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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.v3po.interfacesstate;
import static com.google.common.base.Preconditions.checkNotNull;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceStatisticsManager;
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.jvpp.stats.dto.InterfaceStatistics;
import io.fd.jvpp.stats.dto.InterfaceStatisticsDetails;
import io.fd.jvpp.stats.dto.InterfaceStatisticsDetailsReplyDump;
import io.fd.jvpp.stats.dto.InterfaceStatisticsDump;
import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Optional;
import java.util.concurrent.Future;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.state.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.state.InterfaceBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.state.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.state._interface.Statistics;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.state._interface.StatisticsBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Counter32;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Counter64;
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 InterfaceStatisticsCustomizer implements ReaderCustomizer<Statistics, StatisticsBuilder> {
private static final Logger LOG = LoggerFactory.getLogger(InterfaceStatisticsCustomizer.class);
private final NamingContext ifcNamingCtx;
private final FutureJVppStatsFacade jvppStats;
private final InterfaceStatisticsManager statisticsManager;
public InterfaceStatisticsCustomizer(final NamingContext ifcNamingCtx,
final FutureJVppStatsFacade jvppStats,
final InterfaceStatisticsManager statisticsManager) {
this.ifcNamingCtx = checkNotNull(ifcNamingCtx, "Naming context should not be null");
this.jvppStats = checkNotNull(jvppStats, "JVpp Stats facade should not be null");
this.statisticsManager = checkNotNull(statisticsManager, "Statistics Manager should not be null");
}
@Nonnull
@Override
public StatisticsBuilder getBuilder(@Nonnull final InstanceIdentifier<Statistics> instanceIdentifier) {
return new StatisticsBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Statistics> instanceIdentifier,
@Nonnull final StatisticsBuilder statisticsBuilder,
@Nonnull final ReadContext readContext)
throws ReadFailedException {
if (!statisticsManager.isStatisticsEnabled()) return;
final InterfaceKey key = instanceIdentifier.firstKeyOf(Interface.class);
final int index = ifcNamingCtx.getIndex(key.getName(), readContext.getMappingContext());
InterfaceStatisticsDetails stats = getStatisticsDump(instanceIdentifier);
if (stats != null) {
Optional<InterfaceStatistics> statsDetail =
Arrays.asList(stats.interfaceStatistics).stream().filter(elt -> elt.swIfIndex == index).findFirst();
if (statsDetail.isPresent()) {
InterfaceStatistics detail = statsDetail.get();
statisticsBuilder.setOutOctets(new Counter64(BigInteger.valueOf(detail.outBytes)))
.setOutUnicastPkts(new Counter64(BigInteger.valueOf(detail.outUnicastPkts)))
.setOutMulticastPkts(new Counter64(BigInteger.valueOf(detail.outMulticastPkts)))
.setOutBroadcastPkts(new Counter64(BigInteger.valueOf(detail.outBroadcastPkts)))
.setOutErrors(new Counter32(new Long(detail.outErrors)))
.setInOctets(new Counter64(BigInteger.valueOf(detail.inBytes)))
.setInUnicastPkts(new Counter64(BigInteger.valueOf(detail.inUnicastPkts)))
.setInMulticastPkts(new Counter64(BigInteger.valueOf(detail.inMulticastPkts)))
.setInBroadcastPkts(new Counter64(BigInteger.valueOf(detail.inBroadcastPkts)))
.setInErrors(new Counter32(new Long(detail.inErrors)));
}
}
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final Statistics statistics) {
((InterfaceBuilder) builder).setStatistics(statistics);
}
private InterfaceStatisticsDetails getStatisticsDump(InstanceIdentifier<Statistics> id) throws ReadFailedException {
LOG.debug("Sending InterfaceStatisticsDump request...");
final InterfaceStatisticsDump request = new InterfaceStatisticsDump();
final Future<InterfaceStatisticsDetailsReplyDump> replyFuture =
jvppStats.interfaceStatisticsDump(request).toCompletableFuture();
final InterfaceStatisticsDetailsReplyDump reply;
try {
reply = replyFuture.get();
} catch (Exception e) {
throw new ReadFailedException(id, e);
}
if (reply == null || reply.interfaceStatisticsDetails == null) {
throw new ReadFailedException(id,
new IllegalStateException("Received null response for empty dump: " + reply));
}
return reply.interfaceStatisticsDetails;
}
}
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