bgp/extensions/evpn/src/main/java/org/opendaylight/protocol/bgp/evpn/impl/esi/types/LanParser.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.extractBP;
  12 import static org.opendaylight.protocol.bgp.evpn.impl.esi.types.EsiModelUtil.extractBrigeMac;
  13
  14 import io.netty.buffer.ByteBuf;
  15 import org.opendaylight.protocol.util.ByteArray;
  16 import org.opendaylight.protocol.util.ByteBufUtils;
  17 import org.opendaylight.protocol.util.ByteBufWriteUtil;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.EsiType;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.Esi;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.LanAutoGeneratedCase;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.LanAutoGeneratedCaseBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.lan.auto.generated._case.LanAutoGenerated;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.lan.auto.generated._case.LanAutoGeneratedBuilder;
  25 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  26
  27 final class LanParser extends AbstractEsiType {
  28
  29     @Override
  30     public ByteBuf serializeBody(final Esi esi, final ByteBuf body) {
  31         checkArgument(esi instanceof LanAutoGeneratedCase,
  32             "Unknown esi instance. Passed %s. Needed LanAutoGeneratedCase.", esi);
  33         final LanAutoGenerated lan = ((LanAutoGeneratedCase) esi).getLanAutoGenerated();
  34         body.writeBytes(IetfYangUtil.INSTANCE.bytesFor(lan.getRootBridgeMacAddress()));
  35         ByteBufWriteUtil.writeUnsignedShort(lan.getRootBridgePriority(), body);
  36         return body.writeZero(ZERO_BYTE);
  37     }
  38
  39     @Override
  40     protected EsiType getType() {
  41         return EsiType.LanAutoGenerated;
  42     }
  43
  44     @Override
  45     public Esi serializeEsi(final ContainerNode esi) {
  46         return new LanAutoGeneratedCaseBuilder()
  47                 .setLanAutoGenerated(new LanAutoGeneratedBuilder()
  48                     .setRootBridgeMacAddress(extractBrigeMac(esi))
  49                     .setRootBridgePriority(extractBP(esi))
  50                     .build())
  51                 .build();
  52     }
  53
  54     @Override
  55     public Esi parseEsi(final ByteBuf buffer) {
  56         return new LanAutoGeneratedCaseBuilder()
  57                 .setLanAutoGenerated(new LanAutoGeneratedBuilder()
  58                     .setRootBridgeMacAddress(IetfYangUtil.INSTANCE.macAddressFor(
  59                         ByteArray.readBytes(buffer, MAC_ADDRESS_LENGTH)))
  60                     .setRootBridgePriority(ByteBufUtils.readUint16(buffer))
  61                     .build())
  62                 .build();
  63     }
  64 }