sunishvk | a1dfc3e | 2016-04-16 12:24:47 +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.isis.io.isispacket.tlv; |
| 17 | |
| 18 | import com.google.common.base.MoreObjects; |
| 19 | import com.google.common.primitives.Bytes; |
| 20 | import org.jboss.netty.buffer.ChannelBuffer; |
| 21 | import org.onlab.packet.Ip4Address; |
| 22 | import org.onosproject.isis.io.util.IsisUtil; |
| 23 | |
| 24 | import java.util.ArrayList; |
| 25 | import java.util.List; |
| 26 | |
| 27 | /** |
| 28 | * Representation of metric of internal reachability. |
| 29 | */ |
| 30 | public class MetricOfInternalReachability { |
| 31 | private Ip4Address ipAddress; |
| 32 | private Ip4Address subnetAddres; |
| 33 | private byte defaultMetric; |
| 34 | private byte delayMetric; |
| 35 | private byte expenseMetric; |
| 36 | private byte errorMetric; |
| 37 | private boolean delayMetricSupported; |
| 38 | private boolean expenseMetricSupported; |
| 39 | private boolean errorMetricSupported; |
| 40 | private boolean defaultIsInternal; |
| 41 | private boolean defaultDistributionDown; |
| 42 | private boolean delayIsInternal; |
| 43 | private boolean expenseIsInternal; |
| 44 | private boolean errorIsInternal; |
| 45 | |
| 46 | /** |
| 47 | * Returns the IP address of metric of internal reachability. |
| 48 | * |
| 49 | * @return ipAddress IP address of metric of internal reachability |
| 50 | */ |
| 51 | public Ip4Address getIpAddress() { |
| 52 | return ipAddress; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Sets the IP address for metric of internal reachability. |
| 57 | * |
| 58 | * @param ipAddress ip address |
| 59 | */ |
| 60 | public void setIpAddress(Ip4Address ipAddress) { |
| 61 | this.ipAddress = ipAddress; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Returns the subnet address of metric of internal reachability. |
| 66 | * |
| 67 | * @return subnetAddres subnet address of metric of internal reachability |
| 68 | */ |
| 69 | public Ip4Address getSubnetAddres() { |
| 70 | return subnetAddres; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Sets the subnet address for metric of internal reachability. |
| 75 | * |
| 76 | * @param subnetAddres subnet address |
| 77 | */ |
| 78 | public void setSubnetAddres(Ip4Address subnetAddres) { |
| 79 | this.subnetAddres = subnetAddres; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Returns error metric is internal or not. |
| 84 | * |
| 85 | * @return true if internal else false |
| 86 | */ |
| 87 | public boolean isErrorIsInternal() { |
| 88 | return errorIsInternal; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Sets error metric is internal or not. |
| 93 | * |
| 94 | * @param errorIsInternal true if internal else false |
| 95 | */ |
| 96 | public void setErrorIsInternal(boolean errorIsInternal) { |
| 97 | this.errorIsInternal = errorIsInternal; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Returns expense metric is internal or not. |
| 102 | * |
| 103 | * @return true if internal else false |
| 104 | */ |
| 105 | public boolean isExpenseIsInternal() { |
| 106 | return expenseIsInternal; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Sets expense metric is internal or not. |
| 111 | * |
| 112 | * @param expenseIsInternal true if internal else false |
| 113 | */ |
| 114 | public void setExpenseIsInternal(boolean expenseIsInternal) { |
| 115 | this.expenseIsInternal = expenseIsInternal; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Returns delays metric is internal or not. |
| 120 | * |
| 121 | * @return true if internal else false |
| 122 | */ |
| 123 | public boolean isDelayIsInternal() { |
| 124 | return delayIsInternal; |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Sets delay metric is internal or not. |
| 129 | * |
| 130 | * @param delayIsInternal true if internal else false |
| 131 | */ |
| 132 | public void setDelayIsInternal(boolean delayIsInternal) { |
