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