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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.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.http.fd.io.hc2vpp.yang.vpp.ipv4.unicast.routing.rev180319.VppIpv4NextHopAugmentation;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.ipv4.unicast.routing.rev180319.VppIpv4NextHopAugmentationBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.next.hop.NextHop1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.next.hop.NextHop1Builder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.next.hop.SimpleNextHop1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.next.hop.SimpleNextHop1Builder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.NextHopOptions;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.NextHopList;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.NextHopListBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.SimpleNextHop;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.SimpleNextHopBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.SpecialNextHop;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.SpecialNextHopBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.TableLookupCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.next.hop.list.next.hop.list.NextHop;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.next.hop.list.next.hop.list.NextHopBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.Ipv4;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
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) {
if (parsedHops.size() == 1) {
final FibPath path = parsedHops.get(0);
if (RouteMapper.INSTANCE.isTableLookup(path)) return tableLookup();
if (RouteMapper.INSTANCE.isSpecialHop(path)) return specialHop(path);
return simpleHop(path, interfaceContext, mappingContext);
}
return hopList(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext, namesFactory);
}
static NextHopOptions tableLookup() {
return new TableLookupCaseBuilder()
// TODO - https://jira.fd.io/browse/VPP-994
.setSecondaryVrf(new VniReference(0L))
.setAddressFamily(Ipv4.class)
.build();
}
static SpecialNextHop specialHop(final FibPath singlePath) {
return new SpecialNextHopBuilder()
.setSpecialNextHopEnum(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)
.addAugmentation(SimpleNextHop1.class, new SimpleNextHop1Builder()
.setNextHopAddress(AddressTranslator.INSTANCE.arrayToIpv4AddressNoZone(path.nextHop))
.build())
.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 NextHopList hopList(final String routeName, final List<FibPath> parsedHops,
final NamingContext interfaceContext, final MultiNamingContext routeHopContext,
final MappingContext mappingContext, final Ipv4RouteNamesFactory namesFactory) {
return new NextHopListBuilder().setNextHopList(
parseNextHopList(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext, namesFactory))
.build();
}
static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.next.hop.list.NextHopList parseNextHopList(
String routeName, List<FibPath> parsedHops, NamingContext interfaceContext, MultiNamingContext routeHopContext,
MappingContext mappingContext, Ipv4RouteNamesFactory namesFactory) {
List<NextHop> nextHops = parsedHops.stream()
.map(fibPath -> resolveInterfaceIfSpecified(new NextHopBuilder(), fibPath.swIfIndex, interfaceContext,
mappingContext).setIndex(
getRouteIndex(routeName, routeHopContext, mappingContext, namesFactory, fibPath))
.addAugmentation(NextHop1.class, new NextHop1Builder().setNextHopAddress(
AddressTranslator.INSTANCE.arrayToIpv4AddressNoZone(fibPath.nextHop)).build())
.addAugmentation(VppIpv4NextHopAugmentation.class,
new VppIpv4NextHopAugmentationBuilder().setWeight((short) fibPath.weight).build())
.build())
.collect(Collectors.toList());
return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.next.hop.list.NextHopListBuilder()
.setNextHop(nextHops)
.build();
}
static String getRouteIndex(String routeName, MultiNamingContext routeHopContext, MappingContext mappingContext,
Ipv4RouteNamesFactory namesFactory, FibPath fibPath) {
if (routeName.contains("learned-route")) {
routeHopContext.addChild(routeName, namesFactory.uniqueRouteHopName(fibPath, mappingContext),
mappingContext);
}
return String.valueOf(
routeHopContext.getChildIndex(routeName, namesFactory.uniqueRouteHopName(fibPath, mappingContext),
mappingContext));
}
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 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.NextHop 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) {
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.NextHopBuilder
nextHopBuilder = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.NextHopBuilder();
return parsedHops == null || parsedHops.isEmpty() ? null : nextHopBuilder.setNextHopOptions(
resolveOption(routeName, parsedHops, interfaceContext, routeHopContext, mappingContext, namesFactory))
.build();
}
}
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