Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 1 | package net.onrc.onos.ofcontroller.flowmanager; |
| 2 | |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 3 | import java.io.IOException; |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 4 | import java.util.ArrayDeque; |
| 5 | import java.util.ArrayList; |
| 6 | import java.util.EnumSet; |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 7 | import java.util.HashMap; |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 8 | import java.util.List; |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 9 | import java.util.Map; |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 10 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 11 | import org.openflow.protocol.*; |
| 12 | import org.openflow.protocol.action.*; |
| 13 | import org.openflow.protocol.factory.BasicFactory; |
| 14 | import org.slf4j.Logger; |
| 15 | import org.slf4j.LoggerFactory; |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 16 | |
| 17 | import net.floodlightcontroller.core.FloodlightContext; |
| 18 | import net.floodlightcontroller.core.IOFSwitch; |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 19 | import net.floodlightcontroller.util.OFMessageDamper; |
| 20 | import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowEntry; |
| 21 | import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowPath; |
| 22 | import net.onrc.onos.ofcontroller.util.FlowEntryAction; |
| 23 | import net.onrc.onos.ofcontroller.util.FlowEntryAction.*; |
| 24 | import net.onrc.onos.ofcontroller.util.FlowEntryActions; |
| 25 | import net.onrc.onos.ofcontroller.util.FlowEntryId; |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 26 | |
| 27 | /** |
| 28 | * FlowPusher intermediates flow_mod sent from FlowManager/FlowSync to switches. |
| 29 | * FlowPusher controls the rate of sending flow_mods so that connection doesn't overflow. |
| 30 | * @author Naoki Shiota |
| 31 | * |
| 32 | */ |
| 33 | public class FlowPusher { |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 34 | private final static Logger log = LoggerFactory.getLogger(FlowPusher.class); |
| 35 | |
| 36 | // NOTE: Below are moved from FlowManager. |
| 37 | // TODO: Values copied from elsewhere (class LearningSwitch). |
| 38 | // The local copy should go away! |
| 39 | // |
| 40 | protected static final int OFMESSAGE_DAMPER_CAPACITY = 50000; // TODO: find sweet spot |
| 41 | protected static final int OFMESSAGE_DAMPER_TIMEOUT = 250; // ms |
| 42 | |
| 43 | public static final short PRIORITY_DEFAULT = 100; |
| 44 | public static final short FLOWMOD_DEFAULT_IDLE_TIMEOUT = 0; // infinity |
| 45 | public static final short FLOWMOD_DEFAULT_HARD_TIMEOUT = 0; // infinite |
| 46 | |
| 47 | public enum QueueState { |
| 48 | READY, |
| 49 | SUSPENDED, |
| 50 | } |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 51 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 52 | private class SwitchQueue extends ArrayDeque<OFMessage> { |
| 53 | QueueState state; |
| 54 | |
| 55 | // Max rate of sending message (bytes/sec). 0 implies no limitation. |
| 56 | long max_rate = 0; |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 57 | long last_sent_time = 0; |
| 58 | long last_sent_size = 0; |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 59 | |
| 60 | /** |
| 61 | * Check if sending rate is within the rate |
| 62 | * @param current Current time |
| 63 | * @return true if within the rate |
| 64 | */ |
| 65 | boolean isSendable(long current) { |
| 66 | long rate = last_sent_size / (current - last_sent_time); |
| 67 | |
| 68 | if (rate < max_rate) { |
| 69 | return true; |
| 70 | } else { |
| 71 | return false; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | void updateRate(long current, OFMessage msg) { |
