1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.pcepio.types;
import java.util.Arrays;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onosproject.pcepio.protocol.PcepVersion;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
import com.google.common.base.MoreObjects.ToStringHelper;
/**
* Provides SharedRiskLinkGroupTlv.
*/
public class SharedRiskLinkGroupTlv implements PcepValueType {
/*
* Reference :[I-D.ietf-idr- Group ls-distribution] /3.3.2.5
*
* 0 1 2 3
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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type =TDB41 | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Shared Risk Link Group Value |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
// ............ //
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Shared Risk Link Group Value |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
protected static final Logger log = LoggerFactory.getLogger(SharedRiskLinkGroupTlv.class);
public static final short TYPE = 1096; //TODO:NEED TO HANDLE TDB41
private final short hLength;
private final int[] srlgValue;
/**
* Constructor to initialize SRLG value.
*
* @param srlgValue Shared Risk Link Group Value
* @param hLength length
*/
public SharedRiskLinkGroupTlv(int[] srlgValue, short hLength) {
this.srlgValue = srlgValue;
if (0 == hLength) {
this.hLength = (short) ((srlgValue.length) * 4);
} else {
this.hLength = hLength;
}
}
/**
* Returns object of SharedRiskLinkGroupTlv.
*
* @param raw value
* @param hLength length
* @return object of SharedRiskLinkGroupTlv
*/
public static SharedRiskLinkGroupTlv of(final int[] raw, short hLength) {
return new SharedRiskLinkGroupTlv(raw, hLength);
}
/**
* Returns SRLG Value.
*
* @return srlgValue
*/
public int[] getValue() {
return srlgValue;
}
@Override
public PcepVersion getVersion() {
return PcepVersion.PCEP_1;
}
@Override
public short getType() {
return TYPE;
}
@Override
public short getLength() {
return hLength;
}
@Override
public int hashCode() {
return Arrays.hashCode(srlgValue);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof SharedRiskLinkGroupTlv) {
SharedRiskLinkGroupTlv other = (SharedRiskLinkGroupTlv) obj;
return Arrays.equals(this.srlgValue, other.srlgValue);
}
return false;
}
@Override
public int write(ChannelBuffer c) {
int iLenStartIndex = c.writerIndex();
c.writeShort(TYPE);
c.writeShort(hLength);
for (int b : srlgValue) {
c.writeInt(b);
}
return c.writerIndex() - iLenStartIndex;
}
/**
* Reads from channel buffer and returns object of SharedRiskLinkGroupTlv.
*
* @param c input channel buffer
* @param hLength length
* @return object of SharedRiskLinkGroupTlv
*/
public static PcepValueType read(ChannelBuffer c, short hLength) {
int iLength = hLength / 4;
int[] iSharedRiskLinkGroup = new int[iLength];
for (int i = 0; i < iLength; i++) {
iSharedRiskLinkGroup[i] = c.readInt();
}
return new SharedRiskLinkGroupTlv(iSharedRiskLinkGroup, hLength);
}
@Override
public String toString() {
ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass());
toStrHelper.add("Type", TYPE);
toStrHelper.add("Length", hLength);
StringBuffer result = new StringBuffer();
for (int b : srlgValue) {
result.append(String.format("%02X ", b));
}
toStrHelper.add("Value", result);
return toStrHelper.toString();
}
}
|
