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 import java.util.ArrayList;
  11 import java.util.List;
  12
  13 import org.opendaylight.bgpcep.pcep.topology.spi.AbstractTopologyProgrammingExecutor;
  14 import org.opendaylight.bgpcep.programming.spi.InstructionExecutor;
  15 import org.opendaylight.bgpcep.programming.spi.InstructionScheduler;
  16 import org.opendaylight.bgpcep.programming.spi.SuccessfulRpcResult;
  17 import org.opendaylight.bgpcep.programming.topology.TopologyProgrammingUtil;
  18 import org.opendaylight.bgpcep.programming.tunnel.TunnelProgrammingUtil;
  19 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  20 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.bandwidth.object.BandwidthBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.classtype.object.ClassTypeBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.AddressFamily;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.address.family.Ipv4CaseBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.address.family.Ipv6CaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.address.family.ipv4._case.Ipv4Builder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.address.family.ipv6._case.Ipv6Builder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.object.EndpointsObjBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.EroBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.Subobjects;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.ero.SubobjectsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lspa.object.LspaBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.programming.rev130930.submit.instruction.output.result.FailureCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.programming.rev130930.submit.instruction.output.result.failure._case.Failure;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspInputBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspOutput;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.NetworkTopologyPcepService;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.OperationResult;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.RemoveLspInputBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.RemoveLspOutput;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.UpdateLspInputBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.UpdateLspOutput;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.add.lsp.args.ArgumentsBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.p2p.rev130819.tunnel.p2p.path.cfg.attributes.ExplicitHops;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepCreateP2pTunnelInput;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepCreateP2pTunnelOutput;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepCreateP2pTunnelOutputBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepDestroyTunnelInput;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepDestroyTunnelOutput;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepDestroyTunnelOutputBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepUpdateTunnelInput;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepUpdateTunnelOutput;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.PcepUpdateTunnelOutputBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.programming.rev131030.TopologyTunnelPcepProgrammingService;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.AdministrativeStatus;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.ExplicitHops1;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.Link1;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.pcep.rev130820.SupportingNode1;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.tunnel.programming.rev130930.TpReference;
  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.topology.Link;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNode;
  70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.TerminationPoint1;
  71 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;
  72 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;
  73 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  74 import org.opendaylight.yangtools.yang.common.RpcResult;
  75 import org.slf4j.Logger;
  76 import org.slf4j.LoggerFactory;
  77
  78 import com.google.common.base.Function;
  79 import com.google.common.base.Preconditions;
  80 import com.google.common.util.concurrent.Futures;
  81 import com.google.common.util.concurrent.ListenableFuture;
  82
  83 public final class TunnelProgramming implements TopologyTunnelPcepProgrammingService, AutoCloseable {
  84         private static final Logger LOG = LoggerFactory.getLogger(TunnelProgramming.class);
  85         private final NetworkTopologyPcepService topologyService;
  86         private final DataProviderService dataProvider;
  87         private final InstructionScheduler scheduler;
  88
  89         public TunnelProgramming(final InstructionScheduler scheduler, final DataProviderService dataProvider,
  90                         final NetworkTopologyPcepService topologyService) {
  91                 this.scheduler = Preconditions.checkNotNull(scheduler);
  92                 this.dataProvider = Preconditions.checkNotNull(dataProvider);
  93                 this.topologyService = Preconditions.checkNotNull(topologyService);
  94         }
  95
  96         private static final class TpReader {
  97                 private final DataModificationTransaction t;
  98                 private final InstanceIdentifier<Node> nii;
  99                 private final InstanceIdentifier<TerminationPoint> tii;
 100
 101                 TpReader(final DataModificationTransaction t, final InstanceIdentifier<Topology> topo, final TpReference ref) {
 102                         this.t = Preconditions.checkNotNull(t);
 103
 104                         this.nii = InstanceIdentifier.builder(topo).child(Node.class, new NodeKey(ref.getNode())).toInstance();
 105                         this.tii = InstanceIdentifier.builder(this.nii).child(TerminationPoint.class, new TerminationPointKey(ref.getTp())).toInstance();
 106                 }
 107
 108                 private Node getNode() {
 109                         return (Node) this.t.readOperationalData(this.nii);
 110                 }
 111
 112                 private TerminationPoint getTp() {
 113                         return (TerminationPoint) this.t.readOperationalData(this.tii);
 114                 }
 115         }
 116
 117         private AddressFamily buildAddressFamily(final TerminationPoint sp, final TerminationPoint dp) {
 118                 // We need the IGP augmentation -- it has IP addresses
 119                 final TerminationPoint1 sp1 = Preconditions.checkNotNull(sp.getAugmentation(TerminationPoint1.class));
 120                 final TerminationPoint1 dp1 = Preconditions.checkNotNull(dp.getAugmentation(TerminationPoint1.class));
 121
 122                 // Get the types
 123                 final TerminationPointType spt = sp1.getIgpTerminationPointAttributes().getTerminationPointType();
 124                 final TerminationPointType dpt = dp1.getIgpTerminationPointAttributes().getTerminationPointType();
 125
 126                 // The types have to match
 127                 Preconditions.checkArgument(spt.getImplementedInterface().equals(dpt.getImplementedInterface()));
 128
 129                 // And they have to actually be Ip
 130                 final Ip sips = (Ip) spt;
 131                 final Ip dips = (Ip) dpt;
 132
 133                 /*
 134                  * Now a bit of magic. We need to find 'like' addresses, e.g. both
 135                  * IPv4 or both IPv6. We are in IPv6-enabled world now, so let's
 136                  * prefer that.
