Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [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 | */ |
Jian Li | f31019a | 2017-02-05 07:57:46 +0900 | [diff] [blame] | 16 | package org.onosproject.lisp.msg.types.lcaf; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 17 | |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 18 | import io.netty.buffer.ByteBuf; |
| 19 | import org.onosproject.lisp.msg.exceptions.LispParseError; |
| 20 | import org.onosproject.lisp.msg.exceptions.LispReaderException; |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 21 | import org.onosproject.lisp.msg.exceptions.LispWriterException; |
Jian Li | f31019a | 2017-02-05 07:57:46 +0900 | [diff] [blame] | 22 | import org.onosproject.lisp.msg.types.LispAddressReader; |
| 23 | import org.onosproject.lisp.msg.types.LispAddressWriter; |
| 24 | import org.onosproject.lisp.msg.types.LispAfiAddress; |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 25 | |
| 26 | import java.nio.ByteBuffer; |
Jian Li | 76ea057 | 2016-08-29 12:41:16 +0900 | [diff] [blame] | 27 | import java.util.Arrays; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 28 | import java.util.Objects; |
| 29 | |
| 30 | import static com.google.common.base.MoreObjects.toStringHelper; |
Jian Li | d4e6370 | 2016-08-30 18:29:20 +0900 | [diff] [blame] | 31 | import static com.google.common.base.Preconditions.checkNotNull; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 32 | |
| 33 | /** |
| 34 | * Application data type LCAF address class. |
Jian Li | 8fc2d2f | 2016-08-08 14:43:53 +0900 | [diff] [blame] | 35 | * <p> |
Jian Li | d6483cc | 2016-12-12 02:26:13 +0900 | [diff] [blame] | 36 | * Application data type is defined in draft-ietf-lisp-lcaf-22 |
| 37 | * https://tools.ietf.org/html/draft-ietf-lisp-lcaf-22#page-27 |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 38 | * |
Jian Li | 8fc2d2f | 2016-08-08 14:43:53 +0900 | [diff] [blame] | 39 | * <pre> |
| 40 | * {@literal |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 41 | * 0 1 2 3 |
| 42 | * 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 |
| 43 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 44 | * | AFI = 16387 | Rsvd1 | Flags | |
| 45 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
Jian Li | 89c9ca9 | 2016-11-11 04:09:02 +0900 | [diff] [blame] | 46 | * | Type = 4 | Rsvd2 | Length | |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 47 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 48 | * | IP TOS, IPv6 TC, or Flow Label | Protocol | |
| 49 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 50 | * | Local Port (lower-range) | Local Port (upper-range) | |
| 51 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 52 | * | Remote Port (lower-range) | Remote Port (upper-range) | |
| 53 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 54 | * | AFI = x | Address ... | |
| 55 | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
Jian Li | 8fc2d2f | 2016-08-08 14:43:53 +0900 | [diff] [blame] | 56 | * }</pre> |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 57 | */ |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 58 | public final class LispAppDataLcafAddress extends LispLcafAddress { |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 59 | |
| 60 | private final byte protocol; |
| 61 | private final int ipTos; |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 62 | private final short localPortLow; |
| 63 | private final short localPortHigh; |
| 64 | private final short remotePortLow; |
| 65 | private final short remotePortHigh; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 66 | private LispAfiAddress address; |
| 67 | |
| 68 | /** |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 69 | * Initializes application data type LCAF address. |
| 70 | * |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 71 | * @param protocol protocol number |
| 72 | * @param ipTos IP type of service |
| 73 | * @param localPortLow low-ranged local port number |
| 74 | * @param localPortHigh high-ranged local port number |
| 75 | * @param remotePortLow low-ranged remote port number |
| 76 | * @param remotePortHigh high-ranged remote port number |
| 77 | * @param address address |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 78 | */ |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 79 | private LispAppDataLcafAddress(byte protocol, int ipTos, short localPortLow, |
| 80 | short localPortHigh, short remotePortLow, |
| 81 | short remotePortHigh, LispAfiAddress address) { |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 82 | super(LispCanonicalAddressFormatEnum.APPLICATION_DATA); |
| 83 | this.protocol = protocol; |
| 84 | this.ipTos = ipTos; |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 85 | this.localPortLow = localPortLow; |
