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 org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader;
  19 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnectorUpdated;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.FlowTopologyDiscoveryListener;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkOverutilized;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkRemoved;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkUtilizationNormal;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRemoved;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorUpdated;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.OpendaylightInventoryListener;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44
  45 import com.google.common.base.Preconditions;
  46
  47 class FlowCapableTopologyExporter implements FlowTopologyDiscoveryListener, OpendaylightInventoryListener {
  48     private final InstanceIdentifier<Topology> topology;
  49     private final OperationProcessor processor;
  50
  51     FlowCapableTopologyExporter(final OperationProcessor processor, final InstanceIdentifier<Topology> topology) {
  52         this.processor = Preconditions.checkNotNull(processor);
  53         this.topology = Preconditions.checkNotNull(topology);
  54     }
  55
  56     @Override
  57     public void onNodeRemoved(final NodeRemoved notification) {
  58         processor.enqueueOperation(new TopologyOperation() {
  59             @Override
  60             public void applyOperation(final DataModificationTransaction transaction) {
  61                 NodeId nodeId = toTopologyNodeId(getNodeKey(notification.getNodeRef()).getId());
  62                 InstanceIdentifier<Node> nodeInstance = toNodeIdentifier(notification.getNodeRef());
  63                 transaction.removeOperationalData(nodeInstance);
  64                 removeAffectedLinks(transaction, nodeId);
  65             }
  66         });
  67     }
  68
  69     @Override
  70     public void onNodeUpdated(final NodeUpdated notification) {
  71         FlowCapableNodeUpdated fcnu = notification.getAugmentation(FlowCapableNodeUpdated.class);
  72         if (fcnu != null) {
  73             processor.enqueueOperation(new TopologyOperation() {
  74                 @Override
  75                 public void applyOperation(final DataModificationTransaction transaction) {
  76                     Node node = toTopologyNode(toTopologyNodeId(notification.getId()), notification.getNodeRef());
  77                     InstanceIdentifier<Node> path = getNodePath(toTopologyNodeId(notification.getId()));
  78                     transaction.putOperationalData(path, node);
  79                 }
  80             });
  81         }
  82     }
  83
  84     @Override
  85     public void onNodeConnectorRemoved(final NodeConnectorRemoved notification) {
  86         processor.enqueueOperation(new TopologyOperation() {
  87             @Override
  88             public void applyOperation(final DataModificationTransaction transaction) {
  89                 InstanceIdentifier<TerminationPoint> tpInstance = toTerminationPointIdentifier(notification
  90                         .getNodeConnectorRef());
  91                 TpId tpId = toTerminationPointId(getNodeConnectorKey(notification.getNodeConnectorRef()).getId());
  92
  93                 transaction.removeOperationalData(tpInstance);
  94                 removeAffectedLinks(transaction, tpId);
  95             }
  96         });
  97     }
  98
  99     @Override
 100     public void onNodeConnectorUpdated(final NodeConnectorUpdated notification) {
 101         final FlowCapableNodeConnectorUpdated fcncu = notification.getAugmentation(FlowCapableNodeConnectorUpdated.class);
 102         if (fcncu != null) {
 103             processor.enqueueOperation(new TopologyOperation() {
 104                 @Override
 105                 public void applyOperation(final DataModificationTransaction transaction) {
 106                     NodeId nodeId = toTopologyNodeId(getNodeKey(notification.getNodeConnectorRef()).getId());
 107                     TerminationPoint point = toTerminationPoint(toTerminationPointId(notification.getId()),
 108                             notification.getNodeConnectorRef());
 109                     InstanceIdentifier<TerminationPoint> path = tpPath(nodeId, point.getKey().getTpId());
 110
 111                     transaction.putOperationalData(path, point);
 112                     if ((fcncu.getState() != null && fcncu.getState().isLinkDown())
 113                             || (fcncu.getConfiguration() != null && fcncu.getConfiguration().isPORTDOWN())) {
 114                         removeAffectedLinks(transaction, point.getTpId());
 115                     }
 116                 }
 117             });
 118         }
 119     }
 120
 121     @Override
 122     public void onLinkDiscovered(final LinkDiscovered notification) {
 123         processor.enqueueOperation(new TopologyOperation() {
 124             @Override
 125             public void applyOperation(final DataModificationTransaction transaction) {
 126                 Link link = toTopologyLink(notification);
 127                 InstanceIdentifier<Link> path = linkPath(link);
 128                 transaction.putOperationalData(path, link);
 129             }
 130         });
 131     }
 132
 133     @Override
 134     public void onLinkOverutilized(final LinkOverutilized notification) {
 135         // NOOP
 136     }
 137
 138     @Override
 139     public void onLinkRemoved(final LinkRemoved notification) {
 140         processor.enqueueOperation(new TopologyOperation() {
 141             @Override
 142             public void applyOperation(final DataModificationTransaction transaction) {
 143                 transaction.removeOperationalData(linkPath(toTopologyLink(notification)));
 144             }
 145         });
 146     }
 147
 148     @Override
 149     public void onLinkUtilizationNormal(final LinkUtilizationNormal notification) {
 150         // NOOP
 151     }
 152
 153     private InstanceIdentifier<Node> toNodeIdentifier(final NodeRef ref) {
 154         org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
 155         NodeKey nodeKey = new NodeKey(toTopologyNodeId(invNodeKey.getId()));
 156         return topology.child(Node.class, nodeKey);
 157     }
 158
 159     private InstanceIdentifier<TerminationPoint> toTerminationPointIdentifier(final NodeConnectorRef ref) {
 160         org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
 161         NodeConnectorKey invNodeConnectorKey = getNodeConnectorKey(ref);
 162         return tpPath(toTopologyNodeId(invNodeKey.getId()), toTerminationPointId(invNodeConnectorKey.getId()));
 163     }
 164
 165     private void removeAffectedLinks(final DataModificationTransaction transaction, final NodeId id) {
 166         TypeSafeDataReader reader = TypeSafeDataReader.forReader(transaction);
 167         Topology topologyData = reader.readOperationalData(topology);
 168         if (topologyData != null) {
 169             for (Link link : topologyData.getLink()) {
 170                 if (id.equals(link.getSource().getSourceNode()) || id.equals(link.getDestination().getDestNode())) {
 171                     transaction.removeOperationalData(linkPath(link));
 172                 }
 173             }
 174         }
 175     }
 176
 177     private void removeAffectedLinks(final DataModificationTransaction transaction, final TpId id) {
 178         TypeSafeDataReader reader = TypeSafeDataReader.forReader(transaction);
 179         Topology topologyData = reader.readOperationalData(topology);
 180         if (topologyData != null) {
 181             for (Link link : topologyData.getLink()) {
 182                 if (id.equals(link.getSource().getSourceTp()) || id.equals(link.getDestination().getDestTp())) {
 183                     transaction.removeOperationalData(linkPath(link));
 184                 }
 185             }
 186         }
 187     }
 188
 189     private InstanceIdentifier<Node> getNodePath(final NodeId nodeId) {
 190         return topology.child(Node.class, new NodeKey(nodeId));
 191     }
 192
 193     private InstanceIdentifier<TerminationPoint> tpPath(final NodeId nodeId, final TpId tpId) {
 194         NodeKey nodeKey = new NodeKey(nodeId);
 195         TerminationPointKey tpKey = new TerminationPointKey(tpId);
 196         return topology.child(Node.class, nodeKey).child(TerminationPoint.class, tpKey);
 197     }
 198
 199     private InstanceIdentifier<Link> linkPath(final Link link) {
 200         return topology.child(Link.class, link.getKey());
 201     }
 202 }