openflowjava/openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/OxmPacketTypeSerializerTest.java

   1 /*
   2  * Copyright (c) 2018 SUSE LINUX GmbH.  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
   9 package org.opendaylight.openflowjava.protocol.impl.serialization.match;
  10
  11 import static org.junit.Assert.assertEquals;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.PooledByteBufAllocator;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.PacketType;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.PacketTypeCase;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.PacketTypeCaseBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.packet.type._case.PacketTypeBuilder;
  26
  27 public class OxmPacketTypeSerializerTest {
  28
  29     private ByteBuf buffer;
  30     private OxmPacketTypeSerializer serializer;
  31
  32     @Before
  33     public void setup() {
  34         buffer = PooledByteBufAllocator.DEFAULT.buffer();
  35         serializer = new OxmPacketTypeSerializer();
  36     }
  37
  38     @Test
  39     public void serializeTest() {
  40         final long packetType = 0x1894f;
  41         MatchEntry matchEntry = createMatchEntry(packetType);
  42
  43         serializer.serialize(matchEntry, buffer);
  44
  45         assertEquals(OxmMatchConstants.OPENFLOW_BASIC_CLASS, buffer.readUnsignedShort());
  46         short fieldMask = buffer.readUnsignedByte();
  47         assertEquals(OxmMatchConstants.PACKET_TYPE, fieldMask >> 1);
  48         assertEquals(0, fieldMask & 1);
  49         assertEquals(EncodeConstants.SIZE_OF_INT_IN_BYTES, buffer.readUnsignedByte());
  50         assertEquals(packetType, buffer.readUnsignedInt());
  51     }
  52
  53     private MatchEntry createMatchEntry(long packetType) {
  54         PacketTypeCase packetTypeCase = new PacketTypeCaseBuilder()
  55                 .setPacketType(new PacketTypeBuilder().setPacketType(packetType).build())
  56                 .build();
  57         return new MatchEntryBuilder()
  58                 .setOxmClass(OpenflowBasicClass.class)
  59                 .setOxmMatchField(PacketType.class)
  60                 .setHasMask(false)
  61                 .setMatchEntryValue(packetTypeCase)
  62                 .build();
  63     }
  64 }