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; |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -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 | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 18 | import net.floodlightcontroller.core.IOFSwitchListener; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 19 | import net.onrc.onos.datagrid.IDatagridService; |
Yuta HIGUCHI | 337e46d | 2014-01-10 22:49:27 -0800 | [diff] [blame^] | 20 | import net.onrc.onos.graph.DBOperation; |
| 21 | import net.onrc.onos.graph.GraphDBManager; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 22 | import net.onrc.onos.ofcontroller.topology.Topology; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 23 | import net.onrc.onos.ofcontroller.topology.TopologyElement; |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 24 | import net.onrc.onos.ofcontroller.topology.TopologyManager; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 25 | import net.onrc.onos.ofcontroller.util.DataPath; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 26 | import net.onrc.onos.ofcontroller.util.Dpid; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 27 | import net.onrc.onos.ofcontroller.util.EventEntry; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 28 | import net.onrc.onos.ofcontroller.util.FlowEntry; |
| 29 | import net.onrc.onos.ofcontroller.util.FlowEntryAction; |
| 30 | import net.onrc.onos.ofcontroller.util.FlowEntryActions; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 31 | import net.onrc.onos.ofcontroller.util.FlowEntryId; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 32 | import net.onrc.onos.ofcontroller.util.FlowEntryMatch; |
| 33 | import net.onrc.onos.ofcontroller.util.FlowEntrySwitchState; |
| 34 | import net.onrc.onos.ofcontroller.util.FlowEntryUserState; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 35 | import net.onrc.onos.ofcontroller.util.FlowId; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 36 | import net.onrc.onos.ofcontroller.util.FlowPath; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 37 | import net.onrc.onos.ofcontroller.util.FlowPathUserState; |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 38 | import net.onrc.onos.ofcontroller.util.Pair; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 39 | import net.onrc.onos.ofcontroller.util.Port; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 40 | import net.onrc.onos.ofcontroller.util.serializers.KryoFactory; |
| 41 | |
| 42 | import com.esotericsoftware.kryo2.Kryo; |
Yuta HIGUCHI | e5ef387 | 2014-01-07 12:35:59 -0800 | [diff] [blame] | 43 | import com.tinkerpop.blueprints.impls.ramcloud.PerfMon; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 44 | |
| 45 | import org.slf4j.Logger; |
| 46 | import org.slf4j.LoggerFactory; |
| 47 | |
| 48 | /** |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 49 | * Class for FlowPath Maintenance. |
| 50 | * This class listens for FlowEvents to: |
| 51 | * - Maintain a local cache of the Network Topology. |
| 52 | * - Detect FlowPaths impacted by Topology change. |
| 53 | * - Recompute impacted FlowPath using cached Topology. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 54 | */ |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 55 | class FlowEventHandler extends Thread implements IFlowEventHandlerService, |
| 56 | IOFSwitchListener { |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 57 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 58 | private boolean enableOnrc2014MeasurementsFlows = true; |
| 59 | private boolean enableOnrc2014MeasurementsTopology = true; |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 60 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 61 | /** The logger. */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 62 | private final static Logger log = LoggerFactory.getLogger(FlowEventHandler.class); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 63 | |
Yuta HIGUCHI | 337e46d | 2014-01-10 22:49:27 -0800 | [diff] [blame^] | 64 | private DBOperation dbHandler; |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 65 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 66 | private FlowManager flowManager; // The Flow Manager to use |
| 67 | private IDatagridService datagridService; // The Datagrid Service to use |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 68 | private Topology topology; // The network topology |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 69 | private KryoFactory kryoFactory = new KryoFactory(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 70 | |
| 71 | // The queue with Flow Path and Topology Element updates |
| 72 | private BlockingQueue<EventEntry<?>> networkEvents = |
| 73 | new LinkedBlockingQueue<EventEntry<?>>(); |
| 74 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 75 | // The pending Topology, FlowPath, and FlowEntry events |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 76 | private List<EventEntry<TopologyElement>> topologyEvents = |
| 77 | new LinkedList<EventEntry<TopologyElement>>(); |
| 78 | private List<EventEntry<FlowPath>> flowPathEvents = |
| 79 | new LinkedList<EventEntry<FlowPath>>(); |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 80 | private List<EventEntry<FlowEntry>> flowEntryEvents = |
| 81 | new LinkedList<EventEntry<FlowEntry>>(); |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 82 | private List<EventEntry<Pair<FlowId, Dpid>>> flowIdEvents = |
| 83 | new LinkedList<EventEntry<Pair<FlowId, Dpid>>>(); |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 84 | private List<EventEntry<Pair<FlowEntryId, Dpid>>> flowEntryIdEvents = |
| 85 | new LinkedList<EventEntry<Pair<FlowEntryId, Dpid>>>(); |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 86 | private List<EventEntry<Dpid>> switchDpidEvents = |
| 87 | new LinkedList<EventEntry<Dpid>>(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 88 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 89 | // All internally computed Flow Paths |
| 90 | private Map<Long, FlowPath> allFlowPaths = new HashMap<Long, FlowPath>(); |
| 91 | |
| 92 | // The Flow Entries received as notifications with unmatched Flow Paths |
| 93 | private Map<Long, FlowEntry> unmatchedFlowEntryAdd = |
| 94 | new HashMap<Long, FlowEntry>(); |
| 95 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 96 | // |
| 97 | // Transient state for processing the Flow Paths: |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 98 | // - The Flow Paths that should be recomputed |
| 99 | // - The Flow Paths with modified Flow Entries |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 100 | // - The Flow Paths that we should check if installed in all switches |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 101 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 102 | private Map<Long, FlowPath> shouldRecomputeFlowPaths = |
| 103 | new HashMap<Long, FlowPath>(); |
| 104 | private Map<Long, FlowPath> modifiedFlowPaths = |
| 105 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 106 | private Map<Long, FlowPath> checkIfInstalledFlowPaths = |
| 107 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 108 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 109 | /** |
| 110 | * Constructor for a given Flow Manager and Datagrid Service. |
| 111 | * |
| 112 | * @param flowManager the Flow Manager to use. |
| 113 | * @param datagridService the Datagrid Service to use. |
| 114 | */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 115 | FlowEventHandler(FlowManager flowManager, |
| 116 | IDatagridService datagridService) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 117 | this.flowManager = flowManager; |
| 118 | this.datagridService = datagridService; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 119 | this.topology = new Topology(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | /** |
Pavlin Radoslavov | ed0f4a8 | 2013-11-04 16:38:36 -0800 | [diff] [blame] | 123 | * Get the network topology. |
| 124 | * |
| 125 | * @return the network topology. |
| 126 | */ |
| 127 | protected Topology getTopology() { return this.topology; } |
| 128 | |
| 129 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 130 | * Startup processing. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 131 | */ |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 132 | private void startup() { |
Yuta HIGUCHI | 337e46d | 2014-01-10 22:49:27 -0800 | [diff] [blame^] | 133 | this.dbHandler = GraphDBManager.getDBOperation("ramcloud", "/tmp/ramcloudconf"); |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 134 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 135 | // |
| 136 | // Obtain the initial Topology state |
| 137 | // |
| 138 | Collection<TopologyElement> topologyElements = |
| 139 | datagridService.getAllTopologyElements(); |
| 140 | for (TopologyElement topologyElement : topologyElements) { |
| 141 | EventEntry<TopologyElement> eventEntry = |
| 142 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 143 | topologyEvents.add(eventEntry); |
| 144 | } |
| 145 | // |
| 146 | // Obtain the initial Flow Path state |
| 147 | // |
| 148 | Collection<FlowPath> flowPaths = datagridService.getAllFlows(); |
| 149 | for (FlowPath flowPath : flowPaths) { |
| 150 | EventEntry<FlowPath> eventEntry = |
| 151 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 152 | flowPathEvents.add(eventEntry); |
| 153 | } |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 154 | // |
| 155 | // Obtain the initial FlowEntry state |
| 156 | // |
| 157 | Collection<FlowEntry> flowEntries = datagridService.getAllFlowEntries(); |
| 158 | for (FlowEntry flowEntry : flowEntries) { |
| 159 | EventEntry<FlowEntry> eventEntry = |
| 160 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 161 | flowEntryEvents.add(eventEntry); |
| 162 | } |
| 163 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 164 | // |
