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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.honeycomb.lisp.translate.read;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.honeycomb.lisp.translate.read.dump.check.LocatorDumpCheck;
import io.fd.honeycomb.lisp.translate.read.dump.executor.LocatorDumpExecutor;
import io.fd.honeycomb.lisp.translate.read.dump.executor.params.LocatorDumpParams;
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.RWUtils;
import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.v3po.util.NamingContext;
import io.fd.honeycomb.translate.v3po.util.cache.DumpCacheManager;
import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
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.rev160520.locator.sets.grouping.locator.sets.LocatorSet;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.LocatorSetBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.locator.set.Interface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.locator.set.InterfaceBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.locator.sets.grouping.locator.sets.locator.set.InterfaceKey;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.core.dto.LispLocatorDetails;
import org.openvpp.jvpp.core.dto.LispLocatorDetailsReplyDump;
import org.openvpp.jvpp.core.future.FutureJVppCore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Customizer for reading {@code Interface}<br> Currently not supported by jvpp
*/
public class InterfaceCustomizer
extends FutureJVppCustomizer
implements ListReaderCustomizer<Interface, InterfaceKey, InterfaceBuilder> {
private static final Logger LOG = LoggerFactory.getLogger(InterfaceCustomizer.class);
private static final String KEY_BASE = InterfaceCustomizer.class.getName();
private final NamingContext interfaceContext;
private final NamingContext locatorSetContext;
private final DumpCacheManager<LispLocatorDetailsReplyDump, LocatorDumpParams> dumpCacheManager;
public InterfaceCustomizer(
@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final NamingContext interfaceContext,
@Nonnull final NamingContext locatorSetContext) {
super(futureJvpp);
this.interfaceContext = checkNotNull(interfaceContext, "Interface context cannot be null");
this.locatorSetContext = checkNotNull(locatorSetContext, "Locator set context cannot be null");
this.dumpCacheManager =
new DumpCacheManager.DumpCacheManagerBuilder<LispLocatorDetailsReplyDump, LocatorDumpParams>()
.withExecutor(new LocatorDumpExecutor(futureJvpp))
.withNonEmptyPredicate(new LocatorDumpCheck())
.build();
}
@Override
public InterfaceBuilder getBuilder(InstanceIdentifier<Interface> id) {
return new InterfaceBuilder();
}
@Override
public void readCurrentAttributes(InstanceIdentifier<Interface> id, InterfaceBuilder builder, ReadContext ctx)
throws ReadFailedException {
checkState(id.firstKeyOf(LocatorSet.class) != null, "Cannot find reference to parent locator set");
final String name = id.firstKeyOf(LocatorSet.class).getName();
checkState(locatorSetContext.containsIndex(name, ctx.getMappingContext()));
final int interfaceIndex = locatorSetContext.getIndex(name, ctx.getMappingContext());
final LocatorDumpParams params = new LocatorDumpParams.LocatorDumpParamsBuilder()
.setFilter(LocatorDumpParams.LocatorDumpFilter.LOCAL)
.setLocatorSetIndex(interfaceIndex)
.build();
Optional<LispLocatorDetailsReplyDump> reply;
try {
reply = dumpCacheManager.getDump(KEY_BASE, ctx.getModificationCache(), params);
} catch (DumpExecutionFailedException e) {
throw new ReadFailedException(id, e);
}
if (reply.isPresent()) {
final LispLocatorDetails details = reply.get()
.lispLocatorDetails
.stream()
.filter(a -> a.swIfIndex == interfaceIndex)
.collect(RWUtils.singleItemCollector());
final String interfaceRef = interfaceContext.getName(details.swIfIndex, ctx.getMappingContext());
builder.setPriority(Byte.valueOf(details.priority).shortValue());
builder.setWeight(Byte.valueOf(details.weight).shortValue());
builder.setInterfaceRef(interfaceRef);
builder.setKey(new InterfaceKey(interfaceRef));
}
}
@Override
public List<InterfaceKey> getAllIds(InstanceIdentifier<Interface> id, ReadContext context)
throws ReadFailedException {
checkState(id.firstKeyOf(LocatorSet.class) != null, "Cannot find reference to parent locator set");
final String name = id.firstKeyOf(LocatorSet.class).getName();
checkState(locatorSetContext.containsIndex(name, context.getMappingContext()), "No mapping for %s", name);
final LocatorDumpParams params = new LocatorDumpParams.LocatorDumpParamsBuilder()
.setFilter(LocatorDumpParams.LocatorDumpFilter.LOCAL)
.setLocatorSetIndex(locatorSetContext.getIndex(name, context.getMappingContext()))
.build();
Optional<LispLocatorDetailsReplyDump> reply;
try {
reply = dumpCacheManager.getDump(KEY_BASE, context.getModificationCache(), params);
} catch (DumpExecutionFailedException e) {
throw new ReadFailedException(id, e);
}
if (reply.isPresent()) {
return reply.get()
.lispLocatorDetails
.stream()
.map(a -> new InterfaceKey(interfaceContext.getName(a.swIfIndex, context.getMappingContext())))
.collect(Collectors.toList());
} else {
return Collections.emptyList();
}
}
@Override
public void merge(Builder<? extends DataObject> builder, List<Interface> readData) {
((LocatorSetBuilder) builder).setInterface(readData);
}
}
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