/* * Copyright (c) 2014 Pantheon Technologies s.r.o. 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.match; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import io.netty.buffer.ByteBuf; import io.netty.buffer.PooledByteBufAllocator; import org.junit.Assert; import org.junit.Test; import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants; import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.EthDst; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass; 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.EthDstCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.eth.dst._case.EthDstBuilder; /** * @author michal.polkorab * */ public class OxmEthDstSerializerTest { OxmEthDstSerializer serializer = new OxmEthDstSerializer(); /** * Test correct serialization */ @Test public void testSerializeWithoutMask() { MatchEntryBuilder builder = prepareMatchEntry(false, "00:01:02:03:04:05"); ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer(); serializer.serialize(builder.build(), buffer); checkHeader(buffer, false); byte[] address = new byte[6]; buffer.readBytes(address); Assert.assertArrayEquals("Wrong address", new byte[]{0, 1, 2, 3, 4, 5}, address); assertTrue("Unexpected data", buffer.readableBytes() == 0); } /** * Test correct serialization */ @Test public void testSerializeWithMask() { MatchEntryBuilder builder = prepareMatchEntry(true, "00:01:02:03:04:0A"); ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer(); serializer.serialize(builder.build(), buffer); checkHeader(buffer, true); byte[] address = new byte[6]; buffer.readBytes(address); Assert.assertArrayEquals("Wrong address", new byte[]{0, 1, 2, 3, 4, 10}, address); byte[] tmp = new byte[6]; buffer.readBytes(tmp); Assert.assertArrayEquals("Wrong mask", new byte[]{15, 15, 0, 0, 10, 10}, tmp); assertTrue("Unexpected data", buffer.readableBytes() == 0); } /** * Test correct header serialization */ @Test public void testSerializeHeaderWithoutMask() { MatchEntryBuilder builder = prepareHeader(false); ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer(); serializer.serializeHeader(builder.build(), buffer); checkHeader(buffer, false); assertTrue("Unexpected data", buffer.readableBytes() == 0); } /** * Test correct header serialization */ @Test public void testSerializeHeaderWithMask() { MatchEntryBuilder builder = prepareHeader(true); ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer(); serializer.serializeHeader(builder.build(), buffer); checkHeader(buffer, true); assertTrue("Unexpected data", buffer.readableBytes() == 0); } /** * Test correct oxm-class return value */ @Test public void testGetOxmClassCode() { assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, serializer.getOxmClassCode()); } /** * Test correct oxm-field return value */ @Test public void getOxmFieldCode() { assertEquals("Wrong oxm-class", OxmMatchConstants.ETH_DST, serializer.getOxmFieldCode()); } /** * Test correct value length return value */ @Test public void testGetValueLength() { assertEquals("Wrong value length", EncodeConstants.MAC_ADDRESS_LENGTH, serializer.getValueLength()); } private static MatchEntryBuilder prepareMatchEntry(boolean hasMask, String value) { MatchEntryBuilder builder = prepareHeader(hasMask); EthDstCaseBuilder casebuilder = new EthDstCaseBuilder(); EthDstBuilder valueBuilder = new EthDstBuilder(); if (hasMask) { valueBuilder.setMask(new byte[]{15, 15, 0, 0, 10, 10}); } valueBuilder.setMacAddress(new MacAddress(value)); casebuilder.setEthDst(valueBuilder.build()); builder.setMatchEntryValue(casebuilder.build()); return builder; } private static MatchEntryBuilder prepareHeader(boolean hasMask) { MatchEntryBuilder builder = new MatchEntryBuilder(); builder.setOxmClass(OpenflowBasicClass.class); builder.setOxmMatchField(EthDst.class); builder.setHasMask(hasMask); return builder; } private static void checkHeader(ByteBuf buffer, boolean hasMask) { assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, buffer.readUnsignedShort()); short fieldAndMask = buffer.readUnsignedByte(); assertEquals("Wrong oxm-field", OxmMatchConstants.ETH_DST, fieldAndMask >>> 1); assertEquals("Wrong hasMask", hasMask, (fieldAndMask & 1) != 0); if (hasMask) { assertEquals("Wrong length", 2 * EncodeConstants.MAC_ADDRESS_LENGTH, buffer.readUnsignedByte()); } else { assertEquals("Wrong length", EncodeConstants.MAC_ADDRESS_LENGTH, buffer.readUnsignedByte()); } } }