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.transportpce.pce.networkanalyzer.PceLink;
  18 import org.opendaylight.transportpce.pce.networkanalyzer.PceResult;
  19 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.AToZDirectionBuilder;
  20 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ZToADirectionBuilder;
  21 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.atoz.direction.AToZ;
  22 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.atoz.direction.AToZBuilder;
  23 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.atoz.direction.AToZKey;
  24 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ztoa.direction.ZToA;
  25 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ztoa.direction.ZToABuilder;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ztoa.direction.ZToAKey;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.Resource;
  28 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.ResourceBuilder;
  29 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.LinkBuilder;
  30 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.NodeBuilder;
  31 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.TerminationPoint;
  32 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.TerminationPointBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 public class PcePathDescription {
  38     /* Logging. */
  39     private static final Logger LOG = LoggerFactory.getLogger(PcePathDescription.class);
  40
  41     private List<PceLink> pathAtoZ = null;
  42     private List<PceLink> pathZtoA = null;
  43     private PceResult rc;
  44     private Map<LinkId, PceLink> allPceLinks = null;
  45
  46     public PcePathDescription(List<PceLink> pathAtoZ, Map<LinkId, PceLink> allPceLinks, PceResult rc) {
  47         super();
  48         this.allPceLinks = allPceLinks;
  49         this.pathAtoZ = pathAtoZ;
  50         this.rc = rc;
  51     }
  52
  53     public PceResult buildDescriptions() {
  54         LOG.info("In buildDescriptions: AtoZ =  {}", pathAtoZ);
  55         List<AToZ> atozList = new ArrayList<>();
  56         if (pathAtoZ == null) {
  57             rc.setRC(ResponseCodes.RESPONSE_FAILED);
  58             LOG.error("In buildDescriptions: there is empty AtoZ path");
  59             return rc;
  60         }
  61
  62         buildAtoZ(atozList, pathAtoZ);
  63         AToZDirectionBuilder atoZDirectionBldr = new AToZDirectionBuilder()
  64             .setRate(rc.getRate())
  65             .setAToZ(atozList);
  66         if ("100GE".equals(rc.getServiceType()) || "OTU4".equals(rc.getServiceType())) {
  67             atoZDirectionBldr.setAToZWavelengthNumber(rc.getResultWavelength());
  68         } else if ("10GE".equals(rc.getServiceType()) || "1GE".equals(rc.getServiceType())
  69             || "ODU4".equals(rc.getServiceType())) {
  70             atoZDirectionBldr.setAToZWavelengthNumber(Long.valueOf(0));
  71         }
  72         rc.setAtoZDirection(atoZDirectionBldr.build());
  73         pathZtoA = ImmutableList.copyOf(pathAtoZ).reverse();
  74         LOG.info("In buildDescriptions: ZtoA {}", pathZtoA);
  75
  76         List<ZToA> ztoaList = new ArrayList<>();
  77         if (pathZtoA == null) {
  78             rc.setRC(ResponseCodes.RESPONSE_FAILED);
  79             LOG.error("In buildDescriptions: there is empty ZtoA path");
  80             return rc;
  81         }
  82         buildZtoA(ztoaList, pathZtoA);
  83         ZToADirectionBuilder ztoADirectionBldr = new ZToADirectionBuilder()
  84             .setRate(rc.getRate())
  85             .setZToA(ztoaList);
  86         if ("100GE".equals(rc.getServiceType()) || "OTU4".equals(rc.getServiceType())) {
  87             ztoADirectionBldr.setZToAWavelengthNumber(rc.getResultWavelength());
  88         } else if ("10GE".equals(rc.getServiceType()) || "1GE".equals(rc.getServiceType())
  89             || "ODU4".equals(rc.getServiceType())) {
  90             ztoADirectionBldr.setZToAWavelengthNumber(Long.valueOf(0));
  91         }
  92         rc.setZtoADirection(ztoADirectionBldr.build());
  93
  94         return rc;
  95     }
  96
  97     private void buildAtoZ(List<AToZ> etoeList, List<PceLink> path) {
  98         Integer index = 0;
  99         PceLink lastLink = null;
 100         AToZ lastResource = null;
 101
 102         // build A side Client TP
