2 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.UnpooledByteBufAllocator;
14 import java.util.ArrayList;
15 import java.util.List;
17 import org.junit.Assert;
18 import org.junit.Before;
19 import org.junit.Test;
20 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
21 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
22 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
23 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
24 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
25 import org.opendaylight.openflowjava.util.ByteBufUtils;
26 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloElementType;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInput;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInputBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.Elements;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.ElementsBuilder;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
36 * @author michal.polkorab
39 public class HelloInputMessageFactoryTest {
41 private static final Logger LOGGER = LoggerFactory.getLogger(HelloInputMessageFactoryTest.class);
42 private SerializerRegistry registry;
43 private OFSerializer<HelloInput> helloFactory;
46 * Initializes serializer registry and stores correct factory in field
49 public void startUp() {
50 registry = new SerializerRegistryImpl();
52 helloFactory = registry.getSerializer(
53 new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, HelloInput.class));
57 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
61 public void testWithoutElementsSet() throws Exception {
62 HelloInputBuilder hib = new HelloInputBuilder();
63 BufferHelper.setupHeader(hib, EncodeConstants.OF13_VERSION_ID);
64 HelloInput hi = hib.build();
66 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
67 helloFactory.serialize(hi, out);
69 BufferHelper.checkHeaderV13(out,(byte) 0, EncodeConstants.OFHEADER_SIZE);
73 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
77 public void testWith4BitVersionBitmap() throws Exception {
78 int lengthOfBitmap = 4;
79 HelloInputBuilder builder = new HelloInputBuilder();
80 BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
81 List<Elements> expectedElement = createElement(lengthOfBitmap);
82 builder.setElements(expectedElement);
83 HelloInput message = builder.build();
85 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
86 helloFactory.serialize(message, out);
87 LOGGER.debug("bytebuf: " + ByteBufUtils.byteBufToHexString(out));
89 BufferHelper.checkHeaderV13(out, (byte) 0, 16);
90 Elements element = readElement(out).get(0);
91 Assert.assertEquals("Wrong element type", expectedElement.get(0).getType(), element.getType());
92 Elements comparation = createComparationElement(lengthOfBitmap).get(0);
93 Assert.assertArrayEquals("Wrong element bitmap", comparation.getVersionBitmap().toArray(), element.getVersionBitmap().toArray());
97 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
101 public void testWith64BitVersionBitmap() throws Exception {
102 int lengthOfBitmap = 64;
103 HelloInputBuilder builder = new HelloInputBuilder();
104 BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
105 List<Elements> expectedElement = createElement(lengthOfBitmap);
106 builder.setElements(expectedElement);
107 HelloInput message = builder.build();
109 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
110 helloFactory.serialize(message, out);
111 LOGGER.debug("bytebuf: " + ByteBufUtils.byteBufToHexString(out));
113 BufferHelper.checkHeaderV13(out, (byte) 0, 24);
114 Elements element = readElement(out).get(0);
115 Assert.assertEquals("Wrong element type", expectedElement.get(0).getType(), element.getType());
116 Elements comparation = createComparationElement(lengthOfBitmap).get(0);
117 Assert.assertArrayEquals("Wrong element bitmap", comparation.getVersionBitmap().toArray(), element.getVersionBitmap().toArray());
120 private static List<Elements> createElement(int lengthOfBitmap) {
121 ElementsBuilder elementsBuilder = new ElementsBuilder();
122 List<Elements> elementsList = new ArrayList<>();
123 List<Boolean> booleanList = new ArrayList<>();
124 for (int i = 0; i < lengthOfBitmap; i++) {
125 booleanList.add(true);
127 elementsBuilder.setType(HelloElementType.forValue(1));
128 elementsBuilder.setVersionBitmap(booleanList);
129 elementsList.add(elementsBuilder.build());
133 private static List<Elements> createComparationElement(int lengthOfBitmap) {
134 ElementsBuilder elementsBuilder = new ElementsBuilder();
135 List<Elements> elementsList = new ArrayList<>();
136 List<Boolean> booleanList = new ArrayList<>();
137 for (int i = 0; i < lengthOfBitmap; i++) {
138 booleanList.add(true);
140 if ((lengthOfBitmap % Integer.SIZE) != 0) {
141 for (int i = 0; i < (Integer.SIZE - (lengthOfBitmap % Integer.SIZE)); i++) {
142 booleanList.add(false);
145 LOGGER.debug("boolsize " + booleanList.size());
146 elementsBuilder.setType(HelloElementType.forValue(1));
147 elementsBuilder.setVersionBitmap(booleanList);
148 elementsList.add(elementsBuilder.build());
152 private static List<Elements> readElement(ByteBuf input) {
153 List<Elements> elementsList = new ArrayList<>();
154 while (input.readableBytes() > 0) {
155 ElementsBuilder elementsBuilder = new ElementsBuilder();
156 int type = input.readUnsignedShort();
157 int elementLength = input.readUnsignedShort();
158 if (type == HelloElementType.VERSIONBITMAP.getIntValue()) {
159 elementsBuilder.setType(HelloElementType.forValue(type));
160 int[] versionBitmap = new int[(elementLength - 4) / 4];
161 for (int i = 0; i < versionBitmap.length; i++) {
162 versionBitmap[i] = (int) input.readUnsignedInt();
164 elementsBuilder.setVersionBitmap(readVersionBitmap(versionBitmap));
165 int paddingRemainder = elementLength % EncodeConstants.PADDING;
166 if (paddingRemainder != 0) {
167 input.readBytes(EncodeConstants.PADDING - paddingRemainder);
170 elementsList.add(elementsBuilder.build());
175 private static List<Boolean> readVersionBitmap(int[] input){
176 List<Boolean> versionBitmapList = new ArrayList<>();
177 for (int i = 0; i < input.length; i++) {
179 for (int j = 0; j < Integer.SIZE; j++) {
180 versionBitmapList.add((mask & (1<<j)) != 0);
183 return versionBitmapList;