/**
* Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowjava.nx.codec.action;
import static org.junit.Assert.assertEquals;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import org.junit.Before;
import org.junit.Test;
import org.opendaylight.openflowjava.nx.api.NiciraConstants;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxHashFields;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.OfjNxMpAlgorithm;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipath;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipathBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.multipath.grouping.NxActionMultipathBuilder;
public class MultipathCodecTest {
MultipathCodec multipathCodec;
ByteBuf buffer;
Action action;
private final int LENGTH = 32;
private final byte NXAST_MULTIPATH_SUBTYPE = 10;
@Before
public void setUp() {
multipathCodec = new MultipathCodec();
buffer = ByteBufAllocator.DEFAULT.buffer();
}
@Test
public void serializeTest() {
action = createAction();
multipathCodec.serialize(action, buffer);
assertEquals(LENGTH, buffer.readableBytes());
//SerializeHeaders part
assertEquals(EncodeConstants.EXPERIMENTER_VALUE, buffer.readUnsignedShort());
assertEquals(LENGTH, buffer.readUnsignedShort());
assertEquals(NiciraConstants.NX_VENDOR_ID.intValue(), buffer.readUnsignedInt());
assertEquals(NXAST_MULTIPATH_SUBTYPE, buffer.readUnsignedShort());
//Serialize part
assertEquals(OfjNxHashFields.NXHASHFIELDSETHSRC.ordinal(), buffer.readUnsignedShort());
assertEquals(2, buffer.readUnsignedShort());
buffer.skipBytes(2);
assertEquals(OfjNxMpAlgorithm.NXMPALGMODULON.ordinal(), buffer.readUnsignedShort());
assertEquals(4, buffer.readUnsignedShort());
assertEquals(5, buffer.readUnsignedInt());
}
@Test
public void deserializeTest() {
createBuffer(buffer);
action = multipathCodec.deserialize(buffer);
ActionMultipath result = (ActionMultipath) action.getActionChoice();
assertEquals(OfjNxHashFields.NXHASHFIELDSETHSRC, result.getNxActionMultipath().getFields());
assertEquals(1, result.getNxActionMultipath().getBasis().intValue());
assertEquals(OfjNxMpAlgorithm.NXMPALGMODULON, result.getNxActionMultipath().getAlgorithm());
assertEquals(2, result.getNxActionMultipath().getMaxLink().shortValue());
assertEquals(3, result.getNxActionMultipath().getArg().intValue());
assertEquals(4, result.getNxActionMultipath().getOfsNbits().shortValue());
assertEquals(5, result.getNxActionMultipath().getDst().intValue());
assertEquals(0, buffer.readableBytes());
}
private Action createAction() {
ExperimenterId experimenterId = new ExperimenterId(NiciraConstants.NX_VENDOR_ID);
ActionBuilder actionBuilder = new ActionBuilder();
actionBuilder.setExperimenterId(experimenterId);
ActionMultipathBuilder actionMultipathBuilder = new ActionMultipathBuilder();
NxActionMultipathBuilder nxActionMultipathBuilder = new NxActionMultipathBuilder();
nxActionMultipathBuilder.setFields(OfjNxHashFields.NXHASHFIELDSETHSRC);
nxActionMultipathBuilder.setBasis(2);
nxActionMultipathBuilder.setAlgorithm(OfjNxMpAlgorithm.NXMPALGMODULON);
nxActionMultipathBuilder.setMaxLink(4);
nxActionMultipathBuilder.setArg((long)5);
nxActionMultipathBuilder.setOfsNbits(6);
nxActionMultipathBuilder.setDst((long)7);
actionMultipathBuilder.setNxActionMultipath(nxActionMultipathBuilder.build());
actionBuilder.setActionChoice(actionMultipathBuilder.build());
return actionBuilder.build();
}
private void createBuffer(ByteBuf message) {
message.writeShort(EncodeConstants.EXPERIMENTER_VALUE);
message.writeShort(LENGTH);
message.writeInt(NiciraConstants.NX_VENDOR_ID.intValue());
message.writeShort(NXAST_MULTIPATH_SUBTYPE);
//FIELDS = OfjNxHashFields.NXHASHFIELDSETHSRC
message.writeShort(OfjNxHashFields.NXHASHFIELDSETHSRC.getIntValue());
//BASIS = 1
message.writeShort(1);
//place 2 empty bytes
message.writeZero(2);
//Algorithm = OfjNxMpAlgorithm.NXMPALGMODULON
message.writeShort(OfjNxMpAlgorithm.NXMPALGMODULON.getIntValue());
//MaxLink = 2
message.writeShort(2);
//Arg = 3
message.writeInt(3);
//place 2 empty bytes
message.writeZero(2);
//OfsNbits = 4
message.writeShort(4);
//Dst = 5
message.writeInt(5);
}
}