| 86 | this.localPortHigh = localPortHigh; |
| 87 | this.remotePortLow = remotePortLow; |
| 88 | this.remotePortHigh = remotePortHigh; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 89 | this.address = address; |
| 90 | } |
| 91 | |
| 92 | /** |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 93 | * Initializes application data type LCAF address. |
| 94 | * |
| 95 | * @param reserved1 reserved1 |
| 96 | * @param reserved2 reserved2 |
| 97 | * @param flag flag |
| 98 | * @param length length |
| 99 | * @param protocol protocol number |
| 100 | * @param ipTos IP type of service |
| 101 | * @param localPortLow low-ranged local port number |
| 102 | * @param localPortHigh high-ranged local port number |
| 103 | * @param remotePortLow low-ranged remote port number |
| 104 | * @param remotePortHigh high-ranged remote port number |
| 105 | * @param address address |
| 106 | */ |
| 107 | private LispAppDataLcafAddress(byte reserved1, byte reserved2, byte flag, short length, |
| 108 | byte protocol, int ipTos, short localPortLow, |
| 109 | short localPortHigh, short remotePortLow, |
| 110 | short remotePortHigh, LispAfiAddress address) { |
| 111 | super(LispCanonicalAddressFormatEnum.APPLICATION_DATA, reserved1, reserved2, flag, length); |
| 112 | this.protocol = protocol; |
| 113 | this.ipTos = ipTos; |
| 114 | this.localPortLow = localPortLow; |
| 115 | this.localPortHigh = localPortHigh; |
| 116 | this.remotePortLow = remotePortLow; |
| 117 | this.remotePortHigh = remotePortHigh; |
| 118 | this.address = address; |
| 119 | } |
| 120 | |
| 121 | /** |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 122 | * Obtains protocol number. |
| 123 | * |
| 124 | * @return protocol number |
| 125 | */ |
| 126 | public byte getProtocol() { |
| 127 | return protocol; |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Obtains IP type of service. |
| 132 | * |
| 133 | * @return IP type of service |
| 134 | */ |
| 135 | public int getIpTos() { |
| 136 | return ipTos; |
| 137 | } |
| 138 | |
| 139 | /** |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 140 | * Obtains low-ranged local port number. |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 141 | * |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 142 | * @return low-ranged local port number |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 143 | */ |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 144 | public short getLocalPortLow() { |
| 145 | return localPortLow; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | /** |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 149 | * Obtains high-ranged local port number. |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 150 | * |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 151 | * @return high-ranged local port number |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 152 | */ |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 153 | public short getLocalPortHigh() { |
| 154 | return localPortHigh; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Obtains low-ranged remote port number. |
| 159 | * |
| 160 | * @return low-ranged remote port number |
| 161 | */ |
| 162 | public short getRemotePortLow() { |
| 163 | return remotePortLow; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Obtains high-ranged remote port number. |
| 168 | * |
| 169 | * @return high-ranged remote port number |
| 170 | */ |
| 171 | public short getRemotePortHigh() { |
| 172 | return remotePortHigh; |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Obtains address. |
| 177 | * |
| 178 | * @return address |
| 179 | */ |
| 180 | public LispAfiAddress getAddress() { |
| 181 | return address; |
| 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public int hashCode() { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 186 | return Objects.hash(address, protocol, ipTos, localPortLow, |
| 187 | localPortHigh, remotePortLow, remotePortHigh); |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | @Override |
| 191 | public boolean equals(Object obj) { |
| 192 | if (this == obj) { |
| 193 | return true; |
| 194 | } |
| 195 | |
| 196 | if (obj instanceof LispAppDataLcafAddress) { |
| 197 | final LispAppDataLcafAddress other = (LispAppDataLcafAddress) obj; |
| 198 | return Objects.equals(this.address, other.address) && |
| 199 | Objects.equals(this.protocol, other.protocol) && |
| 200 | Objects.equals(this.ipTos, other.ipTos) && |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 201 | Objects.equals(this.localPortLow, other.localPortLow) && |
| 202 | Objects.equals(this.localPortHigh, other.localPortHigh) && |
| 203 | Objects.equals(this.remotePortLow, other.remotePortLow) && |
| 204 | Objects.equals(this.remotePortHigh, other.remotePortHigh); |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 205 | } |
