bgp/bmp-impl/src/main/java/org/opendaylight/protocol/bmp/impl/app/TableContext.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
   9 package org.opendaylight.protocol.bmp.impl.app;
  10
  11 import static java.util.Objects.requireNonNull;
  12 import static org.opendaylight.protocol.bmp.impl.app.TablesUtil.BMP_ATTRIBUTES_QNAME;
  13 import static org.opendaylight.protocol.bmp.impl.app.TablesUtil.BMP_ROUTES_QNAME;
  14
  15 import com.google.common.base.Preconditions;
  16 import com.google.common.base.Verify;
  17 import java.util.Map;
  18 import javax.annotation.concurrent.NotThreadSafe;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  21 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
  22 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeNode;
  23 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeCachingCodec;
  24 import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlri;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlri;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.tables.Routes;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.opendaylight.yangtools.yang.common.QName;
  36 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  38 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
  39 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  40 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  41 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  42 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
  43 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableChoiceNodeBuilder;
  44
  45 /**
  46  * Created by cgasparini on 22.5.2015.
  47  */
  48 @NotThreadSafe
  49 final class TableContext {
  50
  51     private static final ContainerNode EMPTY_TABLE_ATTRIBUTES = ImmutableNodes.containerNode(BMP_ATTRIBUTES_QNAME);
  52
  53     private static final InstanceIdentifier<MpReachNlri> MP_REACH_NLRI_II = InstanceIdentifier.create(Update.class)
  54                 .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes.class)
  55                 .augmentation(Attributes1.class)
  56                 .child(MpReachNlri.class);
  57     private static final InstanceIdentifier<MpUnreachNlri> MP_UNREACH_NLRI_II = InstanceIdentifier.create(Update.class)
  58             .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes.class)
  59             .augmentation(Attributes2.class)
  60             .child(MpUnreachNlri.class);
  61     private static final NodeIdentifier ROUTES_NODE_ID = new NodeIdentifier(BMP_ROUTES_QNAME);
  62
  63     private final YangInstanceIdentifier tableId;
  64     private final RIBSupport tableSupport;
  65     private final BindingNormalizedNodeCachingCodec<Attributes> attributesCodec;
  66     private final BindingNormalizedNodeCachingCodec<MpReachNlri> reachNlriCodec;
  67     private final BindingNormalizedNodeCachingCodec<MpUnreachNlri> unreachNlriCodec;
  68
  69     @SuppressWarnings({ "unchecked", "rawtypes" })
  70     TableContext(final RIBSupport tableSupport, final YangInstanceIdentifier tableId, final BindingCodecTree tree) {
  71         this.tableSupport = requireNonNull(tableSupport);
  72         this.tableId = requireNonNull(tableId);
  73         final BindingCodecTreeNode tableCodecContext = tree.getSubtreeCodec(tableId);
  74         final BindingCodecTreeNode<? extends Route> routeListCodec = tableCodecContext
  75             .streamChild(Routes.class)
  76             .streamChild(this.tableSupport.routesCaseClass())
  77             .streamChild(this.tableSupport.routesContainerClass())
  78             .streamChild(this.tableSupport.routesListClass());
  79
  80         this.attributesCodec = routeListCodec.streamChild(Attributes.class).createCachingCodec(this.tableSupport.cacheableAttributeObjects());
  81         this.reachNlriCodec = tree.getSubtreeCodec(MP_REACH_NLRI_II).createCachingCodec(this.tableSupport.cacheableNlriObjects());
  82         this.unreachNlriCodec = tree.getSubtreeCodec(MP_UNREACH_NLRI_II).createCachingCodec(this.tableSupport.cacheableNlriObjects());
  83     }
  84
  85     YangInstanceIdentifier getTableId() {
  86         return this.tableId;
  87     }
  88
  89     void createTable(final DOMDataWriteTransaction tx) {
  90         final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifierWithPredicates, MapEntryNode> tb = ImmutableNodes.mapEntryBuilder();
  91         tb.withNodeIdentifier((YangInstanceIdentifier.NodeIdentifierWithPredicates) this.tableId.getLastPathArgument());
  92         tb.withChild(EMPTY_TABLE_ATTRIBUTES);
  93
  94         // tableId is keyed, but that fact is not directly visible from YangInstanceIdentifier, see BUG-2796
  95         final YangInstanceIdentifier.NodeIdentifierWithPredicates tableKey = (YangInstanceIdentifier.NodeIdentifierWithPredicates) this.tableId.getLastPathArgument();
  96         for (final Map.Entry<QName, Object> e : tableKey.getKeyValues().entrySet()) {
  97             tb.withChild(ImmutableNodes.leafNode(e.getKey(), e.getValue()));
  98         }
  99
 100         final ChoiceNode routes = this.tableSupport.emptyRoutes();
 101         Verify.verifyNotNull(routes, "Null empty routes in %s", this.tableSupport);
 102
 103         tx.put(LogicalDatastoreType.OPERATIONAL, this.tableId,
 104                 tb.withChild(ImmutableChoiceNodeBuilder.create(routes).withNodeIdentifier(
 105                         new NodeIdentifier(TablesUtil.BMP_ROUTES_QNAME)).build()).build());
 106     }
 107
 108     void writeRoutes(final DOMDataWriteTransaction tx, final MpReachNlri nlri, final Attributes attributes) {
 109         final ContainerNode domNlri = serializeReachNlri(nlri);
 110         final ContainerNode routeAttributes = serializeAttributes(attributes);
 111         this.tableSupport.putRoutes(tx, this.tableId, domNlri, routeAttributes, ROUTES_NODE_ID);
 112     }
 113
 114     void removeRoutes(final DOMDataWriteTransaction tx, final MpUnreachNlri nlri) {
 115         this.tableSupport.deleteRoutes(tx, this.tableId, serializeUnreachNlri(nlri), ROUTES_NODE_ID);
 116     }
 117
 118     private ContainerNode serializeUnreachNlri(final MpUnreachNlri nlri) {
 119         Preconditions.checkState(this.unreachNlriCodec != null, "MpUnReachNlri codec not available");
 120         return (ContainerNode) this.unreachNlriCodec.serialize(nlri);
 121     }
 122
 123     private ContainerNode serializeReachNlri(final MpReachNlri nlri) {
 124         Preconditions.checkState(this.reachNlriCodec != null, "MpReachNlri codec not available");
 125         return (ContainerNode) this.reachNlriCodec.serialize(nlri);
 126     }
 127
 128     private ContainerNode serializeAttributes(final Attributes pathAttr) {
 129         Preconditions.checkState(this.attributesCodec != null, "Attributes codec not available");
 130         final AttributesBuilder a = new AttributesBuilder(pathAttr);
 131         a.addAugmentation(Attributes1.class, null);
 132         a.addAugmentation(Attributes2.class, null);
 133         return (ContainerNode) this.attributesCodec.serialize(a.build());
 134     }
 135 }