2 * Copyright (c) 2013 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.openflowjava.protocol.impl.serialization.factories;
11 import io.netty.buffer.ByteBuf;
13 import java.util.HashMap;
16 import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;
17 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
18 import org.opendaylight.openflowjava.protocol.impl.util.OF10MatchSerializer;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.MultipartRequestBody;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregateCase;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestDescCase;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestExperimenterCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestFlowCase;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortStatsCase;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestQueueCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableCase;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregate;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.experimenter._case.MultipartRequestExperimenter;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.flow._case.MultipartRequestFlow;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.port.stats._case.MultipartRequestPortStats;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.queue._case.MultipartRequestQueue;
37 * Translates StatsRequest messages
38 * @author michal.polkorab
40 public class OF10StatsRequestInputFactory implements OFSerializer<MultipartRequestInput> {
42 private static final byte MESSAGE_TYPE = 16;
43 private static final int MESSAGE_LENGTH = 12;
44 private static final byte FLOW_BODY_LENGTH = 44;
45 private static final byte AGGREGATE_BODY_LENGTH = 44;
46 private static final byte PORT_STATS_BODY_LENGTH = 8;
47 private static final byte QUEUE_BODY_LENGTH = 8;
48 private static final byte EXPERIMENTER_BODY_LENGTH = 4;
49 private static final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY = 1;
50 private static final byte PADDING_IN_MULTIPART_REQUEST_AGGREGATE_BODY = 1;
51 private static final byte PADDING_IN_MULTIPART_REQUEST_PORT_BODY = 6;
52 private static final byte PADING_IN_QUEUE_BODY = 2;
54 private static OF10StatsRequestInputFactory instance;
56 private OF10StatsRequestInputFactory() {
61 * @return singleton factory
63 public static synchronized OF10StatsRequestInputFactory getInstance() {
64 if (instance == null) {
65 instance = new OF10StatsRequestInputFactory();
71 public void messageToBuffer(short version, ByteBuf out,
72 MultipartRequestInput message) {
73 ByteBufUtils.writeOFHeader(instance, message, out);
74 out.writeShort(message.getType().getIntValue());
75 out.writeShort(createMultipartRequestFlagsBitmask(message.getFlags()));
76 if (message.getMultipartRequestBody() instanceof MultipartRequestDescCase) {
77 encodeDescBody(message.getMultipartRequestBody(), out);
78 } else if (message.getMultipartRequestBody() instanceof MultipartRequestFlowCase) {
79 encodeFlowBody(message.getMultipartRequestBody(), out);
80 } else if (message.getMultipartRequestBody() instanceof MultipartRequestAggregateCase) {
81 encodeAggregateBody(message.getMultipartRequestBody(), out);
82 } else if (message.getMultipartRequestBody() instanceof MultipartRequestTableCase) {
83 encodeTableBody(message.getMultipartRequestBody(), out);
84 } else if (message.getMultipartRequestBody() instanceof MultipartRequestPortStatsCase) {
85 encodePortBody(message.getMultipartRequestBody(), out);
86 } else if (message.getMultipartRequestBody() instanceof MultipartRequestQueueCase) {
87 encodeQueueBody(message.getMultipartRequestBody(), out);
88 } else if (message.getMultipartRequestBody() instanceof MultipartRequestExperimenterCase) {
89 encodeExperimenterBody(message.getMultipartRequestBody(), out);
94 public int computeLength(MultipartRequestInput message) {
95 return MESSAGE_LENGTH + computeBodyLength(message);
98 public byte getMessageType() {
105 * @return length of MultipartRequestMessage
107 public int computeBodyLength(MultipartRequestInput message) {
109 MultipartType type = message.getType();
110 if (type.equals(MultipartType.OFPMPFLOW)) {
111 length += FLOW_BODY_LENGTH;
112 } else if (type.equals(MultipartType.OFPMPAGGREGATE)) {
113 length += AGGREGATE_BODY_LENGTH;
114 } else if (type.equals(MultipartType.OFPMPPORTSTATS)) {
115 length += PORT_STATS_BODY_LENGTH;
116 } else if (type.equals(MultipartType.OFPMPQUEUE)) {
117 length += QUEUE_BODY_LENGTH;
118 } else if (type.equals(MultipartType.OFPMPEXPERIMENTER)) {
119 MultipartRequestExperimenterCase bodyCase = (MultipartRequestExperimenterCase) message.getMultipartRequestBody();
120 MultipartRequestExperimenter body = bodyCase.getMultipartRequestExperimenter();
121 length += EXPERIMENTER_BODY_LENGTH;
122 if (body.getData() != null) {
123 length += body.getData().length;
129 private static int createMultipartRequestFlagsBitmask(MultipartRequestFlags flags) {
130 int multipartRequestFlagsBitmask = 0;
131 Map<Integer, Boolean> multipartRequestFlagsMap = new HashMap<>();
132 multipartRequestFlagsMap.put(0, flags.isOFPMPFREQMORE());
133 multipartRequestFlagsBitmask = ByteBufUtils.fillBitMaskFromMap(multipartRequestFlagsMap);
134 return multipartRequestFlagsBitmask;
138 * @param multipartRequestBody
141 private void encodeDescBody(MultipartRequestBody multipartRequestBody,
143 // The body of MultiPartRequestDesc is empty
147 * @param multipartRequestBody
150 private void encodeTableBody(MultipartRequestBody multipartRequestBody,
152 // The body of MultiPartTable is empty
155 private static void encodeFlowBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
156 MultipartRequestFlowCase flowCase = (MultipartRequestFlowCase) multipartRequestBody;
157 MultipartRequestFlow flow = flowCase.getMultipartRequestFlow();
158 OF10MatchSerializer.encodeMatchV10(output, flow.getMatchV10());
159 output.writeByte(flow.getTableId().shortValue());
160 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY, output);
161 output.writeShort(flow.getOutPort().intValue());
164 private static void encodeAggregateBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
165 MultipartRequestAggregateCase aggregateCase = (MultipartRequestAggregateCase) multipartRequestBody;
166 MultipartRequestAggregate aggregate = aggregateCase.getMultipartRequestAggregate();
167 OF10MatchSerializer.encodeMatchV10(output, aggregate.getMatchV10());
168 output.writeByte(aggregate.getTableId().shortValue());
169 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_AGGREGATE_BODY, output);
170 output.writeShort(aggregate.getOutPort().intValue());
173 private static void encodePortBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
174 MultipartRequestPortStatsCase portstatsCase = (MultipartRequestPortStatsCase) multipartRequestBody;
175 MultipartRequestPortStats portstats = portstatsCase.getMultipartRequestPortStats();
176 output.writeShort(portstats.getPortNo().intValue());
177 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_PORT_BODY, output);
180 private static void encodeQueueBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
181 MultipartRequestQueueCase queueCase = (MultipartRequestQueueCase) multipartRequestBody;
182 MultipartRequestQueue queue = queueCase.getMultipartRequestQueue();
183 output.writeShort(queue.getPortNo().intValue());
184 ByteBufUtils.padBuffer(PADING_IN_QUEUE_BODY, output);
185 output.writeInt(queue.getQueueId().intValue());
188 private static void encodeExperimenterBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
189 MultipartRequestExperimenterCase experimenterCase = (MultipartRequestExperimenterCase) multipartRequestBody;
190 MultipartRequestExperimenter experimenter = experimenterCase.getMultipartRequestExperimenter();
191 output.writeInt(experimenter.getExperimenter().intValue());
192 output.writeBytes(experimenter.getData());