| 206 | return false; |
| 207 | } |
| 208 | |
| 209 | @Override |
| 210 | public String toString() { |
| 211 | return toStringHelper(this) |
| 212 | .add("address", address) |
| 213 | .add("protocol", protocol) |
| 214 | .add("ip type of service", ipTos) |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 215 | .add("low-ranged local port number", localPortLow) |
| 216 | .add("high-ranged local port number", localPortHigh) |
| 217 | .add("low-ranged remote port number", remotePortLow) |
| 218 | .add("high-ranged remote port number", remotePortHigh) |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 219 | .toString(); |
| 220 | } |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 221 | |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 222 | public static final class AppDataAddressBuilder |
| 223 | extends LcafAddressBuilder<AppDataAddressBuilder> { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 224 | private byte protocol; |
| 225 | private int ipTos; |
| 226 | private short localPortLow; |
| 227 | private short localPortHigh; |
| 228 | private short remotePortLow; |
| 229 | private short remotePortHigh; |
| 230 | private LispAfiAddress address; |
| 231 | |
| 232 | /** |
| 233 | * Sets protocol number. |
| 234 | * |
| 235 | * @param protocol protocol number |
| 236 | * @return AppDataAddressBuilder object |
| 237 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 238 | public AppDataAddressBuilder withProtocol(byte protocol) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 239 | this.protocol = protocol; |
| 240 | return this; |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * Sets IP type of service. |
| 245 | * |
| 246 | * @param ipTos IP type of service |
| 247 | * @return AppDataAddressBuilder object |
| 248 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 249 | public AppDataAddressBuilder withIpTos(int ipTos) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 250 | this.ipTos = ipTos; |
| 251 | return this; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Sets low-ranged local port number. |
| 256 | * |
| 257 | * @param localPortLow low-ranged local port number |
| 258 | * @return AppDataAddressBuilder object |
| 259 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 260 | public AppDataAddressBuilder withLocalPortLow(short localPortLow) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 261 | this.localPortLow = localPortLow; |
| 262 | return this; |
| 263 | } |
| 264 | |
| 265 | /** |
| 266 | * Sets high-ranged local port number. |
| 267 | * |
| 268 | * @param localPortHigh high-ranged local port number |
| 269 | * @return AppDataAddressBuilder object |
| 270 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 271 | public AppDataAddressBuilder withLocalPortHigh(short localPortHigh) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 272 | this.localPortHigh = localPortHigh; |
| 273 | return this; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Sets low-ranged remote port number. |
| 278 | * |
| 279 | * @param remotePortLow low-ranged remote port number |
| 280 | * @return AppDataAddressBuilder object |
| 281 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 282 | public AppDataAddressBuilder withRemotePortLow(short remotePortLow) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 283 | this.remotePortLow = remotePortLow; |
| 284 | return this; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Sets high-ranged remote port number. |
| 289 | * |
| 290 | * @param remotePortHigh high-ranged remote port number |
| 291 | * @return AppDataAddressBuilder object |
| 292 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 293 | public AppDataAddressBuilder withRemotePortHigh(short remotePortHigh) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 294 | this.remotePortHigh = remotePortHigh; |
| 295 | return this; |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Sets AFI address. |
| 300 | * |
| 301 | * @param address AFI address |
| 302 | * @return AppDataAddressBuilder object |
| 303 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 304 | public AppDataAddressBuilder withAddress(LispAfiAddress address) { |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 305 | this.address = address; |
| 306 | return this; |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Builds LispAppDataLcafAddress instance. |
| 311 | * |
| 312 | * @return LispAddDataLcafAddress instance |
| 313 | */ |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 314 | public LispAppDataLcafAddress build() { |
Jian Li | d4e6370 | 2016-08-30 18:29:20 +0900 | [diff] [blame] | 315 | |
| 316 | checkNotNull(address, "Must specify an address"); |
| 317 | |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 318 | return new LispAppDataLcafAddress(reserved1, reserved2, flag, length, |
