Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1 | package net.onrc.onos.ofcontroller.flowmanager; |
| 2 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 3 | import java.util.ArrayList; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 4 | import java.util.Collection; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 5 | import java.util.HashMap; |
| 6 | import java.util.Iterator; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 7 | import java.util.LinkedList; |
| 8 | import java.util.List; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 9 | import java.util.Map; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 10 | import java.util.SortedMap; |
| 11 | import java.util.TreeMap; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 12 | import java.util.concurrent.BlockingQueue; |
| 13 | import java.util.concurrent.LinkedBlockingQueue; |
| 14 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 15 | import net.floodlightcontroller.core.IOFSwitch; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 16 | import net.onrc.onos.datagrid.IDatagridService; |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 17 | import net.onrc.onos.graph.GraphDBOperation; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 18 | import net.onrc.onos.ofcontroller.topology.Topology; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 19 | import net.onrc.onos.ofcontroller.topology.TopologyElement; |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 20 | import net.onrc.onos.ofcontroller.topology.TopologyManager; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 21 | import net.onrc.onos.ofcontroller.util.DataPath; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 22 | import net.onrc.onos.ofcontroller.util.Dpid; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 23 | import net.onrc.onos.ofcontroller.util.EventEntry; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 24 | import net.onrc.onos.ofcontroller.util.FlowEntry; |
| 25 | import net.onrc.onos.ofcontroller.util.FlowEntryAction; |
| 26 | import net.onrc.onos.ofcontroller.util.FlowEntryActions; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 27 | import net.onrc.onos.ofcontroller.util.FlowEntryId; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 28 | import net.onrc.onos.ofcontroller.util.FlowEntryMatch; |
| 29 | import net.onrc.onos.ofcontroller.util.FlowEntrySwitchState; |
| 30 | import net.onrc.onos.ofcontroller.util.FlowEntryUserState; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 31 | import net.onrc.onos.ofcontroller.util.FlowId; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 32 | import net.onrc.onos.ofcontroller.util.FlowPath; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 33 | import net.onrc.onos.ofcontroller.util.FlowPathUserState; |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 34 | import net.onrc.onos.ofcontroller.util.Pair; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 35 | import net.onrc.onos.ofcontroller.util.Port; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 36 | import net.onrc.onos.ofcontroller.util.serializers.KryoFactory; |
| 37 | |
| 38 | import com.esotericsoftware.kryo2.Kryo; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 39 | |
| 40 | import org.slf4j.Logger; |
| 41 | import org.slf4j.LoggerFactory; |
| 42 | |
| 43 | /** |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 44 | * Class for FlowPath Maintenance. |
| 45 | * This class listens for FlowEvents to: |
| 46 | * - Maintain a local cache of the Network Topology. |
| 47 | * - Detect FlowPaths impacted by Topology change. |
| 48 | * - Recompute impacted FlowPath using cached Topology. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 49 | */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 50 | class FlowEventHandler extends Thread implements IFlowEventHandlerService { |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 51 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 52 | private boolean enableOnrc2014MeasurementsFlows = true; |
| 53 | private boolean enableOnrc2014MeasurementsTopology = true; |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 54 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 55 | /** The logger. */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 56 | private final static Logger log = LoggerFactory.getLogger(FlowEventHandler.class); |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 57 | |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 58 | private GraphDBOperation dbHandler; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 59 | private FlowManager flowManager; // The Flow Manager to use |
| 60 | private IDatagridService datagridService; // The Datagrid Service to use |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 61 | private Topology topology; // The network topology |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 62 | private KryoFactory kryoFactory = new KryoFactory(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 63 | |
| 64 | // The queue with Flow Path and Topology Element updates |
| 65 | private BlockingQueue<EventEntry<?>> networkEvents = |
| 66 | new LinkedBlockingQueue<EventEntry<?>>(); |
| 67 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 68 | // The pending Topology, FlowPath, and FlowEntry events |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 69 | private List<EventEntry<TopologyElement>> topologyEvents = |
| 70 | new LinkedList<EventEntry<TopologyElement>>(); |
| 71 | private List<EventEntry<FlowPath>> flowPathEvents = |
| 72 | new LinkedList<EventEntry<FlowPath>>(); |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 73 | private List<EventEntry<FlowEntry>> flowEntryEvents = |
| 74 | new LinkedList<EventEntry<FlowEntry>>(); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 75 | private List<EventEntry<FlowId>> flowIdEvents = |
| 76 | new LinkedList<EventEntry<FlowId>>(); |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 77 | private List<EventEntry<Pair<FlowEntryId, Dpid>>> flowEntryIdEvents = |
| 78 | new LinkedList<EventEntry<Pair<FlowEntryId, Dpid>>>(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 79 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 80 | // All internally computed Flow Paths |
| 81 | private Map<Long, FlowPath> allFlowPaths = new HashMap<Long, FlowPath>(); |
| 82 | |
| 83 | // The Flow Entries received as notifications with unmatched Flow Paths |
| 84 | private Map<Long, FlowEntry> unmatchedFlowEntryAdd = |
| 85 | new HashMap<Long, FlowEntry>(); |
| 86 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 87 | // |
| 88 | // Transient state for processing the Flow Paths: |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 89 | // - The Flow Paths that should be recomputed |
| 90 | // - The Flow Paths with modified Flow Entries |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 91 | // - The Flow Paths that we should check if installed in all switches |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 92 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 93 | private Map<Long, FlowPath> shouldRecomputeFlowPaths = |
| 94 | new HashMap<Long, FlowPath>(); |
| 95 | private Map<Long, FlowPath> modifiedFlowPaths = |
| 96 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 97 | private Map<Long, FlowPath> checkIfInstalledFlowPaths = |
| 98 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 99 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 100 | /** |
| 101 | * Constructor for a given Flow Manager and Datagrid Service. |
| 102 | * |
| 103 | * @param flowManager the Flow Manager to use. |
| 104 | * @param datagridService the Datagrid Service to use. |
| 105 | */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 106 | FlowEventHandler(FlowManager flowManager, |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 107 | IDatagridService datagridService) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 108 | this.flowManager = flowManager; |
| 109 | this.datagridService = datagridService; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 110 | this.topology = new Topology(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | /** |
