opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.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 package org.opendaylight.controller.sal.compatibility.topology;
   9
  10 import static com.google.common.base.Preconditions.checkNotNull;
  11
  12 import java.util.List;
  13 import java.util.Set;
  14 import java.util.concurrent.CopyOnWriteArrayList;
  15
  16 import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader;
  17 import org.opendaylight.controller.sal.compatibility.NodeMapping;
  18 import org.opendaylight.controller.sal.core.ConstructionException;
  19 import org.opendaylight.controller.sal.core.Edge;
  20 import org.opendaylight.controller.sal.core.Node;
  21 import org.opendaylight.controller.sal.core.Node.NodeIDType;
  22 import org.opendaylight.controller.sal.core.NodeConnector;
  23 import org.opendaylight.controller.sal.core.NodeConnector.NodeConnectorIDType;
  24 import org.opendaylight.controller.sal.core.Property;
  25 import org.opendaylight.controller.sal.core.UpdateType;
  26 import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 import com.google.common.base.Function;
  37 import com.google.common.collect.FluentIterable;
  38
  39 public final class TopologyMapping {
  40     private static final Logger LOG = LoggerFactory.getLogger(TopologyMapping.class);
  41
  42     private TopologyMapping() {
  43         throw new UnsupportedOperationException("Utility class. Instantiation is not allowed.");
  44     }
  45
  46     public static List<TopoEdgeUpdate> toADEdgeUpdates(final Topology topology,final TypeSafeDataReader reader) {
  47         final List<TopoEdgeUpdate> result = new CopyOnWriteArrayList<>();
  48         return FluentIterable.from(topology.getLink()).transform(
  49                 new Function<Link, TopoEdgeUpdate>() {
  50                     @Override
  51                     public TopoEdgeUpdate apply(final Link input) {
  52                         try {
  53                             return toTopoEdgeUpdate(toAdEdge(input, topology), reader);
  54                         } catch (ConstructionException e) {
  55                             throw new IllegalArgumentException(String.format("Failed to construct edge update for {}", input), e);
  56                         }
  57                     }}
  58                 ).copyInto(result);
  59     }
  60
  61     public static Edge toAdEdge(final Link link, final Topology topology) throws ConstructionException {
  62         final NodeConnector adSrc = toADNodeConnector(link.getSource().getSourceTp(), link.getSource().getSourceNode());
  63         final NodeConnector adDst = toADNodeConnector(link.getDestination().getDestTp(), link.getDestination().getDestNode());
  64         return new Edge(adSrc, adDst);
  65     }
  66
  67     public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e, final TypeSafeDataReader reader) {
  68         return toTopoEdgeUpdate(e, UpdateType.ADDED, reader);
  69     }
  70
  71     public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e,final UpdateType type,final TypeSafeDataReader reader) {
  72         return new TopoEdgeUpdate(e, toAdEdgeProperties(e, reader), type);
  73     }
  74
  75     public static Set<Property> toAdEdgeProperties(final Edge e,final TypeSafeDataReader reader) {
  76         final NodeConnectorRef ncref = NodeMapping.toNodeConnectorRef(e.getTailNodeConnector());
  77         if(ncref == null) {
  78             LOG.debug("Edge {} ncref {}",e,ncref);
  79             return null;
  80         }
  81
  82         @SuppressWarnings("unchecked")
  83         final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector> ncInstanceId =
  84         (InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector>) ncref.getValue();
  85         if(ncInstanceId == null) {
  86             LOG.debug("Edge {} ncref {}",e,ncref);
  87             return null;
  88         }
  89
  90         final  org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector nc = reader.readOperationalData(ncInstanceId);
  91         if(nc == null) {
  92             return null;
  93         }
  94         return NodeMapping.toADNodeConnectorProperties(nc);
  95     }
  96
  97     public static String toADNodeId(final NodeId nodeId) {
  98         return nodeId.getValue().replaceFirst("^.*:", "");
  99     }
 100
 101     public static NodeConnector toADNodeConnector(final TpId source, final NodeId nodeId) throws ConstructionException {
 102         checkNotNull(source);
 103         return new NodeConnector(NodeConnectorIDType.OPENFLOW, Short.valueOf(toADNodeConnectorId(source)), toADNode(nodeId));
 104     }
 105
 106     public static String toADNodeConnectorId(final TpId nodeConnectorId) {
 107         return nodeConnectorId.getValue().replaceFirst("^.*:", "");
 108     }
 109
 110     public static Node toADNode(final NodeId nodeId) throws ConstructionException {
 111         checkNotNull(nodeId);
 112         return new Node(NodeIDType.OPENFLOW, Long.valueOf(toADNodeId(nodeId)));
 113     }
 114 }