--- /dev/null
+/*
+ * 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.interfacesstate;
+
+import static com.google.common.base.Preconditions.checkState;
+
+import com.google.common.base.Preconditions;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
+import io.fd.honeycomb.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.translate.v3po.util.SubInterfaceUtils;
+import io.fd.honeycomb.translate.v3po.util.TagRewriteOperation;
+import java.util.ArrayList;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.CVlan;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.Dot1qTagVlanType;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.Dot1qVlanId;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.SVlan;
+import org.opendaylight.yang.gen.v1.urn.ieee.params.xml.ns.yang.dot1q.types.rev150626.dot1q.tag.Dot1qTagBuilder;
+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.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527._802dot1ad;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527._802dot1q;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.interfaces.state._interface.sub.interfaces.SubInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.sub._interface.base.attributes.L2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.sub._interface.base.attributes.l2.Rewrite;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.sub._interface.base.attributes.l2.RewriteBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.tag.rewrite.PushTags;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.tag.rewrite.PushTagsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev150527.tag.rewrite.PushTagsKey;
+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.SwInterfaceDetails;
+import org.openvpp.jvpp.future.FutureJVpp;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Customizer for reading vlan tag-rewrite configuration state form the VPP.
+ */
+public class RewriteCustomizer extends FutureJVppCustomizer
+ implements ReaderCustomizer<Rewrite, RewriteBuilder> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(RewriteCustomizer.class);
+ private final NamingContext interfaceContext;
+
+ public RewriteCustomizer(@Nonnull final FutureJVpp futureJvpp,
+ @Nonnull final NamingContext interfaceContext) {
+ super(futureJvpp);
+ this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
+ }
+
+ @Override
+ public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
+ @Nonnull final Rewrite readValue) {
+ ((L2Builder) parentBuilder).setRewrite(readValue);
+ }
+
+ @Nonnull
+ @Override
+ public RewriteBuilder getBuilder(@Nonnull final InstanceIdentifier<Rewrite> id) {
+ return new RewriteBuilder();
+ }
+
+ @Override
+ public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Rewrite> id,
+ @Nonnull final RewriteBuilder builder, @Nonnull final ReadContext ctx)
+ throws ReadFailedException {
+ final String subInterfaceName = getSubInterfaceName(id);
+ LOG.debug("Reading attributes for sub interface: {}", subInterfaceName);
+
+ final SwInterfaceDetails iface = InterfaceUtils.getVppInterfaceDetails(getFutureJVpp(), id, subInterfaceName,
+ interfaceContext.getIndex(subInterfaceName, ctx.getMappingContext()), ctx.getModificationCache());
+ LOG.debug("VPP sub-interface details: {}", ReflectionToStringBuilder.toString(iface));
+
+ checkState(iface.subId != 0, "Interface returned by the VPP is not a sub-interface");
+
+ final TagRewriteOperation operation = TagRewriteOperation.get(iface.vtrOp);
+ if (TagRewriteOperation.disabled == operation) {
+ LOG.debug("Tag rewrite operation is disabled for ");
+ return;
+ }
+
+ builder.setVlanType(iface.vtrPushDot1Q == 1
+ ? _802dot1q.class
+ : _802dot1ad.class);
+
+ setPushTags(builder, iface);
+ setPopTags(builder, operation);
+ }
+
+ private static String getSubInterfaceName(final InstanceIdentifier<Rewrite> id) {
+ return SubInterfaceUtils.getSubInterfaceName(id.firstKeyOf(Interface.class).getName(),
+ Math.toIntExact(id.firstKeyOf(SubInterface.class).getIdentifier()));
+ }
+
+ private void setPopTags(final RewriteBuilder builder, final TagRewriteOperation operation) {
+ final byte numberOfTagsToPop = operation.getPopTags();
+ if (numberOfTagsToPop != 0) {
+ builder.setPopTags(Short.valueOf(numberOfTagsToPop));
+ }
+ }
+
+ private void setPushTags(final RewriteBuilder builder, final SwInterfaceDetails iface) {
+ final List<PushTags> tags = new ArrayList<>();
+ if (iface.vtrTag1 != 0) {
+ tags.add(buildTag((short) 0, SVlan.class, iface.vtrTag1));
+ }
+ if (iface.vtrTag2 != 0) {
+ tags.add(buildTag((short) 1, CVlan.class, iface.vtrTag2));
+ }
+ if (tags.size() > 0) {
+ builder.setPushTags(tags);
+ }
+ }
+
+ private PushTags buildTag(final short index, final Class<? extends Dot1qTagVlanType> tagType, final int vlanId) {
+ final PushTagsBuilder tag = new PushTagsBuilder();
+ tag.setIndex(index);
+ tag.setKey(new PushTagsKey(index));
+ final Dot1qTagBuilder dtag = new Dot1qTagBuilder();
+ dtag.setTagType(tagType);
+ dtag.setVlanId(new Dot1qVlanId(vlanId));
+ tag.setDot1qTag(dtag.build());
+ return tag.build();
+ }
+}
Code Review / honeycomb.git / blobdiff