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.api.extensibility.MessageTypeKey;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
18 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
19 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
20 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
21 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.v10.grouping.MatchV10;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.MultipartRequestBody;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregateCase;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestDescCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestExperimenterCase;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestFlowCase;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortStatsCase;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestQueueCase;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableCase;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregate;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.experimenter._case.MultipartRequestExperimenter;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.flow._case.MultipartRequestFlow;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.port.stats._case.MultipartRequestPortStats;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.queue._case.MultipartRequestQueue;
41 * Translates StatsRequest messages
42 * @author michal.polkorab
44 public class OF10StatsRequestInputFactory implements OFSerializer<MultipartRequestInput>, SerializerRegistryInjector {
46 private static final byte MESSAGE_TYPE = 16;
47 private static final byte FLOW_BODY_LENGTH = 44;
48 private static final byte AGGREGATE_BODY_LENGTH = 44;
49 private static final byte PORT_STATS_BODY_LENGTH = 8;
50 private static final byte QUEUE_BODY_LENGTH = 8;
51 private static final byte EXPERIMENTER_BODY_LENGTH = 4;
52 private static final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY = 1;
53 private static final byte PADDING_IN_MULTIPART_REQUEST_AGGREGATE_BODY = 1;
54 private static final byte PADDING_IN_MULTIPART_REQUEST_PORT_BODY = 6;
55 private static final byte PADING_IN_QUEUE_BODY = 2;
57 private SerializerRegistry registry;
60 public void serialize(MultipartRequestInput message, ByteBuf outBuffer) {
61 ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.OFHEADER_SIZE);
62 outBuffer.writeShort(message.getType().getIntValue());
63 outBuffer.writeShort(createMultipartRequestFlagsBitmask(message.getFlags()));
64 if (message.getMultipartRequestBody() instanceof MultipartRequestDescCase) {
65 serializeDescBody(message.getMultipartRequestBody(), outBuffer);
66 } else if (message.getMultipartRequestBody() instanceof MultipartRequestFlowCase) {
67 serializeFlowBody(message.getMultipartRequestBody(), outBuffer);
68 } else if (message.getMultipartRequestBody() instanceof MultipartRequestAggregateCase) {
69 serializeAggregateBody(message.getMultipartRequestBody(), outBuffer);
70 } else if (message.getMultipartRequestBody() instanceof MultipartRequestTableCase) {
71 serializeTableBody(message.getMultipartRequestBody(), outBuffer);
72 } else if (message.getMultipartRequestBody() instanceof MultipartRequestPortStatsCase) {
73 serializePortBody(message.getMultipartRequestBody(), outBuffer);
74 } else if (message.getMultipartRequestBody() instanceof MultipartRequestQueueCase) {
75 serializeQueueBody(message.getMultipartRequestBody(), outBuffer);
76 } else if (message.getMultipartRequestBody() instanceof MultipartRequestExperimenterCase) {
77 serializeExperimenterBody(message.getMultipartRequestBody(), outBuffer);
79 ByteBufUtils.updateOFHeaderLength(outBuffer);
85 * @return length of MultipartRequestMessage
87 public int computeBodyLength(MultipartRequestInput message) {
89 MultipartType type = message.getType();
90 if (type.equals(MultipartType.OFPMPFLOW)) {
91 length += FLOW_BODY_LENGTH;
92 } else if (type.equals(MultipartType.OFPMPAGGREGATE)) {
93 length += AGGREGATE_BODY_LENGTH;
94 } else if (type.equals(MultipartType.OFPMPPORTSTATS)) {
95 length += PORT_STATS_BODY_LENGTH;
96 } else if (type.equals(MultipartType.OFPMPQUEUE)) {
97 length += QUEUE_BODY_LENGTH;
98 } else if (type.equals(MultipartType.OFPMPEXPERIMENTER)) {
99 MultipartRequestExperimenterCase bodyCase = (MultipartRequestExperimenterCase) message.getMultipartRequestBody();
100 MultipartRequestExperimenter body = bodyCase.getMultipartRequestExperimenter();
101 length += EXPERIMENTER_BODY_LENGTH;
102 if (body.getData() != null) {
103 length += body.getData().length;
109 private static int createMultipartRequestFlagsBitmask(MultipartRequestFlags flags) {
110 int multipartRequestFlagsBitmask = 0;
111 Map<Integer, Boolean> multipartRequestFlagsMap = new HashMap<>();
112 multipartRequestFlagsMap.put(0, flags.isOFPMPFREQMORE());
113 multipartRequestFlagsBitmask = ByteBufUtils.fillBitMaskFromMap(multipartRequestFlagsMap);
114 return multipartRequestFlagsBitmask;
118 * @param multipartRequestBody
121 private void serializeDescBody(MultipartRequestBody multipartRequestBody,
123 // The body of MultiPartRequestDesc is empty
127 * @param multipartRequestBody
130 private void serializeTableBody(MultipartRequestBody multipartRequestBody,
132 // The body of MultiPartTable is empty
135 private void serializeFlowBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
136 MultipartRequestFlowCase flowCase = (MultipartRequestFlowCase) multipartRequestBody;
137 MultipartRequestFlow flow = flowCase.getMultipartRequestFlow();
138 OFSerializer<MatchV10> matchSerializer = registry.getSerializer(new MessageTypeKey<>(
139 EncodeConstants.OF10_VERSION_ID, MatchV10.class));
140 matchSerializer.serialize(flow.getMatchV10(), output);
141 output.writeByte(flow.getTableId().shortValue());
142 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY, output);
143 output.writeShort(flow.getOutPort().intValue());
146 private void serializeAggregateBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
147 MultipartRequestAggregateCase aggregateCase = (MultipartRequestAggregateCase) multipartRequestBody;
148 MultipartRequestAggregate aggregate = aggregateCase.getMultipartRequestAggregate();
149 OFSerializer<MatchV10> matchSerializer = registry.getSerializer(new MessageTypeKey<>(
150 EncodeConstants.OF10_VERSION_ID, MatchV10.class));
151 matchSerializer.serialize(aggregate.getMatchV10(), output);
152 output.writeByte(aggregate.getTableId().shortValue());
153 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_AGGREGATE_BODY, output);
154 output.writeShort(aggregate.getOutPort().intValue());
157 private static void serializePortBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
158 MultipartRequestPortStatsCase portstatsCase = (MultipartRequestPortStatsCase) multipartRequestBody;
159 MultipartRequestPortStats portstats = portstatsCase.getMultipartRequestPortStats();
160 output.writeShort(portstats.getPortNo().intValue());
161 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_PORT_BODY, output);
164 private static void serializeQueueBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
165 MultipartRequestQueueCase queueCase = (MultipartRequestQueueCase) multipartRequestBody;
166 MultipartRequestQueue queue = queueCase.getMultipartRequestQueue();
167 output.writeShort(queue.getPortNo().intValue());
168 ByteBufUtils.padBuffer(PADING_IN_QUEUE_BODY, output);
169 output.writeInt(queue.getQueueId().intValue());
172 private static void serializeExperimenterBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
173 MultipartRequestExperimenterCase experimenterCase = (MultipartRequestExperimenterCase) multipartRequestBody;
174 MultipartRequestExperimenter experimenter = experimenterCase.getMultipartRequestExperimenter();
175 output.writeInt(experimenter.getExperimenter().intValue());
176 output.writeBytes(experimenter.getData());
180 public void injectSerializerRegistry(SerializerRegistry serializerRegistry) {
181 this.registry = serializerRegistry;