HIGUCHI Yuta | 60a1014 | 2013-06-14 15:50:10 -0700 | [diff] [blame] | 1 | package net.onrc.onos.ofcontroller.flowmanager; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
| 5 | import java.util.HashMap; |
Masayoshi Kobayashi | c9da09e | 2013-03-26 20:52:02 +0000 | [diff] [blame] | 6 | import java.util.LinkedList; |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 7 | import java.util.List; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 8 | import java.util.Map; |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 9 | import java.util.Random; |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 10 | import java.util.SortedMap; |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 11 | import java.util.concurrent.BlockingQueue; |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 12 | import java.util.concurrent.LinkedBlockingQueue; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 13 | import java.util.concurrent.ScheduledExecutorService; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 14 | import java.util.concurrent.TimeUnit; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 15 | |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 16 | import net.floodlightcontroller.core.IFloodlightProviderService; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 17 | import net.floodlightcontroller.core.IOFSwitch; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 18 | import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| 19 | import net.floodlightcontroller.core.module.FloodlightModuleException; |
| 20 | import net.floodlightcontroller.core.module.IFloodlightModule; |
| 21 | import net.floodlightcontroller.core.module.IFloodlightService; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 22 | import net.floodlightcontroller.restserver.IRestApiService; |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 23 | import net.onrc.onos.datagrid.IDatagridService; |
Pankaj Berde | 38646d6 | 2013-06-21 11:34:04 -0700 | [diff] [blame] | 24 | import net.onrc.onos.graph.GraphDBOperation; |
HIGUCHI Yuta | 2051490 | 2013-06-12 11:24:16 -0700 | [diff] [blame] | 25 | import net.onrc.onos.ofcontroller.core.INetMapStorage; |
| 26 | import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowEntry; |
| 27 | import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowPath; |
Pavlin Radoslavov | e9a3ef9 | 2013-10-18 18:46:45 -0700 | [diff] [blame] | 28 | import net.onrc.onos.ofcontroller.floodlightlistener.INetworkGraphService; |
HIGUCHI Yuta | 60a1014 | 2013-06-14 15:50:10 -0700 | [diff] [blame] | 29 | import net.onrc.onos.ofcontroller.flowmanager.web.FlowWebRoutable; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 30 | import net.onrc.onos.ofcontroller.flowprogrammer.IFlowPusherService; |
Pavlin Radoslavov | c086266 | 2013-12-10 15:31:49 -0800 | [diff] [blame^] | 31 | import net.onrc.onos.ofcontroller.forwarding.IForwardingService; |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 32 | import net.onrc.onos.ofcontroller.topology.Topology; |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 33 | import net.onrc.onos.ofcontroller.util.*; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 34 | |
Naoki Shiota | 1a37ca1 | 2013-11-18 10:55:23 -0800 | [diff] [blame] | 35 | import org.openflow.protocol.OFType; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 36 | import org.slf4j.Logger; |
| 37 | import org.slf4j.LoggerFactory; |
| 38 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 39 | /** |
HIGUCHI Yuta | eb567aa | 2013-10-08 19:27:35 -0700 | [diff] [blame] | 40 | * Flow Manager class for handling the network flows. |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 41 | */ |
Pavlin Radoslavov | 5adf152 | 2013-04-04 17:43:41 -0700 | [diff] [blame] | 42 | public class FlowManager implements IFloodlightModule, IFlowService, INetMapStorage { |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 43 | protected GraphDBOperation dbHandlerApi; |
| 44 | protected GraphDBOperation dbHandlerInner; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 45 | |
Jonathan Hart | 50a9498 | 2013-04-10 14:49:51 -0700 | [diff] [blame] | 46 | protected volatile IFloodlightProviderService floodlightProvider; |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 47 | protected volatile IDatagridService datagridService; |
| 48 | protected IRestApiService restApi; |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 49 | protected FloodlightModuleContext context; |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 50 | protected FlowEventHandler flowEventHandler; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 51 | |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 52 | protected IFlowPusherService pusher; |
Naoki Shiota | 5c8d19f | 2013-11-05 15:52:38 -0800 | [diff] [blame] | 53 | |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 54 | // Flow Entry ID generation state |
