path().dst().deviceId())) { |
| //Device is transit node |
| if (labelType == OUT_LABEL_TYPE) { |
| //Store label object having IN label value |
| this.labelObj = labelObj; |
| return; |
| } |
| //Add IN label object |
| labelObjects.add(this.labelObj); |
| } |
| |
| //Add OUT label object in case of transit node |
| labelObjects.add(labelObj); |
| |
| srpObj = getSrpObject(pc, type, false); |
| |
| String lspId = tunnel.annotations().value(PcepAnnotationKeys.LOCAL_LSP_ID); |
| String plspId = tunnel.annotations().value(PcepAnnotationKeys.PLSP_ID); |
| String tunnelIdentifier = tunnel.annotations().value(PcepAnnotationKeys.PCC_TUNNEL_ID); |
| |
| LinkedList<PcepValueType> tlvs = new LinkedList<>(); |
| StatefulIPv4LspIdentifiersTlv lspIdTlv = new StatefulIPv4LspIdentifiersTlv(((IpTunnelEndPoint) tunnel.src()) |
| .ip().getIp4Address().toInt(), Short.valueOf(lspId), Short.valueOf(tunnelIdentifier), |
| ((IpTunnelEndPoint) tunnel.src()).ip().getIp4Address().toInt(), |
| ((IpTunnelEndPoint) tunnel.dst()).ip().getIp4Address().toInt()); |
| tlvs.add(lspIdTlv); |
| |
| if (tunnel.tunnelName().value() != null) { |
| SymbolicPathNameTlv pathNameTlv = new SymbolicPathNameTlv(tunnel.tunnelName().value().getBytes()); |
| tlvs.add(pathNameTlv); |
| } |
| |
| boolean delegated = (tunnel.annotations().value(DELEGATE) == null) ? false |
| : Boolean.valueOf(tunnel.annotations() |
| .value(DELEGATE)); |
| boolean initiated = (tunnel.annotations().value(PCE_INIT) == null) ? false |
| : Boolean.valueOf(tunnel.annotations() |
| .value(PCE_INIT)); |
| |
| lspObj = pc.factory().buildLspObject() |
| .setRFlag(false) |
| .setAFlag(true) |
| .setDFlag(delegated) |
| .setCFlag(initiated) |
| .setPlspId(Integer.valueOf(plspId)) |
| .setOptionalTlv(tlvs) |
| .build(); |
| |
| labelDownload.setLabelList(labelObjects); |
| labelDownload.setLspObject(lspObj); |
| labelDownload.setSrpObject(srpObj); |
| |
| labelUpdateList.add(pc.factory().buildPcepLabelUpdateObject() |
| .setLabelDownload(labelDownload) |
| .build()); |
| |
| PcepLabelUpdateMsg labelMsg = pc.factory().buildPcepLabelUpdateMsg() |
| .setPcLabelUpdateList(labelUpdateList) |
| .build(); |
| |
| pc.sendMessage(labelMsg); |
| |
| //If isBos is true, label download is done along the LSP, send PCEP update message. |
| if (isBos) { |
| sendPcepUpdateMsg(pc, lspObj, tunnel); |
| } |
| } |
| |
| //Sends PCEP update message. |
| private void sendPcepUpdateMsg(PcepClient pc, PcepLspObject lspObj, Tunnel tunnel) throws PcepParseException { |
| LinkedList<PcepUpdateRequest> updateRequestList = new LinkedList<>(); |
| LinkedList<PcepValueType> subObjects = createEroSubObj(tunnel.path()); |
| |
| if (subObjects == null) { |
| log.error("ERO subjects not present"); |
| return; |
| } |
| |
| // set PathSetupTypeTlv of SRP object |
| LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>(); |
| LspType lspSigType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)); |
| llOptionalTlv.add(new PathSetupTypeTlv(lspSigType.type())); |
| |
| PcepSrpObject srpObj = pc.factory().buildSrpObject() |
| .setRFlag(false) |
| .setSrpID(SrpIdGenerators.create()) |
| .setOptionalTlv(llOptionalTlv) |
| .build(); |
| |
