Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior |
| 3 | * University |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 6 | * not use this file except in compliance with the License. You may obtain |
| 7 | * a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | **/ |
| 17 | |
| 18 | package org.openflow.protocol.statistics; |
| 19 | |
| 20 | import java.lang.reflect.Constructor; |
| 21 | |
| 22 | import org.openflow.protocol.Instantiable; |
| 23 | import org.openflow.protocol.OFType; |
| 24 | |
Ray Milkey | ff73514 | 2014-05-22 19:06:02 -0700 | [diff] [blame] | 25 | @SuppressWarnings("rawtypes") |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 26 | public enum OFStatisticsType { |
| 27 | DESC (0, OFDescriptionStatistics.class, OFDescriptionStatistics.class, |
| 28 | new Instantiable<OFStatistics>() { |
| 29 | @Override |
| 30 | public OFStatistics instantiate() { |
| 31 | return new OFDescriptionStatistics(); |
| 32 | } |
| 33 | }, |
| 34 | new Instantiable<OFStatistics>() { |
| 35 | @Override |
| 36 | public OFStatistics instantiate() { |
| 37 | return new OFDescriptionStatistics(); |
| 38 | } |
| 39 | }), |
| 40 | FLOW (1, OFFlowStatisticsRequest.class, OFFlowStatisticsReply.class, |
| 41 | new Instantiable<OFStatistics>() { |
| 42 | @Override |
| 43 | public OFStatistics instantiate() { |
| 44 | return new OFFlowStatisticsRequest(); |
| 45 | } |
| 46 | }, |
| 47 | new Instantiable<OFStatistics>() { |
| 48 | @Override |
| 49 | public OFStatistics instantiate() { |
| 50 | return new OFFlowStatisticsReply(); |
| 51 | } |
| 52 | }), |
| 53 | AGGREGATE (2, OFAggregateStatisticsRequest.class, OFAggregateStatisticsReply.class, |
| 54 | new Instantiable<OFStatistics>() { |
| 55 | @Override |
| 56 | public OFStatistics instantiate() { |
| 57 | return new OFAggregateStatisticsRequest(); |
| 58 | } |
| 59 | }, |
| 60 | new Instantiable<OFStatistics>() { |
| 61 | @Override |
| 62 | public OFStatistics instantiate() { |
| 63 | return new OFAggregateStatisticsReply(); |
| 64 | } |
| 65 | }), |
| 66 | TABLE (3, OFTableStatistics.class, OFTableStatistics.class, |
| 67 | new Instantiable<OFStatistics>() { |
| 68 | @Override |
| 69 | public OFStatistics instantiate() { |
| 70 | return new OFTableStatistics(); |
| 71 | } |
| 72 | }, |
| 73 | new Instantiable<OFStatistics>() { |
| 74 | @Override |
| 75 | public OFStatistics instantiate() { |
| 76 | return new OFTableStatistics(); |
| 77 | } |
| 78 | }), |
| 79 | PORT (4, OFPortStatisticsRequest.class, OFPortStatisticsReply.class, |
| 80 | new Instantiable<OFStatistics>() { |
| 81 | @Override |
| 82 | public OFStatistics instantiate() { |
| 83 | return new OFPortStatisticsRequest(); |
| 84 | } |
| 85 | }, |
| 86 | new Instantiable<OFStatistics>() { |
| 87 | @Override |
| 88 | public OFStatistics instantiate() { |
| 89 | return new OFPortStatisticsReply(); |
| 90 | } |
| 91 | }), |
| 92 | QUEUE (5, OFQueueStatisticsRequest.class, OFQueueStatisticsReply.class, |
| 93 | new Instantiable<OFStatistics>() { |
| 94 | @Override |
| 95 | public OFStatistics instantiate() { |
| 96 | return new OFQueueStatisticsRequest(); |
| 97 | } |
| 98 | }, |
| 99 | new Instantiable<OFStatistics>() { |
| 100 | @Override |
| 101 | public OFStatistics instantiate() { |
| 102 | return new OFQueueStatisticsReply(); |
| 103 | } |
| 104 | }), |
| 105 | VENDOR (0xffff, OFVendorStatistics.class, OFVendorStatistics.class, |
| 106 | new Instantiable<OFStatistics>() { |
| 107 | @Override |
| 108 | public OFStatistics instantiate() { |
| 109 | return new OFVendorStatistics(); |
| 110 | } |
| 111 | }, |
| 112 | new Instantiable<OFStatistics>() { |
| 113 | @Override |
| 114 | public OFStatistics instantiate() { |
| 115 | return new OFVendorStatistics(); |
| 116 | } |
| 117 | }); |
| 118 | |
