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; |
Naoki Shiota | f74d5f3 | 2014-01-09 21:29:38 -0800 | [diff] [blame^] | 11 | import java.util.Timer; |
| 12 | import java.util.TimerTask; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 13 | import java.util.TreeMap; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 14 | import java.util.concurrent.BlockingQueue; |
| 15 | import java.util.concurrent.LinkedBlockingQueue; |
| 16 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 17 | import net.floodlightcontroller.core.IOFSwitch; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 18 | import net.onrc.onos.datagrid.IDatagridService; |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 19 | import net.onrc.onos.graph.GraphDBOperation; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 20 | import net.onrc.onos.ofcontroller.topology.Topology; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 21 | import net.onrc.onos.ofcontroller.topology.TopologyElement; |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 22 | import net.onrc.onos.ofcontroller.topology.TopologyManager; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 23 | import net.onrc.onos.ofcontroller.util.DataPath; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 24 | import net.onrc.onos.ofcontroller.util.Dpid; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 25 | import net.onrc.onos.ofcontroller.util.EventEntry; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 26 | import net.onrc.onos.ofcontroller.util.FlowEntry; |
| 27 | import net.onrc.onos.ofcontroller.util.FlowEntryAction; |
| 28 | import net.onrc.onos.ofcontroller.util.FlowEntryActions; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 29 | import net.onrc.onos.ofcontroller.util.FlowEntryId; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 30 | import net.onrc.onos.ofcontroller.util.FlowEntryMatch; |
| 31 | import net.onrc.onos.ofcontroller.util.FlowEntrySwitchState; |
| 32 | import net.onrc.onos.ofcontroller.util.FlowEntryUserState; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 33 | import net.onrc.onos.ofcontroller.util.FlowId; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 34 | import net.onrc.onos.ofcontroller.util.FlowPath; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 35 | import net.onrc.onos.ofcontroller.util.FlowPathUserState; |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 36 | import net.onrc.onos.ofcontroller.util.Pair; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 37 | import net.onrc.onos.ofcontroller.util.Port; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 38 | import net.onrc.onos.ofcontroller.util.serializers.KryoFactory; |
| 39 | |
| 40 | import com.esotericsoftware.kryo2.Kryo; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 41 | |
| 42 | import org.slf4j.Logger; |
| 43 | import org.slf4j.LoggerFactory; |
| 44 | |
| 45 | /** |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 46 | * Class for FlowPath Maintenance. |
| 47 | * This class listens for FlowEvents to: |
| 48 | * - Maintain a local cache of the Network Topology. |
| 49 | * - Detect FlowPaths impacted by Topology change. |
| 50 | * - Recompute impacted FlowPath using cached Topology. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 51 | */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 52 | class FlowEventHandler extends Thread implements IFlowEventHandlerService { |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 53 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 54 | private boolean enableOnrc2014MeasurementsFlows = true; |
| 55 | private boolean enableOnrc2014MeasurementsTopology = true; |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 56 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 57 | /** The logger. */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 58 | private final static Logger log = LoggerFactory.getLogger(FlowEventHandler.class); |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 59 | |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 60 | private GraphDBOperation dbHandler; |
Naoki Shiota | f74d5f3 | 2014-01-09 21:29:38 -0800 | [diff] [blame^] | 61 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 62 | private FlowManager flowManager; // The Flow Manager to use |
| 63 | private IDatagridService datagridService; // The Datagrid Service to use |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 64 | private Topology topology; // The network topology |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 65 | private KryoFactory kryoFactory = new KryoFactory(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 66 | |
| 67 | // The queue with Flow Path and Topology Element updates |
| 68 | private BlockingQueue<EventEntry<?>> networkEvents = |
| 69 | new LinkedBlockingQueue<EventEntry<?>>(); |
| 70 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 71 | // The pending Topology, FlowPath, and FlowEntry events |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 72 | private List<EventEntry<TopologyElement>> topologyEvents = |
| 73 | new LinkedList<EventEntry<TopologyElement>>(); |
| 74 | private List<EventEntry<FlowPath>> flowPathEvents = |
| 75 | new LinkedList<EventEntry<FlowPath>>(); |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 76 | private List<EventEntry<FlowEntry>> flowEntryEvents = |
| 77 | new LinkedList<EventEntry<FlowEntry>>(); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 78 | private List<EventEntry<FlowId>> flowIdEvents = |
| 79 | new LinkedList<EventEntry<FlowId>>(); |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 80 | private List<EventEntry<Pair<FlowEntryId, Dpid>>> flowEntryIdEvents = |
| 81 | new LinkedList<EventEntry<Pair<FlowEntryId, Dpid>>>(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 82 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 83 | // All internally computed Flow Paths |
| 84 | private Map<Long, FlowPath> allFlowPaths = new HashMap<Long, FlowPath>(); |
| 85 | |
| 86 | // The Flow Entries received as notifications with unmatched Flow Paths |
| 87 | private Map<Long, FlowEntry> unmatchedFlowEntryAdd = |
| 88 | new HashMap<Long, FlowEntry>(); |
| 89 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 90 | // |
| 91 | // Transient state for processing the Flow Paths: |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 92 | // - The Flow Paths that should be recomputed |
| 93 | // - The Flow Paths with modified Flow Entries |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 94 | // - The Flow Paths that we should check if installed in all switches |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 95 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 96 | private Map<Long, FlowPath> shouldRecomputeFlowPaths = |
| 97 | new HashMap<Long, FlowPath>(); |
| 98 | private Map<Long, FlowPath> modifiedFlowPaths = |
| 99 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 100 | private Map<Long, FlowPath> checkIfInstalledFlowPaths = |
| 101 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 102 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 103 | /** |
| 104 | * Constructor for a given Flow Manager and Datagrid Service. |
| 105 | * |
| 106 | * @param flowManager the Flow Manager to use. |
| 107 | * @param datagridService the Datagrid Service to use. |
| 108 | */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 109 | FlowEventHandler(FlowManager flowManager, |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 110 | IDatagridService datagridService) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 111 | this.flowManager = flowManager; |
| 112 | this.datagridService = datagridService; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 113 | this.topology = new Topology(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | /** |
Pavlin Radoslavov | ed0f4a8 | 2013-11-04 16:38:36 -0800 | [diff] [blame] | 117 | * Get the network topology. |
| 118 | * |
| 119 | * @return the network topology. |
| 120 | */ |
| 121 | protected Topology getTopology() { return this.topology; } |
| 122 | |
| 123 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 124 | * Startup processing. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 125 | */ |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 126 | private void startup() { |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 127 | this.dbHandler = new GraphDBOperation(""); |
| 128 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 129 | // |
| 130 | // Obtain the initial Topology state |
| 131 | // |
| 132 | Collection<TopologyElement> topologyElements = |
| 133 | datagridService.getAllTopologyElements(); |
