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         KeyedInstanceIdentifier<Mapping, MappingKey> mappingId = getMappingId(entryId);
  73         // if no mapping present, no need to invoke delete(it would throw error because of non existing parent data)
  74         if (mappingContext.read(mappingId).isPresent()) {
  75             mappingContext.delete(mappingId);
  76         }
  77         LOG.debug("All mappings for Gpe entry[id={}] removed", entryId);
  78     }
  79
  80     @Override
  81     public LocatorPairMapping getMapping(@Nonnull final String entryId,
  82                                          @Nonnull final GpeLocatorPair pair,
  83                                          @Nonnull final MappingContext mappingContext) {
  84
  85         if (!contains(entryId, pair, mappingContext)) {
  86             final String artificialLocatorId = artificialLocatorPairId(entryId, pair);
  87             addMapping(entryId, artificialLocatorId, pair, mappingContext);
  88             return getMapping(entryId, artificialLocatorId, mappingContext);
  89         }
  90
  91         return mappingContext.read(getMappingId(entryId))
  92                 .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
  93                 .getLocatorPairMapping()
  94                 .stream()
  95                 .filter(mapping -> pair.isSame(mapping.getPair()))
  96                 .collect(RWUtils.singleItemCollector());
  97     }
  98
  99     private boolean contains(final String entryId,
 100                              final GpeLocatorPair pair,
 101                              final MappingContext mappingContext) {
 102         return mappingContext.read(getMappingId(entryId))
 103                 .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
 104                 .getLocatorPairMapping()
 105                 .stream()
 106                 .anyMatch(mapping -> pair.isSame(mapping.getPair()));
 107     }
 108
 109     @Override
 110     public LocatorPairMapping getMapping(@Nonnull final String entryId,
 111                                          @Nonnull final String locatorId,
 112                                          @Nonnull final MappingContext mappingContext) {
 113         return mappingContext.read(getMappingId(entryId))
 114                 .or(new MappingBuilder().setLocatorPairMapping(Collections.emptyList()).build())
 115                 .getLocatorPairMapping()
 116                 .stream()
 117                 .filter(mapping -> mapping.getId().equals(locatorId))
 118                 .findAny().orElseThrow(() -> new IllegalArgumentException(
 119                         format("No mapping for entry %s|locator %s", entryId, locatorId)));
 120     }
 121
 122     private String artificialLocatorPairId(final String entryId, final GpeLocatorPair pair) {
 123         return format("%s_%s_%s", entryId, pair.getLocalAddress(), pair.getRemoteAddress());
 124     }
 125
 126     private Mapping getMappingData(final String entryId,
 127                                    final String locatorId,
 128                                    final GpeLocatorPair identifier) {
 129         return new MappingBuilder()
 130                 .setId(entryId)
 131                 .setLocatorPairMapping(Collections.singletonList(new LocatorPairMappingBuilder()
 132                         .setId(locatorId)
 133                         .setPair(new PairBuilder()
 134                                 .setLocalAddress(identifier.getLocalAddress())
 135                                 .setRemoteAddress(identifier.getRemoteAddress())
 136                                 .build())
 137                         .build())).build();
 138     }
 139
 140     private KeyedInstanceIdentifier<Mapping, MappingKey> getMappingId(final String id) {
 141         return namingContextIid.child(Mappings.class)
 142                 .child(Mapping.class, new MappingKey(id));
 143     }
 144 }
 145