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.ietf.stateful07;
10 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt;
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.ietf.stateful.rev131222.SrpIdNumber;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.Srp;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.SrpBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.Tlvs;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.TlvsBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.symbolic.path.name.tlv.SymbolicPathName;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.setup.type.tlv.PathSetupType;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.tlvs.VendorInformationTlv;
34 * Parser for {@link Srp}
36 public class Stateful07SrpObjectParser extends AbstractObjectWithTlvsParser<TlvsBuilder> {
38 public static final int CLASS = 33;
40 public static final int TYPE = 1;
42 protected static final int FLAGS_SIZE = 4;
44 protected static final int SRP_ID_SIZE = 4;
46 protected static final int TLVS_OFFSET = FLAGS_SIZE + SRP_ID_SIZE;
48 protected static final int MIN_SIZE = FLAGS_SIZE + SRP_ID_SIZE;
50 protected Stateful07SrpObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
51 super(tlvReg, viTlvReg);
55 public Srp parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
56 Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
57 if (bytes.readableBytes() < MIN_SIZE) {
58 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes() + "; Expected: >="
61 final SrpBuilder builder = new SrpBuilder();
62 builder.setIgnore(header.isIgnore());
63 builder.setProcessingRule(header.isProcessingRule());
64 bytes.readerIndex(bytes.readerIndex() + FLAGS_SIZE);
65 builder.setOperationId(new SrpIdNumber(bytes.readUnsignedInt()));
66 final TlvsBuilder tlvsBuilder = new TlvsBuilder();
67 parseTlvs(tlvsBuilder, bytes.slice());
68 builder.setTlvs(tlvsBuilder.build());
69 return builder.build();
73 public void addTlv(final TlvsBuilder builder, final Tlv tlv) {
74 if (tlv instanceof SymbolicPathName) {
75 builder.setSymbolicPathName((SymbolicPathName) tlv);
77 if (tlv instanceof PathSetupType) {
78 builder.setPathSetupType((PathSetupType) tlv);
83 public void serializeObject(final Object object, final ByteBuf buffer) {
84 Preconditions.checkArgument(object instanceof Srp, "Wrong instance of PCEPObject. Passed %s . Needed SrpObject.", object.getClass());
85 final Srp srp = (Srp) object;
86 final ByteBuf body = Unpooled.buffer();
87 body.writerIndex(body.writerIndex() + FLAGS_SIZE);
88 final SrpIdNumber srpId = srp.getOperationId();
89 Preconditions.checkArgument(srpId != null, "SrpId is mandatory.");
90 writeUnsignedInt(srpId.getValue(), body);
91 serializeTlvs(srp.getTlvs(), body);
92 ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
95 public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
99 if (tlvs.getSymbolicPathName() != null) {
100 serializeTlv(tlvs.getSymbolicPathName(), body);
102 if (tlvs.getPathSetupType() != null) {
103 serializeTlv(tlvs.getPathSetupType(), body);
108 protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
109 if (!tlvs.isEmpty()) {
110 builder.setVendorInformationTlv(tlvs);