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.honeycomb.translate.MappingContext;
  23 import io.fd.honeycomb.translate.read.ReadContext;
  24 import io.fd.honeycomb.translate.read.ReadFailedException;
  25 import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
  26 import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDetailsReplyDump;
  27 import io.fd.vpp.jvpp.core.dto.SwInterfaceSpanDump;
  28 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  29 import java.util.List;
  30 import java.util.function.Function;
  31 import java.util.stream.Collectors;
  32 import javax.annotation.Nonnull;
  33 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190128.SpanState;
  34 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190128.span.state.attributes.MirroredInterfaces;
  35 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190128.span.state.attributes.MirroredInterfacesBuilder;
  36 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190128.span.state.attributes.mirrored.interfaces.MirroredInterface;
  37 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190128.span.state.attributes.mirrored.interfaces.MirroredInterfaceBuilder;
  38 import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190128.span.state.attributes.mirrored.interfaces.MirroredInterfaceKey;
  39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 abstract class AbstractMirroredInterfacesCustomizer
  44         extends FutureJVppCustomizer
  45         implements InitializingReaderCustomizer<MirroredInterfaces, MirroredInterfacesBuilder>, JvppReplyConsumer {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(AbstractMirroredInterfacesCustomizer.class);
  48
  49     private final NamingContext ifcContext;
  50     private final Function<InstanceIdentifier<MirroredInterfaces>, String> destinationInterfaceNameExtractor;
  51
  52     protected AbstractMirroredInterfacesCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
  53                                                    @Nonnull final NamingContext ifcContext,
  54                                                    @Nonnull final Function<InstanceIdentifier<MirroredInterfaces>, String> destinationInterfaceNameExtractor) {
  55         super(futureJVppCore);
  56         this.ifcContext = ifcContext;
  57         this.destinationInterfaceNameExtractor = destinationInterfaceNameExtractor;
  58     }
  59
  60     @Nonnull
  61     @Override
  62     public MirroredInterfacesBuilder getBuilder(@Nonnull final InstanceIdentifier<MirroredInterfaces> id) {
  63         return new MirroredInterfacesBuilder();
  64     }
  65
  66     @Override
  67     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
  68                                       @Nonnull final MirroredInterfacesBuilder builder, @Nonnull final ReadContext ctx)
  69             throws ReadFailedException {
  70         LOG.trace("Reading mirrored interfaces under: {}", id);
  71         final int dstId = destinationInterfaceIndex(id, 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<MirroredInterface> mirroredInterfaces =
  83                 replyForRead.swInterfaceSpanDetails.stream()
  84                         .filter(detail -> detail.swIfIndexTo == dstId)
  85                         .filter(detail -> detail.state != 0) // filters disabled(we use disabled as delete)
  86                         .map(detail -> {
  87                                     final String interfaceName =
  88                                             ifcContext.getName(detail.swIfIndexFrom, ctx.getMappingContext());
  89                                     return new MirroredInterfaceBuilder()
  90                                             .setIfaceRef(interfaceName)
  91                                             .withKey(new MirroredInterfaceKey(interfaceName))
  92                                             .setState(SpanState.forValue(detail.state))
  93                                             .build();
  94                                 }
  95                         )
  96                         .collect(Collectors.toList());
  97
  98         LOG.debug("Mirrored interfaces for: {} read as: {}", id, mirroredInterfaces);
  99
 100         if (!mirroredInterfaces.isEmpty()) {
 101             builder.setMirroredInterface(mirroredInterfaces);
 102         }
 103     }
 104
 105     private String getCacheKey() {
 106         return getClass().getName();
 107     }
 108
 109     private int destinationInterfaceIndex(@Nonnull final InstanceIdentifier<MirroredInterfaces> id,
 110                                           @Nonnull final MappingContext mappingContext) {
 111         final String destinationInterfaceName = destinationInterfaceNameExtractor.apply(id);
 112         return ifcContext.getIndex(destinationInterfaceName, mappingContext);
 113     }
 114 }