bgp/linkstate/src/main/java/org/opendaylight/protocol/bgp/linkstate/LinkstateAdjRIBsIn.java

   1 /*
   2  * Copyright (c) 2013 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 package org.opendaylight.protocol.bgp.linkstate;
   9
  10 import java.util.Comparator;
  11
  12 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  13 import org.opendaylight.protocol.bgp.rib.RibReference;
  14 import org.opendaylight.protocol.bgp.rib.spi.AbstractAdjRIBsIn;
  15 import org.opendaylight.protocol.bgp.rib.spi.Peer;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.LinkstateDestination;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.PathAttributes1;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.LinkstateRoutes;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.LinkstateRoute;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.LinkstateRouteBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.LinkstateRouteKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.Attributes1;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.Attributes1Builder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.ObjectType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.AttributeType;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.LinkCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.NodeCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.PrefixCaseBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.link._case.LinkDescriptorsBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.link._case.LocalNodeDescriptorsBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.link._case.RemoteNodeDescriptorsBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.node._case.NodeDescriptorsBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.object.type.prefix._case.AdvertisingNodeDescriptorsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.linkstate.destination.CLinkstateDestination;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.linkstate.destination.c.linkstate.destination.LocalNodeDescriptors;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.LinkstatePathAttribute;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.LinkStateAttribute;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.LinkAttributesCase;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.NodeAttributesCase;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.PrefixAttributesCase;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.link.attributes._case.LinkAttributes;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.node.attributes._case.NodeAttributes;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.linkstate.path.attribute.link.state.attribute.prefix.attributes._case.PrefixAttributes;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCase;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathAttributes;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlri;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlri;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.route.AttributesBuilder;
  51 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  52 import org.slf4j.Logger;
  53 import org.slf4j.LoggerFactory;
  54
  55 import com.google.common.base.Objects.ToStringHelper;
  56 import com.google.common.base.Preconditions;
  57
  58 final class LinkstateAdjRIBsIn extends AbstractAdjRIBsIn<CLinkstateDestination, LinkstateRoute> {
  59
  60         private abstract static class LinkstateRIBEntryData<A extends LinkStateAttribute> extends
  61         RIBEntryData<CLinkstateDestination, LinkstateRoute> {
  62                 private final A lsattr;
  63
  64                 protected LinkstateRIBEntryData(final PathAttributes attributes, final A lsattr) {
  65                         super(attributes);
  66                         this.lsattr = lsattr;
  67                 }
  68
  69                 protected abstract AttributeType createAttributes(A lsattr);
  70
  71                 protected abstract ObjectType createObject(CLinkstateDestination key);
  72
  73                 @Override
  74                 protected final LinkstateRoute getDataObject(final CLinkstateDestination key) {
  75                         final LinkstateRouteBuilder builder = new LinkstateRouteBuilder();
  76
  77                         builder.setIdentifier(key.getIdentifier());
  78                         builder.setProtocolId(key.getProtocolId());
  79                         builder.setDistinguisher(key.getDistinguisher());
  80                         builder.setAttributes(new AttributesBuilder(getPathAttributes()).addAugmentation(Attributes1.class,
  81                                         new Attributes1Builder().setAttributeType(Preconditions.checkNotNull(createAttributes(this.lsattr))).build()).build());
  82                         builder.setObjectType(Preconditions.checkNotNull(createObject(key)));
  83
  84                         return builder.build();
  85                 }
  86
  87                 @Override
  88                 protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
  89                         return toStringHelper.add("lsattr", lsattr);
  90                 }
  91         }
  92
  93         private static final Logger LOG = LoggerFactory.getLogger(LinkstateAdjRIBsIn.class);
  94
  95         LinkstateAdjRIBsIn(final DataModificationTransaction trans, final RibReference rib, final Comparator<PathAttributes> comparator,
  96                         final TablesKey key) {
  97                 super(trans, rib, comparator, key);
  98         }
  99
 100         @Override
 101         public InstanceIdentifier<?> identifierForKey(final InstanceIdentifier<Tables> basePath, final CLinkstateDestination key) {
 102                 return InstanceIdentifier.builder(basePath).child(LinkstateRoutes.class).child(LinkstateRoute.class,
 103                                 new LinkstateRouteKey(LinkstateNlriParser.serializeNlri(key))).toInstance();
 104         }
 105
 106         @Override
 107         public void addRoutes(final DataModificationTransaction trans, final Peer peer, final MpReachNlri nlri,
 108                         final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributes attributes) {
 109                 LOG.debug("Passed nlri {}", nlri);
 110                 final LinkstateDestination keys = ((DestinationLinkstateCase) nlri.getAdvertizedRoutes().getDestinationType()).getDestinationLinkstate();
 111                 if (keys == null) {
 112                         LOG.debug("No destinations present in advertized routes");
 113                         return;
 114                 }
 115
 116                 LOG.debug("Iterating over route destinations {}", keys);
 117
 118                 for (final CLinkstateDestination key : keys.getCLinkstateDestination()) {
 119                         LOG.debug("Processing route key {}", key);
 120
 121                         LinkStateAttribute lsattr = null;
 122                         final PathAttributes1 pa = attributes.getAugmentation(PathAttributes1.class);
 123                         if (pa != null) {
 124                                 final LinkstatePathAttribute lpa = pa.getLinkstatePathAttribute();
 125                                 if (lpa != null) {
