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.Test;
  15 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfUdpDst;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.UdpDstCaseValue;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.UdpDstCaseValueBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.udp.dst.grouping.UdpDstValuesBuilder;
  24 import org.opendaylight.yangtools.yang.common.Uint16;
  25
  26 public class UdpDstCodecTest {
  27     private final ByteBuf buffer = ByteBufAllocator.DEFAULT.buffer();
  28     private final UdpDstCodec udpDstCodec = new UdpDstCodec();
  29
  30     private MatchEntry input;
  31
  32     private static final int VALUE_LENGTH = 4;
  33     private static final int NXM_FIELD_CODE = 12;
  34
  35     @Test
  36     public void serializeTest() {
  37         input = createMatchEntry();
  38         udpDstCodec.serialize(input, buffer);
  39
  40         assertEquals(OxmMatchConstants.NXM_0_CLASS, buffer.readUnsignedShort());
  41         short fieldMask = buffer.readUnsignedByte();
  42         assertEquals(NXM_FIELD_CODE, fieldMask >> 1);
  43         assertEquals(1, fieldMask & 1);
  44         assertEquals(VALUE_LENGTH, buffer.readUnsignedByte());
  45         assertEquals(1, buffer.readUnsignedShort());
  46         assertEquals(0xffff, buffer.readUnsignedShort());
  47     }
  48
  49     @Test
  50     public void deserializeTest() {
  51         createBuffer(buffer);
  52
  53         input = udpDstCodec.deserialize(buffer);
  54
  55         final UdpDstCaseValue result = (UdpDstCaseValue) input.getMatchEntryValue();
  56
  57         assertEquals(Nxm0Class.class, input.getOxmClass());
  58         assertEquals(NxmOfUdpDst.class, input.getOxmMatchField());
  59         assertEquals(true, input.getHasMask());
  60         assertEquals(1, result.getUdpDstValues().getPort().getValue().shortValue());
  61         assertEquals(0xffff, result.getUdpDstValues().getMask().shortValue() & 0xffff);
  62     }
  63
  64     private static MatchEntry createMatchEntry() {
  65         MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  66         final UdpDstCaseValueBuilder caseBuilder = new UdpDstCaseValueBuilder();
  67         final UdpDstValuesBuilder valuesBuilder = new UdpDstValuesBuilder();
  68
  69         matchEntryBuilder.setOxmClass(Nxm0Class.class);
  70         matchEntryBuilder.setOxmMatchField(NxmOfUdpDst.class);
  71         matchEntryBuilder.setHasMask(true);
  72
  73         valuesBuilder.setPort(new PortNumber(Uint16.ONE));
  74         valuesBuilder.setMask(Uint16.MAX_VALUE);
  75
  76         caseBuilder.setUdpDstValues(valuesBuilder.build());
  77         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  78         return matchEntryBuilder.build();
  79     }
  80
  81     private static void createBuffer(final ByteBuf message) {
  82         message.writeShort(OxmMatchConstants.NXM_0_CLASS);
  83
  84         int fieldMask = NXM_FIELD_CODE << 1;
  85         message.writeByte(fieldMask);
  86         message.writeByte(VALUE_LENGTH);
  87         //Port num = 1
  88         message.writeShort(1);
  89         message.writeShort(0xffff);
  90     }
  91 }