bgp/flowspec/src/main/java/org/opendaylight/protocol/bgp/flowspec/AbstractFlowspecRIBSupport.java

   1 /*
   2  * Copyright (c) 2015 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.flowspec;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.collect.ImmutableCollection;
  12 import com.google.common.collect.ImmutableSet;
  13 import com.google.common.collect.Iterables;
  14 import java.util.Collection;
  15 import javax.annotation.Nonnull;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  17 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
  18 import org.opendaylight.protocol.bgp.rib.spi.MultiPathAbstractRIBSupport;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev150807.FlowspecSubsequentAddressFamily;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.destination.DestinationType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.tables.Routes;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.AddressFamily;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.opendaylight.yangtools.yang.common.QName;
  27 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  28 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  30 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  32 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  33
  34 public abstract class AbstractFlowspecRIBSupport extends MultiPathAbstractRIBSupport {
  35     protected AbstractFlowspecRIBSupport(final Class<? extends Routes> cazeClass, final Class<? extends DataObject> containerClass,
  36         final Class<? extends Route> listClass, final Class<? extends AddressFamily> afiClass, final QName destinationQname) {
  37         super(cazeClass, containerClass, listClass, afiClass, FlowspecSubsequentAddressFamily.class, "route-key", destinationQname);
  38     }
  39
  40     protected abstract AbstractFlowspecNlriParser getParser();
  41
  42     @Override
  43     public final ImmutableCollection<Class<? extends DataObject>> cacheableAttributeObjects() {
  44         return ImmutableSet.of();
  45     }
  46
  47     @Override
  48     public final ImmutableCollection<Class<? extends DataObject>> cacheableNlriObjects() {
  49         return ImmutableSet.of();
  50     }
  51
  52     @Override
  53     public final boolean isComplexRoute() {
  54         return true;
  55     }
  56
  57     @Nonnull
  58     @Override
  59     protected DestinationType buildDestination(@Nonnull final Collection<MapEntryNode> routes) {
  60         final MapEntryNode routesCont = Iterables.getOnlyElement(routes);
  61         final PathId pathId = PathIdUtil.buildPathId(routesCont, routePathIdNid());
  62         return getParser().createAdvertizedRoutesDestinationType(new Object[] {getParser().extractFlowspec(routesCont)}, pathId);
  63     }
  64
  65     @Nonnull
  66     @Override
  67     protected DestinationType buildWithdrawnDestination(@Nonnull final Collection<MapEntryNode> routes) {
  68         final MapEntryNode routesCont = Iterables.getOnlyElement(routes);
  69         final PathId pathId = PathIdUtil.buildPathId(routesCont, routePathIdNid());
  70         return getParser().createWithdrawnDestinationType(new Object[] {getParser().extractFlowspec(Iterables.getOnlyElement(routes))}, pathId);
  71     }
  72
  73     @Override
  74     protected final void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
  75         final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
  76         if (destination != null) {
  77             final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(routeQName());
  78             final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf = destination.getChild(routePathIdNid());
  79             final String routeKeyValue = getParser().stringNlri(destination);
  80             final NodeIdentifierWithPredicates routeKey = PathIdUtil.createNidKey(routeQName(), routeKeyQName(), pathIdQName(), routeKeyValue, maybePathIdLeaf);
  81             function.apply(tx, base, routeKey, destination, attributes);
  82         }
  83     }
  84 }