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.onosproject.isis.io.util.IsisUtil; |
| 22 | |
| 23 | import java.util.ArrayList; |
| 24 | import java.util.List; |
| 25 | |
| 26 | /** |
| 27 | * Representation of metric of reachability. |
| 28 | */ |
| 29 | public class MetricsOfReachability { |
| 30 | private final String value1 = "10000000"; |
| 31 | private final String value2 = "00000000"; |
| 32 | private String neighborId; |
| 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 delayIsInternal; |
| 42 | private boolean expenseIsInternal; |
| 43 | private boolean errorIsInternal; |
| 44 | |
| 45 | /** |
| 46 | * Returns delay metric is internal or not. |
| 47 | * |
| 48 | * @return true if internal else false |
| 49 | */ |
| 50 | public boolean isDelayIsInternal() { |
| 51 | return delayIsInternal; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Sets delay metric is internal or not. |
| 56 | * |
| 57 | * @param delayIsInternal true if internal else false |
| 58 | */ |
| 59 | public void setDelayIsInternal(boolean delayIsInternal) { |
| 60 | this.delayIsInternal = delayIsInternal; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Returns expense metric is internal or not. |
| 65 | * |
| 66 | * @return true if internal else false |
| 67 | */ |
| 68 | public boolean isExpenseIsInternal() { |
| 69 | return expenseIsInternal; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Sets expense metric is internal or not. |
| 74 | * |
| 75 | * @param expenseIsInternal true if internal else false |
| 76 | */ |
| 77 | public void setExpenseIsInternal(boolean expenseIsInternal) { |
| 78 | this.expenseIsInternal = expenseIsInternal; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Returns error metric is internal or not. |
| 83 | * |
| 84 | * @return true if internal else false |
| 85 | */ |
| 86 | public boolean isErrorIsInternal() { |
| 87 | return errorIsInternal; |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Sets error metric is internal or not. |
| 92 | * |
| 93 | * @param errorIsInternal true if internal else false |
| 94 | */ |
| 95 | public void setErrorIsInternal(boolean errorIsInternal) { |
| 96 | this.errorIsInternal = errorIsInternal; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Returns default metric is internal or not. |
| 101 | * |
| 102 | * @return true if internal else false |
| 103 | */ |
| 104 | public boolean isDefaultIsInternal() { |
| 105 | return defaultIsInternal; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Sets default metric is internal or not. |
| 110 | * |
| 111 | * @param defaultIsInternal true if internal else false |
| 112 | */ |
| 113 | public void setDefaultIsInternal(boolean defaultIsInternal) { |
| 114 | this.defaultIsInternal = defaultIsInternal; |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Returns delay metric is supported or not. |
| 119 | * |
| 120 | * @return true if supported else false |
| 121 | */ |
| 122 | public boolean isDelayMetricSupported() { |
| 123 | return delayMetricSupported; |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Sets delay metric is supported or not. |
| 128 | * |
| 129 | * @param delayMetricSupported true if supported else false |
| 130 | */ |
| 131 | public void setDelayMetricSupported(boolean delayMetricSupported) { |
| 132 | this.delayMetricSupported = delayMetricSupported; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Returns expense metric is supported or not. |
| 137 | * |
| 138 | * @return true if supported else false |
| 139 | */ |
| 140 | public boolean isExpenseMetricSupported() { |
| 141 | return expenseMetricSupported; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Sets expense metric is supported or not. |
| 146 | * |
