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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.read;
import com.google.common.base.Optional;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.routing.trait.RouteMapper;
import io.fd.honeycomb.translate.ModificationCache;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.vpp.jvpp.core.dto.Ip6FibDetailsReplyDump;
import io.fd.vpp.jvpp.core.dto.IpFibDetailsReplyDump;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.routing.rev180319.RoutingProtocolVppAttr;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.routing.rev180319.RoutingProtocolVppAttrBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.routing.rev180319.routing.control.plane.protocols.control.plane.protocol.VppProtocolAttributesBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.Static;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.routing.ControlPlaneProtocolsBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.routing.control.plane.protocols.ControlPlaneProtocol;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.routing.control.plane.protocols.ControlPlaneProtocolBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.routing.control.plane.protocols.ControlPlaneProtocolKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
final class ControlPlaneProtocolCustomizer
implements ListReaderCustomizer<ControlPlaneProtocol, ControlPlaneProtocolKey, ControlPlaneProtocolBuilder>,
RouteMapper {
private final NamingContext routingProtocolContext;
private final DumpCacheManager<IpFibDetailsReplyDump, Void> ipv4RoutesDumpManager;
private final DumpCacheManager<Ip6FibDetailsReplyDump, Void> ipv6RoutesDumpManager;
ControlPlaneProtocolCustomizer(@Nonnull final NamingContext routingProtocolContext,
@Nonnull final DumpCacheManager<IpFibDetailsReplyDump, Void> ipv4RoutesDumpManager,
@Nonnull final DumpCacheManager<Ip6FibDetailsReplyDump, Void> ipv6RoutesDumpManager) {
this.routingProtocolContext = routingProtocolContext;
this.ipv4RoutesDumpManager = ipv4RoutesDumpManager;
this.ipv6RoutesDumpManager = ipv6RoutesDumpManager;
}
@Nonnull
@Override
public List<ControlPlaneProtocolKey> getAllIds(@Nonnull final InstanceIdentifier<ControlPlaneProtocol> instanceIdentifier,
@Nonnull final ReadContext readContext) throws ReadFailedException {
final ModificationCache modificationCache = readContext.getModificationCache();
// builds keys from routing protocol prefix and unique set of table ids
return Stream.of(
ipv4TableIds(instanceIdentifier, modificationCache),
ipv6TableIds(instanceIdentifier, modificationCache))
.flatMap(Collection::stream)
.map(tableId -> routingProtocolContext.getName(tableId, readContext.getMappingContext()))
.distinct()
.map(name -> new ControlPlaneProtocolKey(name, Static.class))
.collect(Collectors.toList());
}
private List<Integer> ipv4TableIds(final InstanceIdentifier<ControlPlaneProtocol> instanceIdentifier,
final ModificationCache modificationCache) throws ReadFailedException {
final Optional<IpFibDetailsReplyDump>
ipv4Routes = ipv4RoutesDumpManager.getDump(instanceIdentifier, modificationCache);
if (ipv4Routes.isPresent()) {
return ipv4Routes.get().ipFibDetails.stream()
.map(ipFibDetails -> ipFibDetails.tableId)
.collect(Collectors.toList());
}
return Collections.emptyList();
}
private List<Integer> ipv6TableIds(final InstanceIdentifier<ControlPlaneProtocol> instanceIdentifier,
final ModificationCache modificationCache) throws ReadFailedException {
final Optional<Ip6FibDetailsReplyDump>
ipv6Routes = ipv6RoutesDumpManager.getDump(instanceIdentifier, modificationCache);
if (ipv6Routes.isPresent()) {
return ipv6Routes.get().ip6FibDetails.stream()
.map(ipFibDetails -> ipFibDetails.tableId)
.collect(Collectors.toList());
}
return Collections.emptyList();
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> builder,
@Nonnull final List<ControlPlaneProtocol> list) {
((ControlPlaneProtocolsBuilder) builder).setControlPlaneProtocol(list);
}
@Nonnull
@Override
public ControlPlaneProtocolBuilder getBuilder(@Nonnull final InstanceIdentifier<ControlPlaneProtocol> instanceIdentifier) {
return new ControlPlaneProtocolBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ControlPlaneProtocol> instanceIdentifier,
@Nonnull final ControlPlaneProtocolBuilder routingProtocolBuilder,
@Nonnull final ReadContext readContext) throws ReadFailedException {
final ControlPlaneProtocolKey key = instanceIdentifier.firstKeyOf(ControlPlaneProtocol.class);
routingProtocolBuilder
.setName(key.getName())
.withKey(key)
.setType(Static.class)
.addAugmentation(RoutingProtocolVppAttr.class, new RoutingProtocolVppAttrBuilder().setVppProtocolAttributes(
new VppProtocolAttributesBuilder()
.setPrimaryVrf(
new VniReference(
Long.valueOf(routingProtocolContext.getIndex(key.getName(),
readContext.getMappingContext()))))
// address family is not being set because Control plane protocol can contain both IPv4 and IPv6
// protocols. Address family is resolved by static route type.
.build())
.build())
.build();
}
}
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