| 134 | for (TopologyElement topologyElement : topologyElements) { |
| 135 | EventEntry<TopologyElement> eventEntry = |
| 136 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 137 | topologyEvents.add(eventEntry); |
| 138 | } |
| 139 | // |
| 140 | // Obtain the initial Flow Path state |
| 141 | // |
| 142 | Collection<FlowPath> flowPaths = datagridService.getAllFlows(); |
| 143 | for (FlowPath flowPath : flowPaths) { |
| 144 | EventEntry<FlowPath> eventEntry = |
| 145 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 146 | flowPathEvents.add(eventEntry); |
| 147 | } |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 148 | // |
| 149 | // Obtain the initial FlowEntry state |
| 150 | // |
| 151 | Collection<FlowEntry> flowEntries = datagridService.getAllFlowEntries(); |
| 152 | for (FlowEntry flowEntry : flowEntries) { |
| 153 | EventEntry<FlowEntry> eventEntry = |
| 154 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 155 | flowEntryEvents.add(eventEntry); |
| 156 | } |
| 157 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 158 | // |
| 159 | // Obtain the initial FlowId state |
| 160 | // |
| 161 | Collection<FlowId> flowIds = datagridService.getAllFlowIds(); |
| 162 | for (FlowId flowId : flowIds) { |
| 163 | EventEntry<FlowId> eventEntry = |
| 164 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_ADD, flowId); |
| 165 | flowIdEvents.add(eventEntry); |
| 166 | } |
| 167 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 168 | // |
| 169 | // Obtain the initial FlowEntryId state |
| 170 | // |
| 171 | Collection<Pair<FlowEntryId, Dpid>> flowEntryIds = |
| 172 | datagridService.getAllFlowEntryIds(); |
| 173 | for (Pair<FlowEntryId, Dpid> pair : flowEntryIds) { |
| 174 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 175 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, pair); |
| 176 | flowEntryIdEvents.add(eventEntry); |
| 177 | } |
| 178 | |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 179 | // Process the initial events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 180 | synchronized (allFlowPaths) { |
| 181 | processEvents(); |
| 182 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Run the thread. |
| 187 | */ |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 188 | @Override |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 189 | public void run() { |
Yuta HIGUCHI | 61509a4 | 2013-12-17 10:41:04 -0800 | [diff] [blame] | 190 | this.setName("FlowEventHandler " + this.getId()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 191 | startup(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 192 | |
| 193 | // |
| 194 | // The main loop |
| 195 | // |
| 196 | Collection<EventEntry<?>> collection = new LinkedList<EventEntry<?>>(); |
| 197 | try { |
| 198 | while (true) { |
| 199 | EventEntry<?> eventEntry = networkEvents.take(); |
| 200 | collection.add(eventEntry); |
| 201 | networkEvents.drainTo(collection); |
| 202 | |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 203 | // |
| 204 | // Demultiplex all events: |
| 205 | // - EventEntry<TopologyElement> |
| 206 | // - EventEntry<FlowPath> |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 207 | // - EventEntry<FlowEntry> |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 208 | // - EventEntry<FlowId> |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 209 | // - EventEntry<Pair<FlowEntryId, Dpid>> |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 210 | // |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 211 | for (EventEntry<?> event : collection) { |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 212 | // Topology event |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 213 | if (event.eventData() instanceof TopologyElement) { |
| 214 | EventEntry<TopologyElement> topologyEventEntry = |
| 215 | (EventEntry<TopologyElement>)event; |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 216 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 217 | topologyEvents.add(topologyEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 218 | continue; |
| 219 | } |
| 220 | |
| 221 | // FlowPath event |
| 222 | if (event.eventData() instanceof FlowPath) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 223 | EventEntry<FlowPath> flowPathEventEntry = |
| 224 | (EventEntry<FlowPath>)event; |
| 225 | flowPathEvents.add(flowPathEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 226 | continue; |
| 227 | } |
| 228 | |
| 229 | // FlowEntry event |
| 230 | if (event.eventData() instanceof FlowEntry) { |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 231 | EventEntry<FlowEntry> flowEntryEventEntry = |
| 232 | (EventEntry<FlowEntry>)event; |
| 233 | flowEntryEvents.add(flowEntryEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 234 | continue; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 235 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 236 | |
| 237 | // FlowId event |
| 238 | if (event.eventData() instanceof FlowId) { |
| 239 | EventEntry<FlowId> flowIdEventEntry = |
| 240 | (EventEntry<FlowId>)event; |
| 241 | flowIdEvents.add(flowIdEventEntry); |
| 242 | continue; |
| 243 | } |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 244 | // FlowEntryId event |
| 245 | if (event.eventData() instanceof Pair) { |
| 246 | EventEntry<Pair<FlowEntryId, Dpid>> flowEntryIdEventEntry = |
| 247 | (EventEntry<Pair<FlowEntryId, Dpid>>)event; |
| 248 | flowEntryIdEvents.add(flowEntryIdEventEntry); |
| 249 | continue; |
| 250 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 251 | } |
| 252 | collection.clear(); |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 253 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 254 | // Process the events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 255 | synchronized (allFlowPaths) { |
| 256 | processEvents(); |
| 257 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 258 | } |
| 259 | } catch (Exception exception) { |
| 260 | log.debug("Exception processing Network Events: ", exception); |
| 261 | } |
| 262 | } |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 263 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 264 | /** |
| 265 | * Process the events (if any) |
| 266 | */ |
| 267 | private void processEvents() { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 268 | Collection<FlowEntry> modifiedFlowEntries; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 269 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 270 | if (enableOnrc2014MeasurementsFlows) { |
| 271 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 272 | if (topologyEvents.isEmpty() && flowIdEvents.isEmpty() && |
| 273 | flowEntryIdEvents.isEmpty()) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 274 | return; // Nothing to do |
| 275 | } |
| 276 | |
| 277 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 278 | |
| 279 | // Fetch and prepare my flows |
| 280 | prepareMyFlows(mySwitches); |
| 281 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 282 | // Process the Flow ID events |
| 283 | processFlowIdEvents(mySwitches); |
| 284 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 285 | // Fetch the topology |
| 286 | processTopologyEvents(); |
| 287 | |
| 288 | // Recompute all affected Flow Paths and keep only the modified |
| 289 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
| 290 | if (recomputeFlowPath(flowPath)) |
| 291 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 292 | } |
| 293 | |
| 294 | // Assign the Flow Entry ID as needed |
| 295 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 296 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 297 | if (! flowEntry.isValidFlowEntryId()) { |
| 298 | long id = flowManager.getNextFlowEntryId(); |
| 299 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | // Extract my modified Flow Entries |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 305 | modifiedFlowEntries = processFlowEntryIdEvents(mySwitches); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 306 | |
| 307 | // |
| 308 | // Push the modified state to the Flow Manager |
| 309 | // |
| 310 | flowManager.pushModifiedFlowState(modifiedFlowPaths.values(), |
| 311 | modifiedFlowEntries); |
| 312 | |
| 313 | // Cleanup |
| 314 | topologyEvents.clear(); |
| 315 | flowIdEvents.clear(); |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 316 | flowEntryIdEvents.clear(); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 317 | // |
| 318 | allFlowPaths.clear(); |
| 319 | shouldRecomputeFlowPaths.clear(); |
| 320 | modifiedFlowPaths.clear(); |
| 321 | |
| 322 | return; |
| 323 | } |
