1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
\r
2 package org.opendaylight.openflowjava.protocol.impl.util;
\r
4 import io.netty.buffer.ByteBuf;
\r
6 import java.util.ArrayList;
\r
7 import java.util.List;
\r
9 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthertypeAction;
\r
10 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthertypeActionBuilder;
\r
11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterAction;
\r
12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterActionBuilder;
\r
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.GroupIdAction;
\r
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.GroupIdActionBuilder;
\r
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthAction;
\r
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthActionBuilder;
\r
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsTtlAction;
\r
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MplsTtlActionBuilder;
\r
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NwTtlAction;
\r
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NwTtlActionBuilder;
\r
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmFieldsAction;
\r
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmFieldsActionBuilder;
\r
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortAction;
\r
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortActionBuilder;
\r
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.QueueIdAction;
\r
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.QueueIdActionBuilder;
\r
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.CopyTtlIn;
\r
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.CopyTtlOut;
\r
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.DecMplsTtl;
\r
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.DecNwTtl;
\r
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Experimenter;
\r
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Group;
\r
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Output;
\r
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopMpls;
\r
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopPbb;
\r
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopVlan;
\r
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushMpls;
\r
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushPbb;
\r
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushVlan;
\r
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetField;
\r
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetMplsTtl;
\r
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetNwTtl;
\r
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetQueue;
\r
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.action.header.ActionBuilder;
\r
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsList;
\r
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsListBuilder;
\r
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType;
\r
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
\r
51 * Class for easy deserialization of actions
\r
53 * @author timotej.kubas
\r
54 * @author michal.polkorab
\r
56 public abstract class ActionsDeserializer {
\r
57 final static byte PAD_ACTION_LENGTH = 2;
\r
58 private static ActionBuilder actionBuilder = new ActionBuilder();
\r
59 private static ActionsListBuilder actionsListBuilder = new ActionsListBuilder();
\r
60 private static List<ActionsList> actionsList = new ArrayList<>();
\r
63 * @param input input ByteBuf
\r
64 * @param bucketsLength length of buckets
\r
65 * @return ActionsList
\r
67 public static List<ActionsList> createActionsList(ByteBuf input, int bucketsLength) {
\r
68 final byte BUCKET_HEADER_LENGTH = 16;
\r
69 int bucketsCurrentLength = BUCKET_HEADER_LENGTH;
\r
70 int actionsLength = 0;
\r
72 while (bucketsCurrentLength < bucketsLength) {
\r
73 switch(input.readUnsignedShort()) {
\r
74 case 0: actionsLength = input.readUnsignedShort(); //outputActionLength
\r
75 actionsList.add(ActionsDeserializer.createOutputAction(input));
\r
78 actionsLength = input.readUnsignedShort();//empty header length
\r
79 actionsList.add(ActionsDeserializer.createCopyTtlOutAction(input));
\r
83 actionsLength = input.readUnsignedShort();//empty header length
\r
84 actionsList.add(ActionsDeserializer.createCopyTtlInAction(input));
\r