| 165 | // Obtain the initial FlowId state |
| 166 | // |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 167 | Collection<Pair<FlowId, Dpid>> flowIds = |
| 168 | datagridService.getAllFlowIds(); |
| 169 | for (Pair<FlowId, Dpid> pair : flowIds) { |
| 170 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 171 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_ADD, pair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 172 | flowIdEvents.add(eventEntry); |
| 173 | } |
| 174 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 175 | // |
| 176 | // Obtain the initial FlowEntryId state |
| 177 | // |
| 178 | Collection<Pair<FlowEntryId, Dpid>> flowEntryIds = |
| 179 | datagridService.getAllFlowEntryIds(); |
| 180 | for (Pair<FlowEntryId, Dpid> pair : flowEntryIds) { |
| 181 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 182 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, pair); |
| 183 | flowEntryIdEvents.add(eventEntry); |
| 184 | } |
| 185 | |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 186 | // Process the initial events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 187 | synchronized (allFlowPaths) { |
| 188 | processEvents(); |
| 189 | } |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 190 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Run the thread. |
| 195 | */ |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 196 | @Override |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 197 | public void run() { |
Yuta HIGUCHI | 61509a4 | 2013-12-17 10:41:04 -0800 | [diff] [blame] | 198 | this.setName("FlowEventHandler " + this.getId()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 199 | startup(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 200 | |
| 201 | // |
| 202 | // The main loop |
| 203 | // |
| 204 | Collection<EventEntry<?>> collection = new LinkedList<EventEntry<?>>(); |
| 205 | try { |
| 206 | while (true) { |
| 207 | EventEntry<?> eventEntry = networkEvents.take(); |
| 208 | collection.add(eventEntry); |
| 209 | networkEvents.drainTo(collection); |
| 210 | |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 211 | // |
| 212 | // Demultiplex all events: |
| 213 | // - EventEntry<TopologyElement> |
| 214 | // - EventEntry<FlowPath> |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 215 | // - EventEntry<FlowEntry> |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 216 | // - EventEntry<Pair<FlowId, Dpid>> |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 217 | // - EventEntry<Pair<FlowEntryId, Dpid>> |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 218 | // |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 219 | for (EventEntry<?> event : collection) { |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 220 | // Topology event |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 221 | if (event.eventData() instanceof TopologyElement) { |
| 222 | EventEntry<TopologyElement> topologyEventEntry = |
| 223 | (EventEntry<TopologyElement>)event; |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 224 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 225 | topologyEvents.add(topologyEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 226 | continue; |
| 227 | } |
| 228 | |
| 229 | // FlowPath event |
| 230 | if (event.eventData() instanceof FlowPath) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 231 | EventEntry<FlowPath> flowPathEventEntry = |
| 232 | (EventEntry<FlowPath>)event; |
| 233 | flowPathEvents.add(flowPathEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 234 | continue; |
| 235 | } |
| 236 | |
| 237 | // FlowEntry event |
| 238 | if (event.eventData() instanceof FlowEntry) { |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 239 | EventEntry<FlowEntry> flowEntryEventEntry = |
| 240 | (EventEntry<FlowEntry>)event; |
| 241 | flowEntryEvents.add(flowEntryEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 242 | continue; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 243 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 244 | |
| 245 | // FlowId event |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 246 | if (event.eventData() instanceof Pair) { |
| 247 | EventEntry<Pair<FlowId, Dpid>> flowIdEventEntry = |
| 248 | (EventEntry<Pair<FlowId, Dpid>>)event; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 249 | flowIdEvents.add(flowIdEventEntry); |
| 250 | continue; |
| 251 | } |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 252 | |
| 253 | // Switch Dpid event |
| 254 | if (event.eventData() instanceof Dpid) { |
| 255 | EventEntry<Dpid> switchDpidEventEntry = |
| 256 | (EventEntry<Dpid>)event; |
| 257 | switchDpidEvents.add(switchDpidEventEntry); |
| 258 | continue; |
| 259 | } |
| 260 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 261 | // FlowEntryId event |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 262 | // TODO: Fix the code below if we need again to handle |
| 263 | // the FlowEntryId events |
| 264 | /* |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 265 | if (event.eventData() instanceof Pair) { |
| 266 | EventEntry<Pair<FlowEntryId, Dpid>> flowEntryIdEventEntry = |
| 267 | (EventEntry<Pair<FlowEntryId, Dpid>>)event; |
| 268 | flowEntryIdEvents.add(flowEntryIdEventEntry); |
| 269 | continue; |
| 270 | } |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 271 | */ |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 272 | } |
| 273 | collection.clear(); |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 274 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 275 | // Process the events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 276 | synchronized (allFlowPaths) { |
| 277 | processEvents(); |
| 278 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 279 | } |
| 280 | } catch (Exception exception) { |
| 281 | log.debug("Exception processing Network Events: ", exception); |
| 282 | } |
| 283 | } |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 284 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 285 | /** |
| 286 | * Process the events (if any) |
| 287 | */ |
| 288 | private void processEvents() { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 289 | Collection<FlowEntry> modifiedFlowEntries; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 290 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 291 | if (enableOnrc2014MeasurementsFlows) { |
| 292 | |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 293 | if (topologyEvents.isEmpty() && flowIdEvents.isEmpty() && |
| 294 | switchDpidEvents.isEmpty()) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 295 | return; // Nothing to do |
| 296 | } |
| 297 | |
| 298 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 299 | |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 300 | // Process the Switch Dpid events |
| 301 | processSwitchDpidEvents(); |
| 302 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 303 | // Process the Flow ID events |
| 304 | processFlowIdEvents(mySwitches); |
| 305 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 306 | // Fetch the topology |
| 307 | processTopologyEvents(); |
| 308 | |
| 309 | // Recompute all affected Flow Paths and keep only the modified |
| 310 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
| 311 | if (recomputeFlowPath(flowPath)) |
| 312 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 313 | } |
| 314 | |
| 315 | // Assign the Flow Entry ID as needed |
| 316 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 317 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 318 | if (! flowEntry.isValidFlowEntryId()) { |
| 319 | long id = flowManager.getNextFlowEntryId(); |
| 320 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 325 | // |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 326 | // Push the modified state to the database |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 327 | // |
Pavlin Radoslavov | 85d81c0 | 2014-01-10 17:22:22 -0800 | [diff] [blame] | 328 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 329 | // |
| 330 | // Delete the Flow Path from the Network Map |
| 331 | // |
| 332 | if (flowPath.flowPathUserState() == |
| 333 | FlowPathUserState.FP_USER_DELETE) { |
| 334 | log.debug("Deleting Flow Path From Database: {}", flowPath); |
Pavlin Radoslavov | 6c3e680 | 2014-01-10 19:27:34 -0800 | [diff] [blame] | 335 | // TODO: For now the deleting of a Flow Path is blocking |
Pavlin Radoslavov | 85d81c0 | 2014-01-10 17:22:22 -0800 | [diff] [blame] | 336 | ParallelFlowDatabaseOperation.deleteFlow(dbHandler, |
Pavlin Radoslavov | 6c3e680 | 2014-01-10 19:27:34 -0800 | [diff] [blame] | 337 | flowPath.flowId()); |
| 338 | // Send the notifications for the deleted Flow Entries |
| 339 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 340 | datagridService.notificationSendFlowEntryRemoved(flowEntry.flowEntryId()); |
| 341 | } |
| 342 | |
Pavlin Radoslavov | 85d81c0 | 2014-01-10 17:22:22 -0800 | [diff] [blame] | 343 | continue; |
| 344 | } |
| 345 | |
| 346 | log.debug("Pushing Flow Path To Database: {}", flowPath); |
| 347 | // |
| 348 | // Write the Flow Path to the Network Map |
| 349 | // |
| 350 | ParallelFlowDatabaseOperation.addFlow(dbHandler, flowPath, |
| 351 | datagridService); |
| 352 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 353 | |
| 354 | // Cleanup |
| 355 | topologyEvents.clear(); |
| 356 | flowIdEvents.clear(); |
Pavlin Radoslavov | 2d6e5f1 | 2014-01-10 16:34:05 -0800 | [diff] [blame] | 357 | switchDpidEvents.clear(); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 358 | // |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 359 | // NOTE: Keep a cache with my Flow Paths |
| 360 | // allFlowPaths.clear(); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 361 | shouldRecomputeFlowPaths.clear(); |
| 362 | modifiedFlowPaths.clear(); |
| 363 | |
| 364 | return; |
| 365 | } |
| 366 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 367 | if (topologyEvents.isEmpty() && flowPathEvents.isEmpty() && |
