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 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.types.rev130731.PacketInReason; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableId; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.InPhyPort; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.IpEcn; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmMatchType; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.InPhyPortCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.IpEcnCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.in.phy.port._case.InPhyPortBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ip.ecn._case.IpEcnBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.MatchBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessageBuilder; /** * @author giuseppex.petralia@intel.com * */ public class PacketInMessageFactoryTest { private OFSerializer<PacketInMessage> factory; private static final byte MESSAGE_TYPE = 10; 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, PacketInMessage.class)); } @Test public void testSerialize() throws Exception { PacketInMessageBuilder builder = new PacketInMessageBuilder(); BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID); builder.setBufferId(256L); builder.setTotalLen(10); builder.setReason(PacketInReason.forValue(0)); builder.setTableId(new TableId(1L)); byte[] cookie = new byte[] { (byte) 0xFF, 0x01, 0x04, 0x01, 0x06, 0x00, 0x07, 0x01 }; builder.setCookie(new BigInteger(1, cookie)); MatchBuilder matchBuilder = new MatchBuilder(); matchBuilder.setType(OxmMatchType.class); List<MatchEntry> entries = new ArrayList<>(); MatchEntryBuilder entriesBuilder = new MatchEntryBuilder(); entriesBuilder.setOxmClass(OpenflowBasicClass.class); entriesBuilder.setOxmMatchField(InPhyPort.class); entriesBuilder.setHasMask(false); InPhyPortCaseBuilder inPhyPortCaseBuilder = new InPhyPortCaseBuilder(); InPhyPortBuilder inPhyPortBuilder = new InPhyPortBuilder(); inPhyPortBuilder.setPortNumber(new PortNumber(42L)); inPhyPortCaseBuilder.setInPhyPort(inPhyPortBuilder.build()); entriesBuilder.setMatchEntryValue(inPhyPortCaseBuilder.build()); entries.add(entriesBuilder.build()); entriesBuilder.setOxmClass(OpenflowBasicClass.class); entriesBuilder.setOxmMatchField(IpEcn.class); entriesBuilder.setHasMask(false); IpEcnCaseBuilder ipEcnCaseBuilder = new IpEcnCaseBuilder(); IpEcnBuilder ipEcnBuilder = new IpEcnBuilder(); ipEcnBuilder.setEcn((short) 4); ipEcnCaseBuilder.setIpEcn(ipEcnBuilder.build()); entriesBuilder.setMatchEntryValue(ipEcnCaseBuilder.build()); entries.add(entriesBuilder.build()); matchBuilder.setMatchEntry(entries); builder.setMatch(matchBuilder.build()); byte[] data = ByteBufUtils.hexStringToBytes("00 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14"); builder.setData(data); PacketInMessage message = builder.build(); ByteBuf serializedBuffer = UnpooledByteBufAllocator.DEFAULT.buffer(); factory.serialize(message, serializedBuffer); BufferHelper.checkHeaderV13(serializedBuffer, MESSAGE_TYPE, 66); Assert.assertEquals("Wrong BufferId", message.getBufferId().longValue(), serializedBuffer.readUnsignedInt()); Assert.assertEquals("Wrong actions length", message.getTotalLen().intValue(), serializedBuffer.readUnsignedShort()); Assert.assertEquals("Wrong reason", message.getReason().getIntValue(), serializedBuffer.readUnsignedByte()); Assert.assertEquals("Wrong tableId", message.getTableId().getValue().intValue(), serializedBuffer.readUnsignedByte()); cookie = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES]; serializedBuffer.readBytes(cookie); Assert.assertEquals("Wrong cookie", message.getCookie(), new BigInteger(1, cookie)); Assert.assertEquals("Wrong match type", 1, serializedBuffer.readUnsignedShort()); serializedBuffer.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES); Assert.assertEquals("Wrong oxm class", 0x8000, serializedBuffer.readUnsignedShort()); short fieldAndMask = serializedBuffer.readUnsignedByte(); Assert.assertEquals("Wrong oxm hasMask", 0, fieldAndMask & 1); Assert.assertEquals("Wrong oxm field", 1, fieldAndMask >> 1); serializedBuffer.skipBytes(EncodeConstants.SIZE_OF_BYTE_IN_BYTES); Assert.assertEquals("Wrong oxm value", 42, serializedBuffer.readUnsignedInt()); Assert.assertEquals("Wrong oxm class", 0x8000, serializedBuffer.readUnsignedShort()); fieldAndMask = serializedBuffer.readUnsignedByte(); Assert.assertEquals("Wrong oxm hasMask", 0, fieldAndMask & 1); Assert.assertEquals("Wrong oxm field", 9, fieldAndMask >> 1); serializedBuffer.skipBytes(EncodeConstants.SIZE_OF_BYTE_IN_BYTES); Assert.assertEquals("Wrong oxm value", 4, serializedBuffer.readUnsignedByte()); serializedBuffer.skipBytes(7); serializedBuffer.skipBytes(PADDING); byte[] readData = new byte[serializedBuffer.readableBytes()]; serializedBuffer.readBytes(readData); Assert.assertArrayEquals("Wrong data", message.getData(), readData); } }