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.Test;
19 import org.opendaylight.openflowjava.protocol.impl.deserialization.factories.HelloMessageFactoryTest;
20 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
21 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
22 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloElementType;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInput;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInputBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.Elements;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.ElementsBuilder;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
32 * @author michal.polkorab
35 public class HelloInputMessageFactoryTest {
37 private static final Logger LOGGER = LoggerFactory.getLogger(HelloInputMessageFactoryTest.class);
40 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
44 public void testWithoutElementsSet() throws Exception {
45 HelloInputBuilder hib = new HelloInputBuilder();
46 BufferHelper.setupHeader(hib, EncodeConstants.OF13_VERSION_ID);
47 HelloInput hi = hib.build();
49 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
50 HelloInputMessageFactory himf = HelloInputMessageFactory.getInstance();
51 himf.messageToBuffer(HelloMessageFactoryTest.VERSION_YET_SUPPORTED, out, hi);
53 BufferHelper.checkHeaderV13(out, himf.getMessageType(), himf.computeLength(hi));
57 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
61 public void testWith4BitVersionBitmap() throws Exception {
62 int lengthOfBitmap = 4;
63 HelloInputBuilder builder = new HelloInputBuilder();
64 BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
65 List<Elements> expectedElement = createElement(lengthOfBitmap);
66 builder.setElements(expectedElement);
67 HelloInput message = builder.build();
69 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
70 HelloInputMessageFactory factory = HelloInputMessageFactory.getInstance();
71 factory.messageToBuffer(HelloMessageFactoryTest.VERSION_YET_SUPPORTED, out, message);
72 LOGGER.debug("bytebuf: " + ByteBufUtils.byteBufToHexString(out));
74 BufferHelper.checkHeaderV13(out, factory.getMessageType(), factory.computeLength(message));
75 Elements element = readElement(out).get(0);
76 Assert.assertEquals("Wrong element type", expectedElement.get(0).getType(), element.getType());
77 Elements comparation = createComparationElement(lengthOfBitmap).get(0);
78 Assert.assertArrayEquals("Wrong element bitmap", comparation.getVersionBitmap().toArray(), element.getVersionBitmap().toArray());
82 * Testing of {@link HelloInputMessageFactory} for correct translation from POJO
86 public void testWith64BitVersionBitmap() throws Exception {
87 int lengthOfBitmap = 64;
88 HelloInputBuilder builder = new HelloInputBuilder();
89 BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
90 List<Elements> expectedElement = createElement(lengthOfBitmap);
91 builder.setElements(expectedElement);
92 HelloInput message = builder.build();
94 ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
95 HelloInputMessageFactory factory = HelloInputMessageFactory.getInstance();
96 factory.messageToBuffer(HelloMessageFactoryTest.VERSION_YET_SUPPORTED, out, message);
97 LOGGER.debug("bytebuf: " + ByteBufUtils.byteBufToHexString(out));
99 BufferHelper.checkHeaderV13(out, factory.getMessageType(), factory.computeLength(message));
100 Elements element = readElement(out).get(0);
101 Assert.assertEquals("Wrong element type", expectedElement.get(0).getType(), element.getType());
102 Elements comparation = createComparationElement(lengthOfBitmap).get(0);
103 Assert.assertArrayEquals("Wrong element bitmap", comparation.getVersionBitmap().toArray(), element.getVersionBitmap().toArray());
106 private static List<Elements> createElement(int lengthOfBitmap) {
107 ElementsBuilder elementsBuilder = new ElementsBuilder();
108 List<Elements> elementsList = new ArrayList<>();
109 List<Boolean> booleanList = new ArrayList<>();
110 for (int i = 0; i < lengthOfBitmap; i++) {
111 booleanList.add(true);
113 elementsBuilder.setType(HelloElementType.forValue(1));
114 elementsBuilder.setVersionBitmap(booleanList);
115 elementsList.add(elementsBuilder.build());
119 private static List<Elements> createComparationElement(int lengthOfBitmap) {
120 ElementsBuilder elementsBuilder = new ElementsBuilder();
121 List<Elements> elementsList = new ArrayList<>();
122 List<Boolean> booleanList = new ArrayList<>();
123 for (int i = 0; i < lengthOfBitmap; i++) {
124 booleanList.add(true);
126 if ((lengthOfBitmap % Integer.SIZE) != 0) {
127 for (int i = 0; i < (Integer.SIZE - (lengthOfBitmap % Integer.SIZE)); i++) {
128 booleanList.add(false);
131 LOGGER.debug("boolsize " + booleanList.size());
132 elementsBuilder.setType(HelloElementType.forValue(1));
133 elementsBuilder.setVersionBitmap(booleanList);
134 elementsList.add(elementsBuilder.build());
138 private static List<Elements> readElement(ByteBuf input) {
139 List<Elements> elementsList = new ArrayList<>();
140 while (input.readableBytes() > 0) {
141 ElementsBuilder elementsBuilder = new ElementsBuilder();
142 int type = input.readUnsignedShort();
143 int elementLength = input.readUnsignedShort();
144 if (type == HelloElementType.VERSIONBITMAP.getIntValue()) {
145 elementsBuilder.setType(HelloElementType.forValue(type));
146 int[] versionBitmap = new int[(elementLength - HelloInputMessageFactory.HELLO_ELEMENT_HEADER_SIZE) / 4];
147 for (int i = 0; i < versionBitmap.length; i++) {
148 versionBitmap[i] = (int) input.readUnsignedInt();
150 elementsBuilder.setVersionBitmap(readVersionBitmap(versionBitmap));
151 int paddingRemainder = elementLength % EncodeConstants.PADDING;
152 if (paddingRemainder != 0) {
153 input.readBytes(EncodeConstants.PADDING - paddingRemainder);
156 elementsList.add(elementsBuilder.build());
161 private static List<Boolean> readVersionBitmap(int[] input){
162 List<Boolean> versionBitmapList = new ArrayList<>();
163 for (int i = 0; i < input.length; i++) {
165 for (int j = 0; j < Integer.SIZE; j++) {
166 versionBitmapList.add((mask & (1<<j)) != 0);
169 return versionBitmapList;