2 * Copyright (c) 2017 Pantheon Technologies s.r.o. and others. All rights reserved.
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
9 package org.opendaylight.openflowplugin.impl.protocol.deserialization.messages;
11 import static org.junit.Assert.assertArrayEquals;
12 import static org.junit.Assert.assertEquals;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.UnpooledByteBufAllocator;
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.openflowplugin.impl.protocol.deserialization.AbstractDeserializerTest;
20 import org.opendaylight.openflowplugin.impl.util.PacketInUtil;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketInMessage;
23 public class PacketInMessageDeserializerTest extends AbstractDeserializerTest {
24 private static final byte PADDING_IN_PACKET_IN_HEADER = 2;
25 private static final short REASON = 0; // no match
26 private static final short TABLE_ID = 13;
27 private static final long FLOW_COOKIE = 12;
28 private static final int XID = 42;
29 private static final int TYPE = 10;
30 private static final int OXM_MATCH_TYPE_CODE = 1;
31 private static final int MPLS_LABEL = 135;
32 private static final byte[] PAYLOAD = new byte[] { 1, 2, 3, 4, 5 };
34 private ByteBuf buffer;
37 protected void init() {
38 buffer = UnpooledByteBufAllocator.DEFAULT.buffer();
42 public void deserialize() throws Exception {
43 buffer.writeByte(TYPE);
44 buffer.writeShort(EncodeConstants.EMPTY_LENGTH);
46 buffer.writeInt(EncodeConstants.EMPTY_VALUE); // Buffer id - irrelevant
47 buffer.writeShort(EncodeConstants.EMPTY_LENGTH); // Total len - irrelevant
48 buffer.writeByte(REASON);
49 buffer.writeByte(TABLE_ID);
50 buffer.writeLong(FLOW_COOKIE);
53 int matchStartIndex = buffer.writerIndex();
54 buffer.writeShort(OXM_MATCH_TYPE_CODE);
55 int matchLengthIndex = buffer.writerIndex();
56 buffer.writeShort(EncodeConstants.EMPTY_LENGTH);
59 buffer.writeShort(OxmMatchConstants.OPENFLOW_BASIC_CLASS);
60 buffer.writeByte(OxmMatchConstants.MPLS_LABEL << 1);
61 buffer.writeByte(EncodeConstants.SIZE_OF_INT_IN_BYTES);
62 buffer.writeInt(MPLS_LABEL);
65 int matchLength = buffer.writerIndex() - matchStartIndex;
66 buffer.setShort(matchLengthIndex, matchLength);
67 int paddingRemainder = matchLength % EncodeConstants.PADDING;
68 if (paddingRemainder != 0) {
69 buffer.writeZero(EncodeConstants.PADDING - paddingRemainder);
72 buffer.writeZero(PADDING_IN_PACKET_IN_HEADER);
73 buffer.writeBytes(PAYLOAD);
75 final PacketInMessage message =
76 (PacketInMessage) getFactory().deserialize(buffer, EncodeConstants.OF13_VERSION_ID);
78 assertEquals(XID, message.getXid().intValue());
79 assertEquals(PacketInUtil.getMdSalPacketInReason(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common
80 .types.rev130731.PacketInReason
81 .forValue(REASON)), message.getPacketInReason());
82 assertEquals(TABLE_ID, message.getTableId().getValue().shortValue());
83 assertEquals(FLOW_COOKIE, message.getFlowCookie().getValue().longValue());
84 assertEquals(MPLS_LABEL, message.getMatch().getProtocolMatchFields().getMplsLabel().intValue());
85 assertArrayEquals(PAYLOAD, message.getPayload());
86 assertEquals(buffer.readableBytes(), 0);