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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.lisp.translate.read;
import com.google.common.base.Optional;
import io.fd.hc2vpp.common.translate.util.AddressTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.lisp.translate.read.init.LispInitPathsMapper;
import io.fd.hc2vpp.lisp.translate.service.LispStateCheckService;
import io.fd.hc2vpp.lisp.translate.util.CheckedLispCustomizer;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.Initialized;
import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.vpp.jvpp.core.dto.OneMapResolverDetails;
import io.fd.vpp.jvpp.core.dto.OneMapResolverDetailsReplyDump;
import io.fd.vpp.jvpp.core.dto.OneMapResolverDump;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170911.map.resolvers.grouping.MapResolvers;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170911.map.resolvers.grouping.MapResolversBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170911.map.resolvers.grouping.map.resolvers.MapResolver;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170911.map.resolvers.grouping.map.resolvers.MapResolverBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170911.map.resolvers.grouping.map.resolvers.MapResolverKey;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MapResolverCustomizer extends CheckedLispCustomizer
implements InitializingListReaderCustomizer<MapResolver, MapResolverKey, MapResolverBuilder>, AddressTranslator,
JvppReplyConsumer, LispInitPathsMapper {
private static final Logger LOG = LoggerFactory.getLogger(MapResolverCustomizer.class);
private final DumpCacheManager<OneMapResolverDetailsReplyDump, Void> dumpManager;
public MapResolverCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final LispStateCheckService lispStateCheckService) {
super(futureJvpp, lispStateCheckService);
this.dumpManager =
new DumpCacheManager.DumpCacheManagerBuilder<OneMapResolverDetailsReplyDump, Void>()
.withExecutor((identifier, params) -> getReplyForRead(
futureJvpp.oneMapResolverDump(new OneMapResolverDump()).toCompletableFuture(),
identifier))
.acceptOnly(OneMapResolverDetailsReplyDump.class)
.build();
}
@Override
public MapResolverBuilder getBuilder(InstanceIdentifier<MapResolver> id) {
return new MapResolverBuilder();
}
@Override
public void readCurrentAttributes(InstanceIdentifier<MapResolver> id, MapResolverBuilder builder, ReadContext ctx)
throws ReadFailedException {
if (!lispStateCheckService.lispEnabled(ctx)) {
LOG.debug("Failed to read {}. Lisp feature must be enabled first", id);
return;
}
LOG.debug("Reading attributes...");
final Optional<OneMapResolverDetailsReplyDump> dumpOptional =
dumpManager.getDump(id, ctx.getModificationCache());
if (!dumpOptional.isPresent() || dumpOptional.get().oneMapResolverDetails.isEmpty()) {
LOG.warn("No data dumped");
return;
}
final MapResolverKey key = id.firstKeyOf(MapResolver.class);
final OneMapResolverDetails mapResolverDetails =
dumpOptional.get().oneMapResolverDetails.stream()
.filter(a -> addressesEqual(key.getIpAddress(),
arrayToIpAddress(byteToBoolean(a.isIpv6), a.ipAddress)))
.collect(RWUtils.singleItemCollector());
builder.setKey(key);
builder.setIpAddress(
arrayToIpAddress(byteToBoolean(mapResolverDetails.isIpv6), mapResolverDetails.ipAddress));
}
@Override
public List<MapResolverKey> getAllIds(InstanceIdentifier<MapResolver> id, ReadContext context)
throws ReadFailedException {
if (!lispStateCheckService.lispEnabled(context)) {
LOG.debug("Failed to read {}. Lisp feature must be enabled first", id);
return Collections.emptyList();
}
LOG.debug("Dumping MapResolver...");
final Optional<OneMapResolverDetailsReplyDump> dumpOptional =
dumpManager.getDump(id, context.getModificationCache());
if (!dumpOptional.isPresent() || dumpOptional.get().oneMapResolverDetails.isEmpty()) {
return Collections.emptyList();
}
return dumpOptional.get().oneMapResolverDetails.stream()
.map(resolver -> new MapResolverKey(
arrayToIpAddress(byteToBoolean(resolver.isIpv6), resolver.ipAddress)))
.collect(Collectors.toList());
}
@Override
public void merge(Builder<? extends DataObject> builder, List<MapResolver> readData) {
((MapResolversBuilder) builder).setMapResolver(readData);
}
@Nonnull
@Override
public Initialized<? extends DataObject> init(@Nonnull InstanceIdentifier<MapResolver> instanceIdentifier,
@Nonnull MapResolver mapResolver, @Nonnull ReadContext readContext) {
return Initialized.create(lispFeaturesBasePath().child(MapResolvers.class)
.child(MapResolver.class, instanceIdentifier.firstKeyOf(MapResolver.class)), mapResolver);
}
}
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