| 55 | private static Random randomGenerator = new Random(); |
| 56 | private static int nextFlowEntryIdPrefix = 0; |
| 57 | private static int nextFlowEntryIdSuffix = 0; |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 58 | |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 59 | /** The logger. */ |
Yuta HIGUCHI | 6ac8d18 | 2013-10-22 15:24:56 -0700 | [diff] [blame] | 60 | private final static Logger log = LoggerFactory.getLogger(FlowManager.class); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 61 | |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 62 | // The queue to write Flow Entries to the database |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 63 | private BlockingQueue<FlowPath> flowPathsToDatabaseQueue = |
| 64 | new LinkedBlockingQueue<FlowPath>(); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 65 | FlowDatabaseWriter flowDatabaseWriter; |
| 66 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 67 | /** |
| 68 | * Initialize the Flow Manager. |
| 69 | * |
| 70 | * @param conf the Graph Database configuration string. |
| 71 | */ |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 72 | @Override |
| 73 | public void init(String conf) { |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 74 | dbHandlerApi = new GraphDBOperation(conf); |
| 75 | dbHandlerInner = new GraphDBOperation(conf); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 76 | } |
| 77 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 78 | /** |
| 79 | * Shutdown the Flow Manager operation. |
| 80 | */ |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 81 | public void finalize() { |
Toshio Koide | 9fe1cb2 | 2013-06-13 13:51:11 -0700 | [diff] [blame] | 82 | close(); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 83 | } |
| 84 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 85 | /** |
| 86 | * Shutdown the Flow Manager operation. |
| 87 | */ |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 88 | @Override |
| 89 | public void close() { |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 90 | datagridService.deregisterFlowEventHandlerService(flowEventHandler); |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 91 | dbHandlerApi.close(); |
| 92 | dbHandlerInner.close(); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 93 | } |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 94 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 95 | /** |
| 96 | * Get the collection of offered module services. |
| 97 | * |
| 98 | * @return the collection of offered module services. |
| 99 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 100 | @Override |
| 101 | public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
| 102 | Collection<Class<? extends IFloodlightService>> l = |
| 103 | new ArrayList<Class<? extends IFloodlightService>>(); |
| 104 | l.add(IFlowService.class); |
| 105 | return l; |
| 106 | } |
| 107 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 108 | /** |
| 109 | * Get the collection of implemented services. |
| 110 | * |
| 111 | * @return the collection of implemented services. |
| 112 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 113 | @Override |
| 114 | public Map<Class<? extends IFloodlightService>, IFloodlightService> |
| 115 | getServiceImpls() { |
| 116 | Map<Class<? extends IFloodlightService>, |
Pavlin Radoslavov | e9a3ef9 | 2013-10-18 18:46:45 -0700 | [diff] [blame] | 117 | IFloodlightService> m = |
| 118 | new HashMap<Class<? extends IFloodlightService>, |
| 119 | IFloodlightService>(); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 120 | m.put(IFlowService.class, this); |
| 121 | return m; |
| 122 | } |
| 123 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 124 | /** |
| 125 | * Get the collection of modules this module depends on. |
| 126 | * |
| 127 | * @return the collection of modules this module depends on. |
| 128 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 129 | @Override |
| 130 | public Collection<Class<? extends IFloodlightService>> |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 131 | getModuleDependencies() { |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 132 | Collection<Class<? extends IFloodlightService>> l = |
| 133 | new ArrayList<Class<? extends IFloodlightService>>(); |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 134 | l.add(IFloodlightProviderService.class); |
Pavlin Radoslavov | e9a3ef9 | 2013-10-18 18:46:45 -0700 | [diff] [blame] | 135 | l.add(INetworkGraphService.class); |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 136 | l.add(IDatagridService.class); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 137 | l.add(IRestApiService.class); |
