networkmodel/src/main/java/org/opendaylight/transportpce/networkmodel/NetworkUtilsImpl.java

   1 /*
   2  * Copyright © 2017 AT&T 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.networkmodel;
   9
  10 import com.google.common.collect.ClassToInstanceMap;
  11 import com.google.common.collect.ImmutableClassToInstanceMap;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.Optional;
  14 import java.util.concurrent.ExecutionException;
  15 import org.opendaylight.mdsal.binding.api.DataBroker;
  16 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  17 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  18 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  19 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  20 import org.opendaylight.transportpce.common.NetworkUtils;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLink;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLinkInput;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLinkOutput;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLinkOutputBuilder;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinks;
  26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinksInput;
  27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinksOutput;
  28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinksOutputBuilder;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodes;
  30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodesInput;
  31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodesOutput;
  32 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodesOutputBuilder;
  33 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinks;
  34 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinksInput;
  35 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinksOutput;
  36 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinksOutputBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
  45 import org.opendaylight.yangtools.concepts.Registration;
  46 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  47 import org.opendaylight.yangtools.yang.binding.Rpc;
  48 import org.opendaylight.yangtools.yang.common.RpcResult;
  49 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  50 import org.osgi.service.component.annotations.Activate;
  51 import org.osgi.service.component.annotations.Component;
  52 import org.osgi.service.component.annotations.Deactivate;
  53 import org.osgi.service.component.annotations.Reference;
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 @Component
  58 public class NetworkUtilsImpl {
  59
  60     private static final Logger LOG = LoggerFactory.getLogger(NetworkUtilsImpl.class);
  61     private final DataBroker dataBroker;
  62     private final Registration rpcReg;
  63
  64     @Activate
  65     public NetworkUtilsImpl(@Reference DataBroker dataBroker, @Reference RpcProviderService rpcProvider) {
  66         this.dataBroker = dataBroker;
  67         rpcReg = rpcProvider.registerRpcImplementations(getRpcClassToInstanceMap());
  68         LOG.info("NetworkUtilsImpl instanciated");
  69     }
  70
  71     @Deactivate
  72     public void close() {
  73         rpcReg.close();
  74         LOG.info("{} closed", getClass().getSimpleName());
  75     }
  76
  77     private ListenableFuture<RpcResult<DeleteLinkOutput>> deleteLink(DeleteLinkInput input) {
  78
  79         LinkId linkId = new LinkId(input.getLinkId());
  80         // Building link instance identifier
  81         InstanceIdentifier.Builder<Link> linkIID = InstanceIdentifier.builder(Networks.class)
  82             .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
  83             .augmentation(Network1.class).child(Link.class, new LinkKey(linkId));
  84
  85
  86         //Check if link exists
  87         try {
  88             ReadTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction();
  89             Optional<Link> linkOptional = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, linkIID.build())
  90                 .get();
  91             if (!linkOptional.isPresent()) {
  92                 LOG.info("Link not present");
  93                 return RpcResultBuilder
  94                     .success(new DeleteLinkOutputBuilder().setResult("Fail").build())
  95                     .buildFuture();
  96             }
  97         } catch (ExecutionException | InterruptedException e) {
  98             LOG.error("readMdSal: Error reading link {}", input.getLinkId());
  99             return RpcResultBuilder
 100                 .success(new DeleteLinkOutputBuilder().setResult("Fail").build())
 101                 .buildFuture();
 102         }
 103
 104         WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
 105         writeTransaction.delete(LogicalDatastoreType.CONFIGURATION, linkIID.build());
 106         try {
 107             writeTransaction.commit().get();
 108             LOG.info("Link with linkId: {} deleted from {} layer.",
 109                 input.getLinkId(), NetworkUtils.OVERLAY_NETWORK_ID);
 110             return RpcResultBuilder
 111                 .success(new DeleteLinkOutputBuilder().setResult("Link {} deleted successfully").build())
 112                 .buildFuture();
 113         } catch (InterruptedException | ExecutionException e) {
 114             return RpcResultBuilder.<DeleteLinkOutput>failed().buildFuture();
 115         }
 116     }
 117
 118     private ListenableFuture<RpcResult<InitRoadmNodesOutput>> initRoadmNodes(InitRoadmNodesInput input) {
 119         boolean createRdmLinks = OrdLink.createRdm2RdmLinks(input, this.dataBroker);
 120         if (createRdmLinks) {
 121             return RpcResultBuilder
 122                 .success(new InitRoadmNodesOutputBuilder()
 123                     .setResult("Unidirectional Roadm-to-Roadm Link created successfully")
 124                     .build())
 125                 .buildFuture();
 126         } else {
 127             return RpcResultBuilder.<InitRoadmNodesOutput>failed().buildFuture();
 128         }
 129     }
 130
 131     private ListenableFuture<RpcResult<InitXpdrRdmLinksOutput>> initXpdrRdmLinks(InitXpdrRdmLinksInput input) {
 132         // Assigns user provided input in init-network-view RPC to nodeId
 133         LOG.info("Xpdr to Roadm links rpc called");
 134         boolean createXpdrRdmLinks = Rdm2XpdrLink.createXpdrRdmLinks(input.getLinksInput(), this.dataBroker);
 135         if (createXpdrRdmLinks) {
 136             return RpcResultBuilder
 137                 .success(new InitXpdrRdmLinksOutputBuilder()
 138                     .setResult("Xponder Roadm Link created successfully")
 139                     .build())
 140                 .buildFuture();
 141         } else {
 142             LOG.error("init-xpdr-rdm-links rpc failed due to a bad input parameter");
 143             return RpcResultBuilder.<InitXpdrRdmLinksOutput>failed().buildFuture();
 144         }
 145     }
 146
 147     private ListenableFuture<RpcResult<InitRdmXpdrLinksOutput>> initRdmXpdrLinks(InitRdmXpdrLinksInput input) {
 148         LOG.info("Roadm to Xpdr links rpc called");
 149         boolean createRdmXpdrLinks = Rdm2XpdrLink.createRdmXpdrLinks(input.getLinksInput(), this.dataBroker);
 150         if (createRdmXpdrLinks) {
 151             return RpcResultBuilder
 152                 .success(new InitRdmXpdrLinksOutputBuilder()
 153                     .setResult("Roadm Xponder links created successfully")
 154                     .build())
 155                 .buildFuture();
 156         } else {
 157             LOG.error("init-rdm-xpdr-links rpc failed due to a bad input parameter");
 158             return RpcResultBuilder.<InitRdmXpdrLinksOutput>failed().buildFuture();
 159         }
 160     }
 161
 162     public final ClassToInstanceMap<Rpc<?, ?>> getRpcClassToInstanceMap() {
 163         return ImmutableClassToInstanceMap.<Rpc<?, ?>>builder()
 164             .put(DeleteLink.class, this::deleteLink)
 165             .put(InitRoadmNodes.class, this::initRoadmNodes)
 166             .put(InitXpdrRdmLinks.class, this::initXpdrRdmLinks)
 167             .put(InitRdmXpdrLinks.class, this::initRdmXpdrLinks)
 168             .build();
 169     }
 170 }