| 76 | last_sent_time = current; |
| 77 | last_sent_size = msg.getLengthU(); |
| 78 | } |
| 79 | |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 80 | } |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 81 | |
| 82 | private Map<IOFSwitch,SwitchQueue> queues |
| 83 | = new HashMap<IOFSwitch,SwitchQueue>(); |
| 84 | |
| 85 | private OFMessageDamper messageDamper; |
Naoki Shiota | cf1acca | 2013-10-31 11:40:32 -0700 | [diff] [blame] | 86 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 87 | private FloodlightContext context = null; |
| 88 | private BasicFactory factory = null; |
| 89 | private Thread thread = null; |
| 90 | |
| 91 | |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 92 | private class FlowPusherProcess implements Runnable { |
| 93 | @Override |
| 94 | public void run() { |
Naoki Shiota | c2a699a | 2013-10-31 15:36:01 -0700 | [diff] [blame] | 95 | |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 96 | while (true) { |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 97 | for (Map.Entry<IOFSwitch,SwitchQueue> entry : queues.entrySet()) { |
| 98 | IOFSwitch sw = entry.getKey(); |
| 99 | SwitchQueue queue = entry.getValue(); |
| 100 | |
Naoki Shiota | c2a699a | 2013-10-31 15:36:01 -0700 | [diff] [blame] | 101 | // Skip if queue is suspended |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 102 | if (sw == null || queue == null || |
| 103 | queue.state != QueueState.READY) { |
Naoki Shiota | c2a699a | 2013-10-31 15:36:01 -0700 | [diff] [blame] | 104 | continue; |
| 105 | } |
| 106 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 107 | synchronized (queue) { |
| 108 | // TODO send multiple messages at once |
| 109 | |
| 110 | while (! queue.isEmpty()) { |
| 111 | OFMessage msg = queue.poll(); |
| 112 | // check sending rate and determine it to be sent or not |
| 113 | long current_time = System.nanoTime(); |
| 114 | |
| 115 | // if need to send, call IOFSwitch#write() |
| 116 | if (queue.isSendable(current_time)) { |
| 117 | try { |
| 118 | messageDamper.write(sw, msg, context); |
| 119 | queue.updateRate(current_time, msg); |
| 120 | } catch (IOException e) { |
| 121 | // TODO Auto-generated catch block |
| 122 | e.printStackTrace(); |
| 123 | } |
| 124 | } |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | // sleep while all queues are empty |
| 130 | boolean sleep = true; |
| 131 | do { |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 132 | |
Naoki Shiota | cf1acca | 2013-10-31 11:40:32 -0700 | [diff] [blame] | 133 | // TODO check if queues are empty |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 134 | } while (sleep); |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 139 | public void init(FloodlightContext context, BasicFactory factory) { |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 140 | this.context = context; |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 141 | this.factory = factory; |
| 142 | messageDamper = new OFMessageDamper(OFMESSAGE_DAMPER_CAPACITY, |
| 143 | EnumSet.of(OFType.FLOW_MOD), |
| 144 | OFMESSAGE_DAMPER_TIMEOUT); |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 145 | } |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 146 | /** |
| 147 | * Begin processing queue. |
| 148 | */ |
| 149 | public void start() { |
| 150 | if (context == null || factory == null) { |
| 151 | // not yet initialized |
| 152 | return; |
| 153 | } |
| 154 | |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 155 | thread = new Thread(new FlowPusherProcess()); |
| 156 | thread.start(); |
| 157 | } |
| 158 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 159 | /** |
| 160 | * Suspend processing a queue related to given switch. |
