openflowjava/openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/OF10PacketOutInputMessageFactoryTest.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.UnpooledByteBufAllocator;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import org.junit.Assert;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  19 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  20 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  21 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  22 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
  23 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
  24 import org.opendaylight.openflowjava.util.ByteBufUtils;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.OutputActionCaseBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.StripVlanCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.output.action._case.OutputActionBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInputBuilder;
  33
  34 /**
  35  * Unit tests for OF10PacketOutInputMessageFactory.
  36  *
  37  * @author michal.polkorab
  38  */
  39 public class OF10PacketOutInputMessageFactoryTest {
  40
  41     private SerializerRegistry registry;
  42     private OFSerializer<PacketOutInput> packetOutFactory;
  43
  44     /**
  45      * Initializes serializer registry and stores correct factory in field.
  46      */
  47     @Before
  48     public void startUp() {
  49         registry = new SerializerRegistryImpl();
  50         registry.init();
  51         packetOutFactory = registry.getSerializer(
  52                 new MessageTypeKey<>(EncodeConstants.OF10_VERSION_ID, PacketOutInput.class));
  53     }
  54
  55     /**
  56      * Testing of {@link OF10PacketOutInputMessageFactory} for correct translation from POJO.
  57      */
  58     @Test
  59     public void testPacketOutInputMessage() throws Exception {
  60         PacketOutInputBuilder builder = new PacketOutInputBuilder();
  61         BufferHelper.setupHeader(builder, EncodeConstants.OF10_VERSION_ID);
  62         builder.setBufferId(256L);
  63         builder.setInPort(new PortNumber(257L));
  64         final List<Action> actions = new ArrayList<>();
  65         OutputActionCaseBuilder caseBuilder = new OutputActionCaseBuilder();
  66         OutputActionBuilder outputBuilder = new OutputActionBuilder();
  67         outputBuilder.setPort(new PortNumber(42L));
  68         outputBuilder.setMaxLength(50);
  69         caseBuilder.setOutputAction(outputBuilder.build());
  70         ActionBuilder actionBuilder = new ActionBuilder();
  71         actionBuilder.setActionChoice(caseBuilder.build());
  72         actions.add(actionBuilder.build());
  73         actionBuilder = new ActionBuilder();
  74         actionBuilder.setActionChoice(new StripVlanCaseBuilder().build());
  75         builder.setAction(actions);
  76         actions.add(actionBuilder.build());
  77         builder.setAction(actions);
  78         builder.setData(ByteBufUtils.hexStringToBytes("00 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14"));
  79         PacketOutInput message = builder.build();
  80
  81         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
  82         packetOutFactory.serialize(message, out);
  83
  84         BufferHelper.checkHeaderV10(out, (byte) 13, 48);
  85         Assert.assertEquals("Wrong BufferId", 256, out.readUnsignedInt());
  86         Assert.assertEquals("Wrong PortNumber", 257, out.readUnsignedShort());
  87         Assert.assertEquals("Wrong actions length", 16, out.readUnsignedShort());
  88         Assert.assertEquals("Wrong action type", 0, out.readUnsignedShort());
  89         Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
  90         Assert.assertEquals("Wrong port", 42, out.readUnsignedShort());
  91         Assert.assertEquals("Wrong maxlength", 50, out.readUnsignedShort());
  92         Assert.assertEquals("Wrong action type", 3, out.readUnsignedShort());
  93         Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
  94         out.skipBytes(4);
  95         byte[] readData = new byte[out.readableBytes()];
  96         out.readBytes(readData);
  97         Assert.assertArrayEquals("Wrong data", message.getData(), readData);
  98         Assert.assertTrue("Unread data", out.readableBytes() == 0);
  99     }
 100
 101     /**
 102      * Testing of {@link OF10PacketOutInputMessageFactory} for correct translation from POJO.
 103      */
 104     @Test
 105     public void testPacketOutInputWithNoData() throws Exception {
 106         PacketOutInputBuilder builder = new PacketOutInputBuilder();
 107         BufferHelper.setupHeader(builder, EncodeConstants.OF10_VERSION_ID);
 108         builder.setBufferId(256L);
 109         builder.setInPort(new PortNumber(257L));
 110         List<Action> actions = new ArrayList<>();
 111         builder.setAction(actions);
 112         builder.setData(null);
 113         PacketOutInput message = builder.build();
 114
 115         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
 116         packetOutFactory.serialize(message, out);
 117
 118         BufferHelper.checkHeaderV10(out, (byte) 13, 16);
 119         out.skipBytes(8); // skip packet out message to data index
 120         Assert.assertTrue("Unread data", out.readableBytes() == 0);
 121     }
 122 }