| 133 | this.delayIsInternal = delayIsInternal; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Returns is default distribution is up or down. |
| 138 | * |
| 139 | * @return true if down else false |
| 140 | */ |
| 141 | public boolean isDefaultDistributionDown() { |
| 142 | return defaultDistributionDown; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Sets default distribution is up or down. |
| 147 | * |
| 148 | * @param defaultDistributionDown true if down else false |
| 149 | */ |
| 150 | public void setDefaultDistributionDown(boolean defaultDistributionDown) { |
| 151 | this.defaultDistributionDown = defaultDistributionDown; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Returns is default metric is internal or not. |
| 156 | * |
| 157 | * @return true if internal else false |
| 158 | */ |
| 159 | public boolean isDefaultIsInternal() { |
| 160 | return defaultIsInternal; |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Sets default metric is internal or not. |
| 165 | * |
| 166 | * @param defaultIsInternal true is internal else false |
| 167 | */ |
| 168 | public void setDefaultIsInternal(boolean defaultIsInternal) { |
| 169 | this.defaultIsInternal = defaultIsInternal; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Returns error metric is supported or not. |
| 174 | * |
| 175 | * @return true if supported else false |
| 176 | */ |
| 177 | public boolean isErrorMetricSupported() { |
| 178 | return errorMetricSupported; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Sets error metric is supported or not. |
| 183 | * |
| 184 | * @param errorMetricSupported true if supported else false |
| 185 | */ |
| 186 | public void setErrorMetricSupported(boolean errorMetricSupported) { |
| 187 | this.errorMetricSupported = errorMetricSupported; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Returns expense metric is supported or not. |
| 192 | * |
| 193 | * @return true if supported else false |
| 194 | */ |
| 195 | public boolean isExpenseMetricSupported() { |
| 196 | return expenseMetricSupported; |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Sets expense metric is supported or not. |
| 201 | * |
| 202 | * @param expenseMetricSupported true if supported else false |
| 203 | */ |
| 204 | public void setExpenseMetricSupported(boolean expenseMetricSupported) { |
| 205 | this.expenseMetricSupported = expenseMetricSupported; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Returns delay metric is supported or not. |
| 210 | * |
| 211 | * @return true if supported else false |
| 212 | */ |
| 213 | public boolean isDelayMetricSupported() { |
| 214 | return delayMetricSupported; |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Sets delay metric is supported or not. |
| 219 | * |
| 220 | * @param delayMetricSupported true if supported else false |
| 221 | */ |
| 222 | public void setDelayMetricSupported(boolean delayMetricSupported) { |
| 223 | this.delayMetricSupported = delayMetricSupported; |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Returns error metric of metric of internal reachability. |
| 228 | * |
Dhruv Dhody | e64b93e | 2016-04-20 19:26:55 +0530 | [diff] [blame^] | 229 | * @return errorMetric error metric |
sunishvk | a1dfc3e | 2016-04-16 12:24:47 +0530 | [diff] [blame] | 230 | */ |
| 231 | public byte errorMetric() { |
| 232 | return errorMetric; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Sets error metric for metric of internal reachability. |
| 237 | * |
| 238 | * @param errorMetric error metric |
| 239 | */ |
| 240 | public void setErrorMetric(byte errorMetric) { |
| 241 | this.errorMetric = errorMetric; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Returns expense metric of metric of internal reachability. |
| 246 | * |
| 247 | * @return expense metric |
| 248 | */ |
| 249 | public byte expenseMetric() { |
| 250 | return expenseMetric; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Sets expense metric for metric of internal reachability. |
