diff options
Diffstat (limited to 'lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeEntryMappingContextImpl.java')
-rw-r--r-- | lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeEntryMappingContextImpl.java | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeEntryMappingContextImpl.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeEntryMappingContextImpl.java new file mode 100644 index 000000000..759931204 --- /dev/null +++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/ctx/GpeEntryMappingContextImpl.java @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.hc2vpp.lisp.gpe.translate.ctx; + +import static java.lang.String.format; + +import io.fd.honeycomb.translate.MappingContext; +import java.util.Collection; +import java.util.Optional; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.GpeEntryIdentificationCtxAugmentation; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.GpeEntryIdentificationContexts; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.GpeEntryIdentification; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.GpeEntryIdentificationKey; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.gpe.entry.identification.Mappings; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.gpe.entry.identification.mappings.Mapping; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.gpe.entry.identification.mappings.MappingBuilder; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.gpe.entry.identification.mappings.MappingKey; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.gpe.entry.identification.mappings.mapping.GpeEntryIdentificator; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.gpe.entry.identification.context.rev170517.gpe.entry.identification.context.attributes.gpe.entry.identification.contexts.gpe.entry.identification.mappings.mapping.GpeEntryIdentificatorBuilder; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class GpeEntryMappingContextImpl implements GpeEntryMappingContext { + + private static final Logger LOG = LoggerFactory.getLogger(GpeEntryMappingContextImpl.class); + + private final KeyedInstanceIdentifier<GpeEntryIdentification, GpeEntryIdentificationKey> + namingContextIid; + + /** + * Create new naming context + * + * @param instanceName name of this context instance. Will be used as list item identifier within context data tree + */ + public GpeEntryMappingContextImpl(@Nonnull final String instanceName) { + namingContextIid = InstanceIdentifier.create(Contexts.class) + .augmentation(GpeEntryIdentificationCtxAugmentation.class) + .child(GpeEntryIdentificationContexts.class) + .child(GpeEntryIdentification.class, new GpeEntryIdentificationKey(instanceName)); + } + + @Override + public void addMapping(@Nonnull final String id, + @Nonnull final GpeEntryIdentifier identifier, + @Nonnull final MappingContext mappingContext) { + LOG.debug("Adding mapping for gpe-entry[id={},entry-identifier={}]", id, identifier); + mappingContext.put(getMappingId(id), getMapping(id, identifier)); + LOG.debug("Mapping for gp-entry[id={}] successfully added", id); + } + + @Override + public void removeMapping(@Nonnull final String id, + @Nonnull final MappingContext mappingContext) { + LOG.debug("Removing mapping for gpe-entry[id={}]", id); + mappingContext.delete(getMappingId(id)); + LOG.debug("Mapping for gpe-entry[id={}] removed", id); + } + + @Override + public GpeEntryIdentificator getIdentificatorById(@Nonnull final String id, + @Nonnull final MappingContext mappingContext) { + final com.google.common.base.Optional<Mappings> read = + mappingContext.read(namingContextIid.child(Mappings.class)); + + if (read.isPresent()) { + return Optional.of(read.get()) + .map(Mappings::getMapping) + .map(Collection::stream) + .map(mappingStream -> mappingStream + .filter(mapping -> mapping.getId().equals(id)) + .map(Mapping::getGpeEntryIdentificator) + .findAny().orElse(null)) + .orElseThrow(() -> new IllegalStateException(format("No mapping for id %s", id))); + + } + throw new IllegalStateException(format("No mapping for id %s", id)); + } + + @Override + public String getIdByEntryIdentifier(@Nonnull final GpeEntryIdentifier identifier, + @Nonnull final MappingContext mappingContext) { + final com.google.common.base.Optional<Mappings> read = + mappingContext.read(namingContextIid.child(Mappings.class)); + + if (read.isPresent()) { + return Optional.of(read.get()) + .map(Mappings::getMapping) + .map(Collection::stream) + .map(mappingStream -> mappingStream + .filter(mapping -> identifier.isSame(mapping.getGpeEntryIdentificator())) + .map(Mapping::getId) + .findAny().orElse(null)) + .orElse(addArtificialMapping(identifier, mappingContext)); + } + + return addArtificialMapping(identifier, mappingContext); + } + + private String addArtificialMapping(@Nonnull final GpeEntryIdentifier identifier, + @Nonnull final MappingContext mappingContext) { + final String artificialName = buildArtificialName(identifier); + addMapping(artificialName, identifier, mappingContext); + return artificialName; + } + + private String buildArtificialName(@Nonnull final GpeEntryIdentifier identifier) { + return format("%s_%s_%s", identifier.getVni(), identifier.getLocalEid().getAddress(), + identifier.getRemoteEid().getAddress()); + } + + private KeyedInstanceIdentifier<Mapping, MappingKey> getMappingId(final String id) { + return namingContextIid.child(Mappings.class).child(Mapping.class, new MappingKey(id)); + } + + private Mapping getMapping(@Nonnull final String id, + @Nonnull final GpeEntryIdentifier identifier) { + return new MappingBuilder() + .setId(id) + .setGpeEntryIdentificator(new GpeEntryIdentificatorBuilder() + .setLocalEid(identifier.getLocalEid()) + .setRemoteEid(identifier.getRemoteEid()) + .setVni(identifier.getVni()) + .build()) + .build(); + } +} |