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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 static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
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.OneEidTableVniDetails;
import io.fd.vpp.jvpp.core.dto.OneEidTableVniDetailsReplyDump;
import io.fd.vpp.jvpp.core.dto.OneEidTableVniDump;
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.rev170808.Lisp;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170808.eid.table.grouping.EidTable;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170808.eid.table.grouping.EidTableBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170808.eid.table.grouping.eid.table.VniTable;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170808.eid.table.grouping.eid.table.VniTableBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170808.eid.table.grouping.eid.table.VniTableKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev170808.lisp.feature.data.grouping.LispFeatureData;
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;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Handles the reads of {@link VniTable} nodes
*/
public class VniTableCustomizer extends CheckedLispCustomizer
implements InitializingListReaderCustomizer<VniTable, VniTableKey, VniTableBuilder>, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(VniTableCustomizer.class);
private final DumpCacheManager<OneEidTableVniDetailsReplyDump, Void> dumpManager;
public VniTableCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final LispStateCheckService lispStateCheckService) {
super(futureJvpp, lispStateCheckService);
this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<OneEidTableVniDetailsReplyDump, Void>()
.withExecutor(((identifier, params) -> getReplyForRead(
futureJvpp.oneEidTableVniDump(new OneEidTableVniDump()).toCompletableFuture(), identifier)))
.acceptOnly(OneEidTableVniDetailsReplyDump.class)
.build();
}
private static VniTableKey detailsToKey(final OneEidTableVniDetails lispEidTableMapDetails) {
return new VniTableKey(Integer.valueOf(lispEidTableMapDetails.vni).longValue());
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<VniTable> readData) {
((EidTableBuilder) builder).setVniTable(readData);
}
@Nonnull
@Override
public VniTableBuilder getBuilder(@Nonnull final InstanceIdentifier<VniTable> id) {
return new VniTableBuilder();
}
@Nonnull
@Override
public List<VniTableKey> getAllIds(@Nonnull final InstanceIdentifier<VniTable> id,
@Nonnull final ReadContext context)
throws ReadFailedException {
if (!lispStateCheckService.lispEnabled(context)) {
LOG.debug("Failed to read {}. Lisp feature must be enabled first", id);
return Collections.emptyList();
}
LOG.trace("Reading all IDS...");
final Optional<OneEidTableVniDetailsReplyDump> optionalReply =
dumpManager.getDump(id, context.getModificationCache());
if (!optionalReply.isPresent() || optionalReply.get().oneEidTableVniDetails.isEmpty()) {
return Collections.emptyList();
}
return optionalReply.get().oneEidTableVniDetails.stream().map(VniTableCustomizer::detailsToKey)
.collect(Collectors.toList());
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<VniTable> id,
@Nonnull final VniTableBuilder builder, @Nonnull final ReadContext ctx)
throws ReadFailedException {
if (!lispStateCheckService.lispEnabled(ctx)) {
LOG.debug("Failed to read {}. Lisp feature must be enabled first", id);
return;
}
checkState(id.firstKeyOf(VniTable.class) != null, "No VNI present");
VniTableKey key = new VniTableKey(id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier());
final Optional<OneEidTableVniDetailsReplyDump> optionalReply =
dumpManager.getDump(id, ctx.getModificationCache());
if (!optionalReply.isPresent() || optionalReply.get().oneEidTableVniDetails.isEmpty()) {
return;
}
//transforming right away to single detail(specific request should do the magic)
final OneEidTableVniDetails details = optionalReply.get()
.oneEidTableVniDetails
.stream()
.filter(a -> a.vni == key.getVirtualNetworkIdentifier().intValue())
.collect(RWUtils.singleItemCollector());
builder.setVirtualNetworkIdentifier((long) details.vni);
builder.setKey(new VniTableKey(Long.valueOf(details.vni)));
}
@Nonnull
@Override
public Initialized<? extends DataObject> init(@Nonnull InstanceIdentifier<VniTable> instanceIdentifier, @Nonnull VniTable vniTable, @Nonnull ReadContext readContext) {
final KeyedInstanceIdentifier<VniTable, VniTableKey> identifier = InstanceIdentifier.create(Lisp.class)
.child(LispFeatureData.class)
.child(EidTable.class)
.child(VniTable.class, instanceIdentifier.firstKeyOf(VniTable.class));
return Initialized.create(identifier, vniTable);
}
}
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