openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/match/ArpTargetTransportAddressEntrySerializer.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.openflowplugin.impl.protocol.serialization.match;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.Iterator;
  13 import java.util.Objects;
  14 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  15 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatch;
  19
  20 public class ArpTargetTransportAddressEntrySerializer extends AbstractMatchEntrySerializer {
  21
  22     @Override
  23     public void serialize(Match match, ByteBuf outBuffer) {
  24         super.serialize(match, outBuffer);
  25         writeIpv4Prefix(((ArpMatch) match.getLayer3Match()).getArpTargetTransportAddress(), outBuffer);
  26     }
  27
  28     @Override
  29     public boolean matchTypeCheck(Match match) {
  30         return Objects.nonNull(match.getLayer3Match())
  31                 && match.getLayer3Match() instanceof ArpMatch
  32                 && Objects.nonNull(((ArpMatch) match.getLayer3Match()).getArpTargetTransportAddress());
  33     }
  34
  35     @Override
  36     protected boolean getHasMask(Match match) {
  37         // Split address to IP and mask
  38         final Iterator<String> addressParts = IpConversionUtil.splitToParts(
  39                 ((ArpMatch) match.getLayer3Match()).getArpTargetTransportAddress());
  40         addressParts.next();
  41
  42         // Check if we have mask
  43         return addressParts.hasNext() && Integer.parseInt(addressParts.next()) < 32;
  44     }
  45
  46     @Override
  47     protected int getOxmFieldCode() {
  48         return OxmMatchConstants.ARP_TPA;
  49     }
  50
  51     @Override
  52     protected int getOxmClassCode() {
  53         return OxmMatchConstants.OPENFLOW_BASIC_CLASS;
  54     }
  55
  56     @Override
  57     protected int getValueLength() {
  58         return EncodeConstants.SIZE_OF_INT_IN_BYTES;
  59     }
  60
  61 }