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