bgp/extensions/evpn/src/main/java/org/opendaylight/protocol/bgp/evpn/impl/esi/types/RouterIdParser.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.bgp.evpn.impl.esi.types;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11 import static org.opendaylight.protocol.bgp.evpn.impl.esi.types.EsiModelUtil.extractLD;
  12 import static org.opendaylight.protocol.bgp.evpn.impl.esi.types.EsiModelUtil.extractRD;
  13
  14 import io.netty.buffer.ByteBuf;
  15 import org.opendaylight.protocol.util.Ipv4Util;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.EsiType;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.Esi;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.RouterIdGeneratedCase;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.RouterIdGeneratedCaseBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.router.id.generated._case.RouterIdGenerated;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.router.id.generated._case.RouterIdGeneratedBuilder;
  22 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
  23 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  24
  25 final class RouterIdParser extends AbstractEsiType {
  26
  27     @Override
  28     public ByteBuf serializeBody(final Esi esi, final ByteBuf body) {
  29         checkArgument(esi instanceof RouterIdGeneratedCase,
  30             "Unknown esi instance. Passed %s. Needed RouterIdGeneratedCase.", esi);
  31         final RouterIdGenerated routerID = ((RouterIdGeneratedCase) esi).getRouterIdGenerated();
  32         Ipv4Util.writeIpv4Address(routerID.getRouterId(), body);
  33         ByteBufUtils.writeOrZero(body, routerID.getLocalDiscriminator());
  34         return body.writeByte(0);
  35     }
  36
  37     @Override
  38     protected EsiType getType() {
  39         return EsiType.RouterIdGenerated;
  40     }
  41
  42     @Override
  43     public Esi serializeEsi(final ContainerNode esi) {
  44         return new RouterIdGeneratedCaseBuilder()
  45                 .setRouterIdGenerated(new RouterIdGeneratedBuilder()
  46                     .setLocalDiscriminator(extractLD(esi))
  47                     .setRouterId(extractRD(esi))
  48                     .build())
  49                 .build();
  50     }
  51
  52     @Override
  53     public Esi parseEsi(final ByteBuf buffer) {
  54         return new RouterIdGeneratedCaseBuilder()
  55                 .setRouterIdGenerated(new RouterIdGeneratedBuilder()
  56                     .setRouterId(Ipv4Util.addressForByteBuf(buffer))
  57                     .setLocalDiscriminator(ByteBufUtils.readUint32(buffer))
  58                     .build())
  59                 .build();
  60     }
  61 }