| 255 | * |
| 256 | * @param expenseMetric expense metric |
| 257 | */ |
| 258 | public void setExpenseMetric(byte expenseMetric) { |
| 259 | this.expenseMetric = expenseMetric; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Returns delay metric of metric of internal reachability. |
| 264 | * |
| 265 | * @return delay metric |
| 266 | */ |
| 267 | public byte delayMetric() { |
| 268 | return delayMetric; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Sets delay metric for metric of internal reachability. |
| 273 | * |
| 274 | * @param delayMetric delay metric |
| 275 | */ |
| 276 | public void setDelayMetric(byte delayMetric) { |
| 277 | this.delayMetric = delayMetric; |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * Returns default metric of metric of internal reachability. |
| 282 | * |
| 283 | * @return default metric |
| 284 | */ |
| 285 | public byte defaultMetric() { |
| 286 | return defaultMetric; |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Sets default metric for metric of internal reachability. |
| 291 | * |
| 292 | * @param defaultMetric default metric |
| 293 | */ |
| 294 | public void setDefaultMetric(byte defaultMetric) { |
| 295 | this.defaultMetric = defaultMetric; |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Sets the metric of internal reachability |
| 300 | * values for metric of internal reachability from byte buffer. |
| 301 | * |
| 302 | * @param channelBuffer channel Buffer instance |
| 303 | */ |
| 304 | public void readFrom(ChannelBuffer channelBuffer) { |
| 305 | byte metric = channelBuffer.readByte(); |
| 306 | this.setDefaultMetric(metric); |
| 307 | String metricInBinary = Integer.toBinaryString(Byte.toUnsignedInt(metric)); |
| 308 | metricInBinary = IsisUtil.toEightBitBinary(metricInBinary); |
| 309 | if (metricInBinary.charAt(1) == 0) { |
| 310 | this.setDefaultIsInternal(true); |
| 311 | } else { |
| 312 | this.setDefaultIsInternal(false); |
| 313 | } |
| 314 | if (metricInBinary.charAt(0) == 0) { |
| 315 | this.setDefaultDistributionDown(true); |
| 316 | } else { |
| 317 | this.setDefaultDistributionDown(false); |
| 318 | } |
| 319 | byte delayMetric = channelBuffer.readByte(); |
| 320 | metricInBinary = Integer.toBinaryString(Byte.toUnsignedInt(delayMetric)); |
| 321 | metricInBinary = IsisUtil.toEightBitBinary(metricInBinary); |
| 322 | this.setDelayMetric(Byte.parseByte(metricInBinary.substring(5, metricInBinary.length()), 2)); |
| 323 | if (metricInBinary.charAt(1) == 0) { |
| 324 | this.setDelayIsInternal(true); |
| 325 | } else { |
| 326 | this.setDelayIsInternal(false); |
| 327 | } |
| 328 | if (metricInBinary.charAt(0) == 0) { |
| 329 | this.setDelayMetricSupported(true); |
| 330 | } else { |
| 331 | this.setDelayMetricSupported(false); |
| 332 | } |
| 333 | byte expenseMetric = channelBuffer.readByte(); |
| 334 | metricInBinary = Integer.toBinaryString(Byte.toUnsignedInt(expenseMetric)); |
| 335 | metricInBinary = IsisUtil.toEightBitBinary(metricInBinary); |
| 336 | this.setExpenseMetric(Byte.parseByte(metricInBinary.substring(5, metricInBinary.length()), 2)); |
| 337 | if (metricInBinary.charAt(1) == 0) { |
| 338 | this.setExpenseIsInternal(true); |
| 339 | } else { |
| 340 | this.setExpenseIsInternal(false); |
| 341 | } |
| 342 | if (metricInBinary.charAt(0) == 0) { |
| 343 | this.setExpenseMetricSupported(true); |
| 344 | } else { |
| 345 | this.setExpenseMetricSupported(false); |
| 346 | } |
| 347 | byte errorMetric = channelBuffer.readByte(); |
| 348 | metricInBinary = Integer.toBinaryString(Byte.toUnsignedInt(errorMetric)); |
| 349 | metricInBinary = IsisUtil.toEightBitBinary(metricInBinary); |
| 350 | this.setErrorMetric(Byte.parseByte(metricInBinary.substring(5, metricInBinary.length()), 2)); |
| 351 | if (metricInBinary.charAt(1) == 0) { |
| 352 | this.setErrorIsInternal(true); |
| 353 | } else { |
| 354 | this.setErrorIsInternal(false); |