 103         String tpName = path.get(0).getClient();
 104         String xname = path.get(0).getSourceId().getValue();
 105         TerminationPoint stp = new TerminationPointBuilder()
 106                 .setTpId(tpName).setTpNodeId(xname)
 107                 .build();
 108
 109         AToZKey clientKey = new AToZKey(index.toString());
 110         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 111         AToZ firstResource = new AToZBuilder().setId(tpName).withKey(clientKey).setResource(clientResource).build();
 112         etoeList.add(firstResource);
 113         index += 1;
 114         for (PceLink pcelink : path) {
 115             String srcName = pcelink.getSourceId().getValue();
 116             // Nodes
 117             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 118                 .resource.resource.resource.Node sourceNode = new NodeBuilder()
 119                 .setNodeId(srcName)
 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).withKey(sourceKey).setResource(nodeResource1).build();
 126             index += 1;
 127             etoeList.add(srcResource);
 128
 129             // source TP
 130             tpName = pcelink.getSourceTP().toString();
 131             stp = new TerminationPointBuilder()
 132                     .setTpNodeId(srcName).setTpId(tpName)
 133                     .build();
 134
 135             // Resource
 136             AToZKey srcTPKey = new AToZKey(index.toString());
 137             Resource tpResource1 = new ResourceBuilder().setResource(stp).build();
 138             AToZ stpResource = new AToZBuilder().setId(tpName).withKey(srcTPKey).setResource(tpResource1).build();
 139             index += 1;
 140             etoeList.add(stpResource);
 141
 142             String linkName = pcelink.getLinkId().getValue();
 143             // Link
 144             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 145                 .resource.resource.resource.Link atozLink = new LinkBuilder()
 146                 .setLinkId(linkName)
 147                 .build();
 148
 149             // Link Resource
 150             AToZKey linkKey = new AToZKey(index.toString());
 151             Resource nodeResource2 = new ResourceBuilder().setResource(atozLink).build();
 152             AToZ linkResource = new AToZBuilder().setId(linkName).withKey(linkKey).setResource(nodeResource2).build();
 153             index += 1;
 154             etoeList.add(linkResource);
 155
 156             String destName = pcelink.getDestId().getValue();
 157             // target TP
 158             tpName = pcelink.getDestTP().toString();
 159             TerminationPoint dtp = new TerminationPointBuilder()
 160                 .setTpNodeId(destName).setTpId(tpName)
 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 += 1;
 168             etoeList.add(ttpResource);
 169
 170             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 171                 .resource.resource.resource.Node targetNode = new NodeBuilder()
 172                 .setNodeId(destName)
 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                 .setTpNodeId(xname).setTpId(tpName)
 190                 .build();
 191
 192         index += 1;
 193         clientKey = new AToZKey(index.toString());
 194         clientResource = new ResourceBuilder().setResource(stp).build();
 195         lastResource = new AToZBuilder().setId(tpName).withKey(clientKey).setResource(clientResource).build();
 196         etoeList.add(lastResource);
 197
 198     }
 199
 200     private void buildZtoA(List<ZToA> etoelist, List<PceLink> path) {
 201         Integer index = 0;
 202         PceLink lastLink = null;
 203         ZToA lastResource = null;
 204
 205         // build Z size Client TP
 206         PceLink pcelink = this.allPceLinks.get(path.get(0).getOppositeLink());
 207         String tpName = pcelink.getClient();
 208         String xname = pcelink.getSourceId().getValue();
 209         TerminationPoint stp = new TerminationPointBuilder()
 210                 .setTpNodeId(xname).setTpId(tpName)
 211                 .build();
 212
 213         ZToAKey clientKey = new ZToAKey(index.toString());
 214         Resource clientResource = new ResourceBuilder().setResource(stp).build();
 215         ZToA firstResource = new ZToABuilder().setId(tpName).withKey(clientKey).setResource(clientResource).build();
