openflowjava/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 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import io.netty.buffer.UnpooledByteBufAllocator;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import org.junit.Assert;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  19 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  20 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  21 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
  22 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
  23 import org.opendaylight.openflowjava.util.ByteBufUtils;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.PopVlanCaseBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.PushVlanCaseBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.push.vlan._case.PushVlanActionBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType;
  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 import org.opendaylight.yangtools.yang.common.Uint16;
  34 import org.opendaylight.yangtools.yang.common.Uint32;
  35
  36 /**
  37  * Unit tests for PacketOutInputMessageFactory.
  38  *
  39  * @author timotej.kubas
  40  */
  41 public class PacketOutInputMessageFactoryTest {
  42     private static final byte MESSAGE_TYPE = 13;
  43     private static final byte PADDING_IN_PACKET_OUT_MESSAGE = 6;
  44     private static final int PADDING_IN_ACTION_HEADER = 4;
  45     private SerializerRegistry registry;
  46     private OFSerializer<PacketOutInput> packetOutFactory;
  47
  48     /**
  49      * Initializes serializer registry and stores correct factory in field.
  50      */
  51     @Before
  52     public void startUp() {
  53         registry = new SerializerRegistryImpl();
  54         registry.init();
  55         packetOutFactory = registry.getSerializer(
  56                 new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, PacketOutInput.class));
  57     }
  58
  59     /**
  60      * Testing of {@link PacketOutInputMessageFactory} for correct translation from POJO.
  61      */
  62     @Test
  63     public void testPacketOutInputMessage() throws Exception {
  64         PacketOutInputBuilder builder = new PacketOutInputBuilder();
  65         BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
  66         builder.setBufferId(Uint32.valueOf(256));
  67         builder.setInPort(new PortNumber(Uint32.valueOf(256)));
  68         final List<Action> actions = new ArrayList<>();
  69         ActionBuilder actionBuilder = new ActionBuilder();
  70         PushVlanCaseBuilder pushVlanCaseBuilder = new PushVlanCaseBuilder();
  71         PushVlanActionBuilder pushVlanBuilder = new PushVlanActionBuilder();
  72         pushVlanBuilder.setEthertype(new EtherType(new EtherType(Uint16.valueOf(25))));
  73         pushVlanCaseBuilder.setPushVlanAction(pushVlanBuilder.build());
  74         actionBuilder.setActionChoice(pushVlanCaseBuilder.build());
  75         actions.add(actionBuilder.build());
  76         actionBuilder = new ActionBuilder();
  77         actionBuilder.setActionChoice(new PopVlanCaseBuilder().build());
  78         actions.add(actionBuilder.build());
  79         builder.setAction(actions);
  80         builder.setData(ByteBufUtils.hexStringToBytes("00 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14"));
  81         PacketOutInput message = builder.build();
  82
  83         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
  84         packetOutFactory.serialize(message, out);
  85
  86         BufferHelper.checkHeaderV13(out, MESSAGE_TYPE, 56);
  87         Assert.assertEquals("Wrong BufferId", message.getBufferId().longValue(), out.readUnsignedInt());
  88         Assert.assertEquals("Wrong PortNumber", message.getInPort().getValue().longValue(), out.readUnsignedInt());
  89         Assert.assertEquals("Wrong ActionsLength", 16, out.readUnsignedShort());
  90         out.skipBytes(PADDING_IN_PACKET_OUT_MESSAGE);
  91         Assert.assertEquals("Wrong action type", 17, out.readUnsignedShort());
  92         Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
  93         Assert.assertEquals("Wrong ethertype", 25, out.readUnsignedShort());
  94         out.skipBytes(Short.BYTES);
  95         Assert.assertEquals("Wrong action type", 18, out.readUnsignedShort());
  96         Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
  97         out.skipBytes(PADDING_IN_ACTION_HEADER);
  98         byte[] readData = new byte[out.readableBytes()];
  99         out.readBytes(readData);
 100         Assert.assertArrayEquals("Wrong data", message.getData(), readData);
 101     }
 102
 103     /**
 104      * Testing of {@link PacketOutInputMessageFactory} for correct translation from POJO.
 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(Uint32.valueOf(256));
 111         builder.setInPort(new PortNumber(Uint32.valueOf(256)));
 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 }