pcep/tunnel-provider/src/main/java/org/opendaylight/bgpcep/pcep/tunnel/provider/TunnelProgramming.java

   1 /*
   2  * Copyright (c) 2013 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 package org.opendaylight.bgpcep.pcep.tunnel.provider;
   9
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import org.opendaylight.bgpcep.pcep.topology.spi.AbstractTopologyProgrammingExecutor;
  15 import org.opendaylight.bgpcep.programming.spi.InstructionExecutor;
  16 import org.opendaylight.bgpcep.programming.spi.InstructionScheduler;
  17 import org.opendaylight.bgpcep.programming.spi.SuccessfulRpcResult;
  18 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  19 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.bandwidth.object.BandwidthBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.classtype.object.ClassTypeBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.AddressFamily;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.address.family.Ipv4Builder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.address.family.Ipv6Builder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.object.EndpointsObjBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.EroBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.Subobjects;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.SubobjectsBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lspa.object.LspaBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.programming.rev130930.submit.instruction.output.result.FailureBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.programming.rev130930.submit.instruction.output.result.failure.Failure;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspInputBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspOutput;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.NetworkTopologyPcepService;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.OperationResult;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.RemoveLspInputBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.RemoveLspOutput;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.UpdateLspInputBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.UpdateLspOutput;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.add.lsp.args.ArgumentsBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.programming.rev131102.TopologyInstructionInput;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.p2p.rev130819.tunnel.p2p.path.cfg.attributes.ExplicitHops;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepCreateP2pTunnelInput;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepCreateP2pTunnelOutput;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepCreateP2pTunnelOutputBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepDestroyTunnelInput;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepDestroyTunnelOutput;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepDestroyTunnelOutputBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepUpdateTunnelInput;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepUpdateTunnelOutput;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepUpdateTunnelOutputBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.TopologyTunnelPcepProgrammingService;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.AdministrativeStatus;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.ExplicitHops1;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.Link1;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.SupportingNode1;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.programming.rev130930.BaseTunnelInput;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.programming.rev130930.TpReference;
  61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  71 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNode;
  72 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1;
  73 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.TerminationPointType;
  74 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.igp.termination.point.attributes.igp.termination.point.attributes.termination.point.type.Ip;
  75 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  76 import org.opendaylight.yangtools.yang.common.RpcResult;
  77 import org.slf4j.Logger;
  78 import org.slf4j.LoggerFactory;
  79
  80 import com.google.common.base.Function;
  81 import com.google.common.base.Preconditions;
  82 import com.google.common.util.concurrent.Futures;
  83 import com.google.common.util.concurrent.ListenableFuture;
  84
  85 final class TunnelProgramming implements TopologyTunnelPcepProgrammingService {
  86         private static final Logger LOG = LoggerFactory.getLogger(TunnelProgramming.class);
  87         private final NetworkTopologyPcepService topologyService;
  88         private final DataProviderService dataProvider;
  89         private final InstructionScheduler scheduler;
  90
  91         TunnelProgramming(final InstructionScheduler scheduler, final DataProviderService dataProvider,
  92                         final NetworkTopologyPcepService topologyService) {
  93                 this.scheduler = Preconditions.checkNotNull(scheduler);
  94                 this.dataProvider = Preconditions.checkNotNull(dataProvider);
  95                 this.topologyService = Preconditions.checkNotNull(topologyService);
  96         }
  97
  98         private static final class TpReader {
  99                 private final DataModificationTransaction t;
 100                 private final InstanceIdentifier<Node> nii;
 101                 private final InstanceIdentifier<TerminationPoint> tii;
 102
 103                 TpReader(final DataModificationTransaction t, final InstanceIdentifier<Topology> topo, final TpReference ref) {
 104                         this.t = Preconditions.checkNotNull(t);
 105
 106                         nii = InstanceIdentifier.builder(topo).node(Node.class, new NodeKey(ref.getNode())).toInstance();
 107                         tii = InstanceIdentifier.builder(nii).node(TerminationPoint.class, new TerminationPointKey(ref.getTp())).toInstance();
 108                 }
 109
 110                 private Node getNode() {
 111                         return (Node) t.readOperationalData(nii);
 112                 }
 113
 114                 private TerminationPoint getTp() {
 115                         return (TerminationPoint) t.readOperationalData(tii);
 116                 }
 117         }
 118
 119         private AddressFamily buildAddressFamily(final TerminationPoint sp, final TerminationPoint dp) {
 120                 // We need the IGP augmentation -- it has IP addresses
 121                 final TerminationPoint1 sp1 = Preconditions.checkNotNull(sp.getAugmentation(TerminationPoint1.class));
 122                 final TerminationPoint1 dp1 = Preconditions.checkNotNull(dp.getAugmentation(TerminationPoint1.class));
 123
 124                 // Get the types
 125                 final TerminationPointType spt = sp1.getIgpTerminationPointAttributes().getTerminationPointType();
 126                 final TerminationPointType dpt = dp1.getIgpTerminationPointAttributes().getTerminationPointType();
 127
 128                 // The types have to match
 129                 Preconditions.checkArgument(spt.getImplementedInterface().equals(dpt.getImplementedInterface()));
 130
 131                 // And they have to actually be Ip
 132                 final Ip sips = (Ip) spt;
 133                 final Ip dips = (Ip) dpt;
 134
 135                 /*
 136                  * Now a bit of magic. We need to find 'like' addresses, e.g. both
 137                  * IPv4 or both IPv6. We are in IPv6-enabled world now, so let's
 138                  * prefer that.