| 368 | flowEntryEvents.isEmpty()) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 369 | return; // Nothing to do |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 370 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 371 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 372 | processFlowPathEvents(); |
| 373 | processTopologyEvents(); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 374 | processUnmatchedFlowEntryAdd(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 375 | processFlowEntryEvents(); |
| 376 | |
| 377 | // Recompute all affected Flow Paths and keep only the modified |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 378 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 379 | if (recomputeFlowPath(flowPath)) |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 380 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 381 | } |
| 382 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 383 | // Extract the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 384 | modifiedFlowEntries = extractModifiedFlowEntries(modifiedFlowPaths.values()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 385 | |
| 386 | // Assign missing Flow Entry IDs |
| 387 | assignFlowEntryId(modifiedFlowEntries); |
| 388 | |
| 389 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 390 | // Push the modified state to the Flow Manager |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 391 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 392 | flowManager.pushModifiedFlowState(modifiedFlowPaths.values(), |
| 393 | modifiedFlowEntries); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 394 | |
| 395 | // |
| 396 | // Remove Flow Entries that were deleted |
| 397 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 398 | for (FlowPath flowPath : modifiedFlowPaths.values()) |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 399 | flowPath.dataPath().removeDeletedFlowEntries(); |
| 400 | |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 401 | // |
| 402 | // Check if Flow Paths have been installed into all switches, |
| 403 | // and generate the appropriate events. |
| 404 | // |
| 405 | checkInstalledFlowPaths(checkIfInstalledFlowPaths.values()); |
| 406 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 407 | // Cleanup |
| 408 | topologyEvents.clear(); |
| 409 | flowPathEvents.clear(); |
| 410 | flowEntryEvents.clear(); |
| 411 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 412 | shouldRecomputeFlowPaths.clear(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 413 | modifiedFlowPaths.clear(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 414 | checkIfInstalledFlowPaths.clear(); |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Check if Flow Paths have been installed into all switches, |
| 419 | * and generate the appropriate events. |
| 420 | * |
| 421 | * @param flowPaths the flowPaths to process. |
| 422 | */ |
| 423 | private void checkInstalledFlowPaths(Collection<FlowPath> flowPaths) { |
| 424 | List<FlowPath> installedFlowPaths = new LinkedList<FlowPath>(); |
| 425 | |
| 426 | Kryo kryo = kryoFactory.newKryo(); |
| 427 | |
| 428 | for (FlowPath flowPath : flowPaths) { |
| 429 | boolean isInstalled = true; |
| 430 | |
| 431 | // |
| 432 | // Check whether all Flow Entries have been installed |
| 433 | // |
| 434 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 435 | if (flowEntry.flowEntrySwitchState() != |
| 436 | FlowEntrySwitchState.FE_SWITCH_UPDATED) { |
| 437 | isInstalled = false; |
| 438 | break; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | if (isInstalled) { |
| 443 | // Create a copy and add it to the list |
| 444 | FlowPath copyFlowPath = kryo.copy(flowPath); |
| 445 | installedFlowPaths.add(copyFlowPath); |
| 446 | } |
| 447 | } |
| 448 | kryoFactory.deleteKryo(kryo); |
| 449 | |
| 450 | // Generate an event for the installed Flow Path. |
| 451 | flowManager.notificationFlowPathsInstalled(installedFlowPaths); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | /** |
| 455 | * Extract the modified Flow Entries. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 456 | * |
| 457 | * @param modifiedFlowPaths the Flow Paths to process. |
| 458 | * @return a collection with the modified Flow Entries. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 459 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 460 | private Collection<FlowEntry> extractModifiedFlowEntries( |
| 461 | Collection<FlowPath> modifiedFlowPaths) { |
| 462 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 463 | |
| 464 | // Extract only the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 465 | for (FlowPath flowPath : modifiedFlowPaths) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 466 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 467 | if (flowEntry.flowEntrySwitchState() == |
| 468 | FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED) { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 469 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 470 | } |
| 471 | } |
| 472 | } |
| 473 | return modifiedFlowEntries; |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Assign the Flow Entry ID as needed. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 478 | * |
| 479 | * @param modifiedFlowEnries the collection of Flow Entries that need |
| 480 | * Flow Entry ID assigned. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 481 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 482 | private void assignFlowEntryId(Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 483 | if (modifiedFlowEntries.isEmpty()) |
| 484 | return; |
| 485 | |
| 486 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 487 | |
| 488 | // |
| 489 | // Assign the Flow Entry ID only for Flow Entries for my switches |
| 490 | // |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 491 | for (FlowEntry flowEntry : modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 492 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 493 | if (mySwitch == null) |
| 494 | continue; |
| 495 | if (! flowEntry.isValidFlowEntryId()) { |
| 496 | long id = flowManager.getNextFlowEntryId(); |
| 497 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 498 | } |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | /** |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 503 | * Fix a flow fetched from the database. |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 504 | * |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 505 | * @param flowPath the Flow to fix. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 506 | */ |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 507 | private void fixFlowFromDatabase(FlowPath flowPath) { |
| 508 | // |
| 509 | // TODO: Bug workaround / fix : |
| 510 | // method FlowDatabaseOperation.extractFlowEntry() doesn't |
| 511 | // fetch the inPort and outPort, hence we assign them here. |
| 512 | // |
| 513 | // Assign the inPort and outPort for the Flow Entries |
| 514 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 515 | // Set the inPort |
| 516 | do { |
| 517 | if (flowEntry.inPort() != null) |
| 518 | break; |
| 519 | if (flowEntry.flowEntryMatch() == null) |
| 520 | break; |
| 521 | Port inPort = new Port(flowEntry.flowEntryMatch().inPort().value()); |
| 522 | flowEntry.setInPort(inPort); |
| 523 | } while (false); |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 524 | |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 525 | // Set the outPort |
| 526 | do { |
| 527 | if (flowEntry.outPort() != null) |
| 528 | break; |
| 529 | for (FlowEntryAction fa : flowEntry.flowEntryActions().actions()) { |
| 530 | if (fa.actionOutput() != null) { |
| 531 | Port outPort = new Port(fa.actionOutput().port().value()); |
| 532 | flowEntry.setOutPort(outPort); |
| 533 | break; |
| 534 | } |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 535 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 536 | } while (false); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 537 | } |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 538 | } |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 539 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 540 | /** |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 541 | * Process the Switch Dpid events. |
| 542 | */ |
| 543 | private void processSwitchDpidEvents() { |
| 544 | Map<Long, Dpid> addedSwitches = new HashMap<Long, Dpid>(); |
| 545 | Map<Long, Dpid> removedSwitches = new HashMap<Long, Dpid>(); |
| 546 | |
| 547 | // |
| 548 | // Process all Switch Dpid events and update the appropriate state |
| 549 | // |
| 550 | for (EventEntry<Dpid> eventEntry : switchDpidEvents) { |
| 551 | Dpid dpid = eventEntry.eventData(); |
| 552 | |
| 553 | log.debug("SwitchDpid Event: {} {}", eventEntry.eventType(), dpid); |
| 554 | |
| 555 | // Compute the final set of added and removed switches |
| 556 | switch (eventEntry.eventType()) { |
| 557 | case ENTRY_ADD: |
| 558 | addedSwitches.put(dpid.value(), dpid); |
| 559 | removedSwitches.remove(dpid.value()); |
| 560 | break; |
| 561 | case ENTRY_REMOVE: |
| 562 | addedSwitches.remove(dpid.value()); |
| 563 | removedSwitches.put(dpid.value(), dpid); |
| 564 | break; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | // |
| 569 | // Remove the Flows from the local cache if the removed |
| 570 | // switch is the Source Switch. |
| 571 | // |
| 572 | // TODO: This search can be expensive for a large number of flows |
| 573 | // and should be optmized. |
| 574 | // |
| 575 | List<FlowId> deleteFlowIds = new LinkedList<FlowId>(); |
| 576 | for (Dpid switchDpid : removedSwitches.values()) { |
| 577 | for (FlowPath flowPath : allFlowPaths.values()) { |
| 578 | Dpid srcDpid = flowPath.dataPath().srcPort().dpid(); |
| 579 | if (srcDpid.value() == switchDpid.value()) |
| 580 | deleteFlowIds.add(flowPath.flowId()); |
