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[Emu] [ONOS-2602]Implement BGP Update Protocol Message Mpreach and MPunreach par…
…se and decode(Node, Link and Prefix) Change-Id: Idba57626625cd1207b2b0fbddd39214faca337b6
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1 | +/* | ||
2 | + * Copyright 2015 Open Networking Laboratory | ||
3 | + * | ||
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 | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
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. | ||
15 | + */ | ||
16 | +package org.onosproject.bgpio.types; | ||
17 | + | ||
18 | +import java.net.InetAddress; | ||
19 | +import java.util.Objects; | ||
20 | + | ||
21 | +import org.jboss.netty.buffer.ChannelBuffer; | ||
22 | +import org.onlab.packet.Ip4Address; | ||
23 | +import org.onosproject.bgpio.exceptions.BGPParseException; | ||
24 | +import org.slf4j.Logger; | ||
25 | +import org.slf4j.LoggerFactory; | ||
26 | + | ||
27 | +import com.google.common.base.MoreObjects; | ||
28 | +import com.google.common.base.Preconditions; | ||
29 | + | ||
30 | +/** | ||
31 | + * Provides Implementation of IPv4AddressTlv. | ||
32 | + */ | ||
33 | +public class IPv4AddressTlv implements BGPValueType { | ||
34 | + private static final Logger log = LoggerFactory.getLogger(IPv4AddressTlv.class); | ||
35 | + private static final int LENGTH = 4; | ||
36 | + | ||
37 | + private Ip4Address address; | ||
38 | + private short type; | ||
39 | + | ||
40 | + /** | ||
41 | + * Constructor to initialize parameters. | ||
42 | + * | ||
43 | + * @param address Ipv4 address of interface/neighbor | ||
44 | + * @param type address type | ||
45 | + */ | ||
46 | + public IPv4AddressTlv(Ip4Address address, short type) { | ||
47 | + this.address = Preconditions.checkNotNull(address); | ||
48 | + this.type = type; | ||
49 | + } | ||
50 | + | ||
51 | + /** | ||
52 | + * Returns Ipv4 address of interface/neighbor. | ||
53 | + * | ||
54 | + * @return Ipv4 address of interface/neighbor | ||
55 | + */ | ||
56 | + public Ip4Address getValue() { | ||
57 | + return address; | ||
58 | + } | ||
59 | + | ||
60 | + @Override | ||
61 | + public short getType() { | ||
62 | + return this.type; | ||
63 | + } | ||
64 | + | ||
65 | + @Override | ||
66 | + public int hashCode() { | ||
67 | + return Objects.hash(address); | ||
68 | + } | ||
69 | + | ||
70 | + @Override | ||
71 | + public boolean equals(Object obj) { | ||
72 | + if (this == obj) { | ||
73 | + return true; | ||
74 | + } | ||
75 | + if (obj instanceof IPv4AddressTlv) { | ||
76 | + IPv4AddressTlv other = (IPv4AddressTlv) obj; | ||
77 | + return Objects.equals(this.address, other.address) && Objects.equals(this.type, other.type); | ||
78 | + } | ||
79 | + return false; | ||
80 | + } | ||
81 | + | ||
82 | + @Override | ||
83 | + public int write(ChannelBuffer cb) { | ||
84 | + int iLenStartIndex = cb.writerIndex(); | ||
85 | + cb.writeShort(type); | ||
86 | + cb.writeShort(LENGTH); | ||
87 | + cb.writeInt(address.toInt()); | ||
88 | + return cb.writerIndex() - iLenStartIndex; | ||
89 | + } | ||
90 | + | ||
91 | + /** | ||
92 | + * Reads the channel buffer and returns object of IPv4AddressTlv. | ||
93 | + * | ||
94 | + * @param cb channelBuffer | ||
95 | + * @param type address type | ||
96 | + * @return object of IPv4AddressTlv | ||
97 | + * @throws BGPParseException while parsing IPv4AddressTlv | ||
98 | + */ | ||
99 | + public static IPv4AddressTlv read(ChannelBuffer cb, short type) throws BGPParseException { | ||
