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 | import org.jboss.netty.buffer.ChannelBuffer; |
| 20 | import org.onosproject.pcepio.protocol.PcepVersion; |
| 21 | import org.slf4j.Logger; |
| 22 | import org.slf4j.LoggerFactory; |
| 23 | |
| 24 | import com.google.common.base.MoreObjects; |
| 25 | |
| 26 | /** |
| 27 | * Provide node Flags bits. |
| 28 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 29 | public class NodeFlagBitsSubTlv implements PcepValueType { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 30 | |
| 31 | /* Reference :[I-D.ietf-idr- ls-distribution] /3.3.1.1 |
| 32 | * 0 1 2 3 |
| 33 | 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 |
| 34 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 35 | | Type=[TBD21] | Length=1 | |
| 36 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 37 | |O|T|E|B| Reserved| |
| 38 | +-+-+-+-+-+-+-+-+-+ |
| 39 | */ |
| 40 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 41 | protected static final Logger log = LoggerFactory.getLogger(NodeFlagBitsSubTlv.class); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 42 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 43 | public static final short TYPE = 13; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 44 | public static final short LENGTH = 1; |
| 45 | public static final int SET = 1; |
| 46 | public static final byte OFLAG_SET = (byte) 0x80; |
| 47 | public static final byte TFLAG_SET = 0x40; |
| 48 | public static final byte EFLAG_SET = 0x20; |
| 49 | public static final byte BFLAG_SET = 0x10; |
| 50 | |
| 51 | private final byte rawValue; |
| 52 | private final boolean bOFlag; |
| 53 | private final boolean bTFlag; |
| 54 | private final boolean bEFlag; |
| 55 | private final boolean bBFlag; |
| 56 | private final boolean isRawValueSet; |
| 57 | |
| 58 | /** |
| 59 | * constructor to initialize rawValue. |
| 60 | * |
| 61 | * @param rawValue of Node Flag Bits TLV |
| 62 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 63 | public NodeFlagBitsSubTlv(byte rawValue) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 64 | this.rawValue = rawValue; |
| 65 | isRawValueSet = true; |
Phanendra Manda | f346ea8 | 2015-09-04 15:21:39 -0700 | [diff] [blame] | 66 | this.bOFlag = (rawValue & OFLAG_SET) == OFLAG_SET; |
| 67 | this.bTFlag = (rawValue & TFLAG_SET) == TFLAG_SET; |
| 68 | this.bEFlag = (rawValue & EFLAG_SET) == EFLAG_SET; |
| 69 | this.bBFlag = (rawValue & BFLAG_SET) == BFLAG_SET; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | /** |
| 73 | * constructor to initialize different Flags. |
| 74 | * |
| 75 | * @param bOFlag O-flag |
| 76 | * @param bTFlag T-flag |
| 77 | * @param bEFlag E-flag |
| 78 | * @param bBFlag B-flag |
| 79 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 80 | public NodeFlagBitsSubTlv(boolean bOFlag, boolean bTFlag, boolean bEFlag, boolean bBFlag) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 81 | this.bOFlag = bOFlag; |
| 82 | this.bTFlag = bTFlag; |
| 83 | this.bEFlag = bEFlag; |
| 84 | this.bBFlag = bBFlag; |
| 85 | this.rawValue = 0; |
| 86 | this.isRawValueSet = false; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Returns newly created NodeFlagBitsTlv object. |
| 91 | * |
| 92 | * @param raw of Node Flag Bits TLV |
| 93 | * @return new object of NodeFlagBitsTlv |
| 94 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 95 | public static NodeFlagBitsSubTlv of(final byte raw) { |
| 96 | return new NodeFlagBitsSubTlv(raw); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Returns raw value of NodeFlagBitsTlv. |
| 101 | * |
| 102 | * @return rawValue raw value |
| 103 | */ |
| 104 | public byte getbyte() { |
