Priyanka B | 8f58729 | 2015-09-29 15:28:00 +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; |
| 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 | } |