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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.span;
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.InterfaceCustomizer;
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.vpp.jvpp.core.dto.SwInterfaceSpanDetailsReplyDump;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDump;
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.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Span;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.SpanBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfaces;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfacesBuilder;
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 final class MirroredInterfacesCustomizer
extends FutureJVppCustomizer
implements InitializingReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder>, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(MirroredInterfacesCustomizer.class);
private final NamingContext ifcContext;
public MirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore, final NamingContext ifcContext) {
super(futureJVppCore);
this.ifcContext = ifcContext;
}
@Nonnull
@Override
public MirroredInterfacesBuilder getBuilder(@Nonnull final InstanceIdentifier<MirroredInterfaces> id) {
return new MirroredInterfacesBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
@Nonnull final MirroredInterfacesBuilder builder, @Nonnull final ReadContext ctx)
throws ReadFailedException {
LOG.trace("Reading mirrored interfaces under: {}", id);
final int dstId =
ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), ctx.getMappingContext());
final SwInterfaceSpanDetailsReplyDump replyForRead;
if (ctx.getModificationCache().containsKey(getCacheKey())) {
replyForRead = (SwInterfaceSpanDetailsReplyDump) ctx.getModificationCache().get(getCacheKey());
} else {
replyForRead = getReplyForRead(getFutureJVpp().swInterfaceSpanDump(
new SwInterfaceSpanDump()).toCompletableFuture(), id);
ctx.getModificationCache().put(getCacheKey(), replyForRead);
}
final List<String> mirroredInterfaces =
replyForRead.swInterfaceSpanDetails.stream()
.filter(detail -> detail.swIfIndexTo == dstId)
.map(detail -> ifcContext.getName(detail.swIfIndexFrom, ctx.getMappingContext()))
.collect(Collectors.toList());
LOG.debug("Mirrored interfaces for: {} read as: {}", id, mirroredInterfaces);
if (!mirroredInterfaces.isEmpty()) {
builder.setMirroredInterface(mirroredInterfaces);
}
}
private String getCacheKey() {
return getClass().getName();
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
@Nonnull final MirroredInterfaces readValue) {
((SpanBuilder) parentBuilder).setMirroredInterfaces(readValue);
}
@Nonnull
@Override
public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
@Nonnull final MirroredInterfaces readValue,
@Nonnull final ReadContext ctx) {
final InstanceIdentifier<MirroredInterfaces> cfgId =
InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
.augmentation(VppInterfaceAugmentation.class)
.child(Span.class)
.child(MirroredInterfaces.class);
return Initialized.create(cfgId, readValue);
}
}
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