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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.honeycomb.nat.read.ifc;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.vpp.util.NamingContext;
import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetails;
import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump;
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.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
abstract class AbstractInterfaceNatCustomizer<C extends DataObject, B extends Builder<C>>
implements InitializingReaderCustomizer<C, B> {
private final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr;
private final NamingContext ifcContext;
AbstractInterfaceNatCustomizer(@Nonnull final DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr,
@Nonnull final NamingContext ifcContext) {
this.dumpMgr = dumpMgr;
this.ifcContext = ifcContext;
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id,
@Nonnull final B builder,
@Nonnull final ReadContext ctx) throws ReadFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
getLog().debug("Reading NAT features on interface: {}", ifcName);
final int index = ifcContext.getIndex(ifcName, ctx.getMappingContext());
// Cache dump for each interface under the same key since this is all ifc dump
final Optional<SnatInterfaceDetailsReplyDump> dump =
dumpMgr.getDump(id, ctx.getModificationCache(), null);
// Find entries for current ifc and if is marked as inside set the builder to return presence container
dump.or(new SnatInterfaceDetailsReplyDump()).snatInterfaceDetails.stream()
.filter(snatIfcDetail -> snatIfcDetail.swIfIndex == index)
.filter(this::isExpectedNatType)
.findFirst()
.ifPresent(snatIfcDetail -> setBuilderPresence(builder));
// Not setting data, just marking the builder to propagate empty container to indicate presence
}
protected abstract Logger getLog();
abstract void setBuilderPresence(@Nonnull final B builder);
abstract boolean isExpectedNatType(final SnatInterfaceDetails snatInterfaceDetails);
}
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