pce/src/main/java/org/opendaylight/transportpce/pce/PceNode.java

   1 /*
   2  * Copyright © 2017 AT&T, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.pce;
   9
  10 import java.util.ArrayList;
  11 import java.util.HashMap;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.Optional;
  15 import java.util.TreeMap;
  16
  17 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Node1;
  18 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.TerminationPoint1;
  19 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.pp.attributes.UsedWavelength;
  20 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmNodeType;
  21 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmTpType;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 public class PceNode {
  28     /* Logging. */
  29     private static final Logger LOG = LoggerFactory.getLogger(PceCalculation.class);
  30     ////////////////////////// NODES ///////////////////////////
  31     /*
  32      */
  33     private boolean valid = true;
  34     private final Node node;
  35     private final NodeId nodeId;
  36     private final OpenroadmNodeType nodeType;
  37     // wavelength calculation per node type
  38     private List<Long> availableWLindex = new ArrayList<Long>();
  39     private Map<String, OpenroadmTpType> availableSrgPp = new TreeMap<String, OpenroadmTpType>();
  40     private Map<String, OpenroadmTpType> availableSrgCp = new TreeMap<String, OpenroadmTpType>();
  41     private List<String> usedXpndrNWTps = new ArrayList<String>();
  42     private List<PceLink> outgoingLinks = new ArrayList<PceLink>();
  43     private Map<String, String> clientPerNwTp = new HashMap<String, String>();
  44
  45     public PceNode(Node node, OpenroadmNodeType nodeType, NodeId nodeId) {
  46         this.node = node;
  47         this.nodeId = nodeId;
  48         this.nodeType = nodeType;
  49         if ((node == null) || (nodeId == null) || (nodeType == null)) {
  50             LOG.error("PceNode: one of parameters is not populated : nodeId, node type");
  51             this.valid = false;
  52         }
  53     }
  54
  55     public void initSrgTps() {
  56         this.availableSrgPp.clear();
  57         this.availableSrgCp.clear();
  58         if (!isValid()) {
  59             return;
  60         }
  61         LOG.info("initSrgTpList: getting SRG tps from ROADM node {}", this.nodeId);
  62         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Node1 nodeTp =
  63                 this.node.augmentation(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology
  64                                 .rev180226.Node1.class);
  65         List<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network
  66             .node.TerminationPoint> allTps =
  67                 nodeTp.getTerminationPoint();
  68         if (allTps == null) {
  69             LOG.error("initSrgTpList: ROADM TerminationPoint list is empty for node {}", this.toString());
  70             this.valid = false;
  71             return;
  72         }
  73         for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network
  74             .node.TerminationPoint tp : allTps) {
  75             TerminationPoint1 tp1 = tp.augmentation(TerminationPoint1.class);
  76             OpenroadmTpType type = tp1.getTpType();
  77             switch (type) {
  78                 case SRGTXRXCP:
  79                 case SRGRXCP:
  80                 case SRGTXCP:
  81                     LOG.info("initSrgTpList: adding SRG-CP tp = {} ", tp.getTpId().getValue());
  82                     this.availableSrgCp.put(tp.getTpId().getValue(), tp1.getTpType());
  83                     break;
  84                 case SRGRXPP:
  85                 case SRGTXPP:
  86                 case SRGTXRXPP:
  87                     boolean used = true;
  88                     LOG.info("initSrgTpList: SRG-PP tp = {} found", tp.getTpId().getValue());
  89                     try {
  90                         List<UsedWavelength> usedWavelengths = tp1.getPpAttributes().getUsedWavelength();
  91                         if (usedWavelengths.isEmpty()) {
  92                             used = false;
  93                         }
  94                     } catch (NullPointerException e) {
  95                         LOG.warn("initSrgTpList: 'usedWavelengths' for tp={} is null !", tp.getTpId().getValue());
  96                         used = false;
  97                     }
  98                     if (!used) {
  99                         LOG.info("initSrgTpList: adding SRG-PP tp '{}'", tp.getTpId().getValue());