| 161 | * @param sw |
| 162 | */ |
| 163 | public void suspend(IOFSwitch sw) { |
| 164 | SwitchQueue queue = getQueue(sw); |
| 165 | |
| 166 | if (queue == null) { |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | synchronized (queue) { |
| 171 | if (queue.state == QueueState.READY) { |
| 172 | queue.state = QueueState.SUSPENDED; |
| 173 | } |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Resume processing a queue related to given switch. |
| 179 | */ |
| 180 | public void resume(IOFSwitch sw) { |
| 181 | SwitchQueue queue = getQueue(sw); |
| 182 | |
| 183 | if (queue == null) { |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | synchronized (queue) { |
| 188 | if (queue.state == QueueState.SUSPENDED) { |
| 189 | queue.state = QueueState.READY; |
| 190 | } |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * End processing queue and exit thread. |
| 196 | */ |
| 197 | public void stop() { |
Naoki Shiota | c2a699a | 2013-10-31 15:36:01 -0700 | [diff] [blame] | 198 | if (thread != null && thread.isAlive()) { |
| 199 | // TODO tell thread to halt |
| 200 | } |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 201 | } |
Naoki Shiota | c2a699a | 2013-10-31 15:36:01 -0700 | [diff] [blame] | 202 | |
Naoki Shiota | 7d0cf27 | 2013-11-05 10:18:12 -0800 | [diff] [blame^] | 203 | /** |
| 204 | * Add OFMessage to the queue related to given switch. |
| 205 | * @param sw |
| 206 | * @param msg |
| 207 | */ |
| 208 | public boolean send(IOFSwitch sw, OFMessage msg) { |
| 209 | SwitchQueue queue = getQueue(sw); |
| 210 | if (queue == null) { |
| 211 | queues.put(sw, new SwitchQueue()); |
| 212 | } |
| 213 | |
| 214 | synchronized (queue) { |
| 215 | queue.add(msg); |
| 216 | } |
| 217 | |
| 218 | return true; |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Create OFMessage from given flow information and add it to the queue. |
| 223 | * @param sw |
| 224 | * @param flowObj |
| 225 | * @param flowEntryObj |
| 226 | * @return |
| 227 | */ |
| 228 | public boolean send(IOFSwitch sw, IFlowPath flowObj, IFlowEntry flowEntryObj) { |
| 229 | String flowEntryIdStr = flowEntryObj.getFlowEntryId(); |
| 230 | if (flowEntryIdStr == null) |
| 231 | return false; |
| 232 | FlowEntryId flowEntryId = new FlowEntryId(flowEntryIdStr); |
| 233 | String userState = flowEntryObj.getUserState(); |
| 234 | if (userState == null) |
| 235 | return false; |
| 236 | |
| 237 | // |
| 238 | // Create the Open Flow Flow Modification Entry to push |
| 239 | // |
| 240 | OFFlowMod fm = (OFFlowMod)factory.getMessage(OFType.FLOW_MOD); |
| 241 | long cookie = flowEntryId.value(); |
| 242 | |
| 243 | short flowModCommand = OFFlowMod.OFPFC_ADD; |
| 244 | if (userState.equals("FE_USER_ADD")) { |
| 245 | flowModCommand = OFFlowMod.OFPFC_ADD; |
| 246 | } else if (userState.equals("FE_USER_MODIFY")) { |
| 247 | flowModCommand = OFFlowMod.OFPFC_MODIFY_STRICT; |
| 248 | } else if (userState.equals("FE_USER_DELETE")) { |
| 249 | flowModCommand = OFFlowMod.OFPFC_DELETE_STRICT; |
| 250 | } else { |
| 251 | // Unknown user state. Ignore the entry |
| 252 | log.debug("Flow Entry ignored (FlowEntryId = {}): unknown user state {}", |
| 253 | flowEntryId.toString(), userState); |
| 254 | return false; |
| 255 | } |
| 256 | |
| 257 | // |
| 258 | // Fetch the match conditions. |
| 259 | // |
| 260 | // NOTE: The Flow matching conditions common for all Flow Entries are |
| 261 | // used ONLY if a Flow Entry does NOT have the corresponding matching |
| 262 | // condition set. |
| 263 | // |
| 264 | OFMatch match = new OFMatch(); |
| 265 | match.setWildcards(OFMatch.OFPFW_ALL); |
| 266 | |
| 267 | // Match the Incoming Port |
| 268 | Short matchInPort = flowEntryObj.getMatchInPort(); |
