v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/ip/Ipv4NeighbourCustomizer.java

   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.translate.v3po.interfaces.ip;
  18
  19 import static com.google.common.base.Preconditions.checkArgument;
  20 import static com.google.common.base.Preconditions.checkNotNull;
  21 import static com.google.common.base.Preconditions.checkState;
  22
  23 import io.fd.honeycomb.translate.MappingContext;
  24 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
  25 import io.fd.honeycomb.translate.vpp.util.AddressTranslator;
  26 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
  27 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
  28 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
  29 import io.fd.honeycomb.translate.vpp.util.NamingContext;
  30 import io.fd.honeycomb.translate.write.WriteContext;
  31 import io.fd.honeycomb.translate.write.WriteFailedException;
  32 import io.fd.vpp.jvpp.core.dto.IpNeighborAddDel;
  33 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  34 import javax.annotation.Nonnull;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Neighbor;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.NeighborKey;
  39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43
  44 /**
  45  * Customizer for writing {@link Neighbor} for {@link Ipv4}.
  46  */
  47 public class Ipv4NeighbourCustomizer extends FutureJVppCustomizer
  48         implements ListWriterCustomizer<Neighbor, NeighborKey>, ByteDataTranslator, AddressTranslator,
  49         JvppReplyConsumer {
  50
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(Ipv4NeighbourCustomizer.class);
  53     final NamingContext interfaceContext;
  54
  55     public Ipv4NeighbourCustomizer(final FutureJVppCore futureJVppCore, final NamingContext interfaceContext) {
  56         super(futureJVppCore);
  57         this.interfaceContext = interfaceContext;
  58     }
  59
  60     @Override
  61     public void writeCurrentAttributes(@Nonnull InstanceIdentifier<Neighbor> id, @Nonnull Neighbor dataAfter,
  62                                        @Nonnull WriteContext writeContext)
  63             throws WriteFailedException {
  64
  65         checkNotNull(dataAfter, "Cannot write null neighbour");
  66         checkArgument(id.firstKeyOf(Interface.class) != null, "No parent interface key found");
  67
  68         LOG.debug("Processing request for Neigbour write");
  69         String interfaceName = id.firstKeyOf(Interface.class).getName();
  70         MappingContext mappingContext = writeContext.getMappingContext();
  71
  72         checkState(interfaceContext.containsIndex(interfaceName, mappingContext),
  73                 "Mapping does not contains mapping for provider interface name ".concat(interfaceName));
  74
  75         LOG.debug("Parent interface index found");
  76         addDelNeighbourAndReply(id, true,
  77                 interfaceContext.getIndex(interfaceName, mappingContext), dataAfter);
  78         LOG.info("Neighbour successfully written");
  79     }
  80
  81     @Override
  82     public void updateCurrentAttributes(@Nonnull InstanceIdentifier<Neighbor> id, @Nonnull Neighbor dataBefore,
  83                                         @Nonnull Neighbor dataAfter,
  84                                         @Nonnull WriteContext writeContext) throws WriteFailedException {
  85         throw new UnsupportedOperationException("Operation not supported");
  86     }
  87
  88     @Override
  89     public void deleteCurrentAttributes(@Nonnull InstanceIdentifier<Neighbor> id, @Nonnull Neighbor dataBefore,
  90                                         @Nonnull WriteContext writeContext)
  91             throws WriteFailedException {
  92
  93         checkNotNull(dataBefore, "Cannot delete null neighbour");
  94         checkArgument(id.firstKeyOf(Interface.class) != null, "No parent interface key found");
  95
  96         LOG.debug("Processing request for Neigbour delete");
  97         String interfaceName = id.firstKeyOf(Interface.class).getName();
  98         MappingContext mappingContext = writeContext.getMappingContext();
  99
 100         checkState(interfaceContext.containsIndex(interfaceName, mappingContext),
 101                 "Mapping does not contains mapping for provider interface name %s", interfaceName);
 102
 103         LOG.debug("Parent interface[{}] index found", interfaceName);
 104
 105         addDelNeighbourAndReply(id, false,
 106                 interfaceContext.getIndex(interfaceName, mappingContext), dataBefore);
 107         LOG.info("Neighbour {} successfully deleted", id);
 108     }
 109
 110     private void addDelNeighbourAndReply(InstanceIdentifier<Neighbor> id, boolean add, int parentInterfaceIndex,
 111                                          Neighbor data) throws WriteFailedException {
 112
 113         IpNeighborAddDel request = new IpNeighborAddDel();
 114
 115         request.isAdd = booleanToByte(add);
 116         request.isIpv6 = 0;
 117         request.isStatic = 1;
 118         request.dstAddress = ipv4AddressNoZoneToArray(data.getIp());
 119         request.macAddress = parseMac(data.getLinkLayerAddress().getValue());
 120         request.swIfIndex = parentInterfaceIndex;
 121
 122         //TODO HONEYCOMB-182 if it is necessary for future use ,make adjustments to be able to set vrfid
 123         //request.vrfId
 124         getReplyForWrite(getFutureJVpp().ipNeighborAddDel(request).toCompletableFuture(), id);
 125     }
 126 }