Pavlin Radoslavov | ed0f4a8 | 2013-11-04 16:38:36 -0800 | [diff] [blame] | 114 | * Get the network topology. |
| 115 | * |
| 116 | * @return the network topology. |
| 117 | */ |
| 118 | protected Topology getTopology() { return this.topology; } |
| 119 | |
| 120 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 121 | * Startup processing. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 122 | */ |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 123 | private void startup() { |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 124 | this.dbHandler = new GraphDBOperation(""); |
| 125 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 126 | // |
| 127 | // Obtain the initial Topology state |
| 128 | // |
| 129 | Collection<TopologyElement> topologyElements = |
| 130 | datagridService.getAllTopologyElements(); |
| 131 | for (TopologyElement topologyElement : topologyElements) { |
| 132 | EventEntry<TopologyElement> eventEntry = |
| 133 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 134 | topologyEvents.add(eventEntry); |
| 135 | } |
| 136 | // |
| 137 | // Obtain the initial Flow Path state |
| 138 | // |
| 139 | Collection<FlowPath> flowPaths = datagridService.getAllFlows(); |
| 140 | for (FlowPath flowPath : flowPaths) { |
| 141 | EventEntry<FlowPath> eventEntry = |
| 142 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 143 | flowPathEvents.add(eventEntry); |
| 144 | } |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 145 | // |
| 146 | // Obtain the initial FlowEntry state |
| 147 | // |
| 148 | Collection<FlowEntry> flowEntries = datagridService.getAllFlowEntries(); |
| 149 | for (FlowEntry flowEntry : flowEntries) { |
| 150 | EventEntry<FlowEntry> eventEntry = |
| 151 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 152 | flowEntryEvents.add(eventEntry); |
| 153 | } |
| 154 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 155 | // |
| 156 | // Obtain the initial FlowId state |
| 157 | // |
| 158 | Collection<FlowId> flowIds = datagridService.getAllFlowIds(); |
| 159 | for (FlowId flowId : flowIds) { |
| 160 | EventEntry<FlowId> eventEntry = |
| 161 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_ADD, flowId); |
| 162 | flowIdEvents.add(eventEntry); |
| 163 | } |
| 164 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 165 | // |
| 166 | // Obtain the initial FlowEntryId state |
| 167 | // |
| 168 | Collection<Pair<FlowEntryId, Dpid>> flowEntryIds = |
| 169 | datagridService.getAllFlowEntryIds(); |
| 170 | for (Pair<FlowEntryId, Dpid> pair : flowEntryIds) { |
| 171 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 172 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, pair); |
| 173 | flowEntryIdEvents.add(eventEntry); |
| 174 | } |
| 175 | |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 176 | // Process the initial events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 177 | synchronized (allFlowPaths) { |
| 178 | processEvents(); |
| 179 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Run the thread. |
| 184 | */ |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 185 | @Override |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 186 | public void run() { |
Yuta HIGUCHI | 61509a4 | 2013-12-17 10:41:04 -0800 | [diff] [blame] | 187 | this.setName("FlowEventHandler " + this.getId()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 188 | startup(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 189 | |
| 190 | // |
| 191 | // The main loop |
| 192 | // |
| 193 | Collection<EventEntry<?>> collection = new LinkedList<EventEntry<?>>(); |
| 194 | try { |
| 195 | while (true) { |
| 196 | EventEntry<?> eventEntry = networkEvents.take(); |
| 197 | collection.add(eventEntry); |
| 198 | networkEvents.drainTo(collection); |
| 199 | |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 200 | // |
| 201 | // Demultiplex all events: |
| 202 | // - EventEntry<TopologyElement> |
| 203 | // - EventEntry<FlowPath> |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 204 | // - EventEntry<FlowEntry> |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 205 | // - EventEntry<FlowId> |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 206 | // - EventEntry<Pair<FlowEntryId, Dpid>> |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 207 | // |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 208 | for (EventEntry<?> event : collection) { |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 209 | // Topology event |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 210 | if (event.eventData() instanceof TopologyElement) { |
| 211 | EventEntry<TopologyElement> topologyEventEntry = |
| 212 | (EventEntry<TopologyElement>)event; |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 213 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 214 | topologyEvents.add(topologyEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 215 | continue; |
| 216 | } |
| 217 | |
| 218 | // FlowPath event |
| 219 | if (event.eventData() instanceof FlowPath) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 220 | EventEntry<FlowPath> flowPathEventEntry = |
| 221 | (EventEntry<FlowPath>)event; |
| 222 | flowPathEvents.add(flowPathEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 223 | continue; |
| 224 | } |
| 225 | |
| 226 | // FlowEntry event |
| 227 | if (event.eventData() instanceof FlowEntry) { |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 228 | EventEntry<FlowEntry> flowEntryEventEntry = |
| 229 | (EventEntry<FlowEntry>)event; |
| 230 | flowEntryEvents.add(flowEntryEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 231 | continue; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 232 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 233 | |
| 234 | // FlowId event |
| 235 | if (event.eventData() instanceof FlowId) { |
| 236 | EventEntry<FlowId> flowIdEventEntry = |
| 237 | (EventEntry<FlowId>)event; |
| 238 | flowIdEvents.add(flowIdEventEntry); |
| 239 | continue; |
| 240 | } |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 241 | // FlowEntryId event |
| 242 | if (event.eventData() instanceof Pair) { |
| 243 | EventEntry<Pair<FlowEntryId, Dpid>> flowEntryIdEventEntry = |
| 244 | (EventEntry<Pair<FlowEntryId, Dpid>>)event; |
| 245 | flowEntryIdEvents.add(flowEntryIdEventEntry); |
| 246 | continue; |
| 247 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 248 | } |
| 249 | collection.clear(); |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 250 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 251 | // Process the events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 252 | synchronized (allFlowPaths) { |
| 253 | processEvents(); |
| 254 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 255 | } |
| 256 | } catch (Exception exception) { |
| 257 | log.debug("Exception processing Network Events: ", exception); |
| 258 | } |
| 259 | } |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 260 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 261 | /** |
| 262 | * Process the events (if any) |
| 263 | */ |
| 264 | private void processEvents() { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 265 | Collection<FlowEntry> modifiedFlowEntries; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 266 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 267 | if (enableOnrc2014MeasurementsFlows) { |
| 268 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 269 | if (topologyEvents.isEmpty() && flowIdEvents.isEmpty() && |
| 270 | flowEntryIdEvents.isEmpty()) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 271 | return; // Nothing to do |
| 272 | } |
| 273 | |
| 274 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 275 | |
| 276 | // Fetch and prepare my flows |
| 277 | prepareMyFlows(mySwitches); |
| 278 | |
| 279 | // Fetch the topology |
| 280 | processTopologyEvents(); |
| 281 | |
| 282 | // Recompute all affected Flow Paths and keep only the modified |
| 283 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
| 284 | if (recomputeFlowPath(flowPath)) |
| 285 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 286 | } |
| 287 | |
| 288 | // Assign the Flow Entry ID as needed |
