/*
* 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 static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableSet;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.lisp.translate.read.dump.executor.params.LocatorDumpParams;
import io.fd.hc2vpp.lisp.translate.read.dump.executor.params.LocatorDumpParams.LocatorDumpParamsBuilder;
import io.fd.hc2vpp.lisp.translate.read.init.LispInitPathsMapper;
import io.fd.hc2vpp.lisp.translate.read.trait.LocatorReader;
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.honeycomb.translate.util.read.cache.TypeAwareIdentifierCacheKeyFactory;
import io.fd.jvpp.core.dto.OneLocatorDetails;
import io.fd.jvpp.core.dto.OneLocatorDetailsReplyDump;
import io.fd.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.http.fd.io.hc2vpp.yang.lisp.rev171013.locator.sets.grouping.locator.sets.LocatorSet;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.lisp.rev171013.locator.sets.grouping.locator.sets.LocatorSetBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.lisp.rev171013.locator.sets.grouping.locator.sets.locator.set.Interface;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.lisp.rev171013.locator.sets.grouping.locator.sets.locator.set.InterfaceBuilder;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.lisp.rev171013.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.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
/**
* Customizer for reading {@code Interface}
Currently not supported by jvpp
*/
public class InterfaceCustomizer
extends FutureJVppCustomizer
implements InitializingListReaderCustomizer, LocatorReader, LispInitPathsMapper {
private final NamingContext interfaceContext;
private final NamingContext locatorSetContext;
private final DumpCacheManager 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()
.withExecutor(createLocatorDumpExecutor(futureJvpp))
// must be cached per locator set
.withCacheKeyFactory(new TypeAwareIdentifierCacheKeyFactory(OneLocatorDetailsReplyDump.class, ImmutableSet.of(LocatorSet.class)))
.build();
}
@Override
public InterfaceBuilder getBuilder(InstanceIdentifier id) {
return new InterfaceBuilder();
}
@Override
public void readCurrentAttributes(InstanceIdentifier id, InterfaceBuilder builder, ReadContext ctx)
throws ReadFailedException {
final String locatorSetName = id.firstKeyOf(LocatorSet.class).getName();
final String referencedInterfaceName = id.firstKeyOf(Interface.class).getInterfaceRef();
checkState(interfaceContext.containsIndex(referencedInterfaceName, ctx.getMappingContext()),
"No interface mapping for name %s", referencedInterfaceName);
checkState(locatorSetContext.containsIndex(locatorSetName, ctx.getMappingContext()),
"No locator set mapping for name %s", locatorSetName);
final int locatorSetIndexIndex = locatorSetContext.getIndex(locatorSetName, ctx.getMappingContext());
final int referencedInterfaceIndex =
interfaceContext.getIndex(referencedInterfaceName, ctx.getMappingContext());
final LocatorDumpParams params =
new LocatorDumpParamsBuilder().setLocatorSetIndex(locatorSetIndexIndex).build();
final Optional reply =
dumpCacheManager.getDump(id, ctx.getModificationCache(), params);
if (!reply.isPresent() || reply.get().oneLocatorDetails.isEmpty()) {
return;
}
final OneLocatorDetails details = reply.get()
.oneLocatorDetails
.stream()
.filter(a -> a.swIfIndex == referencedInterfaceIndex)
.collect(RWUtils.singleItemCollector());
final String interfaceRef = interfaceContext.getName(details.swIfIndex, ctx.getMappingContext());
builder.setPriority((short) Byte.toUnsignedInt(details.priority));
builder.setWeight((short) Byte.toUnsignedInt(details.weight));
builder.setInterfaceRef(interfaceRef);
builder.withKey(new InterfaceKey(interfaceRef));
}
@Override
public List getAllIds(InstanceIdentifier 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 LocatorDumpParamsBuilder()
.setLocatorSetIndex(locatorSetContext.getIndex(name, context.getMappingContext())).build();
final Optional reply =
dumpCacheManager.getDump(id, context.getModificationCache(), params);
if (!reply.isPresent() || reply.get().oneLocatorDetails.isEmpty()) {
return Collections.emptyList();
}
return reply.get()
.oneLocatorDetails
.stream()
.map(a -> new InterfaceKey(interfaceContext.getName(a.swIfIndex, context.getMappingContext())))
.collect(Collectors.toList());
}
@Override
public void merge(Builder extends DataObject> builder, List readData) {
((LocatorSetBuilder) builder).setInterface(readData);
}
@Nonnull
@Override
public Initialized extends DataObject> init(@Nonnull InstanceIdentifier instanceIdentifier, @Nonnull Interface anInterface, @Nonnull ReadContext readContext) {
final KeyedInstanceIdentifier identifier = lispLocatorSetPath(instanceIdentifier)
.child(Interface.class, instanceIdentifier.firstKeyOf(Interface.class));
return Initialized.create(identifier, anInterface);
}
}