+/**
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.md.compatibility.topology;
+
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.Set;
+
+import org.opendaylight.controller.sal.binding.api.data.RuntimeDataProvider;
+import org.opendaylight.controller.sal.core.ConstructionException;
+import org.opendaylight.controller.sal.core.Edge;
+import org.opendaylight.controller.sal.core.NodeConnector;
+import org.opendaylight.controller.sal.core.Property;
+import org.opendaylight.controller.switchmanager.ISwitchManager;
+import org.opendaylight.controller.topologymanager.ITopologyManager;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.DestinationBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.SourceBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TopologyReader implements RuntimeDataProvider {
+ private static final Logger LOG = LoggerFactory.getLogger(TopologyReader.class);
+ private final InstanceIdentifier<Topology> topologyPath;
+ private final TopologyKey topologyKey;
+ private final TopologyMapping mapping;
+ private ITopologyManager topologyManager;
+ private ISwitchManager switchManager;
+
+ public ISwitchManager getSwitchManager() {
+ return this.switchManager;
+ }
+
+ public void setSwitchManager(final ISwitchManager switchManager) {
+ this.switchManager = switchManager;
+ }
+
+ public ITopologyManager getTopologyManager() {
+ return this.topologyManager;
+ }
+
+ public void setTopologyManager(final ITopologyManager topologyManager) {
+ this.topologyManager = topologyManager;
+ }
+
+ public TopologyKey getTopologyKey() {
+ return this.topologyKey;
+ }
+
+ public TopologyMapping getMapping() {
+ return this.mapping;
+ }
+
+ public TopologyReader() {
+ this.topologyKey = new TopologyKey(new TopologyId("compatibility:ad-sal"));
+ this.topologyPath = InstanceIdentifier.builder(NetworkTopology.class)
+ .child(Topology.class, topologyKey)
+ .toInstance();
+ this.mapping = new TopologyMapping(topologyKey, topologyPath);
+ }
+
+ @Override
+ public DataObject readConfigurationData(final InstanceIdentifier<? extends DataObject> path) {
+ // Topology and Inventory are operational only
+ return null;
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public DataObject readOperationalData(final InstanceIdentifier<? extends DataObject> path) {
+ if (!topologyPath.contains(path)) {
+ return null;
+ }
+
+ final Class<? extends DataObject> type = path.getTargetType();
+ if (Link.class.equals(type)) {
+ return readLink((InstanceIdentifier<Link>) path);
+ }
+ if (Node.class.equals(type)) {
+ return readNode((InstanceIdentifier<Node>) path);
+ }
+ if (TerminationPoint.class.equals(type)) {
+ return readTerminationPoint((InstanceIdentifier<TerminationPoint>) path);
+
+ }
+ if (Topology.class.equals(type)) {
+ return readTopology((InstanceIdentifier<Topology>) path);
+ }
+
+ LOG.debug("Unsupported type {}", type);
+ return null;
+ }
+
+ private Link readLink(final InstanceIdentifier<Link> identifier) {
+ final Edge edge;
+ try {
+ edge = this.mapping.toAdTopologyEdge(identifier);
+ } catch (ConstructionException e) {
+ throw new IllegalStateException(String.format("Failed to construct edge for link %s", identifier), e);
+ }
+
+ final Map<Edge,Set<Property>> edges;
+ if (topologyManager != null) {
+ edges = topologyManager.getEdges();
+ } else {
+ edges = null;
+ }
+
+ final Set<Property> properties;
+ if (edges != null) {
+ properties = edges.get(edge);
+ } else {
+ properties = null;
+ }
+
+ return constructLink(edge);
+ }
+
+ private TerminationPoint readTerminationPoint(final InstanceIdentifier<TerminationPoint> identifier) {
+ return constructTerminationPoint(mapping.toAdTopologyNodeConnector(identifier));
+ }
+
+ private Node readNode(final InstanceIdentifier<Node> identifier) {
+ return constructNode(mapping.toAdTopologyNode(identifier));
+ }
+
+ private Topology readTopology(final InstanceIdentifier<Topology> identifier) {
+ final Set<org.opendaylight.controller.sal.core.Node> nodes = getSwitchManager().getNodes();
+ final ArrayList<Node> nodeList = new ArrayList<Node>(nodes.size());
+ for (final org.opendaylight.controller.sal.core.Node node : nodes) {
+ nodeList.add(constructNode(node));
+ }
+
+ final Map<Edge,Set<Property>> edges = getTopologyManager().getEdges();
+ final ArrayList<Link> linkList = new ArrayList<Link>(edges.size());
+ for (final Edge edge : edges.keySet()) {
+ linkList.add(constructLink(edge));
+ }
+
+ return new TopologyBuilder()
+ .setKey(topologyKey)
+ .setNode(nodeList)
+ .setLink(linkList)
+ .build();
+ }
+
+ private Link constructLink(final Edge edge) {
+ final NodeConnector sourceNc = edge.getTailNodeConnector();
+ final NodeConnector destNc = edge.getHeadNodeConnector();
+
+ final LinkBuilder it = new LinkBuilder().setKey(mapping.toTopologyLinkKey(edge));
+
+ it.setSource(new SourceBuilder()
+ .setSourceNode(mapping.toTopologyNodeKey(sourceNc.getNode()).getNodeId())
+ .setSourceTp(mapping.toTopologyTerminationPointKey(sourceNc).getTpId())
+ .build());
+
+ it.setDestination(new DestinationBuilder()
+ .setDestNode(mapping.toTopologyNodeKey(destNc.getNode()).getNodeId())
+ .setDestTp(mapping.toTopologyTerminationPointKey(destNc).getTpId())
+ .build());
+
+ return it.build();
+ }
+
+ private Node constructNode(final org.opendaylight.controller.sal.core.Node node) {
+ final Set<NodeConnector> connectors = getSwitchManager().getNodeConnectors(node);
+ final ArrayList<TerminationPoint> tpList = new ArrayList<TerminationPoint>(connectors.size());
+ for (final NodeConnector connector : connectors) {
+ tpList.add(constructTerminationPoint(connector));
+ }
+
+ return new NodeBuilder()
+ .setKey(mapping.toTopologyNodeKey(node))
+ .setTerminationPoint(tpList)
+ .build();
+ }
+
+ private TerminationPoint constructTerminationPoint(final NodeConnector connector) {
+ return new TerminationPointBuilder().setKey(mapping.toTopologyTerminationPointKey(connector)).build();
+ }
+}
Code Review / controller.git / commitdiff