| 581 | } |
| 582 | } |
| 583 | // |
| 584 | // Remove the Flows from the local cache |
| 585 | // |
| 586 | for (FlowId flowId : deleteFlowIds) |
| 587 | allFlowPaths.remove(flowId.value()); |
| 588 | |
| 589 | // Get the Flows for the added switches |
| 590 | Collection<FlowPath> flowPaths = |
| 591 | ParallelFlowDatabaseOperation.getFlowsForSwitches(dbHandler, |
| 592 | addedSwitches.values()); |
| 593 | for (FlowPath flowPath : flowPaths) { |
| 594 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | /** |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 599 | * Process the Flow ID events. |
| 600 | * |
| 601 | * @param mySwitches the collection of my switches. |
| 602 | */ |
| 603 | private void processFlowIdEvents(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 604 | List<FlowId> shouldFetchMyFlowIds = new LinkedList<FlowId>(); |
| 605 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 606 | // |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 607 | // Process all Flow Id events and update the appropriate state |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 608 | // |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 609 | for (EventEntry<Pair<FlowId, Dpid>> eventEntry : flowIdEvents) { |
| 610 | Pair<FlowId, Dpid> pair = eventEntry.eventData(); |
| 611 | FlowId flowId = pair.first; |
| 612 | Dpid dpid = pair.second; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 613 | |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 614 | log.debug("Flow ID Event: {} {} {}", eventEntry.eventType(), |
| 615 | flowId, dpid); |
| 616 | |
| 617 | // |
| 618 | // Ignore Flows if the Source Switch is not controlled by this |
| 619 | // instance. |
| 620 | // |
| 621 | if (mySwitches.get(dpid.value()) == null) |
| 622 | continue; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 623 | |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 624 | switch (eventEntry.eventType()) { |
| 625 | case ENTRY_ADD: { |
| 626 | // |
| 627 | // Add a new Flow Path |
| 628 | // |
| 629 | if (allFlowPaths.get(flowId.value()) != null) { |
| 630 | // |
| 631 | // TODO: What to do if the Flow Path already exists? |
| 632 | // Fow now, we just re-add it. |
| 633 | // |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 634 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 635 | shouldFetchMyFlowIds.add(flowId); |
| 636 | |
| 637 | break; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 638 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 639 | |
| 640 | case ENTRY_REMOVE: { |
| 641 | // |
| 642 | // Remove an existing Flow Path. |
| 643 | // |
| 644 | // Find the Flow Path, and mark the Flow and its Flow Entries |
| 645 | // for deletion. |
| 646 | // |
| 647 | FlowPath existingFlowPath = |
| 648 | allFlowPaths.get(flowId.value()); |
| 649 | if (existingFlowPath == null) |
| 650 | continue; // Nothing to do |
| 651 | |
| 652 | existingFlowPath.setFlowPathUserState(FlowPathUserState.FP_USER_DELETE); |
| 653 | for (FlowEntry flowEntry : existingFlowPath.flowEntries()) { |
| 654 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 655 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 656 | } |
| 657 | |
| 658 | // Remove the Flow Path from the internal state |
| 659 | Long key = existingFlowPath.flowId().value(); |
| 660 | allFlowPaths.remove(key); |
| 661 | shouldRecomputeFlowPaths.remove(key); |
| 662 | modifiedFlowPaths.put(key, existingFlowPath); |
| 663 | |
| 664 | break; |
| 665 | } |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | // Get my Flows |
| 670 | Collection<FlowPath> myFlows = |
Pavlin Radoslavov | 6602b6a | 2014-01-10 16:43:29 -0800 | [diff] [blame] | 671 | ParallelFlowDatabaseOperation.getFlows(dbHandler, |
| 672 | shouldFetchMyFlowIds); |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 673 | |
| 674 | for (FlowPath flowPath : myFlows) { |
| 675 | fixFlowFromDatabase(flowPath); |
| 676 | |
| 677 | switch (flowPath.flowPathType()) { |
| 678 | case FP_TYPE_SHORTEST_PATH: |
| 679 | // |
| 680 | // Reset the Data Path, in case it was set already, because |
| 681 | // we are going to recompute it anyway. |
| 682 | // |
| 683 | flowPath.flowEntries().clear(); |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 684 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 685 | flowPath); |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 686 | break; |
| 687 | case FP_TYPE_EXPLICIT_PATH: |
| 688 | // |
| 689 | // Mark all Flow Entries for installation in the switches. |
| 690 | // |
| 691 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 692 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 693 | } |
| 694 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 695 | break; |
| 696 | case FP_TYPE_UNKNOWN: |
| 697 | log.error("FlowPath event with unknown type"); |
| 698 | break; |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 699 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 700 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 701 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 702 | } |
| 703 | |
| 704 | /** |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 705 | * Process the Flow Entry ID events. |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 706 | * |
| 707 | * @param mySwitches the collection of my switches. |
| 708 | * @return a collection of modified Flow Entries this instance needs |
| 709 | * to push to its own switches. |
| 710 | */ |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 711 | private Collection<FlowEntry> processFlowEntryIdEvents(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 712 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
| 713 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 714 | // |
| 715 | // Process all Flow ID events and update the appropriate state |
| 716 | // |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 717 | for (EventEntry<Pair<FlowEntryId, Dpid>> eventEntry : flowEntryIdEvents) { |
| 718 | Pair<FlowEntryId, Dpid> pair = eventEntry.eventData(); |
| 719 | FlowEntryId flowEntryId = pair.first; |
| 720 | Dpid dpid = pair.second; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 721 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 722 | log.debug("Flow Entry ID Event: {} {} {}", eventEntry.eventType(), |
| 723 | flowEntryId, dpid); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 724 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 725 | if (mySwitches.get(dpid.value()) == null) |
| 726 | continue; |
| 727 | |
| 728 | // Fetch the Flow Entry |
| 729 | FlowEntry flowEntry = FlowDatabaseOperation.getFlowEntry(dbHandler, |
| 730 | flowEntryId); |
| 731 | if (flowEntry == null) { |
| 732 | log.debug("Flow Entry ID {} : Flow Entry not found!", |
| 733 | flowEntryId); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 734 | continue; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 735 | } |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 736 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 737 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 738 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 739 | return modifiedFlowEntries; |
| 740 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 741 | |
| 742 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 743 | * Process the Flow Path events. |
| 744 | */ |
| 745 | private void processFlowPathEvents() { |
| 746 | // |
| 747 | // Process all Flow Path events and update the appropriate state |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 748 | // |
| 749 | for (EventEntry<FlowPath> eventEntry : flowPathEvents) { |
| 750 | FlowPath flowPath = eventEntry.eventData(); |
| 751 | |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 752 | log.debug("Flow Event: {} {}", eventEntry.eventType(), flowPath); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 753 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 754 | switch (eventEntry.eventType()) { |
| 755 | case ENTRY_ADD: { |
| 756 | // |
| 757 | // Add a new Flow Path |
| 758 | // |
| 759 | if (allFlowPaths.get(flowPath.flowId().value()) != null) { |
| 760 | // |
| 761 | // TODO: What to do if the Flow Path already exists? |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 762 | // Fow now, we just re-add it. |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 763 | // |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 764 | } |
| 765 | |
| 766 | switch (flowPath.flowPathType()) { |
| 767 | case FP_TYPE_SHORTEST_PATH: |
| 768 | // |
| 769 | // Reset the Data Path, in case it was set already, because |
| 770 | // we are going to recompute it anyway. |
| 771 | // |
| 772 | flowPath.flowEntries().clear(); |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 773 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 774 | flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 775 | break; |
| 776 | case FP_TYPE_EXPLICIT_PATH: |
| 777 | // |
| 778 | // Mark all Flow Entries for installation in the switches. |
| 779 | // |
| 780 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 781 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 782 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 783 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 784 | break; |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 785 | case FP_TYPE_UNKNOWN: |
| 786 | log.error("FlowPath event with unknown type"); |
| 787 | break; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 788 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 789 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 790 | |
| 791 | break; |
| 792 | } |
| 793 | |
| 794 | case ENTRY_REMOVE: { |
| 795 | // |
| 796 | // Remove an existing Flow Path. |
| 797 | // |
| 798 | // Find the Flow Path, and mark the Flow and its Flow Entries |
| 799 | // for deletion. |
| 800 | // |
| 801 | FlowPath existingFlowPath = |
| 802 | allFlowPaths.get(flowPath.flowId().value()); |
