Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1 | package net.onrc.onos.ofcontroller.flowmanager; |
| 2 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 3 | import java.util.ArrayList; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 4 | import java.util.Collection; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 5 | import java.util.HashMap; |
| 6 | import java.util.Iterator; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 7 | import java.util.LinkedList; |
| 8 | import java.util.List; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 9 | import java.util.Map; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 10 | import java.util.SortedMap; |
| 11 | import java.util.TreeMap; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 12 | import java.util.concurrent.BlockingQueue; |
| 13 | import java.util.concurrent.LinkedBlockingQueue; |
| 14 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 15 | import net.floodlightcontroller.core.IOFSwitch; |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 16 | import net.floodlightcontroller.core.IOFSwitchListener; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 17 | import net.onrc.onos.datagrid.IDatagridService; |
Yuta HIGUCHI | 337e46d | 2014-01-10 22:49:27 -0800 | [diff] [blame] | 18 | import net.onrc.onos.graph.DBOperation; |
| 19 | import net.onrc.onos.graph.GraphDBManager; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 20 | import net.onrc.onos.ofcontroller.topology.Topology; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 21 | import net.onrc.onos.ofcontroller.topology.TopologyElement; |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 22 | import net.onrc.onos.ofcontroller.topology.TopologyManager; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 23 | import net.onrc.onos.ofcontroller.util.DataPath; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 24 | import net.onrc.onos.ofcontroller.util.Dpid; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 25 | import net.onrc.onos.ofcontroller.util.EventEntry; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 26 | import net.onrc.onos.ofcontroller.util.FlowEntry; |
| 27 | import net.onrc.onos.ofcontroller.util.FlowEntryAction; |
| 28 | import net.onrc.onos.ofcontroller.util.FlowEntryActions; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 29 | import net.onrc.onos.ofcontroller.util.FlowEntryId; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 30 | import net.onrc.onos.ofcontroller.util.FlowEntryMatch; |
| 31 | import net.onrc.onos.ofcontroller.util.FlowEntrySwitchState; |
| 32 | import net.onrc.onos.ofcontroller.util.FlowEntryUserState; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 33 | import net.onrc.onos.ofcontroller.util.FlowId; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 34 | import net.onrc.onos.ofcontroller.util.FlowPath; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 35 | import net.onrc.onos.ofcontroller.util.FlowPathUserState; |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 36 | import net.onrc.onos.ofcontroller.util.Pair; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 37 | import net.onrc.onos.ofcontroller.util.Port; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 38 | import net.onrc.onos.ofcontroller.util.serializers.KryoFactory; |
| 39 | |
Yuta HIGUCHI | 2d5ac52 | 2014-01-22 10:21:41 -0800 | [diff] [blame] | 40 | import com.esotericsoftware.kryo.Kryo; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 41 | import org.slf4j.Logger; |
| 42 | import org.slf4j.LoggerFactory; |
| 43 | |
| 44 | /** |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 45 | * Class for FlowPath Maintenance. |
| 46 | * This class listens for FlowEvents to: |
| 47 | * - Maintain a local cache of the Network Topology. |
| 48 | * - Detect FlowPaths impacted by Topology change. |
| 49 | * - Recompute impacted FlowPath using cached Topology. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 50 | */ |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 51 | class FlowEventHandler extends Thread implements IFlowEventHandlerService, |
| 52 | IOFSwitchListener { |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 53 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 54 | private boolean enableOnrc2014MeasurementsFlows = true; |
| 55 | private boolean enableOnrc2014MeasurementsTopology = true; |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 56 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 57 | /** The logger. */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 58 | private final static Logger log = LoggerFactory.getLogger(FlowEventHandler.class); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 59 | |
Yuta HIGUCHI | 337e46d | 2014-01-10 22:49:27 -0800 | [diff] [blame] | 60 | private DBOperation dbHandler; |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 61 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 62 | private FlowManager flowManager; // The Flow Manager to use |
| 63 | private IDatagridService datagridService; // The Datagrid Service to use |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 64 | private Topology topology; // The network topology |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 65 | private KryoFactory kryoFactory = new KryoFactory(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 66 | |
| 67 | // The queue with Flow Path and Topology Element updates |
| 68 | private BlockingQueue<EventEntry<?>> networkEvents = |
| 69 | new LinkedBlockingQueue<EventEntry<?>>(); |
| 70 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 71 | // The pending Topology, FlowPath, and FlowEntry events |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 72 | private List<EventEntry<TopologyElement>> topologyEvents = |
| 73 | new LinkedList<EventEntry<TopologyElement>>(); |
| 74 | private List<EventEntry<FlowPath>> flowPathEvents = |
| 75 | new LinkedList<EventEntry<FlowPath>>(); |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 76 | private List<EventEntry<FlowEntry>> flowEntryEvents = |
| 77 | new LinkedList<EventEntry<FlowEntry>>(); |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 78 | private List<EventEntry<Pair<FlowId, Dpid>>> flowIdEvents = |
| 79 | new LinkedList<EventEntry<Pair<FlowId, Dpid>>>(); |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 80 | private List<EventEntry<Pair<FlowEntryId, Dpid>>> flowEntryIdEvents = |
| 81 | new LinkedList<EventEntry<Pair<FlowEntryId, Dpid>>>(); |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 82 | private List<EventEntry<Dpid>> switchDpidEvents = |
| 83 | new LinkedList<EventEntry<Dpid>>(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 84 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 85 | // All internally computed Flow Paths |
| 86 | private Map<Long, FlowPath> allFlowPaths = new HashMap<Long, FlowPath>(); |
| 87 | |
| 88 | // The Flow Entries received as notifications with unmatched Flow Paths |
| 89 | private Map<Long, FlowEntry> unmatchedFlowEntryAdd = |
| 90 | new HashMap<Long, FlowEntry>(); |
| 91 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 92 | // |
| 93 | // Transient state for processing the Flow Paths: |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 94 | // - The Flow Paths that should be recomputed |
| 95 | // - The Flow Paths with modified Flow Entries |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 96 | // - The Flow Paths that we should check if installed in all switches |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 97 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 98 | private Map<Long, FlowPath> shouldRecomputeFlowPaths = |
| 99 | new HashMap<Long, FlowPath>(); |
| 100 | private Map<Long, FlowPath> modifiedFlowPaths = |
| 101 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 102 | private Map<Long, FlowPath> checkIfInstalledFlowPaths = |
| 103 | new HashMap<Long, FlowPath>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 104 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 105 | /** |
| 106 | * Constructor for a given Flow Manager and Datagrid Service. |
| 107 | * |
| 108 | * @param flowManager the Flow Manager to use. |
| 109 | * @param datagridService the Datagrid Service to use. |
| 110 | */ |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 111 | FlowEventHandler(FlowManager flowManager, |
| 112 | IDatagridService datagridService) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 113 | this.flowManager = flowManager; |
| 114 | this.datagridService = datagridService; |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 115 | this.topology = new Topology(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | /** |
Pavlin Radoslavov | ed0f4a8 | 2013-11-04 16:38:36 -0800 | [diff] [blame] | 119 | * Get the network topology. |
| 120 | * |
| 121 | * @return the network topology. |
| 122 | */ |
| 123 | protected Topology getTopology() { return this.topology; } |
| 124 | |
| 125 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 126 | * Startup processing. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 127 | */ |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 128 | private void startup() { |
Yoshi Muroi | 815c7f9 | 2014-01-30 18:06:16 -0800 | [diff] [blame^] | 129 | this.dbHandler = GraphDBManager.getDBOperation("ramcloud", "/tmp/ramcloud.conf"); |
Pavlin Radoslavov | 8252fee | 2014-01-07 17:24:29 -0800 | [diff] [blame] | 130 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 131 | // |
| 132 | // Obtain the initial Topology state |
| 133 | // |
| 134 | Collection<TopologyElement> topologyElements = |
| 135 | datagridService.getAllTopologyElements(); |
| 136 | for (TopologyElement topologyElement : topologyElements) { |
| 137 | EventEntry<TopologyElement> eventEntry = |
| 138 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 139 | topologyEvents.add(eventEntry); |
| 140 | } |
| 141 | // |
| 142 | // Obtain the initial Flow Path state |
| 143 | // |
| 144 | Collection<FlowPath> flowPaths = datagridService.getAllFlows(); |
| 145 | for (FlowPath flowPath : flowPaths) { |
| 146 | EventEntry<FlowPath> eventEntry = |
| 147 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 148 | flowPathEvents.add(eventEntry); |
| 149 | } |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 150 | // |
| 151 | // Obtain the initial FlowEntry state |
| 152 | // |
| 153 | Collection<FlowEntry> flowEntries = datagridService.getAllFlowEntries(); |
| 154 | for (FlowEntry flowEntry : flowEntries) { |
| 155 | EventEntry<FlowEntry> eventEntry = |
| 156 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 157 | flowEntryEvents.add(eventEntry); |
| 158 | } |
| 159 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 160 | // |
| 161 | // Obtain the initial FlowId state |
| 162 | // |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 163 | Collection<Pair<FlowId, Dpid>> flowIds = |
| 164 | datagridService.getAllFlowIds(); |
