Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [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.pcepio.types; |
| 17 | |
| 18 | import java.util.Objects; |
| 19 | |
| 20 | import org.jboss.netty.buffer.ChannelBuffer; |
| 21 | import org.onosproject.pcepio.protocol.PcepVersion; |
| 22 | import org.slf4j.Logger; |
| 23 | import org.slf4j.LoggerFactory; |
| 24 | |
| 25 | import com.google.common.base.MoreObjects; |
| 26 | |
| 27 | /** |
| 28 | * Provides TED Capability Tlv. |
| 29 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 30 | public class LsCapabilityTlv implements PcepValueType { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 31 | |
| 32 | /* |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 33 | * Reference :draft-dhodylee-pce-pcep-ls-01, section 9.1.1. |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 34 | * 0 1 2 3 |
| 35 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| 36 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 37 | | Type=[TBD5] | Length=4 | |
| 38 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 39 | | Flags |R| |
| 40 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 41 | */ |
| 42 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 43 | protected static final Logger log = LoggerFactory.getLogger(LsCapabilityTlv.class); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 44 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 45 | public static final short TYPE = (short) 65280; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 46 | public static final short LENGTH = 4; |
| 47 | public static final int SET = 1; |
| 48 | public static final byte RFLAG_CHECK = 0x01; |
| 49 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 50 | private final boolean rFlag; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 51 | private final int rawValue; |
| 52 | private final boolean isRawValueSet; |
| 53 | |
| 54 | /** |
| 55 | * Constructor to initialize raw Value. |
| 56 | * |
| 57 | * @param rawValue Flags |
| 58 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 59 | public LsCapabilityTlv(final int rawValue) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 60 | this.rawValue = rawValue; |
| 61 | this.isRawValueSet = true; |
| 62 | int temp = rawValue; |
| 63 | temp = temp & RFLAG_CHECK; |
| 64 | if (temp == SET) { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 65 | this.rFlag = true; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 66 | } else { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 67 | this.rFlag = false; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | } |
| 71 | |
| 72 | /** |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 73 | * Constructor to initialize rFlag. |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 74 | * |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 75 | * @param rFlag R-flag |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 76 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 77 | public LsCapabilityTlv(boolean rFlag) { |
| 78 | this.rFlag = rFlag; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 79 | this.rawValue = 0; |
| 80 | this.isRawValueSet = false; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Returns R-flag. |
| 85 | * |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 86 | * @return rFlag |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 87 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 88 | public boolean getrFlag() { |
| 89 | return rFlag; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | /** |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 93 | * Returns an object of LsCapabilityTlv. |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 94 | * |
| 95 | * @param raw value Flags |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 96 | * @return object of LsCapabilityTlv |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 97 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 98 | public static LsCapabilityTlv of(final int raw) { |
| 99 | return new LsCapabilityTlv(raw); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public PcepVersion getVersion() { |
| 104 | return PcepVersion.PCEP_1; |
| 105 | } |
| 106 | |
| 107 | public int getInt() { |
| 108 | return rawValue; |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public short getType() { |
| 113 | return TYPE; |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public short getLength() { |
| 118 | return LENGTH; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public int hashCode() { |
| 123 | if (isRawValueSet) { |
| 124 | return Objects.hash(rawValue); |
| 125 | } else { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 126 | return Objects.hash(rFlag); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 127 | } |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public boolean equals(Object obj) { |
| 132 | if (this == obj) { |
| 133 | return true; |
| 134 | } |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 135 | if (obj instanceof LsCapabilityTlv) { |
| 136 | LsCapabilityTlv other = (LsCapabilityTlv) obj; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 137 | if (isRawValueSet) { |
| 138 | return Objects.equals(this.rawValue, other.rawValue); |
| 139 | } else { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 140 | return Objects.equals(this.rFlag, other.rFlag); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 141 | } |
| 142 | } |
| 143 | return false; |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public int write(ChannelBuffer c) { |
| 148 | int iStartIndex = c.writerIndex(); |
| 149 | int temp = 0; |
| 150 | c.writeShort(TYPE); |
| 151 | c.writeShort(LENGTH); |
| 152 | if (isRawValueSet) { |
| 153 | c.writeInt(rawValue); |
| 154 | } else { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 155 | if (rFlag) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 156 | temp = temp | RFLAG_CHECK; |
| 157 | } |
| 158 | c.writeInt(temp); |
| 159 | } |
| 160 | return c.writerIndex() - iStartIndex; |
| 161 | } |
| 162 | |
| 163 | /** |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 164 | * Reads channel buffer and returns object of LsCapabilityTlv. |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 165 | * |
| 166 | * @param c input channel buffer |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 167 | * @return object of LsCapabilityTlv |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 168 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame^] | 169 | public static LsCapabilityTlv read(ChannelBuffer c) { |
| 170 | return LsCapabilityTlv.of(c.readInt()); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | @Override |
| 174 | public String toString() { |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 175 | return MoreObjects.toStringHelper(getClass()) |
| 176 | .add("Type", TYPE) |
| 177 | .add("Length", LENGTH) |
| 178 | .add("Value", rawValue) |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 179 | .toString(); |
| 180 | } |
| 181 | } |