 100                         this.availableSrgPp.put(tp.getTpId().getValue(), tp1.getTpType());
 101                     } else {
 102                         LOG.warn("initSrgTpList: SRG-PP tp = {} found is busy !!");
 103                     }
 104                     break;
 105                 default:
 106                     break;
 107             }
 108         }
 109         if (this.availableSrgPp.isEmpty() && this.availableSrgCp.isEmpty()) {
 110             LOG.error("initSrgTpList: ROADM SRG TerminationPoint list is empty for node {}", this.toString());
 111             this.valid = false;
 112             return;
 113         }
 114         LOG.info("initSrgTpList: availableSrgPp size = {} && availableSrgCp size = {} in {}", this.availableSrgPp
 115                 .size(), this.availableSrgCp.size(), this.toString());
 116         return;
 117     }
 118
 119     public void initWLlist() {
 120         this.availableWLindex.clear();
 121         if (!isValid()) {
 122             return;
 123         }
 124         Node1 node1 = this.node.augmentation(Node1.class);
 125         switch (this.nodeType) {
 126             case SRG :
 127                 List<org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev181130.srg.node.attributes
 128                     .AvailableWavelengths> srgAvailableWL =
 129                         node1.getSrgAttributes().getAvailableWavelengths();
 130                 if (srgAvailableWL == null) {
 131                     this.valid = false;
 132                     LOG.error("initWLlist: SRG AvailableWavelengths is empty for node  {}", this.toString());
 133                     return;
 134                 }
 135                 for (org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev181130.srg.node.attributes
 136                         .AvailableWavelengths awl : srgAvailableWL) {
 137                     this.availableWLindex.add(awl.getIndex());
 138                     LOG.debug("initWLlist: SRG next = {} in {}", awl.getIndex(), this.toString());
 139                 }
 140                 break;
 141             case DEGREE :
 142                 List<org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.node.attributes
 143                     .AvailableWavelengths> degAvailableWL = node1.getDegreeAttributes().getAvailableWavelengths();
 144                 if (degAvailableWL == null) {
 145                     this.valid = false;
 146                     LOG.error("initWLlist: DEG AvailableWavelengths is empty for node  {}", this.toString());
 147                     return;
 148                 }
 149                 for (org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.node.attributes
 150                             .AvailableWavelengths awl : degAvailableWL) {
 151                     this.availableWLindex.add(awl.getIndex());
 152                     LOG.debug("initWLlist: DEGREE next = {} in {}", awl.getIndex(), this.toString());
 153                 }
 154                 break;
 155             case XPONDER :
 156                 // HARD CODED 96
 157                 for (long i = 1; i <= 96; i++) {
 158                     this.availableWLindex.add(i);
 159                 }
 160                 break;
 161             default:
 162                 LOG.error("initWLlist: unsupported node type {} in node {}", this.nodeType, this.toString());
 163                 break;
 164         }
 165         if (this.availableWLindex.size() == 0) {
 166             LOG.debug("initWLlist: There are no available wavelengths in node {}", this.toString());
 167             this.valid = false;
 168         }
 169         LOG.debug("initWLlist: availableWLindex size = {} in {}", this.availableWLindex.size(), this.toString());
 170         return;
 171     }
 172
 173     public void initXndrTps() {
 174         LOG.info("initXndrTps for node : {}", this.nodeId);
 175         if (!isValid()) {
 176             return;
 177         }
 178         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Node1 nodeTp =
 179                 this.node.augmentation(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology
 180                         .rev180226.Node1.class);
 181         List<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network
 182             .node.TerminationPoint> allTps = nodeTp.getTerminationPoint();
 183         if (allTps == null) {
 184             this.valid = false;
 185             LOG.error("initXndrTps: XPONDER TerminationPoint list is empty for node {}", this.toString());
 186             return;
