1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
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2 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
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4 import io.netty.buffer.ByteBuf;
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5 import io.netty.buffer.UnpooledByteBufAllocator;
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7 import java.util.ArrayList;
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8 import java.util.List;
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10 import org.junit.Assert;
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11 import org.junit.Test;
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12 import org.opendaylight.openflowjava.protocol.impl.deserialization.factories.HelloMessageFactoryTest;
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13 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
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14 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
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15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloElementType;
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16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInput;
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17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInputBuilder;
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18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.Elements;
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19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.ElementsBuilder;
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20 import org.slf4j.Logger;
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21 import org.slf4j.LoggerFactory;
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24 * @author michal.polkorab
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27 public class HelloInputMessageFactoryTest {
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29 private static final Logger LOGGER = LoggerFactory.getLogger(HelloInputMessageFactoryTest.class);
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32 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
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33 * @throws Exception
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36 public void testWithoutElementsSet() throws Exception {
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37 HelloInputBuilder hib = new HelloInputBuilder();
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38 BufferHelper.setupHeader(hib);
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39 HelloInput hi = hib.build();
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41 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
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42 HelloInputMessageFactory himf = HelloInputMessageFactory.getInstance();
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43 himf.messageToBuffer(HelloMessageFactoryTest.VERSION_YET_SUPPORTED, out, hi);
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45 BufferHelper.checkHeaderV13(out, himf.getMessageType(), himf.computeLength(hi));
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49 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
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50 * @throws Exception
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53 public void testWithElementsSet() throws Exception {
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54 HelloInputBuilder builder = new HelloInputBuilder();
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55 BufferHelper.setupHeader(builder);
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56 List<Elements> expectedElement = createElement();
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57 builder.setElements(expectedElement);
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58 HelloInput message = builder.build();
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60 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
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61 HelloInputMessageFactory factory = HelloInputMessageFactory.getInstance();
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62 factory.messageToBuffer(HelloMessageFactoryTest.VERSION_YET_SUPPORTED, out, message);
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63 LOGGER.info("bytebuf: " + ByteBufUtils.byteBufToHexString(out));
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65 BufferHelper.checkHeaderV13(out, factory.getMessageType(), factory.computeLength(message));
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66 Elements element = readElement(out).get(0);
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67 Assert.assertEquals("Wrong element type", expectedElement.get(0).getType(), element.getType());
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68 LOGGER.info(expectedElement.get(0).getVersionBitmap().toString());
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69 LOGGER.info(element.getVersionBitmap().toString());
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70 Assert.assertArrayEquals("Wrong element bitmap", expectedElement.get(0).getVersionBitmap().toArray(), element.getVersionBitmap().toArray());
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73 private static List<Elements> createElement() {
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74 ElementsBuilder elementsBuilder = new ElementsBuilder();
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75 List<Elements> elementsList = new ArrayList<>();
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76 List<Boolean> booleanList = new ArrayList<>();
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78 for (int i = 0; i < 64; i++) {
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79 booleanList.add(true);
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82 elementsBuilder.setType(HelloElementType.forValue(1));
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83 elementsBuilder.setVersionBitmap(booleanList);
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84 elementsList.add(elementsBuilder.build());
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86 return elementsList;
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89 private static List<Elements> readElement(ByteBuf input) {
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90 List<Elements> elementsList = new ArrayList<>();
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91 while (input.readableBytes() > 0) {
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92 ElementsBuilder elementsBuilder = new ElementsBuilder();
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93 int type = input.readUnsignedShort();
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94 int elementLength = input.readUnsignedShort();
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95 if (type == HelloElementType.VERSIONBITMAP.getIntValue()) {
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96 elementsBuilder.setType(HelloElementType.forValue(type));
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97 int[] versionBitmap = new int[(elementLength - HelloInputMessageFactory.HELLO_ELEMENT_HEADER_SIZE) / 4];
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98 for (int i = 0; i < versionBitmap.length; i++) {
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99 versionBitmap[i] = (int) input.readUnsignedInt();
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101 elementsBuilder.setVersionBitmap(readVersionBitmap(versionBitmap));
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102 int paddingRemainder = elementLength % EncodeConstants.PADDING;
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103 if (paddingRemainder != 0) {
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104 input.readBytes(EncodeConstants.PADDING - paddingRemainder);
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107 elementsList.add(elementsBuilder.build());
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109 return elementsList;
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112 private static List<Boolean> readVersionBitmap(int[] input){
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113 LOGGER.info("input.length: " + input.length);
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114 List<Boolean> versionBitmapList = new ArrayList<>();
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115 for (int i = 0; i < input.length; i++) {
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116 int mask = input[i];
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117 for (int j = 0; j < Integer.SIZE; j++) {
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118 versionBitmapList.add((mask & (1<<j)) != 0);
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121 LOGGER.info("versionbitmaplist.size: " + versionBitmapList.size());
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122 return versionBitmapList;
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