opendaylight/md-sal/topology-manager/src/main/java/org/opendaylight/md/controller/topology/manager/FlowCapableTopologyExporter.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.md.controller.topology.manager;
   9
  10 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.getNodeConnectorKey;
  11 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.getNodeKey;
  12 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTerminationPoint;
  13 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTerminationPointId;
  14 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTopologyLink;
  15 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTopologyNode;
  16 import static org.opendaylight.md.controller.topology.manager.FlowCapableNodeMapping.toTopologyNodeId;
  17
  18 import java.util.Collections;
  19 import java.util.List;
  20
  21 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnectorUpdated;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.FlowTopologyDiscoveryListener;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkOverutilized;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkRemoved;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkUtilizationNormal;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRemoved;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdated;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.OpendaylightInventoryListener;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  47 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  48 import org.slf4j.Logger;
  49 import org.slf4j.LoggerFactory;
  50
  51 import com.google.common.base.Optional;
  52 import com.google.common.base.Preconditions;
  53 import com.google.common.util.concurrent.CheckedFuture;
  54 import com.google.common.util.concurrent.FutureCallback;
  55 import com.google.common.util.concurrent.Futures;
  56
  57 class FlowCapableTopologyExporter implements FlowTopologyDiscoveryListener, OpendaylightInventoryListener {
  58
  59     private final Logger LOG = LoggerFactory.getLogger(FlowCapableTopologyExporter.class);
  60     private final InstanceIdentifier<Topology> topology;
  61     private final OperationProcessor processor;
  62
  63     FlowCapableTopologyExporter(final OperationProcessor processor, final InstanceIdentifier<Topology> topology) {
  64         this.processor = Preconditions.checkNotNull(processor);
  65         this.topology = Preconditions.checkNotNull(topology);
  66     }
  67
  68     @Override
  69     public void onNodeRemoved(final NodeRemoved notification) {
  70
  71         final NodeId nodeId = toTopologyNodeId(getNodeKey(notification.getNodeRef()).getId());
  72         final InstanceIdentifier<Node> nodeInstance = toNodeIdentifier(notification.getNodeRef());
  73
  74         processor.enqueueOperation(new TopologyOperation() {
  75             @Override
  76             public void applyOperation(final ReadWriteTransaction transaction) {
  77                 removeAffectedLinks(nodeId);
  78             }
  79         });
  80
  81         processor.enqueueOperation(new TopologyOperation() {
  82             @Override
  83             public void applyOperation(ReadWriteTransaction transaction) {
  84                 transaction.delete(LogicalDatastoreType.OPERATIONAL, nodeInstance);
  85             }
  86         });
  87     }
  88
  89     @Override
  90     public void onNodeUpdated(final NodeUpdated notification) {
  91         FlowCapableNodeUpdated fcnu = notification.getAugmentation(FlowCapableNodeUpdated.class);
  92         if (fcnu != null) {
  93             processor.enqueueOperation(new TopologyOperation() {
  94                 @Override
  95                 public void applyOperation(final ReadWriteTransaction transaction) {
  96                     final Node node = toTopologyNode(toTopologyNodeId(notification.getId()), notification.getNodeRef());
  97                     final InstanceIdentifier<Node> path = getNodePath(toTopologyNodeId(notification.getId()));
  98                     transaction.merge(LogicalDatastoreType.OPERATIONAL, path, node, true);
  99                 }
 100             });
 101         }
 102     }
 103
 104     @Override
 105     public void onNodeConnectorRemoved(final NodeConnectorRemoved notification) {
 106
 107         final InstanceIdentifier<TerminationPoint> tpInstance = toTerminationPointIdentifier(notification
 108                 .getNodeConnectorRef());
 109
 110         processor.enqueueOperation(new TopologyOperation() {
 111             @Override
 112             public void applyOperation(final ReadWriteTransaction transaction) {
 113                 final TpId tpId = toTerminationPointId(getNodeConnectorKey(notification.getNodeConnectorRef()).getId());
 114                 removeAffectedLinks(tpId);
 115             }
 116         });
 117
 118         processor.enqueueOperation(new TopologyOperation() {
 119             @Override
 120             public void applyOperation(ReadWriteTransaction transaction) {
 121                 transaction.delete(LogicalDatastoreType.OPERATIONAL, tpInstance);
 122             }
 123         });
 124     }
 125
 126     @Override
 127     public void onNodeConnectorUpdated(final NodeConnectorUpdated notification) {
 128         final FlowCapableNodeConnectorUpdated fcncu = notification.getAugmentation(FlowCapableNodeConnectorUpdated.class);
 129         if (fcncu != null) {
 130             processor.enqueueOperation(new TopologyOperation() {
 131                 @Override
 132                 public void applyOperation(final ReadWriteTransaction transaction) {
 133                     final NodeId nodeId = toTopologyNodeId(getNodeKey(notification.getNodeConnectorRef()).getId());
 134                     TerminationPoint point = toTerminationPoint(toTerminationPointId(notification.getId()),
 135                             notification.getNodeConnectorRef());
 136                     final InstanceIdentifier<TerminationPoint> path = tpPath(nodeId, point.getKey().getTpId());
 137                     transaction.merge(LogicalDatastoreType.OPERATIONAL, path, point, true);
 138                     if ((fcncu.getState() != null && fcncu.getState().isLinkDown())
