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;
20 import org.jboss.netty.buffer.ChannelBuffer;
21 import org.onosproject.pcepio.protocol.PcepVersion;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
25 import com.google.common.base.MoreObjects;
26 import com.google.common.base.MoreObjects.ToStringHelper;
29 * Provides the Link Name.
31 public class LinkNameTlv implements PcepValueType {
33 /* Reference :[I-D.ietf-idr- ls-distribution] /3.3.2.7
34 * Link name tlv format.
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=TDB43 | Length |
39 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
40 // Link Name (variable) //
41 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
44 protected static final Logger log = LoggerFactory.getLogger(LinkNameTlv.class);
46 public static final short TYPE = 1098; //TODO:NEED TO HANDLE TDB43
47 private short hLength;
49 private final byte[] rawValue;
52 * Constructor to initialize rawValue.
54 * @param rawValue Link-Name
55 * @param hLength length
57 public LinkNameTlv(byte[] rawValue, short hLength) {
58 this.rawValue = rawValue;
60 this.hLength = (short) rawValue.length;
62 this.hLength = hLength;
67 * Returns newly created LinkNameTlv object.
69 * @param raw Link-Name
70 * @param hLength length
71 * @return object of LinkNameTlv
73 public static LinkNameTlv of(final byte[] raw, short hLength) {
74 return new LinkNameTlv(raw, hLength);
78 * Returns value of Link-Name.
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 LinkNameTlv) {
112 LinkNameTlv other = (LinkNameTlv) obj;
113 return Objects.equals(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 LinkNameTlv.
130 * @param c input channel buffer
131 * @param hLength length
132 * @return object of LinkNameTlv
134 public static PcepValueType read(ChannelBuffer c, short hLength) {
135 byte[] linkName = new byte[hLength];
136 c.readBytes(linkName, 0, hLength);
137 return new LinkNameTlv(linkName, 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();