extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/match/UdpDstCodecTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowjava.nx.codec.match;
   9
  10 import static org.junit.Assert.assertEquals;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.ByteBufAllocator;
  14 import org.junit.Before;
  15 import org.junit.Test;
  16 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfUdpDst;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.udp.dst.grouping.UdpDstValuesBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.UdpDstCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.UdpDstCaseValueBuilder;
  25
  26 public class UdpDstCodecTest {
  27
  28     UdpDstCodec udpDstCodec;
  29     ByteBuf buffer;
  30     MatchEntry input;
  31
  32     private static final int VALUE_LENGTH = 4;
  33     private static final int NXM_FIELD_CODE = 12;
  34
  35     @Before
  36     public void setUp() {
  37         udpDstCodec = new UdpDstCodec();
  38         buffer = ByteBufAllocator.DEFAULT.buffer();
  39     }
  40
  41     @Test
  42     public void serializeTest() {
  43         input = createMatchEntry();
  44         udpDstCodec.serialize(input, buffer);
  45
  46         assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
  47         short fieldMask = buffer.readUnsignedByte();
  48         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  49         assertEquals(1, fieldMask & 1);
  50         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  51         assertEquals(1, buffer.readUnsignedShort());
  52         assertEquals(0xffff, buffer.readUnsignedShort());
  53     }
  54
  55     @Test
  56     public void deserializeTest() {
  57         createBuffer(buffer);
  58
  59         input = udpDstCodec.deserialize(buffer);
  60
  61         final UdpDstCaseValue result = (UdpDstCaseValue) input.getMatchEntryValue();
  62
  63         assertEquals(Nxm0Class.class, input.getOxmClass());
  64         assertEquals(NxmOfUdpDst.class, input.getOxmMatchField());
  65         assertEquals(true, input.isHasMask());
  66         assertEquals(1, result.getUdpDstValues().getPort().getValue().shortValue());
  67         assertEquals(0xffff, result.getUdpDstValues().getMask().shortValue() & 0xffff);
  68     }
  69
  70     private static MatchEntry createMatchEntry() {
  71         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  72         final UdpDstCaseValueBuilder caseBuilder = new UdpDstCaseValueBuilder();
  73         final UdpDstValuesBuilder valuesBuilder = new UdpDstValuesBuilder();
  74
  75         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  76         matchEntryBuilder.setOxmMatchField(NxmOfUdpDst.class);
  77         matchEntryBuilder.setHasMask(true);
  78
  79         valuesBuilder.setPort(new PortNumber(1));
  80         valuesBuilder.setMask(0xffff);
  81
  82         caseBuilder.setUdpDstValues(valuesBuilder.build());
  83         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  84         return matchEntryBuilder.build();
  85     }
  86
  87     private static void createBuffer(ByteBuf message) {
  88         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  89
  90         int fieldMask = NXM_FIELD_CODE << 1;
  91         message.writeByte(fieldMask);
  92         message.writeByte(VALUE_LENGTH);
  93         //Port num = 1
  94         message.writeShort(1);
  95         message.writeShort(0xffff);
  96     }
  97 }