Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 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 | |
| 17 | package org.onosproject.pcepio.protocol.ver1; |
| 18 | |
Priyanka B | 413fbe8 | 2016-05-26 11:44:45 +0530 | [diff] [blame] | 19 | import java.util.Iterator; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 20 | import java.util.LinkedList; |
| 21 | import java.util.ListIterator; |
Priyanka B | 413fbe8 | 2016-05-26 11:44:45 +0530 | [diff] [blame] | 22 | import java.util.Objects; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 23 | |
| 24 | import org.jboss.netty.buffer.ChannelBuffer; |
| 25 | import org.onosproject.pcepio.exceptions.PcepParseException; |
| 26 | import org.onosproject.pcepio.protocol.PcepEroObject; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 27 | import org.onosproject.pcepio.types.AutonomousSystemNumberSubObject; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 28 | import org.onosproject.pcepio.types.IPv4SubObject; |
| 29 | import org.onosproject.pcepio.types.IPv6SubObject; |
| 30 | import org.onosproject.pcepio.types.PathKeySubObject; |
| 31 | import org.onosproject.pcepio.types.PcepErrorDetailInfo; |
| 32 | import org.onosproject.pcepio.types.PcepObjectHeader; |
| 33 | import org.onosproject.pcepio.types.PcepValueType; |
| 34 | import org.onosproject.pcepio.types.SrEroSubObject; |
| 35 | import org.slf4j.Logger; |
| 36 | import org.slf4j.LoggerFactory; |
| 37 | |
| 38 | import com.google.common.base.MoreObjects; |
| 39 | |
| 40 | /** |
| 41 | * Provides PCEP Ero Object. |
| 42 | */ |
| 43 | public class PcepEroObjectVer1 implements PcepEroObject { |
| 44 | /* |
| 45 | * rfc3209 |
| 46 | 0 1 2 3 |
| 47 | 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 |
| 48 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 49 | | Object-Class | OT |Res|P|I| Object Length (bytes) | |
| 50 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 51 | | | |
| 52 | // (Subobjects) // |
| 53 | | | |
| 54 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 55 | |
| 56 | If a Path message contains multiple EXPLICIT_ROUTE objects, only the |
| 57 | first object is meaningful. Subsequent EXPLICIT_ROUTE objects MAY be |
| 58 | ignored and SHOULD NOT be propagated. |
| 59 | |
| 60 | In current implementation, only strict hops are supported. So, |
| 61 | empty ERO with no sub-objects is considered illegal. |
| 62 | |
| 63 | Subobjects: |
| 64 | 0 1 |
| 65 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 |
| 66 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-------------//----------------+ |
| 67 | |L| Type | Length | (Subobject contents) | |
| 68 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-------------//----------------+ |
| 69 | |
| 70 | L |
| 71 | |
| 72 | The L bit is an attribute of the subobject. The L bit is set |
| 73 | if the subobject represents a loose hop in the explicit route. |
| 74 | If the bit is not set, the subobject represents a strict hop in |
| 75 | the explicit route. |
| 76 | |
| 77 | Type |
| 78 | |
| 79 | The Type indicates the type of contents of the subobject. |
| 80 | |
| 81 | |
| 82 | Subobject 1: IPv4 address |
| 83 | |
| 84 | 0 1 2 3 |
| 85 | 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 |
| 86 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 87 | |L| Type | Length | IPv4 address (4 bytes) | |
| 88 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 89 | | IPv4 address (continued) | Prefix Length | Resvd | |
| 90 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 91 | |
| 92 | Subobject 2: IPv6 Prefix |
| 93 | |
| 94 | 0 1 2 3 |
| 95 | 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 |
| 96 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 97 | |L| Type | Length | IPv6 address (16 bytes) | |
| 98 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 99 | | IPv6 address (continued) | |
| 100 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 101 | | IPv6 address (continued) | |
| 102 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 103 | | IPv6 address (continued) | |
| 104 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 105 | | IPv6 address (continued) | Prefix Length | Resvd | |
| 106 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 107 | |
| 108 | Subobject 3: Autonomous System Number |
| 109 | |
| 110 | The contents of an Autonomous System (AS) number subobject are a 2- |
| 111 | octet AS number. The abstract node represented by this subobject is |
| 112 | the set of nodes belonging to the autonomous system. |
| 113 | |
| 114 | The length of the AS number subobject is 4 octets. |
| 115 | |
| 116 | Subobject 4: PATH_KEY_32_BIT_SUB_OBJ_TYPE: |
| 117 | |