| 105 | return rawValue; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Returns O-flag. |
| 110 | * |
| 111 | * @return bOFlag O-flag |
| 112 | */ |
| 113 | public boolean getOFlag() { |
| 114 | return bOFlag; |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Returns T-flag. |
| 119 | * |
| 120 | * @return bTFlag T-flag |
| 121 | */ |
| 122 | public boolean getTFlag() { |
| 123 | return bTFlag; |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Returns E-flag. |
| 128 | * |
| 129 | * @return bEFlag E-flag |
| 130 | */ |
| 131 | public boolean getEFlag() { |
| 132 | return bEFlag; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Returns B-flag. |
| 137 | * |
| 138 | * @return bBFlag B-flag |
| 139 | */ |
| 140 | public boolean getBFlag() { |
| 141 | return bBFlag; |
| 142 | } |
| 143 | |
| 144 | @Override |
| 145 | public PcepVersion getVersion() { |
| 146 | return PcepVersion.PCEP_1; |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public short getType() { |
| 151 | return TYPE; |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public short getLength() { |
| 156 | return LENGTH; |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public int hashCode() { |
| 161 | if (isRawValueSet) { |
| 162 | return Objects.hash(rawValue); |
| 163 | } else { |
| 164 | return Objects.hash(bOFlag, bTFlag, bEFlag, bBFlag); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public boolean equals(Object obj) { |
| 170 | if (this == obj) { |
| 171 | return true; |
| 172 | } |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 173 | if (obj instanceof NodeFlagBitsSubTlv) { |
| 174 | NodeFlagBitsSubTlv other = (NodeFlagBitsSubTlv) obj; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 175 | if (isRawValueSet) { |
| 176 | return Objects.equals(this.rawValue, other.rawValue); |
| 177 | } else { |
| 178 | return Objects.equals(this.bOFlag, other.bOFlag) && Objects.equals(this.bTFlag, other.bTFlag) |
| 179 | && Objects.equals(this.bEFlag, other.bEFlag) && Objects.equals(this.bBFlag, other.bBFlag); |
| 180 | } |
| 181 | } |
| 182 | return false; |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public int write(ChannelBuffer c) { |
| 187 | int iLenStartIndex = c.writerIndex(); |
| 188 | c.writeShort(TYPE); |
| 189 | c.writeShort(LENGTH); |
| 190 | if (isRawValueSet) { |
| 191 | c.writeByte(rawValue); |
| 192 | } else { |
| 193 | byte temp = 0; |
| 194 | if (bOFlag) { |
| 195 | temp = (byte) (temp | OFLAG_SET); |
| 196 | } |
| 197 | if (bTFlag) { |
| 198 | temp = (byte) (temp | TFLAG_SET); |
| 199 | } |
| 200 | if (bEFlag) { |
| 201 | temp = (byte) (temp | EFLAG_SET); |
| 202 | } |
| 203 | if (bBFlag) { |
| 204 | temp = (byte) (temp | BFLAG_SET); |
| 205 | } |
| 206 | c.writeByte(temp); |
| 207 | } |
| 208 | return c.writerIndex() - iLenStartIndex; |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Reads the channel buffer and returns object of NodeFlagBitsTlv. |
| 213 | * |
| 214 | * @param c input channel buffer |
| 215 | * @return object of NodeFlagBitsTlv |
| 216 | */ |
| 217 | public static PcepValueType read(ChannelBuffer c) { |
| 218 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 219 | return NodeFlagBitsSubTlv.of(c.readByte()); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | @Override |
| 223 | public String toString() { |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 224 | return MoreObjects.toStringHelper(getClass()) |
| 225 | .add("Type", TYPE) |
| 226 | .add("Length", LENGTH) |
| 227 | .add("OFlag", (bOFlag) ? 1 : 0) |
| 228 | .add("TFlag", (bTFlag) ? 1 : 0) |
| 229 | .add("EFlag", (bEFlag) ? 1 : 0) |
| 230 | .add("BFlag", (bBFlag) ? 1 : 0) |
| 231 | .toString(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 232 | } |
| 233 | } |