Java tutorial
/** * Copyright (c) 2016 Cisco Systems, Inc. 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.nx.codec.match; import static org.junit.Assert.assertEquals; import io.netty.buffer.ByteBuf; import io.netty.buffer.ByteBufAllocator; import org.junit.Before; import org.junit.Test; import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class; 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.openflowjava.nx.match.rev140421.NxmNxNshc1; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nshc._1.grouping.Nshc1ValuesBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc1CaseValue; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.Nshc1CaseValueBuilder; public class Nshc1CodecTest { Nshc1Codec nshc1Codec; ByteBuf buffer; MatchEntry input; private static final int VALUE_LENGTH = 4; private static final int NXM_FIELD_CODE = 115; @Before public void setUp() { nshc1Codec = new Nshc1Codec(); buffer = ByteBufAllocator.DEFAULT.buffer(); } @Test public void serializeTest() { input = createMatchEntry(); nshc1Codec.serialize(input, buffer); assertEquals(OxmMatchConstants.NXM_1_CLASS, buffer.readUnsignedShort()); short fieldMask = buffer.readUnsignedByte(); assertEquals(NXM_FIELD_CODE, fieldMask >> 1); assertEquals(0, fieldMask & 1); assertEquals(VALUE_LENGTH, buffer.readUnsignedByte()); assertEquals(1, buffer.readUnsignedInt()); } @Test public void deserializeTest() { createBuffer(buffer); input = nshc1Codec.deserialize(buffer); Nshc1CaseValue result = ((Nshc1CaseValue) input.getMatchEntryValue()); assertEquals(Nxm1Class.class, input.getOxmClass()); assertEquals(NxmNxNshc1.class, input.getOxmMatchField()); assertEquals(false, input.isHasMask()); assertEquals(2, result.getNshc1Values().getNshc().intValue()); } private MatchEntry createMatchEntry() { MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder(); Nshc1CaseValueBuilder caseBuilder = new Nshc1CaseValueBuilder(); Nshc1ValuesBuilder valuesBuilder = new Nshc1ValuesBuilder(); matchEntryBuilder.setOxmClass(Nxm1Class.class); matchEntryBuilder.setOxmMatchField(NxmNxNshc1.class); matchEntryBuilder.setHasMask(false); valuesBuilder.setNshc((long) 1); caseBuilder.setNshc1Values(valuesBuilder.build()); matchEntryBuilder.setMatchEntryValue(caseBuilder.build()); return matchEntryBuilder.build(); } private void createBuffer(ByteBuf message) { message.writeShort(OxmMatchConstants.NXM_1_CLASS); int fieldMask = (NXM_FIELD_CODE << 1); message.writeByte(fieldMask); message.writeByte(VALUE_LENGTH); message.writeInt(2); } }