Java tutorial
/* * Copyright (C) 2009 Swedish Institute of Computer Science (SICS) Copyright (C) * 2009 Royal Institute of Technology (KTH) * * KompicsToolbox is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package se.sics.ktoolbox.util.network.basic; import com.google.common.base.Optional; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import java.net.InetAddress; import java.net.UnknownHostException; import org.junit.Assert; import org.junit.BeforeClass; import org.junit.Test; import se.sics.kompics.network.Transport; import se.sics.kompics.network.netty.serialization.Serializer; import se.sics.kompics.network.netty.serialization.Serializers; import se.sics.ktoolbox.util.identifiable.BasicIdentifiers; import se.sics.ktoolbox.util.identifiable.IdentifierFactory; import se.sics.ktoolbox.util.identifiable.IdentifierRegistry; import se.sics.ktoolbox.util.identifiable.overlay.OverlayId; import se.sics.ktoolbox.util.identifiable.overlay.OverlayIdFactory; import se.sics.ktoolbox.util.identifiable.overlay.OverlayRegistry; import se.sics.ktoolbox.util.setup.BasicSerializerSetup; /** * @author Alex Ormenisan <aaor@kth.se> */ public class BasicContentMsgSerializerTest { @BeforeClass public static void setup() { OverlayRegistry.initiate(new OverlayId.BasicTypeFactory((byte) 0), new OverlayId.BasicTypeComparator()); BasicIdentifiers.registerDefaults(1234l); int serializerId = 128; serializerId = BasicSerializerSetup.registerBasicSerializers(serializerId); TestSerializer testSerializer = new TestSerializer(serializerId++); Serializers.register(testSerializer, "testSerializer"); Serializers.register(TestContent.class, "testSerializer"); } @Test public void testBasicContentMsg() { Serializer serializer = Serializers.lookupSerializer(BasicContentMsg.class); BasicContentMsg original, copy; ByteBuf serializedOriginal, serializedCopy; InetAddress localHost; try { localHost = InetAddress.getByName("localhost"); } catch (UnknownHostException ex) { throw new RuntimeException(ex); } IdentifierFactory nodeIdFactory = IdentifierRegistry.lookup(BasicIdentifiers.Values.NODE.toString()); BasicAddress basicAdr1 = new BasicAddress(localHost, 10000, nodeIdFactory.randomId()); BasicAddress basicAdr2 = new BasicAddress(localHost, 10000, nodeIdFactory.randomId()); BasicAddress basicAdr3 = new BasicAddress(localHost, 10000, nodeIdFactory.randomId()); BasicAddress basicAdr4 = new BasicAddress(localHost, 10000, nodeIdFactory.randomId()); byte ownerId = 1; IdentifierFactory baseOverlayIdFactory = IdentifierRegistry .lookup(BasicIdentifiers.Values.OVERLAY.toString()); OverlayIdFactory overlayIdFactory = new OverlayIdFactory(baseOverlayIdFactory, OverlayId.BasicTypes.CROUPIER, ownerId); DecoratedHeader header = new DecoratedHeader(new BasicHeader(basicAdr1, basicAdr4, Transport.UDP), overlayIdFactory.randomId()); TestContent content = new TestContent(5); original = new BasicContentMsg(header, content); serializedOriginal = Unpooled.buffer(); serializer.toBinary(original, serializedOriginal); serializedCopy = Unpooled.buffer(); serializedOriginal.getBytes(0, serializedCopy, serializedOriginal.readableBytes()); copy = (BasicContentMsg) serializer.fromBinary(serializedCopy, Optional.absent()); Assert.assertEquals(original.getHeader().getSource(), copy.getHeader().getSource()); Assert.assertEquals(original.getHeader().getDestination(), copy.getHeader().getDestination()); Assert.assertEquals(original.getHeader().getProtocol(), copy.getHeader().getProtocol()); Assert.assertEquals(original.getContent(), copy.getContent()); Assert.assertEquals(0, serializedCopy.readableBytes()); } public static class TestContent { public final int val; public TestContent(int val) { this.val = val; } @Override public int hashCode() { int hash = 7; hash = 59 * hash + this.val; return hash; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final TestContent other = (TestContent) obj; if (this.val != other.val) { return false; } return true; } } public static class TestSerializer implements Serializer { public final int id; public TestSerializer(int id) { this.id = id; } @Override public int identifier() { return id; } @Override public void toBinary(Object o, ByteBuf buf) { TestContent obj = (TestContent) o; buf.writeInt(obj.val); } @Override public Object fromBinary(ByteBuf buf, Optional<Object> hint) { return new TestContent(buf.readInt()); } } }