| 324 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 325 | if (topologyEvents.isEmpty() && flowPathEvents.isEmpty() && |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 326 | flowEntryEvents.isEmpty()) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 327 | return; // Nothing to do |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 328 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 329 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 330 | processFlowPathEvents(); |
| 331 | processTopologyEvents(); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 332 | processUnmatchedFlowEntryAdd(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 333 | processFlowEntryEvents(); |
| 334 | |
| 335 | // Recompute all affected Flow Paths and keep only the modified |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 336 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 337 | if (recomputeFlowPath(flowPath)) |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 338 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 339 | } |
| 340 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 341 | // Extract the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 342 | modifiedFlowEntries = extractModifiedFlowEntries(modifiedFlowPaths.values()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 343 | |
| 344 | // Assign missing Flow Entry IDs |
| 345 | assignFlowEntryId(modifiedFlowEntries); |
| 346 | |
| 347 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 348 | // Push the modified state to the Flow Manager |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 349 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 350 | flowManager.pushModifiedFlowState(modifiedFlowPaths.values(), |
| 351 | modifiedFlowEntries); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 352 | |
| 353 | // |
| 354 | // Remove Flow Entries that were deleted |
| 355 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 356 | for (FlowPath flowPath : modifiedFlowPaths.values()) |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 357 | flowPath.dataPath().removeDeletedFlowEntries(); |
| 358 | |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 359 | // |
| 360 | // Check if Flow Paths have been installed into all switches, |
| 361 | // and generate the appropriate events. |
| 362 | // |
| 363 | checkInstalledFlowPaths(checkIfInstalledFlowPaths.values()); |
| 364 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 365 | // Cleanup |
| 366 | topologyEvents.clear(); |
| 367 | flowPathEvents.clear(); |
| 368 | flowEntryEvents.clear(); |
| 369 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 370 | shouldRecomputeFlowPaths.clear(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 371 | modifiedFlowPaths.clear(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 372 | checkIfInstalledFlowPaths.clear(); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Check if Flow Paths have been installed into all switches, |
| 377 | * and generate the appropriate events. |
| 378 | * |
| 379 | * @param flowPaths the flowPaths to process. |
| 380 | */ |
| 381 | private void checkInstalledFlowPaths(Collection<FlowPath> flowPaths) { |
| 382 | List<FlowPath> installedFlowPaths = new LinkedList<FlowPath>(); |
| 383 | |
| 384 | Kryo kryo = kryoFactory.newKryo(); |
| 385 | |
| 386 | for (FlowPath flowPath : flowPaths) { |
| 387 | boolean isInstalled = true; |
| 388 | |
| 389 | // |
| 390 | // Check whether all Flow Entries have been installed |
| 391 | // |
| 392 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 393 | if (flowEntry.flowEntrySwitchState() != |
| 394 | FlowEntrySwitchState.FE_SWITCH_UPDATED) { |
| 395 | isInstalled = false; |
| 396 | break; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | if (isInstalled) { |
| 401 | // Create a copy and add it to the list |
| 402 | FlowPath copyFlowPath = kryo.copy(flowPath); |
| 403 | installedFlowPaths.add(copyFlowPath); |
| 404 | } |
| 405 | } |
| 406 | kryoFactory.deleteKryo(kryo); |
| 407 | |
| 408 | // Generate an event for the installed Flow Path. |
| 409 | flowManager.notificationFlowPathsInstalled(installedFlowPaths); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Extract the modified Flow Entries. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 414 | * |
| 415 | * @param modifiedFlowPaths the Flow Paths to process. |
| 416 | * @return a collection with the modified Flow Entries. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 417 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 418 | private Collection<FlowEntry> extractModifiedFlowEntries( |
| 419 | Collection<FlowPath> modifiedFlowPaths) { |
| 420 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 421 | |
| 422 | // Extract only the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 423 | for (FlowPath flowPath : modifiedFlowPaths) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 424 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 425 | if (flowEntry.flowEntrySwitchState() == |
| 426 | FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED) { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 427 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 428 | } |
| 429 | } |
| 430 | } |
| 431 | return modifiedFlowEntries; |
| 432 | } |
| 433 | |
| 434 | /** |
| 435 | * Assign the Flow Entry ID as needed. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 436 | * |
| 437 | * @param modifiedFlowEnries the collection of Flow Entries that need |
| 438 | * Flow Entry ID assigned. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 439 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 440 | private void assignFlowEntryId(Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 441 | if (modifiedFlowEntries.isEmpty()) |
| 442 | return; |
| 443 | |
| 444 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 445 | |
| 446 | // |
| 447 | // Assign the Flow Entry ID only for Flow Entries for my switches |
| 448 | // |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 449 | for (FlowEntry flowEntry : modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 450 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 451 | if (mySwitch == null) |
| 452 | continue; |
| 453 | if (! flowEntry.isValidFlowEntryId()) { |
| 454 | long id = flowManager.getNextFlowEntryId(); |
| 455 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | /** |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 461 | * Prepare my flows. |
| 462 | * |
| 463 | * @param mySwitches the collection of my switches. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 464 | */ |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 465 | private void prepareMyFlows(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 466 | if (! topologyEvents.isEmpty()) { |
| 467 | // Fetch my flows from the database |
| 468 | ArrayList<FlowPath> myFlows = FlowDatabaseOperation.getAllMyFlows(dbHandler, mySwitches); |
| 469 | for (FlowPath flowPath : myFlows) { |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 470 | log.debug("Found my flow: {}", flowPath); |
| 471 | |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 472 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 473 | |
| 474 | // |
| 475 | // TODO: Bug workaround / fix : |
| 476 | // method FlowDatabaseOperation.extractFlowEntry() doesn't |
| 477 | // fetch the inPort and outPort, hence we assign them here. |
| 478 | // |
| 479 | // Assign the inPort and outPort for the Flow Entries |
| 480 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 481 | // Set the inPort |
| 482 | do { |
| 483 | if (flowEntry.inPort() != null) |
| 484 | break; |
| 485 | if (flowEntry.flowEntryMatch() == null) |
| 486 | break; |
| 487 | Port inPort = new Port(flowEntry.flowEntryMatch().inPort().value()); |
| 488 | flowEntry.setInPort(inPort); |
| 489 | } while (false); |
| 490 | |
| 491 | // Set the outPort |
| 492 | do { |
| 493 | if (flowEntry.outPort() != null) |
| 494 | break; |
| 495 | for (FlowEntryAction fa : flowEntry.flowEntryActions().actions()) { |
| 496 | if (fa.actionOutput() != null) { |
| 497 | Port outPort = new Port(fa.actionOutput().port().value()); |
| 498 | flowEntry.setOutPort(outPort); |
| 499 | break; |
| 500 | } |
| 501 | } |
| 502 | } while (false); |
| 503 | } |
| 504 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 505 | } |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 506 | } |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 507 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 508 | /** |
| 509 | * Process the Flow ID events. |
| 510 | * |
| 511 | * @param mySwitches the collection of my switches. |
| 512 | */ |
| 513 | private void processFlowIdEvents(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 514 | // |
