1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
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2 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
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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.openflowjava.protocol.impl.deserialization.OFDeserializer;
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10 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterQueuePropertyBuilder;
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11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.RateQueueProperty;
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12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.RateQueuePropertyBuilder;
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13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
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14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueId;
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15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueProperties;
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16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutput;
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17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutputBuilder;
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18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.Queues;
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19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.QueuesBuilder;
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20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueueProperty;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueuePropertyBuilder;
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24 * @author timotej.kubas
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25 * @author michal.polkorab
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27 public class QueueGetConfigReplyMessageFactory implements OFDeserializer<GetQueueConfigOutput> {
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29 private static final byte PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER = 4;
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30 private static final byte PADDING_IN_PACKET_QUEUE_HEADER = 6;
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31 private static final byte PADDING_IN_QUEUE_PROPERTY_HEADER = 4;
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32 private static final int PADDING_IN_RATE_QUEUE_PROPERTY = 6;
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33 private static final int PADDING_IN_EXPERIMENTER_QUEUE_PROPERTY = 4;
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34 private static final byte PACKET_QUEUE_LENGTH = 16;
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36 private static QueueGetConfigReplyMessageFactory instance;
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38 private QueueGetConfigReplyMessageFactory() {
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44 * @return singleton factory
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46 public static synchronized QueueGetConfigReplyMessageFactory getInstance(){
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48 if(instance == null){
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49 instance = new QueueGetConfigReplyMessageFactory();
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55 public GetQueueConfigOutput bufferToMessage(ByteBuf rawMessage, short version) {
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56 GetQueueConfigOutputBuilder builder = new GetQueueConfigOutputBuilder();
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57 builder.setVersion(version);
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58 builder.setXid((rawMessage.readUnsignedInt()));
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59 builder.setPort(new PortNumber(rawMessage.readUnsignedInt()));
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60 rawMessage.skipBytes(PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER);
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61 builder.setQueues(createQueuesList(rawMessage));
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62 return builder.build();
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65 private static List<Queues> createQueuesList(ByteBuf input){
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66 List<Queues> queuesList = new ArrayList<>();
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67 while (input.readableBytes() > 0) {
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68 QueuesBuilder queueBuilder = new QueuesBuilder();
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69 queueBuilder.setQueueId(new QueueId(input.readUnsignedInt()));
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70 queueBuilder.setPort(new PortNumber(input.readUnsignedInt()));
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71 int length = input.readUnsignedShort();
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72 input.skipBytes(PADDING_IN_PACKET_QUEUE_HEADER);
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73 queueBuilder.setQueueProperty(createPropertiesList(input, length - PACKET_QUEUE_LENGTH));
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74 queuesList.add(queueBuilder.build());
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79 private static List<QueueProperty> createPropertiesList(ByteBuf input, int length){
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80 int propertiesLength = length;
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81 List<QueueProperty> propertiesList = new ArrayList<>();
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82 while (propertiesLength > 0) {
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83 QueuePropertyBuilder propertiesBuilder = new QueuePropertyBuilder();
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84 QueueProperties property = QueueProperties.forValue(input.readUnsignedShort());
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85 propertiesBuilder.setProperty(property);
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86 int currentPropertyLength = input.readUnsignedShort();
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87 propertiesLength -= currentPropertyLength;
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88 input.skipBytes(PADDING_IN_QUEUE_PROPERTY_HEADER);
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89 if (property.equals(QueueProperties.OFPQTMINRATE) || property.equals(QueueProperties.OFPQTMAXRATE)) {
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90 RateQueuePropertyBuilder rateBuilder = new RateQueuePropertyBuilder();
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91 rateBuilder.setRate(input.readUnsignedShort());
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92 propertiesBuilder.addAugmentation(RateQueueProperty.class, rateBuilder.build());
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93 input.skipBytes(PADDING_IN_RATE_QUEUE_PROPERTY);
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94 } else if (property.equals(QueueProperties.OFPQTEXPERIMENTER)) {
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95 ExperimenterQueuePropertyBuilder expBuilder = new ExperimenterQueuePropertyBuilder();
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96 expBuilder.setExperimenter(input.readUnsignedInt());
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97 input.skipBytes(PADDING_IN_EXPERIMENTER_QUEUE_PROPERTY);
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98 expBuilder.setData(input.readBytes(currentPropertyLength
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99 - Integer.SIZE / Byte.SIZE - PADDING_IN_EXPERIMENTER_QUEUE_PROPERTY).array());
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100 propertiesBuilder.addAugmentation(RateQueueProperty.class, expBuilder.build());
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102 propertiesList.add(propertiesBuilder.build());
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104 return propertiesList;
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