openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/match/OxmTunnelIdDeserializer.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.protocol.api.util.EncodeConstants;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmClassBase;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.TunnelId;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.TunnelIdCaseBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.tunnel.id._case.TunnelIdBuilder;
  22
  23 /**
  24  * @author michal.polkorab
  25  *
  26  */
  27 public class OxmTunnelIdDeserializer extends AbstractOxmMatchEntryDeserializer
  28         implements OFDeserializer<MatchEntry> {
  29
  30     @Override
  31     public MatchEntry deserialize(ByteBuf input) {
  32         MatchEntryBuilder builder = processHeader(getOxmClass(), getOxmField(), input);
  33         addTunnelIdValue(input, builder);
  34         return builder.build();
  35     }
  36
  37     private static void addTunnelIdValue(ByteBuf input, MatchEntryBuilder builder) {
  38         TunnelIdCaseBuilder caseBuilder = new TunnelIdCaseBuilder();
  39         TunnelIdBuilder tunnelIdBuilder = new TunnelIdBuilder();
  40         byte[] metadataBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
  41         input.readBytes(metadataBytes);
  42         tunnelIdBuilder.setTunnelId(metadataBytes);
  43         if (builder.isHasMask()) {
  44             tunnelIdBuilder.setMask(OxmDeserializerHelper
  45                     .convertMask(input, EncodeConstants.SIZE_OF_LONG_IN_BYTES));
  46         }
  47         caseBuilder.setTunnelId(tunnelIdBuilder.build());
  48         builder.setMatchEntryValue(caseBuilder.build());
  49     }
  50
  51     @Override
  52     protected Class<? extends MatchField> getOxmField() {
  53         return TunnelId.class;
  54     }
  55
  56     @Override
  57     protected Class<? extends OxmClassBase> getOxmClass() {
  58         return OpenflowBasicClass.class;
  59     }
  60 }