 139                  */
 140                 AddressFamily ret = findIpv6(sips.getIpAddress(), dips.getIpAddress());
 141                 if (ret == null) {
 142                         ret = findIpv4(sips.getIpAddress(), dips.getIpAddress());
 143                 }
 144
 145                 // We need to have a ret now
 146                 Preconditions.checkArgument(ret != null, "Failed to find like Endpoint addresses");
 147
 148                 return ret;
 149         }
 150
 151         private AddressFamily findIpv4(final List<IpAddress> srcs, final List<IpAddress> dsts) {
 152                 for (final IpAddress sc : srcs) {
 153                         if (sc.getIpv4Address() != null) {
 154                                 for (final IpAddress dc : dsts) {
 155                                         if (dc.getIpv4Address() != null) {
 156                                                 return new Ipv4Builder().
 157                                                                 setSourceIpv4Address(sc.getIpv4Address()).
 158                                                                 setDestinationIpv4Address(dc.getIpv4Address()).build();
 159                                         }
 160                                 }
 161                         }
 162                 }
 163
 164                 return null;
 165         }
 166
 167         private AddressFamily findIpv6(final List<IpAddress> srcs, final List<IpAddress> dsts) {
 168                 for (final IpAddress sc : srcs) {
 169                         if (sc.getIpv6Address() != null) {
 170                                 for (final IpAddress dc : dsts) {
 171                                         if (dc.getIpv6Address() != null) {
 172                                                 return new Ipv6Builder().
 173                                                                 setSourceIpv6Address(sc.getIpv6Address()).
 174                                                                 setDestinationIpv6Address(dc.getIpv6Address()).build();
 175                                         }
 176                                 }
 177                         }
 178                 }
 179
 180                 return null;
 181         }
 182
 183         private NodeId supportingNode(final DataModificationTransaction t, final Node node) {
 184                 for (SupportingNode n : node.getSupportingNode()) {
 185                         final SupportingNode1 n1 = n.getAugmentation(SupportingNode1.class);
 186                         if (n1 != null && n1.getPathComputationClient().isControlling()) {
 187                                 return n.getKey().getNodeRef();
 188                         }
 189                 }
 190
 191                 return null;
 192         }
 193
 194         private Ero buildEro(final List<ExplicitHops> explicitHops) {
 195                 final EroBuilder b = new EroBuilder();
 196
 197                 if (!explicitHops.isEmpty()) {
 198                         final List<Subobjects> subobjs = new ArrayList<>(explicitHops.size());
 199                         for (ExplicitHops h : explicitHops) {
 200
 201                                 final ExplicitHops1 h1 = h.getAugmentation(ExplicitHops1.class);
 202                                 if (h1 != null) {
 203                                         final SubobjectsBuilder sb = new SubobjectsBuilder();
 204                                         sb.fieldsFrom(h1);
 205                                         sb.setLoose(h.isLoose());
 206                                         subobjs.add(sb.build());
 207                                 } else {
 208                                         LOG.debug("Ignoring unhandled explicit hop {}", h);
 209                                 }
 210                         }
 211                         b.setSubobjects(subobjs);
 212                 }
 213                 return b.build();
 214         }
 215
 216         @Override
 217         public ListenableFuture<RpcResult<PcepCreateP2pTunnelOutput>> pcepCreateP2pTunnel(final PcepCreateP2pTunnelInput input) {
 218                 final InstructionExecutor e = new AbstractTopologyProgrammingExecutor() {
 219                         @Override
 220                         protected ListenableFuture<OperationResult> executeImpl() {
 221                                 final InstanceIdentifier<Topology> tii = topologyIdentifier(input);