| 165 | for (Pair<FlowId, Dpid> pair : flowIds) { |
| 166 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 167 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_ADD, pair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 168 | flowIdEvents.add(eventEntry); |
| 169 | } |
| 170 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 171 | // |
| 172 | // Obtain the initial FlowEntryId state |
| 173 | // |
| 174 | Collection<Pair<FlowEntryId, Dpid>> flowEntryIds = |
| 175 | datagridService.getAllFlowEntryIds(); |
| 176 | for (Pair<FlowEntryId, Dpid> pair : flowEntryIds) { |
| 177 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 178 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, pair); |
| 179 | flowEntryIdEvents.add(eventEntry); |
| 180 | } |
| 181 | |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 182 | // Process the initial events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 183 | synchronized (allFlowPaths) { |
| 184 | processEvents(); |
| 185 | } |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 186 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Run the thread. |
| 191 | */ |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 192 | @Override |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 193 | public void run() { |
Yuta HIGUCHI | 61509a4 | 2013-12-17 10:41:04 -0800 | [diff] [blame] | 194 | this.setName("FlowEventHandler " + this.getId()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 195 | startup(); |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 196 | |
| 197 | // |
| 198 | // The main loop |
| 199 | // |
| 200 | Collection<EventEntry<?>> collection = new LinkedList<EventEntry<?>>(); |
| 201 | try { |
| 202 | while (true) { |
| 203 | EventEntry<?> eventEntry = networkEvents.take(); |
| 204 | collection.add(eventEntry); |
| 205 | networkEvents.drainTo(collection); |
| 206 | |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 207 | // |
| 208 | // Demultiplex all events: |
| 209 | // - EventEntry<TopologyElement> |
| 210 | // - EventEntry<FlowPath> |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 211 | // - EventEntry<FlowEntry> |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 212 | // - EventEntry<Pair<FlowId, Dpid>> |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 213 | // - EventEntry<Pair<FlowEntryId, Dpid>> |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 214 | // |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 215 | for (EventEntry<?> event : collection) { |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 216 | // Topology event |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 217 | if (event.eventData() instanceof TopologyElement) { |
| 218 | EventEntry<TopologyElement> topologyEventEntry = |
| 219 | (EventEntry<TopologyElement>)event; |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 220 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 221 | topologyEvents.add(topologyEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 222 | continue; |
| 223 | } |
| 224 | |
| 225 | // FlowPath event |
| 226 | if (event.eventData() instanceof FlowPath) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 227 | EventEntry<FlowPath> flowPathEventEntry = |
| 228 | (EventEntry<FlowPath>)event; |
| 229 | flowPathEvents.add(flowPathEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 230 | continue; |
| 231 | } |
| 232 | |
| 233 | // FlowEntry event |
| 234 | if (event.eventData() instanceof FlowEntry) { |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 235 | EventEntry<FlowEntry> flowEntryEventEntry = |
| 236 | (EventEntry<FlowEntry>)event; |
| 237 | flowEntryEvents.add(flowEntryEventEntry); |
Pavlin Radoslavov | c8038a8 | 2013-12-02 17:43:20 -0800 | [diff] [blame] | 238 | continue; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 239 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 240 | |
| 241 | // FlowId event |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 242 | if (event.eventData() instanceof Pair) { |
| 243 | EventEntry<Pair<FlowId, Dpid>> flowIdEventEntry = |
| 244 | (EventEntry<Pair<FlowId, Dpid>>)event; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 245 | flowIdEvents.add(flowIdEventEntry); |
| 246 | continue; |
| 247 | } |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 248 | |
| 249 | // Switch Dpid event |
| 250 | if (event.eventData() instanceof Dpid) { |
| 251 | EventEntry<Dpid> switchDpidEventEntry = |
| 252 | (EventEntry<Dpid>)event; |
| 253 | switchDpidEvents.add(switchDpidEventEntry); |
| 254 | continue; |
| 255 | } |
| 256 | |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 257 | // FlowEntryId event |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 258 | // TODO: Fix the code below if we need again to handle |
| 259 | // the FlowEntryId events |
| 260 | /* |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 261 | if (event.eventData() instanceof Pair) { |
| 262 | EventEntry<Pair<FlowEntryId, Dpid>> flowEntryIdEventEntry = |
| 263 | (EventEntry<Pair<FlowEntryId, Dpid>>)event; |
| 264 | flowEntryIdEvents.add(flowEntryIdEventEntry); |
| 265 | continue; |
| 266 | } |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 267 | */ |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 268 | } |
| 269 | collection.clear(); |
Pavlin Radoslavov | ed4c7a9 | 2013-10-26 21:36:21 -0700 | [diff] [blame] | 270 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 271 | // Process the events (if any) |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 272 | synchronized (allFlowPaths) { |
| 273 | processEvents(); |
| 274 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 275 | } |
| 276 | } catch (Exception exception) { |
| 277 | log.debug("Exception processing Network Events: ", exception); |
| 278 | } |
| 279 | } |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 280 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 281 | /** |
| 282 | * Process the events (if any) |
| 283 | */ |
| 284 | private void processEvents() { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 285 | Collection<FlowEntry> modifiedFlowEntries; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 286 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 287 | if (enableOnrc2014MeasurementsFlows) { |
| 288 | |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 289 | PerformanceMonitor.start("EventHandler.ProcessAllEvents"); |
| 290 | |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 291 | if (topologyEvents.isEmpty() && flowIdEvents.isEmpty() && |
| 292 | switchDpidEvents.isEmpty()) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 293 | return; // Nothing to do |
| 294 | } |
| 295 | |
| 296 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 297 | |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 298 | // Process the Switch Dpid events |
Pavlin Radoslavov | 5180082 | 2014-01-12 22:33:40 -0800 | [diff] [blame] | 299 | PerformanceMonitor.start("EventHandler.SwitchDpidEvents"); |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 300 | processSwitchDpidEvents(); |
Pavlin Radoslavov | 5180082 | 2014-01-12 22:33:40 -0800 | [diff] [blame] | 301 | PerformanceMonitor.stop("EventHandler.SwitchDpidEvents"); |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 302 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 303 | // Process the Flow ID events |
Pavlin Radoslavov | cfcd272 | 2014-01-12 22:32:36 -0800 | [diff] [blame] | 304 | PerformanceMonitor.start("EventHandler.FlowIdEvents"); |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 305 | processFlowIdEvents(mySwitches); |
Pavlin Radoslavov | cfcd272 | 2014-01-12 22:32:36 -0800 | [diff] [blame] | 306 | PerformanceMonitor.stop("EventHandler.FlowIdEvents"); |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 307 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 308 | // Fetch the topology |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 309 | PerformanceMonitor.start("EventHandler.ReadTopology"); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 310 | processTopologyEvents(); |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 311 | PerformanceMonitor.stop("EventHandler.ReadTopology"); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 312 | |
| 313 | // Recompute all affected Flow Paths and keep only the modified |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 314 | PerformanceMonitor.start("EventHandler.RecomputeFlows"); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 315 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
| 316 | if (recomputeFlowPath(flowPath)) |
| 317 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 318 | } |
| 319 | |
| 320 | // Assign the Flow Entry ID as needed |
| 321 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 322 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 323 | if (! flowEntry.isValidFlowEntryId()) { |
| 324 | long id = flowManager.getNextFlowEntryId(); |
| 325 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 326 | } |
| 327 | } |
| 328 | } |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 329 | PerformanceMonitor.stop("EventHandler.RecomputeFlows"); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 330 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 331 | // |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 332 | // Push the modified state to the database |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 333 | // |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 334 | PerformanceMonitor.start("EventHandler.WriteFlowsToDb"); |
Pavlin Radoslavov | 85d81c0 | 2014-01-10 17:22:22 -0800 | [diff] [blame] | 335 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 336 | // |
| 337 | // Delete the Flow Path from the Network Map |
| 338 | // |
| 339 | if (flowPath.flowPathUserState() == |
| 340 | FlowPathUserState.FP_USER_DELETE) { |
| 341 | log.debug("Deleting Flow Path From Database: {}", flowPath); |
Pavlin Radoslavov | 6c3e680 | 2014-01-10 19:27:34 -0800 | [diff] [blame] | 342 | // TODO: For now the deleting of a Flow Path is blocking |
Pavlin Radoslavov | 85d81c0 | 2014-01-10 17:22:22 -0800 | [diff] [blame] | 343 | ParallelFlowDatabaseOperation.deleteFlow(dbHandler, |
Pavlin Radoslavov | 6c3e680 | 2014-01-10 19:27:34 -0800 | [diff] [blame] | 344 | flowPath.flowId()); |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 345 | // |
| 346 | // NOTE: For now the sending of the notifications |
| 347 | // is outside of this loop, so the performance measurements |
| 348 | // are more accurate. |
| 349 | // |
| 350 | /* |
Pavlin Radoslavov | 6c3e680 | 2014-01-10 19:27:34 -0800 | [diff] [blame] | 351 | // Send the notifications for the deleted Flow Entries |
| 352 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 353 | datagridService.notificationSendFlowEntryRemoved(flowEntry.flowEntryId()); |
| 354 | } |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 355 | */ |