| 319 | protocol, ipTos, localPortLow, localPortHigh, remotePortLow, |
| 320 | remotePortHigh, address); |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 321 | } |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Application data LCAF address reader class. |
| 326 | */ |
| 327 | public static class AppDataLcafAddressReader |
| 328 | implements LispAddressReader<LispAppDataLcafAddress> { |
| 329 | |
| 330 | @Override |
| 331 | public LispAppDataLcafAddress readFrom(ByteBuf byteBuf) throws LispParseError, LispReaderException { |
| 332 | |
Jian Li | 3a99e71 | 2016-12-16 21:23:16 +0900 | [diff] [blame] | 333 | LispLcafAddress.deserializeCommon(byteBuf); |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 334 | |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 335 | byte[] ipTosByte = new byte[3]; |
| 336 | byteBuf.readBytes(ipTosByte); |
| 337 | |
| 338 | byte protocol = (byte) byteBuf.readUnsignedByte(); |
| 339 | int ipTos = getPartialInt(ipTosByte); |
| 340 | short localPortLow = (short) byteBuf.readUnsignedShort(); |
| 341 | short localPortHigh = (short) byteBuf.readUnsignedShort(); |
| 342 | short remotePortLow = (short) byteBuf.readUnsignedShort(); |
| 343 | short remotePortHigh = (short) byteBuf.readUnsignedShort(); |
| 344 | |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 345 | LispAfiAddress address = new LispAfiAddress.AfiAddressReader().readFrom(byteBuf); |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 346 | |
| 347 | return new AppDataAddressBuilder() |
Jian Li | a7b394d | 2016-08-21 23:11:46 +0900 | [diff] [blame] | 348 | .withProtocol(protocol) |
| 349 | .withIpTos(ipTos) |
| 350 | .withLocalPortLow(localPortLow) |
| 351 | .withLocalPortHigh(localPortHigh) |
| 352 | .withRemotePortLow(remotePortLow) |
| 353 | .withRemotePortHigh(remotePortHigh) |
| 354 | .withAddress(address) |
| 355 | .build(); |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | /** |
Jian Li | 76ea057 | 2016-08-29 12:41:16 +0900 | [diff] [blame] | 359 | * An utility function that obtains the partial int value from byte arrays. |
Jian Li | 115d860 | 2016-08-15 20:21:53 +0900 | [diff] [blame] | 360 | * |
| 361 | * @param bytes an array of bytes |
| 362 | * @return converted integer |
| 363 | */ |
| 364 | public static int getPartialInt(byte[] bytes) { |
| 365 | ByteBuffer buffer = ByteBuffer.allocate(4); |
| 366 | buffer.position(4 - bytes.length); |
| 367 | buffer.put(bytes); |
| 368 | buffer.position(0); |
| 369 | return buffer.getInt(); |
| 370 | } |
| 371 | } |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 372 | |
| 373 | /** |
| 374 | * Application data LCAF address writer class. |
| 375 | */ |
| 376 | public static class AppDataLcafAddressWriter |
| 377 | implements LispAddressWriter<LispAppDataLcafAddress> { |
| 378 | |
| 379 | @Override |
| 380 | public void writeTo(ByteBuf byteBuf, LispAppDataLcafAddress address) |
| 381 | throws LispWriterException { |
| 382 | |
Jian Li | ef0f723 | 2016-11-15 19:55:46 +0900 | [diff] [blame] | 383 | int lcafIndex = byteBuf.writerIndex(); |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 384 | LispLcafAddress.serializeCommon(byteBuf, address); |
| 385 | |
Jian Li | 76ea057 | 2016-08-29 12:41:16 +0900 | [diff] [blame] | 386 | byte[] tos = getPartialByteArray(address.getIpTos()); |
| 387 | byteBuf.writeBytes(tos); |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 388 | byteBuf.writeByte(address.getProtocol()); |
| 389 | byteBuf.writeShort(address.getLocalPortLow()); |
| 390 | byteBuf.writeShort(address.getLocalPortHigh()); |
| 391 | byteBuf.writeShort(address.getRemotePortLow()); |
| 392 | byteBuf.writeShort(address.getRemotePortHigh()); |
| 393 | |
Jian Li | f31019a | 2017-02-05 07:57:46 +0900 | [diff] [blame] | 394 | LispAfiAddress.AfiAddressWriter writer = new LispAfiAddress.AfiAddressWriter(); |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 395 | writer.writeTo(byteBuf, address.getAddress()); |
Jian Li | ef0f723 | 2016-11-15 19:55:46 +0900 | [diff] [blame] | 396 | |
| 397 | LispLcafAddress.updateLength(lcafIndex, byteBuf); |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 398 | } |
Jian Li | 76ea057 | 2016-08-29 12:41:16 +0900 | [diff] [blame] | 399 | |
| 400 | /** |
| 401 | * An utility function that obtains byte array from partial int value. |
| 402 | * |
| 403 | * @param value integer value |
| 404 | * @return an array of bytes |
| 405 | */ |
| 406 | public static byte[] getPartialByteArray(int value) { |
| 407 | ByteBuffer buffer = ByteBuffer.allocate(4); |
| 408 | byte[] array = buffer.putInt(value).array(); |
| 409 | return Arrays.copyOfRange(array, 1, 4); |
| 410 | } |
GUNi | ba87170 | 2016-08-22 21:06:02 +0900 | [diff] [blame] | 411 | } |
Jian Li | c7e20a5 | 2016-07-18 19:03:49 +0900 | [diff] [blame] | 412 | } |