| 119 | static OFStatisticsType[] requestMapping; |
| 120 | static OFStatisticsType[] replyMapping; |
| 121 | |
| 122 | protected Class<? extends OFStatistics> requestClass; |
| 123 | protected Constructor<? extends OFStatistics> requestConstructor; |
| 124 | protected Instantiable<OFStatistics> requestInstantiable; |
| 125 | protected Class<? extends OFStatistics> replyClass; |
| 126 | protected Constructor<? extends OFStatistics> replyConstructor; |
| 127 | protected Instantiable<OFStatistics> replyInstantiable; |
| 128 | protected short type; |
| 129 | |
| 130 | /** |
| 131 | * Store some information about the OpenFlow Statistic type, including wire |
| 132 | * protocol type number, and derived class |
| 133 | * |
| 134 | * @param type Wire protocol number associated with this OFStatisticsType |
| 135 | * @param requestClass The Statistics Java class to return when the |
| 136 | * containing OFType is STATS_REQUEST |
| 137 | * @param replyClass The Statistics Java class to return when the |
| 138 | * containing OFType is STATS_REPLY |
| 139 | */ |
| 140 | OFStatisticsType(int type, Class<? extends OFStatistics> requestClass, |
| 141 | Class<? extends OFStatistics> replyClass, |
| 142 | Instantiable<OFStatistics> requestInstantiable, |
| 143 | Instantiable<OFStatistics> replyInstantiable) { |
| 144 | this.type = (short) type; |
| 145 | this.requestClass = requestClass; |
| 146 | try { |
| 147 | this.requestConstructor = requestClass.getConstructor(new Class[]{}); |
| 148 | } catch (Exception e) { |
| 149 | throw new RuntimeException( |
| 150 | "Failure getting constructor for class: " + requestClass, e); |
| 151 | } |
| 152 | |
| 153 | this.replyClass = replyClass; |
| 154 | try { |
| 155 | this.replyConstructor = replyClass.getConstructor(new Class[]{}); |
| 156 | } catch (Exception e) { |
| 157 | throw new RuntimeException( |
| 158 | "Failure getting constructor for class: " + replyClass, e); |
| 159 | } |
| 160 | this.requestInstantiable = requestInstantiable; |
| 161 | this.replyInstantiable = replyInstantiable; |
| 162 | OFStatisticsType.addMapping(this.type, OFType.STATS_REQUEST, this); |
| 163 | OFStatisticsType.addMapping(this.type, OFType.STATS_REPLY, this); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Adds a mapping from type value to OFStatisticsType enum |
| 168 | * |
| 169 | * @param i OpenFlow wire protocol type |
| 170 | * @param t type of containing OFMessage, only accepts STATS_REQUEST or |
| 171 | * STATS_REPLY |
| 172 | * @param st type |
| 173 | */ |
| 174 | static public void addMapping(short i, OFType t, OFStatisticsType st) { |
| 175 | if (i < 0) |
| 176 | i = (short) (16+i); |
| 177 | if (t == OFType.STATS_REQUEST) { |
| 178 | if (requestMapping == null) |
| 179 | requestMapping = new OFStatisticsType[16]; |
| 180 | OFStatisticsType.requestMapping[i] = st; |
| 181 | } else if (t == OFType.STATS_REPLY){ |
| 182 | if (replyMapping == null) |
| 183 | replyMapping = new OFStatisticsType[16]; |
| 184 | OFStatisticsType.replyMapping[i] = st; |
| 185 | } else { |
| 186 | throw new RuntimeException(t.toString() + " is an invalid OFType"); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Remove a mapping from type value to OFStatisticsType enum |
| 192 | * |
| 193 | * @param i OpenFlow wire protocol type |
| 194 | * @param t type of containing OFMessage, only accepts STATS_REQUEST or |
| 195 | * STATS_REPLY |
| 196 | */ |
| 197 | static public void removeMapping(short i, OFType t) { |
| 198 | if (i < 0) |
| 199 | i = (short) (16+i); |
| 200 | if (t == OFType.STATS_REQUEST) { |
| 201 | requestMapping[i] = null; |
| 202 | } else if (t == OFType.STATS_REPLY){ |
| 203 | replyMapping[i] = null; |
| 204 | } else { |
