pce/src/main/java/org/opendaylight/transportpce/pce/PcePathDescription.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 com.google.common.collect.ImmutableList;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Map;
  15
  16 import org.opendaylight.transportpce.common.ResponseCodes;
  17 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.AToZDirectionBuilder;
  18 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.ZToADirectionBuilder;
  19 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.atoz.direction.AToZ;
  20 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.atoz.direction.AToZBuilder;
  21 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.atoz.direction.AToZKey;
  22 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.ztoa.direction.ZToA;
  23 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.ztoa.direction.ZToABuilder;
  24 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.ztoa.direction.ZToAKey;
  25 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.Resource;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.ResourceBuilder;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.LinkBuilder;
  28 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.NodeBuilder;
  29 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.TerminationPoint;
  30 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.TerminationPointBuilder;
  31 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.link.LinkIdentifierBuilder;
  32 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.node.NodeIdentifierBuilder;
  33 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.termination.point.TerminationPointIdentifierBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev150608.LinkId;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public class PcePathDescription {
  39     /* Logging. */
  40     private static final Logger LOG = LoggerFactory.getLogger(PceCalculation.class);
  41
  42     private List<PceLink> pathAtoZ = null;
  43     private PceResult rc;
  44
  45     public PceResult getReturnStructure() {
  46         return rc;
  47     }
  48
  49     private Map<LinkId, PceLink> allPceLinks = null;
  50
  51     private List<PceLink> pathZtoA = null;
  52
  53     public PcePathDescription(List<PceLink> pathAtoZ, Map<LinkId, PceLink> allPceLinks, PceResult rc) {
  54         super();
  55         this.allPceLinks = allPceLinks;
  56         this.pathAtoZ = pathAtoZ;
  57         this.rc = rc;
  58     }
  59
  60     public PceResult buildDescriptions() {
  61         LOG.info("In buildDescriptions: AtoZ {}", pathAtoZ.toString());
  62         List<AToZ> atozList = new ArrayList<AToZ>();
  63         if (pathAtoZ == null) {
  64             rc.setRC(ResponseCodes.RESPONSE_FAILED);
  65             LOG.error("In buildDescriptions: there is empty AtoZ path");
  66             return rc;
  67         }
  68
  69         buildAtoZ(atozList, pathAtoZ);
  70
  71         rc.setAtoZDirection(new AToZDirectionBuilder().setRate(rc.getRate())
  72                 .setAToZWavelengthNumber(rc.getResultWavelength()).setAToZ(atozList).build());
  73
  74         pathZtoA = ImmutableList.copyOf(pathAtoZ).reverse();
  75         LOG.info("In buildDescriptions: ZtoA {}", pathZtoA.toString());
  76
  77         List<ZToA> ztoaList = new ArrayList<ZToA>();
  78         if (pathZtoA == null) {
  79             rc.setRC(ResponseCodes.RESPONSE_FAILED);
  80             LOG.error("In buildDescriptions: there is empty ZtoA path");
  81             return rc;
  82         }
  83         buildZtoA(ztoaList, pathZtoA);
  84
  85         rc.setZtoADirection(new ZToADirectionBuilder().setRate(rc.getRate())
  86                 .setZToAWavelengthNumber(rc.getResultWavelength()).setZToA(ztoaList).build());
  87
  88         return rc;
  89     }
  90
  91     private void buildAtoZ(List<AToZ> etoeList, List<PceLink> path) {
  92
  93         Integer index = 0;
  94         PceLink lastLink = null;
  95         AToZ lastResource = null;
  96
  97         // build A side Client TP
  98         String tpName = path.get(0).getClient();
  99         String xname = path.get(0).getSourceId().getValue();
 100         TerminationPoint stp = new TerminationPointBuilder()
 101                 .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 102                         .setNodeId(xname).setTpId(tpName).build())
 103                 .build();
 104
 105         AToZKey clientKey = new AToZKey(index.toString());
 106         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 107         AToZ firstResource = new AToZBuilder().setId(tpName).setKey(clientKey).setResource(clientResource).build();
 108         etoeList.add(firstResource);
 109
 110         index++;
 111
 112         for (PceLink pcelink : path) {
 113
 114             String srcName = pcelink.getSourceId().getValue();
 115
 116             // Nodes
 117             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce
