gerrit.fd Code Review - hc2vpp.git/blob

   1 /*
   2  * Copyright (c) 2017 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.lisp.gpe.translate.ctx;
  18
  19 import static java.lang.String.format;
  20
  21 import io.fd.honeycomb.translate.MappingContext;
  22 import io.fd.honeycomb.translate.util.RWUtils;
  23 import java.util.Collections;
  24 import javax.annotation.Nonnull;
  25 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.GpeLocatorPairIdentificationCtxAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.GpeLocatorPairIdentificationContexts;
  27 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.GpeLocatorPairIdentification;
  28 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.GpeLocatorPairIdentificationKey;
  29 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.Mappings;
  30 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.Mapping;
  31 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.MappingBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.MappingKey;
  33 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.mapping.LocatorPairMapping;
  34 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.mapping.LocatorPairMappingBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.locator.pair.identification.context.rev170517.gpe.locator.pair.identification.context.attributes.gpe.locator.pair.identification.contexts.gpe.locator.pair.identification.mappings.mapping.locator.pair.mapping.PairBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 public class GpeLocatorPairMappingContextImpl implements GpeLocatorPairMappingContext {
  43
  44     private static final Logger LOG = LoggerFactory.getLogger(GpeLocatorPairMappingContextImpl.class);
  45
  46     private final KeyedInstanceIdentifier<GpeLocatorPairIdentification, GpeLocatorPairIdentificationKey>
  47             namingContextIid;
  48
  49     public GpeLocatorPairMappingContextImpl(@Nonnull final String instanceName) {
  50         namingContextIid = InstanceIdentifier.create(Contexts.class)
  51                 .augmentation(GpeLocatorPairIdentificationCtxAugmentation.class)
  52                 .child(GpeLocatorPairIdentificationContexts.class)
  53                 .child(GpeLocatorPairIdentification.class, new GpeLocatorPairIdentificationKey(instanceName));
  54     }
  55
  56
  57     @Override
  58     public void addMapping(@Nonnull final String entryId,
  59                            @Nonnull final String locatorId,
  60                            @Nonnull final GpeLocatorPair pair,
  61                            @Nonnull final MappingContext mappingContext) {
  62         LOG.debug("Adding mapping for Gpe entry to locator id[entry-id={},locator-pair-id={}]", entryId, locatorId);
  63         mappingContext.merge(getMappingId(entryId), getMappingData(entryId, locatorId, pair));
  64         LOG.debug("Mapping for Gpe entry to locator id[entry-id={},locator-pair-id={}] successfully added", entryId,
  65                 locatorId);
  66     }
  67
  68     @Override
  69     public void removeMapping(@Nonnull final String entryId,
  70                               @Nonnull final MappingContext mappingContext) {
  71         LOG.debug("Removing all mappings for Gpe entry[id={}]", entryId);
  72         mappingContext.delete(getMappingId(entryId));
  73         LOG.debug("All mappings for Gpe entry[id={}] removed", entryId);
  74     }
  75
  76     @Override
  77     public LocatorPairMapping getMapping(@Nonnull final String entryId,
  78                                          @Nonnull final GpeLocatorPair pair,
  79                                          @Nonnull final MappingContext mappingContext) {
  80
  81         if (!contains(entryId, pair, mappingContext)) {
  82             final String artificialLocatorId = artificialLocatorPairId(entryId, pair);
  83             addMapping(entryId, artificialLocatorId, pair, mappingContext);
  84             return getMapping(entryId, artificialLocatorId, mappingContext);
  85         }
  86
  87         return mappingContext.read(getMappingId(entryId))
  88                 .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
  89                 .getLocatorPairMapping()
  90                 .stream()
  91                 .filter(mapping -> pair.isSame(mapping.getPair()))
  92                 .collect(RWUtils.singleItemCollector());
  93     }
  94
  95     private boolean contains(final String entryId,
  96                              final GpeLocatorPair pair,
  97                              final MappingContext mappingContext) {
  98         return mappingContext.read(getMappingId(entryId))
  99                 .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
 100                 .getLocatorPairMapping()
 101                 .stream()
 102                 .anyMatch(mapping -> pair.isSame(mapping.getPair()));
 103     }
 104
 105     @Override
 106     public LocatorPairMapping getMapping(@Nonnull final String entryId,
 107                                          @Nonnull final String locatorId,
 108                                          @Nonnull final MappingContext mappingContext) {
 109         return mappingContext.read(getMappingId(entryId))
 110                 .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
 111                 .getLocatorPairMapping()
 112                 .stream()
 113                 .filter(mapping -> mapping.getId().equals(locatorId))
 114                 .findAny().orElseThrow(() -> new IllegalArgumentException(
 115                         format("No mapping for entry %s|locator %s", entryId, locatorId)));
 116     }
 117
 118     private String artificialLocatorPairId(final String entryId, final GpeLocatorPair pair) {
 119         return format("%s_%s_%s", entryId, pair.getLocalAddress(), pair.getRemoteAddress());
 120     }
 121
 122     private Mapping getMappingData(final String entryId,
 123                                    final String locatorId,
 124                                    final GpeLocatorPair identifier) {
 125         return new MappingBuilder()
 126                 .setId(entryId)
 127                 .setLocatorPairMapping(Collections.singletonList(new LocatorPairMappingBuilder()
 128                         .setId(locatorId)
 129                         .setPair(new PairBuilder()
 130                                 .setLocalAddress(identifier.getLocalAddress())
 131                                 .setRemoteAddress(identifier.getRemoteAddress())
 132                                 .build())
 133                         .build())).build();
 134     }
 135
 136     private KeyedInstanceIdentifier<Mapping, MappingKey> getMappingId(final String id) {
 137         return namingContextIid.child(Mappings.class)
 138                 .child(Mapping.class, new MappingKey(id));
 139     }
 140 }
 141