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