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