1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
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2 package org.opendaylight.openflowjava.protocol.impl.util;
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4 import io.netty.buffer.ByteBuf;
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6 import java.util.ArrayList;
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7 import java.util.List;
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9 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthertypeAction;
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10 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthertypeActionBuilder;
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11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterAction;
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12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterActionBuilder;
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13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.GroupIdAction;
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14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.GroupIdActionBuilder;
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15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthAction;
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16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthActionBuilder;
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17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsTtlAction;
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18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsTtlActionBuilder;
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19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NwTtlAction;
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20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NwTtlActionBuilder;
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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.augments.rev131002.PortAction;
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24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortActionBuilder;
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25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.QueueIdAction;
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26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.QueueIdActionBuilder;
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27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.CopyTtlIn;
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28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.CopyTtlOut;
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29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.DecMplsTtl;
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30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.DecNwTtl;
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31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Experimenter;
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32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Group;
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33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Output;
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34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopMpls;
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35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopPbb;
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36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopVlan;
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37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushMpls;
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38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushPbb;
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39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushVlan;
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40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetField;
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41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetMplsTtl;
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42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetNwTtl;
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43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetQueue;
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44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsList;
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45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsListBuilder;
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46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.actions.list.ActionBuilder;
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47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType;
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48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
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51 * Class for easy deserialization of actions
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53 * @author timotej.kubas
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54 * @author michal.polkorab
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56 public abstract class ActionsDeserializer {
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57 private static ActionBuilder actionBuilder = new ActionBuilder();
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58 private static ActionsListBuilder actionsListBuilder = new ActionsListBuilder();
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59 private static List<ActionsList> actionsList = new ArrayList<>();
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62 * @param input input ByteBuf
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63 * @param bucketsLength length of buckets
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64 * @return ActionsList
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66 public static List<ActionsList> createActionsList(ByteBuf input, int bucketsLength) {
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67 final byte BUCKET_HEADER_LENGTH = 16;
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68 final byte ACTION_HEADER_LENGTH = 4;
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69 int bucketsCurrentLength = BUCKET_HEADER_LENGTH;
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70 int actionsLength = 0;
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72 while (bucketsCurrentLength < bucketsLength) {
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73 switch(input.readUnsignedShort()) {
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74 case 0: actionsLength = input.readUnsignedShort(); //outputActionLength
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75 actionsList.add(ActionsDeserializer.createOutputAction(input));
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78 actionsLength = input.readUnsignedShort();//empty header length
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79 actionsList.add(ActionsDeserializer.createCopyTtlOutAction(input));
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83 actionsLength = input.readUnsignedShort();//empty header length
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84 actionsList.add(ActionsDeserializer.createCopyTtlInAction(input));
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88 actionsLength = input.readUnsignedShort();//empty header length
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89 actionsList.add(ActionsDeserializer.createSetMplsTtlAction(input));
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93 actionsLength = input.readUnsignedShort();//empty header length
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94 actionsList.add(ActionsDeserializer.createDecMplsTtlOutAction(input));
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98 actionsLength = input.readUnsignedShort();
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99 actionsList.add(ActionsDeserializer.createPushVlanAction(input));
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103 actionsLength = input.readUnsignedShort();//empty header length
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104 actionsList.add(ActionsDeserializer.createPopVlanAction(input));
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108 actionsLength = input.readUnsignedShort();//8
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109 actionsList.add(ActionsDeserializer.createPushMplsAction(input));
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113 actionsLength = input.readUnsignedShort();//8
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114 actionsList.add(ActionsDeserializer.createPopMplsAction(input));
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118 actionsLength = input.readUnsignedShort();
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119 actionsList.add(ActionsDeserializer.createSetQueueAction(input));
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123 actionsLength = input.readUnsignedShort();//8
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124 actionsList.add(ActionsDeserializer.createGroupAction(input));
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128 actionsLength = input.readUnsignedShort();//8
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129 actionsList.add(ActionsDeserializer.createSetNwTtlAction(input));
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133 actionsLength = input.readUnsignedShort();//empty header length
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134 actionsList.add(ActionsDeserializer.createDecNwTtlAction(input));
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138 actionsLength = input.readUnsignedShort();//8
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139 actionsList.add(ActionsDeserializer.createSetFieldAction(input,
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140 actionsLength - ACTION_HEADER_LENGTH));
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143 actionsLength = input.readUnsignedShort();//8
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144 actionsList.add(ActionsDeserializer.createPushPbbAction(input));
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148 actionsLength = input.readUnsignedShort();//empty header length
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149 actionsList.add(ActionsDeserializer.createPopPbbAction(input));
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153 actionsLength = input.readUnsignedShort();
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154 actionsList.add(ActionsDeserializer.createExperimenterAction(input));
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159 bucketsCurrentLength += actionsLength;
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161 return actionsList;
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166 * @param action input action that contains empty header
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167 * @param in input ByteBuf
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170 private static ActionsList createEmptyHeader(Class<? extends org.opendaylight.yang.gen.v1.
