openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/deserialization/MultipartDeserializerInjector.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;
  10
  11 import com.google.common.annotations.VisibleForTesting;
  12 import java.util.function.Consumer;
  13 import java.util.function.Function;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerExtensionProvider;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  16 import org.opendaylight.openflowjava.protocol.api.keys.MessageCodeKey;
  17 import org.opendaylight.openflowjava.protocol.api.keys.TypeToClassKey;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyDescDeserializer;
  20 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyExperimenterDeserializer;
  21 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyFlowAggregateStatsDeserializer;
  22 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyFlowStatsDeserializer;
  23 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyFlowTableStatsDeserializer;
  24 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyGroupDescDeserializer;
  25 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyGroupFeaturesDeserializer;
  26 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyGroupStatsDeserializer;
  27 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyMessageDeserializer;
  28 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyMeterConfigDeserializer;
  29 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyMeterFeaturesDeserializer;
  30 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyMeterStatsDeserializer;
  31 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyPortDescDeserializer;
  32 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyPortStatsDeserializer;
  33 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyQueueStatsDeserializer;
  34 import org.opendaylight.openflowplugin.impl.protocol.deserialization.multipart.MultipartReplyTableFeaturesDeserializer;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartReply;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  39
  40 public class MultipartDeserializerInjector {
  41
  42     /**
  43      * Injects message deserializers into provided {@link org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerExtensionProvider}
  44      * @param provider OpenflowJava deserializer extension provider
  45      */
  46     static void injectDeserializers(final DeserializerExtensionProvider provider) {
  47         final short version = EncodeConstants.OF13_VERSION_ID;
  48
  49         // Inject main multipart reply deserializer
  50         injectMultipartReplyDeserializer(provider, version);
  51
  52         // Inject new multipart body deserializers here using injector created by createInjector method
  53         final Function<Integer, Consumer<OFDeserializer<? extends MultipartReplyBody>>> injector =
  54                 createInjector(provider, version);
  55         injector.apply(MultipartType.OFPMPDESC.getIntValue()).accept(new MultipartReplyDescDeserializer());
  56         injector.apply(MultipartType.OFPMPFLOW.getIntValue()).accept(new MultipartReplyFlowStatsDeserializer());
  57         injector.apply(MultipartType.OFPMPAGGREGATE.getIntValue()).accept(new MultipartReplyFlowAggregateStatsDeserializer());
  58         injector.apply(MultipartType.OFPMPTABLE.getIntValue()).accept(new MultipartReplyFlowTableStatsDeserializer());
  59         injector.apply(MultipartType.OFPMPPORTSTATS.getIntValue()).accept(new MultipartReplyPortStatsDeserializer());
  60         injector.apply(MultipartType.OFPMPQUEUE.getIntValue()).accept(new MultipartReplyQueueStatsDeserializer());
  61         injector.apply(MultipartType.OFPMPGROUP.getIntValue()).accept(new MultipartReplyGroupStatsDeserializer());
  62         injector.apply(MultipartType.OFPMPGROUPDESC.getIntValue()).accept(new MultipartReplyGroupDescDeserializer());
  63         injector.apply(MultipartType.OFPMPGROUPFEATURES.getIntValue()).accept(new MultipartReplyGroupFeaturesDeserializer());
  64         injector.apply(MultipartType.OFPMPMETER.getIntValue()).accept(new MultipartReplyMeterStatsDeserializer());
  65         injector.apply(MultipartType.OFPMPMETERCONFIG.getIntValue()).accept(new MultipartReplyMeterConfigDeserializer());
  66         injector.apply(MultipartType.OFPMPMETERFEATURES.getIntValue()).accept(new MultipartReplyMeterFeaturesDeserializer());
  67         injector.apply(MultipartType.OFPMPTABLEFEATURES.getIntValue()).accept(new MultipartReplyTableFeaturesDeserializer());
  68         injector.apply(MultipartType.OFPMPPORTDESC.getIntValue()).accept(new MultipartReplyPortDescDeserializer());
  69         injector.apply(MultipartType.OFPMPEXPERIMENTER.getIntValue()).accept(new MultipartReplyExperimenterDeserializer());
  70     }
  71
  72     /**
  73      * Register main multipart reply deserializer
  74      * @param provider OpenflowJava deserializer extension provider
  75      * @param version Openflow version
  76      */
  77     static void injectMultipartReplyDeserializer(final DeserializerExtensionProvider provider, final short version) {
  78         final short code = 19;
  79         final Class<? extends OfHeader> retType = MultipartReply.class;
  80         provider.unregisterDeserializerMapping(new TypeToClassKey(version, code));
  81         provider.registerDeserializerMapping(new TypeToClassKey(version, code), retType);
  82         provider.registerDeserializer(
  83                 new MessageCodeKey(version, code, retType),
  84                 new MultipartReplyMessageDeserializer());
  85     }
  86
  87     /**
  88      * Create injector that will inject new deserializers into #{@link org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerExtensionProvider}
  89      * @param provider OpenflowJava deserializer extension provider
  90      * @param version Openflow version
  91      * @return injector
  92      */
  93     @VisibleForTesting
  94     static Function<Integer, Consumer<OFDeserializer<? extends MultipartReplyBody>>> createInjector(
  95             final DeserializerExtensionProvider provider,
  96             final short version) {
  97         return code -> deserializer -> {
  98             provider.registerDeserializer(
  99                     new MessageCodeKey(version, code, MultipartReplyBody.class),
 100                     deserializer);
 101         };
 102     }
 103
 104 }