org.opendaylight.protocol.pcep.spi.ObjectUtil Maven / Gradle / Ivy
/*
* Copyright (c) 2013 Cisco Systems, Inc. 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.protocol.pcep.spi;
import io.netty.buffer.ByteBuf;
import org.opendaylight.protocol.util.BitArray;
public final class ObjectUtil {
private static final int HEADER_SIZE = 4;
private static final int FLAGS_SIZE = 4;
/*
* flags offsets inside multi-field
*/
private static final int PROCESSED = 2;
private static final int IGNORED = 3;
private ObjectUtil() {
}
public static void formatSubobject(final int objectType, final int objectClass, final Boolean processingRule,
final Boolean ignore, final ByteBuf body, final ByteBuf out) {
out.writeByte(objectClass);
final BitArray flags = new BitArray(FLAGS_SIZE);
flags.set(IGNORED, ignore);
flags.set(PROCESSED, processingRule);
final byte flagB = flags.toByte();
final int typeByte = objectType << FLAGS_SIZE | flagB & 0xff;
out.writeByte(typeByte);
out.writeShort(body.writerIndex() + HEADER_SIZE);
out.writeBytes(body);
}
}