| 515 | // Automatically add all Flow ID events (for the Flows this instance |
| 516 | // is responsible for) to the collection of Flows to recompute. |
| 517 | // |
| 518 | for (EventEntry<FlowId> eventEntry : flowIdEvents) { |
| 519 | FlowId flowId = eventEntry.eventData(); |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 520 | |
| 521 | log.debug("Flow ID Event: {} {}", eventEntry.eventType(), flowId); |
| 522 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 523 | FlowPath flowPath = allFlowPaths.get(flowId.value()); |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 524 | if (flowPath == null) { |
| 525 | if (! topologyEvents.isEmpty()) |
| 526 | continue; // Optimization: Not my flow |
| 527 | Dpid dpid = FlowDatabaseOperation.getFlowSourceDpid(dbHandler, |
| 528 | flowId); |
| 529 | if ((dpid != null) && (mySwitches.get(dpid.value()) != null)) { |
| 530 | flowPath = FlowDatabaseOperation.getFlow(dbHandler, |
| 531 | flowId); |
| 532 | } |
| 533 | } |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 534 | if (flowPath != null) { |
| 535 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 536 | flowPath); |
| 537 | } |
| 538 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | /** |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 542 | * Process the Flow Entry ID events. |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 543 | * |
| 544 | * @param mySwitches the collection of my switches. |
| 545 | * @return a collection of modified Flow Entries this instance needs |
| 546 | * to push to its own switches. |
| 547 | */ |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 548 | private Collection<FlowEntry> processFlowEntryIdEvents(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 549 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
| 550 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 551 | // |
| 552 | // Process all Flow ID events and update the appropriate state |
| 553 | // |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 554 | for (EventEntry<Pair<FlowEntryId, Dpid>> eventEntry : flowEntryIdEvents) { |
| 555 | Pair<FlowEntryId, Dpid> pair = eventEntry.eventData(); |
| 556 | FlowEntryId flowEntryId = pair.first; |
| 557 | Dpid dpid = pair.second; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 558 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 559 | log.debug("Flow Entry ID Event: {} {} {}", eventEntry.eventType(), |
| 560 | flowEntryId, dpid); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 561 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 562 | if (mySwitches.get(dpid.value()) == null) |
| 563 | continue; |
| 564 | |
| 565 | // Fetch the Flow Entry |
| 566 | FlowEntry flowEntry = FlowDatabaseOperation.getFlowEntry(dbHandler, |
| 567 | flowEntryId); |
| 568 | if (flowEntry == null) { |
| 569 | log.debug("Flow Entry ID {} : Flow Entry not found!", |
| 570 | flowEntryId); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 571 | continue; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 572 | } |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 573 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 574 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 575 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 576 | return modifiedFlowEntries; |
| 577 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 578 | |
| 579 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 580 | * Process the Flow Path events. |
| 581 | */ |
| 582 | private void processFlowPathEvents() { |
| 583 | // |
| 584 | // Process all Flow Path events and update the appropriate state |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 585 | // |
| 586 | for (EventEntry<FlowPath> eventEntry : flowPathEvents) { |
| 587 | FlowPath flowPath = eventEntry.eventData(); |
| 588 | |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 589 | log.debug("Flow Event: {} {}", eventEntry.eventType(), flowPath); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 590 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 591 | switch (eventEntry.eventType()) { |
| 592 | case ENTRY_ADD: { |
| 593 | // |
| 594 | // Add a new Flow Path |
| 595 | // |
| 596 | if (allFlowPaths.get(flowPath.flowId().value()) != null) { |
| 597 | // |
| 598 | // TODO: What to do if the Flow Path already exists? |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 599 | // Fow now, we just re-add it. |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 600 | // |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | switch (flowPath.flowPathType()) { |
| 604 | case FP_TYPE_SHORTEST_PATH: |
| 605 | // |
| 606 | // Reset the Data Path, in case it was set already, because |
| 607 | // we are going to recompute it anyway. |
| 608 | // |
| 609 | flowPath.flowEntries().clear(); |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 610 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 611 | flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 612 | break; |
| 613 | case FP_TYPE_EXPLICIT_PATH: |
| 614 | // |
| 615 | // Mark all Flow Entries for installation in the switches. |
| 616 | // |
| 617 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 618 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 619 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 620 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 621 | break; |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 622 | case FP_TYPE_UNKNOWN: |
| 623 | log.error("FlowPath event with unknown type"); |
| 624 | break; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 625 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 626 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 627 | |
| 628 | break; |
| 629 | } |
| 630 | |
| 631 | case ENTRY_REMOVE: { |
| 632 | // |
| 633 | // Remove an existing Flow Path. |
| 634 | // |
| 635 | // Find the Flow Path, and mark the Flow and its Flow Entries |
| 636 | // for deletion. |
| 637 | // |
| 638 | FlowPath existingFlowPath = |
| 639 | allFlowPaths.get(flowPath.flowId().value()); |
| 640 | if (existingFlowPath == null) |
| 641 | continue; // Nothing to do |
| 642 | |
| 643 | existingFlowPath.setFlowPathUserState(FlowPathUserState.FP_USER_DELETE); |
| 644 | for (FlowEntry flowEntry : existingFlowPath.flowEntries()) { |
| 645 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 646 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 647 | } |
| 648 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 649 | // Remove the Flow Path from the internal state |
| 650 | Long key = existingFlowPath.flowId().value(); |
| 651 | allFlowPaths.remove(key); |
| 652 | shouldRecomputeFlowPaths.remove(key); |
| 653 | modifiedFlowPaths.put(key, existingFlowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 654 | |
| 655 | break; |
| 656 | } |
| 657 | } |
| 658 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 659 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 660 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 661 | /** |
| 662 | * Process the Topology events. |
| 663 | */ |
| 664 | private void processTopologyEvents() { |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 665 | boolean isTopologyModified = false; |
| 666 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 667 | if (enableOnrc2014MeasurementsTopology) { |
| 668 | if (topologyEvents.isEmpty()) |
| 669 | return; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 670 | |
Pavlin Radoslavov | 2a8b9de | 2014-01-09 15:58:32 -0800 | [diff] [blame] | 671 | // TODO: Code for debugging purpose only |
| 672 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 673 | TopologyElement topologyElement = eventEntry.eventData(); |
| 674 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
| 675 | topologyElement.toString()); |
| 676 | } |
| 677 | |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 678 | log.debug("[BEFORE] {}", topology.toString()); |
| 679 | |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 680 | // |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 681 | // TODO: Fake the unconditional topology read by checking the cache |
| 682 | // with the old topology and ignoring topology events that don't |
| 683 | // make any impact to the topology. |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 684 | // This is needed aa workaround: if a port is down, we get |
| 685 | // up to three additional "Port Down" or "Link Down" events. |
| 686 | // |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 687 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 688 | TopologyElement topologyElement = eventEntry.eventData(); |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 689 | |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 690 | switch (eventEntry.eventType()) { |
