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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.vppioam.impl.oper;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.vppioam.impl.util.FutureJVppIoampotCustomizer;
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.jvpp.ioampot.dto.PotProfileShowConfigDetails;
import io.fd.jvpp.ioampot.dto.PotProfileShowConfigDetailsReplyDump;
import io.fd.jvpp.ioampot.dto.PotProfileShowConfigDump;
import io.fd.jvpp.ioampot.future.FutureJVppIoampot;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev170112.ProfileIndexRange;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev170112.pot.profile.PotProfileList;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev170112.pot.profile.PotProfileListBuilder;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev170112.pot.profile.PotProfileListKey;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev170112.pot.profiles.PotProfileSetBuilder;
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 PotProfileReaderCustomizer extends FutureJVppIoampotCustomizer implements JvppReplyConsumer,
InitializingListReaderCustomizer<PotProfileList,PotProfileListKey,PotProfileListBuilder> {
private static final Logger LOG = LoggerFactory.getLogger(PotProfileReaderCustomizer.class);
public PotProfileReaderCustomizer(FutureJVppIoampot futureJVppIoamPot) {
super(futureJVppIoamPot);
}
@Nonnull
@Override
public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier,
@Nonnull final PotProfileList potProfileList,
@Nonnull final ReadContext readContext) {
return Initialized.create(instanceIdentifier,new PotProfileListBuilder(potProfileList).build());
}
@Nonnull
@Override
public List<PotProfileListKey> getAllIds(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier,
@Nonnull final ReadContext readContext) throws ReadFailedException {
//vpp will always return 2 entries with id's 0 and 1
//will contain 0 values if not previously configured
List<PotProfileListKey> allIds = new ArrayList<>(2);
allIds.add(new PotProfileListKey(new ProfileIndexRange(0)));
allIds.add(new PotProfileListKey(new ProfileIndexRange(1)));
return allIds;
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<PotProfileList> list) {
((PotProfileSetBuilder)builder).setPotProfileList(list);
}
@Nonnull
@Override
public PotProfileListBuilder getBuilder(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier) {
return new PotProfileListBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier,
@Nonnull final PotProfileListBuilder builder,
@Nonnull final ReadContext readContext) throws ReadFailedException {
final PotProfileShowConfigDump request = new PotProfileShowConfigDump();
PotProfileListKey key = instanceIdentifier.firstKeyOf(PotProfileList.class);
request.id = key.getIndex().getValue().byteValue();
final PotProfileShowConfigDetailsReplyDump reply = getReplyForRead(getFutureJVppIoampot()
.potProfileShowConfigDump(request)
.toCompletableFuture(), instanceIdentifier);
if (reply == null || reply.potProfileShowConfigDetails == null || reply.potProfileShowConfigDetails.isEmpty()) {
LOG.debug("Vpp returned no pot profiles");
return;
}
final PotProfileShowConfigDetails details = reply.potProfileShowConfigDetails.get(0);
builder.setValidator(details.validator == 1);
builder.setValidatorKey(BigInteger.valueOf(details.secretKey));
builder.setSecretShare(BigInteger.valueOf(details.secretShare));
builder.setPrimeNumber(BigInteger.valueOf(details.prime));
builder.setPublicPolynomial(BigInteger.valueOf(details.polynomialPublic));
builder.setIndex(new ProfileIndexRange((int)details.id));
builder.setLpc(BigInteger.valueOf(details.lpc));
builder.setNumberOfBits(getMaxBitsfromBitmask(BigInteger.valueOf(details.bitMask)));
LOG.info("Item {} successfully read: {}",instanceIdentifier, builder.build());
}
private static short getMaxBitsfromBitmask (BigInteger bitmask) {
short numOfBits = 0;
while ((bitmask.and(BigInteger.ONE)).equals(BigInteger.ONE)) {
bitmask = bitmask.shiftRight(1);
numOfBits++;
}
return numOfBits;
}
}
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