 118                 .resource.resource.resource.Node sourceNode = new NodeBuilder()
 119                 .setNodeIdentifier(new NodeIdentifierBuilder().setNodeId(srcName).build())
 120                 .build();
 121
 122             // Source Resource
 123             AToZKey sourceKey = new AToZKey(index.toString());
 124             Resource nodeResource1 = new ResourceBuilder().setResource(sourceNode).build();
 125             AToZ srcResource = new AToZBuilder().setId(srcName).setKey(sourceKey).setResource(nodeResource1).build();
 126             index++;
 127             etoeList.add(srcResource);
 128
 129             // source TP
 130             tpName = pcelink.getSourceTP().toString();
 131             stp = new TerminationPointBuilder()
 132                     .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 133                             .setNodeId(srcName).setTpId(tpName).build())
 134                     .build();
 135
 136             // Resource
 137             AToZKey srcTPKey = new AToZKey(index.toString());// tpName);
 138             Resource tpResource1 = new ResourceBuilder().setResource(stp).build();
 139             AToZ stpResource = new AToZBuilder().setId(tpName).setKey(srcTPKey).setResource(tpResource1).build();
 140             index++;
 141             etoeList.add(stpResource);
 142
 143             String linkName = pcelink.getLinkId().getValue();
 144             // Link
 145             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce
 146                 .resource.resource.resource.Link atozLink = new LinkBuilder()
 147                 .setLinkIdentifier(new LinkIdentifierBuilder().setLinkId(linkName).build())
 148                 .build();
 149
 150             // Link Resource
 151             AToZKey linkKey = new AToZKey(index.toString());
 152             Resource nodeResource2 = new ResourceBuilder().setResource(atozLink).build();
 153             AToZ linkResource = new AToZBuilder().setId(linkName).setKey(linkKey).setResource(nodeResource2).build();
 154             index++;
 155             etoeList.add(linkResource);
 156
 157             String destName = pcelink.getDestId().getValue();
 158             // target TP
 159             tpName = pcelink.getDestTP().toString();
 160             TerminationPoint dtp = new TerminationPointBuilder()
 161                     .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 162                             .setNodeId(destName).setTpId(tpName).build())
 163                     .build();
 164
 165             // Resource
 166             AToZKey destTPKey = new AToZKey(index.toString());
 167             Resource tpResource2 = new ResourceBuilder().setResource(dtp).build();
 168             AToZ ttpResource = new AToZBuilder().setId(tpName).setKey(destTPKey).setResource(tpResource2).build();
 169             index++;
 170             etoeList.add(ttpResource);
 171
 172             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce
 173                 .resource.resource.resource.Node targetNode = new NodeBuilder()
 174                 .setNodeIdentifier(new NodeIdentifierBuilder().setNodeId(destName).build())
 175                 .build();
 176
 177             // Target Resource
 178             AToZKey targetKey = new AToZKey(index.toString());
 179             Resource nodeResource3 = new ResourceBuilder().setResource(targetNode).build();
 180             lastResource = new AToZBuilder().setId(destName).setKey(targetKey).setResource(nodeResource3).build();
 181
 182             lastLink = pcelink;
 183         }
 184
 185         etoeList.add(lastResource);
 186
 187         // build Z side Client TP
 188         tpName = lastLink.getClient();
 189         xname = lastLink.getDestId().getValue();
 190         stp = new TerminationPointBuilder()
 191                 .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 192                         .setNodeId(xname).setTpId(tpName).build())
 193                 .build();
 194
 195
 196         index++;
 197         clientKey = new AToZKey(index.toString());
 198         clientResource = new ResourceBuilder().setResource(stp).build();
 199         lastResource = new AToZBuilder().setId(tpName).setKey(clientKey).setResource(clientResource).build();
 200         etoeList.add(lastResource);
 201
 202     }
 203
 204     private void buildZtoA(List<ZToA> etoelist, List<PceLink> path) {
 205         Integer index = 0;
 206         PceLink lastLink = null;
 207         ZToA lastResource = null;
 208
 209         // build Z size Client TP
 210         PceLink pcelink = allPceLinks.get(path.get(0).getOppositeLink());
 211         String tpName = pcelink.getClient();
 212         String xname = pcelink.getSourceId().getValue();
 213         TerminationPoint stp = new TerminationPointBuilder()
 214                 .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 215                         .setNodeId(xname).setTpId(tpName).build())
 216                 .build();
 217