| 147 | * @param expenseMetricSupported true if supported else false |
| 148 | */ |
| 149 | public void setExpenseMetricSupported(boolean expenseMetricSupported) { |
| 150 | this.expenseMetricSupported = expenseMetricSupported; |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Returns error metric is supported or not. |
| 155 | * |
| 156 | * @return true if supported else false |
| 157 | */ |
| 158 | public boolean isErrorMetricSupported() { |
| 159 | return errorMetricSupported; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Sets error metric is supported or not. |
| 164 | * |
| 165 | * @param errorMetricSupported true if supported else false |
| 166 | */ |
| 167 | public void setErrorMetricSupported(boolean errorMetricSupported) { |
| 168 | this.errorMetricSupported = errorMetricSupported; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Returns neighbor ID of metric of reachability. |
| 173 | * |
| 174 | * @return neighbor ID |
| 175 | */ |
| 176 | public String neighborId() { |
| 177 | return neighborId; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Sets neighbor ID for metric of reachability. |
| 182 | * |
| 183 | * @param neighborId neighbor ID |
| 184 | */ |
| 185 | public void setNeighborId(String neighborId) { |
| 186 | this.neighborId = neighborId; |
| 187 | } |
| 188 | |
| 189 | |
| 190 | /** |
| 191 | * Returns default metric of metric of reachability. |
| 192 | * |
| 193 | * @return default metric |
| 194 | */ |
| 195 | public byte defaultMetric() { |
| 196 | return defaultMetric; |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * Sets default metric for of reachability. |
| 201 | * |
| 202 | * @param defaultMetric default metric |
| 203 | */ |
| 204 | public void setDefaultMetric(byte defaultMetric) { |
| 205 | this.defaultMetric = defaultMetric; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Returns delay metric of metric of reachability. |
| 210 | * |
| 211 | * @return delay metric |
| 212 | */ |
| 213 | public byte delayMetric() { |
| 214 | return delayMetric; |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Sets delay metric for metric of reachability. |
| 219 | * |
| 220 | * @param delayMetric delay metric. |
| 221 | */ |
| 222 | public void setDelayMetric(byte delayMetric) { |
| 223 | this.delayMetric = delayMetric; |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Returns Expense metric of metric of reachability. |
| 228 | * |
| 229 | * @return Expense metric |
| 230 | */ |
| 231 | public byte expenseMetric() { |
| 232 | return expenseMetric; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Sets Expense metric for metric of reachability. |
| 237 | * |
| 238 | * @param expenseMetric Expense metric. |
| 239 | */ |
| 240 | public void setExpenseMetric(byte expenseMetric) { |
| 241 | this.expenseMetric = expenseMetric; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Returns Error metric of metric of reachability. |
| 246 | * |
| 247 | * @return Error metric |
| 248 | */ |
| 249 | public byte errorMetric() { |
| 250 | return errorMetric; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Sets Error metric for metric of reachability. |
| 255 | * |
| 256 | * @param errorMetric Error metric. |
| 257 | */ |
| 258 | public void setErrorMetric(byte errorMetric) { |
| 259 | this.errorMetric = errorMetric; |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Sets the metric of reachability values for metric of reachability from byte buffer. |
| 264 | * |
| 265 | * @param channelBuffer channel Buffer instance |
| 266 | */ |
| 267 | public void readFrom(ChannelBuffer channelBuffer) { |
| 268 | byte metric = channelBuffer.readByte(); |
| 269 | String metricInBinary = Integer.toBinaryString(Byte.toUnsignedInt(metric)); |
