From 293ef1967dc6b523f8cf2ea4618bd39ca9a70b56 Mon Sep 17 00:00:00 2001 From: Jan Srnicek Date: Wed, 31 Aug 2016 07:46:41 +0200 Subject: HONEYCOMB-75 - Lisp implemetation Rebased on final minimal distro Change-Id: Ib71fc59e62dda4633f4f79c5c7417a4aaf02a177 Signed-off-by: Jan Srnicek Signed-off-by: Florin Coras Signed-off-by: Maros Marsalek --- .../translate/read/RemoteMappingCustomizer.java | 203 +++++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100755 lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/RemoteMappingCustomizer.java (limited to 'lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/RemoteMappingCustomizer.java') diff --git a/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/RemoteMappingCustomizer.java b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/RemoteMappingCustomizer.java new file mode 100755 index 000000000..81405ecec --- /dev/null +++ b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/RemoteMappingCustomizer.java @@ -0,0 +1,203 @@ +/* + * 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.util.EidConverter.compareAddresses; +import static io.fd.honeycomb.lisp.translate.util.EidConverter.getArrayAsEidLocal; + +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.lisp.translate.read.dump.executor.params.MappingsDumpParams.QuantityType; +import io.fd.honeycomb.lisp.translate.util.EidConverter; +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.TranslateUtils; +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.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.RemoteMappingsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.RemoteMapping; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.RemoteMappingBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.RemoteMappingKey; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.Eid; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.remote.mappings.remote.mapping.EidBuilder; +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 RemoteMapping}
+ */ +public class RemoteMappingCustomizer extends FutureJVppCustomizer + implements ListReaderCustomizer { + + private static final Logger LOG = LoggerFactory.getLogger(RemoteMappingCustomizer.class); + private static final String KEY = RemoteMappingCustomizer.class.getName(); + + private final DumpCacheManager dumpManager; + private final EidMappingContext remoteMappingContext; + + public RemoteMappingCustomizer(@Nonnull FutureJVppCore futureJvpp, + @Nonnull EidMappingContext remoteMappingContext) { + super(futureJvpp); + this.remoteMappingContext = checkNotNull(remoteMappingContext, "Remote mappings not present"); + this.dumpManager = + new DumpCacheManager.DumpCacheManagerBuilder() + .withExecutor(new MappingsDumpExecutor(futureJvpp)) + .withNonEmptyPredicate(new MappingsDumpCheck()) + .build(); + } + + + @Override + public RemoteMappingBuilder getBuilder(InstanceIdentifier id) { + return new RemoteMappingBuilder(); + } + + private Eid copyEid( + org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.eid.mapping.context.rev160801.contexts.eid.mapping.context.mappings.mapping.Eid eid) { + return new EidBuilder().setAddress(eid.getAddress()).setAddressType(eid.getAddressType()) + .setVirtualNetworkId(eid.getVirtualNetworkId()).build(); + } + + @Override + public void readCurrentAttributes(InstanceIdentifier id, RemoteMappingBuilder builder, + ReadContext ctx) + throws ReadFailedException { + checkState(id.firstKeyOf(RemoteMapping.class) != null, "No key present for id({})", id); + checkState(id.firstKeyOf(VniTable.class) != null, "Parent VNI table not specified"); + + final MappingId mappingId = id.firstKeyOf(RemoteMapping.class).getId(); + checkState(remoteMappingContext.containsEid(mappingId, ctx.getMappingContext()), + "No mapping stored for id %s", mappingId); + + final long vni = id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier(); + final String remoteMappingId = id.firstKeyOf(RemoteMapping.class).getId().getValue(); + final Eid eid = copyEid(remoteMappingContext.getEid(mappingId, ctx.getMappingContext())); + final MappingsDumpParams dumpParams = new MappingsDumpParamsBuilder() + .setVni(Long.valueOf(vni).intValue()) + .setEidSet(QuantityType.SPECIFIC) + .setEidType(EidConverter.getEidType(eid)) + .setEid(EidConverter.getEidAsByteArray(eid)) + .setPrefixLength(EidConverter.getPrefixLength(eid)) + .build(); + + LOG.debug("Dumping data for LocalMappings(id={})", id); + Optional replyOptional; + try { + replyOptional = + dumpManager.getDump(bindKey("SPECIFIC_" + remoteMappingId), 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()); + + builder.setEid(EidConverter.getArrayAsEidRemote(valueOf(details.eidType), details.eid)); + builder.setKey(new RemoteMappingKey(new MappingId(id.firstKeyOf(RemoteMapping.class).getId()))); + builder.setTtl(resolveTtl(details.ttl)); + builder.setAuthoritative( + new RemoteMapping.Authoritative(TranslateUtils.byteToBoolean(details.authoritative))); + + } else { + LOG.debug("No data dumped"); + } + } + + //compensate ~0 as default value of ttl + private static long resolveTtl(final int ttlValue) { + return ttlValue == -1 + ? Integer.MAX_VALUE + : ttlValue; + } + + @Override + public List getAllIds(InstanceIdentifier id, ReadContext context) + throws ReadFailedException { + + checkState(id.firstKeyOf(VniTable.class) != null, "Parent VNI table not specified"); + + //requesting all remote with specific vni + final MappingsDumpParams dumpParams = new MappingsDumpParamsBuilder() + .setVni(Long.valueOf(id.firstKeyOf(VniTable.class).getVirtualNetworkIdentifier()).intValue()) + .setEidSet(QuantityType.ALL) + .setFilter(FilterType.REMOTE) + .build(); + + LOG.debug("Dumping data for LocalMappings(id={})", id); + Optional replyOptional; + try { + replyOptional = dumpManager.getDump(bindKey("ALL_REMOTE"), 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(detail -> new RemoteMappingKey( + new MappingId( + remoteMappingContext.getId( + EidConverter.getArrayAsEidRemote( + valueOf(detail.eidType), detail.eid), + context.getMappingContext())))) + .collect(Collectors.toList()); + } else { + LOG.debug("No data dumped"); + return Collections.emptyList(); + } + } + + @Override + public void merge(Builder builder, List readData) { + ((RemoteMappingsBuilder) builder).setRemoteMapping(readData); + } + + private String bindKey(String prefix) { + return prefix + "_" + KEY; + } +} -- cgit 1.2.3-korg