 139                             || (fcncu.getConfiguration() != null && fcncu.getConfiguration().isPORTDOWN())) {
 140                         removeAffectedLinks(point.getTpId());
 141                     }
 142                 }
 143             });
 144         }
 145     }
 146
 147     @Override
 148     public void onLinkDiscovered(final LinkDiscovered notification) {
 149         processor.enqueueOperation(new TopologyOperation() {
 150             @Override
 151             public void applyOperation(final ReadWriteTransaction transaction) {
 152                 final Link link = toTopologyLink(notification);
 153                 final InstanceIdentifier<Link> path = linkPath(link);
 154                 transaction.merge(LogicalDatastoreType.OPERATIONAL, path, link, true);
 155             }
 156         });
 157     }
 158
 159     @Override
 160     public void onLinkOverutilized(final LinkOverutilized notification) {
 161         // NOOP
 162     }
 163
 164     @Override
 165     public void onLinkRemoved(final LinkRemoved notification) {
 166         processor.enqueueOperation(new TopologyOperation() {
 167             @Override
 168             public void applyOperation(final ReadWriteTransaction transaction) {
 169                 transaction.delete(LogicalDatastoreType.OPERATIONAL, linkPath(toTopologyLink(notification)));
 170             }
 171         });
 172     }
 173
 174     @Override
 175     public void onLinkUtilizationNormal(final LinkUtilizationNormal notification) {
 176         // NOOP
 177     }
 178
 179     private InstanceIdentifier<Node> toNodeIdentifier(final NodeRef ref) {
 180         org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
 181         NodeKey nodeKey = new NodeKey(toTopologyNodeId(invNodeKey.getId()));
 182         return topology.child(Node.class, nodeKey);
 183     }
 184
 185     private InstanceIdentifier<TerminationPoint> toTerminationPointIdentifier(final NodeConnectorRef ref) {
 186         org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
 187         NodeConnectorKey invNodeConnectorKey = getNodeConnectorKey(ref);
 188         return tpPath(toTopologyNodeId(invNodeKey.getId()), toTerminationPointId(invNodeConnectorKey.getId()));
 189     }
 190
 191     private void removeAffectedLinks(final NodeId id) {
 192         processor.enqueueOperation(new TopologyOperation() {
 193             @Override
 194             public void applyOperation(final ReadWriteTransaction transaction) {
 195                 CheckedFuture<Optional<Topology>, ReadFailedException> topologyDataFuture = transaction.read(LogicalDatastoreType.OPERATIONAL, topology);
 196                 Futures.addCallback(topologyDataFuture, new FutureCallback<Optional<Topology>>() {
 197                     @Override
 198                     public void onSuccess(Optional<Topology> topologyOptional) {
 199                         if (topologyOptional.isPresent()) {
 200                             List<Link> linkList = topologyOptional.get().getLink() != null
 201                                     ? topologyOptional.get().getLink() : Collections.<Link> emptyList();
 202                             for (Link link : linkList) {
 203                                 if (id.equals(link.getSource().getSourceNode()) || id.equals(link.getDestination().getDestNode())) {
 204                                     transaction.delete(LogicalDatastoreType.OPERATIONAL, linkPath(link));
 205                                 }
 206                             }
 207                         }
 208                     }
 209
 210                     @Override
 211                     public void onFailure(Throwable throwable) {
 212                         LOG.error("Error reading topology data for topology {}", topology, throwable);
 213                     }
 214                 });
 215             }
 216         });
 217     }
 218
 219     private void removeAffectedLinks(final TpId id) {
 220         processor.enqueueOperation(new TopologyOperation() {
 221             @Override
 222             public void applyOperation(final ReadWriteTransaction transaction) {
 223                 CheckedFuture<Optional<Topology>, ReadFailedException> topologyDataFuture = transaction.read(LogicalDatastoreType.OPERATIONAL, topology);
 224                 Futures.addCallback(topologyDataFuture, new FutureCallback<Optional<Topology>>() {
 225                     @Override
 226                     public void onSuccess(Optional<Topology> topologyOptional) {
 227                         if (topologyOptional.isPresent()) {
 228                             List<Link> linkList = topologyOptional.get().getLink() != null
 229                                     ? topologyOptional.get().getLink() : Collections.<Link> emptyList();
 230                             for (Link link : linkList) {
 231                                 if (id.equals(link.getSource().getSourceTp()) || id.equals(link.getDestination().getDestTp())) {
 232                                     transaction.delete(LogicalDatastoreType.OPERATIONAL, linkPath(link));
 233                                 }
 234                             }
 235                         }
 236                     }
 237
 238                     @Override
 239                     public void onFailure(Throwable throwable) {
 240                         LOG.error("Error reading topology data for topology {}", topology, throwable);
 241                     }
 242                 });
 243             }
 244         });
 245     }
 246
 247     private InstanceIdentifier<Node> getNodePath(final NodeId nodeId) {
 248         return topology.child(Node.class, new NodeKey(nodeId));
 249     }
 250
 251     private InstanceIdentifier<TerminationPoint> tpPath(final NodeId nodeId, final TpId tpId) {
 252         NodeKey nodeKey = new NodeKey(nodeId);
 253         TerminationPointKey tpKey = new TerminationPointKey(tpId);
 254         return topology.child(Node.class, nodeKey).child(TerminationPoint.class, tpKey);
 255     }
 256
 257     private InstanceIdentifier<Link> linkPath(final Link link) {
 258         return topology.child(Link.class, link.getKey());
 259     }
 260 }