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.impl.object;
10 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedByte;
12 import com.google.common.base.Preconditions;
13 import com.google.common.primitives.UnsignedBytes;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import java.util.List;
17 import org.opendaylight.protocol.pcep.spi.AbstractObjectWithTlvsParser;
18 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
19 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
20 import org.opendaylight.protocol.pcep.spi.TlvRegistry;
21 import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
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.close.object.CClose;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.CCloseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.c.close.Tlvs;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.close.object.c.close.TlvsBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
31 * Parser for {@link org.opendaylight.protocol.pcep.object.PCEPCloseObject PCEPCloseObject}
33 public class PCEPCloseObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
35 public static final int CLASS = 15;
37 public static final int TYPE = 1;
40 * lengths of fields in bytes
42 private static final int RESERVED = 2;
43 private static final int FLAGS_F_LENGTH = 1;
45 public PCEPCloseObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
46 super(tlvReg, viTlvReg);
51 public CClose parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
52 Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
53 final CCloseBuilder builder = new CCloseBuilder();
54 builder.setIgnore(header.isIgnore());
55 builder.setProcessingRule(header.isProcessingRule());
56 bytes.readerIndex(bytes.readerIndex() + FLAGS_F_LENGTH + RESERVED);
57 builder.setReason((short) UnsignedBytes.toInt(bytes.readByte()));
58 final TlvsBuilder tlvsBuilder = new TlvsBuilder();
59 parseTlvs(tlvsBuilder, bytes.slice());
60 builder.setTlvs(tlvsBuilder.build());
61 return builder.build();
65 public void serializeObject(final Object object, final ByteBuf buffer) {
66 Preconditions.checkArgument(object instanceof CClose, "Wrong instance of PCEPObject. Passed %s. Needed CCloseObject.", object.getClass());
67 final CClose obj = (CClose) object;
68 final ByteBuf body = Unpooled.buffer();
69 body.writeZero(RESERVED + FLAGS_F_LENGTH);
70 Preconditions.checkArgument(obj.getReason() != null, "Reason is mandatory.");
71 writeUnsignedByte(obj.getReason(), body);
72 serializeTlvs(obj.getTlvs(), body);
73 ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
76 public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
80 serializeVendorInformationTlvs(tlvs.getVendorInformationTlv(), body);
85 protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
86 if (!tlvs.isEmpty()) {
87 builder.setVendorInformationTlv(tlvs);