| 270 | metricInBinary = IsisUtil.toEightBitBinary(metricInBinary); |
| 271 | this.setDefaultMetric(metric); |
| 272 | this.setDelayMetric(metric); |
| 273 | this.setExpenseMetric(metric); |
| 274 | this.setErrorMetric(metric); |
| 275 | this.setDelayMetric(metric); |
| 276 | if (metricInBinary.charAt(0) == 0) { |
| 277 | this.setDefaultIsInternal(true); |
| 278 | } else { |
| 279 | this.setDefaultIsInternal(false); |
| 280 | } |
| 281 | if (metricInBinary.charAt(0) == 0) { |
| 282 | this.setDelayMetricSupported(true); |
| 283 | this.setExpenseMetricSupported(true); |
| 284 | this.setErrorMetricSupported(true); |
| 285 | } else { |
| 286 | this.setDelayMetricSupported(false); |
| 287 | this.setExpenseMetricSupported(false); |
| 288 | this.setErrorMetricSupported(false); |
| 289 | } |
| 290 | byte temp = channelBuffer.readByte(); |
| 291 | String internalBit = Integer.toBinaryString(Byte.toUnsignedInt(temp)); |
| 292 | internalBit = IsisUtil.toEightBitBinary(internalBit); |
| 293 | if (internalBit.charAt(1) == 0) { |
| 294 | this.setDelayIsInternal(true); |
| 295 | } |
| 296 | temp = channelBuffer.readByte(); |
| 297 | internalBit = Integer.toBinaryString(Byte.toUnsignedInt(temp)); |
| 298 | internalBit = IsisUtil.toEightBitBinary(internalBit); |
| 299 | if (internalBit.charAt(1) == 0) { |
| 300 | this.setExpenseIsInternal(true); |
| 301 | } |
| 302 | temp = channelBuffer.readByte(); |
| 303 | internalBit = Integer.toBinaryString(Byte.toUnsignedInt(temp)); |
| 304 | internalBit = IsisUtil.toEightBitBinary(internalBit); |
| 305 | if (internalBit.charAt(1) == 0) { |
| 306 | this.setErrorIsInternal(true); |
| 307 | } |
| 308 | byte[] tempByteArray = new byte[IsisUtil.ID_PLUS_ONE_BYTE]; |
| 309 | channelBuffer.readBytes(tempByteArray, 0, IsisUtil.ID_PLUS_ONE_BYTE); |
| 310 | this.setNeighborId(IsisUtil.systemIdPlus(tempByteArray)); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Returns metric of reachability values as bytes of metric of reachability. |
| 315 | * |
| 316 | * @return byteArray metric of reachability values as bytes of metric of reachability |
| 317 | */ |
| 318 | public byte[] asBytes() { |
| 319 | List<Byte> bytes = new ArrayList<>(); |
| 320 | bytes.add((byte) this.defaultMetric()); |
| 321 | if (this.isDelayIsInternal()) { |
| 322 | bytes.add((byte) Integer.parseInt(value1)); |
| 323 | } else { |
| 324 | bytes.add((byte) Integer.parseInt(value2)); |
| 325 | } |
| 326 | if (this.isExpenseIsInternal()) { |
| 327 | bytes.add((byte) Integer.parseInt(value1)); |
| 328 | } else { |
| 329 | bytes.add((byte) Integer.parseInt(value2)); |
| 330 | } |
| 331 | if (this.isErrorIsInternal()) { |
| 332 | bytes.add((byte) Integer.parseInt(value1)); |
| 333 | } else { |
| 334 | bytes.add((byte) Integer.parseInt(value2)); |
| 335 | } |
| 336 | bytes.addAll(IsisUtil.sourceAndLanIdToBytes(this.neighborId())); |
| 337 | return Bytes.toArray(bytes); |
| 338 | } |
| 339 | |
| 340 | @Override |
| 341 | public String toString() { |
| 342 | return MoreObjects.toStringHelper(getClass()) |
| 343 | .omitNullValues() |
| 344 | .add("neighborId", neighborId) |
| 345 | .add("defaultMetric", defaultMetric) |
| 346 | .add("delayMetric", delayMetric) |
| 347 | .add("expenseMetric", expenseMetric) |
| 348 | .add("errorMetric", errorMetric) |
| 349 | .add("delayMetricSupported", delayMetricSupported) |
| 350 | .add("expenseMetricSupported", expenseMetricSupported) |
| 351 | .add("errorMetricSupported", errorMetricSupported) |
| 352 | .add("defaultIsInternal", defaultIsInternal) |
| 353 | .add("delayIsInternal", delayIsInternal) |
| 354 | .add("expenseIsInternal", expenseIsInternal) |
| 355 | .add("errorIsInternal", errorIsInternal) |
| 356 | .toString(); |
| 357 | } |
| 358 | } |