Pavlin Radoslavov | c086266 | 2013-12-10 15:31:49 -0800 | [diff] [blame^] | 138 | l.add(IFlowPusherService.class); |
| 139 | l.add(IForwardingService.class); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 140 | return l; |
| 141 | } |
| 142 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 143 | /** |
| 144 | * Initialize the module. |
| 145 | * |
| 146 | * @param context the module context to use for the initialization. |
| 147 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 148 | @Override |
| 149 | public void init(FloodlightModuleContext context) |
| 150 | throws FloodlightModuleException { |
Pavlin Radoslavov | 571cff9 | 2013-03-20 02:01:32 -0700 | [diff] [blame] | 151 | this.context = context; |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 152 | floodlightProvider = context.getServiceImpl(IFloodlightProviderService.class); |
Pavlin Radoslavov | 0537827 | 2013-10-19 23:23:05 -0700 | [diff] [blame] | 153 | datagridService = context.getServiceImpl(IDatagridService.class); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 154 | restApi = context.getServiceImpl(IRestApiService.class); |
Pavlin Radoslavov | 939ca6b | 2013-12-03 12:35:37 -0800 | [diff] [blame] | 155 | pusher = context.getServiceImpl(IFlowPusherService.class); |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 156 | |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 157 | this.init(""); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 158 | } |
| 159 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 160 | /** |
| 161 | * Get the next Flow Entry ID to use. |
| 162 | * |
| 163 | * @return the next Flow Entry ID to use. |
| 164 | */ |
Naoki Shiota | 4e77de9 | 2013-11-18 17:29:54 -0800 | [diff] [blame] | 165 | @Override |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 166 | public synchronized long getNextFlowEntryId() { |
Pavlin Radoslavov | 0b22d0e | 2013-04-02 01:12:46 +0000 | [diff] [blame] | 167 | // |
| 168 | // Generate the next Flow Entry ID. |
| 169 | // NOTE: For now, the higher 32 bits are random, and |
| 170 | // the lower 32 bits are sequential. |
| 171 | // In the future, we need a better allocation mechanism. |
| 172 | // |
| 173 | if ((nextFlowEntryIdSuffix & 0xffffffffL) == 0xffffffffL) { |
| 174 | nextFlowEntryIdPrefix = randomGenerator.nextInt(); |
| 175 | nextFlowEntryIdSuffix = 0; |
| 176 | } else { |
| 177 | nextFlowEntryIdSuffix++; |
| 178 | } |
| 179 | long result = (long)nextFlowEntryIdPrefix << 32; |
| 180 | result = result | (0xffffffffL & nextFlowEntryIdSuffix); |
| 181 | return result; |
| 182 | } |
| 183 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 184 | /** |
| 185 | * Startup module operation. |
| 186 | * |
| 187 | * @param context the module context to use for the startup. |
| 188 | */ |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 189 | @Override |
| 190 | public void startUp(FloodlightModuleContext context) { |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 191 | restApi.addRestletRoutable(new FlowWebRoutable()); |
Pavlin Radoslavov | 50e532e | 2013-10-20 02:07:51 -0700 | [diff] [blame] | 192 | |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 193 | // Initialize the Flow Entry ID generator |
| 194 | nextFlowEntryIdPrefix = randomGenerator.nextInt(); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 195 | |
| 196 | // |
| 197 | // The thread to write to the database |
| 198 | // |
| 199 | flowDatabaseWriter = new FlowDatabaseWriter(this, |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 200 | flowPathsToDatabaseQueue); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 201 | flowDatabaseWriter.start(); |
| 202 | |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 203 | // |
Pavlin Radoslavov | c9da532 | 2013-11-22 11:59:46 -0800 | [diff] [blame] | 204 | // The Flow Event Handler thread: |
| 205 | // - create |
| 206 | // - register with the Datagrid Service |
| 207 | // - startup |
Pavlin Radoslavov | 6b79f2b | 2013-10-26 21:31:10 -0700 | [diff] [blame] | 208 | // |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 209 | flowEventHandler = new FlowEventHandler(this, datagridService); |
| 210 | datagridService.registerFlowEventHandlerService(flowEventHandler); |
Pavlin Radoslavov | 9a85902 | 2013-10-30 10:08:24 -0700 | [diff] [blame] | 211 | flowEventHandler.start(); |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Add a flow. |
| 216 | * |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 217 | * @param flowPath the Flow Path to install. |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 218 | * @return the Flow ID on success, otherwise null. |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 219 | */ |
| 220 | @Override |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 221 | public FlowId addFlow(FlowPath flowPath) { |
| 222 | |
| 223 | // Allocate the Flow ID if necessary |