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171 urn.opendaylight.openflow.common.types.rev130731.Action> action, ByteBuf in) {
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172 final byte PADDING_IN_ACTIONS_HEADER = 4;
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174 actionBuilder.setType(action);
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175 in.skipBytes(PADDING_IN_ACTIONS_HEADER);
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176 actionsListBuilder.setAction(actionBuilder.build());
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177 return actionsListBuilder.build();
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181 * @param in input ByteBuf
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184 public static ActionsList createCopyTtlInAction(ByteBuf in) {
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185 return createEmptyHeader(CopyTtlIn.class, in);
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189 * @param in input ByteBuf
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192 public static ActionsList createCopyTtlOutAction(ByteBuf in) {
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193 return createEmptyHeader(CopyTtlOut.class, in);
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197 * @param in input ByteBuf
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200 public static ActionsList createDecMplsTtlOutAction(ByteBuf in) {
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201 return createEmptyHeader(DecMplsTtl.class, in);
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205 * @param in input ByteBuf
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208 public static ActionsList createPopVlanAction(ByteBuf in) {
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209 return createEmptyHeader(PopVlan.class, in);
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213 * @param in input ByteBuf
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216 public static ActionsList createDecNwTtlAction(ByteBuf in) {
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217 return createEmptyHeader(DecNwTtl.class, in);
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221 * @param in input ByteBuf
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224 public static ActionsList createPopPbbAction(ByteBuf in) {
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225 return createEmptyHeader(PopPbb.class, in);
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229 * @param in input ByteBuf
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230 * @return ActionList
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232 public static ActionsList createOutputAction(ByteBuf in) {
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233 final byte PADDING_IN_OUTPUT_ACTIONS_HEADER = 6;
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235 actionBuilder.setType(Output.class);
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236 PortActionBuilder port = new PortActionBuilder();
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237 port.setPort(new PortNumber(in.readUnsignedInt()));
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238 actionBuilder.addAugmentation(PortAction.class, port.build());
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239 MaxLengthActionBuilder maxLen = new MaxLengthActionBuilder();
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240 maxLen.setMaxLength(in.readUnsignedShort());
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241 actionBuilder.addAugmentation(MaxLengthAction.class, maxLen.build());
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242 actionsListBuilder.setAction(actionBuilder.build());
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243 in.skipBytes(PADDING_IN_OUTPUT_ACTIONS_HEADER);
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245 return actionsListBuilder.build();
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249 * @param in input ByteBuf
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250 * @return ActionList
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252 public static ActionsList createSetMplsTtlAction(ByteBuf in) {
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253 final byte PADDING_IN_SET_MPLS_TTL_ACTIONS_HEADER = 3;
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255 actionBuilder.setType(SetMplsTtl.class);
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256 MplsTtlActionBuilder mplsTtl = new MplsTtlActionBuilder();
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257 mplsTtl.setMplsTtl(in.readUnsignedByte());
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258 actionBuilder.addAugmentation(MplsTtlAction.class, mplsTtl.build());
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259 actionsListBuilder.setAction(actionBuilder.build());
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260 in.skipBytes(PADDING_IN_SET_MPLS_TTL_ACTIONS_HEADER);
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262 return actionsListBuilder.build();
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266 * @param action input action that contains push
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267 * @param in input ByteBuf
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268 * @return ActionList
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270 private static ActionsList createPushAction(Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Action> action, ByteBuf in) {
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271 final byte PADDING_IN_PUSH_VLAN_ACTIONS_HEADER = 2;
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273 actionBuilder.setType(action);
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274 EthertypeActionBuilder etherType = new EthertypeActionBuilder();
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275 etherType.setEthertype(new EtherType(in.readUnsignedShort()));
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276 actionBuilder.addAugmentation(EthertypeAction.class, etherType.build());
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277 actionsListBuilder.setAction(actionBuilder.build());
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278 in.skipBytes(PADDING_IN_PUSH_VLAN_ACTIONS_HEADER);
