neutron-ovsdb/src/main/java/org/opendaylight/groupbasedpolicy/neutron/ovsdb/util/EndpointHelper.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.util;
   9
  10 import static org.opendaylight.groupbasedpolicy.util.DataStoreHelper.readFromDs;
  11 import static org.opendaylight.groupbasedpolicy.util.IidFactory.endpointIid;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  15 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  18 import org.opendaylight.groupbasedpolicy.util.IidFactory;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContext;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.google.common.base.Optional;
  30
  31 public class EndpointHelper {
  32     private static final Logger LOG = LoggerFactory.getLogger(EndpointHelper.class);
  33
  34     /**
  35      * Look up the {@link Endpoint} from the Endpoint Registry.
  36      *
  37      * @param epKey The {@link EndpointKey} to look up
  38      * @param dataBroker The {@link DataBroker} to use for the transaction
  39      * @return The corresponding {@link Endpoint}, null if not found
  40      */
  41     public static Endpoint lookupEndpoint(EndpointKey epKey, ReadOnlyTransaction transaction) {
  42
  43         Optional<Endpoint> optionalEp = readFromDs(LogicalDatastoreType.OPERATIONAL, endpointIid(epKey.getL2Context(),epKey.getMacAddress()), transaction );
  44         if (optionalEp.isPresent()) {
  45             return optionalEp.get();
  46         }
  47         return null;
  48     }
  49
  50     /**
  51      * Updates an {@link Endpoint} location based on OVSDB Termination point notification.
  52      *
  53      * Note this updates the datastore directly. It does not use the Endpoint RPC, as this has
  54      * unfortunate side-effects on EndpointL3 augmentations.
  55      *
  56      * @param endpoint
  57      * @param nodeIdString
  58      * @param nodeConnectorIdString
  59      * @param rwTx
  60      */
  61     public static void updateEndpointWithLocation(Endpoint endpoint, String nodeIdString,
  62         String nodeConnectorIdString, ReadWriteTransaction rwTx) {
  63
  64         NodeId invNodeId = new NodeId(nodeIdString);
  65         NodeConnectorId ncId = new NodeConnectorId(nodeConnectorIdString);
  66
  67         OfOverlayContext ofc = endpoint.getAugmentation(OfOverlayContext.class);
  68         OfOverlayContextBuilder ofcBuilder = new OfOverlayContextBuilder(ofc).setNodeConnectorId(ncId).setNodeId(invNodeId);
  69         EndpointBuilder epBuilder = new EndpointBuilder(endpoint);
  70         epBuilder.addAugmentation(OfOverlayContext.class, ofcBuilder.build());
  71         Endpoint newEp = epBuilder.build();
  72         rwTx.put(LogicalDatastoreType.OPERATIONAL, IidFactory.endpointIid(newEp.getL2Context(), newEp.getMacAddress()), newEp);
  73         DataStoreHelper.submitToDs(rwTx);
  74
  75     }
  76
  77 }