| 289 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 290 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 291 | if (! flowEntry.isValidFlowEntryId()) { |
| 292 | long id = flowManager.getNextFlowEntryId(); |
| 293 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | // Extract my modified Flow Entries |
| 299 | modifiedFlowEntries = processFlowIdEvents(mySwitches); |
| 300 | |
| 301 | // |
| 302 | // Push the modified state to the Flow Manager |
| 303 | // |
| 304 | flowManager.pushModifiedFlowState(modifiedFlowPaths.values(), |
| 305 | modifiedFlowEntries); |
| 306 | |
| 307 | // Cleanup |
| 308 | topologyEvents.clear(); |
| 309 | flowIdEvents.clear(); |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 310 | flowEntryIdEvents.clear(); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 311 | // |
| 312 | allFlowPaths.clear(); |
| 313 | shouldRecomputeFlowPaths.clear(); |
| 314 | modifiedFlowPaths.clear(); |
| 315 | |
| 316 | return; |
| 317 | } |
| 318 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 319 | if (topologyEvents.isEmpty() && flowPathEvents.isEmpty() && |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 320 | flowEntryEvents.isEmpty()) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 321 | return; // Nothing to do |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 322 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 323 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 324 | processFlowPathEvents(); |
| 325 | processTopologyEvents(); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 326 | processUnmatchedFlowEntryAdd(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 327 | processFlowEntryEvents(); |
| 328 | |
| 329 | // Recompute all affected Flow Paths and keep only the modified |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 330 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 331 | if (recomputeFlowPath(flowPath)) |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 332 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 333 | } |
| 334 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 335 | // Extract the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 336 | modifiedFlowEntries = extractModifiedFlowEntries(modifiedFlowPaths.values()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 337 | |
| 338 | // Assign missing Flow Entry IDs |
| 339 | assignFlowEntryId(modifiedFlowEntries); |
| 340 | |
| 341 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 342 | // Push the modified state to the Flow Manager |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 343 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 344 | flowManager.pushModifiedFlowState(modifiedFlowPaths.values(), |
| 345 | modifiedFlowEntries); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 346 | |
| 347 | // |
| 348 | // Remove Flow Entries that were deleted |
| 349 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 350 | for (FlowPath flowPath : modifiedFlowPaths.values()) |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 351 | flowPath.dataPath().removeDeletedFlowEntries(); |
| 352 | |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 353 | // |
| 354 | // Check if Flow Paths have been installed into all switches, |
| 355 | // and generate the appropriate events. |
| 356 | // |
| 357 | checkInstalledFlowPaths(checkIfInstalledFlowPaths.values()); |
| 358 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 359 | // Cleanup |
| 360 | topologyEvents.clear(); |
| 361 | flowPathEvents.clear(); |
| 362 | flowEntryEvents.clear(); |
| 363 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 364 | shouldRecomputeFlowPaths.clear(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 365 | modifiedFlowPaths.clear(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 366 | checkIfInstalledFlowPaths.clear(); |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Check if Flow Paths have been installed into all switches, |
| 371 | * and generate the appropriate events. |
| 372 | * |
| 373 | * @param flowPaths the flowPaths to process. |
| 374 | */ |
| 375 | private void checkInstalledFlowPaths(Collection<FlowPath> flowPaths) { |
| 376 | List<FlowPath> installedFlowPaths = new LinkedList<FlowPath>(); |
| 377 | |
| 378 | Kryo kryo = kryoFactory.newKryo(); |
| 379 | |
| 380 | for (FlowPath flowPath : flowPaths) { |
| 381 | boolean isInstalled = true; |
| 382 | |
| 383 | // |
| 384 | // Check whether all Flow Entries have been installed |
| 385 | // |
| 386 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 387 | if (flowEntry.flowEntrySwitchState() != |
| 388 | FlowEntrySwitchState.FE_SWITCH_UPDATED) { |
| 389 | isInstalled = false; |
| 390 | break; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | if (isInstalled) { |
| 395 | // Create a copy and add it to the list |
| 396 | FlowPath copyFlowPath = kryo.copy(flowPath); |
| 397 | installedFlowPaths.add(copyFlowPath); |
| 398 | } |
| 399 | } |
| 400 | kryoFactory.deleteKryo(kryo); |
| 401 | |
| 402 | // Generate an event for the installed Flow Path. |
| 403 | flowManager.notificationFlowPathsInstalled(installedFlowPaths); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Extract the modified Flow Entries. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 408 | * |
| 409 | * @param modifiedFlowPaths the Flow Paths to process. |
| 410 | * @return a collection with the modified Flow Entries. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 411 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 412 | private Collection<FlowEntry> extractModifiedFlowEntries( |
| 413 | Collection<FlowPath> modifiedFlowPaths) { |
| 414 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 415 | |
| 416 | // Extract only the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 417 | for (FlowPath flowPath : modifiedFlowPaths) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 418 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 419 | if (flowEntry.flowEntrySwitchState() == |
| 420 | FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED) { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 421 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 422 | } |
| 423 | } |
| 424 | } |
| 425 | return modifiedFlowEntries; |
| 426 | } |
| 427 | |
| 428 | /** |
| 429 | * Assign the Flow Entry ID as needed. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 430 | * |
| 431 | * @param modifiedFlowEnries the collection of Flow Entries that need |
| 432 | * Flow Entry ID assigned. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 433 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 434 | private void assignFlowEntryId(Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 435 | if (modifiedFlowEntries.isEmpty()) |
| 436 | return; |
| 437 | |
| 438 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 439 | |
| 440 | // |
| 441 | // Assign the Flow Entry ID only for Flow Entries for my switches |
| 442 | // |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 443 | for (FlowEntry flowEntry : modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 444 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 445 | if (mySwitch == null) |
| 446 | continue; |
| 447 | if (! flowEntry.isValidFlowEntryId()) { |
| 448 | long id = flowManager.getNextFlowEntryId(); |
| 449 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | /** |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 455 | * Prepare my flows. |
| 456 | * |
| 457 | * @param mySwitches the collection of my switches. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 458 | */ |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 459 | private void prepareMyFlows(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 460 | if (! topologyEvents.isEmpty()) { |
| 461 | // Fetch my flows from the database |
| 462 | ArrayList<FlowPath> myFlows = FlowDatabaseOperation.getAllMyFlows(dbHandler, mySwitches); |
| 463 | for (FlowPath flowPath : myFlows) { |
| 464 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 465 | |
| 466 | // |
| 467 | // TODO: Bug workaround / fix : |
| 468 | // method FlowDatabaseOperation.extractFlowEntry() doesn't |
