/*
* 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 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.PacketInReason;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessageBuilder;
/**
* Translates PacketIn messages (OpenFlow v1.0)
* @author michal.polkorab
*/
public class OF10PacketInMessageFactory implements OFDeserializer<PacketInMessage> {
private static final byte PADDING_IN_PACKET_IN_HEADER = 1;
@Override
public PacketInMessage deserialize(final ByteBuf rawMessage) {
PacketInMessageBuilder builder = new PacketInMessageBuilder();
builder.setVersion((short) EncodeConstants.OF10_VERSION_ID);
builder.setXid(rawMessage.readUnsignedInt());
builder.setBufferId(rawMessage.readUnsignedInt());
builder.setTotalLen(rawMessage.readUnsignedShort());
builder.setInPort(rawMessage.readUnsignedShort());
builder.setReason(PacketInReason.forValue(rawMessage.readUnsignedByte()));
rawMessage.skipBytes(PADDING_IN_PACKET_IN_HEADER);
int remainingBytes = rawMessage.readableBytes();
if (remainingBytes > 0) {
final byte[] buf = new byte[remainingBytes];
rawMessage.readBytes(buf);
builder.setData(buf);
}
return builder.build();
}
}