Pavlin Radoslavov | 892dd18 | 2013-12-05 23:33:15 -0800 | [diff] [blame] | 224 | if (! flowPath.isValidFlowId()) { |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 225 | long id = getNextFlowEntryId(); |
| 226 | flowPath.setFlowId(new FlowId(id)); |
| 227 | } |
| 228 | |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 229 | // |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 230 | // NOTE: We need to explicitly initialize some of the state, |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 231 | // in case the application didn't do it. |
| 232 | // |
| 233 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 234 | if (flowEntry.flowEntrySwitchState() == |
| 235 | FlowEntrySwitchState.FE_SWITCH_UNKNOWN) { |
| 236 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED); |
| 237 | } |
Pavlin Radoslavov | 1c24f22 | 2013-10-30 13:56:46 -0700 | [diff] [blame] | 238 | if (! flowEntry.isValidFlowId()) |
| 239 | flowEntry.setFlowId(new FlowId(flowPath.flowId().value())); |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 240 | } |
| 241 | |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 242 | if (FlowDatabaseOperation.addFlow(dbHandlerApi, flowPath)) { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 243 | datagridService.notificationSendFlowAdded(flowPath); |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 244 | return flowPath.flowId(); |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 245 | } |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 246 | return null; |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | /** |
Pavlin Radoslavov | baea924 | 2013-05-08 00:20:09 +0000 | [diff] [blame] | 250 | * Delete all previously added flows. |
| 251 | * |
| 252 | * @return true on success, otherwise false. |
| 253 | */ |
| 254 | @Override |
| 255 | public boolean deleteAllFlows() { |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 256 | if (FlowDatabaseOperation.deleteAllFlows(dbHandlerApi)) { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 257 | datagridService.notificationSendAllFlowsRemoved(); |
| 258 | return true; |
| 259 | } |
| 260 | return false; |
Pavlin Radoslavov | baea924 | 2013-05-08 00:20:09 +0000 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | /** |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 264 | * Delete a previously added flow. |
| 265 | * |
| 266 | * @param flowId the Flow ID of the flow to delete. |
| 267 | * @return true on success, otherwise false. |
| 268 | */ |
| 269 | @Override |
| 270 | public boolean deleteFlow(FlowId flowId) { |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 271 | if (FlowDatabaseOperation.deleteFlow(dbHandlerApi, flowId)) { |
Pavlin Radoslavov | 1308dc6 | 2013-10-25 15:54:31 -0700 | [diff] [blame] | 272 | datagridService.notificationSendFlowRemoved(flowId); |
| 273 | return true; |
| 274 | } |
| 275 | return false; |
Pavlin Radoslavov | 916832f | 2013-03-14 17:48:41 -0700 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | /** |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 279 | * Get a previously added flow. |
| 280 | * |
| 281 | * @param flowId the Flow ID of the flow to get. |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 282 | * @return the Flow Path if found, otherwise null. |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 283 | */ |
| 284 | @Override |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 285 | public FlowPath getFlow(FlowId flowId) { |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 286 | return FlowDatabaseOperation.getFlow(dbHandlerApi, flowId); |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 287 | } |
Pavlin Radoslavov | b6f5354 | 2013-03-01 16:02:14 -0800 | [diff] [blame] | 288 | |
Pavlin Radoslavov | 661c86f | 2013-10-21 12:40:40 -0700 | [diff] [blame] | 289 | /** |
| 290 | * Get all installed flows by all installers. |
| 291 | * |
| 292 | * @return the Flow Paths if found, otherwise null. |
| 293 | */ |
| 294 | @Override |
| 295 | public ArrayList<FlowPath> getAllFlows() { |
Pavlin Radoslavov | bc96ae1 | 2013-11-05 08:44:02 -0800 | [diff] [blame] | 296 | return FlowDatabaseOperation.getAllFlows(dbHandlerApi); |
Pavlin Radoslavov | 706df05 | 2013-03-06 10:49:07 -0800 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | /** |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 300 | * Get summary of all installed flows by all installers in a given range. |
Umesh Krishnaswamy | 57a32a9 | 2013-03-21 14:21:15 -0700 | [diff] [blame] | 301 | * |
admin | 944ef4f | 2013-10-08 17:48:37 -0700 | [diff] [blame] | 302 | * @param flowId the Flow ID of the first flow in the flow range to get. |
HIGUCHI Yuta | eb567aa | 2013-10-08 19:27:35 -0700 | [diff] [blame] | 303 | * @param maxFlows the maximum number of flows to be returned. |
