HIGUCHI Yuta | 60a1014 | 2013-06-14 15:50:10 -0700 | [diff] [blame] | 1 | package net.onrc.onos.ofcontroller.flowmanager; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 5 | import java.util.EnumSet; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 6 | import java.util.HashMap; |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 7 | import java.util.LinkedList; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 8 | import java.util.Map; |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 9 | import java.util.Random; |
Pavlin Radoslavov | 3f9ba65 | 2013-10-25 17:19:01 -0700 | [diff] [blame^] | 10 | import java.util.concurrent.BlockingQueue; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 11 | import java.util.concurrent.Executors; |
Pavlin Radoslavov | 3f9ba65 | 2013-10-25 17:19:01 -0700 | [diff] [blame^] | 12 | import java.util.concurrent.LinkedBlockingQueue; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 13 | import java.util.concurrent.ScheduledExecutorService; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 14 | import java.util.concurrent.TimeUnit; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 15 | |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 16 | import net.floodlightcontroller.core.IFloodlightProviderService; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 17 | import net.floodlightcontroller.core.IOFSwitch; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 18 | import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| 19 | import net.floodlightcontroller.core.module.FloodlightModuleException; |
| 20 | import net.floodlightcontroller.core.module.IFloodlightModule; |
| 21 | import net.floodlightcontroller.core.module.IFloodlightService; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 22 | import net.floodlightcontroller.restserver.IRestApiService; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 23 | import net.floodlightcontroller.util.OFMessageDamper; |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 24 | |
| 25 | import net.onrc.onos.datagrid.IDatagridService; |
Pankaj Berde | 38646d6 | 2013-06-21 11:34:04 -0700 | [diff] [blame] | 26 | import net.onrc.onos.graph.GraphDBOperation; |
HIGUCHI Yuta | 2051490 | 2013-06-12 11:24:16 -0700 | [diff] [blame] | 27 | import net.onrc.onos.ofcontroller.core.INetMapStorage; |
| 28 | import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowEntry; |
| 29 | import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowPath; |
Pavlin Radoslavov | e9a3ef9 | 2013-10-18 18:46:45 -0700 | [diff] [blame] | 30 | import net.onrc.onos.ofcontroller.floodlightlistener.INetworkGraphService; |
HIGUCHI Yuta | 60a1014 | 2013-06-14 15:50:10 -0700 | [diff] [blame] | 31 | import net.onrc.onos.ofcontroller.flowmanager.web.FlowWebRoutable; |
Pavlin Radoslavov | 1278ac7 | 2013-10-16 04:43:49 -0700 | [diff] [blame] | 32 | import net.onrc.onos.ofcontroller.topology.ITopologyNetService; |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 33 | import net.onrc.onos.ofcontroller.topology.Topology; |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 34 | import net.onrc.onos.ofcontroller.util.*; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 35 | |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 36 | import org.openflow.protocol.OFType; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 37 | import org.slf4j.Logger; |
| 38 | import org.slf4j.LoggerFactory; |
| 39 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 40 | /** |
HIGUCHI Yuta | eb567aa | 2013-10-08 19:27:35 -0700 | [diff] [blame] | 41 | * Flow Manager class for handling the network flows. |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 42 | */ |
Pavlin Radoslavov | 5adf152 | 2013-04-04 17:43:41 -0700 | [diff] [blame] | 43 | public class FlowManager implements IFloodlightModule, IFlowService, INetMapStorage { |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 44 | |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 45 | protected GraphDBOperation dbHandler; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 46 | |
Jonathan Hart | 50a9498 | 2013-04-10 14:49:51 -0700 | [diff] [blame] | 47 | protected volatile IFloodlightProviderService floodlightProvider; |
Pavlin Radoslavov | 1278ac7 | 2013-10-16 04:43:49 -0700 | [diff] [blame] | 48 | protected volatile ITopologyNetService topologyNetService; |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 49 | protected volatile IDatagridService datagridService; |
| 50 | protected IRestApiService restApi; |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 51 | protected FloodlightModuleContext context; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 52 | |
| 53 | protected OFMessageDamper messageDamper; |
| 54 | |
Pavlin Radoslavov | 78c4e49 | 2013-03-12 17:17:48 -0700 | [diff] [blame] | 55 | // |
| 56 | // TODO: Values copied from elsewhere (class LearningSwitch). |
| 57 | // The local copy should go away! |
| 58 | // |
| 59 | protected static final int OFMESSAGE_DAMPER_CAPACITY = 50000; // TODO: find sweet spot |
| 60 | protected static final int OFMESSAGE_DAMPER_TIMEOUT = 250; // ms |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 61 | |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 62 | // Flow Entry ID generation state |
| 63 | private static Random randomGenerator = new Random(); |
| 64 | private static int nextFlowEntryIdPrefix = 0; |
| 65 | private static int nextFlowEntryIdSuffix = 0; |
| 66 | private static long nextFlowEntryId = 0; |
| 67 | |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 68 | /** The logger. */ |
Yuta HIGUCHI | 6ac8d18 | 2013-10-22 15:24:56 -0700 | [diff] [blame] | 69 | private final static Logger log = LoggerFactory.getLogger(FlowManager.class); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 70 | |
| 71 | // The periodic task(s) |
Jonathan Hart | 50a9498 | 2013-04-10 14:49:51 -0700 | [diff] [blame] | 72 | private ScheduledExecutorService mapReaderScheduler; |
| 73 | private ScheduledExecutorService shortestPathReconcileScheduler; |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 74 | |
Pavlin Radoslavov | 3f9ba65 | 2013-10-25 17:19:01 -0700 | [diff] [blame^] | 75 | // The queue with Flow Path updates |
| 76 | protected BlockingQueue<EventEntry<FlowPath>> flowPathEvents = |
| 77 | new LinkedBlockingQueue<EventEntry<FlowPath>>(); |
| 78 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 79 | /** |
| 80 | * Periodic task for reading the Flow Entries and pushing changes |
| 81 | * into the switches. |
