openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/PacketOutInputMessageFactoryTest.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
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  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.api.util.EncodeConstants;
  24 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
  25 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
  26 import org.opendaylight.openflowjava.util.ByteBufUtils;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.EthertypeAction;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.EthertypeActionBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopVlan;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushVlan;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.ActionBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInputBuilder;
  37
  38 /**
  39  * @author timotej.kubas
  40  *
  41  */
  42 public class PacketOutInputMessageFactoryTest {
  43     private static final byte MESSAGE_TYPE = 13;
  44     private static final byte PADDING_IN_PACKET_OUT_MESSAGE = 6;
  45     private static final int PADDING_IN_ACTION_HEADER = 4;
  46     private SerializerRegistry registry;
  47     private OFSerializer<PacketOutInput> packetOutFactory;
  48
  49     /**
  50      * Initializes serializer registry and stores correct factory in field
  51      */
  52     @Before
  53     public void startUp() {
  54         registry = new SerializerRegistryImpl();
  55         registry.init();
  56         packetOutFactory = registry.getSerializer(
  57                 new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, PacketOutInput.class));
  58     }
  59
  60     /**
  61      * Testing of {@link PacketOutInputMessageFactory} for correct translation from POJO
  62      * @throws Exception
  63      */
  64     @Test
  65     public void testPacketOutInputMessage() throws Exception {
  66         PacketOutInputBuilder builder = new PacketOutInputBuilder();
  67         BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
  68         builder.setBufferId(256L);
  69         builder.setInPort(new PortNumber(256L));
  70         List<Action> actions = new ArrayList<>();
  71         ActionBuilder actionBuilder = new ActionBuilder();
  72         actionBuilder.setType(PushVlan.class);
  73         EthertypeActionBuilder ethertypeBuilder = new EthertypeActionBuilder();
  74         ethertypeBuilder.setEthertype(new EtherType(25));
  75         actionBuilder.addAugmentation(EthertypeAction.class, ethertypeBuilder.build());
  76         actions.add(actionBuilder.build());
  77         actionBuilder = new ActionBuilder();
  78         actionBuilder.setType(PopVlan.class);
  79         actions.add(actionBuilder.build());
  80         builder.setAction(actions);
  81         builder.setData(ByteBufUtils.hexStringToBytes("00 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14"));
  82         PacketOutInput message = builder.build();
  83
  84         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
  85         packetOutFactory.serialize(message, out);
  86
  87         BufferHelper.checkHeaderV13(out, MESSAGE_TYPE, 56);
  88         Assert.assertEquals("Wrong BufferId", message.getBufferId().longValue(), out.readUnsignedInt());
  89         Assert.assertEquals("Wrong PortNumber", message.getInPort().getValue().longValue(), out.readUnsignedInt());
  90         Assert.assertEquals("Wrong ActionsLength", 16, out.readUnsignedShort());
  91         out.skipBytes(PADDING_IN_PACKET_OUT_MESSAGE);
  92         Assert.assertEquals("Wrong action type", 17, out.readUnsignedShort());
  93         Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
  94         Assert.assertEquals("Wrong ethertype", 25, out.readUnsignedShort());
  95         out.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  96         Assert.assertEquals("Wrong action type", 18, out.readUnsignedShort());
  97         Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
  98         out.skipBytes(PADDING_IN_ACTION_HEADER);
  99         Assert.assertArrayEquals("Wrong data", message.getData(), out.readBytes(out.readableBytes()).array());
 100     }
 101
 102     /**
 103      * Testing of {@link PacketOutInputMessageFactory} for correct translation from POJO
 104      * @throws Exception
 105      */
 106     @Test
 107     public void testPacketOutInputWithNoData() throws Exception {
 108         PacketOutInputBuilder builder = new PacketOutInputBuilder();
 109         BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
 110         builder.setBufferId(256L);
 111         builder.setInPort(new PortNumber(256L));
 112         List<Action> actions = new ArrayList<>();
 113         builder.setAction(actions);
 114         builder.setData(null);
 115         PacketOutInput message = builder.build();
 116
 117         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
 118         packetOutFactory.serialize(message, out);
 119
 120         BufferHelper.checkHeaderV13(out, MESSAGE_TYPE, 24);
 121         out.skipBytes(16); // skip packet out message to data index
 122         Assert.assertTrue("Unexpected data", out.readableBytes() == 0);
 123     }
 124 }