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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.v3po.interfacesstate;
import static com.google.common.base.Preconditions.checkState;
import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
import static java.lang.String.format;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheDumpManager;
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.RWUtils;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.StaticCacheKeyFactory;
import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
import io.fd.vpp.jvpp.core.dto.SwInterfaceTapDetails;
import io.fd.vpp.jvpp.core.dto.SwInterfaceTapDetailsReplyDump;
import io.fd.vpp.jvpp.core.dto.SwInterfaceTapDump;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.VppInterfaceStateAugmentationBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.Tap;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.TapBuilder;
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 TapCustomizer extends FutureJVppCustomizer
implements InitializingReaderCustomizer<Tap, TapBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(TapCustomizer.class);
private NamingContext interfaceContext;
private final InterfaceCacheDumpManager dumpManager;
private final DumpCacheManager<SwInterfaceTapDetailsReplyDump, Void> tapDumpManager;
public TapCustomizer(@Nonnull final FutureJVppCore jvpp,
@Nonnull final NamingContext interfaceContext,
@Nonnull final InterfaceCacheDumpManager dumpManager) {
super(jvpp);
this.interfaceContext = interfaceContext;
this.dumpManager = dumpManager;
this.tapDumpManager = new DumpCacheManager.DumpCacheManagerBuilder<SwInterfaceTapDetailsReplyDump, Void>()
.withCacheKeyFactory(new StaticCacheKeyFactory(TapCustomizer.class.getName() + "_dump",
SwInterfaceTapDetailsReplyDump.class))
.withExecutor((identifier, params) -> {
// Full Tap dump has to be performed here, no filter or anything is here to help so at least we cache it
return getReplyForRead(getFutureJVpp()
.swInterfaceTapDump(new SwInterfaceTapDump()).toCompletableFuture(), identifier);
}).build();
}
@Override
public void merge(@Nonnull Builder<? extends DataObject> parentBuilder, @Nonnull Tap readValue) {
((VppInterfaceStateAugmentationBuilder) parentBuilder).setTap(readValue);
}
@Nonnull
@Override
public TapBuilder getBuilder(@Nonnull InstanceIdentifier<Tap> id) {
return new TapBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Tap> id,
@Nonnull final TapBuilder builder,
@Nonnull final ReadContext ctx) throws ReadFailedException {
final InterfaceKey key = id.firstKeyOf(Interface.class);
final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext());
if (!isInterfaceOfType(dumpManager, id, ctx,
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.Tap.class)) {
return;
}
LOG.debug("Reading attributes for tap interface: {}", key.getName());
final SwInterfaceTapDetailsReplyDump reply = tapDumpManager.getDump(id, ctx.getModificationCache(), NO_PARAMS)
.or(new SwInterfaceTapDetailsReplyDump());
final Optional<SwInterfaceTapDetails> detail = reply.swInterfaceTapDetails.stream()
.filter(d -> d.swIfIndex == index)
.findAny();
checkState(detail.isPresent(), "Tap interface for index %s not found", index);
final SwInterfaceTapDetails swInterfaceTapDetails = detail.get();
LOG.trace("Tap interface: {} attributes returned from VPP: {}", key.getName(), swInterfaceTapDetails);
builder.setTapName(toString(swInterfaceTapDetails.devName));
final SwInterfaceDetails ifcDetails = dumpManager.getInterfaceDetail(id, ctx, key.getName());
if (ifcDetails.tag[0] != 0) { // tag supplied
builder.setTag(toString(ifcDetails.tag));
}
LOG.debug("Tap interface: {}, id: {} attributes read as: {}", key.getName(), index, builder);
}
@Override
public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.Tap> init(
@Nonnull final InstanceIdentifier<Tap> id, @Nonnull final Tap readValue, @Nonnull final ReadContext ctx) {
// The MAC address & tag is set from interface details, those details are retrieved from cache
final InterfaceKey key = id.firstKeyOf(Interface.class);
final SwInterfaceDetails ifcDetails;
try {
ifcDetails = dumpManager.getInterfaceDetail(id, ctx, key.getName());
} catch (ReadFailedException e) {
throw new IllegalStateException(format("Unable to read interface %s", key.getName()), e);
}
return Initialized.create(getCfgId(id),
new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.TapBuilder()
.setMac(new PhysAddress(vppPhysAddrToYang(ifcDetails.l2Address)))
.setTapName(readValue.getTapName())
.setTag(ifcDetails.tag[0] == 0
? null
: toString(ifcDetails.tag))
// tapBuilder.setDeviceInstance();
.build());
}
private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.Tap> getCfgId(
final InstanceIdentifier<Tap> id) {
return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
.augmentation(VppInterfaceAugmentation.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.Tap.class);
}
}
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