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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.translate.v3po.interfaces.acl.ingress;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.v3po.interfaces.acl.common.AbstractIetfAclWriter;
import io.fd.honeycomb.translate.v3po.interfaces.acl.common.AclTableContextManager;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.dto.InputAclSetInterface;
import io.fd.vpp.jvpp.core.dto.InputAclSetInterfaceReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.List;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.acl.access.list.entries.Ace;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.context.rev161214.mapping.entry.context.attributes.acl.mapping.entry.context.mapping.table.MappingEntryBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.InterfaceMode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.AccessLists;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.ietf.acl.base.attributes.access.lists.Acl;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public final class IngressIetfAclWriter extends AbstractIetfAclWriter {
private final AclTableContextManager aclCtx;
public IngressIetfAclWriter(@Nonnull final FutureJVppCore futureJVppCore, @Nonnull AclTableContextManager aclCtx) {
super(futureJVppCore);
this.aclCtx = checkNotNull(aclCtx, "aclCtx should not be null");
}
@Override
public void deleteAcl(@Nonnull final InstanceIdentifier<?> id, final int swIfIndex,
@Nonnull final MappingContext mappingContext)
throws WriteFailedException {
Optional<MappingEntry> optional = aclCtx.getEntry(swIfIndex, mappingContext);
checkState(optional.isPresent(), "Removing ACL id=%s, but acl mapping entry is not present", id);
final MappingEntry entry = optional.get();
unassignClassifyTables(id, entry);
removeClassifyTables(id, entry);
aclCtx.removeEntry(swIfIndex, mappingContext);
}
private void unassignClassifyTables(@Nonnull final InstanceIdentifier<?> id,
@Nonnull final MappingEntry entry)
throws WriteFailedException {
final InputAclSetInterface request = new InputAclSetInterface();
request.isAdd = 0;
request.swIfIndex = entry.getIndex();
request.l2TableIndex = entry.getL2TableId();
request.ip4TableIndex = entry.getIp4TableId();
request.ip6TableIndex = entry.getIp6TableId();
final CompletionStage<InputAclSetInterfaceReply> inputAclSetInterfaceReplyCompletionStage =
jvpp.inputAclSetInterface(request);
getReplyForDelete(inputAclSetInterfaceReplyCompletionStage.toCompletableFuture(), id);
}
@Override
public void write(@Nonnull final InstanceIdentifier<?> id, int swIfIndex, @Nonnull final List<Acl> acls,
@Nonnull final AccessLists.DefaultAction defaultAction, @Nullable final InterfaceMode mode,
@Nonnull final WriteContext writeContext, @Nonnegative final int numberOfTags,
@Nonnull final MappingContext mappingContext)
throws WriteFailedException {
checkArgument(numberOfTags >= 0 && numberOfTags <= 2, "Number of vlan tags %s is not in [0,2] range");
final InputAclSetInterface request = new InputAclSetInterface();
request.isAdd = 1;
request.swIfIndex = swIfIndex;
request.l2TableIndex = NOT_DEFINED;
request.ip4TableIndex = NOT_DEFINED;
request.ip6TableIndex = NOT_DEFINED;
if (InterfaceMode.L2.equals(mode)) {
final List<Ace> aces = getACEs(acls, writeContext, ace -> true);
request.l2TableIndex = writeAces(id, aces, defaultAction, mode, numberOfTags);
} else {
final List<Ace> ip4Aces = getACEs(acls, writeContext, (AbstractIetfAclWriter::appliesToIp4Path));
request.ip4TableIndex = writeAces(id, ip4Aces, defaultAction, mode, numberOfTags);
final List<Ace> ip6Aces = getACEs(acls, writeContext, (AbstractIetfAclWriter::appliesToIp6Path));
request.ip6TableIndex = writeAces(id, ip6Aces, defaultAction, mode, numberOfTags);
}
final MappingEntry entry = new MappingEntryBuilder().setIndex(swIfIndex)
.setIp4TableId(request.ip4TableIndex)
.setIp6TableId(request.ip6TableIndex)
.setL2TableId(request.l2TableIndex)
.build();
aclCtx.addEntry(entry, mappingContext);
try {
getReplyForWrite(jvpp.inputAclSetInterface(request).toCompletableFuture(), id);
} catch (WriteFailedException e) {
removeClassifyTables(id, entry);
throw e;
}
}
}
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