| 118 | Pathkey subobject(RFC 5520): |
| 119 | 0 1 2 3 |
| 120 | 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 |
| 121 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 122 | |L| Type | Length | Path-Key | |
| 123 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 124 | | PCE ID (4 bytes) | |
| 125 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 126 | |
| 127 | Subobject 5: SR_ERO_SUB_OBJ_TYPE: |
| 128 | |
| 129 | SR-ERO subobject: (draft-ietf-pce-segment-routing-00) |
| 130 | 0 1 2 3 |
| 131 | 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 |
| 132 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 133 | |L| Type | Length | ST | Flags |F|S|C|M| |
| 134 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 135 | | SID | |
| 136 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 137 | // NAI (variable) // |
| 138 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 139 | */ |
| 140 | |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 141 | private static final Logger log = LoggerFactory.getLogger(PcepEroObjectVer1.class); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 142 | |
| 143 | public static final byte ERO_OBJ_TYPE = 1; |
| 144 | public static final byte ERO_OBJ_CLASS = 7; |
| 145 | public static final byte ERO_OBJECT_VERSION = 1; |
| 146 | public static final short ERO_OBJ_MINIMUM_LENGTH = 12; |
| 147 | public static final byte IPV4_TYPE = 1; |
| 148 | public static final byte PATH_KEY_32_BIT_SUB_OBJ_TYPE = 64; |
| 149 | public static final int LABEL_SUB_OBJ_TYPE = 3; |
| 150 | public static final int SR_ERO_SUB_OBJ_TYPE = 96; |
| 151 | public static final int OBJECT_HEADER_LENGTH = 4; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 152 | public static final int TYPE_SHIFT_VALUE = 0x7F; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 153 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 154 | public static final PcepObjectHeader DEFAULT_ERO_OBJECT_HEADER = new PcepObjectHeader(ERO_OBJ_CLASS, ERO_OBJ_TYPE, |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 155 | PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED, ERO_OBJ_MINIMUM_LENGTH); |
| 156 | |
| 157 | private PcepObjectHeader eroObjHeader; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 158 | private LinkedList<PcepValueType> subObjectList = new LinkedList<>(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 159 | |
| 160 | /** |
| 161 | * reset variables. |
| 162 | */ |
| 163 | public PcepEroObjectVer1() { |
| 164 | this.eroObjHeader = null; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 165 | this.subObjectList = null; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Constructor to initialize parameters of ERO object. |
| 170 | * |
| 171 | * @param eroObjHeader ERO object header |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 172 | * @param subObjectList list of sub objects. |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 173 | */ |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 174 | public PcepEroObjectVer1(PcepObjectHeader eroObjHeader, LinkedList<PcepValueType> subObjectList) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 175 | |
| 176 | this.eroObjHeader = eroObjHeader; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 177 | this.subObjectList = subObjectList; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Returns ERO object header. |
| 182 | * |
| 183 | * @return eroObjHeader ERO object header |
| 184 | */ |
| 185 | public PcepObjectHeader getEroObjHeader() { |
| 186 | return this.eroObjHeader; |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Sets Object Header. |
| 191 | * |
| 192 | * @param obj ERO object header |
| 193 | */ |
| 194 | public void setEroObjHeader(PcepObjectHeader obj) { |
| 195 | this.eroObjHeader = obj; |
| 196 | } |
| 197 | |
| 198 | @Override |
| 199 | public LinkedList<PcepValueType> getSubObjects() { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 200 | return this.subObjectList; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | @Override |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 204 | public void setSubObjects(LinkedList<PcepValueType> subObjectList) { |
| 205 | this.subObjectList = subObjectList; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Reads from channel buffer and returns object of PcepEroObject. |
| 210 | * |
| 211 | * @param cb channel buffer. |
| 212 | * @return object of PcepEroObject |
| 213 | * @throws PcepParseException when ERO object is not present in channel buffer |
| 214 | */ |
| 215 | public static PcepEroObject read(ChannelBuffer cb) throws PcepParseException { |
| 216 | |