Pavlin Radoslavov | 6c3e680 | 2014-01-10 19:27:34 -0800 | [diff] [blame] | 356 | |
Pavlin Radoslavov | 85d81c0 | 2014-01-10 17:22:22 -0800 | [diff] [blame] | 357 | continue; |
| 358 | } |
| 359 | |
| 360 | log.debug("Pushing Flow Path To Database: {}", flowPath); |
| 361 | // |
| 362 | // Write the Flow Path to the Network Map |
| 363 | // |
| 364 | ParallelFlowDatabaseOperation.addFlow(dbHandler, flowPath, |
| 365 | datagridService); |
| 366 | } |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 367 | PerformanceMonitor.stop("EventHandler.WriteFlowsToDb"); |
| 368 | |
| 369 | // |
| 370 | // Send the notifications for the deleted Flow Entries |
| 371 | // NOTE: This code was pulled outside of the above loop, |
| 372 | // so the performance measurements are more accurate. |
| 373 | // |
| 374 | PerformanceMonitor.start("EventHandler.NotificationSend.FlowEntryRemoved"); |
| 375 | for (FlowPath flowPath : modifiedFlowPaths.values()) { |
| 376 | if (flowPath.flowPathUserState() == |
| 377 | FlowPathUserState.FP_USER_DELETE) { |
| 378 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 379 | datagridService.notificationSendFlowEntryRemoved(flowEntry.flowEntryId()); |
| 380 | } |
| 381 | } |
| 382 | } |
Pavlin Radoslavov | dbd09cc | 2014-01-12 18:13:35 -0800 | [diff] [blame] | 383 | PerformanceMonitor.stop("EventHandler.NotificationSend.FlowEntryRemoved"); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 384 | |
| 385 | // Cleanup |
| 386 | topologyEvents.clear(); |
| 387 | flowIdEvents.clear(); |
Pavlin Radoslavov | 2d6e5f1 | 2014-01-10 16:34:05 -0800 | [diff] [blame] | 388 | switchDpidEvents.clear(); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 389 | // |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 390 | // NOTE: Keep a cache with my Flow Paths |
| 391 | // allFlowPaths.clear(); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 392 | shouldRecomputeFlowPaths.clear(); |
| 393 | modifiedFlowPaths.clear(); |
| 394 | |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 395 | PerformanceMonitor.stop("EventHandler.ProcessAllEvents"); |
Pavlin Radoslavov | 8bd6d11 | 2014-01-12 20:12:37 -0800 | [diff] [blame] | 396 | |
| 397 | |
Brian O'Connor | 2daf7a9 | 2014-01-14 11:26:35 -0800 | [diff] [blame] | 398 | // PerformanceMonitor.report("EventHandler.SwitchDpidEvents"); |
| 399 | // PerformanceMonitor.report("EventHandler.FlowIdEvents"); |
| 400 | // PerformanceMonitor.report("EventHandler.ReadTopology"); |
| 401 | // PerformanceMonitor.report("EventHandler.RecomputeFlows"); |
| 402 | // PerformanceMonitor.report("EventHandler.WriteFlowsToDb"); |
| 403 | // PerformanceMonitor.report("EventHandler.NotificationSend.FlowEntryRemoved"); |
| 404 | // PerformanceMonitor.report("EventHandler.ProcessAllEvents"); |
Brian O'Connor | 0d9963f | 2014-01-14 14:44:21 -0800 | [diff] [blame] | 405 | // PerformanceMonitor.report(); |
| 406 | // PerformanceMonitor.clear(); |
Pavlin Radoslavov | e249767 | 2014-01-12 18:03:35 -0800 | [diff] [blame] | 407 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 408 | return; |
| 409 | } |
| 410 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 411 | if (topologyEvents.isEmpty() && flowPathEvents.isEmpty() && |
| 412 | flowEntryEvents.isEmpty()) { |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 413 | return; // Nothing to do |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 414 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 415 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 416 | processFlowPathEvents(); |
| 417 | processTopologyEvents(); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 418 | processUnmatchedFlowEntryAdd(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 419 | processFlowEntryEvents(); |
| 420 | |
| 421 | // Recompute all affected Flow Paths and keep only the modified |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 422 | for (FlowPath flowPath : shouldRecomputeFlowPaths.values()) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 423 | if (recomputeFlowPath(flowPath)) |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 424 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 425 | } |
| 426 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 427 | // Extract the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 428 | modifiedFlowEntries = extractModifiedFlowEntries(modifiedFlowPaths.values()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 429 | |
| 430 | // Assign missing Flow Entry IDs |
| 431 | assignFlowEntryId(modifiedFlowEntries); |
| 432 | |
| 433 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 434 | // Push the modified state to the Flow Manager |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 435 | // |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 436 | flowManager.pushModifiedFlowState(modifiedFlowPaths.values(), |
| 437 | modifiedFlowEntries); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 438 | |
| 439 | // |
| 440 | // Remove Flow Entries that were deleted |
| 441 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 442 | for (FlowPath flowPath : modifiedFlowPaths.values()) |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 443 | flowPath.dataPath().removeDeletedFlowEntries(); |
| 444 | |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 445 | // |
| 446 | // Check if Flow Paths have been installed into all switches, |
| 447 | // and generate the appropriate events. |
| 448 | // |
| 449 | checkInstalledFlowPaths(checkIfInstalledFlowPaths.values()); |
| 450 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 451 | // Cleanup |
| 452 | topologyEvents.clear(); |
| 453 | flowPathEvents.clear(); |
| 454 | flowEntryEvents.clear(); |
| 455 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 456 | shouldRecomputeFlowPaths.clear(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 457 | modifiedFlowPaths.clear(); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 458 | checkIfInstalledFlowPaths.clear(); |
| 459 | } |
| 460 | |
| 461 | /** |
| 462 | * Check if Flow Paths have been installed into all switches, |
| 463 | * and generate the appropriate events. |
| 464 | * |
| 465 | * @param flowPaths the flowPaths to process. |
| 466 | */ |
| 467 | private void checkInstalledFlowPaths(Collection<FlowPath> flowPaths) { |
| 468 | List<FlowPath> installedFlowPaths = new LinkedList<FlowPath>(); |
| 469 | |
| 470 | Kryo kryo = kryoFactory.newKryo(); |
| 471 | |
| 472 | for (FlowPath flowPath : flowPaths) { |
| 473 | boolean isInstalled = true; |
Jonathan Hart | 0444d93 | 2014-01-22 15:06:17 -0800 | [diff] [blame] | 474 | |
| 475 | if (flowPath.flowEntries().isEmpty()) { |
| 476 | continue; |
| 477 | } |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 478 | |
| 479 | // |
| 480 | // Check whether all Flow Entries have been installed |
| 481 | // |
| 482 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 483 | if (flowEntry.flowEntrySwitchState() != |
| 484 | FlowEntrySwitchState.FE_SWITCH_UPDATED) { |
| 485 | isInstalled = false; |
| 486 | break; |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | if (isInstalled) { |
| 491 | // Create a copy and add it to the list |
| 492 | FlowPath copyFlowPath = kryo.copy(flowPath); |
| 493 | installedFlowPaths.add(copyFlowPath); |
| 494 | } |
| 495 | } |
| 496 | kryoFactory.deleteKryo(kryo); |
| 497 | |
| 498 | // Generate an event for the installed Flow Path. |
| 499 | flowManager.notificationFlowPathsInstalled(installedFlowPaths); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | /** |
| 503 | * Extract the modified Flow Entries. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 504 | * |
| 505 | * @param modifiedFlowPaths the Flow Paths to process. |
| 506 | * @return a collection with the modified Flow Entries. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 507 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 508 | private Collection<FlowEntry> extractModifiedFlowEntries( |
| 509 | Collection<FlowPath> modifiedFlowPaths) { |
| 510 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 511 | |
| 512 | // Extract only the modified Flow Entries |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 513 | for (FlowPath flowPath : modifiedFlowPaths) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 514 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 515 | if (flowEntry.flowEntrySwitchState() == |
| 516 | FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED) { |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 517 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 518 | } |
| 519 | } |
| 520 | } |
| 521 | return modifiedFlowEntries; |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * Assign the Flow Entry ID as needed. |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 526 | * |
| 527 | * @param modifiedFlowEnries the collection of Flow Entries that need |
| 528 | * Flow Entry ID assigned. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 529 | */ |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 530 | private void assignFlowEntryId(Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 531 | if (modifiedFlowEntries.isEmpty()) |
| 532 | return; |
| 533 | |
| 534 | Map<Long, IOFSwitch> mySwitches = flowManager.getMySwitches(); |
| 535 | |
| 536 | // |
| 537 | // Assign the Flow Entry ID only for Flow Entries for my switches |
| 538 | // |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 539 | for (FlowEntry flowEntry : modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 540 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 541 | if (mySwitch == null) |
| 542 | continue; |
| 543 | if (! flowEntry.isValidFlowEntryId()) { |
| 544 | long id = flowManager.getNextFlowEntryId(); |
| 545 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 546 | } |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | /** |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 551 | * Fix a flow fetched from the database. |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 552 | * |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 553 | * @param flowPath the Flow to fix. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 554 | */ |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 555 | private void fixFlowFromDatabase(FlowPath flowPath) { |
| 556 | // |
| 557 | // TODO: Bug workaround / fix : |
| 558 | // method FlowDatabaseOperation.extractFlowEntry() doesn't |
| 559 | // fetch the inPort and outPort, hence we assign them here. |
| 560 | // |
| 561 | // Assign the inPort and outPort for the Flow Entries |
| 562 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 563 | // Set the inPort |
| 564 | do { |
| 565 | if (flowEntry.inPort() != null) |
| 566 | break; |
| 567 | if (flowEntry.flowEntryMatch() == null) |
| 568 | break; |
| 569 | Port inPort = new Port(flowEntry.flowEntryMatch().inPort().value()); |
| 570 | flowEntry.setInPort(inPort); |