| PcepEroObject eroObj = pc.factory().buildEroObject() |
| .setSubObjects(subObjects) |
| .build(); |
| |
| float iBandwidth = 0; |
| if (tunnel.annotations().value(BANDWIDTH) != null) { |
| //iBandwidth = Float.floatToIntBits(Float.parseFloat(tunnel.annotations().value(BANDWIDTH))); |
| iBandwidth = Float.parseFloat(tunnel.annotations().value(BANDWIDTH)); |
| } |
| // build bandwidth object |
| PcepBandwidthObject bandwidthObject = pc.factory().buildBandwidthObject() |
| .setBandwidth(iBandwidth) |
| .build(); |
| // build pcep attribute |
| PcepAttribute pcepAttribute = pc.factory().buildPcepAttribute() |
| .setBandwidthObject(bandwidthObject) |
| .build(); |
| |
| PcepMsgPath msgPath = pc.factory().buildPcepMsgPath() |
| .setEroObject(eroObj) |
| .setPcepAttribute(pcepAttribute) |
| .build(); |
| |
| PcepUpdateRequest updateReq = pc.factory().buildPcepUpdateRequest() |
| .setSrpObject(srpObj) |
| .setMsgPath(msgPath) |
| .setLspObject(lspObj) |
| .build(); |
| |
| updateRequestList.add(updateReq); |
| |
| //TODO: P = 1 is it P flag in PCEP obj header |
| PcepUpdateMsg updateMsg = pc.factory().buildUpdateMsg() |
| .setUpdateRequestList(updateRequestList) |
| .build(); |
| |
| pc.sendMessage(updateMsg); |
| } |
| |
| private LinkedList<PcepValueType> createEroSubObj(Path path) { |
| LinkedList<PcepValueType> subObjects = new LinkedList<>(); |
| List<Link> links = path.links(); |
| ConnectPoint source = null; |
| ConnectPoint destination = null; |
| IpAddress ipDstAddress = null; |
| IpAddress ipSrcAddress = null; |
| PcepValueType subObj = null; |
| long portNo; |
| |
| for (Link link : links) { |
| source = link.src(); |
| if (!(source.equals(destination))) { |
| //set IPv4SubObject for ERO object |
| portNo = source.port().toLong(); |
| portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| ipSrcAddress = Ip4Address.valueOf((int) portNo); |
| subObj = new IPv4SubObject(ipSrcAddress.getIp4Address().toInt()); |
| subObjects.add(subObj); |
| } |
| |
| destination = link.dst(); |
| portNo = destination.port().toLong(); |
| portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| ipDstAddress = Ip4Address.valueOf((int) portNo); |
| subObj = new IPv4SubObject(ipDstAddress.getIp4Address().toInt()); |
| subObjects.add(subObj); |
| } |
| return subObjects; |
| } |
| |
| private PcepSrpObject getSrpObject(PcepClient pc, PcepLabelOp type, boolean bSFlag) |
| throws PcepParseException { |
| PcepSrpObject srpObj; |
| boolean bRFlag = false; |
| |
| if (!type.equals(PcepLabelOp.ADD)) { |
| // To cleanup labels, R bit is set |
| bRFlag = true; |
| } |
| |
| srpObj = pc.factory().buildSrpObject() |
| .setRFlag(bRFlag) |
| .setSFlag(bSFlag) |
| .setSrpID(SrpIdGenerators.create()) |
| .build(); |
| |
| return srpObj; |
| } |
| |
| /** |
| * Returns PCEP client. |
| * |
| * @return PCEP client |
| */ |
| private PcepClient getPcepClient(DeviceId deviceId) { |
| Device device = deviceService.getDevice(deviceId); |
| |
| // In future projections instead of annotations will be used to fetch LSR ID. |
| String lsrId = device.annotations().value(LSRID); |
| PcepClient pcc = clientController.getClient(PccId.pccId(IpAddress.valueOf(lsrId))); |
| return pcc; |
| } |
| } |