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