diff options
Diffstat (limited to 'lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/translate/read/LocalMappingCustomizer.java')
-rwxr-xr-x | lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/translate/read/LocalMappingCustomizer.java | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/translate/read/LocalMappingCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/translate/read/LocalMappingCustomizer.java new file mode 100755 index 000000000..06d56c185 --- /dev/null +++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/translate/read/LocalMappingCustomizer.java @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2016 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.translate.read; + +import static com.google.common.base.Preconditions.checkNotNull; +import static com.google.common.base.Preconditions.checkState; +import static io.fd.hc2vpp.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType.valueOf; +import static io.fd.hc2vpp.lisp.translate.read.dump.executor.params.MappingsDumpParams.FilterType; +import static io.fd.hc2vpp.lisp.translate.read.dump.executor.params.MappingsDumpParams.MappingsDumpParamsBuilder; +import static io.fd.hc2vpp.lisp.translate.read.dump.executor.params.MappingsDumpParams.QuantityType; + +import com.google.common.base.Optional; +import io.fd.hc2vpp.lisp.context.util.EidMappingContext; +import io.fd.hc2vpp.lisp.translate.read.dump.executor.params.MappingsDumpParams; +import io.fd.hc2vpp.lisp.translate.read.trait.MappingReader; +import io.fd.hc2vpp.lisp.translate.util.EidTranslator; +import io.fd.honeycomb.translate.read.ReadContext; +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer; +import io.fd.honeycomb.translate.util.RWUtils; +import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager; +import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.vpp.jvpp.core.dto.LispEidTableDetails; +import io.fd.vpp.jvpp.core.dto.LispEidTableDetailsReplyDump; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.mapping.Eid; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.MappingId; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.dp.subtable.grouping.LocalMappingsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.dp.subtable.grouping.local.mappings.LocalMapping; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.dp.subtable.grouping.local.mappings.LocalMappingBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.dp.subtable.grouping.local.mappings.LocalMappingKey; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.VniTable; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Customizer for reading {@code LocalMapping}<br> Currently unsupported by jvpp + */ +public class LocalMappingCustomizer + extends FutureJVppCustomizer + implements ListReaderCustomizer<LocalMapping, LocalMappingKey, LocalMappingBuilder>, EidTranslator, + MappingReader { + + private static final Logger LOG = LoggerFactory.getLogger(LocalMappingCustomizer.class); + + private final DumpCacheManager<LispEidTableDetailsReplyDump, MappingsDumpParams> dumpManager; + private final NamingContext locatorSetContext; + private final EidMappingContext localMappingContext; + + public LocalMappingCustomizer(@Nonnull FutureJVppCore futureJvpp, @Nonnull NamingContext locatorSetContext, + @Nonnull EidMappingContext localMappingsContext) { + super(futureJvpp); + this.locatorSetContext = checkNotNull(locatorSetContext, "Locator Set Mapping Context cannot be null"); + this.localMappingContext = checkNotNull(localMappingsContext, "Local mappings context cannot be null"); + this.dumpManager = + new DumpCacheManager.DumpCacheManagerBuilder<LispEidTableDetailsReplyDump, MappingsDumpParams>() + .withExecutor(createMappingDumpExecutor(futureJvpp)) + .build(); + } + + @Override + public LocalMappingBuilder getBuilder(InstanceIdentifier<LocalMapping> id) { + return new LocalMappingBuilder(); + } + + @Override + public void readCurrentAttributes(InstanceIdentifier<LocalMapping> id, LocalMappingBuilder