v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfaces/RoutingCustomizer.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;
  18
  19 import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
  20 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
  21 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
  22 import io.fd.honeycomb.translate.vpp.util.NamingContext;
  23 import io.fd.honeycomb.translate.write.WriteContext;
  24 import io.fd.honeycomb.translate.write.WriteFailedException;
  25 import io.fd.vpp.jvpp.core.dto.SwInterfaceSetTable;
  26 import io.fd.vpp.jvpp.core.dto.SwInterfaceSetTableReply;
  27 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  28 import java.util.concurrent.CompletionStage;
  29 import javax.annotation.Nonnull;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Routing;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 public class RoutingCustomizer extends FutureJVppCustomizer implements WriterCustomizer<Routing>, JvppReplyConsumer {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(RoutingCustomizer.class);
  39     private final NamingContext interfaceContext;
  40
  41     public RoutingCustomizer(final FutureJVppCore vppApi, final NamingContext interfaceContext) {
  42         super(vppApi);
  43         this.interfaceContext = interfaceContext;
  44     }
  45
  46     @Override
  47     public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
  48                                        @Nonnull final Routing dataAfter, @Nonnull final WriteContext writeContext)
  49             throws WriteFailedException {
  50
  51         final String ifName = id.firstKeyOf(Interface.class).getName();
  52         setRouting(id, ifName, dataAfter, writeContext);
  53     }
  54
  55     @Override
  56     public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
  57                                         @Nonnull final Routing dataBefore, @Nonnull final Routing dataAfter,
  58                                         @Nonnull final WriteContext writeContext)
  59             throws WriteFailedException {
  60
  61         final String ifName = id.firstKeyOf(Interface.class).getName();
  62         setRouting(id, ifName, dataAfter, writeContext);
  63     }
  64
  65     @Override
  66     public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
  67                                         @Nonnull final Routing dataBefore, @Nonnull final WriteContext writeContext)
  68             throws WriteFailedException {
  69         final String ifName = id.firstKeyOf(Interface.class).getName();
  70         disableRouting(id, ifName, writeContext);
  71     }
  72
  73     private void setRouting(final InstanceIdentifier<Routing> id, final String name, final Routing rt,
  74                             final WriteContext writeContext) throws WriteFailedException {
  75         final int swIfc = interfaceContext.getIndex(name, writeContext.getMappingContext());
  76         LOG.debug("Setting routing for interface: {}, {}. Routing: {}", name, swIfc, rt);
  77
  78         int vrfId = (rt != null)
  79                 ? rt.getVrfId().intValue()
  80                 : 0;
  81
  82         if (vrfId != 0) {
  83             final CompletionStage<SwInterfaceSetTableReply> swInterfaceSetTableReplyCompletionStage =
  84                     getFutureJVpp()
  85                             .swInterfaceSetTable(getInterfaceSetTableRequest(swIfc, (byte) 0, /* isIpv6 */ vrfId));
  86             getReplyForWrite(swInterfaceSetTableReplyCompletionStage.toCompletableFuture(), id);
  87             LOG.debug("Routing set successfully for interface: {}, {}, routing: {}", name, swIfc, rt);
  88         }
  89     }
  90
  91     /**
  92      * In this case, there is no such thing as delete routing,only thing that can be done is to disable it by setting
  93      * default value 0
  94      */
  95     private void disableRouting(final InstanceIdentifier<Routing> id, final String name,
  96                                 final WriteContext writeContext) throws WriteFailedException {
  97         final int swIfc = interfaceContext.getIndex(name, writeContext.getMappingContext());
  98         LOG.debug("Disabling routing for interface: {}, {}.", name, swIfc);
  99
 100         getReplyForDelete(getFutureJVpp()
 101                 .swInterfaceSetTable(getInterfaceSetTableRequest(swIfc, (byte) 0, 0)).toCompletableFuture(), id);
 102         LOG.debug("Routing for interface: {}, {} successfully disabled", name, swIfc);
 103
 104     }
 105
 106     private SwInterfaceSetTable getInterfaceSetTableRequest(final int swIfc, final byte isIpv6, final int vrfId) {
 107         final SwInterfaceSetTable swInterfaceSetTable = new SwInterfaceSetTable();
 108         swInterfaceSetTable.isIpv6 = isIpv6;
 109         swInterfaceSetTable.swIfIndex = swIfc;
 110         swInterfaceSetTable.vrfId = vrfId;
 111         return swInterfaceSetTable;
 112     }
 113 }