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
   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.rev180329.EsiType;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.Esi;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.RouterIdGeneratedCase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.RouterIdGeneratedCaseBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.router.id.generated._case.RouterIdGenerated;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.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,
  31                 "Unknown esi instance. Passed %s. Needed RouterIdGeneratedCase.", esi.getClass());
  32         final RouterIdGenerated routerID = ((RouterIdGeneratedCase) esi).getRouterIdGenerated();
  33         ByteBufWriteUtil.writeIpv4Address(routerID.getRouterId(), body);
  34         ByteBufWriteUtil.writeUnsignedInt(routerID.getLocalDiscriminator(), body);
  35         body.writeZero(ZERO_BYTE);
  36     }
  37
  38     @Override
  39     protected EsiType getType() {
  40         return EsiType.RouterIdGenerated;
  41     }
  42
  43     @Override
  44     public Esi serializeEsi(final ContainerNode esi) {
  45         final RouterIdGeneratedBuilder builder = new RouterIdGeneratedBuilder();
  46         builder.setLocalDiscriminator(extractLD(esi));
  47         builder.setRouterId(extractRD(esi));
  48         return new RouterIdGeneratedCaseBuilder().setRouterIdGenerated(builder.build()).build();
  49     }
  50
  51     @Override
  52     public Esi parseEsi(final ByteBuf buffer) {
  53         final RouterIdGenerated routerID = new RouterIdGeneratedBuilder()
  54                 .setRouterId(Ipv4Util.addressForByteBuf(buffer))
  55             .setLocalDiscriminator(buffer.readUnsignedInt()).build();
  56         return new RouterIdGeneratedCaseBuilder().setRouterIdGenerated(routerID).build();
  57     }
  58 }