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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.lisp.translate.write;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType;
import io.fd.honeycomb.lisp.context.util.EidMappingContext;
import io.fd.honeycomb.lisp.translate.util.EidTranslator;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.VppBaseCallException;
import io.fd.vpp.jvpp.core.dto.LispAddDelAdjacency;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.concurrent.TimeoutException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.adjacencies.grouping.adjacencies.Adjacency;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.adjacencies.grouping.adjacencies.AdjacencyKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.adjacencies.grouping.adjacencies.adjacency.LocalEid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.adjacencies.grouping.adjacencies.adjacency.RemoteEid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.VniTable;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class AdjacencyCustomizer extends FutureJVppCustomizer
implements ListWriterCustomizer<Adjacency, AdjacencyKey>, ByteDataTranslator, EidTranslator,
JvppReplyConsumer {
private final EidMappingContext localEidsMappingContext;
private final EidMappingContext remoteEidsMappingContext;
public AdjacencyCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull EidMappingContext localEidsMappingContext,
@Nonnull EidMappingContext remoteEidsMappingContext) {
super(futureJvpp);
this.localEidsMappingContext =
checkNotNull(localEidsMappingContext, "Eid context for local eid's cannot be null");
this.remoteEidsMappingContext =
checkNotNull(remoteEidsMappingContext, "Eid context for remote eid's cannot be null");
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Adjacency> id,
@Nonnull final Adjacency dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
try {
addDelAdjacency(true, id, dataAfter, writeContext);
} catch (TimeoutException | VppBaseCallException e) {
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Adjacency> id,
@Nonnull final Adjacency dataBefore, @Nonnull final Adjacency dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
throw new UnsupportedOperationException("Operation not supported");
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Adjacency> id,
@Nonnull final Adjacency dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
try {
addDelAdjacency(false, id, dataBefore, writeContext);
} catch (TimeoutException | VppBaseCallException e) {
throw new WriteFailedException.CreateFailedException(id, dataBefore, e);
}
}
private void addDelAdjacency(boolean add, final InstanceIdentifier<Adjacency> id, final Adjacency data,
final WriteContext writeContext)
throws TimeoutException, VppBaseCallException {
final int vni = checkNotNull(id.firstKeyOf(VniTable.class), "Unable to find parent VNI for {}", id)
.getVirtualNetworkIdentifier().intValue();
// both local and remote eids must be referenced to have respective mapping,
// if there is an attempt to add adjacency.
// In our case its enough to check if local/remote mapping exist for respective eid,
// because such mappings are created while creating mappings
final LocalEid localEid = add
? verifiedLocalEid(data.getLocalEid(), writeContext)
: data.getLocalEid();
final RemoteEid remoteEid = add
? verifiedRemoteEid(data.getRemoteEid(), writeContext)
: data.getRemoteEid();
final EidType localEidType = getEidType(localEid);
final EidType remoteEidType = getEidType(data.getRemoteEid());
checkArgument(localEidType ==
remoteEidType, "Local[%s] and Remote[%s] eid types must be the same", localEidType, remoteEidType);
LispAddDelAdjacency request = new LispAddDelAdjacency();
request.isAdd = booleanToByte(add);
request.leid = getEidAsByteArray(localEid);
request.leidLen = getPrefixLength(localEid);
request.reid = getEidAsByteArray(remoteEid);
request.reidLen = getPrefixLength(remoteEid);
request.eidType = (byte) localEidType.getValue();
request.vni = vni;
getReply(getFutureJVpp().lispAddDelAdjacency(request).toCompletableFuture());
}
private LocalEid verifiedLocalEid(final LocalEid localEid, final WriteContext writeContext) {
if (localEidsMappingContext.containsId(toLocalEid(localEid), writeContext.getMappingContext())) {
return localEid;
}
throw new IllegalStateException(
"Referenced Local Eid[" + localEid +
"] doesn't have local mapping defined, therefore it can't be used in adjacency");
}
private RemoteEid verifiedRemoteEid(final RemoteEid remoteEid, final WriteContext writeContext) {
if (remoteEidsMappingContext.containsId(toRemoteEid(remoteEid), writeContext.getMappingContext())) {
return remoteEid;
}
throw new IllegalStateException(
"Referenced Remote Eid[" + remoteEid +
"] doesn't have remote mapping defined, therefore it can't be used in adjacency");
}
private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.dp.subtable.grouping.remote.mappings.remote.mapping.Eid toRemoteEid(
final RemoteEid remoteEid) {
return newRemoteEidBuilder(remoteEid.getAddressType(), remoteEid.getVirtualNetworkId().getValue().intValue())
.setAddress(remoteEid.getAddress()).build();
}
private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.dp.subtable.grouping.local.mappings.local.mapping.Eid toLocalEid(
LocalEid localEid) {
return newLocalEidBuilder(localEid.getAddressType(), localEid.getVirtualNetworkId().getValue().intValue())
.setAddress(localEid.getAddress()).build();
}
}
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