| 82 | */ |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 83 | final Runnable mapReader = new Runnable() { |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 84 | public void run() { |
Pavlin Radoslavov | a75caea | 2013-04-10 19:11:26 -0700 | [diff] [blame] | 85 | try { |
| 86 | runImpl(); |
| 87 | } catch (Exception e) { |
| 88 | log.debug("Exception processing All Flow Entries from the Network MAP: ", e); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 89 | dbHandler.rollback(); |
Pavlin Radoslavov | a75caea | 2013-04-10 19:11:26 -0700 | [diff] [blame] | 90 | return; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | private void runImpl() { |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 95 | long startTime = System.nanoTime(); |
| 96 | int counterAllFlowEntries = 0; |
| 97 | int counterMyNotUpdatedFlowEntries = 0; |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 98 | |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 99 | if (floodlightProvider == null) { |
| 100 | log.debug("FloodlightProvider service not found!"); |
| 101 | return; |
| 102 | } |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 103 | Map<Long, IOFSwitch> mySwitches = |
| 104 | floodlightProvider.getSwitches(); |
Pankaj Berde | bf51e4f | 2013-10-03 17:49:23 -0700 | [diff] [blame] | 105 | if (mySwitches.isEmpty()) { |
Pankaj Berde | 85a877b | 2013-10-03 18:26:35 -0700 | [diff] [blame] | 106 | log.trace("No switches controlled"); |
Pankaj Berde | bf51e4f | 2013-10-03 17:49:23 -0700 | [diff] [blame] | 107 | return; |
| 108 | } |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 109 | LinkedList<IFlowEntry> addFlowEntries = |
| 110 | new LinkedList<IFlowEntry>(); |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 111 | LinkedList<IFlowEntry> deleteFlowEntries = |
| 112 | new LinkedList<IFlowEntry>(); |
Pavlin Radoslavov | dbaaf2e | 2013-03-29 04:25:55 -0700 | [diff] [blame] | 113 | |
| 114 | // |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 115 | // Fetch all Flow Entries which need to be updated and select |
| 116 | // only my Flow Entries that need to be updated into the |
| 117 | // switches. |
Pavlin Radoslavov | 01391c9 | 2013-03-14 17:13:21 -0700 | [diff] [blame] | 118 | // |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 119 | Iterable<IFlowEntry> allFlowEntries = |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 120 | dbHandler.getAllSwitchNotUpdatedFlowEntries(); |
Pavlin Radoslavov | 01391c9 | 2013-03-14 17:13:21 -0700 | [diff] [blame] | 121 | for (IFlowEntry flowEntryObj : allFlowEntries) { |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 122 | counterAllFlowEntries++; |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 123 | |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 124 | String dpidStr = flowEntryObj.getSwitchDpid(); |
| 125 | if (dpidStr == null) |
| 126 | continue; |
| 127 | Dpid dpid = new Dpid(dpidStr); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 128 | IOFSwitch mySwitch = mySwitches.get(dpid.value()); |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 129 | if (mySwitch == null) |
| 130 | continue; // Ignore the entry: not my switch |
| 131 | |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 132 | IFlowPath flowObj = |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 133 | dbHandler.getFlowPathByFlowEntry(flowEntryObj); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 134 | if (flowObj == null) |
| 135 | continue; // Should NOT happen |
| 136 | if (flowObj.getFlowId() == null) |
| 137 | continue; // Invalid entry |
| 138 | |
| 139 | // |
| 140 | // NOTE: For now we process the DELETE before the ADD |
| 141 | // to cover the more common scenario. |
| 142 | // TODO: This is error prone and needs to be fixed! |
| 143 | // |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 144 | String userState = flowEntryObj.getUserState(); |
| 145 | if (userState == null) |
| 146 | continue; |
Pavlin Radoslavov | ec8e2e6 | 2013-04-04 18:18:29 -0700 | [diff] [blame] | 147 | if (userState.equals("FE_USER_DELETE")) { |
| 148 | // An entry that needs to be deleted. |
| 149 | deleteFlowEntries.add(flowEntryObj); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 150 | installFlowEntry(mySwitch, flowObj, flowEntryObj); |
| 151 | } else { |
| 152 | addFlowEntries.add(flowEntryObj); |
Pavlin Radoslavov | ec8e2e6 | 2013-04-04 18:18:29 -0700 | [diff] [blame] | 153 | } |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 154 | counterMyNotUpdatedFlowEntries++; |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 155 | } |
| 156 | |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 157 | // |
| 158 | // Process the Flow Entries that need to be added |
| 159 | // |
| 160 | for (IFlowEntry flowEntryObj : addFlowEntries) { |
| 161 | IFlowPath flowObj = |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 162 | dbHandler.getFlowPathByFlowEntry(flowEntryObj); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 163 | if (flowObj == null) |
| 164 | continue; // Should NOT happen |
| 165 | if (flowObj.getFlowId() == null) |
| 166 | continue; // Invalid entry |
Pavlin Radoslavov | 01391c9 | 2013-03-14 17:13:21 -0700 | [diff] [blame] | 167 | |
Pavlin Radoslavov | 01391c9 | 2013-03-14 17:13:21 -0700 | [diff] [blame] | 168 | Dpid dpid = new Dpid(flowEntryObj.getSwitchDpid()); |
Pavlin Radoslavov | 01391c9 | 2013-03-14 17:13:21 -0700 | [diff] [blame] | 169 | IOFSwitch mySwitch = mySwitches.get(dpid.value()); |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 170 | if (mySwitch == null) |
| 171 | continue; // Shouldn't happen |
Pavlin Radoslavov | ec8e2e6 | 2013-04-04 18:18:29 -0700 | [diff] [blame] | 172 | installFlowEntry(mySwitch, flowObj, flowEntryObj); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 173 | } |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 174 | |
| 175 | // |
Pavlin Radoslavov | 710e2a7 | 2013-04-08 02:31:05 +0000 | [diff] [blame] | 176 | // Delete all Flow Entries marked for deletion from the |
Pavlin Radoslavov | 44a3dcd | 2013-04-04 18:42:56 -0700 | [diff] [blame] | 177 | // Network MAP. |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 178 | // |
| 179 | // TODO: We should use the OpenFlow Barrier mechanism |
| 180 | // to check for errors, and delete the Flow Entries after the |
| 181 | // Barrier message is received. |
| 182 | // |
| 183 | while (! deleteFlowEntries.isEmpty()) { |
| 184 | IFlowEntry flowEntryObj = deleteFlowEntries.poll(); |
| 185 | IFlowPath flowObj = |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 186 | dbHandler.getFlowPathByFlowEntry(flowEntryObj); |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 187 | if (flowObj == null) { |
