bgp/extensions/evpn/src/main/java/org/opendaylight/protocol/bgp/evpn/impl/esi/types/MacParser.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.extractSystmeMac;
  12 import static org.opendaylight.protocol.bgp.evpn.impl.esi.types.EsiModelUtil.extractUint24LD;
  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.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  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.MacAutoGeneratedCase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.MacAutoGeneratedCaseBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.mac.auto.generated._case.MacAutoGenerated;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev180329.esi.esi.mac.auto.generated._case.MacAutoGeneratedBuilder;
  24 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  25
  26 final class MacParser extends AbstractEsiType {
  27
  28     @Override
  29     public ByteBuf serializeBody(final Esi esi, final ByteBuf body) {
  30         checkArgument(esi instanceof MacAutoGeneratedCase,
  31             "Unknown esi instance. Passed %s. Needed MacAutoGeneratedCase.", esi.getClass());
  32         final MacAutoGenerated macAuto = ((MacAutoGeneratedCase) esi).getMacAutoGenerated();
  33         body.writeBytes(IetfYangUtil.INSTANCE.macAddressBytes(macAuto.getSystemMacAddress()));
  34         body.writeMedium(macAuto.getLocalDiscriminator().getValue().intValue());
  35         return body;
  36     }
  37
  38     @Override
  39     protected EsiType getType() {
  40         return EsiType.MacAutoGenerated;
  41     }
  42
  43     @Override
  44     public Esi serializeEsi(final ContainerNode esi) {
  45         return new MacAutoGeneratedCaseBuilder()
  46                 .setMacAutoGenerated(new MacAutoGeneratedBuilder()
  47                     .setSystemMacAddress(extractSystmeMac(esi))
  48                     .setLocalDiscriminator(extractUint24LD(esi))
  49                     .build())
  50                 .build();
  51     }
  52
  53     @Override
  54     public Esi parseEsi(final ByteBuf buffer) {
  55         return new MacAutoGeneratedCaseBuilder()
  56                 .setMacAutoGenerated(new MacAutoGeneratedBuilder()
  57                     .setSystemMacAddress(IetfYangUtil.INSTANCE.macAddressFor(
  58                         ByteArray.readBytes(buffer, MAC_ADDRESS_LENGTH)))
  59                     .setLocalDiscriminator(ByteBufUtils.readUint24(buffer))
  60                     .build())
  61                 .build();
  62     }
  63 }