 137                  */
 138                 AddressFamily ret = findIpv6(sips.getIpAddress(), dips.getIpAddress());
 139                 if (ret == null) {
 140                         ret = findIpv4(sips.getIpAddress(), dips.getIpAddress());
 141                 }
 142
 143                 // We need to have a ret now
 144                 Preconditions.checkArgument(ret != null, "Failed to find like Endpoint addresses");
 145
 146                 return ret;
 147         }
 148
 149         private AddressFamily findIpv4(final List<IpAddress> srcs, final List<IpAddress> dsts) {
 150                 for (final IpAddress sc : srcs) {
 151                         if (sc.getIpv4Address() != null) {
 152                                 for (final IpAddress dc : dsts) {
 153                                         if (dc.getIpv4Address() != null) {
 154                                                 return new Ipv4CaseBuilder().setIpv4(
 155                                                                 new Ipv4Builder().setSourceIpv4Address(sc.getIpv4Address()).setDestinationIpv4Address(dc.getIpv4Address()).build()).build();
 156                                         }
 157                                 }
 158                         }
 159                 }
 160
 161                 return null;
 162         }
 163
 164         private AddressFamily findIpv6(final List<IpAddress> srcs, final List<IpAddress> dsts) {
 165                 for (final IpAddress sc : srcs) {
 166                         if (sc.getIpv6Address() != null) {
 167                                 for (final IpAddress dc : dsts) {
 168                                         if (dc.getIpv6Address() != null) {
 169                                                 return new Ipv6CaseBuilder().setIpv6(
 170                                                                 new Ipv6Builder().setSourceIpv6Address(sc.getIpv6Address()).setDestinationIpv6Address(dc.getIpv6Address()).build()).build();
 171                                         }
 172                                 }
 173                         }
 174                 }
 175
 176                 return null;
 177         }
 178
 179         private NodeId supportingNode(final DataModificationTransaction t, final Node node) {
 180                 for (final SupportingNode n : node.getSupportingNode()) {
 181                         final SupportingNode1 n1 = n.getAugmentation(SupportingNode1.class);
 182                         if (n1 != null && n1.getPathComputationClient().isControlling()) {
 183                                 return n.getKey().getNodeRef();
 184                         }
 185                 }
 186
 187                 return null;
 188         }
 189
 190         private Ero buildEro(final List<ExplicitHops> explicitHops) {
 191                 final EroBuilder b = new EroBuilder();
 192
 193                 if (!explicitHops.isEmpty()) {
 194                         final List<Subobjects> subobjs = new ArrayList<>(explicitHops.size());
 195                         for (final ExplicitHops h : explicitHops) {
 196
 197                                 final ExplicitHops1 h1 = h.getAugmentation(ExplicitHops1.class);
 198                                 if (h1 != null) {
 199                                         final SubobjectsBuilder sb = new SubobjectsBuilder();
 200                                         sb.fieldsFrom(h1);
 201                                         sb.setLoose(h.isLoose());
 202                                         subobjs.add(sb.build());
 203                                 } else {
 204                                         LOG.debug("Ignoring unhandled explicit hop {}", h);
 205                                 }
 206                         }
 207                         b.setSubobjects(subobjs);
 208                 }
 209                 return b.build();
 210         }
 211
 212         @Override
 213         public ListenableFuture<RpcResult<PcepCreateP2pTunnelOutput>> pcepCreateP2pTunnel(final PcepCreateP2pTunnelInput input) {
 214                 final InstructionExecutor e = new AbstractTopologyProgrammingExecutor() {
 215                         @Override
 216                         protected ListenableFuture<OperationResult> executeImpl() {
 217                                 final InstanceIdentifier<Topology> tii = TopologyProgrammingUtil.topologyForInput(input);
 218
 219                                 final DataModificationTransaction t = TunnelProgramming.this.dataProvider.beginTransaction();
 220
 221                                 final TpReader dr = new TpReader(t, tii, input.getDestination());
 222                                 final TpReader sr = new TpReader(t, tii, input.getSource());
 223
 224                                 final Node sn = Preconditions.checkNotNull(sr.getNode());
 225                                 final TerminationPoint sp = Preconditions.checkNotNull(sr.getTp());
