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

   1 /*
   2  * Copyright (c) 2016 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.params.SubtableDumpParams;
  23 import io.fd.honeycomb.lisp.translate.read.trait.SubtableReader;
  24 import io.fd.honeycomb.translate.read.ReadContext;
  25 import io.fd.honeycomb.translate.read.ReadFailedException;
  26 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
  27 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
  28 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManagerBuilder;
  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.rev161214.eid.table.grouping.eid.table.VniTable;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.VniTableBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.eid.table.grouping.eid.table.vni.table.BridgeDomainSubtable;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev161214.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
  52     private final DumpCacheManager<LispEidTableMapDetailsReplyDump, SubtableDumpParams>
  53             dumpManager;
  54     private final NamingContext bridgeDomainContext;
  55
  56     public BridgeDomainSubtableCustomizer(@Nonnull final FutureJVppCore futureJvppCore,
  57                                           @Nonnull final NamingContext bridgeDomainContext) {
  58         super(futureJvppCore);
  59         dumpManager =
  60                 new DumpCacheManagerBuilder<LispEidTableMapDetailsReplyDump, SubtableDumpParams>()
  61                         .withExecutor(createExecutor(futureJvppCore))
  62                         .build();
  63         this.bridgeDomainContext = checkNotNull(bridgeDomainContext, "Bridge domain context cannot be null");
  64     }
  65
  66     @Nonnull
  67     @Override
  68     public BridgeDomainSubtableBuilder getBuilder(@Nonnull final InstanceIdentifier<BridgeDomainSubtable> id) {
  69         return new BridgeDomainSubtableBuilder();
  70     }
  71
  72     @Override
  73     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<BridgeDomainSubtable> id,
  74                                       @Nonnull final BridgeDomainSubtableBuilder builder,
  75                                       @Nonnull final ReadContext ctx) throws ReadFailedException {
  76         final int vni = checkNotNull(id.firstKeyOf(VniTable.class), "Cannot find parent VNI Table")
  77                 .getVirtualNetworkIdentifier().intValue();
  78         LOG.debug("Read attributes for id {}", id);
  79         //dumps only L2(bridge domains)
  80         final Optional<LispEidTableMapDetailsReplyDump> reply =
  81                 dumpManager.getDump(id, ctx.getModificationCache(), L2_PARAMS);
  82
  83         if (!reply.isPresent() || reply.get().lispEidTableMapDetails.isEmpty()) {
  84             return;
  85         }
  86
  87         // Single item collector cant be used in this case,because bridge-domain-subtable is container
  88         // so read is invoked every time parent is defined
  89         final List<LispEidTableMapDetails>
  90                 details = reply.get().lispEidTableMapDetails.stream().filter(a -> a.vni == vni)
  91                 .collect(Collectors.toList());
  92         if (details.size() == 1) {
  93             final LispEidTableMapDetails detail = details.get(0);
  94             builder.setBridgeDomainRef(bridgeDomainContext.getName(detail.dpTable, ctx.getMappingContext()));
  95             LOG.debug("Attributes for {} successfully loaded", id);
  96         }
  97     }
  98
  99     @Override
 100     public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder,
 101                       @Nonnull final BridgeDomainSubtable readValue) {
 102         ((VniTableBuilder) parentBuilder).setBridgeDomainSubtable(readValue);
 103     }
 104 }