tapi/src/main/java/org/opendaylight/transportpce/tapi/topology/TapiNetworkUtilsImpl.java

   1 /*
   2  * Copyright © 2021 Nokia, 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.transportpce.tapi.topology;
   9
  10 import com.google.common.collect.ImmutableClassToInstanceMap;
  11 import java.nio.charset.Charset;
  12 import java.util.Map;
  13 import java.util.UUID;
  14 import java.util.concurrent.ExecutionException;
  15 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
  18 import org.opendaylight.transportpce.tapi.TapiStringConstants;
  19 import org.opendaylight.transportpce.tapi.impl.rpc.DeleteTapiLinkImpl;
  20 import org.opendaylight.transportpce.tapi.impl.rpc.InitRoadmRoadmTapiLinkImpl;
  21 import org.opendaylight.transportpce.tapi.impl.rpc.InitXpdrRdmTapiLinkImpl;
  22 import org.opendaylight.transportpce.tapi.utils.TapiLink;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.tapinetworkutils.rev230728.DeleteTapiLink;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.tapinetworkutils.rev230728.InitRoadmRoadmTapiLink;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.tapinetworkutils.rev230728.InitXpdrRdmTapiLink;
  26 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev221121.Context;
  27 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev221121.Uuid;
  28 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev221121.Context1;
  29 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev221121.context.TopologyContext;
  30 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev221121.topology.Link;
  31 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev221121.topology.context.Topology;
  32 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev221121.topology.context.TopologyBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev221121.topology.context.TopologyKey;
  34 import org.opendaylight.yangtools.concepts.Registration;
  35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.binding.Rpc;
  37 import org.osgi.service.component.annotations.Activate;
  38 import org.osgi.service.component.annotations.Component;
  39 import org.osgi.service.component.annotations.Deactivate;
  40 import org.osgi.service.component.annotations.Reference;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 @Component
  45 public class TapiNetworkUtilsImpl {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(TapiNetworkUtilsImpl.class);
  48     private final Uuid tapiTopoUuid = new Uuid(UUID.nameUUIDFromBytes(TapiStringConstants.T0_FULL_MULTILAYER
  49             .getBytes(Charset.forName("UTF-8"))).toString());
  50
  51     private final NetworkTransactionService networkTransactionService;
  52     private Registration reg;
  53
  54     @Activate
  55     public TapiNetworkUtilsImpl(@Reference RpcProviderService rpcProviderService,
  56             @Reference NetworkTransactionService networkTransactionService, @Reference TapiLink tapiLink) {
  57         this.networkTransactionService = networkTransactionService;
  58         this.reg = rpcProviderService.registerRpcImplementations(ImmutableClassToInstanceMap.<Rpc<?, ?>>builder()
  59             .put(InitRoadmRoadmTapiLink.class, new InitRoadmRoadmTapiLinkImpl(tapiLink, this))
  60             .put(InitXpdrRdmTapiLink.class, new InitXpdrRdmTapiLinkImpl(tapiLink, null))
  61             .put(DeleteTapiLink.class, new DeleteTapiLinkImpl(this, networkTransactionService))
  62             .build());
  63         LOG.info("TapiNetworkUtilsImpl instantiated");
  64     }
  65
  66     @Deactivate
  67     public void close() {
  68         this.reg.close();
  69         LOG.info("TapiNetworkUtilsImpl Closed");
  70     }
  71
  72
  73     public Registration getRegisteredRpc() {
  74         return reg;
  75     }
  76
  77     public Uuid getTapiTopoUuid() {
  78         return tapiTopoUuid;
  79     }
  80
  81     public boolean putLinkInTopology(Link tapLink) {
  82         // TODO is this merge correct? Should we just merge topology by changing the nodes map??
  83         // TODO: verify this is correct. Should we identify the context IID with the context UUID??
  84         LOG.info("Creating tapi node in TAPI topology context");
  85         InstanceIdentifier<Topology> topoIID = InstanceIdentifier.builder(Context.class)
  86             .augmentation(Context1.class).child(TopologyContext.class)
  87             .child(Topology.class, new TopologyKey(tapiTopoUuid))
  88             .build();
  89
  90         Topology topology = new TopologyBuilder().setUuid(tapiTopoUuid)
  91             .setLink(Map.of(tapLink.key(), tapLink)).build();
  92
  93         // merge in datastore
  94         this.networkTransactionService.merge(LogicalDatastoreType.OPERATIONAL, topoIID,
  95             topology);
  96         try {
  97             this.networkTransactionService.commit().get();
  98
  99         } catch (InterruptedException | ExecutionException e) {
 100             LOG.error("Error populating TAPI topology: ", e);
 101             return false;
 102         }
 103         LOG.info("TAPI Link added succesfully.");
 104         return true;
 105     }
 106 }