| 188 | log.debug("Did not find FlowPath to be deleted"); |
| 189 | continue; |
| 190 | } |
| 191 | flowObj.removeFlowEntry(flowEntryObj); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 192 | dbHandler.removeFlowEntry(flowEntryObj); |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 193 | } |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 194 | |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 195 | dbHandler.commit(); |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 196 | |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 197 | long estimatedTime = System.nanoTime() - startTime; |
| 198 | double rate = 0.0; |
| 199 | if (estimatedTime > 0) |
| 200 | rate = ((double)counterAllFlowEntries * 1000000000) / estimatedTime; |
| 201 | String logMsg = "MEASUREMENT: Processed AllFlowEntries: " + |
| 202 | counterAllFlowEntries + " MyNotUpdatedFlowEntries: " + |
| 203 | counterMyNotUpdatedFlowEntries + " in " + |
| 204 | (double)estimatedTime / 1000000000 + " sec: " + |
| 205 | rate + " paths/s"; |
| 206 | log.debug(logMsg); |
| 207 | } |
| 208 | }; |
| 209 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 210 | /** |
| 211 | * Periodic task for reading the Flow Paths and recomputing the |
| 212 | * shortest paths. |
| 213 | */ |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 214 | final Runnable shortestPathReconcile = new Runnable() { |
| 215 | public void run() { |
Pavlin Radoslavov | a75caea | 2013-04-10 19:11:26 -0700 | [diff] [blame] | 216 | try { |
| 217 | runImpl(); |
| 218 | } catch (Exception e) { |
| 219 | log.debug("Exception processing All Flows from the Network MAP: ", e); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 220 | dbHandler.rollback(); |
Pavlin Radoslavov | a75caea | 2013-04-10 19:11:26 -0700 | [diff] [blame] | 221 | return; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | private void runImpl() { |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 226 | long startTime = System.nanoTime(); |
| 227 | int counterAllFlowPaths = 0; |
| 228 | int counterMyFlowPaths = 0; |
| 229 | |
| 230 | if (floodlightProvider == null) { |
| 231 | log.debug("FloodlightProvider service not found!"); |
| 232 | return; |
| 233 | } |
| 234 | Map<Long, IOFSwitch> mySwitches = |
| 235 | floodlightProvider.getSwitches(); |
Pankaj Berde | bf51e4f | 2013-10-03 17:49:23 -0700 | [diff] [blame] | 236 | if (mySwitches.isEmpty()) { |
Pankaj Berde | 85a877b | 2013-10-03 18:26:35 -0700 | [diff] [blame] | 237 | log.trace("No switches controlled"); |
Pankaj Berde | bf51e4f | 2013-10-03 17:49:23 -0700 | [diff] [blame] | 238 | return; |
| 239 | } |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 240 | LinkedList<IFlowPath> deleteFlows = new LinkedList<IFlowPath>(); |
| 241 | |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 242 | // |
| 243 | // Fetch and recompute the Shortest Path for those |
| 244 | // Flow Paths this controller is responsible for. |
| 245 | // |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 246 | Topology topology = topologyNetService.newDatabaseTopology(); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 247 | Iterable<IFlowPath> allFlowPaths = dbHandler.getAllFlowPaths(); |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 248 | for (IFlowPath flowPathObj : allFlowPaths) { |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 249 | counterAllFlowPaths++; |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 250 | if (flowPathObj == null) |
| 251 | continue; |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 252 | |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 253 | String srcDpidStr = flowPathObj.getSrcSwitch(); |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 254 | if (srcDpidStr == null) |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 255 | continue; |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 256 | Dpid srcDpid = new Dpid(srcDpidStr); |
Pavlin Radoslavov | 2659a0b | 2013-04-03 20:30:40 -0700 | [diff] [blame] | 257 | // |
| 258 | // Use the source DPID as a heuristic to decide |
| 259 | // which controller is responsible for maintaining the |
| 260 | // shortest path. |
| 261 | // NOTE: This heuristic is error-prone: if the switch |
| 262 | // goes away and no controller is responsible for that |
| 263 | // switch, then the original Flow Path is not cleaned-up |
| 264 | // |
| 265 | IOFSwitch mySwitch = mySwitches.get(srcDpid.value()); |
| 266 | if (mySwitch == null) |
| 267 | continue; // Ignore: not my responsibility |
| 268 | |
Pavlin Radoslavov | 99d1b15 | 2013-04-09 22:57:33 -0700 | [diff] [blame] | 269 | // Test the Data Path Summary string |
| 270 | String dataPathSummaryStr = flowPathObj.getDataPathSummary(); |
| 271 | if (dataPathSummaryStr == null) |
| 272 | continue; // Could be invalid entry? |
| 273 | if (dataPathSummaryStr.isEmpty()) |
| 274 | continue; // No need to maintain this flow |
| 275 | |
Pavlin Radoslavov | 710e2a7 | 2013-04-08 02:31:05 +0000 | [diff] [blame] | 276 | // |
| 277 | // Test whether we need to complete the Flow cleanup, |
| 278 | // if the Flow has been deleted by the user. |
| 279 | // |
| 280 | String flowUserState = flowPathObj.getUserState(); |
| 281 | if ((flowUserState != null) |
| 282 | && flowUserState.equals("FE_USER_DELETE")) { |
| 283 | Iterable<IFlowEntry> flowEntries = flowPathObj.getFlowEntries(); |
Yuta HIGUCHI | 2ded2dd | 2013-10-09 18:06:41 -0700 | [diff] [blame] | 284 | final boolean empty = !flowEntries.iterator().hasNext(); |
Pavlin Radoslavov | 710e2a7 | 2013-04-08 02:31:05 +0000 | [diff] [blame] | 285 | if (empty) |
| 286 | deleteFlows.add(flowPathObj); |
| 287 | } |
| 288 | |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 289 | // Fetch the fields needed to recompute the shortest path |
| 290 | Short srcPortShort = flowPathObj.getSrcPort(); |
| 291 | String dstDpidStr = flowPathObj.getDstSwitch(); |
| 292 | Short dstPortShort = flowPathObj.getDstPort(); |
Pavlin Radoslavov | 204b286 | 2013-07-12 14:15:36 -0700 | [diff] [blame] | 293 | Long flowPathFlagsLong = flowPathObj.getFlowPathFlags(); |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 294 | if ((srcPortShort == null) || |
| 295 | (dstDpidStr == null) || |
Pavlin Radoslavov | 204b286 | 2013-07-12 14:15:36 -0700 | [diff] [blame] | 296 | (dstPortShort == null) || |
| 297 | (flowPathFlagsLong == null)) { |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 298 | continue; |
| 299 | } |
| 300 | |
| 301 | Port srcPort = new Port(srcPortShort); |
