openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/deserialization/match/UdpSourcePortEntryDeserializer.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.deserialization.match;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.Objects;
  13 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatch;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatchBuilder;
  17
  18 public class UdpSourcePortEntryDeserializer extends AbstractMatchEntryDeserializer {
  19
  20     @Override
  21     public void deserializeEntry(ByteBuf message, MatchBuilder builder) {
  22         processHeader(message);
  23         final int port = message.readUnsignedShort();
  24
  25         if (Objects.isNull(builder.getLayer4Match())) {
  26             builder.setLayer4Match(new UdpMatchBuilder()
  27                     .setUdpSourcePort(new PortNumber(port))
  28                     .build());
  29         } else if (builder.getLayer4Match() instanceof UdpMatch
  30             && Objects.isNull(((UdpMatch) builder.getLayer4Match()).getUdpSourcePort())) {
  31             builder.setLayer4Match(new UdpMatchBuilder((UdpMatch) builder.getLayer4Match())
  32                     .setUdpSourcePort(new PortNumber(port))
  33                     .build());
  34         } else {
  35             throwErrorOnMalformed(builder, "layer4Match", "udpSourcePort");
  36         }
  37     }
  38
  39 }