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 java.util.Arrays;
12 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
13 import org.opendaylight.protocol.pcep.PCEPDocumentedException;
14 import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
15 import org.opendaylight.protocol.util.ByteArray;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.SrpIdNumber;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.SrpObject;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcinitiate.message.pcinitiate.message.requests.SrpBuilder;
24 * Parser for {@link SrpObject}
26 public final class PCEPSrpObjectParser extends AbstractObjectWithTlvsParser<SrpBuilder> {
28 public static final int CLASS = 33;
30 public static final int TYPE = 1;
32 private static final int FLAGS_SIZE = 4;
34 private static final int SRP_ID_SIZE = 4;
36 private static final int MIN_SIZE = FLAGS_SIZE + SRP_ID_SIZE;
38 public PCEPSrpObjectParser(final TlvHandlerRegistry tlvReg) {
43 public SrpObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException, PCEPDocumentedException {
44 if (bytes == null || bytes.length == 0) {
45 throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
47 if (bytes.length < MIN_SIZE) {
48 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + bytes.length + "; Expected: >=" + MIN_SIZE
51 if (header.isProcessingRule()) {
52 throw new PCEPDeserializerException("Processed flag is set");
54 final SrpBuilder builder = new SrpBuilder();
55 builder.setIgnore(header.isIgnore());
56 builder.setProcessingRule(header.isProcessingRule());
57 final byte[] srpId = ByteArray.subByte(bytes, FLAGS_SIZE, SRP_ID_SIZE);
58 if (Arrays.equals(srpId, new byte[] { 0, 0, 0, 0 }) || Arrays.equals(srpId, new byte[] { 0xFFFFFFFF })) {
59 throw new PCEPDeserializerException("Min/Max values for SRP ID are reserved.");
61 builder.setOperationId(new SrpIdNumber(ByteArray.bytesToLong(srpId)));
62 return builder.build();
66 public void addTlv(final SrpBuilder builder, final Tlv tlv) {
71 public byte[] serializeObject(final Object object) {
72 if (!(object instanceof SrpObject)) {
73 throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed SrpObject.");
75 final SrpObject srp = (SrpObject) object;
76 final Long id = srp.getOperationId().getValue();
77 if (id == 0 || id == 0xFFFFFFFFL) {
78 throw new IllegalArgumentException("Min/Max values for SRP ID are reserved.");
80 final byte[] retBytes = new byte[MIN_SIZE];
81 System.arraycopy(ByteArray.intToBytes(id.intValue()), 0, retBytes, FLAGS_SIZE, SRP_ID_SIZE);
86 public int getObjectType() {
91 public int getObjectClass() {