openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/match/TunnelIpv4SourceEntrySerializer.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.TunnelIpv4Match;
  19
  20 public class TunnelIpv4SourceEntrySerializer extends AbstractMatchEntrySerializer {
  21
  22     @Override
  23     public void serialize(Match match, ByteBuf outBuffer) {
  24         super.serialize(match, outBuffer);
  25         // TODO: Why is this serialization exactly same as in Ipv4SourceEntrySerializer?
  26         writeIpv4Prefix(TunnelIpv4Match.class.cast(match.getLayer3Match()).getTunnelIpv4Source(), outBuffer);
  27     }
  28
  29     @Override
  30     public boolean matchTypeCheck(Match match) {
  31         return Objects.nonNull(match.getLayer3Match()) &&
  32                 TunnelIpv4Match.class.isInstance(match.getLayer3Match()) &&
  33                 Objects.nonNull(TunnelIpv4Match.class.cast(match.getLayer3Match()).getTunnelIpv4Source());
  34     }
  35
  36     @Override
  37     protected boolean getHasMask(Match match) {
  38         // Split address to IP and mask
  39         final Iterator<String> addressParts = IpConversionUtil.splitToParts(
  40                 TunnelIpv4Match.class.cast(match.getLayer3Match()).getTunnelIpv4Source());
  41         addressParts.next();
  42
  43         // Check if we have mask
  44         return addressParts.hasNext() && Integer.parseInt(addressParts.next()) < 32;
  45     }
  46
  47     @Override
  48     protected int getOxmFieldCode() {
  49         return OxmMatchConstants.IPV4_SRC;
  50     }
  51
  52     @Override
  53     protected int getOxmClassCode() {
  54         return OxmMatchConstants.OPENFLOW_BASIC_CLASS;
  55     }
  56
  57     @Override
  58     protected int getValueLength() {
  59         return EncodeConstants.SIZE_OF_INT_IN_BYTES;
  60     }
  61
  62 }