Thejaswi N K | 53beb00 | 2015-10-13 20:21:34 +0530 | [diff] [blame^] | 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.attr; |
| 17 | |
| 18 | import java.util.Objects; |
| 19 | |
| 20 | import org.jboss.netty.buffer.ChannelBuffer; |
| 21 | import org.onlab.packet.Ip6Address; |
| 22 | import org.onosproject.bgpio.exceptions.BGPParseException; |
| 23 | import org.onosproject.bgpio.types.BGPErrorType; |
| 24 | import org.onosproject.bgpio.types.BGPValueType; |
| 25 | import org.onosproject.bgpio.util.Validation; |
| 26 | import org.slf4j.Logger; |
| 27 | import org.slf4j.LoggerFactory; |
| 28 | |
| 29 | import com.google.common.base.MoreObjects; |
| 30 | |
| 31 | /** |
| 32 | * Implements BGP attribute IPv6 router ID. |
| 33 | */ |
| 34 | public class BgpAttrRouterIdV6 implements BGPValueType { |
| 35 | |
| 36 | protected static final Logger log = LoggerFactory |
| 37 | .getLogger(BgpAttrRouterIdV6.class); |
| 38 | |
| 39 | public short sType; |
| 40 | |
| 41 | /* IPv4 Router-ID of Node */ |
| 42 | private Ip6Address ip6RouterId; |
| 43 | |
| 44 | /** |
| 45 | * Constructor to initialize the value. |
| 46 | * |
| 47 | * @param ip6RouterId IPV6 address of the router ID |
| 48 | * @param sType TLV type |
| 49 | */ |
| 50 | BgpAttrRouterIdV6(Ip6Address ip6RouterId, short sType) { |
| 51 | this.ip6RouterId = ip6RouterId; |
| 52 | this.sType = sType; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Reads the IPv6 Router-ID. |
| 57 | * |
| 58 | * @param cb ChannelBuffer |
| 59 | * @return object of BgpAttrRouterIdV6 |
| 60 | * @throws BGPParseException while parsing BgpAttrRouterIdV6 |
| 61 | */ |
| 62 | public static BgpAttrRouterIdV6 read(ChannelBuffer cb, short sType) |
| 63 | throws BGPParseException { |
| 64 | byte[] ipBytes; |
| 65 | Ip6Address ip6RouterId; |
| 66 | |
| 67 | short lsAttrLength = cb.readShort(); |
| 68 | |
| 69 | if (16 != lsAttrLength) { |
| 70 | Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR, |
| 71 | BGPErrorType.ATTRIBUTE_LENGTH_ERROR, |
| 72 | lsAttrLength); |
| 73 | } |
| 74 | |
| 75 | ipBytes = new byte[lsAttrLength]; |
| 76 | cb.readBytes(ipBytes); |
| 77 | ip6RouterId = Ip6Address.valueOf(ipBytes); |
| 78 | return new BgpAttrRouterIdV6(ip6RouterId, sType); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Returns IPV6 router ID. |
| 83 | * |
| 84 | * @return Router ID |
| 85 | */ |
| 86 | Ip6Address getAttrRouterId() { |
| 87 | return ip6RouterId; |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | public short getType() { |
| 92 | return sType; |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public int hashCode() { |
| 97 | return Objects.hash(ip6RouterId); |
| 98 | } |
| 99 | |
| 100 | @Override |
| 101 | public boolean equals(Object obj) { |
| 102 | if (this == obj) { |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | if (obj instanceof BgpAttrRouterIdV6) { |
| 107 | BgpAttrRouterIdV6 other = (BgpAttrRouterIdV6) obj; |
| 108 | return Objects.equals(ip6RouterId, other.ip6RouterId); |
| 109 | } |
| 110 | return false; |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public int write(ChannelBuffer cb) { |
| 115 | // TODO Auto-generated method stub |
| 116 | return 0; |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public String toString() { |
| 121 | return MoreObjects.toStringHelper(getClass()).omitNullValues() |
| 122 | .add("ip6RouterId", ip6RouterId).toString(); |
| 123 | } |
| 124 | } |