| 269 | if (matchInPort != null) { |
| 270 | match.setInputPort(matchInPort); |
| 271 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_IN_PORT); |
| 272 | } |
| 273 | |
| 274 | // Match the Source MAC address |
| 275 | String matchSrcMac = flowEntryObj.getMatchSrcMac(); |
| 276 | if (matchSrcMac == null) |
| 277 | matchSrcMac = flowObj.getMatchSrcMac(); |
| 278 | if (matchSrcMac != null) { |
| 279 | match.setDataLayerSource(matchSrcMac); |
| 280 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_DL_SRC); |
| 281 | } |
| 282 | |
| 283 | // Match the Destination MAC address |
| 284 | String matchDstMac = flowEntryObj.getMatchDstMac(); |
| 285 | if (matchDstMac == null) |
| 286 | matchDstMac = flowObj.getMatchDstMac(); |
| 287 | if (matchDstMac != null) { |
| 288 | match.setDataLayerDestination(matchDstMac); |
| 289 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_DL_DST); |
| 290 | } |
| 291 | |
| 292 | // Match the Ethernet Frame Type |
| 293 | Short matchEthernetFrameType = flowEntryObj.getMatchEthernetFrameType(); |
| 294 | if (matchEthernetFrameType == null) |
| 295 | matchEthernetFrameType = flowObj.getMatchEthernetFrameType(); |
| 296 | if (matchEthernetFrameType != null) { |
| 297 | match.setDataLayerType(matchEthernetFrameType); |
| 298 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_DL_TYPE); |
| 299 | } |
| 300 | |
| 301 | // Match the VLAN ID |
| 302 | Short matchVlanId = flowEntryObj.getMatchVlanId(); |
| 303 | if (matchVlanId == null) |
| 304 | matchVlanId = flowObj.getMatchVlanId(); |
| 305 | if (matchVlanId != null) { |
| 306 | match.setDataLayerVirtualLan(matchVlanId); |
| 307 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_DL_VLAN); |
| 308 | } |
| 309 | |
| 310 | // Match the VLAN priority |
| 311 | Byte matchVlanPriority = flowEntryObj.getMatchVlanPriority(); |
| 312 | if (matchVlanPriority == null) |
| 313 | matchVlanPriority = flowObj.getMatchVlanPriority(); |
| 314 | if (matchVlanPriority != null) { |
| 315 | match.setDataLayerVirtualLanPriorityCodePoint(matchVlanPriority); |
| 316 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_DL_VLAN_PCP); |
| 317 | } |
| 318 | |
| 319 | // Match the Source IPv4 Network prefix |
| 320 | String matchSrcIPv4Net = flowEntryObj.getMatchSrcIPv4Net(); |
| 321 | if (matchSrcIPv4Net == null) |
| 322 | matchSrcIPv4Net = flowObj.getMatchSrcIPv4Net(); |
| 323 | if (matchSrcIPv4Net != null) { |
| 324 | match.setFromCIDR(matchSrcIPv4Net, OFMatch.STR_NW_SRC); |
| 325 | } |
| 326 | |
| 327 | // Match the Destination IPv4 Network prefix |
| 328 | String matchDstIPv4Net = flowEntryObj.getMatchDstIPv4Net(); |
| 329 | if (matchDstIPv4Net == null) |
| 330 | matchDstIPv4Net = flowObj.getMatchDstIPv4Net(); |
| 331 | if (matchDstIPv4Net != null) { |
| 332 | match.setFromCIDR(matchDstIPv4Net, OFMatch.STR_NW_DST); |
| 333 | } |
| 334 | |
| 335 | // Match the IP protocol |
| 336 | Byte matchIpProto = flowEntryObj.getMatchIpProto(); |
| 337 | if (matchIpProto == null) |
| 338 | matchIpProto = flowObj.getMatchIpProto(); |
| 339 | if (matchIpProto != null) { |
| 340 | match.setNetworkProtocol(matchIpProto); |
| 341 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_NW_PROTO); |
| 342 | } |
| 343 | |
| 344 | // Match the IP ToS (DSCP field, 6 bits) |
| 345 | Byte matchIpToS = flowEntryObj.getMatchIpToS(); |
| 346 | if (matchIpToS == null) |
| 347 | matchIpToS = flowObj.getMatchIpToS(); |
| 348 | if (matchIpToS != null) { |
| 349 | match.setNetworkTypeOfService(matchIpToS); |
| 350 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_NW_TOS); |
| 351 | } |
| 352 | |
| 353 | // Match the Source TCP/UDP port |
| 354 | Short matchSrcTcpUdpPort = flowEntryObj.getMatchSrcTcpUdpPort(); |
| 355 | if (matchSrcTcpUdpPort == null) |
