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.rev171025.SrpIdNumber;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.srp.object.Srp;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.srp.object.SrpBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.srp.object.srp.Tlvs;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.srp.object.srp.TlvsBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.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 = 32;
44 protected static final int SRP_ID_SIZE = 4;
46 protected static final int MIN_SIZE = FLAGS_SIZE / Byte.SIZE + SRP_ID_SIZE;
48 protected Stateful07SrpObjectParser(final TlvRegistry tlvReg, final VendorInformationTlvRegistry viTlvReg) {
49 super(tlvReg, viTlvReg);
53 public Srp parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
54 Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
55 if (bytes.readableBytes() < MIN_SIZE) {
56 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.readableBytes() + "; Expected: >="
59 final SrpBuilder builder = new SrpBuilder();
60 builder.setIgnore(header.isIgnore());
61 builder.setProcessingRule(header.isProcessingRule());
62 parseFlags(builder, bytes);
63 builder.setOperationId(new SrpIdNumber(bytes.readUnsignedInt()));
64 final TlvsBuilder tlvsBuilder = new TlvsBuilder();
65 parseTlvs(tlvsBuilder, bytes.slice());
66 builder.setTlvs(tlvsBuilder.build());
67 return builder.build();
70 protected void parseFlags(final SrpBuilder builder, final ByteBuf bytes) {
71 bytes.skipBytes(FLAGS_SIZE / Byte.SIZE);
75 public void addTlv(final TlvsBuilder builder, final Tlv tlv) {
76 if (tlv instanceof SymbolicPathName) {
77 builder.setSymbolicPathName((SymbolicPathName) tlv);
79 if (tlv instanceof PathSetupType) {
80 builder.setPathSetupType((PathSetupType) tlv);
85 public void serializeObject(final Object object, final ByteBuf buffer) {
86 Preconditions.checkArgument(object instanceof Srp, "Wrong instance of PCEPObject. Passed %s . Needed SrpObject.", object.getClass());
87 final Srp srp = (Srp) object;
88 final ByteBuf body = Unpooled.buffer();
89 serializeFlags(srp, body);
90 final SrpIdNumber srpId = srp.getOperationId();
91 Preconditions.checkArgument(srpId != null, "SrpId is mandatory.");
92 writeUnsignedInt(srpId.getValue(), body);
93 serializeTlvs(srp.getTlvs(), body);
94 ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);
97 protected void serializeFlags(final Srp srp, final ByteBuf body) {
98 body.writeZero(FLAGS_SIZE / Byte.SIZE);
101 public void serializeTlvs(final Tlvs tlvs, final ByteBuf body) {
105 if (tlvs.getSymbolicPathName() != null) {
106 serializeTlv(tlvs.getSymbolicPathName(), body);
108 if (tlvs.getPathSetupType() != null) {
109 serializeTlv(tlvs.getPathSetupType(), body);
114 protected final void addVendorInformationTlvs(final TlvsBuilder builder, final List<VendorInformationTlv> tlvs) {
115 if (!tlvs.isEmpty()) {
116 builder.setVendorInformationTlv(tlvs);