100 | + //TODO: use Validation.toInetAddress once Validation is merged | ||
101 | + InetAddress ipAddress = (InetAddress) cb.readBytes(LENGTH); | ||
102 | + if (ipAddress.isMulticastAddress()) { | ||
103 | + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, (byte) 0, null); | ||
104 | + } | ||
105 | + Ip4Address address = Ip4Address.valueOf(ipAddress); | ||
106 | + return IPv4AddressTlv.of(address, type); | ||
107 | + } | ||
108 | + | ||
109 | + /** | ||
110 | + * Returns object of this class with specified values. | ||
111 | + * | ||
112 | + * @param address Ipv4 interface/neighbor Address | ||
113 | + * @param type says Ipv4 address of interface/neighbor tlv type | ||
114 | + * @return object of this class | ||
115 | + */ | ||
116 | + public static IPv4AddressTlv of(final Ip4Address address , final short type) { | ||
117 | + return new IPv4AddressTlv(address, type); | ||
118 | + } | ||
119 | + | ||
120 | + @Override | ||
121 | + public String toString() { | ||
122 | + return MoreObjects.toStringHelper(getClass()) | ||
123 | + .add("type", type) | ||
124 | + .add("LENGTH", LENGTH) | ||
125 | + .add("address", address) | ||
126 | + .toString(); | ||
127 | + } | ||
128 | +} | ||
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1 | +/* | ||
2 | + * Copyright 2015 Open Networking Laboratory | ||
3 | + * | ||
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 | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
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. | ||
15 | + */ | ||
16 | +package org.onosproject.bgpio.types; | ||
17 | + | ||
18 | +import java.net.InetAddress; | ||
19 | +import java.util.Objects; | ||
20 | + | ||
21 | +import org.jboss.netty.buffer.ChannelBuffer; | ||
22 | +import org.onlab.packet.Ip6Address; | ||
23 | +import org.onosproject.bgpio.exceptions.BGPParseException; | ||
24 | +import org.slf4j.Logger; | ||
25 | +import org.slf4j.LoggerFactory; | ||
26 | + | ||
27 | +import com.google.common.base.MoreObjects; | ||
28 | +import com.google.common.base.Preconditions; | ||
29 | + | ||
30 | +/** | ||
31 | + * Provides Implementation of IPv6AddressTlv. | ||
32 | + */ | ||
33 | +public class IPv6AddressTlv implements BGPValueType { | ||
34 | + private static final Logger log = LoggerFactory.getLogger(IPv6AddressTlv.class); | ||
35 | + private static final int LENGTH = 16; | ||
36 | + | ||
37 | + private final Ip6Address address; | ||
38 | + private short type; | ||
39 | + | ||
40 | + /** | ||
41 | + * Constructor to initialize parameters. | ||
42 | + * | ||
43 | + * @param address Ipv6 address of interface/neighbor | ||
44 | + * @param type address type | ||
45 | + */ | ||
46 | + public IPv6AddressTlv(Ip6Address address, short type) { | ||
47 | + this.address = Preconditions.checkNotNull(address); | ||
48 | + this.type = type; | ||
49 | + } | ||
50 | + | ||
51 | + /** | ||
52 | + * Returns Ipv6 address of interface/neighbor. | ||
53 | + * | ||
54 | + * @return Ipv6 address of interface/neighbor | ||
55 | + */ | ||
56 | + public Ip6Address getValue() { | ||
57 | + return address; | ||
58 | + } | ||
59 | + | ||
60 | + @Override | ||
61 | + public short getType() { | ||
62 | + return type; | ||
63 | + } | ||
64 | + | ||
65 | + @Override | ||
66 | + public int hashCode() { | ||
67 | + return Objects.hash(address); | ||
68 | + } | ||
69 | + | ||
70 | + @Override | ||
71 | + public boolean equals(Object obj) { | ||
72 | + if (this == obj) { | ||
73 | + return true; | ||
74 | + } | ||
75 | + if (obj instanceof IPv6AddressTlv) { | ||
