gerrit.fd Code Review - hc2vpp.git/blob

   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.interfacesstate.ip;
  18
  19 import static com.google.common.base.Preconditions.checkNotNull;
  20
  21 import com.google.common.base.Optional;
  22 import io.fd.honeycomb.translate.read.ReadContext;
  23 import io.fd.honeycomb.translate.read.ReadFailedException;
  24 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
  25 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
  26 import io.fd.honeycomb.translate.v3po.interfacesstate.ip.dump.params.AddressDumpParams;
  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.IpAddressDetails;
  30 import io.fd.vpp.jvpp.core.dto.IpAddressDetailsReplyDump;
  31 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
  32 import java.util.List;
  33 import javax.annotation.Nonnull;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4Builder;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.Address;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.AddressBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.AddressKey;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLengthBuilder;
  40 import org.opendaylight.yangtools.concepts.Builder;
  41 import org.opendaylight.yangtools.yang.binding.DataObject;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 /**
  47  * Read customizer for interface Ipv4 addresses.
  48  */
  49 public class Ipv4AddressCustomizer extends FutureJVppCustomizer
  50         implements ListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
  53     private static final String CACHE_KEY = Ipv4AddressCustomizer.class.getName();
  54
  55     private final NamingContext interfaceContext;
  56     private final DumpCacheManager<IpAddressDetailsReplyDump, AddressDumpParams> dumpManager;
  57
  58     public Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
  59                                  @Nonnull final NamingContext interfaceContext) {
  60         super(futureJVppCore);
  61         this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
  62         this.dumpManager = new DumpCacheManager.DumpCacheManagerBuilder<IpAddressDetailsReplyDump, AddressDumpParams>()
  63                 .withExecutor(createExecutor(futureJVppCore))
  64                 .build();
  65     }
  66
  67     @Override
  68     @Nonnull
  69     public AddressBuilder getBuilder(@Nonnull InstanceIdentifier<Address> id) {
  70         return new AddressBuilder();
  71     }
  72
  73     @Override
  74     public void readCurrentAttributes(@Nonnull InstanceIdentifier<Address> id, @Nonnull AddressBuilder builder,
  75                                       @Nonnull ReadContext ctx)
  76             throws ReadFailedException {
  77         LOG.debug("Reading attributes for interface address: {}", id);
  78
  79         final String interfaceName = id.firstKeyOf(Interface.class).getName();
  80         final int interfaceIndex = interfaceContext.getIndex(interfaceName, ctx.getMappingContext());
  81         // Key needs to contain interface ID to distinguish dumps between interfaces
  82         final String cacheKey = CACHE_KEY + interfaceName;
  83         final Optional<IpAddressDetailsReplyDump> dumpOptional = dumpManager
  84                 .getDump(id, cacheKey, ctx.getModificationCache(), new AddressDumpParams(interfaceIndex, false));
  85
  86         if (!dumpOptional.isPresent() || dumpOptional.get().ipAddressDetails.isEmpty()) {
  87             return;
  88         }
  89         final Optional<IpAddressDetails> ipAddressDetails =
  90                 findIpAddressDetailsByIp(dumpOptional, id.firstKeyOf(Address.class).getIp());
  91
  92         if (ipAddressDetails.isPresent()) {
  93             final IpAddressDetails detail = ipAddressDetails.get();
  94             builder.setIp(arrayToIpv4AddressNoZone(detail.ip))
  95                     .setSubnet(
  96                             new PrefixLengthBuilder().setPrefixLength(Short.valueOf(detail.prefixLength)).build());
  97
  98             if (LOG.isDebugEnabled()) {
  99                 LOG.debug("Attributes for {} interface (id={}) address {} successfully read: {}",
 100                         interfaceName, interfaceIndex, id, builder.build());
 101             }
 102         }
 103     }
 104
 105     @Override
 106     public List<AddressKey> getAllIds(@Nonnull InstanceIdentifier<Address> id, @Nonnull ReadContext ctx)
 107             throws ReadFailedException {
 108         LOG.debug("Reading list of keys for interface addresses: {}", id);
 109
 110         final String interfaceName = id.firstKeyOf(Interface.class).getName();
 111         final int interfaceIndex = interfaceContext.getIndex(interfaceName, ctx.getMappingContext());
 112         // Key needs to contain interface ID to distinguish dumps between interfaces
 113         final String cacheKey = CACHE_KEY + interfaceName;
 114         final Optional<IpAddressDetailsReplyDump> dumpOptional = dumpManager
 115                 .getDump(id, cacheKey, ctx.getModificationCache(), new AddressDumpParams(interfaceIndex, false));
 116
 117         return getAllIpv4AddressIds(dumpOptional, AddressKey::new);
 118     }
 119
 120     @Override
 121     public void merge(@Nonnull Builder<? extends DataObject> builder, @Nonnull List<Address> readData) {
 122         ((Ipv4Builder) builder).setAddress(readData);
 123     }
 124
 125 }