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.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntry;
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22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.Ipv4AddressMatchEntryBuilder;
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23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntry;
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24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaskMatchEntryBuilder;
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25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Ipv4Src;
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26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass;
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27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;
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30 * @author michal.polkorab
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33 public class OxmIpv4SrcSerializerTest {
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35 OxmIpv4SrcSerializer serializer = new OxmIpv4SrcSerializer();
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38 * Test correct serialization
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41 public void testSerializeWithoutMask() {
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42 MatchEntriesBuilder builder = prepareMatchEntry(false, "10.0.0.1");
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44 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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45 serializer.serialize(builder.build(), buffer);
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47 checkHeader(buffer, false);
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48 byte[] address = new byte[4];
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49 buffer.readBytes(address);
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50 Assert.assertArrayEquals("Wrong address", new byte[]{10, 0, 0, 1}, address);
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51 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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55 * Test correct serialization
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58 public void testSerializeWithMask() {
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59 MatchEntriesBuilder builder = prepareMatchEntry(true, "120.121.122.0");
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61 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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62 serializer.serialize(builder.build(), buffer);
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64 checkHeader(buffer, true);
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66 byte[] address = new byte[4];
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67 buffer.readBytes(address);
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68 Assert.assertArrayEquals("Wrong address", new byte[]{120, 121, 122, 0}, address);
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69 byte[] tmp = new byte[4];
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70 buffer.readBytes(tmp);
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71 Assert.assertArrayEquals("Wrong mask", new byte[]{15, 15, 0, 0}, tmp);
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72 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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76 * Test correct header serialization
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79 public void testSerializeHeaderWithoutMask() {
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80 MatchEntriesBuilder builder = prepareHeader(false);
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82 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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83 serializer.serializeHeader(builder.build(), buffer);
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85 checkHeader(buffer, false);
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86 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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90 * Test correct header serialization
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93 public void testSerializeHeaderWithMask() {
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94 MatchEntriesBuilder builder = prepareHeader(true);
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96 ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
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97 serializer.serializeHeader(builder.build(), buffer);
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99 checkHeader(buffer, true);
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100 assertTrue("Unexpected data", buffer.readableBytes() == 0);
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104 * Test correct oxm-class return value
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107 public void testGetOxmClassCode() {
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108 assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, serializer.getOxmClassCode());
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112 * Test correct oxm-field return value
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115 public void getOxmFieldCode() {
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116 assertEquals("Wrong oxm-class", OxmMatchConstants.IPV4_SRC, serializer.getOxmFieldCode());
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120 * Test correct value length return value
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123 public void testGetValueLength() {
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124 assertEquals("Wrong value length", EncodeConstants.SIZE_OF_INT_IN_BYTES, serializer.getValueLength());
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127 private static MatchEntriesBuilder prepareMatchEntry(boolean hasMask, String value) {
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128 MatchEntriesBuilder builder = prepareHeader(hasMask);
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130 MaskMatchEntryBuilder maskBuilder = new MaskMatchEntryBuilder();
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131 maskBuilder.setMask(new byte[]{15, 15, 0, 0});
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132 builder.addAugmentation(MaskMatchEntry.class, maskBuilder.build());
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134 Ipv4AddressMatchEntryBuilder addressBuilder = new Ipv4AddressMatchEntryBuilder();
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135 addressBuilder.setIpv4Address(new Ipv4Address(value));
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136 builder.addAugmentation(Ipv4AddressMatchEntry.class, addressBuilder.build());
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140 private static MatchEntriesBuilder prepareHeader(boolean hasMask) {
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141 MatchEntriesBuilder builder = new MatchEntriesBuilder();
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142 builder.setOxmClass(OpenflowBasicClass.class);
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143 builder.setOxmMatchField(Ipv4Src.class);
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144 builder.setHasMask(hasMask);
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148 private static void checkHeader(ByteBuf buffer, boolean hasMask) {
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149 assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, buffer.readUnsignedShort());
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150 short fieldAndMask = buffer.readUnsignedByte();
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151 assertEquals("Wrong oxm-field", OxmMatchConstants.IPV4_SRC, fieldAndMask >>> 1);
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152 assertEquals("Wrong hasMask", hasMask, (fieldAndMask & 1) != 0);
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154 assertEquals("Wrong length", EncodeConstants.SIZE_OF_LONG_IN_BYTES, buffer.readUnsignedByte());
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156 assertEquals("Wrong length", EncodeConstants.SIZE_OF_INT_IN_BYTES, buffer.readUnsignedByte());
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