Shashikanth VH | b58cfd5 | 2016-04-21 16:45:50 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present 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.onosproject.bgpio.util.Constants; |
| 22 | import org.slf4j.Logger; |
| 23 | import org.slf4j.LoggerFactory; |
| 24 | |
| 25 | import com.google.common.base.MoreObjects; |
| 26 | |
| 27 | /** |
| 28 | * Provides implementation of BGP route policy distribution capability tlv. |
| 29 | */ |
| 30 | public class RpdCapabilityTlv implements BgpValueType { |
| 31 | |
| 32 | protected static final Logger log = LoggerFactory |
| 33 | .getLogger(RpdCapabilityTlv.class); |
| 34 | |
| 35 | public static final byte TYPE = (byte) 129; |
| 36 | public static final byte LENGTH = 4; |
| 37 | private short afi = Constants.AFI_FLOWSPEC_RPD_VALUE; |
| 38 | private byte sAfi = Constants.SAFI_FLOWSPEC_RPD_VALUE; |
| 39 | |
| 40 | private final byte sendReceive; |
| 41 | |
| 42 | /** |
| 43 | * Creates instance of route policy distribution capability. |
| 44 | * @param sendReceive value indicate wherether flow route is only for receive or send or both. |
| 45 | */ |
| 46 | public RpdCapabilityTlv(byte sendReceive) { |
| 47 | this.sendReceive = sendReceive; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Creates instance of RpdCapabilityTlv. |
| 52 | * @param sendReceive value indicate wherether flow route is only for receive or send or both. |
| 53 | * @return object of RpdCapabilityTlv |
| 54 | */ |
| 55 | public static RpdCapabilityTlv of(final byte sendReceive) { |
| 56 | return new RpdCapabilityTlv(sendReceive); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Returns value of send receive field of route policy distribution capability. |
| 61 | * @return send receive value of route policy distribution capability |
| 62 | */ |
| 63 | public byte sendReceive() { |
| 64 | return sendReceive; |
| 65 | } |
| 66 | |
Shashikanth VH | 26fd38a | 2016-04-26 18:11:37 +0530 | [diff] [blame^] | 67 | /** |
| 68 | * Returns address family identifier value. |
| 69 | * @return afi address family identifier value |
| 70 | */ |
| 71 | public short getAfi() { |
| 72 | return afi; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Returns subsequent address family identifier value. |
| 77 | * @return safi subsequent address family identifier value |
| 78 | */ |
| 79 | public byte getSafi() { |
| 80 | return sAfi; |
| 81 | } |
| 82 | |
Shashikanth VH | b58cfd5 | 2016-04-21 16:45:50 +0530 | [diff] [blame] | 83 | @Override |
| 84 | public short getType() { |
| 85 | return TYPE; |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public int hashCode() { |
| 90 | return Objects.hash(sendReceive); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public boolean equals(Object obj) { |
| 95 | if (this == obj) { |
| 96 | return true; |
| 97 | } |
| 98 | if (obj instanceof RpdCapabilityTlv) { |
| 99 | RpdCapabilityTlv other = (RpdCapabilityTlv) obj; |
| 100 | return Objects.equals(sendReceive, other.sendReceive); |
| 101 | } |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public int write(ChannelBuffer cb) { |
| 107 | int iLenStartIndex = cb.writerIndex(); |
| 108 | cb.writeByte(TYPE); |
| 109 | cb.writeByte(LENGTH); |
| 110 | cb.writeShort(afi); |
| 111 | cb.writeByte(sAfi); |
| 112 | cb.writeByte(sendReceive); |
| 113 | return cb.writerIndex() - iLenStartIndex; |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * Reads the channel buffer and returns object of RpdCapabilityTlv. |
| 118 | * @param cb type of channel buffer |
| 119 | * @return object of RpdCapabilityTlv |
| 120 | */ |
| 121 | public static RpdCapabilityTlv read(ChannelBuffer cb) { |
| 122 | short afi = cb.readShort(); |
| 123 | byte sAfi = cb.readByte(); |
| 124 | return RpdCapabilityTlv.of(cb.readByte()); |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public String toString() { |
| 129 | return MoreObjects.toStringHelper(getClass()) |
| 130 | .add("Type", TYPE) |
| 131 | .add("Length", LENGTH) |
| 132 | .add("afi", afi) |
| 133 | .add("safi", sAfi) |
| 134 | .add("sendReceive", sendReceive).toString(); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public int compareTo(Object o) { |
| 139 | // TODO Auto-generated method stub |
| 140 | return 0; |
| 141 | } |
| 142 | } |