| 356 | matchSrcTcpUdpPort = flowObj.getMatchSrcTcpUdpPort(); |
| 357 | if (matchSrcTcpUdpPort != null) { |
| 358 | match.setTransportSource(matchSrcTcpUdpPort); |
| 359 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_TP_SRC); |
| 360 | } |
| 361 | |
| 362 | // Match the Destination TCP/UDP port |
| 363 | Short matchDstTcpUdpPort = flowEntryObj.getMatchDstTcpUdpPort(); |
| 364 | if (matchDstTcpUdpPort == null) |
| 365 | matchDstTcpUdpPort = flowObj.getMatchDstTcpUdpPort(); |
| 366 | if (matchDstTcpUdpPort != null) { |
| 367 | match.setTransportDestination(matchDstTcpUdpPort); |
| 368 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_TP_DST); |
| 369 | } |
| 370 | |
| 371 | // |
| 372 | // Fetch the actions |
| 373 | // |
| 374 | Short actionOutputPort = null; |
| 375 | List<OFAction> openFlowActions = new ArrayList<OFAction>(); |
| 376 | int actionsLen = 0; |
| 377 | FlowEntryActions flowEntryActions = null; |
| 378 | String actionsStr = flowEntryObj.getActions(); |
| 379 | if (actionsStr != null) |
| 380 | flowEntryActions = new FlowEntryActions(actionsStr); |
| 381 | else |
| 382 | flowEntryActions = new FlowEntryActions(); |
| 383 | for (FlowEntryAction action : flowEntryActions.actions()) { |
| 384 | ActionOutput actionOutput = action.actionOutput(); |
| 385 | ActionSetVlanId actionSetVlanId = action.actionSetVlanId(); |
| 386 | ActionSetVlanPriority actionSetVlanPriority = action.actionSetVlanPriority(); |
| 387 | ActionStripVlan actionStripVlan = action.actionStripVlan(); |
| 388 | ActionSetEthernetAddr actionSetEthernetSrcAddr = action.actionSetEthernetSrcAddr(); |
| 389 | ActionSetEthernetAddr actionSetEthernetDstAddr = action.actionSetEthernetDstAddr(); |
| 390 | ActionSetIPv4Addr actionSetIPv4SrcAddr = action.actionSetIPv4SrcAddr(); |
| 391 | ActionSetIPv4Addr actionSetIPv4DstAddr = action.actionSetIPv4DstAddr(); |
| 392 | ActionSetIpToS actionSetIpToS = action.actionSetIpToS(); |
| 393 | ActionSetTcpUdpPort actionSetTcpUdpSrcPort = action.actionSetTcpUdpSrcPort(); |
| 394 | ActionSetTcpUdpPort actionSetTcpUdpDstPort = action.actionSetTcpUdpDstPort(); |
| 395 | ActionEnqueue actionEnqueue = action.actionEnqueue(); |
| 396 | |
| 397 | if (actionOutput != null) { |
| 398 | actionOutputPort = actionOutput.port().value(); |
| 399 | // XXX: The max length is hard-coded for now |
| 400 | OFActionOutput ofa = |
| 401 | new OFActionOutput(actionOutput.port().value(), |
| 402 | (short)0xffff); |
| 403 | openFlowActions.add(ofa); |
| 404 | actionsLen += ofa.getLength(); |
| 405 | } |
| 406 | |
| 407 | if (actionSetVlanId != null) { |
| 408 | OFActionVirtualLanIdentifier ofa = |
| 409 | new OFActionVirtualLanIdentifier(actionSetVlanId.vlanId()); |
| 410 | openFlowActions.add(ofa); |
| 411 | actionsLen += ofa.getLength(); |
| 412 | } |
| 413 | |
| 414 | if (actionSetVlanPriority != null) { |
| 415 | OFActionVirtualLanPriorityCodePoint ofa = |
| 416 | new OFActionVirtualLanPriorityCodePoint(actionSetVlanPriority.vlanPriority()); |
| 417 | openFlowActions.add(ofa); |
| 418 | actionsLen += ofa.getLength(); |
| 419 | } |
| 420 | |
| 421 | if (actionStripVlan != null) { |
| 422 | if (actionStripVlan.stripVlan() == true) { |
| 423 | OFActionStripVirtualLan ofa = new OFActionStripVirtualLan(); |
| 424 | openFlowActions.add(ofa); |
| 425 | actionsLen += ofa.getLength(); |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | if (actionSetEthernetSrcAddr != null) { |
| 430 | OFActionDataLayerSource ofa = |
| 431 | new OFActionDataLayerSource(actionSetEthernetSrcAddr.addr().toBytes()); |
| 432 | openFlowActions.add(ofa); |
| 433 | actionsLen += ofa.getLength(); |
| 434 | } |
| 435 | |
| 436 | if (actionSetEthernetDstAddr != null) { |
| 437 | OFActionDataLayerDestination ofa = |