| 469 | // fetch the inPort and outPort, hence we assign them here. |
| 470 | // |
| 471 | // Assign the inPort and outPort for the Flow Entries |
| 472 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 473 | // Set the inPort |
| 474 | do { |
| 475 | if (flowEntry.inPort() != null) |
| 476 | break; |
| 477 | if (flowEntry.flowEntryMatch() == null) |
| 478 | break; |
| 479 | Port inPort = new Port(flowEntry.flowEntryMatch().inPort().value()); |
| 480 | flowEntry.setInPort(inPort); |
| 481 | } while (false); |
| 482 | |
| 483 | // Set the outPort |
| 484 | do { |
| 485 | if (flowEntry.outPort() != null) |
| 486 | break; |
| 487 | for (FlowEntryAction fa : flowEntry.flowEntryActions().actions()) { |
| 488 | if (fa.actionOutput() != null) { |
| 489 | Port outPort = new Port(fa.actionOutput().port().value()); |
| 490 | flowEntry.setOutPort(outPort); |
| 491 | break; |
| 492 | } |
| 493 | } |
| 494 | } while (false); |
| 495 | } |
| 496 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 497 | } |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 498 | |
| 499 | // |
| 500 | // Automatically add all Flow ID events (for the Flows this instance |
| 501 | // is responsible for) to the collection of Flows to recompute. |
| 502 | // |
| 503 | for (EventEntry<FlowId> eventEntry : flowIdEvents) { |
| 504 | FlowId flowId = eventEntry.eventData(); |
| 505 | FlowPath flowPath = allFlowPaths.get(flowId.value()); |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 506 | if (flowPath == null) { |
| 507 | if (! topologyEvents.isEmpty()) |
| 508 | continue; // Optimization: Not my flow |
| 509 | Dpid dpid = FlowDatabaseOperation.getFlowSourceDpid(dbHandler, |
| 510 | flowId); |
| 511 | if ((dpid != null) && (mySwitches.get(dpid.value()) != null)) { |
| 512 | flowPath = FlowDatabaseOperation.getFlow(dbHandler, |
| 513 | flowId); |
| 514 | } |
| 515 | } |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 516 | if (flowPath != null) { |
| 517 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 518 | flowPath); |
| 519 | } |
| 520 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | /** |
| 524 | * Process the Flow ID events. |
| 525 | * |
| 526 | * @param mySwitches the collection of my switches. |
| 527 | * @return a collection of modified Flow Entries this instance needs |
| 528 | * to push to its own switches. |
| 529 | */ |
| 530 | private Collection<FlowEntry> processFlowIdEvents(Map<Long, IOFSwitch> mySwitches) { |
| 531 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
| 532 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 533 | // |
| 534 | // Process all Flow ID events and update the appropriate state |
| 535 | // |
| 536 | for (EventEntry<FlowId> eventEntry : flowIdEvents) { |
| 537 | FlowId flowId = eventEntry.eventData(); |
| 538 | |
| 539 | log.debug("Flow ID Event: {} {}", eventEntry.eventType(), flowId); |
| 540 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 541 | // |
| 542 | // Lookup the Flow ID in the Flows that were read from the |
| 543 | // database in in a previous step. If not found, read from |
| 544 | // the database. |
| 545 | // |
| 546 | FlowPath flowPath = allFlowPaths.get(flowId.value()); |
| 547 | if (flowPath == null) |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 548 | flowPath = FlowDatabaseOperation.getFlow(dbHandler, flowId); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 549 | if (flowPath == null) { |
| 550 | log.debug("Flow ID {} : Flow not found!", flowId); |
| 551 | continue; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 552 | } |
| 553 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 554 | // Collect only my flow entries that are not updated. |
| 555 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 556 | if (flowEntry.flowEntrySwitchState() != |
| 557 | FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED) { |
| 558 | continue; |
| 559 | } |
| 560 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 561 | if (mySwitch == null) |
| 562 | continue; |
| 563 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 564 | } |
| 565 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 566 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 567 | return modifiedFlowEntries; |
| 568 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 569 | |
| 570 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 571 | * Process the Flow Path events. |
| 572 | */ |
| 573 | private void processFlowPathEvents() { |
| 574 | // |
| 575 | // Process all Flow Path events and update the appropriate state |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 576 | // |
| 577 | for (EventEntry<FlowPath> eventEntry : flowPathEvents) { |
| 578 | FlowPath flowPath = eventEntry.eventData(); |
| 579 | |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 580 | log.debug("Flow Event: {} {}", eventEntry.eventType(), flowPath); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 581 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 582 | switch (eventEntry.eventType()) { |
| 583 | case ENTRY_ADD: { |
| 584 | // |
| 585 | // Add a new Flow Path |
| 586 | // |
| 587 | if (allFlowPaths.get(flowPath.flowId().value()) != null) { |
| 588 | // |
| 589 | // TODO: What to do if the Flow Path already exists? |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 590 | // Fow now, we just re-add it. |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 591 | // |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | switch (flowPath.flowPathType()) { |
| 595 | case FP_TYPE_SHORTEST_PATH: |
| 596 | // |
| 597 | // Reset the Data Path, in case it was set already, because |
| 598 | // we are going to recompute it anyway. |
| 599 | // |
| 600 | flowPath.flowEntries().clear(); |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 601 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 602 | flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 603 | break; |
| 604 | case FP_TYPE_EXPLICIT_PATH: |
| 605 | // |
| 606 | // Mark all Flow Entries for installation in the switches. |
| 607 | // |
| 608 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 609 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 610 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 611 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 612 | break; |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 613 | case FP_TYPE_UNKNOWN: |
| 614 | log.error("FlowPath event with unknown type"); |
| 615 | break; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 616 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 617 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 618 | |
| 619 | break; |
| 620 | } |
| 621 | |
| 622 | case ENTRY_REMOVE: { |
| 623 | // |
| 624 | // Remove an existing Flow Path. |
| 625 | // |
| 626 | // Find the Flow Path, and mark the Flow and its Flow Entries |
| 627 | // for deletion. |
| 628 | // |
| 629 | FlowPath existingFlowPath = |
| 630 | allFlowPaths.get(flowPath.flowId().value()); |
| 631 | if (existingFlowPath == null) |
| 632 | continue; // Nothing to do |
| 633 | |
| 634 | existingFlowPath.setFlowPathUserState(FlowPathUserState.FP_USER_DELETE); |
| 635 | for (FlowEntry flowEntry : existingFlowPath.flowEntries()) { |
| 636 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 637 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 638 | } |
| 639 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 640 | // Remove the Flow Path from the internal state |
| 641 | Long key = existingFlowPath.flowId().value(); |
| 642 | allFlowPaths.remove(key); |
| 643 | shouldRecomputeFlowPaths.remove(key); |
| 644 | modifiedFlowPaths.put(key, existingFlowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 645 | |
| 646 | break; |
| 647 | } |
| 648 | } |
| 649 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 650 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 651 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 652 | /** |
| 653 | * Process the Topology events. |
| 654 | */ |
| 655 | private void processTopologyEvents() { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 656 | if (enableOnrc2014MeasurementsTopology) { |
| 657 | if (topologyEvents.isEmpty()) |
| 658 | return; |
