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.RateQueueProperty;
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11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.RateQueuePropertyBuilder;
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12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
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13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueId;
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14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueProperties;
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15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutput;
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16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetQueueConfigOutputBuilder;
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17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.Queues;
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18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.get.config.reply.QueuesBuilder;
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19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueueProperty;
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20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.queue.property.header.QueuePropertyBuilder;
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23 * @author michal.polkorab
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26 public class OF10QueueGetConfigReplyMessageFactory implements OFDeserializer<GetQueueConfigOutput> {
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28 private static final byte PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER = 6;
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29 private static final byte PADDING_IN_PACKET_QUEUE_HEADER = 2;
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30 private static final byte PADDING_IN_QUEUE_PROPERTY_HEADER = 4;
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31 private static final byte PADDING_IN_RATE_QUEUE_PROPERTY = 6;
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32 private static final byte PACKET_QUEUE_LENGTH = 16;
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34 private static OF10QueueGetConfigReplyMessageFactory instance;
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36 private OF10QueueGetConfigReplyMessageFactory() {
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42 * @return singleton factory
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44 public static synchronized OF10QueueGetConfigReplyMessageFactory getInstance(){
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46 if(instance == null){
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47 instance = new OF10QueueGetConfigReplyMessageFactory();
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53 public GetQueueConfigOutput bufferToMessage(ByteBuf rawMessage, short version) {
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54 GetQueueConfigOutputBuilder builder = new GetQueueConfigOutputBuilder();
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55 builder.setVersion(version);
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56 builder.setXid((rawMessage.readUnsignedInt()));
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57 builder.setPort(new PortNumber((long) rawMessage.readUnsignedShort()));
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58 rawMessage.skipBytes(PADDING_IN_QUEUE_GET_CONFIG_REPLY_HEADER);
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59 builder.setQueues(createQueuesList(rawMessage));
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60 return builder.build();
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63 private static List<Queues> createQueuesList(ByteBuf input){
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64 List<Queues> queuesList = new ArrayList<>();
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65 while (input.readableBytes() > 0) {
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66 QueuesBuilder queueBuilder = new QueuesBuilder();
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67 queueBuilder.setQueueId(new QueueId(input.readUnsignedInt()));
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68 int length = input.readUnsignedShort();
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69 input.skipBytes(PADDING_IN_PACKET_QUEUE_HEADER);
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70 queueBuilder.setQueueProperty(createPropertiesList(input, length - PACKET_QUEUE_LENGTH));
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71 queuesList.add(queueBuilder.build());
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76 private static List<QueueProperty> createPropertiesList(ByteBuf input, int length){
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77 int propertiesLength = length;
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78 List<QueueProperty> propertiesList = new ArrayList<>();
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79 while (propertiesLength > 0) {
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80 QueuePropertyBuilder propertiesBuilder = new QueuePropertyBuilder();
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81 QueueProperties property = QueueProperties.forValue(input.readUnsignedShort());
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82 propertiesBuilder.setProperty(property);
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83 propertiesLength -= input.readUnsignedShort();
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84 input.skipBytes(PADDING_IN_QUEUE_PROPERTY_HEADER);
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85 if (property.equals(QueueProperties.OFPQTMINRATE)) {
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86 RateQueuePropertyBuilder rateBuilder = new RateQueuePropertyBuilder();
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87 rateBuilder.setRate(input.readUnsignedShort());
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88 propertiesBuilder.addAugmentation(RateQueueProperty.class, rateBuilder.build());
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89 input.skipBytes(PADDING_IN_RATE_QUEUE_PROPERTY);
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91 propertiesList.add(propertiesBuilder.build());
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93 return propertiesList;
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