 218         ZToAKey clientKey = new ZToAKey(index.toString());
 219         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 220         ZToA firstResource = new ZToABuilder().setId(tpName).setKey(clientKey).setResource(clientResource).build();
 221         etoelist.add(firstResource);
 222         index++;
 223
 224         for (PceLink pcelinkAtoZ : path) {
 225
 226             pcelink = allPceLinks.get(pcelinkAtoZ.getOppositeLink());
 227             LOG.debug("link to oppsite: {} to {}", pcelinkAtoZ.toString(), pcelink.toString());
 228
 229             String srcName = pcelink.getSourceId().getValue();
 230
 231
 232             // Nodes
 233             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce
 234                 .resource.resource.resource.Node sourceNode = new NodeBuilder()
 235                 .setNodeIdentifier(new NodeIdentifierBuilder().setNodeId(srcName).build()).build();
 236
 237
 238
 239             // Source Resource
 240             ZToAKey sourceKey = new ZToAKey(index.toString());
 241             Resource nodeResource1 = new ResourceBuilder().setResource(sourceNode).build();
 242             ZToA srcResource = new ZToABuilder().setId(srcName).setKey(sourceKey).setResource(nodeResource1).build();
 243             index++;
 244             etoelist.add(srcResource);
 245
 246             // source TP
 247             tpName = pcelink.getSourceTP().toString();
 248             stp = new TerminationPointBuilder()
 249                     .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 250                             .setNodeId(srcName).setTpId(tpName).build())
 251                     .build();
 252
 253             // Resource
 254             ZToAKey srcTPKey = new ZToAKey(index.toString());
 255             Resource tpResource1 = new ResourceBuilder().setResource(stp).build();
 256             ZToA stpResource = new ZToABuilder().setId(tpName).setKey(srcTPKey).setResource(tpResource1).build();
 257             index++;
 258             etoelist.add(stpResource);
 259
 260             String linkName = pcelink.getLinkId().getValue();
 261             // Link
 262             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce
 263                 .resource.resource.resource.Link ztoaLink = new LinkBuilder()
 264                 .setLinkIdentifier(new LinkIdentifierBuilder().setLinkId(linkName).build()).build();
 265
 266             // Link Resource
 267             ZToAKey linkKey = new ZToAKey(index.toString());
 268             Resource nodeResource2 = new ResourceBuilder().setResource(ztoaLink).build();
 269             ZToA linkResource = new ZToABuilder().setId(linkName).setKey(linkKey).setResource(nodeResource2).build();
 270             index++;
 271             etoelist.add(linkResource);
 272
 273             String destName = pcelink.getDestId().getValue();
 274             // target TP
 275             tpName = pcelink.getDestTP().toString();
 276             TerminationPoint ttp = new TerminationPointBuilder()
 277                     .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 278                             .setNodeId(destName).setTpId(tpName).build())
 279                     .build();
 280
 281             // Resource
 282             ZToAKey destTPKey = new ZToAKey(index.toString());
 283             Resource tpResource2 = new ResourceBuilder().setResource(ttp).build();
 284             ZToA ttpResource = new ZToABuilder().setId(tpName).setKey(destTPKey).setResource(tpResource2).build();
 285             index++;
 286             etoelist.add(ttpResource);
 287
 288
 289             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce
 290                 .resource.resource.resource.Node targetNode = new NodeBuilder()
 291                 .setNodeIdentifier(new NodeIdentifierBuilder().setNodeId(destName).build()).build();
 292             // Target Resource
 293             ZToAKey targetKey = new ZToAKey(index.toString());
 294             Resource nodeResource3 = new ResourceBuilder().setResource(targetNode).build();
 295             lastResource = new ZToABuilder().setId(destName).setKey(targetKey).setResource(nodeResource3).build();
 296
 297             lastLink = pcelink;
 298         }
 299         etoelist.add(lastResource);
 300
 301         // build Z side Client TP
 302         tpName = lastLink.getClient();
 303         xname = lastLink.getDestId().getValue();
 304         stp = new TerminationPointBuilder()
 305                 .setTerminationPointIdentifier(new TerminationPointIdentifierBuilder()
 306                         .setNodeId(xname).setTpId(tpName).build())
 307                 .build();
 308
 309
 310         index++;
 311         clientKey = new ZToAKey(index.toString());
 312         clientResource = new ResourceBuilder().setResource(stp).build();
 313         lastResource = new ZToABuilder().setId(tpName).setKey(clientKey).setResource(clientResource).build();
 314         etoelist.add(lastResource);
 315
 316     }
 317
 318 }