| 205 | throw new RuntimeException(t.toString() + " is an invalid OFType"); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Given a wire protocol OpenFlow type number, return the OFStatisticsType |
| 211 | * associated with it |
| 212 | * |
| 213 | * @param i wire protocol number |
| 214 | * @param t type of containing OFMessage, only accepts STATS_REQUEST or |
| 215 | * STATS_REPLY |
| 216 | * @return OFStatisticsType enum type |
| 217 | */ |
| 218 | static public OFStatisticsType valueOf(short i, OFType t) { |
| 219 | if (i < 0) |
| 220 | i = (short) (16+i); |
| 221 | if (t == OFType.STATS_REQUEST) { |
| 222 | return requestMapping[i]; |
| 223 | } else if (t == OFType.STATS_REPLY){ |
| 224 | return replyMapping[i]; |
| 225 | } else { |
| 226 | throw new RuntimeException(t.toString() + " is an invalid OFType"); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * @return Returns the wire protocol value corresponding to this |
| 232 | * OFStatisticsType |
| 233 | */ |
| 234 | public short getTypeValue() { |
| 235 | return this.type; |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * @param t type of containing OFMessage, only accepts STATS_REQUEST or |
| 240 | * STATS_REPLY |
| 241 | * @return return the OFMessage subclass corresponding to this |
| 242 | * OFStatisticsType |
| 243 | */ |
| 244 | public Class<? extends OFStatistics> toClass(OFType t) { |
| 245 | if (t == OFType.STATS_REQUEST) { |
| 246 | return requestClass; |
| 247 | } else if (t == OFType.STATS_REPLY){ |
| 248 | return replyClass; |
| 249 | } else { |
| 250 | throw new RuntimeException(t.toString() + " is an invalid OFType"); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Returns the no-argument Constructor of the implementation class for |
| 256 | * this OFStatisticsType, either request or reply based on the supplied |
| 257 | * OFType |
| 258 | * |
| 259 | * @param t |
| 260 | * @return |
| 261 | */ |
| 262 | public Constructor<? extends OFStatistics> getConstructor(OFType t) { |
| 263 | if (t == OFType.STATS_REQUEST) { |
| 264 | return requestConstructor; |
| 265 | } else if (t == OFType.STATS_REPLY) { |
| 266 | return replyConstructor; |
| 267 | } else { |
| 268 | throw new RuntimeException(t.toString() + " is an invalid OFType"); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * @return the requestInstantiable |
| 274 | */ |
| 275 | public Instantiable<OFStatistics> getRequestInstantiable() { |
| 276 | return requestInstantiable; |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * @param requestInstantiable the requestInstantiable to set |
| 281 | */ |
| 282 | public void setRequestInstantiable( |
| 283 | Instantiable<OFStatistics> requestInstantiable) { |
| 284 | this.requestInstantiable = requestInstantiable; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * @return the replyInstantiable |
| 289 | */ |
| 290 | public Instantiable<OFStatistics> getReplyInstantiable() { |
| 291 | return replyInstantiable; |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * @param replyInstantiable the replyInstantiable to set |
| 296 | */ |
| 297 | public void setReplyInstantiable(Instantiable<OFStatistics> replyInstantiable) { |
| 298 | this.replyInstantiable = replyInstantiable; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Returns a new instance of the implementation class for |
| 303 | * this OFStatisticsType, either request or reply based on the supplied |
| 304 | * OFType |
| 305 | * |
| 306 | * @param t |
| 307 | * @return |
| 308 | */ |
| 309 | public OFStatistics newInstance(OFType t) { |
| 310 | if (t == OFType.STATS_REQUEST) { |
| 311 | return requestInstantiable.instantiate(); |
| 312 | } else if (t == OFType.STATS_REPLY) { |
| 313 | return replyInstantiable.instantiate(); |
| 314 | } else { |
| 315 | throw new RuntimeException(t.toString() + " is an invalid OFType"); |
| 316 | } |
| 317 | } |
| 318 | } |