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
   9 package org.opendaylight.openflowjava.nx.codec.action;
  10
  11 import static org.junit.Assert.assertEquals;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.ByteBufAllocator;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxHashFields;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxMpAlgorithm;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipath;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipathBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.multipath.grouping.NxActionMultipathBuilder;
  27
  28 public class MultipathCodecTest {
  29
  30     MultipathCodec multipathCodec;
  31     ByteBuf buffer;
  32     Action action;
  33
  34     private final int LENGTH = 32;
  35     private final byte NXAST_MULTIPATH_SUBTYPE = 10;
  36
  37
  38     @Before
  39     public void setUp() {
  40         multipathCodec = new MultipathCodec();
  41         buffer = ByteBufAllocator.DEFAULT.buffer();
  42     }
  43
  44
  45     @Test
  46     public void serializeTest() {
  47         action = createAction();
  48         multipathCodec.serialize(action, buffer);
  49
  50         assertEquals(LENGTH, buffer.readableBytes());
  51         //SerializeHeaders part
  52         assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
  53         assertEquals(LENGTH, buffer.readUnsignedShort());
  54         assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
  55         assertEquals(NXAST_MULTIPATH_SUBTYPE, buffer.readUnsignedShort());
  56
  57         //Serialize part
  58         assertEquals(OfjNxHashFields.NXHASHFIELDSETHSRC.ordinal(), buffer.readUnsignedShort());
  59         assertEquals(2, buffer.readUnsignedShort());
  60         buffer.skipBytes(2);
  61         assertEquals(OfjNxMpAlgorithm.NXMPALGMODULON.ordinal(), buffer.readUnsignedShort());
  62         assertEquals(4, buffer.readUnsignedShort());
  63         assertEquals(5, buffer.readUnsignedInt());
  64     }
  65
  66     @Test
  67     public void deserializeTest() {
  68         createBuffer(buffer);
  69
  70         action = multipathCodec.deserialize(buffer);
  71
  72         ActionMultipath result = (ActionMultipath) action.getActionChoice();
  73
  74         assertEquals(OfjNxHashFields.NXHASHFIELDSETHSRC, result.getNxActionMultipath().getFields());
  75         assertEquals(1, result.getNxActionMultipath().getBasis().intValue());
  76         assertEquals(OfjNxMpAlgorithm.NXMPALGMODULON, result.getNxActionMultipath().getAlgorithm());
  77         assertEquals(2, result.getNxActionMultipath().getMaxLink().shortValue());
  78         assertEquals(3, result.getNxActionMultipath().getArg().intValue());
  79         assertEquals(4, result.getNxActionMultipath().getOfsNbits().shortValue());
  80         assertEquals(5, result.getNxActionMultipath().getDst().intValue());
  81         assertEquals(0, buffer.readableBytes());
  82     }
  83
  84
  85     private Action createAction() {
  86         ExperimenterId experimenterId = new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
  87         ActionBuilder actionBuilder = new ActionBuilder();
  88         actionBuilder.setExperimenterId(experimenterId);
  89         ActionMultipathBuilder actionMultipathBuilder = new ActionMultipathBuilder();
  90         NxActionMultipathBuilder nxActionMultipathBuilder = new NxActionMultipathBuilder();
  91
  92         nxActionMultipathBuilder.setFields(OfjNxHashFields.NXHASHFIELDSETHSRC);
  93         nxActionMultipathBuilder.setBasis(2);
  94
  95         nxActionMultipathBuilder.setAlgorithm(OfjNxMpAlgorithm.NXMPALGMODULON);
  96         nxActionMultipathBuilder.setMaxLink(4);
  97         nxActionMultipathBuilder.setArg((long)5);
  98
  99
 100         nxActionMultipathBuilder.setOfsNbits(6);
 101         nxActionMultipathBuilder.setDst((long)7);
 102
 103
 104         actionMultipathBuilder.setNxActionMultipath(nxActionMultipathBuilder.build());
 105         actionBuilder.setActionChoice(actionMultipathBuilder.build());
 106
 107         return actionBuilder.build();
 108     }
 109
 110     private void createBuffer(ByteBuf message) {
 111         message.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
 112         message.writeShort(LENGTH);
 113         message.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
 114         message.writeShort(NXAST_MULTIPATH_SUBTYPE);
 115
 116         //FIELDS = OfjNxHashFields.NXHASHFIELDSETHSRC
 117         message.writeShort(OfjNxHashFields.NXHASHFIELDSETHSRC.getIntValue());
 118         //BASIS = 1
 119         message.writeShort(1);
 120         //place 2 empty bytes
 121         message.writeZero(2);
 122         //Algorithm = OfjNxMpAlgorithm.NXMPALGMODULON
 123         message.writeShort(OfjNxMpAlgorithm.NXMPALGMODULON.getIntValue());
 124         //MaxLink = 2
 125         message.writeShort(2);
 126         //Arg = 3
 127         message.writeInt(3);
 128         //place 2 empty bytes
 129         message.writeZero(2);
 130         //OfsNbits = 4
 131         message.writeShort(4);
 132         //Dst = 5
 133         message.writeInt(5);
 134     }
 135 }