lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/read/BridgeDomainSubtableCustomizer.java

   1 /*
   2  * Copyright (c) 2015 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.honeycomb.lisp.translate.read;
  18
  19 import static com.google.common.base.Preconditions.checkNotNull;
  20
  21 import com.google.common.base.Optional;
  22 import io.fd.honeycomb.lisp.translate.read.dump.executor.SubtableDumpExecutor;
  23 import io.fd.honeycomb.lisp.translate.read.dump.executor.params.SubtableDumpParams;
  24 import io.fd.honeycomb.lisp.translate.read.trait.SubtableReader;
  25 import io.fd.honeycomb.translate.read.ReadContext;
  26 import io.fd.honeycomb.translate.read.ReadFailedException;
  27 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
  28 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
  29 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
  30 import io.fd.honeycomb.translate.vpp.util.NamingContext;
  31 import io.fd.vpp.jvpp.core.dto.LispEidTableMapDetails;
  32 import io.fd.vpp.jvpp.core.dto.LispEidTableMapDetailsReplyDump;
  33 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  34 import java.util.List;
  35 import java.util.stream.Collectors;
  36 import javax.annotation.Nonnull;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTable;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.VniTableBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.BridgeDomainSubtable;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.eid.table.grouping.eid.table.vni.table.BridgeDomainSubtableBuilder;
  41 import org.opendaylight.yangtools.concepts.Builder;
  42 import org.opendaylight.yangtools.yang.binding.DataObject;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 public class BridgeDomainSubtableCustomizer extends FutureJVppCustomizer implements
  48         ReaderCustomizer<BridgeDomainSubtable, BridgeDomainSubtableBuilder>, SubtableReader {
  49
  50     private static final Logger LOG = LoggerFactory.getLogger(BridgeDomainSubtableCustomizer.class);
  51     private static final String CACHE_KEY = BridgeDomainSubtableCustomizer.class.getName();
  52
  53     private final DumpCacheManager<LispEidTableMapDetailsReplyDump, SubtableDumpParams> dumpManager;
  54     private final SubtableDumpExecutor dumpExecutor;
  55     private final NamingContext bridgeDomainContext;
  56
  57     public BridgeDomainSubtableCustomizer(@Nonnull final FutureJVppCore futureJvppCore,
  58                                           @Nonnull final NamingContext bridgeDomainContext) {
  59         super(futureJvppCore);
  60         dumpExecutor = new SubtableDumpExecutor(futureJvppCore);
  61         dumpManager =
  62                 new DumpCacheManager.DumpCacheManagerBuilder<LispEidTableMapDetailsReplyDump, SubtableDumpParams>()
  63                         .withExecutor(dumpExecutor)
  64                         .build();
  65         this.bridgeDomainContext = checkNotNull(bridgeDomainContext, "Bridge domain context cannot be null");
  66     }
  67
  68     @Nonnull
  69     @Override
  70     public BridgeDomainSubtableBuilder getBuilder(@Nonnull final InstanceIdentifier<BridgeDomainSubtable> id) {
  71         return new BridgeDomainSubtableBuilder();
  72     }
  73
  74     @Override
  75     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<BridgeDomainSubtable> id,
  76                                       @Nonnull final BridgeDomainSubtableBuilder builder,
  77                                       @Nonnull final ReadContext ctx) throws ReadFailedException {
  78         final int vni = checkNotNull(id.firstKeyOf(VniTable.class), "Cannot find parent VNI Table")
  79                 .getVirtualNetworkIdentifier().intValue();
  80         LOG.debug("Read attributes for id {}", id);
  81         //dumps only L2(bridge domains)
  82         final Optional<LispEidTableMapDetailsReplyDump> reply =
  83                 readSubtable(dumpManager, CACHE_KEY, ctx.getModificationCache(), id, L2_PARAMS);
  84
  85         if (!reply.isPresent() || reply.get().lispEidTableMapDetails.isEmpty()) {
  86             return;
  87         }
  88
  89         // Single item collector cant be used in this case,because bridge-domain-subtable is container
  90         // so read is invoked every time parent is defined
  91         final List<LispEidTableMapDetails>
  92                 details = reply.get().lispEidTableMapDetails.stream().filter(a -> a.vni == vni)
  93                 .collect(Collectors.toList());
  94         if (details.size() == 1) {
  95             final LispEidTableMapDetails detail = details.get(0);
  96             builder.setBridgeDomainRef(bridgeDomainContext.getName(detail.dpTable, ctx.getMappingContext()));
  97             LOG.debug("Attributes for {} successfully loaded", id);
  98         }
  99     }
 100
 101     @Override
 102     public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
 103                       @Nonnull final BridgeDomainSubtable readValue) {
 104         ((VniTableBuilder) parentBuilder).setBridgeDomainSubtable(readValue);
 105     }
 106 }