| 659 | log.debug("[BEFORE] {}", topology.toString()); |
| 660 | topology.readFromDatabase(dbHandler); |
| 661 | log.debug("[AFTER] {}", topology.toString()); |
| 662 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
| 663 | return; |
| 664 | } |
| 665 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 666 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 667 | // Process all Topology events and update the appropriate state |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 668 | // |
| 669 | boolean isTopologyModified = false; |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 670 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 671 | TopologyElement topologyElement = eventEntry.eventData(); |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 672 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 673 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
| 674 | topologyElement.toString()); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 675 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 676 | switch (eventEntry.eventType()) { |
| 677 | case ENTRY_ADD: |
| 678 | isTopologyModified |= topology.addTopologyElement(topologyElement); |
| 679 | break; |
| 680 | case ENTRY_REMOVE: |
| 681 | isTopologyModified |= topology.removeTopologyElement(topologyElement); |
| 682 | break; |
| 683 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 684 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 685 | if (isTopologyModified) { |
| 686 | // TODO: For now, if the topology changes, we recompute all Flows |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 687 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 688 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 689 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 690 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 691 | /** |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 692 | * Process previously received Flow Entries with unmatched Flow Paths. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 693 | */ |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 694 | private void processUnmatchedFlowEntryAdd() { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 695 | FlowPath flowPath; |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 696 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 697 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 698 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 699 | // Update Flow Entries with previously unmatched Flow Entry updates |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 700 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 701 | if (! unmatchedFlowEntryAdd.isEmpty()) { |
| 702 | Map<Long, FlowEntry> remainingUpdates = new HashMap<Long, FlowEntry>(); |
| 703 | for (FlowEntry flowEntry : unmatchedFlowEntryAdd.values()) { |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 704 | // log.debug("Processing Unmatched Flow Entry: {}", |
| 705 | // flowEntry.toString()); |
| 706 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 707 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 708 | if (flowPath == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 709 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 710 | flowEntry); |
| 711 | continue; |
| 712 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 713 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 714 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 715 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 716 | flowEntry); |
| 717 | continue; |
| 718 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 719 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 720 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 721 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 722 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 723 | unmatchedFlowEntryAdd = remainingUpdates; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 724 | } |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | /** |
| 728 | * Process the Flow Entry events. |
| 729 | */ |
| 730 | private void processFlowEntryEvents() { |
| 731 | FlowPath flowPath; |
| 732 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 733 | |
| 734 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 735 | // Process all Flow Entry events and update the appropriate state |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 736 | // |
| 737 | for (EventEntry<FlowEntry> eventEntry : flowEntryEvents) { |
| 738 | FlowEntry flowEntry = eventEntry.eventData(); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 739 | |
| 740 | log.debug("Flow Entry Event: {} {}", eventEntry.eventType(), |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 741 | flowEntry); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 742 | |
| 743 | if ((! flowEntry.isValidFlowId()) || |
| 744 | (! flowEntry.isValidFlowEntryId())) { |
| 745 | continue; |
| 746 | } |
| 747 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 748 | switch (eventEntry.eventType()) { |
| 749 | case ENTRY_ADD: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 750 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 751 | if (flowPath == null) { |
| 752 | // Flow Path not found: keep the entry for later matching |
| 753 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 754 | flowEntry); |
| 755 | break; |
| 756 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 757 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 758 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 759 | // Flow Entry not found: keep the entry for later matching |
| 760 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 761 | flowEntry); |
| 762 | break; |
| 763 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 764 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 765 | // Add the updated Flow Path to the list of updated paths |
| 766 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 767 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 768 | break; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 769 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 770 | case ENTRY_REMOVE: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 771 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 772 | if (unmatchedFlowEntryAdd.remove(flowEntry.flowEntryId().value()) != null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 773 | continue; // Removed previously unmatched entry |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 774 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 775 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 776 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 777 | if (flowPath == null) { |
| 778 | // Flow Path not found: ignore the update |
| 779 | break; |
| 780 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 781 | localFlowEntry = findFlowEntryRemove(flowPath, flowEntry); |
| 782 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 783 | // Flow Entry not found: ignore it |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 784 | break; |
| 785 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 786 | if (updateFlowEntryRemove(flowPath, localFlowEntry, |
| 787 | flowEntry)) { |
| 788 | // Add the updated Flow Path to the list of updated paths |
| 789 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 790 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 791 | break; |
| 792 | } |
| 793 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | /** |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 797 | * Find a Flow Entry that should be updated because of an external |
| 798 | * ENTRY_ADD event. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 799 | * |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 800 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 801 | * @param newFlowEntry the FlowEntry with the new state. |
| 802 | * @return the Flow Entry that should be updated if found, otherwise null. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 803 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 804 | private FlowEntry findFlowEntryAdd(FlowPath flowPath, |
