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;
11 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
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.gc.object.Gc;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.gc.object.GcBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.gc.object.gc.Tlvs;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.gc.object.gc.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.netty.ByteBufUtils;
31 * Parser for {@link Gc}.
33 public class PCEPGlobalConstraintsObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
34 private static final int CLASS = 24;
35 private static final int TYPE = 1;
37 public PCEPGlobalConstraintsObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
38 super(tlvReg, viTlvReg, CLASS, TYPE);
42 public Gc parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
43 checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
44 final GcBuilder builder = new GcBuilder()
45 .setIgnore(header.isIgnore())
46 .setProcessingRule(header.isProcessingRule())
47 .setMaxHop(ByteBufUtils.readUint8(bytes))
48 .setMaxUtilization(ByteBufUtils.readUint8(bytes))
49 .setMinUtilization(ByteBufUtils.readUint8(bytes))
50 .setOverBookingFactor(ByteBufUtils.readUint8(bytes));
51 final TlvsBuilder tlvsBuilder = new TlvsBuilder();
52 parseTlvs(tlvsBuilder, bytes.slice());
53 builder.setTlvs(tlvsBuilder.build());
54 return builder.build();
58 public void serializeObject(final Object object, final ByteBuf buffer) {
59 checkArgument(object instanceof Gc,
60 "Wrong instance of PCEPObject. Passed %s. Needed GcObject.", object.getClass());
61 final Gc specObj = (Gc) object;
62 final ByteBuf body = Unpooled.buffer();
63 writeUnsignedByte(specObj.getMaxHop(), body);
64 writeUnsignedByte(specObj.getMaxUtilization(), body);
65 writeUnsignedByte(specObj.getMinUtilization(), body);
66 writeUnsignedByte(specObj.getOverBookingFactor(), body);
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);