pcep/segment-routing/src/main/java/org/opendaylight/protocol/pcep/segment/routing02/SrPcRepMessageParser.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, 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
   9 package org.opendaylight.protocol.pcep.segment.routing02;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.collect.Lists;
  13 import io.netty.buffer.ByteBuf;
  14 import java.util.List;
  15 import org.opendaylight.protocol.pcep.impl.message.PCEPReplyMessageParser;
  16 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
  17 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
  18 import org.opendaylight.protocol.pcep.spi.VendorInformationObjectRegistry;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.Replies;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.RepliesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.Result;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.SuccessCase;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.SuccessCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.success._case.SuccessBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.success._case.success.Paths;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcrep.message.pcrep.message.replies.result.success._case.success.PathsBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
  31
  32 public class SrPcRepMessageParser extends PCEPReplyMessageParser {
  33
  34     public SrPcRepMessageParser(final ObjectRegistry registry, final VendorInformationObjectRegistry viRegistry) {
  35         super(registry, viRegistry);
  36     }
  37
  38     @Override
  39     protected void serializeReply(Replies reply, ByteBuf buffer) {
  40         final Rp rp = reply.getRp();
  41         if (SrEroUtil.isSegmentRoutingPath(rp)) {
  42             serializeObject(rp, buffer);
  43             if (reply.getResult() instanceof SuccessCase) {
  44                 final SuccessCase s = (SuccessCase) reply.getResult();
  45                 for (final Paths p : s.getSuccess().getPaths()) {
  46                     final Ero ero = p.getEro();
  47                     serializeObject(ero, buffer);
  48                 }
  49             }
  50         } else {
  51             super.serializeReply(reply, buffer);
  52         }
  53     }
  54
  55     @Override
  56     protected Replies getValidReply(List<Object> objects, List<Message> errors) {
  57         if (!(objects.get(0) instanceof Rp)) {
  58             errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.<Rp>absent()));
  59             return null;
  60         }
  61         final Rp rp = (Rp) objects.get(0);
  62         if (SrEroUtil.isSegmentRoutingPath(rp)) {
  63             objects.remove(0);
  64             Result res = null;
  65             if (objects.get(0) instanceof Ero) {
  66                 final SuccessBuilder builder = new SuccessBuilder();
  67                 final List<Paths> paths = Lists.newArrayList();
  68                 final PathsBuilder pBuilder = new PathsBuilder();
  69                 while (!objects.isEmpty()) {
  70                     final Object object = objects.get(0);
  71                     if (object instanceof Ero) {
  72                         final Ero ero = (Ero) object;
  73                         final PCEPErrors error = SrEroUtil.validateSrEroSubobjects(ero);
  74                         if (error != null) {
  75                             errors.add(createErrorMsg(error, Optional.<Rp>absent()));
  76                             return null;
  77                         } else {
  78                             paths.add(pBuilder.setEro(ero).build());
  79                         }
  80                     }
  81                     objects.remove(0);
  82                 }
  83                 builder.setPaths(paths);
  84                 res = new SuccessCaseBuilder().setSuccess(builder.build()).build();
  85             }
  86             return new RepliesBuilder().setRp(rp).setResult(res).build();
  87         }
  88         return super.getValidReply(objects, errors);
  89     }
  90 }