| 302 | Dpid dstDpid = new Dpid(dstDpidStr); |
| 303 | Port dstPort = new Port(dstPortShort); |
| 304 | SwitchPort srcSwitchPort = new SwitchPort(srcDpid, srcPort); |
| 305 | SwitchPort dstSwitchPort = new SwitchPort(dstDpid, dstPort); |
Pavlin Radoslavov | 204b286 | 2013-07-12 14:15:36 -0700 | [diff] [blame] | 306 | FlowPathFlags flowPathFlags = new FlowPathFlags(flowPathFlagsLong); |
Pavlin Radoslavov | 6db8c6e | 2013-04-08 00:14:07 +0000 | [diff] [blame] | 307 | |
Pavlin Radoslavov | 2659a0b | 2013-04-03 20:30:40 -0700 | [diff] [blame] | 308 | counterMyFlowPaths++; |
| 309 | |
Pavlin Radoslavov | 832aa65 | 2013-03-29 16:21:59 -0700 | [diff] [blame] | 310 | // |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 311 | // NOTE: Using here the regular getDatabaseShortestPath() |
| 312 | // method won't work here, because that method calls |
| 313 | // internally "conn.endTx(Transaction.COMMIT)", and that |
| 314 | // will invalidate all handlers to the Titan database. |
Pavlin Radoslavov | 832aa65 | 2013-03-29 16:21:59 -0700 | [diff] [blame] | 315 | // If we want to experiment with calling here |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 316 | // getDatabaseShortestPath(), we need to refactor that code |
Pavlin Radoslavov | 832aa65 | 2013-03-29 16:21:59 -0700 | [diff] [blame] | 317 | // to avoid closing the transaction. |
| 318 | // |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 319 | DataPath dataPath = |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 320 | topologyNetService.getTopologyShortestPath( |
| 321 | topology, |
| 322 | srcSwitchPort, |
| 323 | dstSwitchPort); |
Pavlin Radoslavov | 4a32582 | 2013-04-02 22:16:59 +0000 | [diff] [blame] | 324 | if (dataPath == null) { |
| 325 | // We need the DataPath to compare the paths |
| 326 | dataPath = new DataPath(); |
| 327 | dataPath.setSrcPort(srcSwitchPort); |
| 328 | dataPath.setDstPort(dstSwitchPort); |
| 329 | } |
Pavlin Radoslavov | 204b286 | 2013-07-12 14:15:36 -0700 | [diff] [blame] | 330 | dataPath.applyFlowPathFlags(flowPathFlags); |
Pavlin Radoslavov | 4a32582 | 2013-04-02 22:16:59 +0000 | [diff] [blame] | 331 | |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 332 | String newDataPathSummaryStr = dataPath.dataPathSummary(); |
| 333 | if (dataPathSummaryStr.equals(newDataPathSummaryStr)) |
| 334 | continue; // Nothing changed |
| 335 | |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 336 | reconcileFlow(flowPathObj, dataPath); |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 337 | } |
Pavlin Radoslavov | 710e2a7 | 2013-04-08 02:31:05 +0000 | [diff] [blame] | 338 | |
| 339 | // |
| 340 | // Delete all leftover Flows marked for deletion from the |
| 341 | // Network MAP. |
| 342 | // |
| 343 | while (! deleteFlows.isEmpty()) { |
| 344 | IFlowPath flowPathObj = deleteFlows.poll(); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 345 | dbHandler.removeFlowPath(flowPathObj); |
Pavlin Radoslavov | 710e2a7 | 2013-04-08 02:31:05 +0000 | [diff] [blame] | 346 | } |
| 347 | |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 348 | topologyNetService.dropTopology(topology); |
Pavlin Radoslavov | 0391b9d | 2013-03-29 11:54:25 -0700 | [diff] [blame] | 349 | |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 350 | dbHandler.commit(); |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 351 | |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 352 | long estimatedTime = System.nanoTime() - startTime; |
Pavlin Radoslavov | 1552f95 | 2013-04-04 17:51:22 -0700 | [diff] [blame] | 353 | double rate = 0.0; |
| 354 | if (estimatedTime > 0) |
| 355 | rate = ((double)counterAllFlowPaths * 1000000000) / estimatedTime; |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 356 | String logMsg = "MEASUREMENT: Processed AllFlowPaths: " + |
Pavlin Radoslavov | 1552f95 | 2013-04-04 17:51:22 -0700 | [diff] [blame] | 357 | counterAllFlowPaths + " MyFlowPaths: " + |
| 358 | counterMyFlowPaths + " in " + |
| 359 | (double)estimatedTime / 1000000000 + " sec: " + |
| 360 | rate + " paths/s"; |
Pavlin Radoslavov | 42f02ba | 2013-04-03 20:07:30 -0700 | [diff] [blame] | 361 | log.debug(logMsg); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 362 | } |
| 363 | }; |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 364 | |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 365 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 366 | /** |
| 367 | * Initialize the Flow Manager. |
| 368 | * |
| 369 | * @param conf the Graph Database configuration string. |
| 370 | */ |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 371 | @Override |
| 372 | public void init(String conf) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 373 | dbHandler = new GraphDBOperation(conf); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 374 | } |
| 375 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 376 | /** |
| 377 | * Shutdown the Flow Manager operation. |
| 378 | */ |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 379 | public void finalize() { |
Toshio Koide | 9fe1cb2 | 2013-06-13 13:51:11 -0700 | [diff] [blame] | 380 | close(); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 381 | } |
| 382 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 383 | /** |
| 384 | * Shutdown the Flow Manager operation. |
| 385 | */ |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 386 | @Override |
| 387 | public void close() { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 388 | datagridService.deregisterFlowService(this); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 389 | dbHandler.close(); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 390 | } |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 391 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 392 | /** |
| 393 | * Get the collection of offered module services. |
| 394 | * |
| 395 | * @return the collection of offered module services. |
| 396 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 397 | @Override |
| 398 | public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
| 399 | Collection<Class<? extends IFloodlightService>> l = |
| 400 | new ArrayList<Class<? extends IFloodlightService>>(); |
| 401 | l.add(IFlowService.class); |
| 402 | return l; |
| 403 | } |
| 404 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 405 | /** |
| 406 | * Get the collection of implemented services. |
| 407 | * |
| 408 | * @return the collection of implemented services. |
| 409 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 410 | @Override |
| 411 | public Map<Class<? extends IFloodlightService>, IFloodlightService> |