| 691 | case ENTRY_ADD: |
| 692 | isTopologyModified |= topology.addTopologyElement(topologyElement); |
| 693 | break; |
| 694 | case ENTRY_REMOVE: |
| 695 | isTopologyModified |= topology.removeTopologyElement(topologyElement); |
| 696 | break; |
| 697 | } |
| 698 | if (isTopologyModified) |
| 699 | break; |
| 700 | } |
| 701 | if (! isTopologyModified) { |
| 702 | log.debug("Ignoring topology events that don't modify the topology"); |
| 703 | return; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 704 | } |
| 705 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 706 | topology.readFromDatabase(dbHandler); |
| 707 | log.debug("[AFTER] {}", topology.toString()); |
| 708 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
| 709 | return; |
| 710 | } |
| 711 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 712 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 713 | // Process all Topology events and update the appropriate state |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 714 | // |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 715 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 716 | TopologyElement topologyElement = eventEntry.eventData(); |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 717 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 718 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
| 719 | topologyElement.toString()); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 720 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 721 | switch (eventEntry.eventType()) { |
| 722 | case ENTRY_ADD: |
Naoki Shiota | f74d5f3 | 2014-01-09 21:29:38 -0800 | [diff] [blame^] | 723 | synchronized (topology) { |
| 724 | isTopologyModified |= topology.addTopologyElement(topologyElement); |
| 725 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 726 | break; |
| 727 | case ENTRY_REMOVE: |
Naoki Shiota | f74d5f3 | 2014-01-09 21:29:38 -0800 | [diff] [blame^] | 728 | synchronized (topology) { |
| 729 | isTopologyModified |= topology.removeTopologyElement(topologyElement); |
| 730 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 731 | break; |
| 732 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 733 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 734 | if (isTopologyModified) { |
| 735 | // TODO: For now, if the topology changes, we recompute all Flows |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 736 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 737 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 738 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 739 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 740 | /** |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 741 | * Process previously received Flow Entries with unmatched Flow Paths. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 742 | */ |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 743 | private void processUnmatchedFlowEntryAdd() { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 744 | FlowPath flowPath; |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 745 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 746 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 747 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 748 | // Update Flow Entries with previously unmatched Flow Entry updates |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 749 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 750 | if (! unmatchedFlowEntryAdd.isEmpty()) { |
| 751 | Map<Long, FlowEntry> remainingUpdates = new HashMap<Long, FlowEntry>(); |
| 752 | for (FlowEntry flowEntry : unmatchedFlowEntryAdd.values()) { |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 753 | // log.debug("Processing Unmatched Flow Entry: {}", |
| 754 | // flowEntry.toString()); |
| 755 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 756 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 757 | if (flowPath == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 758 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 759 | flowEntry); |
| 760 | continue; |
| 761 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 762 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 763 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 764 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 765 | flowEntry); |
| 766 | continue; |
| 767 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 768 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 769 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 770 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 771 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 772 | unmatchedFlowEntryAdd = remainingUpdates; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 773 | } |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | /** |
| 777 | * Process the Flow Entry events. |
| 778 | */ |
| 779 | private void processFlowEntryEvents() { |
| 780 | FlowPath flowPath; |
| 781 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 782 | |
| 783 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 784 | // Process all Flow Entry events and update the appropriate state |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 785 | // |
| 786 | for (EventEntry<FlowEntry> eventEntry : flowEntryEvents) { |
| 787 | FlowEntry flowEntry = eventEntry.eventData(); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 788 | |
| 789 | log.debug("Flow Entry Event: {} {}", eventEntry.eventType(), |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 790 | flowEntry); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 791 | |
| 792 | if ((! flowEntry.isValidFlowId()) || |
| 793 | (! flowEntry.isValidFlowEntryId())) { |
| 794 | continue; |
| 795 | } |
| 796 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 797 | switch (eventEntry.eventType()) { |
| 798 | case ENTRY_ADD: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 799 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 800 | if (flowPath == null) { |
| 801 | // Flow Path not found: keep the entry for later matching |
| 802 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 803 | flowEntry); |
| 804 | break; |
| 805 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 806 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 807 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 808 | // Flow Entry not found: keep the entry for later matching |
| 809 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 810 | flowEntry); |
| 811 | break; |
| 812 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 813 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 814 | // Add the updated Flow Path to the list of updated paths |
| 815 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 816 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 817 | break; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 818 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 819 | case ENTRY_REMOVE: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 820 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 821 | if (unmatchedFlowEntryAdd.remove(flowEntry.flowEntryId().value()) != null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 822 | continue; // Removed previously unmatched entry |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 823 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 824 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 825 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 826 | if (flowPath == null) { |
| 827 | // Flow Path not found: ignore the update |
| 828 | break; |
| 829 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 830 | localFlowEntry = findFlowEntryRemove(flowPath, flowEntry); |
| 831 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 832 | // Flow Entry not found: ignore it |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 833 | break; |
| 834 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 835 | if (updateFlowEntryRemove(flowPath, localFlowEntry, |
| 836 | flowEntry)) { |
| 837 | // Add the updated Flow Path to the list of updated paths |
| 838 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 839 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 840 | break; |
| 841 | } |
| 842 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | /** |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 846 | * Find a Flow Entry that should be updated because of an external |
