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/*
* Copyright (c) 2017 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.vpp.classifier.write;
import static com.google.common.base.Preconditions.checkArgument;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.vpp.classifier.context.VppClassifierContextManager;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.VppBaseCallException;
import io.fd.vpp.jvpp.core.dto.GetNextIndex;
import io.fd.vpp.jvpp.core.dto.GetNextIndexReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev170327.VppNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev170327.vpp.classifier.ClassifyTable;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
abstract class VppNodeWriter extends FutureJVppCustomizer implements JvppReplyConsumer {
protected VppNodeWriter(@Nonnull final FutureJVppCore futureJvpp) {
super(futureJvpp);
}
protected int getNodeIndex(@Nonnull final VppNode node, @Nonnull final ClassifyTable classifyTable,
@Nonnull final VppClassifierContextManager vppClassifierContextManager,
@Nonnull final MappingContext ctx, @Nonnull final InstanceIdentifier<?> id)
throws VppBaseCallException, WriteFailedException {
if (node.getPacketHandlingAction() != null) {
return node.getPacketHandlingAction().getIntValue();
} else {
return nodeNameToIndex(classifyTable, node.getVppNodeName().getValue(), vppClassifierContextManager, ctx,
id);
}
}
private int nodeNameToIndex(@Nonnull final ClassifyTable classifyTable, @Nonnull final String nextNodeName,
@Nonnull final VppClassifierContextManager vppClassifierContextManager,
@Nonnull final MappingContext ctx, @Nonnull final InstanceIdentifier<?> id)
throws WriteFailedException {
checkArgument(classifyTable != null && classifyTable.getClassifierNode() != null,
"to use relative node names, table classifier node needs to be provided");
final GetNextIndex request = new GetNextIndex();
request.nodeName = classifyTable.getClassifierNode().getValue().getBytes();
request.nextName = nextNodeName.getBytes();
final CompletionStage<GetNextIndexReply> getNextIndexCompletionStage =
getFutureJVpp().getNextIndex(request);
final GetNextIndexReply reply;
try {
reply = getReplyForRead(getNextIndexCompletionStage.toCompletableFuture(), id);
// vpp does not provide relative node index to node name conversion (https://jira.fd.io/browse/VPP-219)
// as a workaround we need to add mapping to vpp-classfier-context
vppClassifierContextManager.addNodeName(classifyTable.getName(), reply.nextIndex, nextNodeName, ctx);
} catch (ReadFailedException e) {
throw new WriteFailedException(id, String.format("Failed to get node index for %s relative to %s",
nextNodeName, classifyTable.getClassifierNode()), e);
}
return reply.nextIndex;
}
}
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