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 org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
11 import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
12 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.gc.object.Gc;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.gc.object.GcBuilder;
18 import com.google.common.primitives.UnsignedBytes;
21 * Parser for {@link Gc}
23 public class PCEPGlobalConstraintsObjectParser extends AbstractObjectWithTlvsParser<GcBuilder> {
25 public static final int CLASS = 24;
27 public static final int TYPE = 1;
29 private static final int MAX_HOP_F_LENGTH = 1;
30 private static final int MAX_UTIL_F_LENGTH = 1;
31 private static final int MIN_UTIL_F_LENGTH = 1;
32 private static final int OVER_BOOKING_FACTOR_F_LENGTH = 1;
34 private static final int MAX_HOP_F_OFFSET = 0;
35 private static final int MAX_UTIL_F_OFFSET = MAX_HOP_F_OFFSET + MAX_HOP_F_LENGTH;
36 private static final int MIN_UTIL_F_OFFSET = MAX_UTIL_F_OFFSET + MAX_UTIL_F_LENGTH;
37 private static final int OVER_BOOKING_FACTOR_F_OFFSET = MIN_UTIL_F_OFFSET + MIN_UTIL_F_LENGTH;
39 private static final int TLVS_OFFSET = OVER_BOOKING_FACTOR_F_OFFSET + OVER_BOOKING_FACTOR_F_LENGTH;
41 public PCEPGlobalConstraintsObjectParser(final TlvHandlerRegistry tlvReg) {
46 public Gc parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException {
47 if (bytes == null || bytes.length == 0) {
48 throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
50 final GcBuilder builder = new GcBuilder();
52 builder.setIgnore(header.isIgnore());
53 builder.setProcessingRule(header.isProcessingRule());
55 builder.setMaxHop((short) UnsignedBytes.toInt(bytes[MAX_HOP_F_OFFSET]));
56 builder.setMinUtilization((short) UnsignedBytes.toInt(bytes[MIN_UTIL_F_OFFSET]));
57 builder.setMaxUtilization((short) UnsignedBytes.toInt(bytes[MAX_UTIL_F_OFFSET]));
58 builder.setOverBookingFactor((short) UnsignedBytes.toInt(bytes[OVER_BOOKING_FACTOR_F_OFFSET]));
59 return builder.build();
63 public void addTlv(final GcBuilder builder, final Tlv tlv) {
68 public byte[] serializeObject(final Object object) {
69 if (!(object instanceof Gc)) {
70 throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed GcObject.");
72 final Gc specObj = (Gc) object;
73 final byte[] retBytes = new byte[TLVS_OFFSET + 0];
74 retBytes[MAX_HOP_F_OFFSET] = UnsignedBytes.checkedCast(specObj.getMaxHop());
75 retBytes[MAX_UTIL_F_OFFSET] = UnsignedBytes.checkedCast(specObj.getMaxUtilization());
76 retBytes[MIN_UTIL_F_OFFSET] = UnsignedBytes.checkedCast(specObj.getMinUtilization());
77 retBytes[OVER_BOOKING_FACTOR_F_OFFSET] = UnsignedBytes.checkedCast(specObj.getOverBookingFactor());
78 return ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), retBytes);
82 public int getObjectType() {
87 public int getObjectClass() {