88 actionsLength = input.readUnsignedShort();//empty header length
\r
89 actionsList.add(ActionsDeserializer.createSetMplsTtlAction(input));
\r
93 actionsLength = input.readUnsignedShort();//empty header length
\r
94 actionsList.add(ActionsDeserializer.createDecMplsTtlOutAction(input));
\r
98 actionsLength = input.readUnsignedShort();
\r
99 actionsList.add(ActionsDeserializer.createPushVlanAction(input));
\r
103 actionsLength = input.readUnsignedShort();//empty header length
\r
104 actionsList.add(ActionsDeserializer.createPopVlanAction(input));
\r
108 actionsLength = input.readUnsignedShort();//8
\r
109 actionsList.add(ActionsDeserializer.createPushMplsAction(input));
\r
113 actionsLength = input.readUnsignedShort();//8
\r
114 actionsList.add(ActionsDeserializer.createPopMplsAction(input));
\r
118 actionsLength = input.readUnsignedShort();
\r
119 actionsList.add(ActionsDeserializer.createSetQueueAction(input));
\r
123 actionsLength = input.readUnsignedShort();//8
\r
124 actionsList.add(ActionsDeserializer.createGroupAction(input));
\r
128 actionsLength = input.readUnsignedShort();//8
\r
129 actionsList.add(ActionsDeserializer.createSetNwTtlAction(input));
\r
133 actionsLength = input.readUnsignedShort();//empty header length
\r
134 actionsList.add(ActionsDeserializer.createDecNwTtlAction(input));
\r
138 actionsLength = input.readUnsignedShort();//8
\r
140 actionsList.add(ActionsDeserializer.createSetFieldAction(input, actionsLength));
\r
143 actionsLength = input.readUnsignedShort();//8
\r
144 actionsList.add(ActionsDeserializer.createPushPbbAction(input));
\r
148 actionsLength = input.readUnsignedShort();//empty header length
\r
149 actionsList.add(ActionsDeserializer.createPopPbbAction(input));
\r
153 actionsLength = input.readUnsignedShort();
\r
154 actionsList.add(ActionsDeserializer.createExperimenterAction(input));
\r
159 bucketsCurrentLength += actionsLength;
\r
161 return actionsList;
\r
166 * @param action input action that contains empty header
\r
167 * @param in input ByteBuf
\r
170 private static ActionsList createEmptyHeader(Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Action> action, ByteBuf in) {
\r
171 final byte PADDING_IN_ACTIONS_HEADER = 4;
\r
173 actionBuilder.setType(action);
\r
174 in.skipBytes(PADDING_IN_ACTIONS_HEADER);
\r
175 actionsListBuilder.setAction(actionBuilder.build());
\r
176 return actionsListBuilder.build();
\r
180 * @param in input ByteBuf
\r
183 public static ActionsList createCopyTtlInAction(ByteBuf in) {
\r
184 return createEmptyHeader(CopyTtlIn.class, in);
\r
188 * @param in input ByteBuf
\r
191 public static ActionsList createCopyTtlOutAction(ByteBuf in) {
\r
192 return createEmptyHeader(CopyTtlOut.class, in);
\r
196 * @param in input ByteBuf
\r
199 public static ActionsList createDecMplsTtlOutAction(ByteBuf in) {
\r
200 return createEmptyHeader(DecMplsTtl.class, in);
\r
204 * @param in input ByteBuf
\r
207 public static ActionsList createPopVlanAction(ByteBuf in) {
\r
208 return createEmptyHeader(PopVlan.class, in);
\r
212 * @param in input ByteBuf
\r
215 public static ActionsList createDecNwTtlAction(ByteBuf in) {
\r
216 return createEmptyHeader(DecNwTtl.class, in);
\r
220 * @param in input ByteBuf
\r
223 public static ActionsList createPopPbbAction(ByteBuf in) {
\r
224 return createEmptyHeader(PopPbb.class, in);
\r
228 * @param in input ByteBuf
\r
229 * @return ActionList
\r
231 public static ActionsList createOutputAction(ByteBuf in) {
\r
232 final byte PADDING_IN_OUTPUT_ACTIONS_HEADER = 6;
\r
234 actionBuilder.setType(Output.class);
\r
235 PortActionBuilder port = new PortActionBuilder();
\r
236 port.setPort(new PortNumber(in.readUnsignedInt()));
\r
237 actionBuilder.addAugmentation(PortAction.class, port.build());
\r
238 MaxLengthActionBuilder maxLen = new MaxLengthActionBuilder();
\r
239 maxLen.setMaxLength(in.readUnsignedShort());
\r
240 actionBuilder.addAugmentation(MaxLengthAction.class, maxLen.build());
\r
241 actionsListBuilder.setAction(actionBuilder.build());
\r
242 in.skipBytes(PADDING_IN_OUTPUT_ACTIONS_HEADER);
\r
244 return actionsListBuilder.build();
\r
248 * @param in input ByteBuf
\r
249 * @return ActionList
\r
251 public static ActionsList createSetMplsTtlAction(ByteBuf in) {
\r
252 final byte PADDING_IN_SET_MPLS_TTL_ACTIONS_HEADER = 3;
\r
254 actionBuilder.setType(SetMplsTtl.class);
