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/*
* Copyright (c) 2017 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.write.factory;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.routing.write.factory.base.BasicHopRequestFactory;
import io.fd.hc2vpp.routing.write.trait.RouteRequestProducer;
import io.fd.hc2vpp.vpp.classifier.context.VppClassifierContextManager;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
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.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.Route;
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.TableLookupCase;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv4.unicast.routing.rev180319.VppIpv4RouteAttributesAugmentation;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv4.unicast.routing.rev180319.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.VppIpv4Route;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv6.unicast.routing.rev180319.VppIpv6RouteAttributesAugmentation;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv6.unicast.routing.rev180319.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv6.route.VppIpv6Route;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.routing.rev180319.VppRouteAttributes;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.routing.types.rev180406.VniReference;
public class TableLookupRequestFactory extends BasicHopRequestFactory implements RouteRequestProducer {
// must be all zeros
private static final byte[] DEAGRAGATION_ADDRESS = new byte[4];
public TableLookupRequestFactory(@Nonnull final VppClassifierContextManager classifierContextManager,
@Nonnull final NamingContext interfaceContext,
@Nonnull final NamingContext routingProtocolContext) {
super(classifierContextManager, interfaceContext, routingProtocolContext);
}
public IpAddDelRoute createV4TableLookupRouteRequest(final boolean add,
@Nonnull final String parentProtocolName,
@Nonnull final Route route,
@Nonnull final MappingContext mappingContext) {
final Ipv4Prefix prefix = route.getDestinationPrefix();
final byte[] destinationAddress = ipv4AddressPrefixToArray(prefix);
final byte destinationPrefix = extractPrefix(prefix);
final int primaryTableId = getRoutingProtocolContext().getIndex(parentProtocolName, mappingContext);
final byte secondaryTableId = Optional.ofNullable(route.getNextHop().getNextHopOptions())
.filter(nextHopOptions -> nextHopOptions instanceof TableLookupCase)
.map(TableLookupCase.class::cast)
.map(TableLookupCase::getSecondaryVrf)
.map(VniReference::getValue)
.map(Long::byteValue)
.orElseThrow(() -> new IllegalArgumentException("Table lookup option not specified correctly"));
VppIpv4Route vppIpv4Route =
route.getAugmentation(VppIpv4RouteAttributesAugmentation.class) != null ? route.getAugmentation(
VppIpv4RouteAttributesAugmentation.class).getVppIpv4Route() : null;
final Optional<String> optClassifyTable = Optional.ofNullable(vppIpv4Route)
.map(VppRouteAttributes::getClassifyTable);
final byte classifyTableSet = booleanToByte(optClassifyTable.isPresent());
final byte classifyTableIndex = optClassifyTable.map(tableName -> classifyTableIndex(tableName, getVppClassifierContextManager(), mappingContext))
.map(Integer::byteValue)
.orElse(DEFAULT_CLASSIFY_TABLE_INDEX);
return flaglessAddDelRouteRequest(booleanToByte(add), ~0, DEAGRAGATION_ADDRESS, (byte) 0, (byte) 0, destinationAddress,
destinationPrefix, (byte) 0, primaryTableId, secondaryTableId, classifyTableIndex, classifyTableSet);
}
public IpAddDelRoute createV6TableLookupRouteRequest(final boolean add,
@Nonnull final String parentProtocolName,
@Nonnull final 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 route,
@Nonnull final MappingContext mappingContext) {
final Ipv6Prefix prefix = route.getDestinationPrefix();
final byte[] destinationAddress = ipv6AddressPrefixToArray(prefix);
final byte destinationPrefix = extractPrefix(prefix);
final int primaryTableId = getRoutingProtocolContext().getIndex(parentProtocolName, mappingContext);
final byte secondaryTableId = Optional.ofNullable(route.getNextHop().getNextHopOptions())
.filter(nextHopOptions -> nextHopOptions instanceof TableLookupCase)
.map(TableLookupCase.class::cast)
.map(TableLookupCase::getSecondaryVrf)
.map(VniReference::getValue)
.map(Long::byteValue)
.orElseThrow(() -> new IllegalArgumentException("Table lookup option not specified correctly"));
VppIpv6Route vppIpv6Route = route.getAugmentation(VppIpv6RouteAttributesAugmentation.class) != null
? route.getAugmentation(VppIpv6RouteAttributesAugmentation.class).getVppIpv6Route() : null;
final Optional<String> optClassifyTable = Optional.ofNullable(vppIpv6Route)
.map(VppRouteAttributes::getClassifyTable);
final byte classifyTableSet = booleanToByte(optClassifyTable.isPresent());
final byte classifyTableIndex = optClassifyTable.map(tableName -> classifyTableIndex(tableName, getVppClassifierContextManager(), mappingContext))
.map(Integer::byteValue)
.orElse(DEFAULT_CLASSIFY_TABLE_INDEX);
return flaglessAddDelRouteRequest(booleanToByte(add), ~0, DEAGRAGATION_ADDRESS, (byte) 0, (byte) 1, destinationAddress,
destinationPrefix, (byte) 0, primaryTableId, secondaryTableId, classifyTableIndex, classifyTableSet);
}
}
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