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280 return actionsListBuilder.build();
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284 * @param in input ByteBuf
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287 public static ActionsList createPushVlanAction(ByteBuf in) {
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288 return createPushAction(PushVlan.class, in);
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292 * @param in input ByteBuf
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295 public static ActionsList createPushMplsAction(ByteBuf in) {
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296 return createPushAction(PushMpls.class, in);
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300 * @param in input ByteBuf
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303 public static ActionsList createPopMplsAction(ByteBuf in) {
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304 return createPushAction(PopMpls.class, in);
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308 * @param in input ByteBuf
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311 public static ActionsList createPushPbbAction(ByteBuf in) {
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312 return createPushAction(PushPbb.class, in);
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316 * @param in input ByteBuf
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317 * @return ActionList
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319 public static ActionsList createSetQueueAction(ByteBuf in) {
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320 actionBuilder.setType(SetQueue.class);
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321 QueueIdActionBuilder queueId = new QueueIdActionBuilder();
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322 queueId.setQueueId(in.readUnsignedInt());
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323 actionBuilder.addAugmentation(QueueIdAction.class, queueId.build());
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324 actionsListBuilder.setAction(actionBuilder.build());
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326 return actionsListBuilder.build();
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330 * @param in input ByteBuf
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331 * @return ActionList
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333 public static ActionsList createGroupAction(ByteBuf in) {
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334 actionBuilder.setType(Group.class);
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335 GroupIdActionBuilder group = new GroupIdActionBuilder();
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336 group.setGroupId(in.readUnsignedInt());
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337 actionBuilder.addAugmentation(GroupIdAction.class, group.build());
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338 actionsListBuilder.setAction(actionBuilder.build());
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340 return actionsListBuilder.build();
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344 * @param in input ByteBuf
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345 * @return ActionList
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347 public static ActionsList createExperimenterAction(ByteBuf in) {
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348 actionBuilder.setType(Experimenter.class);
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349 ExperimenterActionBuilder experimenter = new ExperimenterActionBuilder();
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350 experimenter.setExperimenter(in.readUnsignedInt());
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351 actionBuilder.addAugmentation(ExperimenterAction.class, experimenter.build());
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352 actionsListBuilder.setAction(actionBuilder.build());
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354 return actionsListBuilder.build();
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358 * @param in input ByteBuf
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359 * @return ActionList
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361 public static ActionsList createSetNwTtlAction(ByteBuf in) {
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362 final byte PADDING_IN_NW_TTL_ACTIONS_HEADER = 3;
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364 actionBuilder.setType(SetNwTtl.class);
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365 NwTtlActionBuilder nwTtl = new NwTtlActionBuilder();
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366 nwTtl.setNwTtl(in.readUnsignedByte());
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367 actionBuilder.addAugmentation(NwTtlAction.class, nwTtl.build());
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368 actionsListBuilder.setAction(actionBuilder.build());
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369 in.skipBytes(PADDING_IN_NW_TTL_ACTIONS_HEADER);
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371 return actionsListBuilder.build();
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375 * @param in input ByteBuf
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376 * @param actionLength length of action
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377 * @return ActionList
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379 public static ActionsList createSetFieldAction(ByteBuf in, int actionLength) {
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380 actionBuilder.setType(SetField.class);
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381 OxmFieldsActionBuilder matchEntries = new OxmFieldsActionBuilder();
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382 matchEntries.setMatchEntries(MatchDeserializer.createMatchEntries(in, actionLength));
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383 actionBuilder.addAugmentation(OxmFieldsAction.class, matchEntries.build());
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384 actionsListBuilder.setAction(actionBuilder.build());
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386 return actionsListBuilder.build();
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