 222
 223                                 final DataModificationTransaction t = dataProvider.beginTransaction();
 224
 225
 226                                 final TpReader dr = new TpReader(t, tii, input.getDestination());
 227                                 final TpReader sr = new TpReader(t, tii, input.getSource());
 228
 229                                 final Node sn = Preconditions.checkNotNull(sr.getNode());
 230                                 final TerminationPoint sp = Preconditions.checkNotNull(sr.getTp());
 231                                 final TerminationPoint dp = Preconditions.checkNotNull(dr.getTp());
 232
 233                                 final AddLspInputBuilder ab = new AddLspInputBuilder();
 234                                 ab.setNode(Preconditions.checkNotNull(supportingNode(t, sn)));
 235                                 ab.setName(Preconditions.checkNotNull(input.getSymbolicPathName()));
 236
 237                                 // The link has to be non-existent
 238                                 final InstanceIdentifier<Link> lii = NodeChangedListener.linkIdentifier(tii, ab.getNode(), ab.getName());
 239                                 Preconditions.checkState(t.readOperationalData(lii) == null);
 240
 241                                 final ArgumentsBuilder args = new ArgumentsBuilder();
 242                                 args.setAdministrative(input.getAdministrativeStatus() == AdministrativeStatus.Active);
 243                                 args.setBandwidth(new BandwidthBuilder().setBandwidth(input.getBandwidth()).build());
 244                                 args.setClassType(new ClassTypeBuilder().setClassType(input.getClassType()).build());
 245                                 args.setEndpointsObj(new EndpointsObjBuilder().setAddressFamily(buildAddressFamily(sp, dp)).build());
 246                                 args.setEro(buildEro(input.getExplicitHops()));
 247                                 args.setLspa(new LspaBuilder(input).build());
 248
 249                                 ab.setArguments(args.build());
 250
 251                                 return Futures.transform(
 252                                                 (ListenableFuture<RpcResult<AddLspOutput>>) topologyService.addLsp(ab.build()),
 253                                                 new Function<RpcResult<AddLspOutput>, OperationResult>() {
 254                                                         @Override
 255                                                         public OperationResult apply(final RpcResult<AddLspOutput> input) {
 256                                                                 return input.getResult();
 257                                                         }
 258                                                 });
 259                         }
 260                 };
 261
 262                 final Failure f = this.scheduler.submitInstruction(input, e);
 263                 final PcepCreateP2pTunnelOutputBuilder b = new PcepCreateP2pTunnelOutputBuilder();
 264                 if (f != null) {
 265                         b.setResult(new FailureBuilder().setFailure(f).build());
 266                 }
 267
 268                 final RpcResult<PcepCreateP2pTunnelOutput> res = SuccessfulRpcResult.create(b.build());
 269                 return Futures.immediateFuture(res);
 270         }
 271
 272         // FIXME: topology programming utility class
 273         private InstanceIdentifier<Topology> topologyIdentifier(final TopologyInstructionInput input) {
 274                 return InstanceIdentifier.builder().
 275                                 node(NetworkTopology.class).node(Topology.class, new TopologyKey(input.getTopologyId())).toInstance();
 276         }
 277
 278         // FIXME: tunnel programming utility class
 279         private InstanceIdentifier<Link> linkIdentifier(final InstanceIdentifier<Topology> topology, final BaseTunnelInput input) {
 280                 return InstanceIdentifier.builder(topology).
 281                                 node(Link.class, new LinkKey(Preconditions.checkNotNull(input.getLinkId()))).toInstance();
 282         }
 283
 284         private Node sourceNode(final DataModificationTransaction t, final InstanceIdentifier<Topology> topology, final Link link) {
 285                 final InstanceIdentifier<Node> nii = InstanceIdentifier.builder(topology).
