Java tutorial
/* * Copyright (c) 2015 NetIDE Consortium 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.math.BigInteger; 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.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Capabilities; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutputBuilder; public class GetFeaturesOutputFactoryTest { private OFSerializer<GetFeaturesOutput> factory; private static final byte MESSAGE_TYPE = 6; private static final byte PADDING = 2; @Before public void startUp() { SerializerRegistry registry = new SerializerRegistryImpl(); registry.init(); factory = registry .getSerializer(new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, GetFeaturesOutput.class)); } @Test public void testSerialize() throws Exception { GetFeaturesOutputBuilder builder = new GetFeaturesOutputBuilder(); BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID); builder.setDatapathId(BigInteger.valueOf(1234L)); builder.setBuffers(1234L); builder.setTables((short) 12); builder.setAuxiliaryId((short) 12); builder.setCapabilities(new Capabilities(true, false, true, false, true, false, true)); builder.setReserved(1234L); GetFeaturesOutput message = builder.build(); ByteBuf serializedBuffer = UnpooledByteBufAllocator.DEFAULT.buffer(); factory.serialize(message, serializedBuffer); BufferHelper.checkHeaderV13(serializedBuffer, MESSAGE_TYPE, 32); Assert.assertEquals("Wrong DatapathId", message.getDatapathId().longValue(), serializedBuffer.readLong()); Assert.assertEquals("Wrong Buffer ID", message.getBuffers().longValue(), serializedBuffer.readInt()); Assert.assertEquals("Wrong tables", message.getTables().shortValue(), serializedBuffer.readUnsignedByte()); Assert.assertEquals("Wrong auxiliary ID", message.getAuxiliaryId().shortValue(), serializedBuffer.readUnsignedByte()); serializedBuffer.skipBytes(PADDING); Assert.assertEquals("Wrong Capabilities", message.getCapabilities(), createCapabilities(serializedBuffer.readInt())); Assert.assertEquals("Wrong reserved", message.getReserved().longValue(), serializedBuffer.readInt()); } private static Capabilities createCapabilities(int input) { final Boolean one = (input & (1 << 0)) > 0; final Boolean two = (input & (1 << 1)) > 0; final Boolean three = (input & (1 << 2)) > 0; final Boolean four = (input & (1 << 3)) > 0; final Boolean five = (input & (1 << 5)) > 0; final Boolean six = (input & (1 << 6)) > 0; final Boolean seven = (input & (1 << 8)) > 0; return new Capabilities(one, four, five, seven, three, six, two); } }