| 217 | PcepObjectHeader eroObjHeader; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 218 | LinkedList<PcepValueType> subObjectList = new LinkedList<>(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 219 | |
| 220 | eroObjHeader = PcepObjectHeader.read(cb); |
| 221 | |
| 222 | if (eroObjHeader.getObjClass() != PcepEroObjectVer1.ERO_OBJ_CLASS) { |
| 223 | log.debug("ErrorType:" + PcepErrorDetailInfo.ERROR_TYPE_6 + " ErrorValue:" |
| 224 | + PcepErrorDetailInfo.ERROR_VALUE_9); |
| 225 | throw new PcepParseException(PcepErrorDetailInfo.ERROR_TYPE_6, PcepErrorDetailInfo.ERROR_VALUE_9); |
| 226 | } |
| 227 | |
| 228 | if (eroObjHeader.getObjLen() > OBJECT_HEADER_LENGTH) { |
| 229 | ChannelBuffer tempCb = cb.readBytes(eroObjHeader.getObjLen() - OBJECT_HEADER_LENGTH); |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 230 | subObjectList = parseSubObjects(tempCb); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 231 | } |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 232 | return new PcepEroObjectVer1(eroObjHeader, subObjectList); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Parse list of Sub Objects. |
| 237 | * |
| 238 | * @param cb channel buffer |
| 239 | * @return list of Sub Objects |
| 240 | * @throws PcepParseException when fails to parse sub object list |
| 241 | */ |
| 242 | protected static LinkedList<PcepValueType> parseSubObjects(ChannelBuffer cb) throws PcepParseException { |
| 243 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 244 | LinkedList<PcepValueType> subObjectList = new LinkedList<>(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 245 | |
| 246 | while (0 < cb.readableBytes()) { |
| 247 | |
| 248 | //check the Type of the TLV |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 249 | short type = cb.readByte(); |
| 250 | type = (short) (type & (TYPE_SHIFT_VALUE)); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 251 | byte hLength = cb.readByte(); |
| 252 | |
| 253 | PcepValueType subObj; |
| 254 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 255 | switch (type) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 256 | |
| 257 | case IPv4SubObject.TYPE: |
| 258 | subObj = IPv4SubObject.read(cb); |
| 259 | break; |
| 260 | case IPv6SubObject.TYPE: |
| 261 | byte[] ipv6Value = new byte[IPv6SubObject.VALUE_LENGTH]; |
| 262 | cb.readBytes(ipv6Value, 0, IPv6SubObject.VALUE_LENGTH); |
| 263 | subObj = new IPv6SubObject(ipv6Value); |
| 264 | break; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 265 | case AutonomousSystemNumberSubObject.TYPE: |
| 266 | subObj = AutonomousSystemNumberSubObject.read(cb); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 267 | break; |
| 268 | case PathKeySubObject.TYPE: |
| 269 | subObj = PathKeySubObject.read(cb); |
| 270 | break; |
| 271 | case SrEroSubObject.TYPE: |
| 272 | subObj = SrEroSubObject.read(cb); |
| 273 | break; |
| 274 | default: |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 275 | throw new PcepParseException("Unexpected sub object. Type: " + (int) type); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 276 | } |
| 277 | // Check for the padding |
| 278 | int pad = hLength % 4; |
| 279 | if (0 < pad) { |
| 280 | pad = 4 - pad; |
| 281 | if (pad <= cb.readableBytes()) { |
| 282 | cb.skipBytes(pad); |
| 283 | } |
| 284 | } |
| 285 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 286 | subObjectList.add(subObj); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 287 | } |
| 288 | if (0 < cb.readableBytes()) { |
| 289 | throw new PcepParseException("Subobject parsing error. Extra bytes received."); |
| 290 | } |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 291 | return subObjectList; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | @Override |
| 295 | public int write(ChannelBuffer cb) throws PcepParseException { |
| 296 | |
| 297 | //write Object header |
| 298 | int objStartIndex = cb.writerIndex(); |
| 299 | |
| 300 | int objLenIndex = eroObjHeader.write(cb); |
| 301 | |
| 302 | if (objLenIndex <= 0) { |
| 303 | throw new PcepParseException("Failed to write ERO object header. Index " + objLenIndex); |
| 304 | } |
| 305 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 306 | ListIterator<PcepValueType> listIterator = subObjectList.listIterator(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 307 | |
| 308 | while (listIterator.hasNext()) { |
| 309 | listIterator.next().write(cb); |
| 310 | } |
| 311 | |
| 312 | //Update object length now |
| 313 | int length = cb.writerIndex() - objStartIndex; |
| 314 | cb.setShort(objLenIndex, (short) length); |
| 315 | //will be helpful during print(). |
| 316 | eroObjHeader.setObjLen((short) length); |
| 317 | |
| 318 | //As per RFC the length of object should be multiples of 4 |