| 847 | * ENTRY_ADD event. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 848 | * |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 849 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 850 | * @param newFlowEntry the FlowEntry with the new state. |
| 851 | * @return the Flow Entry that should be updated if found, otherwise null. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 852 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 853 | private FlowEntry findFlowEntryAdd(FlowPath flowPath, |
| 854 | FlowEntry newFlowEntry) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 855 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 856 | // Iterate over all Flow Entries and find a match. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 857 | // |
| 858 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 859 | if (! TopologyManager.isSameFlowEntryDataPath(localFlowEntry, |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 860 | newFlowEntry)) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 861 | continue; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 862 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 863 | |
| 864 | // |
| 865 | // Local Flow Entry match found |
| 866 | // |
| 867 | if (localFlowEntry.isValidFlowEntryId()) { |
| 868 | if (localFlowEntry.flowEntryId().value() != |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 869 | newFlowEntry.flowEntryId().value()) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 870 | // |
| 871 | // Find a local Flow Entry, but the Flow Entry ID doesn't |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 872 | // match. Keep looking. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 873 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 874 | continue; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 875 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 876 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 877 | return localFlowEntry; |
| 878 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 879 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 880 | return null; // Entry not found |
| 881 | } |
| 882 | |
| 883 | /** |
| 884 | * Update a Flow Entry because of an external ENTRY_ADD event. |
| 885 | * |
| 886 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 887 | * @param localFlowEntry the local Flow Entry to update. |
| 888 | * @param newFlowEntry the FlowEntry with the new state. |
| 889 | * @return true if the local Flow Entry was updated, otherwise false. |
| 890 | */ |
| 891 | private boolean updateFlowEntryAdd(FlowPath flowPath, |
| 892 | FlowEntry localFlowEntry, |
| 893 | FlowEntry newFlowEntry) { |
| 894 | boolean updated = false; |
| 895 | |
| 896 | if (localFlowEntry.flowEntryUserState() == |
| 897 | FlowEntryUserState.FE_USER_DELETE) { |
| 898 | // Don't add-back a Flow Entry that is already deleted |
| 899 | return false; |
| 900 | } |
| 901 | |
| 902 | if (! localFlowEntry.isValidFlowEntryId()) { |
| 903 | // Update the Flow Entry ID |
| 904 | FlowEntryId flowEntryId = |
| 905 | new FlowEntryId(newFlowEntry.flowEntryId().value()); |
| 906 | localFlowEntry.setFlowEntryId(flowEntryId); |
| 907 | updated = true; |
| 908 | } |
| 909 | |
| 910 | // |
| 911 | // Update the local Flow Entry, and keep state to check |
| 912 | // if the Flow Path has been installed. |
| 913 | // |
| 914 | if (localFlowEntry.flowEntryUserState() != |
| 915 | newFlowEntry.flowEntryUserState()) { |
| 916 | localFlowEntry.setFlowEntryUserState( |
| 917 | newFlowEntry.flowEntryUserState()); |
| 918 | updated = true; |
| 919 | } |
| 920 | if (localFlowEntry.flowEntrySwitchState() != |
| 921 | newFlowEntry.flowEntrySwitchState()) { |
| 922 | localFlowEntry.setFlowEntrySwitchState( |
| 923 | newFlowEntry.flowEntrySwitchState()); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 924 | checkIfInstalledFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 925 | updated = true; |
| 926 | } |
| 927 | |
| 928 | return updated; |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Find a Flow Entry that should be updated because of an external |
| 933 | * ENTRY_REMOVE event. |
| 934 | * |
| 935 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 936 | * @param newFlowEntry the FlowEntry with the new state. |
| 937 | * @return the Flow Entry that should be updated if found, otherwise null. |
| 938 | */ |
| 939 | private FlowEntry findFlowEntryRemove(FlowPath flowPath, |
| 940 | FlowEntry newFlowEntry) { |
| 941 | // |
| 942 | // Iterate over all Flow Entries and find a match based on |
| 943 | // the Flow Entry ID. |
| 944 | // |
| 945 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
| 946 | if (! localFlowEntry.isValidFlowEntryId()) |
| 947 | continue; |
| 948 | if (localFlowEntry.flowEntryId().value() != |
| 949 | newFlowEntry.flowEntryId().value()) { |
| 950 | continue; |
| 951 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 952 | return localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 953 | } |
| 954 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 955 | return null; // Entry not found |
| 956 | } |
| 957 | |
| 958 | /** |
| 959 | * Update a Flow Entry because of an external ENTRY_REMOVE event. |
| 960 | * |
| 961 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 962 | * @param localFlowEntry the local Flow Entry to update. |
| 963 | * @param newFlowEntry the FlowEntry with the new state. |
| 964 | * @return true if the local Flow Entry was updated, otherwise false. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 965 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 966 | private boolean updateFlowEntryRemove(FlowPath flowPath, |
| 967 | FlowEntry localFlowEntry, |
| 968 | FlowEntry newFlowEntry) { |
| 969 | boolean updated = false; |
| 970 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 971 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 972 | // Update the local Flow Entry. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 973 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 974 | if (localFlowEntry.flowEntryUserState() != |
| 975 | newFlowEntry.flowEntryUserState()) { |
| 976 | localFlowEntry.setFlowEntryUserState( |
| 977 | newFlowEntry.flowEntryUserState()); |
| 978 | updated = true; |
| 979 | } |
| 980 | if (localFlowEntry.flowEntrySwitchState() != |
| 981 | newFlowEntry.flowEntrySwitchState()) { |
| 982 | localFlowEntry.setFlowEntrySwitchState( |
| 983 | newFlowEntry.flowEntrySwitchState()); |
| 984 | updated = true; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 985 | } |
| 986 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 987 | return updated; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | /** |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 991 | * Recompute a Flow Path. |
| 992 | * |
| 993 | * @param flowPath the Flow Path to recompute. |
| 994 | * @return true if the recomputed Flow Path has changed, otherwise false. |
| 995 | */ |
| 996 | private boolean recomputeFlowPath(FlowPath flowPath) { |
| 997 | boolean hasChanged = false; |
| 998 | |
Pavlin Radoslavov | 7bf837a | 2014-01-09 14:22:05 -0800 | [diff] [blame] | 999 | if (enableOnrc2014MeasurementsFlows) { |
| 1000 | // Cleanup the deleted Flow Entries from the earlier iteration |
| 1001 | flowPath.dataPath().removeDeletedFlowEntries(); |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 1002 | |
| 1003 | // |
| 1004 | // TODO: Fake it that the Flow Entries have been already pushed |
| 1005 | // into the switches, so we don't push them again. |
| 1006 | // |
| 1007 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 1008 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_UPDATED); |
| 1009 | } |
Pavlin Radoslavov | 7bf837a | 2014-01-09 14:22:05 -0800 | [diff] [blame] | 1010 | } |
| 1011 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1012 | // |
| 1013 | // Test whether the Flow Path needs to be recomputed |
| 1014 | // |
| 1015 | switch (flowPath.flowPathType()) { |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 1016 | case FP_TYPE_UNKNOWN: |
| 1017 | return false; // Can't recompute on Unknown FlowType |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1018 | case FP_TYPE_SHORTEST_PATH: |
| 1019 | break; |
| 1020 | case FP_TYPE_EXPLICIT_PATH: |
| 1021 | return false; // An explicit path never changes |
| 1022 | } |
| 1023 | |
| 1024 | DataPath oldDataPath = flowPath.dataPath(); |
| 1025 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1026 | // Compute the new path |
Naoki Shiota | f74d5f3 | 2014-01-09 21:29:38 -0800 | [diff] [blame^] | 1027 | DataPath newDataPath; |
| 1028 | synchronized (topology) { |
| 1029 | newDataPath = TopologyManager.computeNetworkPath(topology, |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1030 | flowPath); |
