neutron-ovsdb/src/main/java/org/opendaylight/groupbasedpolicy/neutron/ovsdb/ProviderPhysicalNetworkListener.java

   1 /*
   2  * Copyright (c) 2015 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.groupbasedpolicy.neutron.ovsdb;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  11 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  12 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  14 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  17 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
  18 import org.opendaylight.groupbasedpolicy.util.IidFactory;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2FloodDomainId;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.Mappings;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.NeutronByGbpMappings;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ProviderPhysicalNetworksAsL2FloodDomains;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.provider.physical.networks.as.l2.flood.domains.ProviderPhysicalNetworkAsL2FloodDomain;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.Segmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.SegmentationBuilder;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.google.common.base.Strings;
  32
  33 public class ProviderPhysicalNetworkListener extends DataTreeChangeHandler<ProviderPhysicalNetworkAsL2FloodDomain> {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(ProviderPhysicalNetworkListener.class);
  36
  37     protected ProviderPhysicalNetworkListener(DataBroker dataProvider) {
  38         super(dataProvider,
  39                 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
  40                         InstanceIdentifier.builder(Mappings.class)
  41                             .child(NeutronByGbpMappings.class)
  42                             .child(ProviderPhysicalNetworksAsL2FloodDomains.class)
  43                             .child(ProviderPhysicalNetworkAsL2FloodDomain.class)
  44                             .build()));
  45     }
  46
  47     @Override
  48     protected void onWrite(DataObjectModification<ProviderPhysicalNetworkAsL2FloodDomain> rootNode,
  49             InstanceIdentifier<ProviderPhysicalNetworkAsL2FloodDomain> rootIdentifier) {
  50         L2FloodDomainId l2FdId = rootNode.getDataAfter().getL2FloodDomainId();
  51         TenantId tenantId = rootNode.getDataAfter().getTenantId();
  52         String segmentationId = rootNode.getDataAfter().getSegmentationId();
  53         augmentSegmentationToFloodDomain(tenantId, l2FdId, segmentationId);
  54     }
  55
  56     @Override
  57     protected void onDelete(DataObjectModification<ProviderPhysicalNetworkAsL2FloodDomain> rootNode,
  58             InstanceIdentifier<ProviderPhysicalNetworkAsL2FloodDomain> rootIdentifier) {
  59         L2FloodDomainId l2FdId = rootNode.getDataBefore().getL2FloodDomainId();
  60         TenantId tenantId = rootNode.getDataBefore().getTenantId();
  61         augmentSegmentationToFloodDomain(tenantId, l2FdId, null);
  62     }
  63
  64     @Override
  65     protected void onSubtreeModified(DataObjectModification<ProviderPhysicalNetworkAsL2FloodDomain> rootNode,
  66             InstanceIdentifier<ProviderPhysicalNetworkAsL2FloodDomain> rootIdentifier) {
  67         L2FloodDomainId l2FdId = rootNode.getDataAfter().getL2FloodDomainId();
  68         TenantId tenantId = rootNode.getDataAfter().getTenantId();
  69         String segmentationId = rootNode.getDataAfter().getSegmentationId();
  70         augmentSegmentationToFloodDomain(tenantId, l2FdId, segmentationId);
  71     }
  72
  73     private void augmentSegmentationToFloodDomain(TenantId tenantId, L2FloodDomainId l2FdId, String segmentationId) {
  74         if (Strings.isNullOrEmpty(segmentationId)) {
  75             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  76             DataStoreHelper.removeIfExists(LogicalDatastoreType.CONFIGURATION,
  77                     IidFactory.l2FloodDomainIid(tenantId, l2FdId).augmentation(Segmentation.class), rwTx);
  78             DataStoreHelper.submitToDs(rwTx);
  79         } else {
  80             try {
  81                 Segmentation segmentation =
  82                         new SegmentationBuilder().setSegmentationId(Integer.valueOf(segmentationId)).build();
  83                 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
  84                 wTx.merge(LogicalDatastoreType.CONFIGURATION,
  85                         IidFactory.l2FloodDomainIid(tenantId, l2FdId).augmentation(Segmentation.class), segmentation);
  86                 DataStoreHelper.submitToDs(wTx);
  87             } catch (NumberFormatException e) {
  88                 LOG.info("Segmentation ID of Neutron Provider Physical Network {} is not a number but is {}.",
  89                         l2FdId.getValue(), segmentationId);
  90             }
  91         }
  92     }
  93
  94 }