2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.openflowplugin.applications.topology.manager;
10 import static org.opendaylight.openflowplugin.applications.topology.manager.FlowCapableNodeMapping.getNodeConnectorKey;
11 import static org.opendaylight.openflowplugin.applications.topology.manager.FlowCapableNodeMapping.getNodeKey;
12 import static org.opendaylight.openflowplugin.applications.topology.manager.FlowCapableNodeMapping.toTerminationPointId;
13 import static org.opendaylight.openflowplugin.applications.topology.manager.FlowCapableNodeMapping.toTopologyLink;
14 import static org.opendaylight.openflowplugin.applications.topology.manager.FlowCapableNodeMapping.toTopologyNodeId;
16 import com.google.common.base.Optional;
17 import com.google.common.base.Preconditions;
18 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.FlowTopologyDiscoveryListener;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkDiscovered;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkOverutilized;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkRemoved;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.topology.discovery.rev130819.LinkUtilizationNormal;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
41 class FlowCapableTopologyExporter implements FlowTopologyDiscoveryListener {
43 private static final Logger LOG = LoggerFactory.getLogger(FlowCapableTopologyExporter.class);
44 protected final InstanceIdentifier<Topology> iiToTopology;
45 private final OperationProcessor processor;
47 FlowCapableTopologyExporter(final OperationProcessor processor,
48 final InstanceIdentifier<Topology> topology) {
49 this.processor = Preconditions.checkNotNull(processor);
50 this.iiToTopology = Preconditions.checkNotNull(topology);
54 public void onLinkDiscovered(final LinkDiscovered notification) {
55 processor.enqueueOperation(new TopologyOperation() {
57 public void applyOperation(final ReadWriteTransaction transaction) {
58 final Link link = toTopologyLink(notification);
59 final InstanceIdentifier<Link> path = TopologyManagerUtil.linkPath(link, iiToTopology);
60 transaction.merge(LogicalDatastoreType.OPERATIONAL, path, link, true);
64 public String toString() {
65 return "onLinkDiscovered";
71 public void onLinkOverutilized(final LinkOverutilized notification) {
76 public void onLinkRemoved(final LinkRemoved notification) {
77 processor.enqueueOperation(new TopologyOperation() {
79 public void applyOperation(final ReadWriteTransaction transaction) {
80 Optional<Link> linkOptional = Optional.absent();
82 // read that checks if link exists (if we do not do this we might get an exception on delete)
83 linkOptional = transaction.read(LogicalDatastoreType.OPERATIONAL,
84 TopologyManagerUtil.linkPath(toTopologyLink(notification), iiToTopology)).checkedGet();
85 } catch (ReadFailedException e) {
86 LOG.warn("Error occured when trying to read Link: {}", e.getMessage());
87 LOG.debug("Error occured when trying to read Link.. ", e);
89 if (linkOptional.isPresent()) {
90 transaction.delete(LogicalDatastoreType.OPERATIONAL, TopologyManagerUtil.linkPath(toTopologyLink(notification), iiToTopology));
95 public String toString() {
96 return "onLinkRemoved";
102 public void onLinkUtilizationNormal(final LinkUtilizationNormal notification) {
106 private InstanceIdentifier<Node> toNodeIdentifier(final NodeRef ref) {
107 org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
108 NodeKey nodeKey = new NodeKey(toTopologyNodeId(invNodeKey.getId()));
109 return iiToTopology.child(Node.class, nodeKey);
112 private InstanceIdentifier<TerminationPoint> toTerminationPointIdentifier(final NodeConnectorRef ref) {
113 org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey invNodeKey = getNodeKey(ref);
114 NodeConnectorKey invNodeConnectorKey = getNodeConnectorKey(ref);
115 return tpPath(toTopologyNodeId(invNodeKey.getId()), toTerminationPointId(invNodeConnectorKey.getId()));
118 private InstanceIdentifier<Node> getNodePath(final NodeId nodeId) {
119 return iiToTopology.child(Node.class, new NodeKey(nodeId));
122 private InstanceIdentifier<TerminationPoint> tpPath(final NodeId nodeId, final TpId tpId) {
123 NodeKey nodeKey = new NodeKey(nodeId);
124 TerminationPointKey tpKey = new TerminationPointKey(tpId);
125 return iiToTopology.child(Node.class, nodeKey).child(TerminationPoint.class, tpKey);