| 571 | } while (false); |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 572 | |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 573 | // Set the outPort |
| 574 | do { |
| 575 | if (flowEntry.outPort() != null) |
| 576 | break; |
| 577 | for (FlowEntryAction fa : flowEntry.flowEntryActions().actions()) { |
| 578 | if (fa.actionOutput() != null) { |
| 579 | Port outPort = new Port(fa.actionOutput().port().value()); |
| 580 | flowEntry.setOutPort(outPort); |
| 581 | break; |
| 582 | } |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 583 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 584 | } while (false); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 585 | } |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 586 | } |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 587 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 588 | /** |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 589 | * Process the Switch Dpid events. |
| 590 | */ |
| 591 | private void processSwitchDpidEvents() { |
| 592 | Map<Long, Dpid> addedSwitches = new HashMap<Long, Dpid>(); |
| 593 | Map<Long, Dpid> removedSwitches = new HashMap<Long, Dpid>(); |
| 594 | |
| 595 | // |
| 596 | // Process all Switch Dpid events and update the appropriate state |
| 597 | // |
| 598 | for (EventEntry<Dpid> eventEntry : switchDpidEvents) { |
| 599 | Dpid dpid = eventEntry.eventData(); |
| 600 | |
| 601 | log.debug("SwitchDpid Event: {} {}", eventEntry.eventType(), dpid); |
| 602 | |
| 603 | // Compute the final set of added and removed switches |
| 604 | switch (eventEntry.eventType()) { |
| 605 | case ENTRY_ADD: |
| 606 | addedSwitches.put(dpid.value(), dpid); |
| 607 | removedSwitches.remove(dpid.value()); |
| 608 | break; |
| 609 | case ENTRY_REMOVE: |
| 610 | addedSwitches.remove(dpid.value()); |
| 611 | removedSwitches.put(dpid.value(), dpid); |
| 612 | break; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | // |
| 617 | // Remove the Flows from the local cache if the removed |
| 618 | // switch is the Source Switch. |
| 619 | // |
| 620 | // TODO: This search can be expensive for a large number of flows |
| 621 | // and should be optmized. |
| 622 | // |
| 623 | List<FlowId> deleteFlowIds = new LinkedList<FlowId>(); |
| 624 | for (Dpid switchDpid : removedSwitches.values()) { |
| 625 | for (FlowPath flowPath : allFlowPaths.values()) { |
| 626 | Dpid srcDpid = flowPath.dataPath().srcPort().dpid(); |
| 627 | if (srcDpid.value() == switchDpid.value()) |
| 628 | deleteFlowIds.add(flowPath.flowId()); |
| 629 | } |
| 630 | } |
| 631 | // |
| 632 | // Remove the Flows from the local cache |
| 633 | // |
| 634 | for (FlowId flowId : deleteFlowIds) |
| 635 | allFlowPaths.remove(flowId.value()); |
| 636 | |
| 637 | // Get the Flows for the added switches |
| 638 | Collection<FlowPath> flowPaths = |
| 639 | ParallelFlowDatabaseOperation.getFlowsForSwitches(dbHandler, |
| 640 | addedSwitches.values()); |
| 641 | for (FlowPath flowPath : flowPaths) { |
| 642 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | /** |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 647 | * Process the Flow ID events. |
| 648 | * |
| 649 | * @param mySwitches the collection of my switches. |
| 650 | */ |
| 651 | private void processFlowIdEvents(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 652 | List<FlowId> shouldFetchMyFlowIds = new LinkedList<FlowId>(); |
| 653 | |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 654 | // |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 655 | // Process all Flow Id events and update the appropriate state |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 656 | // |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 657 | for (EventEntry<Pair<FlowId, Dpid>> eventEntry : flowIdEvents) { |
| 658 | Pair<FlowId, Dpid> pair = eventEntry.eventData(); |
| 659 | FlowId flowId = pair.first; |
| 660 | Dpid dpid = pair.second; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 661 | |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 662 | log.debug("Flow ID Event: {} {} {}", eventEntry.eventType(), |
| 663 | flowId, dpid); |
| 664 | |
| 665 | // |
| 666 | // Ignore Flows if the Source Switch is not controlled by this |
| 667 | // instance. |
| 668 | // |
| 669 | if (mySwitches.get(dpid.value()) == null) |
| 670 | continue; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 671 | |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 672 | switch (eventEntry.eventType()) { |
| 673 | case ENTRY_ADD: { |
| 674 | // |
| 675 | // Add a new Flow Path |
| 676 | // |
| 677 | if (allFlowPaths.get(flowId.value()) != null) { |
| 678 | // |
| 679 | // TODO: What to do if the Flow Path already exists? |
| 680 | // Fow now, we just re-add it. |
| 681 | // |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 682 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 683 | shouldFetchMyFlowIds.add(flowId); |
| 684 | |
| 685 | break; |
Pavlin Radoslavov | 3a7cc90 | 2014-01-09 02:32:08 -0800 | [diff] [blame] | 686 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 687 | |
| 688 | case ENTRY_REMOVE: { |
| 689 | // |
| 690 | // Remove an existing Flow Path. |
| 691 | // |
| 692 | // Find the Flow Path, and mark the Flow and its Flow Entries |
| 693 | // for deletion. |
| 694 | // |
| 695 | FlowPath existingFlowPath = |
| 696 | allFlowPaths.get(flowId.value()); |
| 697 | if (existingFlowPath == null) |
| 698 | continue; // Nothing to do |
| 699 | |
| 700 | existingFlowPath.setFlowPathUserState(FlowPathUserState.FP_USER_DELETE); |
| 701 | for (FlowEntry flowEntry : existingFlowPath.flowEntries()) { |
| 702 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 703 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 704 | } |
| 705 | |
| 706 | // Remove the Flow Path from the internal state |
| 707 | Long key = existingFlowPath.flowId().value(); |
| 708 | allFlowPaths.remove(key); |
| 709 | shouldRecomputeFlowPaths.remove(key); |
| 710 | modifiedFlowPaths.put(key, existingFlowPath); |
| 711 | |
| 712 | break; |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | // Get my Flows |
| 718 | Collection<FlowPath> myFlows = |
Pavlin Radoslavov | 6602b6a | 2014-01-10 16:43:29 -0800 | [diff] [blame] | 719 | ParallelFlowDatabaseOperation.getFlows(dbHandler, |
| 720 | shouldFetchMyFlowIds); |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 721 | |
| 722 | for (FlowPath flowPath : myFlows) { |
| 723 | fixFlowFromDatabase(flowPath); |
| 724 | |
| 725 | switch (flowPath.flowPathType()) { |
| 726 | case FP_TYPE_SHORTEST_PATH: |
| 727 | // |
| 728 | // Reset the Data Path, in case it was set already, because |
| 729 | // we are going to recompute it anyway. |
| 730 | // |
| 731 | flowPath.flowEntries().clear(); |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 732 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 733 | flowPath); |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 734 | break; |
| 735 | case FP_TYPE_EXPLICIT_PATH: |
| 736 | // |
| 737 | // Mark all Flow Entries for installation in the switches. |
| 738 | // |
| 739 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 740 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 741 | } |
| 742 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 743 | break; |
| 744 | case FP_TYPE_UNKNOWN: |
| 745 | log.error("FlowPath event with unknown type"); |
| 746 | break; |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 747 | } |
Pavlin Radoslavov | 417398f | 2014-01-10 13:04:33 -0800 | [diff] [blame] | 748 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | db1f91c | 2014-01-08 16:04:17 -0800 | [diff] [blame] | 749 | } |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | /** |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 753 | * Process the Flow Entry ID events. |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 754 | * |
| 755 | * @param mySwitches the collection of my switches. |
| 756 | * @return a collection of modified Flow Entries this instance needs |
| 757 | * to push to its own switches. |
| 758 | */ |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 759 | private Collection<FlowEntry> processFlowEntryIdEvents(Map<Long, IOFSwitch> mySwitches) { |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 760 | List<FlowEntry> modifiedFlowEntries = new LinkedList<FlowEntry>(); |
| 761 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 762 | // |
| 763 | // Process all Flow ID events and update the appropriate state |
| 764 | // |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 765 | for (EventEntry<Pair<FlowEntryId, Dpid>> eventEntry : flowEntryIdEvents) { |
| 766 | Pair<FlowEntryId, Dpid> pair = eventEntry.eventData(); |
| 767 | FlowEntryId flowEntryId = pair.first; |
| 768 | Dpid dpid = pair.second; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 769 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 770 | log.debug("Flow Entry ID Event: {} {} {}", eventEntry.eventType(), |
| 771 | flowEntryId, dpid); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 772 | |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 773 | if (mySwitches.get(dpid.value()) == null) |
| 774 | continue; |
| 775 | |
| 776 | // Fetch the Flow Entry |
| 777 | FlowEntry flowEntry = FlowDatabaseOperation.getFlowEntry(dbHandler, |
| 778 | flowEntryId); |
| 779 | if (flowEntry == null) { |
| 780 | log.debug("Flow Entry ID {} : Flow Entry not found!", |
| 781 | flowEntryId); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 782 | continue; |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 783 | } |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 784 | modifiedFlowEntries.add(flowEntry); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 785 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 786 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 787 | return modifiedFlowEntries; |
| 788 | } |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 789 | |
| 790 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 791 | * Process the Flow Path events. |
| 792 | */ |
| 793 | private void processFlowPathEvents() { |
| 794 | // |
| 795 | // Process all Flow Path events and update the appropriate state |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 796 | // |
| 797 | for (EventEntry<FlowPath> eventEntry : flowPathEvents) { |
| 798 | FlowPath flowPath = eventEntry.eventData(); |
| 799 | |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 800 | log.debug("Flow Event: {} {}", eventEntry.eventType(), flowPath); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 801 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 802 | switch (eventEntry.eventType()) { |
| 803 | case ENTRY_ADD: { |
| 804 | // |
| 805 | // Add a new Flow Path |
| 806 | // |
| 807 | if (allFlowPaths.get(flowPath.flowId().value()) != null) { |
| 808 | // |
