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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 com.google.common.base.Optional;
import io.fd.honeycomb.lisp.translate.read.dump.executor.params.SubtableDumpParams;
import io.fd.honeycomb.lisp.translate.read.trait.SubtableReader;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManagerBuilder;
import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
import io.fd.vpp.jvpp.core.dto.LispEidTableMapDetails;
import io.fd.vpp.jvpp.core.dto.LispEidTableMapDetailsReplyDump;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
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.rev161214.eid.table.grouping.eid.table.VniTable;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.VniTableBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.vni.table.VrfSubtable;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.vni.table.VrfSubtableBuilder;
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 VrfSubtableCustomizer extends FutureJVppCustomizer
implements ReaderCustomizer<VrfSubtable, VrfSubtableBuilder>, SubtableReader {
private static final Logger LOG = LoggerFactory.getLogger(VrfSubtableCustomizer.class);
private static final String CACHE_KEY = VrfSubtableCustomizer.class.getName();
private final DumpCacheManager<LispEidTableMapDetailsReplyDump, SubtableDumpParams> dumpManager;
public VrfSubtableCustomizer(@Nonnull final FutureJVppCore futureJvpp) {
super(futureJvpp);
dumpManager = new DumpCacheManagerBuilder<LispEidTableMapDetailsReplyDump, SubtableDumpParams>()
.withExecutor(createExecutor(futureJvpp))
.build();
}
@Nonnull
@Override
public VrfSubtableBuilder getBuilder(@Nonnull final InstanceIdentifier<VrfSubtable> id) {
return new VrfSubtableBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<VrfSubtable> id,
@Nonnull final VrfSubtableBuilder builder, @Nonnull final ReadContext ctx)
throws ReadFailedException {
LOG.debug("Read attributes for {}", id);
final int vni = checkNotNull(id.firstKeyOf(VniTable.class), "Cannot find parent VNI Table")
.getVirtualNetworkIdentifier().intValue();
final Optional<LispEidTableMapDetailsReplyDump> reply =
readSubtable(dumpManager, CACHE_KEY, ctx.getModificationCache(), id, L3_PARAMS);
if (!reply.isPresent() || reply.get().lispEidTableMapDetails.isEmpty()) {
return;
}
// Single item collector cant be used in this case,because vrf-subtable is container
// so read is invoked every time parent is defined
final List<LispEidTableMapDetails> details =
reply.get().lispEidTableMapDetails.stream().filter(a -> a.vni == vni)
.collect(Collectors.toList());
if (details.size() == 1) {
final LispEidTableMapDetails detail = details.get(0);
builder.setTableId(Integer.valueOf(detail.dpTable).longValue());
LOG.debug("Attributes for {} successfully loaded", id);
}
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
@Nonnull final VrfSubtable readValue) {
((VniTableBuilder) parentBuilder).setVrfSubtable(readValue);
}
}
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