| 803 | if (existingFlowPath == null) |
| 804 | continue; // Nothing to do |
| 805 | |
| 806 | existingFlowPath.setFlowPathUserState(FlowPathUserState.FP_USER_DELETE); |
| 807 | for (FlowEntry flowEntry : existingFlowPath.flowEntries()) { |
| 808 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 809 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 810 | } |
| 811 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 812 | // Remove the Flow Path from the internal state |
| 813 | Long key = existingFlowPath.flowId().value(); |
| 814 | allFlowPaths.remove(key); |
| 815 | shouldRecomputeFlowPaths.remove(key); |
| 816 | modifiedFlowPaths.put(key, existingFlowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 817 | |
| 818 | break; |
| 819 | } |
| 820 | } |
| 821 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 822 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 823 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 824 | /** |
| 825 | * Process the Topology events. |
| 826 | */ |
| 827 | private void processTopologyEvents() { |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 828 | boolean isTopologyModified = false; |
| 829 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 830 | if (enableOnrc2014MeasurementsTopology) { |
| 831 | if (topologyEvents.isEmpty()) |
| 832 | return; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 833 | |
Pavlin Radoslavov | 2a8b9de | 2014-01-09 15:58:32 -0800 | [diff] [blame] | 834 | // TODO: Code for debugging purpose only |
| 835 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 836 | TopologyElement topologyElement = eventEntry.eventData(); |
| 837 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
| 838 | topologyElement.toString()); |
| 839 | } |
| 840 | |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 841 | log.debug("[BEFORE] {}", topology.toString()); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 842 | topology.readFromDatabase(dbHandler); |
| 843 | log.debug("[AFTER] {}", topology.toString()); |
| 844 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
| 845 | return; |
| 846 | } |
| 847 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 848 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 849 | // Process all Topology events and update the appropriate state |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 850 | // |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 851 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 852 | TopologyElement topologyElement = eventEntry.eventData(); |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 853 | |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 854 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 855 | topologyElement.toString()); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 856 | |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 857 | switch (eventEntry.eventType()) { |
| 858 | case ENTRY_ADD: |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 859 | synchronized (topology) { |
| 860 | isTopologyModified |= topology.addTopologyElement(topologyElement); |
| 861 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 862 | break; |
| 863 | case ENTRY_REMOVE: |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 864 | synchronized (topology) { |
| 865 | isTopologyModified |= topology.removeTopologyElement(topologyElement); |
| 866 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 867 | break; |
| 868 | } |
| 869 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 870 | if (isTopologyModified) { |
| 871 | // TODO: For now, if the topology changes, we recompute all Flows |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 872 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 873 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 874 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 875 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 876 | /** |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 877 | * Process previously received Flow Entries with unmatched Flow Paths. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 878 | */ |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 879 | private void processUnmatchedFlowEntryAdd() { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 880 | FlowPath flowPath; |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 881 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 882 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 883 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 884 | // Update Flow Entries with previously unmatched Flow Entry updates |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 885 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 886 | if (! unmatchedFlowEntryAdd.isEmpty()) { |
| 887 | Map<Long, FlowEntry> remainingUpdates = new HashMap<Long, FlowEntry>(); |
| 888 | for (FlowEntry flowEntry : unmatchedFlowEntryAdd.values()) { |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 889 | // log.debug("Processing Unmatched Flow Entry: {}", |
| 890 | // flowEntry.toString()); |
| 891 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 892 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 893 | if (flowPath == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 894 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 895 | flowEntry); |
| 896 | continue; |
| 897 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 898 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 899 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 900 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 901 | flowEntry); |
| 902 | continue; |
| 903 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 904 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 905 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 906 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 907 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 908 | unmatchedFlowEntryAdd = remainingUpdates; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 909 | } |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 910 | } |
| 911 | |
| 912 | /** |
| 913 | * Process the Flow Entry events. |
| 914 | */ |
| 915 | private void processFlowEntryEvents() { |
| 916 | FlowPath flowPath; |
| 917 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 918 | |
| 919 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 920 | // Process all Flow Entry events and update the appropriate state |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 921 | // |
| 922 | for (EventEntry<FlowEntry> eventEntry : flowEntryEvents) { |
| 923 | FlowEntry flowEntry = eventEntry.eventData(); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 924 | |
| 925 | log.debug("Flow Entry Event: {} {}", eventEntry.eventType(), |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 926 | flowEntry); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 927 | |
| 928 | if ((! flowEntry.isValidFlowId()) || |
| 929 | (! flowEntry.isValidFlowEntryId())) { |
| 930 | continue; |
| 931 | } |
| 932 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 933 | switch (eventEntry.eventType()) { |
| 934 | case ENTRY_ADD: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 935 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 936 | if (flowPath == null) { |
| 937 | // Flow Path not found: keep the entry for later matching |
| 938 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 939 | flowEntry); |
| 940 | break; |
| 941 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 942 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 943 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 944 | // Flow Entry not found: keep the entry for later matching |
| 945 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 946 | flowEntry); |
| 947 | break; |
| 948 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 949 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 950 | // Add the updated Flow Path to the list of updated paths |
| 951 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 952 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 953 | break; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 954 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 955 | case ENTRY_REMOVE: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 956 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 957 | if (unmatchedFlowEntryAdd.remove(flowEntry.flowEntryId().value()) != null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 958 | continue; // Removed previously unmatched entry |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 959 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 960 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 961 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 962 | if (flowPath == null) { |
| 963 | // Flow Path not found: ignore the update |
| 964 | break; |
| 965 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 966 | localFlowEntry = findFlowEntryRemove(flowPath, flowEntry); |
| 967 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 968 | // Flow Entry not found: ignore it |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 969 | break; |
| 970 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 971 | if (updateFlowEntryRemove(flowPath, localFlowEntry, |
| 972 | flowEntry)) { |
| 973 | // Add the updated Flow Path to the list of updated paths |
| 974 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 975 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 976 | break; |
| 977 | } |
| 978 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 979 | } |
| 980 | |
| 981 | /** |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 982 | * Find a Flow Entry that should be updated because of an external |
| 983 | * ENTRY_ADD event. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 984 | * |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 985 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 986 | * @param newFlowEntry the FlowEntry with the new state. |
