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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.read;
import static com.google.common.base.Preconditions.checkState;
import static java.util.Objects.requireNonNull;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.v3po.read.cache.InterfaceCacheDumpManager;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.jvpp.core.dto.BridgeDomainDetails;
import io.fd.jvpp.core.dto.BridgeDomainDetailsReplyDump;
import io.fd.jvpp.core.dto.BridgeDomainDump;
import io.fd.jvpp.core.dto.SwInterfaceDetails;
import io.fd.jvpp.core.future.FutureJVppCore;
import io.fd.jvpp.core.types.BridgeDomainSwIf;
import java.util.Arrays;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.l2.config.attributes.Interconnection;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.l2.config.attributes.interconnection.BridgeBasedBuilder;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Utility class providing Interconnection read support.
*/
final class InterconnectionReadUtils implements InterfaceDataTranslator {
private static final Logger LOG = LoggerFactory.getLogger(InterconnectionReadUtils.class);
private final NamingContext interfaceContext;
private final NamingContext bridgeDomainContext;
private final InterfaceCacheDumpManager dumpManager;
private final DumpCacheManager<BridgeDomainDetailsReplyDump,Void> bdDumpManager;
InterconnectionReadUtils(@Nonnull final FutureJVppCore futureJVppCore,
@Nonnull final NamingContext interfaceContext,
@Nonnull final NamingContext bridgeDomainContext,
@Nonnull final InterfaceCacheDumpManager dumpManager) {
requireNonNull(futureJVppCore, "futureJVppCore should not be null");
this.interfaceContext = requireNonNull(interfaceContext, "interfaceContext should not be null");
this.bridgeDomainContext = requireNonNull(bridgeDomainContext, "bridgeDomainContext should not be null");
this.dumpManager = requireNonNull(dumpManager, "dumpManager should not be null");
this.bdDumpManager = new DumpCacheManager.DumpCacheManagerBuilder<BridgeDomainDetailsReplyDump, Void>()
.acceptOnly(BridgeDomainDetailsReplyDump.class)
.withExecutor((id, params) -> {
final BridgeDomainDump request = new BridgeDomainDump();
request.bdId = -1;
final CompletableFuture<BridgeDomainDetailsReplyDump> bdCompletableFuture =
futureJVppCore.bridgeDomainDump(request).toCompletableFuture();
return getReplyForRead(bdCompletableFuture, id);
})
.build();
}
@Nullable
Interconnection readInterconnection(@Nonnull final InstanceIdentifier<?> id, @Nonnull final String ifaceName,
@Nonnull final ReadContext ctx)
throws ReadFailedException {
final int ifaceId = interfaceContext.getIndex(ifaceName, ctx.getMappingContext());
final SwInterfaceDetails iface = dumpManager.getInterfaceDetail(id, ctx, ifaceName);
LOG.debug("Interface details for interface: {}, details: {}", ifaceName, iface);
final BridgeDomainDetailsReplyDump dumpReply = bdDumpManager.getDump(id, ctx.getModificationCache())
.orElse(new BridgeDomainDetailsReplyDump());
for (final BridgeDomainDetails bd : dumpReply.bridgeDomainDetails) {
final Optional<BridgeDomainSwIf> bdIfAssignment = getBridgeDomainSwIf(ifaceId, bd);
if (bdIfAssignment.isPresent()) {
final BridgeDomainSwIf bridgeDomainSwIf = bdIfAssignment.get();
final BridgeBasedBuilder bbBuilder = new BridgeBasedBuilder();
bbBuilder.setBridgeDomain(bridgeDomainContext.getName(bd.bdId, ctx.getMappingContext()));
// Set BVI if the bridgeDomainDetails.bviSwIfIndex == current sw if index
final Optional<BridgeDomainDetails> bridgeDomainForInterface =
getBridgeDomainForInterface(dumpReply, bd.bdId);
// Since we already found an interface assigned to a bridge domain, the details for BD must be present
checkState(bridgeDomainForInterface.isPresent());
if (bridgeDomainForInterface.get().bviSwIfIndex == ifaceId) {
bbBuilder.setBridgedVirtualInterface(true);
} else {
bbBuilder.setBridgedVirtualInterface(false);
}
if (bridgeDomainSwIf.shg != 0) {
bbBuilder.setSplitHorizonGroup((short) bridgeDomainSwIf.shg);
}
return bbBuilder.build();
}
}
// TODO HONEYCOMB-190 is there a way to check if interconnection is XconnectBased?
return null;
}
private Optional<BridgeDomainSwIf> getBridgeDomainSwIf(final int ifaceId, @Nonnull final BridgeDomainDetails bd) {
if (null == bd.swIfDetails) {
return Optional.empty();
}
// interface can be added to only one BD only
return Arrays.stream(bd.swIfDetails).filter(el -> el.swIfIndex == ifaceId).findFirst();
}
private Optional<BridgeDomainDetails> getBridgeDomainForInterface(final BridgeDomainDetailsReplyDump reply,
int bdId) {
return reply.bridgeDomainDetails.stream().filter(a -> a.bdId == bdId).findFirst();
}
}
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