openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/GroupModInputMessageFactory.java

   1 /*
   2  * Copyright (c) 2015 NetIDE Consortium 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.factories;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  16 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  17 import org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMaker;
  18 import org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMakerFactory;
  19 import org.opendaylight.openflowjava.protocol.impl.util.ListDeserializer;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupType;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInput;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInputBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsList;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsListBuilder;
  29
  30 /**
  31  * @author giuseppex.petralia@intel.com
  32  *
  33  */
  34 public class GroupModInputMessageFactory implements OFDeserializer<GroupModInput>, DeserializerRegistryInjector {
  35
  36     private DeserializerRegistry registry;
  37     private static final byte PADDING = 1;
  38     private static final byte PADDING_IN_BUCKETS_HEADER = 4;
  39     private static final byte BUCKETS_HEADER_LENGTH = 16;
  40
  41     @Override
  42     public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
  43         registry = deserializerRegistry;
  44     }
  45
  46     @Override
  47     public GroupModInput deserialize(ByteBuf rawMessage) {
  48         GroupModInputBuilder builder = new GroupModInputBuilder();
  49         builder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
  50         builder.setXid(rawMessage.readUnsignedInt());
  51         builder.setCommand(GroupModCommand.forValue(rawMessage.readUnsignedShort()));
  52         builder.setType(GroupType.forValue(rawMessage.readUnsignedByte()));
  53         rawMessage.skipBytes(PADDING);
  54         builder.setGroupId(new GroupId(rawMessage.readUnsignedInt()));
  55         List<BucketsList> bucketsList = new ArrayList<>();
  56         while (rawMessage.readableBytes() > 0) {
  57             BucketsListBuilder bucketsBuilder = new BucketsListBuilder();
  58             int bucketsLength = rawMessage.readUnsignedShort();
  59             bucketsBuilder.setWeight(rawMessage.readUnsignedShort());
  60             bucketsBuilder.setWatchPort(new PortNumber(rawMessage.readUnsignedInt()));
  61             bucketsBuilder.setWatchGroup(rawMessage.readUnsignedInt());
  62             rawMessage.skipBytes(PADDING_IN_BUCKETS_HEADER);
  63             CodeKeyMaker keyMaker = CodeKeyMakerFactory.createActionsKeyMaker(EncodeConstants.OF13_VERSION_ID);
  64             List<Action> actions = ListDeserializer.deserializeList(EncodeConstants.OF13_VERSION_ID,
  65                     bucketsLength - BUCKETS_HEADER_LENGTH, rawMessage, keyMaker, registry);
  66             bucketsBuilder.setAction(actions);
  67             bucketsList.add(bucketsBuilder.build());
  68         }
  69         builder.setBucketsList(bucketsList);
  70         return builder.build();
  71     }
  72
  73 }