 226                                 final TerminationPoint dp = Preconditions.checkNotNull(dr.getTp());
 227
 228                                 final AddLspInputBuilder ab = new AddLspInputBuilder();
 229                                 ab.setNode(Preconditions.checkNotNull(supportingNode(t, sn)));
 230                                 ab.setName(Preconditions.checkNotNull(input.getSymbolicPathName()));
 231
 232                                 // The link has to be non-existent
 233                                 final InstanceIdentifier<Link> lii = NodeChangedListener.linkIdentifier(tii, ab.getNode(), ab.getName());
 234                                 Preconditions.checkState(t.readOperationalData(lii) == null);
 235
 236                                 final ArgumentsBuilder args = new ArgumentsBuilder();
 237                                 args.setAdministrative(input.getAdministrativeStatus() == AdministrativeStatus.Active);
 238                                 args.setBandwidth(new BandwidthBuilder().setBandwidth(input.getBandwidth()).build());
 239                                 args.setClassType(new ClassTypeBuilder().setClassType(input.getClassType()).build());
 240                                 args.setEndpointsObj(new EndpointsObjBuilder().setAddressFamily(buildAddressFamily(sp, dp)).build());
 241                                 args.setEro(buildEro(input.getExplicitHops()));
 242                                 args.setLspa(new LspaBuilder(input).build());
 243
 244                                 ab.setArguments(args.build());
 245
 246                                 return Futures.transform(
 247                                                 (ListenableFuture<RpcResult<AddLspOutput>>) TunnelProgramming.this.topologyService.addLsp(ab.build()),
 248                                                 new Function<RpcResult<AddLspOutput>, OperationResult>() {
 249                                                         @Override
 250                                                         public OperationResult apply(final RpcResult<AddLspOutput> input) {
 251                                                                 return input.getResult();
 252                                                         }
 253                                                 });
 254                         }
 255                 };
 256
 257                 final Failure f = this.scheduler.submitInstruction(input, e);
 258                 final PcepCreateP2pTunnelOutputBuilder b = new PcepCreateP2pTunnelOutputBuilder();
 259                 if (f != null) {
 260                         b.setResult(new FailureCaseBuilder().setFailure(f).build());
 261                 }
 262
 263                 final RpcResult<PcepCreateP2pTunnelOutput> res = SuccessfulRpcResult.create(b.build());
 264                 return Futures.immediateFuture(res);
 265         }
 266
 267         private Node sourceNode(final DataModificationTransaction t, final InstanceIdentifier<Topology> topology, final Link link) {
 268                 final InstanceIdentifier<Node> nii = InstanceIdentifier.builder(topology).child(Node.class,
 269                                 new NodeKey(link.getSource().getSourceNode())).toInstance();
 270                 return (Node) t.readOperationalData(nii);
 271         }
 272
 273         @Override
 274         public ListenableFuture<RpcResult<PcepDestroyTunnelOutput>> pcepDestroyTunnel(final PcepDestroyTunnelInput input) {
 275                 final InstructionExecutor e = new AbstractTopologyProgrammingExecutor() {
 276                         @Override
 277                         protected ListenableFuture<OperationResult> executeImpl() {
 278                                 final InstanceIdentifier<Topology> tii = TopologyProgrammingUtil.topologyForInput(input);
 279                                 final InstanceIdentifier<Link> lii = TunnelProgrammingUtil.linkIdentifier(tii, input);
 280
 281                                 final DataModificationTransaction t = TunnelProgramming.this.dataProvider.beginTransaction();
 282
 283                                 // The link has to exist
 284                                 final Link link = (Link) t.readOperationalData(lii);
 285                                 Preconditions.checkState(link != null);
 286
 287                                 // The source node has to exist
 288                                 final Node node = sourceNode(t, tii, link);
 289                                 Preconditions.checkState(node != null);
 290
 291                                 final RemoveLspInputBuilder ab = new RemoveLspInputBuilder();
 292                                 ab.setName(link.getAugmentation(Link1.class).getSymbolicPathName());
 293                                 ab.setNode(node.getSupportingNode().get(0).getKey().getNodeRef());
 294
 295                                 return Futures.transform(
 296                                                 (ListenableFuture<RpcResult<RemoveLspOutput>>) TunnelProgramming.this.topologyService.removeLsp(ab.build()),