| 987 | * @return the Flow Entry that should be updated if found, otherwise null. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 988 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 989 | private FlowEntry findFlowEntryAdd(FlowPath flowPath, |
| 990 | FlowEntry newFlowEntry) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 991 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 992 | // Iterate over all Flow Entries and find a match. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 993 | // |
| 994 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 995 | if (! TopologyManager.isSameFlowEntryDataPath(localFlowEntry, |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 996 | newFlowEntry)) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 997 | continue; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 998 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 999 | |
| 1000 | // |
| 1001 | // Local Flow Entry match found |
| 1002 | // |
| 1003 | if (localFlowEntry.isValidFlowEntryId()) { |
| 1004 | if (localFlowEntry.flowEntryId().value() != |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1005 | newFlowEntry.flowEntryId().value()) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1006 | // |
| 1007 | // Find a local Flow Entry, but the Flow Entry ID doesn't |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1008 | // match. Keep looking. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1009 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1010 | continue; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1011 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1012 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1013 | return localFlowEntry; |
| 1014 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1015 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1016 | return null; // Entry not found |
| 1017 | } |
| 1018 | |
| 1019 | /** |
| 1020 | * Update a Flow Entry because of an external ENTRY_ADD event. |
| 1021 | * |
| 1022 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 1023 | * @param localFlowEntry the local Flow Entry to update. |
| 1024 | * @param newFlowEntry the FlowEntry with the new state. |
| 1025 | * @return true if the local Flow Entry was updated, otherwise false. |
| 1026 | */ |
| 1027 | private boolean updateFlowEntryAdd(FlowPath flowPath, |
| 1028 | FlowEntry localFlowEntry, |
| 1029 | FlowEntry newFlowEntry) { |
| 1030 | boolean updated = false; |
| 1031 | |
| 1032 | if (localFlowEntry.flowEntryUserState() == |
| 1033 | FlowEntryUserState.FE_USER_DELETE) { |
| 1034 | // Don't add-back a Flow Entry that is already deleted |
| 1035 | return false; |
| 1036 | } |
| 1037 | |
| 1038 | if (! localFlowEntry.isValidFlowEntryId()) { |
| 1039 | // Update the Flow Entry ID |
| 1040 | FlowEntryId flowEntryId = |
| 1041 | new FlowEntryId(newFlowEntry.flowEntryId().value()); |
| 1042 | localFlowEntry.setFlowEntryId(flowEntryId); |
| 1043 | updated = true; |
| 1044 | } |
| 1045 | |
| 1046 | // |
| 1047 | // Update the local Flow Entry, and keep state to check |
| 1048 | // if the Flow Path has been installed. |
| 1049 | // |
| 1050 | if (localFlowEntry.flowEntryUserState() != |
| 1051 | newFlowEntry.flowEntryUserState()) { |
| 1052 | localFlowEntry.setFlowEntryUserState( |
| 1053 | newFlowEntry.flowEntryUserState()); |
| 1054 | updated = true; |
| 1055 | } |
| 1056 | if (localFlowEntry.flowEntrySwitchState() != |
| 1057 | newFlowEntry.flowEntrySwitchState()) { |
| 1058 | localFlowEntry.setFlowEntrySwitchState( |
| 1059 | newFlowEntry.flowEntrySwitchState()); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 1060 | checkIfInstalledFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1061 | updated = true; |
| 1062 | } |
| 1063 | |
| 1064 | return updated; |
| 1065 | } |
| 1066 | |
| 1067 | /** |
| 1068 | * Find a Flow Entry that should be updated because of an external |
| 1069 | * ENTRY_REMOVE event. |
| 1070 | * |
| 1071 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 1072 | * @param newFlowEntry the FlowEntry with the new state. |
| 1073 | * @return the Flow Entry that should be updated if found, otherwise null. |
| 1074 | */ |
| 1075 | private FlowEntry findFlowEntryRemove(FlowPath flowPath, |
| 1076 | FlowEntry newFlowEntry) { |
| 1077 | // |
| 1078 | // Iterate over all Flow Entries and find a match based on |
| 1079 | // the Flow Entry ID. |
| 1080 | // |
| 1081 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
| 1082 | if (! localFlowEntry.isValidFlowEntryId()) |
| 1083 | continue; |
| 1084 | if (localFlowEntry.flowEntryId().value() != |
| 1085 | newFlowEntry.flowEntryId().value()) { |
| 1086 | continue; |
| 1087 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1088 | return localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1089 | } |
| 1090 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1091 | return null; // Entry not found |
| 1092 | } |
| 1093 | |
| 1094 | /** |
| 1095 | * Update a Flow Entry because of an external ENTRY_REMOVE event. |
| 1096 | * |
| 1097 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1098 | * @param localFlowEntry the local Flow Entry to update. |
| 1099 | * @param newFlowEntry the FlowEntry with the new state. |
| 1100 | * @return true if the local Flow Entry was updated, otherwise false. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1101 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1102 | private boolean updateFlowEntryRemove(FlowPath flowPath, |
| 1103 | FlowEntry localFlowEntry, |
| 1104 | FlowEntry newFlowEntry) { |
| 1105 | boolean updated = false; |
| 1106 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1107 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1108 | // Update the local Flow Entry. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1109 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1110 | if (localFlowEntry.flowEntryUserState() != |
| 1111 | newFlowEntry.flowEntryUserState()) { |
| 1112 | localFlowEntry.setFlowEntryUserState( |
| 1113 | newFlowEntry.flowEntryUserState()); |
| 1114 | updated = true; |
| 1115 | } |
| 1116 | if (localFlowEntry.flowEntrySwitchState() != |
| 1117 | newFlowEntry.flowEntrySwitchState()) { |
| 1118 | localFlowEntry.setFlowEntrySwitchState( |
| 1119 | newFlowEntry.flowEntrySwitchState()); |
| 1120 | updated = true; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1121 | } |
| 1122 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1123 | return updated; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1124 | } |
| 1125 | |
| 1126 | /** |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1127 | * Recompute a Flow Path. |
| 1128 | * |
| 1129 | * @param flowPath the Flow Path to recompute. |
| 1130 | * @return true if the recomputed Flow Path has changed, otherwise false. |
| 1131 | */ |
| 1132 | private boolean recomputeFlowPath(FlowPath flowPath) { |
| 1133 | boolean hasChanged = false; |
| 1134 | |
Pavlin Radoslavov | 7bf837a | 2014-01-09 14:22:05 -0800 | [diff] [blame] | 1135 | if (enableOnrc2014MeasurementsFlows) { |
| 1136 | // Cleanup the deleted Flow Entries from the earlier iteration |
| 1137 | flowPath.dataPath().removeDeletedFlowEntries(); |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 1138 | |
| 1139 | // |
| 1140 | // TODO: Fake it that the Flow Entries have been already pushed |
| 1141 | // into the switches, so we don't push them again. |
| 1142 | // |
| 1143 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 1144 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_UPDATED); |
| 1145 | } |
Pavlin Radoslavov | 7bf837a | 2014-01-09 14:22:05 -0800 | [diff] [blame] | 1146 | } |
| 1147 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1148 | // |
| 1149 | // Test whether the Flow Path needs to be recomputed |
| 1150 | // |
| 1151 | switch (flowPath.flowPathType()) { |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 1152 | case FP_TYPE_UNKNOWN: |
| 1153 | return false; // Can't recompute on Unknown FlowType |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1154 | case FP_TYPE_SHORTEST_PATH: |
| 1155 | break; |
| 1156 | case FP_TYPE_EXPLICIT_PATH: |
| 1157 | return false; // An explicit path never changes |
| 1158 | } |
| 1159 | |
| 1160 | DataPath oldDataPath = flowPath.dataPath(); |
| 1161 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1162 | // Compute the new path |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 1163 | DataPath newDataPath; |
| 1164 | synchronized (topology) { |
| 1165 | newDataPath = TopologyManager.computeNetworkPath(topology, |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1166 | flowPath); |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 1167 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1168 | if (newDataPath == null) { |
| 1169 | // We need the DataPath to compare the paths |
| 1170 | newDataPath = new DataPath(); |
| 1171 | } |
| 1172 | newDataPath.applyFlowPathFlags(flowPath.flowPathFlags()); |
| 1173 | |
| 1174 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1175 | // Test whether the new path is same |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1176 | // |
| 1177 | if (oldDataPath.flowEntries().size() != |
| 1178 | newDataPath.flowEntries().size()) { |
| 1179 | hasChanged = true; |
| 1180 | } else { |
| 1181 | Iterator<FlowEntry> oldIter = oldDataPath.flowEntries().iterator(); |
| 1182 | Iterator<FlowEntry> newIter = newDataPath.flowEntries().iterator(); |
| 1183 | while (oldIter.hasNext() && newIter.hasNext()) { |
| 1184 | FlowEntry oldFlowEntry = oldIter.next(); |
| 1185 | FlowEntry newFlowEntry = newIter.next(); |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1186 | if (! TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1187 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1188 | hasChanged = true; |
| 1189 | break; |
| 1190 | } |
| 1191 | } |