| 355 | } |
| 356 | if (metricInBinary.charAt(0) == 0) { |
| 357 | this.setErrorMetricSupported(true); |
| 358 | } else { |
| 359 | this.setErrorMetricSupported(false); |
| 360 | } |
| 361 | List<Byte> byteList = new ArrayList<>(); |
| 362 | while (channelBuffer.readableBytes() > 0) { |
| 363 | byteList.add(channelBuffer.readByte()); |
| 364 | } |
| 365 | byte[] tempByteArray = new byte[IsisUtil.FOUR_BYTES]; |
| 366 | channelBuffer.readBytes(tempByteArray, 0, IsisUtil.FOUR_BYTES); |
| 367 | this.setIpAddress(Ip4Address.valueOf(tempByteArray)); |
| 368 | |
| 369 | tempByteArray = new byte[IsisUtil.FOUR_BYTES]; |
| 370 | channelBuffer.readBytes(tempByteArray, 0, IsisUtil.FOUR_BYTES); |
| 371 | this.setSubnetAddres(Ip4Address.valueOf(tempByteArray)); |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * Returns metric of internal reachability values as bytes of metric of internal reachability. |
| 376 | * |
| 377 | * @return byteArray metric of internal reachability values as bytes of metric of internal reachability |
| 378 | */ |
| 379 | public byte[] asBytes() { |
| 380 | List<Byte> bytes = new ArrayList<>(); |
| 381 | bytes.add(this.defaultMetric()); |
| 382 | int temp = this.delayMetric(); |
| 383 | String hsbBits = ""; |
| 384 | if (this.isDelayMetricSupported()) { |
| 385 | hsbBits = "0" + hsbBits; |
| 386 | } else { |
| 387 | hsbBits = "1" + hsbBits; |
| 388 | } |
| 389 | if (this.isDelayIsInternal()) { |
| 390 | hsbBits = hsbBits + "0"; |
| 391 | } else { |
| 392 | hsbBits = hsbBits + "1"; |
| 393 | } |
| 394 | hsbBits = hsbBits + "00"; |
| 395 | String binary = hsbBits + IsisUtil.toFourBitBinary(Integer.toBinaryString(temp)); |
| 396 | bytes.add((byte) Integer.parseInt(binary, 2)); |
| 397 | |
| 398 | temp = this.expenseMetric(); |
| 399 | hsbBits = ""; |
| 400 | if (this.isExpenseMetricSupported()) { |
| 401 | hsbBits = "0" + hsbBits; |
| 402 | } else { |
| 403 | hsbBits = "1" + hsbBits; |
| 404 | } |
| 405 | if (this.isExpenseIsInternal()) { |
| 406 | hsbBits = hsbBits + "0"; |
| 407 | } else { |
| 408 | hsbBits = hsbBits + "1"; |
| 409 | } |
| 410 | hsbBits = hsbBits + "00"; |
| 411 | binary = hsbBits + IsisUtil.toFourBitBinary(Integer.toBinaryString(temp)); |
| 412 | bytes.add((byte) Integer.parseInt(binary, 2)); |
| 413 | |
| 414 | temp = this.errorMetric(); |
| 415 | hsbBits = ""; |
| 416 | if (this.isErrorMetricSupported()) { |
| 417 | hsbBits = "0" + hsbBits; |
| 418 | } else { |
| 419 | hsbBits = "1" + hsbBits; |
| 420 | } |
| 421 | if (this.isExpenseIsInternal()) { |
| 422 | hsbBits = hsbBits + "0"; |
| 423 | } else { |
| 424 | hsbBits = hsbBits + "1"; |
| 425 | } |
| 426 | hsbBits = hsbBits + "00"; |
| 427 | binary = hsbBits + IsisUtil.toFourBitBinary(Integer.toBinaryString(temp)); |
| 428 | bytes.add((byte) Integer.parseInt(binary, 2)); |
| 429 | |
| 430 | bytes.addAll(Bytes.asList(this.getIpAddress().toOctets())); |
| 431 | bytes.addAll(Bytes.asList(this.getSubnetAddres().toOctets())); |
| 432 | return Bytes.toArray(bytes); |
| 433 | } |
| 434 | |
| 435 | @Override |
| 436 | public String toString() { |
| 437 | return MoreObjects.toStringHelper(getClass()) |
| 438 | .omitNullValues() |
| 439 | .add("ipAddress", ipAddress) |
| 440 | .add("subnetAddres", subnetAddres) |
| 441 | .add("defaultMetric", defaultMetric) |
| 442 | .add("delayMetric", delayMetric) |
| 443 | .add("expenseMetric", expenseMetric) |
| 444 | .add("errorMetric", errorMetric) |
| 445 | .add("delayMetricSupported", delayMetricSupported) |
| 446 | .add("expenseMetricSupported", expenseMetricSupported) |
| 447 | .add("errorMetricSupported", errorMetricSupported) |
| 448 | .add("defaultIsInternal", defaultIsInternal) |
| 449 | .add("defaultDistributionDown", defaultDistributionDown) |
| 450 | .add("delayIsInternal", delayIsInternal) |
| 451 | .add("expenseIsInternal", expenseIsInternal) |
| 452 | .add("errorIsInternal", errorIsInternal) |
| 453 | .toString(); |
| 454 | } |
| 455 | } |