2 * Copyright (c) 2015 Cisco Systems, Inc. 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
9 package org.opendaylight.groupbasedpolicy.neutron.ovsdb.util;
11 import static org.opendaylight.groupbasedpolicy.util.DataStoreHelper.readFromDs;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Uuid;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.Mappings;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.GbpByNeutronMappings;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.EndpointsByPorts;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPort;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPortKey;
24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
26 import com.google.common.base.Optional;
28 public class NeutronHelper {
31 * This looks up the Endpoint L2 key from an
32 * operational data store kept in neutron-mapper
34 * @param externalId The neutron port UUID
35 * @param dataBroker {@link DataBroker} to use for the transaction
36 * @return {@link EndpointKey} of the matching Endpoint, null if not found
38 public static EndpointKey getEpKeyFromNeutronMapper(Uuid externalId, DataBroker dataBroker) {
40 ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
41 InstanceIdentifier<EndpointByPort> iid = InstanceIdentifier
42 .create(Mappings.class)
43 .child(GbpByNeutronMappings.class)
44 .child(EndpointsByPorts.class)
45 .child(EndpointByPort.class, new EndpointByPortKey(new UniqueId(externalId)));
46 Optional<EndpointByPort> optionalEp = readFromDs(LogicalDatastoreType.OPERATIONAL, iid, transaction );
47 if (optionalEp.isPresent()) {
48 EndpointByPort epByPort = optionalEp.get();
49 return new EndpointKey(epByPort.getL2Context(), epByPort.getMacAddress());