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.writeUnsignedShort;
12 import com.google.common.base.Preconditions;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import java.util.List;
16 import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
17 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
18 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
19 import org.opendaylight.protocol.pcep.spi.TlvRegistry;
20 import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.ObjectHeader;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.OfId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.Of;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.OfBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.of.Tlvs;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.of.TlvsBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.vendor.information.tlvs.VendorInformationTlv;
31 * Parser for {@link Of}
33 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 Preconditions.checkArgument(bytes != null && bytes.isReadable(),
46 "Array of bytes is mandatory. Can't be null or empty.");
47 final OfBuilder builder = new OfBuilder();
48 builder.setIgnore(header.isIgnore());
49 builder.setProcessingRule(header.isProcessingRule());
50 builder.setCode(new OfId(bytes.readUnsignedShort()));
51 bytes.readBytes(RESERVED);
52 final TlvsBuilder tlvsBuilder = new TlvsBuilder();
53 parseTlvs(tlvsBuilder, bytes.slice());
54 builder.setTlvs(tlvsBuilder.build());
55 return builder.build();
59 public void serializeObject(final Object object, final ByteBuf buffer) {
60 Preconditions.checkArgument(object instanceof Of,
61 "Wrong instance of PCEPObject. Passed %s. Needed OfObject.", object.getClass());
62 final Of specObj = (Of) object;
63 final ByteBuf body = Unpooled.buffer();
64 Preconditions.checkArgument(specObj.getCode() != null, "Code is mandatory");
65 writeUnsignedShort(specObj.getCode().getValue(), body);
66 body.writeZero(RESERVED);
67 serializeTlvs(specObj.getTlvs(), body);
68 ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
71 public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
75 serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
79 protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
80 if (!tlvs.isEmpty()) {
81 builder.setVendorInformationTlv(tlvs);