-/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.groupbasedpolicy.neutron.ovsdb;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.util.Map.Entry;
-
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
-import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory;
-import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
-import org.opendaylight.groupbasedpolicy.util.IidFactory;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Key;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.l3endpoint.rev151217.NatAddress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.external.gateways.as.l3.endpoints.ExternalGatewayAsL3Endpoint;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.EndpointLocation.LocationType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayL3Context;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayL3ContextBuilder;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Optional;
-
-public class NeutronGbpExternalGatewaysListener implements DataChangeListener, AutoCloseable {
-
- private static final Logger LOG = LoggerFactory.getLogger(NeutronGbpExternalGatewaysListener.class);
- private final ListenerRegistration<DataChangeListener> gbpExternalGatewaysListener;
- private final DataBroker dataBroker;
-
- public NeutronGbpExternalGatewaysListener(DataBroker dataBroker) {
- this.dataBroker = checkNotNull(dataBroker);
- gbpExternalGatewaysListener = dataBroker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
- NeutronOvsdbIidFactory.neutronGbpExternalGatewayIidWildcard(), this, DataChangeScope.BASE);
-
- LOG.trace("NeutronGbpMapperListener started");
- }
-
- @Override
- public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
-
- /*
- */
- for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getCreatedData().entrySet()) {
- if (entry.getValue() instanceof ExternalGatewayAsL3Endpoint) {
- ExternalGatewayAsL3Endpoint ExternalGatewayAsL3Endpoint = (ExternalGatewayAsL3Endpoint) entry.getValue();
- processExternalGatewayAsL3Endpoint(ExternalGatewayAsL3Endpoint);
- }
- }
-
- /*
- * Updates
- */
- for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getUpdatedData().entrySet()) {
- if (entry.getValue() instanceof ExternalGatewayAsL3Endpoint) {
- ExternalGatewayAsL3Endpoint ExternalGatewayAsL3Endpoint = (ExternalGatewayAsL3Endpoint) entry.getValue();
- processExternalGatewayAsL3Endpoint(ExternalGatewayAsL3Endpoint);
- }
- }
-
- /*
- * Deletions
- */
- for (InstanceIdentifier<?> iid : change.getRemovedPaths()) {
- /*
- * Remove ?
- */
- }
- }
-
- private void processExternalGatewayAsL3Endpoint(ExternalGatewayAsL3Endpoint ExternalGatewayAsL3Endpoint) {
- LOG.trace("Received ExternalGatewayAsL3Endpoints notification {}", ExternalGatewayAsL3Endpoint);
- ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
- EndpointL3Key epL3Key = new EndpointL3Key(ExternalGatewayAsL3Endpoint.getIpAddress(),
- ExternalGatewayAsL3Endpoint.getL3Context());
- InstanceIdentifier<EndpointL3> epL3Iid = IidFactory.l3EndpointIid(epL3Key.getL3Context(),
- epL3Key.getIpAddress());
- Optional<EndpointL3> optEndpointL3 = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL, epL3Iid, rwTx);
-
- if (optEndpointL3.isPresent()) {
- EndpointL3 endpointL3 = optEndpointL3.get();
-
- // Handle Augmentation for location ie Context
- OfOverlayL3Context ofL3ContextAug = endpointL3.getAugmentation(OfOverlayL3Context.class);
- OfOverlayL3ContextBuilder ofL3ContextAugBuilder;
- if (ofL3ContextAug != null) {
- ofL3ContextAugBuilder = new OfOverlayL3ContextBuilder(ofL3ContextAug);
- } else {
- ofL3ContextAugBuilder = new OfOverlayL3ContextBuilder();
- }
- EndpointL3Builder epL3Builder = new EndpointL3Builder(endpointL3).addAugmentation(
- OfOverlayL3Context.class, ofL3ContextAugBuilder.setLocationType(LocationType.External)
- .build());
- // Handle Augmentation for NAT.
- NatAddress ofL3NatAug = endpointL3.getAugmentation(NatAddress.class);
- if (ofL3NatAug != null) {
- epL3Builder.addAugmentation(NatAddress.class, ofL3NatAug);
- }
- rwTx.put(LogicalDatastoreType.OPERATIONAL, epL3Iid, epL3Builder.build());
- DataStoreHelper.submitToDs(rwTx);
- } else {
- LOG.error("External Gateway {} does not exist in Endpoint repository", epL3Key);
- return;
- }
- }
-
- @Override
- public void close() throws Exception {
- gbpExternalGatewaysListener.close();
- }
-
-}