/*
* 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.util;
import static org.opendaylight.groupbasedpolicy.util.DataStoreHelper.readFromDs;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.Mappings;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.GbpByNeutronMappings;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.EndpointsByPorts;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPort;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPortKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import com.google.common.base.Optional;
public class NeutronHelper {
/**
* This looks up the Endpoint L2 key from an
* operational data store kept in neutron-mapper
*
* @param externalId The neutron port UUID
* @param dataBroker {@link DataBroker} to use for the transaction
* @return {@link EndpointKey} of the matching Endpoint, null if not found
*/
public static EndpointKey getEpKeyFromNeutronMapper(UniqueId externalId, DataBroker dataBroker) {
ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
InstanceIdentifier<EndpointByPort> iid = InstanceIdentifier.create(Mappings.class)
.child(GbpByNeutronMappings.class)
.child(EndpointsByPorts.class)
.child(EndpointByPort.class, new EndpointByPortKey(externalId));
Optional<EndpointByPort> optionalEp = readFromDs(LogicalDatastoreType.OPERATIONAL, iid, transaction);
if (optionalEp.isPresent()) {
EndpointByPort epByPort = optionalEp.get();
return new EndpointKey(epByPort.getL2Context(), epByPort.getMacAddress());
}
return null;
}
}