| 805 | FlowEntry newFlowEntry) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 806 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 807 | // Iterate over all Flow Entries and find a match. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 808 | // |
| 809 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 810 | if (! TopologyManager.isSameFlowEntryDataPath(localFlowEntry, |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 811 | newFlowEntry)) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 812 | continue; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 813 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 814 | |
| 815 | // |
| 816 | // Local Flow Entry match found |
| 817 | // |
| 818 | if (localFlowEntry.isValidFlowEntryId()) { |
| 819 | if (localFlowEntry.flowEntryId().value() != |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 820 | newFlowEntry.flowEntryId().value()) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 821 | // |
| 822 | // Find a local Flow Entry, but the Flow Entry ID doesn't |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 823 | // match. Keep looking. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 824 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 825 | continue; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 826 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 827 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 828 | return localFlowEntry; |
| 829 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 830 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 831 | return null; // Entry not found |
| 832 | } |
| 833 | |
| 834 | /** |
| 835 | * Update a Flow Entry because of an external ENTRY_ADD event. |
| 836 | * |
| 837 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 838 | * @param localFlowEntry the local Flow Entry to update. |
| 839 | * @param newFlowEntry the FlowEntry with the new state. |
| 840 | * @return true if the local Flow Entry was updated, otherwise false. |
| 841 | */ |
| 842 | private boolean updateFlowEntryAdd(FlowPath flowPath, |
| 843 | FlowEntry localFlowEntry, |
| 844 | FlowEntry newFlowEntry) { |
| 845 | boolean updated = false; |
| 846 | |
| 847 | if (localFlowEntry.flowEntryUserState() == |
| 848 | FlowEntryUserState.FE_USER_DELETE) { |
| 849 | // Don't add-back a Flow Entry that is already deleted |
| 850 | return false; |
| 851 | } |
| 852 | |
| 853 | if (! localFlowEntry.isValidFlowEntryId()) { |
| 854 | // Update the Flow Entry ID |
| 855 | FlowEntryId flowEntryId = |
| 856 | new FlowEntryId(newFlowEntry.flowEntryId().value()); |
| 857 | localFlowEntry.setFlowEntryId(flowEntryId); |
| 858 | updated = true; |
| 859 | } |
| 860 | |
| 861 | // |
| 862 | // Update the local Flow Entry, and keep state to check |
| 863 | // if the Flow Path has been installed. |
| 864 | // |
| 865 | if (localFlowEntry.flowEntryUserState() != |
| 866 | newFlowEntry.flowEntryUserState()) { |
| 867 | localFlowEntry.setFlowEntryUserState( |
| 868 | newFlowEntry.flowEntryUserState()); |
| 869 | updated = true; |
| 870 | } |
| 871 | if (localFlowEntry.flowEntrySwitchState() != |
| 872 | newFlowEntry.flowEntrySwitchState()) { |
| 873 | localFlowEntry.setFlowEntrySwitchState( |
| 874 | newFlowEntry.flowEntrySwitchState()); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 875 | checkIfInstalledFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 876 | updated = true; |
| 877 | } |
| 878 | |
| 879 | return updated; |
| 880 | } |
| 881 | |
| 882 | /** |
| 883 | * Find a Flow Entry that should be updated because of an external |
| 884 | * ENTRY_REMOVE event. |
| 885 | * |
| 886 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 887 | * @param newFlowEntry the FlowEntry with the new state. |
| 888 | * @return the Flow Entry that should be updated if found, otherwise null. |
| 889 | */ |
| 890 | private FlowEntry findFlowEntryRemove(FlowPath flowPath, |
| 891 | FlowEntry newFlowEntry) { |
| 892 | // |
| 893 | // Iterate over all Flow Entries and find a match based on |
| 894 | // the Flow Entry ID. |
| 895 | // |
| 896 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
| 897 | if (! localFlowEntry.isValidFlowEntryId()) |
| 898 | continue; |
| 899 | if (localFlowEntry.flowEntryId().value() != |
| 900 | newFlowEntry.flowEntryId().value()) { |
| 901 | continue; |
| 902 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 903 | return localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 904 | } |
| 905 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 906 | return null; // Entry not found |
| 907 | } |
| 908 | |
| 909 | /** |
| 910 | * Update a Flow Entry because of an external ENTRY_REMOVE event. |
| 911 | * |
| 912 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 913 | * @param localFlowEntry the local Flow Entry to update. |
| 914 | * @param newFlowEntry the FlowEntry with the new state. |
| 915 | * @return true if the local Flow Entry was updated, otherwise false. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 916 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 917 | private boolean updateFlowEntryRemove(FlowPath flowPath, |
| 918 | FlowEntry localFlowEntry, |
| 919 | FlowEntry newFlowEntry) { |
| 920 | boolean updated = false; |
| 921 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 922 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 923 | // Update the local Flow Entry. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 924 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 925 | if (localFlowEntry.flowEntryUserState() != |
| 926 | newFlowEntry.flowEntryUserState()) { |
| 927 | localFlowEntry.setFlowEntryUserState( |
| 928 | newFlowEntry.flowEntryUserState()); |
| 929 | updated = true; |
| 930 | } |
| 931 | if (localFlowEntry.flowEntrySwitchState() != |
| 932 | newFlowEntry.flowEntrySwitchState()) { |
| 933 | localFlowEntry.setFlowEntrySwitchState( |
| 934 | newFlowEntry.flowEntrySwitchState()); |
| 935 | updated = true; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 936 | } |
| 937 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 938 | return updated; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 939 | } |
| 940 | |
| 941 | /** |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 942 | * Recompute a Flow Path. |
| 943 | * |
| 944 | * @param flowPath the Flow Path to recompute. |
| 945 | * @return true if the recomputed Flow Path has changed, otherwise false. |
| 946 | */ |
| 947 | private boolean recomputeFlowPath(FlowPath flowPath) { |
| 948 | boolean hasChanged = false; |
| 949 | |
| 950 | // |
| 951 | // Test whether the Flow Path needs to be recomputed |
| 952 | // |
| 953 | switch (flowPath.flowPathType()) { |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 954 | case FP_TYPE_UNKNOWN: |
| 955 | return false; // Can't recompute on Unknown FlowType |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 956 | case FP_TYPE_SHORTEST_PATH: |
| 957 | break; |
| 958 | case FP_TYPE_EXPLICIT_PATH: |
| 959 | return false; // An explicit path never changes |
| 960 | } |
| 961 | |
| 962 | DataPath oldDataPath = flowPath.dataPath(); |
| 963 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 964 | // Compute the new path |
| 965 | DataPath newDataPath = TopologyManager.computeNetworkPath(topology, |
| 966 | flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 967 | if (newDataPath == null) { |
| 968 | // We need the DataPath to compare the paths |
| 969 | newDataPath = new DataPath(); |
| 970 | } |
| 971 | newDataPath.applyFlowPathFlags(flowPath.flowPathFlags()); |
| 972 | |
| 973 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 974 | // Test whether the new path is same |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 975 | // |
| 976 | if (oldDataPath.flowEntries().size() != |
| 977 | newDataPath.flowEntries().size()) { |
| 978 | hasChanged = true; |
| 979 | } else { |
| 980 | Iterator<FlowEntry> oldIter = oldDataPath.flowEntries().iterator(); |
| 981 | Iterator<FlowEntry> newIter = newDataPath.flowEntries().iterator(); |
| 982 | while (oldIter.hasNext() && newIter.hasNext()) { |
| 983 | FlowEntry oldFlowEntry = oldIter.next(); |
