extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/action/OutputReg2CodecTest.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 package org.opendaylight.openflowjava.nx.codec.action;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12
  13 import com.google.common.primitives.Longs;
  14 import io.netty.buffer.ByteBuf;
  15 import io.netty.buffer.ByteBufAllocator;
  16 import java.math.BigInteger;
  17 import org.junit.Before;
  18 import org.junit.Test;
  19 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  20 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionOutputReg2;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionOutputReg2Builder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.output.reg2.grouping.NxActionOutputReg2Builder;
  27 import org.opendaylight.yangtools.yang.common.Uint64;
  28
  29 public class OutputReg2CodecTest {
  30
  31     private static final int LENGTH = 24;
  32     private static final byte SUBTYPE = 32;
  33
  34     private static final int OFS_N_BITS = 1;
  35     private static final int SRC = 2;
  36     private static final int MAX_LEN = 2;
  37     private static final long SRC_EXP = 0xFFFF000000000000L | SRC;
  38     private static final Uint64 SRC_EXP_BIGINT = Uint64.valueOf(new BigInteger(1, Longs.toByteArray(SRC_EXP)));
  39
  40     private OutputReg2Codec outReg2Codec;
  41     private ByteBuf buffer;
  42
  43     @Before
  44     public void setUp() {
  45         outReg2Codec = new OutputReg2Codec();
  46         buffer = ByteBufAllocator.DEFAULT.buffer();
  47     }
  48
  49     @Test
  50     public void deserializeTest() {
  51         createBuffer(buffer, false);
  52
  53         Action action = outReg2Codec.deserialize(buffer);
  54
  55         ActionOutputReg2 result = (ActionOutputReg2) action.getActionChoice();
  56
  57         assertEquals(OFS_N_BITS, result.getNxActionOutputReg2().getNBits().shortValue());
  58         assertEquals(MAX_LEN, result.getNxActionOutputReg2().getMaxLen().shortValue());
  59         assertEquals(Uint64.valueOf(SRC), result.getNxActionOutputReg2().getSrc());
  60         assertFalse(buffer.isReadable());
  61     }
  62
  63     @Test
  64     public void deserializeWithExperimenterTest() {
  65         createBuffer(buffer, true);
  66
  67         Action action = outReg2Codec.deserialize(buffer);
  68
  69         ActionOutputReg2 result = (ActionOutputReg2) action.getActionChoice();
  70
  71         assertEquals(OFS_N_BITS, result.getNxActionOutputReg2().getNBits().shortValue());
  72         assertEquals(MAX_LEN, result.getNxActionOutputReg2().getMaxLen().shortValue());
  73         assertEquals(SRC_EXP_BIGINT, result.getNxActionOutputReg2().getSrc());
  74         assertFalse(buffer.isReadable());
  75     }
  76
  77     @Test
  78     public void serializeTest() {
  79         Action action = createAction(Uint64.valueOf(SRC));
  80         outReg2Codec.serialize(action, buffer);
  81
  82         //SerializeHeader part
  83         assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
  84         assertEquals(LENGTH, buffer.readUnsignedShort());
  85         assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
  86         assertEquals(SUBTYPE, buffer.readUnsignedShort());
  87
  88         //Serialize part
  89         assertEquals(OFS_N_BITS, buffer.readUnsignedShort());
  90         assertEquals(MAX_LEN, buffer.readUnsignedShort());
  91         assertEquals(SRC, buffer.readUnsignedInt());
  92
  93         // padding
  94         assertEquals(0, buffer.readUnsignedInt());
  95         assertEquals(0, buffer.readUnsignedShort());
  96
  97         assertFalse(buffer.isReadable());
  98     }
  99
 100     @Test
 101     public void serializeWithExperimenterTest() {
 102         Action action = createAction(SRC_EXP_BIGINT);
 103         outReg2Codec.serialize(action, buffer);
 104
 105         //SerializeHeader part
 106         assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
 107         assertEquals(LENGTH, buffer.readUnsignedShort());
 108         assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
 109         assertEquals(SUBTYPE, buffer.readUnsignedShort());
 110
 111         //Serialize part
 112         assertEquals(OFS_N_BITS, buffer.readUnsignedShort());
 113         assertEquals(MAX_LEN, buffer.readUnsignedShort());
 114         assertEquals(SRC_EXP, buffer.readLong());
 115
 116         // padding
 117         assertEquals(0, buffer.readUnsignedShort());
 118
 119         assertFalse(buffer.isReadable());
 120     }
 121
 122     private static Action createAction(final Uint64 src) {
 123         ExperimenterId experimenterId = new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
 124         ActionBuilder actionBuilder = new ActionBuilder();
 125         actionBuilder.setExperimenterId(experimenterId);
 126         final ActionOutputReg2Builder actionOutputReg2Builder = new ActionOutputReg2Builder();
 127         NxActionOutputReg2Builder nxActionOutputBuilder = new NxActionOutputReg2Builder();
 128
 129         nxActionOutputBuilder.setNBits(OFS_N_BITS);
 130         nxActionOutputBuilder.setSrc(src);
 131         nxActionOutputBuilder.setMaxLen(MAX_LEN);
 132
 133         actionOutputReg2Builder.setNxActionOutputReg2(nxActionOutputBuilder.build());
 134         actionBuilder.setActionChoice(actionOutputReg2Builder.build());
 135
 136         return actionBuilder.build();
 137     }
 138
 139     private static void createBuffer(final ByteBuf message, final boolean withExpSrc) {
 140         message.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
 141         message.writeShort(LENGTH);
 142         message.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
 143         message.writeShort(SUBTYPE);
 144         message.writeShort(OFS_N_BITS);
 145         message.writeShort(MAX_LEN);
 146         if (withExpSrc) {
 147             message.writeLong(SRC_EXP);
 148             message.writeZero(2);
 149         } else {
 150             message.writeInt(SRC);
 151             message.writeZero(6);
 152         }
 153     }
 154 }