groupbasedpolicy/src/main/java/org/opendaylight/groupbasedpolicy/renderer/ofoverlay/sf/EtherTypeClassifier.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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.groupbasedpolicy.renderer.ofoverlay.sf;
  10
  11 import java.util.List;
  12 import java.util.Map;
  13
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ClassifierDefinitionId;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ClassifierName;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Description;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ParameterName;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definition.ParameterBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definition.Parameter.IsRequired;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definition.Parameter.Type;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definitions.ClassifierDefinition;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.definitions.ClassifierDefinitionBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetTypeBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatchBuilder;
  27
  28 import com.google.common.collect.ImmutableList;
  29
  30 /**
  31  * Match on the ether type of the traffic
  32  */
  33 public class EtherTypeClassifier extends Classifier {
  34     public static final ClassifierDefinitionId ID =
  35             new ClassifierDefinitionId("6a48ab45-a462-429d-b18c-3a575b2c8bef");
  36     protected static final String TYPE = "type";
  37     protected static final ClassifierDefinition DEF =
  38             new ClassifierDefinitionBuilder()
  39                 .setId(ID)
  40                 .setName(new ClassifierName("ether_type"))
  41                 .setDescription(new Description("Match on the ether type of the traffic"))
  42                 .setParameter(ImmutableList.of(new ParameterBuilder()
  43                     .setName(new ParameterName(TYPE))
  44                     .setDescription(new Description("The ethertype to match against"))
  45                     .setIsRequired(IsRequired.Required)
  46                     .setType(Type.Int)
  47                     .build()))
  48                 .build();
  49
  50     @Override
  51     public ClassifierDefinitionId getId() {
  52         return ID;
  53     }
  54
  55     @Override
  56     public ClassifierDefinition getClassDef() {
  57         return DEF;
  58     }
  59
  60     @Override
  61     public List<MatchBuilder> updateMatch(List<MatchBuilder> matches,
  62                                           Map<String, Object> params) {
  63         Object t = params.get(TYPE);
  64         // XXX TODO generate exception and fail the match
  65         if (t == null || !(t instanceof Long)) return matches;
  66         Long type = (Long)t;
  67         for (MatchBuilder match : matches) {
  68             EthernetMatchBuilder em;
  69             if (match.getEthernetMatch() != null)
  70                 em = new EthernetMatchBuilder(match.getEthernetMatch());
  71             else
  72                 em = new EthernetMatchBuilder();
  73             em.setEthernetType(new EthernetTypeBuilder()
  74                 .setType(new EtherType(type)).build());
  75             match.setEthernetMatch(em.build());
  76         }
  77         return matches;
  78     }
  79
  80 }