Umesh Krishnaswamy | 57a32a9 | 2013-03-21 14:21:15 -0700 | [diff] [blame] | 304 | * @return the Flow Paths if found, otherwise null. |
| 305 | */ |
| 306 | @Override |
Pavlin Radoslavov | 4ef6ba2 | 2013-11-22 19:32:58 -0800 | [diff] [blame] | 307 | public ArrayList<FlowPath> getAllFlowsSummary(FlowId flowId, |
| 308 | int maxFlows) { |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 309 | ArrayList<FlowPath> flowPaths = new ArrayList<FlowPath>(); |
| 310 | SortedMap<Long, FlowPath> sortedFlowPaths = |
| 311 | flowEventHandler.getAllFlowPathsCopy(); |
Pavlin Radoslavov | e79c19a | 2013-12-06 09:28:15 -0800 | [diff] [blame] | 312 | |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 313 | // |
Pavlin Radoslavov | e79c19a | 2013-12-06 09:28:15 -0800 | [diff] [blame] | 314 | // Truncate each Flow Path and Flow Entry |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 315 | // |
| 316 | for (FlowPath flowPath : sortedFlowPaths.values()) { |
| 317 | // |
| 318 | // TODO: Add only the Flow Paths that have been successfully |
| 319 | // installed. |
| 320 | // |
Pavlin Radoslavov | e79c19a | 2013-12-06 09:28:15 -0800 | [diff] [blame] | 321 | flowPath.setFlowEntryMatch(null); |
| 322 | flowPath.setFlowEntryActions(null); |
| 323 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 324 | flowEntry.setFlowEntryMatch(null); |
| 325 | flowEntry.setFlowEntryActions(null); |
| 326 | } |
Pavlin Radoslavov | 5321980 | 2013-12-06 11:02:04 -0800 | [diff] [blame] | 327 | flowPaths.add(flowPath); |
Pavlin Radoslavov | e79c19a | 2013-12-06 09:28:15 -0800 | [diff] [blame] | 328 | } |
| 329 | |
Pavlin Radoslavov | e79c19a | 2013-12-06 09:28:15 -0800 | [diff] [blame] | 330 | return flowPaths; |
Umesh Krishnaswamy | 57a32a9 | 2013-03-21 14:21:15 -0700 | [diff] [blame] | 331 | } |
Pavlin Radoslavov | b9fe6b4 | 2013-03-27 16:25:05 -0700 | [diff] [blame] | 332 | |
| 333 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 334 | * Get the collection of my switches. |
| 335 | * |
| 336 | * @return the collection of my switches. |
| 337 | */ |
| 338 | public Map<Long, IOFSwitch> getMySwitches() { |
| 339 | return floodlightProvider.getSwitches(); |
| 340 | } |
| 341 | |
| 342 | /** |
Pavlin Radoslavov | ed0f4a8 | 2013-11-04 16:38:36 -0800 | [diff] [blame] | 343 | * Get the network topology. |
| 344 | * |
| 345 | * @return the network topology. |
| 346 | */ |
| 347 | public Topology getTopology() { |
| 348 | return flowEventHandler.getTopology(); |
| 349 | } |
| 350 | |
| 351 | /** |
Pavlin Radoslavov | 4df85ae | 2013-11-26 14:48:32 -0800 | [diff] [blame] | 352 | * Inform the Flow Manager that a Flow Entry on switch expired. |
| 353 | * |
Pavlin Radoslavov | 3bd5ccf | 2013-11-26 15:10:21 -0800 | [diff] [blame] | 354 | * @param sw the switch the Flow Entry expired on. |
Pavlin Radoslavov | 4df85ae | 2013-11-26 14:48:32 -0800 | [diff] [blame] | 355 | * @param flowEntryId the Flow Entry ID of the expired Flow Entry. |
| 356 | */ |
Brian O'Connor | 4f0b60c | 2013-11-26 15:00:04 -0800 | [diff] [blame] | 357 | public void flowEntryOnSwitchExpired(IOFSwitch sw, FlowEntryId flowEntryId) { |
Pavlin Radoslavov | 4df85ae | 2013-11-26 14:48:32 -0800 | [diff] [blame] | 358 | // TODO: Not implemented yet |
| 359 | } |
| 360 | |
| 361 | /** |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 362 | * Inform the Flow Manager that a collection of Flow Entries have been |
| 363 | * pushed to a switch. |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 364 | * |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 365 | * @param entries the collection of <IOFSwitch, FlowEntry> pairs |
| 366 | * that have been pushed. |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 367 | */ |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 368 | public void flowEntriesPushedToSwitch( |
| 369 | Collection<Pair<IOFSwitch, FlowEntry>> entries) { |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 370 | |
| 371 | // |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 372 | // Process all entries |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 373 | // |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 374 | for (Pair<IOFSwitch, FlowEntry> entry : entries) { |
Pavlin Radoslavov | 4535bc1 | 2013-12-05 10:43:49 -0800 | [diff] [blame] | 375 | IOFSwitch sw = entry.first; |
| 376 | FlowEntry flowEntry = entry.second; |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 377 | |
| 378 | // |
| 379 | // Mark the Flow Entry that it has been pushed to the switch |
| 380 | // |
| 381 | flowEntry.setFlowEntrySwitchState(FlowEntrySwitchState.FE_SWITCH_UPDATED); |
| 382 | |
| 383 | // |
| 384 | // Write the Flow Entry to the Datagrid |
| 385 | // |
| 386 | switch (flowEntry.flowEntryUserState()) { |
| 387 | case FE_USER_ADD: |
| 388 | datagridService.notificationSendFlowEntryAdded(flowEntry); |
