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 com.google.common.base.Function;
  11 import com.google.common.collect.FluentIterable;
  12 import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader;
  13 import org.opendaylight.controller.sal.compatibility.NodeMapping;
  14 import org.opendaylight.controller.sal.core.ConstructionException;
  15 import org.opendaylight.controller.sal.core.Edge;
  16 import org.opendaylight.controller.sal.core.Node;
  17 import org.opendaylight.controller.sal.core.Node.NodeIDType;
  18 import org.opendaylight.controller.sal.core.NodeConnector;
  19 import org.opendaylight.controller.sal.core.NodeConnector.NodeConnectorIDType;
  20 import org.opendaylight.controller.sal.core.Property;
  21 import org.opendaylight.controller.sal.core.UpdateType;
  22 import org.opendaylight.controller.sal.topology.TopoEdgeUpdate;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 import java.util.List;
  33 import java.util.Set;
  34 import java.util.concurrent.CopyOnWriteArrayList;
  35 import java.util.regex.Pattern;
  36
  37 import static com.google.common.base.Preconditions.checkNotNull;
  38
  39 public final class TopologyMapping {
  40     private static final Logger LOG = LoggerFactory.getLogger(TopologyMapping.class);
  41     private final static Pattern NUMBERS_ONLY = Pattern.compile("[0-9]+");
  42
  43     private TopologyMapping() {
  44         throw new UnsupportedOperationException("Utility class. Instantiation is not allowed.");
  45     }
  46
  47     public static List<TopoEdgeUpdate> toADEdgeUpdates(final Topology topology,final TypeSafeDataReader reader) {
  48         final List<TopoEdgeUpdate> result = new CopyOnWriteArrayList<>();
  49         return FluentIterable.from(topology.getLink()).transform(
  50                 new Function<Link, TopoEdgeUpdate>() {
  51                     @Override
  52                     public TopoEdgeUpdate apply(final Link input) {
  53                         try {
  54                             return toTopoEdgeUpdate(toAdEdge(input, topology), reader);
  55                         } catch (ConstructionException e) {
  56                             throw new IllegalArgumentException(String.format("Failed to construct edge update for {}", input), e);
  57                         }
  58                     }}
  59                 ).copyInto(result);
  60     }
  61
  62     public static Edge toAdEdge(final Link link, final Topology topology) throws ConstructionException {
  63         final NodeConnector adSrc = toADNodeConnector(link.getSource().getSourceTp(), link.getSource().getSourceNode());
  64         final NodeConnector adDst = toADNodeConnector(link.getDestination().getDestTp(), link.getDestination().getDestNode());
  65         return new Edge(adSrc, adDst);
  66     }
  67
  68     public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e, final TypeSafeDataReader reader) {
  69         return toTopoEdgeUpdate(e, UpdateType.ADDED, reader);
  70     }
  71
  72     public static TopoEdgeUpdate toTopoEdgeUpdate(final Edge e,final UpdateType type,final TypeSafeDataReader reader) {
  73         return new TopoEdgeUpdate(e, toAdEdgeProperties(e, reader), type);
  74     }
  75
  76     public static Set<Property> toAdEdgeProperties(final Edge e,final TypeSafeDataReader reader) {
  77         final NodeConnectorRef ncref = NodeMapping.toNodeConnectorRef(e.getTailNodeConnector());
  78         if(ncref == null) {
  79             LOG.debug("Edge {} ncref {}",e,ncref);
  80             return null;
  81         }
  82
  83         @SuppressWarnings("unchecked")
  84         final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector> ncInstanceId =
  85         (InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector>) ncref.getValue();
  86         if(ncInstanceId == null) {
  87             LOG.debug("Edge {} ncref {}",e,ncref);
  88             return null;
  89         }
  90
  91         final  org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector nc = reader.readOperationalData(ncInstanceId);
  92         if(nc == null) {
  93             return null;
  94         }
  95         return NodeMapping.toADNodeConnectorProperties(nc);
  96     }
  97
  98     public static String toADNodeId(final NodeId nodeId) {
  99         return nodeId.getValue().replaceFirst("^.*:", "");
 100     }
 101
 102     public static NodeConnector toADNodeConnector(final TpId source, final NodeId nodeId) throws ConstructionException {
 103         checkNotNull(source);
 104         String nodeConnectorIdStripped = toADNodeConnectorId(source);
 105         if (NUMBERS_ONLY.matcher(nodeConnectorIdStripped).matches()) {
 106             return new NodeConnector(NodeConnectorIDType.OPENFLOW, Short.valueOf(nodeConnectorIdStripped), toADNode(nodeId));
 107         }
 108         LOG.debug("NodeConnectorId does not match openflow id type, using " + NodeMapping.MD_SAL_TYPE +  "instead");
 109         NodeConnectorIDType.registerIDType(NodeMapping.MD_SAL_TYPE, String.class, NodeMapping.MD_SAL_TYPE);
 110         return new NodeConnector(NodeMapping.MD_SAL_TYPE, nodeConnectorIdStripped, toADNode(nodeId));
 111     }
 112
 113     public static String toADNodeConnectorId(final TpId nodeConnectorId) {
 114         return nodeConnectorId.getValue().replaceFirst("^.*:", "");
 115     }
 116
 117     public static Node toADNode(final NodeId nodeId) throws ConstructionException {
 118         checkNotNull(nodeId);
 119         String nodeIdStripped = toADNodeId(nodeId);
 120         if (NUMBERS_ONLY.matcher(nodeIdStripped).matches()) {
 121             return new Node(NodeIDType.OPENFLOW, Long.valueOf(nodeIdStripped));
 122         }
 123         LOG.debug("NodeId does not match openflow id type, using " + NodeMapping.MD_SAL_TYPE +  "instead");
 124         NodeIDType.registerIDType(NodeMapping.MD_SAL_TYPE, String.class);
 125         return new Node(NodeMapping.MD_SAL_TYPE, nodeId.getValue());
 126     }
 127 }