| 412 | getServiceImpls() { |
| 413 | Map<Class<? extends IFloodlightService>, |
Pavlin Radoslavov | e9a3ef9 | 2013-10-18 18:46:45 -0700 | [diff] [blame] | 414 | IFloodlightService> m = |
| 415 | new HashMap<Class<? extends IFloodlightService>, |
| 416 | IFloodlightService>(); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 417 | m.put(IFlowService.class, this); |
| 418 | return m; |
| 419 | } |
| 420 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 421 | /** |
| 422 | * Get the collection of modules this module depends on. |
| 423 | * |
| 424 | * @return the collection of modules this module depends on. |
| 425 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 426 | @Override |
| 427 | public Collection<Class<? extends IFloodlightService>> |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 428 | getModuleDependencies() { |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 429 | Collection<Class<? extends IFloodlightService>> l = |
| 430 | new ArrayList<Class<? extends IFloodlightService>>(); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 431 | l.add(IFloodlightProviderService.class); |
Pavlin Radoslavov | e9a3ef9 | 2013-10-18 18:46:45 -0700 | [diff] [blame] | 432 | l.add(INetworkGraphService.class); |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 433 | l.add(IDatagridService.class); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 434 | l.add(IRestApiService.class); |
| 435 | return l; |
| 436 | } |
| 437 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 438 | /** |
| 439 | * Initialize the module. |
| 440 | * |
| 441 | * @param context the module context to use for the initialization. |
| 442 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 443 | @Override |
| 444 | public void init(FloodlightModuleContext context) |
| 445 | throws FloodlightModuleException { |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 446 | this.context = context; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 447 | floodlightProvider = context.getServiceImpl(IFloodlightProviderService.class); |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 448 | topologyNetService = context.getServiceImpl(ITopologyNetService.class); |
| 449 | datagridService = context.getServiceImpl(IDatagridService.class); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 450 | restApi = context.getServiceImpl(IRestApiService.class); |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 451 | |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 452 | messageDamper = new OFMessageDamper(OFMESSAGE_DAMPER_CAPACITY, |
| 453 | EnumSet.of(OFType.FLOW_MOD), |
| 454 | OFMESSAGE_DAMPER_TIMEOUT); |
Pavlin Radoslavov | ddd01ba | 2013-07-03 15:40:44 -0700 | [diff] [blame] | 455 | |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 456 | this.init(""); |
| 457 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 458 | mapReaderScheduler = Executors.newScheduledThreadPool(1); |
| 459 | shortestPathReconcileScheduler = Executors.newScheduledThreadPool(1); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 460 | } |
| 461 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 462 | /** |
| 463 | * Get the next Flow Entry ID to use. |
| 464 | * |
| 465 | * @return the next Flow Entry ID to use. |
| 466 | */ |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 467 | public synchronized long getNextFlowEntryId() { |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 468 | // |
| 469 | // Generate the next Flow Entry ID. |
| 470 | // NOTE: For now, the higher 32 bits are random, and |
| 471 | // the lower 32 bits are sequential. |
| 472 | // In the future, we need a better allocation mechanism. |
| 473 | // |
| 474 | if ((nextFlowEntryIdSuffix & 0xffffffffL) == 0xffffffffL) { |
| 475 | nextFlowEntryIdPrefix = randomGenerator.nextInt(); |
| 476 | nextFlowEntryIdSuffix = 0; |
| 477 | } else { |
| 478 | nextFlowEntryIdSuffix++; |
| 479 | } |
| 480 | long result = (long)nextFlowEntryIdPrefix << 32; |
| 481 | result = result | (0xffffffffL & nextFlowEntryIdSuffix); |
| 482 | return result; |
| 483 | } |
| 484 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 485 | /** |
| 486 | * Startup module operation. |
| 487 | * |
| 488 | * @param context the module context to use for the startup. |
| 489 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 490 | @Override |
| 491 | public void startUp(FloodlightModuleContext context) { |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 492 | restApi.addRestletRoutable(new FlowWebRoutable()); |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 493 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 494 | // Initialize the Flow Entry ID generator |
| 495 | nextFlowEntryIdPrefix = randomGenerator.nextInt(); |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 496 | |
Pavlin Radoslavov | 3f9ba65 | 2013-10-25 17:19:01 -0700 | [diff] [blame^] | 497 | // Register with the Datagrid Service and obtain the initial state |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 498 | datagridService.registerFlowService(this); |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 499 | Collection<FlowPath> flowPaths = datagridService.getAllFlows(); |
Pavlin Radoslavov | 3f9ba65 | 2013-10-25 17:19:01 -0700 | [diff] [blame^] | 500 | for (FlowPath flowPath : flowPaths) { |
| 501 | EventEntry<FlowPath> eventEntry = |
| 502 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 503 | flowPathEvents.add(eventEntry); |
| 504 | } |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 505 | |
Pavlin Radoslavov | 3f9ba65 | 2013-10-25 17:19:01 -0700 | [diff] [blame^] | 506 | // Schedule the periodic tasks |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 507 | mapReaderScheduler.scheduleAtFixedRate( |
| 508 | mapReader, 3, 3, TimeUnit.SECONDS); |
| 509 | shortestPathReconcileScheduler.scheduleAtFixedRate( |
| 510 | shortestPathReconcile, 3, 3, TimeUnit.SECONDS); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | /** |
| 514 | * Add a flow. |
| 515 | * |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 516 | * @param flowPath the Flow Path to install. |
| 517 | * @param flowId the return-by-reference Flow ID as assigned internally. |
Pavlin Radoslavov | dbaaf2e | 2013-03-29 04:25:55 -0700 | [diff] [blame] | 518 | * @param dataPathSummaryStr the data path summary string if the added |
| 519 | * flow will be maintained internally, otherwise null. |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 520 | * @return true on success, otherwise false. |
| 521 | */ |
| 522 | @Override |
