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
|
/*
* 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.bgpio.types.attr;
import java.util.Objects;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onlab.packet.Ip6Address;
import org.onosproject.bgpio.exceptions.BGPParseException;
import org.onosproject.bgpio.types.BGPErrorType;
import org.onosproject.bgpio.types.BGPValueType;
import org.onosproject.bgpio.util.Validation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
/**
* Implements BGP attribute IPv6 router ID.
*/
public final class BgpAttrRouterIdV6 implements BGPValueType {
protected static final Logger log = LoggerFactory
.getLogger(BgpAttrRouterIdV6.class);
private final short sType;
/* IPv4 Router-ID of Node */
private final Ip6Address ip6RouterId;
/**
* Constructor to initialize the value.
*
* @param ip6RouterId IPV6 address of the router ID
* @param sType TLV type
*/
private BgpAttrRouterIdV6(Ip6Address ip6RouterId, short sType) {
this.ip6RouterId = ip6RouterId;
this.sType = sType;
}
/**
* Returns object of this class with specified values.
*
* @param ip6RouterId IPV6 address of the router ID
* @param sType TLV type
* @return object of BgpAttrRouterIdV6
*/
public static BgpAttrRouterIdV6 of(final Ip6Address ip6RouterId,
final short sType) {
return new BgpAttrRouterIdV6(ip6RouterId, sType);
}
/**
* Reads the IPv6 Router-ID.
*
* @param cb ChannelBuffer
* @param sType TLV type
* @return object of BgpAttrRouterIdV6
* @throws BGPParseException while parsing BgpAttrRouterIdV6
*/
public static BgpAttrRouterIdV6 read(ChannelBuffer cb, short sType)
throws BGPParseException {
byte[] ipBytes;
Ip6Address ip6RouterId;
short lsAttrLength = cb.readShort();
if ((lsAttrLength != 16) || (cb.readableBytes() < lsAttrLength)) {
Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
lsAttrLength);
}
ipBytes = new byte[lsAttrLength];
cb.readBytes(ipBytes);
ip6RouterId = Ip6Address.valueOf(ipBytes);
return BgpAttrRouterIdV6.of(ip6RouterId, sType);
}
/**
* Returns IPV6 router ID.
*
* @return Router ID
*/
public Ip6Address attrRouterId() {
return ip6RouterId;
}
@Override
public short getType() {
return sType;
}
@Override
public int hashCode() {
return Objects.hash(ip6RouterId);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof BgpAttrRouterIdV6) {
BgpAttrRouterIdV6 other = (BgpAttrRouterIdV6) obj;
return Objects.equals(ip6RouterId, other.ip6RouterId);
}
return false;
}
@Override
public int write(ChannelBuffer cb) {
// TODO This will be implemented in the next version
return 0;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass()).omitNullValues()
.add("ip6RouterId", ip6RouterId).toString();
}
}
|
