v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/L2FibEntryCustomizer.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.translate.v3po.vppstate;
  18
  19 import com.google.common.base.Preconditions;
  20 import com.google.common.primitives.Longs;
  21 import io.fd.honeycomb.translate.read.ReadContext;
  22 import io.fd.honeycomb.translate.read.ReadFailedException;
  23 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
  24 import io.fd.honeycomb.translate.util.RWUtils;
  25 import io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceDataTranslator;
  26 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
  27 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
  28 import io.fd.honeycomb.translate.vpp.util.NamingContext;
  29 import io.fd.vpp.jvpp.core.dto.L2FibTableDump;
  30 import io.fd.vpp.jvpp.core.dto.L2FibTableEntry;
  31 import io.fd.vpp.jvpp.core.dto.L2FibTableEntryReplyDump;
  32 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  33 import java.util.Collections;
  34 import java.util.List;
  35 import java.util.concurrent.CompletableFuture;
  36 import java.util.stream.Collector;
  37 import java.util.stream.Collectors;
  38 import javax.annotation.Nonnull;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.L2FibFilter;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.L2FibForward;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.L2FibTableBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.l2.fib.table.L2FibEntry;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.l2.fib.table.L2FibEntryKey;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomain;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomainKey;
  48 import org.opendaylight.yangtools.concepts.Builder;
  49 import org.opendaylight.yangtools.yang.binding.DataObject;
  50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  51 import org.slf4j.Logger;
  52 import org.slf4j.LoggerFactory;
  53
  54 public final class L2FibEntryCustomizer extends FutureJVppCustomizer
  55         implements ListReaderCustomizer<L2FibEntry, L2FibEntryKey, L2FibEntryBuilder>, ByteDataTranslator,
  56         InterfaceDataTranslator {
  57
  58     private static final Logger LOG = LoggerFactory.getLogger(L2FibEntryCustomizer.class);
  59
  60     private static final Collector<L2FibTableEntry, ?, L2FibTableEntry> SINGLE_ITEM_COLLECTOR =
  61             RWUtils.singleItemCollector();
  62
  63     private final NamingContext bdContext;
  64     private final NamingContext interfaceContext;
  65
  66     public L2FibEntryCustomizer(@Nonnull final FutureJVppCore futureJVppCore, @Nonnull final NamingContext bdContext,
  67                                 @Nonnull final NamingContext interfaceContext) {
  68         super(futureJVppCore);
  69         this.bdContext = Preconditions.checkNotNull(bdContext, "bdContext should not be null");
  70         this.interfaceContext = Preconditions.checkNotNull(interfaceContext, "interfaceContext should not be null");
  71     }
  72
  73     @Override
  74     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<L2FibEntry> id,
  75                                       @Nonnull final L2FibEntryBuilder builder, @Nonnull final ReadContext ctx)
  76             throws ReadFailedException {
  77
  78         final L2FibEntryKey key = id.firstKeyOf(id.getTargetType());
  79         final BridgeDomainKey bridgeDomainKey = id.firstKeyOf(BridgeDomain.class);
  80         final int bdId = bdContext.getIndex(bridgeDomainKey.getName(), ctx.getMappingContext());
  81         LOG.debug("Reading L2 FIB entry: key={}. bridgeDomainKey={}, bdId={}", key, bridgeDomainKey, bdId);
  82
  83         try {
  84             // TODO HONEYCOMB-186 use cached l2FibTable
  85             final L2FibTableEntry entry = dumpL2Fibs(id, bdId).stream().filter(e -> key.getPhysAddress()
  86                     .equals(new PhysAddress(vppPhysAddrToYang(Longs.toByteArray(e.mac), 2))))
  87                     .collect(SINGLE_ITEM_COLLECTOR);
  88
  89             builder.setAction(byteToBoolean(entry.filterMac)
  90                     ? L2FibFilter.class
  91                     : L2FibForward.class);
  92             builder.setBridgedVirtualInterface(byteToBoolean(entry.bviMac));
  93
  94             if (entry.swIfIndex != -1) {
  95                 builder.setOutgoingInterface(interfaceContext.getName(entry.swIfIndex, ctx.getMappingContext()));
  96             }
  97             builder.setStaticConfig(byteToBoolean(entry.staticMac));
  98             builder.setPhysAddress(key.getPhysAddress());
  99             builder.setKey(key);
 100         } catch (Exception e) {
 101             throw new ReadFailedException(id, e);
 102         }
 103     }
 104
 105     @Nonnull
 106     private List<L2FibTableEntry> dumpL2Fibs(final InstanceIdentifier<L2FibEntry> id, final int bdId)
 107             throws ReadFailedException {
 108         final L2FibTableDump l2FibRequest = new L2FibTableDump();
 109         l2FibRequest.bdId = bdId;
 110
 111         final CompletableFuture<L2FibTableEntryReplyDump> l2FibTableDumpCompletableFuture =
 112                 getFutureJVpp().l2FibTableDump(l2FibRequest).toCompletableFuture();
 113
 114         final L2FibTableEntryReplyDump dump = getReplyForRead(l2FibTableDumpCompletableFuture, id);
 115
 116         if (null == dump || null == dump.l2FibTableEntry) {
 117             return Collections.emptyList();
 118         } else {
 119             return dump.l2FibTableEntry;
 120         }
 121     }
 122
 123     @Nonnull
 124     @Override
 125     public List<L2FibEntryKey> getAllIds(@Nonnull final InstanceIdentifier<L2FibEntry> id,
 126                                          @Nonnull final ReadContext ctx) throws ReadFailedException {
 127         final BridgeDomainKey bridgeDomainKey = id.firstKeyOf(BridgeDomain.class);
 128         final int bdId = bdContext.getIndex(bridgeDomainKey.getName(), ctx.getMappingContext());
 129
 130         LOG.debug("Reading L2 FIB for bridge domain {} (bdId={})", bridgeDomainKey, bdId);
 131         return dumpL2Fibs(id, bdId).stream()
 132                 .map(entry -> new L2FibEntryKey(
 133                         new PhysAddress(vppPhysAddrToYang(Longs.toByteArray(entry.mac), 2))))
 134                 .collect(Collectors.toList());
 135     }
 136
 137     @Override
 138     public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<L2FibEntry> readData) {
 139         ((L2FibTableBuilder) builder).setL2FibEntry(readData);
 140     }
 141
 142     @Nonnull
 143     @Override
 144     public L2FibEntryBuilder getBuilder(@Nonnull final InstanceIdentifier<L2FibEntry> id) {
 145         return new L2FibEntryBuilder();
 146     }
 147 }