builder, + ReadContext ctx) throws ReadFailedException { + checkState(id.firstKeyOf(LocalMapping.class) != null, "No key present for id({})", id); + checkState(id.firstKeyOf(VniTable.class) != null, "Parent VNI table not specified"); + + //checks whether there is an existing mapping + final MappingId mappingId = id.firstKeyOf(LocalMapping.class).getId(); + checkState(localMappingContext.containsEid(mappingId, ctx.getMappingContext())); + + final long vni = id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier(); + + final String localMappingId = id.firstKeyOf(LocalMapping.class).getId().getValue(); + final Eid eid = localMappingContext.getEid(mappingId, ctx.getMappingContext()); + + //Requesting for specific mapping dump,only from local mappings with specified eid/vni/eid type + final MappingsDumpParams dumpParams = new MappingsDumpParams.MappingsDumpParamsBuilder() + .setEidSet(QuantityType.SPECIFIC) + .setVni(Long.valueOf(vni).intValue()) + .setEid(getEidAsByteArray(eid)) + .setEidType(getEidType(eid)) + .setPrefixLength(getPrefixLength(eid)) + .build(); + + LOG.debug("Dumping data for LocalMappings(id={})", id); + final Optional<LispEidTableDetailsReplyDump> replyOptional = + dumpManager.getDump(id, ctx.getModificationCache(), dumpParams); + + if (!replyOptional.isPresent() || replyOptional.get().lispEidTableDetails.isEmpty()) { + return; + } + + LispEidTableDetails details = replyOptional.get().lispEidTableDetails.stream() + .filter(subtableFilterForLocalMappings(id)) + .filter(detail -> compareAddresses(eid.getAddress(), getAddressFromDumpDetail(detail))) + .collect(RWUtils.singleItemCollector()); + + //in case of local mappings,locator_set_index stands for interface index + checkState(locatorSetContext.containsName(details.locatorSetIndex, ctx.getMappingContext()), + "No Locator Set name found for index %s", details.locatorSetIndex); + builder.setLocatorSet(locatorSetContext.getName(details.locatorSetIndex, ctx.getMappingContext())); + builder.setKey(new LocalMappingKey(new MappingId(id.firstKeyOf(LocalMapping.class).getId()))); + builder.setEid(getArrayAsEidLocal(valueOf(details.eidType), details.eid, details.vni)); + } + + private Address getAddressFromDumpDetail(final LispEidTableDetails detail) { + return getArrayAsEidLocal(valueOf(detail.eidType), detail.eid, detail.vni).getAddress(); + } + + @Override + public List<LocalMappingKey> getAllIds(InstanceIdentifier<LocalMapping> id, ReadContext context) + throws ReadFailedException { + + checkState(id.firstKeyOf(VniTable.class) != null, "Parent VNI table not specified"); + final long vni = id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier(); + + if (vni == 0) { + // ignoring default vni mapping + // its not relevant for us and we also don't store mapping for such eid's + // such mapping is used to create helper local mappings to process remote ones + return Collections.emptyList(); + } + + //request for all local mappings + final MappingsDumpParams dumpParams = new MappingsDumpParamsBuilder() + .setFilter(FilterType.LOCAL) + .setEidSet(QuantityType.ALL) + .build(); + + LOG.debug("Dumping data for LocalMappings(id={})", id); + final Optional<LispEidTableDetailsReplyDump> replyOptional = + dumpManager.getDump(id, context.getModificationCache(), dumpParams); + + if (!replyOptional.isPresent() || replyOptional.get().lispEidTableDetails.isEmpty()) { + return Collections.emptyList(); + } + + + return replyOptional.get().lispEidTableDetails.stream() + .filter(a -> a.vni == vni) + .filter(subtableFilterForLocalMappings(id)) + .map(detail -> getArrayAsEidLocal(valueOf(detail.eidType), detail.eid, detail.vni)) + .map(localEid -> localMappingContext.getId(localEid, context.getMappingContext())) + .map(MappingId::new) + .map(LocalMappingKey::new) + .collect(Collectors.toList()); + } + + @Override + public void merge(Builder<? extends DataObject> builder, List<LocalMapping> readData) { + ((LocalMappingsBuilder) builder).setLocalMapping(readData); + } +} |