Pavlin Radoslavov | dbaaf2e | 2013-03-29 04:25:55 -0700 | [diff] [blame] | 523 | public boolean addFlow(FlowPath flowPath, FlowId flowId, |
| 524 | String dataPathSummaryStr) { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 525 | if (FlowDatabaseOperation.addFlow(this, dbHandler, flowPath, flowId, |
| 526 | dataPathSummaryStr)) { |
| 527 | datagridService.notificationSendFlowAdded(flowPath); |
| 528 | return true; |
| 529 | } |
| 530 | return false; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | /** |
Pavlin Radoslavov | 9425f70 | 2013-04-04 19:55:07 -0700 | [diff] [blame] | 534 | * Add a flow entry to the Network MAP. |
| 535 | * |
| 536 | * @param flowObj the corresponding Flow Path object for the Flow Entry. |
| 537 | * @param flowEntry the Flow Entry to install. |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 538 | * @return the added Flow Entry object on success, otherwise null. |
Pavlin Radoslavov | 9425f70 | 2013-04-04 19:55:07 -0700 | [diff] [blame] | 539 | */ |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 540 | private IFlowEntry addFlowEntry(IFlowPath flowObj, FlowEntry flowEntry) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 541 | return FlowDatabaseOperation.addFlowEntry(this, dbHandler, flowObj, |
| 542 | flowEntry); |
Pavlin Radoslavov | 9425f70 | 2013-04-04 19:55:07 -0700 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | /** |
Pavlin Radoslavov | baea924 | 2013-05-08 00:20:09 +0000 | [diff] [blame] | 546 | * Delete all previously added flows. |
| 547 | * |
| 548 | * @return true on success, otherwise false. |
| 549 | */ |
| 550 | @Override |
| 551 | public boolean deleteAllFlows() { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 552 | if (FlowDatabaseOperation.deleteAllFlows(dbHandler)) { |
| 553 | datagridService.notificationSendAllFlowsRemoved(); |
| 554 | return true; |
| 555 | } |
| 556 | return false; |
Pavlin Radoslavov | baea924 | 2013-05-08 00:20:09 +0000 | [diff] [blame] | 557 | } |
| 558 | |
| 559 | /** |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 560 | * Delete a previously added flow. |
| 561 | * |
| 562 | * @param flowId the Flow ID of the flow to delete. |
| 563 | * @return true on success, otherwise false. |
| 564 | */ |
| 565 | @Override |
| 566 | public boolean deleteFlow(FlowId flowId) { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 567 | if (FlowDatabaseOperation.deleteFlow(dbHandler, flowId)) { |
| 568 | datagridService.notificationSendFlowRemoved(flowId); |
| 569 | return true; |
| 570 | } |
| 571 | return false; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | /** |
Pavlin Radoslavov | baea924 | 2013-05-08 00:20:09 +0000 | [diff] [blame] | 575 | * Clear the state for all previously added flows. |
| 576 | * |
| 577 | * @return true on success, otherwise false. |
| 578 | */ |
| 579 | @Override |
| 580 | public boolean clearAllFlows() { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 581 | if (FlowDatabaseOperation.clearAllFlows(dbHandler)) { |
| 582 | datagridService.notificationSendAllFlowsRemoved(); |
| 583 | return true; |
| 584 | } |
| 585 | return false; |
Pavlin Radoslavov | baea924 | 2013-05-08 00:20:09 +0000 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | /** |
Pavlin Radoslavov | 916832f | 2013-03-14 17:48:41 -0700 | [diff] [blame] | 589 | * Clear the state for a previously added flow. |
| 590 | * |
| 591 | * @param flowId the Flow ID of the flow to clear. |
| 592 | * @return true on success, otherwise false. |
| 593 | */ |
| 594 | @Override |
| 595 | public boolean clearFlow(FlowId flowId) { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 596 | if (FlowDatabaseOperation.clearFlow(dbHandler, flowId)) { |
| 597 | datagridService.notificationSendFlowRemoved(flowId); |
| 598 | return true; |
| 599 | } |
| 600 | return false; |
Pavlin Radoslavov | 916832f | 2013-03-14 17:48:41 -0700 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | /** |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 604 | * Get a previously added flow. |
| 605 | * |
| 606 | * @param flowId the Flow ID of the flow to get. |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 607 | * @return the Flow Path if found, otherwise null. |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 608 | */ |
| 609 | @Override |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 610 | public FlowPath getFlow(FlowId flowId) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 611 | return FlowDatabaseOperation.getFlow(dbHandler, flowId); |
| 612 | } |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 613 | |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 614 | /** |
| 615 | * Get all installed flows by all installers. |
| 616 | * |
| 617 | * @return the Flow Paths if found, otherwise null. |
| 618 | */ |
| 619 | @Override |
| 620 | public ArrayList<FlowPath> getAllFlows() { |
| 621 | return FlowDatabaseOperation.getAllFlows(dbHandler); |
Pavlin Radoslavov | 706df05 | 2013-03-06 10:49:07 -0800 | [diff] [blame] | 622 | } |
| 623 | |
| 624 | /** |
| 625 | * Get all previously added flows by a specific installer for a given |
| 626 | * data path endpoints. |
| 627 | * |
| 628 | * @param installerId the Caller ID of the installer of the flow to get. |
| 629 | * @param dataPathEndpoints the data path endpoints of the flow to get. |
| 630 | * @return the Flow Paths if found, otherwise null. |
| 631 | */ |
| 632 | @Override |
| 633 | public ArrayList<FlowPath> getAllFlows(CallerId installerId, |
| 634 | DataPathEndpoints dataPathEndpoints) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 635 | return FlowDatabaseOperation.getAllFlows(dbHandler, installerId, |
| 636 | dataPathEndpoints); |
Pavlin Radoslavov | 706df05 | 2013-03-06 10:49:07 -0800 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Get all installed flows by all installers for given data path endpoints. |
| 641 | * |
| 642 | * @param dataPathEndpoints the data path endpoints of the flows to get. |
| 643 | * @return the Flow Paths if found, otherwise null. |
| 644 | */ |
| 645 | @Override |
| 646 | public ArrayList<FlowPath> getAllFlows(DataPathEndpoints dataPathEndpoints) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 647 | return FlowDatabaseOperation.getAllFlows(dbHandler, dataPathEndpoints); |
Pavlin Radoslavov | 706df05 | 2013-03-06 10:49:07 -0800 | [diff] [blame] | 648 | } |
| 649 | |
| 650 | /** |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 651 | * Get summary of all installed flows by all installers in a given range. |