 126                                         lsattr = lpa.getLinkStateAttribute();
 127                                 }
 128                         }
 129
 130                         RIBEntryData<CLinkstateDestination, LinkstateRoute> data = null;
 131                         switch (key.getNlriType()) {
 132                         case Ipv4Prefix:
 133                         case Ipv6Prefix:
 134                                 data = new LinkstateRIBEntryData<PrefixAttributesCase>(attributes, (PrefixAttributesCase) lsattr) {
 135                                         @Override
 136                                         protected AttributeType createAttributes(final PrefixAttributesCase lsattr) {
 137                                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.PrefixCaseBuilder b = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.PrefixCaseBuilder();
 138
 139                                                 if (lsattr != null) {
 140                                                         final PrefixAttributes a = lsattr.getPrefixAttributes();
 141                                                         if (a != null) {
 142                                                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.prefix._case.PrefixAttributesBuilder builder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.prefix._case.PrefixAttributesBuilder(a);
 143                                                                 b.setPrefixAttributes(builder.build());
 144                                                         }
 145
 146                                                 }
 147
 148                                                 return b.build();
 149                                         }
 150
 151                                         @Override
 152                                         protected ObjectType createObject(final CLinkstateDestination key) {
 153                                                 return new PrefixCaseBuilder().setAdvertisingNodeDescriptors(
 154                                                                 new AdvertisingNodeDescriptorsBuilder(key.getLocalNodeDescriptors()).build()).build();
 155                                         }
 156                                 };
 157                                 break;
 158                         case Link:
 159                                 data = new LinkstateRIBEntryData<LinkAttributesCase>(attributes, (LinkAttributesCase) lsattr) {
 160                                         @Override
 161                                         protected AttributeType createAttributes(final LinkAttributesCase lsattr) {
 162                                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.LinkCaseBuilder b = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.LinkCaseBuilder();
 163
 164                                                 if (lsattr != null) {
 165                                                         final LinkAttributes la = lsattr.getLinkAttributes();
 166                                                         if (la != null) {
 167                                                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.link._case.LinkAttributesBuilder builder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.link._case.LinkAttributesBuilder(la);
 168                                                                 b.setLinkAttributes(builder.build());
 169                                                         }
 170                                                 }
 171
 172                                                 return b.build();
 173                                         }
 174
 175                                         @Override
 176                                         protected ObjectType createObject(final CLinkstateDestination key) {
 177                                                 final LinkCaseBuilder b = new LinkCaseBuilder();
 178                                                 b.setLinkDescriptors(new LinkDescriptorsBuilder(key.getLinkDescriptors()).build());
 179                                                 b.setLocalNodeDescriptors(new LocalNodeDescriptorsBuilder(key.getLocalNodeDescriptors()).build());
 180                                                 b.setRemoteNodeDescriptors(new RemoteNodeDescriptorsBuilder(key.getRemoteNodeDescriptors()).build());
 181                                                 return b.build();
 182                                         }
 183                                 };
 184                                 break;
 185                         case Node:
 186                                 data = new LinkstateRIBEntryData<NodeAttributesCase>(attributes, (NodeAttributesCase) lsattr) {
 187                                         @Override
 188                                         protected AttributeType createAttributes(final NodeAttributesCase lsattr) {
 189                                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.NodeCaseBuilder b = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.NodeCaseBuilder();
 190                                                 if (lsattr != null) {
 191                                                         final NodeAttributes n = lsattr.getNodeAttributes();
 192                                                         if (n != null) {
 193                                                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.node._case.NodeAttributesBuilder builder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev131125.bgp.rib.rib.loc.rib.tables.routes.linkstate.routes._case.linkstate.routes.linkstate.route.attributes.attribute.type.node._case.NodeAttributesBuilder(n);
 194                                                                 b.setNodeAttributes(builder.build());
 195                                                         }
 196                                                 }
 197                                                 return b.build();
 198                                         }
 199
 200                                         @Override
 201                                         protected ObjectType createObject(final CLinkstateDestination key) {
 202                                                 final LocalNodeDescriptors d = key.getLocalNodeDescriptors();
 203                                                 return new NodeCaseBuilder().setNodeDescriptors(new NodeDescriptorsBuilder(d).build()).build();
 204                                         }
 205                                 };
 206                                 break;
 207                         }
 208                         super.add(trans, peer, key, data);
 209                 }
 210         }
 211
 212         @Override
 213         public void removeRoutes(final DataModificationTransaction trans, final Peer peer, final MpUnreachNlri nlri) {
 214                 final CLinkstateDestination key = (CLinkstateDestination) ((LinkstateDestination) nlri.getWithdrawnRoutes().getDestinationType()).getCLinkstateDestination();
 215
 216                 super.remove(trans, peer, key);
 217         }
 218 }