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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.l3.utils.ip.read;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Optional;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.util.SubInterfaceUtils;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
import io.fd.jvpp.core.dto.IpNeighborDetails;
import io.fd.jvpp.core.dto.IpNeighborDetailsReplyDump;
import io.fd.jvpp.core.dto.IpNeighborDump;
import io.fd.jvpp.core.future.FutureJVppCore;
import java.util.Collections;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.vlan.rev180319.interfaces.state._interface.sub.interfaces.SubInterface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.state.Interface;
import org.opendaylight.yangtools.yang.binding.Identifier;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
/**
* Provides logic for reading ip neighbours
*/
public abstract class IpNeighbourReader extends IpReader {
private final DumpCacheManager<IpNeighborDetailsReplyDump, IfaceDumpFilter> dumpCacheManager;
protected IpNeighbourReader(@Nonnull final NamingContext interfaceContext, boolean isIpv6,
@Nonnull final DumpCacheManager<IpNeighborDetailsReplyDump, IfaceDumpFilter> dumpCacheManager) {
super(interfaceContext, isIpv6);
this.dumpCacheManager = dumpCacheManager;
}
@Nonnull
protected Optional<IpNeighborDetailsReplyDump> interfaceNeighboursDump(@Nonnull final InstanceIdentifier<?> id,
@Nonnull final ReadContext context) throws ReadFailedException {
return dumpCacheManager.getDump(id, context.getModificationCache(), new IfaceDumpFilter(getInterfaceContext()
.getIndex(id.firstKeyOf(Interface.class).getName(), context.getMappingContext()), isIpv6()));
}
@Nonnull
protected Optional<IpNeighborDetailsReplyDump> subInterfaceNeighboursDump(@Nonnull final InstanceIdentifier<?> id,
@Nonnull final ReadContext context) throws ReadFailedException {
final String subInterfaceName = SubInterfaceUtils.getSubInterfaceName(id.firstKeyOf(Interface.class).getName(),
id.firstKeyOf(SubInterface.class).getIdentifier().intValue());
return dumpCacheManager.getDump(id, context.getModificationCache(), new IfaceDumpFilter(getInterfaceContext()
.getIndex(subInterfaceName, context.getMappingContext()), isIpv6()));
}
@Nonnull
protected static EntityDumpExecutor<IpNeighborDetailsReplyDump, IfaceDumpFilter> createNeighbourDumpExecutor(
@Nonnull final FutureJVppCore vppApi) {
return (identifier, params) -> {
checkNotNull(params, "Address dump params cannot be null");
final IpNeighborDump dumpRequest = new IpNeighborDump();
dumpRequest.isIpv6 = ByteDataTranslator.INSTANCE.booleanToByte(params.isIpv6());
dumpRequest.swIfIndex = params.getInterfaceIndex();
return JvppReplyConsumer.INSTANCE.getReplyForRead(vppApi.ipNeighborDump(dumpRequest).toCompletableFuture(), identifier);
};
}
@Nonnull
protected <T extends Identifier> List<T> getNeighborKeys(
final Optional<IpNeighborDetailsReplyDump> neighbourDumpOpt,
final Function<IpNeighborDetails, T> detailToKey)
throws ReadFailedException {
if (neighbourDumpOpt.isPresent()) {
final IpNeighborDetailsReplyDump neighbourDump = neighbourDumpOpt.get();
return neighbourDump.ipNeighborDetails.stream()
.map(detailToKey)
.collect(Collectors.toList());
} else {
return Collections.emptyList();
}
}
}
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