| 984 | FlowEntry newFlowEntry = newIter.next(); |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 985 | if (! TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 986 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 987 | hasChanged = true; |
| 988 | break; |
| 989 | } |
| 990 | } |
| 991 | } |
| 992 | if (! hasChanged) |
| 993 | return hasChanged; |
| 994 | |
| 995 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 996 | // Merge the changes in the path: |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 997 | // - If a Flow Entry for a switch is in the old data path, but not |
| 998 | // in the new data path, then mark it for deletion. |
| 999 | // - If a Flow Entry for a switch is in the new data path, but not |
| 1000 | // in the old data path, then mark it for addition. |
| 1001 | // - If a Flow Entry for a switch is in both the old and the new |
| 1002 | // data path, but it has changed, e.g., the incoming and/or outgoing |
| 1003 | // port(s), then mark the old Flow Entry for deletion, and mark |
| 1004 | // the new Flow Entry for addition. |
| 1005 | // - If a Flow Entry for a switch is in both the old and the new |
| 1006 | // data path, and it hasn't changed, then just keep it. |
| 1007 | // |
| 1008 | // NOTE: We use the Switch DPID of each entry to match the entries |
| 1009 | // |
| 1010 | Map<Long, FlowEntry> oldFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1011 | Map<Long, FlowEntry> newFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1012 | ArrayList<FlowEntry> finalFlowEntries = new ArrayList<FlowEntry>(); |
| 1013 | List<FlowEntry> deletedFlowEntries = new LinkedList<FlowEntry>(); |
| 1014 | |
| 1015 | // Prepare maps with the Flow Entries, so they are fast to lookup |
| 1016 | for (FlowEntry flowEntry : oldDataPath.flowEntries()) |
| 1017 | oldFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1018 | for (FlowEntry flowEntry : newDataPath.flowEntries()) |
| 1019 | newFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1020 | |
| 1021 | // |
| 1022 | // Find the old Flow Entries that should be deleted |
| 1023 | // |
| 1024 | for (FlowEntry oldFlowEntry : oldDataPath.flowEntries()) { |
| 1025 | FlowEntry newFlowEntry = |
| 1026 | newFlowEntriesMap.get(oldFlowEntry.dpid().value()); |
| 1027 | if (newFlowEntry == null) { |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1028 | // The old Flow Entry should be deleted: not on the path |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1029 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1030 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1031 | deletedFlowEntries.add(oldFlowEntry); |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | // |
| 1036 | // Find the new Flow Entries that should be added or updated |
| 1037 | // |
| 1038 | int idx = 0; |
| 1039 | for (FlowEntry newFlowEntry : newDataPath.flowEntries()) { |
| 1040 | FlowEntry oldFlowEntry = |
| 1041 | oldFlowEntriesMap.get(newFlowEntry.dpid().value()); |
| 1042 | |
| 1043 | if ((oldFlowEntry != null) && |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1044 | TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1045 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1046 | // |
| 1047 | // Both Flow Entries are same |
| 1048 | // |
| 1049 | finalFlowEntries.add(oldFlowEntry); |
| 1050 | idx++; |
| 1051 | continue; |
| 1052 | } |
| 1053 | |
| 1054 | if (oldFlowEntry != null) { |
| 1055 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1056 | // The old Flow Entry should be deleted: path diverges |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1057 | // |
| 1058 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1059 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1060 | deletedFlowEntries.add(oldFlowEntry); |
| 1061 | } |
| 1062 | |
| 1063 | // |
| 1064 | // Add the new Flow Entry |
| 1065 | // |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1066 | // |
| 1067 | // NOTE: Assign only the Flow ID. |
| 1068 | // The Flow Entry ID is assigned later only for the Flow Entries |
| 1069 | // this instance is responsible for. |
| 1070 | // |
| 1071 | newFlowEntry.setFlowId(new FlowId(flowPath.flowId().value())); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1072 | |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1073 | // |
Pavlin Radoslavov | 6fde217 | 2013-12-10 11:23:18 -0800 | [diff] [blame] | 1074 | // Copy the Flow timeouts |
| 1075 | // |
| 1076 | newFlowEntry.setIdleTimeout(flowPath.idleTimeout()); |
| 1077 | newFlowEntry.setHardTimeout(flowPath.hardTimeout()); |
| 1078 | |
| 1079 | // |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1080 | // Allocate the FlowEntryMatch by copying the default one |
| 1081 | // from the FlowPath (if set). |
| 1082 | // |
| 1083 | FlowEntryMatch flowEntryMatch = null; |
| 1084 | if (flowPath.flowEntryMatch() != null) |
| 1085 | flowEntryMatch = new FlowEntryMatch(flowPath.flowEntryMatch()); |
| 1086 | else |
| 1087 | flowEntryMatch = new FlowEntryMatch(); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1088 | newFlowEntry.setFlowEntryMatch(flowEntryMatch); |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1089 | |
| 1090 | // Set the incoming port matching |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1091 | flowEntryMatch.enableInPort(newFlowEntry.inPort()); |
| 1092 | |
| 1093 | // |
| 1094 | // Set the actions: |
| 1095 | // If the first Flow Entry, copy the Flow Path actions to it. |
| 1096 | // |
| 1097 | FlowEntryActions flowEntryActions = newFlowEntry.flowEntryActions(); |
| 1098 | if ((idx == 0) && (flowPath.flowEntryActions() != null)) { |
| 1099 | FlowEntryActions flowActions = |
| 1100 | new FlowEntryActions(flowPath.flowEntryActions()); |
| 1101 | for (FlowEntryAction action : flowActions.actions()) |
| 1102 | flowEntryActions.addAction(action); |
| 1103 | } |
| 1104 | idx++; |
| 1105 | |
| 1106 | // |
| 1107 | // Add the outgoing port output action |
| 1108 | // |
| 1109 | FlowEntryAction flowEntryAction = new FlowEntryAction(); |
| 1110 | flowEntryAction.setActionOutput(newFlowEntry.outPort()); |
| 1111 | flowEntryActions.addAction(flowEntryAction); |
| 1112 | |
| 1113 | // |
| 1114 | // Set the state of the new Flow Entry |
| 1115 | // |
| 1116 | newFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_ADD); |
| 1117 | newFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1118 | finalFlowEntries.add(newFlowEntry); |
| 1119 | } |
| 1120 | |
| 1121 | // |
| 1122 | // Replace the old Flow Entries with the new Flow Entries. |
| 1123 | // Note that the Flow Entries that will be deleted are added at |
| 1124 | // the end. |
| 1125 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1126 | finalFlowEntries.addAll(deletedFlowEntries); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1127 | flowPath.dataPath().setFlowEntries(finalFlowEntries); |
| 1128 | |
| 1129 | return hasChanged; |
| 1130 | } |
| 1131 | |
| 1132 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1133 | * Receive a notification that a Flow is added. |
| 1134 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1135 | * @param flowPath the Flow that is added. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1136 | */ |
| 1137 | @Override |
| 1138 | public void notificationRecvFlowAdded(FlowPath flowPath) { |
| 1139 | EventEntry<FlowPath> eventEntry = |
| 1140 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1141 | networkEvents.add(eventEntry); |
| 1142 | } |
| 1143 | |
| 1144 | /** |
| 1145 | * Receive a notification that a Flow is removed. |
| 1146 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1147 | * @param flowPath the Flow that is removed. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1148 | */ |
| 1149 | @Override |
| 1150 | public void notificationRecvFlowRemoved(FlowPath flowPath) { |
| 1151 | EventEntry<FlowPath> eventEntry = |
| 1152 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_REMOVE, flowPath); |
| 1153 | networkEvents.add(eventEntry); |
| 1154 | } |
| 1155 | |
| 1156 | /** |
| 1157 | * Receive a notification that a Flow is updated. |
| 1158 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1159 | * @param flowPath the Flow that is updated. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1160 | */ |