| 389 | break; |
| 390 | case FE_USER_MODIFY: |
| 391 | datagridService.notificationSendFlowEntryUpdated(flowEntry); |
| 392 | break; |
| 393 | case FE_USER_DELETE: |
| 394 | datagridService.notificationSendFlowEntryRemoved(flowEntry.flowEntryId()); |
| 395 | break; |
| 396 | } |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 397 | } |
| 398 | } |
| 399 | |
| 400 | /** |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 401 | * Push modified Flow-related state as appropriate. |
| 402 | * |
| 403 | * @param modifiedFlowPaths the collection of modified Flow Paths. |
| 404 | * @param modifiedFlowEntries the collection of modified Flow Entries. |
| 405 | */ |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 406 | void pushModifiedFlowState(Collection<FlowPath> modifiedFlowPaths, |
| 407 | Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 408 | // |
| 409 | // Push the modified Flow state: |
| 410 | // - Flow Entries to switches and the datagrid |
| 411 | // - Flow Paths to the database |
| 412 | // |
| 413 | pushModifiedFlowEntriesToSwitches(modifiedFlowEntries); |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 414 | pushModifiedFlowPathsToDatabase(modifiedFlowPaths); |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 415 | cleanupDeletedFlowEntriesFromDatagrid(modifiedFlowEntries); |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | /** |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 419 | * Push modified Flow Entries to switches. |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 420 | * |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 421 | * NOTE: Only the Flow Entries to switches controlled by this instance |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 422 | * are pushed. |
| 423 | * |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 424 | * @param modifiedFlowEntries the collection of modified Flow Entries. |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 425 | */ |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 426 | private void pushModifiedFlowEntriesToSwitches( |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 427 | Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 428 | if (modifiedFlowEntries.isEmpty()) |
| 429 | return; |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 430 | |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 431 | List<Pair<IOFSwitch, FlowEntry>> entries = |
| 432 | new LinkedList<Pair<IOFSwitch, FlowEntry>>(); |
| 433 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 434 | Map<Long, IOFSwitch> mySwitches = getMySwitches(); |
| 435 | |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 436 | // |
| 437 | // Create a collection of my Flow Entries to push |
| 438 | // |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 439 | for (FlowEntry flowEntry : modifiedFlowEntries) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 440 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 441 | if (mySwitch == null) |
| 442 | continue; |
| 443 | |
Pavlin Radoslavov | aca49d1 | 2013-12-04 19:49:17 -0800 | [diff] [blame] | 444 | // |
| 445 | // Assign Flow Entry IDs if missing. |
| 446 | // |
| 447 | // NOTE: This is an additional safeguard, in case the |
| 448 | // mySwitches set has changed (after the Flow Entry IDs |
| 449 | // assignments by the caller). |
| 450 | // |
| 451 | if (! flowEntry.isValidFlowEntryId()) { |
| 452 | long id = getNextFlowEntryId(); |
| 453 | flowEntry.setFlowEntryId(new FlowEntryId(id)); |
| 454 | } |
| 455 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 456 | log.debug("Pushing Flow Entry To Switch: {}", flowEntry.toString()); |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 457 | entries.add(new Pair<IOFSwitch, FlowEntry>(mySwitch, flowEntry)); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 458 | } |
Pavlin Radoslavov | ab3f886 | 2013-12-04 18:35:53 -0800 | [diff] [blame] | 459 | |
| 460 | pusher.pushFlowEntries(entries); |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 461 | } |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 462 | |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 463 | /** |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 464 | * Cleanup deleted Flow Entries from the datagrid. |
| 465 | * |
| 466 | * NOTE: We cleanup only the Flow Entries that are not for our switches. |
| 467 | * This is needed to handle the case a switch going down: |
| 468 | * It has no Master controller instance, hence no controller instance |
| 469 | * will cleanup its flow entries. |
| 470 | * This is sub-optimal: we need to elect a controller instance to handle |
| 471 | * the cleanup of such orphaned flow entries. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 472 | * |
| 473 | * @param modifiedFlowEntries the collection of modified Flow Entries. |