| 809 | // TODO: What to do if the Flow Path already exists? |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 810 | // Fow now, we just re-add it. |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 811 | // |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 812 | } |
| 813 | |
| 814 | switch (flowPath.flowPathType()) { |
| 815 | case FP_TYPE_SHORTEST_PATH: |
| 816 | // |
| 817 | // Reset the Data Path, in case it was set already, because |
| 818 | // we are going to recompute it anyway. |
| 819 | // |
| 820 | flowPath.flowEntries().clear(); |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 821 | shouldRecomputeFlowPaths.put(flowPath.flowId().value(), |
| 822 | flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 823 | break; |
| 824 | case FP_TYPE_EXPLICIT_PATH: |
| 825 | // |
| 826 | // Mark all Flow Entries for installation in the switches. |
| 827 | // |
| 828 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 829 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 830 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 831 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 832 | break; |
Pavlin Radoslavov | 4839f6d | 2013-12-11 12:49:45 -0800 | [diff] [blame] | 833 | case FP_TYPE_UNKNOWN: |
| 834 | log.error("FlowPath event with unknown type"); |
| 835 | break; |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 836 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 837 | allFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 838 | |
| 839 | break; |
| 840 | } |
| 841 | |
| 842 | case ENTRY_REMOVE: { |
| 843 | // |
| 844 | // Remove an existing Flow Path. |
| 845 | // |
| 846 | // Find the Flow Path, and mark the Flow and its Flow Entries |
| 847 | // for deletion. |
| 848 | // |
| 849 | FlowPath existingFlowPath = |
| 850 | allFlowPaths.get(flowPath.flowId().value()); |
| 851 | if (existingFlowPath == null) |
| 852 | continue; // Nothing to do |
| 853 | |
| 854 | existingFlowPath.setFlowPathUserState(FlowPathUserState.FP_USER_DELETE); |
| 855 | for (FlowEntry flowEntry : existingFlowPath.flowEntries()) { |
| 856 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 857 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 858 | } |
| 859 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 860 | // Remove the Flow Path from the internal state |
| 861 | Long key = existingFlowPath.flowId().value(); |
| 862 | allFlowPaths.remove(key); |
| 863 | shouldRecomputeFlowPaths.remove(key); |
| 864 | modifiedFlowPaths.put(key, existingFlowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 865 | |
| 866 | break; |
| 867 | } |
| 868 | } |
| 869 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 870 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 871 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 872 | /** |
| 873 | * Process the Topology events. |
| 874 | */ |
| 875 | private void processTopologyEvents() { |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 876 | boolean isTopologyModified = false; |
| 877 | |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 878 | if (enableOnrc2014MeasurementsTopology) { |
| 879 | if (topologyEvents.isEmpty()) |
| 880 | return; |
Pavlin Radoslavov | 52119fa | 2014-01-09 13:37:52 -0800 | [diff] [blame] | 881 | |
Pavlin Radoslavov | 2a8b9de | 2014-01-09 15:58:32 -0800 | [diff] [blame] | 882 | // TODO: Code for debugging purpose only |
| 883 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 884 | TopologyElement topologyElement = eventEntry.eventData(); |
| 885 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
| 886 | topologyElement.toString()); |
| 887 | } |
| 888 | |
Pavlin Radoslavov | 1b45490 | 2014-01-09 16:28:27 -0800 | [diff] [blame] | 889 | log.debug("[BEFORE] {}", topology.toString()); |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 890 | topology.readFromDatabase(dbHandler); |
| 891 | log.debug("[AFTER] {}", topology.toString()); |
| 892 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
| 893 | return; |
| 894 | } |
| 895 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 896 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 897 | // Process all Topology events and update the appropriate state |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 898 | // |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 899 | for (EventEntry<TopologyElement> eventEntry : topologyEvents) { |
| 900 | TopologyElement topologyElement = eventEntry.eventData(); |
Naoki Shiota | 0abe38d | 2014-01-07 15:31:22 -0800 | [diff] [blame] | 901 | |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 902 | log.debug("Topology Event: {} {}", eventEntry.eventType(), |
Pavlin Radoslavov | 80bc3cf | 2014-01-08 11:17:30 -0800 | [diff] [blame] | 903 | topologyElement.toString()); |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 904 | |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 905 | switch (eventEntry.eventType()) { |
| 906 | case ENTRY_ADD: |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 907 | isTopologyModified |= topology.addTopologyElement(topologyElement); |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 908 | break; |
| 909 | case ENTRY_REMOVE: |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 910 | isTopologyModified |= topology.removeTopologyElement(topologyElement); |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 911 | break; |
| 912 | } |
| 913 | } |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 914 | if (isTopologyModified) { |
| 915 | // TODO: For now, if the topology changes, we recompute all Flows |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 916 | shouldRecomputeFlowPaths.putAll(allFlowPaths); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 917 | } |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 918 | } |
Pavlin Radoslavov | a23e541 | 2013-10-27 19:56:40 -0700 | [diff] [blame] | 919 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 920 | /** |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 921 | * Process previously received Flow Entries with unmatched Flow Paths. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 922 | */ |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 923 | private void processUnmatchedFlowEntryAdd() { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 924 | FlowPath flowPath; |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 925 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 926 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 927 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 928 | // Update Flow Entries with previously unmatched Flow Entry updates |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 929 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 930 | if (! unmatchedFlowEntryAdd.isEmpty()) { |
| 931 | Map<Long, FlowEntry> remainingUpdates = new HashMap<Long, FlowEntry>(); |
| 932 | for (FlowEntry flowEntry : unmatchedFlowEntryAdd.values()) { |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 933 | // log.debug("Processing Unmatched Flow Entry: {}", |
| 934 | // flowEntry.toString()); |
| 935 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 936 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 937 | if (flowPath == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 938 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 939 | flowEntry); |
| 940 | continue; |
| 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 | remainingUpdates.put(flowEntry.flowEntryId().value(), |
| 945 | flowEntry); |
| 946 | continue; |
| 947 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 948 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 949 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 950 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 951 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 952 | unmatchedFlowEntryAdd = remainingUpdates; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 953 | } |
Pavlin Radoslavov | 9bb4055 | 2013-12-18 21:08:30 -0800 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | /** |
| 957 | * Process the Flow Entry events. |
| 958 | */ |
| 959 | private void processFlowEntryEvents() { |
| 960 | FlowPath flowPath; |
| 961 | FlowEntry localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 962 | |
| 963 | // |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 964 | // Process all Flow Entry events and update the appropriate state |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 965 | // |
| 966 | for (EventEntry<FlowEntry> eventEntry : flowEntryEvents) { |
| 967 | FlowEntry flowEntry = eventEntry.eventData(); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 968 | |
| 969 | log.debug("Flow Entry Event: {} {}", eventEntry.eventType(), |
Yuta HIGUCHI | 5302ddf | 2014-01-06 12:53:35 -0800 | [diff] [blame] | 970 | flowEntry); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 971 | |
| 972 | if ((! flowEntry.isValidFlowId()) || |
| 973 | (! flowEntry.isValidFlowEntryId())) { |
| 974 | continue; |
| 975 | } |
| 976 | |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 977 | switch (eventEntry.eventType()) { |
| 978 | case ENTRY_ADD: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 979 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 980 | if (flowPath == null) { |
| 981 | // Flow Path not found: keep the entry for later matching |
| 982 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 983 | flowEntry); |
| 984 | break; |
| 985 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 986 | localFlowEntry = findFlowEntryAdd(flowPath, flowEntry); |
| 987 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 988 | // Flow Entry not found: keep the entry for later matching |
| 989 | unmatchedFlowEntryAdd.put(flowEntry.flowEntryId().value(), |
| 990 | flowEntry); |
| 991 | break; |
| 992 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 993 | if (updateFlowEntryAdd(flowPath, localFlowEntry, flowEntry)) { |
| 994 | // Add the updated Flow Path to the list of updated paths |
| 995 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 996 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 997 | break; |
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 | case ENTRY_REMOVE: |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1000 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1001 | if (unmatchedFlowEntryAdd.remove(flowEntry.flowEntryId().value()) != null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 1002 | continue; // Removed previously unmatched entry |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1003 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 1004 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1005 | flowPath = allFlowPaths.get(flowEntry.flowId().value()); |
| 1006 | if (flowPath == null) { |
| 1007 | // Flow Path not found: ignore the update |
| 1008 | break; |
| 1009 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1010 | localFlowEntry = findFlowEntryRemove(flowPath, flowEntry); |
