diff options
Diffstat (limited to 'routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/trait/Ipv4RoutePathParser.java')
-rw-r--r-- | routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/trait/Ipv4RoutePathParser.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/trait/Ipv4RoutePathParser.java b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/trait/Ipv4RoutePathParser.java new file mode 100644 index 000000000..58dee232b --- /dev/null +++ b/routing/routing-impl/src/main/java/io/fd/hc2vpp/routing/trait/Ipv4RoutePathParser.java @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.hc2vpp.routing.trait; + +import static io.fd.hc2vpp.routing.trait.RouteMapper.isDefaultInterfaceIndex; + +import io.fd.hc2vpp.common.translate.util.AddressTranslator; +import io.fd.hc2vpp.common.translate.util.MultiNamingContext; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.hc2vpp.routing.naming.Ipv4RouteNamesFactory; +import io.fd.honeycomb.translate.MappingContext; +import io.fd.vpp.jvpp.core.types.FibPath; +import java.util.List; +import java.util.stream.Collectors; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.NextHopOptions; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.SimpleNextHop; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.SimpleNextHopBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.SpecialNextHop; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.SpecialNextHopBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.next.hop.list.NextHopListBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.next.hop.list.next.hop.list.NextHopBuilder; + +public interface Ipv4RoutePathParser extends RouteMapper { + + static NextHopOptions resolveOption(final String routeName, + final List<FibPath> parsedHops, + final NamingContext interfaceContext, + final MultiNamingContext routeHopContext, + final MappingContext mappingContext, + final Ipv4RouteNamesFactory namesFactory) { + return parsedHops.size() == 1 + ? RouteMapper.INSTANCE.isSpecialHop(parsedHops.get(0)) + ? specialHop(parsedHops.get(0)) + : simpleHop(parsedHops.get(0), interfaceContext, mappingContext) + : hopList(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext, namesFactory); + } + + static SpecialNextHop specialHop(final FibPath singlePath) { + return new SpecialNextHopBuilder() + .setSpecialNextHop(RouteMapper.INSTANCE.specialHopType(singlePath)) + .build(); + } + + static SimpleNextHop simpleHop(final FibPath path, final NamingContext interfaceContext, + final MappingContext mappingContext) { + return resolveInterfaceIfSpecified(new SimpleNextHopBuilder(), path.swIfIndex, interfaceContext, mappingContext) + .setNextHop(AddressTranslator.INSTANCE.arrayToIpv4AddressNoZone(path.nextHop)) + .build(); + } + + static SimpleNextHopBuilder resolveInterfaceIfSpecified(final SimpleNextHopBuilder builder, final int index, + final NamingContext interfaceContext, + final MappingContext mappingContext) { + if (!isDefaultInterfaceIndex(index)) { + builder.setOutgoingInterface(interfaceContext.getName(index, mappingContext)); + } + return builder; + } + + static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.NextHopList hopList( + final String routeName, + final List<FibPath> parsedHops, + final NamingContext interfaceContext, + final MultiNamingContext routeHopContext, + final MappingContext mappingContext, + final Ipv4RouteNamesFactory namesFactory) { + return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev140524.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.NextHopListBuilder() + .setNextHopList( + new NextHopListBuilder().setNextHop(parsedHops.stream() + .map(fibPath -> resolveInterfaceIfSpecified(new NextHopBuilder(), fibPath.swIfIndex, + interfaceContext, mappingContext) + .setId((long) (routeHopContext.getChildIndex(routeName, + namesFactory.uniqueRouteHopName(fibPath, mappingContext), + mappingContext))) + .setWeight(((short) fibPath.weight)) + .setAddress( + AddressTranslator.INSTANCE + .arrayToIpv4AddressNoZone(fibPath.nextHop)) + .build()) + .collect(Collectors.toList())) + .build()) + .build(); + } + + static NextHopBuilder resolveInterfaceIfSpecified(final NextHopBuilder builder, final int index, + final NamingContext interfaceContext, + final MappingContext mappingContext) { + if (!isDefaultInterfaceIndex(index)) { + builder.setOutgoingInterface(interfaceContext.getName(index, mappingContext)); + } + return builder; + } + + default NextHopOptions resolveHopType(@Nonnull final String routeName, + final List<FibPath> parsedHops, + @Nonnull final NamingContext interfaceContext, + @Nonnull final MultiNamingContext routeHopContext, + @Nonnull final MappingContext mappingContext, + @Nonnull final Ipv4RouteNamesFactory namesFactory) { + + return parsedHops == null || parsedHops.isEmpty() + ? null + : resolveOption(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext, namesFactory); + } +} |