 297                                                 new Function<RpcResult<RemoveLspOutput>, OperationResult>() {
 298                                                         @Override
 299                                                         public OperationResult apply(final RpcResult<RemoveLspOutput> input) {
 300                                                                 return input.getResult();
 301                                                         }
 302                                                 });
 303                         }
 304                 };
 305
 306                 final Failure f = this.scheduler.submitInstruction(input, e);
 307                 final PcepDestroyTunnelOutputBuilder b = new PcepDestroyTunnelOutputBuilder();
 308                 if (f != null) {
 309                         b.setResult(new FailureCaseBuilder().setFailure(f).build());
 310                 }
 311
 312                 final RpcResult<PcepDestroyTunnelOutput> res = SuccessfulRpcResult.create(b.build());
 313                 return Futures.immediateFuture(res);
 314         }
 315
 316         @Override
 317         public ListenableFuture<RpcResult<PcepUpdateTunnelOutput>> pcepUpdateTunnel(final PcepUpdateTunnelInput input) {
 318                 final InstructionExecutor e = new AbstractTopologyProgrammingExecutor() {
 319                         @Override
 320                         protected ListenableFuture<OperationResult> executeImpl() {
 321                                 final InstanceIdentifier<Topology> tii = TopologyProgrammingUtil.topologyForInput(input);
 322                                 final InstanceIdentifier<Link> lii = TunnelProgrammingUtil.linkIdentifier(tii, input);
 323
 324                                 final DataModificationTransaction t = TunnelProgramming.this.dataProvider.beginTransaction();
 325
 326                                 // The link has to exist
 327                                 final Link link = (Link) t.readOperationalData(lii);
 328                                 Preconditions.checkState(link != null);
 329
 330                                 // The source node has to exist
 331                                 final Node node = sourceNode(t, tii, link);
 332                                 Preconditions.checkState(node != null);
 333
 334                                 final UpdateLspInputBuilder ab = new UpdateLspInputBuilder();
 335                                 ab.setName(link.getAugmentation(Link1.class).getSymbolicPathName());
 336                                 ab.setNode(Preconditions.checkNotNull(supportingNode(t, node)));
 337
 338                                 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.update.lsp.args.ArgumentsBuilder args = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.update.lsp.args.ArgumentsBuilder();
 339
 340                                 args.setAdministrative(input.getAdministrativeStatus() == AdministrativeStatus.Active);
 341                                 args.setBandwidth(new BandwidthBuilder().setBandwidth(input.getBandwidth()).build());
 342                                 args.setClassType(new ClassTypeBuilder().setClassType(input.getClassType()).build());
 343                                 args.setEro(buildEro(input.getExplicitHops()));
 344                                 args.setLspa(new LspaBuilder(input).build());
 345
 346                                 ab.setArguments(args.build());
 347
 348                                 return Futures.transform(
 349                                                 (ListenableFuture<RpcResult<UpdateLspOutput>>) TunnelProgramming.this.topologyService.updateLsp(ab.build()),
 350                                                 new Function<RpcResult<UpdateLspOutput>, OperationResult>() {
 351                                                         @Override
 352                                                         public OperationResult apply(final RpcResult<UpdateLspOutput> input) {
 353                                                                 return input.getResult();
 354                                                         }
 355                                                 });
 356                         }
 357                 };
 358
 359                 final Failure f = this.scheduler.submitInstruction(input, e);
 360                 final PcepUpdateTunnelOutputBuilder b = new PcepUpdateTunnelOutputBuilder();
 361                 if (f != null) {
 362                         b.setResult(new FailureCaseBuilder().setFailure(f).build());
 363                 }
 364
 365                 final RpcResult<PcepUpdateTunnelOutput> res = SuccessfulRpcResult.create(b.build());
 366                 return Futures.immediateFuture(res);
 367         }
 368
 369         @Override
 370         public void close() {
 371                 // FIXME: BUG-186: remove all scheduled instructions, etc.
 372         }
 373 }