| 1011 | if (localFlowEntry == null) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 1012 | // Flow Entry not found: ignore it |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1013 | break; |
| 1014 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1015 | if (updateFlowEntryRemove(flowPath, localFlowEntry, |
| 1016 | flowEntry)) { |
| 1017 | // Add the updated Flow Path to the list of updated paths |
| 1018 | modifiedFlowPaths.put(flowPath.flowId().value(), flowPath); |
| 1019 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1020 | break; |
| 1021 | } |
| 1022 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | /** |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1026 | * Find a Flow Entry that should be updated because of an external |
| 1027 | * ENTRY_ADD event. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1028 | * |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1029 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1030 | * @param newFlowEntry the FlowEntry with the new state. |
| 1031 | * @return the Flow Entry that should be updated if found, otherwise null. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1032 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1033 | private FlowEntry findFlowEntryAdd(FlowPath flowPath, |
| 1034 | FlowEntry newFlowEntry) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1035 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1036 | // Iterate over all Flow Entries and find a match. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1037 | // |
| 1038 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1039 | if (! TopologyManager.isSameFlowEntryDataPath(localFlowEntry, |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1040 | newFlowEntry)) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1041 | continue; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1042 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1043 | |
| 1044 | // |
| 1045 | // Local Flow Entry match found |
| 1046 | // |
| 1047 | if (localFlowEntry.isValidFlowEntryId()) { |
| 1048 | if (localFlowEntry.flowEntryId().value() != |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1049 | newFlowEntry.flowEntryId().value()) { |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1050 | // |
| 1051 | // Find a local Flow Entry, but the Flow Entry ID doesn't |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1052 | // match. Keep looking. |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1053 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1054 | continue; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1055 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1056 | } |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1057 | return localFlowEntry; |
| 1058 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1059 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1060 | return null; // Entry not found |
| 1061 | } |
| 1062 | |
| 1063 | /** |
| 1064 | * Update a Flow Entry because of an external ENTRY_ADD event. |
| 1065 | * |
| 1066 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 1067 | * @param localFlowEntry the local Flow Entry to update. |
| 1068 | * @param newFlowEntry the FlowEntry with the new state. |
| 1069 | * @return true if the local Flow Entry was updated, otherwise false. |
| 1070 | */ |
| 1071 | private boolean updateFlowEntryAdd(FlowPath flowPath, |
| 1072 | FlowEntry localFlowEntry, |
| 1073 | FlowEntry newFlowEntry) { |
| 1074 | boolean updated = false; |
| 1075 | |
| 1076 | if (localFlowEntry.flowEntryUserState() == |
| 1077 | FlowEntryUserState.FE_USER_DELETE) { |
| 1078 | // Don't add-back a Flow Entry that is already deleted |
| 1079 | return false; |
| 1080 | } |
| 1081 | |
| 1082 | if (! localFlowEntry.isValidFlowEntryId()) { |
| 1083 | // Update the Flow Entry ID |
| 1084 | FlowEntryId flowEntryId = |
| 1085 | new FlowEntryId(newFlowEntry.flowEntryId().value()); |
| 1086 | localFlowEntry.setFlowEntryId(flowEntryId); |
| 1087 | updated = true; |
| 1088 | } |
| 1089 | |
| 1090 | // |
| 1091 | // Update the local Flow Entry, and keep state to check |
| 1092 | // if the Flow Path has been installed. |
| 1093 | // |
| 1094 | if (localFlowEntry.flowEntryUserState() != |
| 1095 | newFlowEntry.flowEntryUserState()) { |
| 1096 | localFlowEntry.setFlowEntryUserState( |
| 1097 | newFlowEntry.flowEntryUserState()); |
| 1098 | updated = true; |
| 1099 | } |
| 1100 | if (localFlowEntry.flowEntrySwitchState() != |
| 1101 | newFlowEntry.flowEntrySwitchState()) { |
| 1102 | localFlowEntry.setFlowEntrySwitchState( |
| 1103 | newFlowEntry.flowEntrySwitchState()); |
Pavlin Radoslavov | 7208e9a | 2013-12-11 14:31:07 -0800 | [diff] [blame] | 1104 | checkIfInstalledFlowPaths.put(flowPath.flowId().value(), flowPath); |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1105 | updated = true; |
| 1106 | } |
| 1107 | |
| 1108 | return updated; |
| 1109 | } |
| 1110 | |
| 1111 | /** |
| 1112 | * Find a Flow Entry that should be updated because of an external |
| 1113 | * ENTRY_REMOVE event. |
| 1114 | * |
| 1115 | * @param flowPath the FlowPath for the Flow Entry to update. |
| 1116 | * @param newFlowEntry the FlowEntry with the new state. |
| 1117 | * @return the Flow Entry that should be updated if found, otherwise null. |
| 1118 | */ |
| 1119 | private FlowEntry findFlowEntryRemove(FlowPath flowPath, |
| 1120 | FlowEntry newFlowEntry) { |
| 1121 | // |
| 1122 | // Iterate over all Flow Entries and find a match based on |
| 1123 | // the Flow Entry ID. |
| 1124 | // |
| 1125 | for (FlowEntry localFlowEntry : flowPath.flowEntries()) { |
| 1126 | if (! localFlowEntry.isValidFlowEntryId()) |
| 1127 | continue; |
| 1128 | if (localFlowEntry.flowEntryId().value() != |
| 1129 | newFlowEntry.flowEntryId().value()) { |
| 1130 | continue; |
| 1131 | } |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1132 | return localFlowEntry; |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1133 | } |
| 1134 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1135 | return null; // Entry not found |
| 1136 | } |
| 1137 | |
| 1138 | /** |
| 1139 | * Update a Flow Entry because of an external ENTRY_REMOVE event. |
| 1140 | * |
| 1141 | * @param flowPath the FlowPath for the Flow Entry to update. |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1142 | * @param localFlowEntry the local Flow Entry to update. |
| 1143 | * @param newFlowEntry the FlowEntry with the new state. |
| 1144 | * @return true if the local Flow Entry was updated, otherwise false. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1145 | */ |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1146 | private boolean updateFlowEntryRemove(FlowPath flowPath, |
| 1147 | FlowEntry localFlowEntry, |
| 1148 | FlowEntry newFlowEntry) { |
| 1149 | boolean updated = false; |
| 1150 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1151 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1152 | // Update the local Flow Entry. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1153 | // |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1154 | if (localFlowEntry.flowEntryUserState() != |
| 1155 | newFlowEntry.flowEntryUserState()) { |
| 1156 | localFlowEntry.setFlowEntryUserState( |
| 1157 | newFlowEntry.flowEntryUserState()); |
| 1158 | updated = true; |
| 1159 | } |
| 1160 | if (localFlowEntry.flowEntrySwitchState() != |
| 1161 | newFlowEntry.flowEntrySwitchState()) { |
| 1162 | localFlowEntry.setFlowEntrySwitchState( |
| 1163 | newFlowEntry.flowEntrySwitchState()); |
| 1164 | updated = true; |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 1165 | } |
| 1166 | |
Pavlin Radoslavov | 237fde7 | 2013-12-17 22:21:06 -0800 | [diff] [blame] | 1167 | return updated; |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1168 | } |
| 1169 | |
| 1170 | /** |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1171 | * Recompute a Flow Path. |
| 1172 | * |
| 1173 | * @param flowPath the Flow Path to recompute. |
| 1174 | * @return true if the recomputed Flow Path has changed, otherwise false. |
| 1175 | */ |
| 1176 | private boolean recomputeFlowPath(FlowPath flowPath) { |
| 1177 | boolean hasChanged = false; |
| 1178 | |
Pavlin Radoslavov | 7bf837a | 2014-01-09 14:22:05 -0800 | [diff] [blame] | 1179 | if (enableOnrc2014MeasurementsFlows) { |
| 1180 | // Cleanup the deleted Flow Entries from the earlier iteration |
| 1181 | flowPath.dataPath().removeDeletedFlowEntries(); |
Pavlin Radoslavov | 737aa52 | 2014-01-09 15:35:00 -0800 | [diff] [blame] | 1182 | |
| 1183 | // |
| 1184 | // TODO: Fake it that the Flow Entries have been already pushed |
| 1185 | // into the switches, so we don't push them again. |
| 1186 | // |
| 1187 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 1188 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_UPDATED); |
| 1189 | } |
Pavlin Radoslavov | 7bf837a | 2014-01-09 14:22:05 -0800 | [diff] [blame] | 1190 | } |
| 1191 | |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1192 | // |
| 1193 | // Test whether the Flow Path needs to be recomputed |
| 1194 | // |
| 1195 | switch (flowPath.flowPathType()) { |
Yuta HIGUCHI | e1038fb | 2013-10-30 15:35:18 -0700 | [diff] [blame] | 1196 | case FP_TYPE_UNKNOWN: |
| 1197 | return false; // Can't recompute on Unknown FlowType |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1198 | case FP_TYPE_SHORTEST_PATH: |
| 1199 | break; |
| 1200 | case FP_TYPE_EXPLICIT_PATH: |
| 1201 | return false; // An explicit path never changes |
| 1202 | } |
| 1203 | |
| 1204 | DataPath oldDataPath = flowPath.dataPath(); |
| 1205 | |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1206 | // Compute the new path |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 1207 | DataPath newDataPath; |
Yuta HIGUCHI | d8c3724 | 2014-01-07 11:51:29 -0800 | [diff] [blame] | 1208 | newDataPath = TopologyManager.computeNetworkPath(topology, |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1209 | flowPath); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1210 | if (newDataPath == null) { |
| 1211 | // We need the DataPath to compare the paths |
| 1212 | newDataPath = new DataPath(); |
| 1213 | } |
| 1214 | newDataPath.applyFlowPathFlags(flowPath.flowPathFlags()); |
| 1215 | |
| 1216 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1217 | // Test whether the new path is same |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1218 | // |
| 1219 | if (oldDataPath.flowEntries().size() != |
| 1220 | newDataPath.flowEntries().size()) { |
| 1221 | hasChanged = true; |
| 1222 | } else { |
| 1223 | Iterator<FlowEntry> oldIter = oldDataPath.flowEntries().iterator(); |
| 1224 | Iterator<FlowEntry> newIter = newDataPath.flowEntries().iterator(); |
| 1225 | while (oldIter.hasNext() && newIter.hasNext()) { |
| 1226 | FlowEntry oldFlowEntry = oldIter.next(); |
