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.rev170315.SpanState;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.VppInterfaceAugmentation;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.interfaces._interface.Span;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.interfaces.state._interface.SpanBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.span.attributes.MirroredInterfaces;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.span.attributes.MirroredInterfacesBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.span.attributes.mirrored.interfaces.MirroredInterface;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.span.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170315.span.attributes.mirrored.interfaces.MirroredInterfaceKey;
  44 import org.opendaylight.yangtools.concepts.Builder;
  45 import org.opendaylight.yangtools.yang.binding.DataObject;
  46 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  47 import org.slf4j.Logger;
  48 import org.slf4j.LoggerFactory;
  49
  50 public final class MirroredInterfacesCustomizer
  51         extends FutureJVppCustomizer
  52         implements InitializingReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder>, JvppReplyConsumer {
  53
  54     private static final Logger LOG = LoggerFactory.getLogger(MirroredInterfacesCustomizer.class);
  55
  56     private final NamingContext ifcContext;
  57
  58     public MirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore, final NamingContext ifcContext) {
  59         super(futureJVppCore);
  60         this.ifcContext = ifcContext;
  61     }
  62
  63     @Nonnull
  64     @Override
  65     public MirroredInterfacesBuilder getBuilder(@Nonnull final InstanceIdentifier<MirroredInterfaces> id) {
  66         return new MirroredInterfacesBuilder();
  67     }
  68
  69     @Override
  70     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
  71                                       @Nonnull final MirroredInterfacesBuilder builder, @Nonnull final ReadContext ctx)
  72             throws ReadFailedException {
  73         LOG.trace("Reading mirrored interfaces under: {}", id);
  74         final int dstId =
  75                 ifcContext.getIndex(id.firstKeyOf(Interface.class).getName(), ctx.getMappingContext());
  76
  77         final SwInterfaceSpanDetailsReplyDump replyForRead;
  78         if (ctx.getModificationCache().containsKey(getCacheKey())) {
  79             replyForRead = (SwInterfaceSpanDetailsReplyDump) ctx.getModificationCache().get(getCacheKey());
  80         } else {
  81             replyForRead = getReplyForRead(getFutureJVpp().swInterfaceSpanDump(
  82                     new SwInterfaceSpanDump()).toCompletableFuture(), id);
  83             ctx.getModificationCache().put(getCacheKey(), replyForRead);
  84         }
  85
  86         final List<MirroredInterface> mirroredInterfaces =
  87                 replyForRead.swInterfaceSpanDetails.stream()
  88                         .filter(detail -> detail.swIfIndexTo == dstId)
  89                         .filter(detail -> detail.state != 0) // filters disabled(we use disabled as delete)
  90                         .map(detail -> {
  91                                     final String interfaceName =
  92                                             ifcContext.getName(detail.swIfIndexFrom, ctx.getMappingContext());
  93                                     return new MirroredInterfaceBuilder()
  94                                             .setIfaceRef(interfaceName)
  95                                             .setKey(new MirroredInterfaceKey(interfaceName))
  96                                             .setState(SpanState.forValue(detail.state))
  97                                             .build();
  98                                 }
  99                         )
 100                         .collect(Collectors.toList());
 101
 102         LOG.debug("Mirrored interfaces for: {} read as: {}", id, mirroredInterfaces);
 103
 104         if (!mirroredInterfaces.isEmpty()) {
 105             builder.setMirroredInterface(mirroredInterfaces);
 106         }
 107     }
 108
 109     private String getCacheKey() {
 110         return getClass().getName();
 111     }
 112
 113     @Override
 114     public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
 115                       @Nonnull final MirroredInterfaces readValue) {
 116         ((SpanBuilder) parentBuilder).setMirroredInterfaces(readValue);
 117     }
 118
 119     @Nonnull
 120     @Override
 121     public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
 122                                                   @Nonnull final MirroredInterfaces readValue,
 123                                                   @Nonnull final ReadContext ctx) {
 124         final InstanceIdentifier<MirroredInterfaces> cfgId =
 125                 InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
 126                         .augmentation(VppInterfaceAugmentation.class)
 127                         .child(Span.class)
 128                         .child(MirroredInterfaces.class);
 129         return Initialized.create(cfgId, readValue);
 130     }
 131 }