Naoki Shiota | f74d5f3 | 2014-01-09 21:29:38 -0800 | [diff] [blame^] | 1031 | } |
| 1032 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1033 | if (newDataPath == null) { |
| 1034 | // We need the DataPath to compare the paths |
| 1035 | newDataPath = new DataPath(); |
| 1036 | } |
| 1037 | newDataPath.applyFlowPathFlags(flowPath.flowPathFlags()); |
| 1038 | |
| 1039 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1040 | // Test whether the new path is same |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1041 | // |
| 1042 | if (oldDataPath.flowEntries().size() != |
| 1043 | newDataPath.flowEntries().size()) { |
| 1044 | hasChanged = true; |
| 1045 | } else { |
| 1046 | Iterator<FlowEntry> oldIter = oldDataPath.flowEntries().iterator(); |
| 1047 | Iterator<FlowEntry> newIter = newDataPath.flowEntries().iterator(); |
| 1048 | while (oldIter.hasNext() && newIter.hasNext()) { |
| 1049 | FlowEntry oldFlowEntry = oldIter.next(); |
| 1050 | FlowEntry newFlowEntry = newIter.next(); |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1051 | if (! TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1052 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1053 | hasChanged = true; |
| 1054 | break; |
| 1055 | } |
| 1056 | } |
| 1057 | } |
| 1058 | if (! hasChanged) |
| 1059 | return hasChanged; |
| 1060 | |
| 1061 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1062 | // Merge the changes in the path: |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1063 | // - If a Flow Entry for a switch is in the old data path, but not |
| 1064 | // in the new data path, then mark it for deletion. |
| 1065 | // - If a Flow Entry for a switch is in the new data path, but not |
| 1066 | // in the old data path, then mark it for addition. |
| 1067 | // - If a Flow Entry for a switch is in both the old and the new |
| 1068 | // data path, but it has changed, e.g., the incoming and/or outgoing |
| 1069 | // port(s), then mark the old Flow Entry for deletion, and mark |
| 1070 | // the new Flow Entry for addition. |
| 1071 | // - If a Flow Entry for a switch is in both the old and the new |
| 1072 | // data path, and it hasn't changed, then just keep it. |
| 1073 | // |
| 1074 | // NOTE: We use the Switch DPID of each entry to match the entries |
| 1075 | // |
| 1076 | Map<Long, FlowEntry> oldFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1077 | Map<Long, FlowEntry> newFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1078 | ArrayList<FlowEntry> finalFlowEntries = new ArrayList<FlowEntry>(); |
| 1079 | List<FlowEntry> deletedFlowEntries = new LinkedList<FlowEntry>(); |
| 1080 | |
| 1081 | // Prepare maps with the Flow Entries, so they are fast to lookup |
| 1082 | for (FlowEntry flowEntry : oldDataPath.flowEntries()) |
| 1083 | oldFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1084 | for (FlowEntry flowEntry : newDataPath.flowEntries()) |
| 1085 | newFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1086 | |
| 1087 | // |
| 1088 | // Find the old Flow Entries that should be deleted |
| 1089 | // |
| 1090 | for (FlowEntry oldFlowEntry : oldDataPath.flowEntries()) { |
| 1091 | FlowEntry newFlowEntry = |
| 1092 | newFlowEntriesMap.get(oldFlowEntry.dpid().value()); |
| 1093 | if (newFlowEntry == null) { |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1094 | // The old Flow Entry should be deleted: not on the path |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1095 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1096 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1097 | deletedFlowEntries.add(oldFlowEntry); |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | // |
| 1102 | // Find the new Flow Entries that should be added or updated |
| 1103 | // |
| 1104 | int idx = 0; |
| 1105 | for (FlowEntry newFlowEntry : newDataPath.flowEntries()) { |
| 1106 | FlowEntry oldFlowEntry = |
| 1107 | oldFlowEntriesMap.get(newFlowEntry.dpid().value()); |
| 1108 | |
| 1109 | if ((oldFlowEntry != null) && |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1110 | TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1111 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1112 | // |
| 1113 | // Both Flow Entries are same |
| 1114 | // |
| 1115 | finalFlowEntries.add(oldFlowEntry); |
| 1116 | idx++; |
| 1117 | continue; |
| 1118 | } |
| 1119 | |
| 1120 | if (oldFlowEntry != null) { |
| 1121 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1122 | // The old Flow Entry should be deleted: path diverges |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1123 | // |
| 1124 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1125 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1126 | deletedFlowEntries.add(oldFlowEntry); |
| 1127 | } |
| 1128 | |
| 1129 | // |
| 1130 | // Add the new Flow Entry |
| 1131 | // |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1132 | // |
| 1133 | // NOTE: Assign only the Flow ID. |
| 1134 | // The Flow Entry ID is assigned later only for the Flow Entries |
| 1135 | // this instance is responsible for. |
| 1136 | // |
| 1137 | newFlowEntry.setFlowId(new FlowId(flowPath.flowId().value())); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1138 | |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1139 | // |
Pavlin Radoslavov | 6fde217 | 2013-12-10 11:23:18 -0800 | [diff] [blame] | 1140 | // Copy the Flow timeouts |
| 1141 | // |
| 1142 | newFlowEntry.setIdleTimeout(flowPath.idleTimeout()); |
| 1143 | newFlowEntry.setHardTimeout(flowPath.hardTimeout()); |
| 1144 | |
| 1145 | // |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1146 | // Allocate the FlowEntryMatch by copying the default one |
| 1147 | // from the FlowPath (if set). |
| 1148 | // |
| 1149 | FlowEntryMatch flowEntryMatch = null; |
| 1150 | if (flowPath.flowEntryMatch() != null) |
| 1151 | flowEntryMatch = new FlowEntryMatch(flowPath.flowEntryMatch()); |
| 1152 | else |
| 1153 | flowEntryMatch = new FlowEntryMatch(); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1154 | newFlowEntry.setFlowEntryMatch(flowEntryMatch); |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1155 | |
| 1156 | // Set the incoming port matching |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1157 | flowEntryMatch.enableInPort(newFlowEntry.inPort()); |
| 1158 | |
| 1159 | // |
| 1160 | // Set the actions: |
| 1161 | // If the first Flow Entry, copy the Flow Path actions to it. |
| 1162 | // |
| 1163 | FlowEntryActions flowEntryActions = newFlowEntry.flowEntryActions(); |
| 1164 | if ((idx == 0) && (flowPath.flowEntryActions() != null)) { |
| 1165 | FlowEntryActions flowActions = |
| 1166 | new FlowEntryActions(flowPath.flowEntryActions()); |
| 1167 | for (FlowEntryAction action : flowActions.actions()) |
| 1168 | flowEntryActions.addAction(action); |
| 1169 | } |
| 1170 | idx++; |
| 1171 | |
| 1172 | // |
| 1173 | // Add the outgoing port output action |
| 1174 | // |
| 1175 | FlowEntryAction flowEntryAction = new FlowEntryAction(); |
| 1176 | flowEntryAction.setActionOutput(newFlowEntry.outPort()); |
| 1177 | flowEntryActions.addAction(flowEntryAction); |
| 1178 | |
| 1179 | // |
| 1180 | // Set the state of the new Flow Entry |
| 1181 | // |
| 1182 | newFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_ADD); |
| 1183 | newFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1184 | finalFlowEntries.add(newFlowEntry); |
| 1185 | } |
| 1186 | |
| 1187 | // |
| 1188 | // Replace the old Flow Entries with the new Flow Entries. |
| 1189 | // Note that the Flow Entries that will be deleted are added at |
| 1190 | // the end. |
| 1191 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1192 | finalFlowEntries.addAll(deletedFlowEntries); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1193 | flowPath.dataPath().setFlowEntries(finalFlowEntries); |
| 1194 | |
| 1195 | return hasChanged; |
| 1196 | } |
| 1197 | |
| 1198 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1199 | * Receive a notification that a Flow is added. |
| 1200 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1201 | * @param flowPath the Flow that is added. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1202 | */ |
| 1203 | @Override |
| 1204 | public void notificationRecvFlowAdded(FlowPath flowPath) { |
| 1205 | EventEntry<FlowPath> eventEntry = |
| 1206 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1207 | networkEvents.add(eventEntry); |
| 1208 | } |
| 1209 | |
| 1210 | /** |
| 1211 | * Receive a notification that a Flow is removed. |
| 1212 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1213 | * @param flowPath the Flow that is removed. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1214 | */ |