| 1192 | } |
| 1193 | if (! hasChanged) |
| 1194 | return hasChanged; |
| 1195 | |
| 1196 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1197 | // Merge the changes in the path: |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1198 | // - If a Flow Entry for a switch is in the old data path, but not |
| 1199 | // in the new data path, then mark it for deletion. |
| 1200 | // - If a Flow Entry for a switch is in the new data path, but not |
| 1201 | // in the old data path, then mark it for addition. |
| 1202 | // - If a Flow Entry for a switch is in both the old and the new |
| 1203 | // data path, but it has changed, e.g., the incoming and/or outgoing |
| 1204 | // port(s), then mark the old Flow Entry for deletion, and mark |
| 1205 | // the new Flow Entry for addition. |
| 1206 | // - If a Flow Entry for a switch is in both the old and the new |
| 1207 | // data path, and it hasn't changed, then just keep it. |
| 1208 | // |
| 1209 | // NOTE: We use the Switch DPID of each entry to match the entries |
| 1210 | // |
| 1211 | Map<Long, FlowEntry> oldFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1212 | Map<Long, FlowEntry> newFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1213 | ArrayList<FlowEntry> finalFlowEntries = new ArrayList<FlowEntry>(); |
| 1214 | List<FlowEntry> deletedFlowEntries = new LinkedList<FlowEntry>(); |
| 1215 | |
| 1216 | // Prepare maps with the Flow Entries, so they are fast to lookup |
| 1217 | for (FlowEntry flowEntry : oldDataPath.flowEntries()) |
| 1218 | oldFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1219 | for (FlowEntry flowEntry : newDataPath.flowEntries()) |
| 1220 | newFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1221 | |
| 1222 | // |
| 1223 | // Find the old Flow Entries that should be deleted |
| 1224 | // |
| 1225 | for (FlowEntry oldFlowEntry : oldDataPath.flowEntries()) { |
| 1226 | FlowEntry newFlowEntry = |
| 1227 | newFlowEntriesMap.get(oldFlowEntry.dpid().value()); |
| 1228 | if (newFlowEntry == null) { |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1229 | // The old Flow Entry should be deleted: not on the path |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1230 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1231 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1232 | deletedFlowEntries.add(oldFlowEntry); |
| 1233 | } |
| 1234 | } |
| 1235 | |
| 1236 | // |
| 1237 | // Find the new Flow Entries that should be added or updated |
| 1238 | // |
| 1239 | int idx = 0; |
| 1240 | for (FlowEntry newFlowEntry : newDataPath.flowEntries()) { |
| 1241 | FlowEntry oldFlowEntry = |
| 1242 | oldFlowEntriesMap.get(newFlowEntry.dpid().value()); |
| 1243 | |
| 1244 | if ((oldFlowEntry != null) && |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1245 | TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1246 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1247 | // |
| 1248 | // Both Flow Entries are same |
| 1249 | // |
| 1250 | finalFlowEntries.add(oldFlowEntry); |
| 1251 | idx++; |
| 1252 | continue; |
| 1253 | } |
| 1254 | |
| 1255 | if (oldFlowEntry != null) { |
| 1256 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1257 | // The old Flow Entry should be deleted: path diverges |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1258 | // |
| 1259 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1260 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1261 | deletedFlowEntries.add(oldFlowEntry); |
| 1262 | } |
| 1263 | |
| 1264 | // |
| 1265 | // Add the new Flow Entry |
| 1266 | // |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1267 | // |
| 1268 | // NOTE: Assign only the Flow ID. |
| 1269 | // The Flow Entry ID is assigned later only for the Flow Entries |
| 1270 | // this instance is responsible for. |
| 1271 | // |
| 1272 | newFlowEntry.setFlowId(new FlowId(flowPath.flowId().value())); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1273 | |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1274 | // |
Pavlin Radoslavov | 6fde217 | 2013-12-10 11:23:18 -0800 | [diff] [blame] | 1275 | // Copy the Flow timeouts |
| 1276 | // |
| 1277 | newFlowEntry.setIdleTimeout(flowPath.idleTimeout()); |
| 1278 | newFlowEntry.setHardTimeout(flowPath.hardTimeout()); |
| 1279 | |
| 1280 | // |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1281 | // Allocate the FlowEntryMatch by copying the default one |
| 1282 | // from the FlowPath (if set). |
| 1283 | // |
| 1284 | FlowEntryMatch flowEntryMatch = null; |
| 1285 | if (flowPath.flowEntryMatch() != null) |
| 1286 | flowEntryMatch = new FlowEntryMatch(flowPath.flowEntryMatch()); |
| 1287 | else |
| 1288 | flowEntryMatch = new FlowEntryMatch(); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1289 | newFlowEntry.setFlowEntryMatch(flowEntryMatch); |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1290 | |
| 1291 | // Set the incoming port matching |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1292 | flowEntryMatch.enableInPort(newFlowEntry.inPort()); |
| 1293 | |
| 1294 | // |
| 1295 | // Set the actions: |
| 1296 | // If the first Flow Entry, copy the Flow Path actions to it. |
| 1297 | // |
| 1298 | FlowEntryActions flowEntryActions = newFlowEntry.flowEntryActions(); |
| 1299 | if ((idx == 0) && (flowPath.flowEntryActions() != null)) { |
| 1300 | FlowEntryActions flowActions = |
| 1301 | new FlowEntryActions(flowPath.flowEntryActions()); |
| 1302 | for (FlowEntryAction action : flowActions.actions()) |
| 1303 | flowEntryActions.addAction(action); |
| 1304 | } |
| 1305 | idx++; |
| 1306 | |
| 1307 | // |
| 1308 | // Add the outgoing port output action |
| 1309 | // |
| 1310 | FlowEntryAction flowEntryAction = new FlowEntryAction(); |
| 1311 | flowEntryAction.setActionOutput(newFlowEntry.outPort()); |
| 1312 | flowEntryActions.addAction(flowEntryAction); |
| 1313 | |
| 1314 | // |
| 1315 | // Set the state of the new Flow Entry |
| 1316 | // |
| 1317 | newFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_ADD); |
| 1318 | newFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1319 | finalFlowEntries.add(newFlowEntry); |
| 1320 | } |
| 1321 | |
| 1322 | // |
| 1323 | // Replace the old Flow Entries with the new Flow Entries. |
| 1324 | // Note that the Flow Entries that will be deleted are added at |
| 1325 | // the end. |
| 1326 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1327 | finalFlowEntries.addAll(deletedFlowEntries); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1328 | flowPath.dataPath().setFlowEntries(finalFlowEntries); |
| 1329 | |
| 1330 | return hasChanged; |
| 1331 | } |
| 1332 | |
| 1333 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1334 | * Receive a notification that a Flow is added. |
| 1335 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1336 | * @param flowPath the Flow that is added. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1337 | */ |
| 1338 | @Override |
| 1339 | public void notificationRecvFlowAdded(FlowPath flowPath) { |
| 1340 | EventEntry<FlowPath> eventEntry = |
| 1341 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1342 | networkEvents.add(eventEntry); |
| 1343 | } |
| 1344 | |
| 1345 | /** |
| 1346 | * Receive a notification that a Flow is removed. |
| 1347 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1348 | * @param flowPath the Flow that is removed. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1349 | */ |
| 1350 | @Override |
| 1351 | public void notificationRecvFlowRemoved(FlowPath flowPath) { |
| 1352 | EventEntry<FlowPath> eventEntry = |
| 1353 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_REMOVE, flowPath); |
| 1354 | networkEvents.add(eventEntry); |
| 1355 | } |
| 1356 | |
| 1357 | /** |
| 1358 | * Receive a notification that a Flow is updated. |
| 1359 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1360 | * @param flowPath the Flow that is updated. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1361 | */ |
| 1362 | @Override |
| 1363 | public void notificationRecvFlowUpdated(FlowPath flowPath) { |
| 1364 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1365 | EventEntry<FlowPath> eventEntry = |
| 1366 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1367 | networkEvents.add(eventEntry); |
| 1368 | } |
| 1369 | |
| 1370 | /** |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1371 | * Receive a notification that a FlowEntry is added. |
| 1372 | * |
| 1373 | * @param flowEntry the FlowEntry that is added. |
| 1374 | */ |
| 1375 | @Override |
| 1376 | public void notificationRecvFlowEntryAdded(FlowEntry flowEntry) { |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1377 | if (enableOnrc2014MeasurementsFlows) { |
| 1378 | Collection entries = new ArrayList(); |
| 1379 | entries.add(flowEntry); |
| 1380 | flowManager.pushModifiedFlowEntriesToSwitches(entries); |
| 1381 | return; |
| 1382 | } |
| 1383 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1384 | EventEntry<FlowEntry> eventEntry = |
| 1385 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1386 | networkEvents.add(eventEntry); |
| 1387 | } |
| 1388 | |
| 1389 | /** |
| 1390 | * Receive a notification that a FlowEntry is removed. |
| 1391 | * |
| 1392 | * @param flowEntry the FlowEntry that is removed. |
| 1393 | */ |
| 1394 | @Override |
| 1395 | public void notificationRecvFlowEntryRemoved(FlowEntry flowEntry) { |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1396 | if (enableOnrc2014MeasurementsFlows) { |
Pavlin Radoslavov | e4d2a43 | 2014-01-10 12:01:08 -0800 | [diff] [blame] | 1397 | // |
| 1398 | // NOTE: Must update the state to DELETE, because |
| 1399 | // the notification contains the original state. |
| 1400 | // |
| 1401 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1402 | |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1403 | Collection entries = new ArrayList(); |
| 1404 | entries.add(flowEntry); |
| 1405 | flowManager.pushModifiedFlowEntriesToSwitches(entries); |
