pcep/tunnel/tunnel-provider/src/main/java/org/opendaylight/bgpcep/pcep/tunnel/provider/UpdateTunnelInstructionExecutor.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
   9 package org.opendaylight.bgpcep.pcep.tunnel.provider;
  10
  11 import static java.util.Objects.requireNonNull;
  12
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15 import com.google.common.util.concurrent.MoreExecutors;
  16 import java.util.concurrent.ExecutionException;
  17 import org.opendaylight.bgpcep.pcep.topology.spi.AbstractInstructionExecutor;
  18 import org.opendaylight.bgpcep.programming.topology.TopologyProgrammingUtil;
  19 import org.opendaylight.bgpcep.programming.tunnel.TunnelProgrammingUtil;
  20 import org.opendaylight.mdsal.binding.api.DataBroker;
  21 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  22 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.AdministrativeStatus;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.Arguments3;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.Arguments3Builder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.PcepUpdateTunnelInput1;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.object.LspBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.BandwidthBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.classtype.object.ClassTypeBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lspa.object.LspaBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev181109.NetworkTopologyPcepService;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev181109.OperationResult;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev181109.UpdateLspInput;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev181109.UpdateLspInputBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev181109.PcepUpdateTunnelInput;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev181109.Link1;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  41 import org.opendaylight.yangtools.yang.common.RpcResult;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 final class UpdateTunnelInstructionExecutor extends AbstractInstructionExecutor {
  46     private static final Logger LOG = LoggerFactory.getLogger(UpdateTunnelInstructionExecutor.class);
  47     private final PcepUpdateTunnelInput updateTunnelInput;
  48     private final DataBroker dataProvider;
  49     private final NetworkTopologyPcepService topologyService;
  50
  51     UpdateTunnelInstructionExecutor(final PcepUpdateTunnelInput updateTunnelInput, final DataBroker dataProvider,
  52             final NetworkTopologyPcepService topologyService) {
  53         super(updateTunnelInput);
  54         this.updateTunnelInput = updateTunnelInput;
  55         this.dataProvider = dataProvider;
  56         this.topologyService = topologyService;
  57     }
  58
  59     @Override
  60     protected ListenableFuture<OperationResult> invokeOperation() {
  61         final InstanceIdentifier<Topology> tii = TopologyProgrammingUtil.topologyForInput(this.updateTunnelInput);
  62         final InstanceIdentifier<Link> lii = TunnelProgrammingUtil.linkIdentifier(tii, this.updateTunnelInput);
  63         try (ReadTransaction t = this.dataProvider.newReadOnlyTransaction()) {
  64             final Link link;
  65             final Node node;
  66             try {
  67                 // The link has to exist
  68                 link = t.read(LogicalDatastoreType.OPERATIONAL, lii).get().get();
  69                 // The source node has to exist
  70                 node = TunelProgrammingUtil.sourceNode(t, tii, link).get();
  71             } catch (final InterruptedException | ExecutionException e) {
  72                 LOG.debug("Link or node does not exist.", e);
  73                 return TunelProgrammingUtil.RESULT;
  74             }
  75             return Futures.transform(
  76                     this.topologyService
  77                             .updateLsp(buildUpdateInput(link, node)),
  78                     RpcResult::getResult, MoreExecutors.directExecutor());
  79         }
  80     }
  81
  82     private UpdateLspInput buildUpdateInput(final Link link, final Node node) {
  83         final UpdateLspInputBuilder ab = new UpdateLspInputBuilder();
  84         ab.setName(link.augmentation(Link1.class).getSymbolicPathName());
  85         ab.setNode(requireNonNull(TunelProgrammingUtil.supportingNode(node)));
  86
  87         final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev181109.update.lsp
  88                 .args.ArgumentsBuilder args = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
  89                 .yang.topology.pcep.rev181109.update.lsp.args.ArgumentsBuilder();
  90         args.setBandwidth(new BandwidthBuilder().setBandwidth(this.updateTunnelInput.getBandwidth()).build());
  91         args.setClassType(new ClassTypeBuilder().setClassType(this.updateTunnelInput.getClassType()).build());
  92         args.setEro(TunelProgrammingUtil.buildEro(this.updateTunnelInput.getExplicitHops()));
  93         args.setLspa(new LspaBuilder(this.updateTunnelInput).build());
  94
  95         final AdministrativeStatus adminStatus = this.updateTunnelInput.augmentation(PcepUpdateTunnelInput1.class)
  96                 .getAdministrativeStatus();
  97         if (adminStatus != null) {
  98             args.addAugmentation(Arguments3.class, new Arguments3Builder().setLsp(new LspBuilder()
  99                     .setAdministrative(adminStatus == AdministrativeStatus.Active).build()).build());
 100         }
 101         ab.setArguments(args.build());
 102         return ab.build();
 103     }
 104 }