bgp/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
   9 package org.opendaylight.protocol.bgp.evpn.impl.esi.types;
  10
  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 com.google.common.base.Preconditions;
  15 import io.netty.buffer.ByteBuf;
  16 import org.opendaylight.protocol.util.ByteBufWriteUtil;
  17 import org.opendaylight.protocol.util.Ipv4Util;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.EsiType;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.esi.Esi;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.esi.esi.RouterIdGeneratedCase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.esi.esi.RouterIdGeneratedCaseBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.esi.esi.router.id.generated._case.RouterIdGenerated;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev171213.esi.esi.router.id.generated._case.RouterIdGeneratedBuilder;
  24 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  25
  26 final class RouterIdParser extends AbstractEsiType {
  27
  28     @Override
  29     public void serializeBody(final Esi esi, final ByteBuf body) {
  30         Preconditions.checkArgument(esi instanceof RouterIdGeneratedCase, "Unknown esi instance. Passed %s. Needed RouterIdGeneratedCase.", esi.getClass());
  31         final RouterIdGenerated routerID = ((RouterIdGeneratedCase) esi).getRouterIdGenerated();
  32         ByteBufWriteUtil.writeIpv4Address(routerID.getRouterId(), body);
  33         ByteBufWriteUtil.writeUnsignedInt(routerID.getLocalDiscriminator(), body);
  34         body.writeZero(ZERO_BYTE);
  35     }
  36
  37     @Override
  38     protected EsiType getType() {
  39         return EsiType.RouterIdGenerated;
  40     }
  41
  42     @Override
  43     public Esi serializeEsi(final ContainerNode esi) {
  44         final RouterIdGeneratedBuilder builder = new RouterIdGeneratedBuilder();
  45         builder.setLocalDiscriminator(extractLD(esi));
  46         builder.setRouterId(extractRD(esi));
  47         return new RouterIdGeneratedCaseBuilder().setRouterIdGenerated(builder.build()).build();
  48     }
  49
  50     @Override
  51     public Esi parseEsi(final ByteBuf buffer) {
  52         final RouterIdGenerated routerID = new RouterIdGeneratedBuilder().setRouterId(Ipv4Util.addressForByteBuf(buffer))
  53             .setLocalDiscriminator(buffer.readUnsignedInt()).build();
  54         return new RouterIdGeneratedCaseBuilder().setRouterIdGenerated(routerID).build();
  55     }
  56 }