2 * Copyright (c) 2013 Cisco Systems, Inc. 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
8 package org.opendaylight.protocol.pcep.parser.object;
10 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeFloat32;
11 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
13 import com.google.common.base.Preconditions;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import org.opendaylight.protocol.pcep.spi.ObjectParser;
17 import org.opendaylight.protocol.pcep.spi.ObjectSerializer;
18 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
19 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
20 import org.opendaylight.protocol.util.ByteArray;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.load.balancing.object.LoadBalancing;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.load.balancing.object.LoadBalancingBuilder;
28 * Parser for {@link LoadBalancing}
30 public class PCEPLoadBalancingObjectParser implements ObjectParser, ObjectSerializer {
32 public static final int CLASS = 14;
34 public static final int TYPE = 1;
36 private static final int RESERVED = 2;
37 private static final int FLAGS_F_LENGTH = 1;
39 private static final int SIZE = 8;
42 public LoadBalancing parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
43 Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
44 if (bytes.readableBytes() != SIZE) {
45 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes() + "; Expected: " + SIZE
48 final LoadBalancingBuilder builder = new LoadBalancingBuilder();
49 builder.setIgnore(header.isIgnore());
50 builder.setProcessingRule(header.isProcessingRule());
51 bytes.skipBytes(RESERVED + FLAGS_F_LENGTH);
52 builder.setMaxLsp(bytes.readUnsignedByte());
53 builder.setMinBandwidth(new Bandwidth(ByteArray.readAllBytes(bytes)));
54 return builder.build();
58 public void serializeObject(final Object object, final ByteBuf buffer) {
59 Preconditions.checkArgument(object instanceof LoadBalancing, "Wrong instance of PCEPObject. Passed %s. Needed LoadBalancingObject.", object.getClass());
60 final LoadBalancing specObj = (LoadBalancing) object;
61 final ByteBuf body = Unpooled.buffer(SIZE);
62 body.writeZero(RESERVED + FLAGS_F_LENGTH);
63 writeUnsignedByte(specObj.getMaxLsp(), body);
64 writeFloat32(specObj.getMinBandwidth(), body);
65 ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);