diff options
Diffstat (limited to 'vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/VppNodeWriter.java')
-rw-r--r-- | vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/VppNodeWriter.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/VppNodeWriter.java b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/VppNodeWriter.java new file mode 100644 index 000000000..c513e8cd7 --- /dev/null +++ b/vpp-classifier/impl/src/main/java/io/fd/hc2vpp/vpp/classifier/write/VppNodeWriter.java @@ -0,0 +1,80 @@ +/* + * 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.rev161214.VppNode; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.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; + } +} |