2 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
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4 * This program and the accompanying materials are made available under the
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5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
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6 * and is available at http://www.eclipse.org/legal/epl-v10.html
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9 package org.opendaylight.openflowjava.protocol.impl.deserialization.action;
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11 import io.netty.buffer.ByteBuf;
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13 import java.util.ArrayList;
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14 import java.util.List;
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16 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
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17 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
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18 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
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19 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
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20 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmFieldsAction;
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22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmFieldsActionBuilder;
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23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetField;
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24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;
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25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.ActionBuilder;
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26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionBase;
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27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
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30 * @author michal.polkorab
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33 public class OF13SetFieldActionDeserializer extends AbstractActionDeserializer
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34 implements DeserializerRegistryInjector {
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36 private DeserializerRegistry registry;
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39 public Action deserialize(ByteBuf input) {
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40 ActionBuilder builder = new ActionBuilder();
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41 builder.setType(getType());
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42 int startIndex = input.readerIndex();
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43 input.skipBytes(2 * EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
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44 OxmFieldsActionBuilder matchEntries = new OxmFieldsActionBuilder();
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45 int oxmClass = input.getUnsignedShort(input.readerIndex());
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46 // get oxm_field & hasMask byte and extract the field value
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47 int oxmField = input.getUnsignedByte(input.readerIndex()
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48 + EncodeConstants.SIZE_OF_SHORT_IN_BYTES) >>> 1;
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49 MatchEntryDeserializerKey key = new MatchEntryDeserializerKey(EncodeConstants.OF13_VERSION_ID,
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50 oxmClass, oxmField);
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51 if (oxmClass == EncodeConstants.EXPERIMENTER_VALUE) {
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52 long expId = input.getUnsignedInt(input.readerIndex() + EncodeConstants.SIZE_OF_SHORT_IN_BYTES
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53 + 2 * EncodeConstants.SIZE_OF_BYTE_IN_BYTES);
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54 key.setExperimenterId(expId);
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56 OFDeserializer<MatchEntries> matchDeserializer = registry.getDeserializer(key);
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57 List<MatchEntries> entry = new ArrayList<>();
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58 entry.add(matchDeserializer.deserialize(input));
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59 matchEntries.setMatchEntries(entry);
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60 builder.addAugmentation(OxmFieldsAction.class, matchEntries.build());
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61 int paddingRemainder = (input.readerIndex() - startIndex) % EncodeConstants.PADDING;
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62 if (paddingRemainder != 0) {
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63 input.skipBytes(EncodeConstants.PADDING - paddingRemainder);
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65 return builder.build();
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69 protected Class<? extends ActionBase> getType() {
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70 return SetField.class;
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74 public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
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75 this.registry = deserializerRegistry;
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