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