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/*
* Copyright (c) 2015 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.checkState;
import static io.fd.honeycomb.translate.v3po.util.cache.EntityDumpExecutor.NO_PARAMS;
import com.google.common.base.Optional;
import io.fd.honeycomb.lisp.translate.read.dump.check.VniTableDumpCheck;
import io.fd.honeycomb.lisp.translate.read.dump.executor.VniTableDumpExecutor;
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.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.eid.table.grouping.EidTableBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTable;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTableBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTableKey;
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.LispEidTableMapDetails;
import org.openvpp.jvpp.core.dto.LispEidTableMapDetailsReplyDump;
import org.openvpp.jvpp.core.future.FutureJVppCore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Handles the reads of {@link VniTable} nodes
*/
public class VniTableCustomizer extends FutureJVppCustomizer
implements ListReaderCustomizer<VniTable, VniTableKey, VniTableBuilder> {
private static final Logger LOG = LoggerFactory.getLogger(VniTableCustomizer.class);
private static final String LISP_TABLE_ID_DUMP = VniTableCustomizer.class.getName();
private final DumpCacheManager<LispEidTableMapDetailsReplyDump, Void> dumpManager;
public VniTableCustomizer(@Nonnull final FutureJVppCore futureJvpp) {
super(futureJvpp);
this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<LispEidTableMapDetailsReplyDump, Void>()
.withExecutor(new VniTableDumpExecutor(futureJvpp))
.withNonEmptyPredicate(new VniTableDumpCheck())
.build();
}
private static VniTableKey detailsToKey(final LispEidTableMapDetails 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 {
LOG.trace("Reading all IDS...");
Optional<LispEidTableMapDetailsReplyDump> optionalReply;
try {
optionalReply = dumpManager.getDump(LISP_TABLE_ID_DUMP, context.getModificationCache(), NO_PARAMS);
} catch (DumpExecutionFailedException e) {
throw new ReadFailedException(id, e);
}
if (!optionalReply.isPresent()) {
return Collections.emptyList();
}
LispEidTableMapDetailsReplyDump reply = optionalReply.get();
LOG.debug("Dumped ...");
// Just transform received details into a list of keys
final List<VniTableKey> collect = reply.lispEidTableMapDetails.stream().map(VniTableCustomizer::detailsToKey)
.collect(Collectors.toList());
LOG.debug("All IDs found: {} ...", collect);
return collect;
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<VniTable> id,
@Nonnull final VniTableBuilder builder, @Nonnull final ReadContext ctx)
throws ReadFailedException {
checkState(id.firstKeyOf(VniTable.class) != null, "No VNI present");
VniTableKey key = new VniTableKey(id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier());
Optional<LispEidTableMapDetailsReplyDump> optionalReply;
try {
optionalReply = dumpManager.getDump(LISP_TABLE_ID_DUMP, ctx.getModificationCache(), NO_PARAMS);
} catch (DumpExecutionFailedException e) {
throw new ReadFailedException(id, e);
}
if (!optionalReply.isPresent()) {
return;
}
//transforming right away to single detail(specific request should do the magic)
LispEidTableMapDetails details =
optionalReply.get().lispEidTableMapDetails.stream().filter(a -> detailsToKey(a).equals(key))
.collect(RWUtils.singleItemCollector());
builder.setVirtualNetworkIdentifier((long) details.vni);
builder.setTableId((long) details.vrf);
}
}
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