| 474 | */ |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 475 | private void cleanupDeletedFlowEntriesFromDatagrid( |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 476 | Collection<FlowEntry> modifiedFlowEntries) { |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 477 | if (modifiedFlowEntries.isEmpty()) |
| 478 | return; |
| 479 | |
| 480 | Map<Long, IOFSwitch> mySwitches = getMySwitches(); |
| 481 | |
Pavlin Radoslavov | afc4aa9 | 2013-12-04 12:44:23 -0800 | [diff] [blame] | 482 | for (FlowEntry flowEntry : modifiedFlowEntries) { |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 483 | // |
| 484 | // Process only Flow Entries that should be deleted and have |
| 485 | // a valid Flow Entry ID. |
| 486 | // |
Pavlin Radoslavov | 426a853 | 2013-12-02 17:32:21 -0800 | [diff] [blame] | 487 | if (! flowEntry.isValidFlowEntryId()) |
| 488 | continue; |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 489 | if (flowEntry.flowEntryUserState() != |
| 490 | FlowEntryUserState.FE_USER_DELETE) { |
| 491 | continue; |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 492 | } |
| 493 | |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 494 | // |
| 495 | // NOTE: The deletion of Flow Entries for my switches is handled |
| 496 | // elsewhere. |
| 497 | // |
| 498 | IOFSwitch mySwitch = mySwitches.get(flowEntry.dpid().value()); |
| 499 | if (mySwitch != null) |
| 500 | continue; |
| 501 | |
| 502 | log.debug("Pushing cleanup of Flow Entry To Datagrid: {}", flowEntry.toString()); |
| 503 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 504 | // |
| 505 | // Write the Flow Entry to the Datagrid |
| 506 | // |
Pavlin Radoslavov | da0ab44 | 2013-12-04 14:08:58 -0800 | [diff] [blame] | 507 | datagridService.notificationSendFlowEntryRemoved(flowEntry.flowEntryId()); |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 508 | } |
| 509 | } |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 510 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 511 | /** |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 512 | * Class to implement writing to the database in a separate thread. |
| 513 | */ |
| 514 | class FlowDatabaseWriter extends Thread { |
| 515 | private FlowManager flowManager; |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 516 | private BlockingQueue<FlowPath> blockingQueue; |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 517 | |
| 518 | /** |
| 519 | * Constructor. |
| 520 | * |
| 521 | * @param flowManager the Flow Manager to use. |
| 522 | * @param blockingQueue the blocking queue to use. |
| 523 | */ |
| 524 | FlowDatabaseWriter(FlowManager flowManager, |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 525 | BlockingQueue<FlowPath> blockingQueue) { |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 526 | this.flowManager = flowManager; |
| 527 | this.blockingQueue = blockingQueue; |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * Run the thread. |
| 532 | */ |
| 533 | @Override |
| 534 | public void run() { |
| 535 | // |
| 536 | // The main loop |
| 537 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 538 | Collection<FlowPath> collection = new LinkedList<FlowPath>(); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 539 | try { |
| 540 | while (true) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 541 | FlowPath flowPath = blockingQueue.take(); |
| 542 | collection.add(flowPath); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 543 | blockingQueue.drainTo(collection); |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 544 | flowManager.writeModifiedFlowPathsToDatabase(collection); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 545 | collection.clear(); |
| 546 | } |
| 547 | } catch (Exception exception) { |
| 548 | log.debug("Exception writing to the Database: ", exception); |
| 549 | } |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | /** |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 554 | * Push Flow Paths to the Network MAP. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 555 | * |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 556 | * NOTE: The complete Flow Paths are pushed only on the instance |
| 557 | * responsible for the first switch. This is to avoid database errors |
| 558 | * when multiple instances are writing Flow Entries for the same Flow Path. |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 559 | * |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 560 | * @param modifiedFlowPaths the collection of Flow Paths to push. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 561 | */ |
