/*
* Copyright (c) 2013 Pantheon Technologies s.r.o. 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.protocol.impl.serialization.factories;
import io.netty.buffer.ByteBuf;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.util.ByteBufUtils;
import org.opendaylight.openflowjava.util.ExperimenterSerializerKeyFactory;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.v10.grouping.MatchV10;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.experimenter.core.ExperimenterDataOfChoice;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.MultipartRequestBody;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregateCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestDescCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestExperimenterCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestFlowCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortStatsCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestQueueCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregate;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.experimenter._case.MultipartRequestExperimenter;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.flow._case.MultipartRequestFlow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.port.stats._case.MultipartRequestPortStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.queue._case.MultipartRequestQueue;
/**
* Translates StatsRequest messages
* @author michal.polkorab
*/
public class OF10StatsRequestInputFactory implements OFSerializer<MultipartRequestInput>, SerializerRegistryInjector {
private static final byte MESSAGE_TYPE = 16;
private static final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY = 1;
private static final byte PADDING_IN_MULTIPART_REQUEST_AGGREGATE_BODY = 1;
private static final byte PADDING_IN_MULTIPART_REQUEST_PORT_BODY = 6;
private static final byte PADING_IN_QUEUE_BODY = 2;
private SerializerRegistry registry;
@Override
public void serialize(final MultipartRequestInput message, final ByteBuf outBuffer) {
ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.OFHEADER_SIZE);
outBuffer.writeShort(message.getType().getIntValue());
outBuffer.writeShort(createMultipartRequestFlagsBitmask(message.getFlags()));
if (message.getMultipartRequestBody() instanceof MultipartRequestDescCase) {
serializeDescBody();
} else if (message.getMultipartRequestBody() instanceof MultipartRequestFlowCase) {
serializeFlowBody(message.getMultipartRequestBody(), outBuffer);
} else if (message.getMultipartRequestBody() instanceof MultipartRequestAggregateCase) {
serializeAggregateBody(message.getMultipartRequestBody(), outBuffer);
} else if (message.getMultipartRequestBody() instanceof MultipartRequestTableCase) {
serializeTableBody();
} else if (message.getMultipartRequestBody() instanceof MultipartRequestPortStatsCase) {
serializePortBody(message.getMultipartRequestBody(), outBuffer);
} else if (message.getMultipartRequestBody() instanceof MultipartRequestQueueCase) {
serializeQueueBody(message.getMultipartRequestBody(), outBuffer);
} else if (message.getMultipartRequestBody() instanceof MultipartRequestExperimenterCase) {
serializeExperimenterBody(message.getMultipartRequestBody(), outBuffer);
}
ByteBufUtils.updateOFHeaderLength(outBuffer);
}
private static int createMultipartRequestFlagsBitmask(final MultipartRequestFlags flags) {
return ByteBufUtils.fillBitMask(0, flags.isOFPMPFREQMORE());
}
/**
* @param multipartRequestBody
* @param output
*/
private void serializeDescBody() {
// The body of MultiPartRequestDesc is empty
}
/**
* @param multipartRequestBody
* @param out
*/
private void serializeTableBody() {
// The body of MultiPartTable is empty
}
private void serializeFlowBody(final MultipartRequestBody multipartRequestBody, final ByteBuf output) {
MultipartRequestFlowCase flowCase = (MultipartRequestFlowCase) multipartRequestBody;
MultipartRequestFlow flow = flowCase.getMultipartRequestFlow();
OFSerializer<MatchV10> matchSerializer = registry.getSerializer(new MessageTypeKey<>(
EncodeConstants.OF10_VERSION_ID, MatchV10.class));
matchSerializer.serialize(flow.getMatchV10(), output);
output.writeByte(flow.getTableId().shortValue());
output.writeZero(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY);
output.writeShort(flow.getOutPort().intValue());
}
private void serializeAggregateBody(final MultipartRequestBody multipartRequestBody, final ByteBuf output) {
MultipartRequestAggregateCase aggregateCase = (MultipartRequestAggregateCase) multipartRequestBody;
MultipartRequestAggregate aggregate = aggregateCase.getMultipartRequestAggregate();
OFSerializer<MatchV10> matchSerializer = registry.getSerializer(new MessageTypeKey<>(
EncodeConstants.OF10_VERSION_ID, MatchV10.class));
matchSerializer.serialize(aggregate.getMatchV10(), output);
output.writeByte(aggregate.getTableId().shortValue());
output.writeZero(PADDING_IN_MULTIPART_REQUEST_AGGREGATE_BODY);
output.writeShort(aggregate.getOutPort().intValue());
}
private static void serializePortBody(final MultipartRequestBody multipartRequestBody, final ByteBuf output) {
MultipartRequestPortStatsCase portstatsCase = (MultipartRequestPortStatsCase) multipartRequestBody;
MultipartRequestPortStats portstats = portstatsCase.getMultipartRequestPortStats();
output.writeShort(portstats.getPortNo().intValue());
output.writeZero(PADDING_IN_MULTIPART_REQUEST_PORT_BODY);
}
private static void serializeQueueBody(final MultipartRequestBody multipartRequestBody, final ByteBuf output) {
MultipartRequestQueueCase queueCase = (MultipartRequestQueueCase) multipartRequestBody;
MultipartRequestQueue queue = queueCase.getMultipartRequestQueue();
output.writeShort(queue.getPortNo().intValue());
output.writeZero(PADING_IN_QUEUE_BODY);
output.writeInt(queue.getQueueId().intValue());
}
private void serializeExperimenterBody(final MultipartRequestBody multipartRequestBody, final ByteBuf output) {
MultipartRequestExperimenterCase expCase = (MultipartRequestExperimenterCase) multipartRequestBody;
MultipartRequestExperimenter experimenter = expCase.getMultipartRequestExperimenter();
final long expId = experimenter.getExperimenter().getValue().longValue();
// write experimenterId
output.writeInt((int) expId);
OFSerializer<ExperimenterDataOfChoice> serializer = registry.getSerializer(
ExperimenterSerializerKeyFactory.createMultipartRequestSerializerKey(
EncodeConstants.OF10_VERSION_ID, expId,
-1 /* in order not to collide with OF >= 1.3 codecs*/));
serializer.serialize(experimenter.getExperimenterDataOfChoice(), output);
}
@Override
public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
this.registry = serializerRegistry;
}
}