| 1215 | @Override |
| 1216 | public void notificationRecvFlowRemoved(FlowPath flowPath) { |
| 1217 | EventEntry<FlowPath> eventEntry = |
| 1218 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_REMOVE, flowPath); |
| 1219 | networkEvents.add(eventEntry); |
| 1220 | } |
| 1221 | |
| 1222 | /** |
| 1223 | * Receive a notification that a Flow is updated. |
| 1224 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1225 | * @param flowPath the Flow that is updated. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1226 | */ |
| 1227 | @Override |
| 1228 | public void notificationRecvFlowUpdated(FlowPath flowPath) { |
| 1229 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1230 | EventEntry<FlowPath> eventEntry = |
| 1231 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1232 | networkEvents.add(eventEntry); |
| 1233 | } |
| 1234 | |
| 1235 | /** |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1236 | * Receive a notification that a FlowEntry is added. |
| 1237 | * |
| 1238 | * @param flowEntry the FlowEntry that is added. |
| 1239 | */ |
| 1240 | @Override |
| 1241 | public void notificationRecvFlowEntryAdded(FlowEntry flowEntry) { |
| 1242 | EventEntry<FlowEntry> eventEntry = |
| 1243 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1244 | networkEvents.add(eventEntry); |
| 1245 | } |
| 1246 | |
| 1247 | /** |
| 1248 | * Receive a notification that a FlowEntry is removed. |
| 1249 | * |
| 1250 | * @param flowEntry the FlowEntry that is removed. |
| 1251 | */ |
| 1252 | @Override |
| 1253 | public void notificationRecvFlowEntryRemoved(FlowEntry flowEntry) { |
| 1254 | EventEntry<FlowEntry> eventEntry = |
| 1255 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_REMOVE, flowEntry); |
| 1256 | networkEvents.add(eventEntry); |
| 1257 | } |
| 1258 | |
| 1259 | /** |
| 1260 | * Receive a notification that a FlowEntry is updated. |
| 1261 | * |
| 1262 | * @param flowEntry the FlowEntry that is updated. |
| 1263 | */ |
| 1264 | @Override |
| 1265 | public void notificationRecvFlowEntryUpdated(FlowEntry flowEntry) { |
| 1266 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1267 | EventEntry<FlowEntry> eventEntry = |
| 1268 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1269 | networkEvents.add(eventEntry); |
| 1270 | } |
| 1271 | |
| 1272 | /** |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1273 | * Receive a notification that a FlowId is added. |
| 1274 | * |
| 1275 | * @param flowId the FlowId that is added. |
| 1276 | */ |
| 1277 | @Override |
| 1278 | public void notificationRecvFlowIdAdded(FlowId flowId) { |
| 1279 | EventEntry<FlowId> eventEntry = |
| 1280 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_ADD, flowId); |
| 1281 | networkEvents.add(eventEntry); |
| 1282 | } |
| 1283 | |
| 1284 | /** |
| 1285 | * Receive a notification that a FlowId is removed. |
| 1286 | * |
| 1287 | * @param flowId the FlowId that is removed. |
| 1288 | */ |
| 1289 | @Override |
| 1290 | public void notificationRecvFlowIdRemoved(FlowId flowId) { |
| 1291 | EventEntry<FlowId> eventEntry = |
| 1292 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_REMOVE, flowId); |
| 1293 | networkEvents.add(eventEntry); |
| 1294 | } |
| 1295 | |
| 1296 | /** |
| 1297 | * Receive a notification that a FlowId is updated. |
| 1298 | * |
| 1299 | * @param flowId the FlowId that is updated. |
| 1300 | */ |
| 1301 | @Override |
| 1302 | public void notificationRecvFlowIdUpdated(FlowId flowId) { |
| 1303 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1304 | EventEntry<FlowId> eventEntry = |
| 1305 | new EventEntry<FlowId>(EventEntry.Type.ENTRY_ADD, flowId); |
| 1306 | networkEvents.add(eventEntry); |
| 1307 | } |
| 1308 | |
| 1309 | /** |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1310 | * Receive a notification that a FlowEntryId is added. |
| 1311 | * |
| 1312 | * @param flowEntryId the FlowEntryId that is added. |
| 1313 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1314 | */ |
| 1315 | @Override |
| 1316 | public void notificationRecvFlowEntryIdAdded(FlowEntryId flowEntryId, |
| 1317 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1318 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1319 | |
| 1320 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1321 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1322 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1323 | } |
| 1324 | |
| 1325 | /** |
| 1326 | * Receive a notification that a FlowEntryId is removed. |
| 1327 | * |
| 1328 | * @param flowEntryId the FlowEntryId that is removed. |
| 1329 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1330 | */ |
| 1331 | @Override |
| 1332 | public void notificationRecvFlowEntryIdRemoved(FlowEntryId flowEntryId, |
| 1333 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1334 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1335 | |
| 1336 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1337 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_REMOVE, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1338 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1339 | } |
| 1340 | |
| 1341 | /** |
| 1342 | * Receive a notification that a FlowEntryId is updated. |
| 1343 | * |
| 1344 | * @param flowEntryId the FlowEntryId that is updated. |
| 1345 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1346 | */ |
| 1347 | @Override |
| 1348 | public void notificationRecvFlowEntryIdUpdated(FlowEntryId flowEntryId, |
| 1349 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1350 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1351 | |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1352 | // NOTE: The ADD and UPDATE events are processed in same way |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1353 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1354 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1355 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1356 | } |
| 1357 | |
| 1358 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1359 | * Receive a notification that a Topology Element is added. |
| 1360 | * |
| 1361 | * @param topologyElement the Topology Element that is added. |
| 1362 | */ |
| 1363 | @Override |
| 1364 | public void notificationRecvTopologyElementAdded(TopologyElement topologyElement) { |
| 1365 | EventEntry<TopologyElement> eventEntry = |
| 1366 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1367 | networkEvents.add(eventEntry); |
| 1368 | } |
| 1369 | |
| 1370 | /** |
| 1371 | * Receive a notification that a Topology Element is removed. |
| 1372 | * |
| 1373 | * @param topologyElement the Topology Element that is removed. |
| 1374 | */ |
| 1375 | @Override |
| 1376 | public void notificationRecvTopologyElementRemoved(TopologyElement topologyElement) { |
| 1377 | EventEntry<TopologyElement> eventEntry = |
| 1378 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_REMOVE, topologyElement); |
| 1379 | networkEvents.add(eventEntry); |
| 1380 | } |
| 1381 | |
| 1382 | /** |
| 1383 | * Receive a notification that a Topology Element is updated. |
| 1384 | * |
| 1385 | * @param topologyElement the Topology Element that is updated. |
| 1386 | */ |
| 1387 | @Override |
| 1388 | public void notificationRecvTopologyElementUpdated(TopologyElement topologyElement) { |
| 1389 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1390 | EventEntry<TopologyElement> eventEntry = |
| 1391 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1392 | networkEvents.add(eventEntry); |
| 1393 | } |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 1394 | |
| 1395 | /** |
| 1396 | * Get a sorted copy of all Flow Paths. |
| 1397 | * |
| 1398 | * @return a sorted copy of all Flow Paths. |
| 1399 | */ |
| 1400 | synchronized SortedMap<Long, FlowPath> getAllFlowPathsCopy() { |
| 1401 | SortedMap<Long, FlowPath> sortedFlowPaths = |
| 1402 | new TreeMap<Long, FlowPath>(); |
| 1403 | |
| 1404 | // |
| 1405 | // TODO: For now we use serialization/deserialization to create |
| 1406 | // a copy of each Flow Path. In the future, we should use proper |
| 1407 | // copy constructors. |
| 1408 | // |
| 1409 | Kryo kryo = kryoFactory.newKryo(); |
| 1410 | synchronized (allFlowPaths) { |
| 1411 | for (Map.Entry<Long, FlowPath> entry : allFlowPaths.entrySet()) { |
| 1412 | FlowPath origFlowPath = entry.getValue(); |
| 1413 | FlowPath copyFlowPath = kryo.copy(origFlowPath); |
| 1414 | sortedFlowPaths.put(entry.getKey(), copyFlowPath); |
| 1415 | } |
| 1416 | } |
| 1417 | kryoFactory.deleteKryo(kryo); |
| 1418 | |
| 1419 | return sortedFlowPaths; |
| 1420 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1421 | } |