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 com.google.common.base.Preconditions.checkArgument;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.List;
15 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
16 import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
17 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
18 import org.opendaylight.protocol.pcep.spi.TlvRegistry;
19 import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.ObjectHeader;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.OfId;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.Of;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.OfBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.of.Tlvs;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.of.TlvsBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.vendor.information.tlvs.VendorInformationTlv;
28 import org.opendaylight.yangtools.yang.common.Uint16;
29 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
32 * Parser for {@link Of}.
34 public final class PCEPObjectiveFunctionObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
35 private static final int CLASS = 21;
36 private static final int TYPE = 1;
37 private static final int RESERVED = 2;
39 public PCEPObjectiveFunctionObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
40 super(tlvReg, viTlvReg, CLASS, TYPE);
44 public Of parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
45 checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
46 final Uint16 ofId = ByteBufUtils.readUint16(bytes);
47 bytes.skipBytes(RESERVED);
48 final TlvsBuilder tlvsBuilder = new TlvsBuilder();
49 parseTlvs(tlvsBuilder, bytes.slice());
50 return new OfBuilder()
51 .setIgnore(header.getIgnore())
52 .setProcessingRule(header.getProcessingRule())
53 .setCode(new OfId(ofId))
54 .setTlvs(tlvsBuilder.build())
59 public void serializeObject(final Object object, final ByteBuf buffer) {
60 checkArgument(object instanceof Of, "Wrong instance of PCEPObject. Passed %s. Needed OfObject.",
62 final Of specObj = (Of) object;
63 final ByteBuf body = Unpooled.buffer();
65 final OfId code = specObj.getCode();
66 checkArgument(code != null, "Code is mandatory");
67 ByteBufUtils.write(body, code.getValue());
68 body.writeZero(RESERVED);
69 serializeTlvs(specObj.getTlvs(), body);
70 ObjectUtil.formatSubobject(TYPE, CLASS, object.getProcessingRule(), object.getIgnore(), body, buffer);
73 public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
75 serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
80 protected void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
81 if (!tlvs.isEmpty()) {
82 builder.setVendorInformationTlv(tlvs);