/* * 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.naming; import com.google.common.net.InetAddresses; import io.fd.hc2vpp.common.translate.util.NamingContext; import io.fd.hc2vpp.routing.trait.RouteMapper; import io.fd.hc2vpp.routing.write.trait.RouteRequestProducer; import io.fd.honeycomb.translate.MappingContext; import io.fd.vpp.jvpp.core.dto.Ip6FibDetails; import io.fd.vpp.jvpp.core.types.FibPath; import java.net.InetAddress; import java.net.UnknownHostException; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv6.Route; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv6.route.next.hop.NextHop1; 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.vpp.ipv6.unicast.routing.rev180319.VppIpv6NextHopAugmentation; public final class Ipv6RouteNamesFactory implements RouteMapper, RouteRequestProducer { private static final String COLON = ":"; private static final String DASH = "-"; private static final String UNDERSCORE = "_"; private final NamingContext interfaceContext; private final NamingContext routingProtocolContext; public Ipv6RouteNamesFactory(@Nonnull final NamingContext interfaceContext, @Nonnull final NamingContext routingProtocolContext) { this.interfaceContext = interfaceContext; this.routingProtocolContext = routingProtocolContext; } /** * Construct unique name from provided {@code Route} */ public String uniqueRouteName(@Nonnull final String parentProtocolName, @Nonnull final Route route) { return bindName(parentProtocolName, // to have address in compressed form doubleDotlessAddress(route.getDestinationPrefix()), route.getDestinationPrefix().getValue().substring(route.getDestinationPrefix().getValue().indexOf('/') + 1)); } /** * Construct unique name from provided {@code IpFibDetails} */ public String uniqueRouteName(@Nonnull final Ip6FibDetails details, @Nonnull final MappingContext mappingContext) { return bindName(routingProtocolContext.getName(details.tableId, mappingContext), doubleDotlessAddress(details.address), String.valueOf(Byte.toUnsignedInt(details.addressLength))); } /** * Construct unique name from provided parentProtocolName and {@code Ipv6Prefix} */ public String uniqueRouteName(@Nonnull final String parentProtocolName, @Nonnull final Ipv6Prefix prefix) { return bindName(parentProtocolName, doubleDotlessAddress(prefix), prefix.getValue().substring(prefix.getValue().indexOf('/') + 1)); } public Ipv6Prefix ipv6PrefixFromUniqueRouteName(@Nonnull final String uniqueName) { String[] parts = uniqueName.split(UNDERSCORE); return new Ipv6Prefix(coloned(parts[1]) + "/" + parts[2]); } public String uniqueRouteHopName(@Nonnull final NextHop hop) { return bindName(hop.getOutgoingInterface(), doubleDotlessAddress(hop.getAugmentation(NextHop1.class).getNextHopAddress()), String.valueOf(hop.getAugmentation(VppIpv6NextHopAugmentation.class).getWeight())); } public String uniqueRouteHopName(@Nonnull final FibPath path, @Nonnull final MappingContext mappingContext) { return bindName(interfaceContext.getName(path.swIfIndex, mappingContext), doubleDotlessAddress(path.nextHop), String.valueOf(path.weight)); } /** * Uses combination of standard java.net.InetAddress and com.google.common.net.InetAddresses for following reasons *