 286                                 node(Node.class, new NodeKey(link.getSource().getSourceNode())).toInstance();
 287                 return (Node) t.readOperationalData(nii);
 288         }
 289
 290         @Override
 291         public ListenableFuture<RpcResult<PcepDestroyTunnelOutput>> pcepDestroyTunnel(final PcepDestroyTunnelInput input) {
 292                 final InstructionExecutor e = new AbstractTopologyProgrammingExecutor() {
 293                         @Override
 294                         protected ListenableFuture<OperationResult> executeImpl() {
 295                                 final InstanceIdentifier<Topology> tii = topologyIdentifier(input);
 296                                 final InstanceIdentifier<Link> lii = linkIdentifier(tii, input);
 297
 298                                 final DataModificationTransaction t = dataProvider.beginTransaction();
 299
 300                                 // The link has to exist
 301                                 final Link link = (Link) t.readOperationalData(lii);
 302                                 Preconditions.checkState(link != null);
 303
 304                                 // The source node has to exist
 305                                 final Node node = sourceNode(t, tii, link);
 306                                 Preconditions.checkState(node != null);
 307
 308                                 final RemoveLspInputBuilder ab = new RemoveLspInputBuilder();
 309                                 ab.setName(link.getAugmentation(Link1.class).getSymbolicPathName());
 310                                 ab.setNode(node.getSupportingNode().get(0).getKey().getNodeRef());
 311
 312                                 return Futures.transform(
 313                                                 (ListenableFuture<RpcResult<RemoveLspOutput>>) topologyService.removeLsp(ab.build()),
 314                                                 new Function<RpcResult<RemoveLspOutput>, OperationResult>() {
 315                                                         @Override
 316                                                         public OperationResult apply(final RpcResult<RemoveLspOutput> input) {
 317                                                                 return input.getResult();
 318                                                         }
 319                                                 });
 320                         }
 321                 };
 322
 323                 final Failure f = this.scheduler.submitInstruction(input, e);
 324                 final PcepDestroyTunnelOutputBuilder b = new PcepDestroyTunnelOutputBuilder();
 325                 if (f != null) {
 326                         b.setResult(new FailureBuilder().setFailure(f).build());
 327                 }
 328
 329                 final RpcResult<PcepDestroyTunnelOutput> res = SuccessfulRpcResult.create(b.build());
 330                 return Futures.immediateFuture(res);
 331         }
 332
 333         @Override
 334         public ListenableFuture<RpcResult<PcepUpdateTunnelOutput>> pcepUpdateTunnel(final PcepUpdateTunnelInput input) {
 335                 final InstructionExecutor e = new AbstractTopologyProgrammingExecutor() {
 336                         @Override
 337                         protected ListenableFuture<OperationResult> executeImpl() {
 338                                 final InstanceIdentifier<Topology> tii = topologyIdentifier(input);
 339                                 final InstanceIdentifier<Link> lii = linkIdentifier(tii, input);
 340
 341                                 final DataModificationTransaction t = dataProvider.beginTransaction();
 342
 343                                 // The link has to exist
 344                                 final Link link = (Link) t.readOperationalData(lii);
 345                                 Preconditions.checkState(link != null);
 346
 347                                 // The source node has to exist
 348                                 final Node node = sourceNode(t, tii, link);
 349                                 Preconditions.checkState(node != null);
 350
 351                                 final UpdateLspInputBuilder ab = new UpdateLspInputBuilder();
 352                                 ab.setName(link.getAugmentation(Link1.class).getSymbolicPathName());
 353                                 ab.setNode(Preconditions.checkNotNull(supportingNode(t, node)));
 354
 355                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.update.lsp.args.ArgumentsBuilder args =
 356                                                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.update.lsp.args.ArgumentsBuilder();
 357
 358                                 args.setAdministrative(input.getAdministrativeStatus() == AdministrativeStatus.Active);
 359                                 args.setBandwidth(new BandwidthBuilder().setBandwidth(input.getBandwidth()).build());
 360                                 args.setClassType(new ClassTypeBuilder().setClassType(input.getClassType()).build());
 361                                 args.setEro(buildEro(input.getExplicitHops()));
 362                                 args.setLspa(new LspaBuilder(input).build());
 363
 364                                 ab.setArguments(args.build());
 365
 366                                 return Futures.transform(
 367                                                 (ListenableFuture<RpcResult<UpdateLspOutput>>) topologyService.updateLsp(ab.build()),
 368                                                 new Function<RpcResult<UpdateLspOutput>, OperationResult>() {
 369                                                         @Override
 370                                                         public OperationResult apply(final RpcResult<UpdateLspOutput> input) {
 371                                                                 return input.getResult();
 372                                                         }
 373                                                 });
 374                         }
 375                 };
 376
 377                 final Failure f = this.scheduler.submitInstruction(input, e);
 378                 final PcepUpdateTunnelOutputBuilder b = new PcepUpdateTunnelOutputBuilder();
 379                 if (f != null) {
 380                         b.setResult(new FailureBuilder().setFailure(f).build());
 381                 }
 382
 383                 final RpcResult<PcepUpdateTunnelOutput> res = SuccessfulRpcResult.create(b.build());
 384                 return Futures.immediateFuture(res);
 385         }
 386 }