76 | + IPv6AddressTlv other = (IPv6AddressTlv) obj; | ||
77 | + return Objects.equals(this.address, other.address) && Objects.equals(this.type, other.type); | ||
78 | + } | ||
79 | + return false; | ||
80 | + } | ||
81 | + | ||
82 | + @Override | ||
83 | + public int write(ChannelBuffer cb) { | ||
84 | + int iLenStartIndex = cb.writerIndex(); | ||
85 | + cb.writeShort(type); | ||
86 | + cb.writeShort(LENGTH); | ||
87 | + cb.writeBytes(address.toOctets()); | ||
88 | + return cb.writerIndex() - iLenStartIndex; | ||
89 | + } | ||
90 | + | ||
91 | + /** | ||
92 | + * Reads the channel buffer and returns object of IPv6AddressTlv. | ||
93 | + * | ||
94 | + * @param cb channelBuffer | ||
95 | + * @param type address type | ||
96 | + * @return object of IPv6AddressTlv | ||
97 | + * @throws BGPParseException while parsing IPv6AddressTlv | ||
98 | + */ | ||
99 | + public static IPv6AddressTlv read(ChannelBuffer cb, short type) throws BGPParseException { | ||
100 | + //TODO: use Validation.toInetAddress once Validation is merged | ||
101 | + InetAddress ipAddress = (InetAddress) cb.readBytes(LENGTH); | ||
102 | + if (ipAddress.isMulticastAddress()) { | ||
103 | + throw new BGPParseException(BGPErrorType.UPDATE_MESSAGE_ERROR, (byte) 0, null); | ||
104 | + } | ||
105 | + Ip6Address address = Ip6Address.valueOf(ipAddress); | ||
106 | + return IPv6AddressTlv.of(address, type); | ||
107 | + } | ||
108 | + | ||
109 | + /** | ||
110 | + * Returns object of this class with specified values. | ||
111 | + * | ||
112 | + * @param address Ipv6 interface/neighbor address | ||
113 | + * @param type says Ipv6 address of interface/neighbor tlv type | ||
114 | + * @return object of this class | ||
115 | + */ | ||
116 | + public static IPv6AddressTlv of(final Ip6Address address , final short type) { | ||
117 | + return new IPv6AddressTlv(address, type); | ||
118 | + } | ||
119 | + | ||
120 | + @Override | ||
121 | + public String toString() { | ||
122 | + return MoreObjects.toStringHelper(getClass()) | ||
123 | + .add("type", type) | ||
124 | + .add("LENGTH", LENGTH) | ||
125 | + .add("address", address) | ||
126 | + .toString(); | ||
127 | + } | ||
128 | +} | ||
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1 | +/* | ||
2 | + * Copyright 2015 Open Networking Laboratory | ||
3 | + * | ||
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 | ||
7 | + * | ||
8 | + * http://www.apache.org/licenses/LICENSE-2.0 | ||
9 | + * | ||
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. | ||
15 | + */ | ||
16 | +package org.onosproject.bgpio.types; | ||
17 | + | ||
18 | +import java.util.Objects; | ||
19 | + | ||
20 | +import org.jboss.netty.buffer.ChannelBuffer; | ||
21 | +import org.slf4j.Logger; | ||
22 | +import org.slf4j.LoggerFactory; | ||
23 | + | ||
24 | +import com.google.common.base.MoreObjects; | ||
25 | + | ||
26 | +/** | ||
27 | + * Provides Implementation of Link Local/Remote IdentifiersTlv. | ||
28 | + */ | ||
29 | +public class LinkLocalRemoteIdentifiersTlv implements BGPValueType { | ||
30 | + private static final Logger log = LoggerFactory.getLogger(LinkLocalRemoteIdentifiersTlv.class); | ||
31 | + public static final short TYPE = 258; | ||
32 | + private static final int LENGTH = 8; | ||
33 | + | ||
34 | + private final int linkLocalIdentifer; | ||
35 | + private final int linkRemoteIdentifer; | ||
36 | + | ||
37 | + /** | ||
38 | + * Constructor to initialize parameters. | ||
39 | + * | ||
40 | + * @param linkLocalIdentifer link local Identifer | ||