| 1161 | @Override |
| 1162 | public void notificationRecvFlowUpdated(FlowPath flowPath) { |
| 1163 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1164 | EventEntry<FlowPath> eventEntry = |
| 1165 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1166 | networkEvents.add(eventEntry); |
| 1167 | } |
| 1168 | |
| 1169 | /** |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1170 | * Receive a notification that a FlowEntry is added. |
| 1171 | * |
| 1172 | * @param flowEntry the FlowEntry that is added. |
| 1173 | */ |
| 1174 | @Override |
| 1175 | public void notificationRecvFlowEntryAdded(FlowEntry flowEntry) { |
| 1176 | EventEntry<FlowEntry> eventEntry = |
| 1177 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1178 | networkEvents.add(eventEntry); |
| 1179 | } |
| 1180 | |
| 1181 | /** |
| 1182 | * Receive a notification that a FlowEntry is removed. |
| 1183 | * |
| 1184 | * @param flowEntry the FlowEntry that is removed. |
| 1185 | */ |
| 1186 | @Override |
| 1187 | public void notificationRecvFlowEntryRemoved(FlowEntry flowEntry) { |
| 1188 | EventEntry<FlowEntry> eventEntry = |
| 1189 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_REMOVE, flowEntry); |
| 1190 | networkEvents.add(eventEntry); |
| 1191 | } |
| 1192 | |
| 1193 | /** |
| 1194 | * Receive a notification that a FlowEntry is updated. |
| 1195 | * |
| 1196 | * @param flowEntry the FlowEntry that is updated. |
| 1197 | */ |
| 1198 | @Override |
| 1199 | public void notificationRecvFlowEntryUpdated(FlowEntry flowEntry) { |
| 1200 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1201 | EventEntry<FlowEntry> eventEntry = |
| 1202 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1203 | networkEvents.add(eventEntry); |
| 1204 | } |
| 1205 | |
| 1206 | /** |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1207 | * Receive a notification that a FlowId is added. |
| 1208 | * |
| 1209 | * @param flowId the FlowId that is added. |
| 1210 | */ |
| 1211 | @Override |
| 1212 | public void notificationRecvFlowIdAdded(FlowId flowId) { |
| 1213 | EventEntry<FlowId> eventEntry = |
| 1214 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_ADD, flowId); |
| 1215 | networkEvents.add(eventEntry); |
| 1216 | } |
| 1217 | |
| 1218 | /** |
| 1219 | * Receive a notification that a FlowId is removed. |
| 1220 | * |
| 1221 | * @param flowId the FlowId that is removed. |
| 1222 | */ |
| 1223 | @Override |
| 1224 | public void notificationRecvFlowIdRemoved(FlowId flowId) { |
| 1225 | EventEntry<FlowId> eventEntry = |
| 1226 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_REMOVE, flowId); |
| 1227 | networkEvents.add(eventEntry); |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * Receive a notification that a FlowId is updated. |
| 1232 | * |
| 1233 | * @param flowId the FlowId that is updated. |
| 1234 | */ |
| 1235 | @Override |
| 1236 | public void notificationRecvFlowIdUpdated(FlowId flowId) { |
| 1237 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1238 | EventEntry<FlowId> eventEntry = |
| 1239 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_ADD, flowId); |
| 1240 | networkEvents.add(eventEntry); |
| 1241 | } |
| 1242 | |
| 1243 | /** |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1244 | * Receive a notification that a FlowEntryId is added. |
| 1245 | * |
| 1246 | * @param flowEntryId the FlowEntryId that is added. |
| 1247 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1248 | */ |
| 1249 | @Override |
| 1250 | public void notificationRecvFlowEntryIdAdded(FlowEntryId flowEntryId, |
| 1251 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 1252 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1253 | |
| 1254 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1255 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1256 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1257 | } |
| 1258 | |
| 1259 | /** |
| 1260 | * Receive a notification that a FlowEntryId is removed. |
| 1261 | * |
| 1262 | * @param flowEntryId the FlowEntryId that is removed. |
| 1263 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1264 | */ |
| 1265 | @Override |
| 1266 | public void notificationRecvFlowEntryIdRemoved(FlowEntryId flowEntryId, |
| 1267 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 1268 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1269 | |
| 1270 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1271 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_REMOVE, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1272 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1273 | } |
| 1274 | |
| 1275 | /** |
| 1276 | * Receive a notification that a FlowEntryId is updated. |
| 1277 | * |
| 1278 | * @param flowEntryId the FlowEntryId that is updated. |
| 1279 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1280 | */ |
| 1281 | @Override |
| 1282 | public void notificationRecvFlowEntryIdUpdated(FlowEntryId flowEntryId, |
| 1283 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 1284 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1285 | |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1286 | // NOTE: The ADD and UPDATE events are processed in same way |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame^] | 1287 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1288 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1289 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1290 | } |
| 1291 | |
| 1292 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1293 | * Receive a notification that a Topology Element is added. |
| 1294 | * |
| 1295 | * @param topologyElement the Topology Element that is added. |
| 1296 | */ |
| 1297 | @Override |
| 1298 | public void notificationRecvTopologyElementAdded(TopologyElement topologyElement) { |
| 1299 | EventEntry<TopologyElement> eventEntry = |
| 1300 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1301 | networkEvents.add(eventEntry); |
| 1302 | } |
| 1303 | |
| 1304 | /** |
| 1305 | * Receive a notification that a Topology Element is removed. |
| 1306 | * |
| 1307 | * @param topologyElement the Topology Element that is removed. |
| 1308 | */ |
| 1309 | @Override |
| 1310 | public void notificationRecvTopologyElementRemoved(TopologyElement topologyElement) { |
| 1311 | EventEntry<TopologyElement> eventEntry = |
| 1312 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_REMOVE, topologyElement); |
| 1313 | networkEvents.add(eventEntry); |
| 1314 | } |
| 1315 | |
| 1316 | /** |
| 1317 | * Receive a notification that a Topology Element is updated. |
| 1318 | * |
| 1319 | * @param topologyElement the Topology Element that is updated. |
| 1320 | */ |
| 1321 | @Override |
| 1322 | public void notificationRecvTopologyElementUpdated(TopologyElement topologyElement) { |
| 1323 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1324 | EventEntry<TopologyElement> eventEntry = |
| 1325 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1326 | networkEvents.add(eventEntry); |
| 1327 | } |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 1328 | |
| 1329 | /** |
| 1330 | * Get a sorted copy of all Flow Paths. |
| 1331 | * |
| 1332 | * @return a sorted copy of all Flow Paths. |
| 1333 | */ |
| 1334 | synchronized SortedMap<Long, FlowPath> getAllFlowPathsCopy() { |
| 1335 | SortedMap<Long, FlowPath> sortedFlowPaths = |
| 1336 | new TreeMap<Long, FlowPath>(); |
| 1337 | |
| 1338 | // |
| 1339 | // TODO: For now we use serialization/deserialization to create |
| 1340 | // a copy of each Flow Path. In the future, we should use proper |
| 1341 | // copy constructors. |
| 1342 | // |
| 1343 | Kryo kryo = kryoFactory.newKryo(); |
| 1344 | synchronized (allFlowPaths) { |
| 1345 | for (Map.Entry<Long, FlowPath> entry : allFlowPaths.entrySet()) { |
| 1346 | FlowPath origFlowPath = entry.getValue(); |
| 1347 | FlowPath copyFlowPath = kryo.copy(origFlowPath); |
| 1348 | sortedFlowPaths.put(entry.getKey(), copyFlowPath); |
| 1349 | } |
| 1350 | } |
| 1351 | kryoFactory.deleteKryo(kryo); |
| 1352 | |
| 1353 | return sortedFlowPaths; |
| 1354 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1355 | } |