Java tutorial
/* * Copyright (C) 2009 Swedish Institute of Computer Science (SICS) Copyright (C) * 2009 Royal Institute of Technology (KTH) * * GVoD 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.nat; import com.google.common.base.Optional; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.UnknownHostException; import java.util.ArrayList; import java.util.Objects; import org.junit.Assert; import org.junit.BeforeClass; import org.junit.Test; 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.Identifier; 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.OverlayRegistry; import se.sics.ktoolbox.util.network.basic.BasicAddress; import se.sics.ktoolbox.util.setup.BasicSerializerSetup; /** * * @author Alex Ormenisan <aaor@kth.se> */ public class NatAwareAddressImplSerializerTest { @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); } @Test public void testOpenAddress() throws UnknownHostException { Serializer serializer = Serializers.lookupSerializer(NatAwareAddressImpl.class); NatAwareAddressImpl original, copy; ByteBuf buf; IdentifierFactory nodeIdFactory = IdentifierRegistry.lookup(BasicIdentifiers.Values.NODE.toString()); BasicAddress address = new BasicAddress(InetAddress.getLocalHost(), 10000, nodeIdFactory.randomId()); original = NatAwareAddressImpl.open(address); buf = Unpooled.buffer(); serializer.toBinary(original, buf); ByteBuf copyBuf = Unpooled.buffer(); buf.getBytes(0, copyBuf, buf.readableBytes()); copy = (NatAwareAddressImpl) serializer.fromBinary(copyBuf, Optional.absent()); Assert.assertEquals(original.getPublicAdr(), copy.getPublicAdr()); Assert.assertEquals(original.getNatType(), copy.getNatType()); Assert.assertTrue(Objects.equals(original.parents, copy.parents)); Assert.assertFalse(copy.getPrivateAdr().isPresent()); Assert.assertEquals(0, copyBuf.readableBytes()); } @Test public void testNatedAddress() throws UnknownHostException { Serializer serializer = Serializers.lookupSerializer(NatAwareAddressImpl.class); NatAwareAddressImpl original, copy; ByteBuf buf, copyBuf; IdentifierFactory nodeIdFactory = IdentifierRegistry.lookup(BasicIdentifiers.Values.NODE.toString()); Identifier nodeId = nodeIdFactory.randomId(); BasicAddress privateAdr = new BasicAddress(InetAddress.getByName("192.100.100.2"), 10000, nodeId); BasicAddress publicAdr = new BasicAddress(InetAddress.getByName("193.200.200.2"), 20000, nodeId); NatType natType = NatType.nated(Nat.MappingPolicy.HOST_DEPENDENT, Nat.AllocationPolicy.PORT_CONTIGUITY, 1, Nat.FilteringPolicy.HOST_DEPENDENT, 10000); ArrayList<BasicAddress> parents = new ArrayList<>(); BasicAddress parent; parent = new BasicAddress(InetAddress.getByName("193.200.200.3"), 10000, nodeIdFactory.randomId()); parents.add(parent); parent = new BasicAddress(InetAddress.getByName("193.200.200.4"), 10001, nodeIdFactory.randomId()); parents.add(parent); original = NatAwareAddressImpl.nated(privateAdr, publicAdr, natType, parents); buf = Unpooled.buffer(); serializer.toBinary(original, buf); copyBuf = Unpooled.buffer(); buf.getBytes(0, copyBuf, buf.readableBytes()); copy = (NatAwareAddressImpl) serializer.fromBinary(copyBuf, Optional.absent()); Assert.assertEquals(original.getPublicAdr(), copy.getPublicAdr()); Assert.assertEquals(original.getNatType(), copy.getNatType()); Assert.assertTrue(Objects.equals(original.parents, copy.parents)); Assert.assertFalse(copy.getPrivateAdr().isPresent()); Assert.assertEquals(0, copyBuf.readableBytes()); copyBuf = Unpooled.buffer(); buf.getBytes(0, copyBuf, buf.readableBytes()); InetSocketAddress isa = new InetSocketAddress(privateAdr.getIp(), privateAdr.getPort()); copy = (NatAwareAddressImpl) serializer.fromBinary(copyBuf, Optional.of((Object) isa)); Assert.assertEquals(original.getPublicAdr(), copy.getPublicAdr()); Assert.assertEquals(original.getNatType(), copy.getNatType()); Assert.assertTrue(Objects.equals(original.parents, copy.parents)); Assert.assertTrue(copy.getPrivateAdr().isPresent()); Assert.assertEquals(original.getPrivateAdr().get(), copy.getPrivateAdr().get()); Assert.assertEquals(0, copyBuf.readableBytes()); } }