/*
* Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.UnpooledByteBufAllocator;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
import org.opendaylight.openflowjava.util.ByteBufUtils;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.PopVlanCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.PushVlanCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.push.vlan._case.PushVlanActionBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInputBuilder;
/**
* @author timotej.kubas
*
*/
public class PacketOutInputMessageFactoryTest {
private static final byte MESSAGE_TYPE = 13;
private static final byte PADDING_IN_PACKET_OUT_MESSAGE = 6;
private static final int PADDING_IN_ACTION_HEADER = 4;
private SerializerRegistry registry;
private OFSerializer<PacketOutInput> packetOutFactory;
/**
* Initializes serializer registry and stores correct factory in field
*/
@Before
public void startUp() {
registry = new SerializerRegistryImpl();
registry.init();
packetOutFactory = registry.getSerializer(
new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, PacketOutInput.class));
}
/**
* Testing of {@link PacketOutInputMessageFactory} for correct translation from POJO
* @throws Exception
*/
@Test
public void testPacketOutInputMessage() throws Exception {
PacketOutInputBuilder builder = new PacketOutInputBuilder();
BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
builder.setBufferId(256L);
builder.setInPort(new PortNumber(256L));
List<Action> actions = new ArrayList<>();
ActionBuilder actionBuilder = new ActionBuilder();
PushVlanCaseBuilder pushVlanCaseBuilder = new PushVlanCaseBuilder();
PushVlanActionBuilder pushVlanBuilder = new PushVlanActionBuilder();
pushVlanBuilder.setEthertype(new EtherType(new EtherType(25)));
pushVlanCaseBuilder.setPushVlanAction(pushVlanBuilder.build());
actionBuilder.setActionChoice(pushVlanCaseBuilder.build());
actions.add(actionBuilder.build());
actionBuilder = new ActionBuilder();
actionBuilder.setActionChoice(new PopVlanCaseBuilder().build());
actions.add(actionBuilder.build());
builder.setAction(actions);
builder.setData(ByteBufUtils.hexStringToBytes("00 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14"));
PacketOutInput message = builder.build();
ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
packetOutFactory.serialize(message, out);
BufferHelper.checkHeaderV13(out, MESSAGE_TYPE, 56);
Assert.assertEquals("Wrong BufferId", message.getBufferId().longValue(), out.readUnsignedInt());
Assert.assertEquals("Wrong PortNumber", message.getInPort().getValue().longValue(), out.readUnsignedInt());
Assert.assertEquals("Wrong ActionsLength", 16, out.readUnsignedShort());
out.skipBytes(PADDING_IN_PACKET_OUT_MESSAGE);
Assert.assertEquals("Wrong action type", 17, out.readUnsignedShort());
Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
Assert.assertEquals("Wrong ethertype", 25, out.readUnsignedShort());
out.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
Assert.assertEquals("Wrong action type", 18, out.readUnsignedShort());
Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort());
out.skipBytes(PADDING_IN_ACTION_HEADER);
byte[] readData = new byte[out.readableBytes()];
out.readBytes(readData);
Assert.assertArrayEquals("Wrong data", message.getData(), readData);
}
/**
* Testing of {@link PacketOutInputMessageFactory} for correct translation from POJO
* @throws Exception
*/
@Test
public void testPacketOutInputWithNoData() throws Exception {
PacketOutInputBuilder builder = new PacketOutInputBuilder();
BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
builder.setBufferId(256L);
builder.setInPort(new PortNumber(256L));
List<Action> actions = new ArrayList<>();
builder.setAction(actions);
builder.setData(null);
PacketOutInput message = builder.build();
ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
packetOutFactory.serialize(message, out);
BufferHelper.checkHeaderV13(out, MESSAGE_TYPE, 24);
out.skipBytes(16); // skip packet out message to data index
Assert.assertTrue("Unexpected data", out.readableBytes() == 0);
}
}