2 * Copyright (c) 2014 Pantheon Technologies s.r.o. and others. All rights reserved.
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4 * This program and the accompanying materials are made available under the
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5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
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6 * and is available at http://www.eclipse.org/legal/epl-v10.html
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9 package org.opendaylight.openflowjava.protocol.impl.serialization.match;
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11 import static org.junit.Assert.assertEquals;
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12 import static org.junit.Assert.assertTrue;
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13 import io.netty.buffer.ByteBuf;
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14 import io.netty.buffer.PooledByteBufAllocator;
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16 import org.junit.Assert;
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17 import org.junit.Test;
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18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
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19 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
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20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntryBuilder;
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22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntry;
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23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataMatchEntryBuilder;
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24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Metadata;
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25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass;
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26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;
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29 * @author michal.polkorab
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32 public class OxmMetadataSerializerTest {
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34 OxmMetadataSerializer serializer = new OxmMetadataSerializer();
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37 * Test correct serialization
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40 public void testSerializeWithoutMask() {
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41 MatchEntriesBuilder builder = prepareMatchEntry(false, new byte[]{0, 1, 2, 3, 4, 5, 6, 7});
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43 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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44 serializer.serialize(builder.build(), buffer);
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46 checkHeader(buffer, false);
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47 byte[] address = new byte[8];
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48 buffer.readBytes(address);
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49 Assert.assertArrayEquals("Wrong address", new byte[]{0, 1, 2, 3, 4, 5, 6, 7}, address);
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50 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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54 * Test correct serialization
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57 public void testSerializeWithMask() {
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58 MatchEntriesBuilder builder = prepareMatchEntry(true, new byte[]{8, 9, 10, 11, 12, 13, 14, 15});
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60 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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61 serializer.serialize(builder.build(), buffer);
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63 checkHeader(buffer, true);
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65 byte[] address = new byte[8];
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66 buffer.readBytes(address);
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67 Assert.assertArrayEquals("Wrong address", new byte[]{8, 9, 10, 11, 12, 13, 14, 15}, address);
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68 byte[] tmp = new byte[8];
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69 buffer.readBytes(tmp);
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70 Assert.assertArrayEquals("Wrong mask", new byte[]{30, 30, 25, 25, 15, 15, 0, 0}, tmp);
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71 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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75 * Test correct header serialization
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78 public void testSerializeHeaderWithoutMask() {
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79 MatchEntriesBuilder builder = prepareHeader(false);
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81 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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82 serializer.serializeHeader(builder.build(), buffer);
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84 checkHeader(buffer, false);
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85 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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89 * Test correct header serialization
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92 public void testSerializeHeaderWithMask() {
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93 MatchEntriesBuilder builder = prepareHeader(true);
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95 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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96 serializer.serializeHeader(builder.build(), buffer);
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98 checkHeader(buffer, true);
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99 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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103 * Test correct oxm-class return value
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106 public void testGetOxmClassCode() {
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107 assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, serializer.getOxmClassCode());
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111 * Test correct oxm-field return value
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114 public void getOxmFieldCode() {
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115 assertEquals("Wrong oxm-class", OxmMatchConstants.METADATA, serializer.getOxmFieldCode());
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119 * Test correct value length return value
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122 public void testGetValueLength() {
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123 assertEquals("Wrong value length", EncodeConstants.SIZE_OF_LONG_IN_BYTES, serializer.getValueLength());
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126 private static MatchEntriesBuilder prepareMatchEntry(boolean hasMask, byte[] value) {
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127 MatchEntriesBuilder builder = prepareHeader(hasMask);
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129 MaskMatchEntryBuilder maskBuilder = new MaskMatchEntryBuilder();
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130 maskBuilder.setMask(new byte[]{30, 30, 25, 25, 15, 15, 0, 0});
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131 builder.addAugmentation(MaskMatchEntry.class, maskBuilder.build());
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133 MetadataMatchEntryBuilder metadataBuilder = new MetadataMatchEntryBuilder();
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134 metadataBuilder.setMetadata(value);
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135 builder.addAugmentation(MetadataMatchEntry.class, metadataBuilder.build());
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139 private static MatchEntriesBuilder prepareHeader(boolean hasMask) {
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140 MatchEntriesBuilder builder = new MatchEntriesBuilder();
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141 builder.setOxmClass(OpenflowBasicClass.class);
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142 builder.setOxmMatchField(Metadata.class);
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143 builder.setHasMask(hasMask);
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147 private static void checkHeader(ByteBuf buffer, boolean hasMask) {
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148 assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, buffer.readUnsignedShort());
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149 short fieldAndMask = buffer.readUnsignedByte();
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150 assertEquals("Wrong oxm-field", OxmMatchConstants.METADATA, fieldAndMask >>> 1);
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151 assertEquals("Wrong hasMask", hasMask, (fieldAndMask & 1) != 0);
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153 assertEquals("Wrong length", 2 * EncodeConstants.SIZE_OF_LONG_IN_BYTES, buffer.readUnsignedByte());
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155 assertEquals("Wrong length", EncodeConstants.SIZE_OF_LONG_IN_BYTES, buffer.readUnsignedByte());
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