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.hc2vpp.v3po.interfacesstate.span;
  18
  19 import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
  20 import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
  21 import io.fd.hc2vpp.common.translate.util.NamingContext;
  22 import io.fd.hc2vpp.v3po.interfacesstate.InterfaceCustomizer;
  23 import io.fd.honeycomb.translate.read.ReadContext;
  24 import io.fd.honeycomb.translate.read.ReadFailedException;
  25 import io.fd.honeycomb.translate.spi.read.Initialized;
  26 import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
  27 import io.fd.honeycomb.translate.util.RWUtils;
  28 import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDetailsReplyDump;
  29 import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDump;
  30 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  31 import java.util.List;
  32 import java.util.stream.Collectors;
  33 import javax.annotation.Nonnull;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Span;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.SpanBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfaces;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.span.attributes.MirroredInterfacesBuilder;
  40 import org.opendaylight.yangtools.concepts.Builder;
  41 import org.opendaylight.yangtools.yang.binding.DataObject;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 public final class MirroredInterfacesCustomizer
  47         extends FutureJVppCustomizer
  48         implements InitializingReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder>, JvppReplyConsumer {
  49
  50     private static final Logger LOG = LoggerFactory.getLogger(MirroredInterfacesCustomizer.class);
  51
  52     private final NamingContext ifcContext;
  53
  54     public MirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore, final NamingContext ifcContext) {
  55         super(futureJVppCore);
  56         this.ifcContext = ifcContext;
  57     }
  58
  59     @Nonnull
  60     @Override
  61     public MirroredInterfacesBuilder getBuilder(@Nonnull final InstanceIdentifier<MirroredInterfaces> id) {
  62         return new MirroredInterfacesBuilder();
  63     }
  64
  65     @Override
  66     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
  67                                       @Nonnull final MirroredInterfacesBuilder builder, @Nonnull final ReadContext ctx)
  68             throws ReadFailedException {
  69         LOG.trace("Reading mirrored interfaces under: {}", id);
  70         final int dstId =
  71                 ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), ctx.getMappingContext());
  72
  73         final SwInterfaceSpanDetailsReplyDump replyForRead;
  74         if (ctx.getModificationCache().containsKey(getCacheKey())) {
  75             replyForRead = (SwInterfaceSpanDetailsReplyDump) ctx.getModificationCache().get(getCacheKey());
  76         } else {
  77             replyForRead = getReplyForRead(getFutureJVpp().swInterfaceSpanDump(
  78                     new SwInterfaceSpanDump()).toCompletableFuture(), id);
  79             ctx.getModificationCache().put(getCacheKey(), replyForRead);
  80         }
  81
  82         final List<String> mirroredInterfaces =
  83                 replyForRead.swInterfaceSpanDetails.stream()
  84                         .filter(detail -> detail.swIfIndexTo == dstId)
  85                         .map(detail -> ifcContext.getName(detail.swIfIndexFrom, ctx.getMappingContext()))
  86                         .collect(Collectors.toList());
  87
  88         LOG.debug("Mirrored interfaces for: {} read as: {}", id, mirroredInterfaces);
  89
  90         if (!mirroredInterfaces.isEmpty()) {
  91             builder.setMirroredInterface(mirroredInterfaces);
  92         }
  93     }
  94
  95     private String getCacheKey() {
  96         return getClass().getName();
  97     }
  98
  99     @Override
 100     public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
 101                       @Nonnull final MirroredInterfaces readValue) {
 102         ((SpanBuilder) parentBuilder).setMirroredInterfaces(readValue);
 103     }
 104
 105     @Nonnull
 106     @Override
 107     public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
 108                                                   @Nonnull final MirroredInterfaces readValue,
 109                                                   @Nonnull final ReadContext ctx) {
 110         final InstanceIdentifier<MirroredInterfaces> cfgId =
 111                 InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
 112                         .augmentation(VppInterfaceAugmentation.class)
 113                         .child(Span.class)
 114                         .child(MirroredInterfaces.class);
 115         return Initialized.create(cfgId, readValue);
 116     }
 117 }