/*
* 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.deserialization.factories;
import io.netty.buffer.ByteBuf;
import java.math.BigInteger;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Capabilities;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutputBuilder;
/**
* Translates FeaturesReply messages
* @author michal.polkorab
* @author timotej.kubas
*/
public class FeaturesReplyMessageFactory implements OFDeserializer<GetFeaturesOutput>{
private static final byte PADDING_IN_FEATURES_REPLY_HEADER = 2;
@Override
public GetFeaturesOutput deserialize(ByteBuf rawMessage) {
GetFeaturesOutputBuilder builder = new GetFeaturesOutputBuilder();
builder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
builder.setXid(rawMessage.readUnsignedInt());
byte[] datapathId = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
rawMessage.readBytes(datapathId);
builder.setDatapathId(new BigInteger(1, datapathId));
builder.setBuffers(rawMessage.readUnsignedInt());
builder.setTables(rawMessage.readUnsignedByte());
builder.setAuxiliaryId(rawMessage.readUnsignedByte());
rawMessage.skipBytes(PADDING_IN_FEATURES_REPLY_HEADER);
builder.setCapabilities(createCapabilities(rawMessage.readUnsignedInt()));
builder.setReserved(rawMessage.readUnsignedInt());
return builder.build();
}
private static Capabilities createCapabilities(long input) {
final Boolean flowStats = (input & (1 << 0)) != 0;
final Boolean tableStats = (input & (1 << 1)) != 0;
final Boolean portStats = (input & (1 << 2)) != 0;
final Boolean groupStats = (input & (1 << 3)) != 0;
final Boolean ipReasm = (input & (1 << 5)) != 0;
final Boolean queueStats = (input & (1 << 6)) != 0;
final Boolean portBlocked = (input & (1 << 8)) != 0;
return new Capabilities(flowStats, groupStats, ipReasm,
portBlocked, portStats, queueStats, tableStats);
}
}