\r
255 MplsTtlActionBuilder mplsTtl = new MplsTtlActionBuilder();
\r
256 mplsTtl.setMplsTtl(in.readUnsignedByte());
\r
257 actionBuilder.addAugmentation(MplsTtlAction.class, mplsTtl.build());
\r
258 actionsListBuilder.setAction(actionBuilder.build());
\r
259 in.skipBytes(PADDING_IN_SET_MPLS_TTL_ACTIONS_HEADER);
\r
261 return actionsListBuilder.build();
\r
265 * @param action input action that contains push
\r
266 * @param in input ByteBuf
\r
267 * @return ActionList
\r
269 private static ActionsList createPushAction(Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Action> action, ByteBuf in) {
\r
270 final byte PADDING_IN_PUSH_VLAN_ACTIONS_HEADER = 2;
\r
272 actionBuilder.setType(action);
\r
273 EthertypeActionBuilder etherType = new EthertypeActionBuilder();
\r
274 etherType.setEthertype(new EtherType(in.readUnsignedShort()));
\r
275 actionBuilder.addAugmentation(EthertypeAction.class, etherType.build());
\r
276 actionsListBuilder.setAction(actionBuilder.build());
\r
277 in.skipBytes(PADDING_IN_PUSH_VLAN_ACTIONS_HEADER);
\r
279 return actionsListBuilder.build();
\r
283 * @param in input ByteBuf
\r
286 public static ActionsList createPushVlanAction(ByteBuf in) {
\r
287 return createPushAction(PushVlan.class, in);
\r
291 * @param in input ByteBuf
\r
294 public static ActionsList createPushMplsAction(ByteBuf in) {
\r
295 return createPushAction(PushMpls.class, in);
\r
299 * @param in input ByteBuf
\r
302 public static ActionsList createPopMplsAction(ByteBuf in) {
\r
303 return createPushAction(PopMpls.class, in);
\r
307 * @param in input ByteBuf
\r
310 public static ActionsList createPushPbbAction(ByteBuf in) {
\r
311 return createPushAction(PushPbb.class, in);
\r
315 * @param in input ByteBuf
\r
316 * @return ActionList
\r
318 public static ActionsList createSetQueueAction(ByteBuf in) {
\r
319 actionBuilder.setType(SetQueue.class);
\r
320 QueueIdActionBuilder queueId = new QueueIdActionBuilder();
\r
321 queueId.setQueueId(in.readUnsignedInt());
\r
322 actionBuilder.addAugmentation(QueueIdAction.class, queueId.build());
\r
323 actionsListBuilder.setAction(actionBuilder.build());
\r
325 return actionsListBuilder.build();
\r
329 * @param in input ByteBuf
\r
330 * @return ActionList
\r
332 public static ActionsList createGroupAction(ByteBuf in) {
\r
333 actionBuilder.setType(Group.class);
\r
334 GroupIdActionBuilder group = new GroupIdActionBuilder();
\r
335 group.setGroupId(in.readUnsignedInt());
\r
336 actionBuilder.addAugmentation(GroupIdAction.class, group.build());
\r
337 actionsListBuilder.setAction(actionBuilder.build());
\r
339 return actionsListBuilder.build();
\r
343 * @param in input ByteBuf
\r
344 * @return ActionList
\r
346 public static ActionsList createExperimenterAction(ByteBuf in) {
\r
347 actionBuilder.setType(Experimenter.class);
\r
348 ExperimenterActionBuilder experimenter = new ExperimenterActionBuilder();
\r
349 experimenter.setExperimenter(in.readUnsignedInt());
\r
350 actionBuilder.addAugmentation(ExperimenterAction.class, experimenter.build());
\r
351 actionsListBuilder.setAction(actionBuilder.build());
\r
353 return actionsListBuilder.build();
\r
357 * @param in input ByteBuf
\r
358 * @return ActionList
\r
360 public static ActionsList createSetNwTtlAction(ByteBuf in) {
\r
361 final byte PADDING_IN_NW_TTL_ACTIONS_HEADER = 3;
\r
363 actionBuilder.setType(SetNwTtl.class);
\r
364 NwTtlActionBuilder nwTtl = new NwTtlActionBuilder();
\r
365 nwTtl.setNwTtl(in.readUnsignedByte());
\r
366 actionBuilder.addAugmentation(NwTtlAction.class, nwTtl.build());
\r
367 actionsListBuilder.setAction(actionBuilder.build());
\r
368 in.skipBytes(PADDING_IN_NW_TTL_ACTIONS_HEADER);
\r
370 return actionsListBuilder.build();
\r
374 * @param in input ByteBuf
\r
375 * @param actionLength length of action
\r
376 * @return ActionList
\r
378 public static ActionsList createSetFieldAction(ByteBuf in, int actionLength) {
\r
379 actionBuilder.setType(SetField.class);
\r
380 OxmFieldsActionBuilder matchEntries = new OxmFieldsActionBuilder();
\r
381 matchEntries.setMatchEntries(MatchEntriesDeserializer.createMatchEntries(in, actionLength - 4));
\r
382 actionBuilder.addAugmentation(OxmFieldsAction.class, matchEntries.build());
\r
383 actionsListBuilder.setAction(actionBuilder.build());
\r
385 return actionsListBuilder.build();
\r