| 1406 | return; |
| 1407 | } |
| 1408 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1409 | EventEntry<FlowEntry> eventEntry = |
| 1410 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_REMOVE, flowEntry); |
| 1411 | networkEvents.add(eventEntry); |
| 1412 | } |
| 1413 | |
| 1414 | /** |
| 1415 | * Receive a notification that a FlowEntry is updated. |
| 1416 | * |
| 1417 | * @param flowEntry the FlowEntry that is updated. |
| 1418 | */ |
| 1419 | @Override |
| 1420 | public void notificationRecvFlowEntryUpdated(FlowEntry flowEntry) { |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1421 | if (enableOnrc2014MeasurementsFlows) { |
| 1422 | Collection entries = new ArrayList(); |
| 1423 | entries.add(flowEntry); |
| 1424 | flowManager.pushModifiedFlowEntriesToSwitches(entries); |
| 1425 | return; |
| 1426 | } |
| 1427 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1428 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1429 | EventEntry<FlowEntry> eventEntry = |
| 1430 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1431 | networkEvents.add(eventEntry); |
| 1432 | } |
| 1433 | |
| 1434 | /** |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1435 | * Receive a notification that a FlowId is added. |
| 1436 | * |
| 1437 | * @param flowId the FlowId that is added. |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1438 | * @param dpid the Source Switch Dpid for the corresponding Flow. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1439 | */ |
| 1440 | @Override |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1441 | public void notificationRecvFlowIdAdded(FlowId flowId, Dpid dpid) { |
| 1442 | Pair flowIdPair = new Pair(flowId, dpid); |
| 1443 | |
| 1444 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 1445 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowIdPair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1446 | networkEvents.add(eventEntry); |
| 1447 | } |
| 1448 | |
| 1449 | /** |
| 1450 | * Receive a notification that a FlowId is removed. |
| 1451 | * |
| 1452 | * @param flowId the FlowId that is removed. |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1453 | * @param dpid the Source Switch Dpid for the corresponding Flow. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1454 | */ |
| 1455 | @Override |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1456 | public void notificationRecvFlowIdRemoved(FlowId flowId, Dpid dpid) { |
| 1457 | Pair flowIdPair = new Pair(flowId, dpid); |
| 1458 | |
| 1459 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 1460 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_REMOVE, flowIdPair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1461 | networkEvents.add(eventEntry); |
| 1462 | } |
| 1463 | |
| 1464 | /** |
| 1465 | * Receive a notification that a FlowId is updated. |
| 1466 | * |
| 1467 | * @param flowId the FlowId that is updated. |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1468 | * @param dpid the Source Switch Dpid for the corresponding Flow. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1469 | */ |
| 1470 | @Override |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1471 | public void notificationRecvFlowIdUpdated(FlowId flowId, Dpid dpid) { |
| 1472 | Pair flowIdPair = new Pair(flowId, dpid); |
| 1473 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1474 | // NOTE: The ADD and UPDATE events are processed in same way |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1475 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 1476 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowIdPair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1477 | networkEvents.add(eventEntry); |
| 1478 | } |
| 1479 | |
| 1480 | /** |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1481 | * Receive a notification that a FlowEntryId is added. |
| 1482 | * |
| 1483 | * @param flowEntryId the FlowEntryId that is added. |
| 1484 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1485 | */ |
| 1486 | @Override |
| 1487 | public void notificationRecvFlowEntryIdAdded(FlowEntryId flowEntryId, |
| 1488 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1489 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1490 | |
| 1491 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1492 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1493 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1494 | } |
| 1495 | |
| 1496 | /** |
| 1497 | * Receive a notification that a FlowEntryId is removed. |
| 1498 | * |
| 1499 | * @param flowEntryId the FlowEntryId that is removed. |
| 1500 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1501 | */ |
| 1502 | @Override |
| 1503 | public void notificationRecvFlowEntryIdRemoved(FlowEntryId flowEntryId, |
| 1504 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1505 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1506 | |
| 1507 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1508 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_REMOVE, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1509 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1510 | } |
| 1511 | |
| 1512 | /** |
| 1513 | * Receive a notification that a FlowEntryId is updated. |
| 1514 | * |
| 1515 | * @param flowEntryId the FlowEntryId that is updated. |
| 1516 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1517 | */ |
| 1518 | @Override |
| 1519 | public void notificationRecvFlowEntryIdUpdated(FlowEntryId flowEntryId, |
| 1520 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1521 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1522 | |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1523 | // NOTE: The ADD and UPDATE events are processed in same way |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1524 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1525 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1526 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1527 | } |
| 1528 | |
| 1529 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1530 | * Receive a notification that a Topology Element is added. |
| 1531 | * |
| 1532 | * @param topologyElement the Topology Element that is added. |
| 1533 | */ |
| 1534 | @Override |
| 1535 | public void notificationRecvTopologyElementAdded(TopologyElement topologyElement) { |
| 1536 | EventEntry<TopologyElement> eventEntry = |
| 1537 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1538 | networkEvents.add(eventEntry); |
| 1539 | } |
| 1540 | |
| 1541 | /** |
| 1542 | * Receive a notification that a Topology Element is removed. |
| 1543 | * |
| 1544 | * @param topologyElement the Topology Element that is removed. |
| 1545 | */ |
| 1546 | @Override |
| 1547 | public void notificationRecvTopologyElementRemoved(TopologyElement topologyElement) { |
| 1548 | EventEntry<TopologyElement> eventEntry = |
| 1549 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_REMOVE, topologyElement); |
| 1550 | networkEvents.add(eventEntry); |
| 1551 | } |
| 1552 | |
| 1553 | /** |
| 1554 | * Receive a notification that a Topology Element is updated. |
| 1555 | * |
| 1556 | * @param topologyElement the Topology Element that is updated. |
| 1557 | */ |
| 1558 | @Override |
| 1559 | public void notificationRecvTopologyElementUpdated(TopologyElement topologyElement) { |
| 1560 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1561 | EventEntry<TopologyElement> eventEntry = |
| 1562 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1563 | networkEvents.add(eventEntry); |
| 1564 | } |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 1565 | |
| 1566 | /** |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 1567 | * Receive a notification that a switch is added to this instance. |
| 1568 | * |
| 1569 | * @param sw the switch that is added. |
| 1570 | */ |
| 1571 | @Override |
| 1572 | public void addedSwitch(IOFSwitch sw) { |
| 1573 | Dpid dpid = new Dpid(sw.getId()); |
| 1574 | EventEntry<Dpid> eventEntry = |
| 1575 | new EventEntry<Dpid>(EventEntry.Type.ENTRY_ADD, dpid); |
| 1576 | networkEvents.add(eventEntry); |
| 1577 | } |
| 1578 | |
| 1579 | /** |
| 1580 | * Receive a notification that a switch is removed from this instance. |
| 1581 | * |
| 1582 | * @param sw the switch that is removed. |
| 1583 | */ |
| 1584 | @Override |
| 1585 | public void removedSwitch(IOFSwitch sw) { |
| 1586 | Dpid dpid = new Dpid(sw.getId()); |
| 1587 | EventEntry<Dpid> eventEntry = |
| 1588 | new EventEntry<Dpid>(EventEntry.Type.ENTRY_REMOVE, dpid); |
| 1589 | networkEvents.add(eventEntry); |
| 1590 | } |
| 1591 | |
| 1592 | /** |
| 1593 | * Receive a notification that the ports on a switch have changed. |
| 1594 | */ |
| 1595 | @Override |
| 1596 | public void switchPortChanged(Long switchId) { |
| 1597 | // Nothing to do |
| 1598 | } |
| 1599 | |
| 1600 | /** |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 1601 | * Get a sorted copy of all Flow Paths. |
| 1602 | * |
| 1603 | * @return a sorted copy of all Flow Paths. |
| 1604 | */ |
| 1605 | synchronized SortedMap<Long, FlowPath> getAllFlowPathsCopy() { |
| 1606 | SortedMap<Long, FlowPath> sortedFlowPaths = |
| 1607 | new TreeMap<Long, FlowPath>(); |
| 1608 | |
| 1609 | // |
| 1610 | // TODO: For now we use serialization/deserialization to create |
| 1611 | // a copy of each Flow Path. In the future, we should use proper |
| 1612 | // copy constructors. |
| 1613 | // |
| 1614 | Kryo kryo = kryoFactory.newKryo(); |
| 1615 | synchronized (allFlowPaths) { |
| 1616 | for (Map.Entry<Long, FlowPath> entry : allFlowPaths.entrySet()) { |
| 1617 | FlowPath origFlowPath = entry.getValue(); |
| 1618 | FlowPath copyFlowPath = kryo.copy(origFlowPath); |
| 1619 | sortedFlowPaths.put(entry.getKey(), copyFlowPath); |
| 1620 | } |
| 1621 | } |
| 1622 | kryoFactory.deleteKryo(kryo); |
| 1623 | |
| 1624 | return sortedFlowPaths; |
| 1625 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1626 | } |