diff options
Diffstat (limited to 'lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/LocalMappingCustomizer.java')
| -rwxr-xr-x | lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/LocalMappingCustomizer.java | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/LocalMappingCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/LocalMappingCustomizer.java new file mode 100755 index 000000000..0381df05d --- /dev/null +++ b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/LocalMappingCustomizer.java @@ -0,0 +1,194 @@ +/* + * 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.honeycomb.lisp.translate.read; + +import static com.google.common.base.Preconditions.checkNotNull; +import static com.google.common.base.Preconditions.checkState; +import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.EidType.valueOf; +import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.FilterType; +import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.MappingsDumpParamsBuilder; +import static io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams.QuantityType; +import static io.fd.honeycomb.lisp.translate.util.EidConverter.compareAddresses; +import static io.fd.honeycomb.lisp.translate.util.EidConverter.getArrayAsEidLocal; +import static io.fd.honeycomb.lisp.translate.util.EidConverter.getEidAsByteArray; +import static io.fd.honeycomb.lisp.translate.util.EidConverter.getEidType; +import static io.fd.honeycomb.lisp.translate.util.EidConverter.getPrefixLength; + +import com.google.common.base.Optional; +import io.fd.honeycomb.lisp.context.util.EidMappingContext; +import io.fd.honeycomb.lisp.translate.read.dump.check.MappingsDumpCheck; +import io.fd.honeycomb.lisp.translate.read.dump.executor.MappingsDumpExecutor; +import io.fd.honeycomb.lisp.translate.read.dump.executor.params.MappingsDumpParams; +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.v3po.util.FutureJVppCustomizer; +import io.fd.honeycomb.translate.v3po.util.NamingContext; +import io.fd.honeycomb.translate.v3po.util.cache.DumpCacheManager; +import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException; +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.opendaylight.params.xml.ns.yang.lisp.rev160520.MappingId; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.LocalMappingsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.LocalMapping; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.LocalMappingBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.local.mappings.LocalMappingKey; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.openvpp.jvpp.core.dto.LispEidTableDetails; +import org.openvpp.jvpp.core.dto.LispEidTableDetailsReplyDump; +import org.openvpp.jvpp.core.future.FutureJVppCore; +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> { + + private static final Logger LOG = LoggerFactory.getLogger(LocalMappingCustomizer.class); + private static final String KEY = LocalMappingCustomizer.class.getName(); + + private final DumpCacheManager<LispEidTableDetailsReplyDump, MappingsDumpParams> dumpManager; + private final MappingsDumpExecutor dumpExecutor; + 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.dumpExecutor = new MappingsDumpExecutor(futureJvpp); + this.dumpManager = + new DumpCacheManager.DumpCacheManagerBuilder<LispEidTableDetailsReplyDump, MappingsDumpParams>() + .withExecutor(dumpExecutor) + .withNonEmptyPredicate(new MappingsDumpCheck()) + .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); + Optional<LispEidTableDetailsReplyDump> replyOptional; + + try { + replyOptional = + dumpManager.getDump(bindKey("SPECIFIC_" + localMappingId), ctx.getModificationCache(), dumpParams); + } catch (DumpExecutionFailedException e) { + throw new ReadFailedException(id, e); + } + + if (replyOptional.isPresent()) { + LOG.debug("Valid dump loaded"); + + LispEidTableDetails details = replyOptional.get().lispEidTableDetails.stream() + .filter(a -> compareAddresses(eid.getAddress(), + getArrayAsEidLocal(valueOf(a.eidType), a.eid).getAddress())) + .collect( + RWUtils.singleItemCollector()); + + //in case of local mappings,locator_set_index stands for interface index + checkState(locatorSetContext.containsName(details.locatorSetIndex, ctx.getMappingContext())); + 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)); + } else { + LOG.debug("No data dumped"); + } + } + + @Override + public List<LocalMappingKey> getAllIds(InstanceIdentifier<LocalMapping> id, ReadContext context) + throws ReadFailedException { + + checkState(id.firstKeyOf(VniTable.class) != null, "Parent VNI table not specified"); + + //request for all local mappings + final MappingsDumpParams dumpParams = new MappingsDumpParamsBuilder() + .setVni(Long.valueOf(id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier()).intValue()) + .setFilter(FilterType.LOCAL) + .setEidSet(QuantityType.ALL) + .build(); + + LOG.debug("Dumping data for LocalMappings(id={})", id); + Optional<LispEidTableDetailsReplyDump> replyOptional; + try { + replyOptional = dumpManager.getDump(bindKey("ALL_LOCAL"), context.getModificationCache(), dumpParams); + } catch (DumpExecutionFailedException e) { + throw new ReadFailedException(id, e); + } + + if (replyOptional.isPresent()) { + LOG.debug("Valid dump loaded"); + return replyOptional.get().lispEidTableDetails.stream().map(a -> new LocalMappingKey( + new MappingId( + localMappingContext.getId( + getArrayAsEidLocal(valueOf(a.eidType), a.eid), + context.getMappingContext())))) + .collect(Collectors.toList()); + } else { + LOG.debug("No data dumped"); + return Collections.emptyList(); + } + } + + @Override + public void merge(Builder<? extends DataObject> builder, List<LocalMapping> readData) { + ((LocalMappingsBuilder) builder).setLocalMapping(readData); + } + + private static String bindKey(String prefix) { + return prefix + "_" + KEY; + } +} |