/*
* 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 static org.opendaylight.groupbasedpolicy.util.IidFactory.endpointIid;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
import org.opendaylight.groupbasedpolicy.util.IidFactory;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContext;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import com.google.common.base.Optional;
public class EndpointHelper {
/**
* Look up the {@link Endpoint} from the Endpoint Registry.
*
* @param epKey The {@link EndpointKey} to look up
* @param transaction The {@link ReadOnlyTransaction}
* @return The corresponding {@link Endpoint}, null if not found
*/
public static Endpoint lookupEndpoint(EndpointKey epKey, ReadOnlyTransaction transaction) {
Optional<Endpoint> optionalEp = readFromDs(LogicalDatastoreType.OPERATIONAL, endpointIid(epKey.getL2Context(),epKey.getMacAddress()), transaction );
if (optionalEp.isPresent()) {
return optionalEp.get();
}
return null;
}
/**
* Updates an {@link Endpoint} location based on OVSDB Termination point notification.
*
* Note this updates the datastore directly. It does not use the Endpoint RPC, as this has
* unfortunate side-effects on EndpointL3 augmentations.
*
* @param endpoint the network endpoint
* @param nodeIdString the string representation of the inventory NodeId
* @param nodeConnectorIdString the string representation of the inventory NodeConnectorId
* @param rwTx a reference to ReadWriteTransaction object
*/
public static void updateEndpointWithLocation(Endpoint endpoint, String nodeIdString, String nodeConnectorIdString,
ReadWriteTransaction rwTx) {
NodeId invNodeId = new NodeId(nodeIdString);
NodeConnectorId ncId = new NodeConnectorId(nodeConnectorIdString);
OfOverlayContext newOfOverlayCtx =
new OfOverlayContextBuilder().setNodeId(invNodeId).setNodeConnectorId(ncId).build();
rwTx.merge(LogicalDatastoreType.OPERATIONAL,
IidFactory.endpointIid(endpoint.getKey()).augmentation(OfOverlayContext.class), newOfOverlayCtx);
DataStoreHelper.submitToDs(rwTx);
}
public static void updateEndpointRemoveLocation(Endpoint endpoint, ReadWriteTransaction rwTx) {
EndpointBuilder epBuilder = new EndpointBuilder(endpoint);
Endpoint newEp = epBuilder.build();
epBuilder.removeAugmentation(OfOverlayContext.class);
rwTx.put(LogicalDatastoreType.OPERATIONAL, IidFactory.endpointIid(newEp.getL2Context(), newEp.getMacAddress()), newEp);
DataStoreHelper.submitToDs(rwTx);
}
}