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/*
* Copyright (c) 2019 PANTHEON.tech.
*
* 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.ipsec.read;
import com.google.common.base.Optional;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
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.InitializingReaderCustomizer;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
import io.fd.vpp.jvpp.core.dto.IpsecSaDetails;
import io.fd.vpp.jvpp.core.dto.IpsecSaDetailsReplyDump;
import io.fd.vpp.jvpp.core.dto.IpsecSaDump;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.LinkedList;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.ipsec.rev181213.IpsecStateSpdAugmentation;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.IkeEncryptionAlgorithmT;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.IkeIntegrityAlgorithmT;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.IpsecState;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.IpsecStateBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.state.grouping.Sa;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.state.grouping.SaBuilder;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class IpsecStateCustomizer extends FutureJVppCustomizer
implements JvppReplyConsumer, InitializingReaderCustomizer<IpsecState, IpsecStateBuilder>, Ipv4Translator,
Ipv6Translator {
private final DumpCacheManager<IpsecSaDetailsReplyDump, Void> ipsecSaDetailsReplyDumpManager;
public IpsecStateCustomizer(final FutureJVppCore vppApi) {
super(vppApi);
this.ipsecSaDetailsReplyDumpManager =
new DumpCacheManager.DumpCacheManagerBuilder<IpsecSaDetailsReplyDump, Void>()
.withExecutor(new IpsecStateCustomizer.IpsecStateSaDetailsDumpExecutor(vppApi))
.acceptOnly(IpsecSaDetailsReplyDump.class)
.build();
}
@Nonnull
@Override
public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<IpsecState> id,
@Nonnull final IpsecState readValue, @Nonnull final ReadContext ctx) {
return Initialized.create(id, readValue);
}
@Nonnull
@Override
public IpsecStateBuilder getBuilder(@Nonnull final InstanceIdentifier<IpsecState> id) {
return new IpsecStateBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<IpsecState> id,
@Nonnull final IpsecStateBuilder builder,
@Nonnull final ReadContext ctx) throws ReadFailedException {
final Optional<IpsecSaDetailsReplyDump> dumpSa =
ipsecSaDetailsReplyDumpManager.getDump(id, ctx.getModificationCache());
if (dumpSa.isPresent()) {
LinkedList<Sa> listSa = new LinkedList<>();
IpsecSaDetailsReplyDump reply = dumpSa.get();
for (IpsecSaDetails details : reply.ipsecSaDetails) {
SaBuilder saBuilder = new SaBuilder();
saBuilder.setSpi(Integer.toUnsignedLong(details.spi))
.setAntiReplayWindow(Long.valueOf(details.replayWindow).intValue())
.setAuthenticationAlgorithm(IkeIntegrityAlgorithmT.forValue(details.integAlg))
.setEncryptionAlgorithm(IkeEncryptionAlgorithmT.forValue(details.cryptoAlg));
listSa.add(saBuilder.build());
}
builder.setSa(listSa);
}
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final IpsecState readValue) {
IpsecStateBuilder ipsecParentBuilder = (IpsecStateBuilder) parentBuilder;
ipsecParentBuilder.setHoldDown(readValue.getHoldDown())
.setPolicy(readValue.getPolicy())
.setProposal(readValue.getProposal())
.setRedundancy(readValue.getRedundancy())
.setSa(readValue.getSa())
.addAugmentation(IpsecStateSpdAugmentation.class,
readValue.augmentation(IpsecStateSpdAugmentation.class));
}
static final class IpsecStateSaDetailsDumpExecutor
implements EntityDumpExecutor<IpsecSaDetailsReplyDump, Void>, JvppReplyConsumer {
private final FutureJVppCore jvpp;
IpsecStateSaDetailsDumpExecutor(final FutureJVppCore jvpp) {
this.jvpp = jvpp;
}
@Nonnull
@Override
public IpsecSaDetailsReplyDump executeDump(final InstanceIdentifier<?> identifier, final Void params)
throws ReadFailedException {
IpsecSaDump dump = new IpsecSaDump();
dump.saId = -1;
return getReplyForRead(jvpp.ipsecSaDump(dump).toCompletableFuture(), identifier);
}
}
}
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