 187         }
 188         this.valid = false;
 189         for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network
 190             .node.TerminationPoint tp : allTps) {
 191             TerminationPoint1 tp1 = tp.augmentation(TerminationPoint1.class);
 192             if (tp1.getTpType() == OpenroadmTpType.XPONDERNETWORK) {
 193                 if (tp1.getXpdrNetworkAttributes().getWavelength() != null) {
 194                     this.usedXpndrNWTps.add(tp.getTpId().getValue());
 195                     LOG.debug("initXndrTps: XPONDER tp = {} is used", tp.getTpId().getValue());
 196                 } else {
 197                     this.valid = true;
 198                 }
 199                 // find Client of this network TP
 200                 String client = tp1.getXpdrNetworkAttributes().getTailEquipmentId();
 201                 if ((client.equals("")) || (client == null)) {
 202                     LOG.error("initXndrTps: XPONDER {} NW TP doesn't have defined Client {}", this.toString(), tp
 203                             .getTpId().getValue());
 204                     this.valid = false;
 205                 }
 206                 this.clientPerNwTp.put(tp.getTpId().getValue(), client);
 207             }
 208         }
 209         if (!isValid()) {
 210             LOG.error("initXndrTps: XPONDER doesn't have available wavelengths for node  {}", this.toString());
 211             return;
 212         }
 213     }
 214
 215     public String getRdmSrgClient(String tp, Boolean aend) {
 216         LOG.info("getRdmSrgClient: Getting PP client for tp '{}' on node : {}", tp, this.nodeId);
 217         OpenroadmTpType srgType = null;
 218         OpenroadmTpType cpType = this.availableSrgCp.get(tp);
 219         if (cpType == null) {
 220             LOG.error("getRdmSrgClient: tp {} not existed in SRG CPterminationPoint list");
 221             return null;
 222         }
 223         switch (cpType) {
 224             case SRGTXRXCP:
 225                 LOG.info("getRdmSrgClient: Getting BI Directional PP port ...");
 226                 srgType = OpenroadmTpType.SRGTXRXPP;
 227                 break;
 228             case SRGTXCP:
 229                 LOG.info("getRdmSrgClient: Getting UNI Rx PP port ...");
 230                 srgType = OpenroadmTpType.SRGRXPP;
 231                 break;
 232             case SRGRXCP:
 233                 LOG.info("getRdmSrgClient: Getting UNI Tx PP port ...");
 234                 srgType = OpenroadmTpType.SRGTXPP;
 235                 break;
 236             default:
 237                 break;
 238         }
 239         LOG.info("getRdmSrgClient:  Getting client PP for CP '{}'", tp);
 240         if (!this.availableSrgPp.isEmpty()) {
 241             Optional<String> client = null;
 242             final OpenroadmTpType openType = srgType;
 243             client = this.availableSrgPp.entrySet().stream().filter(pp -> pp.getValue().getName() == openType.getName())
 244                     .map(Map.Entry::getKey)
 245                     .sorted(new SortPortsByName())
 246                     .findFirst();
 247             if (!client.isPresent()) {
 248                 LOG.error("getRdmSrgClient: ROADM {} doesn't have PP Client for CP {}", this.toString(), tp);
 249                 return null;
 250             }
 251             LOG.info("getRdmSrgClient: client PP {} for CP {} found !", client, tp);
 252             return client.get();
 253         } else {
 254             LOG.error("getRdmSrgClient: SRG TerminationPoint PP list is not available for node {}", this.toString());
 255             return null;
 256         }
 257     }
 258
 259     public boolean checkTP(String tp) {
 260         return !(this.usedXpndrNWTps.contains(tp));
 261     }
 262
 263     public boolean checkWL(long index) {
 264         return (this.availableWLindex.contains(index));
 265     }
 266
 267     public boolean isValid() {
 268         return this.valid;
 269     }
 270
 271     public List<Long> getAvailableWLs() {
 272         return this.availableWLindex;
 273     }
 274
 275     public void addOutgoingLink(PceLink outLink) {
 276         this.outgoingLinks.add(outLink);
 277     }
 278
 279     public List<PceLink> getOutgoingLinks() {
 280         return this.outgoingLinks;
 281     }
 282
 283     public String getXpdrClient(String tp) {
 284         return this.clientPerNwTp.get(tp);
 285     }
 286
 287     @Override
 288     public String toString() {
 289         return "PceNode type=" + this.nodeType + " ID=" + this.nodeId.getValue();
 290     }
 291 }