extension/openflowjava-extension-nicira/src/test/java/org/opendaylight/openflowjava/nx/codec/action/MultipathCodecTest.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.action;
   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.nx.api.NiciraConstants;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxHashFields;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxMpAlgorithm;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipath;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipathBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.multipath.grouping.NxActionMultipathBuilder;
  26
  27 public class MultipathCodecTest {
  28     private static final int LENGTH = 32;
  29     private static final byte NXAST_MULTIPATH_SUBTYPE = 10;
  30
  31     MultipathCodec multipathCodec;
  32     ByteBuf buffer;
  33     Action action;
  34
  35     @Before
  36     public void setUp() {
  37         multipathCodec = new MultipathCodec();
  38         buffer = ByteBufAllocator.DEFAULT.buffer();
  39     }
  40
  41
  42     @Test
  43     public void serializeTest() {
  44         action = createAction();
  45         multipathCodec.serialize(action, buffer);
  46
  47         assertEquals(LENGTH, buffer.readableBytes());
  48         //SerializeHeaders part
  49         assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
  50         assertEquals(LENGTH, buffer.readUnsignedShort());
  51         assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
  52         assertEquals(NXAST_MULTIPATH_SUBTYPE, buffer.readUnsignedShort());
  53
  54         //Serialize part
  55         assertEquals(OfjNxHashFields.NXHASHFIELDSETHSRC.ordinal(), buffer.readUnsignedShort());
  56         assertEquals(2, buffer.readUnsignedShort());
  57         buffer.skipBytes(2);
  58         assertEquals(OfjNxMpAlgorithm.NXMPALGMODULON.ordinal(), buffer.readUnsignedShort());
  59         assertEquals(4, buffer.readUnsignedShort());
  60         assertEquals(5, buffer.readUnsignedInt());
  61     }
  62
  63     @Test
  64     public void deserializeTest() {
  65         createBuffer(buffer);
  66
  67         action = multipathCodec.deserialize(buffer);
  68
  69         ActionMultipath result = (ActionMultipath) action.getActionChoice();
  70
  71         assertEquals(OfjNxHashFields.NXHASHFIELDSETHSRC, result.getNxActionMultipath().getFields());
  72         assertEquals(1, result.getNxActionMultipath().getBasis().intValue());
  73         assertEquals(OfjNxMpAlgorithm.NXMPALGMODULON, result.getNxActionMultipath().getAlgorithm());
  74         assertEquals(2, result.getNxActionMultipath().getMaxLink().shortValue());
  75         assertEquals(3, result.getNxActionMultipath().getArg().intValue());
  76         assertEquals(4, result.getNxActionMultipath().getOfsNbits().shortValue());
  77         assertEquals(5, result.getNxActionMultipath().getDst().intValue());
  78         assertEquals(0, buffer.readableBytes());
  79     }
  80
  81
  82     private static Action createAction() {
  83         ExperimenterId experimenterId = new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
  84         ActionBuilder actionBuilder = new ActionBuilder();
  85         actionBuilder.setExperimenterId(experimenterId);
  86         final ActionMultipathBuilder actionMultipathBuilder = new ActionMultipathBuilder();
  87         NxActionMultipathBuilder nxActionMultipathBuilder = new NxActionMultipathBuilder();
  88
  89         nxActionMultipathBuilder.setFields(OfjNxHashFields.NXHASHFIELDSETHSRC);
  90         nxActionMultipathBuilder.setBasis(2);
  91
  92         nxActionMultipathBuilder.setAlgorithm(OfjNxMpAlgorithm.NXMPALGMODULON);
  93         nxActionMultipathBuilder.setMaxLink(4);
  94         nxActionMultipathBuilder.setArg((long)5);
  95
  96
  97         nxActionMultipathBuilder.setOfsNbits(6);
  98         nxActionMultipathBuilder.setDst((long)7);
  99
 100
 101         actionMultipathBuilder.setNxActionMultipath(nxActionMultipathBuilder.build());
 102         actionBuilder.setActionChoice(actionMultipathBuilder.build());
 103
 104         return actionBuilder.build();
 105     }
 106
 107     private static void createBuffer(ByteBuf message) {
 108         message.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
 109         message.writeShort(LENGTH);
 110         message.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
 111         message.writeShort(NXAST_MULTIPATH_SUBTYPE);
 112
 113         //FIELDS = OfjNxHashFields.NXHASHFIELDSETHSRC
 114         message.writeShort(OfjNxHashFields.NXHASHFIELDSETHSRC.getIntValue());
 115         //BASIS = 1
 116         message.writeShort(1);
 117         //place 2 empty bytes
 118         message.writeZero(2);
 119         //Algorithm = OfjNxMpAlgorithm.NXMPALGMODULON
 120         message.writeShort(OfjNxMpAlgorithm.NXMPALGMODULON.getIntValue());
 121         //MaxLink = 2
 122         message.writeShort(2);
 123         //Arg = 3
 124         message.writeInt(3);
 125         //place 2 empty bytes
 126         message.writeZero(2);
 127         //OfsNbits = 4
 128         message.writeShort(4);
 129         //Dst = 5
 130         message.writeInt(5);
 131     }
 132 }