41 | + * @param linkRemoteIdentifer link remote Identifer | ||
42 | + */ | ||
43 | + public LinkLocalRemoteIdentifiersTlv(int linkLocalIdentifer, int linkRemoteIdentifer) { | ||
44 | + this.linkLocalIdentifer = linkLocalIdentifer; | ||
45 | + this.linkRemoteIdentifer = linkRemoteIdentifer; | ||
46 | + } | ||
47 | + | ||
48 | + /** | ||
49 | + * Returns link remote Identifer. | ||
50 | + * | ||
51 | + * @return link remote Identifer | ||
52 | + */ | ||
53 | + public int getLinkRemoteIdentifier() { | ||
54 | + return linkRemoteIdentifer; | ||
55 | + } | ||
56 | + | ||
57 | + /** | ||
58 | + * Returns link local Identifer. | ||
59 | + * | ||
60 | + * @return link local Identifer | ||
61 | + */ | ||
62 | + public int getLinkLocalIdentifier() { | ||
63 | + return linkLocalIdentifer; | ||
64 | + } | ||
65 | + | ||
66 | + @Override | ||
67 | + public short getType() { | ||
68 | + return TYPE; | ||
69 | + } | ||
70 | + | ||
71 | + @Override | ||
72 | + public int hashCode() { | ||
73 | + return Objects.hash(linkLocalIdentifer, linkRemoteIdentifer); | ||
74 | + } | ||
75 | + | ||
76 | + @Override | ||
77 | + public boolean equals(Object obj) { | ||
78 | + if (this == obj) { | ||
79 | + return true; | ||
80 | + } | ||
81 | + if (obj instanceof LinkLocalRemoteIdentifiersTlv) { | ||
82 | + LinkLocalRemoteIdentifiersTlv other = (LinkLocalRemoteIdentifiersTlv) obj; | ||
83 | + return Objects.equals(this.linkLocalIdentifer, other.linkLocalIdentifer) | ||
84 | + && Objects.equals(this.linkRemoteIdentifer, other.linkRemoteIdentifer); | ||
85 | + } | ||
86 | + return false; | ||
87 | + } | ||
88 | + | ||
89 | + @Override | ||
90 | + public int write(ChannelBuffer cb) { | ||
91 | + int iLenStartIndex = cb.writerIndex(); | ||
92 | + cb.writeShort(TYPE); | ||
93 | + cb.writeShort(LENGTH); | ||
94 | + cb.writeInt(linkLocalIdentifer); | ||
95 | + cb.writeInt(linkRemoteIdentifer); | ||
96 | + return cb.writerIndex() - iLenStartIndex; | ||
97 | + } | ||
98 | + | ||
99 | + /** | ||
100 | + * Reads the channel buffer and returns object of LinkLocalRemoteIdentifiersTlv. | ||
101 | + * | ||
102 | + * @param cb channelBuffer | ||
103 | + * @return object of LinkLocalRemoteIdentifiersTlv | ||
104 | + */ | ||
105 | + public static LinkLocalRemoteIdentifiersTlv read(ChannelBuffer cb) { | ||
106 | + int linkLocalIdentifer = cb.readInt(); | ||
107 | + int linkRemoteIdentifer = cb.readInt(); | ||
108 | + return LinkLocalRemoteIdentifiersTlv.of(linkLocalIdentifer, linkRemoteIdentifer); | ||
109 | + } | ||
110 | + | ||
111 | + /** | ||
112 | + * Returns object of this class with specified link local identifer and link remote identifer. | ||
113 | + * | ||
114 | + * @param linkLocalIdentifer link local identifier | ||
115 | + * @param linkRemoteIdentifer link remote identifier | ||
116 | + * @return object of LinkLocalRemoteIdentifiersTlv | ||
117 | + */ | ||
118 | + public static LinkLocalRemoteIdentifiersTlv of(final int linkLocalIdentifer, final int linkRemoteIdentifer) { | ||
119 | + return new LinkLocalRemoteIdentifiersTlv(linkLocalIdentifer, linkRemoteIdentifer); | ||
120 | + } | ||
121 | + | ||
122 | + @Override | ||
123 | + public String toString() { | ||
124 | + return MoreObjects.toStringHelper(getClass()) | ||
125 | + .add("TYPE", TYPE) | ||
126 | + .add("LENGTH", LENGTH) | ||
127 | + .add("linkLocalIdentifer", linkLocalIdentifer) | ||
128 | + .add("linkRemoteIdentifer", linkRemoteIdentifer) | ||
129 | + .toString(); | ||
130 | + } | ||
131 | +} | ||
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