Umesh Krishnaswamy | 57a32a9 | 2013-03-21 14:21:15 -0700 | [diff] [blame] | 652 | * |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 653 | * @param flowId the Flow ID of the first flow in the flow range to get. |
HIGUCHI Yuta | eb567aa | 2013-10-08 19:27:35 -0700 | [diff] [blame] | 654 | * @param maxFlows the maximum number of flows to be returned. |
Umesh Krishnaswamy | 57a32a9 | 2013-03-21 14:21:15 -0700 | [diff] [blame] | 655 | * @return the Flow Paths if found, otherwise null. |
| 656 | */ |
| 657 | @Override |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 658 | public ArrayList<IFlowPath> getAllFlowsSummary(FlowId flowId, |
| 659 | int maxFlows) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 660 | return FlowDatabaseOperation.getAllFlowsSummary(dbHandler, flowId, |
| 661 | maxFlows); |
Umesh Krishnaswamy | 57a32a9 | 2013-03-21 14:21:15 -0700 | [diff] [blame] | 662 | } |
| 663 | |
| 664 | /** |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 665 | * Get all Flows information, without the associated Flow Entries. |
| 666 | * |
| 667 | * @return all Flows information, without the associated Flow Entries. |
| 668 | */ |
| 669 | public ArrayList<IFlowPath> getAllFlowsWithoutFlowEntries() { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 670 | return FlowDatabaseOperation.getAllFlowsWithoutFlowEntries(dbHandler); |
Pavlin Radoslavov | 99b1275 | 2013-04-04 17:28:06 -0700 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | /** |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 674 | * Add and maintain a shortest-path flow. |
| 675 | * |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 676 | * NOTE: The Flow Path argument does NOT contain flow entries. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 677 | * |
| 678 | * @param flowPath the Flow Path with the endpoints and the match |
| 679 | * conditions to install. |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 680 | * @return the added shortest-path flow on success, otherwise null. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 681 | */ |
| 682 | @Override |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 683 | public FlowPath addAndMaintainShortestPathFlow(FlowPath flowPath) { |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 684 | // |
Pavlin Radoslavov | 8b4b059 | 2013-04-10 04:33:33 +0000 | [diff] [blame] | 685 | // Don't do the shortest path computation here. |
| 686 | // Instead, let the Flow reconciliation thread take care of it. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 687 | // |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 688 | |
Pavlin Radoslavov | 8b4b059 | 2013-04-10 04:33:33 +0000 | [diff] [blame] | 689 | // We need the DataPath to populate the Network MAP |
| 690 | DataPath dataPath = new DataPath(); |
| 691 | dataPath.setSrcPort(flowPath.dataPath().srcPort()); |
| 692 | dataPath.setDstPort(flowPath.dataPath().dstPort()); |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 693 | |
| 694 | // |
| 695 | // Prepare the computed Flow Path |
| 696 | // |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 697 | FlowPath computedFlowPath = new FlowPath(); |
| 698 | computedFlowPath.setFlowId(new FlowId(flowPath.flowId().value())); |
| 699 | computedFlowPath.setInstallerId(new CallerId(flowPath.installerId().value())); |
Pavlin Radoslavov | 204b286 | 2013-07-12 14:15:36 -0700 | [diff] [blame] | 700 | computedFlowPath.setFlowPathFlags(new FlowPathFlags(flowPath.flowPathFlags().flags())); |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 701 | computedFlowPath.setDataPath(dataPath); |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 702 | computedFlowPath.setFlowEntryMatch(new FlowEntryMatch(flowPath.flowEntryMatch())); |
Pavlin Radoslavov | 1bc2c47 | 2013-07-17 18:11:37 -0700 | [diff] [blame] | 703 | computedFlowPath.setFlowEntryActions(new FlowEntryActions(flowPath.flowEntryActions())); |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 704 | |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 705 | FlowId flowId = new FlowId(); |
Pavlin Radoslavov | 8b4b059 | 2013-04-10 04:33:33 +0000 | [diff] [blame] | 706 | String dataPathSummaryStr = dataPath.dataPathSummary(); |
Pavlin Radoslavov | dbaaf2e | 2013-03-29 04:25:55 -0700 | [diff] [blame] | 707 | if (! addFlow(computedFlowPath, flowId, dataPathSummaryStr)) |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 708 | return null; |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 709 | |
| 710 | // TODO: Mark the flow for maintenance purpose |
| 711 | |
Pavlin Radoslavov | e057529 | 2013-03-28 05:35:25 -0700 | [diff] [blame] | 712 | return (computedFlowPath); |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 713 | } |
| 714 | |
| 715 | /** |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 716 | * Reconcile a flow. |
| 717 | * |
| 718 | * @param flowObj the flow that needs to be reconciliated. |
| 719 | * @param newDataPath the new data path to use. |
| 720 | * @return true on success, otherwise false. |
| 721 | */ |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 722 | private boolean reconcileFlow(IFlowPath flowObj, DataPath newDataPath) { |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 723 | |
| 724 | // |
| 725 | // Set the incoming port matching and the outgoing port output |
| 726 | // actions for each flow entry. |
| 727 | // |
Pavlin Radoslavov | 1bc2c47 | 2013-07-17 18:11:37 -0700 | [diff] [blame] | 728 | int idx = 0; |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 729 | for (FlowEntry flowEntry : newDataPath.flowEntries()) { |
| 730 | // Set the incoming port matching |
| 731 | FlowEntryMatch flowEntryMatch = new FlowEntryMatch(); |
| 732 | flowEntry.setFlowEntryMatch(flowEntryMatch); |
| 733 | flowEntryMatch.enableInPort(flowEntry.inPort()); |
| 734 | |
Pavlin Radoslavov | 1bc2c47 | 2013-07-17 18:11:37 -0700 | [diff] [blame] | 735 | // |
| 736 | // Set the actions |
| 737 | // |
| 738 | FlowEntryActions flowEntryActions = flowEntry.flowEntryActions(); |
| 739 | // |
| 740 | // If the first Flow Entry, copy the Flow Path actions to it |
| 741 | // |
| 742 | if (idx == 0) { |
| 743 | String actionsStr = flowObj.getActions(); |
| 744 | if (actionsStr != null) { |
| 745 | FlowEntryActions flowActions = new FlowEntryActions(actionsStr); |
| 746 | for (FlowEntryAction action : flowActions.actions()) |
| 747 | flowEntryActions.addAction(action); |
| 748 | } |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 749 | } |
Pavlin Radoslavov | 282f4ff | 2013-07-18 11:21:37 -0700 | [diff] [blame] | 750 | idx++; |
Pavlin Radoslavov | 1bc2c47 | 2013-07-17 18:11:37 -0700 | [diff] [blame] | 751 | // |
