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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 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.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.TableLookup;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.route.next.hop.options.table.lookup.TableLookupParams;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.routing.rev170917.VniReference;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.routing.rev170917.VppRouteAttributes;
import javax.annotation.Nonnull;
import java.util.Optional;
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 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv4.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.getNextHopOptions())
.filter(nextHopOptions -> nextHopOptions instanceof TableLookup)
.map(TableLookup.class::cast)
.map(TableLookup::getTableLookupParams)
.map(TableLookupParams::getSecondaryVrf)
.map(VniReference::getValue)
.map(Long::byteValue)
.orElseThrow(() -> new IllegalArgumentException("Table lookup option not specified correctly"));
final Optional<String> optClassifyTable = Optional.ofNullable(route.getVppIpv4Route())
.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.rev170917.routing.routing.instance.routing.protocols.routing.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.getNextHopOptions())
.filter(nextHopOptions -> nextHopOptions instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.TableLookup)
.map(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.TableLookup.class::cast)
.map(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.TableLookup::getTableLookupParams)
.map(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev170917.routing.routing.instance.routing.protocols.routing.protocol._static.routes.ipv6.route.next.hop.options.table.lookup.TableLookupParams::getSecondaryVrf)
.map(VniReference::getValue)
.map(Long::byteValue)
.orElseThrow(() -> new IllegalArgumentException("Table lookup option not specified correctly"));
final Optional<String> optClassifyTable = Optional.ofNullable(route.getVppIpv6Route())
.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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