bgp/extensions/flowspec/src/main/java/org/opendaylight/protocol/bgp/flowspec/SimpleFlowspecIpv4NlriParser.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 package org.opendaylight.protocol.bgp.flowspec;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import java.util.List;
  12 import javax.annotation.Nonnull;
  13 import javax.annotation.Nullable;
  14 import org.opendaylight.protocol.bgp.flowspec.ipv4.FlowspecIpv4NlriParserHelper;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.destination.Flowspec;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.destination.FlowspecBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.destination.flowspec.FlowspecType;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.destination.ipv4.DestinationFlowspec;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.destination.ipv4.DestinationFlowspecBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.PathId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
  22 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
  23
  24 public final class SimpleFlowspecIpv4NlriParser extends AbstractFlowspecNlriParser {
  25
  26     public SimpleFlowspecIpv4NlriParser(SimpleFlowspecTypeRegistry flowspecTypeRegistry) {
  27         super(flowspecTypeRegistry);
  28     }
  29
  30     @Override
  31     public DestinationType createWithdrawnDestinationType(@Nonnull final Object[] nlriFields, @Nullable final PathId pathId) {
  32         final List<Flowspec> flowspecList = (List<Flowspec>) nlriFields[0];
  33         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecCaseBuilder()
  34             .setDestinationFlowspec(
  35                 new DestinationFlowspecBuilder()
  36                     .setFlowspec(flowspecList)
  37                     .setPathId(pathId)
  38                     .build()
  39             ).build();
  40     }
  41
  42     @Override
  43     public DestinationType createAdvertizedRoutesDestinationType(@Nonnull final Object[] nlriFields, @Nullable final PathId pathId) {
  44         final List<Flowspec> flowspecList = (List<Flowspec>) nlriFields[0];
  45         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationFlowspecCaseBuilder()
  46             .setDestinationFlowspec(
  47                 new DestinationFlowspecBuilder()
  48                     .setFlowspec(flowspecList)
  49                     .setPathId(pathId)
  50                     .build()
  51             ).build();
  52     }
  53
  54     @Override
  55     protected void serializeMpReachNlri(final DestinationType dstType, final ByteBuf byteAggregator) {
  56         if (dstType instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationFlowspecCase) {
  57             final DestinationFlowspec destFlowspec = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationFlowspecCase) dstType)
  58                 .getDestinationFlowspec();
  59             serializeNlri(new Object[] {destFlowspec.getFlowspec()}, destFlowspec.getPathId(), byteAggregator);
  60         }
  61     }
  62
  63     @Override
  64     public void extractSpecificFlowspec(final ChoiceNode fsType, final FlowspecBuilder fsBuilder) {
  65         FlowspecIpv4NlriParserHelper.extractFlowspec(fsType, fsBuilder);
  66     }
  67
  68     @Override
  69     protected void stringSpecificFSNlriType(final FlowspecType value, final StringBuilder buffer) {
  70         FlowspecIpv4NlriParserHelper.buildFlowspecString(value, buffer);
  71     }
  72
  73     @Override
  74     protected void serializeMpUnreachNlri(final DestinationType dstType, final ByteBuf byteAggregator) {
  75         if (dstType instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecCase) {
  76             final DestinationFlowspec destFlowspec = ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationFlowspecCase) dstType)
  77                 .getDestinationFlowspec();
  78             serializeNlri(new Object[] {destFlowspec.getFlowspec()}, destFlowspec.getPathId(), byteAggregator);
  79         }
  80     }
  81 }
  82