| 752 | // Add the outgoing port output action |
| 753 | // |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 754 | FlowEntryAction flowEntryAction = new FlowEntryAction(); |
| 755 | flowEntryAction.setActionOutput(flowEntry.outPort()); |
Pavlin Radoslavov | 1bc2c47 | 2013-07-17 18:11:37 -0700 | [diff] [blame] | 756 | flowEntryActions.addAction(flowEntryAction); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 757 | } |
| 758 | |
| 759 | // |
| 760 | // Remove the old Flow Entries, and add the new Flow Entries |
| 761 | // |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 762 | Iterable<IFlowEntry> flowEntries = flowObj.getFlowEntries(); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 763 | for (IFlowEntry flowEntryObj : flowEntries) { |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 764 | flowEntryObj.setUserState("FE_USER_DELETE"); |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 765 | flowEntryObj.setSwitchState("FE_SWITCH_NOT_UPDATED"); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 766 | } |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 767 | for (FlowEntry flowEntry : newDataPath.flowEntries()) { |
Pavlin Radoslavov | 6fb76d1 | 2013-04-09 22:52:25 -0700 | [diff] [blame] | 768 | addFlowEntry(flowObj, flowEntry); |
Pavlin Radoslavov | 20d35a2 | 2013-04-05 10:16:15 -0700 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | // |
| 772 | // Set the Data Path Summary |
| 773 | // |
| 774 | String dataPathSummaryStr = newDataPath.dataPathSummary(); |
| 775 | flowObj.setDataPathSummary(dataPathSummaryStr); |
| 776 | |
| 777 | return true; |
| 778 | } |
| 779 | |
| 780 | /** |
Pavlin Radoslavov | dbaaf2e | 2013-03-29 04:25:55 -0700 | [diff] [blame] | 781 | * Reconcile all flows in a set. |
| 782 | * |
| 783 | * @param flowObjSet the set of flows that need to be reconciliated. |
| 784 | */ |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 785 | private void reconcileFlows(Iterable<IFlowPath> flowObjSet) { |
Pavlin Radoslavov | dbaaf2e | 2013-03-29 04:25:55 -0700 | [diff] [blame] | 786 | if (! flowObjSet.iterator().hasNext()) |
| 787 | return; |
Pavlin Radoslavov | 0eeb15d | 2013-04-05 10:23:51 -0700 | [diff] [blame] | 788 | // TODO: Not implemented/used yet. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 789 | } |
| 790 | |
| 791 | /** |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 792 | * Install a Flow Entry on a switch. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 793 | * |
Pavlin Radoslavov | 2b858f8 | 2013-03-28 11:37:37 -0700 | [diff] [blame] | 794 | * @param mySwitch the switch to install the Flow Entry into. |
Pavlin Radoslavov | ec8e2e6 | 2013-04-04 18:18:29 -0700 | [diff] [blame] | 795 | * @param flowObj the flow path object for the flow entry to install. |
| 796 | * @param flowEntryObj the flow entry object to install. |
| 797 | * @return true on success, otherwise false. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 798 | */ |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 799 | private boolean installFlowEntry(IOFSwitch mySwitch, IFlowPath flowObj, |
Pavlin Radoslavov | ec8e2e6 | 2013-04-04 18:18:29 -0700 | [diff] [blame] | 800 | IFlowEntry flowEntryObj) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 801 | return FlowSwitchOperation.installFlowEntry( |
| 802 | floodlightProvider.getOFMessageFactory(), |
| 803 | messageDamper, mySwitch, flowObj, flowEntryObj); |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 804 | } |
| 805 | |
| 806 | /** |
| 807 | * Install a Flow Entry on a switch. |
| 808 | * |
| 809 | * @param mySwitch the switch to install the Flow Entry into. |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 810 | * @param flowPath the flow path for the flow entry to install. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 811 | * @param flowEntry the flow entry to install. |
| 812 | * @return true on success, otherwise false. |
| 813 | */ |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 814 | private boolean installFlowEntry(IOFSwitch mySwitch, FlowPath flowPath, |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 815 | FlowEntry flowEntry) { |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 816 | return FlowSwitchOperation.installFlowEntry( |
| 817 | floodlightProvider.getOFMessageFactory(), |
| 818 | messageDamper, mySwitch, flowPath, flowEntry); |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | /** |
| 822 | * Remove a Flow Entry from a switch. |
| 823 | * |
Pavlin Radoslavov | 2b858f8 | 2013-03-28 11:37:37 -0700 | [diff] [blame] | 824 | * @param mySwitch the switch to remove the Flow Entry from. |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 825 | * @param flowPath the flow path for the flow entry to remove. |
Pavlin Radoslavov | 6b6f4a8 | 2013-03-28 03:30:00 -0700 | [diff] [blame] | 826 | * @param flowEntry the flow entry to remove. |
| 827 | * @return true on success, otherwise false. |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 828 | */ |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 829 | private boolean removeFlowEntry(IOFSwitch mySwitch, FlowPath flowPath, |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 830 | FlowEntry flowEntry) { |
Pavlin Radoslavov | 6b6f4a8 | 2013-03-28 03:30:00 -0700 | [diff] [blame] | 831 | // |
| 832 | // The installFlowEntry() method implements both installation |
| 833 | // and removal of flow entries. |
| 834 | // |
Pavlin Radoslavov | 67b3ef3 | 2013-04-03 02:44:48 -0700 | [diff] [blame] | 835 | return (installFlowEntry(mySwitch, flowPath, flowEntry)); |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 836 | } |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 837 | |
| 838 | /** |
| 839 | * Receive a notification that a Flow is added. |
| 840 | * |
| 841 | * @param flowPath the flow that is added. |
| 842 | */ |
| 843 | @Override |
| 844 | public void notificationRecvFlowAdded(FlowPath flowPath) { |
| 845 | // TODO |
| 846 | } |
| 847 | |
| 848 | /** |
| 849 | * Receive a notification that a Flow is removed. |
| 850 | * |
| 851 | * @param flowPath the flow that is removed. |
| 852 | */ |
| 853 | @Override |
| 854 | public void notificationRecvFlowRemoved(FlowPath flowPath) { |
| 855 | // TODO |
| 856 | } |
| 857 | |
| 858 | /** |
| 859 | * Receive a notification that a Flow is updated. |
| 860 | * |
| 861 | * @param flowPath the flow that is updated. |
| 862 | */ |
| 863 | @Override |
| 864 | public void notificationRecvFlowUpdated(FlowPath flowPath) { |
| 865 | // TODO |
| 866 | } |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 867 | } |