Pavlin Radoslavov | a0c1636 | 2013-12-04 13:18:08 -0800 | [diff] [blame] | 562 | private void pushModifiedFlowPathsToDatabase( |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 563 | Collection<FlowPath> modifiedFlowPaths) { |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 564 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 565 | // We only add the Flow Paths to the Database Queue. |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 566 | // The FlowDatabaseWriter thread is responsible for the actual writing. |
| 567 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 568 | flowPathsToDatabaseQueue.addAll(modifiedFlowPaths); |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | /** |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 572 | * Write Flow Paths to the Network MAP. |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 573 | * |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 574 | * NOTE: The complete Flow Paths are pushed only on the instance |
| 575 | * responsible for the first switch. This is to avoid database errors |
| 576 | * when multiple instances are writing Flow Entries for the same Flow Path. |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 577 | * |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 578 | * @param modifiedFlowPaths the collection of Flow Paths to write. |
Pavlin Radoslavov | 584bd11 | 2013-11-21 20:59:33 -0800 | [diff] [blame] | 579 | */ |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 580 | private void writeModifiedFlowPathsToDatabase( |
| 581 | Collection<FlowPath> modifiedFlowPaths) { |
| 582 | if (modifiedFlowPaths.isEmpty()) |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 583 | return; |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 584 | |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 585 | Map<Long, IOFSwitch> mySwitches = getMySwitches(); |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 586 | |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 587 | for (FlowPath flowPath : modifiedFlowPaths) { |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 588 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 589 | // Push the changes only on the instance responsible for the |
| 590 | // first switch. |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 591 | // |
Pavlin Radoslavov | 6311717 | 2013-11-07 02:18:37 -0800 | [diff] [blame] | 592 | Dpid srcDpid = flowPath.dataPath().srcPort().dpid(); |
| 593 | IOFSwitch mySrcSwitch = mySwitches.get(srcDpid.value()); |
| 594 | if (mySrcSwitch == null) |
| 595 | continue; |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 596 | |
| 597 | // |
Pavlin Radoslavov | ef54505 | 2013-12-05 15:17:25 -0800 | [diff] [blame] | 598 | // Delete the Flow Path from the Network Map |
| 599 | // |
| 600 | if (flowPath.flowPathUserState() == |
| 601 | FlowPathUserState.FP_USER_DELETE) { |
| 602 | log.debug("Deleting Flow Path From Database: {}", |
| 603 | flowPath.toString()); |
| 604 | |
| 605 | try { |
| 606 | if (! FlowDatabaseOperation.deleteFlow( |
| 607 | dbHandlerInner, |
| 608 | flowPath.flowId())) { |
| 609 | log.error("Cannot delete Flow Path {} from Network Map", |
| 610 | flowPath.flowId()); |
| 611 | } |
| 612 | } catch (Exception e) { |
| 613 | log.error("Exception deleting Flow Path from Network MAP: {}", e); |
| 614 | } |
| 615 | continue; |
| 616 | } |
| 617 | |
| 618 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 619 | // Test whether all Flow Entries are valid |
Pavlin Radoslavov | 9f33edb | 2013-11-06 18:24:37 -0800 | [diff] [blame] | 620 | // |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 621 | boolean allValid = true; |
| 622 | for (FlowEntry flowEntry : flowPath.flowEntries()) { |
| 623 | if (flowEntry.flowEntryUserState() == |
| 624 | FlowEntryUserState.FE_USER_DELETE) { |
| 625 | continue; |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 626 | } |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 627 | if (! flowEntry.isValidFlowEntryId()) { |
| 628 | allValid = false; |
| 629 | break; |
| 630 | } |
| 631 | } |
| 632 | if (! allValid) |
| 633 | continue; |
| 634 | |
| 635 | log.debug("Pushing Flow Path To Database: {}", flowPath.toString()); |
| 636 | |
| 637 | // |
| 638 | // Write the Flow Path to the Network Map |
| 639 | // |
| 640 | try { |
Pavlin Radoslavov | 051abb4 | 2013-12-05 17:24:50 -0800 | [diff] [blame] | 641 | if (! FlowDatabaseOperation.addFlow(dbHandlerInner, flowPath)) { |
Pavlin Radoslavov | 2fca8d1 | 2013-12-04 09:39:06 -0800 | [diff] [blame] | 642 | String logMsg = "Cannot write to Network Map Flow Path " + |
| 643 | flowPath.flowId(); |
| 644 | log.error(logMsg); |
| 645 | } |
| 646 | } catch (Exception e) { |
| 647 | log.error("Exception writing Flow Path to Network MAP: ", e); |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 648 | } |
| 649 | } |
Pavlin Radoslavov | ebc8b19 | 2013-10-29 15:35:35 -0700 | [diff] [blame] | 650 | } |
Pavlin Radoslavov | 9e5344c | 2013-02-18 09:58:30 -0800 | [diff] [blame] | 651 | } |