| 438 | new OFActionDataLayerDestination(actionSetEthernetDstAddr.addr().toBytes()); |
| 439 | openFlowActions.add(ofa); |
| 440 | actionsLen += ofa.getLength(); |
| 441 | } |
| 442 | |
| 443 | if (actionSetIPv4SrcAddr != null) { |
| 444 | OFActionNetworkLayerSource ofa = |
| 445 | new OFActionNetworkLayerSource(actionSetIPv4SrcAddr.addr().value()); |
| 446 | openFlowActions.add(ofa); |
| 447 | actionsLen += ofa.getLength(); |
| 448 | } |
| 449 | |
| 450 | if (actionSetIPv4DstAddr != null) { |
| 451 | OFActionNetworkLayerDestination ofa = |
| 452 | new OFActionNetworkLayerDestination(actionSetIPv4DstAddr.addr().value()); |
| 453 | openFlowActions.add(ofa); |
| 454 | actionsLen += ofa.getLength(); |
| 455 | } |
| 456 | |
| 457 | if (actionSetIpToS != null) { |
| 458 | OFActionNetworkTypeOfService ofa = |
| 459 | new OFActionNetworkTypeOfService(actionSetIpToS.ipToS()); |
| 460 | openFlowActions.add(ofa); |
| 461 | actionsLen += ofa.getLength(); |
| 462 | } |
| 463 | |
| 464 | if (actionSetTcpUdpSrcPort != null) { |
| 465 | OFActionTransportLayerSource ofa = |
| 466 | new OFActionTransportLayerSource(actionSetTcpUdpSrcPort.port()); |
| 467 | openFlowActions.add(ofa); |
| 468 | actionsLen += ofa.getLength(); |
| 469 | } |
| 470 | |
| 471 | if (actionSetTcpUdpDstPort != null) { |
| 472 | OFActionTransportLayerDestination ofa = |
| 473 | new OFActionTransportLayerDestination(actionSetTcpUdpDstPort.port()); |
| 474 | openFlowActions.add(ofa); |
| 475 | actionsLen += ofa.getLength(); |
| 476 | } |
| 477 | |
| 478 | if (actionEnqueue != null) { |
| 479 | OFActionEnqueue ofa = |
| 480 | new OFActionEnqueue(actionEnqueue.port().value(), |
| 481 | actionEnqueue.queueId()); |
| 482 | openFlowActions.add(ofa); |
| 483 | actionsLen += ofa.getLength(); |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | fm.setIdleTimeout(FLOWMOD_DEFAULT_IDLE_TIMEOUT) |
| 488 | .setHardTimeout(FLOWMOD_DEFAULT_HARD_TIMEOUT) |
| 489 | .setPriority(PRIORITY_DEFAULT) |
| 490 | .setBufferId(OFPacketOut.BUFFER_ID_NONE) |
| 491 | .setCookie(cookie) |
| 492 | .setCommand(flowModCommand) |
| 493 | .setMatch(match) |
| 494 | .setActions(openFlowActions) |
| 495 | .setLengthU(OFFlowMod.MINIMUM_LENGTH + actionsLen); |
| 496 | fm.setOutPort(OFPort.OFPP_NONE.getValue()); |
| 497 | if ((flowModCommand == OFFlowMod.OFPFC_DELETE) || |
| 498 | (flowModCommand == OFFlowMod.OFPFC_DELETE_STRICT)) { |
| 499 | if (actionOutputPort != null) |
| 500 | fm.setOutPort(actionOutputPort); |
| 501 | } |
| 502 | |
| 503 | // |
| 504 | // TODO: Set the following flag |
| 505 | // fm.setFlags(OFFlowMod.OFPFF_SEND_FLOW_REM); |
| 506 | // See method ForwardingBase::pushRoute() |
| 507 | // |
| 508 | |
| 509 | // |
| 510 | // Write the message to the switch |
| 511 | // |
| 512 | log.debug("MEASUREMENT: Installing flow entry " + userState + |
| 513 | " into switch DPID: " + |
| 514 | sw.getStringId() + |
| 515 | " flowEntryId: " + flowEntryId.toString() + |
| 516 | " srcMac: " + matchSrcMac + " dstMac: " + matchDstMac + |
| 517 | " inPort: " + matchInPort + " outPort: " + actionOutputPort |
| 518 | ); |
| 519 | send(sw,fm); |
| 520 | // |
| 521 | // TODO: We should use the OpenFlow Barrier mechanism |
| 522 | // to check for errors, and update the SwitchState |
| 523 | // for a flow entry after the Barrier message is |
| 524 | // is received. |
| 525 | // |
| 526 | flowEntryObj.setSwitchState("FE_SWITCH_UPDATED"); |
| 527 | |
| 528 | return true; |
| 529 | } |
| 530 | |
| 531 | private SwitchQueue getQueue(IOFSwitch sw) { |
| 532 | if (sw == null) { |
| 533 | return null; |
| 534 | } |
| 535 | |
| 536 | return queues.get(sw); |
| 537 | } |
Naoki Shiota | ed4eb5e | 2013-10-31 10:55:32 -0700 | [diff] [blame] | 538 | } |