| 1227 | FlowEntry newFlowEntry = newIter.next(); |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1228 | if (! TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1229 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1230 | hasChanged = true; |
| 1231 | break; |
| 1232 | } |
| 1233 | } |
| 1234 | } |
| 1235 | if (! hasChanged) |
| 1236 | return hasChanged; |
| 1237 | |
| 1238 | // |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1239 | // Merge the changes in the path: |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1240 | // - If a Flow Entry for a switch is in the old data path, but not |
| 1241 | // in the new data path, then mark it for deletion. |
| 1242 | // - If a Flow Entry for a switch is in the new data path, but not |
| 1243 | // in the old data path, then mark it for addition. |
| 1244 | // - If a Flow Entry for a switch is in both the old and the new |
| 1245 | // data path, but it has changed, e.g., the incoming and/or outgoing |
| 1246 | // port(s), then mark the old Flow Entry for deletion, and mark |
| 1247 | // the new Flow Entry for addition. |
| 1248 | // - If a Flow Entry for a switch is in both the old and the new |
| 1249 | // data path, and it hasn't changed, then just keep it. |
| 1250 | // |
| 1251 | // NOTE: We use the Switch DPID of each entry to match the entries |
| 1252 | // |
| 1253 | Map<Long, FlowEntry> oldFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1254 | Map<Long, FlowEntry> newFlowEntriesMap = new HashMap<Long, FlowEntry>(); |
| 1255 | ArrayList<FlowEntry> finalFlowEntries = new ArrayList<FlowEntry>(); |
| 1256 | List<FlowEntry> deletedFlowEntries = new LinkedList<FlowEntry>(); |
| 1257 | |
| 1258 | // Prepare maps with the Flow Entries, so they are fast to lookup |
| 1259 | for (FlowEntry flowEntry : oldDataPath.flowEntries()) |
| 1260 | oldFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1261 | for (FlowEntry flowEntry : newDataPath.flowEntries()) |
| 1262 | newFlowEntriesMap.put(flowEntry.dpid().value(), flowEntry); |
| 1263 | |
| 1264 | // |
| 1265 | // Find the old Flow Entries that should be deleted |
| 1266 | // |
| 1267 | for (FlowEntry oldFlowEntry : oldDataPath.flowEntries()) { |
| 1268 | FlowEntry newFlowEntry = |
| 1269 | newFlowEntriesMap.get(oldFlowEntry.dpid().value()); |
| 1270 | if (newFlowEntry == null) { |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1271 | // The old Flow Entry should be deleted: not on the path |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1272 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1273 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1274 | deletedFlowEntries.add(oldFlowEntry); |
| 1275 | } |
| 1276 | } |
| 1277 | |
| 1278 | // |
| 1279 | // Find the new Flow Entries that should be added or updated |
| 1280 | // |
| 1281 | int idx = 0; |
| 1282 | for (FlowEntry newFlowEntry : newDataPath.flowEntries()) { |
| 1283 | FlowEntry oldFlowEntry = |
| 1284 | oldFlowEntriesMap.get(newFlowEntry.dpid().value()); |
| 1285 | |
| 1286 | if ((oldFlowEntry != null) && |
Pavlin Radoslavov | 3ecd41e | 2013-10-29 14:29:30 -0700 | [diff] [blame] | 1287 | TopologyManager.isSameFlowEntryDataPath(oldFlowEntry, |
| 1288 | newFlowEntry)) { |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1289 | // |
| 1290 | // Both Flow Entries are same |
| 1291 | // |
| 1292 | finalFlowEntries.add(oldFlowEntry); |
| 1293 | idx++; |
| 1294 | continue; |
| 1295 | } |
| 1296 | |
| 1297 | if (oldFlowEntry != null) { |
| 1298 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1299 | // The old Flow Entry should be deleted: path diverges |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1300 | // |
| 1301 | oldFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1302 | oldFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1303 | deletedFlowEntries.add(oldFlowEntry); |
| 1304 | } |
| 1305 | |
| 1306 | // |
| 1307 | // Add the new Flow Entry |
| 1308 | // |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 1309 | // |
| 1310 | // NOTE: Assign only the Flow ID. |
| 1311 | // The Flow Entry ID is assigned later only for the Flow Entries |
| 1312 | // this instance is responsible for. |
| 1313 | // |
| 1314 | newFlowEntry.setFlowId(new FlowId(flowPath.flowId().value())); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1315 | |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1316 | // |
Pavlin Radoslavov | 6fde217 | 2013-12-10 11:23:18 -0800 | [diff] [blame] | 1317 | // Copy the Flow timeouts |
| 1318 | // |
| 1319 | newFlowEntry.setIdleTimeout(flowPath.idleTimeout()); |
| 1320 | newFlowEntry.setHardTimeout(flowPath.hardTimeout()); |
| 1321 | |
| 1322 | // |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1323 | // Allocate the FlowEntryMatch by copying the default one |
| 1324 | // from the FlowPath (if set). |
| 1325 | // |
| 1326 | FlowEntryMatch flowEntryMatch = null; |
| 1327 | if (flowPath.flowEntryMatch() != null) |
| 1328 | flowEntryMatch = new FlowEntryMatch(flowPath.flowEntryMatch()); |
| 1329 | else |
| 1330 | flowEntryMatch = new FlowEntryMatch(); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1331 | newFlowEntry.setFlowEntryMatch(flowEntryMatch); |
Pavlin Radoslavov | a4df952 | 2013-12-03 11:03:04 -0800 | [diff] [blame] | 1332 | |
| 1333 | // Set the incoming port matching |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1334 | flowEntryMatch.enableInPort(newFlowEntry.inPort()); |
| 1335 | |
| 1336 | // |
| 1337 | // Set the actions: |
| 1338 | // If the first Flow Entry, copy the Flow Path actions to it. |
| 1339 | // |
| 1340 | FlowEntryActions flowEntryActions = newFlowEntry.flowEntryActions(); |
| 1341 | if ((idx == 0) && (flowPath.flowEntryActions() != null)) { |
| 1342 | FlowEntryActions flowActions = |
| 1343 | new FlowEntryActions(flowPath.flowEntryActions()); |
| 1344 | for (FlowEntryAction action : flowActions.actions()) |
| 1345 | flowEntryActions.addAction(action); |
| 1346 | } |
| 1347 | idx++; |
| 1348 | |
| 1349 | // |
| 1350 | // Add the outgoing port output action |
| 1351 | // |
| 1352 | FlowEntryAction flowEntryAction = new FlowEntryAction(); |
| 1353 | flowEntryAction.setActionOutput(newFlowEntry.outPort()); |
| 1354 | flowEntryActions.addAction(flowEntryAction); |
| 1355 | |
| 1356 | // |
| 1357 | // Set the state of the new Flow Entry |
| 1358 | // |
| 1359 | newFlowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_ADD); |
| 1360 | newFlowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 1361 | finalFlowEntries.add(newFlowEntry); |
| 1362 | } |
| 1363 | |
| 1364 | // |
| 1365 | // Replace the old Flow Entries with the new Flow Entries. |
| 1366 | // Note that the Flow Entries that will be deleted are added at |
| 1367 | // the end. |
| 1368 | // |
Pavlin Radoslavov | fb94edc | 2013-11-04 16:29:40 -0800 | [diff] [blame] | 1369 | finalFlowEntries.addAll(deletedFlowEntries); |
Pavlin Radoslavov | fb06a9e | 2013-10-28 23:56:15 -0700 | [diff] [blame] | 1370 | flowPath.dataPath().setFlowEntries(finalFlowEntries); |
| 1371 | |
| 1372 | return hasChanged; |
| 1373 | } |
| 1374 | |
| 1375 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1376 | * Receive a notification that a Flow is added. |
| 1377 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1378 | * @param flowPath the Flow that is added. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1379 | */ |
| 1380 | @Override |
| 1381 | public void notificationRecvFlowAdded(FlowPath flowPath) { |
| 1382 | EventEntry<FlowPath> eventEntry = |
| 1383 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1384 | networkEvents.add(eventEntry); |
| 1385 | } |
| 1386 | |
| 1387 | /** |
| 1388 | * Receive a notification that a Flow is removed. |
| 1389 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1390 | * @param flowPath the Flow that is removed. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1391 | */ |
| 1392 | @Override |
| 1393 | public void notificationRecvFlowRemoved(FlowPath flowPath) { |
| 1394 | EventEntry<FlowPath> eventEntry = |
| 1395 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_REMOVE, flowPath); |
| 1396 | networkEvents.add(eventEntry); |
| 1397 | } |
| 1398 | |
| 1399 | /** |
| 1400 | * Receive a notification that a Flow is updated. |
| 1401 | * |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1402 | * @param flowPath the Flow that is updated. |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1403 | */ |
| 1404 | @Override |
| 1405 | public void notificationRecvFlowUpdated(FlowPath flowPath) { |
| 1406 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1407 | EventEntry<FlowPath> eventEntry = |
| 1408 | new EventEntry<FlowPath>(EventEntry.Type.ENTRY_ADD, flowPath); |
| 1409 | networkEvents.add(eventEntry); |
| 1410 | } |
| 1411 | |
| 1412 | /** |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1413 | * Receive a notification that a FlowEntry is added. |
| 1414 | * |
| 1415 | * @param flowEntry the FlowEntry that is added. |
| 1416 | */ |
| 1417 | @Override |
| 1418 | public void notificationRecvFlowEntryAdded(FlowEntry flowEntry) { |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1419 | if (enableOnrc2014MeasurementsFlows) { |
Brian O'Connor | 2daf7a9 | 2014-01-14 11:26:35 -0800 | [diff] [blame] | 1420 | // String tag = "EventHandler.AddFlowEntryToSwitch." + flowEntry.flowEntryId(); |
| 1421 | String tag = "EventHandler.AddFlowEntryToSwitch"; |
| 1422 | PerformanceMonitor.Measurement m = PerformanceMonitor.start(tag); |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1423 | Collection entries = new ArrayList(); |
| 1424 | entries.add(flowEntry); |
| 1425 | flowManager.pushModifiedFlowEntriesToSwitches(entries); |
Brian O'Connor | 2daf7a9 | 2014-01-14 11:26:35 -0800 | [diff] [blame] | 1426 | // PerformanceMonitor.stop(tag); |
| 1427 | m.stop(); |
| 1428 | // PerformanceMonitor.report(tag); |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1429 | return; |
| 1430 | } |
| 1431 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1432 | EventEntry<FlowEntry> eventEntry = |
| 1433 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1434 | networkEvents.add(eventEntry); |
| 1435 | } |
| 1436 | |
| 1437 | /** |
| 1438 | * Receive a notification that a FlowEntry is removed. |
| 1439 | * |
| 1440 | * @param flowEntry the FlowEntry that is removed. |
| 1441 | */ |
| 1442 | @Override |
| 1443 | public void notificationRecvFlowEntryRemoved(FlowEntry flowEntry) { |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1444 | if (enableOnrc2014MeasurementsFlows) { |
Brian O'Connor | 2daf7a9 | 2014-01-14 11:26:35 -0800 | [diff] [blame] | 1445 | // String tag = "EventHandler.RemoveFlowEntryFromSwitch." + flowEntry.flowEntryId(); |
| 1446 | String tag = "EventHandler.RemoveFlowEntryFromSwitch"; |
| 1447 | PerformanceMonitor.Measurement m = PerformanceMonitor.start(tag); |
Pavlin Radoslavov | e4d2a43 | 2014-01-10 12:01:08 -0800 | [diff] [blame] | 1448 | // |
| 1449 | // NOTE: Must update the state to DELETE, because |
| 1450 | // the notification contains the original state. |
