gerrit.fd Code Review - hc2vpp.git/blob

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.honeycomb.v3po.translate.v3po.interfacesstate;
  18
  19 import static io.fd.honeycomb.v3po.translate.v3po.interfacesstate.InterfaceUtils.isInterfaceOfType;
  20
  21 import com.google.common.base.Preconditions;
  22 import io.fd.honeycomb.v3po.translate.read.ReadContext;
  23 import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
  24 import io.fd.honeycomb.v3po.translate.spi.read.ChildReaderCustomizer;
  25 import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer;
  26 import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
  27 import javax.annotation.Nonnull;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.SubInterface;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.TagRewriteOperation;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VlanTag;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VlanType;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces.state._interface.L2Builder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.attributes.VlanTagRewrite;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.attributes.VlanTagRewriteBuilder;
  37 import org.opendaylight.yangtools.concepts.Builder;
  38 import org.opendaylight.yangtools.yang.binding.DataObject;
  39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  40 import org.openvpp.jvpp.dto.SwInterfaceDetails;
  41 import org.openvpp.jvpp.future.FutureJVpp;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 /**
  46  * Customizer for reading vlan tag-rewrite configuration state form the VPP.
  47  */
  48 public class VlanTagRewriteCustomizer extends FutureJVppCustomizer
  49         implements ChildReaderCustomizer<VlanTagRewrite, VlanTagRewriteBuilder> {
  50
  51     private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceCustomizer.class);
  52     private final NamingContext interfaceContext;
  53
  54     public VlanTagRewriteCustomizer(@Nonnull final FutureJVpp futureJvpp,
  55                                     @Nonnull final NamingContext interfaceContext) {
  56         super(futureJvpp);
  57         this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
  58     }
  59
  60     @Override
  61     public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
  62                       @Nonnull final VlanTagRewrite readValue) {
  63         ((L2Builder) parentBuilder).setVlanTagRewrite(readValue);
  64     }
  65
  66     @Nonnull
  67     @Override
  68     public VlanTagRewriteBuilder getBuilder(@Nonnull final InstanceIdentifier<VlanTagRewrite> id) {
  69         return new VlanTagRewriteBuilder();
  70     }
  71
  72     @Override
  73     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<VlanTagRewrite> id,
  74                                       @Nonnull final VlanTagRewriteBuilder builder, @Nonnull final ReadContext ctx)
  75             throws ReadFailedException {
  76         LOG.debug("Reading attributes for sub interface: {}", id);
  77         final InterfaceKey key = id.firstKeyOf(Interface.class);
  78
  79         final SwInterfaceDetails iface = InterfaceUtils.getVppInterfaceDetails(getFutureJVpp(), key,
  80                 interfaceContext.getIndex(key.getName(), ctx.getMappingContext()), ctx.getModificationCache());
  81
  82         // Tag rewrite is only possible for subinterfaces
  83         if (!isInterfaceOfType(SubInterface.class, iface)) {
  84             return;
  85         }
  86
  87         builder.setFirstPushed(iface.subDot1Ad == 1 ? VlanType._802dot1q : VlanType._802dot1ad);
  88         builder.setRewriteOperation(TagRewriteOperation.forValue(iface.vtrOp));
  89         if (iface.vtrTag1 != 0) {
  90             builder.setTag1(new VlanTag(iface.vtrTag1));
  91         }
  92         if (iface.vtrTag2 != 0) {
  93             builder.setTag2(new VlanTag(iface.vtrTag2));
  94         }
  95     }
  96 }