2 * Copyright 2015 Open Networking Laboratory
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onosproject.pcepio.types;
18 import java.util.Objects;
19 import org.jboss.netty.buffer.ChannelBuffer;
20 import org.onosproject.pcepio.protocol.PcepVersion;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
24 import com.google.common.base.MoreObjects;
25 import com.google.common.base.MoreObjects.ToStringHelper;
28 * Provides Opaque Link Attribute.
30 public class OpaqueLinkAttributeTlv implements PcepValueType {
34 * Reference :[I-D.ietf-idr-attributesls-distribution] /3.3.2.6
36 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
37 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
38 | Type=TBD42 | Length |
39 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
40 // Opaque link attributes (variable) //
41 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
44 protected static final Logger log = LoggerFactory.getLogger(OpaqueLinkAttributeTlv.class);
46 public static final short TYPE = 1097; //TODO:NEED TO HANDLE TDB42
47 private final short hLength;
49 private final byte[] rawValue;
52 * constructor to initialize rawValue.
54 * @param rawValue of Opaque Link Attribute
55 * @param hLength length
57 public OpaqueLinkAttributeTlv(byte[] rawValue, short hLength) {
58 log.debug("OpaqueLinkAttributeTlv");
59 this.rawValue = rawValue;
61 this.hLength = (short) rawValue.length;
63 this.hLength = hLength;
68 * Returns newly created OpaqueLinkAttributeTlv object.
70 * @param raw of Opaque Link Attribute
71 * @param hLength length
72 * @return new object of OpaqueLinkAttributeTlv
74 public static OpaqueLinkAttributeTlv of(final byte[] raw, short hLength) {
75 return new OpaqueLinkAttributeTlv(raw, hLength);
79 * Returns raw value of Opaque Link Attribute Tlv.
80 * @return rawValue raw value
82 public byte[] getValue() {
87 public PcepVersion getVersion() {
88 return PcepVersion.PCEP_1;
92 public short getType() {
97 public short getLength() {
102 public int hashCode() {
103 return Objects.hash(rawValue);
107 public boolean equals(Object obj) {
111 if (obj instanceof OpaqueLinkAttributeTlv) {
112 OpaqueLinkAttributeTlv other = (OpaqueLinkAttributeTlv) obj;
113 return Objects.equals(this.rawValue, other.rawValue);
119 public int write(ChannelBuffer c) {
120 int iLenStartIndex = c.writerIndex();
122 c.writeShort(hLength);
123 c.writeBytes(rawValue);
124 return c.writerIndex() - iLenStartIndex;
128 * Reads the channel buffer and returns object of OpaqueLinkAttributeTlv.
130 * @param c input channel buffer
131 * @param hLength length
132 * @return object of Opaque Link Attribute Tlv
134 public static PcepValueType read(ChannelBuffer c, short hLength) {
135 byte[] iOpaqueValue = new byte[hLength];
136 c.readBytes(iOpaqueValue, 0, hLength);
137 return new OpaqueLinkAttributeTlv(iOpaqueValue, hLength);
141 public String toString() {
142 ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass());
144 toStrHelper.add("Type", TYPE);
145 toStrHelper.add("Length", hLength);
147 StringBuffer result = new StringBuffer();
148 for (byte b : rawValue) {
149 result.append(String.format("%02X ", b));
151 toStrHelper.add("Value", result);
153 return toStrHelper.toString();