| 1451 | // |
| 1452 | flowEntry.setFlowEntryUserState(FlowEntryUserState.FE_USER_DELETE); |
| 1453 | |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1454 | Collection entries = new ArrayList(); |
| 1455 | entries.add(flowEntry); |
| 1456 | flowManager.pushModifiedFlowEntriesToSwitches(entries); |
Brian O'Connor | 2daf7a9 | 2014-01-14 11:26:35 -0800 | [diff] [blame] | 1457 | // PerformanceMonitor.stop(tag); |
| 1458 | m.stop(); |
| 1459 | // PerformanceMonitor.report(tag); |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1460 | return; |
| 1461 | } |
| 1462 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1463 | EventEntry<FlowEntry> eventEntry = |
| 1464 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_REMOVE, flowEntry); |
| 1465 | networkEvents.add(eventEntry); |
| 1466 | } |
| 1467 | |
| 1468 | /** |
| 1469 | * Receive a notification that a FlowEntry is updated. |
| 1470 | * |
| 1471 | * @param flowEntry the FlowEntry that is updated. |
| 1472 | */ |
| 1473 | @Override |
| 1474 | public void notificationRecvFlowEntryUpdated(FlowEntry flowEntry) { |
Pavlin Radoslavov | 7847db7 | 2014-01-10 11:35:21 -0800 | [diff] [blame] | 1475 | if (enableOnrc2014MeasurementsFlows) { |
| 1476 | Collection entries = new ArrayList(); |
| 1477 | entries.add(flowEntry); |
| 1478 | flowManager.pushModifiedFlowEntriesToSwitches(entries); |
| 1479 | return; |
| 1480 | } |
| 1481 | |
Pavlin Radoslavov | b750684 | 2013-10-29 17:46:54 -0700 | [diff] [blame] | 1482 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1483 | EventEntry<FlowEntry> eventEntry = |
| 1484 | new EventEntry<FlowEntry>(EventEntry.Type.ENTRY_ADD, flowEntry); |
| 1485 | networkEvents.add(eventEntry); |
| 1486 | } |
| 1487 | |
| 1488 | /** |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1489 | * Receive a notification that a FlowId is added. |
| 1490 | * |
| 1491 | * @param flowId the FlowId that is added. |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1492 | * @param dpid the Source Switch Dpid for the corresponding Flow. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1493 | */ |
| 1494 | @Override |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1495 | public void notificationRecvFlowIdAdded(FlowId flowId, Dpid dpid) { |
| 1496 | Pair flowIdPair = new Pair(flowId, dpid); |
| 1497 | |
| 1498 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 1499 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowIdPair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1500 | networkEvents.add(eventEntry); |
| 1501 | } |
| 1502 | |
| 1503 | /** |
| 1504 | * Receive a notification that a FlowId is removed. |
| 1505 | * |
| 1506 | * @param flowId the FlowId that is removed. |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1507 | * @param dpid the Source Switch Dpid for the corresponding Flow. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1508 | */ |
| 1509 | @Override |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1510 | public void notificationRecvFlowIdRemoved(FlowId flowId, Dpid dpid) { |
| 1511 | Pair flowIdPair = new Pair(flowId, dpid); |
| 1512 | |
| 1513 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 1514 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_REMOVE, flowIdPair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1515 | networkEvents.add(eventEntry); |
| 1516 | } |
| 1517 | |
| 1518 | /** |
| 1519 | * Receive a notification that a FlowId is updated. |
| 1520 | * |
| 1521 | * @param flowId the FlowId that is updated. |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1522 | * @param dpid the Source Switch Dpid for the corresponding Flow. |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1523 | */ |
| 1524 | @Override |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1525 | public void notificationRecvFlowIdUpdated(FlowId flowId, Dpid dpid) { |
| 1526 | Pair flowIdPair = new Pair(flowId, dpid); |
| 1527 | |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1528 | // NOTE: The ADD and UPDATE events are processed in same way |
Pavlin Radoslavov | 2194d11 | 2014-01-10 13:36:00 -0800 | [diff] [blame] | 1529 | EventEntry<Pair<FlowId, Dpid>> eventEntry = |
| 1530 | new EventEntry<Pair<FlowId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowIdPair); |
Pavlin Radoslavov | 2004fa0 | 2014-01-07 14:46:42 -0800 | [diff] [blame] | 1531 | networkEvents.add(eventEntry); |
| 1532 | } |
| 1533 | |
| 1534 | /** |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1535 | * Receive a notification that a FlowEntryId is added. |
| 1536 | * |
| 1537 | * @param flowEntryId the FlowEntryId that is added. |
| 1538 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1539 | */ |
| 1540 | @Override |
| 1541 | public void notificationRecvFlowEntryIdAdded(FlowEntryId flowEntryId, |
| 1542 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1543 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1544 | |
| 1545 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1546 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1547 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1548 | } |
| 1549 | |
| 1550 | /** |
| 1551 | * Receive a notification that a FlowEntryId is removed. |
| 1552 | * |
| 1553 | * @param flowEntryId the FlowEntryId that is removed. |
| 1554 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1555 | */ |
| 1556 | @Override |
| 1557 | public void notificationRecvFlowEntryIdRemoved(FlowEntryId flowEntryId, |
| 1558 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1559 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1560 | |
| 1561 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1562 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_REMOVE, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1563 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1564 | } |
| 1565 | |
| 1566 | /** |
| 1567 | * Receive a notification that a FlowEntryId is updated. |
| 1568 | * |
| 1569 | * @param flowEntryId the FlowEntryId that is updated. |
| 1570 | * @param dpid the Switch Dpid for the corresponding Flow Entry. |
| 1571 | */ |
| 1572 | @Override |
| 1573 | public void notificationRecvFlowEntryIdUpdated(FlowEntryId flowEntryId, |
| 1574 | Dpid dpid) { |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1575 | Pair flowEntryIdPair = new Pair(flowEntryId, dpid); |
| 1576 | |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1577 | // NOTE: The ADD and UPDATE events are processed in same way |
Pavlin Radoslavov | a9c0c3b | 2014-01-09 10:54:45 -0800 | [diff] [blame] | 1578 | EventEntry<Pair<FlowEntryId, Dpid>> eventEntry = |
| 1579 | new EventEntry<Pair<FlowEntryId, Dpid>>(EventEntry.Type.ENTRY_ADD, flowEntryIdPair); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1580 | networkEvents.add(eventEntry); |
Pavlin Radoslavov | 909da3c | 2014-01-09 04:04:33 -0800 | [diff] [blame] | 1581 | } |
| 1582 | |
| 1583 | /** |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1584 | * Receive a notification that a Topology Element is added. |
| 1585 | * |
| 1586 | * @param topologyElement the Topology Element that is added. |
| 1587 | */ |
| 1588 | @Override |
| 1589 | public void notificationRecvTopologyElementAdded(TopologyElement topologyElement) { |
| 1590 | EventEntry<TopologyElement> eventEntry = |
| 1591 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1592 | networkEvents.add(eventEntry); |
| 1593 | } |
| 1594 | |
| 1595 | /** |
| 1596 | * Receive a notification that a Topology Element is removed. |
| 1597 | * |
| 1598 | * @param topologyElement the Topology Element that is removed. |
| 1599 | */ |
| 1600 | @Override |
| 1601 | public void notificationRecvTopologyElementRemoved(TopologyElement topologyElement) { |
| 1602 | EventEntry<TopologyElement> eventEntry = |
| 1603 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_REMOVE, topologyElement); |
| 1604 | networkEvents.add(eventEntry); |
| 1605 | } |
| 1606 | |
| 1607 | /** |
| 1608 | * Receive a notification that a Topology Element is updated. |
| 1609 | * |
| 1610 | * @param topologyElement the Topology Element that is updated. |
| 1611 | */ |
| 1612 | @Override |
| 1613 | public void notificationRecvTopologyElementUpdated(TopologyElement topologyElement) { |
| 1614 | // NOTE: The ADD and UPDATE events are processed in same way |
| 1615 | EventEntry<TopologyElement> eventEntry = |
| 1616 | new EventEntry<TopologyElement>(EventEntry.Type.ENTRY_ADD, topologyElement); |
| 1617 | networkEvents.add(eventEntry); |
| 1618 | } |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 1619 | |
| 1620 | /** |
Pavlin Radoslavov | cc75716 | 2014-01-10 16:26:38 -0800 | [diff] [blame] | 1621 | * Receive a notification that a switch is added to this instance. |
| 1622 | * |
| 1623 | * @param sw the switch that is added. |
| 1624 | */ |
| 1625 | @Override |
| 1626 | public void addedSwitch(IOFSwitch sw) { |
| 1627 | Dpid dpid = new Dpid(sw.getId()); |
| 1628 | EventEntry<Dpid> eventEntry = |
| 1629 | new EventEntry<Dpid>(EventEntry.Type.ENTRY_ADD, dpid); |
| 1630 | networkEvents.add(eventEntry); |
| 1631 | } |
| 1632 | |
| 1633 | /** |
| 1634 | * Receive a notification that a switch is removed from this instance. |
| 1635 | * |
| 1636 | * @param sw the switch that is removed. |
| 1637 | */ |
| 1638 | @Override |
| 1639 | public void removedSwitch(IOFSwitch sw) { |
| 1640 | Dpid dpid = new Dpid(sw.getId()); |
| 1641 | EventEntry<Dpid> eventEntry = |
| 1642 | new EventEntry<Dpid>(EventEntry.Type.ENTRY_REMOVE, dpid); |
| 1643 | networkEvents.add(eventEntry); |
| 1644 | } |
| 1645 | |
| 1646 | /** |
| 1647 | * Receive a notification that the ports on a switch have changed. |
| 1648 | */ |
| 1649 | @Override |
| 1650 | public void switchPortChanged(Long switchId) { |
| 1651 | // Nothing to do |
| 1652 | } |
| 1653 | |
| 1654 | /** |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 1655 | * Get a sorted copy of all Flow Paths. |
| 1656 | * |
| 1657 | * @return a sorted copy of all Flow Paths. |
| 1658 | */ |
| 1659 | synchronized SortedMap<Long, FlowPath> getAllFlowPathsCopy() { |
| 1660 | SortedMap<Long, FlowPath> sortedFlowPaths = |
| 1661 | new TreeMap<Long, FlowPath>(); |
| 1662 | |
| 1663 | // |
| 1664 | // TODO: For now we use serialization/deserialization to create |
| 1665 | // a copy of each Flow Path. In the future, we should use proper |
| 1666 | // copy constructors. |
| 1667 | // |
| 1668 | Kryo kryo = kryoFactory.newKryo(); |
| 1669 | synchronized (allFlowPaths) { |
| 1670 | for (Map.Entry<Long, FlowPath> entry : allFlowPaths.entrySet()) { |
| 1671 | FlowPath origFlowPath = entry.getValue(); |
| 1672 | FlowPath copyFlowPath = kryo.copy(origFlowPath); |
| 1673 | sortedFlowPaths.put(entry.getKey(), copyFlowPath); |
| 1674 | } |
| 1675 | } |
| 1676 | kryoFactory.deleteKryo(kryo); |
| 1677 | |
| 1678 | return sortedFlowPaths; |
| 1679 | } |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 1680 | } |