 216         etoelist.add(firstResource);
 217         index += 1;
 218
 219         for (PceLink pcelinkAtoZ : path) {
 220
 221             pcelink = this.allPceLinks.get(pcelinkAtoZ.getOppositeLink());
 222             LOG.debug("link to oppsite: {} to {}", pcelinkAtoZ, pcelink);
 223
 224             String srcName = pcelink.getSourceId().getValue();
 225
 226
 227             // Nodes
 228             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 229                 .resource.resource.resource.Node sourceNode = new NodeBuilder()
 230                 .setNodeId(srcName).build();
 231
 232
 233             // Source Resource
 234             ZToAKey sourceKey = new ZToAKey(index.toString());
 235             Resource nodeResource1 = new ResourceBuilder().setResource(sourceNode).build();
 236             ZToA srcResource = new ZToABuilder().setId(srcName).withKey(sourceKey).setResource(nodeResource1).build();
 237             index += 1;
 238             etoelist.add(srcResource);
 239
 240             // source TP
 241             tpName = pcelink.getSourceTP().toString();
 242             stp = new TerminationPointBuilder()
 243                     .setTpNodeId(srcName).setTpId(tpName)
 244                     .build();
 245
 246             // Resource
 247             ZToAKey srcTPKey = new ZToAKey(index.toString());
 248             Resource tpResource1 = new ResourceBuilder().setResource(stp).build();
 249             ZToA stpResource = new ZToABuilder().setId(tpName).withKey(srcTPKey).setResource(tpResource1).build();
 250             index += 1;
 251             etoelist.add(stpResource);
 252
 253             String linkName = pcelink.getLinkId().getValue();
 254             // Link
 255             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 256                 .resource.resource.resource.Link ztoaLink = new LinkBuilder()
 257                 .setLinkId(linkName).build();
 258
 259             // Link Resource
 260             ZToAKey linkKey = new ZToAKey(index.toString());
 261             Resource nodeResource2 = new ResourceBuilder().setResource(ztoaLink).build();
 262             ZToA linkResource = new ZToABuilder().setId(linkName).withKey(linkKey).setResource(nodeResource2).build();
 263             index += 1;
 264             etoelist.add(linkResource);
 265
 266             String destName = pcelink.getDestId().getValue();
 267             // target TP
 268             tpName = pcelink.getDestTP().toString();
 269             TerminationPoint ttp = new TerminationPointBuilder()
 270                     .setTpNodeId(destName).setTpId(tpName).build();
 271
 272             // Resource
 273             ZToAKey destTPKey = new ZToAKey(index.toString());
 274             Resource tpResource2 = new ResourceBuilder().setResource(ttp).build();
 275             ZToA ttpResource = new ZToABuilder().setId(tpName).withKey(destTPKey).setResource(tpResource2).build();
 276             index += 1;
 277             etoelist.add(ttpResource);
 278
 279
 280             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 281                 .resource.resource.resource.Node targetNode = new NodeBuilder()
 282                 .setNodeId(destName).build();
 283             // Target Resource
 284             ZToAKey targetKey = new ZToAKey(index.toString());
 285             Resource nodeResource3 = new ResourceBuilder().setResource(targetNode).build();
 286             lastResource = new ZToABuilder().setId(destName).withKey(targetKey).setResource(nodeResource3).build();
 287
 288             lastLink = pcelink;
 289         }
 290         etoelist.add(lastResource);
 291
 292         // build Z side Client TP
 293         tpName = lastLink.getClient();
 294         xname = lastLink.getDestId().getValue();
 295         stp = new TerminationPointBuilder()
 296                 .setTpNodeId(xname).setTpId(tpName).build();
 297
 298         index += 1;
 299         clientKey = new ZToAKey(index.toString());
 300         clientResource = new ResourceBuilder().setResource(stp).build();
 301         lastResource = new ZToABuilder().setId(tpName).withKey(clientKey).setResource(clientResource).build();
 302         etoelist.add(lastResource);
 303     }
 304
 305     public PceResult getReturnStructure() {
 306         return rc;
 307     }
 308 }