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/*
* 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.Ipv6RouteNamesFactory;
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.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.NextHopOptions;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.SimpleNextHop;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.SimpleNextHopBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.SpecialNextHop;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.SpecialNextHopBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.next.hop.list.NextHopList;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.next.hop.list.NextHopListBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.next.hop.list.next.hop.list.NextHopBuilder;
public interface Ipv6RoutePathParser extends RouteMapper {
static NextHopOptions resolveOption(final String routeName,
final List<FibPath> parsedHops,
final NamingContext interfaceContext,
final MultiNamingContext routeHopContext,
final MappingContext mappingContext,
final Ipv6RouteNamesFactory namesFactory) {
return parsedHops.size() == 1
? 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 fibPath) {
return new SpecialNextHopBuilder()
.setSpecialNextHop(INSTANCE.specialHopType(fibPath))
.build();
}
static SimpleNextHop simpleHop(final FibPath path, final NamingContext interfaceContext,
final MappingContext mappingContext) {
return resolveInterfaceIfSpecified(new SimpleNextHopBuilder(), path.swIfIndex, interfaceContext, mappingContext)
.setNextHop(AddressTranslator.INSTANCE.arrayToIpv6AddressNoZone(path.nextHop))
.build();
}
static SimpleNextHopBuilder resolveInterfaceIfSpecified(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.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.NextHopList hopList(
final String routeName,
final List<FibPath> parsedHops,
final NamingContext interfaceContext,
final MultiNamingContext routeHopContext,
final MappingContext mappingContext,
final Ipv6RouteNamesFactory namesFactory) {
return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev140525.routing.state.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.NextHopListBuilder()
.setNextHopList(
buildNextHopList(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext,
namesFactory))
.build();
}
static NextHopList buildNextHopList(final String routeName, final List<FibPath> parsedHops,
final NamingContext interfaceContext,
final MultiNamingContext routeHopContext,
final MappingContext mappingContext,
final Ipv6RouteNamesFactory namesFactory) {
return new NextHopListBuilder().setNextHop(parsedHops.stream()
.map(fibPath -> resolveInterfaceIfSpecified(new NextHopBuilder(), fibPath.swIfIndex, interfaceContext,
mappingContext)
.setId(findIdWithinRouteContext(routeName, routeHopContext, mappingContext, fibPath,
namesFactory))
.setWeight((short) fibPath.weight)
.setAddress(AddressTranslator.INSTANCE.arrayToIpv6AddressNoZone(fibPath.nextHop))
.build())
.collect(Collectors.toList()))
.build();
}
static NextHopBuilder resolveInterfaceIfSpecified(NextHopBuilder builder, final int index,
final NamingContext interfaceContext,
final MappingContext mappingContext) {
if (!isDefaultInterfaceIndex(index)) {
builder.setOutgoingInterface(interfaceContext.getName(index, mappingContext));
}
return builder;
}
static long findIdWithinRouteContext(final String routeName, final MultiNamingContext routeHopContext,
final MappingContext mappingContext, final FibPath fibPath,
final Ipv6RouteNamesFactory namesFactory) {
return (long) (routeHopContext
.getChildIndex(routeName, namesFactory.uniqueRouteHopName(fibPath, mappingContext), mappingContext));
}
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 Ipv6RouteNamesFactory namesFactory) {
return parsedHops == null || parsedHops.isEmpty()
? null
: resolveOption(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext, namesFactory);
}
}
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