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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.v3po.translate.v3po.interfacesstate;
import com.google.common.base.Preconditions;
import io.fd.honeycomb.v3po.translate.Context;
import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
import io.fd.honeycomb.v3po.translate.spi.read.ChildReaderCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
import io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
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.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceStateAugmentationBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces.state._interface.L2;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces.state._interface.L2Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces.state._interface.l2.interconnection.BridgeBasedBuilder;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.dto.BridgeDomainDetailsReplyDump;
import org.openvpp.jvpp.dto.BridgeDomainDump;
import org.openvpp.jvpp.dto.BridgeDomainSwIfDetails;
import org.openvpp.jvpp.dto.SwInterfaceDetails;
import org.openvpp.jvpp.future.FutureJVpp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Customizer for reading ietf-interfaces:interfaces-state/interface/iface_name/v3po:l2
*/
public class L2Customizer extends FutureJVppCustomizer
implements ChildReaderCustomizer<L2, L2Builder> {
private static final Logger LOG = LoggerFactory.getLogger(L2Customizer.class);
private final NamingContext interfaceContext;
private final NamingContext bridgeDomainContext;
public L2Customizer(@Nonnull final FutureJVpp futureJvpp,
@Nonnull final NamingContext interfaceContext,
@Nonnull final NamingContext bridgeDomainContext) {
super(futureJvpp);
this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
this.bridgeDomainContext = Preconditions.checkNotNull(bridgeDomainContext, "bridgeDomainContext should not be null");
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final L2 readValue) {
((VppInterfaceStateAugmentationBuilder) parentBuilder).setL2(readValue);
}
@Nonnull
@Override
public L2Builder getBuilder(@Nonnull final InstanceIdentifier<L2> id) {
return new L2Builder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<L2> id, @Nonnull final L2Builder builder,
@Nonnull final Context ctx) throws ReadFailedException {
LOG.debug("Reading attributes for L2: {}", id);
final InterfaceKey key = id.firstKeyOf(Interface.class);
final int ifaceId = interfaceContext.getIndex(key.getName());
final SwInterfaceDetails iface = InterfaceUtils.getVppInterfaceDetails(getFutureJVpp(), key,
ifaceId, ctx);
LOG.debug("Interface details for interface: {}, details: {}", key.getName(), iface);
final Optional<BridgeDomainSwIfDetails> bdForInterface = getBridgeDomainForInterface(ifaceId);
if (bdForInterface.isPresent()) {
final BridgeDomainSwIfDetails bdSwIfDetails = bdForInterface.get();
final BridgeBasedBuilder bbBuilder = new BridgeBasedBuilder();
bbBuilder.setBridgeDomain(bridgeDomainContext.getName(bdSwIfDetails.bdId));
// bbBuilder.setBridgedVirtualInterface // TODO where to find that value?
if (bdSwIfDetails.shg != 0) {
bbBuilder.setSplitHorizonGroup((short)bdSwIfDetails.shg);
}
builder.setInterconnection(bbBuilder.build());
}
// TODO is there a way to check if interconnection is XconnectBased?
}
private Optional<BridgeDomainSwIfDetails> getBridgeDomainForInterface(final int ifaceId) {
// We need to perform full bd dump, because there is no way
// to ask VPP for BD details given interface id/name (TODO add it to vpp.api?)
// TODO cache dump result
final BridgeDomainDump request = new BridgeDomainDump();
request.bdId = -1;
final CompletableFuture<BridgeDomainDetailsReplyDump> bdCompletableFuture =
getFutureJVpp().bridgeDomainSwIfDump(request).toCompletableFuture();
final BridgeDomainDetailsReplyDump reply = V3poUtils.getReply(bdCompletableFuture);
if (null == reply || null == reply.bridgeDomainSwIfDetails || reply.bridgeDomainSwIfDetails.isEmpty()) {
return Optional.empty();
}
// interface can be added to only one BD only
return reply.bridgeDomainSwIfDetails.stream().filter(a -> a.swIfIndex == ifaceId).findFirst();
}
}
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