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