applications/topology-manager/src/main/java/org/opendaylight/openflowplugin/applications/topology/manager/TopologyManagerUtil.java

   1 /*
   2  * Copyright (c) 2015, 2017 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.openflowplugin.applications.topology.manager;
   9
  10 import com.google.common.base.Optional;
  11 import java.util.Collections;
  12 import java.util.List;
  13 import java.util.concurrent.ExecutionException;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.openflowplugin.common.txchain.TransactionChainManager;
  16 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  17 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 final class TopologyManagerUtil {
  25
  26     private static final Logger LOG = LoggerFactory.getLogger(TopologyManagerUtil.class);
  27
  28     private TopologyManagerUtil() {
  29     }
  30
  31     static void removeAffectedLinks(final NodeId id, final TransactionChainManager manager,
  32                                     InstanceIdentifier<Topology> topology) {
  33         Optional<Topology> topologyOptional = Optional.absent();
  34         try {
  35             topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).get();
  36         } catch (InterruptedException | ExecutionException e) {
  37             LOG.warn("Error reading topology data for topology {}: {}", topology, e.getMessage());
  38             LOG.debug("Error reading topology data for topology.. ", e);
  39         }
  40         if (topologyOptional.isPresent()) {
  41             removeAffectedLinks(id, topologyOptional, manager, topology);
  42         }
  43     }
  44
  45     private static void removeAffectedLinks(final NodeId id, Optional<Topology> topologyOptional,
  46                                             TransactionChainManager manager,
  47                                             final InstanceIdentifier<Topology> topology) {
  48         if (!topologyOptional.isPresent()) {
  49             return;
  50         }
  51
  52         List<Link> linkList =
  53                 topologyOptional.get().getLink() != null ? topologyOptional.get().getLink() : Collections.emptyList();
  54         for (Link link : linkList) {
  55             if (id.equals(link.getSource().getSourceNode()) || id.equals(link.getDestination().getDestNode())) {
  56                 manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
  57             }
  58         }
  59     }
  60
  61     static void removeAffectedLinks(final TpId id, final TransactionChainManager manager,
  62                                     final InstanceIdentifier<Topology> topology) {
  63         Optional<Topology> topologyOptional = Optional.absent();
  64         try {
  65             topologyOptional = manager.readFromTransaction(LogicalDatastoreType.OPERATIONAL, topology).get();
  66         } catch (InterruptedException | ExecutionException e) {
  67             LOG.warn("Error reading topology data for topology {}: {}", topology, e.getMessage());
  68             LOG.debug("Error reading topology data for topology..", e);
  69         }
  70         if (topologyOptional.isPresent()) {
  71             removeAffectedLinks(id, topologyOptional, manager, topology);
  72         }
  73     }
  74
  75     private static void removeAffectedLinks(final TpId id, Optional<Topology> topologyOptional,
  76                                             TransactionChainManager manager,
  77                                             final InstanceIdentifier<Topology> topology) {
  78         if (!topologyOptional.isPresent()) {
  79             return;
  80         }
  81
  82         List<Link> linkList = topologyOptional.get().getLink() != null ? topologyOptional.get()
  83                 .getLink() : Collections.<Link>emptyList();
  84         for (Link link : linkList) {
  85             if (id.equals(link.getSource().getSourceTp()) || id.equals(link.getDestination().getDestTp())) {
  86                 manager.addDeleteOperationToTxChain(LogicalDatastoreType.OPERATIONAL, linkPath(link, topology));
  87             }
  88         }
  89     }
  90
  91     static InstanceIdentifier<Link> linkPath(final Link link, final InstanceIdentifier<Topology> topology) {
  92         return topology.child(Link.class, link.key());
  93     }
  94
  95
  96 }