2 * Copyright © 2019 AT&T 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.transportpce.networkmodel.util;
10 import java.util.concurrent.ExecutionException;
11 import java.util.concurrent.TimeUnit;
12 import java.util.concurrent.TimeoutException;
14 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
15 import org.opendaylight.transportpce.common.NetworkUtils;
16 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
17 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Link1;
18 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Link1Builder;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkBuilder;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.link.DestinationBuilder;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.link.SourceBuilder;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 public final class TopologyUtils {
37 private static final Logger LOG = LoggerFactory.getLogger(TopologyUtils.class);
39 private TopologyUtils() {
42 // This method returns the linkBuilder object for given source and destination
43 public static LinkBuilder createLink(String srcNode, String dstNode, String srcTp, String destTp,
46 // Create Destination for link
47 DestinationBuilder dstNodeBldr = new DestinationBuilder()
49 .setDestNode(new NodeId(dstNode));
51 // Create Source for the link
52 SourceBuilder srcNodeBldr = new SourceBuilder()
53 .setSourceNode(new NodeId(srcNode))
57 LinkId oppositeLinkId;
58 if (otnPrefix == null) {
59 linkId = LinkIdUtil.buildLinkId(srcNode, srcTp, dstNode, destTp);
60 oppositeLinkId = LinkIdUtil.buildLinkId(dstNode, destTp, srcNode, srcTp);
62 linkId = LinkIdUtil.buildOtnLinkId(srcNode, srcTp, dstNode, destTp, otnPrefix);
63 oppositeLinkId = LinkIdUtil.buildOtnLinkId(dstNode, destTp, srcNode, srcTp, otnPrefix);
66 Link1 lnk1 = new Link1Builder().setOppositeLink(oppositeLinkId).build();
68 // set link builder attribute
69 LinkBuilder lnkBldr = new LinkBuilder()
70 .setDestination(dstNodeBldr.build())
71 .setSource(srcNodeBldr.build())
73 .withKey(new LinkKey(linkId))
74 .addAugmentation(Link1.class,lnk1);
78 // This method returns the linkBuilder object for given source and destination
79 public static boolean deleteLink(String srcNode, String dstNode, String srcTp, String destTp,
80 NetworkTransactionService networkTransactionService) {
81 LOG.info("deleting link for {}-{}", srcNode, dstNode);
82 LinkId linkId = LinkIdUtil.buildLinkId(srcNode, srcTp, dstNode, destTp);
83 if (deleteLinkLinkId(linkId, networkTransactionService)) {
84 LOG.debug("Link Id {} updated to have admin state down", linkId);
87 LOG.debug("Link Id not found for Source {} and Dest {}", srcNode, dstNode);
92 // This method returns the linkBuilder object for given source and destination
93 public static boolean deleteLinkLinkId(LinkId linkId , NetworkTransactionService networkTransactionService) {
94 LOG.info("deleting link for LinkId: {}", linkId.getValue());
96 InstanceIdentifier.InstanceIdentifierBuilder<Link> linkIID = InstanceIdentifier.builder(Networks.class)
97 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
98 .augmentation(Network1.class).child(Link.class, new LinkKey(linkId));
99 java.util.Optional<Link> link =
100 networkTransactionService.read(LogicalDatastoreType.CONFIGURATION,linkIID.build()).get();
101 if (link.isPresent()) {
102 LinkBuilder linkBuilder = new LinkBuilder(link.get());
103 Link1Builder link1Builder = new Link1Builder(linkBuilder.augmentation(Link1.class));
104 linkBuilder.removeAugmentation(Link1.class);
105 linkBuilder.addAugmentation(Link1.class,link1Builder.build());
106 networkTransactionService.merge(LogicalDatastoreType.CONFIGURATION, linkIID.build(),
107 linkBuilder.build());
108 networkTransactionService.commit().get(1, TimeUnit.SECONDS);
111 LOG.error("No link found for given LinkId: {}",
116 } catch (InterruptedException | ExecutionException | TimeoutException e) {
117 LOG.error("Error deleting link {}", linkId.getValue(), e);