| 319 | int pad = length % 4; |
| 320 | |
| 321 | if (pad != 0) { |
| 322 | pad = 4 - pad; |
| 323 | for (int i = 0; i < pad; i++) { |
| 324 | cb.writeByte((byte) 0); |
| 325 | } |
| 326 | length = length + pad; |
| 327 | } |
| 328 | |
| 329 | objLenIndex = cb.writerIndex(); |
| 330 | return objLenIndex; |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Builder class for PCEP ERO object. |
| 335 | */ |
| 336 | public static class Builder implements PcepEroObject.Builder { |
| 337 | |
| 338 | private boolean bIsHeaderSet = false; |
| 339 | |
| 340 | private boolean bIsPFlagSet = false; |
| 341 | private boolean bPFlag; |
| 342 | |
| 343 | private boolean bIsIFlagSet = false; |
| 344 | private boolean bIFlag; |
| 345 | |
| 346 | private PcepObjectHeader eroObjHeader; |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 347 | LinkedList<PcepValueType> subObjectList = new LinkedList<>(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 348 | |
| 349 | @Override |
| 350 | public PcepEroObject build() { |
| 351 | |
| 352 | PcepObjectHeader eroObjHeader = this.bIsHeaderSet ? this.eroObjHeader : DEFAULT_ERO_OBJECT_HEADER; |
| 353 | |
| 354 | if (bIsPFlagSet) { |
| 355 | eroObjHeader.setPFlag(bPFlag); |
| 356 | } |
| 357 | |
| 358 | if (bIsIFlagSet) { |
| 359 | eroObjHeader.setIFlag(bIFlag); |
| 360 | } |
| 361 | |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 362 | return new PcepEroObjectVer1(eroObjHeader, this.subObjectList); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | @Override |
| 366 | public PcepObjectHeader getEroObjHeader() { |
| 367 | return this.eroObjHeader; |
| 368 | } |
| 369 | |
| 370 | @Override |
| 371 | public Builder setEroObjHeader(PcepObjectHeader obj) { |
| 372 | this.eroObjHeader = obj; |
| 373 | this.bIsHeaderSet = true; |
| 374 | return this; |
| 375 | } |
| 376 | |
| 377 | @Override |
| 378 | public LinkedList<PcepValueType> getSubObjects() { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 379 | return this.subObjectList; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | @Override |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 383 | public Builder setSubObjects(LinkedList<PcepValueType> subObjectList) { |
| 384 | this.subObjectList = subObjectList; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 385 | return this; |
| 386 | } |
| 387 | |
| 388 | @Override |
| 389 | public Builder setPFlag(boolean value) { |
| 390 | this.bPFlag = value; |
| 391 | this.bIsPFlagSet = true; |
| 392 | return this; |
| 393 | } |
| 394 | |
| 395 | @Override |
| 396 | public Builder setIFlag(boolean value) { |
| 397 | this.bIFlag = value; |
| 398 | this.bIsIFlagSet = true; |
| 399 | return this; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | @Override |
Priyanka B | 413fbe8 | 2016-05-26 11:44:45 +0530 | [diff] [blame] | 404 | public int hashCode() { |
| 405 | return Objects.hash(eroObjHeader, subObjectList); |
| 406 | } |
| 407 | |
| 408 | @Override |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 409 | public String toString() { |
Mahesh Poojary S | f1bbd36 | 2016-02-25 18:19:59 +0530 | [diff] [blame] | 410 | return MoreObjects.toStringHelper(getClass()).omitNullValues() |
| 411 | .add("EroObjHeader", eroObjHeader) |
| 412 | .add("SubObjects", subObjectList) |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 413 | .toString(); |
| 414 | } |
Priyanka B | 413fbe8 | 2016-05-26 11:44:45 +0530 | [diff] [blame] | 415 | |
| 416 | @Override |
| 417 | public boolean equals(Object obj) { |
| 418 | if (this == obj) { |
| 419 | return true; |
| 420 | } |
| 421 | |
| 422 | if (obj instanceof PcepEroObjectVer1) { |
| 423 | int countObjSubTlv = 0; |
| 424 | int countOtherSubTlv = 0; |
| 425 | boolean isCommonSubTlv = true; |
| 426 | PcepEroObjectVer1 other = (PcepEroObjectVer1) obj; |
| 427 | Iterator<PcepValueType> objListIterator = other.subObjectList.iterator(); |
| 428 | countOtherSubTlv = other.subObjectList.size(); |
| 429 | countObjSubTlv = subObjectList.size(); |
| 430 | if (countObjSubTlv != countOtherSubTlv) { |
| 431 | return false; |
| 432 | } else { |
| 433 | while (objListIterator.hasNext() && isCommonSubTlv) { |
| 434 | PcepValueType subTlv = objListIterator.next(); |
| 435 | if (subObjectList.contains(subTlv)) { |
| 436 | isCommonSubTlv = Objects.equals(subObjectList.get(subObjectList.indexOf(subTlv)), |
| 437 | other.subObjectList.get(other.subObjectList.indexOf(subTlv))); |
| 438 | } else { |
| 439 | isCommonSubTlv = false; |
| 440 | } |
| 441 | } |
| 442 | return isCommonSubTlv && Objects.equals(eroObjHeader, other.eroObjHeader); |
| 443 | } |
| 444 | } |
| 445 | return false; |
| 446 | } |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 447 | } |