openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/match/AbstractOxmIpv4AddressDeserializer.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.inet.types.rev100924.Ipv4Address;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntryBuilder;
  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 AbstractOxmIpv4AddressDeserializer extends AbstractOxmMatchEntryDeserializer
  26         implements OFDeserializer<MatchEntries> {
  27
  28     @Override
  29     public MatchEntries deserialize(final ByteBuf input) {
  30         MatchEntriesBuilder builder = processHeader(getOxmClass(), getOxmField(), input);
  31         addIpv4AddressAugmentation(builder, input);
  32         if (builder.isHasMask()) {
  33             OxmMaskDeserializer.addMaskAugmentation(builder, input, EncodeConstants.SIZE_OF_INT_IN_BYTES);
  34         }
  35         return builder.build();
  36     }
  37
  38     private static void addIpv4AddressAugmentation(final MatchEntriesBuilder builder, final ByteBuf input) {
  39         Ipv4AddressMatchEntryBuilder ipv4AddressBuilder = new Ipv4AddressMatchEntryBuilder();
  40         ipv4AddressBuilder.setIpv4Address(new Ipv4Address(ByteBufUtils.readIpv4Address(input)));
  41         builder.addAugmentation(Ipv4AddressMatchEntry.class, ipv4AddressBuilder.build());
  42     }
  43 }