openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/match/AbstractOxmMacAddressDeserializer.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. 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.openflowjava.protocol.impl.deserialization.match;
   9
  10 import io.netty.buffer.ByteBuf;
  11
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  13 import org.opendaylight.openflowjava.util.ByteBufUtils;
  14 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntry;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MacAddressMatchEntryBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;
  20
  21 /**
  22  * @author michal.polkorab
  23  *
  24  */
  25 public abstract class AbstractOxmMacAddressDeserializer extends AbstractOxmMatchEntryDeserializer
  26         implements OFDeserializer<MatchEntries> {
  27
  28     @Override
  29     public MatchEntries deserialize(ByteBuf input) {
  30         MatchEntriesBuilder builder = processHeader(getOxmClass(), getOxmField(), input);
  31         addMacAddressAugmentation(builder, input);
  32         if (builder.isHasMask()) {
  33             OxmMaskDeserializer.addMaskAugmentation(builder, input, EncodeConstants.MAC_ADDRESS_LENGTH);
  34         }
  35         return builder.build();
  36     }
  37
  38     private static void addMacAddressAugmentation(MatchEntriesBuilder builder, ByteBuf input) {
  39         MacAddressMatchEntryBuilder macAddress = new MacAddressMatchEntryBuilder();
  40         byte[] address = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
  41         input.readBytes(address);
  42         macAddress.setMacAddress(new MacAddress(ByteBufUtils.macAddressToString(address)));
  43         builder.addAugmentation(MacAddressMatchEntry.class, macAddress.build());
  44     }
  45 }